U-shaped adhesive mechanism for ear tabs

Abstract

The present invention provides a U-shaped glue sticking mechanism for a pole ear, comprising a base, a glue sucking head for sucking a tape is provided on the base, a first glue folding head for bending the tape upward and sticking it to the lower surface of the pole ear is provided on one side of the glue sucking head, a first lifting cylinder for controlling the up and down movement of the first glue folding head is provided on the base, a second glue folding head for bending and standing the tape is provided on the side of the first glue folding head away from the glue sucking head, a second lifting cylinder for controlling the up and down movement of the second glue folding head is provided on the base, a third glue folding head for bending the standing tape and sticking it to the upper surface of the pole ear is provided on the upper end of the second glue folding head, a glue folding part is provided at one end of the third glue folding head, an end of the third glue folding head close to the glue folding part is rotatably connected with the second glue folding head through a rotating shaft, and a third lifting cylinder for pushing the other end of the third glue folding head to rotate the glue folding part toward one side of the first glue folding head is provided on the base. The present invention can automatically stick U-shaped glue to the pole ear, has high production efficiency, and reduces production costs.

Description

Technical Field

[0001] The invention relates to the technical field of lithium battery production equipment, and in particular to a U-shaped glue mechanism for a tab. Background Art

[0002] Lithium batteries are a type of battery that uses lithium metal or lithium alloy as the negative electrode material and non-aqueous electrolyte solution. In the production process of lithium batteries, after the tabs are welded to the battery cells, they need to be glued to insulate and fix the tabs. However, traditional tab gluing is mainly done manually, which is inefficient, labor-intensive, and has high production costs for enterprises. At the same time, the consistency of gluing is poor and the product quality is unstable. Summary of the invention

[0003] In view of the deficiencies in the prior art, the present invention provides a U-shaped glue sticking mechanism for the tab, which can realize automatic U-shaped glue sticking for the tab, has high production efficiency, reduces the production cost of the enterprise, and has good glue sticking consistency and stable product quality.

[0004] To achieve the above purpose, the present invention adopts the following technical solutions:

[0005] A U-shaped glue sticking mechanism for a pole ear comprises a base, a glue suction head for sucking up a tape is provided on the base, a first glue folding head for bending the tape sucked by the glue suction head upward and sticking it to the lower surface of the pole ear is provided on one side of the glue suction head, a first driving element for controlling the up and down movement of the first glue folding head is provided on the base, a second glue folding head for bending and standing up the tape is provided on the side of the first glue folding head away from the glue suction head, a second driving element for controlling the up and down movement of the second glue folding head is provided on the base, a third glue folding head for bending the standing tape and sticking it to the upper surface of the pole ear is provided on the upper end of the second glue folding head, a glue folding part is provided at one end of the third glue folding head, an end of the third glue folding head close to the glue folding part is rotatably connected to the second glue folding head through a rotating shaft, and a third driving element for pushing the other end of the third glue folding head to rotate the glue folding part toward the first glue folding head is provided on the base.

[0006] As a preferred solution, a reset mechanism is provided on the base to rotate the glue folding part to a side away from the first glue folding head.

[0007] As a preferred solution, the reset mechanism is a tension spring, the upper end of the tension spring is connected to the other end of the third folding rubber head, and the lower end of the tension spring is connected to the second folding rubber head.

[0008] As a preferred solution, it also includes a slide cylinder for controlling the up and down movement of the base and a transverse driving module for controlling the lateral movement of the slide cylinder. The slide cylinder can be movably mounted on the transverse driving module through a cylinder mounting seat, and the movable joint of the slide cylinder extends upward to be connected to the base.

[0009] As a preferred solution, the third driving element is a third lifting cylinder, and the movable joint of the third lifting cylinder is provided with a vertically arranged push rod, and the upper end of the push rod is in pressure contact with the lower surface of the other end of the third folding rubber head.

[0010] As a preferred solution, the upper end of the push rod has an arc-shaped push portion, and the arc-shaped push portion protrudes upward in an arc shape.

[0011] As a preferred solution, a baffle is provided on the side of the second folding rubber head away from the first folding rubber head, a through groove is formed between the baffle, the base and the rubber suction head, and the lower ends of the first folding rubber head and the second folding rubber head can be movably installed in the through groove.

[0012] As a preferred solution, a connecting plate is provided at the opening of the through groove, and the two ends of the connecting plate are respectively detachably connected to the baffle and the rubber suction head, and the connecting plate is provided with a first adjusting screw for adjusting the upward movement stroke of the first rubber folding head and a second adjusting screw for adjusting the upward movement stroke of the second rubber folding head.

[0013] As a preferred scheme, a limiting protrusion corresponding to the first adjusting screw is provided on one side of the first rubber folding head, and a limiting groove corresponding to the limiting protrusion is provided on the connecting plate, and the limiting groove extends in the up-down direction, and the lower end of the first adjusting screw extends into the limiting groove; a limiting rod corresponding to the second adjusting screw is provided on one side of the second rubber folding head, and a limiting through groove for the limiting rod to extend outward is also provided on the connecting plate, and the limiting through groove extends in the up-down direction, and the lower end of the second adjusting screw extends into the limiting through groove.

[0014] As a preferred solution, the first driving element is a first lifting cylinder, the movable joint of the first lifting cylinder extends upward and is connected to the first rubber folding head, and the second driving element is a second lifting cylinder, the movable joint of the second lifting cylinder extends upward and is connected to the limit rod.

[0015] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, by arranging a glue suction head, a first glue folding head, a second glue folding head and a third glue folding head, when applying glue, the glue suction head sticks the tape to the lower surface of the battery cell, the first glue folding head bends the tape and sticks it to the lower surface of the pole ear, the second glue folding head bends the tape and stands it up and bends the tape through the glue folding part on the third glue folding head and then sticks it to the upper surface of the pole ear, thereby realizing automatic U-shaped glue application on the pole ear, with high production efficiency and reduced production costs of the enterprise, and at the same time, good glue application consistency and stable product quality; by arranging a baffle plate, a base and a glue suction head to form a through groove, a connecting plate detachably connected to the baffle plate and the glue suction head is provided at the opening of the through groove, thereby facilitating the installation and disassembly of the first glue folding head and the second glue folding head; by arranging a first adjusting screw and a second adjusting screw on the connecting plate, the upward movement stroke of the first glue folding head and the second glue folding head can be adjusted to adapt to the glue application of battery cells of different thicknesses, and at the same time, the second adjusting screw can also prevent the pole ear from being damaged due to excessive stroke of the second glue folding head.

[0016] In order to more clearly explain the structural features, technical means and specific purposes and functions achieved by the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments: BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the assembly structure of an embodiment of the present invention;

[0018] Figure 2 It is a schematic diagram of the structure of an embodiment of the present invention without the lateral drive module and the slide cylinder;

[0019] Figure 3 yes Figure 2 Another perspective structural diagram of;

[0020] Figure 4 Schematic diagram of the tab glue attachment state of an embodiment of the present invention;

[0021] Figure 5 yes Figure 4 A partial enlarged schematic diagram of part A.

[0022] Description of the accompanying drawings:

[0023] 10-transverse drive module; 11-cylinder mounting seat; 12-slide cylinder;

[0024] 13-base; 14-rubber suction head; 141-air suction hole;

[0025] 15- baffle; 16- connecting plate; 161- limiting groove;

[0026] 162-limiting slot; 17-first adjusting screw; 18-second adjusting screw;

[0027] 20-first folding rubber head; 201-limiting convex block; 21-first lifting cylinder;

[0028] 22-second folding rubber head; 221-limiting rod; 222-sliding groove;

[0029] 223-rotating shaft; 23-second lifting cylinder; 24-third folding rubber head;

[0030] 241-rubber folding part; 25-third lifting cylinder; 26-pushing rod;

[0031] 27-tension spring; 271-connecting ring; 28-connecting shaft;

[0032] 30-battery cell; 31-tab; 32-adhesive tape. DETAILED DESCRIPTION

[0033] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the positions or elements referred to must have specific directions, be constructed and operated in specific directions. Therefore, they should not be understood as limitations on the present invention.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] like Figure 1-5As shown, a U-shaped glue mechanism for sticking a pole ear includes a base 13, a slide cylinder 12 for controlling the up and down movement of the base 13, and a lateral movement driving module 10 for controlling the lateral movement of the slide cylinder 12. The slide cylinder 12 is movably mounted on the lateral movement driving module 10 through a cylinder mounting seat 11. The movable joint of the slide cylinder 12 extends upward and is connected to the base 13. A glue suction head 14 for sucking up an adhesive tape 32 is provided on the base 13. A plurality of suction holes 141 are provided on the upper end surface of the glue suction head 14. A side of the glue suction head 14 is provided with a tape 32 sucked by the glue suction head 14 for bending upward and sticking it to the pole ear. The first rubber folding head 20 on the lower surface of the pole ear 31 is provided with a first driving element for controlling the first rubber folding head 20 to move up and down. The first rubber folding head 20 is provided with a second rubber folding head 22 for bending and standing up the adhesive tape 32 on a side away from the adhesive suction head 14. The base 13 is provided with a second driving element for controlling the second rubber folding head 22 to move up and down. The upper end of the second rubber folding head 22 is provided with a third rubber folding head 24 for bending the standing adhesive tape 32 and sticking it to the upper surface of the pole ear 31. One end of the third rubber folding head 24 is provided with a rubber folding portion 241. One end of the third rubber folding head 24 near the rubber folding portion 241 is provided with a rubber folding portion 241. The end is rotatably connected to the second rubber folding head 22 through a rotating shaft 223. The base 13 is provided with a third driving element for pushing the other end of the third rubber folding head 24 to make the rubber folding part 241 rotate toward the first rubber folding head 20. The third driving element is a third lifting cylinder 25. The movable joint of the third lifting cylinder 25 is provided with a vertically arranged pushing rod 26. The upper end of the pushing rod 26 is pressed and contacted with the lower surface of the other end of the third rubber folding head 24. The upper end of the pushing rod 26 has an arc-shaped pushing portion (not shown). The arc-shaped pushing portion protrudes upward. The second rubber folding head 22 is provided with a pushing rod 26. 6 corresponding to the slide groove 222, when applying glue, the upper end of the push rod 26 passes through the slide groove 222 and presses against the lower surface of the other end of the third glue folding head 24, and the base 13 is provided with a reset mechanism for rotating the glue folding part 241 to the side away from the first glue folding head 20, and the reset mechanism is a tension spring 27. The other end of the third glue folding head 24 is provided with a limiting groove (not shown) corresponding to the connecting ring 271 at the upper end of the tension spring 27, and a connecting shaft 28 is provided in the limiting groove. The connecting ring 271 is sleeved on the connecting shaft 28 in the limiting groove, and the lower end of the tension spring 27 is connected to the second glue folding head 22.

[0036] A baffle 15 is provided on the side of the second rubber folding head 22 away from the first rubber folding head 20, and a through groove is formed between the baffle 15, the base 13 and the rubber suction head 14. The lower ends of the first rubber folding head 20 and the second rubber folding head 22 can be installed in the through groove movably up and down, and a connecting plate 16 is provided at the opening of the through groove. The two ends of the connecting plate 16 are detachably connected to the baffle 15 and the rubber suction head 14 respectively, and a first adjusting screw 17 for adjusting the stroke of the upward movement of the first rubber folding head 20 and a second adjusting screw 18 for adjusting the stroke of the upward movement of the second rubber folding head 22 are provided on the connecting plate 16. A limiting protrusion 201 corresponding to the first adjusting screw 17 is provided on one side of the first rubber folding head 20, and a limiting protrusion 201 is provided on the connecting plate 16. The corresponding limiting groove 161 extends in the up-down direction, the lower end of the first adjusting screw 17 extends into the limiting groove 161, and a limiting rod 221 corresponding to the second adjusting screw 18 is provided on one side of the second folding rubber head 22, and a limiting through groove 162 for the limiting rod 221 to extend outward is also provided on the connecting plate 16, and the limiting through groove 162 extends in the up-down direction, the lower end of the second adjusting screw 18 extends into the limiting through groove 162, the first driving element is the first lifting cylinder 21, and the movable joint of the first lifting cylinder 21 extends upward to be connected with the first folding rubber head 20, and the second driving element is the second lifting cylinder 23, and the movable joint of the second lifting cylinder 23 extends upward to be connected with the limiting rod 221.

[0037] The working principle of the present invention is that the glue suction head 14 sucks the cut tape 32, the transverse driving module 10 controls the slide cylinder 12 to move to the glue sticking platform (not shown), the slide cylinder 12 controls the base 13 to move up, the glue suction head 14 presses the tape 32 against the lower surface of the battery cell 30, the first glue folding head 20 will bend upward and stick to the root and lower surface of the pole ear 31, the second glue folding head 22 moves upward to bend the tape 32 and stand it up, the push rod 26 pushes the third glue folding head 24 to make the glue folding part 241 rotate toward the side of the first glue folding head 20, and the stood-up tape 32 is bent and stuck to the upper surface of the pole ear 31, thereby completing the U-shaped glue sticking action of the pole ear 31.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Therefore, any modification, equivalent replacement, improvement, etc. made to the above embodiment based on the technical practice of the present invention still falls within the scope of the technical solution of the present invention.

Claims

1. A U-shaped adhesive mechanism for tabs, characterized in that: The invention comprises a base, wherein a glue suction head for sucking up the adhesive tape is provided on the base, a first glue folding head for bending the adhesive tape sucked by the glue suction head upward and sticking it to the lower surface of the pole ear is provided on one side of the glue suction head, a first driving element for controlling the up and down movement of the first glue folding head is provided on the base, a second glue folding head for bending and standing up the adhesive tape is provided on the side of the first glue folding head away from the glue suction head, a second driving element for controlling the up and down movement of the second glue folding head is provided on the base, a third glue folding head for bending the standing adhesive tape and sticking it to the upper surface of the pole ear is provided on the upper end of the second glue folding head, a glue folding part is provided at one end of the third glue folding head, an end of the third glue folding head close to the glue folding part is rotatably connected to the second glue folding head through a rotating shaft, and a third driving element for pushing the other end of the third glue folding head to rotate the glue folding part toward the first glue folding head is provided on the base; The base is provided with a tension spring which causes the rubber folding part to rotate away from the first rubber folding head. The upper end of the tension spring is connected to the other end of the third rubber folding head, and the lower end of the tension spring is connected to the second rubber folding head. The third driving element is a third lifting cylinder. The movable joint of the third lifting cylinder is provided with a vertically arranged pushing rod. The upper end of the pushing rod is in pressure contact with the lower surface of the other end of the third rubber folding head. The upper end of the pushing rod has an arc-shaped pushing portion, and the arc-shaped pushing portion protrudes upward in an arc shape.

2. The U-shaped adhesive structure of the tab according to claim 1, characterized in that: It also includes a slide cylinder for controlling the up and down movement of the base and a transverse drive module for controlling the transverse movement of the slide cylinder. The slide cylinder is movably mounted on the transverse drive module through a cylinder mounting seat, and the movable joint of the slide cylinder extends upward to connect with the base.

3. The U-shaped adhesive structure of the tab according to claim 1, characterized in that: A baffle is provided on one side of the second folding rubber head away from the first folding rubber head, a through groove is formed between the baffle, the base and the rubber suction head, and the lower ends of the first folding rubber head and the second folding rubber head are movably installed in the through groove.

4. The U-shaped adhesive structure of the tab according to claim 3, characterized in that: A connecting plate is provided at the opening of the through groove, and the two ends of the connecting plate are detachably connected to the baffle and the glue suction head respectively. The connecting plate is provided with a first adjusting screw for adjusting the upward movement stroke of the first glue folding head and a second adjusting screw for adjusting the upward movement stroke of the second glue folding head.

5. The U-shaped adhesive structure of the tab according to claim 4, characterized in that: A limiting protrusion corresponding to the first adjusting screw is provided on one side of the first folding rubber head, and a limiting groove corresponding to the limiting protrusion is provided on the connecting plate, and the limiting groove extends in the up-down direction, and the lower end of the first adjusting screw extends into the limiting groove, and a limiting rod corresponding to the second adjusting screw is provided on one side of the second folding rubber head, and a limiting through groove for the limiting rod to extend outward is also provided on the connecting plate, and the limiting through groove extends in the up-down direction, and the lower end of the second adjusting screw extends into the limiting through groove.

6. The U-shaped adhesive structure of the tab according to claim 5, characterized in that: The first driving element is a first lifting cylinder, the movable joint of the first lifting cylinder extends upward and is connected to the first rubber folding head, and the second driving element is a second lifting cylinder, the movable joint of the second lifting cylinder extends upward and is connected to the limit rod.

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