CN213497158U

CN213497158U - Laser welding device for battery cell and protective plate

Info

Publication number: CN213497158U
Application number: CN202022474343.5U
Authority: CN
Inventors: 牛艳华
Original assignee: Shenzhen Zhuoneng Technology Co ltd
Current assignee: Shenzhen Zhuoneng Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-06-22
Anticipated expiration: 2030-10-30

Abstract

The utility model discloses a laser welding device of electricity core and protection shield, it includes rotatable carousel, and the week side of carousel is equipped with the fixed tool of a plurality of electric cores. A first fixed baffle, a first movable baffle, a second fixed baffle and a second movable baffle are arranged around the battery cell fixing jig respectively. The lower sides of the first movable baffle and the second movable baffle are respectively provided with a side pushing assembly, the side pushing assembly comprises a movable block, a fixed block and a guide rod, and a spring is sleeved on the rod body of the guide rod protruding out of the ejector block. The fixed block is rotatably provided with a deflector rod, the vertical part of the deflector rod is abutted against the movable block, and the horizontal part of the deflector rod extends towards one side of the spring. And an upper ejection cylinder is arranged below the battery cell fixing jig positioned on the feeding side and the discharging side of the turntable, and when a pushing head of the upper ejection cylinder is ejected upwards, the driving lever is pushed to rotate and push the two movable blocks to drive the first movable baffle and the second movable baffle to move. The utility model discloses can solve the fixed tool high in manufacturing cost of electric core and the complicated problem of control of current laser welding device.

Description

Laser welding device for battery cell and protective plate

Technical Field

The utility model relates to a technical field of electricity core production facility, in particular to laser welding device of electricity core and protection shield.

Background

The existing laser welding equipment for the battery core and the protection plate is generally provided with four stations on a rotatable turntable mechanism, wherein the stations respectively correspond to a battery core feeding position, a protection plate feeding position, a laser welding position and a battery core discharging position, and a battery core fixing jig is correspondingly arranged on each station and used for fixing the battery core when the turntable mechanism rotates the stations, and meanwhile, the position of the battery core is fixed in the upper protection plate or the welding process so as to ensure the welding yield.

However, the fixed tool of electric core that current welding equipment adopted all adopts cylinder cooperation slider to press from both sides tight electric core, when the station conversion, always need cylinder drive slider to loosen or press from both sides tight electric core, for example, when the fixed tool of a certain electric core of carousel mechanism rotates electric core material loading level, this fixed tool of electric core just needs outwards to move back through cylinder drive slider, for electric core material loading provides sufficient region and holds electric core, place behind this fixed tool of electric core when electric core, press from both sides tightly by the cylinder again, rotate material level back under the electric core until this fixed tool of electric core, it loosens electric core when material is got to ejection of compact manipulator again.

Because the battery cell fixing jig at four stations is required to be provided with the air cylinder, the manufacturing cost is high, and the complexity of the whole laser welding equipment is increased.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model aims at providing a laser welding device of electricity core and protection shield aims at solving the problem that current laser welding device's the fixed tool manufacturing cost of electricity core and structure are complicated.

In order to achieve the above object, the utility model provides a laser welding device of electricity core and protection shield, including rotatable carousel, the week side of carousel is equipped with the fixed tool of a plurality of electric cores.

And a first fixed baffle, a first movable baffle arranged opposite to the first fixed baffle, a second fixed baffle and a second movable baffle arranged opposite to the second fixed baffle are arranged around the battery cell fixing jig respectively.

The side pushing assembly comprises a moving block, a fixed block and a guide rod, the moving block is arranged on the rotary table in a sliding mode, the fixed block is fixed on the rotary table, the guide rod penetrates through the fixed block and is connected with the moving block, and a spring is sleeved on the rod body, protruding out of the top block, of the guide rod.

The fixed block is rotatably provided with an L-shaped deflector rod, the vertical part of the deflector rod is abutted against the movable block, and the horizontal part of the deflector rod extends towards one side far away from the movable block.

And an upper ejection cylinder is arranged below the battery cell fixing jig on the feeding side and the discharging side of the turntable, and when a pushing head of the upper ejection cylinder is ejected upwards, the pushing rod is pushed to rotate and push the two moving blocks to drive the first movable baffle and the second movable baffle to move and drive the guide rod to compress the spring.

Optionally, the number of the guide rods of the side pushing assembly is two, and the two guide rods are respectively arranged on two sides of the shifting rod of the side pushing assembly.

Optionally, an installation seat is arranged at the end of a push rod of the upper jacking cylinder, and jacking blocks corresponding to the shifting rods of the two side pushing assemblies are arranged on the installation seat.

Optionally, a roller is arranged on the top block.

The utility model discloses an improve the structure of the fixed tool of electric core, be equipped with the side at the adjustable fender downside of the fixed tool of electric core and push away the subassembly, should incline and push away the subassembly including sliding to set up in the movable block of carousel, be fixed in the fixed block of carousel and cross the guide arm that the fixed block is connected with the movable block, the guide arm salient is equipped with the spring in the body of rod cover of kicking block. The fixed block is rotatably provided with an L-shaped deflector rod, the vertical part of the deflector rod is abutted against the movable block, and the horizontal part of the deflector rod extends towards one side of the spring. And an upper ejection cylinder is arranged below the battery cell fixing jig positioned on the feeding side and the discharging side of the turntable. When the pushing head of the upper ejection cylinder is ejected upwards, the shifting lever is pushed to rotate and push the two moving blocks to drive the first movable baffle and the second movable baffle to move and drive the guide rod to compress the spring.

Adopt the utility model provides a tool is fixed to electric core need not to set up the cylinder on every electric core fixed tool and drive the adjustable fender clamp and press electric core, only needs to set up the cylinder of pushing up in carousel feed side and ejection of compact side, when the carousel rotated the top of cylinder of pushing up, pushed up the cylinder by the top and promoted the driving lever and bulldoze the adjustable fender on the electric core fixed tool and can loosen the electric core on the tool, when this electric core fixed tool leaves feed side and ejection of compact side along with the carousel, then bulldoze adjustable fender by the spring and press from both sides tight electric core.

Compared with the prior art, the utility model discloses a structure is simpler, and is with low costs, the control of being convenient for.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a laser welding device for an electrical core and a protection plate according to the present invention;

fig. 2 is a schematic structural diagram of a turntable part in an embodiment of a laser welding apparatus for an electrical core and a protection plate according to the present invention;

fig. 3 is a schematic structural diagram of a side pushing assembly and an upper jacking cylinder in an embodiment of the laser welding device for the battery cell and the protection plate of the present invention;

FIG. 4 is a schematic view of the engagement of the topping cylinder with the side thrust assembly of the first flapper;

fig. 5 is a schematic view of the cooperation of the upper jacking cylinder and the side pushing assembly of the second movable baffle plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to the attached drawing 1 in the description, the embodiment of the present invention provides a laser welding apparatus for electrical core and protection shield, the laser welding apparatus for electrical core and protection shield includes a bottom plate 1, a rotatable turntable 2 is arranged on the bottom plate 1, and the circumferential side of the turntable 2 is sequentially provided with an electrical core loading position, a protection shield loading position, a laser welding position and an electrical core unloading position along the electrical core processing direction. The material loading level of electric core is equipped with material loading manipulator 3, and the below of material loading manipulator is equipped with the feeding conveyer belt 7 with last process butt joint, and when feeding conveyer belt 8 supplied materials, on carousel 2 was delivered to electric core by material loading manipulator 3. The protection shield material loading level is equipped with the workstation, and the workstation is close to one side of carousel 2 and is equipped with grating door 4, and protection shield material loading has the staff to put into carousel 2 with the protection shield manual work on the workstation, and when staff's hand passed grating door 4, equipment operation temporarily to guarantee staff's safety. And the laser welding position is provided with laser welding equipment 5 for welding the battery core and the protection plate together. The battery core blanking position is provided with a blanking manipulator 6 and a discharging conveyer belt 8, and the blanking manipulator and the discharging conveyer belt are used for transferring the welded battery core from the turntable 2 to the discharging conveyer belt 8 and conveying the battery core to the next station through the discharging conveyer belt 8.

As shown in fig. 2, four battery cell fixing jigs 20 are arranged on the periphery of the turntable 2, and in an initial state, the four battery cell fixing jigs 20 correspond to the battery cell loading position, the protection plate loading position, the laser welding position, and the battery cell unloading position, respectively.

The cell fixing jig 20 includes a substrate 201 fixed on the turntable 2, and a first fixed baffle 202, a first movable baffle 203 disposed opposite to the first fixed baffle 202, a second fixed baffle 204, and a second movable baffle 205 disposed opposite to the second fixed baffle 204 are disposed around the substrate 201. The lower surface of the turntable 2 is provided with side pushing components (2030, 2040) which are in one-to-one correspondence with the first movable baffle 203 and the second movable baffle 205.

As shown in fig. 4 (a), the side pushing assembly 2030 corresponding to the first movable stop 203 includes a fixed block 2031, a movable block 2032, a guide rod 2033, and a shift rod 2034. The movable block 2032 is slidably disposed on the base plate 201 along the transverse direction of the base plate 201, and has an extension part passing through the turntable and downward, and a side plate 2035 is disposed on the extension part. The fixed block 2031 fixes the lower surface of the turntable 2 and is disposed opposite to the side plate 2035. The guide rod 2033 traverses the fixed block 2031 and is connected to the side plate 2035, and a portion of the guide rod 2033 extends along the axial direction thereof to a side away from the fixed block 2031, the extending portion is sleeved with a spring 2036, one end of the spring 2036 abuts on the fixed block 2031, and the other side abuts on an edge projection of the extending portion of the guide rod 2033.

The shift rod 2034 is L-shaped, and its bent part is rotatably disposed on the fixed block 2031 via a rotating shaft 2037, its vertical part abuts against the side plate 2035, and its horizontal part extends to a side far from the side plate 2035.

As shown in fig. 5 (a), the side pushing assembly 2050 corresponding to the second flap 205 includes a fixed block 2051, a moving block 2052, a guide rod 2053, and a shift rod 2054. The moving block 2052 is slidably disposed on the base plate 201 along the longitudinal direction of the base plate 201, and has an extension portion passing through the turntable and downward, and a side plate 2055 is disposed on the extension portion. The stator 2051 fixes the lower surface of the turntable 2 and is disposed opposite to the side plate 2055. The guide rod 2053 traverses the fixed block 2051 and is connected to the side plate 2055, and a part of the guide rod 2053 extends along the axial direction of the guide rod to one side far away from the fixed block 2051, the extending part is sleeved with a spring 2056, one end of the spring 2056 abuts against the fixed block 2051, and the other side abuts against the edge projection of the extending part of the guide rod 2053.

The shift lever 2054 is L-shaped, and has a bent angle portion rotatably provided on the fixed block 2051 via a rotating shaft 2057, a vertical portion abutting against the side plate 2055, and a horizontal portion extending to a side away from the side plate 2055.

As shown in fig. 2, an upward pushing cylinder 21 is arranged below the cell fixing jig 20 at the carousel cell loading position and the carousel cell unloading position.

As shown in fig. 4 (b) and fig. 5 (b), when the pushing head of the upper pushing cylinder 21 is pushed upward, the pushing rod (2034, 2054) is pushed to rotate and push the moving block (2032, 2052) to drive the first movable baffle 203 and the second movable baffle 205 to move, and drive the guide rod (2033, 2053) to compress the spring (2036, 2056) to loosen the battery cell, so that the charging manipulator 3 can put the battery cell onto the battery cell fixing jig 20, or the discharging manipulator 6 can take the battery cell away from the battery cell fixing jig 20.

When the cell fixing jig 20 rotates along with the turntable 2 to leave the cell loading position or the cell unloading position, the cell fixing jig 20 moves the first movable baffle 203 and the second movable baffle 205 toward the center of the substrate 201 under the action of the springs (2033 and 2053), so as to clamp the cell.

Alternatively, as shown in fig. 3 to 5, in the present embodiment, the number of the guide rods (2033, 2053) of the side pushing assemblies (2030, 2050) is two, the two guide rods 2033 of the side pushing assembly 2030 are disposed on both sides of the shift rod 2034, and the two guide rods 2053 of the side pushing assembly 2050 are disposed on both sides of the shift rod 2054. Therefore, the sliding of the movable blocks (2032, 2052) is well guided, so that the movable blocks (2032, 2052) drive the first movable baffle 203 and the second movable baffle 205 to move smoothly.

Alternatively, as shown in fig. 4-5, in the present embodiment, the upper top cylinder 21 is fixed on the base plate 1 through a vertical plate 211, the end of the push rod is provided with a mounting seat 212, and the mounting seat 212 is provided with top blocks corresponding to the shift rods (2034, 2054) of the two side push assemblies (2030, 2050) one by one. Therefore, the first movable baffle 203 and the second movable baffle 205 can be pushed to release the battery cell by pushing the two shifting rods (2034 and 2054) at the same time through one top air cylinder 21.

Optionally, as shown in fig. 4-5, in this embodiment, rollers (213, 214) are provided on the two top blocks. When the jacking cylinder 21 ascends, the rollers (213 and 214) are in contact with the shift levers (2034 and 2054) so as to reduce the friction resistance between the jacking block and the shift levers (2034 and 2054) and prolong the service life of the shift levers (2034 and 2054).

The above is only the preferred embodiment of the present invention, not used in the present invention, and any slight modifications, equivalent replacements and improvements made by the technical entity of the present invention to the above embodiments should be included in the protection scope of the technical solution of the present invention.

Claims

1. A laser welding device of a battery core and a protective plate comprises a rotatable turntable, a plurality of battery core fixing jigs are arranged on the periphery of the turntable, and is characterized in that,

a first fixed baffle, a first movable baffle arranged opposite to the first fixed baffle, a second fixed baffle and a second movable baffle arranged opposite to the second fixed baffle are respectively arranged around the battery cell fixing jig;

the lower sides of the first movable baffle and the second movable baffle are respectively provided with a side pushing assembly, the side pushing assembly comprises a movable block arranged on the turntable in a sliding manner, a fixed block fixed on the turntable and a guide rod which traverses the fixed block and is connected with the movable block, and a spring is sleeved on a rod body of the guide rod protruding out of the top block;

the fixed block is rotatably provided with an L-shaped deflector rod, the vertical part of the deflector rod is abutted against the movable block, and the horizontal part of the deflector rod extends towards one side far away from the movable block;

2. The apparatus for laser welding of an electrical core and a protection plate according to claim 1, wherein the number of the guide rods of the side-pushing assembly is two, and the two guide rods are respectively disposed on two sides of the driving rod of the side-pushing assembly.

3. The apparatus for laser welding of an electrical core and a protection plate according to claim 1, wherein a mounting seat is disposed at an end of a push rod of the upper jacking cylinder, and jacking blocks corresponding to the shift rods of the two side pushing assemblies are disposed on the mounting seat.

4. The apparatus for laser welding of an electrical core and a protection plate according to claim 3, wherein the top block is provided with a roller.