CN117773459A - Welding part positioning and clamping device with flexible splicing point and clamping method thereof - Google Patents
Welding part positioning and clamping device with flexible splicing point and clamping method thereof Download PDFInfo
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- CN117773459A CN117773459A CN202311669203.5A CN202311669203A CN117773459A CN 117773459 A CN117773459 A CN 117773459A CN 202311669203 A CN202311669203 A CN 202311669203A CN 117773459 A CN117773459 A CN 117773459A
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- 238000000429 assembly Methods 0.000 claims abstract description 11
- 238000005259 measurement Methods 0.000 claims description 16
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- 239000010959 steel Substances 0.000 abstract description 5
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Abstract
The invention discloses a welding part positioning and clamping device with flexible splicing points and a clamping method thereof, wherein the welding part positioning and clamping device comprises a plurality of clamping mechanisms, wherein the clamping mechanisms are provided with a plurality of clamping assemblies; each clamping assembly is provided with two clamping bodies which move relatively, the clamping bodies are arranged in the corresponding guide limiting grooves in a sliding mode, the limiting end faces at two ends of the guide limiting grooves are respectively provided with a ranging module, and the ranging modules are electrically connected to sliding driving devices of the clamping bodies at the corresponding sides through control modules; the clamping body facing the splicing surface is a pressure-sensitive clamping body, the clamping surface of the clamping body is provided with a pressure sensing module, and the pressure sensing module is electrically connected to a sliding driving device of the pressure-sensitive clamping body where the pressure sensing module is located through a control module. The invention meets the requirements of clamping and positioning the welding of the steel structure with the flexible splicing point, and can rapidly adjust the position, so that the position accuracy of the clamping is ensured while the effective application force is ensured.
Description
Technical Field
The invention relates to the technical field of steel structure welding, in particular to a welding piece positioning and clamping device with a flexible splicing point and a clamping method thereof.
Background
For welding large-scale steel frame structures, in order to improve the universality of the clamps, the clamps are generally in an electrodeless adjustment mode so as to adapt to the clamping of welding pieces with different sizes or the clamping of matching relations between different positions of the welding pieces; however, the clamp has the effect of fixing the welding piece at any position, but cannot realize automatic and accurate positioning, and certain position precision is required to be achieved by measuring and adjusting the relative position of the welding piece, so that the working efficiency of the clamping process is affected; in the workpiece with requirements on clamping and applying force, the adjusting pressure can influence the adjusted position precision, the adjusting position precision also influences the applied pressure value, and the adjusting pressure and the applied pressure cannot be realized quickly and simultaneously meet the requirements.
Disclosure of Invention
The invention aims to: in order to overcome the defects in the prior art, the invention provides the welding piece positioning and clamping device with the flexible splicing point and the clamping method thereof, which meet the clamping and positioning requirements of welding a steel structure with the flexible splicing point, and can rapidly adjust the position, so that the effective application force is ensured, and meanwhile, the position accuracy of the clamping is ensured.
The technical scheme is as follows: in order to achieve the above purpose, the welding piece positioning and clamping device with the flexible splicing points and the clamping method thereof comprise a plurality of clamping mechanisms, wherein the clamping mechanisms are used for respectively clamping and fixing a plurality of splicing points formed by abutting and matching a plurality of cross beams with side beams on two sides, and the splicing points are formed by splicing the end faces of the cross beams and the side end faces of the side beams;
the clamping mechanisms are linearly arranged and are arranged at adjustable intervals; the clamping mechanism is provided with a plurality of clamping assemblies; each clamping assembly is provided with two clamping bodies which move relatively, the clamping bodies are arranged in corresponding guide limit grooves in a sliding mode, the limit end faces at two ends of each guide limit groove are respectively provided with a ranging module, and the distance signal output end of each ranging module is electrically connected to a sliding driving device of the corresponding clamping body;
the clamping body facing the splicing surface is a pressure sensing clamping body, the clamping surface of the clamping body is provided with a pressure sensing module, and the pressure signal output end of the pressure sensing module is electrically connected to a sliding driving device of the pressure sensing clamping body where the pressure sensing module is located through a control module.
Further, a plurality of fixture all slides the cooperation and sets up on the main guide rail, the main guide rail includes two parallel arrangement's track, fixture's slip base crossbearer in both sides on the track, two orbital interval central line is the benchmark central line, slip base upper groove to perpendicular to the direction spacing groove of benchmark central line is first spacing groove, and the spacing terminal surface at its both ends for benchmark central line symmetry sets up, it is provided with to slide in the first spacing groove the pressure sensing centre gripping body.
Further, the upper end surface of the sliding base is a supporting and limiting surface, the supporting and limiting surface is provided with an auxiliary midline perpendicular to the datum midline, and the groove width direction of the first limiting groove is symmetrically arranged relative to the auxiliary midline; and a plurality of beam deflection-adjusting clamping assemblies are arranged along the direction of the auxiliary central line and are used for clamping deflection so that the beams are symmetrical relative to the auxiliary central line.
Further, the guiding limit groove parallel to the reference central line in the upper groove direction of the sliding base is a second limit groove, limit end faces at two ends of the second limit groove are symmetrically arranged relative to the auxiliary central line, and two cross beam deflection adjusting clamping bodies are arranged in the second limit groove in a relative sliding mode.
Further, the second limit groove is arranged on the upper end face of the sliding block, and the middle part of the sliding block is in sliding fit with the sliding groove; the sliding groove is positioned on the bottom side surface of the sliding base, the groove of the sliding groove extends along the auxiliary midline direction, and the groove width direction of the sliding groove is symmetrically arranged relative to the auxiliary midline.
Further, limiting end surfaces at two ends of the sliding groove are symmetrically arranged relative to the datum center line, the limiting end surfaces of the sliding groove are provided with distance measuring modules, and distance signal output ends of the distance measuring modules are electrically connected to sliding driving devices corresponding to the sliding blocks through control modules.
Further, base interval measuring modules are arranged at corresponding positions of the sliding bases, and the base interval measuring modules are arranged on auxiliary middle lines of the corresponding sliding bases.
Further, the method comprises the following steps:
s1, according to a welding process, firstly, sliding and adjusting a clamping mechanism corresponding to a rigid splicing point to a proper position, and then taking the position of the clamping mechanism of the rigid splicing point as a reference, and adjusting the position of the clamping mechanism corresponding to a flexible splicing point through distance measurement feedback of a base interval measurement module;
s2, after the positions of the clamping mechanisms are determined, placing the cross beam and the side beam at the corresponding positions, and primarily determining the relative positions of the cross beam and the side beam;
s3, clamping the cross beams through a cross beam deflection-adjusting clamping body, and enabling each cross beam to be symmetrical relative to a corresponding auxiliary center line through distance measurement feedback adjustment;
s4, synchronously acting the plurality of pressure-sensing clamping bodies, pushing the side beams to be attached to the end faces of the cross beams at the corresponding positions, and enabling the side beams at the two sides to be symmetrical relative to the reference center line through distance measurement feedback adjustment;
s5, locking the pressure-sensitive clamping body corresponding to the rigid splicing point;
and S6, according to the flexible splice welding process, the pressure feedback signal and the ranging feedback signal are controlled in a linkage mode, so that the pressure sensing module corresponding to the flexible splice point reaches a pressure preset value corresponding to the splice point.
Further, in step S1, if there are a plurality of clamping mechanisms corresponding to the rigid splice points at the same time, determining the position of one of the rigid point clamping mechanisms, and sequentially completing the position adjustment of the plurality of rigid point clamping mechanisms in the order from near to far with the position of the rigid point clamping mechanism as a reference; and finally, comparing the distance measurement value between two adjacent flexible point clamping mechanisms which are regulated by the position reference points of different rigid point clamping mechanisms with a preset value as a feedback signal to judge whether deviation exists in the position regulation.
The beneficial effects are that: according to the welding piece positioning and clamping device with the flexible splicing point and the clamping method thereof, two clamping bodies which move relatively are driven to slide along the same guiding limit groove in a ranging adjustment mode, and the welding piece is entrained by the clamping bodies which move relatively to carry out offset adjustment along the sliding direction; the end face of the guide limit groove is used as a distance reference, and offset adjustment is carried out by maintaining the equal distance between the two clamping bodies and the end face of the groove; the guide limit groove is symmetrical relative to the reference center line, so that the accuracy of offset adjustment based on the end face of the groove is guaranteed, automatic deviation correction of welding pieces is achieved, the relative positions among the welding pieces are not required to be measured and readjusted, and the welding efficiency is improved on the premise that the welding accuracy is guaranteed. Meanwhile, the clamping pressure of the flexible splicing point is adjusted through pressure feedback, and the distance measurement offset adjustment is matched, so that the pressure feedback value truly reflects the force applied by the clamping body to the elastic mechanism on the end face of the cross beam, and the clamping accuracy is ensured while the pressure value reaches a preset value.
Drawings
FIG. 1 is a schematic top view of an embodiment of the present invention;
fig. 2 is a schematic perspective view of a side view of a clamping mechanism according to an embodiment of the present invention.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
The welding piece positioning and clamping device with flexible splicing points and the clamping method thereof as shown in the accompanying drawings 1-2 comprise a plurality of clamping mechanisms 1 which are used for respectively clamping and fixing a plurality of splicing points formed by abutting and matching a plurality of cross beams 21 and side edge beams 22, wherein the splicing points are formed by splicing end faces of the cross beams 21 and side end faces of the edge beams.
The clamping mechanisms 1 are arranged linearly and are arranged at adjustable intervals; the clamping mechanism 1 is provided with a plurality of clamping assemblies; every clamping assembly all is provided with two clamping bodies of relative motion, the clamping body slides and sets up in the direction spacing inslot 4 that corresponds, the spacing terminal surface at direction spacing inslot 4 both ends is provided with range finding module 5 respectively, range finding module 5's distance signal output passes through control module electric connection to the corresponding side the driving arrangement that slides of clamping body.
The scheme is mainly applied to the welding process of the large-scale steel structures of the ladder frame or container skeletons, and has stronger universality by the adjustable clamping mechanism for coping with different distribution conditions of splicing points on workpieces of different specifications. For the recognition of welding seam and the planning of welding track route are convenient for, reach and make the whole relative clamping device of work piece lay in the middle through symmetry centre gripping cooperation range finding feedback regulation, specifically utilize two clamping bodies that slide in same direction spacing groove to carry out relative centre gripping to the target splice point to the spacing terminal surface of direction spacing groove is as the range finding reference, detects the spacing of clamping body in the spacing face of the groove end of corresponding side in real time, and the final range finding value of both sides clamping body equals as the criterion, guarantees that final work piece place is centered.
The clamping body corresponding to the splicing surface is a pressure sensing clamping body 31, the clamping surface is provided with a pressure sensing module 30, and the pressure signal output end of the pressure sensing module 30 is electrically connected to the sliding driving device of the pressure sensing clamping body 31 where the pressure sensing module is located through a control module.
The connecting mode between the splicing surfaces of the cross beam and the side beam comprises rigid connection and flexible connection with different degrees due to different process requirements; the flexible connection is specifically formed by the flexible structure of the end face of the cross beam under the condition of different applied forces from the side beams, and the flexible structure generates different degrees of elastic deformation, so that the joint of the cross beam and the side beams forms a certain degree of flexible connection after welding and shaping. Therefore, the scheme applies preset pressure to the flexible splicing point in a pressure feedback mode, and simultaneously ensures centering clamping of the workpiece and meets expected process requirements after welding is completed subsequently.
The clamping mechanisms 1 are arranged on a main guide rail in a sliding fit mode, the main guide rail comprises two rails 6 which are arranged in parallel, a sliding base 11 of the clamping mechanism 1 is transversely arranged on the rails 6 on two sides, a spacing central line of the two rails 6 is a reference central line 7, a guiding limit groove 4 perpendicular to the reference central line 7 in the upper groove direction of the sliding base 11 is a first limit groove 41, limit end faces at two ends of the guiding limit groove are symmetrically arranged relative to the reference central line 7, and the pressure sensing clamping bodies 31 are slidably arranged in the first limit groove 41.
Based on the structure of this scheme, take ladder frame structure as the example, with a plurality of crossbeams of arbitrary interval parallel welding between two boundary beams, can place every crossbeam corresponding to a fixture, and a plurality of fixture centre gripping both sides boundary beams simultaneously again, the interval between each fixture of accessible regulation reaches the centre gripping requirement that satisfies different crossbeam intervals like this.
The upper end surface of the sliding base 11 is a supporting and limiting surface, the supporting and limiting surface is provided with an auxiliary central line 8 perpendicular to the reference central line 7, and the groove width direction of the first limiting groove 41 is symmetrically arranged relative to the auxiliary central line 8; and a plurality of beam deflection-adjusting clamping assemblies are arranged along the direction of the auxiliary central line 8 and are used for clamping deflection so that the beams 21 are symmetrical relative to the auxiliary central line 8. The clamping block can ensure that the acting force generated by the clamping block sliding in the first limiting groove can be just opposite to the end face applied to the cross beam, the stress distribution balance of the clamping position is ensured, and the pressure value acquired by the pressure sensing module truly reflects the applied force born by the elastic structure at the end part of the cross beam.
The auxiliary center line can be used as a reference for adjusting the distance between the mechanisms, so that after the clamping mechanisms are used for adjusting the positions by the reference, the accuracy of the splicing position of the cross beam and the boundary beam can be ensured only by ensuring the symmetry of the cross beam relative to the auxiliary center line. Based on the distance adjustment requirements of the mechanisms, a base distance measuring module 12 is arranged at the corresponding positions of the sliding bases 11, and the base distance measuring module 12 is arranged on the auxiliary center line 8 of the corresponding sliding base 11.
Preferably, an adjusting groove 13 for sliding adjustment of the base interval measuring module 12 is provided at a position corresponding to the end face of each sliding base 11, two groove ends thereof respectively correspond to one limit position, the base interval measuring modules on different sliding bases are moved to the same limit position to enable the base interval measuring modules to correspond to each other, otherwise, the base interval measuring modules are moved to different two limit positions to enable the base interval measuring modules to be staggered; when the two are opposite, the distance between the corresponding sliding bases 11 can be measured. Therefore, the distance between any two sliding bases can be selectively measured, so that the position adjustment of each clamping mechanism can be conveniently and rapidly realized, and the efficiency is improved.
Examples: the guiding limit groove 4 on the sliding base 11, which is parallel to the reference center line 7, is a second limit groove 42, limit end surfaces at two ends of the second limit groove 42 are symmetrically arranged relative to the auxiliary center line 8, and two beam deflection adjusting clamping bodies 32 are arranged in the second limit groove 42 in a relative sliding manner.
The second limit groove 42 is arranged on the upper end surface of the sliding block 9, and the middle part of the sliding block 9 is in sliding fit with the sliding groove 10; the sliding groove 10 is located at the bottom side of the sliding base 11, and the groove of the sliding groove is extended along the direction of the auxiliary center line 8, and the groove width direction of the sliding groove 10 is symmetrically arranged relative to the auxiliary center line 8.
Limiting end surfaces at two ends of the sliding groove 10 are symmetrically arranged relative to the datum center line 7, the limiting end surfaces of the sliding groove 10 are provided with the ranging module 5, and a distance signal output end of the ranging module 5 is electrically connected to a sliding driving device corresponding to the sliding block 9 through a control module.
The carrier sliding block of the second limiting groove is arranged on the bottom surface of the sliding base in a sliding mode, and the clamping blocks which are arranged in the sliding mode are respectively located on two sides of the sliding base, so that side clamping and offset adjustment of the welding piece placed on the supporting limiting surface are conducted.
Preferably, the sliding blocks are provided with two clamping assemblies corresponding to the two clamping assemblies, two ends of the welding piece are just corresponding to the two clamping assemblies, and the sliding adjustment of the sliding blocks can achieve the adjustment of the distance between the two sliding blocks, so that the corresponding position adjustment can be performed according to the size of the welding piece, for example, for clamping of a cross beam, according to the length of the cross beam, the two clamping assemblies are adjusted to be always clamped at the fixed distance of the end part of the cross beam correspondingly, so that the stability of the splicing part of the cross beam and the boundary beam is ensured, and a certain welding interval is reserved.
Based on the structure, the specific clamping and positioning method comprises the following steps:
s1, according to a welding process, firstly, sliding and adjusting the clamping mechanism 1 corresponding to the rigid splicing point to a proper position, and then taking the position of the clamping mechanism 1 of the rigid splicing point as a reference, adjusting the position of the clamping mechanism 1 corresponding to the flexible splicing point through distance measurement and feedback of a base interval measurement module 12.
If a plurality of clamping mechanisms 1 corresponding to the rigid splicing points exist at the same time, determining the position of one of the rigid point clamping mechanisms, and sequentially completing the position adjustment of the plurality of rigid point clamping mechanisms in a near-to-far order by taking the position of the rigid point clamping mechanism as a reference; and finally, comparing the distance measurement value between two adjacent flexible point clamping mechanisms which are regulated by the position reference points of different rigid point clamping mechanisms with a preset value as a feedback signal to judge whether deviation exists in the position regulation.
S2, after the positions of the clamping mechanisms are determined, the cross beam 21 and the side beam 22 are placed at the corresponding positions, and the relative positions of the cross beam and the side beam are preliminarily determined.
And S3, clamping the beams 21 through the beam deflection adjusting clamping body 32, and enabling each beam 21 to be symmetrical relative to the corresponding auxiliary center line 8 through distance measurement feedback adjustment.
S4, the plurality of pressure-sensing clamping bodies 31 synchronously act, the side beams 22 are pushed against the end faces of the cross beams 21 at the corresponding positions, and the side beams 22 at the two sides are symmetrical relative to the reference center line 7 through distance measurement feedback adjustment.
S5, locking the pressure-sensitive clamping body 31 corresponding to the rigid splicing point.
And S6, according to the flexible splice welding process, the pressure feedback signal and the ranging feedback signal are controlled in a linkage way, so that the pressure sensing module 30 corresponding to the flexible splice point reaches the pressure preset value of the corresponding splice point.
The foregoing description is only of the preferred embodiments of the invention, it being noted that: it will be apparent to those skilled in the art that numerous modifications and adaptations can be made without departing from the principles of the invention described above, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (9)
1. Welding part positioning and clamping device with flexible splicing points is characterized in that: the clamping device comprises a plurality of clamping mechanisms (1) which are used for respectively clamping and fixing a plurality of splicing points formed by the abutting and matching of a plurality of cross beams (21) and side edge beams (22), wherein the splicing points are formed by splicing the end surfaces of the cross beams (21) and the side end surfaces of the edge beams;
the clamping mechanisms (1) are linearly arranged and are arranged at adjustable intervals; the clamping mechanism (1) is provided with a plurality of clamping assemblies; each clamping assembly is provided with two clamping bodies which move relatively, the clamping bodies are arranged in corresponding guide limit grooves (4) in a sliding mode, distance measuring modules (5) are respectively arranged on limit end faces at two ends of each guide limit groove (4), and distance signal output ends of the distance measuring modules (5) are electrically connected to sliding driving devices of the clamping bodies at corresponding sides through control modules;
the clamping body of the splicing surface is a pressure sensing clamping body (31), the clamping surface of the clamping body is provided with a pressure sensing module (30), and the pressure signal output end of the pressure sensing module (30) is electrically connected to a sliding driving device of the pressure sensing clamping body (31) where the pressure sensing module is located through a control module.
2. The weldment positioning and clamping device with flexible splice points according to claim 1, wherein: the clamping mechanisms (1) are arranged on a main guide rail in a sliding fit mode, the main guide rail comprises two rails (6) which are arranged in parallel, sliding bases (11) of the clamping mechanisms (1) are transversely arranged on the rails (6) on two sides, a spacing central line of each rail (6) is a reference central line (7), guiding limit grooves (4) perpendicular to the reference central line (7) on the sliding bases (11) are first limit grooves (41), limit end faces at two ends of the guiding limit grooves are symmetrically arranged relative to the reference central line (7), and pressure sensing clamping bodies (31) are arranged in the first limit grooves (41) in a sliding mode.
3. The weldment positioning and clamping device with flexible joints according to claim 2, wherein: the upper end face of the sliding base (11) is a supporting and limiting surface, the supporting and limiting surface is provided with an auxiliary center line (8) perpendicular to the reference center line (7), and the groove width direction of the first limiting groove (41) is symmetrically arranged relative to the auxiliary center line (8); a plurality of beam deflection-adjusting clamping assemblies are arranged along the direction of the auxiliary central line (8) and are used for clamping deflection so that the beams (21) are symmetrical relative to the auxiliary central line (8).
4. A weldment positioning and clamping device with flexible joints as claimed in claim 3, wherein: the guide limit groove (4) of the upper groove of the sliding base (11) is parallel to the reference central line (7) and is a second limit groove (42), limit end faces at two ends of the second limit groove (42) are symmetrically arranged relative to the auxiliary central line (8), and two cross beam deflection clamping bodies (32) are arranged in the second limit groove (42) in a relative sliding mode.
5. The weldment positioning and clamping device with flexible joints according to claim 4, wherein: the second limit groove (42) is arranged on the upper end face of the sliding block (9), and the middle part of the sliding block (9) is in sliding fit with the sliding groove (10); the sliding groove (10) is positioned on the bottom side surface of the sliding base (11), the groove of the sliding groove is arranged in an extending mode along the direction of the auxiliary center line (8), and the groove width direction of the sliding groove (10) is symmetrically arranged relative to the auxiliary center line (8).
6. The weldment positioning and clamping device with flexible joints according to claim 5, wherein: limiting end surfaces at two ends of the sliding groove (10) are symmetrically arranged relative to the datum center line (7), the limiting end surfaces of the sliding groove (10) are provided with the ranging module (5), and a distance signal output end of the ranging module (5) is electrically connected to a sliding driving device corresponding to the sliding block (9) through a control module.
7. The weldment positioning and clamping device with flexible joints according to claim 6, wherein: the base interval measuring modules (12) are arranged at corresponding positions of the sliding bases (11), and the base interval measuring modules (12) are arranged on auxiliary central lines (8) of the corresponding sliding bases (11).
8. The method of clamping a weldment positioning and clamping device with flexible splice points of claim 1, comprising the steps of:
s1, according to a welding process, firstly, sliding and adjusting a clamping mechanism (1) corresponding to a rigid splicing point to a proper position, and then taking the position of the clamping mechanism (1) of the rigid splicing point as a reference, and adjusting the position of the clamping mechanism (1) corresponding to a flexible splicing point through distance measurement and feedback of a base interval measurement module (12);
s2, after the positions of all clamping mechanisms are determined, placing the cross beam (21) and the side beam (22) at corresponding positions, and primarily determining the relative positions of the cross beam and the side beam;
s3, clamping the cross beams (21) through a cross beam deflection-adjusting clamping body (32), and enabling each cross beam (21) to be symmetrical relative to a corresponding auxiliary center line (8) through distance measurement feedback adjustment;
s4, synchronously actuating the plurality of pressure-sensing clamping bodies (31), pushing the leaning side beams (22) to be attached to the end surfaces of the cross beams (21) at the corresponding positions, and enabling the side beams (22) at the two sides to be symmetrical relative to the reference center line (7) through distance measurement feedback adjustment;
s5, locking the pressure-sensitive clamping body (31) corresponding to the rigid splicing point;
and S6, according to the flexible splice welding process, the pressure feedback signal and the ranging feedback signal are controlled in a linkage way, so that the pressure sensing module (30) corresponding to the flexible splice point reaches a pressure preset value corresponding to the splice point.
9. The clamping method of the welding part positioning and clamping device with the flexible splicing point according to claim 1, wherein the clamping method comprises the following steps: in the step S1, if a plurality of clamping mechanisms (1) corresponding to the rigid splicing points exist at the same time, determining the position of one of the rigid point clamping mechanisms, and sequentially completing the position adjustment of the plurality of rigid point clamping mechanisms in a sequence from near to far by taking the position of the rigid point clamping mechanism as a reference; and finally, comparing the distance measurement value between two adjacent flexible point clamping mechanisms which are regulated by the position reference points of different rigid point clamping mechanisms with a preset value as a feedback signal to judge whether deviation exists in the position regulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311669203.5A CN117773459A (en) | 2023-12-07 | 2023-12-07 | Welding part positioning and clamping device with flexible splicing point and clamping method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311669203.5A CN117773459A (en) | 2023-12-07 | 2023-12-07 | Welding part positioning and clamping device with flexible splicing point and clamping method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117773459A true CN117773459A (en) | 2024-03-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311669203.5A Pending CN117773459A (en) | 2023-12-07 | 2023-12-07 | Welding part positioning and clamping device with flexible splicing point and clamping method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN117773459A (en) |
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- 2023-12-07 CN CN202311669203.5A patent/CN117773459A/en active Pending
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