CN209792940U - Welding mechanism of battery module cover welding device - Google Patents
Welding mechanism of battery module cover welding device Download PDFInfo
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- CN209792940U CN209792940U CN201920169800.4U CN201920169800U CN209792940U CN 209792940 U CN209792940 U CN 209792940U CN 201920169800 U CN201920169800 U CN 201920169800U CN 209792940 U CN209792940 U CN 209792940U
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Abstract
The utility model relates to a battery module be built by contract welding set's welding mechanism belongs to lithium cell module production field. The electric welding mechanism comprises a welding device and a workpiece bearing device, wherein the welding device comprises a welding machine and a welding machine position adjusting mechanism used for adjusting the position of the welding machine, the workpiece bearing device comprises a fixing device and a rotating device, the fixing device is used for fixing a workpiece to be welded, and the rotating device is used for driving the fixing device to rotate. The utility model provides a workpiece bears the welding position of the adjustable work piece of device, and the welding set of being convenient for accomplishes the welding action.
Description
Technical Field
The utility model belongs to the technical field of lithium cell module production and specifically relates to a battery module be built by contract welding set's welding mechanism.
Background
In the production process of the lithium battery module, a plurality of battery units are arranged in parallel to form the battery module. As shown in fig. 7 and 8, a cover plate 102, an end cover plate 103, and an envelope structure 104 are sequentially assembled to both ends of a battery module 101. The cap plate 102 serves to collect electric power of each battery cell, and the terminal plate 103 serves to insulate and isolate the cap plate 102 from the outside. The cover plate 102 is clamped with the battery module 101, the end cover plate 103 is also clamped with the cover plate 102, and the envelope structure 104 is made of metal material and is arranged on the outer side of the end cover plate 103. The pack cover 105 covers the outside of the battery module 101 for reinforcing the battery module 101. The pack cover 105 is welded with the envelope structure 104 to form the battery module assembly 100.
Among the prior art, the welding between be built by contract and the envelope structure is generally produced through manual welding's mode, and not only production efficiency is low, but also influences the quality of lithium cell module.
Therefore, it is desirable to design an automatic welding apparatus that can improve efficiency. In order to realize the automatic welding of the battery module cover, the welding position of the welding machine must be automatically adjusted.
Disclosure of Invention
The utility model discloses to the problem that the manual welding of current lithium cell module is inefficient, provide a can realize automatic adjustment welding machine welding position's battery module be built by contract welding set's welding mechanism.
The technical scheme of the utility model as follows:
The utility model provides a battery module be built by contract welding set's welding mechanism for weld the be built by contract on battery module, this welding mechanism includes that welding set and work piece bear the device, and welding set includes welding machine and is used for adjusting the welding machine position adjustment mechanism of welding machine position, and the work piece bears the device and includes fixing device and rotary device, and fixing device is used for the fixed work piece of treating the welding, and rotary device is used for driving fixing device rotatory.
The workpiece bearing device can adjust the welding position of the workpiece, and the welding device can complete the welding action conveniently.
Further, the welding machine position adjusting mechanism comprises a front-back driving mechanism, a left-right driving mechanism and an up-down driving mechanism, the welding machine is mounted on the up-down driving mechanism, the up-down driving mechanism is mounted on the left-right driving mechanism, and the left-right driving mechanism is mounted on the front-back driving mechanism.
The welding machine position adjusting mechanism comprises a front driving mechanism, a rear driving mechanism, a left driving mechanism, a right driving mechanism and an upper driving mechanism, and the position of the welding machine in the space can be adjusted, so that the welding is facilitated.
Further, fixing device includes welded platform, front and back hold-down mechanism and controls hold-down mechanism, and front and back hold-down mechanism and control hold-down mechanism install respectively in welded platform's relative both sides.
The fixing device comprises a front pressing mechanism, a rear pressing mechanism, a left pressing mechanism and a right pressing mechanism, and can fix the workpieces from the two opposite sides of the workpieces, so that the fixing reliability is improved.
Furthermore, the front and rear pressing mechanisms comprise front and rear pressing blocks and front and rear pressing cylinders, the front and rear pressing blocks are mounted on the front and rear pressing cylinders, and the front and rear pressing cylinders drive the front and rear pressing blocks to press or loosen the workpiece to be welded.
The front and rear pressing mechanisms are combined by pressing blocks and cylinders, so that the structure is simple and the operation is convenient.
Further, control hold-down mechanism including driving actuating cylinder, controlling the briquetting, control and compress tightly cylinder, kicking block and kicking block cylinder, the kicking block is installed on the kicking block cylinder, the kicking block cylinder is installed and is being driven actuating cylinder, control the briquetting and install on controlling compressing cylinder, control compressing cylinder and install on driving actuating cylinder, drive actuating cylinder and drive kicking block cylinder and control compressing cylinder horizontal migration, control compressing cylinder and drive about the briquetting reciprocate, the kicking block cylinder drives the kicking block and stretches out or withdraw.
The left and right pressing mechanisms are combined by pressing blocks and cylinders, so that the structure is simple and the operation is convenient.
Furthermore, the rotating device comprises a rotating shaft and a rotating shaft driving mechanism, the welding platform is fixedly connected to the rotating shaft, and the rotating shaft driving mechanism drives the rotating shaft to rotate and further drives the welding platform to rotate.
The workpiece to be welded is rotated through the rotating device, so that other parts are welded, and the production efficiency is improved.
Furthermore, the welding mechanism further comprises a welding machine angle adjusting mechanism, the welding machine is mounted on the welding machine angle adjusting mechanism, and the welding machine angle adjusting mechanism is mounted on the upper driving mechanism and the lower driving mechanism.
The welding machine is arranged on the welding machine angle adjusting mechanism, so that the welding position of the welding machine can be adjusted conveniently.
further, the welding mechanism also comprises an air draft tube used for exhausting welding waste gas, and the air draft tube is installed on the welding machine.
The welding mechanism is provided with a ventilation barrel which can be used for extracting welding waste gas to protect the health of operators.
Further, the air draft tube is arranged on the air draft tube angle adjusting mechanism, and the air draft tube angle adjusting mechanism is arranged on the welding machine.
The air draft tube is arranged on the air draft tube angle adjusting mechanism, so that the position of the air draft tube is convenient to adjust, and the effect of extracting welding waste gas is improved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of a welding device according to the present invention.
Fig. 3 is a schematic perspective view of the fixing device of the present invention.
fig. 4 is a schematic perspective view of another view angle of the fixing device of the present invention.
Fig. 5 is a front view of the fixing device of the present invention.
Fig. 6 is a schematic perspective view of a rotating device according to the present invention.
Fig. 7 is an exploded view of a battery module assembly according to the present invention.
Fig. 8 is a schematic perspective view of a battery module assembly according to the present invention.
In fig. 1 to 8, the welding device comprises a welding mechanism 30, a welding device 31, a welding machine 311, a welding machine angle adjusting mechanism 3111, an air draft tube 3112, an air draft tube angle adjusting mechanism 3113, a welding machine position adjusting mechanism 312, a front and rear driving mechanism 3121, a left and right driving mechanism 3122, a top and bottom driving mechanism 3123, a displacement sensor 313, a workpiece bearing device 32, a fixing device 321, a welding platform 3210, a front and rear pressing mechanism 3211, a front and rear pressing block 3212, a front and rear pressing cylinder 3213, a left and right pressing mechanism 3214, and a driving cylinder 3215, the device comprises a left pressing block 3216, a right pressing cylinder 3217, a top block 3218, a top block cylinder 3219, a rotating device 322, a rotating shaft 3221, a rotating shaft driving mechanism 3222, a synchronous belt 3223, a rotating motor 3224, a photoelectric detector 323, a battery module assembly 100, a battery module 101, a cover plate 102, an end cover plate 103, an enveloping structural member 104, a bag cover 105, a first position 106 and a second position 107.
Detailed Description
in order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1, the utility model relates to a battery module be built by contract welding set's welding mechanism for weld the be built by contract on battery module.
The welding mechanism 30 includes a welding device 31 and a work carrier 32. The workpiece carrying device 32 can adjust the welding position of the workpiece, so that the welding device 31 can complete the welding action conveniently.
The welding device 31 includes a welding machine 311 and a welding machine position adjustment mechanism 312 for adjusting the position of the welding machine 311. The welder 311 generally employs a laser welder.
As shown in fig. 2, the welding machine position adjustment mechanism 312 includes a front-rear drive mechanism 3121, a left-right drive mechanism 3122, and a vertical drive mechanism 3123, the welding machine 311 is mounted on the vertical drive mechanism 3123, the vertical drive mechanism 3123 is mounted on the left-right drive mechanism 3122, and the left-right drive mechanism 3122 is mounted on the front-rear drive mechanism 3121. The front-back driving mechanism 3121, the left-right driving mechanism 3122 and the up-down driving mechanism 3123 may adopt any structure in the prior art, and generally adopt a screw-slide structure, which is not described herein again.
The welding machine position adjusting mechanism 312 includes a front-rear driving mechanism, a left-right driving mechanism, and an up-down driving mechanism, and can adjust the position of the welding machine 311 in space, thereby facilitating welding.
As shown in fig. 1, the workpiece carrier 32 includes a fixing device 321 and a rotating device 322, the fixing device 321 is used for fixing the workpiece to be welded, and the rotating device 322 is used for driving the fixing device 321 to rotate.
As shown in fig. 3, 4 and 5, the fixing device 321 includes a welding platform 3210, a front-back pressing mechanism 3211, and left-right pressing mechanisms 3214, and the front-back pressing mechanism 3211 and the left-right pressing mechanisms 3214 are respectively installed at opposite sides of the welding platform 3210.
The fixing device 321 includes a front and rear pressing mechanism 3211 and a left and right pressing mechanism 3214, and can fix the workpiece from opposite sides thereof, thereby improving the reliability of the fixation.
The front and rear pressing mechanisms 3211 comprise front and rear pressing blocks 3212 and front and rear pressing cylinders 3213, the front and rear pressing blocks 3212 are mounted on the movable portion of the front and rear pressing cylinders 3213, and the front and rear pressing cylinders 3213 drive the front and rear pressing blocks 3212 to move on the guide rail, so that the workpiece to be welded is pressed or loosened. The front and rear pressing blocks 3212 are provided with channels for allowing gaps to flow out of the welding position.
The front and rear pressing mechanisms 3211 adopt a combination of a pressing block and an air cylinder, and are simple in structure and convenient to operate.
The left and right compressing mechanisms 3214 comprise a driving cylinder 3215, left and right compressing blocks 3216, a left and right compressing cylinder 3217, a top block 3218 and a top block cylinder 3219, the top block cylinder 3219 and the left and right compressing cylinders 3217 are mounted on the movable part of the driving cylinder 3215 through a connecting plate, the top block 3218 is mounted on the movable part of the top block cylinder 3219, and the left and right compressing blocks 3216 are mounted on the movable part of the left and right compressing cylinders 3217.
The driving cylinder 3215 drives the jacking block cylinder 3219 and the left and right pressing cylinders 3217 to move horizontally, the left and right pressing cylinders 3217 drive the left and right pressing blocks 3216 to move up and down, and the jacking block cylinder 3219 drives the jacking block 3218 to extend or retract.
The left and right pressing mechanisms 3214 adopt a combination of a pressing block and an air cylinder, and have a simple structure and convenient operation.
As shown in fig. 1, the workpiece carrier 32 is further provided with a photo detector 323, and the photo detector 323 is used for detecting whether the fixing device 321 is loaded or unloaded, so as to prevent the laser of the laser welding machine from being triggered by mistake.
as shown in fig. 6, the rotating device 322 includes a rotating shaft 3221 and a rotating shaft driving mechanism 3222, and the welding platform 3210 is fixedly connected to the rotating shaft 3221. The spindle driving mechanism 3222 generally adopts a synchronous belt structure, and includes a synchronous belt 3223 and a rotating motor 3224, wherein the rotating motor 3224 of the spindle driving mechanism 3222 operates to drive the spindle 3221 to rotate through the synchronous belt 3223, and further, the welding platform 3210 is driven to rotate, generally, by 180 degrees. The workpiece to be welded is rotated by the rotating device 322, so that other parts are welded, and the production efficiency is improved.
As shown in fig. 2, the welding mechanism 30 further includes a welding machine angle adjusting mechanism 3111, the welding machine 311 is mounted on the welding machine angle adjusting mechanism 3111, and the welding machine angle adjusting mechanism 3111 is mounted on the up-down driving mechanism 3123. The welding machine 311 is mounted on the welding machine angle adjusting mechanism 3111, which facilitates adjustment of the welding position of the welding machine 311.
The welding mechanism 30 further includes an exhaust cylinder 3112 for extracting welding waste gas, and the exhaust cylinder 3112 is mounted on the welding machine 311. The welding mechanism 30 is provided with an exhaust barrel 3112, which can be used for extracting welding waste gas to protect the health of operators.
The draft tube 3112 may also be mounted on a draft tube angle adjustment mechanism 3113, which draft tube angle adjustment mechanism 3113 is mounted on the welding machine 311. The draft tube 3112 is installed on the draft tube angle adjustment mechanism 3113, is convenient for adjust the position of draft tube 3112, improves the effect of taking out welding waste gas.
Optionally, the welding mechanism 30 further includes a displacement sensor 313, and the displacement sensor 313 is used for measuring an accurate distance from the laser welding machine 311 to a welding point on a plane to be welded, so that the front and rear driving mechanism 3121 drives the laser welding machine 311 to move to a most suitable position, and it is ensured that the welding point is always at a most suitable welding position, thereby ensuring welding quality.
The movement steps of the welding mechanism 30 are as follows:
1. The front and rear pressing mechanisms 3211 and the left and right pressing mechanisms 3214 in the fixing device 321 press the pack cover and the battery module;
2. The driving mechanisms in three directions in the welding mechanism 30 drive the laser welding machine 311 to a predetermined position, the position is obtained by pre-calibration, the distance from the laser welding machine 311 to a welding spot is finely adjusted according to the distance detected by the distance sensor after the position is in place, and welding is performed after the adjustment is completed;
3. the laser welding machine 311 is firstly welded at the first position 106 from top to bottom, welding points are a straight line, the left and right driving mechanism 3122 drives the laser welding machine 311 to move to the second position 107, and the welding is carried out on the second position 107 in the same way;
4. The laser welding machine 311 retracts a certain distance, and the rotating device 322 drives the fixing device 321 to rotate 180 degrees;
5. The welding mechanism 30 welds the third position and the fourth position in the same welding manner, and the moving step is the same as the welding manner of the first position 106 and the second position 107;
6. after the welding is completed, the mechanisms return to the original positions.
The invention has been described above with a certain degree of particularity and detail. It will be understood by those of ordinary skill in the art that the description of the embodiments is merely exemplary and that all changes that may be made without departing from the true spirit and scope of the present invention are intended to be within the scope of the present invention. The scope of the invention is defined by the appended claims rather than by the foregoing description of the embodiments.
Claims (9)
1. The welding mechanism of the battery module cover welding device is used for welding a cover on a battery module and is characterized by comprising a welding device and a workpiece bearing device, wherein the welding device comprises a welding machine and a welding machine position adjusting mechanism used for adjusting the position of the welding machine, the workpiece bearing device comprises a fixing device and a rotating device, the fixing device is used for fixing a workpiece to be welded, and the rotating device is used for driving the fixing device to rotate.
2. the welding mechanism of the battery module cover welding device according to claim 1, wherein the welding machine position adjusting mechanism comprises a front and rear driving mechanism, a left and right driving mechanism, and an up and down driving mechanism, the welding machine is mounted on the up and down driving mechanism, the up and down driving mechanism is mounted on the left and right driving mechanism, and the left and right driving mechanism is mounted on the front and rear driving mechanism.
3. The welding mechanism of the battery module cover welding device according to claim 1, wherein the fixing device comprises a welding platform, a front-back pressing mechanism and a left-right pressing mechanism, and the front-back pressing mechanism and the left-right pressing mechanism are respectively installed at two opposite sides of the welding platform.
4. The welding mechanism of the battery module cover welding device according to claim 3, wherein the front and rear pressing mechanisms comprise front and rear pressing blocks and front and rear pressing cylinders, the front and rear pressing blocks are mounted on the front and rear pressing cylinders, and the front and rear pressing cylinders drive the front and rear pressing blocks to press or loosen the workpieces to be welded.
5. The welding mechanism of the battery module cover welding device according to claim 3, wherein the left and right pressing mechanisms comprise a driving cylinder, left and right pressing blocks, left and right pressing cylinders, a top block and a top block cylinder, the top block is mounted on the top block cylinder, the top block cylinder is mounted on the driving cylinder, the left and right pressing blocks are mounted on the left and right pressing cylinders, the left and right pressing cylinders are mounted on the driving cylinder, the driving cylinder drives the top block cylinder and the left and right pressing cylinders to move horizontally, the left and right pressing cylinders drive the left and right pressing blocks to move up and down, and the top block cylinder drives the top block to extend or retract.
6. The welding mechanism of the battery module cover welding device according to claim 3, wherein the rotating device comprises a rotating shaft and a rotating shaft driving mechanism, the welding platform is fixedly connected to the rotating shaft, and the rotating shaft driving mechanism drives the rotating shaft to rotate and further drives the welding platform to rotate.
7. The welding mechanism of the battery module cover welding device according to claim 2, wherein the welding mechanism further comprises a welding machine angle adjusting mechanism, the welding machine is mounted on the welding machine angle adjusting mechanism, and the welding machine angle adjusting mechanism is mounted on the up-and-down driving mechanism.
8. The welding mechanism of battery module be built by contract welding set of claim 1, characterized in that, welding mechanism still includes the convulsions section of thick bamboo that is used for taking out welding waste gas, convulsions section of thick bamboo install in on the welding machine.
9. The welding mechanism of the battery module cover welding device of claim 8, wherein the suction tube is mounted on a suction tube angle adjustment mechanism, and the suction tube angle adjustment mechanism is mounted on the welding machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920169800.4U CN209792940U (en) | 2019-01-30 | 2019-01-30 | Welding mechanism of battery module cover welding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920169800.4U CN209792940U (en) | 2019-01-30 | 2019-01-30 | Welding mechanism of battery module cover welding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209792940U true CN209792940U (en) | 2019-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920169800.4U Active CN209792940U (en) | 2019-01-30 | 2019-01-30 | Welding mechanism of battery module cover welding device |
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| Country | Link |
|---|---|
| CN (1) | CN209792940U (en) |
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- 2019-01-30 CN CN201920169800.4U patent/CN209792940U/en active Active
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