CN111203369B - Coherent waterproof zipper glue scraping film machine and preparation method of waterproof zipper - Google Patents
Coherent waterproof zipper glue scraping film machine and preparation method of waterproof zipper Download PDFInfo
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- CN111203369B CN111203369B CN202010018769.1A CN202010018769A CN111203369B CN 111203369 B CN111203369 B CN 111203369B CN 202010018769 A CN202010018769 A CN 202010018769A CN 111203369 B CN111203369 B CN 111203369B
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- waterproof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/06—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying two different liquids or other fluent materials, or the same liquid or other fluent material twice, to the same side of the work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C13/00—Means for manipulating or holding work, e.g. for separate articles
- B05C13/02—Means for manipulating or holding work, e.g. for separate articles for particular articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
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Abstract
The invention discloses a coherent waterproof zipper glue scraping film machine and a preparation method of a waterproof zipper, wherein the zipper glue scraping film machine comprises a case, a zipper guide frame for inputting zipper base materials is arranged on the left side of the case, and a control electronic box is arranged at the upper end of the right side wall of the case; the right end of the front surface of the case is provided with a traction mechanism, a hot melt adhesive coating mechanism, a heating assembly and a waterproof adhesive coating mechanism are sequentially arranged between the chain guide frame and the traction mechanism along the conveying direction of the zipper base material, the hot melt adhesive coating mechanism is used for coating a layer of hot melt adhesive liquid on the surface of the zipper base material, and the waterproof adhesive coating mechanism is used for coating a layer of waterproof adhesive liquid on the hot melt adhesive liquid; according to the invention, the glue solution layers are sequentially coated on the surface of the zipper base material directly through the hot melt glue coating mechanism and the waterproof glue coating mechanism, so that the hot melt glue layer and the waterproof glue layer are combined to form the waterproof film structure, a waterproof film is not required to be adhered to the surface of the zipper base material, the processing is simple, the production efficiency of the waterproof zipper is improved, and the production cost is reduced.
Description
Technical Field
The invention relates to the field of zipper processing, in particular to a coherent waterproof zipper glue scraping film machine and a preparation method of a waterproof zipper.
Background
The waterproof zipper, as a novel zipper introduced in recent years, gradually becomes an essential article in life, and is particularly applied to outdoor clothing or bags and the like in a large scale. In the prior art, a common manufacturing method of a general waterproof zipper is as follows: and compounding the waterproof layer with the high melting point and the thermoplastic resin with the low melting point to obtain a composite film, and adhering the composite film to the zipper tape. The zipper manufactured by the method has poor adhesion between the functional layer and the zipper tape, and after the zipper is used for a period of time, the thermoplastic resin layer can partially or even completely fall off, so that the original function is lost, and the appearance of the zipper is influenced. Meanwhile, the manufacturing method of the waterproof zipper needs to be firstly processed into the composite film with waterproof performance and then the composite film is adhered to the zipper, so that the processing procedure is complicated, the production efficiency is reduced, and the production cost is increased.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the related art. Therefore, the invention provides the coherent waterproof zipper glue scraping film machine and the preparation method of the waterproof zipper, which can improve the adhesive force between the waterproof functional layer and the zipper base material, prolong the service life of the waterproof zipper, improve the production efficiency and reduce the production cost.
The coherent waterproof zipper glue scraping film machine comprises a machine case, wherein a chain guide frame for inputting zipper base materials is arranged on the left side of the machine case, and a control electric box is arranged at the upper end of the right side wall of the machine case; the traction mechanism is arranged at the right end of the front surface of the case and provides power for conveying the zipper base materials; the hot melt adhesive coating mechanism is arranged between the chain guide frame and the traction mechanism along the conveying direction of the zipper base material; the waterproof adhesive coating mechanism is arranged between the hot melt adhesive coating mechanism and the traction mechanism along the conveying direction of the zipper base material; and the heating assembly is arranged between the hot melt adhesive coating mechanism and the waterproof adhesive coating mechanism along the conveying direction of the zipper base material.
According to the embodiment of the invention, the coherent waterproof zipper glue scraping film machine at least has the following technical effects: the hot melt adhesive coating mechanism coats the hot melt adhesive liquid on the surface of the zipper base material, and then the waterproof adhesive liquid is coated on the zipper base material coated with the molten hot melt adhesive liquid through the waterproof adhesive coating mechanism, so that the hot melt adhesive layer and the waterproof adhesive layer are combined to form a waterproof membrane structure, the processing technology is simple, the production efficiency of the waterproof zipper is improved, and the production cost is reduced. According to the embodiment of the invention, a high-melting-point waterproof layer and a low-melting-point thermoplastic resin are not required to be compounded together in advance to obtain a composite film, then the composite film is adhered to the zipper substrate, corresponding raw materials can be selected to be respectively put into the hot melt adhesive coating mechanism and the waterproof adhesive coating mechanism for preparation according to the type of the hot melt adhesive and the waterproof adhesive which are actually required, the hot melt adhesive and the waterproof adhesive are sequentially coated on the surface of the zipper substrate in a molten adhesive solution mode to form the waterproof zipper, the molten hot melt adhesive can permeate into the inner pores of the zipper substrate, the bonding property of the hot melt adhesive layer and the zipper substrate is improved, the adhesive force between the waterproof film structure and the zipper substrate is further improved, the waterproof effect is better, and the service life of the waterproof zipper is prolonged; meanwhile, before the zipper base material coated with the hot melt adhesive is conveyed to a waterproof adhesive coating mechanism to be coated with the waterproof adhesive, the zipper base material is heated by the heating assembly, so that the hot melt adhesive coated on the surface of the zipper base material is kept at a better temperature, and the waterproof adhesive can be uniformly coated on the hot melt adhesive to form a smooth waterproof membrane structure.
According to some embodiments of the invention, the hot melt adhesive coating mechanism and the waterproof adhesive coating mechanism comprise an adhesive supply assembly for supplying adhesive liquid and an adhesive coating die head for coating the adhesive liquid on the surface of the zipper substrate.
According to some embodiments of the invention, the glue supply assembly comprises a barrel and an extrusion screw arranged in the barrel for conveying the glue solution, wherein one end of the barrel is connected with a feeding hopper, and the other end of the barrel is provided with the gluing die head.
According to some embodiments of the present invention, the front surface of the housing is provided with two limiting assemblies, each of the limiting assemblies comprises a first air cylinder arranged on the housing, a piston rod of the first air cylinder is rotatably connected with a first roller, the first roller is arranged right below the gluing die head, and the first roller is driven by the first air cylinder to approach or depart from the gluing die head.
According to some embodiments of the invention, a support roller is arranged right below each gluing die head, the support roller is arranged on the front surface of the chassis, a glue scraping assembly is arranged on the right side of each support roller, the glue scraping assembly comprises a second air cylinder arranged on the front surface of the chassis, a piston rod of the second air cylinder is connected with a glue scraping piece, and the glue scraping piece is driven by the second air cylinder to move in the up-and-down direction.
According to some embodiments of the present invention, an embossing assembly is disposed between the waterproof adhesive coating mechanism and the traction mechanism, the embossing assembly includes an embossing driving roller and an embossing driven roller which are disposed in parallel with each other, the embossing driving roller is connected to a front surface of the cabinet, and the embossing driven roller is connected to a third air cylinder for adjusting a gap between the embossing driven roller and the embossing driving roller.
According to some embodiments of the invention, an adhesive tape holder for unwinding the PE film is disposed at the upper end of the chassis, the traction mechanism includes a third driving roller and a third driven roller which are disposed in parallel, and a gap for pressing the PE film on the surface of the zipper substrate is disposed between the third driving roller and the third driven roller.
A method of manufacturing a waterproof slide fastener according to an embodiment of the second aspect of the invention includes the steps of: step A: preparing a zipper base material, and enabling one end of the zipper base material to sequentially penetrate through a zipper guide frame, a heating assembly and a traction mechanism, wherein the traction mechanism provides power for conveying the zipper base material; and B: selecting corresponding raw materials to be put into a hot melt adhesive coating mechanism for preparation according to the type of the required hot melt adhesive; selecting corresponding raw materials to be put into a waterproof adhesive coating mechanism for preparation according to the type of the required waterproof adhesive; and C: the hot melt adhesive coating mechanism, the heating assembly, the waterproof adhesive coating mechanism and the traction mechanism are controlled to work by the control electric cabinet, firstly, hot melt adhesive liquid is coated on the surface of the zipper substrate through the hot melt adhesive coating mechanism, then, heat is preserved through the heating assembly, and then, waterproof adhesive liquid is coated on the hot melt adhesive liquid through the waterproof adhesive coating mechanism, so that the hot melt adhesive layer and the waterproof adhesive layer are combined to form a waterproof membrane structure; step D: the waterproof membrane structure is cut along the midline of the zipper engaging teeth so that the zipper slider can slide over the zipper to open and close the zipper.
The preparation method of the waterproof zipper provided by the embodiment of the invention at least has the following technical effects: one end of the zipper base material sequentially passes through the zipper guide frame, the heating assembly and the traction mechanism; in the process of producing the waterproof zipper, the zipper base material is continuously conveyed under the action of the traction mechanism, firstly, a layer of hot melt adhesive liquid is coated on the surface of the zipper base material through the hot melt adhesive coating mechanism, then, the hot melt adhesive liquid is kept at a better temperature through the heating assembly, so that when the zipper base material coated with the hot melt adhesive liquid passes through the position below the waterproof adhesive coating mechanism, the waterproof adhesive coating mechanism uniformly coats a layer of waterproof adhesive liquid on the hot melt adhesive liquid to construct a flat waterproof membrane structure. Thereby make hot melt adhesive layer and waterproof adhesive layer combine to constitute waterproof membrane structure, processing technology is simple, has improved waterproof zipper's production efficiency, has reduced manufacturing cost. The preparation method does not need to compound a waterproof layer with a high melting point and a thermoplastic resin with a low melting point together in advance to obtain a composite film, then the composite film is adhered on the zipper substrate, corresponding raw materials can be selected to be respectively put into the hot melt adhesive coating mechanism and the waterproof adhesive coating mechanism for preparation according to the type of the hot melt adhesive and the waterproof adhesive which are actually required, the applicability is wider, the hot melt adhesive and the waterproof adhesive are sequentially coated on the surface of the zipper substrate in a molten adhesive solution mode to form the waterproof zipper, the molten hot melt adhesive can permeate into the inner pores of the zipper substrate, the bonding property of the hot melt adhesive layer and the zipper substrate is improved, meanwhile, the heating component is used for heating, the cooling and solidifying speed of the hot melt adhesive is slowed down, the hot melt adhesive can completely permeate into the inner pores of the zipper substrate, the bonding property of the hot melt adhesive layer and the zipper substrate is improved, and the adhesive force between the waterproof film structure and the zipper substrate is further improved, the waterproof effect is better, and has prolonged waterproof zip fastener's life.
According to some embodiments of the invention, in the step C, an embossing assembly is arranged between the waterproof adhesive coating mechanism and the traction mechanism along the conveying direction of the zipper substrate, the embossing assembly comprises an embossing driving roller and an embossing driven roller which are arranged in parallel, and the embossing driving roller and the embossing driven roller cooperate to press and form lines on the waterproof film structure coated on the zipper substrate while conveying the zipper substrate.
According to some embodiments of the present invention, in the step C, before preparation, the PE film is placed on a tape dispenser, and one end of the PE film is drawn to the feeding end of the drawing mechanism to be attached to the upper surface of the zipper base material. During preparation, the zipper base material coated with the waterproof membrane structure after embossing treatment is conveyed to a feeding end of the traction mechanism, and the PE membrane is attached to the surface of the waterproof membrane structure and adhered to the surface of the waterproof membrane structure under the pressing effect of the traction mechanism.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic front view of an embodiment of the present invention;
FIG. 2 is a schematic top view of an embodiment of the present invention;
FIG. 3 is a schematic perspective view of an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of the structure at B in FIG. 3;
FIG. 5 is a schematic structural view of a hot melt adhesive coating mechanism or a waterproof adhesive coating mechanism in an embodiment of the present invention;
FIG. 6 is a schematic diagram of a construction of a gluing die in an embodiment of the invention;
FIG. 7 is an enlarged schematic view of the structure at A in FIG. 6;
FIG. 8 is a schematic structural view of a traction mechanism in an embodiment of the present invention;
FIG. 9 is a front view of another embodiment of the present invention;
FIG. 10 is a schematic perspective view of FIG. 9;
fig. 11 is an enlarged schematic view of the structure at C in fig. 10.
Reference numerals:
100-cabinet, 110-first box, 120-second box, 130-chain guide frame, 140-first cylinder, 150-first roller, 160-supporting roller, 170-second cylinder, 180-rubber scraping piece, 190-second roller;
200-control electric box;
300-a traction mechanism, 310-a third driving roller, 320-a third driven roller, 330-a fourth air cylinder, 340-a first tension wheel, 360-a second connecting frame, 370-a vertical plate, 380-a third connecting frame and 390-a fourth pinch roller;
400-a hot melt adhesive coating mechanism;
500-waterproof glue coating mechanism, 510-glue supply component, 511-material cylinder, 512-feeding hopper, 520-upper die body, 521-upper die lip, 530-lower die body, 531-buffer groove, 532-lower die lip, 540-glue outlet gap, 541-first positioning surface, 542-second positioning surface, 543-arc convex surface, 550-heating hole, 551-metal heating rod, 560-slide seat, 570-linear guide rail, 580-glue coating die head and 590-driving motor;
610-heating box, 620-U-shaped heating pipe;
700-embossing assembly, 710-embossing drive roller, 720-embossing driven roller, 730-third cylinder;
800-air gun;
900-adhesive tape dispenser.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to the orientation description, such as "upper", "lower", "front", "rear", "left", "right", etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, if there are descriptions of "first", "second", "third", "fourth", etc. for the purpose of distinguishing technical features, they are not to be interpreted as indicating or implying relative importance or implying number of indicated technical features or implying precedence of indicated technical features.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 to 5, a coherent waterproof zipper glue spreading film machine according to an embodiment of the present invention includes a case 100, a zipper guide 130 for inputting zipper base materials is disposed on a left side of the case 100, and a control electrical box 200 is disposed on an upper end of a right sidewall of the case 100; a traction mechanism 300 is arranged at the right end of the front surface of the case 100, and the traction mechanism 300 provides power for conveying the zipper base materials; along the conveying direction of the zipper base material, a hot melt adhesive coating mechanism 400, a heating assembly and a waterproof adhesive coating mechanism 500 are sequentially arranged between the zipper guide frame 130 and the traction mechanism 300, the hot melt adhesive coating mechanism 400 is used for coating a layer of hot melt adhesive liquid on the surface of the zipper base material, and the waterproof adhesive coating mechanism 500 is used for coating a layer of adhesive liquid with a waterproof function on the hot melt adhesive liquid; the control electric box 200 can control the hot melt adhesive coating mechanism 400, the heating assembly, the waterproof adhesive coating mechanism 500 and the traction mechanism 300 to work, and when the waterproof zipper is processed, the hot melt adhesive coating mechanism 400 and the waterproof adhesive coating mechanism 500 directly coat adhesive layers on the surface of the zipper substrate in sequence, so that the hot melt adhesive layer and the waterproof adhesive layer are combined to form a waterproof membrane structure, a waterproof membrane does not need to be adhered to the surface of the zipper substrate, the processing is simple, the production efficiency of the waterproof zipper is improved, and the production cost is reduced; the embodiment of the invention can select corresponding raw materials to be respectively put into the hot melt adhesive coating mechanism 400 and the waterproof adhesive coating mechanism 500 for preparation according to the types of the hot melt adhesive and the waterproof adhesive which are actually required, and then the raw materials are sequentially coated on the surface of the zipper base material to form the waterproof zipper, so the applicability is wider, the hot melt adhesive and the waterproof adhesive are sequentially coated on the surface of the zipper base material in a molten adhesive solution mode to form the waterproof zipper, the molten hot melt adhesive can permeate into the inner pores of the zipper base material, meanwhile, the zipper base material coated with the hot melt adhesive liquid is heated by the heating assembly, so that the cooling solidification speed of the hot melt adhesive liquid is slowed down, so that the hot melt adhesive can completely permeate into the inner pores of the zipper base material, the bonding property of the hot melt adhesive layer and the zipper base material is improved, the adhesive force between the waterproof film structure and the zipper base material is further improved, the waterproof effect is better, and the service life of the waterproof zipper is prolonged; the hot melt adhesive coated on the surface of the zipper base material can be kept at a better temperature, so that the waterproof adhesive can be uniformly coated on the hot melt adhesive to form a flat waterproof membrane structure. Specifically, the case 100 includes a first case 110 and a second case 120 horizontally disposed, the chain guide 130 and the hot melt adhesive coating mechanism 400 are both connected to the first case 110, the waterproof adhesive coating mechanism 500, the traction mechanism 300 and the control electrical box 200 are both connected to the second case 120, the four corners of the lower ends of the first case 110 and the second case 120 are respectively provided with a second roller 190, so that the hot melt adhesive coating mechanism 400 and the waterproof adhesive coating mechanism 500 can be moved by pushing the first case 110 and the second case 120, the distance between the hot melt adhesive coating mechanism 400 and the waterproof adhesive coating mechanism 500 can be adjusted, the movement adjustment is more labor-saving and convenient, and after the case is moved to a proper position, the second roller 190 is locked by a foot switch, so that the case 100 is prevented from being moved by external interference during the production process.
In some embodiments of the present invention, the heating assembly includes a heating box 610 disposed on the chassis 100, and a U-shaped heating tube 620 is disposed within the heating box 610. In the production process, the control electrical box 200 controls the U-shaped heating tube 620 in the heating box 610 to be electrified and heated, so that the zipper base material coated with the hot melt adhesive solution is heated by the U-shaped heating tube 620 before being conveyed to the waterproof adhesive coating mechanism 500 to be coated with the waterproof adhesive solution, the hot melt adhesive solution coated on the surface of the zipper base material is kept at a better temperature, and the waterproof adhesive solution can be uniformly coated on the hot melt adhesive to form a smooth waterproof membrane structure. Specifically, the heating box 610 is provided therein with a passage through which the base material of the zipper passes.
As shown in fig. 5, in some embodiments of the present invention, the hot melt adhesive applying mechanism 400 and the waterproof adhesive applying mechanism 500 each comprise an adhesive supply unit 510 for supplying an adhesive solution and an adhesive applying die 580 for applying the adhesive solution to the surface of the zipper substrate. In the coating process, the glue supply unit 510 supplies the glue solution to the coating die 580, and the coating die 580 applies a uniform coating of the glue solution to the surface of the zipper substrate.
Further, the glue supply assembly 510 includes a barrel 511 and an extrusion screw disposed in the barrel 511 for conveying the glue solution, wherein one end of the barrel 511 is connected to the feeding hopper 512, and the other end is provided with a glue coating die 580. Granular raw materials for preparing hot melt adhesive or waterproof adhesive are contained in the feeding hopper 512, the raw materials are introduced into the charging barrel 511 through a feeding port communicated with the charging barrel 511 from the bottom of the feeding hopper 512, the raw materials are heated by a heating device arranged on the outer wall of the charging barrel 511 to be changed into hot melt adhesive liquid or waterproof adhesive liquid in a molten state, the extrusion screw is driven by the driving motor 590 to rotate, the hot melt adhesive liquid or the waterproof adhesive liquid is conveyed to the gluing die head 580, and the hot melt adhesive liquid and the waterproof adhesive liquid are sequentially coated on the surface of the zipper substrate to form a waterproof film structure. Specifically, compared with the prior art, the process comprises the steps of firstly preparing the low-melting-point thermoplastic resin into a solid hot-melt adhesive film, heating the solid hot-melt adhesive film into a molten state when the waterproof zipper is produced, and then adhering the waterproof film. According to the embodiment of the invention, corresponding raw materials can be selected and put into the charging barrel 511 for heating preparation according to the type of the required hot melt adhesive or waterproof adhesive, so that the required hot melt adhesive liquid or waterproof adhesive liquid in a molten state can be generated, and then the hot melt adhesive liquid or waterproof adhesive liquid is coated on the zipper base material, so that the production process is simplified, meanwhile, the hot melt adhesive liquid and the waterproof adhesive liquid can be prepared according to the actually required amount, the waste is avoided, and the production cost can be further reduced. The color master batch can be added into raw materials for preparing the waterproof glue solution to produce the colored waterproof glue solution, so that the waterproof zipper with the colored waterproof film structure is prepared, the diversity of the waterproof zipper is realized, the selectivity of a user is increased, and the market competitiveness is further improved.
Further, a movement adjusting structure is attached to the barrel 511 so that the glue application die 580 provided at the end of the barrel 511 can move toward or away from the fastener base material. Specifically, the movable adjusting structure may include a sliding seat 560 disposed at the bottom of the barrel 511 and a linear guide 570 slidably engaged with the sliding seat 560, the sliding seat 560 is connected to an air cylinder or a hydraulic cylinder, the barrel 511 is driven by the air cylinder or the hydraulic cylinder to move back and forth relative to the linear guide 570, so that the gluing die 580 moves towards the zipper substrate and moves to a position right above the zipper substrate for glue solution coating operation, and when the gluing process is not performed, the gluing die 580 can move to one side of the zipper substrate away from the zipper substrate, so as to perform dismounting and replacement of the zipper substrate, and perform production and manufacturing of glue solution, which is more convenient to use.
As shown in fig. 6 and 7, in some embodiments of the present invention, the glue coating die 580 may include an upper die body 520 and a lower die body 530, the lower die body 530 is provided with a glue inlet and a buffer groove 531 communicating with the glue inlet, a lower die lip 532 is provided on a side of the lower die body 530 away from the glue inlet, the upper die body 520 is provided with an upper die lip 521 cooperating with the lower die lip 532, a glue outlet gap 540 communicating with the buffer groove 531 is configured between the upper die lip 521 and the lower die lip 532, an end of the lower die lip 532 is provided with a first positioning surface 541, an end of the upper die lip 521 is provided with a second positioning surface 542 and a circular arc convex surface 543 connected with the second positioning surface 542, the second positioning surface 542 and the first positioning surface 541 are located in the same plane, the circular arc convex surface 543 is provided on a side of the upper die lip 521 facing the glue outlet gap 540, and a contact surface of the glue coating die 580 and a zipper substrate is smooth and round by providing the circular arc convex surface 543 on the upper die lip 521, therefore, the phenomenon of scratches and wrinkles in the gluing process of the zipper base materials is effectively prevented, the gluing of the gluing die head 580 on the zipper base materials is more uniform, the flatness of the surface of the glued zipper base materials is further improved, the end portions of the upper die lip 521 and the lower die lip 532 are aligned more easily when the upper die body 520 and the lower die body 530 are installed through the arrangement of the first positioning surface 541 and the second positioning surface 542, and the installation accuracy of the gluing die head 580 is improved. The upper mold body 520 and the lower mold body 530 can be provided with heating holes 550, metal heating rods 551 are inserted into the heating holes 550, the metal heating rods 551 are connected with a heating circuit, the upper mold body 520 and the lower mold body 530 are heated through the metal heating rods 551, and then the hot melt adhesive in the buffer groove 531 is heated, so that the hot melt adhesive is ensured to have good fluidity.
As shown in fig. 1, 3 and 4, in some embodiments of the present invention, the front surface of the housing 100 is provided with two limiting assemblies, each of which includes a first cylinder 140 disposed on the front surface of the housing 100, a piston rod of the first cylinder 140 is rotatably connected with a first roller 150, the first roller 150 is disposed right below the gluing die 580, and the first roller 150 is driven by the first cylinder 140 to approach or depart from the gluing die 580. In the process of producing the waterproof zipper, the distance between the first roller 150 and the gluing die head 580 in the vertical direction can be adjusted by the first cylinder 140 according to the thickness of the hot melt adhesive or the waterproof adhesive required to be coated on the waterproof substrate, and the gluing die head 580 can uniformly coat the hot melt adhesive and the waterproof adhesive with the required thickness on the surface of the zipper substrate passing through the first roller 150 under the supporting action of the first roller 150. Specifically, since the length of the produced zipper base material is limited, in order to realize continuity of film pasting and reduce down time, a plurality of zipper base materials are connected into a whole by a staple, but there is a problem that the gluing precision of the gluing die 580 is damaged due to the contact of the gluing die 580 and the staples during the process of applying the hot melt glue or the waterproof glue, for this reason, a first sensor and a second sensor for detecting the staple on the zipper base material are arranged on the machine case 100, the first sensor and the second sensor are respectively arranged at the feeding ends of the hot melt glue applying mechanism 400 and the waterproof glue applying mechanism 500 along the conveying direction of the zipper base material, the first sensor and the second sensor are electrically connected with the control electric box 200, when the first sensor or the second sensor detects the staple on the zipper base material, a signal is transmitted to the control electric box 200, the control electric box 200 controls the piston rod of the corresponding first cylinder 140 to retract, the first roller 150 provided corresponding to the hot melt adhesive coating mechanism 400 or the waterproof adhesive coating mechanism 500 is made to be away from the gluing die head 580, so that the staples on the zipper substrate pass through the gap between the first roller 150 and the gluing die head 580, and it is ensured that the staples do not contact the gluing die head 580; after the portion of the zipper base material provided with the staples passes below the glue coating die head 580, the control electric box 200 controls the corresponding piston rod of the first cylinder 140 to extend out, so as to ensure that the glue coating die head 580 uniformly coats the hot melt glue or the waterproof glue on the surface of the zipper base material passing through the first roller 150 according to a certain thickness.
As shown in fig. 1 and 3, in some embodiments of the present invention, an embossing assembly 700 is disposed between the waterproof adhesive coating mechanism 500 and the traction mechanism 300, the embossing assembly 700 includes an embossing driving roller 710 and an embossing driven roller 720 disposed parallel to each other, the embossing driving roller 710 is coupled to a front surface of the cabinet 100, and the embossing driven roller 720 is coupled to a third air cylinder 730, and the third air cylinder 730 is used to adjust a gap between the embossing driven roller 720 and the embossing driving roller 710. When the waterproof zipper is produced, the distance between the embossing driven roller 720 and the embossing driving roller 710 can be adjusted through the third air cylinder 730 according to the actual thickness of the waterproof zipper, so that the zipper base material coated with the hot melt adhesive and the waterproof adhesive is pressed to form lines on the waterproof film formed by the hot melt adhesive layer and the waterproof adhesive layer under the action of the embossing driving roller 710 and the embossing driven roller 720. Before the waterproof zipper is produced, the embossing driven roller 720 can be driven away from the embossing driving wheel by the third air cylinder 730 to increase the gap between the embossing driven roller and the embossing driving wheel so as to pass the zipper base material through the gap between the embossing driven roller and the embossing driving wheel.
Further, an air gun 800 for blowing out hot air is disposed at the upper end of the front surface of the chassis 100, and an air outlet of the air gun 800 faces the feeding end of the embossing assembly 700. In the process of producing the waterproof zipper, the control electronic box 200 starts the air gun 800 to heat according to the set relevant parameters, when the temperature of the air gun 800 is heated to meet the processing requirement, the air gun switch is pressed down, so that the air outlet of the air gun 800 is close to the feeding end of the embossing assembly 700, the waterproof film structure on the zipper substrate is heated by blowing hot air, the waterproof film structure is kept in a non-solid state, and uniform grains are pressed on the waterproof film structure.
As shown in fig. 1, 3 and 8, in some embodiments of the present invention, a tape holder 900 for unwinding a PE film is disposed at an upper end of the chassis 100, the traction mechanism 300 includes a third driving roller 310 and a third driven roller 320 disposed in parallel, and a gap for pressing the PE film on a surface of the zipper substrate is disposed between the third driving roller 310 and the third driven roller 320. The third driving roller 310 and the third driven roller 320 are arranged in parallel, the third driving roller 310 is driven to rotate by a motor, so that the third driving roller 310 and the third driven roller 320 are respectively in friction fit with the upper surface and the lower surface of the zipper, and the zipper base material is driven to be conveyed along the conveying direction under the action of friction force; meanwhile, the traction mechanism 300 can also adhere the PE film which is unwound from the adhesive tape frame 900 to the zipper base material coated with the hot melt adhesive and the waterproof adhesive, the PE film can isolate the waterproof layer structure formed by combining the hot melt adhesive layer and the waterproof adhesive layer from contacting the outside, and the waterproof layer structure is prevented from being cooled and solidified, so that impurities such as dust fall on the waterproof layer structure to influence the quality of the waterproof zipper. Specifically, the third driven roller 320 is driven by the fourth air cylinder 330 to be close to or far from the third driving roller 310, and before the waterproof zipper is produced, the third driven roller 320 can be driven by the fourth air cylinder 330 to be far from the third driving roller 310, so that the gap between the third driven roller 320 and the third driving roller is enlarged, and the zipper base material can pass through the gap between the third driven roller and the third driving roller; when the waterproof zipper is produced, the third driven roller 320 can be driven to be close to the third driving roller 310 through the fourth air cylinder 330, so that the third driven roller 320 and the third driving roller 310 are respectively in friction fit with the upper surface and the lower surface of the zipper to realize a traction function, meanwhile, the distance between the third driven roller 320 and the third driving roller 310 can be adjusted through the fourth air cylinder 330 according to the actual thickness of the waterproof zipper, and the PE film is flatly adhered to the zipper base material coated with the waterproof film structure under the rotating and pressing effect of the third driven roller 320 and the third driving roller 310.
Further, in order to ensure that the PE film transferred from the tape dispenser 900 to the feeding end of the drawing mechanism 300 maintains a certain tension, so that the PE film is smoothly transferred, a first tension wheel 340 is disposed between the tape dispenser 900 and the feeding end of the drawing mechanism 300, and the surface of the PE film is attached to the outer circumferential surface of the first tension wheel 340. Specifically, as shown in fig. 7, in order to ensure the flatness of the PE film fed into the drawing mechanism 300, make the smooth adhesion of PE membrane in the surface of water proof membrane structure, be provided with second link 360 on the piston rod of fourth cylinder 330, the one end that the piston rod of fourth cylinder 330 was kept away from to second link 360 is provided with the second U-shaped mouth, third driven voller 320 rotates through the second round pin axle and connects in the second U-shaped mouth, the one end that second link 360 is close to the piston rod of fourth cylinder 330 is provided with riser 370, the upper end of riser 370 is provided with third link 380, the one end that the piston rod of fourth cylinder 330 was kept away from to third link 380 is provided with the third U-shaped mouth, it is connected with fourth pinch roller 390 to rotate through the third round pin axle in the third U-shaped mouth, fourth pinch roller 390 makes the PE membrane laminate in the outer peripheral face of third driven voller 320, make the PE membrane that gets into drive mechanism 300 keep the smoothness.
As shown in fig. 9 to 11, in another embodiment of the present invention, a support roller 160 is disposed right below each glue application die 580, the support roller 160 is disposed on the front surface of the housing 100, a squeegee assembly is disposed on the right side of each support roller 160, the squeegee assembly includes a second cylinder 170 disposed on the front surface of the housing 100, a piston rod of the second cylinder 170 is connected to a squeegee member 180, and the squeegee member 180 is driven by the second cylinder 170 to move in the up-down direction. In the process of producing the waterproof zipper, the distance between the glue scraping piece 180 and the support roller 160 in the vertical direction can be adjusted by the second cylinder 170 according to the thickness of the hot melt glue or the waterproof glue to be coated on the waterproof base material, under the supporting action of the support roller 160, the glue coating die head 580 can uniformly coat the hot melt glue or the waterproof glue on the surface of the zipper base material passing through the support roller 160, and then the glue scraping piece 180 scrapes the hot melt glue or the waterproof glue coated on the surface of the zipper base material flat according to the required thickness, so that the phenomenon that the hot melt glue or the waterproof glue is not uniformly coated on the surface of the zipper base material is avoided.
Referring to fig. 1 to 5, a method for manufacturing a waterproof slide fastener according to an embodiment of the second aspect of the present invention includes the steps of: step A: preparing a zipper base material, and sequentially enabling one end of the zipper base material to pass through the zipper guide frame 130, the heating assembly and the traction mechanism 300, wherein the traction mechanism 300 provides power for conveying the zipper base material; and B: according to the type of the required hot melt adhesive, selecting corresponding raw materials to be put into the hot melt adhesive coating mechanism 400 for preparation; selecting corresponding raw materials to be put into the waterproof adhesive coating mechanism 500 for preparation according to the type of the required waterproof adhesive; and C: the hot melt adhesive coating mechanism 400, the heating assembly, the waterproof adhesive coating mechanism 500 and the traction mechanism 300 are controlled to work by controlling the electric box 200, firstly, hot melt adhesive liquid is coated on the surface of the zipper substrate by the hot melt adhesive coating mechanism 400, then, heat is preserved by the heating assembly, and then, waterproof adhesive liquid is coated on the hot melt adhesive liquid by the waterproof adhesive coating mechanism 500, so that the hot melt adhesive layer and the waterproof adhesive layer are combined to form a waterproof membrane structure; step D: the waterproof membrane structure is cut along the midline of the zipper engaging teeth so that the zipper slider can slide over the zipper to open and close the zipper. Compared with the prior art, one end of the zipper base material sequentially passes through the zipper guide frame 130, the heating assembly and the traction mechanism 300; in the process of producing the waterproof zipper, the zipper substrate is continuously conveyed under the action of the traction mechanism 300, firstly, a layer of hot melt adhesive solution is coated on the surface of the zipper substrate through the hot melt adhesive coating mechanism 400, and then, the hot melt adhesive solution is kept at a better temperature through the heating assembly, so that when the zipper substrate coated with the hot melt adhesive solution passes through the position below the waterproof adhesive coating mechanism 500, the waterproof adhesive coating mechanism 500 uniformly coats a layer of waterproof adhesive solution on the hot melt adhesive solution to construct a flat waterproof membrane structure. Thereby make hot melt adhesive layer and waterproof adhesive layer combine to constitute waterproof membrane structure, processing technology is simple, has improved waterproof zipper's production efficiency, has reduced manufacturing cost. The preparation method does not need to compound a waterproof layer with a high melting point and a thermoplastic resin with a low melting point together in advance to obtain a composite film, then the composite film is adhered to the zipper substrate, corresponding raw materials can be selected to be respectively put into the hot melt adhesive coating mechanism 400 and the waterproof adhesive coating mechanism 500 to prepare according to the type of the hot melt adhesive and the waterproof adhesive which are actually required, the applicability is wider, the hot melt adhesive and the waterproof adhesive are sequentially coated on the surface of the zipper substrate in a molten adhesive solution mode to form the waterproof zipper, the molten hot melt adhesive can permeate into the inner pores of the zipper substrate, the bonding property of the hot melt adhesive layer and the zipper substrate is improved, meanwhile, the heating assembly is used for heating, the cooling solidification speed of the hot melt adhesive is slowed down, the hot melt adhesive can completely permeate into the inner pores of the zipper substrate, the bonding property of the hot melt adhesive layer and the zipper substrate is further improved, and the adhesive force between the waterproof film structure and the zipper substrate is further improved, the waterproof effect is better, and has prolonged waterproof zip fastener's life.
As shown in fig. 1, 3 and 5, in some embodiments of the present invention, in step B, the hot melt adhesive coating mechanism 400 and the waterproof adhesive coating mechanism 500 each comprise an adhesive supply assembly 510 for supplying an adhesive solution and an adhesive coating die 580 for coating the adhesive solution on the surface of the zipper substrate; the glue supply assembly 510 comprises a barrel 511 and an extrusion screw arranged in the barrel 511 for conveying glue, wherein one end of the barrel 511 is connected with a feeding hopper 512, and the other end is provided with a gluing die 580. The corresponding granular raw materials for preparing the hot melt adhesive or the waterproof adhesive are put into the feeding hopper 512, the raw materials are introduced into the charging barrel 511 through a feeding hole communicated with the charging barrel 511 through the bottom of the feeding hopper 512, the raw materials are heated through a heating device arranged on the outer wall of the charging barrel 511 to be changed into the hot melt adhesive liquid or the waterproof adhesive liquid in a molten state, the extrusion screw is driven to rotate through the driving motor 590, the hot melt adhesive liquid or the waterproof adhesive liquid is conveyed to the gluing die head 580, and therefore the hot melt adhesive liquid and the waterproof adhesive liquid are sequentially coated on the surface of the zipper base material to form a waterproof membrane structure. Specifically, compared with the prior art, the process comprises the steps of firstly preparing the low-melting-point thermoplastic resin into a solid hot-melt adhesive film, heating the solid hot-melt adhesive film into a molten state when the waterproof zipper is produced, and then adhering the waterproof film. The preparation method of the embodiment of the invention selects corresponding granular raw materials to be put into the charging barrel 511 for heating preparation according to the type of the required hot melt adhesive or waterproof adhesive, so that the required hot melt adhesive liquid or waterproof adhesive liquid in a molten state can be generated, and then the hot melt adhesive liquid or waterproof adhesive liquid is coated on the zipper base material, thereby simplifying the production process, simultaneously preparing a proper amount of hot melt adhesive liquid and waterproof adhesive liquid according to the actual requirement, avoiding waste and further reducing the production cost. The color master batch can be added into raw materials for preparing the waterproof glue solution to produce the colored waterproof glue solution, so that the waterproof zipper with the colored waterproof film structure is prepared, the diversity of the waterproof zipper is realized, the selectivity of a user is increased, and the market competitiveness is further improved.
Further, in step B, a movement regulating structure is attached to the barrel 511 so that the glue application die 580 provided at the end of the barrel 511 can move toward or away from the base material of the slide fastener. Specifically, the movable adjusting structure may include a sliding seat 560 disposed at the bottom of the barrel 511 and a linear guide 570 slidably engaged with the sliding seat 560, the sliding seat 560 is connected to an air cylinder or a hydraulic cylinder, the barrel 511 is driven by the air cylinder or the hydraulic cylinder to move back and forth relative to the linear guide 570, so that the gluing die 580 moves towards the zipper substrate and moves to a position right above the zipper substrate for glue solution coating operation, and when the gluing process is not performed, the gluing die 580 can move to one side of the zipper substrate away from the zipper substrate, so as to perform dismounting and replacement of the zipper substrate, and perform production and manufacturing of glue solution, which is more convenient to use.
In some embodiments of the present invention, in step C, the heating assembly includes a heating box 610 disposed on the chassis 100, and a U-shaped heating pipe 620 is disposed in the heating box 610. In the production process, the control electrical box 200 controls the U-shaped heating tube 620 in the heating box 610 to be electrified and heated, so that the zipper base material coated with the hot melt adhesive solution is heated by the U-shaped heating tube 620 before being conveyed to the waterproof adhesive coating mechanism 500 to be coated with the waterproof adhesive solution, the hot melt adhesive solution coated on the surface of the zipper base material is kept at a better temperature, and the waterproof adhesive solution can be uniformly coated on the hot melt adhesive to form a smooth waterproof membrane structure. Specifically, the heating box 610 is provided therein with a passage through which the base material of the zipper passes.
As shown in fig. 1, 3 and 4, in some embodiments of the present invention, in step C, two limiting assemblies are further included, each of the limiting assemblies includes a first cylinder 140 and a first roller 150 rotatably connected to a piston rod of the first cylinder 140, the first roller 150 is disposed right below the gluing die 580, and the first roller 150 is driven by the first cylinder 140 to approach or separate from the gluing die 580. In the process of producing the waterproof zipper, the distance between the first roller 150 and the gluing die head 580 in the vertical direction can be adjusted by the first cylinder 140 according to the thickness of the hot melt adhesive or the waterproof adhesive required to be coated on the waterproof substrate, and the gluing die head 580 can uniformly coat the hot melt adhesive and the waterproof adhesive with the required thickness on the surface of the zipper substrate passing through the first roller 150 under the supporting action of the first roller 150.
As shown in fig. 1 and 3, in some embodiments of the present invention, in step C, an embossing assembly 700 is disposed between the waterproof adhesive coating mechanism 500 and the traction mechanism 300 along a conveying direction of the zipper substrate, the embossing assembly 700 includes an embossing driving roller 710 and an embossing driven roller 720 disposed parallel to each other, the embossing driving roller 710 is coupled to a front surface of the housing 100, the embossing driven roller 720 is coupled to a third air cylinder 730, and the third air cylinder 730 is used to adjust a gap between the embossing driven roller 720 and the embossing driving roller 710. When the waterproof zipper is produced, the space between the embossing driven roller 720 and the embossing driving roller 710 can be adjusted through the third air cylinder 730 according to the actual thickness of the waterproof zipper, and the lines are formed by pressing the waterproof film structure coated on the zipper base material while the zipper base material is conveyed through the matching effect of the embossing driving roller 710 and the embossing driven roller 720. Before the waterproof slide fastener is produced, the embossing driven roller 720 may be driven away from the embossing driving roller 710 by the third air cylinder 730 to increase the gap therebetween so that the fastener base material passes through the gap therebetween.
Further, in step C, an air gun 800 for blowing out hot air is further included, and an air outlet of the air gun 800 faces the feeding end of the embossing assembly 700. In the process of producing the waterproof zipper, the control electronic box 200 starts the air gun 800 to heat according to the set relevant parameters, when the temperature of the air gun 800 is heated to meet the processing requirement, the air gun switch is pressed down, so that the air outlet of the air gun 800 is close to the feeding end of the embossing assembly 700, the waterproof film structure on the zipper substrate is heated by blowing hot air, the waterproof film structure is kept in a non-solid state, and uniform grains are pressed on the waterproof film structure.
As shown in fig. 1, 3 and 8, further, in step C, an adhesive tape rack 900 for unwinding the PE film is disposed at the upper end of the chassis 100, before preparation, the PE film is placed on the adhesive tape rack 900, and one end of the PE film is drawn to the feeding end of the traction mechanism 300 and attached to the upper surface of the zipper base material, the traction mechanism 300 includes a third driving roller 310 and a third driven roller 320 which are disposed in parallel, and a gap for laminating the PE film on the surface of the zipper base material is disposed between the third driving roller 310 and the third driven roller 320. The third driving roller 310 and the third driven roller 320 are arranged in parallel, the third driving roller 310 is driven to rotate by a motor, so that the third driving roller 310 and the third driven roller 320 are respectively in friction fit with the upper surface and the lower surface of the zipper, and the zipper base material is driven to be conveyed along the conveying direction under the action of friction force; meanwhile, the traction mechanism 300 can also adhere the PE film which is unwound from the adhesive tape frame 900 to the zipper base material coated with the hot melt adhesive and the waterproof adhesive, the PE film can isolate the waterproof layer structure formed by combining the hot melt adhesive layer and the waterproof adhesive layer from contacting the outside, and the waterproof layer structure is prevented from being cooled and solidified, so that impurities such as dust fall on the waterproof layer structure to influence the quality of the waterproof zipper. Specifically, the third driven roller 320 is driven by the fourth air cylinder 330 to be close to or far from the third driving roller 310, and before the waterproof zipper is produced, the third driven roller 320 can be driven by the fourth air cylinder 330 to be far from the third driving roller 310, so that the gap between the third driven roller 320 and the third driving roller is enlarged, and the zipper base material can pass through the gap between the third driven roller and the third driving roller; when the waterproof zipper is produced, the fourth air cylinder 330 can be used for driving the third driven roller 320 to be close to the third driving roller 310, so that the third driven roller 320 and the third driving roller 310 are respectively in friction fit with the upper surface and the lower surface of the zipper to realize a traction function, and meanwhile, according to the actual thickness of the waterproof zipper, the distance between the third driven roller 320 and the third driving roller 310 can be adjusted through the fourth air cylinder 330, so that the PE film is flatly adhered to the waterproof film structure subjected to embossing treatment under the rotating pressing effect of the third driven roller 320 and the third driving roller 310.
Further, in step C, in order to ensure that the PE film transferred from the tape dispenser 900 to the feeding end of the drawing mechanism 300 maintains a certain tension, so that the PE film is smoothly transferred, the first tension wheel 340 is disposed between the tape dispenser 900 and the feeding end of the drawing mechanism 300, and the surface of the PE film is attached to the outer circumferential surface of the first tension wheel 340. Specifically, as shown in fig. 7, in order to ensure the flatness of the PE film fed into the drawing mechanism 300, make the smooth adhesion of PE membrane in the surface of water proof membrane structure, be provided with second link 360 on the piston rod of fourth cylinder 330, the one end that the piston rod of fourth cylinder 330 was kept away from to second link 360 is provided with the second U-shaped mouth, third driven voller 320 rotates through the second round pin axle and connects in the second U-shaped mouth, the one end that second link 360 is close to the piston rod of fourth cylinder 330 is provided with riser 370, the upper end of riser 370 is provided with third link 380, the one end that the piston rod of fourth cylinder 330 was kept away from to third link 380 is provided with the third U-shaped mouth, it is connected with fourth pinch roller 390 to rotate through the third round pin axle in the third U-shaped mouth, fourth pinch roller 390 makes the PE membrane laminate in the outer peripheral face of third driven voller 320, make the PE membrane that gets into drive mechanism 300 keep the smoothness.
In another embodiment of the present invention, as shown in fig. 9 to 11, in step B, a support roller 160 is disposed right below each glue application die 580, the support roller 160 is disposed on the front surface of the housing 100, a glue scraping assembly is disposed on the right side of each support roller 160, the glue scraping assembly includes a second air cylinder 170 disposed on the front surface of the housing 100, a piston rod of the second air cylinder 170 is connected to a glue scraping member 180, and the glue scraping member 180 is driven by the second air cylinder 170 to move in the up-down direction. In the process of producing the waterproof zipper, the distance between the glue scraping piece 180 and the support roller 160 in the vertical direction can be adjusted by the second cylinder 170 according to the thickness of the hot melt glue or the waterproof glue to be coated on the waterproof base material, under the supporting action of the support roller 160, the glue coating die head 580 can uniformly coat the hot melt glue or the waterproof glue on the surface of the zipper base material passing through the support roller 160, and then the glue scraping piece 180 scrapes the hot melt glue or the waterproof glue coated on the surface of the zipper base material flat according to the required thickness, so that the phenomenon that the hot melt glue or the waterproof glue is not uniformly coated on the surface of the zipper base material is avoided.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and variations; any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a coherent waterproof zip fastener frictioning membrane machine which characterized in that includes:
the zipper mechanism comprises a case (100), wherein a zipper guide frame (130) for inputting zipper base materials is arranged on the left side of the case (100), and a control electric box (200) is arranged at the upper end of the right side wall of the case (100);
the traction mechanism (300) is arranged at the right end of the front surface of the case (100), and the traction mechanism (300) provides power for conveying the zipper base materials;
the hot melt adhesive coating mechanism (400) is arranged between the chain guide frame (130) and the traction mechanism (300) along the conveying direction of the zipper base material;
the waterproof adhesive coating mechanism (500) is arranged between the hot melt adhesive coating mechanism (400) and the traction mechanism (300) along the conveying direction of the zipper base material;
the heating assembly is arranged between the hot melt adhesive coating mechanism (400) and the waterproof adhesive coating mechanism (500) along the conveying direction of the zipper base material;
the hot melt adhesive coating mechanism (400) and the waterproof adhesive coating mechanism (500) respectively comprise an adhesive supply assembly (510) for supplying adhesive liquid and an adhesive coating die head (580) for coating the adhesive liquid on the surface of the zipper substrate; rubber coating die head (580) are provided with first locating surface (541) and second locating surface (542), second locating surface (542) with first locating surface (541) are located the coplanar, the second locating surface is connected with circular arc convex surface (543), circular arc convex surface (543) orientation rubber coating die head (580) play one side.
2. The continuous waterproof zipper glue spreading machine of claim 1, wherein the glue supply assembly (510) comprises a cylinder (511) and an extrusion screw arranged in the cylinder (511) for conveying glue, one end of the cylinder (511) is connected with a feeding hopper (512), and the other end is provided with the glue spreading die head (580).
3. The coherent waterproof zipper film scraping machine according to claim 1, wherein two limiting assemblies are arranged on the front surface of the machine case (100), each limiting assembly comprises a first air cylinder (140) arranged on the machine case (100), a piston rod of the first air cylinder (140) is rotatably connected with a first roller (150), the first roller (150) is arranged right below the gluing die head (580), and the first roller (150) is driven by the first air cylinder (140) to approach or depart from the gluing die head (580).
4. The coherent waterproof zipper glue scraping film machine according to claim 1, wherein a support roller (160) is arranged right below each glue coating die head (580), the support roller (160) is arranged on the front surface of the machine case (100), a glue scraping component is arranged on the right side of each support roller (160), the glue scraping component comprises a second air cylinder (170) arranged on the front surface of the machine case (100), a piston rod of the second air cylinder (170) is connected with a glue scraping piece (180), and the glue scraping piece (180) is driven by the second air cylinder (170) to move in the up-down direction.
5. The continuous waterproof zipper glue spreading and film scraping machine of claim 1, wherein an embossing assembly (700) is arranged between the waterproof glue coating mechanism (500) and the traction mechanism (300), the embossing assembly (700) comprises an embossing driving roller (710) and an embossing driven roller (720) which are arranged in parallel, the embossing driving roller (710) is connected to the front surface of the case (100), the embossing driven roller (720) is connected with a third air cylinder (730), and the third air cylinder (730) is used for adjusting a gap between the embossing driven roller (720) and the embossing driving roller (710).
6. The coherent waterproof zipper glue scraping film machine according to claim 1, wherein a tape holder (900) for unwinding a PE film is disposed at an upper end of the machine box (100), the traction mechanism (300) includes a third driving roller (310) and a third driven roller (320) disposed in parallel, and a gap for pressing the PE film on the surface of the zipper substrate is disposed between the third driving roller (310) and the third driven roller (320).
7. A preparation method of a waterproof zipper is characterized by comprising the following steps:
step A: preparing a zipper base material, and enabling one end of the zipper base material to sequentially pass through a zipper guide frame (130), a heating assembly and a traction mechanism (300), wherein the traction mechanism (300) provides power for conveying the zipper base material;
and B: selecting corresponding raw materials to be put into a hot melt adhesive coating mechanism (400) for preparation according to the type of the required hot melt adhesive; selecting corresponding raw materials to be put into a waterproof adhesive coating mechanism (500) for preparation according to the type of the required waterproof adhesive;
and C: controlling the hot melt adhesive coating mechanism (400), the heating assembly, the waterproof adhesive coating mechanism (500) and the traction mechanism (300) to work by controlling an electric box (200), firstly coating hot melt adhesive liquid on the surface of a zipper substrate through the hot melt adhesive coating mechanism (400), then preserving heat through the heating assembly, and then coating waterproof adhesive liquid on the hot melt adhesive liquid through the waterproof adhesive coating mechanism (500), so that the hot melt adhesive layer and the waterproof adhesive layer are combined to form a waterproof membrane structure; wherein, in the process of coating hot melt glue or waterproof glue, the arc convex surface (543) acts on the zipper substrate to ensure that the contact surface of the gluing die head (580) and the zipper substrate is smooth and round;
step D: the waterproof membrane structure is cut along the midline of the zipper engaging teeth so that the zipper slider can slide over the zipper to open and close the zipper.
8. The method for preparing a waterproof zipper according to claim 7, wherein in the step C, an embossing assembly (700) is arranged between the waterproof adhesive coating mechanism (500) and the traction mechanism (300) along the conveying direction of the zipper substrate, the embossing assembly (700) comprises an embossing driving roller (710) and an embossing driven roller (720) which are arranged in parallel, and the embossing driving roller (710) and the embossing driven roller (720) cooperate to press and texture the waterproof film structure coated on the zipper substrate while conveying the zipper substrate.
9. The method for preparing a waterproof zipper according to claim 8, wherein in the step C, before preparation, the PE film is placed on the tape holder (900), and one end of the PE film is drawn to the feeding end of the traction mechanism (300) to be attached to the upper surface of the zipper substrate, and during preparation, the embossed zipper substrate coated with the waterproof film structure is conveyed to the feeding end of the traction mechanism (300), and the PE film is attached to the surface of the waterproof film structure and adheres to the surface of the waterproof film structure under the pressing action of the traction mechanism (300).
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| CN202010018769.1A CN111203369B (en) | 2020-01-08 | 2020-01-08 | Coherent waterproof zipper glue scraping film machine and preparation method of waterproof zipper |
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| CN202010018769.1A CN111203369B (en) | 2020-01-08 | 2020-01-08 | Coherent waterproof zipper glue scraping film machine and preparation method of waterproof zipper |
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| CN112092334A (en) * | 2020-09-22 | 2020-12-18 | 温州市龙湾盛业塑料制品厂(普通合伙) | Composite zipper, composite zipper forming die and zipper compounding method |
| CN114209134B (en) * | 2021-12-15 | 2024-06-21 | 广东佳铭新材料科技有限公司 | Waterproof zipper film pasting device for clothing manufacturing |
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