CN-116511807-B - Clamp tool for latch hook reinforcing plate assembly

CN116511807BCN 116511807 BCN116511807 BCN 116511807BCN-116511807-B

Abstract

The invention discloses a fixture tool for a lock hook reinforcing plate assembly, which is used for clamping a reinforcing plate and a lock hook, so that the reinforcing plate can be welded and connected into the lock hook reinforcing plate assembly, and comprises a first plate surface and a second plate surface which are opposite. The fixture tool comprises a base station, a positioning assembly, a plate surface clamping pair and a lock hook clamping assembly, wherein the positioning assembly is arranged on the base station and used for positioning a reinforcing plate, the plate surface clamping pair is arranged on the base station, each plate surface clamping pair comprises a pressing block and a supporting block which are arranged opposite to each other, the supporting block is used for propping against a first plate surface, the pressing block is used for pressing against a second plate surface, the plate surface clamping pair comprises a plurality of plate surface clamping pairs which are suitable for being arranged at a plurality of corners of the reinforcing plate, at least one corner is provided with at least two plate surface clamping pairs so as to form over-constraint on the corners of the reinforcing plate, the lock hook clamping assembly is arranged on the base station and used for clamping a lock hook, and the lock hook and the reinforcing plate are kept relatively fixed.

Inventors

LI ERXU
ZHANG GUOLIANG
MENG XIANGXIN
DAI ZHIYONG
BAI XUE
MA XIANG
LUO CHANGJIANG

Assignees

奇瑞汽车股份有限公司

Dates

Publication Date: 20260505
Application Date: 20230616

Claims (10)

1. The utility model provides a clamp fixture of latch hook reinforcing plate assembly, clamp fixture is used for carrying out the centre gripping with reinforcing plate and latch hook, makes follow-up welded connection become latch hook reinforcing plate assembly, the reinforcing plate includes relative first face and second face, its characterized in that, clamp fixture includes: A base station; The positioning assembly is arranged on the base and is used for positioning the reinforcing plate; The plate clamping pairs are arranged on the base, each plate clamping pair comprises a pressing block and a supporting block which are arranged opposite to each other, the supporting blocks are used for propping against the first plate surface, the pressing blocks are used for pressing against the second plate surface, each plate clamping pair comprises a plurality of plate clamping pairs, the plate clamping pairs are suitable for being arranged at a plurality of corners of the reinforcing plate, and at least one corner is provided with at least two plate clamping pairs so as to form over-constraint on the corners of the reinforcing plate; The locking hook clamping assembly is arranged on the base, and is used for clamping the locking hook and keeping the locking hook and the reinforcing plate relatively fixed; The lock hook comprises a lock ring section and a connecting section connected with the lock ring section, and the connecting section is used for welding and connecting the reinforcing plate; the locking hook clamping assembly comprises symbol-shaped blocks positioned at two opposite sides of the locking ring section, the two symbol-shaped blocks are arranged along the direction parallel to the reinforcing plate, symbol-shaped grooves are respectively formed in the symbol-shaped blocks at two sides, and the symbol-shaped grooves at two sides are used for wrapping two ends of the locking ring section; The locking hook clamping assembly further comprises a locking hook positioning piece located between the two symbol-shaped blocks, the locking hook positioning piece forms a locking hook positioning groove on one side facing the reinforcing plate, and the middle part of the locking ring section is clamped in the locking hook positioning groove.
2. The fixture tool of claim 1, wherein the locking ring section comprises three cylindrical sections connected in sequence, the symbol-shaped groove is a semicircular groove, and the diameter of the groove is greater than or equal to the diameter of the cylindrical sections.
3. The fixture assembly of any one of claims 1-2, wherein the shackle stiffening plate assembly further comprises two swivel arms rotatably coupled to the base, the swivel arms being coupled to the symbol blocks at respective ends adjacent to each other.
4. The fixture tool of the latch hook reinforcing plate assembly according to claim 3, wherein each rotating arm is provided with a handrail; the base station is also provided with a stop arm corresponding to each rotating arm, the stop arm is provided with a stop groove, and when the lock hook clamping assembly clamps the lock hook, the rotating arm is inserted into the stop groove.
5. The fixture tool for the lock hook reinforcing plate assembly according to claim 1, wherein the positioning component comprises a first upright, a second upright and a first positioning component, wherein the end face of the first upright is used for propping against the first plate surface, and a positioning groove is formed in the end face of the first upright; A part of the reinforcing plate protrudes downwards and is positioned in the positioning groove, and the lower end of the locking hook is positioned at the position where the reinforcing plate protrudes downwards.
6. The fixture assembly of claim 1, wherein the positioning assembly comprises at least one second post, each second post having at least one positioning pin disposed thereon for insertion into a positioning hole of the reinforcing plate.
7. The fixture tool of claim 1, further comprising a lifting platform disposed on the base platform, the lifting platform being liftable relative to the base platform, all of the support blocks being disposed on the lifting platform, the compression block being disposed above the support blocks.
8. The fixture tool of the lock hook reinforcing plate assembly according to claim 7, wherein two parallel connecting rods are arranged on the base station, and two ends of each connecting rod are respectively connected with two compression blocks; the lifting table is provided with a plurality of support columns, and the top of each support column is provided with a support block.
9. The fixture tool of claim 7, further comprising an air cylinder coupled to the lift table.
10. The clamp tooling of claim 1 wherein the reinforcing plate is adapted to be laterally positioned on the clamp tooling, the reinforcing plate including flange regions at four corners and raised regions raised upwardly relative to the flange regions; Each corner of the reinforcing plate is suitable for clamping two plate surface clamping pairs, one of the plate surface clamping pairs is clamped in the flange area, the other plate surface clamping pairs are clamped in the protruding area, and the pressing blocks of the protruding area are higher than those of the flange area.

Description

Clamp tool for latch hook reinforcing plate assembly Technical Field The invention relates to the technical field of clamp equipment, in particular to a clamp tool of a lock hook reinforcing plate assembly. Background In recent years, the economic and automobile industries in China develop rapidly, and the requirements of people on quality feeling, quality requirement and performance of automobiles are increasingly higher, and the automobile body is smooth, attractive and dynamic. The performance requirements of the front hatch cover are also increasingly increased, the requirements of customers and the front hatch cover are increased, the automobile front hatch cover lock hook reinforcing plate assembly is positioned between the inner plate and the outer plate of the front hatch cover, and the automobile front hatch cover lock hook reinforcing plate assembly is mainly used for welding the lock hook and the automobile front hatch cover and then welding the lock hook and the inner plate of the front hatch cover together, so that the front hatch cover is integrally connected with the lock, and the stability and the reliability of the integral connection of the front hatch cover and the automobile body are ensured. The automobile front hatch cover lock hook reinforcing plate assembly comprises an automobile front hatch cover lock hook reinforcing plate assembly and a lock hook, and the lock hook is welded on the automobile front hatch cover lock hook reinforcing plate assembly through carbon dioxide protection welding. However, as the welding length of the carbon dioxide welding process is too long and the welding requirement is full welding, the two welding flange faces of the front hatch cover lock hook reinforcing plate assembly of the automobile are deformed seriously after welding, the welding quality of the front hatch cover lock hook reinforcing plate assembly of the automobile and the front hatch cover inner plate is seriously affected, and the product quality requirement cannot be met. Disclosure of Invention The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide a fixture for a latch hook reinforcing plate assembly, which should fix and limit the reinforcing plate and the latch hook, so as to reduce the deformation of the reinforcing plate during welding and improve the production quality of the product. According to the fixture tool for the lock hook reinforcing plate assembly, which is disclosed by the embodiment of the invention, the fixture tool is used for clamping the reinforcing plate and the lock hook, so that the subsequent lock hook reinforcing plate assembly can be welded and connected, and the reinforcing plate comprises a first plate surface and a second plate surface which are opposite. The fixture tool comprises a base, a positioning assembly, a plate surface clamping assembly and a lock hook clamping assembly, wherein the positioning assembly is arranged on the base and used for positioning the reinforcing plate, the plate surface clamping assembly is arranged on the base, each plate surface clamping assembly comprises a pressing block and a supporting block which are arranged opposite to each other, the supporting blocks are used for propping against the first plate surface, the pressing blocks are used for pressing against the second plate surface, the plate surface clamping assembly comprises a plurality of plate surface clamping pairs, the plate surface clamping pairs are suitable for being arranged at a plurality of corners of the reinforcing plate, at least one corner is provided with at least two plate surface clamping pairs so as to form overconstraint on the corners of the reinforcing plate, and the lock hook clamping assembly is arranged on the base and used for clamping the lock hook and keeping the lock hook and the reinforcing plate relatively fixed. According to the fixture tool for the lock hook reinforcing plate assembly, the plurality of plate surface clamping pairs are arranged to clamp and fix the positioned reinforcing plate, the stress of the reinforcing plate is uniform, the reinforcing plate can be firmly fixed, the plurality of plate surface clamping pairs form over-constraint on the corners of the reinforcing plate, the deformation of the reinforcing plate in the welding process can be reduced, and the product quality of the lock hook reinforcing plate assembly is improved. And the locking hook clamping assembly is arranged, so that the locking hook and the reinforcing plate are kept relatively fixed, the working stability of the welding process is improved, and the product quality of the locking hook reinforcing plate assembly is improved. In some embodiments, the locking hook comprises a locking ring section and a connecting section connected with the locking ring section, the connecting section is used for welding and connecting the reinforcing plate,