CN210575883U - Solder strip feeding device and battery piece series welding equipment - Google Patents
Solder strip feeding device and battery piece series welding equipment Download PDFInfo
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- CN210575883U CN210575883U CN201921869519.8U CN201921869519U CN210575883U CN 210575883 U CN210575883 U CN 210575883U CN 201921869519 U CN201921869519 U CN 201921869519U CN 210575883 U CN210575883 U CN 210575883U
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Abstract
The utility model discloses a weld and take feedway and battery piece series welding equipment, it includes to weld and take feedway: a turntable configured to be rotatable; the welding strip taking clamp is arranged to be capable of clamping a welding strip and is arranged on the turntable; the solder strip releasing clamp is arranged to clamp the solder strip; the moving mechanism is connected with the welding strip releasing chuck to drive the welding strip releasing chuck to move between a transfer position and a welding strip releasing position; when the solder strip taking chuck rotates to the transfer position along with the rotary table, the solder strip releasing chuck moves to the transfer position under the driving of the moving mechanism to clamp the solder strip clamped by the solder strip taking chuck and moves to the preset solder strip releasing position to release the solder strip. The utility model provides a technical scheme has improved the feeding efficiency of welding the area in battery piece stringer to the production efficiency of battery piece stringer has been improved.
Description
Technical Field
The utility model belongs to photovoltaic cell production field especially relates to a weld and take feedway and battery piece series welding equipment.
Background
The cell string welding device is one of important devices in the production process of solar cells, and is used for welding single cells into a cell string. Before welding, a fixed-length welding strip needs to be laid on the battery piece in advance for fixing.
The traditional welding strip providing mode is that a clamping jaw stretches a welding strip forwards to a fixed length, then a cutter cuts the welding strip to the fixed length, the clamping jaw drives the fixed length welding strip to move forwards, the welding strip is laid on a welding conveying belt and stacked with battery pieces placed on the welding conveying belt, then the clamping jaw returns to the position of the welding strip, and the operation is repeated to form a cycle.
However, the solder strip feeding mode in the prior art has low efficiency, affects the production efficiency of the series welding equipment of the battery pieces and is not beneficial to actual production.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a weld and take feedway and battery piece stringer to solve among the prior art problem that welding feed mode is inefficient in the battery piece stringer.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a weld and take feedway, weld and take feedway includes:
a turntable configured to be rotatable;
the welding strip taking clamp is arranged to be capable of clamping a welding strip and is arranged on the turntable;
the solder strip releasing clamp is arranged to clamp the solder strip;
the moving mechanism is connected with the welding strip releasing chuck to drive the welding strip releasing chuck to move between a transfer position and a welding strip releasing position;
when the welding strip taking chuck rotates to the transfer position along with the rotary table, the welding strip releasing chuck moves to the transfer position under the driving of the moving mechanism to clamp the welding strip clamped by the welding strip taking chuck, and moves to the preset welding strip releasing position to release the welding strip.
Preferably, the solder strip releasing clamp is provided with two or more, and the two or more solder strip releasing clamps are arranged to alternately move to the transfer position to clamp the solder strip and move to a preset position to release the solder strip.
Preferably, the moving mechanism of each of the welding strip chucks includes a lateral moving mechanism that drives the welding strip chuck to move in a first direction and a longitudinal moving mechanism that drives the welding strip chuck to move in a second direction perpendicular to the first direction.
Preferably, at least two rows of the welding strip taking chucks are linearly arranged on the rotary table, and the at least two rows of the welding strip taking chucks are arranged at positions close to the edge along the circumferential direction of the rotary table.
Preferably, the welding strip feeding device further comprises a welding strip cutting mechanism, and the welding strip cutting mechanism is used for cutting off the welding strip after the welding strip is clamped by the welding strip clamping head.
Preferably, the welding strip feeding device further comprises a welding strip feeding mechanism for feeding a welding strip into the welding strip taking chuck, the welding strip feeding mechanism is located on one side, deviating from the rotary table, of the welding strip cutting structure, the welding strip is fed by the welding strip feeding mechanism, so that the welding strip passes through the welding strip cutting mechanism and enters the welding strip taking chuck.
Preferably, the welding strip feeding mechanism comprises a first feeding roller and a second feeding roller which can roll relatively, and the first feeding roller and the second feeding roller roll relatively to extrude and feed the welding strip clamped in the middle.
Preferably, the welding strip feeding device further comprises a driving mechanism, and the driving mechanism can drive the welding strip cutting mechanism and the welding strip feeding mechanism to move towards the rotary table and move away from the rotary table.
Preferably, the welding strip cutting mechanism and the welding strip feeding mechanism are arranged on one side of the turntable, which is far away from the welding strip placing chuck, and the welding strip taking chuck rotates 180 degrees to reach the transfer position after taking the welding strip from the welding strip cutting mechanism;
or, the welding strip cutting mechanism and the welding strip feeding mechanism are opposite to the welding strip placing chuck, the center of the rotary table is arranged at a right angle, and the welding strip taking chuck is arranged at the position where the welding strip is taken by the welding strip cutting mechanism and then rotates by 90 degrees to reach the transfer position.
According to another aspect of the present invention, there is also provided a battery piece series welding apparatus, which comprises a welding conveying device, a welding device, a battery piece feeding device and the welding strip feeding device;
the battery plate feeding device supplies battery plates to the welding and conveying device;
the solder strip placing chuck of the solder strip feeding device places a solder strip on the welding and conveying device, and enables the battery plate and the solder strip on the welding and conveying device to be stacked;
the welding conveying device conveys the stacked battery pieces and the welding strips to a welding station;
and the welding device welds the battery piece and the welding strip at the welding station to form a battery string.
The utility model provides an among the technical scheme, drive through the carousel and press from both sides getting of getting the solder strip chuck and rotate, get the solder strip chuck and will press from both sides the solder strip handing-over of getting when rotating to predetermineeing the position and put and weld the mode that the tape was placed for putting the solder strip chuck, compare the solder strip among the prior art and provide the mode, efficient, saved and provided the time of welding the area to battery piece stringer to the production efficiency of battery piece stringer has been improved.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
FIG. 1 is a schematic view of a solder strip feeding apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view showing a state in which a solder strip is taken out from a solder strip feeding device and a solder strip clamping head clamps a solder strip;
FIG. 3 is a schematic view of a solder strip placing chuck in the solder strip feeding device gripping a solder strip from a solder strip taking chuck and placing the solder strip;
FIG. 4 is a schematic view showing another state in which the solder ribbon placing chuck grips the solder ribbon from the solder ribbon taking chuck and places the solder ribbon in the solder ribbon feeding apparatus.
Description of reference numerals:
1-a turntable; 2, taking a welding strip chuck; 3-a first solder strip releasing clamp; 4-a second solder strip chuck; 5-a welding strip cutting mechanism; 6-solder strip feeding mechanism; 7-welding a strip; 8-pressure welding a belt tool; 100-welding conveying device.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, components, devices, steps, and the like. In other instances, well-known structures, methods, devices, implementations, materials, or operations are not shown or described in detail to avoid obscuring aspects of the disclosure.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may also be otherwise oriented, such as by rotation through 90 degrees or at other orientations and the spatially relative descriptors used herein interpreted accordingly.
The utility model provides a weld and take feedway, as shown in FIG. 1, should weld and take feedway includes:
the rotary table comprises a rotary table 1, wherein the rotary table 1 is arranged to be capable of rotating;
the welding strip taking clamp 2 is arranged to be capable of clamping a welding strip, and the welding strip taking clamp 2 is arranged on the turntable 1;
the solder strip releasing clamp is arranged to clamp the solder strip;
the moving mechanism is connected with the welding strip releasing chuck to drive the welding strip releasing chuck to move between a transfer position and a welding strip releasing position;
when the welding strip taking chuck 2 rotates to the transfer position along with the rotary table 1, the welding strip releasing chuck moves to the transfer position under the driving of the moving mechanism to clamp the welding strip clamped by the welding strip taking chuck 2 and moves to the preset welding strip releasing position to release the welding strip.
The utility model provides a weld and take feedway drives through carousel 1 and presss from both sides getting of taking the welding strip and weld and take chuck 2 and rotate, gets and welds and take chuck 2 and will press from both sides the welding strip handing-over when rotating to predetermineeing the position and put and weld the mode that takes the chuck and place the welding strip for putting, compares the welding strip among the prior art and provide the mode, and is efficient, has saved and has provided the time of welding the strip to battery piece series welding equipment to the production efficiency of battery piece series welding equipment has been improved.
In the utility model discloses a preferred embodiment, get and weld tape chuck 2 and be in the straight line has arranged two row at least on carousel 1, two row at least get and weld tape chuck 2 and follow the circumference of carousel 1 is arranging in the position that is close to the edge. In this way, at least two sets of solder strips can be provided for each revolution of the turntable 1.
It should be understood that, since a group of solder strips needs to be placed at the same time in the series welding equipment for the battery piece, a row of solder strip clamping heads 2 is needed to clamp a group of solder strips each time the solder strips are taken.
As shown in fig. 1, four rows of the welding strip taking chucks 2 are arranged on the rotary table 1, the four rows of the welding strip taking chucks 2 are arranged at positions close to the edge along the circumferential direction of the rotary table 1, after the welding strip is taken from one row and clamped by the welding strip chucks 2, the welding strip is rotated by 90 degrees, the other row of the welding strip taking chucks 2 rotates to the position where the welding strip is taken, the welding strip clamped by the welding strip taking chucks 2 at the transfer position is transferred to the clamp placing welding strip chucks, the welding strip is placed by the clamp placing welding strip chucks, and the process is repeated, so that a group of welding strips can be provided when the rotary table 1 rotates by 90 degrees.
Of course, as can be understood by those skilled in the art, what is shown in fig. 1 is that one row of welding strip chucks 2 is arranged on the turntable 1 at intervals of 90 °, one row of welding strip chucks 2 may also be arranged at intervals of 60 °, or one row of welding strip chucks 2 is arranged at intervals of 180 ° (i.e., one row of welding strip chucks 2 is arranged on two opposite sides of the turntable), or other angles are arranged at intervals, and of course, the present invention does not exclude that only one row of welding strip chucks 2 are arranged.
In this embodiment, the solder strip releasing chucks are provided with two or more, and the two or more solder strip releasing chucks are arranged to alternately move to the transfer position to clamp the solder strip and move to the preset solder strip releasing position to release the solder strip, so that the solder strip taking speed can be increased.
Specifically, as shown in fig. 1, the solder strip releasing clamp includes a first solder strip releasing clamp 3 and a second solder strip releasing clamp 4, the first solder strip releasing clamp 3 and the second solder strip releasing clamp 4 alternately move to the transfer position to clamp the solder strip of the solder strip taking clamp 2 located at the transfer position, and then move to the preset position of the welding conveyor 100 to place the group of clamped solder strips on the welding conveyor 100.
It will be appreciated that three or more solder strip chucks may be provided to alternately transfer solder strip.
Preferably, the moving mechanism of each of the welding strip chucks includes a lateral moving mechanism that drives the welding strip chuck to move in a first direction and a longitudinal moving mechanism that drives the welding strip chuck to move in a second direction perpendicular to the first direction.
As shown in fig. 3 and 4, the first solder strip placing chuck 3 and the second solder strip placing chuck 4 are respectively provided with a transverse moving mechanism and a longitudinal moving mechanism (not shown), and during the process of transferring the solder strips by each solder strip placing chuck, for example, the first solder strip placing chuck 3 is moved towards the transfer position by the transverse moving mechanism, then is lowered to the height of the solder strip taking chuck 2 by the longitudinal moving mechanism, grips the solder strips gripped by the solder strip taking chuck 2, then is moved towards the solder strip placing position by the transverse moving mechanism to place the solder strips at the preset position, is lifted by the longitudinal moving mechanism after the placement is finished, and is moved towards the transfer position again by the transverse moving mechanism, and the cycle is performed. Likewise, the second welding strip holder 4 is also moved by the transverse moving mechanism and the longitudinal moving mechanism to alternately cycle with the first welding strip holder 3.
Of course, the moving mechanism of each solder strip chuck is not limited to the above-described form including the transverse moving mechanism and the longitudinal moving mechanism, and for example, each solder strip chuck may be provided on a robot hand, and each solder strip chuck may be cyclically and alternately moved by the robot hand.
In this embodiment, as shown in fig. 1 and 2, the welding strip feeding device further includes a welding strip cutting mechanism 5, and the welding strip cutting mechanism 5 cuts off the welding strip after the welding strip is clamped by the welding strip clamping head.
The welding strip feeding device further comprises a welding strip feeding mechanism 6 used for feeding welding strips into the welding strip taking chuck 2, the welding strip feeding mechanism 6 is located on one side, deviating from the rotary table 1, of the welding strip cutting structure 5, the welding strip feeding mechanism 5 feeds the welding strips, the welding strips pass through the welding strip cutting mechanism 5 and enter the welding strip taking chuck 2.
Preferably, the solder strip feeding mechanism 6 comprises a first feed roller and a second feed roller which can roll relatively, and the relative rolling of the first feed roller and the second feed roller extrudes and feeds the solder strip clamped in the middle. It will be understood by those skilled in the art that the solder ribbon feeding mechanism 6 is not limited to the roll feeding by the first and second feed rollers, and may be a mechanism of holding the solder ribbon and pulling the solder ribbon to feed the solder ribbon into the solder ribbon take-up head 2.
In the embodiment shown in fig. 1, the welding strip cutting mechanism 5 and the welding strip feeding mechanism 6 are arranged on one side of the rotary table 1 deviating from the welding strip placing chuck, and the welding strip taking chuck 2 rotates 180 degrees to reach the transfer position after the welding strip is clamped by the welding strip cutting mechanism 5.
It will be appreciated that the solder ribbon cutting mechanism 5 and the solder ribbon feeding mechanism 6 may be disposed at other angular positions of the turntable 1. For example, the solder ribbon cutting mechanism 5 and the solder ribbon feeding mechanism 6 may be disposed at a position where the solder ribbon placing chuck is disposed at a right angle with respect to the center of the turntable 1, and the solder ribbon taking chuck 2 rotates 90 ° to reach the transfer position after taking solder ribbon from the solder ribbon cutting mechanism.
In addition, the welding strip feeding device further comprises a driving mechanism, and the driving mechanism can drive the welding strip cutting mechanism 5 and the welding strip feeding mechanism 6 to move towards the rotary table 1 and move away from the rotary table 1. Specifically, the solder-ribbon cutting mechanism 5 and the solder-ribbon feeding mechanism 6 may be mounted on a frame that is driven by a driving mechanism to move toward the turntable 1 or away from the turntable 1.
When the welding strip is fed into the welding strip taking clamp head 2, the welding strip cutting mechanism 5 and the welding strip feeding mechanism 6 can be driven by the driving mechanism to move towards the turntable 1 to a preset position, and the welding strip cut by the welding strip cutting mechanism 5 can be conveniently clamped by the welding strip taking clamp head 2 at the preset position. When the solder ribbon cutting mechanism 5 and the solder ribbon feeding mechanism 6 interfere with the rotation of the turntable 1, they can be driven away from the turntable 1 by the driving mechanism.
Under the condition that the welding strip cutting mechanism 5 and the welding strip feeding mechanism 6 can conveniently feed the welding strip into the welding strip taking chuck 2 without interfering with the rotation of the turntable 1, the welding strip cutting mechanism 5 and the welding strip feeding mechanism 6 can not be driven by a driving mechanism to move.
Adopt below the utility model provides a weld and take feedway provides the concrete process of welding the area and describe:
firstly, one end of a welding strip on a welding strip disc set is fed between a first feed roller and a second feed roller of a welding strip feeding mechanism 6, the welding strip is fed in by the first feed roller and the second feed roller in a rolling manner, and the welding strip enters between cutters of a welding strip cutting mechanism 5;
the first row of welding strip taking chucks 2 on the turntable 1 rotate to the welding strip taking position, each welding strip taking chuck 2 clamps the welding strip extending out of the corresponding welding strip cutting mechanism 5, and the welding strip cutting mechanism 5 cuts off the welding strip;
the first discharge welding strip chuck 2 rotates to a transfer position along with the turntable 1, the first welding strip placing chuck 3 moves towards the welding strip taking chuck 2 under the driving of the transverse moving mechanism and the longitudinal moving mechanism, then the welding strip of the welding strip taking chuck 2 is clamped and taken, and the welding strip is moved to a welding strip placing position on the welding conveying device 100 to place the welding strip;
at the moment, the second row of welding strip taking chucks 2 on the rotary table 1 rotate to a welding strip taking position, the same action is carried out with the first row of welding strip chucks 2, the welding strip clamping and feeding mechanism 6 is used for clamping the welding strip which is fed into the welding strip cutting mechanism 5 and cut off by the welding strip cutting mechanism 5, then the welding strip clamping and feeding mechanism rotates to a transfer position along with the rotary table 1, the second row of welding strip chucks 4 moves to the transfer position, the welding strip of the row of welding strip chucks 2 is clamped, and then the welding strip is moved to a preset position to place the welding strip;
and circulating in this way, the rows of the welding strip taking chucks 2 on the turntable 1 rotate, and the first welding strip placing chuck 3 and the second welding strip placing chuck 4 are matched with the rotation frequency of the rows of the welding strip taking chucks 2 to circularly and alternately transfer the welding strips transferred by the welding strip chucks 2.
According to another aspect of the present invention, there is also provided a battery piece series welding apparatus, which comprises a welding conveying device, a welding device, a battery piece feeding device and the welding strip feeding device;
the battery plate feeding device supplies battery plates to the welding and conveying device;
the solder strip placing chuck of the solder strip feeding device places a solder strip on the welding and conveying device, and enables the battery plate and the solder strip on the welding and conveying device to be stacked; the welding conveying device conveys the stacked battery pieces and the welding strips to a welding station;
and the welding device welds the battery piece and the welding strip at the welding station to form a battery string.
Fig. 1 shows a schematic view of the solder ribbon supply to the solder conveying apparatus 100 by the solder ribbon supply apparatus. After the solder strip clamped by each row of the solder strip taking chucks 2 is transferred to the first solder strip releasing chuck 3 or the second solder strip releasing chuck 4, each group of the clamped solder strips 7 is laid on the welding conveying device 100 by the first solder strip releasing chuck 3 or the second solder strip releasing chuck 4, each group of the solder strips 7 is overlapped with a battery piece (not shown in the figure), and is pressed on the solder strips 7 through the solder strip pressing tool 8 for positioning.
Through the utility model provides a weld and take feedway provides to welding conveyor 100 and welds the area, welds laying of taking efficiently, does benefit to the production efficiency who improves battery piece series welding equipment.
It is to be understood by one of ordinary skill in the art that the specific structures and processes shown in the detailed description are exemplary only and not limiting. Moreover, a person skilled in the art can combine the various technical features described above in various possible ways to form new technical solutions, or make other modifications, all of which fall within the scope of the present invention.
Claims (10)
1. A solder strip feedway, characterized in that, solder strip feedway includes:
a turntable configured to be rotatable;
the welding strip taking clamp is arranged to be capable of clamping a welding strip and is arranged on the turntable;
the solder strip releasing clamp is arranged to clamp the solder strip;
the moving mechanism is connected with the welding strip releasing chuck to drive the welding strip releasing chuck to move between a transfer position and a welding strip releasing position;
when the welding strip taking chuck rotates to the transfer position along with the rotary table, the welding strip releasing chuck moves to the transfer position under the driving of the moving mechanism to clamp the welding strip clamped by the welding strip taking chuck, and moves to the preset welding strip releasing position to release the welding strip.
2. The solder strip feeding device according to claim 1, wherein two or more solder strip releasing chucks are provided, and the two or more solder strip releasing chucks are configured to alternately move to the transfer position to pick up the solder strip and move to a predetermined position to release the solder strip.
3. The solder ribbon feeding apparatus according to claim 2, wherein the moving mechanism of each of the solder ribbon cartridges includes a lateral moving mechanism that drives the solder ribbon cartridge to move in a first direction and a longitudinal moving mechanism that drives the solder ribbon cartridge to move in a second direction perpendicular to the first direction.
4. The solder strip feeding device according to claim 1, wherein the solder strip taking chucks are arranged in at least two rows in a straight line on the turntable, and the at least two rows of solder strip taking chucks are arranged at positions close to the edge along the circumferential direction of the turntable.
5. The solder strip feeding device according to any one of claims 1 to 4, further comprising a solder strip cutting mechanism for cutting off the solder strip after the solder strip is clamped by the solder strip taking chuck.
6. The solder strip feeding device according to claim 5, further comprising a solder strip feeding mechanism for feeding a solder strip into the solder strip taking chuck, the solder strip feeding mechanism being located on a side of the solder strip cutting mechanism facing away from the turntable, the solder strip feeding mechanism feeding the solder strip so that the solder strip passes through the solder strip cutting mechanism and enters the solder strip taking chuck.
7. The solder strip feeding device according to claim 6, wherein the solder strip feeding mechanism comprises a first feed roller and a second feed roller capable of rolling relatively, and the relative rolling of the first feed roller and the second feed roller extrudes and feeds the solder strip sandwiched therebetween.
8. The solder ribbon feeding device according to claim 6, further comprising a driving mechanism capable of driving the solder ribbon cutting mechanism and the solder ribbon feeding mechanism to move toward and away from the turntable.
9. The solder strip feeding device according to claim 6, wherein the solder strip cutting mechanism and the solder strip feeding mechanism are disposed on a side of the turntable away from the solder strip placing chuck, and the solder strip taking chuck rotates 180 ° to the transfer position after taking the solder strip from the solder strip cutting mechanism;
or, the welding strip cutting mechanism and the welding strip feeding mechanism are opposite to the welding strip placing chuck, the center of the rotary table is arranged at a right angle, and the welding strip taking chuck is arranged at the position where the welding strip is taken by the welding strip cutting mechanism and then rotates by 90 degrees to reach the transfer position.
10. A battery piece series welding device, which is characterized by comprising a welding conveying device, a welding device, a battery piece feeding device and a welding strip feeding device according to any one of claims 1-9;
the battery plate feeding device supplies battery plates to the welding and conveying device;
the solder strip placing chuck of the solder strip feeding device places a solder strip on the welding and conveying device, and enables the battery plate and the solder strip on the welding and conveying device to be stacked;
the welding conveying device conveys the stacked battery pieces and the welding strips to a welding station;
and the welding device welds the battery piece and the welding strip at the welding station to form a battery string.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921869519.8U CN210575883U (en) | 2019-11-01 | 2019-11-01 | Solder strip feeding device and battery piece series welding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921869519.8U CN210575883U (en) | 2019-11-01 | 2019-11-01 | Solder strip feeding device and battery piece series welding equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210575883U true CN210575883U (en) | 2020-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921869519.8U Active CN210575883U (en) | 2019-11-01 | 2019-11-01 | Solder strip feeding device and battery piece series welding equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210575883U (en) |
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2019
- 2019-11-01 CN CN201921869519.8U patent/CN210575883U/en active Active
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