Electronic slitting knife positioning device for lithium battery pole piece processing

Abstract

The utility model discloses an electronic slitting knife positioning device for processing a lithium battery pole piece, and particularly relates to the field of slitting of the lithium battery pole piece, which comprises a knife body, a knife shaft, a blade, an upper mounting frame, a lower mounting frame and a carrier, the upper mounting frame and the lower mounting frame are both connected to a rack of the slitting equipment, the distance between the upper mounting frame and the lower mounting frame is adjustable, the upper mounting frame and the lower mounting frame are both rotationally connected with cutter shafts, the cutter shafts are detachably connected with a plurality of carriers in the axis direction, and each carrier is detachably connected with a slitting cutter. The slitting knife comprises a plurality of blades which can be spliced; according to the splitting cutter, an original complete splitting cutter is designed into a combined type, a carrier originally fixed to the cutter shaft is replaced into a detachable type, the installation precision of fasteners such as bolts is guaranteed, energy needed for manually replacing the cutter is reduced, the labor intensity of workers is reduced, the labor intensity of workers is reduced, and the production efficiency is improved. The labor consumption is reduced, and the convenience of replacing the cutter is improved.

Description

Technical Field

[0001] The utility model relates to the field of lithium battery pole piece slitting, and more specifically, to an electronic slitting knife positioning device for lithium battery pole piece processing. Background Art

[0002] Based on the arrangement of the upper knife and the lower knife as recorded in the Chinese patent with patent publication number CN116393762A, in the process of changing the knife, it is necessary to first remove the upper knife shaft and the lower knife shaft, and then replace multiple blades one by one, and then reinstall the upper knife shaft and the lower knife shaft to the slitting equipment. The total weight of the knife shaft carrying the slitting knife is heavy, and the operation process of removing and reinstalling the knife shaft is more labor-intensive. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides an electronic slitting knife positioning device for lithium battery pole piece processing. The technical problem to be solved by the utility model is: how to improve the convenience of replacing blades on the upper knife shaft and the lower knife shaft.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electronic slitting knife positioning device for processing lithium battery pole pieces, comprising a knife body, including a knife shaft, a blade, an upper mounting frame, a lower mounting frame and a carrier, the upper mounting frame and the lower mounting frame are both connected to the frame of the slitting equipment and the spacing between the upper mounting frame and the lower mounting frame is adjustable, the upper mounting frame and the lower mounting frame are both rotatably connected to the knife shaft, the knife shaft is detachably connected to a plurality of carriers along the axial direction, each carrier is detachably connected to a slitting knife, and the slitting knife includes a plurality of blades that can be assembled; and an adjusting body for adjusting the spacing between the upper mounting frame and the lower mounting frame.

[0005] In a preferred embodiment, a boss is fixedly connected to the blade shaft, and both the carrier and the blade are provided with clearance grooves at corresponding positions, and the boss and the carrier are connected by bolt fasteners.

[0006] In a preferred embodiment, two adjacent blades are connected via a concave-convex component.

[0007] In a preferred embodiment, the concave-convex component includes a prismatic convex head and a prismatic concave groove, and the two ends of the blade are respectively provided with a convex head and a concave groove.

[0008] In a preferred embodiment, the concave-convex component includes an arc-shaped convex head and an arc-shaped concave groove, and the two ends of the blade are respectively provided with a convex head and a concave groove.

[0009] In a preferred embodiment, the adjusting body includes a motor and a bolt, the motor is mounted on a lower mounting frame, the output shaft of the motor is fixedly connected to the bolt, the bolt is threadedly connected to the blade, the upper mounting frame is slidably connected to the frame, and the lower mounting frame is fixedly connected to the frame.

[0010] In a preferred embodiment, the adjusting body includes a resistance group, the resistance group includes a connecting rod and a resistance head, the upper mounting frame and the lower mounting frame are fixedly connected with the connecting rod, and the ends of the two connecting rods are fixedly connected with a pair of fittable resistance heads.

[0011] In a preferred embodiment, a stress sensor is embedded in the contact head, and the stress sensor is electrically connected to an external controller.

[0012] In a preferred embodiment, a lubricating body is provided on the outer side of the upper mounting frame and the lower mounting frame, and the lubricating body includes an outer shell, an inner shell and a sponge group. The outer shell is fixedly connected to the corresponding upper mounting frame or lower mounting frame, and the inner shell is fixedly connected to the inner shell. A plurality of sponge groups are fixedly connected to the inner shell. The sponge groups are located on the rotation path of the corresponding blades. An oil pipe is fixedly connected to the lubricating body, and the oil pipe is used to introduce external oil into the sponge group.

[0013] In a preferred embodiment, the sponge group includes a sponge body, an open groove, a friction edge and an oil receiving groove, the oil pipe and the sponge body are connected, the sponge body is provided with an open groove for the blade to pass through, the side wall of the open groove is fixedly connected with a friction edge for contacting the blade, the friction edge is shaped like an arc with one end higher than the other end, the sponge body is fixedly connected with an oil receiving groove, and the oil receiving groove is arranged close to the lower end of the friction edge.

[0014] Technical effects and advantages of the utility model:

[0015] This design transforms the original complete slitting knife into a modular one, and replaces the carrier originally fixed on the knife shaft with a detachable one. This ensures the installation accuracy of fasteners such as bolts, reduces the effort required for manual tool replacement, reduces labor consumption, and improves the convenience of tool replacement. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the technical solution of the present utility model and constitute a part of the present utility model. The embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation on the present utility model.

[0017] Figure 1 The utility model is a structural diagram of an electronic slitting knife positioning device for processing lithium battery pole pieces.

[0018] Figure 2 It is a front view of the device in the utility model.

[0019] Figure 3 It is a structural diagram of a concave-convex component in the utility model.

[0020] Figure 4 It is a structural diagram of another concave-convex component in the utility model.

[0021] Figure 5 It is a structural diagram of the sponge group in the utility model.

[0022] Figure 6 It is the structural diagram of the friction edge of the utility model.

[0023] The accompanying drawings are marked as follows: 1. knife body; 11. knife shaft; 12. blade; 13. upper mounting frame; 14. lower mounting frame; 15. carrier; 2. lubricating body; 21. outer shell; 22. inner shell; 23. sponge group; 231. sponge body; 232. opening groove; 233. friction edge; 234. oil receiving groove; 24. oil pipe; 3. adjusting body; 31. motor; 32. bolt; 33. interference group; 331. connecting rod; 332. interference head. DETAILED DESCRIPTION

[0024] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that the description of the present disclosure will be more comprehensive and complete and the concepts of the example embodiments will be fully conveyed to those skilled in the art. The accompanying drawings are only schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the figures represent the same or similar parts, and thus their repeated description will be omitted.

[0025] In addition, the described features, structures or characteristics may be combined in one or more example embodiments in any suitable manner. In the following description, many specific details are provided to provide a full understanding of the example embodiments of the present disclosure. However, those skilled in the art will appreciate that the technical solutions of the present disclosure may be practiced while omitting one or more of the specific details, or other methods, components, steps, etc. may be adopted. In other cases, well-known structures, methods, implementations or operations are not shown or described in detail to avoid obscuring various aspects of the present disclosure.

[0026] Example 1

[0027] The utility model provides Figure 1 - Figure 6 The electronic slitting knife positioning device for lithium battery pole piece processing shown comprises a knife body 1 and an adjusting body 3, wherein the adjusting body 3 is used to adjust the position of the knife body 1.

[0028] The knife body 1 includes a knife shaft 11, a blade 12, an upper mounting frame 13, a lower mounting frame 14 and a carrier 15. A plurality of carriers 15 for mounting the blade 12 are provided on the knife shaft 11. The shape of the carrier 15 is also a round cake shape. A slitting knife is installed on the carrier 15. There are two knife shafts 11, one of which is rotatably connected to the upper mounting frame 13, and the other is rotatably connected to the lower mounting frame 14. The slitting knife installed on the upper mounting frame 13 is called an upper knife group, and the slitting knife installed on the lower mounting frame 14 is called a lower knife group. A driving member for driving the knife shaft 11 to rotate is provided on one side of the knife shaft 11. The driving member can be a torque output device such as a motor. The two knife shafts 11 are connected by a gear transmission member. Because the gear transmission member is a common transmission method, this embodiment will not be described in detail here.

[0029] The slitting knife includes a plurality of blades 12 , and the plurality of blades 12 can be detachably connected to an end surface of the carrier 15 , and the plurality of blades 12 form a complete slitting knife.

[0030] Preferably, the blade 12 is connected to the carrier 15 by bolt fasteners.

[0031] Preferably, two adjacent blades 12 are precisely positioned by a concave-convex component, the concave-convex component includes a convex head and a concave groove, and the two side edges of the same blade 12 are respectively provided with a convex head and a concave groove.

[0032] In one embodiment of the concave-convex assembly, the mating surfaces of the convex head and the concave groove are multiple straight surfaces with edges and corners. This method is accurate in positioning, but the edges and corners are prone to wear;

[0033] In another implementation of the concave-convex assembly, the mating surfaces of the convex head and the concave groove are arc surfaces with smooth transitions and a non-angular setting, which reduces the wear of the convex head and the concave groove during use.

[0034] Preferably, a boss with a flat end face is provided on the blade shaft 11, and a through hole is provided on the carrier 15, and the through hole corresponds to the position of the boss. During installation, the carrier 15 is put on the blade shaft 11, and the boss and the through hole cooperate with each other to form a guide route to achieve rapid installation of the carrier 15. The blade 12 also has a through hole at the corresponding position.

[0035] A connection method: an extension plate is fixedly connected to the outer side of the through hole, and the extension plate and the plane of the boss are connected by bolt fasteners.

[0036] Another connection method is that an extension plate is fixedly connected to the outer side of the through hole, and the extension plate and the plane of the boss are connected by a pin shaft.

[0037] Preferably, the number of blades 12 corresponds to the number of through holes on the carrier 15 one by one.

[0038] Example 2

[0039] On the basis of the above embodiment, the adjusting body 3 includes a motor 31 and a bolt 32, the motor 31 is installed on the lower mounting frame 14, the lower mounting frame 14 is fixedly connected to the frame of the slitting equipment, the upper mounting frame 13 is slidably connected to the frame, the output shaft of the motor 31 is fixedly connected to the bolt 32, and the upper mounting frame 13 and the bolt 32 are threadedly connected.

[0040] When in use, the motor 31 is controlled to rotate through an external controller, and the characteristics of the threaded connection are used to drive the upper mounting frame 13 to move upward, so that the upper knife group and the lower knife group are separated from each other. At this time, there is enough space between the upper knife group and the lower knife group, which is convenient for the user to first remove the carrier 15 from the knife shaft 11, and then remove the blade 12 from the carrier 15. After replacing the blade 12, the carrier 15 can be reinstalled on the knife shaft 11 one by one, and then the screws between the carrier 15 and the knife shaft 11 can be tightened.

[0041] It can be known that after removing several carriers 15 located on the outermost side, the remaining carriers 15 only need to be moved outward a certain distance to ensure that there is enough space to remove the blade 12, which further reduces the manual load during the replacement of the blade 12.

[0042] Another structure of the adjusting body 3 can be: the adjusting body 3 is one of a pneumatic cylinder, a hydraulic cylinder or an electric cylinder, the cylinder body is fixed on the frame, the telescopic rod and the upper mounting frame 13 are fixedly connected, and the external controller further adjusts the distance between the upper knife group and the lower knife group by controlling the extension degree of the telescopic rod.

[0043] Example 3

[0044] On the basis of the above embodiment, the convenience of installation is further improved by adding the interference group 33.

[0045] A connecting rod 331 is fixedly connected to both the upper mounting frame 13 and the lower mounting frame 14, and a contact head 332 is fixedly connected to the end of the connecting rod 331. The contact head 332 is made of a polymer material, preferably rubber. When the motor 31 controls the upper knife group to move downward and drives the two contact heads 332 to collide, it means that the upper knife group is installed in place.

[0046] Furthermore, by installing stress sensors in the two contact heads 332, the sensors and the external controller are electrically connected. When the two contact heads 332 approach and fit each other, the value detected by the stress sensor gradually increases to a preset value, which means that the upper knife group is installed in place.

[0047] The preset value is set manually. By connecting the external controller to a display, the stress changes can be visually viewed, thus improving the installation accuracy of the upper and lower knife groups.

[0048] Example 4

[0049] On the basis of embodiments 1-3, a lubricating body 2 is further provided above the upper knife assembly and below the lower knife assembly.

[0050] The lubricating body 2 includes an outer shell 21, an inner shell 22, a sponge group 23 and an oil pipe 24. The outer sides of the upper mounting frame 13 and the lower mounting frame 14 are fixedly connected to the outer shell 21, the inner shell 22 is fixedly connected to the outer shell 21, the inner shell 22 is fixedly connected to the sponge group 23, and the outer shell 21 is fixedly connected with an oil pipe 24. The oil pipe 24 inputs external lubricating oil into the sponge group 23. The sponge group 23 is located on the rotation path of the corresponding slitting knife.

[0051] Specifically, the sponge group 23 includes a sponge body 231, an open groove 232, a friction edge 233 and an oil receiving groove 234. The oil pipe 24 is connected to the sponge group 23. An open groove 232 is opened in the sponge body 231. The side of the open groove 232 is fixedly connected with a friction edge 233. The blade of the slitting knife passes through the open groove 232 and conflicts with the friction edge 233.

[0052] Under external pressure, the lubricating oil flows into the sponge group 23 along the oil pipe 24. When the blade of the slitting knife collides with the friction edge 233, the friction edge 233 and the sponge body 231 are pressed to squeeze part of the lubricating oil onto the blade of the slitting knife. At the same time, the excess lubricating oil will carry the powder foamed by the oil and be scraped off. In this way, the purpose of removing the powder on the slitting knife can be achieved, and the purpose of lubricating the slitting knife can be achieved.

[0053] Furthermore, the friction edge 233 is shaped like an inclined arc, and the bottom of the sponge body 231 is fixedly connected to an oil receiving groove 234. The lower end of the friction edge 233 is arranged close to the oil receiving groove 234. The oil and powder mixture scraped off by the friction edge 233 will fall into the oil receiving groove 234 along the extension direction of the friction edge 233 under the action of gravity, so as to facilitate unified recycling by the user.

[0054] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. An electronic slitting knife positioning device for lithium battery pole piece processing, characterized in that include: A knife body (1) comprises a knife shaft (11), a blade (12), an upper mounting frame (13), a lower mounting frame (14) and a carrier (15); the upper mounting frame (13) and the lower mounting frame (14) are both connected to a frame of a slitting device and the spacing between the upper mounting frame (13) and the lower mounting frame (14) is adjustable; the knife shaft (11) is rotatably connected to the upper mounting frame (13) and the lower mounting frame (14); the knife shaft (11) is detachably connected to a plurality of carriers (15) along an axial direction; each carrier (15) is detachably connected to a slitting knife, and the slitting knife comprises a plurality of blades (12) that can be assembled; as well as An adjusting body (3) is used for adjusting the distance between an upper mounting frame (13) and a lower mounting frame (14).

2. The electronic slitting knife positioning device for lithium battery pole piece processing according to claim 1 is characterized in that: A boss is fixedly connected to the blade shaft (11), and both the carrier (15) and the blade (12) are provided with clearance grooves at corresponding positions. The boss and the carrier (15) are connected by bolt fasteners.

3. The electronic slitting knife positioning device for lithium battery pole piece processing according to claim 1 is characterized in that: Two adjacent blades (12) are connected via a concave-convex component.

4. The electronic slitting knife positioning device for lithium battery pole piece processing according to claim 3 is characterized in that: The concave-convex component comprises a prismatic convex head and a prismatic concave groove, and the two ends of the blade (12) are respectively provided with the convex head and the concave groove.

5. The electronic slitting knife positioning device for lithium battery pole piece processing according to claim 3 is characterized in that: The concave-convex component comprises an arc-shaped convex head and an arc-shaped concave groove, and the two ends of the blade (12) are respectively provided with a convex head and a concave groove.

6. The electronic slitting knife positioning device for lithium battery pole piece processing according to claim 1, characterized in that: The regulating body (3) comprises a motor (31) and a bolt (32); the motor (31) is mounted on a lower mounting frame (14); the output shaft of the motor (31) is fixedly connected to the bolt (32); the bolt (32) is threadedly connected to the blade (12); the upper mounting frame (13) is slidably connected to the frame; and the lower mounting frame (14) is fixedly connected to the frame.

7. An electronic slitting knife positioning device for lithium battery pole piece processing according to claim 1 or 6, characterized in that: The regulating body (3) comprises a resistance group (33), the resistance group (33) comprises a connecting rod (331) and a resistance head (332), the upper mounting frame (13) and the lower mounting frame (14) are both fixedly connected with the connecting rod (331), and the ends of the two connecting rods (331) are both fixedly connected with a pair of fittable resistance heads (332).

8. The electronic slitting knife positioning device for lithium battery pole piece processing according to claim 7, characterized in that: A stress sensor is embedded in the contact head (332), and the stress sensor is electrically connected to an external controller.

9. The electronic slitting knife positioning device for lithium battery pole piece processing according to claim 1, characterized in that: Lubricating bodies (2) are arranged on the outer sides of the upper mounting frame (13) and the lower mounting frame (14). The lubricating bodies (2) comprise an outer shell (21), an inner shell (22) and a sponge group (23). The outer shell (21) is fixedly connected to the corresponding upper mounting frame (13) or the lower mounting frame (14). The inner shell (22) is fixedly connected to the outer shell (21). A plurality of sponge groups (23) are fixedly connected to the inner shell (22). The sponge groups (23) are located on the rotation path of the corresponding blade (12). An oil pipe (24) is fixedly connected to the lubricating body (2). The oil pipe (24) is used to introduce external oil into the sponge group (23).

10. The electronic slitting knife positioning device for lithium battery pole piece processing according to claim 9, characterized in that: The sponge group (23) comprises a sponge body (231), an open groove (232), a friction edge (233) and an oil receiving groove (234); the oil pipe (24) and the sponge body (231) are connected; the sponge body (231) is provided with an open groove (232) for the blade (12) to pass through; the side wall of the open groove (232) is fixedly connected with a friction edge (233) for contacting the blade (12); the friction edge (233) is in the shape of an arc with one end higher than the other end; the sponge body (231) is fixedly connected with an oil receiving groove (234); the oil receiving groove (234) is arranged close to the lower end of the friction edge (233).

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