Automatic upper and lower film wrapping mechanism for aluminum shell battery cells

Abstract

The present invention relates to the technical field of aluminum shell battery production, and in particular to an automatic upper and lower film coating mechanism for aluminum shell battery cells, which includes a turntable mechanism, a film clamping mechanism, a film coating manipulator and a clamp; the film clamping mechanism and the clamp are both fixed on the turntable mechanism; the film coating manipulator is used to fold the insulating film on the clamp; the film clamping mechanism is used to clamp and fix the folded insulating film. When the present invention is used, the structure can realize automatic film coating of the cell, greatly improve the efficiency of the cell coating, reduce labor costs, and ensure the quality of the battery.

Description

Technical Field

[0001] The invention relates to the technical field of aluminum shell battery production, and in particular to an automatic upper and lower film wrapping mechanism for an aluminum shell battery cell. Background Art

[0002] Lithium battery is a kind of battery with high energy density, high working voltage, no memory effect, long cycle life, no pollution, light weight and low self-discharge. It is currently widely used in various industries. In the production and manufacturing process of batteries, wrapping the battery cell with insulating film (B) (Mylar film) is a very critical process, which plays a very important role in battery performance and safety. At present, most of this process is to wrap the battery cell with this insulating film (B) manually. This manual operation method has low production efficiency, high labor intensity and relatively high production cost in specific applications; and due to manual operation, the quality and performance of the battery cannot be fully guaranteed. Summary of the invention

[0003] The purpose of the present invention is to provide an automatic upper and lower film wrapping mechanism for aluminum shell battery cells in view of the defects and shortcomings of the prior art.

[0004] To achieve the above object, the technical solution adopted by the present invention is:

[0005] The invention discloses an automatic upper and lower film wrapping mechanism for aluminum shell battery cells, which comprises a turntable mechanism, a film clamping mechanism, a film wrapping manipulator and a clamp; the film clamping mechanism and the clamp are both fixed on the turntable mechanism; the film wrapping manipulator is used for folding the insulating film on the clamp; the film clamping mechanism is used for clamping and fixing the folded insulating film.

[0006] Furthermore, the film clamping mechanism includes a jaw pushing cylinder, a film wrapping pushing plate and a film clamping fixing plate fixed on the turntable mechanism; a jaw pushing guide rail is fixed on the film clamping fixing plate; a jaw pushing slider matching the jaw pushing guide rail is fixed on the film wrapping pushing plate; the jaw pushing slider is embedded in the jaw pushing guide rail; film clamping jaws are symmetrically arranged on the left and right sides of the film clamping fixing plate; one end of the jaw pushing cylinder is fixed on the film clamping fixing plate; the other end of the jaw pushing cylinder is fixed on the film wrapping pushing plate.

[0007] Furthermore, the film coating robot includes a film coating translation module; a lifting module is fixed on the slide of the film coating translation module; a long clamping jaw is fixed on the slide of the lifting module; film coating clamping jaws are fixed on the clamping jaw arms of the long clamping jaws; the film coating clamping jaws are fixed on the inner surface of the clamping jaw arms; and the two film coating clamping jaws are arranged opposite to each other.

[0008] Furthermore, the clamp includes a clamp fixing plate; a rear baffle and two baffle translation guide rails parallel to each other are fixed on the clamp fixing plate; baffle translation slide blocks are slidably connected to the baffle translation slide blocks; a front baffle bar is fixed on the baffle translation slide block; a front baffle is fixed on the front baffle bar; a clamp opening mechanism for driving the baffle translation slide block to slide is provided at the bottom of the clamp fixing plate.

[0009] Furthermore, the clamp opening mechanism includes a base plate, an opening translation slide, an opening cylinder and an opening translation guide rail fixed to the base plate; an opening translation slider slidably connected to the opening translation guide rail is fixed to the bottom of the opening translation slide; one end of the opening cylinder is fixed to the base plate; the other end of the opening cylinder is fixed to the opening translation slide; the opening translation slide is fixed to the baffle translation slide.

[0010] Furthermore, a transverse sliding mechanism is arranged between the opening translation slide and the baffle translation slide block; the transverse sliding mechanism includes a lifting mechanism fixed on the opening translation slide and an opening clamping cylinder fixed on the lifting mechanism; positioning blocks are fixed on the two clamping jaws of the opening clamping cylinder; the number of the baffle translation slide blocks is two; a baffle transverse guide rail is fixed on the baffle translation slide block; a baffle transverse slide block is slidably connected to the baffle transverse guide rail; a baffle connecting plate is fixed on the baffle transverse slide block; a positioning pin is fixed on the baffle connecting plate; and a positioning hole matching the positioning pin is fixed on the positioning block.

[0011] Furthermore, a spring is fixed between the two baffle connecting plates; two bolts are threadedly connected to the clamp fixing plate; and the two bolts are respectively pressed on the two baffle connecting plates.

[0012] After adopting the above structure, the beneficial effects of the present invention are as follows: the automatic upper and lower film wrapping mechanism of an aluminum shell battery cell described in the present invention includes a turntable mechanism, a film clamping mechanism, a film wrapping manipulator and a clamp; the film clamping mechanism and the clamp are both fixed on the turntable mechanism; the film wrapping manipulator is used to fold the insulating film on the clamp; the film clamping mechanism is used to clamp and fix the folded insulating film. When using the present invention, the battery cell and the insulating film are placed on the clamp, the insulating film is folded in half onto the battery cell by the film wrapping manipulator, and then clamped and fixed by the film clamping mechanism to enter the next station; the structure can realize automatic film wrapping of the battery cell, greatly improve the efficiency of the battery cell film wrapping, reduce labor costs, and ensure the quality of the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 It is a structural schematic diagram of the film clamping mechanism;

[0014] Figure 3It is a schematic diagram of the structure of the coating robot; Figure 4 is a schematic diagram of the structure of the clamp opening mechanism;

[0015] Figure 5 It is a first-person perspective stereogram of the fixture;

[0016] Figure 6 is a second-view stereogram of the fixture;

[0017] Figure 7 yes Figure 6 The enlarged view of the C section in FIG.

[0018] Description of reference numerals:

[0019] 1. Turntable mechanism;

[0020] 2. Film clamping mechanism; 201. Claw pushing cylinder; 202. Film clamping fixing plate;

[0021] 203, the clamping jaw pushes out the slider; 204, the clamping jaw pushes out the guide rail; 205, the film clamping jaw;

[0022] 206, film-encapsulating push plate;

[0023] 3. Film coating manipulator; 301. Film coating translation module; 302. Long gripper;

[0024] 303, lifting module; 304, clamping arm; 305, film clamping jaw;

[0025] 4. Clamp opening mechanism;

[0026] 401, bottom plate; 402, lifting mechanism; 403, opening the translation guide rail; 404, opening the translation slider;

[0027] 405, open the translation slide; 406, open the clamping claw cylinder; 407, positioning block; 407a, positioning hole;

[0028] 408. Open the cylinder;

[0029] 5. Clamp; 501. Rear baffle; 502. Front baffle; 503. Front baffle;

[0030] 504, fixture fixing plate; 505, spring; 506, baffle translation guide rail; 507, baffle translation slider;

[0031] 508, baffle plate transverse movement guide rail; 509, positioning pin; 5010, baffle plate transverse movement slider;

[0032] 5011, baffle connecting plate; 5012, bolt;

[0033] A. Battery cell; B. Insulation film. DETAILED DESCRIPTION

[0034] The present invention will be further described below in conjunction with the accompanying drawings.

[0035] like Figures 1 to 7 As shown, the automatic upper and lower film wrapping mechanism of an aluminum shell battery cell described in the present invention includes a turntable mechanism 1, a film clamping mechanism 2, a film wrapping manipulator 3 and a clamp 5; the film clamping mechanism 2 and the clamp 5 are both fixed on the turntable mechanism 1; the film wrapping manipulator 3 is used to fold the insulating film B on the clamp 5; the film clamping mechanism 2 is used to clamp and fix the folded insulating film B; the turntable mechanism 1 is essentially different from the prior art and is therefore not described in detail; the battery cell A and the insulating film B are placed on the clamp 5, the insulating film B is folded in half onto the battery cell A by the film wrapping manipulator 3, and then clamped and fixed by the film clamping mechanism 2 to enter the next workstation; the structure can realize automatic film wrapping of the battery cell, greatly improve the efficiency of battery cell film wrapping, reduce labor costs, and ensure the quality of the battery.

[0036] like Figure 2 As shown in the figure, as a preferred embodiment of the present invention, the film clamping mechanism 2 includes a clamping jaw pushing cylinder 201, a film wrapping push plate 206 and a film clamping fixing plate 202 fixed on the turntable mechanism 1; a clamping jaw pushing guide rail 204 is fixed on the film clamping fixing plate 202; a clamping jaw pushing slider 203 matching the clamping jaw pushing guide rail 204 is fixed on the film wrapping push plate 206; the clamping jaw pushing slider 203 is embedded in the clamping jaw pushing guide rail 204; the film clamping jaws 205 are symmetrically arranged on the left and right sides of the film clamping fixing plate 202 ; One end of the clamping jaw pushing cylinder 201 is fixed on the film fixing plate 202; the other end of the clamping jaw pushing cylinder 201 is fixed on the film pushing plate 206; after the insulating film B is folded in half by the film wrapping robot 3, the clamping jaw pushing cylinder 201 is started to push the film pushing plate 206 forward, so that one end of the folded insulating film B is inserted between the two fingers of one of the film clamping jaws 205, and the other end of the insulating film B is inserted between the two fingers of the other film clamping jaw 205; the folded insulating film B is clamped and fixed by the two film clamping jaws 205.

[0037] like Figure 3As shown, as a preferred embodiment of the present invention, the film coating manipulator 3 includes a film coating translation module 301; a lifting module 303 is fixed on the slide of the film coating translation module 301; a long clamping claw 302 is fixed on the slide of the lifting module 303; a film coating claw 305 is fixed on the clamping claw arm 304 of the long clamping claw 302; the film coating claw 305 is fixed on the inner surface of the clamping claw arm 304; the two film coating claws 305 are arranged opposite to each other The long clamping jaw 302 is used to drive the two clamping jaw arms 304 to move synchronously. The insulating film B is fixed on the clamp 5, and the end of the insulating film B waiting to be folded extends out of the clamp 5. Through the coordinated movement of the film coating translation module 301 and the lifting module 303, the claws of the film coating clamping jaws 305 on both sides are clamped on the end of the insulating film B extending out of the clamp 5, and through the movement of the film coating translation module 301 and the lifting module 303, the clamped part of the insulating film B is folded in half onto the battery cell A.

[0038] like Figures 4 to 7 As shown, as a preferred embodiment of the present invention, the clamp 5 includes a clamp fixing plate 504; a rear baffle 501 and two mutually parallel baffle translation guide rails 506 are fixed on the clamp fixing plate 504; baffle translation slide blocks 507 are slidably connected to the baffle translation slide blocks 506; a front baffle bar 503 is fixed on the baffle translation slide block 507; a front baffle 502 is fixed on the front baffle bar 503; a clamp opening mechanism 4 for driving the baffle translation slide block 507 to slide is provided at the bottom of the clamp fixing plate 504; the insulating film B and the battery cell A are both placed on the clamp fixing plate 504, and after the film coating robot 3 is folded in half, the clamp opening mechanism 4 drives the baffle translation slide block 507 to move so that the insulating film B and the battery cell A are pressed between the front baffle 502 and the rear baffle 501, which can not only position the battery cell A, but also press the folded insulating film B to shape it;

[0039] As a preferred embodiment of the present invention, the clamp opening mechanism 4 includes a base plate 401, an opening translation slide 405, an opening cylinder 408 and an opening translation guide rail 403 fixed on the base plate 401; an opening translation slider 404 is fixed to the bottom of the opening translation slide 405 and is slidably connected to the opening translation guide rail 403; one end of the opening cylinder 408 is fixed to the base plate 401; the other end of the opening cylinder 408 is fixed to the opening translation slide 405; the opening translation slide 405 is fixed to the baffle translation slider 507; after the opening cylinder 408 is driven, the opening translation slide 405 slides, and the opening translation slide 405 drives the front baffle 502 to slide, thereby realizing the clamping action of the front baffle 502.

[0040] As a preferred embodiment of the present invention, a transverse sliding mechanism is provided between the opening translation slide 405 and the baffle translation slide 507; the transverse sliding mechanism includes a lifting mechanism 402 fixed on the opening translation slide 405 and an opening clamping cylinder 406 fixed on the lifting mechanism 402; positioning blocks 407 are fixed on the two clamping jaws of the opening clamping cylinder 406; the number of the baffle translation slides 507 is two; baffle transverse guide rails 508 are fixed on the baffle translation slides 507; the baffle A baffle transverse sliding block 5010 is slidably connected to the transverse guide rail 508; a baffle connecting plate 5011 is fixed to the baffle transverse sliding block 5010; positioning pins 509 are fixed to the baffle connecting plates 5011; positioning holes 407a matching the positioning pins 509 are fixed to the positioning blocks 407; after the lifting mechanism 402 is driven, the two positioning pins 509 are respectively inserted into the two positioning holes 407a, and with the cooperation of the opening cylinder 408 and the opening jaw cylinder 406, the planar movement of the front baffle 503 is realized.

[0041] As a preferred embodiment of the present invention, a spring 505 is fixed between the two baffle connecting plates 5011; two bolts 5012 are threadedly connected to the clamp fixing plate 504; the two bolts are respectively pressed on the two baffle connecting plates 5011 of the bolts 5012; the initial position of the baffle connecting plates 5011 can be adjusted by rotating the bolts 5012 and the spring 505, and when the two positioning pins 509 are pulled out of the positioning holes 407a, the spring 505 resets the front baffle bar 503.

[0042] When using the present invention, the battery cell and the insulating film are placed on the clamp, and the long clamping claw is used to drive the two clamping claw arms to move synchronously. The insulating film is fixed on the clamp, and the end of the insulating film to be folded extends out of the clamp, and the film coating translation module and the lifting module cooperate to move, so that the claws of the film coating claws on both sides are clamped on the end of the insulating film extending out of the clamp, and the insulating film of the clamped part is folded onto the battery cell through the movement of the film coating translation module and the lifting module. After the insulating film is folded in half by the film coating robot, the clamping claw pushing cylinder is started to push the film coating push plate forward, so that one end of the folded insulating film is inserted between the two fingers of one of the film coating claws, and the other end of the insulating film The end is inserted between the two fingers of the other film clamping claw; the folded insulating film is clamped and fixed by the two film clamping claws; after the lifting mechanism is driven, the two positioning pins are respectively inserted into the two positioning holes, and with the cooperation of the opening cylinder and the opening jaw cylinder, the planar movement of the front baffle is realized, and the insulating film and the battery cell are pressed between the front baffle and the rear baffle to realize the clamping action of the front baffle; not only can the battery cell be positioned, but also the folded insulating film can be pressed to be shaped and enter the next workstation; the structure can realize automatic film coating of the battery cell, greatly improve the efficiency of battery cell film coating, reduce labor costs, and ensure the quality of the battery.

[0043] The above description is only a preferred embodiment of the present invention, so all equivalent changes or modifications made according to the structure, characteristics and principles described in the scope of the patent application of the present invention are included in the scope of the patent application of the present invention.

Claims

1. An automatic upper and lower film coating mechanism for aluminum shell battery cells, characterized in that: It comprises a turntable mechanism (1), a film clamping mechanism (2), a film wrapping manipulator (3) and a clamp (5); the film clamping mechanism (2) and the clamp (5) are both fixed on the turntable mechanism (1); the film wrapping manipulator (3) is used to fold the insulating film (B) on the clamp (5); the film clamping mechanism (2) is used to clamp and fix the folded insulating film (B); The film clamping mechanism (2) comprises a clamping jaw pushing cylinder (201), a film coating push plate (206) and a film clamping fixing plate (202) fixed on the turntable mechanism (1); a clamping jaw pushing guide rail (204) is fixed on the film clamping fixing plate (202); a clamping jaw pushing slider (203) matching the clamping jaw pushing guide rail (204) is fixed on the film coating push plate (206); the clamping jaw pushing slider (203) is embedded in the clamping jaw pushing guide rail (204); film clamping jaws (205) are symmetrically arranged on the left and right sides of the film clamping fixing plate (202); one end of the clamping jaw pushing cylinder (201) is fixed on the film clamping fixing plate (202); and the other end of the clamping jaw pushing cylinder (201) is fixed on the film coating push plate (206); The clamp (5) comprises a clamp fixing plate (504); a rear baffle (501) and two baffle translation guide rails (506) parallel to each other are fixed on the clamp fixing plate (504); baffle translation slide blocks (507) are slidably connected to the baffle translation slide blocks (506); a front baffle bar (503) is fixed on the baffle translation slide blocks (507); a front baffle (502) is fixed on the front baffle bar (503); a clamp opening mechanism (4) for driving the baffle translation slide blocks (507) to slide is provided at the bottom of the clamp fixing plate (504); The clamp opening mechanism (4) comprises a bottom plate (401), an opening translation slide plate (405), an opening cylinder (408), and an opening translation guide rail (403) fixed to the bottom plate (401); an opening translation slider (404) slidably connected to the opening translation guide rail (403) is fixed to the bottom of the opening translation slide plate (405); one end of the opening cylinder (408) is fixed to the bottom plate (401); the other end of the opening cylinder (408) is fixed to the opening translation slide plate (405); the opening translation slide plate (405) is fixed to the baffle translation slider (507); A transverse sliding mechanism is provided between the opening translation slide (405) and the baffle translation slide block (507); the transverse sliding mechanism comprises a lifting mechanism (402) fixed on the opening translation slide (405) and an opening clamping jaw cylinder (406) fixed on the lifting mechanism (402); positioning blocks (407) are fixed on both clamping jaws of the opening clamping jaw cylinder (406); the number of the baffle translation slide blocks (507) is two; a baffle transverse guide rail (508) is fixed on each baffle translation slide block (507); a baffle transverse slide block (5010) is slidably connected to the baffle transverse guide rail (508); a baffle connecting plate (5011) is fixed on the baffle transverse slide block (5010); a positioning pin (509) is fixed on each baffle connecting plate (5011); and a positioning hole (407a) matching the positioning pin (509) is fixed on each positioning block (407).

2. The automatic upper and lower film wrapping mechanism for aluminum shell battery cells according to claim 1 is characterized in that: The film coating robot (3) comprises a film coating translation module (301); a lifting module (303) is fixed on the slide of the film coating translation module (301); a long clamping claw (302) is fixed on the slide of the lifting module (303); film coating clamping claws (305) are fixed on the clamping claw arms (304) of the long clamping claws (302); the film coating clamping claws (305) are fixed on the inner side surfaces of the clamping claw arms (304); and the two film coating clamping claws (305) are arranged opposite to each other.

3. The automatic upper and lower film wrapping mechanism for aluminum shell battery cells according to claim 1 is characterized in that: A spring (505) is fixed between the two baffle connecting plates (5011); two bolts (5012) are threadedly connected to the clamp fixing plate (504); and the two bolts are respectively pressed against the two baffle connecting plates (5011) of the bolts (5012).

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