Automatic blanking equipment for tabs

Abstract

The utility model belongs to the technical field of automation equipment, and particularly relates to an automatic tab blanking device which is characterized in that a blanking assembly comprises a blanking driving part, a blanking knife and a blanking seat, and the blanking seat is provided with a blanking groove matched with the blanking knife; the blanking base and the blanking driving piece are both installed on the supporting frame. The blanking driving part is connected with the blanking knife and is used for driving the blanking knife to punch the tab film on the blanking seat; the supporting frame is slidably installed on the supporting plate. The X-direction driving piece is installed on the supporting plate and used for driving the supporting frame to move in the X direction. The supporting plate is slidably mounted on the base; the Y-direction driving part is installed on the base and used for driving the supporting plate to move in the Y direction. The automatic blanking equipment for the tabs is compact in structure, small in occupied space, high in automation degree and high in working efficiency.

Description

Technical Field

[0001] The utility model belongs to the technical field of automation equipment, in particular to an automatic tab punching device. Background Art

[0002] Lithium-ion batteries are housed in a flexible aluminum-plastic package. Because the battery's casing is non-conductive, tabs are required to connect the positive and negative electrodes inside the battery. The aluminum-plastic film typically consists of a nylon layer, an aluminum foil layer, and a cast polypropylene layer. The tabs are formed by a composite of a film and a metal strip. The film is the insulating portion of the tab, preventing short circuits between the metal strip and the aluminum-plastic film during battery packaging.

[0003] With the continuous development of automation technology, battery manufacturers use automated production lines to manufacture batteries. In battery production lines, a punching mechanism is required to punch out long films into individual pieces. Existing punching mechanisms have technical problems such as large space occupation and low work efficiency. Utility Model Content

[0004] The utility model aims to solve the technical problems of large occupied space and low working efficiency of the punching mechanism in the prior art and provides an automatic tab punching device.

[0005] In view of the above technical problems, the first embodiment of the present invention provides an automatic tab blanking device, comprising a support frame, a support plate, a base, an X-axis drive member, a Y-axis drive member, and a blanking assembly, wherein the blanking assembly comprises a blanking drive member, a blanking knife, and a blanking seat, wherein the blanking seat is provided with a blanking groove adapted to the blanking knife;

[0006] The punching seat and the punching drive are both mounted on the support frame; the punching drive is connected to the punching knife and is used to drive the punching knife to punch the tab film on the punching seat;

[0007] The support frame is slidably mounted on the support plate; the X-direction driving member is mounted on the support plate and is used to drive the support frame to move along the X-direction;

[0008] The support plate is slidably mounted on the base; the Y-direction driving member is mounted on the base and is used to drive the support plate to move along the Y-direction.

[0009] Optionally, the tab automatic blanking equipment further includes a first guide rail slider assembly and a second guide rail slider assembly, the support frame is slidably mounted on the support plate via the first guide rail slider assembly, and the support plate is slidably mounted on the base via the second guide rail slider assembly.

[0010] Optionally, the tab automatic blanking equipment further includes a third guide rail slider assembly, and the blanking knife is slidably mounted on the support frame via the third guide rail slider assembly.

[0011] Optionally, the automatic tab punching equipment also includes a support assembly, which includes a Z-axis drive member, a carrier plate, and a plurality of top blocks installed on the carrier plate at intervals along the Y direction; the Z-axis drive member is connected to the carrier plate, and is used to drive the top block to abut or separate from one end of the punching seat away from the punching knife through the carrier plate.

[0012] Optionally, each of the top blocks is provided with a first adsorption hole group for adsorbing the punching seat.

[0013] Optionally, a first punching protrusion and a second punching protrusion are respectively provided on opposite sides of the punching knife, the first punching protrusion is provided with a first corner cutting surface, and the second punching protrusion is provided with a second corner cutting surface;

[0014] The blanking seat is further provided with a first side punching groove adapted to the first blanking protrusion, and a second side punching groove adapted to the second blanking protrusion; the first side punching groove and the second side punching groove are respectively connected to opposite sides of the blanking groove;

[0015] The punching knife is inserted into the punching groove to punch the tab film into a first tab film and a second tab film; the first punching protrusion is inserted into the first side punching groove, and the first corner cutting surface is used to cut a first bevel angle or a first rounded corner on the first tab film; the second punching protrusion is inserted into the second side punching groove, and the second corner cutting surface is used to cut a second bevel angle or a second rounded corner on the second tab film.

[0016] Optionally, the punching knife is provided with a guide portion, and the punching seat is further provided with a guide hole, and the guide portion is slidably inserted into the guide hole.

[0017] Optionally, the punching groove includes a punching through hole and a dust storage groove connected to the punching through hole, and a first blowing hole and a first suction hole are provided on the opposite side walls of the dust storage groove; the punching drive is used to drive the punching knife to insert into the punching through hole to punch out the tab film on the punching seat.

[0018] Optionally, the punching knife is further provided with a second blowing hole for blowing air into the punching through hole.

[0019] Optionally, the blanking seat is further provided with a second adsorption hole group, and the second adsorption hole group is used to adsorb the tab metal strip adsorbed and attached with the tab film onto the blanking seat.

[0020] In the present invention, during the process of the external conveying mechanism conveying the tab film to the punching station, the X-axis driving member drives the punching knife and the punching seat to retreat in the X direction through the support frame to avoid the tab film; after the tab film is conveyed to the punching station, the X-axis driving member drives the punching knife and the punching seat to move forward in the X direction through the support frame, and the tab film is located above the punching seat. During the process of the punching driving member driving the punching knife to insert into the punching groove, the punching knife can cut the tab film on the punching seat. The Y-axis driving member can drive the punching knife and the punching seat to move in the Y direction through the support plate and the support frame, so that the punching knife can cut different positions of the tab film. The automatic tab punching equipment can cut a long tab film into multiple short tab films, and the automatic tab punching equipment has a compact structure, small space occupation, high degree of automation, and high work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Figure 1 This is a structural diagram of an automatic tab punching device provided by an embodiment of the present utility model;

[0023] Figure 2 This is a structural diagram of a blanking assembly and a support assembly of an automatic tab blanking device provided by an embodiment of the present utility model;

[0024] Figure 3 This is a structural diagram of a blanking knife and a blanking seat of an automatic tab blanking device provided by one embodiment of the present utility model;

[0025] Figure 4 This is a cross-sectional view of a punching knife and a punching seat provided in one embodiment of the present utility model;

[0026] Figure 5 This is a front view of a blanking knife of an automatic tab blanking device provided by one embodiment of the present utility model;

[0027] Figure 6 It is a structural schematic diagram of a blanking seat of an automatic tab blanking device provided by one embodiment of the present utility model.

[0028] The reference numerals in the specification are as follows:

[0029] 1. Support frame; 11. Second guide rail slider assembly; 2. Support plate; 21. First guide rail slider assembly; 3. Base; 31. Third guide rail slider assembly; 4. X-axis drive member; 5. Y-axis drive member; 6. Punching assembly; 61. Punching drive member; 62. Punching knife; 621. First punching protrusion; 6211. First corner cutting surface; 622. Second punching protrusion; 6221. Second corner cutting surface; 623. Guide portion; 624. Two blowing holes; 63, punching seat; 631, punching groove; 6311, punching through hole; 6312, dust storage groove; 632, first side punching groove; 633, second side punching groove; 634, guide hole; 635, first blowing hole; 636, first suction hole; 637, second adsorption hole group; 7, support assembly; 71, Z-axis drive member; 72, carrier plate; 73, top block; 731, first adsorption hole group; 8, tab film; 9, tab metal strip. DETAILED DESCRIPTION

[0030] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0031] It should be understood that the terms "upper", "lower", "left", "right", "front", "back", "middle", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

[0032] like Figure 1 and Figure 2 As shown, an embodiment of the present invention provides an automatic tab blanking device, comprising a support frame 1, a support plate 2, a base 3, an X-direction drive member 4, a Y-direction drive member 5, and a blanking assembly 6. The blanking assembly 6 comprises a blanking drive member 61, a blanking knife 62, and a blanking seat 63. The blanking seat 63 is provided with a blanking groove 631 adapted to the blanking knife 62.

[0033] The punching seat 63 and the punching drive 61 are both installed on the support frame 1; the punching drive 61 is connected to the punching knife 62, and is used to drive the punching knife 62 to punch the tab film 8 on the punching seat 63; it can be understood that the punching knife 62 is arranged directly above the punching seat 63, and the punching drive 61 includes but is not limited to a linear motor, a pneumatic cylinder, a hydraulic cylinder, and a screw nut mechanism, etc., and the punching drive 61 can drive the punching knife 62 to move along the Z direction.

[0034] The support frame 1 is slidably mounted on the support plate 2; the X-direction driving member 4 is mounted on the support plate 2 and is used to drive the support frame 1 to move along the X-direction; it can be understood that the X-direction driving member 4 includes but is not limited to a linear motor, a pneumatic cylinder, a hydraulic cylinder, and a screw-nut mechanism.

[0035] The support plate 2 is slidably mounted on the base 3; the Y-axis driving member 5 is mounted on the base 3 and is used to drive the support plate 2 to move along the Y-axis. It can be understood that the Y-axis driving member 5 includes but is not limited to a linear motor, a pneumatic cylinder, a hydraulic cylinder, and a screw-nut mechanism.

[0036] In the present invention, during the process of the external conveying mechanism conveying the tab film 8 to the punching station, the X-direction driving member 4 drives the punching knife 62 and the punching seat 63 to retreat along the X direction through the support frame 1 to avoid the tab film 8; after the tab film 8 is conveyed to the punching station, the X-direction driving member 4 drives the punching knife 62 and the punching seat 63 to move forward along the X direction through the support frame 1, and the tab film 8 is located above the punching seat 63. During the process of the punching driving member 61 driving the punching knife 62 to insert into the punching groove 631, the punching knife 62 can cut off the tab film 8 on the punching seat 63. The Y-direction driving member 5 can drive the punching knife 62 and the punching seat 63 to move along the Y-direction through the support plate 2 and the support frame 1, so that the punching knife 62 can cut different positions of the tab film 8. The automatic tab punching equipment can cut the longer tab film 8 into multiple short tab films 8, and the automatic tab punching equipment has a compact structure, occupies a small space, has a high degree of automation, and has high work efficiency.

[0037] In one embodiment, if Figure 1 As shown, the tab automatic blanking equipment further includes a first guide rail slider assembly 21 and a second guide rail slider assembly 11. The support frame 1 is slidably mounted on the support plate 2 via the first guide rail slider assembly 21, and the support plate 2 is slidably mounted on the base 3 via the second guide rail slider assembly 11. It can be understood that the first guide rail slider assembly 21 includes a first slider mounted on the support frame 1 and a first guide rail mounted on the support plate 2, and the first slider is slidably connected to the first guide rail; the second guide rail slider assembly 11 includes a second slider mounted on the support plate 2 and a second guide rail mounted on the base 3, and the second slider is slidably connected to the second guide rail.

[0038] In this embodiment, when the X-direction driving member 4 drives the support frame 1 to move in the X-direction, the support frame 1 slides on the support plate 2 via the first guide rail slider assembly 21, thereby ensuring the stability and bearing capacity of the support frame 1 in the X-direction. When the Y-direction driving member 5 drives the support plate 2 to move in the Y-direction, the support plate 2 slides on the base 3 via the second guide rail slider assembly 11, thereby ensuring the stability and bearing capacity of the support plate 2 in the Y-direction.

[0039] In one embodiment, if Figure 2 As shown, the tab automatic blanking device further includes a third guide rail and slider assembly 31, and the blanking knife 62 is slidably mounted on the support frame 1 via the third guide rail and slider assembly 31. It can be understood that the third guide rail and slider assembly 31 includes a third guide rail mounted on the support frame 1 and a third slider mounted on the blanking knife 62, and the third slider is slidably connected to the third guide rail.

[0040] In this embodiment, when the punching drive 61 drives the punching knife 62 to move along the Z direction, the punching knife 62 moves on the support frame 1 through the third guide rail slider assembly 31, thereby ensuring the stability of the movement of the punching knife 62.

[0041] In one embodiment, if Figure 1 and Figure 2 As shown, the automatic tab blanking equipment further includes a support assembly 7, which includes a Z-axis drive member 71, a carrier plate 72, and a plurality of top blocks 73 installed on the carrier plate 72 at intervals along the Y direction. The Z-axis drive member 71 is connected to the carrier plate 72 and is used to drive the top blocks 73 to abut or separate from the end of the blanking seat 63 away from the blanking knife 62 through the carrier plate 72. It is understandable that the number of the top blocks 73 can be set according to actual needs, for example, the number of the top blocks 73 can be set to 2, 3, or 4. The Z-axis drive member 71 includes but is not limited to a linear motor, a pneumatic cylinder, a hydraulic cylinder, and a screw-nut mechanism.

[0042] Specifically, after the Z-direction driving member 71 drives the top block 73 to abut against the bottom of the punching seat 63 via the carrier plate 72, the punching driving member 61 then drives the punching knife 62 to punch the tab film 8 on the punching seat 62, so that the top block 73 can play a role in supporting the punching seat 63, ensuring the stability of the punching knife 62 in punching the tab film 8 on the punching seat 63. The Y-direction driving member 5 can drive the punching knife 62 and the punching seat 63 to move along the Y direction via the support plate 2 and the support frame 1, so that the punching knife 62 can cut different positions of the tab film 8, and different top blocks 73 can support the punching seat 63.

[0043] In one embodiment, if Figure 2 As shown, each top block 73 is provided with a first suction hole group 731 for adsorbing the punching seat 63. It is understood that the first suction hole group 731 includes multiple first suction holes, and the top surface of the top block 73 is completely covered with these first suction holes. Specifically, the top block 73 can adsorb the bottom surface of the punching seat 63 through the first suction hole group 731, further ensuring the stability of the top block 73 supporting the punching seat 63.

[0044] In one embodiment, if Figures 4 to 6 As shown, the first punching protrusion 621 and the second punching protrusion 622 are respectively provided on opposite sides of the punching knife 62, the first punching protrusion 621 is provided with a first corner cutting surface 6211, and the second punching protrusion 622 is provided with a second corner cutting surface 6221; it can be understood that the first punching protrusion 621 and the second punching protrusion 622 are symmetrically arranged, and the first corner cutting surface 6211 and the second corner cutting surface 6221 can be arc-shaped surfaces or inclined surfaces.

[0045] The punching seat 63 is also provided with a first side punching groove 632 adapted to the first punching protrusion 621, and a second side punching groove 633 adapted to the second punching protrusion 622; the first side punching groove 632 and the second side punching groove 633 are respectively connected to the opposite sides of the punching groove 631; it can be understood that the first side punching groove 632 and the second side punching groove 633 are symmetrically arranged, and the inner wall of the first side punching groove 632 is provided with a first inner corner surface adapted to the first corner cutting surface 6211, and the inner wall of the second side punching groove 633 is provided with a second inner corner surface adapted to the second corner cutting surface 6221; the first inner corner surface and the second inner corner surface can be arc-shaped surfaces or inclined surfaces.

[0046] The punching knife 62 is inserted into the punching groove 631 to punch the tab film 8 into a first tab film and a second tab film; the first punching protrusion 621 is inserted into the first side punching groove 632, and the first corner cutting surface 6211 is used to cut a first bevel angle or a first rounded corner on the first tab film; the second punching protrusion 622 is inserted into the second side punching groove 633, and the second corner cutting surface 6221 is used to cut a second bevel angle or a second rounded corner on the second tab film.

[0047] In this embodiment, the punching blade 62 is inserted into the punching groove 631. The punching blade 62 can cut the longer tab film 8 into a first tab film and a second tab film. The first punching protrusion 621 is inserted into the first side punching groove 632. The first corner cutting surface 6211 can cut the corner of the first tab film 8 into a first bevel angle or a first rounded corner. The second punching protrusion 622 is inserted into the second side punching groove 633. The second corner cutting surface 6221 can cut the corner of the second tab film into a second bevel angle or a second rounded corner. In this embodiment, the automatic tab punching device can cut bevel angles or rounded corners on the tab film 8, improving the applicability and versatility of the tab cutting mechanism.

[0048] To further illustrate, when the first inner corner surface and the second inner corner surface can be inclined surfaces, the punching knife 62 can punch out inclined corners on the tab film 8; when the first inner corner surface and the second inner corner surface can be arc-shaped surfaces, the punching knife 62 can punch out rounded corners on the tab film 8.

[0049] In one embodiment, if Figures 4 to 6 As shown, the punching blade 62 is provided with a guide portion 623, and the punching seat 63 is further provided with a guide hole 634. The guide portion 623 is slidably inserted into the guide hole 634. It can be understood that the guide portion 623 is provided at the lower portion of the punching blade 62 and protrudes downward; during the process of inserting or withdrawing the punching blade 62 from the punching groove 631, the guide portion 623 slides in the guide hole 634, thereby ensuring the precision of the docking between the punching blade 62 and the punching seat 63.

[0050] In one embodiment, if Figure 3 and Figure 4 As shown, the punching groove 631 includes a punching through-hole 6311 and a dust storage groove 6312 connected to the punching through-hole 6311. The dust storage groove 6312 has first blowing holes 635 and first suction holes 636 disposed on opposite side walls. The punching drive 61 is used to drive the punching blade 62 into the punching through-hole 6311 to punch the tab film 8 on the punching seat 63. It will be understood that the punching through-hole 6311 is connected directly above the dust storage groove 6312, and the first blowing holes 635 and first suction holes 636 are disposed on the left and right sides of the dust storage groove 6312, respectively.

[0051] Specifically, the waste chips, residual glue, etc. generated in the process of the punching knife 62 punching the tab film 8 on the punching seat 63 will fall into the dust storage groove 6312 through the punching through hole 6311, and the first blowing hole 635 can blow the waste chips, residual glue, etc. in the dust storage groove 6312 to the first suction hole 636. The first suction hole 636 can absorb the waste chips, residual glue, etc. in the dust storage groove 6312, thereby ensuring the cleanliness of the automatic tab punching equipment and ensuring the punching quality of the tab.

[0052] In one embodiment, if Figure 4 As shown, the punching knife 62 is further provided with a second blowing hole 624 for blowing air into the punching through hole 6311. It can be understood that the second blowing hole 624 is arranged just above the punching groove 631.

[0053] Specifically, during the process of the punching knife 62 punching the tab film 8 on the punching seat 63, the first blowing hole 635 can blow the waste chips, residual glue, etc. generated during the punching of the tab film 8 toward the punching through hole 6311, and the waste chips, residual glue, etc. fall into the dust storage groove 6312 through the punching through hole 6311. The first blowing hole 635 can blow the waste chips, residual glue, etc. in the dust storage groove 6312 toward the first air suction hole 636, and the first air suction hole 636 can suck away the waste chips, residual glue, etc. in the dust storage groove 6312, thereby ensuring the cleanliness of the automatic tab punching equipment and ensuring the punching quality of the tab.

[0054] In one embodiment, if Figure 1 and Figure 3 As shown, the blanking seat 63 is further provided with a second adsorption hole group 637, which is used to adsorb the tab metal strip 9 adsorbed with the tab film 8 to the blanking seat 63. It is understood that a plurality of second adsorption holes in the second adsorption hole group 637 can be provided according to actual needs. In this embodiment, the second adsorption hole group 637 can adsorb the tab metal strip 9 to the blanking seat 63, thereby fixing the tab film 8 to the blanking seat 63. The design of the second adsorption hole group 637 ensures the stability of the blanking knife 62 when punching the tab film 8 on the blanking seat 63.

[0055] The above is only an embodiment of the automatic tab punching equipment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An automatic tab punching device, characterized in that: It includes a support frame, a support plate, a base, an X-axis driving member, a Y-axis driving member and a blanking assembly. The blanking assembly includes a blanking driving member, a blanking knife and a blanking seat. The blanking seat is provided with a blanking groove adapted to the blanking knife. The punching seat and the punching drive are both mounted on the support frame; the punching drive is connected to the punching knife and is used to drive the punching knife to punch the tab film on the punching seat; The support frame is slidably mounted on the support plate; The X-direction driving member is mounted on the support plate and is used to drive the support frame to move along the X-direction; The support plate is slidably mounted on the base; the Y-direction driving member is mounted on the base and is used to drive the support plate to move along the Y-direction.

2. The automatic tab punching equipment according to claim 1, characterized in that: The tab automatic blanking equipment further comprises a first guide rail slider assembly and a second guide rail slider assembly. The support frame is slidably mounted on the support plate via the first guide rail slider assembly, and the support plate is slidably mounted on the base via the second guide rail slider assembly.

3. The automatic tab punching equipment according to claim 1, characterized in that: The tab automatic blanking equipment further comprises a third guide rail slider assembly, and the blanking knife is slidably mounted on the support frame via the third guide rail slider assembly.

4. The automatic tab punching equipment according to claim 1, characterized in that: The automatic tab punching equipment also includes a support assembly, which includes a Z-axis drive member, a carrier plate, and a plurality of top blocks installed on the carrier plate at intervals along the Y direction; the Z-axis drive member is connected to the carrier plate, and is used to drive the top block to abut or separate from the end of the punching seat away from the punching knife through the carrier plate.

5. The automatic tab punching equipment according to claim 4, characterized in that: Each of the top blocks is provided with a first adsorption hole group for adsorbing the punching seat.

6. The automatic tab blanking equipment according to claim 1, characterized in that: The punching knife is provided with a first punching protrusion and a second punching protrusion on opposite sides, the first punching protrusion is provided with a first corner cutting surface, and the second punching protrusion is provided with a second corner cutting surface; The blanking seat is further provided with a first side punching groove adapted to the first blanking protrusion, and a second side punching groove adapted to the second blanking protrusion; the first side punching groove and the second side punching groove are respectively connected to opposite sides of the blanking groove; The punching knife is inserted into the punching groove to punch the tab film into a first tab film and a second tab film; The first blanking protrusion is inserted into the first side punch groove, and the first corner cutting surface is used to cut a first bevel angle or a first rounded corner on the first tab film; the second blanking protrusion is inserted into the second side punch groove, and the second corner cutting surface is used to cut a second bevel angle or a second rounded corner on the second tab film.

7. The automatic tab blanking equipment according to claim 1, characterized in that: The punching knife is provided with a guide portion, and the punching seat is also provided with a guide hole, and the guide portion is slidably inserted in the guide hole.

8. The automatic tab punching equipment according to claim 1, characterized in that: The punching groove includes a punching through hole and a dust storage groove connected to the punching through hole, and a first blowing hole and a first suction hole are provided on the opposite side walls of the dust storage groove; the punching drive member is used to drive the punching knife to insert into the punching through hole to punch the tab film on the punching seat.

9. The automatic tab blanking equipment according to claim 8, characterized in that: The punching knife is also provided with a second blowing hole for blowing air toward the punching through hole.

10. The automatic tab blanking equipment according to claim 1, characterized in that: The punching seat is further provided with a second adsorption hole group, which is used to adsorb the tab metal strip adsorbed and attached with the tab film onto the punching seat.

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