Current collector processing device and battery current collector production equipment

Abstract

The embodiment of the utility model discloses a current collector processing device and battery current collector production equipment. The current collector processing device comprises a rack, a first cutter, a second cutter, a feeding mechanism and a driving mechanism, the feeding mechanism is installed on the rack and used for conveying coiled materials to a cutting space defined by the first cutter and the second cutter, and the cutting edge of at least one of the first cutter and the second cutter is in a tooth shape; the driving mechanism is installed on the rack and used for driving one of the first cutter and the second cutter to move relative to the other, the first cutter can be close to or away from the second cutter along the straight line where the first direction is located, and the first cutter can also move back and forth along the straight line where the second direction is located relative to the second cutter. The first direction and the second direction are arranged to form an included angle, and through staggered movement of the first cutter and the second cutter, the material utilization rate of the coiled material can be increased, and meanwhile the mesh size and the wire diameter size are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery current collector production technical field especially relates to a current collector processing device and battery current collector production equipment. BACKGROUND

[0002] Battery current collector is the important component in battery, it is responsible for bearing positive and negative material, and in the charge and discharge process, the current of active material production is gathered output or input, the mesh size and the wire diameter size of battery current collector mesh structure are an important index for measuring battery current collector material performance, and smaller mesh size and wire diameter size can increase the contact area of active material and current collector, improve electron transmission efficiency.

[0003] The mesh processing mode of battery current collector mainly includes chemical method, mechanical cutting method and laser method. The existing mechanical cutting method usually adopts a stamping die, the moving die processing surface of the stamping die is uniformly distributed with cutting blades, the metal coil is placed on the static die, and after the moving die is closed to the static die, the metal coil is punched into a mesh on the static die, but the mesh size and the wire diameter size of the stamping die are relatively large. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of current collector processing device and battery current collector production equipment, to solve the problem of the mesh size and the wire diameter size of the stamping die formed by existing stamping die are relatively large.

[0005] The utility model provides a kind of current collector processing device, the current collector processing device includes rack, first cutter, second cutter, feeding mechanism and drive mechanism;

[0006] The feeding mechanism is installed on the rack, and is used to transport coil in the cutting space enclosed by the first cutter and the second cutter, the cutting edge of at least one of the first cutter and the second cutter is toothed;

[0007] The drive mechanism is installed on the rack, and is used to drive one of the first cutter and the second cutter to move relative to the other, the first cutter can be close to or away from the straight line where the second cutter is in the first direction, and the first cutter can also reciprocate along the straight line where the second cutter is in the second direction, to process the coil in the cutting space into metal mesh, the first direction and the second direction are arranged at an angle.

[0008] In one embodiment, the first cutter is a static cutter, and is fixed to the rack;

[0009] The second cutter is a moving cutter, and is installed on the drive mechanism.

[0010] In one embodiment, the driving mechanism comprises a first driving assembly and a second driving assembly;

[0011] The first driving assembly is mounted on the frame and connected with the second driving assembly, the second driving assembly is connected with the second cutter, one of the first driving assembly and the second driving assembly is used to drive the second cutter to reciprocate along the straight line in the first direction, and the other is used to drive the second cutter to reciprocate along the straight line in the second direction.

[0012] In one embodiment, the first driving assembly and the second driving assembly are linear motors.

[0013] The first driving assembly is used to drive the second cutter to reciprocate along the straight line in the first direction, and the second driving assembly is used to drive the second cutter to reciprocate along the straight line in the second direction.

[0014] In one embodiment, the first driving assembly comprises a first rotary motor, a first screw rod and a first nut, the first nut is sleeved on the first screw rod and is threadedly connected with the first screw rod, the first rotary motor is connected with the first screw rod and is used to drive the first screw rod to rotate.

[0015] The second driving assembly comprises a second rotary motor, a second screw rod, a second nut and a moving plate, the moving plate is fixedly arranged on the first nut, the second nut is sleeved on the second screw rod and is threadedly connected with the second screw rod, the second rotary motor is connected with the second screw rod and is used to drive the second screw rod to rotate, the second cutter is connected with the second nut, and the second rotary motor is mounted on the moving plate.

[0016] In one embodiment, the feeding mechanism is used to feed the coiled material to move in the third direction in the cutting space, the third direction is arranged at an angle with the first direction and the second direction.

[0017] In one embodiment, the first cutting edge of the first cutter is flat, and the second cutting edge of the second cutter is toothed.

[0018] In one embodiment, the first cutting edge of the first cutter and the second cutting edge of the second cutter both extend along the second direction, and the first cutting edge of the first cutter and the second cutting edge of the second cutter both extend along the horizontal direction, the first direction and the second direction are arranged perpendicularly and are both parallel to the horizontal direction.

[0019] In one of the embodiments, the current collector processing device further comprises a leveling structure, the leveling structure comprises an adjusting frame, a rotating shaft and an adjusting assembly, the first cutter is arranged on the adjusting frame, the adjusting frame comprises a rotating end and an adjusting end arranged oppositely, the rotating end is rotatably connected with the frame through the rotating shaft, so that the adjusting frame can drive the first cutter to rotate around the axis of the rotating shaft, the adjusting assembly is installed on the frame and is used for adjusting the position of the adjusting end relative to the frame, so that the first blade edge of the first cutter is parallel to the second blade edge of the second cutter; and / or,

[0020] The first cutter is formed with a first matching surface on one side relative to the second cutter, the second cutter is formed with a second matching surface on one side relative to the first cutter, the first matching surface and the second matching surface are guided and matched, and are used for guiding the second blade edge of the second cutter to move to the first blade edge of the first cutter, the current collector processing device further comprises an adaptive structure, the adaptive structure comprises a self-aligning bearing and an elastic supporting assembly, the moving end of the driving mechanism is movably connected with the second cutter through the self-aligning bearing, and the moving end of the driving mechanism is elastically abutted against the second cutter through the elastic supporting assembly, so that the second matching surface is attached to the first matching surface.

[0021] In a second aspect, the utility model also provides a battery current collector production equipment, the battery current collector production equipment includes the current collector processing device of any one embodiment.

[0022] The utility model discloses the embodiment has the following beneficial effects:

[0023] The current collector processing device and the battery current collector production equipment adopt the utility model, the first cutter can be close to or away from the straight line in the first direction relative to the second cutter, and the first cutter can also reciprocate along the straight line in the second direction relative to the second cutter, so as to process the coiled material in the cutting space into the current collector of the metal net, the first direction and the second direction are arranged at an angle, and the dislocation movement of the first cutter and the second cutter can improve the material utilization rate of the coiled material, reduce the mesh size and the wire diameter size, improve the forming quality of the metal net, and improve the material performance of the battery current collector. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0025] wherein:

[0026] Figure 1 is a schematic view of a battery current collector production apparatus in one embodiment.

[0027] Figure 2 is Figure 1 is a schematic view of a current collector processing device in the battery current collector production apparatus shown.

[0028] Figure 3 is Figure 2 is an enlarged view of portion A in the battery current collector production apparatus shown.

[0029] Figure 4 is Figure 2 is a top view of the current collector processing device shown.

[0030] Figure 5 is Figure 4 is an enlarged view of portion B in the battery current collector production apparatus shown.

[0031] Figure 6 is Figure 2 is a front view of the current collector processing device shown.

[0032] Figure 7 is Figure 6 is a C-C sectional view in the battery current collector production apparatus shown.

[0033] Figure 8 is Figure 2 is a partial schematic view of the current collector processing device shown. Figure 1

[0034] Figure 9 is Figure 8 is another angle schematic view of the current collector processing device shown.

[0035] Figure 10 is Figure 8 is a top view of the current collector processing device shown.

[0036] Figure 11 is Figure 10 is a D-D sectional view in the battery current collector production apparatus shown.

[0037] Figure 12 is Figure 11 is an enlarged view of portion G in the battery current collector production apparatus shown.

[0038] Figure 13 is Figure 10 is an E-E sectional view in the battery current collector production apparatus shown.

[0039] Figure 14 is Figure 13 is an enlarged view of portion H in the battery current collector production apparatus shown.

[0040] Figure 15 is Figure 10 is an F-F sectional view in the battery current collector production apparatus shown. ​

[0041] Figure 16 Fig. 1 shows a schematic view of a metal mesh processing system according to an embodiment of the present application; Figure 2 Fig. 2 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application; Figure 2 Fig. 3 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application; Fig. 4 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application;

[0042] Fig. 5 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application; Figure 17 Fig. 6 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application; Figure 1 Fig. 7 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application; Fig. 8 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application;

[0043] Fig. 9 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application; Figure 18 Fig. 10 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application; Figure 2 Fig. 11 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application; Fig. 12 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application;

[0044] Fig. 13 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application; Figure 19 Fig. 14 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application; Figure 3 Fig. 15 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application; Fig. 16 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application;

[0045] Fig. 17 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application; Figure 20 Fig. 18 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application; Figure 1 Fig. 19 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application; Fig. 20 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application;

[0046] Fig. 21 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application; Figure 21 Fig. 22 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application; Figure 2 Fig. 23 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application; Fig. 24 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application;

[0047] Fig. 25 shows a schematic view of a part of a current collector processing device according to an embodiment of the present application; DETAILED DESCRIPTION

[0048] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0049] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0050] In addition, the description of "first", "second" and the like in the present application is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0051] Please refer to Figure 1 、 Figure 17 to Figure 19 The embodiment of the present application discloses a current collector processing device 200, which is mainly used for cutting and stamping metal coil 20 to form a metal mesh to prepare a battery current collector.

[0052] Please refer to Figures 1 to 21 An embodiment of the current collector processing device 200 includes a rack 210, a first cutter 220, a second cutter 230, a feeding mechanism 240 and a driving mechanism 250. The feeding mechanism 240 is installed on the rack 210 and is used to transport the coil 20 in the cutting space enclosed by the first cutter 220 and the second cutter 230. The cutting edge of at least one of the first cutter 220 and the second cutter 230 is toothed, so as to facilitate the cutting and stamping to form a mesh structure 21.

[0053] In the embodiment, the driving mechanism 250 is installed on the frame 210 and is used to drive one of the first cutter 220 and the second cutter 230 to move relative to the other, the first cutter 220 can move towards or away from the straight line where the second cutter 230 is located in the first direction, and the first cutter 220 can also reciprocate along the straight line where the second cutter 230 is located in the second direction, so as to process the coiled material 20 in the cutting space to form a metal mesh, the first direction and the second direction are arranged at an angle, and the first cutter 220 and the second cutter 230 are arranged in a staggered manner, which can improve the material utilization rate of the coiled material 20, reduce the mesh size and wire diameter size, and improve the forming quality of the metal mesh, thereby improving the material performance of the battery current collector.

[0054] Figure 8 and Figure 10 The arrow X points to the first direction, and the arrow Y points to the second direction.

[0055] It can be understood that the first cutter 220 and the second cutter 230 of the embodiment do not produce cutting waste during processing of the coiled material 20, and the metal mesh is formed by punching and deforming the coiled material 20, rather than cutting and removing the metal sheet in the mesh structure 21, so that the utilization rate of the coiled material 20 is high and the cost is low.

[0056] In an embodiment, please refer to Figures 8 to 15 The first cutter 220 is a static cutter and is fixedly arranged on the frame 210, and the second cutter 230 is a dynamic cutter and is installed on the driving mechanism 250. Through such an arrangement, the driving mechanism 250 can drive the second cutter 230 to move towards or away from the straight line where the first cutter 220 is located in the first direction, and drive the second cutter 230 to reciprocate along the straight line where the first cutter 220 is located in the second direction, so as to process the coiled material 20 in the cutting space to form a metal mesh, and the first cutter 220 and the second cutter 230 are arranged in a staggered manner, which can improve the material utilization rate of the coiled material 20, and reduce the mesh size and wire diameter size.

[0057] Of course, in other embodiments, the first cutter 220 and the second cutter 230 can both be dynamic cutters, at this time, the driving mechanism 250 can drive the second cutter 230 to reciprocate along the straight line where the first cutter 220 is located in the first direction, and drive the first cutter 220 to reciprocate along the straight line where the second cutter 230 is located in the second direction, so as to realize the cutter alignment movement of the first cutter 220 and the second cutter 230, at this time, the cutting edge of the first cutter 220 is tooth-shaped, and the cutting edge of the second cutter 230 is flat.

[0058] In an embodiment, please refer to Figures 8 to 15The driving mechanism 250 comprises a first driving assembly 251 and a second driving assembly 252; the first driving assembly 251 is installed on the rack 210 and connected with the second driving assembly 252; the second driving assembly 252 is connected with the second cutter 230; one of the first driving assembly 251 and the second driving assembly 252 is used to drive the second cutter 230 to reciprocate along the straight line in the first direction, and the other is used to drive the second cutter 230 to reciprocate along the straight line in the second direction, so as to realize the staggered movement of the first cutter 220 and the second cutter 230, and the tool alignment movement of the first cutter 220 and the second cutter 230, which can improve the material utilization rate of the coiled material 20, and at the same time reduce the mesh size and the wire diameter size.

[0059] Specifically, the first driving assembly 251 and the second driving assembly 252 are both linear motors; the first driving assembly 251 is used to drive the second cutter 230 to reciprocate along the straight line in the first direction, and the second driving assembly 252 is used to drive the second cutter 230 to reciprocate along the straight line in the second direction, so as to realize the tool alignment movement of the second cutter 230 relative to the first cutter 220.

[0060] Of course, in other embodiments, the first driving assembly 251 can comprise a first rotary motor, a first lead screw and a first nut; the first nut is sleeved on the first lead screw and is threadedly connected with the first lead screw; the first rotary motor is connected with the first lead screw and is used to drive the first lead screw to rotate; the second driving assembly 252 can comprise a second rotary motor, a second lead screw, a second nut and a moving plate; the moving plate is fixedly arranged on the first nut; the second nut is sleeved on the second lead screw and is threadedly connected with the second lead screw; the second rotary motor is connected with the second lead screw and is used to drive the second lead screw to rotate; the second cutter 230 is connected with the second nut; and the second rotary motor is installed on the moving plate, so as to realize the tool alignment movement of the second cutter 230 relative to the first cutter 220, but compared with the linear motor scheme, the cooperation scheme of the rotary motor and the lead screw nut driving mechanism 250 has a more complex structure and a higher failure rate.

[0061] In an embodiment, the feeding mechanism 240 is used to convey the coiled material 20 to move in the third direction in the cutting space; the third direction is arranged at an angle with the first direction and the second direction, so as to realize the conveying and processing of the coiled material 20. Specifically, the third direction can be arranged perpendicular to the first direction and the second direction.

[0062] Figures 17 to 19 The third direction is indicated by the arrow Z; with the conveying of the coiled material 20 by the feeding mechanism 240 along the third direction, at the same time, the driving mechanism 250 drives the second cutter 230 to move relative to the first cutter 220 to align the tools once, and processes a row of mesh structures 21 on the coiled material 20; at this time, the mesh structure 21 is triangular, as shown in FIG. 6B. Figure 17As shown, then, with the feeding mechanism 240 conveying the coil material 20 to continue moving along the third direction, the driving mechanism 250 drives the second cutter 230 to move against the first cutter 220 again, and processes another row of mesh structures 21 on the coil material 20, at this time, the first row of mesh structures 21 is stretched into a prismatic shape, and the second row of mesh structures 21 is a triangular shape, as shown in Figure 18 As shown, the above-mentioned actions are repeated, and the coil material 20 is processed into a shape, as shown in Figure 19

[0063] Figure 20 Figure 21 are respectively schematic diagrams of the tool setting of the first cutter 220 and the second cutter 230, Figure 20 As shown, the second cutting edge 231 of the second cutter 230 moves away from the first cutting edge 221 of the first cutter 220, at this time, there is a gap between the second cutting edge 231 of the second cutter 230 and the first cutting edge 221 of the first cutter 220, which can be used for the metal mesh to pass through, Figure 21 As shown, the second cutting edge 231 of the second cutter 230 moves against the first cutting edge 221 of the first cutter 220, at this time, the second cutting edge 231 of the second cutter 230 and the first cutting edge 221 of the first cutter 220 partially overlap, that is, the tooth-shaped second cutting edge 231 and the flat blade-shaped first cutting edge 221 partially overlap, but the coil material 20 has not been cut off yet, so that the mesh structure 21 is punched and deformed on the coil material 20.

[0064] In an embodiment, the first cutting edge 221 of the first cutter 220 is a flat blade, and the second cutting edge 231 of the second cutter 230 is tooth-shaped, by such a setting, the tool setting movement of the first cutter 220 and the second cutter 230 can cut and punch the coil material 20 to form the mesh structure 21.

[0065] In the embodiment, the first cutting edge 221 of the first cutter 220 and the second cutting edge 231 of the second cutter 230 both extend along the second direction, so that the first cutter 220 and the second cutter 230 can move in a direction parallel to the cutting edges, which facilitates to improve the material utilization rate of the coil material 20, and at the same time, reduces the size of the mesh and the wire diameter.

[0066] Specifically, the first cutting edge 221 of the first cutter 220 and the second cutting edge 231 of the second cutter 230 both extend along the horizontal direction, the first direction and the second direction are vertically arranged, and are both parallel to the horizontal direction, by such a setting, the tool setting movement of the first cutter 220 and the second cutter 230 can be realized by the driving mechanism 250.

[0067] In an embodiment, please refer to Figure 16 ​​, the first cutter 220 is formed with a first matching surface 222 on one side relative to the second cutter 230, the second cutter 230 is formed with a second matching surface 232 on one side relative to the first cutter 220, the first matching surface 222 and the second matching surface 232 guide and match, and are used to guide the second blade edge 231 of the second cutter 230 and the first blade edge 221 of the first cutter 220 to move to each other, so as to ensure the accuracy of the cutter alignment and facilitate the improvement of the material utilization rate of the coiled material 20. The driving mechanism 250 is installed on the rack 210 and connected with the second cutter 230 through the self-adaptive structure 260, so as to facilitate the cutting and stamping of the coiled material 20 to form the mesh structure 21.

[0068] Please refer to Figures 8 to 16 In the embodiment, the current collector processing device 200 further comprises a self-adaptive structure 260, the self-adaptive structure 260 comprises a self-aligning bearing 261 and an elastic supporting assembly, the moving end of the driving mechanism 250 is movably connected with the second cutter 230 through the self-aligning bearing 261, and the moving end of the driving mechanism 250 further elastically abuts against the second cutter 230 through the elastic supporting assembly, so that the second matching surface 232 is attached to the first matching surface 222, thereby enabling the second cutter 230 to be self-adapted to the cutter alignment with the first cutter 220, eliminating the cutter alignment error, and ensuring the cutter alignment accuracy of the current collector processing device 200, so as to form a more uniform mesh structure 21 on the metal mesh.

[0069] It can be understood that, since there is a cutter alignment error between the first cutter 220 and the second cutter 230 after assembly, the second cutter 230 is movably connected with the driving mechanism 250 through the self-aligning bearing 261 and the elastic supporting assembly, so that the second cutter 230 can be self-adapted to the cutter alignment with the first cutter 220, eliminating the cutter alignment error.

[0070] Further, the first matching surface 222 and the second matching surface 232 are arranged in parallel, so that during the cutter alignment movement of the second cutter 230 relative to the first cutter 220 driven by the driving mechanism 250, the movement of the second cutter 230 relative to the first cutter 220 will generate a movement error, thereby affecting the cutter alignment accuracy of the second cutter 230 relative to the first cutter 220.

[0071] Through the arrangement of the self-aligning bearing 261, the second cutter 230 can be fixed relative to the driving mechanism 250 in a plane parallel to the plane in which the first matching surface 222 is located, but can pitch around the self-aligning bearing 261, thereby eliminating the error of the guided movement of the second matching surface 232 and the first matching surface 222. At the same time, through the support of the elastic supporting assembly, the elastic supporting assembly is in point contact with the bottom of the second cutter 230, thereby facilitating the pitching movement of the second cutter 230 and eliminating the movement error, so as to ensure the cutter alignment accuracy of the second cutter 230 and the first cutter 220, and form a more uniform mesh structure 21 on the metal mesh.

[0072] In an embodiment, the adaptive structure 260 further comprises a connecting frame, the connecting frame comprises a first frame body 263 located at the side of the second cutter 230, and a second frame body 264 located at the bottom of the second cutter 230; the second frame body 264 is provided with two, and is respectively arranged on both sides of the first frame body 263, and the elastic support assembly is provided with two groups and is respectively arranged on the second frame body 264 one by one; the first frame body 263 is movably connected with the side of the second cutter 230 through the self-aligning bearing 261, and the elastic support assembly is arranged on the second frame body 264 and located between the bottom of the second cutter 230 and the second frame body 264.

[0073] Through such arrangement, the self-aligning bearing 261 can support the second cutter 230 to be fixed relative to the driving mechanism 250 in a plane parallel to the first matching surface 222, but can be pivoted around the self-aligning bearing 261, thereby eliminating the error of the guided movement of the second matching surface 232 and the first matching surface 222.

[0074] Meanwhile, through such arrangement, the elastic support assembly is symmetrically arranged on both sides of the second cutter 230, which can ensure the reliability of the elastic support assembly, and the elastic support assembly can be in point contact with the bottom of the second cutter 230, thereby facilitating the support of the second cutter 230 to pivot, which is beneficial to eliminate the movement error, thereby ensuring the accuracy of the alignment of the second cutter 230 and the first cutter 220, so as to form a more uniform mesh structure 21 on the metal mesh.

[0075] In an embodiment, the adaptive structure 260 further comprises a connecting rod, the outer ring of the self-aligning bearing 261 is fixedly arranged on the second cutter 230, one end of the connecting rod is fixedly arranged on the first frame body 263, and the other end is in clearance fit with the inner ring of the self-aligning bearing 261, so that the inner ring can slide along the axis direction of the connecting rod, through such arrangement, in a plane perpendicular to the axis direction of the connecting rod, i.e. in the plane where the first matching surface 222 is located, the self-aligning bearing 261 can support the second cutter 230 to be fixed relative to the driving mechanism 250 in a plane parallel to the plane where the first matching surface 222 is located, but the second cutter 230 can pivot around the self-aligning bearing 261, and the second cutter 230 can slide along the axis direction of the connecting rod, thereby eliminating the error of the guided movement of the second matching surface 232 and the first matching surface 222.

[0076] Specifically, the self-aligning bearing 261 is provided with multiple and is arranged at intervals along the side of the second cutter 230, thereby ensuring the stability and reliability of the movable connection, specifically, the self-aligning bearing 261 is provided with two. Of course, in other embodiments, the number of the self-aligning bearing 261 can be three or more according to needs.

[0077] In an embodiment, the elastic support assembly comprises the support 262 and the elastic member 265, the second frame body 264 is provided with a mounting groove 266, the elastic member 265 is accommodated in the mounting groove 266 and elastically connects the support 262 to be capable of pushing the universal ball of the support 262 to abut against the bottom of the second cutter 230. Through the arrangement of the elastic member 265, the support 262 and the bottom of the second cutter 230 can be elastically abutted, which facilitates the pitching movement of the second cutter 230 to eliminate the movement error when the cutter is aligned.

[0078] In the embodiment, please refer to Figure 14 The adaptive structure 260 further comprises a gasket 267 and an abutting member 268. The gasket 267 is accommodated in the mounting groove 266, and the elastic member 265 elastically abuts against the gasket 267 and the support 262. The abutting member 268 penetrates through the second frame body 264 and is threadedly connected with the second frame body 264. The abutting member 268 extends into the mounting groove 266 and abuts against the gasket 267. Through such an arrangement, the elastic capability of the elastic member 265 can be adjusted by operating the abutting member 268, so as to adjust the strength of the elastic abutment between the support 262 and the bottom of the second cutter 230, thereby ensuring that the second mating surface 232 of the second cutter 230 and the first mating surface 222 of the first cutter 220 are tightly fitted with the pre-tightening force, so as to ensure the cutter alignment accuracy between the second cutter 230 and the first cutter 220.

[0079] Specifically, the support 262 is a bull-eye bearing, and each group of elastic support assemblies is provided with a plurality of elastic support assemblies, so as to ensure the stability and reliability of the elastic support for the second cutter 230. Specifically, each group of elastic support assemblies is provided with two elastic support assemblies. Of course, in other embodiments, the number of the elastic support assemblies can be three or more according to the needs.

[0080] In an embodiment, please refer to Figures 2 to 9 The current collector processing device 200 further comprises a leveling structure 270. The leveling structure 270 comprises an adjusting frame 271, a rotating shaft 272 and an adjusting assembly 273. The first cutter 220 is arranged on the adjusting frame 271. The adjusting frame 271 comprises opposite rotating ends and adjusting ends. The rotating ends are rotationally connected with the rack 210 through the rotating shaft 272, so that the adjusting frame 271 can drive the first cutter 220 to rotate around the axis of the rotating shaft 272. The adjusting assembly 273 is arranged on the rack 210 and is used to adjust the position of the adjusting ends relative to the rack 210, so that the first blade edge 221 of the first cutter 220 is parallel to the second blade edge 231 of the second cutter 230, thereby ensuring the cutter alignment accuracy of the current collector processing device 200 to form a more uniform mesh structure 21 on the metal mesh.

[0081] In an embodiment, the first rotating hole 211 is formed on the rack 210, the second rotating hole 2711 is arranged on the adjusting rack 271 and corresponds to the first rotating hole 211, one end of the rotating shaft 272 is accommodated in the first rotating hole 211, and the other end is accommodated in the second rotating hole 2711, so as to rotate the adjusting rack 271 with the rack 210, and the one end of the adjusting rack 271 is used as a rotating shaft.

[0082] Further, in the embodiment, the first fixing hole 212 is formed on the rack 210, the first adjusting hole 2712 is arranged on the adjusting rack 271 and corresponds to the first fixing hole 212, and the first adjusting hole 2712 extends in a strip shape or an arc shape.

[0083] Specifically, the current collector processing device 200 further comprises a first adjusting member 274, the first adjusting hole 2712 is arranged at any position of the first adjusting hole 2712 and is detachably connected with the first fixing hole 212, so as to facilitate fixing and locking the adjusted adjusting rack 271 on the rack 210, and to ensure the position accuracy of the first cutter 220.

[0084] Specifically, the adjusting assembly 273 comprises an elastic module 2731 and an adjusting module; the elastic module 2731 and the adjusting module are arranged on the two sides of the adjusting end respectively, the elastic module 2731 is installed on the rack 210 and is elastically connected with the adjusting end, the adjusting module is installed on the rack 210 and is used for abutting the adjusting end to move close to the elastic module 2731 and elastically compress the elastic module 2731. Through such arrangement, the adjusting module can adjust the rotating position of the adjusting rack 271 relative to the rack 210, so as to drive the first blade 221 of the first cutter 220 and the second blade 231 of the second cutter 230 to be parallel, thereby ensuring the tool setting accuracy of the current collector processing device 200, so as to form a more uniform mesh structure 21 on the metal mesh.

[0085] It can be understood that after the adjusting module releases the adjusting rack 271, the adjusting rack 271 can be reset under the elastic force of the elastic module 2731, so as to flexibly adjust the rotating position of the adjusting rack 271 relative to the rack 210.

[0086] Further, the adjusting module is an electric adjusting module, and the manual adjusting module comprises a fixed block 2732, a moving block 2733, an adjusting rod 2734 and a hand wheel 2735; the fixed block 2732 is installed on the rack 210, the fixed block 2732 is provided with a threaded hole, the adjusting rod 2734 is arranged in the threaded hole and is threadedly connected with the fixed block 2732, the hand wheel 2735 is arranged at an end of the adjusting rod 2734, and rotating the hand wheel 2735 can drive the adjusting rod 2734 to rotate, so that the adjusting rod 2734 pushes the moving block 2733 to abut against the adjusting end and move close to the elastic module 2731. In this way, the position movement of the moving block 2733 can be realized by using a screw rod and nut adjusting structure, and then the rotating position of the adjusting frame 271 relative to the rack 210 is adjusted.

[0087] In the embodiment, in order to further improve the leveling precision of the first cutting edge 221 of the first cutter 220 and the second cutting edge 231 of the second cutter 230, a first inclined surface 2736 is formed on one side of the fixed block 2732 relative to the moving block 2733, a second inclined surface 2737 is arranged on one side of the moving block 2733 relative to the fixed block 2732, and the first inclined surface 2736 and the second inclined surface 2737 are in sliding fit; the adjusting rod 2734 is provided with a pushing block 2738, and the pushing block 2738 abutting against the moving block 2733 can make the moving block 2733 slide along the extension track of the first inclined surface 2736 relative to the fixed block 2732, and make the moving block 2733 abutting against the adjusting end move close to the elastic module 2731. In this way, on the basis of the adjusting precision of each thread of the threaded structure, the cooperation of the first inclined surface 2736 and the second inclined surface 2737 is introduced, so as to further improve the displacement precision of the moving block 2733, thereby increasing the rotating position precision of the adjusting frame 271 relative to the rack 210, and thus the parallelism of the first cutting edge 221 of the first cutter 220 and the second cutting edge 231 of the second cutter 230 can be further ensured, so as to ensure the tool setting precision of the current collector processing device 200, and form a more uniform mesh structure 21 on the metal mesh.

[0088] Specifically, the manual adjusting module further comprises a roller 2739, the roller 2739 is rotationally connected to the adjusting end and is in rolling fit with the moving block 2733, so that the surface fit between the moving block 2733 and the adjusting frame 271 is changed to rolling fit, and the leveling smoothness and precision of the first cutting edge 221 of the first cutter 220 and the second cutting edge 231 of the second cutter 230 are improved.

[0089] Of course, in other embodiments, the adjusting module can also be an electric adjusting module, which comprises a fixed block, a moving block, an adjusting rod and an adjusting motor; the fixed block is installed on the rack, the fixed block is provided with a threaded hole, the adjusting rod is arranged in the threaded hole and is in threaded connection with the fixed block, the adjusting motor is in transmission connection with the adjusting rod and is used for driving the adjusting rod to rotate, so that the adjusting rod pushes the moving block to abut against the adjusting end and moves close to the elastic module; compared with the manual adjusting module, the electric adjusting module has higher adjusting precision, but the cost is also increased; further, the adjusting motor can be a servo motor or a stepping motor.

[0090] In an embodiment, the rack 210 is further provided with a second fixing hole 213, and the adjusting rack 271 is further provided with a second adjusting hole 2713 corresponding to the second fixing hole 213, and the second adjusting hole 2713 extends in a strip shape or an arc shape; through such an arrangement, the arc-shaped rotation of the adjusting rack 271 can be adapted.

[0091] Specifically, the current collector processing device 200 further comprises a second adjusting piece 275, and the second adjusting hole 2713 is arranged at any position of the second adjusting hole 2713 and is detachably connected with the second fixing hole 213, so as to facilitate fixing and locking the adjusted adjusting rack 271 on the rack 210, thereby ensuring the position accuracy of the first cutter 220.

[0092] Please refer to Figures 1 to 21 The utility model embodiment further discloses a battery current collector production equipment, and the battery current collector production equipment comprises the current collector processing device 200 of any one of the above embodiments.

[0093] It can be understood that, in the current collector processing device 200, the first cutter 220 can approach or deviate from the straight line where the second cutter 230 is located along the first direction, and the first cutter 220 can also reciprocate along the straight line where the second cutter 230 is located along the second direction, so as to process the coiled material 20 in the cutting space into a metal mesh; the first direction and the second direction are arranged at an angle; through the staggered movement of the first cutter 220 and the second cutter 230, the material utilization rate of the coiled material 20 can be improved, the mesh size and the wire diameter size can be reduced, and the forming quality of the metal mesh can be improved.

[0094] The current collector processing device 200 is applied to the battery current collector production equipment, so that the preparation cost of the current collector can be reduced, and the product quality of the current collector can be improved.

[0095] Please refer to Figure 1 The battery current collector production equipment further comprises a winding device 100, and the winding device 100 is used for winding the metal mesh processed by the current collector processing device 200.

[0096] The above disclosed is only the preferred embodiment of the present application, of course, cannot be limited by this to limit the scope of the present application, therefore, the equivalent changes made according to the present application claims, still belong to the scope covered by the present application.

Claims

1. A current collector processing apparatus characterized by comprising: The current application discloses a current collector processing device. The feeding mechanism is installed on the frame and is used to transport the coiled material in the cutting space formed by the first cutter and the second cutter, at least one of the first cutter and the second cutter has a serrated cutting edge. The driving mechanism is installed on the frame and is used to drive one of the first cutter and the second cutter to move relative to the other, the first cutter can move towards or away from the straight line where the second cutter is located in the first direction, and the first cutter can also reciprocate along the straight line where the second cutter is located in the second direction, so as to process the coiled material in the cutting space into a metal mesh, the first direction is arranged at an angle with the second direction.

2. The current collector processing apparatus according to claim 1, wherein The first cutter is a static cutter and is fixed on the frame. The second cutter is a dynamic cutter and is installed on the driving mechanism.

3. The current collector processing apparatus according to claim 2, wherein The driving mechanism includes a first driving assembly and a second driving assembly. The first driving assembly is installed on the frame and is connected with the second driving assembly, the second driving assembly is connected with the second cutter, one of the first driving assembly and the second driving assembly is used to drive the second cutter to reciprocate along the straight line where the first direction is located, and the other is used to drive the second cutter to reciprocate along the straight line where the second direction is located.

4. The current collector processing apparatus according to claim 3, wherein The first driving assembly and the second driving assembly are both linear motors. The first driving assembly is used to drive the second cutter to reciprocate along the straight line where the first direction is located, and the second driving assembly is used to drive the second cutter to reciprocate along the straight line where the second direction is located.

5. The current collector processing apparatus according to claim 3, wherein The first driving assembly includes a first rotary motor, a first screw rod and a first nut, the first nut is sleeved on the first screw rod and is threadedly connected with the first screw rod, the first rotary motor is connected with the first screw rod and is used to drive the first screw rod to rotate. The second driving assembly includes a second rotary motor, a second screw rod, a second nut and a moving plate, the moving plate is fixed on the first nut, the second nut is sleeved on the second screw rod and is threadedly connected with the second screw rod, the second rotary motor is connected with the second screw rod and is used to drive the second screw rod to rotate, the second cutter is connected with the second nut, and the second rotary motor is installed on the moving plate.

6. The current collector processing apparatus according to claim 1, wherein The feeding mechanism is used to transport the coiled material in the cutting space to move in the third direction, the third direction is arranged at an angle with the first direction and the second direction.

7. The current collector processing apparatus according to any one of claims 1 to 6, wherein The first cutting edge of the first cutter is a flat blade, and the second cutting edge of the second cutter is serrated.

8. The current collector processing apparatus according to claim 1, wherein The first cutting edge of the first cutter and the second cutting edge of the second cutter both extend along the second direction, and the first cutting edge of the first cutter and the second cutting edge of the second cutter both extend along the horizontal direction, the first direction and the second direction are arranged vertically and are both parallel to the horizontal direction.

9. The current collector processing apparatus according to claim 1, wherein The current collector processing device further comprises a leveling structure, the leveling structure comprises an adjusting frame, a rotating shaft and an adjusting assembly, the first cutter is arranged on the adjusting frame, the adjusting frame comprises a rotating end and an adjusting end arranged oppositely, the rotating end is rotatably connected with the rack through the rotating shaft, so that the adjusting frame can drive the first cutter to rotate around the axis of the rotating shaft, the adjusting assembly is installed on the rack and is used for adjusting the position of the adjusting end relative to the rack, so that the first blade edge of the first cutter is parallel to the second blade edge of the second cutter; and / or, The first cutter is formed with a first matching surface on one side relative to the second cutter, the second cutter is formed with a second matching surface on one side relative to the first cutter, the first matching surface and the second matching surface are guided and matched, and are used for guiding the second blade edge of the second cutter to move in alignment with the first blade edge of the first cutter, the current collector processing device further comprises an adaptive structure, the adaptive structure comprises a self-aligning bearing and an elastic supporting assembly, the moving end of the driving mechanism is movably connected with the second cutter through the self-aligning bearing, and the moving end of the driving mechanism further elastically abuts against the second cutter through the elastic supporting assembly, so that the second matching surface is attached to the first matching surface.

10. A battery current collector production apparatus characterized by comprising: The battery current collector production equipment comprises the current collector processing device according to any one of claims 1 to 9.

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