Battery pole piece slitting system

Abstract

The invention provides a battery pole piece slitting system which comprises a main cutter shaft, an auxiliary cutter shaft and a main cutter mechanism, the main cutter shaft and the auxiliary cutter shaft are horizontally arranged in parallel and rotationally arranged on a support, a positioning seat protruding in the radial direction is arranged on the main cutter shaft and is of a strip-shaped structure parallel to the axis of the main cutter shaft, and the main cutter mechanism is arranged on the main cutter shaft. The main cutter mechanism comprises a cutter assembly detachably matched with the positioning base and a monitoring and cleaning assembly arranged on one side of the cutter assembly. The auxiliary grooving mechanism comprises an annular cutter groove and a cooling and cleaning assembly, wherein the annular cutter groove is located in the auxiliary cutter shaft and corresponds to the main cutter mechanism, and the cooling and cleaning assembly is arranged in the annular cutter groove and can make contact with the main cutter mechanism. According to the invention, the working temperature of the cutter can be effectively reduced, dust on the cutting environment and the cutter is reduced, burrs generated by pole piece cutting are reduced, and the product quality is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of battery pole piece processing, and in particular to a battery pole piece slitting system. Background Art

[0002] The battery pole piece is a key component of the battery. It consists of a positive electrode and a negative electrode, which are separated and connected by an electrolyte. During the production process of the battery cell pole piece, it needs to be cut. Through precise cutting, the size and shape of the pole piece can be ensured to meet the design requirements, thereby improving the energy density of the battery.

[0003] During the cutting process, whether burrs are formed on the edge of the electrode after cutting determines the quality of the battery electrode. The temperature during the cutting process and the dust and impurities in the cutting environment will directly affect the working state of the cutter. The existing cutting device only uses simple exhaust equipment to accelerate the airflow and take away the impurities and dust generated by cutting. The effect is poor, and burrs are easily generated during the cutting process. Summary of the Invention

[0004] In view of the deficiencies in the prior art, the present invention provides a pipeline rotating rack, which simplifies the installation and disassembly process of the pipeline and can ensure the stability of the pipeline during the rotation process.

[0005] According to an embodiment of the present invention, a battery electrode sheet slitting system is provided, comprising a main blade shaft and a secondary blade shaft arranged horizontally and parallel to each other, wherein the main blade shaft and the secondary blade shaft are rotatably arranged on a bracket, and further comprising:

[0006] The main cutter mechanism includes a radially protruding positioning seat provided on the main cutter shaft, the positioning seat being a strip-shaped structure parallel to the axis of the main cutter shaft, and the main cutter mechanism including a cutter assembly detachably engaged with the positioning seat and a monitoring and cleaning assembly provided on one side of the cutter assembly;

[0007] The auxiliary cutting mechanism comprises an annular cutting groove located on the auxiliary cutting shaft and corresponding to the main cutting mechanism, and a cooling and cleaning component arranged in the annular cutting groove and capable of contacting the main cutting mechanism.

[0008] Preferably, the cutter assembly includes an annular knife seat and an annular blade fixedly arranged in the middle of the knife seat. The inner side of the knife seat is provided with a limiting groove that slides with the positioning seat, and the end face of the knife seat is provided with a connecting seat that cooperates with the positioning seat.

[0009] Further preferably, a suction cavity is provided in the knife holder, a joint and a micropore connected to the suction cavity are provided on the knife holder, a first air channel for an external suction device is provided in the main knife shaft, and the first air channel is connected to the joint through a pipeline.

[0010] Further preferably, the positioning seat is provided with a sliding cavity arranged along its length direction and an elongated socket passing through the sliding cavity upward. A positioning slider is movably provided in the sliding cavity. The positioning slider is tightly fitted with the positioning seat after being matched with the connecting seat through a bolt.

[0011] Further preferably, a connecting column extending into the socket is fixedly provided on the positioning slider, an outer sleeve of the connecting column is provided with an operating pre-connection cylinder connected to the positioning slider through an elastic member and extending outside the positioning seat, a connecting through hole is provided on the connecting seat, and a pre-connection hole coaxial with the positioning seat is also provided at one end of the connecting through hole close to the positioning seat.

[0012] Further preferably, the monitoring and cleaning assembly includes a slide seat that is slidably engaged with the bracket, and the slide seat is provided with a distance sensor facing the cutter assembly and a suction pipe facing the cutter assembly.

[0013] Further preferably, the suction pipes are provided in two groups, and the two groups of suction pipes are arranged on both sides of the main blade shaft and close to the annular blade groove.

[0014] Further preferably, the cooling and cleaning assembly includes an annular base coaxially rotatably arranged in the annular knife groove, a fixing frame connecting the annular base and the bracket, an adjusting cavity is provided inside the annular base, and a piston hole connected to the adjusting cavity is provided on one side end face of the annular base, a piston rod extending to the outside is provided in the piston hole and is connected to an annular cooling cotton sheet, and a second air duct connected to the adjusting cavity is provided in the fixing frame.

[0015] Further preferably, the piston rod is connected to a movable seat, a storage cavity is provided in the movable seat, and the cooling cotton sheet is embedded in the storage cavity.

[0016] Still further preferably, a debris removal hole is provided on the side wall of the annular knife groove, and a debris removal cavity connected to the debris removal hole is provided in the auxiliary knife shaft.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] A monitoring and cleaning component is provided on the side of the cutter assembly. On the one hand, it can monitor the operating status of the cutter assembly to prevent the position of the cutter assembly from being shifted. On the other hand, it can timely clean up the attachments on the cutter assembly and reduce the temperature around the cutter assembly. A cooling and cleaning component is provided in the annular knife groove. After the cutter assembly cuts the material, the cutter assembly is timely cooled to prevent the cutter from adhering to the material when leaving the material, resulting in poor quality of the electrode cutting edge. At the same time, it can clean up the powder generated by cutting to prevent it from affecting the cutting work. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural schematic diagram of a battery electrode striping system according to the present invention.

[0020] Figure 2 This is a structural schematic diagram of the main cutter mechanism in a battery electrode slitting system of the present invention.

[0021] Figure 3 This is a side structural schematic diagram of the main cutting knife mechanism in a battery electrode stripping system of the present invention.

[0022] Figure 4 This is a schematic diagram of the coordination structure between the positioning seat and the connecting seat in a battery electrode stripping system of the present invention.

[0023] Figure 5 This is a schematic structural diagram of the auxiliary grooving mechanism in a battery electrode stripping system of the present invention.

[0024] Figure 6 For the present invention Figure 5 Schematic diagram of the enlarged structure of part A in the middle.

[0025] In the above drawings: 1. main blade shaft; 110. positioning seat; 111. sliding cavity; 112. socket; 113. positioning slider; 114. connecting column; 115. elastic member; 116. operating pre-connector cylinder; 2. auxiliary blade shaft; 3. bracket; 4. main cutting mechanism; 410. cutting blade assembly; 411. blade seat; 412. annular blade; 413. limiting slide groove; 414. connecting seat; 415. suction cavity; 416. joint; 417. micro hole; 418. connecting through hole; 419. Pre-connection hole; 420. Monitoring and cleaning component; 421. Sliding seat; 422. Distance sensor; 423. Suction tube; 5. Auxiliary grooving mechanism; 510. Annular knife groove; 511. Exhaust hole; 512. Exhaust cavity; 520. Cooling and cleaning component; 521. Annular base; 522. Fixed frame; 523. Adjustment cavity; 524. Piston hole; 525. Piston rod; 526. Cooling cotton sheet; 527. Second air duct; 528. Movable seat; 529. Storage cavity. DETAILED DESCRIPTION

[0026] The technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

[0027] The present invention provides an embodiment, such as Figure 1 As shown, a battery electrode sheet slitting system includes a main blade shaft 1 and an auxiliary blade shaft 2 arranged horizontally and in parallel. The main blade shaft 1 and the auxiliary blade shaft 2 are rotatably arranged on a bracket 3, and a driving device for driving the main blade shaft 1 and the auxiliary blade shaft 2 to rotate can be set on the bracket 3;

[0028] The main cutter mechanism 4 is provided with a radially protruding positioning seat 110 on the main cutter shaft 1. The positioning seat 110 is a strip-shaped structure parallel to the axis of the main cutter shaft 1. In this embodiment, two groups of positioning seats 110 are provided, and the two groups of positioning seats 110 are located on opposite sides of the main cutter shaft 1. The main cutter mechanism 4 includes a cutter assembly 410 that is detachably matched with the positioning seat 110, and a monitoring and cleaning assembly 420 provided on one side of the cutter assembly 410. The cutter assembly 410 rotates with the main cutter shaft 1 to perform cutting work. The monitoring and cleaning assembly 420 detects the offset of the cutter assembly 410 during the cutting process and cleans the surface of the cutter assembly 410 before it comes into contact with the material.

[0029] The auxiliary cutting mechanism 5 includes an annular cutting groove 510 located on the auxiliary cutting shaft 2 and corresponding to the main cutting mechanism 4, and a cooling and cleaning component 520 disposed in the annular cutting groove 510 and capable of contacting the main cutting mechanism 4. One side of the annular cutting groove 510 cooperates with the cutting component 410 to complete the cutting operation. The cooling and cleaning component 520 cleans the cutting component 410 while it is cutting the material, and cools the cutting component 410 after it has cut into the material but before it leaves the material, thereby effectively reducing the temperature of the cutting component 410 during the cutting process and reducing the problem of the cutting component sticking due to excessive temperature.

[0030] Specifically, such as Figure 2 、 Figure 3 As shown, the cutter assembly 410 includes an annular knife seat 411 and an annular blade 412 fixedly arranged in the middle of the knife seat 411. The knife seat 411 is slidably matched with the main knife shaft 1. The inner side of the knife seat 411 is provided with a limiting slide groove 413 that slidably cooperates with the positioning seat 110. The positioning seat 110 allows the knife seat 411 to rotate synchronously with the main knife shaft 1. The end surface of the knife seat 411 is provided with a connecting seat 414 that cooperates with the positioning seat 110. The position of the knife seat 411 is fixed by detachably connecting the connecting seat 414 to the positioning seat 110.

[0031] In order to clean up the dust and debris generated by cutting in a timely manner, in a further embodiment, a suction cavity 415 is provided in the knife seat 411, and a joint 416 and a micropore 417 connected to the suction cavity 415 are provided on the knife seat 411. A first air channel is provided in the main knife shaft 1, and a rotary joint connected to the first air channel is provided at one end of the main knife shaft 1, and a suction device is connected to the rotary joint. An air pipe connected to the first air channel is provided on the main knife shaft 1, and the air pipe is detachably connected to the joint 416. When multiple main cutting knife mechanisms 4 are provided, two adjacent knife seats 411 are connected by an air pipe, and an air pipe of corresponding length is selected according to the distance between the two adjacent knife seats 411;

[0032] Specifically, such as Figure 2 、 Figure 4As shown, the positioning seat 110 is provided with a sliding cavity 111 arranged along its length direction, and an elongated insertion hole 112 that passes through the sliding cavity 111 upward. The width of the insertion hole 112 is smaller than the sliding cavity 111. A positioning slider 113 is movably provided in the sliding cavity 111. The thickness of the positioning slider 113 is smaller than the height of the sliding cavity 111. The positioning slider 113 is tightly matched with the positioning seat 110 after being matched with the connecting seat 414 through a bolt. The positioning slider 113 contacts the top wall of the sliding cavity 111 to keep the position of the knife seat 411 fixed. In order to improve stability, the top of the positioning slider 113 and the top wall of the sliding cavity 111 are provided with mutually matching anti-slip patterns.

[0033] In order to facilitate the cooperation between the connecting seat 414 and the positioning slider 113, in a further embodiment, a connecting post 114 extending into the insertion hole 112 is fixedly provided on the positioning slider 113, and a screw hole is provided on the connecting post 114, and an outer shell of the connecting post 114 is provided with an operating pre-connection cylinder 116 connected to the positioning slider 113 through an elastic member 115 and extending to the outside of the positioning seat 110. The positioning slider 113 can be moved to the corresponding position by toggling the operating pre-connection cylinder 116. A connecting through hole 418 is provided on the connecting seat 414, and a pre-connection hole 419 coaxial with the connecting through hole 418 is also provided at one end of the connecting through hole 418 close to the positioning seat 110. Pressing the operating pre-connection cylinder 116 can make the operating pre-connection cylinder 116 enter the pre-connection hole 419. At this time, the connecting through hole 418 corresponds to the screw hole on the connecting post 114, so that the bolt passes through the connecting through hole 418 and cooperates with the screw hole;

[0034] In order to facilitate the operation of the pre-connection cylinder 116 into the pre-connection hole 419, the connection seat 414 is provided with a pre-connection groove extending from the side of the pre-connection hole 419 to the outside. After the pre-connection cylinder 116 enters the pre-connection groove and then slides into the pre-connection hole 419, the elastic member 115 cooperates with the pre-connection hole 419, so that the positioning slider 113 and the connection seat 414 are relatively fixed.

[0035] Specifically, the monitoring and cleaning assembly 420 includes a slide 421 that is slidably engaged with the bracket 3. The slide 421 is provided with a distance sensor 422 facing the cutter assembly 410 and a suction pipe 423 facing the cutter assembly 410. The distance sensor 422 faces the annular blade 412 and monitors the distance between the annular blade 412 and the distance sensor 422 at a high frequency. When the annular blade 412 is deflected or offset, the data monitored by the distance sensor 422 deviates, thereby promptly detecting an abnormal state of the annular blade 412.

[0036] In order to improve the cleaning effect, in a further embodiment, the suction pipe 423 is provided with two groups, and the two groups of suction pipes 423 are arranged on both sides of the main blade shaft 1 and close to the annular knife groove 510. When the annular blade 412 cuts into the material, it is cleaned in sequence, and after cutting out the material, it is cleaned in sequence again, which can improve the cleanliness of the surface of the annular blade 412;

[0037] In order to improve the cooling and cleaning effect, in a further embodiment, as Figure 5 、 Figure 6 As shown, the cooling and cleaning assembly 520 includes an annular base 521 coaxially rotatably arranged in the annular knife groove 510, and a fixing frame 522 connecting the annular base 521 and the bracket 3. An adjustment cavity 523 is provided in the annular base 521. A piston hole 524 communicating with the adjustment cavity 523 is provided on one end surface of the annular base 521. A piston rod 525 extending to the outside is provided in the piston hole 524 and connected to an annular cooling cotton sheet 526. The cooling cotton sheet 526 is coated with volatile heat-dissipating alcohol. A second air duct 527 communicating with the adjustment cavity 523 is provided in the fixing frame 522.

[0038] The second air channel 527 is connected to an external air compressor to drive the annular base 521 to move, so that the cooling cotton sheet 526 is in full contact with the annular blade 412 to ensure the cooling effect;

[0039] During the cutting process, the annular blade 412 will experience a process of cutting into the bottom of the material. When the annular blade 412 cuts the material, the temperature will increase significantly. The cooling cotton sheet 526 provided under the material can effectively and timely reduce the temperature of the annular blade 412.

[0040] The piston rod 525 is connected to a movable seat 528 , and a storage cavity 529 is provided in the movable seat 528 . The storage cavity 529 stores cooling alcohol, and the cooling cotton sheet 526 is embedded in the storage cavity 529 .

[0041] In order to accelerate the discharge of cutting powder and debris, in a further embodiment, a debris removal hole 511 is provided on the side wall of the annular knife groove 510, and a debris removal cavity 512 connected to the debris removal hole 511 is provided in the secondary knife shaft 2. The debris removal cavity 512 is connected to the suction equipment through a rotary joint. During the debris removal process, the airflow generated at the debris removal hole 511 can accelerate the volatilization of alcohol on the cooling cotton sheet 526, thereby improving the cooling effect.

[0042] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the purpose and scope of the technical solutions of the present invention, which should all be included in the scope of the claims of the present invention.

Claims

1. A battery electrode stripping system, comprising a main blade shaft (1) and an auxiliary blade shaft (2) arranged horizontally and in parallel, wherein the main blade shaft (1) and the auxiliary blade shaft (2) are rotatably arranged on a bracket (3), characterized in that: Also includes: A main cutter mechanism (4), wherein a radially protruding positioning seat (110) is provided on the main cutter shaft (1), the positioning seat (110) being a strip-shaped structure parallel to the axis of the main cutter shaft (1), and the main cutter mechanism (4) comprises a cutter assembly (410) detachably engaged with the positioning seat (110), and a monitoring and cleaning assembly (420) provided on one side of the cutter assembly (410); The auxiliary cutting mechanism (5) comprises an annular cutting groove (510) located on the auxiliary cutting shaft (2) and arranged corresponding to the main cutting mechanism (4), and a cooling and cleaning component (520) arranged in the annular cutting groove (510) and capable of contacting the main cutting mechanism (4).

2. A battery electrode stripping system according to claim 1, characterized in that: The cutter assembly (410) includes an annular knife seat (411) and an annular blade (412) fixedly arranged in the middle of the knife seat (411); the inner side of the knife seat (411) is provided with a limiting sliding groove (413) that slides with the positioning seat (110); and the end surface of the knife seat (411) is provided with a connecting seat (414) that cooperates with the positioning seat (110).

3. A battery electrode stripping system according to claim 2, characterized in that: A suction cavity (415) is provided in the knife seat (411), and a joint (416) and a micropore (417) communicating with the suction cavity (415) are provided on the knife seat (411). A first air channel (101) for an external suction device is provided in the main knife shaft (1), and the first air channel (101) is connected to the joint (416) through a pipeline.

4. A battery electrode stripping system according to claim 2, characterized in that: The positioning seat (110) is provided with a sliding cavity (111) arranged along its length direction and an elongated insertion hole (112) penetrating upward through the sliding cavity (111). A positioning slider (113) is movably provided in the sliding cavity (111). The positioning slider (113) is tightly matched with the positioning seat (110) after being matched with the connecting seat (414) through a bolt.

5. A battery electrode stripping system according to claim 4, characterized in that: A connecting column (114) extending into the insertion hole (112) is fixedly provided on the positioning slider (113); an operating pre-connection cylinder (116) is provided on the outer sleeve of the connecting column (114) and is connected to the positioning slider (113) through an elastic member (115) and extends outside the positioning seat (110); a connecting through hole (418) is provided on the connecting seat (414); and a pre-connection hole (419) coaxial with the positioning seat (110) is further provided at one end of the connecting through hole (418) close to the positioning seat (110).

6. The battery electrode stripping system according to claim 1, characterized in that: The monitoring cleaning assembly (420) comprises a slide seat (421) slidably engaged with the bracket (3); the slide seat (421) is provided with a distance sensor (422) facing the cutter assembly (410) and a suction pipe (423) facing the cutter assembly (410).

7. A battery electrode stripping system according to claim 6, characterized in that: The suction pipes (423) are provided in two groups, and the two groups of the suction pipes (423) are arranged on both sides of the main blade shaft (1) and close to the annular blade groove (510).

8. The battery electrode stripping system according to claim 1, characterized in that: The cooling and cleaning assembly (520) includes an annular base (521) coaxially rotatably arranged in the annular knife groove (510), a fixing frame (522) connecting the annular base (521) and the bracket (3), an adjusting cavity (523) is provided in the annular base (521), a piston hole (524) communicating with the adjusting cavity (523) is provided on one end face of the annular base (521), a piston rod (525) extending to the outside is provided in the piston hole (524) and is connected to an annular cooling cotton sheet (526), ​​and a second air duct (527) communicating with the adjusting cavity (523) is provided in the fixing frame (522).

9. A battery electrode stripping system according to claim 8, characterized in that: The piston rod (525) is connected to a movable seat (528), a storage cavity (529) is provided in the movable seat (528), and the cooling cotton sheet (526) is embedded in the storage cavity (529).

10. The battery electrode stripping system according to claim 8, characterized in that: A debris removal hole (511) is provided on the side wall of the annular knife groove (510), and a debris removal cavity (512) communicating with the debris removal hole (511) is provided in the auxiliary knife shaft (2).

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