CN221496839U - Automatic lamination device for polymer extrusion casting film - Google Patents
Automatic lamination device for polymer extrusion casting film Download PDFInfo
- Publication number
- CN221496839U CN221496839U CN202420032050.7U CN202420032050U CN221496839U CN 221496839 U CN221496839 U CN 221496839U CN 202420032050 U CN202420032050 U CN 202420032050U CN 221496839 U CN221496839 U CN 221496839U
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- workbench
- frame
- polymer extrusion
- laminating
- press roller
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- 238000003475 lamination Methods 0.000 title claims abstract description 38
- 238000001125 extrusion Methods 0.000 title claims abstract description 24
- 229920000642 polymer Polymers 0.000 title claims abstract description 22
- 238000005266 casting Methods 0.000 title claims abstract description 20
- 238000010030 laminating Methods 0.000 claims abstract description 31
- 238000005096 rolling process Methods 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 238000003825 pressing Methods 0.000 claims abstract description 3
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 239000004809 Teflon Substances 0.000 claims description 7
- 229920006362 Teflon® Polymers 0.000 claims description 7
- 239000002390 adhesive tape Substances 0.000 claims description 4
- 238000005485 electric heating Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 14
- 229920006254 polymer film Polymers 0.000 description 13
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 230000007480 spreading Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 229920006264 polyurethane film Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to an automatic lamination device for polymer extrusion casting films, which comprises a frame, a lamination workbench, a guide element, a transmission unit, a driving unit and a rolling unit, wherein the frame is provided with a plurality of rollers; the stacking workbench is guided by the guide element to translate back and forth along the frame, and the driving unit pushes the stacking workbench to translate through the transmission unit; the rolling unit comprises a press roller and a lifting mechanism for adjusting the height of the press roller, the axial direction of the press roller is arranged along the left-right direction, and the press roller is positioned above the laminating workbench; the number of the rolling units is two, one is arranged in front of the other, and a gap for the film to pass through from top to bottom is reserved between the two pressing rollers. The utility model can improve the production efficiency, ensure the consistency of products and reduce the labor cost and risk, and belongs to the technical field of laminating devices.
Description
Technical Field
The utility model relates to a laminating device, in particular to an automatic laminating device for polymer extrusion casting films.
Background
Extrusion casting is a process for preparing a film from a polymer material, and the basic principle of the extrusion casting process comprises the steps of mixing polymer particles with additives, heating and melting, and extruding a melt from a casting machine head through an extruder to form the film. The extruded film is subjected to stretching, cooling and other steps to finally form a film product with specific structure and performance. The extrusion casting process realizes the regulation and control of the thickness, the surface quality and the performance of the film by controlling the process parameters of extrusion, stretching, solidification and the like of the material, and is widely applied to the industrial fields of packaging, shoe materials, clothes, electronics, medical treatment and the like.
At present, the casting film is mainly rolled by a rolling device in the production process. And the winding device winds the extruded and stretched film, and finally forms a cylindrical film product. However, in many applications, it is desirable to use films having a multi-layer structure, i.e., to laminate the wound film. Such as by lamination to a suitable thickness using an extruded polyurethane film, followed by autoclave foaming to produce insoles, soles, yoga mats, mattresses, thermal insulation sound absorption mats, and the like. In the production of a multilayer film, it is often necessary to separate and stack the roll-shaped film again by manual intervention. This not only increases the complexity of the production process and the time cost, resulting in a decrease in production efficiency; and the artificial lamination also has certain consistency and stability problems, which affect the quality and performance of the multilayer film.
Therefore, in optimizing the cast film production process, it is considered to introduce a lamination device to satisfy some applications having special requirements for the film lamination structure. Such improvements help to expand the application field of cast films, improve the flexibility of production lines, and meet the market demand for multilayer structured film products.
Disclosure of utility model
Aiming at the technical problems existing in the prior art, the utility model aims at: the polymer extrusion casting film automatic lamination device reduces dependence on manual operation, improves the efficiency and consistency of multi-layer structure film preparation, reduces the production cost, and simultaneously improves the product quality and the overall efficiency of a production line.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an automatic lamination device for polymer extrusion casting films comprises a frame, a lamination workbench, a guide element, a transmission unit, a driving unit and a rolling unit; the stacking workbench is guided by the guide element to translate back and forth along the frame, and the driving unit pushes the stacking workbench to translate through the transmission unit; the rolling unit comprises a press roller and a lifting mechanism for adjusting the height of the press roller, the axial direction of the press roller is arranged along the left-right direction, and the press roller is positioned above the laminating workbench; the number of the rolling units is two, one is arranged in front of the other, and a gap for the film to pass through from top to bottom is reserved between the two pressing rollers.
Preferably, the rolling unit further comprises a stand; the lifting mechanism is a servo electric cylinder group which is fixed on the frame through a bracket; in the servo electric cylinder group, the upper ends of piston rods of the two servo electric cylinders are respectively connected with two ends of the press roller.
Preferably, the surface of the press roll is provided with an adhesion-preventing teflon tape.
Preferably, the laminating workbench is of a rectangular plate-shaped structure, the upper surface of the laminating workbench is horizontally arranged, and the upper surface of the laminating workbench is provided with a Teflon adhesive tape with an anti-adhesion effect.
Preferably, a heating element is provided in the lamination table to maintain the temperature of the upper surface of the lamination table constant.
Preferably, the number of the heating elements is plural, and the heating elements are sequentially arranged in the front-rear direction, and the heating elements are embedded in the lamination table.
Preferably, the heating element is an electrical heating rod.
Preferably, the guide element is a guide rail and slide block mechanism, the guide rail is arranged on the frame, the slide block is fixedly connected with the stacking workbench, and the slide block slides along the guide rail.
Preferably, the transmission unit is a rack-and-pinion mechanism, and a rack extending in the front-rear direction is fixed to the bottom of the stacking table.
Preferably, the driving unit comprises a servo motor, a motor mounting frame, two groups of bearing seats and a driving shaft; the servo motor is installed on the frame through the motor mounting bracket, and the drive shaft is installed on the frame through two sets of bearing frames, and the gear is installed on the drive shaft, and the servo motor meets with the drive shaft and drives the drive shaft rotation.
Compared with the existing manual lamination technology, the utility model has the following advantages and effects:
(1) The production efficiency is improved: the automated stacking apparatus is capable of completing the stacking process at higher speeds and consistency, avoiding potential errors and fluctuations in manual operation. Therefore, the production period can be greatly shortened, the overall efficiency of the production line is improved, and meanwhile, the production interruption caused by manual intervention is reduced.
(2) Ensuring product consistency: the automated stacking apparatus can ensure uniformity of stacking position and tension of each layer with accurate control and monitoring, thereby improving quality and stability of the multi-layered structure. The automated stacking reduces operator-to-operator variability compared to manual operation, ensuring higher consistency of the product.
(3) Reducing labor cost and risk: the introduction of an automated stacking device may reduce reliance on skilled operators, thereby reducing labor costs and reducing potential risks due to manual handling. The automated system can operate stably for a long period of time, avoiding problems due to operator fatigue, variation or error.
(4) Simple structure and convenient operation.
Drawings
FIG. 1 is a schematic view showing the structure of an apparatus for automatically laminating polymer extrusion-cast films according to the present utility model.
FIG. 2 is a left side view of the polymer extrusion cast film auto lamination apparatus of the present utility model.
Fig. 3 is an exploded schematic view of the drive unit.
Fig. 4 is an exploded schematic view of the roll-in unit.
Fig. 5 is a schematic installation view of the rail-slider mechanism.
Fig. 6 is a schematic structural view of the lamination table.
FIGS. 7a-7d are schematic diagrams of the operation of an automated polymer extrusion cast film laminating apparatus.
The reference numerals in the above figures are as follows: 1-a frame; 2, stacking a workbench; 3-a transmission unit; 3-1-a rack; 3-2-gear; 4-a driving unit; 4-1-a servo motor; 4-2-motor mounting rack; 4-3-bearing seat; 4-driving shaft; 4-5-coupling; 4-6-bond; 5-a rolling unit; 5-1-a bracket; 5-2-a first servo cylinder group; 5-3-a first press roll; 5-4-a second servo cylinder group; 5-a second press roll; 6-a guide rail slide block mechanism; 6-1, a linear guide rail; 6-2-sliding block; 7, a screw; 8-Teflon rubberized fabric; 9-an electric heating rod; 10-casting die; 11-polymer film.
Detailed Description
The present utility model will be described in further detail with reference to examples and drawings, but embodiments of the present utility model are not limited thereto.
Fig. 1 to 6 show a specific structure of an automatic lamination device for polymer extrusion casting film of the present utility model, which comprises a frame 1, a lamination table 2, a transmission unit 3, a driving unit 4, a rolling unit 5 and a guide rail sliding block mechanism 6. Two guide rails in the guide rail sliding block mechanism are arranged in parallel and fixed at the top end of the frame 1, the sliding blocks are fixed on the stacking workbench 2, and the sliding blocks slide along the guide rails; the rack 3-1 is arranged in parallel with the guide rail and is fixedly arranged at the bottom end of the stacking workbench 2; the driving unit 4 is arranged and fixed on a mounting plate positioned in the middle of the frame 1, the gear 3-2 is meshed with the rack 3-1, and the stacked workbench 2 can be driven to reciprocate back and forth along the guide rail sliding block mechanism 6 through the rack 3-1 under the action of the driving unit 4; the rolling units 5 span the top end of the laminating table 2 and are mounted and fixed on the two side uprights in the middle of the frame 1.
As shown in fig. 3, the driving unit 4 includes a servo motor 4-1, a motor mount 4-2, two sets of bearing blocks 4-3, and a driving shaft 4-4. The flange plate of the servo motor 4-1 is fixed on the motor mounting frame 4-2 through screws 7; the gear 3-2 is fixedly arranged on the driving shaft 4-4 through a key 4-6; the journals at two ends of the driving shaft 4-4 are respectively arranged in bearing holes in the two groups of bearing seats 4-3, one end of the driving shaft 4-4 is connected with the output shaft of the servo motor 4-1 through a coupler 4-5, and the gear 3-2 can be driven to perform rapid forward and reverse movement under the action of the servo motor 4-1; the motor mounting frame 4-2 and the two groups of bearing seats 4-3 are respectively arranged and fixed on a mounting plate positioned in the middle of the frame 1 through screws 7 (shown in figure 2).
As shown in fig. 4, the roll-in unit 5 includes a first roll-in assembly, a second roll-in assembly, two sets of holders 5-1. The first rolling assembly comprises a first servo electric cylinder group 5-2 and a first press roller 5-3, and two ends of the first press roller 5-3 are respectively arranged at the front ends of two piston rods of the first servo electric cylinder group 5-2; the second rolling assembly comprises a second servo electric cylinder group 5-4 and a second press roller 5-5, and two ends of the second press roller 5-5 are respectively arranged at the front ends of two piston rods of the second servo electric cylinder group 5-4. The first compression roller assembly and the second compression roller assembly are arranged and fixed on the two groups of brackets 5-1 in parallel through screws 7, and a certain interval (such as 5 mm) is kept between the first compression roller 5-3 and the second compression roller 5-5. The first compression roller 5-3 and the second compression roller 5-5 cross the top end of the laminating workbench 2, the axis of the first compression roller and the axis of the second compression roller are perpendicular to the reciprocating sliding direction of the laminating workbench 2, and the surfaces of the two compression rollers are respectively adhered with a Teflon adhesive tape 8 with an anti-adhesion effect; the two groups of brackets 5-1 are respectively arranged and fixed on two side upright posts in the middle of the frame 1 through screws 7 (shown in figures 1 and 2).
As shown in fig. 5, the rail-slider mechanism includes a linear rail 6-1 and a slider 6-2, and the slider 6-2 is reciprocally slidable in the axial direction of the linear rail 6-1. The linear guide 6-1 and the slider 6-2 are fixed to the top end surface of the frame 1 and the bottom end surface of the stacking table 2, respectively, by screws 7 (as shown in fig. 1 and 2).
As shown in fig. 6, a teflon tape 8 having an anti-adhesion function is attached to the surface of the lamination table 2, and an electric heating rod 9 for maintaining the temperature of the table surface constant is embedded in the base body of the lamination table 2.
Fig. 7a to 7d show the operation principle of an automatic lamination device for polymer extrusion casting film, comprising the steps of: (1) The initial position of the lamination table 2 is adjusted so that the front end of the lamination table 2 is placed directly under the gap between the first press roll 5-3 and the second press roll 5-5, and then the polymer film 11 extruded from the casting die 10 is adhered and fixed to the front end of the upper surface of the lamination table 2 after passing through the gap between the first press roll 5-3 and the second press roll 5-5, as shown in fig. 7 a; (2) Starting a driving unit 4 to drive the laminating workbench 2 to slide forwards, simultaneously driving a first press roller 5-3 to move downwards by a piston rod of a first servo electric cylinder group, enabling the first press roller 5-3 to be attached to and pressed against a polymer film 11 on the surface of the laminating workbench 2, continuously spreading the polymer film 11 on the surface of the laminating workbench 2 along with the sliding of the laminating workbench 2 under the rolling action of the first press roller 5-3, stopping the driving unit 4 when the polymer film is spread to the tail end of the laminating workbench 2, and simultaneously resetting the first press roller 5-3 to finish one-time lamination of extruding the casting polymer film 11, as shown in fig. 7 b; (3) Starting the driving unit 4 again to drive the laminating workbench 2 to slide backwards, simultaneously driving the second press roller 5-5 to move downwards by a piston rod of the second servo electric cylinder group, enabling the second press roller 5-5 to be attached to and pressed against the polymer film 11 on the surface of the laminating workbench 2, continuously spreading the extruded cast polymer film 11 on the surface of the laminating workbench 2 along with the sliding of the laminating workbench 2 under the rolling action of the second press roller 5-5, stopping the driving unit 4 when the extruded cast polymer film is spread to the front end of the laminating workbench 2, and resetting the second press roller 5-5 to finish the re-lamination of the extruded cast polymer film 11, as shown in fig. 7 c; step (2) and step (3) are continuously cycled until the polymer film 11 is stacked to a predetermined thickness, and then the polymer film 11 extruded from the casting die is cut off, thereby completing the automatic lamination process of the polymer film 11, as shown in fig. 7 d.
The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.
Claims (10)
1. An automatic lamination device of polymer extrusion casting film, which is characterized in that: comprises a frame, a laminating workbench, a guide element, a transmission unit, a driving unit and a rolling unit; the stacking workbench is guided by the guide element to translate back and forth along the frame, and the driving unit pushes the stacking workbench to translate through the transmission unit; the rolling unit comprises a press roller and a lifting mechanism for adjusting the height of the press roller, the axial direction of the press roller is arranged along the left-right direction, and the press roller is positioned above the laminating workbench; the number of the rolling units is two, one is arranged in front of the other, and a gap for the film to pass through from top to bottom is reserved between the two pressing rollers.
2. The polymer extrusion cast film automatic lamination apparatus as defined in claim 1, wherein: the rolling unit also comprises a bracket; the lifting mechanism is a servo electric cylinder group which is fixed on the frame through a bracket; in the servo electric cylinder group, the upper ends of piston rods of the two servo electric cylinders are respectively connected with two ends of the press roller.
3. The polymer extrusion cast film automatic lamination apparatus as defined in claim 1, wherein: the surface of the compression roller is provided with a Teflon adhesive tape with an anti-adhesion function.
4. The polymer extrusion cast film automatic lamination apparatus as defined in claim 1, wherein: the laminating workbench is of a rectangular plate-shaped structure, the upper surface of the laminating workbench is horizontally arranged, and the upper surface of the laminating workbench is provided with a Teflon adhesive tape with an anti-adhesion function.
5. The polymer extrusion cast film automatic lamination apparatus as defined in claim 1, wherein: the laminating table is internally provided with a heating element for maintaining the temperature of the upper surface of the laminating table constant.
6. The polymer extrusion casting film automatic lamination apparatus according to claim 5, wherein: the heating elements are arranged in sequence along the front-back direction, and are embedded in the laminating workbench.
7. The polymer extrusion casting film automatic lamination apparatus according to claim 6, wherein: the heating element is an electric heating rod.
8. The polymer extrusion cast film automatic lamination apparatus as defined in claim 1, wherein: the guide element is a guide rail sliding block mechanism, the guide rail is arranged on the frame, the sliding block is fixedly connected with the stacking workbench, and the sliding block slides along the guide rail.
9. The polymer extrusion cast film automatic lamination apparatus as defined in claim 1, wherein: the transmission unit is a gear rack mechanism, and a rack extending along the front-back direction is fixed at the bottom of the stacking workbench.
10. The polymer extrusion cast film auto lamination apparatus as defined in claim 9, wherein: the driving unit comprises a servo motor, a motor mounting frame, two groups of bearing seats and a driving shaft; the servo motor is installed on the frame through the motor mounting bracket, and the drive shaft is installed on the frame through two sets of bearing frames, and the gear is installed on the drive shaft, and the servo motor meets with the drive shaft and drives the drive shaft rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420032050.7U CN221496839U (en) | 2024-01-05 | 2024-01-05 | Automatic lamination device for polymer extrusion casting film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420032050.7U CN221496839U (en) | 2024-01-05 | 2024-01-05 | Automatic lamination device for polymer extrusion casting film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221496839U true CN221496839U (en) | 2024-08-09 |
Family
ID=92134869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420032050.7U Active CN221496839U (en) | 2024-01-05 | 2024-01-05 | Automatic lamination device for polymer extrusion casting film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221496839U (en) |
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2024
- 2024-01-05 CN CN202420032050.7U patent/CN221496839U/en active Active
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