CN111570670B - Spiral winding heater strip former - Google Patents
Spiral winding heater strip former Download PDFInfo
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- CN111570670B CN111570670B CN202010485984.2A CN202010485984A CN111570670B CN 111570670 B CN111570670 B CN 111570670B CN 202010485984 A CN202010485984 A CN 202010485984A CN 111570670 B CN111570670 B CN 111570670B
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- bobbin
- hole
- central rod
- arc branch
- heating wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F3/00—Coiling wire into particular forms
- B21F3/02—Coiling wire into particular forms helically
- B21F3/04—Coiling wire into particular forms helically externally on a mandrel or the like
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Abstract
The invention discloses a spiral winding heater strip former which comprises a bobbin, wherein a spiral groove is formed in the surface of the bobbin, a through hole is formed in the bobbin, the bobbin is composed of three arc branch pipes with the same shape and structure, and the three arc branch pipes can be spliced into a cylindrical bobbin along the direction of a transverse axis; a central rod is inserted into the through hole in the bobbin, the diameter of the central rod is not less than that of the through hole in the bobbin, and when the diameter of the central rod is greater than that of the bobbin, three arc branch pipes of the bobbin are spread; well core rod one end extends the bobbin, and has cup jointed the lock sleeve, and the one end of bobbin can be locked to the lock sleeve. The invention overcomes the defects of errors in the assembly of the heating wire, the abrasion of the outer diameter of the heating wire, the deformation of the screw pitch of the heating wire in the inner cylinder of the product and the inconsistency of the wall thickness of the heating wire in the prior art, and solves the problems of the shape, the consistency of the screw pitch and the gentle transition of the screw pitch change section in the winding of the heating wire in the prior art.
Description
Technical Field
The invention relates to the technical field of heating wire processing equipment, in particular to a spiral winding heating wire former.
Background
The heating wire winding is wound on the heated body wrapped with heat insulation materials according to the diameter of the heated body, and generally the heating wire is formed by a complete multi-section double-head spiral with different screw pitches. The screw pitch that will guarantee different sections in the heater strip shaping is unanimous, and the screw pitch change area is not allowed to bend, needs to gently excessively to next section screw pitch, still needs to carry out the product assembly after the coiling is accomplished, guarantees that heater strip and the unilateral clearance of product inner tube wall are not more than 0.1mm, will guarantee simultaneously that the coiling shaping accords with the drawing requirement.
The conventional heating wire is formed by manual winding, and the appearance of the manually wound heating wire is easy to be uneven, the winding of the double-head heating wire with different screw pitches is inconsistent, the angular control of the screw pitch change section of the double-head heating wire is difficult and the like. Therefore, the heating wire can not be installed in an arc branch pipe product in the assembly process, or the outer diameter of the heating wire is abraded in the assembly process, or the screw pitch of the heating wire in the inner cylinder of the product is deformed, the wall thickness is inconsistent, and the like, so that the heating wire formed by winding manually can not meet the drawing requirements in the forming and assembly processes.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the spiral winding heater strip former which can keep the consistency of the shape and the pitch of the heater strip in the winding process and realize the smooth transition of the pitch change section.
In order to achieve the purpose, the invention is realized by the following technical scheme: a spiral winding heating wire former comprises a bobbin, wherein a spiral groove is formed in the surface of the bobbin, a through hole is formed in the bobbin, the bobbin is composed of three arc branch pipes with the same shape and structure, and the three arc branch pipes can be spliced into a cylindrical bobbin along the direction of a transverse axis; a central rod is inserted into the through hole in the bobbin, the diameter of the central rod is not less than that of the through hole in the bobbin, and when the diameter of the central rod is greater than that of the bobbin, three arc branch pipes of the bobbin are spread; the bobbin extends out of one end of the center rod, the locking sleeve is sleeved on the center rod, and one end of the bobbin can be locked by the locking sleeve.
The working principle of the technical scheme is that the heating wire winding machine adopts a trisection combined winding drum oppositely combined on a central rod, the winding size is controlled by the winding drum and the central rod, and the heating wire is wound and formed along a spiral groove of the winding drum. After the heating wire is wound and assembled with the arc branch pipes, the central rod is drawn out of the bobbin, and the trisection bobbin is taken out, so that the formed heating wire is disassembled, the defects of errors of the heating wire in the assembly, the abrasion of the outer diameter of the heating wire, the pitch deformation of the heating wire in the inner barrel of a product and the inconsistent wall thickness of the heating wire in the prior art are overcome, and the problems of the shape, the consistency of the pitch and the gentle transition of the pitch change section of the heating wire in the prior art are solved.
In order to better realize the invention, each circular arc branch pipe is further provided with at least one through hole, the surface of the central rod is provided with a threaded blind hole matched with the through hole of the circular arc branch pipe, a bolt is inserted into the through hole of each circular arc branch pipe, and the bolt penetrates through the circular arc branch pipe and is in threaded connection with the threaded blind hole arranged on the surface of the internal central rod, so that the circular arc branch pipes are fixed with the central rod.
In order to better implement the invention, the arc branch pipe is axially provided with two through holes which are both positioned on the central line of the arc branch pipe, and the included angle between the through holes of the adjacent inserted different arc branch pipes is 120 degrees.
In order to better realize the invention, furthermore, the end face of one end of the bobbin, where the locking sleeve is arranged, is provided with a cylindrical fixture block for bearing the bottom of the locking sleeve, the middle part of the circular fixture block is provided with a cylinder inserted into the locking sleeve, and the diameter of the cylinder is the same as that of the through hole in the bobbin; the cylindrical clamping blocks are equally divided by the three circular arc branch pipes which form the bobbin as well as the cylinder, and the equally divided cylinder and the equally divided cylindrical clamping blocks form an integral structure.
In order to better realize the invention, the other end of the central rod is movably connected with a locking screw, the free end of the locking screw extends out of the bobbin, a winding end is nested on the locking screw extending out of the bobbin, and a locking nut is further arranged on the locking screw at the outer end of the winding end.
In order to better implement the invention, a groove is further formed in one end of the central rod, which is connected with the locking screw rod, an internal thread matched with the locking screw rod is arranged in the groove, and the locking screw rod is screwed into the groove of the central rod and is in threaded connection with the central rod.
In order to better realize the invention, the end face of one end of the bobbin, which is inserted with the locking screw, is provided with a boss capable of being nested inside the winding end, the middle part of the boss is provided with a through hole, the through hole of the boss is communicated with the through hole inside the bobbin, the diameter of the through hole of the boss is matched with the diameter of the locking screw and is not more than the diameter of the through hole inside the bobbin, and the boss is also equally divided by three circular arc branch pipes forming the bobbin.
In order to better implement the invention, further, a smooth oil film layer is attached to the surface of the central rod.
Compared with the prior art, the invention has the following advantages and beneficial effects:
(1) the invention provides a novel mode that the combined type bobbin is matched with the central rod, so that the central rod and the bobbin can be conveniently detached after the heating wire is wound and formed on the surface of the bobbin, the formed heating wire is detached, the defects of errors in assembly of the heating wire, abrasion of the outer diameter of the heating wire, deformation of the screw pitch of the heating wire in the inner barrel of a product and inconsistent wall thickness in the prior art are overcome, and the problems of the shape, the consistency of the screw pitch and the gentle transition of the screw pitch change section of the heating wire in the prior art are solved.
(2) The invention provides a movable combination mode of a winding end and a winding drum, so that the winding process is smoother, meanwhile, the arrangement of a plug pin structure enables more stressed parts to be arranged in the winding process, and the phenomenon that the winding drum wound with a heating wire is contacted with the bottom surface to influence the forming of the heating wire can be avoided;
(3) the spiral heating former of the heating wire has the advantages of simple structure, convenience in use, low manufacturing cost and good forming effect of the heating wire, and is suitable for wide popularization and application.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a perspective view of the bobbin of the present invention;
FIG. 4 is a schematic view of a bobbin tip structure according to the present invention;
FIG. 5 is a schematic view of a winding process according to the present invention;
FIG. 6 is a sectional view of the structure of the winding process in the present invention;
fig. 7 is a schematic view of the finished product of the present invention.
Wherein: the winding device comprises a winding drum 1, an 11-arc branch pipe, a 2-center rod, a 3-locking sleeve, a 4-bolt, a 5-locking screw, a 6-winding end, a 7-locking nut, a 8-cylinder and a 9-heating wire.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
Example 1:
the main structure of the present embodiment, as shown in fig. 1 to 3, includes a bobbin 1 having a spiral groove on the surface and a through hole inside, the bobbin 1 is composed of three arc branch pipes 11 having the same shape and structure, and the three arc branch pipes 11 can be spliced into a cylindrical bobbin 1 along the transverse axis direction; a central rod 2 is inserted into a through hole in the bobbin 1, the diameter of the central rod 2 is not less than that of the through hole in the bobbin 1, and when the diameter of the central rod 2 is greater than that of the bobbin 1, three circular arc branch pipes 11 of the bobbin 1 are spread; well core rod 2 one end extends bobbin 1, and has cup jointed lock sleeve 3, the one end of bobbin 1 can be locked to lock sleeve 3.
In the specific embodiment, the three circular arc branch pipes 11 are wrapped outside the central rod 2, and then the locking sleeve 3 at the end part is tightly sleeved, so that the three circular arc branch pipes 11 are combined into the bobbin 1 with the central rod 2 inside, and the diameter of the central rod 2 is not smaller than that of the through hole inside the bobbin 1, so that the central rod 2 can be fastened by the bobbin 1. And then the heating wire 9 is wound around the spiral groove of the upper portion of the bobbin 1. After the heating wire 9 is formed, as shown in fig. 7, the whole bobbin wound with the heating wire is placed in the cylinder 8, then the locking sleeve 3 at the end part is removed, then the central rod 2 is taken out from the bobbin 1, then the three circular arc branch pipes 11 forming the bobbin 1 are sequentially removed, and the formed heating wire 9 is left in the cylinder 8.
Example 2:
on the basis of the above embodiment, the structure of each circular arc branch pipe 11 forming the bobbin 1 is further limited, as shown in fig. 1 and fig. 2, each circular arc branch pipe 11 is further provided with at least one through hole, the surface of the central rod 2 is provided with a threaded blind hole matched with the through hole of the circular arc branch pipe 11, a plug pin 4 is inserted into the through hole of each circular arc branch pipe 11, and the plug pin 4 penetrates through the circular arc branch pipe 11 and is in threaded connection with the threaded blind hole arranged on the surface of the central rod 2 inside, so that the circular arc branch pipe 11 is fixed with the central rod 2. Add bolt 4, can the better combination of circular arc branch pipe 11 and well core rod 2, and can avoid well core rod 2 to take place to rotate in the bobbin is inside, also can avoid the coiling in-process of heater strip 9 simultaneously, bobbin 1 takes place to rotate, influences the coiling and the shaping of 1 surface heating wire of bobbin. When the central rod 2 is removed, the plug 4 needs to be taken out first, and the central rod 2 can be taken out of the bobbin 1. In addition, the addition of the bolt 4 has an operation auxiliary effect on winding of the heating wire 9 on the surface of the winding drum 1, on one hand, the bolt 4 can be used as an extra force application structure, and on the other hand, the bolt can be used as a supporting device to prevent the winding drum 1 from contacting the bottom surface to influence the forming of the heating wire 9. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 3:
in this embodiment, on the basis of the above embodiments, the structure of the circular arc branch pipes 11 is further defined, as shown in fig. 1 and fig. 2, each circular arc branch pipe 11 is axially provided with two through holes, and both the through holes are located on the central line of the circular arc branch pipe 11, and an included angle between the through-hole plugs 4 inserted into different circular arc branch pipes 11 is 120 °. The fixed position of the bolt 4 on the arc branch pipe 11 is further limited, so that the bolt is easier to become a force application structure, and the bobbin 1 can be erected more reasonably. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 4:
in this embodiment, on the basis of the above embodiment, the structure of the bobbin 1 is further defined, as shown in fig. 2 and fig. 3, an end face of the bobbin 1, on which one end of the locking sleeve 3 is disposed, is provided with a cylindrical fixture block for bearing the bottom of the locking sleeve 3, a sleeve inserted into the locking sleeve 3 is disposed in the middle of the cylindrical fixture block, and the diameter of the sleeve is the same as that of the through hole in the bobbin 1; the cylindrical clamping blocks and the sleeve are equally divided by the three arc branch pipes 11 of the bobbin 1, and the cylindrical clamping blocks and the sleeve are equally divided into an integral structure. Further inject the structure of bobbin 1, make its tip can be better combine with lock sleeve 3, make the fashioned bobbin 1 structure of equipment more firm. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 5:
on the basis of the above embodiment, the winding end 6 is further added in the embodiment, as shown in fig. 4-7, the other end of the central rod 2 is movably connected with a locking screw rod 5, the free end of the locking screw rod 5 extends out of the bobbin 1, the winding end 6 is nested on the locking screw rod 5 extending out of the bobbin 1, and a locking nut 7 is further arranged on the locking screw rod 5 at the outer end of the winding end 6. The heater strip 9 has been stored to wire winding end 6 inside, and winding fashioned heater strip 9 takes out from wire winding end 6 is inside, consequently adds locking screw 5 and lock nut 7, directly fixes wire winding end 6 in 1 one end of bobbin, makes things convenient for heater strip 1 to take out from wire winding end 6, directly carries out the winding of heater strip 9. In addition, the locking screw 5 is movably connected with the central rod 2 in the bobbin 1, so that the bobbin 1 is separated from the winding end 6 in real time; the locking nut 7 can stably fix the winding end 6 at one end of the winding reel 1. The whole structure realizes the connection of the winding end 6 and the winding reel 1, realizes the instant separation of the winding end and the winding reel 1, and does not need to dismantle the winding reel 1 after the heating wire 9 is formed. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 6:
on the basis of the above embodiment, the connection relationship between the central rod 2 and the locking screw 5 is further limited in this embodiment, as shown in fig. 2, 5 and 6, a groove is provided at one end of the central rod 2 connected with the locking screw 5, an internal thread matched with the locking screw 5 is provided in the groove, and the locking screw 5 is screwed into the groove of the central rod 2 and is in threaded connection with the central rod 2. The central rod 2 is connected with the locking screw rod 5, so that the winding end 6 embedded in the locking screw rod 5 can be stably fixed with the winding drum 1, the two can be separated immediately, and the heating wire 9 can be conveniently detached after being formed and installed. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 7:
on the basis of the above embodiments, the structure of the bobbin 1 is further limited in this embodiment, as shown in fig. 3, fig. 5, and fig. 6, the end face of one end of the locking screw 5 is inserted into the bobbin 1, a boss capable of nesting inside the winding end 6 is provided, a through hole is provided in the middle of the boss, the through hole of the boss is communicated with the through hole inside the bobbin 1, the diameter of the through hole of the boss is matched with the diameter of the locking screw 5 and is not greater than the diameter of the through hole inside the bobbin 1, and the boss is also equally divided by the three circular arc branch pipes 11 constituting the bobbin 1. The reason for adding the boss on the bobbin 1 is to make the winding end 6 and the bobbin 1 better combined, and not to influence the combined removal of the bobbin 1. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
Example 8:
on the basis of the above embodiment, this embodiment further adds the oil film layer on 2 surfaces of well core rod, 2 surfaces of well core rod are still attached with smooth oil film layer, and the oil film layer on 2 surfaces of well core rod is in order to make well core rod 2 when demolising, can be in the same direction as smooth demolising from bobbin 1, avoids well core rod 2's the in-process of demolising, harms well core rod 2 or 1 inner wall of bobbin. Other parts of this embodiment are the same as those of the above embodiment, and are not described again.
It will be appreciated that the principles and operation of the spiral wound former structure, such as the pin 4 and the locking sleeve 3, according to one embodiment of the present invention are well known in the art and will not be described in detail herein.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (5)
1. A spiral winding heater strip former is characterized by comprising a bobbin (1) with a spiral groove on the surface and a through hole inside, wherein the bobbin (1) is composed of three arc branch pipes (11) with the same shape and structure, and the three arc branch pipes (11) can be spliced into a cylindrical bobbin (1) along the direction of a transverse axis; a central rod (2) is inserted into a through hole in the bobbin (1), the diameter of the central rod (2) is not less than that of the through hole in the bobbin (1), and when the diameter of the central rod (2) is greater than that of the bobbin (1), three circular arc branch pipes (11) of the bobbin (1) are spread; one end of the central rod (2) extends out of the bobbin (1) and is sleeved with a locking sleeve (3), and the locking sleeve (3) can lock one end of the bobbin (1); each circular arc branch pipe (11) is further provided with at least one through hole, the surface of the central rod (2) is provided with a threaded blind hole matched with the through hole of the circular arc branch pipe (11), a bolt (4) is inserted into the through hole of each circular arc branch pipe (11), the bolt (4) penetrates through the circular arc branch pipes (11) to be in threaded connection with the threaded blind hole formed in the surface of the internal central rod (2), so that the circular arc branch pipes (11) are fixed with the central rod (2) and can be used as an extra force application structure to wind a heating wire (9) on the surface of the bobbin (1), and in addition, the bolt (4) is used as a supporting device, so that the bobbin (1) can be prevented from contacting the bottom surface and affecting the forming of the heating wire (9); each circular arc branch pipe (11) is axially provided with two through holes, the through holes are positioned on the central line of the circular arc branch pipes (11), and the included angle between through hole plugs (4) which are inserted into different circular arc branch pipes (11) adjacently is 120 degrees; the end face of one end, where the locking sleeve (3) is arranged, of the bobbin (1) is provided with a cylindrical clamping block for bearing the bottom of the locking sleeve (3), the middle of the cylindrical clamping block is provided with a sleeve inserted into the locking sleeve (3), and the diameter of the sleeve is the same as that of a through hole in the bobbin (1); the cylindrical fixture blocks and the sleeve are equally divided by three arc branch pipes (11) of the bobbin (1) which are formed in the same way, and the equally divided sleeve and the equally divided cylindrical fixture blocks form an integral structure; after the heating wire (9) is formed, the whole bobbin wound with the heating wire is placed in the cylinder (8), then the locking sleeve (3) at the end part is disassembled, then the central rod (2) is taken out of the bobbin (1), then the three circular arc branch pipes (11) forming the bobbin (1) are disassembled in sequence, and the processing forming heating wire (9) is left in the cylinder (8).
2. A spiral wound heater wire former as claimed in claim 1, wherein the other end of the central rod (2) is movably connected with a locking screw (5), the free end of the locking screw (5) extends out of the bobbin (1), a winding head (6) is nested on the locking screw (5) extending out of the bobbin (1), and a locking nut (7) is further disposed on the locking screw (5) at the outer end of the winding head (6).
3. A spiral wound heater wire former as claimed in claim 2, wherein the end of the central rod (2) connected to the locking screw (5) is provided with a recess, and the recess is provided with an internal thread matching the locking screw (5), and the locking screw (5) is screwed into the recess of the central rod (2) and is in threaded connection with the central rod (2).
4. A spiral winding heater wire former as claimed in claim 2, wherein the bobbin (1) has an end face inserted with one end of the locking screw (5) and is provided with a boss capable of nesting inside the winding end (6), the boss is provided with a through hole in the middle, the through hole of the boss is communicated with the through hole inside the bobbin (1), the diameter of the through hole of the boss is matched with the diameter of the locking screw (5) and is not larger than the diameter of the through hole inside the bobbin (1), and the boss is equally divided by three circular arc branch pipes (11) constituting the bobbin (1).
5. A spiral wound heater wire former as claimed in claim 1, wherein a smooth layer of oil film is applied to the surface of the central rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010485984.2A CN111570670B (en) | 2020-06-01 | 2020-06-01 | Spiral winding heater strip former |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010485984.2A CN111570670B (en) | 2020-06-01 | 2020-06-01 | Spiral winding heater strip former |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111570670A CN111570670A (en) | 2020-08-25 |
| CN111570670B true CN111570670B (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010485984.2A Active CN111570670B (en) | 2020-06-01 | 2020-06-01 | Spiral winding heater strip former |
Country Status (1)
| Country | Link |
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| CN (1) | CN111570670B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1235669A (en) * | 1967-08-05 | 1971-06-16 | Multilastic Ltd | Apparatus for use in the manufacture of spring interiors for mattresses and the like |
| US4616682A (en) * | 1984-01-13 | 1986-10-14 | U.S. Philips Corporation | Method of manufacturing helically wound filaments and filaments manufactured by means of this method |
| CN103341571B (en) * | 2013-07-09 | 2015-11-25 | 安徽华东光电技术研究所 | Coiling precision preferably wire winding device |
| CN205324565U (en) * | 2015-04-30 | 2016-06-22 | 重庆望江工业有限公司 | Processingequipment of coarse pitch spiral track body |
| CN204817816U (en) * | 2015-07-31 | 2015-12-02 | 巴拉斯塑胶（苏州）有限公司 | Wire spiral forming device of spring pipe |
| CN206569819U (en) * | 2017-02-23 | 2017-10-20 | 宁夏新起点现代农业装备科技有限公司 | New wound-rotor device |
| CN109822011B (en) * | 2018-10-12 | 2021-02-09 | 陕西飞机工业（集团）有限公司 | Combined spring body winding and forming device |
| CN109500305B (en) * | 2018-11-21 | 2024-02-13 | 大连绿云科技有限公司 | Reinforcing steel bar winding machine and method |
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2020
- 2020-06-01 CN CN202010485984.2A patent/CN111570670B/en active Active
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