Device for removing supplied material abnormal pole pieces through roller separation unwinding

Abstract

The utility model discloses a device for removing supplied material abnormal pole pieces through roller separation unwinding, which comprises a first pole piece clamping roller, a second pole piece clamping roller, a pole piece cutting mechanism, a third pole piece clamping roller, a first pole piece clamping mechanism, a second pole piece clamping mechanism and an abnormal pole piece winding mechanism, the first pole piece clamping roller, the second pole piece clamping roller, the pole piece cutting mechanism and the third pole piece clamping roller are sequentially arranged in the pole piece conveying direction, and the first pole piece clamping mechanism and the second pole piece clamping mechanism are arranged between the pole piece cutting mechanism and the third pole piece clamping roller; and the abnormal pole piece winding mechanism is arranged below the first pole piece clamping mechanism and the second pole piece clamping mechanism. According to the utility model, full-automatic elimination and automatic winding of the abnormal pole pieces are realized, the elimination efficiency of the abnormal pole pieces is greatly improved, and the pole lugs cannot be damaged due to automatic operation.

Description

Technical Field

[0001] The utility model relates to a device for removing abnormal pole pieces, in particular to a device for removing abnormal incoming pole pieces during roll splitting and unwinding, belonging to the technical field of lithium battery production. Background Art

[0002] When producing lithium batteries, the positive and negative pole pieces need to be cut into required widths after production and then wound into lithium batteries. Usually, after the positive and negative pole pieces are roll-split, it is necessary to detect the split positive and negative pole pieces. When abnormal pole pieces are detected, these abnormal pole pieces need to be removed to ensure the yield rate of subsequent lithium battery production. Currently, the removal of abnormal pole pieces mainly relies on manual operation, which is slow and prone to damaging the pole ears. Summary of the Utility Model

[0003] The technical problem to be solved by the utility model is to provide a device for removing abnormal incoming pole pieces during roll splitting and unwinding, which can improve the removal efficiency of abnormal pole pieces and will not damage the pole ears.

[0004] To solve the above technical problem, the technical solution adopted by the utility model is:

[0005] A device for removing abnormal incoming pole pieces during roll splitting and unwinding includes a first pole piece clamping roller, a second pole piece clamping roller, a pole piece cutting mechanism, a third pole piece clamping roller, a first pole piece clamping and picking mechanism, a second pole piece clamping and picking mechanism, and an abnormal pole piece winding mechanism. The first pole piece clamping roller, the second pole piece clamping roller, the pole piece cutting mechanism, and the third pole piece clamping roller are arranged in sequence along the conveying direction of the pole piece. The first pole piece clamping and picking mechanism and the second pole piece clamping and picking mechanism are arranged between the pole piece cutting mechanism and the third pole piece clamping roller, and the abnormal pole piece winding mechanism is arranged below the first pole piece clamping and picking mechanism and the second pole piece clamping and picking mechanism.

[0006] Furthermore, the pole piece cutting mechanism includes a blade roller shaft and a knife groove roller shaft. The surface of the blade roller shaft is provided with a plurality of blade chutes arranged along the axial direction of the blade roller shaft. The plurality of blade chutes are equally spaced along the circumferential direction of the blade roller shaft. The blades are slidably arranged in the blade chutes along the radial direction of the blade roller shaft. An air shaft is arranged inside the blade roller shaft. One side of the blade close to the center of the blade roller shaft is fixed on the outer side surface of the air shaft, and the air shaft drives the blade to slide and expand along the radial direction of the blade roller shaft in the blade chute. The knife groove roller shaft is provided with knife grooves corresponding to the blades on the blade roller shaft in terms of quantity and position.

[0007] Furthermore, the first pole piece clamping mechanism includes a first clamping roller, a first clamping roller bracket, a second clamping roller, a second clamping roller bracket, a first clamping cylinder, a second clamping cylinder, a first main bracket, and a horizontal driving mechanism. The first clamping roller is rotatably arranged on the first clamping roller bracket, and the second clamping roller is rotatably arranged on the second clamping roller bracket. The upper side of the first clamping roller bracket is connected to the first clamping cylinder and is driven by the first clamping cylinder to move up and down in the vertical direction. The lower side of the second clamping roller bracket is connected to the second clamping cylinder and is driven by the second clamping cylinder to move up and down in the vertical direction. The first clamping cylinder and the second clamping cylinder are fixed on the first main bracket, and the first main bracket is connected to the horizontal driving mechanism and is driven by the horizontal driving mechanism to slide back and forth in the horizontal direction.

[0008] Furthermore, the horizontal driving mechanism includes a horizontal slide rail and a horizontal driving cylinder. The horizontal slide rail is arranged in the horizontal direction. The lower end of the first main bracket is provided with a slide rail guide sleeve, and the lower end of the first main bracket is slidably arranged on the horizontal slide rail through the slide rail guide sleeve. One side of the first main bracket is connected to the horizontal driving cylinder and is driven by the horizontal driving cylinder to slide back and forth on the horizontal slide rail in the horizontal direction.

[0009] Furthermore, the second pole piece clamping mechanism includes a third clamping roller, a third clamping roller bracket, a fourth clamping roller, a fourth clamping roller bracket, a third clamping cylinder, a fourth clamping cylinder, a second main bracket, a third main bracket, a rotary driving motor, and a vertical driving mechanism. The third clamping roller is rotatably arranged on the third clamping roller bracket, and the fourth clamping roller is rotatably arranged on the fourth clamping roller bracket. The upper side of the third clamping roller bracket is connected to the third clamping cylinder and is driven by the third clamping cylinder to move up and down in the vertical direction. The lower side of the fourth clamping roller bracket is connected to the fourth clamping cylinder and is driven by the fourth clamping cylinder to move up and down in the vertical direction. The third clamping cylinder and the fourth clamping cylinder are fixed on the second main bracket. The lower end of the second main bracket is rotatably arranged on the third main bracket through a rotating shaft. One end of the rotating shaft is connected to the rotary driving motor and is driven by the rotary driving motor to rotate. The third main bracket is connected to the vertical driving mechanism and is driven by the vertical driving mechanism to move up and down in the vertical direction.

[0010] Furthermore, the vertical driving mechanism includes a fourth main bracket, a vertical slide rail, and a vertical driving cylinder. The vertical slide rail is arranged on the fourth main bracket in the vertical direction. One side of the third main bracket is provided with a slide rail guide sleeve, and the third main bracket is slidably arranged on the vertical slide rail through the slide rail guide sleeve. The lower side of the third main bracket is connected to the vertical driving cylinder and is driven by the vertical driving cylinder to move up and down in the vertical direction on the vertical slide rail.

[0011] Further, the abnormal pole piece winding mechanism includes a winding roller shaft, a winding drive motor, a winding pressure roller, and a winding pressure roller elastic mechanism. The winding roller shaft is connected to the winding drive motor and driven by the winding drive motor to rotate. The winding pressure roller abuts against the outer side of the winding roller shaft. The winding pressure roller is arranged on the winding pressure roller elastic mechanism, and the winding pressure roller elastic mechanism provides an elastic force towards the outer side of the winding roller shaft.

[0012] Further, the winding pressure roller elastic mechanism includes a pressure roller swing arm, a pressure roller base, and a spring. The winding pressure roller is rotatably arranged at one end of the pressure roller swing arm. The other end of the pressure roller swing arm is hinged to the pressure roller base. One end of the spring is arranged on the pressure roller swing arm, and the other end of the spring is arranged on the pressure roller base.

[0013] Compared with the prior art, the present utility model has the following advantages and effects: The present utility model provides a device for removing abnormal pole pieces in incoming materials by roller splitting and unwinding. After detecting an abnormal pole piece, the pole piece is cut by a pole piece cutting mechanism, and then the head of the cut abnormal pole piece is clamped by a second pole piece clamping mechanism and guided to the abnormal pole piece winding mechanism for winding. When the pole piece returns to normal, the pole piece is cut again, and then the head of the normal pole piece is guided to a third pole piece clamping roller by a first pole piece clamping mechanism to resume production. The present utility model realizes the full-automatic removal of abnormal pole pieces and automatic winding, greatly improving the removal efficiency of abnormal pole pieces, and the automated operation will not damage the pole ears. Description of the Drawings

[0014] Figure 1 is a schematic diagram of a device for removing abnormal pole pieces in incoming materials by roller splitting and unwinding of the present utility model.

[0015] Figure 2 is a schematic diagram of the pole piece cutting mechanism of the present utility model.

[0016] Figure 3 is a schematic diagram of the first pole piece clamping mechanism of the present utility model.

[0017] Figure 4 is a schematic diagram of the second pole piece clamping mechanism of the present utility model.

[0018] Figure 5 is a schematic diagram of the abnormal pole piece winding mechanism of the present utility model. Detailed Embodiments

[0019] In order to elaborate in detail the technical solutions adopted by the present utility model to achieve the predetermined technical purposes, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only partial embodiments of the present utility model, rather than all embodiments. Moreover, without creative efforts, the technical means or technical features in the embodiments of the present utility model can be replaced. The following will refer to the drawings and combine with the embodiments to elaborate on the present utility model in detail.

[0020] As Figure 1 shown, a device for removing abnormal incoming pole pieces by roll separation and unwinding in the present utility model includes a first pole piece clamping roll 1, a second pole piece clamping roll 2, a pole piece cutting mechanism 3, a third pole piece clamping roll 4, a first pole piece clamping mechanism 5, a second pole piece clamping mechanism 6, and an abnormal pole piece winding mechanism 7. The first pole piece clamping roll 1, the second pole piece clamping roll 2, the pole piece cutting mechanism 3, and the third pole piece clamping roll 4 are arranged in sequence along the conveying direction of the pole piece. The first pole piece clamping mechanism 5 and the second pole piece clamping mechanism 6 are arranged between the pole piece cutting mechanism 3 and the third pole piece clamping roll 4, and the abnormal pole piece winding mechanism 7 is arranged below the first pole piece clamping mechanism 5 and the second pole piece clamping mechanism 6.

[0021] As Figure 2 shown, the pole piece cutting mechanism 3 includes a blade roller shaft 8 and a knife groove roller shaft 9. A plurality of blade chutes are formed on the surface of the blade roller shaft 8 along the axial direction of the blade roller shaft 8, and the plurality of blade chutes are equally spaced along the circumferential direction of the blade roller shaft 8. The blade 10 is slidably arranged in the blade chute along the radial direction of the blade roller shaft 8. An air shaft 11 is arranged inside the blade roller shaft 8. One side of the blade 10 close to the center of the blade roller shaft 8 is fixed on the outer side surface of the air shaft 11, and the air shaft 11 drives the blade 10 to slide and expand along the radial direction of the blade roller shaft 8 in the blade chute. Knife grooves 12 corresponding to the blades 10 on the blade roller shaft 8 in number and position are formed on the knife groove roller shaft 9. When an abnormal pole piece is detected, the air shaft 11 is inflated to drive the blade 10 in the blade chute to slide outward along the radial direction of the blade roller shaft 8, so that a small part of the cutting edge of the blade 10 exposes outside the blade roller shaft 8. The slid-out blade 10 cooperates with the guide groove roller shaft 9 to cut the pole piece. The width of the knife groove 12 in the guide groove roller shaft 9 is greater than the thickness of the blade 10 to facilitate the blade 10 to enter the knife groove 12 during rotation.

[0022] As Figure 3As shown, the first pole piece clamping mechanism 5 includes a first clamping roller 13, a first clamping roller bracket 14, a second clamping roller 15, a second clamping roller bracket 16, a first clamping cylinder 17, a second clamping cylinder 18, a first main bracket 19 and a horizontal driving mechanism. The first clamping roller 13 is rotatably arranged on the first clamping roller bracket 14, and the second clamping roller 15 is rotatably arranged on the second clamping roller bracket 16. The upper side of the first clamping roller bracket 14 is connected to the first clamping cylinder 17 and is driven by the first clamping cylinder 17 to move up and down in the vertical direction. The lower side of the second clamping roller bracket 16 is connected to the second clamping cylinder 18 and is driven by the second clamping cylinder 18 to move up and down in the vertical direction. The first clamping cylinder 17 and the second clamping cylinder 18 are fixed on the first main bracket 19, and the first main bracket 19 is connected to the horizontal driving mechanism and is driven by the horizontal driving mechanism to slide back and forth in the horizontal direction.

[0023] The horizontal driving mechanism includes a horizontal slide rail 20 and a horizontal driving cylinder 21. The horizontal slide rail 20 is arranged in the horizontal direction. A slide rail guide sleeve 22 is arranged at the lower end of the first main bracket 19, and the lower end of the first main bracket 19 is slidably arranged on the horizontal slide rail 20 through the slide rail guide sleeve 22. One side of the first main bracket 19 is connected to the horizontal driving cylinder 21 and is driven by the horizontal driving cylinder 21 to slide back and forth on the horizontal slide rail 20 in the horizontal direction.

[0024] As Figure 4 shown, the second pole piece clamping mechanism includes a third clamping roller 22, a third clamping roller bracket 23, a fourth clamping roller 24, a fourth clamping roller bracket 25, a third clamping cylinder 26, a fourth clamping cylinder 27, a second main bracket 28, a third main bracket 29, a rotary driving motor and a vertical driving mechanism. The third clamping roller 22 is rotatably arranged on the third clamping roller bracket 23, and the fourth clamping roller 24 is rotatably arranged on the fourth clamping roller bracket 25. The upper side of the third clamping roller bracket 23 is connected to the third clamping cylinder 26 and is driven by the third clamping cylinder 26 to move up and down in the vertical direction. The lower side of the fourth clamping roller bracket 25 is connected to the fourth clamping cylinder 27 and is driven by the fourth clamping cylinder 27 to move up and down in the vertical direction. The third clamping cylinder 26 and the fourth clamping cylinder 27 are fixed on the second main bracket 28. The lower end of the second main bracket 28 is rotatably arranged on the third main bracket 29 through a rotating shaft. One end of the rotating shaft is connected to the rotary driving motor and is driven by the rotary driving motor to rotate. The third main bracket 29 is connected to the vertical driving mechanism and is driven by the vertical driving mechanism to move up and down in the vertical direction.

[0025] The vertical driving mechanism includes a fourth main bracket 30, a vertical slide rail 31 and a vertical driving cylinder 32. The vertical slide rail 31 is arranged on the fourth main bracket 30 in the vertical direction. A slide rail guide sleeve is arranged on one side of the third main bracket 29, and the third main bracket 29 is slidably arranged on the vertical slide rail 31 through the slide rail guide sleeve. The lower side of the third main bracket 29 is connected to the vertical driving cylinder 32 and is driven by the vertical driving cylinder 32 to move up and down on the vertical slide rail 31 in the vertical direction.

[0026] As shown Figure 5 in the figure, the abnormal pole piece winding mechanism includes a winding roller shaft 33, a winding drive motor, a winding pressure roller 34 and a winding pressure roller elastic mechanism. The winding roller shaft 33 is connected to the winding drive motor and is driven by the winding drive motor to rotate. The winding pressure roller 34 abuts against the outer side of the winding roller shaft 33. The winding pressure roller 34 is arranged on the winding pressure roller elastic mechanism, and the winding pressure roller elastic mechanism provides an elastic force towards the outer side of the winding roller shaft 33.

[0027] The winding pressure roller elastic mechanism includes a pressure roller swing arm 35, a pressure roller base 36 and a spring 37. The winding pressure roller 34 is rotatably arranged at one end of the pressure roller swing arm 35. The other end of the pressure roller swing arm 35 is hinged to the pressure roller base 36. One end of the spring 37 is arranged on the pressure roller swing arm 35, and the other end of the spring 37 is arranged on the pressure roller base 36.

[0028] When the device for removing abnormal pole pieces in incoming materials by roller splitting and unwinding of the present utility model works, the pole pieces are detected by sensors. When abnormal pole pieces are detected, the air shaft 11 in the pole piece cutting mechanism 3 drives the blade 10 to extend outward from the blade roller shaft 8 to cut the pole pieces. The head of the cut pole piece extends between the clamping rollers of the second pole piece clamping mechanism. Then, the second pole piece clamping mechanism rotates downward and then slides vertically downward until the clamping rollers contact the winding roller shaft 33 of the abnormal pole piece winding mechanism. The abnormal pole pieces are wound around the winding roller shaft 33 and compacted by the winding pressure roller 34. When the pole pieces are normal, the air shaft 11 in the pole piece cutting mechanism 3 drives the blade 10 to extend outward from the blade roller shaft 8 to cut the pole pieces. The head of the cut pole piece extends between the clamping rollers of the first pole piece clamping mechanism. The first pole piece clamping mechanism moves to the right so that the head of the pole piece smoothly extends into the third pole piece clamping roller 4.

[0029] The present utility model provides a device for removing abnormal pole pieces in incoming materials by roller splitting and unwinding. After detecting abnormal pole pieces, the pole pieces are cut by the pole piece cutting mechanism. Then, the head of the cut abnormal pole pieces is clamped by the second pole piece clamping mechanism and guided to the abnormal pole piece winding mechanism for winding. When the pole pieces return to normal, the pole pieces are cut again. Then, the head of the normal pole pieces is guided to the third pole piece clamping roller by the first pole piece clamping mechanism to resume production. The present utility model realizes the full-automatic removal of abnormal pole pieces and automatic winding, greatly improves the removal efficiency of abnormal pole pieces, and the automated operation will not damage the pole ears.

[0030] The above are only the preferred embodiments of the present utility model, and do not impose any form of limitation on the present utility model. Although the present utility model has been disclosed above with the preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art, within the scope of the technical solution of the present utility model, can make some changes or modifications to the above-disclosed technical content to obtain equivalent embodiments with equivalent changes. However, as long as it does not depart from the technical solution content of the present utility model, and based on the technical essence of the present utility model, any simple modification, equivalent replacement, and improvement made to the above embodiments within the spirit and principle of the present utility model still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A device for removing abnormal pole pieces from incoming materials during roll unwinding, characterized in that: It comprises a first pole piece clamping roller, a second pole piece clamping roller, a pole piece cutting mechanism, a third pole piece clamping roller, a first pole piece clamping mechanism, a second pole piece clamping mechanism and an abnormal pole piece winding mechanism. The first pole piece clamping roller, the second pole piece clamping roller, the pole piece cutting mechanism and the third pole piece clamping roller are arranged in sequence along the conveying direction of the pole piece, the first pole piece clamping mechanism and the second pole piece clamping mechanism are arranged between the pole piece cutting mechanism and the third pole piece clamping roller, and the abnormal pole piece winding mechanism is arranged below the first pole piece clamping mechanism and the second pole piece clamping mechanism.

2. The device for removing abnormal pole pieces during roll unwinding according to claim 1 is characterized in that: The pole piece cutting mechanism comprises a blade roller and a knife groove roller. The surface of the blade roller is provided with a plurality of blade slide grooves arranged along the axial direction of the blade roller. The plurality of blade slide grooves are evenly spaced along the circumferential direction of the blade roller. The blade is arranged in the blade slide groove for radial sliding movement along the blade roller. An air expansion shaft is arranged in the blade roller. The side of the blade close to the center of the blade roller is fixed on the outer side surface of the air expansion shaft. The blade is driven by the air expansion shaft to slide and retract in the blade slide groove along the radial direction of the blade roller. The knife groove roller is provided with knife grooves whose number and position correspond to the blades on the blade roller.

3. The device for removing abnormal pole pieces during roll unwinding according to claim 1 is characterized in that: The first pole piece clamping mechanism comprises a first clamping roller, a first clamping roller bracket, a second clamping roller, a second clamping roller bracket, a first clamping cylinder, a second clamping cylinder, a first main bracket and a horizontal driving mechanism. The first clamping roller is rotatably arranged on the first clamping roller bracket, and the second clamping roller is rotatably arranged on the second clamping roller bracket. The upper side of the first clamping roller bracket is connected to the first clamping cylinder and is driven by the first clamping cylinder to rise and fall in the vertical direction. The lower side of the second clamping roller bracket is connected to the second clamping cylinder and is driven by the second clamping cylinder to rise and fall in the vertical direction. The first clamping cylinder and the second clamping cylinder are fixed on the first main bracket, and the first main bracket is connected to the horizontal driving mechanism and is driven by the horizontal driving mechanism to slide back and forth in the horizontal direction.

4. The device for removing abnormal pole pieces during roll unwinding according to claim 3 is characterized in that: The horizontal driving mechanism includes a horizontal slide rail and a horizontal driving cylinder. The horizontal slide rail is arranged in a horizontal direction. A slide rail guide sleeve is arranged at the lower end of the first main bracket and the lower end of the first main bracket is slidably arranged on the horizontal slide rail through the slide rail guide sleeve. One side of the first main bracket is connected to the horizontal driving cylinder and is driven by the horizontal driving cylinder to slide back and forth on the horizontal slide rail in a horizontal direction.

5. The device for removing abnormal pole pieces during roll unwinding according to claim 1 is characterized in that: The second pole piece clamping mechanism includes a third clamping roller, a third clamping roller bracket, a fourth clamping roller, a fourth clamping roller bracket, a third clamping cylinder, a fourth clamping cylinder, a second main bracket, a third main bracket, a rotary drive motor and a vertical drive mechanism. The third clamping roller is rotatably arranged on the third clamping roller bracket, and the fourth clamping roller is rotatably arranged on the fourth clamping roller bracket. The upper side of the third clamping roller bracket is connected to the third clamping cylinder and is driven by the third clamping cylinder to rise and fall in the vertical direction. The lower side of the fourth clamping roller bracket is connected to the fourth clamping cylinder and is driven by the fourth clamping cylinder to rise and fall in the vertical direction. The third clamping cylinder and the fourth clamping cylinder are fixed on the second main bracket, and the lower end of the second main bracket is rotatably arranged on the third main bracket through a rotating shaft. One end of the rotating shaft is connected to the rotary drive motor and is driven to rotate by the rotary drive motor. The third main bracket is connected to the vertical drive mechanism and is driven by the vertical drive mechanism to rise and fall in the vertical direction.

6. The device for removing abnormal pole pieces during roll unwinding according to claim 5 is characterized in that: The vertical driving mechanism includes a fourth main bracket, a vertical slide rail and a vertical driving cylinder. The vertical slide rail is arranged on the fourth main bracket along the vertical direction. A slide rail guide sleeve is arranged on one side of the third main bracket and the third main bracket is slidably arranged on the vertical slide rail through the slide rail guide sleeve. The lower side of the third main bracket is connected to the vertical driving cylinder and is driven by the vertical driving cylinder to rise and fall on the vertical slide rail along the vertical direction.

7. The device for removing abnormal pole pieces during roll unwinding according to claim 1 is characterized in that: The abnormal pole piece winding mechanism includes a winding roller shaft, a winding drive motor, a winding pressure roller and a winding pressure roller elastic mechanism. The winding roller shaft is connected to the winding drive motor and is driven to rotate by the winding drive motor. The winding pressure roller abuts against the outer side of the winding roller shaft. The winding pressure roller is arranged on the winding pressure roller elastic mechanism and the winding pressure roller elastic mechanism provides elastic force toward the outer side of the winding roller shaft.

8. The device for removing abnormal pole pieces during roll unwinding according to claim 7 is characterized in that: The winding roller elastic mechanism comprises a roller swing arm, a roller base and a spring. The winding roller is rotatably arranged at one end of the roller swing arm, and the other end of the roller swing arm is hinged to the roller base. One end of the spring is arranged on the roller swing arm, and the other end of the spring is arranged on the roller base.

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