CN210046206U - Clamping mechanism and pre-spot welding equipment - Google Patents

Clamping mechanism and pre-spot welding equipment Download PDF

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Publication number
CN210046206U
CN210046206U CN201920476490.0U CN201920476490U CN210046206U CN 210046206 U CN210046206 U CN 210046206U CN 201920476490 U CN201920476490 U CN 201920476490U CN 210046206 U CN210046206 U CN 210046206U
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China
Prior art keywords
cylinder
clamping
clamping mechanism
plate
disposed
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CN201920476490.0U
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Chinese (zh)
Inventor
严俊可
刘洪峰
苏舟
杨迅
高云松
黄祥虎
高云峰
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Shenzhen Han's Lithium Battery Intelligent Equipment Co ltd
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Han s Laser Technology Industry Group Co Ltd
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Abstract

The utility model relates to a fixture and spot welding equipment in advance, this fixture include mounting panel, lifting unit, rotating assembly and centre gripping subassembly, lifting unit locates the mounting panel, the mounting panel has been seted up and has been dodged the mouth, rotating assembly passes dodge the mouth and locate lifting unit with between the clamping assembly, rotating assembly includes servo motor and hollow rotary platform, servo motor is used for driving hollow rotary platform rotates. The rotary component of the clamping mechanism is matched with the hollow rotary platform through the servo motor, and the hollow rotary platform comprises the speed reducer, so that the rotary component can keep a high-speed rotating state under a large load condition, the workpiece is driven to rotate quickly, and the machining efficiency is improved.

Description

Clamping mechanism and pre-spot welding equipment
Technical Field
The utility model relates to a power battery manufacturing field especially relates to a fixture and spot welding equipment in advance.
Background
In the production of the square-shell power battery, the shell and the cover plate need to be sealed and welded. In order to improve the welding yield, pre-spot welding is generally performed before welding. The spot welding equipment comprises a clamping mechanism used for grabbing the batteries and transferring the batteries to each station for operation. The existing clamping mechanism has the problem of low efficiency and prolonged production beat.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a clamping mechanism and a pre-spot welding device to solve the problem of low efficiency of the existing clamping mechanism.
The utility model provides a clamping mechanism, includes mounting panel, lifting unit, rotating assembly and centre gripping subassembly, lifting unit locates the mounting panel, the mounting panel has been seted up and has been dodged the mouth, rotating assembly passes dodge the mouth and locate lifting unit with between the centre gripping subassembly, rotating assembly includes servo motor and hollow rotary platform, servo motor is used for driving hollow rotary platform rotates.
Above-mentioned fixture, rotating assembly adopt servo motor and cavity rotary platform to cooperate, and cavity rotary platform contains the speed reducer for rotating assembly can keep high-speed rotation state under great load condition, thereby drives the work piece fast revolution, improves machining efficiency.
In one embodiment, the clamping assembly comprises an air cylinder and two clamping jaws, the air cylinder is used for driving the two clamping jaws to clamp a workpiece, and the clamping assembly comprises an air cylinder sensor used for detecting the position of an air cylinder piston.
In one embodiment, the rotating assembly further comprises an electric slip ring, the electric slip ring comprises a stator and a rotor, the rotor is arranged on the hollow rotating platform, the cylinder sensor is connected to a lead wire on the rotor, and the lead wire on the stator is connected with a control system.
In one embodiment, the cylinder is connected with an air inlet pipeline and an air outlet pipeline, a through hole is formed in the middle of the rotor, and the air inlet pipeline and the air outlet pipeline penetrate through the through hole.
In one embodiment, the clamping assembly further comprises a mounting seat and a reference plate, the reference plate is arranged on the mounting seat, and the reference plate and the two clamping jaws enclose to form a clamping portion.
In one embodiment, the clamping assembly further comprises two connecting rods, one end of each connecting rod is connected to the mounting seat, the other end of each connecting rod is connected to the reference plate, and the air cylinder is arranged between the mounting seat and the reference plate.
In one embodiment, the lifting assembly comprises a servo electric cylinder, a support plate and a plurality of guide rods, the servo electric cylinder is arranged on the support plate, the guide rods are arranged between the support plate and the mounting plate, the rotating assembly comprises a matching plate, and the matching plate is slidably arranged on the guide rods and connected with the output end of the servo electric cylinder.
A pre-spot welding device comprises the clamping mechanism.
In one embodiment, the tack welding apparatus further comprises a linear module for moving the clamping mechanism.
In one embodiment, the pre-spot welding equipment further comprises a supporting table, the supporting table is arranged in parallel with the linear modules, the supporting table is provided with a guide rail, and the mounting plate can slide along one of the guide rails under the driving of the linear modules.
Drawings
FIG. 1 is a schematic diagram of a pre-spot welding apparatus in one embodiment;
FIG. 2 is a schematic view of a clamping mechanism of the pre-spot welding apparatus shown in FIG. 1;
FIG. 3 is an exploded view of the clamping mechanism shown in FIG. 2;
FIG. 4 is a schematic view of a clamping assembly of the clamping mechanism of FIG. 2;
fig. 5 is a schematic structural view of a rotating assembly in the clamping mechanism shown in fig. 2.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
A pre-spot welding device 100 can be used for pre-spot welding of a square-shell power battery and can also be used for welding other workpieces, and the specific embodiment of the pre-spot welding device is not limited to the device.
Referring to fig. 1, the pre-spot welding apparatus 100 includes a clamping mechanism 10 and a linear module 20, wherein the linear module 20 is used for driving the clamping mechanism 10 to move so as to transfer the battery to different processing stations.
The pre-spot welding equipment 100 further comprises a support table 30, the support table 30 is arranged in parallel with the linear module 20, the support table 30 is provided with a guide rail 31, and the clamping mechanism 10 can slide along one of the guide rails 31 under the driving of the linear module 20. Linear module 20 drives fixture 10 motion's in-process, and fixture 10's both ends slide along guide of linear module 20 and guide rail 31 on the brace table 30 respectively, and linear module 20 and brace table 30 form the supporting role to fixture 10 jointly, avoid fixture 10 to take place to rock at the removal in-process for fixture 10's motion is more steady, is favorable to improving welding precision.
In one embodiment, the number of the clamping mechanism 10 and the number of the linear modules 20 are two, the supporting platform 30 is disposed between the two linear modules 20, and the supporting platform 30 is provided with two guide rails 31. The two clamping mechanisms 10 operate independently of each other, which is beneficial to improving the production efficiency.
Referring to fig. 2, the clamping mechanism 10 includes a mounting plate 11, a lifting assembly 12, a rotating assembly 13 and a clamping assembly 14, the lifting assembly 12 is disposed on the mounting plate 11, the mounting plate 11 is provided with an avoiding opening 11a, the rotating assembly 13 passes through the avoiding opening 11a and is disposed between the lifting assembly 12 and the clamping assembly 14, the rotating assembly 13 includes a servo motor 131 and a hollow rotating platform 132, and the servo motor 131 is used for driving the hollow rotating platform 132 to rotate.
The clamping mechanism 10 is matched with the hollow rotary platform 132 through the servo motor 131 with a certain power, so that the rotary component 13 can keep a high-speed rotation state under a large load condition, a workpiece is driven to rotate rapidly, and the processing efficiency is improved. In addition, since the hollow rotating platform 132 is formed with a hollow structure, it is convenient for the passage of the wire and the air tube.
Referring to fig. 3, the lifting assembly 12 includes a servo electric cylinder 121, a supporting plate 122 and a plurality of guide rods 123, the servo electric cylinder 121 is disposed on the supporting plate 122, the guide rods 123 are disposed between the supporting plate 122 and the mounting plate 11, the rotating assembly 13 includes a matching plate 134, and the matching plate 134 is slidably disposed on the guide rods 123 and connected to an output end of the servo electric cylinder 121.
The mating plate 134 is disposed opposite the hollow rotating platform 132. A linear bearing 124 is disposed between the matching plate 134 and each guide rod 123, so that the matching plate 134 moves more smoothly along the guide rods 123.
The servo electric cylinder 121 comprises a servo motor and an electric cylinder, the servo electric cylinder 121 is a high-load electric cylinder, in an embodiment, the rated load of the electric cylinder is 45KG, the power of the servo motor is 750W, and the stable operation speed of the servo electric cylinder 121 can reach 500 mm/s.
Specifically, the number of the guide rods 123 is 4, and the 4 guide rods 123 are symmetrically arranged on the mounting plate 11. The guide rod 123 is arranged to guide the rotating assembly 13 when the rotating assembly 13 is driven by the lifting assembly 12 to ascend or descend, and the overall rigidity and stability of the clamping mechanism 10 are improved.
Referring to fig. 4, the clamping assembly 14 includes an air cylinder 141 and two clamping jaws 142, the air cylinder 141 is used for driving the two clamping jaws 142 to move towards each other to clamp the workpiece, and the clamping assembly 14 includes an air cylinder sensor for detecting the position of an air cylinder piston. The body end of the cylinder 141 is connected to one of the jaws 142, the push rod of the cylinder 141 is connected to the other jaw 142, the position of the piston is detected by a cylinder sensor, and the position signal is transmitted to the control system. The control system calculates the spacing between the two jaws 142 and compares it to the width of the workpiece to determine whether the workpiece is clamped.
It should be noted that, in order to avoid scratching the battery, the contact portion of the clamping jaw 142 and the workpiece is made of copper.
In order to facilitate welding of different sides of the workpiece, the rotating component 13 drives the clamping component 14 to rotate, and in order to avoid excessive twisting of the electrical connection line on the cylinder sensor, please refer to fig. 5, the rotating component 13 is further provided with an electrical slip ring 133. The electrical slip ring 133 includes a stator and a rotor, the stator is sleeved outside the rotor, and the electrical connection between the stator and the rotor is realized through an internal structure. During installation, the rotor is mounted on a hollow rotating platform 132, the cylinder sensors are connected to the leads on the rotor, and the leads on the stator are connected to the control system. In the process that the rotor rotates along with the hollow rotating platform 132, the stator keeps still, so that the electric connecting wire on the cylinder sensor also keeps still, and the phenomenon that the service life is influenced due to the fact that the electric connecting wire on the cylinder sensor is twisted and knotted is avoided.
The cylinder 141 is connected with an air inlet pipeline and an air outlet pipeline, a through hole is formed in the middle of the rotor, the air inlet pipeline and the air outlet pipeline penetrate through the through hole, and the position of the air inlet pipeline and the position of the air outlet pipeline can be limited by the through hole formed in the rotor. Because the inlet and outlet conduits are located in the middle of the hollow rotating platform 132, substantial rotation does not occur, avoiding tangling of the inlet and outlet conduits.
Referring to fig. 4, the clamping assembly 14 further includes a mounting base 143 and a reference plate 144, the reference plate 144 is disposed on the mounting base 143, and the reference plate 144 and the two clamping jaws 142 surround to form a clamping portion. When the lifting assembly 12 drives the clamping assembly 14 to approach the battery, the reference plate 144 abuts against the cover plate of the battery to press the cover plate and the housing together, so as to prevent the cover plate from tilting and affecting welding.
The clamping assembly 14 further comprises two connecting rods 145, one end of the connecting rod 145 is connected to the mounting base 143, the other end is connected to the reference plate 144, and the air cylinder 141 is disposed between the mounting base 143 and the reference plate 144.
It can be understood that the mounting seat 143 is provided with a through hole, which facilitates the passing of the electrical connection wires of the air inlet pipe, the air outlet pipe and the piston sensor of the cylinder 141.
Both ends of the cylinder 141 are protruded from the reference plate 144 to be connected to the jaw 142. Wherein, the body end of the cylinder 141 is connected to one of the clamping jaws 142, and the push rod of the cylinder 141 is connected to the other clamping jaw 142.
When the cylinder piston drives the push rod to extend, the two clamping jaws 142 are far away from each other, and the workpiece is loosened; when the cylinder piston drives the push rod to retract, the two clamping jaws 142 approach each other, and the workpiece is clamped.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a fixture, its characterized in that, includes mounting panel, lifting unit, rotating assembly and centre gripping subassembly, lifting unit locates the mounting panel, the mounting panel has been seted up and has been dodged the mouth, rotating assembly passes dodge the mouth and locate lifting unit with between the centre gripping subassembly, rotating assembly includes servo motor and hollow rotary platform, servo motor is used for driving hollow rotary platform rotates.
2. The clamping mechanism of claim 1, wherein said clamping assembly includes a cylinder and two jaws, said cylinder being configured to move said two jaws to clamp the workpiece, said clamping assembly including a cylinder sensor configured to detect a position of a piston of said cylinder.
3. The fixture of claim 2, wherein the rotating assembly further comprises an electrical slip ring, the electrical slip ring comprising a stator and a rotor, the rotor disposed on the hollow rotating platform, the cylinder sensor connected to leads on the rotor, the leads on the stator connected to a control system.
4. The clamping mechanism as recited in claim 3, wherein the cylinder is connected with an air inlet pipe and an air outlet pipe, a through hole is formed in the middle of the rotor, and the air inlet pipe and the air outlet pipe are arranged in the through hole in a penetrating manner.
5. The clamping mechanism of claim 2, wherein said clamping assembly further comprises a mounting block and a datum plate, said datum plate being disposed on said mounting block, said datum plate and two of said clamping jaws enclosing a clamping portion.
6. The clamping mechanism of claim 5, wherein said clamping assembly further comprises two connecting rods, one end of said connecting rods being connected to said mounting base and the other end of said connecting rods being connected to said datum plate, said air cylinder being disposed between said mounting base and said datum plate.
7. The clamping mechanism as recited in claim 1, wherein the lifting assembly comprises a servo-powered cylinder, a support plate and a plurality of guide rods, the servo-powered cylinder is disposed on the support plate, the guide rods are disposed between the support plate and the mounting plate, and the rotating assembly comprises a mating plate slidably disposed on the guide rods and connected to an output end of the servo-powered cylinder.
8. A tack welding apparatus comprising a fixture as claimed in any one of claims 1 to 7.
9. The tack welding apparatus of claim 8, further comprising a linear die set for moving the clamping mechanism.
10. The tack welding apparatus of claim 9, further comprising a support table disposed parallel to the linear die sets, the support table having a guide rail, the mounting plate being slidable along one of the guide rails by the linear die sets.
CN201920476490.0U 2019-04-08 2019-04-08 Clamping mechanism and pre-spot welding equipment Active CN210046206U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920476490.0U CN210046206U (en) 2019-04-08 2019-04-08 Clamping mechanism and pre-spot welding equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920476490.0U CN210046206U (en) 2019-04-08 2019-04-08 Clamping mechanism and pre-spot welding equipment

Publications (1)

Publication Number Publication Date
CN210046206U true CN210046206U (en) 2020-02-11

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CN201920476490.0U Active CN210046206U (en) 2019-04-08 2019-04-08 Clamping mechanism and pre-spot welding equipment

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113732600A (en) * 2021-08-30 2021-12-03 广东利元亨智能装备股份有限公司 Clamping and fixing device and clamping method thereof
CN114393303A (en) * 2022-01-25 2022-04-26 大族激光科技产业集团股份有限公司 Welding jig and laser welding equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113732600A (en) * 2021-08-30 2021-12-03 广东利元亨智能装备股份有限公司 Clamping and fixing device and clamping method thereof
CN114393303A (en) * 2022-01-25 2022-04-26 大族激光科技产业集团股份有限公司 Welding jig and laser welding equipment
CN114393303B (en) * 2022-01-25 2023-09-05 大族激光科技产业集团股份有限公司 Welding jig and laser welding equipment

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GR01 Patent grant
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TR01 Transfer of patent right

Effective date of registration: 20220901

Address after: 518000 workshop 501, building 3, intelligent manufacturing center park, No. 12, Chongqing Road, Heping community, Fuhai street, Bao'an District, Shenzhen City, Guangdong Province

Patentee after: Shenzhen Han's lithium battery intelligent equipment Co.,Ltd.

Address before: 518051 Dazu laser building, 9 new West Road, North Nanshan District high tech park, Shenzhen, Guangdong

Patentee before: HAN'S LASER TECHNOLOGY INDUSTRY GROUP Co.,Ltd.

TR01 Transfer of patent right