Cast film offcut recycling mechanism

Abstract

The utility model belongs to the technical field of cast film production, and particularly relates to a cast film offcut recycling mechanism which comprises an installation box, a smashing assembly is installed on the inner side of the middle of the installation box, a storage drawer is connected to the inner side of the bottom of the installation box in a sliding mode, and a driving motor and a servo motor are fixedly installed on the outer wall of the front end of the top of the installation box. The servo motor is located over the driving motor, a driving rod and a bidirectional lead screw are installed on a bearing on the inner side of the top end of the installation box, the front end of the bidirectional lead screw is fixedly connected with the output end of the servo motor, the front end of the driving rod is fixedly connected with the output end of the driving motor, and the rear end of the driving rod is fixedly connected with a second chain wheel. According to the device, cut leftover materials can be rapidly and timely crushed, waste materials can be conveniently transferred through the material storage drawer capable of being pulled out, recycling is facilitated, and the treatment efficiency is higher.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the cast film production technical field especially, and relates to a cast film edge material recycling mechanism. BACKGROUND

[0002] The cast film is a kind of flat extrusion film without stretching and orientation produced by melt casting and quenching.In the production and processing of cast film, we find that the neatness of the edge part of the cast film is not high, so in order to improve the quality of the cast film, the edge part of the cast film needs to be cut and then recycled.

[0003] At present, most of the existing cast film edge material recycling mechanisms on the market are not convenient to adjust the actual width of the cutting, or are not convenient to quickly crush the cut edge material, thereby affecting the subsequent recycling.Therefore, it is urgent to improve the existing cast film edge material recycling mechanism and provide a cast film edge material recycling mechanism with adjustable cutting width. UTILITY MODEL CONTENTS

[0004] The utility model aims at the deficiencies in the prior art, provides a cast film edge material recycling mechanism with reasonable design, simple structure, convenient adjustment of cutting width and quick crushing of edge material, to solve the problems in the prior art.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A cast film edge material recycling mechanism, comprising a mounting box, a crushing assembly is installed on the inner side of the middle part of the mounting box, a storage drawer is slidably connected to the inner side of the bottom of the mounting box, a drive motor and a servo motor are fixedly installed on the outer wall of the top front end of the mounting box, a bidirectional screw rod and a driving rod are installed on the inner side of the top end of the mounting box, the front ends of the bidirectional screw rod and the driving rod are fixedly connected to the output ends of the servo motor and the drive motor, two groups of edge material cutting assemblies are symmetrically arranged on the outer sides of the two ends of the driving rod, the spacing between the two groups of edge material cutting assemblies is controlled by the bidirectional screw rod, a second sprocket is fixedly connected to the rear end of the driving rod, and the second sprocket is linked with the crushing assembly through a chain.

[0007] Preferably, two guide plates are fixedly arranged on the inner walls of the left and right sides of the middle part of the mounting box in a symmetrical manner, and the two guide plates are arranged in an inverted "8" shape.

[0008] As preferred, the crushing assembly comprises a first crushing roller, a first sprocket, a second crushing roller, a gear, the first crushing roller and the second crushing roller are both bearing mounted on the inside of the middle part of the mounting box and are at the same horizontal height position, the rear end of the first crushing roller is fixedly connected with the first sprocket, the front end of the first crushing roller and the second crushing roller are both fixedly connected with the gear, and the two gears are meshed and connected.

[0009] As preferred, one end of the chain is sleeved on the outside of the first sprocket, and the other end of the chain is sleeved on the outside of the second sprocket.

[0010] As preferred, the driving rod comprises cylindrical segments at both ends and a square segment between the two cylindrical segments.

[0011] As preferred, the edge material cutting assembly comprises a mounting sleeve, a blade and a mounting frame, the mounting sleeve is slidingly sleeved on the outside of the middle square segment of the driving rod, the middle outside of the mounting sleeve is fixedly sleeved with the blade, the mounting frame is in inverted U shape, and the bottom left and right ends of the mounting frame are both bearing sleeved on the outside of the mounting sleeve.

[0012] As preferred, the top ends of the two mounting sleeves are respectively threadedly sleeved on the outside of the two ends of the bidirectional screw rod in reverse threaded rotation.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] In the scheme of the utility model, the bidirectional screw rod is controlled to rotate through the servo motor, so that the two groups of edge material cutting assemblies can be controlled to horizontally slide in opposite directions synchronously, the distance between the two groups of edge material cutting assemblies can be quickly adjusted, the cutting width of the cast film edge material can be adjusted, the mounting sleeve is slidingly sleeved on the outside of the middle square segment of the driving rod, the mounting sleeve can slide along the driving rod, and the driving rod can drive the mounting sleeve and the blade to rotate synchronously, so that the cast film can be stably cut.

[0015] The cast film edge material cut by the utility model can directly fall to the bottom of the mounting box and move to the position between the first crushing roller and the second crushing roller under the action of the two material guide plates, the first crushing roller can be driven to rotate through the second sprocket, the chain and the first sprocket when the driving rod rotates, the second crushing roller can be synchronously rotated in the opposite direction of the first crushing roller through the two meshed gears, so that the cut edge material can be quickly and timely crushed, the waste material can be conveniently transferred through the extractable storage drawer, recycling is facilitated, and the processing efficiency is higher. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and the drawings will be explained as follows.

[0017] Figure 1 It is the front view structure schematic drawing of the utility model;

[0018] Figure 2 It is the left view structure schematic drawing of the second sprocket and chain of the utility model;

[0019] Figure 3 It is the left view section structure schematic drawing of the whole of the utility model's smashing assembly;

[0020] Figure 4 It is the right view structure schematic drawing of the whole of the utility model's edge material cutting assembly;

[0021] Figure 5 It is the working state structure schematic drawing of the utility model.

[0022] In the drawing:

[0023] 1, casting machine body;2, installation box;3, guide plate;4, smashing assembly;41, first smashing roller;42, first sprocket;43, second smashing roller;44, gear;5, storage drawer;6, drive motor;7, drive rod;8, edge material cutting assembly;81, mounting sleeve;82, blade;83, mounting frame;9, second sprocket;10, chain;11, servo motor;12, bidirectional screw. Specific implementation

[0024] The following described embodiments are only a part of the embodiments of the utility model, and do not represent all embodiments consistent with the utility model. Now, combining with the drawings, the exemplary embodiments are described as follows:

[0025] As Figures 1-5 One of the utility model's cast film edge material recovery mechanism, it includes installation box 2, installation box 2 sets up in the output of casting machine body 1 and is located below the cast film, the inside of the middle part of installation box 2 is installed with smashing assembly 4, the inside of the bottom of installation box 2 is slidably connected with storage drawer 5, the top front end outer wall of installation box 2 is fixedly installed with drive motor 6 and servo motor 11, servo motor 11 is located directly above drive motor 6, the inside of the top end of installation box 2 is bearing installed with the bidirectional screw 12 and drive rod 7 that distribute up and down, the front end of bidirectional screw 12 is fixedly connected with the output end of servo motor 11, the front end of drive rod 7 is fixedly connected with the output end of drive motor 6, the both ends of drive rod 7 are symmetrically provided with two groups of edge material cutting assembly 8, the spacing between the two groups of edge material cutting assembly 8 is controlled by bidirectional screw 12, the rear end of drive rod 7 is fixedly connected with second sprocket 9, second sprocket 9 is linked with smashing assembly 4 through chain 10.

[0026] As a preferred implementation, on the basis of the above structure, further, two material guiding plates 3 are symmetrically fixed on the left and right inner walls of the middle part of the installation box 2, and the two material guiding plates 3 are arranged in an inverted "8" shape.

[0027] In this embodiment, the use of two material guiding plates 3 facilitates the guiding of the cut-off cast film edge material to the crushing assembly 4.

[0028] As a preferred implementation, on the basis of the above structure, further, the crushing assembly 4 includes a first crushing roller 41, a first sprocket 42, a second crushing roller 43, and a gear 44. The first crushing roller 41 and the second crushing roller 43 are both bearing-mounted on the inner side of the middle part of the installation box 2 and are at the same horizontal height position. The rear end of the first crushing roller 41 is fixedly connected with the first sprocket 42. The front end of both the first crushing roller 41 and the second crushing roller 43 is fixedly connected with the gear 44, and the two gears 44 are meshingly connected.

[0029] As a preferred implementation, on the basis of the above structure, further, one end of the chain 10 is sleeved on the outside of the first sprocket 42, and the other end of the chain 10 is sleeved on the outside of the second sprocket 9.

[0030] In this embodiment, the use of the chain 10 facilitates the control of the operation of the crushing assembly 4 when the control driving rod 7 is rotating. The use of the two meshing gears 44 can control the reverse rotation of the first crushing roller 41 and the second crushing roller 43, which facilitates the rapid and timely crushing of the edge material.

[0031] As a preferred implementation, on the basis of the above structure, further, the driving rod 7 includes cylindrical sections at both ends and a square section between the two cylindrical sections.

[0032] As a preferred implementation, on the basis of the above structure, further, the edge cutting assembly 8 includes a mounting sleeve 81, a blade 82, and a mounting bracket 83. The mounting sleeve 81 is slidingly sleeved on the outside of the middle square section of the driving rod 7. The mounting sleeve 81 has the blade 82 fixedly sleeved on the outside of the middle part. The mounting bracket 83 is in an inverted U shape, and the bottom left and right ends of the mounting bracket 83 are both bearing-sleeved on the outside of the mounting sleeve 81.

[0033] In this embodiment, the use of the square section of the driving rod 7 allows the mounting sleeve 81 to slide along the driving rod 7 while also facilitating the synchronous rotation of the driving rod 7, the mounting sleeve 81, and the blade 82, which facilitates the cutting of the cast film edge material.

[0034] As a preferred implementation, on the basis of the above structure, further, the top ends of the two mounting sleeves 81 are respectively threadedly sleeved on the outside of the two ends of the bidirectional screw rod 12 with reverse thread rotation.

[0035] In the embodiment, the distance between the two groups of edge cutting assemblies 8 can be controlled by rotating the bidirectional screw rod 12, so that the cutting width of the cast film edge can be quickly adjusted.

[0036] The working principle of the utility model is as follows:

[0037] When installing, the cast film edge recycling mechanism of the utility model is installed at the output end of the casting machine body 1, and preferably the installation box 2 is arranged between the two conveying rollers at the output end of the casting machine body 1 and below the cast film.

[0038] When using, first determine the cutting width of the cast film edge, control the rotation of the bidirectional screw rod 12 by starting the servo motor 11, so that the two groups of edge cutting assemblies 8 can be synchronously moved along the square section of the driving rod 7 in opposite directions, so as to adjust the distance between the two groups of edge cutting assemblies 8, thereby achieving quick adjustment of the cutting width of the cast film edge; when the adjustment is completed, the driving motor 6 can be started to stably rotate the installation sleeve 81 and the blade 82 through the driving rod 7, so that the cast film edge can be stably cut.

[0039] The cut cast film edge can fall downward and move between the first crushing roller 41 and the second crushing roller 43 under the action of the two guide plates 3, and when the driving rod 7 rotates, the first crushing roller 41 can be driven to rotate through the second sprocket 9, the chain 10 and the first sprocket 42, and the second crushing roller 43 can be synchronously rotated in the opposite direction of the first crushing roller 41 through the two meshing gears 44, so that the cut cast film edge can be quickly and timely crushed, and the waste material can be collected and transferred through the separately extracted and disassembled storage drawer 5, which is beneficial to the recycling of waste materials and has higher processing efficiency.

[0040] The above is only a preferred embodiment of the utility model, and does not limit the protection scope of the utility model; any equivalent changes, modifications, replacements and variations made by the technical personnel in the technical field on the basis of the existing technology through logical analysis, reasoning or limited experiments according to the concept of the utility model shall be within the protection scope determined by the claims.

Claims

1. A cast film scrap recovery mechanism characterized by: It include installation box (2), the inside of the middle part of installation box (2) is installed with the crushing assembly (4), the inside of the bottom of installation box (2) is slidably connected with the storage drawer (5), the top front end outer wall of installation box (2) is fixedly installed with drive motor (6) and servo motor (11), the top inside of installation box (2) is bearing installed with the bidirectional screw rod (12) and drive rod (7) that distribute up and down, the front end of bidirectional screw rod (12) and drive rod (7) is fixedly connected with the output of servo motor (11) and drive motor (6) respectively, the both ends of drive rod (7) are symmetrically provided with two groups of edge material cutting assembly (8) outside, the spacing of two groups of edge material cutting assembly (8) is controlled by bidirectional screw rod (12), the rear end of drive rod (7) is fixedly connected with second sprocket (9), second sprocket (9) is linked with crushing assembly (4) through chain (10).

2. A cast film scrap recovery mechanism according to claim 1, characterized in that: The inside of the middle part of installation box (2) is symmetrically fixed with two guide plates (3) on the left and right side walls, two guide plates (3) are arranged in inverted "eight" shape.

3. A cast film scrap recovery mechanism according to claim 1, wherein: The crushing assembly (4) includes first crushing roller (41), first sprocket (42), second crushing roller (43), gear (44), first crushing roller (41) and second crushing roller (43) are both bearing installed in the inside of the middle part of installation box (2) and are at the same horizontal height position, the rear end of first crushing roller (41) is fixedly connected with first sprocket (42), the front end of first crushing roller (41) and second crushing roller (43) is fixedly connected with gear (44), two gears (44) are meshed and connected.

4. A cast film scrap recovery mechanism according to claim 3, wherein: One end of chain (10) is sleeved on the outside of first sprocket (42), the other end of chain (10) is sleeved on the outside of second sprocket (9).

5. A cast film scrap recovery mechanism according to claim 1, wherein: The drive rod (7) includes a cylindrical segment at both ends and a square segment between the two cylindrical segments.

6. A cast film scrap recovery mechanism according to claim 1, wherein: The edge material cutting assembly (8) includes mounting sleeve (81), blade (82) and mounting bracket (83), the mounting sleeve (81) is slidably sleeved on the outside of the middle square segment of drive rod (7), the middle outside of mounting sleeve (81) is fixedly sleeved with blade (82), the mounting bracket (83) is inverted U-shaped, the bottom left and right ends of mounting bracket (83) are both bearing sleeved on the outside of mounting sleeve (81).

7. A cast film scrap recovery mechanism according to claim 6, wherein: The top end of two mounting sleeves (81) is respectively threadedly sleeved on the outside of the two ends of bidirectional screw rod (12) with reverse thread rotation.

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