Cutting die for battery tabs

Abstract

The utility model discloses a battery tab cutting die, which relates to the technical field of battery die design, and comprises a bottom plate, the inside of the bottom plate is movably connected with a precise sliding table, and the battery tab cutting die is provided with a first cam bearing, a second cam bearing and a first slope plate. An air cylinder extends forwards to drive a connecting plate to extend forwards, the connecting plate drives a first cam bearing and a second cam bearing to extend forwards while extending forwards, in the process that the first cam bearing advances along a first slope plate, the first slope plate and a cutting upper die are pressed downwards along a first sliding rail, and meanwhile, in the process that the second cam bearing advances along a second slope plate, the cutting upper die is pressed downwards along a second sliding rail. The cutting upper die and the cutting lower die are driven to move upwards along the first sliding rail, the cutting lower die and the second slope plate are pushed upwards along the first sliding rail, then the pole lug is cut through the cutter, only one air cylinder is used, synchronous action of the cutting upper die and the cutting lower die is achieved, and the problem that the device is large in size is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery mould design technical field, concretely is a kind of cutting die of battery tab. BACKGROUND

[0002] Battery mould design technology is mainly used for tab forming, tab cutting and other links, and its mould design is the process of determining the structure, size and material technical parameters of mould according to product requirements through calculation and analysis, wherein tab cutting is an important step in the process of battery cell manufacturing, directly affects the performance and safety of battery, and most of the current tab cutting equipment is large equipment, needs guide pillar guide sleeve etc., and the volume is large, makes spatial layout difficult, and inconvenient to move.

[0003] Now, a new type of cutting die of battery tab is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of cutting die of battery tab to solve the problem of large equipment volume proposed in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of cutting die of battery tab, including bottom plate, the inside of the bottom plate is movably connected with precision sliding table, the top of the precision sliding table is fixedly connected with mobile platform, the top of the mobile platform is fixedly connected with machine case, the rear end of the machine case is fixedly connected with small-size component.

[0006] The small-size component includes cylinder, the cylinder is fixedly connected to the rear end of machine case, the inside of the machine case is provided with connecting plate, the top of the connecting plate is fixedly connected with first cam bearing, the bottom of the connecting plate is fixedly connected with second cam bearing, the front end of the machine case is fixedly connected with first sliding rail, the top of the front end of first sliding rail is movably connected with cutting upper die, the bottom of the front end of first sliding rail is movably connected with cutting lower die, the top of the cutting upper die is fixedly connected with first slope plate, the bottom of the cutting lower die is fixedly connected with second slope plate, the front end of the bottom of cutting upper die is fixedly connected with cutter.

[0007] As a further technical scheme of the utility model, the first cam bearing and the second cam bearing are fixedly connected with the connecting plate through the front end of the machine case, and the front end of the cylinder is fixedly connected with the rear end of the connecting plate.

[0008] As a further technical scheme of the utility model, the shape and size of the top of the first slope plate are consistent with the shape and size of the bottom of the second slope plate, the size of the top of the first slope plate is consistent with the size of the outside of the first cam bearing, and the size of the bottom of the second slope plate is consistent with the size of the outside of the second cam bearing.

[0009] As a further technical scheme of the utility model, the cutting upper die and the cutting lower die are opposite in movement direction, the first cam bearing is closely attached to the first slope plate, and the second slope plate is closely attached to the second cam bearing.

[0010] As a further technical scheme of the utility model, the bottom end of the precision sliding table is movably connected with a lead screw, the left and right sides of the bottom plate are fixedly connected with second sliding rails, and the rear end inside the bottom plate is fixedly connected with a servo motor.

[0011] As a further technical scheme of the utility model, the moving platform can move forward and backward along the periphery of the second sliding rails, the precision sliding table is fixedly connected with the moving platform, and the lead screw is electrically connected with the servo motor.

[0012] As a further technical scheme of the utility model, the cutting lower die is internally provided with a landslide groove, the rear end of the bottom of the cutting upper die is fixedly connected with two groups of springs, and the left side of the front end of the moving platform is fixedly connected with a storage table.

[0013] As a further technical scheme of the utility model, the vertical plane where the right side of the storage table is located is consistent with the vertical plane where the left side of the landslide groove is located, the spring has elasticity, the top end of the spring is fixedly connected with the cutting upper die, and the bottom end of the spring is fixedly connected with the cutting lower die.

[0014] Compared with the prior art, the battery tab cutting die has the advantages that: the battery tab cutting die not only realizes the module reduction function, but also realizes the length precise cutting function and the waste material reduction function.

[0015] (1) by setting first cam bearing, second cam bearing and first slope plate, when using, starting the air cylinder, driving the connecting plate forward through the forward stretching of the air cylinder, the connecting plate forward drives the first cam bearing and the second cam bearing forward, because the first cam bearing and the first slope plate are closely attached, the first cam bearing advances along the first slope plate, the first slope plate and the cutting upper die are pressed down along the first sliding rail, at the same time, the second cam bearing advances along the second slope plate, the cutting lower die and the second slope plate are pushed up along the first sliding rail, that is, the first cam bearing drives the cutting upper die to move downward, at the same time, the second cam bearing drives the cutting lower die to move upward, then the tab is cut by the cutter, only one air cylinder is used, the synchronous action of the cutting upper die and the cutting lower die is achieved, and the module reduction function is realized.

[0016] (2) through the setting has mobile platform and servo motor, use, the tab as the export end of the current inside the battery, its length directly affects the conductivity of the battery, in the battery production process, the cutting length of the tab needs to keep consistent to ensure that the performance and safety of each battery reaches the standard, at this time, the servo motor can be started, the screw rod is rotated through the servo motor, the rotation of the screw rod converts the movement of the servo motor into linear motion, then drives the precision sliding table and the mobile platform to move, the position of the case can be accurately adjusted through the servo motor, the distance of the equipment can be adjusted on site according to the actual length required, and the equipment is stable, so that the cutting length keeps consistent, the length accurate cutting function is realized;

[0017] (3) through the setting has landslide groove and spring, use, the stability of the cutter in the cutting process is guaranteed through the spring, at the same time, the spring can also help to offset the displacement of the cutting upper die and the cutting lower die when a larger impact pressure occurs, avoid the large deviation of the position of the cutter, improve the precision and quality of cutting, at the same time, the spring can also convert vibration energy into heat energy, so as to reduce the duration and amplitude of vibration, make the cutting process more stable, the waste after cutting falls into the landslide groove, slides down to the storage table, collects, avoids the accumulation of waste, affects the subsequent cutting, realizes the shock absorption and waste function. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the front view three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is the left side view sectional structure schematic diagram of the utility model;

[0020] Figure 3 It is the right side view structure schematic diagram of the utility model;

[0021] Figure 4 It is the top view structure schematic diagram of the utility model.

[0022] In the drawing: 1, bottom plate; 2, precision sliding table; 3, mobile platform; 4, case; 5, cylinder; 6, connecting plate; 7, first cam bearing; 8, second cam bearing; 9, first slide rail; 10, cutting upper die; 11, cutting lower die; 12, first slope plate; 13, second slope plate; 14, cutter; 15, screw rod; 16, second slide rail; 17, servo motor; 18, landslide groove; 19, spring; 20, storage table. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0024] Please refer to Figures 1-4 The utility model provides an embodiment: a cutting die of battery tab, including bottom plate 1, the inside activity of bottom plate 1 is connected with precision sliding table 2, the top of precision sliding table 2 is fixedly connected with mobile platform 3, the top of mobile platform 3 is fixedly connected with machine case 4, the rear end of machine case 4 is fixedly connected with miniaturized assembly;

[0025] Please refer to Figures 1-4 The cutting die of battery tab further includes miniaturized assembly, and the miniaturized assembly includes a cylinder 5, the rear end of the machine case 4 is fixedly connected with the cylinder 5, the inside of the machine case 4 is provided with a connecting plate 6, the top of the connecting plate 6 is fixedly connected with a first cam bearing 7, the bottom of the connecting plate 6 is fixedly connected with a second cam bearing 8, the front end of the machine case 4 is fixedly connected with a first sliding rail 9, the top of the front end of the first sliding rail 9 is movably connected with a cutting upper die 10, the bottom of the front end of the first sliding rail 9 is movably connected with a cutting lower die 11, the top of the cutting upper die 10 is fixedly connected with a first slope plate 12, the bottom of the cutting lower die 11 is fixedly connected with a second slope plate 13, the front end of the bottom of the cutting upper die 10 is fixedly connected with a cutter 14, the front end of the cylinder 5 is fixedly connected with the rear end of the connecting plate 6, the shape size of the top of the first slope plate 12 is consistent with the shape size of the bottom of the second slope plate 13, the size of the top of the first slope plate 12 is consistent with the size of the outside of the first cam bearing 7, the size of the bottom of the second slope plate 13 is consistent with the size of the outside of the second cam bearing 8, the movement direction of the cutting upper die 10 and the cutting lower die 11 is opposite, the first cam bearing 7 is closely attached to the first slope plate 12, the second slope plate 13 is closely attached to the second cam bearing 8, the volume of equipment is reduced by the reduction of parts and the synchronization of height.

[0026] Specifically, as Figure 1 And Figure 2As shown, in use, the air cylinder 5 is started, the front extension of the air cylinder 5 drives the connecting plate 6 to extend forward, the connecting plate 6 extends forward and drives the first cam bearing 7 and the second cam bearing 8 to extend forward, because the first cam bearing 7 is closely attached to the first slope plate 12, in the process of the first cam bearing 7 advancing along the first slope plate 12, the first slope plate 12 and the cutting upper die 10 are pressed down along the first slide rail 9, at the same time, in the process of the second cam bearing 8 advancing along the second slope plate 13, the cutting lower die 11 and the second slope plate 13 are pushed up along the first slide rail 9, that is, the first cam bearing 7 pushes the cutting upper die 10 to move downward at the same time that the second cam bearing 8 pushes the cutting lower die 11 to move upward, then the lug is cut by the cutter 14, only one air cylinder 5 is used, the synchronous action of the cutting upper die 10 and the cutting lower die 11 is achieved, the working parts are reduced, and the size of the equipment is reduced.

[0027] The bottom end of the precision slide 2 is movably connected with a lead screw 15, the left and right sides of the bottom plate 1 are fixedly connected with a second slide rail 16, the rear end inside the bottom plate 1 is fixedly connected with a servo motor 17, the moving platform 3 can move back and forth along the periphery of the second slide rail 16, the precision slide 2 is fixedly connected with the moving platform 3, the lead screw 15 is electrically connected with the servo motor 17, and the position can be accurately moved, so that the cutting length is kept the same;

[0028] Specifically, as shown in Figure 1 , Figure 2 and Figure 3 , in use, the lug is used as the discharge end of the current inside the battery, and the length directly affects the conductivity of the battery. In the battery production process, the cutting length of the lug needs to be kept consistent to ensure that the performance and safety of each battery meet the standards. At this time, the servo motor 17 can be started, the lead screw 15 is rotated by the servo motor 17, the rotation of the lead screw 15 converts the movement of the servo motor 17 into linear movement, then drives the precision slide 2 and the moving platform 3 to move, the position of the case 4 can be accurately adjusted by the servo motor 17, the distance between the equipment can be adjusted on site according to the actual length, the equipment is stable, the cutting length is kept consistent, the cutting length is kept unchanged, and it is easy to adjust.

[0029] The inside of the cutting lower die 11 is provided with a sliding groove 18, the rear end of the bottom of the cutting upper die 10 is fixedly connected with two groups of springs 19, the left side of the front end of the moving platform 3 is fixedly connected with a storage table 20, the vertical surface where the right side of the storage table 20 is located is consistent with the vertical surface where the left side of the sliding groove 18 is located, the springs 19 have elasticity, the top end of the springs 19 is fixedly connected with the cutting upper die 10, and the bottom end of the springs 19 is fixedly connected with the cutting lower die 11, so that the waste material is conveniently received while being damped;

[0030] Specifically, as shown in Figure 3 and Figure 4As shown, in use, the stability of the cutter 14 in the cutting process is ensured by the spring 19, at the same time, the spring 19 can also help to offset the displacement of the cutting upper die 10 and the cutting lower die 11 when a larger impact pressure occurs, avoid the large deviation of the position of the cutter 14, improve the precision and quality of cutting, at the same time, the spring 19 can also convert vibration energy into heat energy, thereby reducing the duration and amplitude of vibration, making the cutting process more stable, the waste after cutting falls into the landslide groove 18, and slides downward to the storage table 20 for collection, avoiding the accumulation of waste affecting subsequent cutting, and keeping the equipment stable and clean.

[0031] The utility model discloses a cutting device for battery tab, which comprises a machine box 4, a servo motor 17, a lead screw 15, a precision slide table 2, a moving platform 3, a first cam bearing 7, a second cam bearing 8, a first slope plate 12, a second slope plate 13, a first slide rail 9, a cutting upper die 10, a cutting lower die 11, a connecting plate 6 and a cutter 14.

[0032] It is apparent for a person skilled in the art that the present application is not restricted to the details of the above exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the present application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. A cutting die for battery tabs, comprising a base plate (1), characterized in that: The inside of the bottom plate (1) is movably connected with a precision slide table (2), the top end of the precision slide table (2) is fixedly connected with a moving platform (3), the top end of the moving platform (3) is fixedly connected with a machine box (4), and the rear end of the machine box (4) is fixedly connected with a miniaturized assembly. The miniaturized assembly comprises a gas cylinder (5) fixedly connected to the rear end of the machine box (4), the inside of the machine box (4) is provided with a connecting plate (6), the top end of the connecting plate (6) is fixedly connected with a first cam bearing (7), the bottom end of the connecting plate (6) is fixedly connected with a second cam bearing (8), the front end of the machine box (4) is fixedly connected with a first slide rail (9), the top end of the front end of the first slide rail (9) is movably connected with a cutting upper die (10), the bottom end of the front end of the first slide rail (9) is movably connected with a cutting lower die (11), the top end of the cutting upper die (10) is fixedly connected with a first slope plate (12), the bottom end of the cutting lower die (11) is fixedly connected with a second slope plate (13), and the front end of the bottom of the cutting upper die (10) is fixedly connected with a cutter (14).

2. The cutting die of claim 1, wherein: The first cam bearing (7) and the second cam bearing (8) are fixedly connected with the connecting plate (6) through the front end of the machine box (4), and the front end of the gas cylinder (5) is fixedly connected with the rear end of the connecting plate (6).

3. The cutting die of claim 1, wherein: The shape and size of the top end of the first slope plate (12) are consistent with those of the bottom end of the second slope plate (13), the size of the top end of the first slope plate (12) is consistent with that of the outside of the first cam bearing (7), and the size of the bottom of the second slope plate (13) is consistent with that of the outside of the second cam bearing (8).

4. The cutting die of claim 1, wherein: The moving directions of the cutting upper die (10) and the cutting lower die (11) are opposite, the first cam bearing (7) is closely attached to the first slope plate (12), and the second slope plate (13) is closely attached to the second cam bearing (8).

5. The cutting die of claim 1, wherein: The bottom end of the precision slide table (2) is movably connected with a lead screw (15), the left and right sides of the bottom plate (1) are fixedly connected with a second slide rail (16), and the rear end inside the bottom plate (1) is fixedly connected with a servo motor (17).

6. The cutting die of claim 5, wherein: The moving platform (3) can move back and forth along the periphery of the second slide rail (16), the precision slide table (2) is fixedly connected with the moving platform (3), and the lead screw (15) is electrically connected with the servo motor (17).

7. The cutting die of claim 1, wherein: The inside of the cutting lower die (11) is provided with a landslide groove (18), the rear end of the bottom of the cutting upper die (10) is fixedly connected with two groups of springs (19), and the left side of the front end of the moving platform (3) is fixedly connected with a storage table (20).

8. The cutting die of claim 7, wherein: The vertical plane where the right side of the storage table (20) is located is consistent with the vertical plane where the left side of the landslide groove (18) is located, the springs (19) have elasticity, the top end of the spring (19) is fixedly connected with the cutting upper die (10), and the bottom end of the spring (19) is fixedly connected with the cutting lower die (11).

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