Electrified cutting device for battery tabs

Abstract

The utility model discloses an electrified cutting device for a battery tab, which comprises a cutting structure, an insulating cutter unit and an elastic pressing unit, the feeding structure comprises a jig, and the jig comprises a jig body and an adjusting block; the containing cavity is provided with a first opening and a second opening, the adjusting block abuts against the battery on the jig body in the first direction through the first opening, and the elastic pressing unit abuts against the battery on the jig body in the second direction through the second opening. And the insulating cutter unit is used for cutting tabs of the batteries. According to the utility model, the insulating cutter unit is used for cutting the tabs of the battery, so that the bad hidden danger caused by the conduction of the battery in the cutting process is reduced, and the safety coefficient is improved; and the adjusting block abuts against the battery on the jig body from the first direction, the elastic pressing unit abuts against the battery on the jig body from the second direction, the battery stability in the cutting process is improved, and therefore the cutting precision of the electrode lug of the battery is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery technology field especially relates to a battery pole lug electricity cutting device. BACKGROUND

[0002] The battery needs to cut the pole lug in the production process, and the commonly used pole lug cutting device is cut by a metal cutting head, but since the battery has been liquid injected and has conductivity at this time, cutting with a metal head may cause accidents such as battery combustion and explosion, which has certain safety hazards, and the commonly used pole lug cutting device generally positions the battery by setting a limiting device, the limiting device is only arranged at one side of the battery, and the positioning of the battery is realized by the cooperation of the limiting device and the pole lug cutting device, the stability of this positioning mode is poor, and the battery is easy to shift during cutting of the pole lug of the battery, thereby affecting the cutting accuracy of the pole lug of the battery. SUMMARY

[0003] In order to overcome at least one of the defects of the prior art, the utility model provides a battery pole lug electricity cutting device, which cuts the pole lug of the battery by using an insulating cutter unit, reduces the adverse hidden troubles caused by the conductivity of the battery during cutting, and improves the safety factor, and the adjusting block presses the battery against the jig body from the first direction, and the elastic compression unit presses the battery against the jig body from the second direction, improves the stability of the battery during cutting, and improves the cutting accuracy of the pole lug of the battery.

[0004] The utility model adopts the technical scheme that:

[0005] A battery pole lug electricity cutting device, comprising:

[0006] The cutting structure comprises an insulating cutter unit and an elastic compression unit.

[0007] The feeding structure comprises a jig, and the jig comprises a jig body and an adjusting block.

[0008] The accommodating cavity has a first opening and a second opening, the first opening is arranged towards the adjusting block, the adjusting block presses the battery against the jig body from the first direction through the first opening, and the second opening is arranged towards the elastic compression unit, and the elastic compression unit presses the battery against the jig body from the second direction through the second opening.

[0009] The insulating cutter unit cuts the pole lug of the battery.

[0010] In a preferred embodiment, the first direction and the second direction are arranged at an angle.

[0011] In a preferred implementation, the insulating cutter unit comprises at least one cutter, the cutter being configured to cut the tab of the battery.

[0012] In a preferred implementation, the insulating cutter unit further comprises a cutter seat body and a cutter driving unit, the cutter seat body being in sliding connection with the cutter, the cutter seat body being configured to support the tab of the battery, the cutter driving unit being configured to drive the cutter to move;

[0013] The portion of the cutter seat body facing the tab of the battery is provided with an insulating oxide layer.

[0014] In a preferred implementation, the elastic pressing unit comprises a pressing driving unit and at least one elastic element, the power output end of the pressing driving unit being connected with the elastic element, the pressing driving unit being configured to drive the elastic element to move.

[0015] In a preferred implementation, the elastic pressing unit comprises two elastic elements, the two elastic elements being connected with each other.

[0016] In a preferred implementation, the jig further comprises a limiting driving unit, the power output end of the limiting driving unit being connected with the adjusting block, the limiting driving unit being configured to drive the adjusting block to move;

[0017] The accommodating cavity further has a third opening, the third opening being configured to extend the tab.

[0018] In a preferred implementation, the feeding structure further comprises a first conveying structure, a second conveying structure and a taking-and-placing element.

[0019] The power output end of the first conveying structure is connected with the taking-and-placing element, the first conveying structure being configured to drive the taking-and-placing element to move along the transverse direction or the longitudinal direction, the taking-and-placing element being configured to take and place the battery.

[0020] The power output end of the second conveying structure is connected with the jig, the second conveying structure being configured to drive the jig to move along the transverse direction or the longitudinal direction.

[0021] In a preferred implementation, the first conveying structure comprises a first conveying driving unit, a second conveying driving unit and a first conveying seat body, the power output end of the first conveying driving unit being connected with the taking-and-placing element, the first conveying driving unit being configured to drive the taking-and-placing element to move along the longitudinal direction, the first conveying driving unit and the taking-and-placing element being arranged on the first conveying seat body, the power output end of the second conveying driving unit being connected with the first conveying seat body, the second conveying driving unit being configured to drive the first conveying seat body, the first conveying driving unit and the taking-and-placing element to move along the transverse direction together.

[0022] The second conveying structure comprises a third conveying driving unit, a fourth conveying driving unit and a second conveying seat body, the power output end of the third conveying driving unit is connected with the jig, the third conveying driving unit drives the jig to move along the longitudinal direction, the third conveying driving unit and the jig are arranged on the second conveying seat body, the power output end of the fourth conveying driving unit is connected with the second conveying seat body, and the fourth conveying driving unit is used for driving the second conveying seat body, the third conveying driving unit and the jig to move along the transverse direction.

[0023] In a preferred embodiment, the battery tab belt cutting device further comprises a waste bin, and the lower part of the feeding structure is provided with the waste bin.

[0024] In conclusion, the utility model has the following technical effects: the utility model utilizes the insulation cutter unit to cut the battery tab, reduces the hidden danger caused by the battery conduction in the cutting process, improves the safety factor, adjusts the block to press the battery on the jig body from the first direction, the elastic compression unit presses the battery on the jig body from the second direction, improves the battery stability in the cutting process, and improves the cutting precision of the battery tab. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is an overall structural schematic view of the embodiment of the utility model;

[0026] Figure 2 It is a structural schematic view of the first conveying structure and the taking and placing element of the embodiment of the utility model;

[0027] Figure 3 It is a structural schematic view of the taking and placing element of the embodiment of the utility model;

[0028] Figure 4 It is a structural schematic view of the second conveying structure and the jig of the embodiment of the utility model;

[0029] Figure 5 It is a structural schematic view of the jig without loading the battery of the embodiment of the utility model;

[0030] Figure 6 It is a structural schematic view of the jig loading the battery of the embodiment of the utility model;

[0031] Figure 7 It is a structural schematic view of the cutting structure of the embodiment of the utility model;

[0032] Figure 8 It is a partial structural schematic view of the cutting structure of the embodiment of the utility model;

[0033] Figure 9 It is a structural schematic view of the battery of the embodiment of the utility model.

[0034] In the drawings, the reference signs have the following meanings:

[0035] 10, cutting structure, 101, cutter, 102, cutter seat body, 103, pressing driving unit, 104, elastic element, 20, feeding structure, 201, jig body, 202, adjusting block, 203, accommodating cavity, 204, first opening, 205, second opening, 206, limiting driving unit, 207, third opening, 208, taking and placing element, 209, first conveying driving unit, 210, second conveying driving unit, 211, first conveying seat body, 212, third conveying driving unit, 213, fourth conveying driving unit, 214, second conveying seat body, 30, battery, 40, tab, 50, waste bin, a, first direction, b, second direction. DETAILED DESCRIPTION

[0036] In order to better understand and implement, the technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model.

[0037] In the description of the utility model, it needs to be explained that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing the specific embodiments and are not intended to limit the utility model.

[0039] Reference is made to Figures 1-9The utility model discloses a battery pole ear electricity cutting device, include: cutting structure 10, cutting structure 10 includes insulating cutter unit and elastic pressure unit, feeding structure 20, feeding structure 20 includes jig, and the jig includes jig body 201 and adjusting block 202, and the jig body 201 has the containing cavity 203 for loading battery 30, and the battery 30 has the pole ear 40, the containing cavity 203 has the first opening 204 and the second opening 205, and the first opening 204 sets up towards adjusting block 202, and adjusting block 202 is pressed on the jig body 201 from the first direction with battery 30 through the first opening 204, and the second opening 205 sets up towards elastic pressure unit, and elastic pressure unit is pressed on the jig body 201 with battery 30 from the second direction through the second opening 205, and insulating cutter unit cuts the pole ear 40 of battery 30.

[0040] The utility model discloses a battery pole ear electricity cutting device, include: cutting structure 10, cutting structure 10 includes insulating cutter unit and elastic pressure unit, feeding structure 20, feeding structure 20 includes jig, and the jig includes jig body 201 and adjusting block 202, and the jig body 201 has the containing cavity 203 for loading battery 30, and the battery 30 has the pole ear 40, the containing cavity 203 has the first opening 204 and the second opening 205, and the first opening 204 sets up towards adjusting block 202, and adjusting block 202 is pressed on the jig body 201 from the first direction with battery 30 through the first opening 204, and the second opening 205 sets up towards elastic pressure unit, and elastic pressure unit is pressed on the jig body 201 with battery 30 from the second direction through the second opening 205, and insulating cutter unit cuts the pole ear 40 of battery 30.

[0041] Thus, the side of battery 30 towards adjusting block 202, the side of battery 30 towards jig body 201 and corresponding with adjusting block 202, the side of battery 30 towards elastic pressure unit and the side of battery 30 towards jig body 201 and corresponding with elastic pressure unit all have positioning, that is, the four sides of battery 30 all have positioning, thereby improving the positioning stability of battery 30.

[0042] It should be noted that the utility model can be applicable to square battery or circular battery, preferably, the utility model is especially applicable to square ultrathin battery, and the thickness of square ultrathin battery is 0.2mm-0.4mm.

[0043] For square battery, the large face of square battery is towards elastic pressure unit, and elastic pressure unit is pressed on the jig body 201 with the large face of square battery from the second direction through the second opening 205, to avoid the displacement or deformation of square battery in the cutting process.

[0044] In the utility model embodiment, the first direction and the second direction are arranged at an included angle.

[0045] Preferably, the first direction and the second direction are perpendicular to each other, and the included angle between the first direction and the second direction is 90°.

[0046] In the embodiment of the utility model, the insulating cutter unit comprises at least one cutter 101, and the cutter 101 is used for cutting the tab 40 of the battery 30.

[0047] Preferably, the cutter 101 is a ceramic cutter.

[0048] In the embodiment of the utility model, the insulating cutter unit further comprises a cutter seat body 102 and a cutter driving unit, the cutter seat body 102 is in sliding connection with the cutter 101, the cutter seat body 102 is used for supporting the tab 40 of the battery 30, and the cutter driving unit is used for driving the cutter 101 to move; a part of the cutter seat body 102 towards the tab 40 of the battery 30 is provided with an insulating oxide layer.

[0049] Specifically, the insulating oxide layer is an insulating oxide layer of gallium, so as to avoid the cutter seat body 102 from contacting the tab 40 and causing the battery 30 to burn and explode.

[0050] Specifically, the cutter driving unit is a pneumatic cylinder or an oil cylinder.

[0051] Specifically, the insulating cutter unit comprises two cutters 101, the two cutters 101 are oppositely arranged, the two cutters 101 are arranged on the two sides of the tab 40 respectively, and the two cutters 101 move towards each other to cut the tab 40.

[0052] More specifically, the cutter driving unit and the pressing driving unit 103 are two different driving sources, or the cutter driving unit and the pressing driving unit 103 can be the same driving source; when the cutter driving unit and the pressing driving unit 103 are the same driving source, an existing cutting die can be directly used to realize that one driving source drives the cutter 101 and the elastic element 104 to move, and details are not described herein.

[0053] In the embodiment of the utility model, the elastic pressing unit comprises a pressing driving unit 103 and at least one elastic element 104, a power output end of the pressing driving unit 103 is connected with the elastic element 104, and the pressing driving unit 103 drives the elastic element 104 to move.

[0054] In the embodiment of the utility model, the elastic pressing unit comprises two elastic elements 104, and the two elastic elements 104 are connected with each other.

[0055] Specifically, the two elastic elements 104 are a spring and a superpower glue column respectively, or the two elastic elements 104 are a spring and a rubber column respectively; and the pressing driving unit 103 is a pneumatic cylinder or an oil cylinder.

[0056] Preferably, the superpower glue column or the rubber column abuts against the battery 30, so as to realize that the elastic pressing unit elastically presses the battery 30, provide buffering, and avoid impacting the battery 30.

[0057] In the embodiment of the utility model, the jig further comprises a limiting driving unit 206; a power output end of the limiting driving unit 206 is connected with the adjusting block 202, and the limiting driving unit 206 drives the adjusting block 202 to move; the accommodating cavity 203 further has a third opening 207, and the third opening 207 is used for extending the tab 40.

[0058] Specifically, the first opening 204 is arranged towards the Y-axis direction, the second opening 205 is arranged towards the Z-axis direction, and the third opening 207 is arranged towards the X-axis direction.

[0059] Specifically, the limiting driving unit 206 is a pneumatic cylinder or an oil cylinder.

[0060] In the embodiment of the utility model, the feeding structure 20 further comprises a first conveying structure, a second conveying structure and a taking and placing element 208; a power output end of the first conveying structure is connected with the taking and placing element 208, the first conveying structure drives the taking and placing element 208 to move along the transverse direction or the longitudinal direction, and the taking and placing element 208 is used for taking and placing the battery 30; a power output end of the second conveying structure is connected with the jig, and the second conveying structure drives the jig to move along the transverse direction or the longitudinal direction.

[0061] In the embodiment of the utility model, the first conveying structure comprises a first conveying driving unit 209, a second conveying driving unit 210 and a first conveying seat body 211, a power output end of the first conveying driving unit 209 is connected with the taking and placing element 208, the first conveying driving unit 209 drives the taking and placing element 208 to move along the longitudinal direction, the first conveying driving unit 209 and the taking and placing element 208 are both arranged on the first conveying seat body 211, a power output end of the second conveying driving unit 210 is connected with the first conveying seat body 211, and the second conveying driving unit 210 is used for driving the first conveying seat body 211, the first conveying driving unit 209 and the taking and placing element 208 to move along the transverse direction together; the second conveying structure comprises a third conveying driving unit 212, a fourth conveying driving unit 213 and a second conveying seat body 214, a power output end of the third conveying driving unit 212 is connected with the jig, the third conveying driving unit 212 drives the jig to move along the longitudinal direction, the third conveying driving unit 212 and the jig are both arranged on the second conveying seat body 214, a power output end of the fourth conveying driving unit 213 is connected with the second conveying seat body 214, and the fourth conveying driving unit 213 is used for driving the second conveying seat body 214, the third conveying driving unit 212 and the jig to move along the transverse direction together.

[0062] Specifically, the first conveying driving unit 209 is a pneumatic cylinder, an oil cylinder, a conveying belt structure or a screw sliding table structure; the second conveying driving unit 210 is a pneumatic cylinder, an oil cylinder, a conveying belt structure or a screw sliding table structure; the third conveying driving unit 212 is a pneumatic cylinder, an oil cylinder, a conveying belt structure or a screw sliding table structure; and the fourth conveying driving unit 213 is a pneumatic cylinder, an oil cylinder, a conveying belt structure or a screw sliding table structure.

[0063] Preferably, the first conveying driving unit 209 and the third conveying driving unit 212 are pneumatic cylinders, and the second conveying driving unit 210 and the fourth conveying driving unit 213 are conveying belt structures.

[0064] It should be noted that the conveying belt structure comprises a conveying wheel, a motor and a conveying belt, and the first conveying seat body 211 and the second conveying seat body 214 can be connected and fixed on the conveying belt to realize conveying movement; the screw sliding table structure comprises a screw, a guide rail, a sliding table and a motor, the sliding table is slidably connected with the guide rail, the sliding table is threadedly connected with the screw, the motor drives the screw to rotate, and the first conveying seat body 211 and the second conveying seat body 214 can be connected and fixed on the sliding table to realize conveying movement.

[0065] Specifically, the pick-and-place element 208 is a vacuum suction cup or a mechanical gripper.

[0066] Specifically, when the pick-and-place element 208 is a vacuum suction cup, the vacuum suction cup is provided with at least one vacuum suction nozzle towards the side of the jig body 201, and the jig body 201 is provided with at least one accommodating cavity 203, each accommodating cavity 203 corresponding to one vacuum suction nozzle; how to realize the pick-and-place of the battery 30 by the vacuum suction cup can be realized by using the prior art, and details are not repeated here.

[0067] More specifically, the vacuum suction cup is provided with a plurality of vacuum suction nozzles towards the side of the jig body 201, and the jig body 201 is provided with a plurality of accommodating cavities 203, so that a plurality of batteries 30 can be picked and placed at a time, and the cutting structure 10 can cut a plurality of tab ears 40 of the battery 30 at a time, thereby improving the cutting effect of the tab ear 40 of the battery 30.

[0068] In the embodiment of the utility model, the battery tab ear belt electric cutting device further includes a waste bin 50, and the lower part of the feeding structure 20 is provided with the waste bin 50, which is used for collecting the tab ear 40 waste cut down.

[0069] The specific working process of the utility model is as follows:

[0070] After the taking and placing element 208 takes the battery, the first conveying structure drives the taking and placing element 208 to move along the transverse direction or the longitudinal direction, so as to drive the taking and placing element 208 and the battery 30 to the position of the jig, the taking and placing element 208 places the battery 30 into the jig, that is, the battery 30 is placed into the accommodating cavity 203, the adjusting block 202 presses the battery 30 on the jig body 201 from the first direction through the first opening 204; the second conveying structure drives the jig to move along the transverse direction or the longitudinal direction to the front of the cutting structure 10, the elastic pressing unit presses the battery 30 on the jig body 201 from the second direction through the second opening 205; the insulating cutter unit cuts the tab 40 of the battery 30.

[0071] The technical means disclosed in the utility model scheme is not limited to the technical means disclosed in the above-mentioned embodiments, and also includes the technical scheme composed of any combination of the above technical features. It should be pointed out that, for ordinary skilled persons in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements are also considered to be within the protection scope of the utility model.

Claims

1. A battery tab strip electric cutting device, characterized by, include: A cutting structure, the cutting structure including an insulating cutting blade unit and an elastic clamping unit; A feeding structure, the feeding structure including a fixture, the fixture including a fixture body and an adjusting block, the fixture body having a receiving cavity for loading a battery, the battery having tabs; The receiving cavity has a first opening and a second opening. The first opening is disposed toward the adjusting block, and the adjusting block presses the battery against the fixture body from a first direction through the first opening. The second opening is disposed toward the elastic pressing unit, and the elastic pressing unit presses the battery against the fixture body from a second direction through the second opening. The insulating cutter unit cuts the tabs of the battery.

2. The battery tab strip electric cutting device according to claim 1, wherein: The first direction and the second direction are set at an angle.

3. The battery tab strip electric cutting device according to claim 1, wherein: The insulating cutter unit includes at least one cutter for cutting the tabs of the battery.

4. The battery tab strip electric cutting device according to claim 3, characterized in that: The insulating cutter unit also includes a cutter base and a cutter drive unit. The cutter base is slidably connected to the cutter. The cutter base is used to support the battery tabs, and the cutter drive unit is used to drive the cutter to move. The portion of the cutter holder facing the battery tab is provided with an insulating oxide layer.

5. The battery tab strip electric cutting device according to claim 1, wherein: The elastic pressing unit includes a pressing drive unit and at least one elastic element. The power output end of the pressing drive unit is connected to the elastic element, and the pressing drive unit drives the elastic element to move.

6. The battery tab strip electric slitting apparatus of claim 5, wherein: The elastic clamping unit includes two elastic elements, which are connected to each other.

7. The battery tab strip electric slitting apparatus of claim 1, wherein: The fixture also includes a limit drive unit; the power output end of the limit drive unit is connected to the adjusting block, and the limit drive unit drives the adjusting block to move. The receiving cavity also has a third opening for extending the electrode tab.

8. The battery tab strip electric cutting apparatus according to any one of claims 1 to 7, wherein: The feeding structure also includes a first conveying structure, a second conveying structure, and pick-and-place elements; The power output end of the first conveying structure is connected to the pick-and-place element. The first conveying structure drives the pick-and-place element to move along the horizontal or vertical direction. The pick-and-place element is used to pick up and place the battery. The power output end of the second conveying structure is connected to the fixture, and the second conveying structure drives the fixture to move in the transverse or longitudinal direction.

9. The battery tab strip electric slitting apparatus of claim 8, wherein: The first conveying structure includes a first conveying drive unit, a second conveying drive unit, and a first conveying base. The power output end of the first conveying drive unit is connected to the pick-and-place element. The first conveying drive unit drives the pick-and-place element to move along the longitudinal direction. The first conveying drive unit and the pick-and-place element are both mounted on the first conveying base. The power output end of the second conveying drive unit is connected to the first conveying base. The second conveying drive unit is used to drive the first conveying base, the first conveying drive unit, and the pick-and-place element to move together along the transverse direction. The second conveying structure comprises a third conveying driving unit, a fourth conveying driving unit and a second conveying seat body, a power output end of the third conveying driving unit is connected with the jig, the third conveying driving unit drives the jig to move along a longitudinal direction, the third conveying driving unit and the jig are arranged on the second conveying seat body, a power output end of the fourth conveying driving unit is connected with the second conveying seat body, and the fourth conveying driving unit is used for driving the second conveying seat body, the third conveying driving unit and the jig to move along a transverse direction.

10. The battery tab strip electric cutting apparatus according to any one of claims 1 to 7, wherein: The feeding structure is further provided with a waste bin, and the waste bin is arranged at a lower portion of the feeding structure.

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