CN113353687B

CN113353687B - A coiling mechanism for plastic woven sack

Info

Publication number: CN113353687B
Application number: CN202110910772.9A
Authority: CN
Inventors: 梅山玮
Original assignee: Xuzhou Hongen Packaging New Material Co ltd
Current assignee: Xuzhou Hongen Packaging New Material Co ltd
Priority date: 2021-08-10
Filing date: 2021-08-10
Publication date: 2021-11-12
Anticipated expiration: 2041-08-10
Also published as: CN113353687A

Abstract

The invention discloses a winding device for a plastic woven bag, which comprises a supporting unit and a winding unit, wherein the supporting unit comprises a driving device, a shaft changing device and a supporting frame; the winding unit comprises a winding disc, a winding roller is arranged on the winding disc, a locking assembly is arranged at the joint of the driving device and the winding disc, and a clamping assembly is arranged at the joint of the winding disc and the winding roller; the block subassembly includes connecting rod, first extensible member, first elastic component and chucking spare, and the chucking spare includes turning block, first ring, chucking piece and dead lever. According to the device, the clamping component is arranged at the joint of the winding disc and the winding roller, and the wound plastic woven bag is loaded and unloaded by using the clamping component; be provided with locking Assembly at the junction of drive arrangement and rolling dish, utilize locking Assembly to lock the winding up roller that needs carry out the rolling, except that the winding up roller that is carrying out the rolling and uninstallation, all the other winding up rollers can be regarded as the guiding axle, have the guide effect to rolling plastic woven sack.

Description

A coiling mechanism for plastic woven sack

Technical Field

The invention relates to the technical field of woven bag processing, in particular to a winding device for a plastic woven bag.

Background

The plastic woven bag is mainly prepared by extruding a plastic raw material into a film, cutting the film into filaments, stretching the filaments into flat filaments in a single direction, and finally carrying out warp and weft weaving to obtain a product, which is generally called a woven bag. The woven bag production process needs to wind the woven belt semi-finished product woven by warps and wefts to form a cylindrical woven bag roll. The invention provides a winding device for a plastic woven bag, which aims to save time and labor and improve the working efficiency for the defects of long time use, single operation and the like existing between the winding and the unloading of the plastic woven bag when the plastic woven bag is wound by the conventional plastic woven bag winding machine.

Disclosure of Invention

In order to solve the technical problems, the invention provides the following technical scheme: a coiling mechanism for plastic woven sack, includes: the supporting unit comprises a driving device, a shaft replacing device connected with the driving device and a supporting frame connected with the shaft replacing device; the winding unit comprises a winding disc rotatably connected with the support frame, a locking assembly connected with the shaft replacing device, a clamping assembly connected with the locking assembly and arranged on the winding disc, and a winding roller connected with the clamping assembly; the block subassembly, include with locking Assembly complex connecting block, the dead lever of being connected with the rolling dish bearing, with connecting block fixed connection and pass the first extensible member of dead lever inner chamber, set up in first extensible member with first elastic component between the dead lever inner wall, set up in dead lever tip and with a plurality of chucking spare of first extensible member complex, chucking spare still cooperates with the winding up roller.

As a preferable scheme of the winding device for the plastic woven bag, the shaft changing device includes a cabinet body, a first fixing shaft disposed in the cabinet body, a first gear disposed on the first fixing shaft, a connecting shaft connected to the driving device, a second gear disposed on the connecting shaft, a third gear disposed on the connecting shaft, and a second fixing shaft fixed to one side of the cabinet body, the first fixing shaft is connected to the locking assembly, a fourth gear engaged with the third gear is disposed at one end of the second fixing shaft, and the first gear is engaged with the second gear.

As a preferable scheme of the winding device for the plastic woven bag, the locking assembly comprises a connecting rod connected with the shaft changing device, a second telescopic member arranged on the connecting rod, a second elastic member arranged on the second telescopic member, and two clamping members rotatably connected with the second telescopic member, and the two clamping members are further connected with two ends of the second elastic member respectively.

As a preferable scheme of the winding device for the plastic woven bag, one end, close to the clamping piece, of the first telescopic piece is provided with a compression block, a fastening block located at the end part and a connecting part for connecting the compression block and the fastening block, the height of the section of the compression block is larger than that of the section of the connecting part, and the fastening block is matched with a slotted hole formed in the end part of the winding roller.

As a preferable scheme of the winding device for the plastic woven bag, the clamping piece comprises a rotating block matched with the first telescopic piece and a clamping block connected with the rotating block, and the clamping block is matched with the winding roller; the rotating blocks are arranged in a plurality of groups and are arranged along the circumferential direction of the inner wall of the fixed rod; the turning block is the triangle-shaped structure, and wherein first angle is located between compression piece and the fastening block, and the second angle sets up in being close to compression piece department and rotates with the dead lever inner wall to be connected, and the third angle stretches out the dead lever and above sets up the chucking piece.

As a preferable scheme of the winding device for the plastic woven bag, the driving device comprises a motor, a driving wheel connected with the motor, and a driven wheel matched with the driving wheel, and the driven wheel is matched with the shaft changing device.

As a preferable scheme of the winding device for the plastic woven bag, vertical plates are arranged on two sides of the supporting frame, and the winding unit is arranged between the vertical plates.

As a preferable scheme of the winding device for the plastic woven bag, a plurality of winding rollers are arranged, and the winding rollers are arranged along the circumferential direction of the winding disc.

As a preferable scheme of the winding device for the plastic woven bag, the clamping components are arranged at two ends of the winding roller.

The invention has the beneficial effects that: (1) arranging a clamping component, and loading and unloading the rolled plastic woven bag by using the clamping component; (2) the winding device is provided with a locking assembly, and the winding roller needing to be wound is locked by the locking assembly; (3) the plurality of winding rollers are arranged, so that the winding of the packaging film is facilitated, and the wound winding rollers are assembled and disassembled at the same time, and the working efficiency is improved; (4) the winding rollers are arranged in a plurality of ways, and except the winding rollers which are winding and unloading, other winding rollers can be used as guide shafts, so that the winding plastic woven bag has the guiding and buffering effects.

Drawings

Fig. 1 is a front view of a winding device for plastic woven bags.

Fig. 2 is a partial structure view of a driving device of a winding device for plastic woven bags.

Fig. 3 is a partial structure view of a shaft changing device of a winding device for plastic woven bags.

Fig. 4 is a partial structure view of a winding device for plastic woven bags.

Fig. 5 is a sectional view of a clamping assembly of the winding device for the plastic woven bag.

Fig. 6 is a structural diagram of a locking assembly of the winding device for the plastic woven bag.

Fig. 7 is a side view of a locking assembly of the winding device for the plastic woven bag.

Fig. 8 is another view of the winding device for plastic woven bags.

Fig. 9 is a first operation schematic diagram of the winding device for the plastic woven bag.

Fig. 10 is a second operation diagram of the winding device for the plastic woven bag.

In the figure: a support unit 100; a drive device 101; a motor 101 a; the driving wheel 101 b; the driven pulley 101 c; a shaft replacing device 102; a cabinet body 102 a; a first rotating shaft 102 b; a first gear 102 c; a connecting shaft 102 d; a second gear 102 e; a third gear 102 f; a second rotating shaft 102 g; a fourth gear 102 h; a support frame 103; a riser 103 a; a winding unit 200; a wind-up reel 201; a winding roller 202; a locking assembly 203; a connecting rod 203 a; a second telescoping piece 203 b; a second elastic member 203 c; a gripping member 203 d; a clamping component 204; connection block 204 a; a first telescoping member 204 b; compression block 204 b-1; the fastening block 204 b-2; connecting portion 204 b-3; a first elastic member 204 c; a retainer 204 d; fixing the rod 204 e; a turning block 204 d-1; a first ring 204 d-2; a clamping block 204 d-3; fixing pin 204 d-4.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

Example 1

Referring to fig. 1, 5, 6 and 7, a first embodiment of the present invention provides a winding device for a plastic woven bag, which includes a supporting unit 100 and a winding unit 200.

The supporting unit 100 comprises a driving device 101, a shaft replacing device 102 connected with the driving device 101, and a supporting frame 103 connected with the shaft replacing device 102.

The winding unit 200 comprises a locking assembly 203 connected with the shaft changing device 102, a clamping assembly 204 connected with the locking assembly 203, a winding roller 202 connected with the clamping assembly 204, and a winding disc 201 rotatably connected with the supporting frame 103, wherein the clamping assembly 204 penetrates through the winding disc 201. The locking component 203 is arranged to lock a winding roller needing to be wound; the purpose of setting up block subassembly 204 is conveniently loaded and unloaded the good plastic woven sack of rolling.

Referring to fig. 6 and 7, the locking assembly 203 includes a connecting rod 203a connected to the shaft changing device 102, a second telescopic member 203b disposed on the connecting rod 203a, a second elastic member 203c disposed on the second telescopic member 203b, and two grasping members 203d rotatably connected to ends of the second telescopic member 203b, wherein the two grasping members 203d are respectively connected to two ends of the second elastic member 203 c. The second elastic member 203c is driven to deform by the expansion and contraction of the second expansion member 203b on the connecting rod 203a, so as to drive the gripping member 203d to clamp the clamping component 204. The tail end of the grasping member 203d is rotatably connected to the outer wall of the end of the second expansion member 203b, the middle portion is fixedly connected with the second elastic member 203c, and the front end is in a hook shape and can hook the engaging member 204. The two gripping members 203d cooperate to grip the snap assembly 204.

Referring to fig. 5, the clamping assembly 204 includes a connecting block 204a connected to the locking assembly 203, a fixing rod 204e disposed on the winding disc 201, a first telescopic member 204b having one end fixedly disposed in the connecting block 204a and penetrating through an inner cavity of the fixing rod 204e, a first elastic member 204c disposed on the first telescopic member 204b, and a clamping member 204d connected to the first telescopic member 204 b; the fixing rod 204e is arranged on the winding disc 201 through a bearing.

Further, the first expansion piece 204b is divided into a compression block 204b-1, a fastening block 204b-2 and a connecting portion 204b-3 at an end close to the clamping piece 204d, the fastening block 204b-2 is located at the end of the first expansion piece 204b, the compression block 204b-1 has a section height larger than that of the connecting portion 204b-3, the connecting portion 204b-3 connects the compression block 204b-1 and the fastening block 204b-2, and the fastening block 204b-2 is matched with a slotted hole at the end of the winding roller 202.

Further, the clamping member 204d includes a rotating block 204d-1 engaged with the first telescopic member 204b, and a clamping block 204d-3 connected to the rotating block 204 d-1. The rotating blocks 204d-1 are arranged in a plurality and are arranged along the circumferential direction of the inner wall of the fixed rod 204 e; the rotating block 204d-1 is in a triangular structure, wherein a first angle is located between the compressing block 204b-1 and the fastening block 204b-2, a second angle is arranged at a position close to the compressing block 204b-1 and is rotatably connected with the inner wall of the fixing rod 204e, and a third angle extends out of the fixing rod 204e and is provided with a clamping block 204 d-3.

Further, the rotating block 204d-1 is rotatably connected with the inner wall of the fixing rod 204e through a first ring 204d-2 and a fixing pin 204d-4, specifically, the first ring 204d-2 is disposed at a second corner of the rotating block 204d-1, and the fixing pin 204d-4 passes through the first ring 204d-2 and is fixedly connected with the inner wall of the fixing rod 204 e. A torsion spring is arranged between the fixing pin 204d-4 and the first ring 204d-2, so that the rotating block 204d-1 can rebound conveniently.

Further, the edge of the connecting block 204a is provided with a circle of protrusions along the circumferential direction.

Further, a first elastic member 204c is disposed between the compression block 204b-1 and an inner wall of the fixing rod 204 e.

Further, the first telescopic member 204b and the second telescopic member 203b are automatic telescopic rods, and are driven by external signals to extend and retract. The characteristic of the automatic telescopic rod is utilized to drive the gripping piece 203d and the clamping piece 204d to grip.

The locking assembly 203 and the clamping assembly 204 are matched in the following process: the second elastic member 203c is extended by the second expansion member 203b, the grasping members 203d connected to both ends of the second elastic member 203c are rotated outward around the connection with the second expansion member 203b, and the connecting block 204a is placed between the two grasping members 203 d; then the second telescopic part 203b contracts, the second elastic part 203c rebounds, the grasping part 203d rotates inwards around the joint of the second telescopic part 203b, and the protrusion of the connecting block 204a is grasped to realize clamping; the second elastic member 203b is extended to abut against the second elastic member 203c to lengthen it, the grasping members 203d connected to both ends of the second elastic member 203c are rotated outward around the connection with the second elastic member 203b, the connection block 204a is released, the grasping members 203d maintain the state, the connection rod 203a is rotated to bring the grasping members 203d to rotate, and the disengagement of the engaging assembly 204 is realized.

In order to make the convex fit between the gripping member 203d and the connecting block 204a more tight, anti-slip grooves are provided on the inner wall of the front end of the gripping member 203d and the outer wall of the convex of the connecting block 204a to increase the friction force.

The process of mating the snap-fit assembly 204 with the roller 202 is as follows: when the first telescopic member 204b moves towards the winding roller 202, the compression block 204b-1 contacts the rotating block 204d-1 and applies force to the rotating block 204d-1, and because the second corner of the rotating block 204d-1 is rotatably connected with the inner wall of the fixed rod 204e, the clamping block 204d-3 at the third corner of the rotating block 204d-1 rotates towards the axle center under the driving of the compression block 204b-1, clamps the winding roller 202, so that the winding roller 202 is clamped on the winding disc 201, and simultaneously the fastening block 204b-2 is inserted into the slotted hole at the end part of the winding roller 202, when the winding roller 202 rotates under the driving of the locking assembly 203, the clamping block 204b-2 is matched with the slotted hole, so that the slipping phenomenon between the fastening block 204b-2 and the winding roller 202 can be prevented; when the first telescopic member 204b moves away from the winding roller 202, the rotating block 204d-1 has no pressure on the compressing block 204b-1, the rotating block 204d-1 rotates in the opposite direction, the clamping block 204d-3 releases the winding roller 202, and the clamping block 204b-2 is disengaged from the slot hole.

Further, the winding roller 202 is circumferentially provided with an annular groove matched with the clamping block 204d-3, i.e. the compression block 204b-1 can be clamped in the annular groove to increase the clamping firmness.

When the plastic woven bag winding device is used, the driving device 101 is used for driving the winding disc 201 to rotate, after the winding roller 202 needing to be wound rotates to a working position, the shaft replacing device 102 is used for connecting the driving device 101 and the winding roller 202 through the locking assembly 203 and the clamping assembly 204, and then the winding roller 202 starts to wind the plastic woven bag under the driving of the driving device 101; after the winding is finished, the locking assembly 203 works reversely to be separated from the winding roller 202, the driving device 101 is driven by the shaft replacing device 102 to drive the winding disc 201 to rotate again, and the winding roller 202 to be wound is operated to a working position; meanwhile, the wound roll 202 is rotated to the unloading position, the first expansion piece 204b is utilized to pull the clamping piece 204d, so that the rotating block 204d-1 in the clamping piece 204d rotates, the first ring 204d-2 reversely rotates by taking the fixed pin 204d-4 as the center of a circle, the clamping block 204d-3 is further driven to rotate, the roll 202 is loosened from the winding disc 201, and the process of winding and unloading the plastic woven bag is completed.

Example 2

Referring to fig. 1, 2 and 3, a second embodiment of the present invention is based on the first embodiment.

Specifically, the driving device 101 includes a motor 101a, a driving wheel 101b connected to the motor 101a, and a driven wheel 101c connected to the driving wheel 101b, and the driven wheel 101c is rotatably connected to the shaft changing device 102; the motor 101a is used for driving the driving wheel 101b to rotate, the driving wheel 101b drives the driven wheel 101c to rotate, the driven wheel 101c drives the inner part of the shaft replacing device 102 to rotate, and then the locking component 203 drives the clamping component 204 and the winding roller 202 to rotate.

The shaft changing device 102 comprises a cabinet 102a, a first rotating shaft 102b arranged in the cabinet 102a, a first gear 102c arranged on the first rotating shaft 102b, a connecting shaft 102d connected with the driven wheel 101c, a second gear 102e arranged on the connecting shaft 102d, a third gear 102f arranged on the connecting shaft 102d, and a second rotating shaft 102g fixed on one side of the cabinet 102 a; a fourth gear 102h matched with the third gear 102f is arranged at one end of the second rotating shaft 102 g; the first gear 102c is engaged with the second gear 102 e; the first rotating shaft 102b is fixedly connected with the connecting rod 203 a; the second rotating shaft 102g penetrates through the supporting frame 103 and is in bearing connection with the winding disc 201.

Referring to fig. 1, 2 and 3, in use, the motor 101a drives the driving wheel 101b to rotate, and the driven wheel 101c engaged with the driving wheel 101b rotates therewith, where the engagement may be in a conventional engagement manner, such as belt transmission, chain transmission, etc.; the driven wheel 101c is coaxially connected with the connecting shaft 102d, when the connecting shaft 102d moves rightwards, the third gear 102f on the connecting shaft 102d is matched with the fourth gear 102h at one end of the second rotating shaft 102g, the matching is gear meshing transmission, at this time, the third gear 102f drives the fourth gear 102h to rotate, and the second rotating shaft 102g drives the winding disc 201 to rotate. After the winding roller 202 to be wound is operated to the working position, the second expansion piece 203b on the connecting rod 203a expands and contracts to drive the gripping piece 203d to clamp the engaging component 204, at this time, the connecting shaft 102d moves to the left, so that the third gear 102f on the connecting shaft 102d is disengaged from the fourth gear 102h at one end of the second rotating shaft 102g, and simultaneously, the second gear 102e on the connecting shaft 102d is matched with the first gear 102c on the first rotating shaft 102b, the matching is gear meshing transmission, and then the second gear 102e drives the first gear 102c to rotate, so that the first rotating shaft 102b rotates. Because the second expansion piece 203b on the connecting rod 203a expands and contracts to drive the gripping piece 203d to clamp the connecting block 204a, the winding roller 202 can rotate under the driving of the motor 101a, and the winding roller 202 starts to wind the plastic woven bag. After the winding is completed, the second telescopic member 203b on the connecting rod 203a is contracted to drive the gripping member 203d to release the connecting block 204 a. The first expansion piece 204b pulls the clamping piece 204d to enable the rotating block 204d-1 in the clamping piece 204d to rotate, the first ring 204d-2 rotates reversely with the fixed pin 204d-4 as the center of a circle, and then the clamping block 204d-3 is driven to loosen the winding roller 202 from the winding disc 201, so that the winding roller 202 which is wound is conveyed to the next station, and the process of winding and unloading the plastic woven bag is completed.

Example 3

Referring to fig. 1 to 10, a third embodiment of the present invention is based on the first two embodiments.

In this embodiment, the winding rollers 202 are provided in a plurality, so that when one winding roller 202 winds, the other winding roller 202 which has wound can be assembled and disassembled, and the winding and assembling time of the plastic woven bag is saved. While the remaining winding rollers 202 function as guide shafts during this operation. In this embodiment, 4 winding rollers 202 are provided.

Furthermore, for the same winding roller 202, the clamping components 204 can be arranged on both sides of the winding roller, so that the winding roller has a centering effect. Specifically, the clamping component 204 on one side of the winding roller 202 is arranged according to the above embodiment, the clamping component 204 on the other side is arranged on the other winding disc 201, and the other winding disc 201 is rotatably connected with the supporting frame 103 through a rotating shaft. For the plurality of winding rollers 202, two of the engaging components 204 are in one group, and a plurality of groups of the engaging components 204 are correspondingly arranged. In this embodiment, 4 sets of the engaging elements 204 are provided.

Furthermore, risers 103a are arranged on two sides of the support frame 103, and the winding unit 200 is arranged between the risers 103 a.

Preferably, the first elastic member 204c is a spring, and has the functions of buffering impact and restoring by using the characteristics of the spring.

Preferably, the second elastic member 203c is a spring, and has the functions of buffering the impact and restoring by using the characteristics of the spring.

When the winding device is used, one winding roller 202 is clamped by one group of clamping components 204, the clamping piece 204d is pushed by the first telescopic piece 204b, the rotating block 204d-1 in the clamping piece 204d rotates, the first ring 204d-2 rotates by taking the fixed pin 204d-4 as a circle center, and then the clamping block 204d-3 is driven to clamp the winding roller 202 on the winding disc 201. Referring to fig. 9, it is first necessary to clamp 4 rolls 202 through 4 sets of snap assemblies 204 and place them on the take-up reel 201 (position A, B, C, D in fig. 9); utilize motor 101a to drive rolling-up dish 201 and rotate, after the winding up roller 202 on the A position that needs to carry out the rolling moves to operating position, utilize locking Assembly 203 to lock the block subassembly 204 that corresponds to the winding up roller 202 on the A position that needs to carry out the rolling, the winding up roller 202 on the A position begins to carry out the rolling to plastic woven sack, after the completion of rolling up, utilize locking Assembly 203 to loosen and take off the winding up roller 202 on the A position. Referring to fig. 10, the driving device 101 is driven again by the shaft changer 102 to rotate the winding disc 201, the winding roller 202 at the position D to be wound is moved to the operating position to perform the winding process, and at the same time, the winding roller 202 at the position a to be wound is moved to the unloading position (position a in fig. 10), the winding roller 202 at the position a is released by the engaging component 204, so that the winding roller 202 at the position a to be wound is conveyed to the next station, and the winding and unloading processes of the plastic woven bag are completed.

In this process, referring to the winding roller 202 at the position D in fig. 9, the winding roller 202 at the position C in fig. 10, the guiding function is to make the distance from the plastic woven bag to the winding roller 202 in the winding operation longer, the transmission length is increased, and the winding operation can be buffered.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, 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 modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims

1. The utility model provides a coiling mechanism for plastic woven sack which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the supporting unit (100) comprises a driving device (101), a shaft replacing device (102) connected with the driving device (101), and a supporting frame (103) connected with the shaft replacing device (102);

the winding unit (200) comprises a winding disc (201) rotatably connected with the support frame (103), a locking assembly (203) connected with the shaft replacing device (102), a clamping assembly (204) connected with the locking assembly (203) and arranged on the winding disc (201), and a winding roller (202) connected with the clamping assembly (204);

the clamping assembly (204) comprises a connecting block (204 a) matched with the locking assembly (203), a fixing rod (204 e) connected with a bearing of the winding disc (201), a first telescopic piece (204 b) fixedly connected with the connecting block (204 a) and penetrating through an inner cavity of the fixing rod (204 e), a plurality of clamping pieces (204 d) arranged between the first telescopic piece (204 b) and an inner wall of the fixing rod (204 e) and matched with the end of the fixing rod (204 e) and the first telescopic piece (204 b), and the clamping pieces (204 d) are matched with the winding roller (202).

2. The winding device for the plastic woven bag according to claim 1, characterized in that: the shaft changing device (102) comprises a cabinet body (102 a), a first rotating shaft (102 b) arranged in the cabinet body (102 a), a first gear (102 c) arranged on the first rotating shaft (102 b), a connecting shaft (102 d) connected with the driving device (101), a second gear (102 e) arranged on the connecting shaft (102 d), a third gear (102 f) arranged on the connecting shaft (102 d), and a second rotating shaft (102 g) fixed on one side of the cabinet body (102 a), wherein the first rotating shaft (102 b) is connected with a locking assembly (203), one end of the second rotating shaft (102 g) is provided with a fourth gear (102 h) matched with the third gear (102 f), and the first gear (102 c) is matched with the second gear (102 e).

3. The winding device for the plastic woven bag as claimed in claim 2, wherein: the locking assembly (203) comprises a connecting rod (203 a) connected with the shaft changing device (102), a second telescopic piece (203 b) arranged on the connecting rod (203 a), a second elastic piece (203 c) arranged on the second telescopic piece (203 b), and two clamping pieces (203 d) rotatably connected with the second telescopic piece (203 b), wherein the two clamping pieces (203 d) are further connected with two ends of the second elastic piece (203 c) respectively.

4. The winding device for the plastic woven bag according to claim 1, characterized in that: one end of the first telescopic piece (204 b) close to the clamping piece (204 d) is divided into a compression block (204 b-1), a fastening block (204 b-2) positioned at the end and a connecting part (204 b-3) for connecting the compression block (204 b-1) and the fastening block (204 b-2), the height of the section of the compression block (204 b-1) is larger than that of the section of the connecting part (204 b-3), and the fastening block (204 b-2) is matched with a slotted hole arranged at the end of the winding roller (202).

5. The winding device for the plastic woven bag according to claim 4, wherein: the clamping piece (204 d) comprises a rotating block (204 d-1) matched with the first telescopic piece (204 b), and a clamping block (204 d-3) connected with the rotating block (204 d-1), and the clamping block (204 d-3) is matched with the winding roller (202); wherein

The rotating blocks (204 d-1) are arranged in a plurality and are circumferentially arranged along the inner wall of the fixed rod (204 e);

the rotating block (204 d-1) is in a triangular structure, wherein a first angle is positioned between the compression block (204 b-1) and the fastening block (204 b-2), a second angle is arranged at a position close to the compression block (204 b-1) and is rotatably connected with the inner wall of the fixing rod (204 e), and a third angle extends out of the fixing rod (204 e) and is provided with a clamping block (204 d-3).

6. The winding device for the plastic woven bag according to any one of claims 1, 2, 3, 4 or 5, wherein: the driving device (101) comprises a motor (101 a), a driving wheel (101 b) connected with the motor (101 a), and a driven wheel (101 c) matched with the driving wheel (101 b), wherein the driven wheel (101 c) is matched with the shaft changing device (102).

7. The winding device for the plastic woven bag according to any one of claims 1, 2, 3, 4 or 5, wherein: the supporting frame (103) both sides are provided with riser (103 a), rolling unit (200) set up between riser (103 a).

8. The winding device for the plastic woven bag according to any one of claims 1, 2, 3, 4 or 5, wherein: the winding rollers (202) are arranged in a plurality, and the winding rollers (202) are arranged along the circumferential direction of the winding disc (201).

9. The winding device for the plastic woven bag according to any one of claims 1, 2, 3, 4 or 5, wherein: the clamping components (204) are arranged at two ends of the winding roller (202).

10. The winding device for the plastic woven bag according to claim 8, wherein: the clamping components (204) are arranged at two ends of the winding roller (202).