CN209830599U

CN209830599U - Device for welding battery

Info

Publication number: CN209830599U
Application number: CN201822179495.5U
Authority: CN
Inventors: 肖辉柱
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-24
Filing date: 2018-12-24
Publication date: 2019-12-24
Anticipated expiration: 2028-12-24

Abstract

The utility model discloses a be used for battery welded device, including the bed frame, be fixed with on the bed frame and press from both sides dress platform, fixing device, press from both sides the dress platform and press from both sides the dress device including rolling disc, multiunit, the rolling disc is connected with drive arrangement, drive arrangement includes hold-in range, step motor, cam wheel splitter, cam, the cam wheel splitter transmission is connected, the cam cup joints in the cam wheel splitter outside, the axle center fixed connection of rolling disc and cam wheel splitter. The battery and the utmost point ear apron are arranged in clamping device, press the automatic utmost point ear apron of pushing down of claw, the response contact on the claw of pressing contacts the battery, detect the qualified back of battery, laser passes through the briquetting through-hole work in required processing position, press the claw after the welding to mention automatically, when the rolling disc drives the clamping device to the cam position that has welded the battery, the bearing is contradicted the cam, it slides to drive the slider, thereby drive the fourth stopper and move outwards, thereby the position increase of battery tray groove, the battery of conveniently taking.

Description

Device for welding battery

Technical Field

The utility model relates to a be used for battery welded device.

Background

The lithium cell need add on battery tab and weld the protection shield, generally adopt laser welding, current mode generally needs the manual work to fix battery and protection shield, work efficiency is low, and can not guarantee the welding machine precision of battery and utmost point ear apron, also there are some welding equipment, can tentatively realize passing through anchor clamps with the battery centre gripping, however, these anchor clamps are inconvenient when battery is got again and is put, lead to low in production efficiency, and battery tab apron welding does not pass through the test before, can't confirm whether qualified just directly welding of battery before the welding, cause the waste.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a device for battery welding.

The utility model provides a technical scheme that its technical problem adopted is: the device for welding the battery comprises a base frame, wherein a rotatable clamping table and a fixing device are fixedly connected to the base frame, the fixing device is arranged on the side face of the clamping table, the clamping table comprises a rotating disc and a plurality of groups of clamping devices which are uniformly distributed on the circumference of the rotating disc, the rotating disc is connected with a driving device, the driving device comprises a synchronous belt, a stepping motor, a cam divider and a cam, the synchronous belt, the stepping motor and the cam divider are all fixed to the base frame, the synchronous belt is in transmission connection with the stepping motor and the cam divider, the cam is sleeved on the outer side of the cam divider, and the rotating disc is fixedly connected with the axis of the cam divider.

Preferably, the fixing device comprises a fixing base, a cylinder, an insulating block, a pressing claw fixing seat and a pressing claw, the fixing base is fixed on the base frame, the cylinder is fixed on the fixing base, the insulating block is in transmission connection with the cylinder, the pressing claw fixing seat is fixedly connected with the insulating block, the pressing claw is fixed on the pressing claw fixing seat, and a first through hole is formed in the pressing claw.

Preferably, the fixing device is further provided with a battery detection device, the battery detection device comprises a detector and an induction contact connected with the detector, and the induction contact is fixed at the lower end of the pressing claw.

Preferably, the insulating block is provided with a first key groove, the pressing claw fixing seat penetrates through the first key groove by a screw to be in threaded connection with the insulating block, the pressing claw fixing seat is provided with a guide rail, and the pressing claw is limited in the guide rail to be in threaded connection with the pressing claw fixing seat.

Preferably, the clamping device comprises a first limiting block, a second limiting block, a third limiting block and a sliding block mechanism, wherein the first limiting block, the second limiting block, the third limiting block and the sliding block mechanism are fixed on the rotating disc, the sliding block mechanism is fixedly connected to the rotating disc, the first limiting block, the second limiting block, the third limiting block and the sliding block mechanism form a battery bracket, and the rotating disc is provided with a clearance position outside the clamping device.

Preferably, the slider mechanism includes slider mount pad, slider, fourth stopper, guiding axle, compression spring, jackscrew, bearing, the slider mount pad is fixed on the rolling disc, the guiding axle is articulated with the slider mount pad, slider and guiding axle swing joint, compression spring sets up between slider and slider mount pad and cup joints the outside at the guiding axle, the jackscrew just contradicts with the slider mount pad with slider threaded connection, the downside at the slider is fixed to the bearing.

Preferably, first stopper, second stopper, third stopper all are equipped with keyway two, first stopper, second stopper, third stopper pass keyway two and rolling disc threaded connection through the screw respectively, the fourth stopper is equipped with keyway three, the fourth stopper passes keyway three and slider threaded connection by the screw.

Preferably, the slider includes upper strata piece, with upper strata piece fixed connection's lower floor's piece, the top of upper strata piece is equipped with screw hole one, the lateral part of lower floor piece is provided with through-hole two, screw hole two, the bottom of lower floor piece is equipped with screw hole three, the fourth stopper passes keyway three and the screw hole threaded connection of slider by the screw, the uide bushing cup joints in through-hole two, the bearing passes screw hole three and slider threaded connection by the screw, jackscrew and screw hole two threaded connection.

Preferably, the clamping device is provided with four groups which are uniformly distributed on the circumference of the rotating disc.

The utility model provides a be used for battery welded device, arrange the battery in clamping device with utmost point ear apron, the rolling disc changes to the settlement angle, press the claw to push down battery and utmost point ear apron automatically, the response contact on the pressure claw contacts the battery, it is qualified to detect the battery, then laser passes through briquetting through-hole work in required processing position, press the claw after having welded and mention automatically, the rolling disc drives when having welded clamping device to the cam position of battery, the cam of contradicting of bearing, it slides to drive the slider, thereby drive the fourth stopper outwards motion, thereby the position of battery tray increases, conveniently take the battery. And if the battery is detected to be unqualified, laser welding is not carried out. The utility model discloses simple structure, it is practical convenient, production efficiency is high.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of area A of FIG. 1;

FIG. 3 is an enlarged view of area B of FIG. 2;

fig. 4 is a top view of the present invention;

FIG. 5 is a cross-sectional view C-C of FIG. 4;

fig. 6 is a schematic structural diagram of the middle slider according to the present invention.

Detailed Description

Referring to fig. 1 to 6, the present invention is implemented as follows: the device for welding the battery comprises a base frame 1, wherein a rotatable clamping table 2 and a fixing device 3 are fixedly connected to the base frame 1, the fixing device 3 is arranged on the side face of the clamping table 2, the clamping table 2 comprises a rotating disc 21 and four groups of clamping devices 22 uniformly distributed on the circumference of the rotating disc 21, and the clamping table 2 is further connected with a driving device 4.

The driving device 4 comprises a synchronous belt 41, a stepping motor 42, a cam divider 43 and a cam 44, wherein the synchronous belt 41, the stepping motor 42 and the cam divider 43 are all fixed on the base frame 1, the synchronous belt 41 is in transmission connection with the stepping motor 42 and the cam divider 43, the cam 44 is sleeved outside the cam divider 43, and the rotating disc 21 is fixedly connected with the axis of the cam divider 43. The stepping motor 42 rotates the cam divider 43 via the timing belt 41, thereby rotating the rotary disk 21, and the cam 44 does not rotate with the cam divider 43.

The rotary disc 21 is provided with four stations which are uniformly distributed on the circumference of the rotary disc 21, namely a first station 6, a second station 7, a third station 8 and a fourth station 9, and the four stations are spaced by 90 degrees. One clamping device 22 is arranged on each of the four positions, and the four groups of clamping devices 22 are spaced at 90 degrees. The fixing device 3 is arranged on the upper side of the second station 7.

The clamping devices 22 respectively comprise a first limiting block 23, a second limiting block 24, a third limiting block 25 and a sliding block mechanism 26 fixedly connected to the rotating disc 21, the first limiting block 23, the second limiting block 24, the third limiting block 25 and the sliding block mechanism 26 form a battery bracket, and the rotating disc 21 is provided with a clearance 27 at the outer side of the clamping devices 22. The battery 100 and the tab cover plate 200 are placed on the battery bracket, and the clearance 27 facilitates the taking and placing of the battery 100.

The slider mechanism 26 includes a slider mounting seat 261, a slider 262, a fourth limit block 263, a guide shaft 264, a compression spring 265, a jackscrew 266, and a bearing 267, the slider mounting seat 261 is fixed on the rotating disk 21, the guide shaft 264 is hinged with the slider mounting seat 261, the slider 262 is limited outside the guide shaft 264 and movably connected with the guide shaft 264, the compression spring 265 is disposed between the slider 262 and the slider mounting seat 261 and sleeved outside the guide shaft 264, the jackscrew 266 is in threaded connection with the slider 262 and is abutted against the slider mounting seat 261, and the bearing 267 is fixed at the lower side of the slider 262.

The first limiting block 23, the second limiting block 24 and the third limiting block 25 are all provided with a second key slot 28, and the first limiting block 23, the second limiting block 24 and the third limiting block 25 penetrate through the second key slot 28 and are in threaded connection with the rotating disc 21 through screws respectively.

The slider 262 includes upper strata piece 2621, with upper strata piece 2621 fixed connection's lower floor piece 2622, the top of upper strata piece 2621 is equipped with screw hole one 2623, the lateral part of lower floor piece 2622 is provided with through-hole two 2624, screw hole two 2625, guiding shaft 264 cup joints in through-hole two 2624, the bottom of lower floor piece 2622 is equipped with screw hole three 2626, guiding shaft 264 is injectd in through-hole two 2624, bearing 267 passes screw hole three 2626 and slider 262 threaded connection by the screw, fourth stopper 263 is equipped with keyway three 268, fourth stopper 263 passes keyway three 268 and slider 262's a threaded connection of screw hole 2623 by the screw, jackscrew 266 and the threaded connection of screw hole two 2625.

The jackscrew 266 can adjust the relative position of the slider 262 and the slider mount 261, so that the position of the fourth stopper 263 can be adjusted accordingly according to the size of the battery. The adjusting mode has the advantages of high speed, high precision and high efficiency.

The design of the second key slot 28 and the third key slot 268 enables the installation positions of the first stopper 23, the second stopper 24, the third stopper 25 and the fourth stopper 263 to be adjusted according to the size of the battery.

Fixing device 3 includes fixed baseplate 31, cylinder 32, insulating block 33, pressure claw fixing base 34, pressure claw 35, fixed baseplate 31 fixes on bed frame 1, cylinder 32 fixes on fixed baseplate 31, insulating block 33 is connected with cylinder 32 transmission, pressure claw fixing base 34 and insulating block 33 fixed connection, pressure claw 35 fixes on pressure claw fixing base 34, establish through-hole 38 on the pressure claw 35. When the clamping device 22 rotates to the second station 7, the air cylinder 32 is started to push the insulating block 33 to move downwards, so that the pressing claw 35 is driven to fixedly press the battery 100 and the tab cover plate 200, and the laser can weld the battery 100 and the tab cover plate 200 through the first through hole 38 on the pressing claw 35.

The insulating block 33 is provided with a first key groove 36, the pressing claw fixing seat 34 penetrates through the first key groove 36 by a screw to be in threaded connection with the insulating block 33, the pressing claw fixing seat 34 is provided with a guide rail 37, and the pressing claw 35 is limited in the guide rail 37 to be in threaded connection with the pressing claw fixing seat 34. The pressing claw fixing seat 34 can be arranged at different positions of the insulating block 33 according to different sizes of batteries. The pressing claw 35 can be fixed at different positions of the pressing claw fixing seat 34.

The fixing device 3 further comprises a battery detection device 5, wherein the battery detection device 5 comprises a detector 51 and an inductive contact 52 connected with the detector 51, and the inductive contact 52 is fixed at the lower end of the pressing claw 35. Before laser welding the battery 100 and the tab cover plate 200, the battery detection device 5 firstly tests the current and voltage of the battery 100 to determine whether the battery 100 is qualified, the qualified battery 100 is subjected to laser welding, the unqualified battery 100 is not subjected to laser welding, the turntable stops rotating, and the detector 51 gives an alarm to contact with a worker for processing.

The cam 44 is provided on the underside of the gripper device 22 at the third station 8. The cam 44 contacts with the first clamping device 22, and when the first clamping device 22 contacts with the top of the cam 44, the sliding block 262 is driven to slide inwards and outwards within the limit of the guiding shaft 264, so as to drive the fourth limiting block 263 to move outwards, so that the position of the battery tray is increased, and the welded battery 100 and the tab cover plate 200 can be conveniently taken. When the turntable continues to rotate, the clamping device 22 at the third station 8 operates to the fourth station, the bearing 267 is separated from the cam 44, the bearing 267 is free from force, and the slide block 262 returns to the original position under the action of the compression spring 265.

The utility model discloses in, place battery 100 and utmost point ear apron 200 on the battery support groove of the clamping device 22 of first station 6, rolling disc 21 rotates 90, it puts 22 to second station 7 to drive the clamping device on the first station 6, cylinder 32 starts, it pushes down battery 100 and utmost point ear apron 200 automatically to drive the pressure claw 35, the response contact 52 contact battery 100 on the pressure claw 35, it is qualified to detect battery 100, then laser welds required welded position through briquetting through-hole 38, cylinder 32 drives the pressure claw 35 after welding well and mentions, rolling disc 21 rotates 90 once more, with the clamping device 22 running device who has welded the battery on the second station 7 move to third station 8, bearing 267 conflict cam 44, it slides to drive slider 262, thereby drive fourth stopper 263 outwards motion, thereby the position increase of battery support groove, conveniently take the battery, rolling disc 21 drives clamping device 22 on the first station 6 and moves to second station 7 and detects and welds second station 7 simultaneously And (6) connecting. The turntable is rotated again by 90 degrees, the turntable 21 is rotated, the clamping device 22 on the third station 8 is operated to the fourth station 9, and the battery 100 and the tab cover plate 200 are placed and prepared.

The clamping devices 22 of the first station 6 and the fourth station 9 are used for taking and placing the battery 100 and the tab cover plate 200 so as to keep up with the laser welding speed of the second station 7 and ensure the maximum utilization rate of the machine.

The automatic circulation is realized in such a cycle, the welding efficiency can be effectively improved, the yield of the welded parts is ensured, and the production cost is reduced.

If the battery is detected to be unqualified, laser welding is not carried out, the rotating disc 21 rotates to the preset angle again, when the rotating disc 21 drives the clamping device 22 with the welded battery to the position of the cam 44, the pressing claw 35 automatically presses the battery 100 and the lug cover plate 200, and laser starts to work.

The utility model discloses rolling disc 21 and clamping device 22's design, preparation are succinct, and adjustment, dismantlement have also simplified many simple structure, and are practical convenient, and production efficiency is high.

Claims

1. A device for welding a battery comprises a base frame (1), wherein a rotatable clamping table (2) and a fixing device (3) are fixedly connected to the base frame (1), the fixing device (3) is arranged on the side surface of the clamping table (2), the clamping table (2) comprises a rotating disc (21) and a plurality of groups of clamping devices (22) which are uniformly distributed on the circumference of the rotating disc (21), the rotating disc (21) is connected with a driving device (4), the device is characterized in that the driving device (4) comprises a synchronous belt (41), a stepping motor (42), a cam divider (43) and a cam (44), the synchronous belt (41), the stepping motor (42) and the cam divider (43) are all fixed to the base frame (1), the synchronous belt (41) is in transmission connection with the stepping motor (42) and the cam divider (43), and the cam (44) is sleeved on the outer side of the cam divider (43), the rotating disc (21) is fixedly connected with the axis of the cam divider (43).

2. The device for battery welding according to claim 1, wherein the fixing device (3) comprises a fixing base (31), a cylinder (32), an insulating block (33), a pressing claw fixing seat (34) and a pressing claw (35), the fixing base (31) is fixed on the base frame (1), the cylinder (32) is fixed on the fixing base (31), the insulating block (33) is in transmission connection with the cylinder (32), the pressing claw fixing seat (34) is fixedly connected with the insulating block (33), the pressing claw (35) is fixed on the pressing claw fixing seat (34), and a first through hole (38) is formed in the pressing claw (35).

3. The device for battery welding according to claim 2, characterized in that the fixing device (3) is further provided with a battery detection device (5), the battery detection device (5) comprises a detector (51) and an inductive contact (52) connected with the detector (51), and the inductive contact (52) is fixed at the lower end of the pressing claw (35).

4. The device for battery welding according to claim 2, wherein the insulating block (33) is provided with a first key slot (36), the pressing claw fixing seat (34) is in threaded connection with the insulating block (33) through the first key slot (36) by a screw, the pressing claw fixing seat (34) is provided with a guide rail (37), and the pressing claw (35) is limited in the guide rail (37) and is in threaded connection with the pressing claw fixing seat (34).

5. The device for battery welding according to claim 4, wherein the clamping device (22) comprises a first stopper (23), a second stopper (24), a third stopper (25) fixed on the rotating disc (21), and a slider mechanism (26) fixedly connected to the rotating disc (21), the first stopper (23), the second stopper (24), the third stopper (25), and the slider mechanism (26) form a battery bracket, and the rotating disc (21) is provided with a space avoiding portion (27) at the outer side of the clamping device (22).

6. The device for battery welding according to claim 5, wherein the slider mechanism (26) comprises a slider mounting seat (261), a slider (262), a fourth limiting block (263), a guide shaft (264), a compression spring (265), a jackscrew (266) and a bearing (267), the slider mounting seat (261) is fixed on the rotating disc (21), the guide shaft (264) is hinged to the slider mounting seat (261), the slider (262) is movably connected with the guide shaft (264), the compression spring (265) is arranged between the slider (262) and the slider mounting seat (261) and sleeved outside the guide shaft (264), the jackscrew (266) is in threaded connection with the slider (262) and is abutted against the slider mounting seat (261), and the bearing (267) is fixed on the lower side of the slider (262).

7. The device for battery welding according to claim 6, wherein the first limiting block (23), the second limiting block (24) and the third limiting block (25) are provided with a second key slot (28), the first limiting block (23), the second limiting block (24) and the third limiting block (25) respectively pass through the second key slot (28) through screws to be in threaded connection with the rotating disc (21), the fourth limiting block (263) is provided with a third key slot (268), and the fourth limiting block (263) passes through the third key slot (268) through screws to be in threaded connection with the sliding block (262).

8. The device for battery welding as claimed in claim 7, wherein the sliding block (262) comprises an upper layer block (2621) and a lower layer block (2622) fixedly connected with the upper layer block (2621), a first threaded hole (2623) is formed in the top of the upper layer block (2621), a second through hole (2624) and a second threaded hole (2625) are formed in the side of the lower layer block (2622), a third threaded hole (2626) is formed in the bottom of the lower layer block (2622), the fourth limiting block (263) is screwed with the first threaded hole (2623) of the sliding block (262) by a screw passing through the key groove (268), the guide shaft (264) is sleeved in the second through hole (2624), the bearing (267) is screwed with the sliding block (262) by a screw passing through the third threaded hole (2626), and the jackscrew (266) is screwed with the second threaded hole (2625).

9. Device for battery welding according to claim 1, characterized in that the clamping means (22) are provided in four groups evenly distributed over the circumference of the rotating disc (21).