Perforating device for heat shrink film production

Abstract

The utility model provides a perforating device for heat shrink film production, which comprises a device plate and a support frame, the device plate is mounted at the top of the support frame, rolling and placing components are arranged at two ends of the device plate, a movable support plate is mounted at the output end of a driving component, and a perforating structure is arranged at the bottom of the middle of the movable support plate. Pre-pressing assemblies are arranged at the two ends of the movable supporting plate, and buffering tensioning assemblies are arranged on the two end sides of the movable supporting plate. According to the punching device for producing the heat shrink film, the buffering tensioning assemblies are arranged at the two ends of the punching device, the relatively fixed position is kept in the punching process, deviation of the punching position caused by shaking or shifting of the film is avoided, and therefore the punching accuracy and consistency are guaranteed, and meanwhile the punching efficiency is improved. And a buffer effect can be achieved on the shrink film. And the pre-pressing assemblies arranged at the two ends of the device can press the shrink film needing to be punched in advance, and the elastic deviation, caused by tensioning of the two ends, of the shrink film is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to shrink film punching equipment technical field especially relates to a kind of punching device for heat shrink film production. BACKGROUND

[0002] As a kind of packaging material widely used in food, medicine, daily chemical industry etc., heat shrink film has good flexibility, transparency and shrinkage, can effectively protect product and enhance the appearance attraction of product.In the production process of heat shrink film, in order to meet different packaging needs, punching operation is often carried out on film.

[0003] The existing device usually adopts manual punching tool or some simple mechanical punching device in punching operation.These methods are not only inefficient, but also difficult to guarantee punching precision, and when carrying out punching process, shrink film at punching position is prone to hole position deviation, aperture unevenness and tension deficiency.

[0004] Therefore, it is necessary to provide a kind of punching device for heat shrink film production to solve the above technical problems. INVENTION CONTENTS

[0005] The utility model provides a kind of punching device for heat shrink film production, solve the problem that shrink film at punching position is prone to hole position deviation, aperture unevenness and tension deficiency when carrying out punching process.

[0006] To solve the above technical problems, the utility model provides a kind of punching device for heat shrink film production, including: device plate, support frame, the device plate is installed at support frame top, for the position stability of device plate, the device plate both ends are provided with winding rest subassembly, for the position winding of shrink film, the device plate top inner wall is installed with mounting frame, the mounting frame top is installed with drive assembly, the drive assembly output end is installed with mobile support plate, for the internal structure installation of mounting frame, the mobile support plate middle bottom is provided with punching structure, the mobile support plate both ends are provided with pre-pressing subassembly, for the position press of shrink film in device plate inner wall, the mobile support plate both ends side is provided with buffer tensioning subassembly, for the tensioning treatment of inner wall shrink film, the device plate both ends is set with sliding cavity, for the position sliding of buffer tensioning subassembly.

[0007] Preferably, the winding rest subassembly includes mounting frame, the mounting frame is installed at device plate both ends, the mounting frame one end inner wall is provided with raw material rest roller, for the raw material rest of shrink film, another the mounting frame side end inner wall is installed with winding roller, for the driving winding of shrink film.

[0008] Preferably, the driving assembly comprises a telescopic cylinder, a controller, the telescopic cylinder is installed in the inner wall of the top of the mounting frame, an electric telescopic rod is installed at the output end of the telescopic cylinder, and the electric telescopic rod is used for moving and lifting the position of the supporting plate, and the controller is installed at the side end of the mounting frame and is used for controlling the operation of the whole device.

[0009] Preferably, the punching structure comprises a punching device block and a punching groove, a plurality of punching heads are arranged on the inner wall of the bottom of the punching device block, connecting angle steels are installed at both ends of the punching device block and are used for fastening the position of the punching device block, and the punching groove is arranged in the inner wall of the middle of the device plate and is used for the structure use of the punching head.

[0010] Preferably, the pre-pressing assembly comprises a fixed frame, telescopic pieces are arranged at both ends of the fixed frame, a pressing plate is installed at the bottom of the telescopic piece and is used for pre-pressing the shrink film, and sponge cushion layers are installed on the inner wall of the pressing plate.

[0011] Preferably, the buffer tensioning assembly comprises a mounting block, a rotating rod is installed at the side end of the mounting block, a rotating buffer frame is rotatably arranged at the side end of the rotating rod, connecting elastic pieces are arranged at both ends of the rotating buffer frame and are used for buffer resetting of the workpiece of the rotating buffer frame, sliding grooves are arranged at both ends of the rotating buffer frame, a resetting frame is slidably arranged in the rotating buffer frame, sliding blocks are installed at both ends of the resetting frame and are used for position sliding of the resetting frame, elastic pieces are arranged at the bottom of the sliding blocks and are used for position resetting of the resetting frame, and tensioning rollers are installed between the inner walls of the resetting frame and are used for tensioning treatment of the shrink film.

[0012] Compared with the related art, the punching device for heat shrink film production has the following beneficial effects:

[0013] The punching device for heat shrink film production can keep a relatively fixed position in the punching process, avoid deviation of the punching position caused by shaking or displacement of the film, ensure accuracy and consistency of the punching, buffer the shrink film, reduce damage of the impact force to the film, protect the integrity of the shrink film, and pre-press the shrink film that needs to be punched, reduce elastic deviation of the shrink film caused by tensioning at both ends. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The structure diagram of a preferred embodiment of the punching device for heat shrink film production is provided.

[0015] Figure 2 The structure diagram of a preferred embodiment of the punching device for heat shrink film production is provided. Figure 1The diagram shows the structural design of the mounting frame.

[0016] Figure 3 for Figure 1 The diagram shows the structure of the sliding cavity;

[0017] Figure 4 for Figure 1 The diagram shows the structure of the telescopic cylinder.

[0018] Figure 5 for Figure 1 The diagram shows the structure of the tensioning roller.

[0019] The diagram is labeled as follows: 1. Device plate, 2. Support frame, 3. Rewinding and resting assembly, 31. Mounting frame, 32. Raw material resting roller, 33. Rewinding roller, 4. Mounting frame, 5. Drive assembly, 51. Telescopic cylinder, 52. Electric telescopic rod, 53. Controller, 6. Moving support plate, 7. Drilling structure, 71. Drilling device block, 72. Drilling head, 73. Connecting angle steel, 74. Drilling groove, 8. Pre-tightening assembly, 81. Fixed frame, 82. Telescopic component, 83. Pressing plate, 84. Sponge pad, 9. Buffer tensioning assembly, 91. Mounting block, 92. Rotating rod, 93. Rotating buffer frame, 94. Connecting elastic component, 95. Sliding groove, 96. Reset frame, 97. Sliding block, 98. Elastic component, 99. Tensioning roller, 10. Sliding cavity. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic diagram of a preferred embodiment of a perforation device for producing heat shrink film provided by this utility model; Figure 2 for Figure 1 The diagram shows the structural design of the mounting frame. Figure 3 for Figure 1 The diagram shows the structure of the sliding cavity; Figure 4 for Figure 1 The diagram shows the structure of the telescopic cylinder. Figure 5 for Figure 1The diagram shows the structure of the tensioning roller. A perforation device for heat shrink film production includes: a device plate 1 and a support frame 2. The device plate 1 is mounted on top of the support frame 2 for stabilizing its position. Winding and resting components 3 are provided at both ends of the device plate 1 for winding the shrink film. An installation frame 4 is installed on the inner wall of the top of the device plate 1. A drive component 5 is installed on the top of the installation frame 4. A movable support plate 6 is installed at the output end of the drive component 5 for mounting the internal structure of the installation frame 4. A perforation structure 7 is provided at the bottom center of the movable support plate 6. Pre-pressing components 8 are provided at both ends of the movable support plate 6 for pressing the shrink film on the inner wall of the device plate 1. Buffer tensioning components 9 are provided on both sides of the movable support plate 6 for tensioning the shrink film on the inner wall. Sliding cavities 10 are provided at both ends of the device plate 1 for buffering the sliding of the tensioning components 9.

[0022] The winding and placing assembly 3 includes a mounting frame 31, which is installed at both ends of the device plate 1. A raw material placing roller 32 is provided on the inner wall of one end of the mounting frame 31 for placing the raw material of the shrink film. A winding roller 33 is installed on the inner wall of the other side end of the mounting frame 31 for driving the winding of the shrink film.

[0023] The winding and placing components 3 at both ends of the device can automatically wind and place the shrink film according to its position, thereby improving the ease of use of the entire device and reducing manual intervention by staff.

[0024] The winding and resting assembly 3 includes, but is not limited to, manual operation and electric control; in this embodiment, the winding and resting assembly 3 is preferably electrically controlled.

[0025] The drive assembly 5 includes a telescopic cylinder 51 and a controller 53. The telescopic cylinder 51 is installed on the inner wall of the top of the mounting frame 4. An electric telescopic rod 52 is installed at the output end of the telescopic cylinder 51 for moving the support plate 6 up and down. The controller 53 is installed on the side of the mounting frame 4 for controlling the operation of the entire device.

[0026] The telescopic cylinder 51 and controller 53 installed inside the device facilitate operation by staff, thereby improving the automation control of the device.

[0027] The drive component 5 includes, but is not limited to, motor drive, hydraulic drive, and pneumatic drive; in this embodiment, the drive component 5 is preferably pneumatically driven.

[0028] The punching structure 7 comprises a punching device block 71, and a punching groove 74, a plurality of punching heads 72 are arranged on the inner wall of the bottom of the punching device block 71, connecting angle steels 73 are arranged at both ends of the punching device block 71, and are used for position fastening of the punching device block 71, and the punching groove 74 is arranged on the inner wall of the middle of the device plate 1, and is used for structure use of the punching head 72.

[0029] When the punching process is performed on the shrink film on the inner wall, the bottom punching head 72 is limited to the inside of the punching groove 74 on the inner wall under the driving of the driving assembly 5, and under the control of meeting the punching requirement, the structure limitation of the workpiece on the punching head 72 can be reduced.

[0030] The punching structure 7 comprises but is not limited to mechanical punch punching, rotary cutter punching and laser punching, and in the embodiment, the punching structure 7 is preferably mechanical punch punching.

[0031] The pre-pressing assembly 8 comprises a fixed frame 81, elastic members 82 are arranged at both ends of the fixed frame 81, a pressing plate 83 is arranged at the bottom of the elastic member 82, and is used for pre-pressing of the shrink film, and sponge cushion layers 84 are arranged on the inner wall of the pressing plate 83.

[0032] When the top moving support plate 6 is lifted, the pressing plates 83 at both ends are pre-pressed under the elastic support of the elastic members 82, the deformation of the shrink film at the punching position is reduced, and then the punching effect of the device is affected.

[0033] The pre-pressing assembly 8 comprises but is not limited to rubber roller pressing and pressing plate type pressing, and in the embodiment, the pre-pressing assembly 8 is preferably pressing plate type pressing.

[0034] The buffer tensioning assembly 9 comprises a mounting block 91, rotating rods 92 are arranged at the side ends of the mounting block 91, rotating buffer frames 93 are arranged at the side ends of the rotating rods 92, connecting elastic members 94 are arranged at both ends of the rotating buffer frames 93, and are used for workpiece buffer reset of the rotating buffer frames 93, sliding grooves 95 are arranged at both ends of the rotating buffer frames 93, reset frames 96 are slidably arranged in the rotating buffer frames 93, sliding blocks 97 are arranged at both ends of the reset frames 96, and are used for position sliding of the reset frames 96, elastic members 98 are arranged at the bottom of the sliding blocks 97, and are used for position reset of the reset frames 96, tensioning roller cylinders 99 are arranged on the inner wall of the reset frames 96, and are used for tensioning treatment of the shrink film.

[0035] When the buffer tensioning assembly 9 at both ends of the device resets and presses the shrink film, the rotating buffer frame 93 at both ends will rotate along the position of the rotating rod 92, and under the connection of the connecting elastic member 94 at both ends, the rotating buffer frame 93 will reset the workpiece, and then under the continuous driving control, the tensioning roller 99 at the side end will slide along the position of the sliding cavity 10, and when sliding in position, the shrink film at both ends will be pressed and pressed, so as to improve the processing quality of the device.

[0036] Preferably, the buffer tensioning assembly 9 is a spring buffer support.

[0037] The working principle of the perforating device for heat shrink film production is as follows:

[0038] When the device is perforating the shrink film, first, the shrink film raw material is wound and placed on the inner wall of the winding placement assembly 3, then the driving assembly 5 at the top of the mounting frame 4 drives the position of the whole moving support plate 6 to move, thereby perforating the shrink film, while the position is lifted, the pre-pressing assembly 8 at both ends pre-presses the shrink film on the inner wall, reduces the deformation of the shrink film at the perforation position, and at the same time, the buffer tensioning assembly 9 at both sides is continuously driven to perform rotating pressing treatment, at this time, the buffer tensioning assembly 9 at both sides slides in the sliding cavity 10 and resets the buffer pressing to the inner wall of the shrink film at both ends, so as to ensure the position tensioning of the shrink film.

[0039] Compared with the related art, the perforating device for heat shrink film production has the following beneficial effects:

[0040] When the device is perforating the shrink film, in order to improve the use effect of the device, the buffer tensioning assembly 9 at both ends of the device maintains a relatively fixed position during perforation, avoids deviation of the perforation position caused by shaking or displacement of the film, thereby ensuring the accuracy and consistency of perforation, and at the same time, the buffer tensioning assembly 9 at both ends can buffer the shrink film, reduce damage to the film caused by impact force, and is beneficial to protecting the integrity of the shrink film, especially for thinner or lower strength shrink films. And the pre-pressing assembly 8 at both ends of the device can pre-press the shrink film to be perforated, reducing the elastic deviation of the shrink film caused by tension at both ends.

[0041] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process conversion using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A punching device for heat shrink film production, characterized by, Include: The device plate, support frame, the device plate is installed on the top of the support frame for the position stability of the device plate, the device plate is provided with a winding rest component at both ends, which is used for the position winding of the shrink film, the mounting frame is installed on the inner wall of the top of the device plate, the driving assembly is installed on the top of the mounting frame, the moving support plate is installed on the output end of the driving assembly, which is used for the internal structure installation of the mounting frame, the punching structure is provided in the middle bottom of the moving support plate, the pre-pressing assembly is provided at both ends of the moving support plate, which is used for the position pressing of the inner wall shrink film, the buffer tensioning assembly is provided at both ends of the moving support plate, which is used for the tensioning treatment of the inner wall shrink film, the sliding cavity is opened at both ends of the device plate, which is used for the position sliding of the buffer tensioning assembly.

2. The perforating device for heat shrink film production according to claim 1, wherein The winding rest component includes a mounting frame, the mounting frame is installed at both ends of the device plate, the inner wall of one end of the mounting frame is provided with a raw material rest roller, which is used for the raw material rest of the shrink film, the other end of the mounting frame is provided with a winding roller, which is used for the driving winding of the shrink film.

3. The perforating device for heat shrink film production according to claim 1, wherein The driving assembly includes a telescopic cylinder and a controller, the telescopic cylinder is installed on the inner wall of the top of the mounting frame, the electric telescopic rod is installed on the output end of the telescopic cylinder, which is used for the position lifting of the moving support plate, the controller is installed on the side end of the mounting frame, which is used for the control operation of the whole device.

4. The perforating device for heat shrink film production of claim 1, wherein, The punching structure includes a punching device block and a punching groove, the inner wall of the bottom of the punching device block is provided with a plurality of punching heads, the connecting angle steel is installed at both ends of the punching device block, which is used for the position fastening of the punching device block, the punching groove is opened in the inner wall of the middle of the device plate, which is used for the structure use of the punching head.

5. The perforating device for heat shrink film production according to claim 1, wherein The pre-pressing assembly includes a fixed frame, the telescopic piece is provided at both ends of the fixed frame, the pressing plate is installed at the bottom of the telescopic piece, which is used for the pre-pressing of the shrink film, the sponge pad is installed on the inner wall of the pressing plate.

6. The perforating device for heat shrink film production of claim 1, wherein, The buffer tensioning assembly includes a mounting block, the rotating rod is installed on the side end of the mounting block, the rotating buffer frame is rotated on the side end of the rotating rod, the connecting elastic piece is provided at both ends of the rotating buffer frame, which is used for the workpiece buffer reset of the rotating buffer frame, the sliding groove is opened at both ends of the rotating buffer frame, the reset frame is slid in the rotating buffer frame, the sliding block is installed at both ends of the reset frame, which is used for the position sliding of the reset frame, the elastic piece is provided at the bottom of the sliding block, which is used for the position reset of the reset frame, the tensioning roller is installed between the inner walls of the reset frame, which is used for the tensioning treatment of the shrink film.

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