CN114714639A - CPP film book cover production process - Google Patents
CPP film book cover production process Download PDFInfo
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- CN114714639A CN114714639A CN202210350015.5A CN202210350015A CN114714639A CN 114714639 A CN114714639 A CN 114714639A CN 202210350015 A CN202210350015 A CN 202210350015A CN 114714639 A CN114714639 A CN 114714639A
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- cpp
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- book cover
- film
- production process
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 claims abstract description 34
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 238000007493 shaping process Methods 0.000 claims abstract description 26
- 238000003756 stirring Methods 0.000 claims abstract description 13
- 238000005266 casting Methods 0.000 claims abstract description 9
- 238000007664 blowing Methods 0.000 claims abstract description 8
- 238000002844 melting Methods 0.000 claims abstract description 8
- 230000008018 melting Effects 0.000 claims abstract description 8
- 238000005086 pumping Methods 0.000 claims abstract description 8
- 238000005516 engineering process Methods 0.000 claims abstract description 6
- 239000012257 stirred material Substances 0.000 claims abstract description 4
- 238000005303 weighing Methods 0.000 claims abstract description 4
- 239000003638 chemical reducing agent Substances 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 9
- 238000004049 embossing Methods 0.000 claims description 7
- 238000010030 laminating Methods 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000005485 electric heating Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010096 film blowing Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000010345 tape casting Methods 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F3/00—Severing by means other than cutting; Apparatus therefor
- B26F3/06—Severing by using heat
- B26F3/08—Severing by using heat with heated members
- B26F3/12—Severing by using heat with heated members with heated wires
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/008—Wide strips, e.g. films, webs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The invention discloses a CPP film book cover production process, relates to a film production processing technology, and aims to solve the problems that the steps of the original book cover manufacturing method are more and more complicated, so that the production efficiency is easily influenced during production, and the edges of a CPP film obtained by cutting are sharp, so people are easily scratched, and the technical scheme has the key points that: the method comprises the following steps of firstly, material proportioning, namely weighing and proportioning the materials; step two, feeding and stirring, namely sequentially feeding the materials into a hopper stirrer, feeding a small amount of materials in the middle section, and continuously stirring for a certain time after all the materials are fed; thirdly, pumping and melting the materials, pumping the stirred materials into a CPP casting machine for heating; and step four, blowing the film, and injecting and blowing the film after the temperature in the CPP casting machine reaches the set temperature. The invention can be produced by thermal shaping, can reduce production steps and improve working efficiency, and the obtained book cover has round edges, so that people are not easy to be injured when touching.
Description
Technical Field
The invention relates to a film production and processing technology, in particular to a CPP film book cover production process.
Background
With the development of science and technology, various commodities are increasingly diversified, and the CPP film serving as a packaging material has good isolation effect on water vapor and peculiar smell and high transparency, so that the CPP film is widely used for packaging food, daily necessities and electronic products, and has high requirements on sealing fastness and sealing strength of the CPP film.
At present, the production method of the CPP film is as follows: the method comprises the steps of mixing various raw materials according to a formula, uniformly stirring, carrying out extrusion plasticization, extrusion casting, cooling forming and other steps on the stirred raw material mixture of each layer to obtain a CPP film finished product, and covering two CPP films together and connecting the CPP films in a bonding mode before finally forming the book cover to complete the book cover.
However, the original book cover manufacturing method has more and more complicated steps, so that the production efficiency is easily influenced during production, and the edge of the CPP film obtained by cutting is relatively sharp, so that people are easily scratched.
Therefore, a new solution is needed to solve this problem.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a CPP film book cover production process, which can be used for producing a CPP book cover in a hot shaping mode, can reduce production steps and improve the working efficiency, and the obtained book cover has round edges so that people are not easy to be injured when touching.
The technical purpose of the invention is realized by the following technical scheme: the CPP film book cover production process comprises the following steps,
step one, material preparation, namely weighing and material preparation of a material;
step two, feeding and stirring, namely sequentially feeding the materials into a hopper stirrer, feeding a small amount of materials in the middle section, and continuously stirring for a certain time after all the materials are fed;
thirdly, pumping and melting the materials, pumping the stirred materials into a CPP casting machine for heating;
blowing the film, namely injecting and blowing the film after the temperature in the CPP casting machine reaches the set temperature;
step five, cooling and embossing, opening a mirror steel roller, a sanding integrated roller, an integrated transparent roller, a manual separation pressing mode and a rubber pressure roller, and starting embossing to obtain the CPP film;
step six, laminating, namely putting two layers of CPP films to be compounded into an upper conveying belt and a lower conveying belt of a thermal shaping machine for feeding, and laminating the two layers of CPP films together;
step seven, performing thermal shaping, namely performing thermal shaping on the two CPP films which are overlapped together, performing specification adjustment and connection operation simultaneously, and performing angle guiding on the connection part of the two CPP films simultaneously;
and step eight, receiving materials, namely recovering and storing the CPP book cover subjected to thermal shaping.
Through adopting above-mentioned technical scheme, through carrying out above-mentioned step to make people when carrying out hot plastic to the film, not only can accomplish the side cut, can also accomplish turn-up and multiple processes of compound connection simultaneously, make this production technology's step reduce by a wide margin, simultaneously, work efficiency promotes by a wide margin, makes people can reduce the numerous and diverse steps in the production process, improves the yield of product.
The invention is further configured to: the hot plastic machine includes lower conveyer belt, sets up the last conveyer belt above it and is located the hot plastic subassembly of both discharge ends junctions, hot plastic subassembly includes the crisscross heating wire that sets up of a plurality of groups, and every group the crisscross point of heating wire shifts in the horizontal direction, the heating wire remains the state of tightening all the time.
Through adopting above-mentioned technical scheme, through conveyer belt and lower conveyer belt on setting up to make the heat plastic machine can also carry out the work of laminating the membrane to two-layer film, it is more convenient, when carrying out heat plastic simultaneously, only need the heating wire with its staggered point come to two-layer film cut and the hot melt can, make heat plastic easier.
The invention is further configured to: the thermal shaping assembly further comprises a support frame and a reciprocating piece arranged corresponding to the support frame, one end of each group of heating wires is arranged on the support frame, and the other end of each group of heating wires is arranged at the movable end of the reciprocating piece.
The invention is further configured to: the reciprocating member comprises two reciprocating screw rods which are rotatably arranged and a screw nut which is in threaded connection with the reciprocating screw rods, the reciprocating screw rods simultaneously rotate at the same speed, the screw nut is limited by rotation in the circumferential direction of the reciprocating screw rods, and one end of the heating wire is fixedly connected to the screw nut.
The invention is further configured to: the reciprocating piece further comprises a servo motor, a speed reducer connected with the output end of the servo motor, a guide rail arranged on one side of the speed reducer and arranged on the ground through a supporting seat, a connecting rod which is connected in the guide rail in a sliding mode and fixedly connected with the screw rod nut, and two connecting shafts, wherein one connecting shaft is coaxially and fixedly connected to the output shaft of the speed reducer, the other connecting shaft is rotatably connected to the top surface of the speed reducer, and the connecting shafts are coaxially and fixedly connected with the reciprocating screw rod.
The invention is further configured to: two all the cover is equipped with drive gear on the connecting axle, and two drive gear passes through the drive belt transmission and connects, the top fixedly connected with spacing dish of reciprocal lead screw.
The invention is further configured to: the support frame includes the bottom plate and rotates the pivot of connecting at its top surface, the pivot is provided with the torsional spring with the rotation junction of bottom plate, the both ends of torsional spring respectively with bottom plate and pivot fixed connection, lead screw nut's one end winding connection power behind the pivot outside is kept away from to the heating wire.
In conclusion, the invention has the following beneficial effects:
through carrying out above-mentioned step to make people when carrying out hot plastic to the film, not only can accomplish the side cut, can also accomplish the multichannel process of turn-up and compound connection simultaneously, make this production technology's step reduce by a wide margin, simultaneously, work efficiency promotes by a wide margin, makes people can reduce the numerous and diverse step in the production process, improves the yield of product.
Drawings
FIG. 1 is a schematic structural view of a thermal shaper of the present invention;
FIG. 2 is an enlarged view of FIG. 1 at A;
fig. 3 is an enlarged view at B in fig. 2.
In the figure: 1. a lower conveyor belt; 2. uploading a conveyor belt; 3. a support table; 4. a servo motor; 5. a speed reducer; 6. a reciprocating screw rod; 7. a limiting disc; 8. a connecting rod; 9. a supporting seat; 10. a guide rail; 11. a connecting shaft; 12. a transmission gear; 13. a transmission belt; 14. a feed screw nut; 15. an electric heating wire; 16. a support frame.
Detailed Description
The invention is described in detail below with reference to the figures and examples.
Example (b):
the CPP film book cover production process comprises the following steps,
step one, material proportioning, namely weighing and proportioning materials;
and step two, feeding and stirring, namely sequentially feeding the materials into a hopper stirrer, feeding the materials with small amount into the middle section at the rotating speed of 30 revolutions per minute, sequentially feeding the prepared materials into a feeding port, feeding the materials with small amount into the middle part, ensuring uniform dispersion, continuously stirring for a certain time after all the materials are fed, continuously stirring for 15 minutes, stopping stirring for treatment when foreign matters fall into the stirrer in the stirring process, and stopping stirring for treatment. The material supply condition is concerned at any moment, and the material breaking phenomenon cannot occur.
And step three, pumping and melting the materials, pumping the stirred materials into the CPP casting machine for heating, setting a heating controller of the CPP casting machine, and starting to heat. Temperatures were as follows, temperature 1 row: 270. 275, 250, 245, 235, 225, 200, 180, temperature row 2: 274. 270, 252, 253, 252, 253, 254.
Step four, blowing the film, namely, after the temperature in the CPP tape casting machine reaches the set temperature, starting injecting and blowing the film, and paying attention to inspection in the film blowing process, wherein 1, no head is seen, and the non-carbonized gram weight is uniform in thickness; 2. the phenomenon of carbonization and yellowing does not occur when the material is heated.
Step five, cooling and embossing, namely opening a mirror steel roller, circulating hot water into the mirror steel roller, sanding an integrated roller, circulating hot water into the mirror steel roller, injecting cooling water into the integrated transparent roller, manually releasing the embossing mode, introducing a rubber pressure roller and cold water into the rubber pressure roller, and starting embossing to obtain the CPP film;
step six, laminating, namely putting two layers of CPP films to be compounded into an upper conveyor belt 2 and a lower conveyor belt 1 of a thermal shaping machine for feeding, and laminating the two layers of CPP films together;
step seven, performing thermal shaping, namely performing thermal shaping on the two CPP films which are overlapped together, performing specification adjustment and connection operation simultaneously, and performing angle guiding on the connection part of the two CPP films simultaneously;
as shown in fig. 1-3, the thermal shaping machine includes a lower conveyor belt 1, an upper conveyor belt 2 disposed above the lower conveyor belt, and a thermal shaping assembly located at the intersection of the two discharge ends, a support table 3 is disposed at the intersection of the two discharge ends, and the thermal shaping assembly is disposed at two sides of the support table 3, the thermal shaping assembly includes a plurality of sets of heating wires 15 disposed in a staggered manner, and the staggered point of each set of heating wires 15 is displaced in the horizontal direction, the heating wires 15 are always kept in a tightened state, the thermal shaping assembly further includes a support frame 16 and a reciprocating member disposed corresponding thereto, one end of each set of heating wires 15 is disposed on the support frame 16, and the other end thereof is disposed at the movable end of the reciprocating member, the reciprocating member includes two reciprocating screws 6 rotatably disposed, a screw nut 14 threadedly connected thereto, a servo motor 4, a speed reducer 5 connected to the output end thereof, and a guide rail 10 disposed on one side of the speed reducer 5 and disposed on the ground through a support base 9, A connecting rod 8 which is connected in a guide rail 10 in a sliding way and is fixedly connected with a lead screw nut 14, and two connecting shafts 11, wherein two reciprocating lead screws 6 rotate at the same speed, the lead screw nut 14 is limited by rotation in the circumferential direction of the reciprocating lead screw 6, one end of a heating wire 15 is fixedly connected with the lead screw nut 14, one connecting shaft 11 is coaxially and fixedly connected with an output shaft of a speed reducer 5, the other connecting shaft 11 is rotatably connected with the top surface of the speed reducer 5, the connecting shafts 11 are coaxially and fixedly connected with the reciprocating lead screws 6, two connecting shafts 11 are both sleeved with a transmission gear 12, the two transmission gears 12 are in transmission connection through a transmission belt 13, a limiting disc 7 is fixedly connected with the top end of the reciprocating lead screw 6, a supporting frame 16 comprises a bottom plate and a rotating shaft which is rotatably connected with the top surface of the supporting frame, a torsional spring is arranged at the rotating connection position of the rotating shaft and the bottom plate, and two ends of the torsional spring are respectively and fixedly connected with the bottom plate and the rotating shaft, one end of the electric heating wire 15 far away from the lead screw nut 14 is wound on the outer side of the rotating shaft and then is connected with a power supply.
When the thermal shaping machine carries out shaping work, the films are firstly transferred through the upper conveying belt 2 and the lower conveying belt 1, the two films are overlapped on the supporting table 3, at the moment, the two overlapped films are subjected to thermal shaping, only the electric heating wire 15 needs to be electrified, and then the electric heating wire 15 is rapidly heated to reach the temperature capable of carrying out hot melting cutting on the films.
Then the servo motor 4 is started, the speed can be reduced through the speed reducer 5, then the connecting shaft 11 is driven by the speed reducer 5 to rotate, meanwhile, one connecting shaft 11 can drive the other connecting shaft 11 and the transmission gear 12 above the other connecting shaft to rotate through the transmission gear 12 and the transmission belt 13, so that the two reciprocating screw rods 6 can synchronously rotate, because the positions of the screw nuts 14 on the two reciprocating screw rods 6 are different, the two screw nuts 14 can either relatively displace or oppositely displace, so that the staggered points of the single group of two heating wires 15 driven by the two heating wires 15 can deviate, the two heating wires 15 are contacted with the two layers of films through the staggered points, and under the cutting of the glowing heating wires 15, the phenomena of cutting and hot melting can occur, so that redundant films can be cut off, the hot melting parts of the two layers of films can be fused together, and simultaneously, the cut edges of the films are rolled under the action of high-temperature hot melting, the formed book cover has round edge and can not cause harm to people.
And step eight, receiving materials, namely recovering and storing the CPP book cover subjected to thermal shaping.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and all technical solutions that belong to the idea of the present invention belong to the scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (7)
1. A CPP film book cover production technology is characterized in that: comprises the following steps of (a) carrying out,
step one, material preparation, namely weighing and material preparation of a material;
step two, feeding and stirring, namely sequentially feeding the materials into a hopper stirrer, feeding a small amount of materials in the middle section, and continuously stirring for a certain time after all the materials are fed;
thirdly, pumping and melting the materials, pumping the stirred materials into a CPP casting machine for heating;
blowing the film, namely injecting and blowing the film after the temperature in the CPP casting machine reaches the set temperature;
step five, cooling and embossing, opening a mirror surface steel roller, a frosted integrated roller, an integrated transparent roller, a manual release pressing mode and a rubber pressure roller, and starting embossing to obtain the CPP film;
step six, laminating, namely putting two layers of CPP films to be compounded into an upper conveyor belt (2) and a lower conveyor belt (1) of a thermal shaping machine for feeding, and laminating the two layers of CPP films together;
step seven, performing thermal shaping, namely performing thermal shaping on the two CPP films which are overlapped together, performing specification adjustment and connection operation simultaneously, and performing angle guiding on the connection part of the two CPP films simultaneously;
and step eight, receiving materials, namely recovering and storing the CPP book cover subjected to thermal shaping.
2. The CPP film book cover production process of claim 1, characterized in that: the hot shaping machine comprises a lower conveying belt (1), an upper conveying belt (2) arranged above the lower conveying belt and a hot shaping assembly located at the intersection of the discharge ends of the lower conveying belt and the upper conveying belt, the hot shaping assembly comprises a plurality of groups of heating wires (15) which are arranged in a staggered mode, each group of heating wires (15) is shifted in the horizontal direction at staggered points, and the heating wires (15) are kept in a tightened state all the time.
3. The CPP film book cover production process of claim 2, characterized in that: the hot plastic subassembly still includes support frame (16) and the reciprocating member that sets up rather than corresponding, and every group the one end of heating wire (15) sets up on support frame (16), and its other end sets up on the activity of reciprocating member is served.
4. The CPP film book cover production process of claim 3, characterized in that: the reciprocating piece comprises two reciprocating screw rods (6) which are rotatably arranged and a screw nut (14) which is in threaded connection with the reciprocating screw rods, the reciprocating screw rods (6) rotate at the same speed, the screw nut (14) is limited in rotation in the circumferential direction of the reciprocating screw rods (6), and one end of an electric heating wire (15) is fixedly connected to the screw nut (14).
5. The CPP film book cover production process of claim 4, characterized in that: the reciprocating piece further comprises a servo motor (4), a speed reducer (5) connected with the output end of the servo motor, a guide rail (10) arranged on one side of the speed reducer (5) and arranged on the ground through a supporting seat (9), a connecting rod (8) connected in the guide rail (10) in a sliding mode and fixedly connected with a screw rod nut (14), and two connecting shafts (11), wherein one connecting shaft (11) is fixedly connected to an output shaft of the speed reducer (5) in a coaxial mode, the other connecting shaft (11) is connected to the top face of the speed reducer (5) in a rotating mode, and the connecting shaft (11) is fixedly connected with a reciprocating screw rod (6) in a coaxial mode.
6. The CPP film book cover production process of claim 5, characterized in that: two all the cover is equipped with drive gear (12) on connecting axle (11), and two drive gear (12) are connected through drive belt (13) transmission, the top fixedly connected with spacing dish (7) of reciprocal lead screw (6).
7. The CPP film book cover production process of claim 6, characterized in that: the support frame (16) includes the bottom plate and rotates the pivot of connection at its top surface, the pivot is provided with the torsional spring with the rotation junction of bottom plate, the both ends of torsional spring respectively with bottom plate and pivot fixed connection, the one end winding that screw-nut (14) was kept away from in heating wire (15) is connected the power behind the pivot outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210350015.5A CN114714639B (en) | 2022-04-02 | 2022-04-02 | CPP film book cover production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210350015.5A CN114714639B (en) | 2022-04-02 | 2022-04-02 | CPP film book cover production process |
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| Publication Number | Publication Date |
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| CN114714639A true CN114714639A (en) | 2022-07-08 |
| CN114714639B CN114714639B (en) | 2024-08-27 |
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| CN113478846A (en) * | 2021-05-26 | 2021-10-08 | 占红梅 | Processing equipment and processing technology of composite geomembrane |
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