CN217650514U

CN217650514U - Plastic woven sack coiling mechanism

Info

Publication number: CN217650514U
Application number: CN202221222701.6U
Authority: CN
Inventors: 田丽; 田龙广; 田仓华; 张宝清
Original assignee: Shenyang Huawei Plastics Co ltd
Current assignee: Shenyang Huawei Plastics Co ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-10-25
Anticipated expiration: 2032-05-20

Abstract

The utility model provides a plastic woven sack coiling mechanism, plastic woven sack coiling mechanism includes: the device comprises a stand column, a winding assembly, a support column, a connecting plate, a first support plate, a screw rod, a lifting plate, a connecting rod, a pressing frame, a pressing roller, a middle shaft, a chain connecting assembly, a first bevel gear and a second bevel gear; adopt above-mentioned structure, through installing chain coupling assembling in the outside of jackshaft and rolling subassembly simultaneously, in order to realize that rolling subassembly and jackshaft rotate simultaneously, and, the jackshaft rotates through first bevel gear and second bevel gear drive screw, thereby drive lifter plate and compression roller through the lead screw and remove, in order to adjust the distance between compression roller and the rolling subassembly, and then realize rotating the rolling subassembly and can adjust the distance between compression roller and the rolling subassembly, and need not to establish in addition that drive arrangement drives the compression roller and remove, and also need not to dispose lid drive arrangement's power supply system, in order to practice thrift the manufacturing cost of product, the suitability of product has been promoted.

Description

Plastic woven sack coiling mechanism

Technical Field

The utility model belongs to the technical field of the plastic woven sack production, concretely relates to plastic woven sack coiling mechanism.

Background

At present, in the related art, in the production process of the plastic woven bag, the plastic woven bag is wound by the winding shaft to form a winding drum so as to be conveniently stored or transported to the next process for use. Because plastic woven sack has certain pliability, take place pincher trees easily and push up together to influence the rolling effect, consequently generally adopt compressing roller and plastic woven sack to laminate mutually, take place to become flexible with avoiding plastic woven sack. When the winding shaft is used for winding the plastic woven bag, the diameter of the plastic woven bag wound on the winding shaft is gradually increased, and therefore a driving device is required to be designed to drive the pressing roller to move upwards so as to adjust the relative position of the pressing roller and the winding shaft, and a driving device is added to improve the production cost of products and further improve the production cost by configuring a power supply system for the driving device.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that when the plastic woven bag is wound by the winding shaft in the prior art, the diameter of the plastic woven bag wound on the winding shaft is gradually increased, and therefore a driving device is required to drive the pressing roller to move upwards so as to adjust the relative position of the pressing roller and the winding shaft, but a driving device is added, so that the production cost of the product is increased, and a power supply system is required to be configured for the driving device, so that the production cost and other problems are further increased. The specific technical scheme is as follows:

the utility model provides a plastic woven sack coiling mechanism, plastic woven sack coiling mechanism includes: the device comprises a stand column, a winding assembly, a support column, a connecting plate, a first support plate, a screw rod, a lifting plate, a connecting rod, a pressing frame, a pressing roller, a middle shaft, a chain connecting assembly, a first bevel gear and a second bevel gear; the two upright posts are fixed on the ground, and a space is reserved between the two upright posts; the winding component is embedded between the two upright posts, and two ends of the winding component are respectively connected with the two upright posts in a rotating way; the two support columns are respectively fixed on the two upright columns; two ends of the connecting plate are respectively connected with the two support columns; the two first supporting plates are fixed on one side of the connecting plate, and a space is reserved between the two first supporting plates; the outer wall of the screw rod is provided with external threads, and two ends of the screw rod are respectively rotatably connected with the two first supporting plates; a threaded hole is formed in the lifting plate, an internal thread is formed in the threaded hole, and the threaded hole of the lifting plate is sleeved on the outer side of the screw rod; one end of at least two connecting rods is connected with the lifting plate; the pressing frame is connected with the other ends of the at least two connecting rods and is positioned above the rolling component; the pressing roller is embedded into the pressing frame, the pressing roller is rotatably connected with the pressing frame, and the pressing roller is positioned above the winding assembly; the middle shaft penetrates through one support column and is rotationally connected with the support column; the chain connecting assembly is simultaneously arranged on the outer sides of the intermediate shaft and the winding assembly; the first bevel gear is sleeved on the outer side of the other end of the intermediate shaft; the second bevel gear is sleeved on the outer side of the screw rod and meshed with the first bevel gear; wherein the external thread is matched with the internal thread.

Additionally, the utility model provides an among the above-mentioned technical scheme plastic woven sack coiling mechanism can also have following additional technical characterstic:

in above-mentioned technical scheme, chain coupling assembling includes: the chain wheel comprises a first chain wheel, a second chain wheel and a chain; the first chain wheel is sleeved on the outer side of one end of the winding assembly and is positioned on the outer side of the upright post; the second chain wheel is sleeved on the outer side of one end of the intermediate shaft and is positioned on the outer side of the support column; the chain suit is in the outside of first sprocket and second sprocket.

In above-mentioned technical scheme, plastic woven sack coiling mechanism still includes: a second support plate and a light bar; the two second supporting plates are fixed on the other side of the connecting plate; the feed rod passes two second backup pads and lifter plate in proper order, and the both ends of feed rod are connected with two second backup pads.

In the above technical scheme, plastic woven sack coiling mechanism still includes: a spring; one end of the spring is connected with the connecting rod, and the other end of the spring is connected with the pressing frame.

In above-mentioned technical scheme, the rolling subassembly includes: the winding device comprises a first connecting shaft, a second connecting shaft and a winding roller; the first connecting shaft penetrates through one upright post and is rotatably connected with one upright post; the second connecting shaft penetrates through the other upright post and is rotatably connected with the other upright post; two ends of the winding roller are respectively connected with the first connecting shaft and the second connecting shaft, and the winding roller is positioned below the compression roller.

In above-mentioned technical scheme, plastic woven sack coiling mechanism still includes: the device comprises a motor, a first belt pulley, a second belt pulley and a belt; the motor is provided with an output shaft, the motor is fixed on the ground and is positioned on one side of one upright post; the first belt pulley is sleeved on the outer side of the output shaft; the second belt pulley is sleeved on the outer side of the second connecting shaft and is positioned on the outer side of the upright post; the belt is simultaneously sleeved on the outer sides of the first belt pulley and the second belt pulley.

The utility model discloses a plastic woven sack coiling mechanism, compared with the prior art, beneficial effect is:

1. adopt above-mentioned structure, through installing chain coupling assembling in the outside of jackshaft and rolling subassembly simultaneously, in order to realize rolling subassembly and jackshaft simultaneous rotation, and, the jackshaft drives the screw through first bevel gear and second bevel gear and rotates, thereby drive lifter plate and compression roller through the lead screw and remove, in order to adjust the distance between compression roller and the rolling subassembly, and then realize rotating the rolling subassembly and can adjust the distance between compression roller and the rolling subassembly, and need not to establish in addition that drive arrangement drives the compression roller and remove, and also need not to dispose the power supply system who covers drive arrangement, in order to practice thrift the manufacturing cost of product, the suitability of product has been promoted.

2. Through the outside with first sprocket suit in rolling component one end, with the outside of second sprocket suit in jackshaft one end to with the outside of chain suit at first sprocket and second sprocket, in order to realize when rolling component rotates, rolling component drives the jackshaft through first sprocket, second sprocket and chain and rotates, thereby promotes the use of product and experiences.

3. The two second support plates are fixed on the other side of the connecting plate, the light bar sequentially penetrates through the two second support plates, and the two ends of the light bar are connected with the two second support plates, so that the two second support plates support the light bar; through making the polished rod pass the lifter plate to realize that the lifter plate removes along the polished rod, thereby promote the stability that the lifter plate removed.

4. One end of the spring is connected with the connecting rod, and the other end of the spring is connected with the pressing frame, so that the connecting rod is elastically connected with the pressing frame. By adopting the structure, when the compression roller is attached to the plastic woven bag, the spring is in a slightly compressed state so as to realize that the spring provides pretightening force and ensure that the compression roller is closely attached to the plastic woven bag; moreover, through with the connecting rod with compress tightly set up the spring between the frame to realize that the spring can provide the compensation, avoid rotating asynchronous because of rolling subassembly and lead screw, the condition emergence in clearance appears in compression roller and plastic woven sack, experience in order to promote the use of product.

5. The first connecting shaft penetrates through one upright post, and is rotatably connected with the upright post, so that the upright post supports the first connecting shaft; the second connecting shaft penetrates through the other upright post and is rotatably connected with the other upright post, so that the other upright post supports the second connecting shaft; the two ends of the wind-up roll are respectively connected with the first connecting shaft and the second connecting shaft, so that the wind-up roll is supported by the first connecting shaft and the second connecting shaft, and the first connecting shaft, the second connecting shaft and the wind-up roll rotate synchronously. Adopt above-mentioned structure, can realize first connecting axle, second connecting axle and wind-up roll detachable and connect to realize when twining full plastic woven sack on the wind-up roll, dismantle the wind-up roll from first connecting axle and second connecting axle, first connecting axle and second connecting axle need not to dismantle from the stand this moment, experience in order to promote the use of product.

6. Through the outside with first belt pulley suit at the output shaft, with the outside of second belt pulley suit at the second connecting axle to suit the belt in the outside of first belt pulley and second belt pulley simultaneously, in order to realize that the motor drives the second connecting axle through first belt pulley, second belt pulley and belt and rotates, thereby drive the wind-up roll and rotate, and then realize that the plastic woven sack twines in the outside of wind-up roll, accomplish rolling work.

Drawings

Fig. 1 is a front view of a plastic woven bag winding device in an embodiment of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 2;

wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:

10 upright posts, 11 winding components, 111 first connecting shafts, 112 second connecting shafts, 113 winding rollers, 12 supporting columns, 13 connecting plates, 14 first supporting plates, 15 lead screws, 16 lifting plates, 17 connecting rods, 18 pressing frames, 19 pressing rollers, 20 intermediate shafts, 21 chain connecting components, 211 first chain wheels, 212 second chain wheels, 213 chains, 22 first bevel gears, 23 second bevel gears, 24 second supporting plates, 25 feed bars, 26 springs, 27 motors, 28 first belt pulleys, 29 second belt pulleys and 30 belts.

Detailed Description

The present invention will be further described with reference to the following embodiments and accompanying fig. 1-3, but the present invention is not limited to these embodiments.

A plastic woven sack coiling mechanism, as shown in fig. 1-3, the plastic woven sack coiling mechanism includes: the device comprises a stand column 10, a winding component 11, a support column 12, a connecting plate 13, a first support plate 14, a screw rod 15, a lifting plate 16, a connecting rod 17, a pressing frame 18, a pressing roller 19, an intermediate shaft 20, a chain connecting component 21, a first bevel gear 22 and a second bevel gear 23; the two upright posts 10 are fixed on the ground, and a space is reserved between the two upright posts 10; the winding component 11 is embedded between the two upright posts 10, and two ends of the winding component 11 are respectively connected with the two upright posts 10 in a rotating manner; the two support columns 12 are respectively fixed on the two upright posts 10; two ends of the connecting plate 13 are respectively connected with the two support columns 12; two first supporting plates 14 are fixed on one side of the connecting plate 13, and a space is reserved between the two first supporting plates 14; the outer wall of the screw rod 15 is provided with external threads, and two ends of the screw rod 15 are respectively rotatably connected with the two first supporting plates 14; a threaded hole is formed in the lifting plate 16, an internal thread is formed in the threaded hole, and the threaded hole of the lifting plate 16 is sleeved on the outer side of the screw rod 15; one end of at least two connecting rods 17 is connected with the lifting plate 16; the pressing frame 18 is connected with the other ends of the at least two connecting rods 17, and the pressing frame 18 is positioned above the winding assembly 11; the pressing roller 19 is embedded into the pressing frame 18, the pressing roller 19 is rotatably connected with the pressing frame 18, and the pressing roller 19 is positioned above the winding assembly 11; the intermediate shaft 20 penetrates through one support column 12, and the intermediate shaft 20 is rotatably connected with the support column 12; the chain connecting assembly 21 is arranged on the outer sides of the intermediate shaft 20 and the winding assembly 11; the first bevel gear 22 is sleeved on the outer side of the other end of the intermediate shaft 20; the second bevel gear 23 is sleeved on the outer side of the screw rod 15, and the second bevel gear 23 is meshed with the first bevel gear 22; wherein the external thread is matched with the internal thread.

The two upright columns 10 are fixed on the ground, and two ends of the winding component 11 are respectively rotatably connected with the two upright columns 10, so that the winding component 11 is supported by the two upright columns 10; the two support columns 12 are respectively fixed on the two upright columns 10, and two ends of the connecting plate 13 are respectively connected with the two support columns 12, so that the two upright columns 10 support the two support columns 12, and the two support columns 12 are connected together, so that the two support columns 12 and the connecting plate 13 form a stable frame structure, and the stability of the two support columns 12 is improved; the two first supporting plates 14 are fixed on one side of the connecting plate 13, and two ends of the screw rod 15 are respectively rotatably connected with the two first supporting plates 14, so that the two first supporting plates 14 support the screw rod 15; one ends of at least two connecting rods 17 are connected with the lifting plate 16 by sleeving threaded holes of the lifting plate 16 on the outer side of the screw rod 15, and the other ends of at least two connecting rods 17 are connected with the pressing frame 18, so that when the screw rod 15 rotates, the screw rod 15 drives the lifting plate 16 to move up and down, and the lifting plate 16 drives the pressing frame 18 to move up and down through at least two connecting rods 17; the pressing roller 19 is embedded into the pressing frame 18, and the pressing roller 19 is rotatably connected with the pressing frame 18, so that the pressing frame 18 drives the pressing roller 19 to move up and down, and the pressing roller 19 can rotate in the pressing frame 18; the intermediate shaft 20 penetrates through one support column 12, the intermediate shaft 20 is rotatably connected with the support column 12, so that the support column 12 supports the intermediate shaft 20, and meanwhile, the chain connecting component 21 is arranged on the outer side of the middle winding component 11, so that when the winding component 11 rotates, the winding component 11 drives the intermediate shaft 20 to rotate through the chain connecting component 21; when the intermediate shaft 20 rotates, the intermediate shaft 20 drives the screw rod 15 to rotate through the first bevel gear 22 and the second bevel gear 23, so that the screw rod 15 drives the lifting plate 16 to move up and down. When the product is used specifically, one end of the plastic woven bag is wound on the outer side of the winding component 11, and then the winding component 11 is rotated to enable the plastic woven bag to be wound on the winding component 11 gradually; meanwhile, laminating pinch roller 19 and plastic woven sack mutually to realize that pinch roller 19 compresses tightly the plastic woven sack, thereby make the braided sack tightly twine on rolling component 11, avoid the braided sack to take place not hard up. When rolling subassembly 11 rotates, and when making the plastic woven sack subassembly winding on rolling subassembly 11, the plastic woven sack winding diameter grow gradually on rolling subassembly 11 this moment, rolling subassembly 11 passes through chain coupling assembling 21 and drives jackshaft 20 and rotate, jackshaft 20 drives lead screw 15 through first bevel gear 22 and second bevel gear 23 and rotates, thereby realize that lead screw 15 drives lifter plate 16 rebound, so that lifter plate 16 passes through connecting rod 17 and drives pressure frame 18 and pressure roller 19 and upwards move, and then adjust the distance between pressure roller 19 and the rolling subassembly 11, in order to ensure that pressure roller 19 and plastic woven sack laminate mutually, avoid the distance undersize between pressure roller 19 and the rolling subassembly 11, and cause the unable winding in the condition of rolling subassembly 11 of plastic woven sack to take place. By adopting the structure, the chain connecting component 21 is simultaneously installed on the outer sides of the intermediate shaft 20 and the winding component 11, so that the winding component 11 and the intermediate shaft 20 can simultaneously rotate, the intermediate shaft 20 drives the screw rod 15 to rotate through the first bevel gear 22 and the second bevel gear 23, so that the lifting plate 16 and the pressing roller 19 are driven to move through the screw rod 15, the distance between the pressing roller 19 and the winding component 11 can be adjusted, the winding component 11 can be rotated to adjust the distance between the pressing roller 19 and the winding component 11, a driving device is not required to be additionally arranged to drive the pressing roller 19 to move, a power supply system of a cover driving device is not required to be configured, the production cost of a product is saved, and the applicability of the product is improved.

Specifically, the gear ratio between the first bevel gear 22 and the second bevel gear 23 is set to adjust the rotation speed ratio between the intermediate shaft 20 and the lead screw 15, so as to adjust the moving speed of the pressure roller 19, so that the pressure roller 19 is adapted to the speed of winding the plastic woven bag on the winding assembly 11.

Specifically, the lead screw 15 is a stepped shaft, so that the lead screw 15 is clamped with the first supporting plate 14, and the first supporting plate 14 supports the lead screw 15.

In the embodiment of the present invention, as shown in fig. 1 to 3, the chain connecting assembly 21 includes: a first sprocket 211, a second sprocket 212, and a chain 213; the first chain wheel 211 is sleeved outside one end of the winding assembly 11, and the first chain wheel 211 is positioned outside the upright post 10; the second chain wheel 212 is sleeved on the outer side of one end of the intermediate shaft 20, and the second chain wheel 212 is positioned on the outer side of the support column 12; the chain 213 is fitted around the outer sides of the first and

second sprockets

211 and 212.

Through the outside with first sprocket 211 suit in 11 one end of rolling up component, with the outside of second sprocket 212 suit in jackshaft 20 one end to with chain 213 suit in the outside of first sprocket 211 and second sprocket 212, in order to realize when rolling up component 11 rotates, rolling up component 11 drives jackshaft 20 through first sprocket 211, second sprocket 212 and chain 213 and rotates, thereby promotes the use of product and experiences.

In the embodiment of the present invention, as shown in fig. 1 to fig. 3, the plastic woven bag winding device further includes: a second support plate 24 and a light bar 25; two second support plates 24 are fixed on the other side of the connecting plate 13; the light bar 25 sequentially passes through the two second support plates 24 and the lifting plate 16, and both ends of the light bar 25 are connected to the two second support plates 24.

The two second support plates 24 are fixed on the other side of the connecting plate 13, the light bar 25 sequentially penetrates through the two second support plates 24, and two ends of the light bar 25 are connected with the two second support plates 24, so that the two second support plates 24 support the light bar 25; the lifting plate 16 moves along the light bar 25 by passing the light bar 25 through the lifting plate 16, thereby improving the stability of the movement of the lifting plate 16.

Specifically, the lever 25 is a stepped shaft so that the second support plate 24 is engaged with the lever 25.

In the embodiment of the present invention, as shown in fig. 1 to fig. 3, the plastic woven bag winding device further includes: a spring 26; one end of the spring 26 is connected to the connecting rod 17, and the other end of the spring 26 is connected to the pressing frame 18.

The elastic connection between the connecting rod 17 and the pressing frame 18 is realized by connecting one end of the spring 26 with the connecting rod 17 and connecting the other end of the spring 26 with the pressing frame 18. By adopting the structure, when the pressing roller 19 is attached to the plastic woven bag, the spring 26 is in a slightly compressed state, so that the spring 26 provides pretightening force to enable the pressing roller 19 to be closely attached to the plastic woven bag; moreover, through with connecting rod 17 and compress tightly and set up spring 26 between the frame 18 to realize that spring 26 can provide the compensation, avoid rotating asynchronous because of rolling component 11 and lead screw 15, the condition emergence in clearance appears in compression roller 19 and the plastic woven sack, experience with the use that promotes the product.

In the embodiment of the present invention, as shown in fig. 1 to fig. 3, the winding assembly 11 includes: a first connecting shaft 111, a second connecting shaft 112 and a take-up roll 113; the first connecting shaft 111 penetrates through one upright post 10, and the first connecting shaft 111 is rotatably connected with one upright post 10; the second connecting shaft 112 passes through the other upright post 10, and the second connecting shaft 112 is rotatably connected with the other upright post 10; two ends of the wind-up roller 113 are respectively connected with the first connecting shaft 111 and the second connecting shaft 112, and the wind-up roller 113 is positioned below the pressure roller 19.

The first connecting shaft 111 is supported by the upright post 10 by penetrating the first connecting shaft 111 through one upright post 10 and rotatably connecting the first connecting shaft 111 with one upright post 10; the second connecting shaft 112 penetrates through the other upright post 10, and the second connecting shaft 112 is rotatably connected with the other upright post 10, so that the other upright post 10 supports the second connecting shaft 112; the two ends of the wind-up roll 113 are respectively connected with the first connecting shaft 111 and the second connecting shaft 112, so that the first connecting shaft 111 and the second connecting shaft 112 support the wind-up roll 113, and the first connecting shaft 111, the second connecting shaft 112 and the wind-up roll 113 rotate synchronously. Adopt above-mentioned structure, can realize first connecting axle 111, second connecting axle 112 and wind-up roll 113 detachable and connect to realize when twining the plastic woven sack on the wind-up roll 113, dismantle wind-up roll 113 from first connecting axle 111 and second connecting axle 112, first connecting axle 111 and second connecting axle 112 need not to follow the stand 10 and dismantle this moment, experience in order to promote the use of product.

In the embodiment of the present invention, as shown in fig. 1 to fig. 3, the plastic woven bag winding device further comprises: a motor 27, a first pulley 28, a second pulley 29, and a belt 30; the motor 27 is provided with an output shaft, the motor 27 is fixed on the ground, and the motor 27 is positioned on one side of one upright post 10; the first belt pulley 28 is sleeved on the outer side of the output shaft; the second belt pulley 29 is sleeved on the outer side of the second connecting shaft 112, and the second belt pulley 29 is positioned on the outer side of the upright post 10; a belt 30 is simultaneously fitted around the outside of the first pulley 28 and the second pulley 29.

Through the outside with first belt pulley 28 suit at the output shaft, with second belt pulley 29 suit in the outside of second connecting axle 112 to suit belt 30 in the outside of first belt pulley 28 and second belt pulley 29 simultaneously, in order to realize that motor 27 drives second connecting axle 112 through first belt pulley 28, second belt pulley 29 and belt 30 and rotates, thereby drive wind-up roll 113 and rotate, and then realize that the plastic woven sack twines in the outside of wind-up roll 113, accomplish the rolling work.

In the description of the present invention, the term "plurality" means two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the description of the present invention, the terms "one embodiment," "some embodiments," "specific embodiments," and the like, are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In the present disclosure, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a plastic woven sack coiling mechanism which characterized in that, plastic woven sack coiling mechanism includes:

the two upright columns are fixed on the ground, and a space is reserved between the two upright columns;

the winding assembly is embedded between the two stand columns, and two ends of the winding assembly are respectively in rotating connection with the two stand columns;

the two support columns are respectively fixed on the two upright columns;

the two ends of the connecting plate are respectively connected with the two support columns;

the two first supporting plates are fixed on one side of the connecting plate, and a space is reserved between the two first supporting plates;

the outer wall of the screw rod is provided with external threads, and two ends of the screw rod are respectively rotatably connected with the two first supporting plates;

the lifting plate is internally provided with a threaded hole, an internal thread is arranged in the threaded hole, and the threaded hole of the lifting plate is sleeved on the outer side of the screw rod;

one end of at least two connecting rods is connected with the lifting plate;

the pressing frame is connected with the other ends of the at least two connecting rods and is positioned above the winding assembly;

the pressing roller is embedded into the pressing frame, is rotatably connected with the pressing frame and is positioned above the winding assembly;

the middle shaft penetrates through one support column and is rotationally connected with the support column;

the chain connecting assembly is simultaneously arranged on the outer sides of the middle shaft and the winding assembly;

the first bevel gear is sleeved on the outer side of the other end of the intermediate shaft;

the second bevel gear is sleeved on the outer side of the lead screw and is meshed with the first bevel gear;

wherein the external thread is adapted to the internal thread.

2. The plastic woven sack rolling device as claimed in claim 1, characterized in that said chain connecting assembly comprises:

the first chain wheel is sleeved on the outer side of one end of the winding assembly and is positioned on the outer side of the upright post;

the second chain wheel is sleeved on the outer side of one end of the middle shaft and is positioned on the outer side of the supporting column;

and the chain is sleeved on the outer sides of the first chain wheel and the second chain wheel.

3. The plastic woven bag winding device as claimed in claim 2, further comprising:

the two second supporting plates are fixed on the other side of the connecting plate;

the light bar penetrates through the two second supporting plates and the lifting plate in sequence, and two ends of the light bar are connected with the two second supporting plates.

4. The plastic woven bag winding device as claimed in claim 3, further comprising:

and one end of the spring is connected with the connecting rod, and the other end of the spring is connected with the pressing frame.

5. The plastic woven bag winding device as claimed in claim 1, wherein the winding assembly comprises:

the first connecting shaft penetrates through one upright post and is rotatably connected with one upright post;

the second connecting shaft penetrates through the other upright post and is rotatably connected with the other upright post;

and the two ends of the winding roller are respectively connected with the first connecting shaft and the second connecting shaft, and the winding roller is positioned below the pressing roller.

6. The plastic woven bag winding device as claimed in claim 5, further comprising:

the motor is provided with an output shaft, the motor is fixed on the ground, and the motor is positioned on one side of one upright post;

the first belt pulley is sleeved on the outer side of the output shaft;

the second belt pulley is sleeved on the outer side of the second connecting shaft and is positioned on the outer side of the upright post;

the belt is sleeved on the outer sides of the first belt pulley and the second belt pulley simultaneously.