CN221064792U - High-efficient spot welding needle calibrating device - Google Patents
High-efficient spot welding needle calibrating device Download PDFInfo
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- CN221064792U CN221064792U CN202322837293.6U CN202322837293U CN221064792U CN 221064792 U CN221064792 U CN 221064792U CN 202322837293 U CN202322837293 U CN 202322837293U CN 221064792 U CN221064792 U CN 221064792U
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- needle
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- 238000003466 welding Methods 0.000 title claims abstract description 172
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 238000010791 quenching Methods 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- 238000004880 explosion Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010409 ironing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Resistance Welding (AREA)
Abstract
The utility model discloses a high-efficiency spot welding needle calibration device, which is characterized in that: the welding needle calibration jig and the welding seat calibration jig are arranged on the bottom plate; the welding needle calibration jig comprises a first fixing seat, a first guide post, a first positioning sleeve and a welding needle clip; the welding seat calibration jig comprises a second fixing seat, a second guide post, a second positioning sleeve and a welding seat clip. The utility model adopts the upper end surfaces of the first positioning sleeve and the second positioning sleeve to respectively position and calibrate the effective lengths of the welding needle and the welding seat, only the welding needle and the welding seat are respectively inserted into the first positioning sleeve and the second positioning sleeve, the lower end surface is attached to the upper plane of the bottom plate, and the welding needle clip and the welding seat clip are locked to finish the calibration of the welding needle and the welding seat.
Description
Technical Field
The utility model relates to the technical field of lithium battery welding, in particular to a high-efficiency spot welding needle calibration device.
Background
The prior lithium battery spot welding technology adopts resistance welding to weld the bottom of the winding core, the inner tab and the outer tab of the negative electrode, and the outer tab of the negative electrode and the bottom of the steel shell. The spot welder for lithium battery includes the main steps of feeding winding core, ironing central hole, welding with upper and lower welding pins, pressure detection, etc. The welding pin welding seat has certain service life requirement, and the welding pin welding seat needs to be replaced frequently (about 1.5 hours needs to be replaced once) because the production line speed is too high, so that the quality and the production efficiency of products are directly affected by challenges brought by the installation accuracy, the position and the convenience of the welding pin welding seat.
When the welding needle and the welding seat are replaced in the prior art, the corresponding welding needle clamp and the corresponding welding seat clamp are sleeved on the welding needle and the welding seat, then the distance from the lower plane of the welding needle clamp to the lower end of the welding needle is measured through a vernier caliper, the distance from the lower plane of the welding seat clamp to the lower end of the welding seat is measured to calibrate the working effective length of the welding needle and the welding seat, the calibration efficiency is too low, the calibration precision is low, and serious quality problems such as cold joint, penetration welding, explosion fire and the like often occur.
Disclosure of utility model
In order to solve the problems that the effective length calibration efficiency of the existing welding needle and welding seat is too low, the calibration precision is low, and serious quality problems such as cold welding, welding through, explosion fire and the like frequently occur, the utility model provides a high-efficiency spot welding needle calibration device.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
A high-efficient spot welding needle calibrating device, its characterized in that: the welding needle calibration jig comprises a bottom plate, a welding seat calibration jig and a welding needle calibration jig, wherein the welding needle calibration jig and the welding seat calibration jig are both arranged on the bottom plate;
The welding needle calibration jig comprises a first fixing seat, a first guide post, a first positioning sleeve and a welding needle clamp, wherein the first guide post is vertically fixed on the right rear side of the upper plane of the bottom plate, the upper end of the first guide post penetrates through the right side of the first fixing seat, the first positioning sleeve is inserted in the left side of the first fixing seat, the first positioning sleeve is vertical to the upper plane of the bottom plate, the upper end face of the first positioning sleeve is vertical to the axis, the distance between the upper end face of the first positioning sleeve and the upper plane of the bottom plate = the effective installation length of the welding needle, a first gap is reserved between the lower end face of the first positioning sleeve and the upper plane of the bottom plate, the inner hole inner diameter of the first positioning sleeve is matched with the outer diameter of the welding needle, the welding needle is inserted in the first positioning sleeve, the lower end face of the welding needle is jointed with the upper plane of the bottom plate, and the welding needle clamp is sleeved on the outer side of the welding needle, and the lower plane of the first positioning sleeve is used for clamping and locking the welding needle;
The welding seat calibration jig comprises a second fixing seat, a second guide post, a second positioning sleeve and a welding seat clamp, wherein the second guide post is vertically fixed on the right front side of the upper plane of the bottom plate, the upper end of the second guide post penetrates through the right side of the second fixing seat, the second positioning sleeve is inserted in the left side of the second fixing seat, the second positioning sleeve is vertical to the upper plane of the bottom plate, the upper end face of the second positioning sleeve is vertical to the axis, the distance between the upper end face of the second positioning sleeve and the upper plane of the bottom plate = effective installation length of the welding seat, a second gap is reserved between the lower end face of the second positioning sleeve and the upper plane of the bottom plate, the inner hole inner diameter of the second positioning sleeve is matched with the outer diameter of the welding seat, the welding seat is inserted in the second positioning sleeve, the lower end face of the second positioning sleeve is matched with the upper plane of the bottom plate, the welding seat clamp is sleeved on the outer side of the welding seat, and the lower plane of the second positioning sleeve is matched with the upper plane for clamping and locking the welding seat.
Further, the first gap and the second gap are both set to be 2-10 mm.
The positions of the first positioning sleeve and the second positioning sleeve can be adjusted by arranging the first gap and the second gap, namely the effective lengths of the welding needle and the welding seat can be adjusted, so that the utility model can be suitable for the spot welding calibration of batteries with different specifications.
Furthermore, the first positioning sleeve and the second positioning sleeve are made of No. 45 quenched and tempered steel, and the hardness is set to be HRC 28-32.
Furthermore, the bottom plate is made of No. 45 steel, and is subjected to upper plane quenching treatment, and the hardness is set to be HRC 42-45.
Further, the bottoms of the first guide post and the second guide post are detachably connected with the bottom plate through bolts.
Further, the first fixing seat is detachably and fixedly connected with the first positioning sleeve and the first guide post through the locking bolt
The second fixing seat is detachably and fixedly connected with the second positioning sleeve and the second guide post through the locking bolt.
Further, the upper planes of the first fixing seat and the second fixing seat are parallel to the upper plane of the bottom plate and are perpendicular to the axes of the first positioning sleeve and the second positioning sleeve respectively.
Compared with the prior art, the utility model has the beneficial effects that: 1. the utility model adopts the upper end surfaces of the first positioning sleeve and the second positioning sleeve to respectively position and calibrate the effective lengths of the welding needle and the welding seat, only the welding needle and the welding seat are required to be respectively inserted into the first positioning sleeve and the second positioning sleeve, the lower end surfaces of the welding needle and the welding seat are attached to the upper plane of the bottom plate, then the welding needle clip and the welding seat clip are respectively sleeved on the welding needle and the welding seat, the lower plane of the welding needle clip and the welding seat clip are respectively attached to the upper end surfaces of the first positioning sleeve and the second positioning sleeve, and the welding needle clip and the welding seat clip are locked, so that the calibration of the welding needle and the welding seat is completed; 2. the welding needle and the welding seat can be arranged on the calibration device in advance, and can be taken out to be directly arranged on equipment when the welding needle and the welding seat need to be replaced, and only 10 seconds is needed, so that the production efficiency is further improved; 3. the positions of the first positioning sleeve and the second positioning sleeve can be adjusted through the locking bolts, namely, the effective lengths of the welding needle and the welding seat can be adjusted, so that the device can be suitable for spot welding of batteries with different specifications, and the practicability of the device is improved.
Drawings
FIG. 1 is a schematic view of the working state structure of an embodiment of the present utility model;
FIG. 2 is a schematic diagram illustrating a non-operating state structure according to an embodiment of the present utility model;
FIG. 3 is a schematic view illustrating an internal structure of a first fixing base according to an embodiment of the present utility model;
Fig. 4 is a schematic view of a mounting hole structure of a guide post on a base plate according to an embodiment of the present utility model.
In the figure: 1. the welding jig comprises a bottom plate, 101, two-stage stepped holes, 2, welding needle calibration jigs, 21, a first fixing seat, 2101, a guide post inserting hole, 2102, a positioning sleeve inserting hole, 2103, an internal threaded hole, 22, a first guide post, 23, a first positioning sleeve, 24, welding needle clamps, 25, welding needles, 26, locking bolts, 3, a welding seat calibration jig, 31, a second fixing seat, 32, a second guide post, 33, a second positioning sleeve, 34, a welding seat clamp, 35 and a welding seat.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 and 2, the embodiment of the utility model comprises a bottom plate 1, a welding seat calibration jig 3 and a welding needle calibration jig 2, wherein the welding needle calibration jig 2 and the welding seat calibration jig 3 are both arranged on the bottom plate 1;
The welding needle calibration jig 2 comprises a first fixing seat 21, a first guide post 22, a first positioning sleeve 23 and a welding needle clamp 24, wherein the first guide post 22 is vertically fixed on the right rear side of the upper plane of the bottom plate 1, the upper end of the first guide post passes through the right side of the first fixing seat 21, the first positioning sleeve 23 is inserted on the left side of the first fixing seat 21, the first positioning sleeve 23 is vertical to the upper plane of the bottom plate 1, the upper end surface of the first positioning sleeve 23 is vertical to the axis of the first positioning sleeve 23, the distance between the upper end surface of the first positioning sleeve 23 and the upper plane of the bottom plate 1 = the effective mounting length of the welding needle 25, a first gap is reserved between the lower end surface of the first positioning sleeve 23 and the upper plane of the bottom plate 1, the first gap is set to be 10mm, the inner hole inner diameter of the first positioning sleeve 23 is matched with the outer diameter of the welding needle 25, the welding needle 25 is inserted in the first positioning sleeve 23, the lower end surface is attached to the upper plane of the bottom plate 1, the welding needle clamp 24 is sleeved on the outer side of the welding needle 25, and the lower plane is attached to the upper plane of the first positioning sleeve 23, and used for clamping and locking the welding needle 25;
the welding seat calibration jig 3 comprises a second fixing seat 31, a second guide post 32, a second positioning sleeve 33 and a welding seat clip 34, wherein the second guide post 32 is vertically fixed on the right front side of the upper plane of the bottom plate 1, the upper end of the second guide post passes through the right side of the second fixing seat 31, the second positioning sleeve 33 is inserted in the left side of the second fixing seat 31, the second positioning sleeve 33 is vertical to the upper plane of the bottom plate 1, the upper end face of the second positioning sleeve 33 is vertical to the axis of the second positioning sleeve 33, the distance between the upper end face of the second positioning sleeve 33 and the upper plane of the bottom plate 1 = effective installation length of the welding seat 35, a second gap is reserved between the lower end face of the second positioning sleeve 33 and the upper plane of the bottom plate 1, the second gap is set to be 10mm, the inner hole diameter of the second positioning sleeve 33 is matched with the outer diameter of the welding seat 35, the welding seat 35 is inserted in the second positioning sleeve 33, the lower end face is jointed with the upper plane of the bottom plate 1, the welding seat clip 34 is sleeved outside the welding seat 35, and the lower plane is jointed with the upper plane of the second positioning sleeve 33 for clamping and locking the welding seat 35.
The positions of the first positioning sleeve 23 and the second positioning sleeve 33 can be adjusted by arranging the first gap and the second gap, namely the effective lengths of the welding needle 25 and the welding seat 35 can be adjusted, so that the utility model can be suitable for the spot welding calibration of batteries with different specifications, and the practicability of the utility model is improved.
Preferably, the first positioning sleeve 23 and the second positioning sleeve 33 are made of 45 # hardened and tempered steel, and the hardness is HRC28 to 32.
Preferably, the base plate 1 is made of 45-gauge steel, and is subjected to upper plane quenching, and the hardness is set to be HRC42 to 45. After quenching treatment, the plane on the bottom plate 1 is ground by a plane grinder, so that the roughness of the plane on the bottom plate 1 reaches 1.6-0.8.
Preferably, the bottoms of the first and second guide posts 22, 32 are detachably connected to the base plate 1 by bolts.
The bottoms of the first guide post 22 and the second guide post 32 are respectively provided with a threaded hole, as shown in fig. 4, two-stage stepped holes 101 with small upper part and large lower part are respectively arranged on the bottom plate 1 corresponding to the threaded holes at the bottoms of the first guide post 22 and the second guide post 32, the bolt heads are arranged in the large holes below the two-stage stepped holes 101, the upper ends of the bolt heads penetrate through the small holes above the two-stage stepped holes 101 and are in threaded connection with the corresponding threaded holes at the bottoms of the first guide post 22 and the second guide post 32, and the first guide post 22, the second guide post 32 and the bottom plate are fixedly connected.
Preferably, the first fixing seat 21 is detachably and fixedly connected with the first positioning sleeve 23 and the first guide post 22 through the locking bolt 26.
As shown in fig. 3, a first fixing seat 21 is provided with a vertical guide post jack 2101 and a positioning sleeve jack 2102, the axes of the guide post jack 2101 and the positioning sleeve jack 2102 are perpendicular to the upper plane of the bottom plate 1, the apertures are matched with the outer diameters of a first guide post 22 and a first positioning sleeve 23 respectively, an internal threaded hole 2103 is arranged in the middle of the right side of the first fixing seat 21 and communicated with the guide post jack 2101, and an internal threaded hole 2103 is arranged in the middle of the left side of the first fixing seat 21 and communicated with the positioning sleeve jack 2102;
A locking bolt 26 is arranged in the left internal thread hole 2103 of the first fixing seat 21, the end part of the locking bolt 26 is tightly pressed against the outer side surface of the first positioning sleeve 23 inserted into the positioning sleeve insertion hole 2102, and the first positioning sleeve 23 is fixedly connected with the first fixing seat 21;
A locking bolt 26 is arranged in the right internal thread hole 2103 of the first fixing seat 21, and the end part of the locking bolt 26 is tightly pressed against the outer side surface of the first guide post 22 which is inserted into the guide post insertion hole 2101, so that the first guide post 22 is fixedly connected with the first fixing seat 21.
The second fixing seat 31 is detachably and fixedly connected with the second positioning sleeve 33 and the second guide post 32 through the locking bolt 26, and the detachable and fixedly connected mode is consistent with the connection mode of the first fixing seat 21, the first guide post 22 and the first positioning sleeve 23.
The detachable connection structure is arranged, so that the device can be detached to be maintained through a surface grinder or a tool grinder when the upper plane of the positioning sleeve and the upper plane of the bottom plate are worn in the later stage, and can be continuously used after maintenance, and the maintenance cost is low.
Preferably, the upper planes of the first fixing seat 21 and the second fixing seat 31 are parallel to the upper plane of the bottom plate 1, and are perpendicular to the axes of the first positioning sleeve 23 and the second positioning sleeve 33 respectively.
The working mode of the utility model is as follows: the bottom plate is placed on a working platform, the welding needle 25 is inserted into the first positioning sleeve 23, the lower end face of the welding needle 25 is attached to the upper plane of the bottom plate 1, then the welding needle clamp 24 is sleeved on the outer side of the welding needle 25, the lower plane of the welding needle clamp 24 is attached to the upper plane of the first positioning sleeve 23, and the welding needle 25 is clamped and locked, so that the calibration of the welding needle 25 is completed. The same method aligns the solder bumps 35 and mounts the solder bumps 35.
The utility model has simple structure and convenient and quick operation, an operator can mount the welding needle 25 and the welding seat 35 on the calibrating device in advance, and when the welding needle and the welding seat need to be replaced by the spot welder, the welding needle 25 and the welding seat 35 can be mounted and replaced well only by 10 seconds, thereby greatly improving the calibrating efficiency and the calibrating precision, effectively preventing the occurrence of serious quality problems such as false welding, penetration welding, fire explosion and the like, saving the cost of the false welding rework and the cost of scrapped products such as penetration welding, fire explosion and the like, and being worthy of popularization and application.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (7)
1. A high-efficient spot welding needle calibrating device, its characterized in that: the welding needle calibration jig comprises a bottom plate, a welding seat calibration jig and a welding needle calibration jig, wherein the welding needle calibration jig and the welding seat calibration jig are both arranged on the bottom plate;
The welding needle calibration jig comprises a first fixing seat, a first guide post, a first positioning sleeve and a welding needle clamp, wherein the first guide post is vertically fixed on the right rear side of the upper plane of the bottom plate, the upper end of the first guide post penetrates through the right side of the first fixing seat, the first positioning sleeve is inserted in the left side of the first fixing seat, the first positioning sleeve is vertical to the upper plane of the bottom plate, the upper end face of the first positioning sleeve is vertical to the axis, the distance between the upper end face of the first positioning sleeve and the upper plane of the bottom plate = the effective installation length of the welding needle, a first gap is reserved between the lower end face of the first positioning sleeve and the upper plane of the bottom plate, the inner hole inner diameter of the first positioning sleeve is matched with the outer diameter of the welding needle, the welding needle is inserted in the first positioning sleeve, the lower end face of the welding needle is jointed with the upper plane of the bottom plate, and the welding needle clamp is sleeved on the outer side of the welding needle, and the lower plane of the first positioning sleeve is used for clamping and locking the welding needle;
The welding seat calibration jig comprises a second fixing seat, a second guide post, a second positioning sleeve and a welding seat clamp, wherein the second guide post is vertically fixed on the right front side of the upper plane of the bottom plate, the upper end of the second guide post penetrates through the right side of the second fixing seat, the second positioning sleeve is inserted in the left side of the second fixing seat, the second positioning sleeve is vertical to the upper plane of the bottom plate, the upper end face of the second positioning sleeve is vertical to the axis, the distance between the upper end face of the second positioning sleeve and the upper plane of the bottom plate = effective installation length of the welding seat, a second gap is reserved between the lower end face of the second positioning sleeve and the upper plane of the bottom plate, the inner hole inner diameter of the second positioning sleeve is matched with the outer diameter of the welding seat, the welding seat is inserted in the second positioning sleeve, the lower end face of the second positioning sleeve is matched with the upper plane of the bottom plate, the welding seat clamp is sleeved on the outer side of the welding seat, and the lower plane of the second positioning sleeve is matched with the upper plane for clamping and locking the welding seat.
2. The high-efficiency spot welding pin calibration device according to claim 1, wherein: the first gap and the second gap are both set to be 2-10 mm.
3. The high-efficiency spot welding pin calibration device according to claim 1, wherein: the first positioning sleeve and the second positioning sleeve are made of No. 45 quenched and tempered steel, and the hardness is set to be HRC 28-32.
4. The high-efficiency spot welding pin calibration device according to claim 1, wherein: the bottom plate is made of No. 45 steel, and is subjected to upper plane quenching treatment, wherein the hardness is set to be HRC 42-45.
5. The high-efficiency spot welding pin calibration device according to claim 1, wherein: the bottoms of the first guide column and the second guide column are detachably connected with the bottom plate through bolts.
6. The high-efficiency spot welding pin calibration device according to claim 1, wherein: the first fixing seat is detachably and fixedly connected with the first positioning sleeve and the first guide column through the locking bolt, and the second fixing seat is detachably and fixedly connected with the second positioning sleeve and the second guide column through the locking bolt.
7. The high-efficiency spot welding pin calibration device according to claim 1, wherein: the upper planes of the first fixing seat and the second fixing seat are parallel to the upper plane of the bottom plate and are perpendicular to the axes of the first positioning sleeve and the second positioning sleeve respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322837293.6U CN221064792U (en) | 2023-10-23 | 2023-10-23 | High-efficient spot welding needle calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322837293.6U CN221064792U (en) | 2023-10-23 | 2023-10-23 | High-efficient spot welding needle calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221064792U true CN221064792U (en) | 2024-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322837293.6U Active CN221064792U (en) | 2023-10-23 | 2023-10-23 | High-efficient spot welding needle calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221064792U (en) |
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2023
- 2023-10-23 CN CN202322837293.6U patent/CN221064792U/en active Active
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