CN219566978U

CN219566978U - Clip opening mechanism and winding machine

Info

Publication number: CN219566978U
Application number: CN202320316912.4U
Authority: CN
Inventors: 沈兵; 蒋世友
Original assignee: Shenzhen Xinyichang Technology Co Ltd
Current assignee: Shenzhen Xinyichang Technology Co Ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-08-22
Anticipated expiration: 2033-02-20

Abstract

The utility model discloses an opening and clamping mechanism and a winding machine, wherein the opening and clamping mechanism comprises a mounting seat, a connecting plate, a fixed wheel, a rotating wheel, a driving unit and a propelling cylinder, wherein the rotating wheel, the fixed wheel, the connecting plate and the mounting seat are sequentially arranged; the first side of mount pad slides and is provided with the sliding plate, and the one end and the connecting plate of sliding plate are connected, and the transmission shaft rotationally sets up in the first side of mount pad to be connected through the one side of keeping away from the mount pad of gear train and sliding plate, the periphery cover of transmission shaft is equipped with the adapter sleeve, and the adapter sleeve is located the top of mount pad and is connected with the helping hand motor. The utility model can improve the production efficiency and reduce the production cost.

Description

Clip opening mechanism and winding machine

Technical Field

The utility model relates to the technical field of lithium ion battery production, in particular to an opening and clamping mechanism and a winding machine.

Background

The battery cell of a lithium ion battery is generally completed by a winder.

At present, the pan feeding deviation correcting device of winder generally includes opening clamp mechanism and be used for driving opening clamp mechanism and reciprocate actuating mechanism, opening clamp mechanism includes the mount pad, the connecting plate, the tight pulley, the swiveling wheel and advance the cylinder, the swiveling wheel, the tight pulley, connecting plate and mount pad set gradually, the both ends of swiveling wheel are connected with the mount pad respectively, the both ends of tight pulley are connected with the connecting plate respectively, advance the cylinder setting in the first side of mount pad, the output and the connecting plate of advance cylinder are connected, when the head end of pole piece passes between tight pulley and the swiveling wheel, pass through the rotation of swiveling wheel and take the pole piece toward the winding district, when the position of pole piece needs to correct, move in order to press from both sides the pole piece towards the direction that is close to the swiveling wheel through advancing the cylinder driving tight pulley, then pass through actuating mechanism such as upwards, thereby can take the pole piece to remove, so that the position to realize correcting the pole piece, when the pole piece terminal passes between tight pulley and the swiveling wheel, the direction that is kept away from the swiveling wheel through advancing cylinder driving tight pulley and moves in order to get back initial position, thereby realize opening clamp, so that the next pole piece can pass between the end and the swiveling wheel. Because the propulsion cylinder is inflated by the electromagnetic valve control, so that the propulsion cylinder can drive the fixed wheel to move towards the direction close to the rotating wheel, and the propulsion cylinder is inflated by the electromagnetic valve control after the direction is switched, so that when the propulsion cylinder can drive the fixed wheel to move towards the direction far away from the rotating wheel to return to the initial position, the propulsion cylinder is inflated by the electromagnetic valve control, and the response time is required for the switching direction of the electromagnetic valve, so that the work of other mechanisms of the winding machine such as a winding needle mechanism, an unreeling mechanism and the like is lagged, the high-speed winding production cannot be realized, the production efficiency is reduced, and the production cost is increased.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the clamping opening mechanism and the winding machine, which improve the production efficiency and reduce the production cost.

The technical scheme adopted for solving the technical problems is as follows:

the first aspect of the utility model provides an opening and clamping mechanism, which comprises a mounting seat, a connecting plate, a fixed wheel, a rotating wheel, a driving unit and a propelling air cylinder, wherein the rotating wheel, the fixed wheel, the connecting plate and the mounting seat are sequentially arranged; the first side of the mounting seat is provided with a sliding plate in a sliding manner, one end of the sliding plate is connected with the connecting plate, the transmission shaft is rotatably arranged on the first side of the mounting seat and is connected with one side, far away from the mounting seat, of the sliding plate through a gear set, the periphery of the transmission shaft is sleeved with a connecting sleeve, the connecting sleeve is positioned above the mounting seat and is connected with the power-assisted motor, and the power-assisted motor is used for driving the connecting sleeve to rotate so as to drive the transmission shaft to rotate, so that the sliding plate can be driven to slide in a direction far away from the rotating wheel through the gear set, and then the output ends of the connecting plate, the fixed wheel and the propelling cylinder can be driven to move in a direction far away from the rotating wheel so as to return to an initial position; when the connecting plate moves towards the direction close to the rotating wheel, the sliding plate can be driven to slide towards the direction close to the rotating wheel by the movement of the connecting plate, so that the transmission shaft can be driven to rotate relative to the connecting sleeve through the gear set.

As the preferable technical scheme, the power-assisted structure further comprises a power-assisted transmission assembly, the connecting sleeve is connected with the power-assisted motor through the power-assisted transmission assembly, the power-assisted transmission assembly comprises a power-assisted driving wheel, a power-assisted driven wheel and a power-assisted synchronous belt sleeved on the peripheries of the power-assisted driving wheel and the power-assisted driven wheel, the power-assisted driving wheel is sleeved on the periphery of the output end of the power-assisted motor, and the power-assisted driven wheel is sleeved on the periphery of the top end of the connecting sleeve.

As the preferable technical scheme, the transmission shaft comprises a spline shaft and a spline housing, the spline shaft is rotatably arranged on the first side of the installation seat, the gear set comprises a gear and a rack meshed with the gear, the gear is sleeved on the periphery of the spline shaft, the rack is arranged on one side, far away from the installation seat, of the sliding plate, the top end of the spline shaft protrudes out of the top end of the installation seat and is connected with the spline housing, the connection sleeve is sleeved on the periphery of the spline housing, a one-way bearing is arranged in the connection sleeve, and the one-way bearing is sleeved on the periphery of the spline housing.

As the preferable technical scheme, still include two swiveling wheel mounting, two swiveling wheel mounting's one end respectively with the mount pad is connected, and the other end is equipped with two swiveling wheel mounting holes respectively, the swiveling wheel includes the swiveling wheel axle and overlaps and establish the swiveling wheel body of swiveling wheel axle periphery, the both ends of swiveling wheel axle run through respectively two swiveling wheel mounting holes set up, and the one end of swiveling wheel axle with drive unit connects.

As the preferable technical scheme, the driving unit comprises a driving motor and a synchronous belt group, the synchronous belt group comprises a driving wheel, a driven wheel and a synchronous belt sleeved on the peripheries of the driving wheel and the driven wheel, the driving wheel is sleeved on the periphery of the output end of the driving motor, and the driven wheel is sleeved on the periphery of one end of the rotating wheel shaft.

As the preferable technical scheme, still include two tight pulley mountings, the one end of two tight pulley mountings respectively with the connecting plate is connected, and the other end is equipped with two tight pulley mounting holes respectively, the tight pulley includes that fixed wheel axle and rotationally overlap establish the tight pulley body of fixed wheel axle periphery, the both ends of fixed wheel axle run through respectively the tight pulley mounting hole sets up.

As an preferable technical scheme, the sliding plate is arranged on the first side of the mounting seat through a sliding rail set.

As the preferable technical scheme, still include the bottom plate, with the connecting plate be connected first hang plate and with the second hang plate that the bottom plate is connected, the bottom plate sets up the second side of mount pad, the tight pulley is located between first hang plate and the second hang plate, first hang plate with the connecting plate is connected, first hang plate can be along with the connecting plate synchronous motion, the second hang plate with the bottom plate is connected.

As the preferable technical scheme, the center of the first side of the mounting seat is provided with a center block, the pushing cylinder is arranged on one side, far away from the connecting plate, of the center block, the center block is provided with a through hole, and the output end of the pushing cylinder penetrates through the through hole and is connected with the connecting plate.

A second aspect of the present utility model provides a winding machine comprising the opening mechanism of the above-described aspect.

The beneficial effects of the utility model are as follows: according to the utility model, through the arranged power-assisted structure, the power-assisted motor is adopted to drive the fixed wheel to move in the direction away from the rotating wheel so as to realize opening and clamping, compared with the existing mode, the response speed is high, accurate and rapid opening and clamping can be realized, the time is saved, high-speed winding production can be realized by matching with other mechanisms of the winding machine, the production efficiency is improved, and the production cost is reduced.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of a first angle of a starting mechanism according to an embodiment of the present utility model;

FIG. 2 is a schematic view of the opening mechanism of FIG. 1 with the protective cover removed at a first angle;

FIG. 3 is a schematic view of the structure of the opening mechanism of FIG. 1 at a second angle;

FIG. 4 is an exploded view of the opening mechanism of FIG. 1;

FIG. 5 is a schematic view of the open clamp mechanism of FIG. 1 with the base plate, slide plate, booster motor, open clamp drive assembly, first angled plate, second angled plate, and protective cover removed;

fig. 6 is a schematic structural view of the booster motor, booster synchronous belt set, connecting sleeve and spline housing of the opening mechanism shown in fig. 1.

Reference numerals:

12. a bottom plate; 13. a mounting base; 132. a center block, 133, a connecting block; 14. a connecting plate; 15. a fixed wheel; 16. a rotating wheel; 17. a fixed wheel mounting; 18. a rotating wheel mount; 19. a driving motor; 192. a driving motor fixing seat; 21. a driving wheel; 22. driven wheel; 23. a synchronous belt; 24. a sliding plate; 242. a slide block; 243. a slide rail; 25. a propulsion cylinder; 252. a cylinder block; 26. a booster motor; 262. a power-assisted motor fixing seat; 27. a spline shaft; 272. a mounting block; 273. a spline housing; 274. connecting sleeves; 275. a protective cover; 276. a mounting sleeve; 2762. installing a sleeve bidirectional bearing; 28. a power-assisted driving wheel; 29. a power-assisted driven wheel; 31. a power-assisted synchronous belt; 32. a gear; 33. a rack; 34. a first inclined plate; 342. a first mounting tab; 35. a second inclined plate; 352. and a second mounting piece.

Detailed Description

The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present utility model. It is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present utility model based on the embodiments of the present utility model. In addition, all the coupling/connection relationships referred to in the patent are not direct connection of the single-finger members, but rather, it means that a better coupling structure can be formed by adding or subtracting coupling aids depending on the specific implementation. The technical features in the utility model can be interactively combined on the premise of no contradiction and conflict.

Referring to fig. 1 to 5, an opening mechanism according to an embodiment of the present utility model includes a base plate 12, a mounting base 13, a connecting plate 14, a fixed wheel 15, a rotating wheel 16, two fixed wheel mounting members 17, two rotating wheel mounting members 18, a driving unit, a sliding plate 24, a pushing cylinder 25 and a power assisting structure.

The mounting block 13 has opposite first and second sides. The base plate 12 is disposed on a second side of the mount 13. The rotating wheel 16, the fixed wheel 15, the connecting plate 14 and the mounting seat 13 are sequentially arranged in parallel. A center block 132 is provided at a center position of the first side of the mount 13. The side of the mount 13 away from the connection plate 14 is formed with a connection block 133 at a position near the top end thereof.

The two ends of the fixed wheel 15 are respectively connected with the connecting plate 14 through two fixed wheel mounting pieces 14. Specifically, one end of each of the two fixed wheel mounting members 17 is connected to the top end and the bottom end of the connecting plate 14, and the other end is provided with two fixed wheel mounting holes. The fixed wheel 15 comprises a fixed wheel shaft and a fixed wheel body rotatably sleeved on the periphery of the fixed wheel shaft, the fixed wheel body can rotate around the axis of the fixed wheel shaft, and two ends of the fixed wheel shaft respectively penetrate through the fixed wheel mounting holes. Two fixed wheel bidirectional bearings are respectively arranged in two ends of the fixed wheel body, the two fixed wheel bidirectional bearings are respectively sleeved on the periphery of the fixed wheel shaft, and the two fixed wheel bidirectional bearings can provide support for rotation of the fixed wheel body.

Both ends of the rotary wheel 16 are connected with the mounting base 13 through two rotary wheel mounting members 18, respectively. Specifically, one end of each of the two rotating wheel mounting members 18 is connected to the top end and the bottom end of the mounting base 13, and the other end of each of the two rotating wheel mounting members is provided with two rotating wheel mounting holes. The rotary wheel 16 includes a rotary wheel shaft and a rotary wheel body fitted around the rotary wheel shaft. The two ends of the rotary wheel shaft respectively penetrate through the two rotary wheel mounting holes, and one end of the rotary wheel shaft is connected with the driving unit. The driving unit is used for driving the rotating wheel shaft to rotate, and the rotating wheel shaft can drive the rotating wheel body to synchronously rotate. During practical application, the rotation of the rotary wheel body can drive the pole piece to move, when the fixed wheel 15 moves towards the direction close to the rotary wheel 16, the fixed wheel body and the rotary wheel body are matched to realize clamping of the pole piece, and the fixed wheel body can rotate around the axis of the fixed wheel shaft, so that the pole piece can move conveniently.

The drive unit comprises a drive motor 19 and a set of synchronous belts. The mount 13 is located between the rotatable wheel 16 and the drive motor 19. The driving motor 19 is arranged at the bottom end of the driving motor fixing seat 192, the output end of the driving motor 19 penetrates through the driving motor fixing seat 192, and one end, close to the mounting seat 13, of the driving motor fixing seat 192 is arranged at the top end of the connecting block 133. The synchronous band group is located the mount pad 13, the top of driving motor fixing base 192, and synchronous band group includes action wheel 21, follows the driving wheel 22 and overlaps the hold-in range 23 of establishing at action wheel 21 and follow the driving wheel 22 periphery, and action wheel 21 cover is established at the periphery of the output of driving motor 19, follows the periphery of establishing at the one end of rotatory shaft from the driving wheel 22 cover. The driving motor 19 is used for driving the driving wheel 21 to rotate, under the driving action of the driven wheel 22 and the synchronous belt 23, the rotating wheel shaft can be driven to rotate relative to the two rotating wheel mounting pieces 18, the rotating wheel shaft can be driven to synchronously rotate by rotating the rotating wheel body, and therefore the driving motor 19 can drive the rotating wheel 16 to rotate through the synchronous belt group.

The pushing cylinder 25 is disposed on a first side of the mounting base 13, specifically, the pushing cylinder 25 is disposed on a side of the center block 132 away from the connection plate 14 through the cylinder base 252, the center block 132 has a through hole, and an output end (i.e., a piston rod) of the pushing cylinder 25 is disposed through the through hole and connected to the connection plate 14. The pushing cylinder 25 is used for driving the connecting plate 14 to move towards the direction approaching the rotating wheel 16, and the movement of the connecting plate 14 can drive the fixed wheel 15 to move towards the direction approaching the rotating wheel 16 so as to clamp the pole pieces.

The booster structure includes a booster motor 26, a booster drive assembly, a drive shaft, and a gear set.

The first side of the mounting seat 13 is slidably provided with a sliding plate 24, one end of the sliding plate 24 protrudes out of one side of the mounting seat 13, which is close to the connecting plate 14, and is connected with the connecting plate 14, and the sliding plate 24 can slide towards a direction close to or far from the rotating wheel 16 relative to the mounting seat 13. Specifically, the sliding plate 24 is disposed on the first side of the mounting seat 13 through a sliding rail set, the sliding rail set includes a sliding block 242 disposed on a side of the sliding plate 24 near the mounting seat 13 and a sliding rail 243 disposed on the first side of the mounting seat 13, the length direction of the sliding rail 243 is perpendicular to the axial direction of the rotating wheel 16, the sliding block 242 is slidably matched with the sliding rail 243, and the sliding block 242 can slide along the sliding rail 243, so that the sliding plate 24 can slide toward a direction near or far away from the rotating wheel 16 relative to the mounting seat 13 through the sliding rail set.

In this embodiment, two sliding plates 24 are disposed in parallel, the center block 132 is located between the two sliding plates 24, and the number of sliding rail sets corresponds to the number of sliding plates 24, which is also two. It will be appreciated that the number of slide plates 24 and slide rail sets may be set according to the actual situation.

In this embodiment, a groove is formed on a side of the mounting base 13 away from the bottom plate 12, and the slide rail 243 and the center block 132 are both disposed at the bottom of the groove. It will be appreciated that the side of the mounting block 13 remote from the base plate 12 may not be provided with a recess.

The drive shaft includes a spline shaft 27 and a spline housing 273.

Referring to fig. 6, the spline shaft 27 is rotatably disposed on the first side of the mounting seat 13 by two mounting blocks 272, specifically, the two mounting blocks 272 are disposed on the first side of the mounting seat 13 and are disposed in parallel up and down, the groove of the mounting seat 13 is located between the two mounting blocks 272, the two mounting blocks 272 are respectively provided with mounting holes for mounting the spline shaft 27, the bottom end of the spline shaft 27 is disposed in the mounting hole of the mounting block 272 located below, and the top end of the spline shaft 27 passes through the mounting hole of the mounting block 272 located above and protrudes from the top end of the mounting seat 13, and is connected with the spline housing 273. Two mounting block bidirectional bearings are respectively arranged in the mounting holes of the two mounting blocks 272, and are respectively sleeved on the periphery of the spline shaft 27, so that the rotation of the spline shaft 27 can be supported through the two mounting block bidirectional bearings. It will be appreciated that the number of mounting blocks 272 may be set according to actual circumstances.

The gear set comprises two gears 32 and two racks 33 respectively meshed with the two gears 32. The two racks 33 are respectively arranged on one side of the sliding plate 24 far away from the mounting seat 13, the length direction of the racks 33 is perpendicular to the axial direction of the rotating wheel 16, and the two gears 32 are sleeved on the periphery of the spline shaft 27, so that the spline shaft 27 is connected with one side of the sliding plate 24 far away from the mounting seat 13 through a gear set.

The two mounting blocks 272 are provided with protective covers 275, and the protective covers 275 play a role in protecting the gear 32 and the rack 33.

The periphery of spline housing 273 is equipped with adapter sleeve 274, and adapter sleeve 274 is located the top of mount pad 13. The connecting sleeve 274 is internally provided with a one-way bearing, and the one-way bearing is sleeved on the periphery of the spline housing 273. In this embodiment, there are two unidirectional bearings, and the two unidirectional bearings are respectively near two ends of the connecting sleeve 274. The periphery of the connecting sleeve 274 is sleeved with a mounting sleeve 276, a mounting sleeve bidirectional bearing 2762 is arranged in the mounting sleeve 276, the mounting sleeve bidirectional bearing sleeve 2762 is sleeved on the periphery of the connecting sleeve 274, and two mounting sleeve bidirectional bearing sleeves 2762 are respectively close to two ends of the mounting sleeve 276. It will be appreciated that the number of one-way bearings, mounting sleeve two-way bearings 2762 may be set according to the actual circumstances. Through the one-way bearing that sets up, when adapter sleeve 274 rotates, the rotation of adapter sleeve 274 can drive spline housing 273, spline shaft 27 rotation, and when spline housing 273, spline shaft 27 rotate, the rotation of spline housing 273, spline shaft 27 can not drive adapter sleeve 274 rotation. The connecting sleeve 274 and the transmission shaft are provided with the mounting sleeve 276 to play a role of mounting and supporting.

The booster motor 26 is disposed at the top end of the booster motor holder 262, and the output end of the booster motor 26 is disposed through the booster motor holder 262.

The power-assisted transmission assembly is positioned below the power-assisted motor 26 and is respectively connected with the connecting sleeve 274 and the power-assisted motor 26. Specifically, the power-assisted transmission assembly comprises a power-assisted driving wheel 28, a power-assisted driven wheel 29 and a power-assisted synchronous belt 31 sleeved on the peripheries of the power-assisted driving wheel 28 and the power-assisted driven wheel 29. The booster driving wheel 28 is sleeved on the periphery of the output end of the booster motor 26, and the booster driven wheel 29 is sleeved on the periphery of the top end of the connecting sleeve 274.

The booster motor 26 is used for driving the booster driving wheel 28 to rotate, under the action of the booster driven wheel 29 and the booster synchronous belt 31, the connecting sleeve 274 can be driven to rotate relative to the mounting sleeve 276, under the limiting action of the unidirectional bearing, the spline sleeve 273 can be driven to rotate together by the rotation of the connecting sleeve 274, the spline shaft 27 can be driven to rotate relative to the two mounting blocks 272, the two gears 32 can be driven to rotate, the two sliding plates 24 can be driven to slide relative to the mounting seat 13 along the direction away from the rotating wheel 16 through the two racks 33, and the connecting plate 14, the fixed wheel 15 and the output end of the propulsion cylinder 25 can be driven to move along the direction away from the rotating wheel 16 so as to return to the initial position. When the connecting plate 14 moves towards the direction approaching the rotating wheel 16, the movement of the connecting plate 14 can drive the two sliding plates 24 to slide towards the direction approaching the rotating wheel 16, so that the two racks 33 can be driven to move towards the direction approaching the rotating wheel 16, the two gears 32 can be driven to rotate, the rotation of the two gears 32 can drive the spline shaft 27 to rotate, and under the action of the unidirectional bearing, the rotation of the spline shaft 27 can drive the spline sleeve 273 to rotate relative to the connecting sleeve 274, and the connecting sleeve 274 does not rotate.

The opening mechanism of the present utility model further includes a first inclined plate 34 connected to the connecting plate 14 and a second inclined plate 35 connected to the bottom plate 12. The fixed sheave 15 is located between the first inclined plate 34 and the second inclined plate 35, and the first inclined plate 34 is movable in synchronization with the connecting plate 14. In this embodiment, specifically, one end of the first inclined plate 34 is close to the fixed wheel 15, and the other end is inclined toward the direction of approaching the connecting plate 14, and the side of the first inclined plate 34 close to the connecting plate 14 is connected to the side of the connecting plate 14 away from the bottom plate 12 through the first mounting piece 342. One end of the second inclined plate 35 is adjacent to the fixed sheave 16, and the other end is inclined in a direction of approaching the rotating sheave 16, and one side of the second inclined plate 35, which is adjacent to the bottom plate 12, is connected to one side of the bottom plate 12, which is adjacent to the rotating sheave 16, by a second mounting piece 352. The inclination angle of the first inclined plate 34 and the inclination angle of the second inclined plate 35 may be set according to actual conditions. The first inclined plate 35 and the second inclined plate 35 serve as guides for the pole pieces.

The bidirectional bearings are deep groove ball bearings, and the output end of the motor refers to the motor shaft of the motor.

Through the structure, the working principle of the utility model is as follows: when the head end of the pole piece passes through the space between the fixed wheel 15 and the rotating wheel 16 under the guiding action of the first inclined plate 34, the rotating wheel 16 is driven to rotate by the driving motor 19, the rotating wheel 16 can drive the pole piece to move towards the winding mechanism of the winding machine under the guiding action of the second inclined plate 35, in the process of pole piece moving, when the position of the pole piece needs to be corrected, the fixed wheel 15 is driven to move towards the direction close to the rotating wheel 16 by the pushing cylinder 25 to clamp the pole piece, then the clamping opening mechanism is moved upwards, for example, so that the pole piece can be driven to move, the correction of the position of the pole piece can be realized, when the tail end of the pole piece passes through the space between the fixed wheel 15 and the rotating wheel 16, the connecting plate 14, the fixed wheel 15 and the output end of the pushing cylinder 25 are driven to move towards the direction far away from the rotating wheel 16 by the power-assisted motor 26 to return to the initial position, so that the head end of the next pole piece can pass through the space between the fixed wheel 15 and the rotating wheel 16 under the guiding action of the first inclined plate 34. According to the utility model, through the arranged power-assisted structure, the power-assisted motor 26 is adopted to drive the fixed wheel 15 to move in the direction away from the rotary wheel 16 so as to realize opening clamping, and compared with the existing mode, the power-assisted winding machine has the advantages of high response speed, capability of realizing accurate and rapid opening clamping, time saving, capability of realizing high-speed winding production by being matched with other mechanisms of the winding machine, production efficiency improvement and production cost reduction.

The utility model also provides a winding machine comprising the clamping opening mechanism.

While the preferred embodiment of the present utility model has been described in detail, the present utility model is not limited to the embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present utility model, and the equivalent modifications or substitutions are included in the scope of the present utility model as defined in the appended claims.

Claims

1. The utility model provides an open clamp mechanism, includes mount pad, connecting plate, tight pulley, swiveling wheel, drive unit and propulsion cylinder, swiveling wheel, tight pulley, connecting plate and mount pad set gradually, the both ends of swiveling wheel respectively with the mount pad is connected, drive unit is used for driving swiveling wheel rotates, the both ends of tight pulley respectively with the connecting plate is connected, propulsion cylinder sets up the first side of mount pad, propulsion cylinder's output with the connecting plate is connected, propulsion cylinder is used for driving connecting plate, tight pulley are towards being close to the direction of swiveling wheel removes, its characterized in that still includes helping hand structure, helping hand structure includes helping hand motor and transmission shaft;

the first side of the mounting seat is provided with a sliding plate in a sliding manner, one end of the sliding plate is connected with the connecting plate, the transmission shaft is rotatably arranged on the first side of the mounting seat and is connected with one side, far away from the mounting seat, of the sliding plate through a gear set, the periphery of the transmission shaft is sleeved with a connecting sleeve, the connecting sleeve is positioned above the mounting seat and is connected with the power-assisted motor, and the power-assisted motor is used for driving the connecting sleeve to rotate so as to drive the transmission shaft to rotate, so that the sliding plate can be driven to slide in a direction far away from the rotating wheel through the gear set, and then the output ends of the connecting plate, the fixed wheel and the propelling cylinder can be driven to move in a direction far away from the rotating wheel so as to return to an initial position;

when the connecting plate moves towards the direction close to the rotating wheel, the sliding plate can be driven to slide towards the direction close to the rotating wheel by the movement of the connecting plate, so that the transmission shaft can be driven to rotate relative to the connecting sleeve through the gear set.

2. The opening and clamping mechanism according to claim 1, wherein the power-assisted structure further comprises a power-assisted transmission assembly, the connecting sleeve is connected with the power-assisted motor through the power-assisted transmission assembly, the power-assisted transmission assembly comprises a power-assisted driving wheel, a power-assisted driven wheel and a power-assisted synchronous belt sleeved on the peripheries of the power-assisted driving wheel and the power-assisted driven wheel, the power-assisted driving wheel is sleeved on the periphery of the output end of the power-assisted motor, and the power-assisted driven wheel is sleeved on the periphery of the top end of the connecting sleeve.

3. The clamping opening mechanism according to claim 1, wherein the transmission shaft comprises a spline shaft and a spline housing, the spline shaft is rotatably arranged on the first side of the installation seat, the gear set comprises a gear and a rack meshed with the gear, the gear housing is arranged on the periphery of the spline shaft, the rack is arranged on one side, far away from the installation seat, of the sliding plate, the top end of the spline shaft protrudes out of the top end of the installation seat and is connected with the spline housing, the connecting sleeve is arranged on the periphery of the spline housing, a one-way bearing is arranged in the connecting sleeve, and the one-way bearing housing is arranged on the periphery of the spline housing.

4. The opening mechanism according to claim 1, further comprising two rotating wheel mounting members, wherein one ends of the two rotating wheel mounting members are respectively connected with the mounting base, two rotating wheel mounting holes are respectively formed in the other ends of the two rotating wheel mounting members, the rotating wheel comprises a rotating wheel shaft and a rotating wheel body sleeved on the periphery of the rotating wheel shaft, two ends of the rotating wheel shaft respectively penetrate through the two rotating wheel mounting holes, and one ends of the rotating wheel shaft are connected with the driving unit.

5. The mechanism of claim 4, wherein the driving unit comprises a driving motor and a synchronous belt group, the synchronous belt group comprises a driving wheel, a driven wheel and a synchronous belt sleeved on the peripheries of the driving wheel and the driven wheel, the driving wheel is sleeved on the periphery of the output end of the driving motor, and the driven wheel is sleeved on the periphery of one end of the rotating wheel shaft.

6. The clamping opening mechanism according to claim 1, further comprising two fixed wheel mounting pieces, wherein one ends of the two fixed wheel mounting pieces are respectively connected with the connecting plate, two fixed wheel mounting holes are respectively formed in the other ends of the two fixed wheel mounting pieces, the fixed wheel comprises a fixed wheel shaft and a fixed wheel body rotatably sleeved on the periphery of the fixed wheel shaft, and two ends of the fixed wheel shaft respectively penetrate through the fixed wheel mounting holes.

7. The clip opening mechanism of claim 1, wherein the sliding plate is disposed on the first side of the mount via a sliding rail set.

8. The clip opening mechanism of claim 1, further comprising a base plate, a first angled plate coupled to the connecting plate, and a second angled plate coupled to the base plate, the base plate disposed on the second side of the mount, the fixed sheave positioned between the first angled plate and the second angled plate, the first angled plate coupled to the connecting plate, the first angled plate being movable in unison with the connecting plate, the second angled plate coupled to the base plate.

9. The clip opening mechanism according to claim 1, wherein a center block is provided at a center position of the first side of the mounting base, the pushing cylinder is provided at a side of the center block away from the connection plate, the center block has a through hole, and an output end of the pushing cylinder is provided through the through hole and connected to the connection plate.

10. A winding machine comprising an opening and clamping mechanism according to any one of claims 1 to 9.