CN113844735B

CN113844735B - PE film automatic disassembly and segmentation machine

Info

Publication number: CN113844735B
Application number: CN202111145466.7A
Authority: CN
Inventors: 钟火炎
Original assignee: Suzhou Century Electronics Co ltd
Current assignee: Suzhou Century Electronics Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2023-06-27
Anticipated expiration: 2041-09-28
Also published as: CN113844735A

Abstract

The invention discloses an automatic PE film splitting machine which comprises a support module, wherein the support module comprises a first support frame and a second support frame which are symmetrically arranged, and a top plate used for connecting the first support frame and the second support frame, and a conveying table is arranged between the first support frame and the second support frame; the arrangement module comprises a first supporting plate and a second supporting plate which are identical in structure and are symmetrically arranged, and a first driving part connected with the first supporting plate and the second supporting plate; the cutting module comprises a first cutting piece and a second cutting piece which are identical in structure and are symmetrically arranged, the first cutting piece is fixed on the first supporting frame, and the second cutting piece is fixed on the second supporting frame; the invention provides an implementation mode which has reasonable structure, easy implementation, simple and reliable control and low cost, and can automatically cut according to the size of materials and the position of a PE film; the manpower resource waste when the PE winding film is manually disassembled is solved, and the production efficiency is improved.

Description

PE film automatic disassembly and segmentation machine

Technical Field

The invention relates to the technical field of industrial automation, in particular to an automatic PE film splitting machine.

Background

The PE winding film has good protection performance and good fixity, can fill the package of irregular articles, has self-adhesive property, and can tightly package the articles; the wrapping film is attractive in package, so that hard products can be tightly attached to soft products and can be contracted; meanwhile, the packaging cost can be effectively saved, the labor intensity of workers is reduced, and the packaging efficiency and grade are improved.

The PE winding film has the characteristics that at present, after material stacking on a logistics warehouse and a factory tray is finished, a manual or automatic winding machine is adopted to wind the PE winding film. However, when the material is transported to the destination, the film still needs to be manually detached, and the action is time-consuming and labor-consuming, so that the mechanism capable of automatically detaching the PE film is provided for reducing the waste of human resources and improving the production efficiency.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the invention, which should not be used to limit the scope of the invention.

The present invention has been made in view of the problems occurring in the prior art.

Therefore, the technical problem to be solved by the invention is that the film is manually detached after the material is transported to the destination due to the characteristics of the traditional PE wound film, which not only takes a long time, but also wastes manpower

In order to solve the technical problems, the invention provides the following technical scheme: the PE film automatic splitting machine comprises a supporting module, wherein the supporting module comprises a first supporting frame and a second supporting frame which are symmetrically arranged, and a top plate used for connecting the first supporting frame and the second supporting frame, and a conveying table is arranged between the first supporting frame and the second supporting frame; the arrangement module comprises a first supporting plate and a second supporting plate which are identical in structure and are symmetrically arranged, and a first driving part connected with the first supporting plate and the second supporting plate; the cutting module comprises a first cutting piece and a second cutting piece which are identical in structure and symmetrically arranged, wherein the first cutting piece is fixed on a first supporting frame, and the second cutting piece is fixed on a second supporting frame.

As a preferable scheme of the PE film automatic splitting machine, the invention comprises the following steps: the first support plate is connected with the second support plate through the mounting plate, the first driving part comprises a first gear motor, a left-handed nut and a right-handed nut, the first gear motor is mounted on the mounting plate, and the left-handed nut and the right-handed nut are sleeved on a driving shaft of the first gear motor.

As a preferable scheme of the PE film automatic splitting machine, the invention comprises the following steps: the telescopic plates are arranged on the first supporting plate and the second supporting plate, the arrangement plates are fixedly arranged at the other ends of the telescopic plates, the two arrangement plates are arranged oppositely, and the left-handed nut and the right-handed nut are respectively connected with the two arrangement plates.

As a preferable scheme of the PE film automatic splitting machine, the invention comprises the following steps: the first cutting part comprises an ultrasonic scribing cutter, a support and a sliding block, fixed side plates are arranged on the first support frame and the second support frame, sliding rails are arranged on the fixed side plates, the sliding block is arranged on the sliding rails and connected with the support, the ultrasonic scribing cutter is arranged on the support, a first air cylinder is arranged at the bottom of the support, and the first air cylinder is connected with the ultrasonic scribing cutter.

As a preferable scheme of the PE film automatic splitting machine, the invention comprises the following steps: the cutting module further comprises servo motors, the servo motors are respectively arranged on the two opposite sides of the fixed side plates, ball screw nuts are arranged on the driving shafts of the servo motors, and the ball screw nuts are fixedly connected with the sliding blocks.

As a preferable scheme of the PE film automatic splitting machine, the invention comprises the following steps: the opposite side of the fixed side plate is provided with a guide shaft, the other end of the guide shaft is provided with a sponge sucker through a linear bearing, the fixed side plate is also provided with second air cylinders, the number of the second air cylinders corresponds to that of the guide shaft, and the second air cylinders are connected with the sponge sucker; the fixed side plate of the first support frame is connected with the fixed side plate of the second support frame through a second driving part, the second driving part has the same structure as the first driving part, and the left-handed nut and the right-handed nut are respectively connected with the two sponge suckers.

As a preferable scheme of the PE film automatic splitting machine, the invention comprises the following steps: the locking module comprises a pushing circular plate, two clamping blocks and an operating piece, wherein the two clamping blocks are symmetrically arranged, a vertical groove is formed in the fixed side plate, the pushing circular plate is installed on the fixed side plate and connected in a rotating mode, two straight notches are formed in the circumference of the pushing circular plate, one end of each clamping block is vertically provided with a circular shaft, the circular shaft penetrates through each straight notch and is embedded in the corresponding vertical groove, a clamping block is arranged at the other end of each clamping block, one side of each sliding block protrudes out of each extending square, clamping grooves are symmetrically formed in each square, and the clamping grooves are matched with the corresponding clamping blocks; the control piece is connected with the pushing circular plate.

As a preferable scheme of the PE film automatic splitting machine, the invention comprises the following steps: the control piece comprises a fixed circular plate and a rotating block, the fixed circular plate is fixedly connected with the pushing circular plate, a connecting shaft is arranged on the pushing circular plate, the connecting shaft penetrates through the fixed circular plate and is provided with a hollow circular tube, and the rotating block penetrates through the outer wall of the hollow circular tube, stretches into the hollow circular tube and is matched with a ratchet arranged on the inner wall of the hollow circular tube.

As a preferable scheme of the PE film automatic splitting machine, the invention comprises the following steps: the rotating block comprises a rotating shaft, a hollow pipe and a protruding block, wherein the hollow pipe is arranged in the hollow circular pipe, the rotating shaft penetrates through the outer wall of the hollow circular pipe to be connected with the hollow pipe, a circular plate is eccentrically arranged on the rotating shaft, and the protruding block is elastically connected to the outer wall of the hollow pipe and matched with the ratchet.

As a preferable scheme of the PE film automatic splitting machine, the invention comprises the following steps: the hollow pipe outer wall is provided with a through groove, two sides of the lug are elastically connected with the hollow pipe outer wall, the top of the lug is matched with the ratchet, the bottom of the lug is matched with the circular plate, and the circular plate is provided with a square groove.

The invention has the beneficial effects that: the invention provides an implementation mode with reasonable structure, easy realization, simple and reliable control and cost within a controllable range on the technical level, and the invention can automatically cut according to the size of the material and the position of the PE film and avoid scratching the surface of the material. Meanwhile, at the application level: the manpower resource waste during manual dismantling of the PE wound film is solved, and the production efficiency is improved; the PE film is prevented from being cut to scratch the surface of the material or package.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is an assembly view of a support module, a finishing module and a cutting module in the first and second embodiments.

Fig. 2 is a left side view of fig. 1 in a first embodiment.

Fig. 3 is a right side view of fig. 1 in a second embodiment.

Fig. 4 is a block diagram of a lock module in a third embodiment.

Fig. 5 is an exploded view of a locking module in a third embodiment.

Fig. 6 is an exploded connection diagram of an operation piece in a third embodiment.

Fig. 7 is an assembly view of a locking module in a third embodiment.

Detailed Description

In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 and 2, a first embodiment of the present invention provides an automatic PE film splitting machine, which includes a support module 100, a finishing module 200, and a cutting module 300.

The supporting module 100 includes a first supporting frame 101 and a second supporting frame 102 which are symmetrically arranged, and a top plate 103 for connecting the first supporting frame 101 and the second supporting frame 102, a certain space is formed between the first supporting frame 101 and the second supporting frame 102, a conveying table 104 is arranged between the first supporting frame 101 and the second supporting frame 102, cargoes are piled on the cargoes and then placed on the conveying table 104, and a belt can drive the cargoes to be conveyed on the conveying table 104, namely, the cargoes are conveyed from one end of the supporting module 100 to the other end of the supporting module 100.

Two processes are provided in the support module 100 when the transport table 104 is transported: the finishing module 200 achieves finishing and trimming of cargoes, the cutting module 300 can cut PE wound on the cargoes through a grinding machine, labor is saved, efficiency is improved, and labor cost is reduced.

Further, the finishing module 200 includes a first support plate 201 and a second support plate 202 which are identical in structure and are symmetrically disposed, and a first driving part 203 connecting the first support plate 201 and the second support plate 202. The cutting module 300 includes a first cutting member 301 and a second cutting member 302 which are identical in structure and symmetrically arranged, the first cutting member 301 is fixed on the first supporting frame 101, and the second cutting member 302 is fixed on the second supporting frame 102.

The first support plate 201 and the second support plate 202 are fixedly attached to the top plate 103 and are attached by the mounting plate 105.

The first driving section 203 includes a first gear motor 203a, a left-hand nut 203b, and a right-hand nut 203c. Specifically, the first gear motor 203a is mounted on the bottom of the mounting plate 105, and the left-handed nut 203b and the right-handed nut 203c are sleeved on the driving shaft of the first gear motor 203 a.

Further, the first support plate 201 and the second support plate 202 are respectively provided with a telescopic plate 201a, the other end of the telescopic plate 201a is fixedly provided with a tidying plate 201b, and the tidying plate 201b is arranged in parallel with the first support plate 201 and the second support plate 202. Two collating plates 201b are oppositely disposed and located on both sides above the transfer table 104, and the cargo plate passes between the two collating plates 201 b.

A sensor may be disposed at the center of the mounting plate 105, and when the sensor detects the goods, the conveying table 104 is stopped, so that the goods plate is located between the two sorting plates 201b, the first speed reducing motor 203a is driven, the driving shaft of the first speed reducing motor 203a rotates, and the left-handed nut 203b and the right-handed nut 203c approach to the middle due to the opposite threads of the left-handed nut 203b and the right-handed nut 203c. The left-hand nut 203b and the right-hand nut 203c are respectively connected with the two sorting plates 201b, and when the left-hand nut 203b and the right-hand nut 203c move, the two sorting plates 201b are driven to approach to the middle, and then the middle goods are pushed in order to prepare for the next process.

Example 2

Referring to fig. 1, 3 and 4, in a second embodiment of the present invention, based on the previous embodiment, a fixed side plate 101a is provided on each of the first supporting frame 101 and the second supporting frame 102, and a first cutting member 301 and a second cutting member 302 are movably provided on the fixed side plate 101 a.

The first cutting member 301 and the second cutting member 302 are identical in structure, and the first cutting member 301 includes an ultrasonic blade 301a, a holder 301b, and a slider 301c. Specifically, a sliding rail 101b is arranged on the fixed side plate 101a, a sliding block 301c is arranged on the sliding rail 101b and connected with a support 301b, an ultrasonic wave cutter 301a is arranged on the support 301b, a first air cylinder 301b-1 is arranged at the bottom of the support 301b and connected with the ultrasonic wave cutter 301a, and the first air cylinder 301b-1 can drive the position of the ultrasonic wave cutter 301a on the support 301b, so that the ultrasonic wave cutter 301a is convenient to adjust, and the ultrasonic wave cutter 301a corresponds to the PE film position. The slider 301c slides on the slide rail 101b, and the ultrasonic blade 301a descends together with the slider 301c when the slider is dropped.

Further, the cutting module 300 further includes a servo motor 303, the servo motor 303 is respectively mounted on one surface of the two fixed side plates 101a, a ball screw 303a is disposed on a driving shaft of the servo motor 303, and the ball screw 303a is fixedly connected with a slider 301c. When the position of the cargo is detected by the sensor located between the first cutting member 301 and the second cutting member 302, the transport table 104 is stopped so that the cargo is located between the first cutting member 301 and the second cutting member 302, and the servo motor 303 drives the ball screw 303a to drive the slider 301c to slide along the slide rail 101 b.

The opposite side of the fixed side plate 101a is provided with a guide shaft 304, the other end of the guide shaft 304 is connected with a sponge sucker 305 through a linear bearing 307, the fixed side plate 101a is also provided with second air cylinders 306, the number of the second air cylinders 306 corresponds to that of the guide shaft 304, the second air cylinders 306 are connected with the sponge sucker 305, and a connecting plate which is convenient to stretch and retract can be arranged between the sponge sucker 305 and the second air cylinders 306 for fixing. In order to consolidate the connection, the drive end of second cylinder 306 sets up vertical straight board, and the straight board is connected to flexible connecting plate one end, and sponge sucking disc 305 is connected to the other end, and linear bearing 307 and connecting plate parallel arrangement, second cylinder 306 can bleed and release the pressure to sponge sucking disc 305.

Further, the fixed side plate 101a of the first supporting frame 101 and the fixed side plate 101a of the second supporting frame 102 are connected by the second driving portion 307. Specifically, the second driving portion 307 may be disposed on the top plate 103, the fixed side plate 101a is fixed, the second driving portion 307 is located between the two fixed side plates 101a and is perpendicular to the fixed side plates 101a, the second driving portion 307 has the same structure as the first driving portion 203, the left-handed nut 203b and the right-handed nut 203c are respectively connected with the two sponge suction cups 305, when the first gear motor 203a is driven, the left-handed nut 203b and the right-handed nut 203c approach each other toward the middle, the left-handed nut 203b and the right-handed nut 203c respectively drive the sponge suction cups 305 to fix the sponge suction cups 305 in the middle and attach to a cargo, the second cylinder 306 pumps the sponge suction cups 305 to suck and maintain a vacuum negative pressure on the PE film on the surface of the cargo, then drives the servo motor 303, and the ball screw 303a drives the slider 301c to slide down along the slide rail 101b, and simultaneously the ultrasonic scribing tool 301a cuts down along the PE film to cut the PE film. The cutting action can be repeated 1-2 times.

Example 3

Referring to fig. 4 to 7, which are a third embodiment of the present invention, the embodiment is based on the previous embodiment, and further includes a locking module 400, and the locking module 400 includes a push-to-circular plate 401, two clamping blocks 402 symmetrically disposed, and a manipulation member 403.

The fixed side plate 101a is provided with vertical grooves 101a-2, the number of the vertical grooves 101a-2 is two, the two vertical grooves 101a-2 are arranged in the vertical direction, the pushing round plate 401 is installed on the fixed side plate 101a to be connected in a rotating mode, the center of the pushing round plate 401 is connected to the area between the two vertical grooves 101a-2, and the vertical grooves 101a-2 are symmetrically arranged with respect to the pushing round plate 401.

Two straight slot openings 401a are formed in the circumference of the pushing round plate 401, the straight slot openings 401a are obliquely arranged, the pushing round plate 401 is close to the extension, and extends towards the center, the position of the straight slot openings 401a corresponds to that of the vertical slots 101a-2, a round shaft 402a is vertically arranged at one end of a clamping block 402, the round shaft 402a penetrates through the straight slot openings 401a and is embedded in the vertical slots 101a-2, when the pushing round plate 401 rotates, the round shaft 402a is gradually pushed outwards along the vertical slots 101a-2 by limiting of the straight slot openings 401a, a clamping block 402b is arranged at the other end of the clamping block 402, a protruding extension block 301c-1 is arranged on one side of a sliding block 301c, clamping grooves 301c-2 are symmetrically formed in the block 301c-1, and the clamping grooves 301c-2 are matched with the clamping blocks 402 b; the control 403 is connected to push against the circular plate 401.

Further, in order to push the circular shaft 402a of the clamping block 402 outward, the other end may be clamped inward, for example: the rocker principle; the center of the clamping block 402 is vertically connected to the fixed side plate 101a to form a fulcrum. Specifically, the fixed side plate 101a is provided with a hole groove C, and a shaft rod is arranged in the middle of the fixed side plate 101a in a protruding and extending manner to extend into the hole groove C and is elastically connected with two side walls of the hole groove C.

When the circular shaft 402a pushes outwards, the clamping block 402 rotates by taking the central shaft rod as a fulcrum, one end far away from the circular shaft 402a approaches to the square 301c-1, and the clamping block 402b can be embedded into the clamping groove 301c-2 to clamp and fix the sliding block 301c, so that the misoperation of driving the sliding block 301c to descend in a working state is prevented, and the ultrasonic scribing cutter 301a is driven to descend to accidentally injure workers on the conveying table 104.

The control member 403 includes a fixed circular plate 403a and a rotating block 403b, the fixed circular plate 403a is fixedly connected with the pushing circular plate 401, a connecting shaft 401b is provided on the pushing circular plate 401, the connecting shaft 401b passes through the fixed circular plate 403a, and a hollow circular tube 401c is provided on the connecting shaft 401 b. The specific positional relationship is: the clamping block 402 is located between the fixed circular plate 403a and the pushing circular plate 401, the hollow circular tube 401c is arranged at one end of the connecting shaft 401b penetrating through the fixed circular plate 403a, and the rotating block 403b penetrates through the outer wall of the hollow circular tube 401c, stretches into the hollow circular tube 401c and is matched with the ratchet 401c-1 arranged on the inner wall of the hollow circular tube 401c. The rotating block 403b is matched with the ratchet 401c-1 to drive the pushing circular plate 401 to rotate, at this time, the circular shaft 402a is pushed outwards, the clamping block 402 rotates by taking the central shaft lever as a fulcrum, one end far away from the circular shaft 402a approaches the block 301c-1, and the clamping block 402b can be embedded into the clamping groove 301 c-2.

The rotating block 403b comprises a rotating shaft 403b-1, a hollow tube 403b-2 and a protruding block 403b-3, wherein the hollow tube 403b-2 is arranged in the hollow circular tube 401c, the rotating shaft 403b-1 penetrates through the outer wall of the hollow circular tube 401c to be connected with the hollow tube 403b-2, a circular plate 403b-4 is eccentrically arranged on the rotating shaft 403b-1, and the protruding block 403b-3 is elastically connected on the outer wall of the hollow tube 403b-2 and matched with the ratchet 401 c-1. When the rotating shaft 403b-1 rotates, the circular plate 403b-4 eccentrically rotates in the hollow tube 403b-2, specifically, one end of the outer wall of the circular plate 403b-4 is attached to the inner wall of the hollow tube 403b-2 to rotate; the outer wall of the hollow tube 403B-2 is provided with a through groove A, two sides of the protruding block 403B-3 are elastically connected with the outer wall of the hollow tube 403B-2, the top of the protruding block 403B-3 is matched with the ratchet 401c-1, the bottom of the protruding block 403B-3 is matched with the circular plate 403B-4, and the circular plate 403B-4 is provided with a square groove B. The cooperation here means: the bottom of the protruding block 403B-3 stretches into the hollow tube 403B-2, the circular plate 403B-4 ejects the protruding block 403B-3 in the rotating process, when the square groove B rotates to the bottom of the protruding block 403B-3, the bottom of the protruding block 403B-3 is clamped in the square groove B, meanwhile, the top of the protruding block 403B-3 is ejected to be matched with the ratchet 401c-1, the rotating shaft 403B-1 continues to rotate to drive the protruding block 403B-3 to rotate together, and the protruding block 403B-3 is meshed with the ratchet 401c-1 to drive the hollow circular tube 401c to rotate and push the circular plate 401.

When the rotation shaft 403B-1 is released, one end of the bottom of the protrusion 403B-3 is formed in an arc shape, and one side of the square groove B contacts with one side of the arc shape of the protrusion 403B-3, and when the rotation shaft is rotated in the opposite direction, the protrusion 403B-3 can be lifted up along the side of the arc shape of the protrusion 403B-3, thereby releasing the engagement between the protrusion 403B-3 and the square groove B.

It is important to note that the construction and arrangement of the present application as shown in a variety of different exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of present invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the invention is not limited to the specific embodiments, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Furthermore, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those not associated with the best mode presently contemplated for carrying out the invention, or those not associated with practicing the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure.

It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.

Claims

1. The utility model provides an automatic segmentation machine of tearing open of PE membrane which characterized in that: comprising the steps of (a) a step of,

the support module (100), the support module (100) comprises a first support frame (101) and a second support frame (102) which are symmetrically arranged, and a top plate (103) used for connecting the first support frame (101) and the second support frame (102), and a conveying table (104) is arranged between the first support frame (101) and the second support frame (102);

the arrangement module (200), the arrangement module (200) comprises a first supporting plate (201) and a second supporting plate (202) which are identical in structure and are symmetrically arranged, and a first driving part (203) which is connected with the first supporting plate (201) and the second supporting plate (202);

the cutting module (300) comprises a first cutting piece (301) and a second cutting piece (302) which are identical in structure and are symmetrically arranged, the first cutting piece (301) is fixed on the first supporting frame (101), and the second cutting piece (302) is fixed on the second supporting frame (102);

the first cutting piece (301) comprises an ultrasonic scribing cutter (301 a), a support (301 b) and a sliding block (301 c), fixed side plates (101 a) are arranged on the first support frame (101) and the second support frame (102), sliding rails (101 b) are arranged on the fixed side plates (101 a), the sliding block (301 c) is arranged on the sliding rails (101 b) and connected with the support (301 b), the ultrasonic scribing cutter (301 a) is arranged on the support (301 b), a first air cylinder (301 b-1) is arranged at the bottom of the support (301 b), and the first air cylinder (301 b-1) is connected with the ultrasonic scribing cutter (301 a);

the cutting module (300) further comprises servo motors (303), the servo motors (303) are respectively arranged on the opposite surfaces of the two fixed side plates (101 a), ball screw nuts (303 a) are arranged on driving shafts of the servo motors (303), and the ball screw nuts (303 a) are fixedly connected with the sliding blocks (301 c);

the locking device comprises a locking module (400), wherein the locking module (400) comprises a pushing circular plate (401), two clamping blocks (402) and an operating piece (403) which are symmetrically arranged, a vertical groove (101 a-2) is formed in a fixed side plate (101 a), the pushing circular plate (401) is rotatably arranged on the fixed side plate (101 a), two straight notches (401 a) are formed in the circumference of the pushing circular plate (401), a circular shaft (402 a) is vertically arranged at one end of the clamping block (402), the circular shaft (402 a) penetrates through the straight notches (401 a) and is embedded in the vertical groove (101 a-2), a clamping block (402 b) is arranged at the other end of the clamping block (402), a clamping groove (301 c-2) is symmetrically formed in one side of a sliding block (301 c) and is matched with the clamping block (402 b); the control piece (403) is connected with and pushed to the circular plate (401).

2. The automatic PE film splitting machine according to claim 1, characterized in that: the first supporting plate (201) and the second supporting plate (202) are connected through the mounting plate (105), the first driving part (203) comprises a first gear motor (203 a), a left-handed nut (203 b) and a right-handed nut (203 c), the first gear motor (203 a) is mounted on the mounting plate (105), and the left-handed nut (203 b) and the right-handed nut (203 c) are sleeved on a driving shaft of the first gear motor (203 a).

3. The automatic PE film splitting machine according to claim 2, characterized in that: the first support plate (201) and the second support plate (202) are provided with telescopic plates (201 a), the other ends of the telescopic plates (201 a) are fixedly provided with sorting plates (201 b), the two sorting plates (201 b) are oppositely arranged, and the left-handed nut (203 b) and the right-handed nut (203 c) are respectively connected with the two sorting plates (201 b).

4. The automatic PE film splitting machine according to claim 1, characterized in that: a guide shaft (304) is arranged on the opposite side of the fixed side plate (101 a), the other end of the guide shaft (304) is connected with a sponge sucker (305) through a linear bearing, second air cylinders (306) are also arranged on the fixed side plate (101 a), the number of the second air cylinders (306) corresponds to that of the guide shaft (304), and the second air cylinders (306) are connected with the sponge sucker (305);

the fixed side plate (101 a) of the first support frame (101) and the fixed side plate (101 a) of the second support frame (102) are connected through a second driving part (307), the second driving part (307) and the first driving part (203) are identical in structure, and the left-handed nut (203 b) and the right-handed nut (203 c) are respectively connected with the two sponge suckers (305).

5. The automatic PE film splitting machine according to claim 1, characterized in that: the control piece (403) comprises a fixed circular plate (403 a) and a rotating block (403 b), the fixed circular plate (403 a) is fixedly connected with the pushing circular plate (401), a connecting shaft (401 b) is arranged on the pushing circular plate (401), the connecting shaft (401 b) penetrates through the fixed circular plate (403 a) and a hollow circular tube (401 c) is arranged on the connecting shaft (401 b), and the rotating block (403 b) penetrates through the outer wall of the hollow circular tube (401 c) to extend into the hollow circular tube (401 c) and is matched with a ratchet (401 c-1) arranged on the inner wall of the hollow circular tube (401 c).

6. The automatic PE film splitting machine according to claim 5, wherein: the rotating block (403 b) comprises a rotating shaft (403 b-1), an empty pipe (403 b-2) and a protruding block (403 b-3), the empty pipe (403 b-2) is arranged in the hollow round pipe (401 c), the rotating shaft (403 b-1) penetrates through the outer wall of the hollow round pipe (401 c) to be connected with the empty pipe (403 b-2), a circular plate (403 b-4) is eccentrically arranged on the rotating shaft (403 b-1), and the protruding block (403 b-3) is elastically connected to the outer wall of the empty pipe (403 b-2) and is matched with the ratchet (401 c-1).

7. The automatic PE film splitting machine according to claim 6, wherein: the outer wall of the hollow tube (403B-2) is provided with a through groove (A), two sides of the protruding block (403B-3) are elastically connected with the outer wall of the hollow tube (403B-2), the top of the protruding block (403B-3) is matched with the ratchet (401 c-1), the bottom of the protruding block (403B-3) is matched with the circular plate (403B-4), and the circular plate (403B-4) is provided with a square groove (B).