Cleaning clamp assembly and electrode slice cutting equipment

Abstract

The utility model provides a cleaning fixture assembly and electrode slice cutting equipment, and belongs to the technical field of lithium battery production equipment.The cleaning fixture assembly comprises a shell with a cavity formed inside and an opening formed in the bottom, and a support body is arranged on one side face of the shell in the length direction; the fixed connecting plate and the movable connecting plate are arranged in the cavity of the shell, and the fixed connecting plate and the movable connecting plate are oppositely arranged in the length direction of the cavity; the movable connecting plate is arranged on one side face, close to the support body, in the cavity. Cleaning media are respectively arranged on the fixed connecting plate and the movable connecting plate; according to the cleaning clamp assembly and the electrode slice cutting equipment, the cleaning media are arranged on the two sides of the electrode slice cutting knife, so that fragments and impurities adhered to the cutting knife can be cleaned while the electrode slice is cut, and the cutting knife is kept in a clean state; and the elastic piece can also enable a certain contact force to be formed between the cleaning medium and the cutting knife.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium battery production equipment, and more specifically relates to a cleaning fixture assembly and electrode sheet cutting equipment. Background Art

[0002] Lithium battery electrode sheets are one of the core components of lithium batteries. They constitute the positive and negative electrodes of the battery. During the production of lithium batteries, the electrode sheets need to be cut into appropriate sizes. The size needs to be precisely controlled during the cutting process. Lithium battery electrode sheets need to be precisely cut to specific sizes to ensure the accuracy of battery assembly and the consistency of battery performance. The cutting process also needs to ensure that the edges of the electrode sheets are flat to prevent short circuit problems that may occur during battery assembly.

[0003] Existing mechanisms for cutting lithium batteries include mechanical blades, laser cutting heads or ultrasonic cutters. Mechanical blade-type electrode sheet cutting equipment will produce fragments during the cutting process. These fragments may adhere to the cutting blade and fall from the cutting blade onto the electrode sheet during the cutting process, affecting the flatness of the electrode sheet and reducing product performance and quality. Utility Model Content

[0004] One object of the utility model is to provide a cleaning fixture assembly, comprising:

[0005] A shell having a cavity inside and an opening at the bottom, wherein a bracket body is provided on one side of the shell in the length direction; and

[0006] A fixed connecting plate and a movable connecting plate are arranged in the cavity of the shell, and the fixed connecting plate and the movable connecting plate are arranged facing each other along the length direction of the cavity; the movable connecting plate is arranged in the cavity on a side surface close to the bracket body; the fixed connecting plate and the movable connecting plate are respectively provided with a cleaning medium; and,

[0007] An elastic member is arranged between the bracket body and the movable connecting plate, and the elastic member can make the movable connecting plate have a tendency to move toward a direction close to the fixed connecting plate.

[0008] Preferably, the bracket body forms an enclosing structure cavity on the side of the shell, the inner space of the enclosing structure cavity is connected with the cavity of the shell, and the movable connecting plate can translate in the enclosing structure cavity;

[0009] The movable connecting plate is also provided with a movable rod, one end of which is fixedly connected to a side of the movable connecting plate away from the fixed connecting plate, and the other end of the movable rod passes through the bracket body and is provided with a first step at the end;

[0010] The elastic member is a spring sleeved on the outside of the movable rod, and the spring is a tension spring, which is arranged between the first step and the bracket body.

[0011] Preferably, the movable connecting plate is provided with a plurality of movable rods parallel to each other, and the movable rods are all fixed to the side of the movable connecting plate away from the fixed connecting plate; the plurality of movable rods are arranged symmetrically or centrosymmetrically on the side of the movable connecting plate.

[0012] Preferably, the movable connecting plate is further provided with a pull rod parallel to the movable rod, one end of the pull rod is fixed at the center of the movable connecting plate, the other end of the pull rod passes through the bracket body and a second step is provided at the end thereof;

[0013] The pull rod is provided with an external thread and a nut matching the external thread. The nut is arranged between the bracket body and the second step, and the nut can abut against the bracket body.

[0014] Preferably, the cleaning medium is wool felt.

[0015] Preferably, fixing screws are respectively arranged on both sides of the shell in the width direction, threaded holes matching the fixing screws are arranged on the shell, and the fixing screws pass through the side surfaces of the shell.

[0016] Another object of the utility model is to provide an electrode sheet cutting device, which includes a frame and a beam arranged along the length direction of the frame, and a cutting knife is arranged on the beam. It is characterized in that a cleaning fixture assembly is arranged on the frame and a cleaning medium is arranged on both sides of the cutting knife.

[0017] Preferably, the frame includes a mounting frame parallel to the crossbeam;

[0018] Fixing screws are respectively arranged on both sides of the shell, and the fixing screws penetrate the side surfaces of the shell and are threadedly connected with the shell; the heads of the fixing screws can abut against the mounting frame to fix the position of the shell.

[0019] As described above, a cleaning fixture assembly of the utility model is provided with cleaning media on both sides of the electrode sheet cutting knife, which can clean up the debris and impurities adhering to the cutting knife while cutting the electrode sheet, so that the cutting knife remains clean, and the elastic member can also ensure a certain contact force between the cleaning medium and the cutting knife. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be more fully understood through the following detailed description in conjunction with the accompanying drawings, in which like elements are numbered in a similar manner, wherein:

[0021] Figure 1 It is a structural schematic diagram of a cleaning fixture assembly according to an embodiment of the utility model;

[0022] Figure 2 It is a top view of a cleaning fixture assembly according to an embodiment of the utility model;

[0023] Figure 3 yes Figure 2 Sectional view along AA;

[0024] Figure 4 yes Figure 2 Sectional view along BB;

[0025] Figure 5 It is a bottom view of a cleaning fixture assembly according to an embodiment of the utility model;

[0026] Figure 6 This is a schematic diagram of an electrode sheet cutting device according to an embodiment of the utility model;

[0027] In the figure: shell 1, liquid filling hole 11, bracket body 2, movable connecting plate 31, fixed connecting plate 32, cleaning medium 4, movable rod 5, spring 6, pull rod 7, nut 71, fixed screw 8, cutting knife 9, crossbeam 91. DETAILED DESCRIPTION

[0028] The technical solution of the utility model is further described in detail below through embodiments and in combination with the accompanying drawings, but the utility model is not limited to the following embodiments.

[0029] Lithium battery electrode sheets are one of the core components of lithium batteries. They constitute the positive and negative electrodes of the battery. During the production of lithium batteries, the electrode sheets need to be cut into appropriate sizes. The size needs to be precisely controlled during the cutting process. Lithium battery electrode sheets need to be precisely cut to specific sizes to ensure the accuracy of battery assembly and the consistency of battery performance. The cutting process also needs to ensure that the edges of the electrode sheets are flat to prevent short circuit problems that may occur during battery assembly.

[0030] The existing mechanisms for cutting lithium batteries include mechanical blades, laser cutting heads or ultrasonic cutters. Mechanical blade-type electrode sheet cutting equipment will produce fragments during the cutting process. These fragments may adhere to the cutting blade 9 and fall from the cutting blade 9 to the electrode sheet during the cutting process, affecting the flatness of the electrode sheet and reducing product performance and quality.

[0031] In order to solve the above problems, this embodiment provides a cleaning fixture assembly, including:

[0032] A shell 1 is provided with a cavity inside and an opening at the bottom, and a bracket body 2 is provided on one side of the shell 1 in the length direction; and

[0033] A fixed connecting plate 32 and a movable connecting plate 31 are arranged in the cavity of the housing 1, and the fixed connecting plate 32 and the movable connecting plate 31 are arranged facing each other along the length direction of the cavity; the movable connecting plate 31 is arranged in the cavity on a side surface close to the bracket body 2; the fixed connecting plate 32 and the movable connecting plate 31 are respectively provided with a cleaning medium 4; and,

[0034] The cleaning medium 4 is arranged between the bracket body 2 and the movable connecting plate 31 , and the elastic member can make the movable connecting plate 31 have a tendency to move toward the direction close to the fixed connecting plate 32 .

[0035] In this embodiment, Figure 1 , Figure 2 As shown, the cleaning fixture assembly is used to fix the cleaning medium 4 on the side of the electrode sheet cutting knife 9. The electrode sheet cutting knife 9 rubs against the cleaning medium 4 during operation, thereby adsorbing the fragments and impurities of the electrode sheet onto the cleaning medium 4, so that the cutting knife 9 remains clean.

[0036] In the specific implementation process, the shell 1 can be fixed on a frame near the electrode sheet cutting knife 9, or it can be fixed on an independent bracket. The shell 1 of this embodiment is long and narrow, with a cavity inside and the cavity is connected to the bottom, and the cavity is also connected to the side where the bracket body 2 is provided.

[0037] The bracket body 2 expands the range of motion of the movable connecting plate 31 , a fixed connecting plate 32 and a movable connecting plate 31 are arranged in the cavity, and two cleaning media 4 are respectively arranged on two opposite sides of the fixed connecting plate 32 and the movable connecting plate 31 .

[0038] The fixed connecting plate 32 is fixed in the cavity, the movable connecting plate 31 is movably connected to the bracket body 2 , the movable connecting plate 31 can move toward or away from the fixed connecting plate 32 , and the bracket body 2 is fixedly connected to the shell 1 .

[0039] The elastic member is disposed between the bracket body 2 and the movable connecting plate 31, and the elastic member moves the movable connecting plate 31 toward the direction close to the fixed connecting plate 32. The elastic member can make the cleaning medium 4 and the cutting blade 9 have a certain contact force.

[0040] The cleaning medium 4 can be made of materials with friction and adhering impurities, such as sponge, non-woven fabric, wool felt, etc. The cleaning medium 4 of this embodiment is wool felt.

[0041] The fixed connecting plate 32 may be an inner wall of the housing 1 .

[0042] Furthermore, the bracket body 2 forms an enclosing structure cavity on the side of the shell 1, the internal space of the enclosing structure cavity is connected with the cavity of the shell 1, and the movable connecting plate 31 can translate in the enclosing structure cavity;

[0043] The movable connecting plate 31 is also provided with a movable rod 5, one end of which is fixedly connected to the side of the movable connecting plate 31 away from the fixed connecting plate 32, and the other end of the movable rod 5 passes through the bracket body 2 and is provided with a first step at the end thereof;

[0044] The elastic member is a spring 6 sleeved on the outside of the movable rod 5 . The spring 6 is a tension spring and is arranged between the first step and the bracket body 2 .

[0045] In this embodiment, Figure 2 , Figure 3 , Figure 4 As shown, the bracket body 2 expands the range of motion of the movable connecting plate 31, and the bracket body 2 forms an enclosing structure cavity on the side of the shell 1. The internal space of the enclosing structure cavity is connected with the cavity of the shell 1, and the movable connecting plate 31 can move inside the enclosing structure cavity.

[0046] The movable rod 5 is fixed on the movable connecting plate 31 and passes through the bracket body 2. The surface where the bracket body 2 is connected to the movable rod 5 is a plane. The spring 6 is sleeved on the outer side of the movable rod 5, between the bracket body 2 and the first step. The spring 6 is a tension spring, one end of which is fixedly connected to the bracket body 2, and the other end is fixedly connected to the first step.

[0047] In the specific implementation process, the spring 6 pulls the first step to move toward the bracket body 2 and then moves the movable connecting plate 31 toward the fixed connecting plate 32, so that there is a certain contact force between the cleaning medium 4 and the cutting knife 9.

[0048] Furthermore, the movable connecting plate 31 is provided with a plurality of movable rods 5 parallel to each other, and the movable rods 5 are all fixed to the side of the movable connecting plate 31 away from the fixed connecting plate 32 ; the plurality of movable rods 5 are arranged symmetrically or centrally symmetrically on the side of the movable connecting plate 31 .

[0049] In this embodiment, Figure 1 , Figure 5 As shown, the purpose of providing a plurality of mutually parallel movable rods 5 on the movable connecting plate 31 is to balance the pushing force of the elastic member and prevent the movable connecting plate 31 from tilting due to the uneven pushing force of the elastic member. The holes on the bracket body 2 for the movable rods 5 to pass through have a guiding function. The plurality of symmetrically or centrosymmetrically arranged movable rods 5 can make the thrust received by the movable connecting plate 31 smooth.

[0050] In this embodiment, the movable connecting plate 31 is rectangular, there are four movable rods 5 which are evenly arranged near the four corners of the movable connecting plate 31 , and there are two tension springs which are arranged on the diagonal movable rods 5 .

[0051] Furthermore, the movable connecting plate 31 is also provided with a pull rod 7 parallel to the movable rod 5, one end of the pull rod 7 is fixed at the center of the movable connecting plate 31, and the other end of the pull rod 7 passes through the bracket body 2 and is provided with a second step at the end;

[0052] The pull rod 7 is provided with an external thread and a nut 71 matching the external thread. The nut 71 is arranged between the bracket body 2 and the second step. The nut 71 can abut against the bracket body 2 .

[0053] In this embodiment, Figure 1 , Figure 5 As shown, the pull rod 7 is used to manually pull out the movable connecting plate 31, clean impurities on the cleaning medium 4 or replace the cleaning medium 4. The pull rod 7 is arranged at the center of the movable connecting plate 31, passes through the bracket body 2 and is provided with a second step at the end, and the second step is used to provide a hand-held portion to pull out the movable connecting plate 31.

[0054] Furthermore, fixing screws 8 are respectively provided on both sides of the shell 1 in the width direction, and threaded holes matching the fixing screws 8 are provided on the shell 1 , and the fixing screws 8 pass through the side surfaces of the shell 1 .

[0055] It may be preferred that a liquid filling hole 11 is provided on the housing 1, and the liquid filling hole 11 is used to add liquid to the cleaning medium to keep it moist.

[0056] In this embodiment, the fixing screw 8 is used to fix the position of the shell 1. The edge of the shell 1 is provided with a protrusion, and the fixing screw 8 passes through the protrusion. The head of the fixing screw 8 can be clamped on the frame to fix the position of the shell 1.

[0057] Another object of the utility model is to provide an electrode sheet cutting device, which includes a frame and a beam 91 arranged along the length direction of the frame, and a cutting knife 9 is arranged on the beam 91. It is characterized in that a cleaning fixture assembly is arranged on the frame, and a cleaning medium 4 is arranged on both sides of the cutting knife 9.

[0058] In this embodiment, Figure 6 As shown, the cutting blade 9 is arranged on the crossbeam 91 , and the cutting blade 9 can move on the crossbeam 91 to adjust the width of the cut electrode sheet.

[0059] The frame of this embodiment includes two columns and a crossbeam 91 arranged between the two columns. The crossbeam 91 is used to connect the cutting knife 9.

[0060] The cleaning fixture assembly is fixed on the frame, the shell 1 surrounds the upper part of the electrode sheet cutting knife 9, and the cleaning medium 4 is arranged on both sides of the cutting knife 9.

[0061] Further, the frame includes a mounting frame parallel to the crossbeam 91;

[0062] Fixing screws 8 are respectively arranged on both sides of the shell 1 , and the fixing screws 8 penetrate the side surfaces of the shell 1 and are threadedly connected to the shell 1 ; the heads of the fixing screws 8 can abut against the mounting frame to fix the position of the shell 1 .

[0063] In this embodiment, the mounting frame is a rectangular frame arranged parallel to the crossbeam 91 , and the housing 1 can be abutted against the mounting frame by means of a fixing screw 8 to fix the position of the housing 1 .

[0064] In the specific implementation process, the electrode sheet cutting knife 9 can move along the length direction of the beam 91, and the shell 1 needs to follow the movement position at the same time. The mounting frame and the fixing screw 8 of the shell 1 can realize the movement of the shell 1 following the position of the cutting knife 9.

Claims

1. A cleaning fixture assembly, characterized in that: include: A shell having a cavity inside and an opening at the bottom, wherein a bracket body is provided on one side of the shell in the length direction; and A fixed connecting plate and a movable connecting plate are arranged in the cavity of the shell, and the fixed connecting plate and the movable connecting plate are arranged facing each other along the length direction of the cavity; the movable connecting plate is arranged in the cavity on a side surface close to the bracket body; the fixed connecting plate and the movable connecting plate are respectively provided with a cleaning medium; and, An elastic member is arranged between the bracket body and the movable connecting plate, and the elastic member can make the movable connecting plate have a tendency to move toward a direction close to the fixed connecting plate.

2. A cleaning fixture assembly according to claim 1, characterized in that: The bracket body forms an enclosing structure cavity on the side of the shell, the inner space of the enclosing structure cavity is connected with the cavity of the shell, and the movable connecting plate can translate in the enclosing structure cavity; The movable connecting plate is also provided with a movable rod, one end of which is fixedly connected to a side of the movable connecting plate away from the fixed connecting plate, and the other end of the movable rod passes through the bracket body and is provided with a first step at the end; The elastic member is a spring sleeved on the outside of the movable rod, and the spring is a tension spring, which is arranged between the first step and the bracket body.

3. A cleaning fixture assembly according to claim 2, characterized in that: The movable connecting plate is provided with a plurality of movable rods parallel to each other, and the movable rods are all fixed on the side of the movable connecting plate away from the fixed connecting plate; the plurality of movable rods are arranged symmetrically or centrally symmetrically on the side of the movable connecting plate.

4. A cleaning fixture assembly according to claim 2 or 3, characterized in that: The movable connecting plate is also provided with a pull rod parallel to the movable rod, one end of the pull rod is fixed at the center of the movable connecting plate, the other end of the pull rod passes through the bracket body and a second step is provided at the end thereof; The pull rod is provided with an external thread and a nut matching the external thread. The nut is arranged between the bracket body and the second step, and the nut can abut against the bracket body.

5. A cleaning fixture assembly according to claim 1, characterized in that: The cleaning medium is wool felt.

6. A cleaning fixture assembly according to claim 1, characterized in that: The two sides of the shell in the width direction are respectively provided with fixing screws, and the shell is provided with threaded holes matching with the fixing screws, and the fixing screws penetrate the side surfaces of the shell.

7. An electrode sheet cutting device with a cleaning fixture assembly according to any one of claims 1 to 6, the electrode sheet cutting device comprising a frame and a crossbeam arranged along the length direction of the frame, a cutting knife being arranged on the crossbeam, characterized in that: The cleaning fixture assembly is arranged on the frame, and the cleaning media are arranged on both sides of the cutting knife.

8. The electrode sheet cutting device according to claim 7, characterized in that: The frame includes a mounting frame parallel to the crossbeam; Fixing screws are respectively arranged on both sides of the shell, and the fixing screws penetrate the side surfaces of the shell and are threadedly connected with the shell; the heads of the fixing screws can abut against the mounting frame to fix the position of the shell.

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