Solution smearing device and pole piece cutting system

Abstract

The embodiment of the utility model provides a solution smearing device and a pole piece cutting system, and relates to the field of lithium battery manufacturing. The solution smearing device comprises an injection part, a driving part, a liquid guide roller and a smearing part, wherein the driving part is used for driving the liquid guide roller to rotate, the smearing part is arranged on the peripheral side of the liquid guide roller, a liquid guide hole is formed in the liquid guide roller, the input end of the liquid guide hole communicates with the injection part, the output end of the liquid guide hole is used for conveying a solution towards the smearing part, and the smearing part is used for abutting against a pole piece. In the working process, the injection part is used for transmitting a solution to the liquid guide hole, and the driving part is used for driving the liquid guide roller to rotate, so that the smearing part located on the peripheral side of the liquid guide roller can uniformly abut against a pole piece to achieve solution smearing, and therefore uniform smearing is guaranteed while the solution smearing efficiency is improved; therefore, the cutting effects of different positions on the pole piece are not obviously different. The pole piece cutting system comprises the solution smearing device and has all functions of the solution smearing device.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of lithium battery manufacturing, specifically, relate to a solution smearing device and pole piece cutting system. BACKGROUND

[0002] When cutting the pole piece, usually need to smearing solution to the surface of the pole piece, to improve the smoothness of cutting operation.

[0003] The existing smearing operation is mostly manual operation, there is the problem of low operation efficiency and uneven smearing, thereby making the cutting effect of different positions on the pole piece exist obvious difference. UTILITY MODEL CONTENTS

[0004] The utility model provides a solution smearing device and pole piece cutting system, it can improve solution smearing efficiency and ensure that smearing is uniform, make the cutting effect of different positions on the pole piece exist obvious difference.

[0005] The embodiment of the utility model can be realized as follows:

[0006] The embodiment of the utility model provides a solution smearing device, it includes:

[0007] Note the member, drive piece, liquid guide roller and smearing piece;

[0008] Wherein, the drive piece is used to drive the liquid guide roller rotation, the smearing piece is set up in the circumferential side of the liquid guide roller, the liquid guide roller is opened with the liquid guide hole, the input end of the liquid guide hole is communicated with the note the member, the output end of the liquid guide hole is used to transport solution to the smearing piece, the smearing piece is used to resist the pole piece.

[0009] Optionally, the extension direction of the liquid guide hole coincides with or is parallel to the central axis of the liquid guide roller.

[0010] Optionally, the smearing piece includes at least two liquid storage boxes and at least two flexible cotton, the output end of the liquid guide hole is communicated with the inner chamber of the at least two liquid storage boxes simultaneously, the at least two flexible cotton are housed in the at least two liquid storage boxes one by one, and the at least two flexible cotton are used to resist the pole piece.

[0011] Optionally, the output end of the liquid guide hole is communicated with the liquid distribution connector, the inner chamber of the at least two liquid storage boxes is communicated with the liquid inlet connector one by one, and the liquid inlet connector and the liquid distribution connector are communicated through the hose.

[0012] Optionally, the solution coating device further comprises a transmission member, the transmission member comprising a speed reducer, a driving wheel, a synchronous belt and a driven wheel, the speed reducer being drivingly connected to the driving member, the driving wheel being sleeved on an output shaft of the speed reducer, the driven wheel being sleeved on the liquid guide roller, and the synchronous belt being sleeved on the driving wheel and the driven wheel at the same time.

[0013] Optionally, the injection member comprises an injection frame, a liquid storage tank and an injection pump, the liquid storage tank and the injection pump being arranged on the injection frame, and the injection pump being communicated between the liquid storage tank and the liquid guide hole.

[0014] Optionally, the injection member further comprises a liquid storage cover, the liquid storage cover being arranged on the injection frame and sleeved on the liquid storage tank.

[0015] Optionally, the solution coating device further comprises a base and a first adjusting seat, the injection member being arranged on the base, the first adjusting seat being movably arranged on the base, and one end of the driving member and the liquid guide roller being connected to the first adjusting seat.

[0016] Optionally, the solution coating device further comprises a second adjusting seat, the second adjusting seat being movably arranged on the first adjusting seat, and one end of the driving member being connected to the second adjusting seat.

[0017] The embodiment of the utility model further provides a pole piece cutting system, it includes:

[0018] The solution coating device, a laser cutting device and a pole piece transmission device;

[0019] The pole piece transmission device is used for transmitting the pole piece, the coating member is used for supporting the pole piece in the transmission state to coat the pole piece with the solution, and the laser cutting device is used for cutting the pole piece after coating the solution.

[0020] The solution coating device and the pole piece cutting system of the embodiment of the utility model have the beneficial effects, for example:

[0021] The solution coating device comprises an injection member, a driving member, a liquid guide roller and a coating member, wherein the driving member is used for driving the liquid guide roller to rotate, the coating member is arranged on the circumferential side of the liquid guide roller, the liquid guide roller is provided with a liquid guide hole, the input end of the liquid guide hole is communicated with the injection member, the output end of the liquid guide hole is used for conveying the solution to the coating member, and the coating member is used for supporting the pole piece.

[0022] The pole piece cutting system comprises a laser cutting device, a pole piece conveying device and a solution smearing device; the pole piece conveying device is used for conveying the pole piece, the smearing member is used for abutting against the pole piece in the conveying state to smear the solution on the pole piece, and the laser cutting device is used for cutting the pole piece after the solution smearing; the pole piece cutting system can realize efficient and uniform solution smearing operation on the pole piece through the solution smearing device, thereby ensuring the consistency of the cutting effect of the pole piece. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0024] Figure 1 A structure diagram of the solution smearing device provided in the embodiments of the present application is shown in the figure.

[0025] Figure 2 A partial cross-sectional view of the solution smearing device provided in the embodiments of the present application is shown in the figure.

[0026] Figure: 100-solution smearing device; 110-injection member; 111-injection frame; 112-liquid storage tank; 113-injection pump; 114-liquid storage shield; 120-driving member; 130-liquid guide roller; 131-liquid guide hole; 132-liquid distribution connector; 140-smearing member; 141-liquid storage box; 142-flexible cotton; 143-liquid inlet connector; 150-transmission member; 151-reduction machine; 152-driving wheel; 153-synchronous belt; 154-driven wheel; 160-base; 170-first adjusting seat; 180-second adjusting seat; 190-pole piece. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the application provided in the drawings is not intended to limit the scope of the application claimed, but merely represents selected embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the application.

[0029] It should be noted that: similar reference numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0030] In the description of the application, it should be noted that if the terms "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship of the product of the application when it is usually placed, which is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the application.

[0031] In addition, if the terms "first", "second" and the like are used only to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0032] The terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or device. Without more limitation, the element defined by the sentence "including a…" does not exclude the presence of other identical elements in the process, method, article or device including the element.

[0033] Unless otherwise expressly specified and limited, the terms "provide", "connect" and the like should be broadly understood, for example, "connect" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be direct connection, can also be indirect connection through intermediate medium, can be the communication inside two elements. For those of ordinary skill in the art, the specific meaning of the above terms in the application can be understood according to the specific circumstances.

[0034] It should be noted that the features in the embodiments of the application can be combined with each other without conflict.

[0035] As the background art, when the pole piece 190 is cut, the solution is usually applied to the surface of the pole piece 190 to improve the smoothness of the cutting operation. The existing application operation is mostly manual operation, which has the problems of low operation efficiency and uneven application, thereby causing obvious differences in cutting effect at different positions on the pole piece 190.

[0036] The solution application device 100 and the pole piece 190 cutting system provided in the embodiment of the utility model can solve the above problems, which will be described in detail.

[0037] Embodiment one

[0038] Please refer to Figure 1 and Figure 2 The solution application device 100 includes a injection member 110, a driving member 120, a liquid guide roller 130 and an application member 140; wherein the driving member 120 is used to drive the liquid guide roller 130 to rotate, the application member 140 is arranged on the circumferential side of the liquid guide roller 130, the liquid guide roller 130 is provided with a liquid guide hole 131, the input end of the liquid guide hole 131 is communicated with the injection member 110, the output end of the liquid guide hole 131 is used to deliver the solution to the application member 140, and the application member 140 is used to abut the pole piece 190.

[0039] In the working process, the injection member 110 is used to deliver the solution to the liquid guide hole 131, and the driving member 120 is used to drive the liquid guide roller 130 to rotate, so that the application member 140 on the circumferential side of the liquid guide roller 130 can uniformly abut the pole piece 190 to realize the solution application, thereby improving the solution application efficiency and ensuring uniform application, so that there is no obvious difference in cutting effect at different positions on the pole piece 190.

[0040] Specifically, the extension direction of the liquid guide hole 131 coincides with or is parallel to the central axis of the liquid guide roller 130. In the embodiment, the number of the liquid guide hole 131 is one, and the liquid guide hole 131 coincides with the central axis of the liquid guide roller 130. In other embodiments of the utility model, the number of the liquid guide hole 131 can also be two, three, five, eight and the like, so that the plurality of liquid guide holes 131 are uniformly arranged along the circumferential direction of the central axis of the liquid guide roller 130, and the liquid guide hole 131 is parallel to the central axis of the liquid guide roller 130, so as to reduce the extension length of the liquid guide hole 131 as much as possible.

[0041] Please refer to Figure 1 and Figure 2 The application member 140 includes at least two liquid storage boxes 141 and at least two flexible cottons 142, the output end of the liquid guide hole 131 is simultaneously communicated with the inner cavities of the at least two liquid storage boxes 141, the at least two flexible cottons 142 are correspondingly accommodated in the at least two liquid storage boxes 141, and the at least two flexible cottons 142 are used to abut the pole piece 190.

[0042] In the embodiment, the number of the liquid storage boxes 141 and the flexible cottons 142 is four groups, the flexible cottons 142 are detachably accommodated in the liquid storage boxes 141, the inner cavities of the liquid storage boxes 141 are used for accommodating the solution transmitted from the liquid guide holes 131 and are absorbed by the flexible cottons 142, and the absorbed solution is squeezed out by the flexible cottons 142 abutting against the pole piece 190 to be applied on the pole piece 190.

[0043] Of course, in other embodiments of the utility model, the number of the liquid storage boxes 141 and the flexible cottons 142 can also be two, three, five, eight groups and the like, and the specific setting number of the two is not limited.

[0044] Please refer to Figure 2 In order to ensure that the solution in the liquid guide hole 131 can be evenly divided into different liquid storage boxes 141, the output end of the liquid guide hole 131 is communicated with a liquid distribution connector 132, the inner cavities of at least two liquid storage boxes 141 are one-to-one communicated with liquid inlet connectors 143, and the liquid inlet connectors 143 and the liquid distribution connector 132 are communicated through a hose.

[0045] In the embodiment, the liquid distribution connector 132 has four output ends, the number of the liquid inlet connectors 143 is four, and the four liquid inlet connectors 143 are communicated with the four output ends of the liquid distribution connector 132 through a hose. It should be noted that the number of the liquid inlet connectors 143 is consistent with the number of the liquid storage boxes 141, and the number of the output ends of the liquid distribution connector 132 should not be less than the number of the liquid inlet connectors 143.

[0046] Please refer to Figure 1 and Figure 2 The solution application device 100 further comprises a transmission member 150, the transmission member 150 comprises a speed reducer 151, a driving wheel 152, a synchronous belt 153 and a driven wheel 154, the speed reducer 151 is drivingly connected to the driving member 120, the driving wheel 152 is sleeved on the output shaft of the speed reducer 151, the driven wheel 154 is sleeved on the liquid guide roller 130, and the synchronous belt 153 is sleeved on the driving wheel 152 and the driven wheel 154 at the same time.

[0047] When the driving member 120 outputs power, the speed reducer 151 can be used for speed reduction transmission, and then the rotating power is transmitted to the liquid guide roller 130 through the cooperation of the driving wheel 152, the synchronous belt 153 and the driven wheel 154, so that the liquid guide roller 130 can rotate.

[0048] It should be noted that the driving member 120 can be a rotary motor, a rotary cylinder or a rotary hydraulic cylinder, and the specific power form of the driving member 120 is not limited.

[0049] Please refer to Figure 1The injection part 110 comprises an injection frame 111, a liquid storage tank 112 and an injection pump 113, the liquid storage tank 112 and the injection pump 113 are arranged on the injection frame 111, and the injection pump 113 is connected between the liquid storage tank 112 and the liquid guide hole 131. In addition, the liquid storage tank 112 and the injection pump 113 are arranged side by side.

[0050] During the working process, the injection frame 111 is used to support and fix the liquid storage tank 112 and the injection pump 113, the liquid storage tank 112 is used to store the solution to be applied, and the injection pump 113 is used to pump the solution in the liquid storage tank 112 into the liquid guide hole 131.

[0051] In addition, in order to improve the protection of the liquid storage tank 112, the injection part 110 can further comprise a liquid storage cover 114, which is arranged on the injection frame 111 and sleeved on the liquid storage tank 112.

[0052] Please refer to Figure 1 The solution application device 100 further comprises a base 160 and a first adjusting seat 170, the injection part 110 is arranged on the base 160, the first adjusting seat 170 is movably arranged on the base 160, and one end of the driving member 120 and the liquid guide roller 130 is connected to the first adjusting seat 170. Specifically, the injection frame 111 is connected to the top end of the base 160, and the first adjusting seat 170 is located on one side of the base 160.

[0053] During the working process, the base 160 is used to play a fixing and supporting role, the first adjusting seat 170 is provided with a long hole, by loosening the fastener and moving the first adjusting seat 170 along the extension direction of the long hole, the driving member 120 and the liquid guide roller 130 can be driven to move with the first adjusting seat 170, so as to change the relative position between the driving member 120 and the liquid guide roller 130 and the base 160.

[0054] Further, the solution application device 100 further comprises a second adjusting seat 180, the second adjusting seat 180 is movably arranged on the first adjusting seat 170, and one end of the driving member 120 is connected to the second adjusting seat 180. Specifically, the second adjusting seat 180 is located at the top end of the first adjusting seat 170.

[0055] The second adjusting seat 180 is also provided with a long hole, by loosening the fastener and moving the second adjusting seat 180 along the extension direction of the long hole, the driving member 120 can be driven to move with the second adjusting seat 180, so as to change the relative position between the driving member 120 and the first adjusting seat 170.

[0056] Embodiment two

[0057] The embodiment of the utility model provides a kind of pole piece 190 cutting system, including laser cutting device, pole piece 190 transmission device and solution smearing device 100;Wherein, pole piece 190 transmission device is used to transmit pole piece 190, smearing piece 140 is used to resist pole piece 190 in transmission state to smearing solution to pole piece 190, laser cutting device is used to cut pole piece 190 after smearing solution.The pole piece 190 cutting system includes solution smearing device 100, it has the overall function of solution smearing device 100.

[0058] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered within the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A solution application device characterized by, The solution coating device comprises an injection member (110), a driving member (120), a liquid guide roller (130) and an application member (140). The driving member (120) is used to drive the liquid guide roller (130) to rotate, the application member (140) is arranged on the circumferential side of the liquid guide roller (130), the liquid guide roller (130) is provided with a liquid guide hole (131), the input end of the liquid guide hole (131) is communicated with the injection member (110), the output end of the liquid guide hole (131) is used to deliver solution to the application member (140), and the application member (140) is used to abut against the pole piece (190). The extension direction of the liquid guide hole (131) coincides with or is parallel to the central axis of the liquid guide roller (130).

2. The solution application apparatus according to claim 1, characterized by The application member (140) comprises at least two liquid storage boxes (141) and at least two flexible cottons (142), the output end of the liquid guide hole (131) is simultaneously communicated with the inner cavities of the at least two liquid storage boxes (141), the at least two flexible cottons (142) are correspondingly accommodated in the at least two liquid storage boxes (141), and the at least two flexible cottons (142) are used to abut against the pole piece (190).

3. The solution application apparatus of claim 1, wherein The output end of the liquid guide hole (131) is communicated with a liquid distribution connector (132), the inner cavities of the at least two liquid storage boxes (141) are correspondingly communicated with liquid inlet connectors (143), and the liquid inlet connectors (143) and the liquid distribution connector (132) are communicated through a hose.

4. The solution application device of claim 3, wherein The solution coating device further comprises a transmission member (150), the transmission member (150) comprises a speed reducer (151), a driving wheel (152), a synchronous belt (153) and a driven wheel (154), the speed reducer (151) is drivingly connected to the driving member (120), the driving wheel (152) is sleeved on the output shaft of the speed reducer (151), the driven wheel (154) is sleeved on the liquid guide roller (130), and the synchronous belt (153) is sleeved on the driving wheel (152) and the driven wheel (154) at the same time.

5. The solution application device according to any one of claims 1 to 4, characterized in that The injection member (110) comprises an injection frame (111), a liquid storage tank (112) and an injection pump (113), the liquid storage tank (112) and the injection pump (113) are arranged on the injection frame (111), and the injection pump (113) is communicated between the liquid storage tank (112) and the liquid guide hole (131).

6. The solution application device according to any one of claims 1 to 4, characterized in that The injection member (110) further comprises a liquid storage shield (114), and the liquid storage shield (114) is arranged on the injection frame (111) and sleeved on the liquid storage tank (112).

7. The solution application device of claim 6, wherein The solution coating device further comprises a base (160) and a first adjusting seat (170), the injection member (110) is arranged on the base (160), the first adjusting seat (170) is movably arranged on the base (160), and the same end of the driving member (120) and the liquid guide roller (130) is connected to the first adjusting seat (170).

8. The solution application device according to any one of claims 1 to 4, characterized in that ​ 9. The solution application apparatus of claim 8, wherein The solution coating device further comprises a second adjusting seat (180) movably arranged on the first adjusting seat (170), and one end of the driving member (120) is connected to the second adjusting seat (180).

10. A pole piece (190) cutting system characterized by, Comprise: A laser cutting device, a pole piece (190) transmission device, and the solution coating device of any one of claims 1-9; Wherein, the pole piece (190) transmission device is used for transmitting the pole piece (190), the coating member (140) is used for resisting the pole piece (190) in the transmission state to coat the pole piece (190) with solution, and the laser cutting device is used for cutting the pole piece (190) after coating solution.

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