Blank holder for hot stamping automobile part production
By designing a hot stamping auto parts production blast material clamper with a complex clamping adjustment structure, the problem that the clamper cannot adapt to parts of different sizes in the prior art is solved, and precise positioning, all-round clamping and fixing and automated adjustment of parts is achieved, and production efficiency and flexibility are improved.
Patent Information
- Application Number
- CN202420607838.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-27
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-03-27
AI Technical Summary
The existing blast material holders in the production of hot stamping automotive parts cannot adapt to ingredients of different sizes, lack the flexibility to adjust the height and angle of the blast material, which affects production efficiency and effect.
A blast material holder including a base, a vertical and horizontal lead screw module, a clamping limit box and a complex clamping adjustment structure are designed. The vertical and horizontal screw module drives the clamping limit box to move, and combines components such as telescopic electric push rods, convex vertical lifting blocks, horizontal telescopic side wall boxes, and relative extrusion telescopic plates to achieve accurate positioning of components, all-round clamping and fixing and automatic adjustment.
The clamp can be used for parts of different specifications, improving processing efficiency and production flexibility, reducing the complexity of manual operation, and ensuring the stability and accuracy of parts during processing.
Smart Images
Figure CN222625980U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automobile parts production, in particular to a blank holder for hot stamping automobile parts production. Background Art
[0002] Auto parts processing covers all the units that make up the whole and a series of products that serve the process. Hot stamping technology, based on the principle of metal thermoplastic forming, realizes the quenching heat treatment of sheet metal during the forming process, thereby significantly improving the forming performance of the material. This technological breakthrough has greatly broadened the application field of high-strength and ultra-high-strength steel in the manufacture of automotive parts. However, in the production process of hot stamping automotive parts, the selection and use of grippers are particularly important.
[0003] There are many types of blank holders used in the production of hot stamping automotive parts on the market, but most of them are inconvenient to use. These holders are often unable to adapt to ingredients of different sizes, and lack the flexibility to adjust the height and angle of the blank according to actual needs. This limitation has greatly affected the efficiency and effect of actual production, and is not conducive to the smooth progress of the production process. Therefore, seeking a more efficient and flexible blank holder has become an urgent problem to be solved in the field of hot stamping automotive parts production. For the above problems, there may already be technical means to solve them in the prior art, but this case wants to provide an alternative or replacement technical solution. Utility Model Content
[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions: a blank holder for hot stamping automobile parts production, comprising: a base, a pair of vertical and horizontal screw modules and a pair of clamping limit boxes, the pair of vertical and horizontal screw modules are relatively parallel installed on the base, the pair of clamping limit boxes are respectively installed on the moving ends of the pair of vertical and horizontal screw modules, and the pair of clamping limit boxes are installed with clamping adjustment structures;
[0005] The clamping adjustment structure comprises: a pair of convex vertical lifting blocks, a pair of horizontal telescopic side wall boxes, a pair of convex side wall telescopic blocks, a pair of relatively extruded telescopic plates, two pairs of convex horizontal expansion telescopic blocks, two pairs of horizontal expansion telescopic threaded rods, two pairs of horizontal expansion telescopic threaded tubes, a plurality of expansion limit shafts, a pair of expansion drive machines, a pair of expansion gear boxes, a plurality of telescopic electric push rods, a telescopic adjustment component and a rotation adjustment component;
[0006] A pair of convex vertical lifting blocks are movably inserted into the inner sides of a pair of clamping limit boxes, a pair of horizontal telescopic side wall boxes are respectively installed on a pair of convex vertical lifting blocks, a pair of convex side wall telescopic blocks are respectively movably inserted into the side walls of a pair of horizontal telescopic side wall boxes, a pair of relative extrusion telescopic plates are respectively installed on a pair of convex side wall telescopic blocks, a pair of convex telescopic adjustment extrusion grooves are respectively opened on a pair of relative extrusion telescopic plates, two pairs of convex horizontal expansion telescopic blocks are respectively movably inserted into the inner sides of a pair of convex telescopic adjustment extrusion grooves, two pairs of horizontal expansion telescopic threaded rods are respectively inserted into the inner sides of two pairs of convex telescopic adjustment extrusion grooves through bearings, and two pairs of telescopic horizontal expansion telescopic threaded tubes are respectively inserted into the two pairs of convex horizontal expansion telescopic blocks , and the two pairs of horizontal expansion telescopic threaded tubes are respectively mounted on the two pairs of horizontal expansion telescopic threaded rods, a pair of expansion gear boxes are respectively mounted on the two pairs of horizontal expansion telescopic threaded rods, a pair of telescopic expansion drive motor driving ends are respectively connected to the pair of expansion gear boxes, a number of expansion limit shafts are respectively inserted into the inner sides of the two pairs of convex telescopic adjustment extrusion grooves, the rotation adjustment assembly is mounted on a pair of relative extrusion telescopic plates, the telescopic adjustment assembly is mounted on a pair of relative extrusion telescopic plates, a number of telescopic electric push rods are respectively mounted on the inner sides of the clamping limit box and a pair of horizontal telescopic side wall boxes, and the pushing ends of a number of telescopic electric push rods are respectively connected to a pair of convex vertical lifting blocks and a pair of convex side wall telescopic blocks;
[0007] It should be noted that, in the above, a pair of vertical and horizontal screw modules on the base are operated to drive a pair of clamping limit boxes respectively, and the telescopic electric push rods inside the pair of clamping limit boxes are extended and retracted, driving the convex vertical lifting block on the pushing end to perform vertical lifting, and the horizontal telescopic side wall box on it is driven to perform vertical lifting through the convex vertical lifting block, and the telescopic electric push rods inside the inner side of a pair of horizontal telescopic side wall boxes are extended and retracted, driving the convex side wall telescopic block on the pushing end, and the relative extrusion telescopic plates thereon are driven through the convex side wall telescopic block, and the pair of convex horizontal expansion telescopic blocks thereon are driven respectively through the relative extrusion telescopic plates, and the convex horizontal expansion telescopic blocks thereon are driven through a pair of relative extrusion telescopic plates. The expansion drive motor on the contraction plate runs, driving the expansion gear box on the driving end of the expansion drive motor to run, and the expansion gear box drives a pair of horizontal expansion telescopic threaded rods on the inner side thereof to rotate, and the pair of horizontal expansion telescopic threaded rods respectively drive the horizontal expansion telescopic threaded tubes on the outer side thereof, and the pair of horizontal expansion telescopic threaded tubes respectively drive the convex horizontal expansion telescopic blocks thereon, and the pair of convex horizontal expansion telescopic blocks are used to horizontally expand and telescope on the inner side of the relatively squeezed telescopic plate, and the pair of convex horizontal expansion telescopic blocks are expanded along the outer side of the parts, thereby driving the change of the telescopic adjustment components on the pair of convex horizontal expansion telescopic blocks to clamp and fix the parts.
[0008] Preferably, the telescopic adjustment assembly comprises: a plurality of vertical lifting concave extrusion blocks, a plurality of vertical lifting limit shafts, a plurality of horizontal telescopic extrusion blocks, a plurality of horizontal extrusion magnets, a plurality of horizontal extrusion electromagnets, four pairs of vertical lifting extrusion electromagnets and a plurality of vertical extrusion magnets;
[0009] A pair of the relative extrusion telescopic plates are respectively provided with a plurality of vertical lifting extrusion grooves, a plurality of the vertical lifting limit shafts are respectively inserted into the inner sides of the plurality of the vertical lifting extrusion grooves, a plurality of the vertical lifting concave extrusion blocks are respectively sleeved on the plurality of the vertical lifting limit shafts, a plurality of the horizontal telescopic extrusion blocks are respectively movably inserted into the inner sides of the plurality of the vertical lifting concave extrusion blocks, a plurality of the horizontal extrusion magnets are respectively installed on the plurality of the horizontal telescopic extrusion blocks, a plurality of the horizontal extrusion electromagnets are respectively installed on the plurality of the vertical lifting concave extrusion blocks, a plurality of the vertical lifting extrusion electromagnets are respectively installed on the inner sides of the plurality of the vertical lifting extrusion grooves, and a plurality of the vertical extrusion magnets are respectively installed on the plurality of the vertical lifting concave extrusion blocks;
[0010] It should be noted that, in the above, the vertical lifting and extruding electromagnet is energized, the vertical lifting and extruding electromagnet is used to magnetically repel the vertical extruding magnet, and the vertical lifting and concave extruding block thereon is driven by the vertical extrusion magnet, so that the vertical lifting and concave extrusion block is vertically adjusted along several vertical lifting limit axes, and the horizontal extrusion electromagnet inside the vertical lifting and concave extrusion block is energized, the horizontal extrusion electromagnet is used to magnetically repel the horizontal extrusion magnet, and at the same time, the horizontal extrusion magnet drives the horizontal telescopic extrusion block thereon, and through the horizontal adjustment of the horizontal telescopic extrusion block and the vertical lifting and extrusion, the components are driven to be extruded and fixed at both sides, up and down.
[0011] Preferably, the rotation adjustment assembly comprises: a pair of rotation driving machines, a pair of rotating discs and a pair of horizontal extrusion jaws;
[0012] A pair of rotating discs are inserted on the pair of relatively extruding and retractable plates through bearings, a pair of rotating driving machines are respectively installed on the pair of relatively extruding and retractable plates, and a pair of driving ends of the rotating driving machines are respectively connected to the pair of rotating discs, and a pair of horizontal extruding clamps are respectively installed on the pair of rotating discs;
[0013] It should be noted that, in the above, when it is necessary to rotate the parts, the parts are squeezed and fixed by the horizontal squeezing jaws, and then the horizontal telescopic squeezing block is horizontally extended and retracted, and the rotary driving machine is operated to drive the rotating disk on the driving end of the rotary driving machine to rotate, and the rotating disk drives the horizontal squeezing jaws thereon, thereby driving the parts to be rotated 180 degrees in the vertical direction.
[0014] Preferably, a plurality of lifting balls are respectively provided on the plurality of the horizontally telescopic extrusion blocks and the plurality of the vertically lifting concave extrusion blocks.
[0015] Preferably, a plurality of the horizontal telescopic extrusion blocks are respectively provided with circular limit blocks.
[0016] Preferably, a scanner is provided on the base.
[0017] The utility model provides a blank holder for hot stamping automobile parts production. It has the following beneficial effects. Compared with the prior art, the blank holder for hot stamping automobile parts production has the following beneficial effects: the vertical and horizontal screw module can accurately drive the clamping limit box to move, and then realize the vertical lifting of the convex vertical lifting block through the telescopic electric push rod. This design ensures the precise positioning of the parts during the processing and improves the processing efficiency; the horizontal telescopic side wall box and the convex side wall telescopic block in the device can be telescopically adjusted according to the size and shape of the parts, so that the device can be suitable for parts of different specifications. At the same time, the coordinated use of the relative extrusion telescopic plate and the convex horizontal expansion telescopic block can realize the all-round clamping and fixing of the parts, and enhance the adaptability of the device; through the operation of the expansion drive machine and the expansion gear box, the device can automatically realize the rotation of the horizontal expansion telescopic threaded rod and the telescopic of the horizontal expansion telescopic threaded tube, thereby driving the convex horizontal expansion telescopic block to expand and retract horizontally. This automated design reduces the complexity of manual operation and improves work efficiency; the coordinated use of the vertical lifting extrusion electromagnet and the horizontal extrusion electromagnet can realize the stable extrusion and fixing of the parts in the vertical and horizontal directions. At the same time, the setting of the vertical lifting limit axis and the horizontal telescopic extrusion block ensures the stability of the parts during the fixing process and prevents processing errors caused by unstable fixing; when the parts need to be rotated, the device can fix the parts through the horizontal extrusion clamp and drive the rotating disc to rotate through the rotary drive machine, thereby realizing a 180-degree rotation of the parts in the vertical direction. This design enables the device to meet more complex processing needs and expand its scope of use. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 This is a schematic front and cross-sectional view of a blank holder for hot stamping automobile parts production according to the utility model.
[0019] Figure 2 for Figure 1 A partial enlarged view of "A".
[0020] Figure 3 for Figure 1 A partial enlarged view of "B".
[0021] In the figure: 1. base; 2. vertical and horizontal screw module; 3. clamping limit box; 4. convex vertical lifting block; 5. horizontal telescopic side wall box; 6. convex side wall telescopic block; 7. relative extrusion telescopic plate; 8. convex horizontal extension telescopic block; 9. horizontal extension telescopic threaded rod; 10. horizontal extension telescopic threaded tube; 11. extension limit shaft; 12. extension drive; 13. extension gear box; 14. vertical lifting concave extrusion block; 15. vertical lifting limit shaft; 16. horizontal telescopic extrusion block; 17. horizontal extrusion magnet; 18. horizontal extrusion electromagnet; 19. vertical lifting extrusion electromagnet; 20. vertical extrusion magnet; 21. rotating drive; 22. rotating disc; 23. horizontal extrusion clamp. DETAILED DESCRIPTION
[0022] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.
[0023] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principles and processes, and no longer explains the electrical control.
[0024] Example
[0025] The present invention will be described in detail below in conjunction with the accompanying drawings. Figure 1-3As shown, a pair of the longitudinal and transverse screw modules 2 are relatively parallelly installed on the base 1, a pair of the clamping limit boxes 3 are respectively installed on the moving ends of the pair of longitudinal and transverse screw modules 2, and a pair of the clamping limit boxes 3 are installed with a clamping adjustment structure; the clamping adjustment structure includes: a pair of convex vertical lifting blocks 4, a pair of horizontal telescopic side wall boxes 5, a pair of convex side wall telescopic blocks 6, a pair of relatively extruded telescopic plates 7, two pairs of convex horizontal expansion telescopic blocks 8, two pairs of horizontal expansion telescopic threaded rods 9, two pairs of horizontal expansion telescopic threaded tubes 10, a plurality of expansion limit shafts 11, a pair of expansion drive machines 12, a pair of expansion gear boxes 13, a plurality of telescopic electric push rods, a telescopic adjustment Joint assembly and rotation adjustment assembly; a pair of convex vertical lifting blocks 4 are respectively movably inserted into the inner side of a pair of clamping limit boxes 3, a pair of horizontal telescopic side wall boxes 5 are respectively installed on a pair of convex vertical lifting blocks 4, a pair of convex side wall telescopic blocks 6 are respectively movably inserted into the side walls of a pair of horizontal telescopic side wall boxes 5, a pair of relative extrusion telescopic plates 7 are respectively installed on a pair of convex side wall telescopic blocks 6, a pair of convex telescopic adjustment extrusion grooves are respectively opened on a pair of relative extrusion telescopic plates 7, two pairs of convex horizontal expansion telescopic blocks 8 are respectively movably inserted into the inner side of a pair of convex telescopic adjustment extrusion grooves, and two pairs of horizontal expansion telescopic threads The rods 9 are respectively inserted into the inner sides of the two pairs of convex telescopic adjustment extrusion grooves through bearings, the two pairs of telescopic horizontal expansion telescopic threaded tubes 10 are respectively inserted into the two pairs of convex horizontal expansion telescopic blocks 8, and the two pairs of horizontal expansion telescopic threaded tubes 10 are respectively sleeved on the two pairs of horizontal expansion telescopic threaded rods 9, a pair of expansion gear boxes 13 are respectively sleeved on the two pairs of horizontal expansion telescopic threaded rods 9, the driving ends of a pair of telescopic expansion driving machines 12 are respectively connected to a pair of expansion gear boxes 13, a plurality of expansion limit shafts 11 are respectively inserted into the inner sides of the two pairs of convex telescopic adjustment extrusion grooves, and the rotation adjustment assembly is installed on a pair of relative extrusion telescopic plates 7 The telescopic adjustment component is installed on a pair of relative extrusion telescopic plates 7, and a plurality of telescopic electric push rods are respectively installed on the inner sides of the clamping limit box 3 and a pair of horizontal telescopic side wall boxes 5, and the pushing ends of the plurality of telescopic electric push rods are respectively connected to a pair of convex vertical lifting blocks 4 and a pair of convex side wall telescopic blocks 6; the telescopic adjustment component includes: a plurality of vertical lifting concave extrusion blocks 14, a plurality of vertical lifting limit shafts 15, a plurality of horizontal telescopic extrusion blocks 16, a plurality of horizontal extrusion magnets 17, a plurality of horizontal extrusion electromagnets 18, four pairs of vertical lifting extrusion electromagnets 19 and a plurality of vertical extrusion magnets 20;A pair of the relative extrusion telescopic plates 7 are respectively provided with a plurality of vertical lifting extrusion grooves, a plurality of the vertical lifting limit shafts 15 are respectively inserted into the inner sides of the plurality of the vertical lifting extrusion grooves, a plurality of the vertical lifting concave extrusion blocks 14 are respectively mounted on the plurality of the vertical lifting limit shafts 15, a plurality of the horizontal telescopic extrusion blocks 16 are respectively movably inserted into the inner sides of the plurality of the vertical lifting concave extrusion blocks 14, a plurality of the horizontal extrusion magnets 17 are respectively installed on the plurality of the horizontal telescopic extrusion blocks 16, a plurality of the horizontal extrusion electromagnets 18 are respectively installed on the plurality of the vertical lifting concave extrusion blocks 14, a plurality of the vertical lifting extrusion electromagnets 19 are respectively installed on the inner sides of the plurality of the vertical lifting extrusion grooves, and a plurality of the vertical extrusion magnets 20 are respectively installed on Several vertical lifting concave extrusion blocks 14; the rotation adjustment assembly includes: a pair of rotation drive machines 21, a pair of rotating discs 22 and a pair of horizontal extrusion clamps 23; the pair of rotating discs 22 are inserted into the pair of relative extrusion telescopic plates 7 through bearings, the pair of rotation drive machines 21 are respectively installed on the pair of relative extrusion telescopic plates 7, and the driving ends of the pair of rotation drive machines 21 are respectively connected to the pair of rotating discs 22, and the pair of horizontal extrusion clamps 23 are respectively installed on the pair of rotating discs 22; several lifting balls are respectively arranged on several horizontal telescopic extrusion blocks 16 and several vertical lifting concave extrusion blocks 14; several horizontal telescopic extrusion blocks 16 are respectively arranged with circular limit blocks; a scanner is arranged on the base 1. ;
[0026] According to the attached Figure 1-3It is concluded that through the operation of a pair of vertical and horizontal screw modules 2 on the base 1, a pair of clamping limit boxes 3 are driven respectively, and the telescopic electric push rods inside the pair of clamping limit boxes 3 are extended and retracted, driving the convex vertical lifting block 4 on the pushing end to perform vertical lifting, and the horizontal telescopic side wall box 5 on it is driven to perform vertical lifting through the convex vertical lifting block 4, and the telescopic electric push rods inside the pair of horizontal telescopic side wall boxes 5 are extended and retracted, driving the convex side wall telescopic block 6 on the pushing end, and the relative extrusion telescopic plate 7 thereon is driven through the convex side wall telescopic block 6, and through the relative extension and retraction of a pair of relative extrusion telescopic plates 7, a pair of convex water The horizontal expansion telescopic block 8 is operated by a pair of expansion drive machines 12 on the relatively extruded telescopic plates 7, driving the expansion gear box 13 on the driving end of the expansion drive machine 12 to operate, and the expansion gear box 13 drives the pair of horizontal expansion telescopic threaded rods 9 on the inner side thereof to rotate, and the pair of horizontal expansion telescopic threaded rods 9 respectively drive the horizontal expansion telescopic threaded tubes 10 on the outer side thereof, and the pair of horizontal expansion telescopic threaded tubes 10 respectively drive the convex horizontal expansion telescopic block 8 on the inner side of the relatively extruded telescopic plate 7, and the pair of convex horizontal expansion telescopic blocks 8 are horizontally expanded and telescoped by the pair of convex horizontal expansion telescopic blocks 8 along the inner side of the relatively extruded telescopic plate 7. The outer side of the component is expanded, thereby driving the change of the telescopic adjustment components on a pair of convex horizontal expansion telescopic blocks 8 to clamp and fix the component; the vertical lifting extrusion electromagnet 19 is energized, and the vertical lifting extrusion electromagnet 19 magnetically repels the vertical extrusion magnet 20, and the vertical lifting concave extrusion block 14 on it is driven by the vertical extrusion magnet 20, so that the vertical lifting concave extrusion block 14 is vertically adjusted along a plurality of vertical lifting limit axes 15, and the horizontal extrusion electromagnet 18 on the inner side of the vertical lifting concave extrusion block 14 is energized, and the horizontal extrusion electromagnet 18 magnetically repels the horizontal extrusion magnet 17 The components are squeezed and fixed at both ends by the horizontal squeezing jaws 23 when the components need to be rotated. After that, the horizontal squeezing block 16 is horizontally extended and retracted, and the rotary drive machine 21 is operated to drive the rotating disc 22 on the driving end of the rotary drive machine 21 to rotate. The rotating disc 22 drives the horizontal squeezing jaws 23 thereon, thereby driving the components to rotate 180 degrees in the vertical direction.
[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A blank holder for hot stamping automobile parts production, comprising: A base, a pair of vertical and horizontal screw modules and a pair of clamping limit boxes, characterized in that the pair of vertical and horizontal screw modules are relatively parallelly installed on the base, the pair of clamping limit boxes are respectively installed on the moving ends of the pair of vertical and horizontal screw modules, and the pair of clamping limit boxes are installed with clamping adjustment structures; The clamping adjustment structure comprises: a pair of convex vertical lifting blocks, a pair of horizontal telescopic side wall boxes, a pair of convex side wall telescopic blocks, a pair of relatively extruded telescopic plates, two pairs of convex horizontal expansion telescopic blocks, two pairs of horizontal expansion telescopic threaded rods, two pairs of horizontal expansion telescopic threaded tubes, a plurality of expansion limit shafts, a pair of expansion drive machines, a pair of expansion gear boxes, a plurality of telescopic electric push rods, a telescopic adjustment component and a rotation adjustment component; A pair of convex vertical lifting blocks are movably inserted into the inner sides of a pair of clamping limit boxes, a pair of horizontal telescopic side wall boxes are respectively installed on a pair of convex vertical lifting blocks, a pair of convex side wall telescopic blocks are respectively movably inserted into the side walls of a pair of horizontal telescopic side wall boxes, a pair of relative extrusion telescopic plates are respectively installed on a pair of convex side wall telescopic blocks, a pair of convex telescopic adjustment extrusion grooves are respectively opened on a pair of relative extrusion telescopic plates, two pairs of convex horizontal expansion telescopic blocks are respectively movably inserted into the inner sides of a pair of convex telescopic adjustment extrusion grooves, two pairs of horizontal expansion telescopic threaded rods are respectively inserted into the inner sides of two pairs of convex telescopic adjustment extrusion grooves through bearings, and two pairs of telescopic horizontal expansion telescopic threaded tubes are respectively inserted into the two pairs of convex horizontal expansion telescopic blocks , and the two pairs of horizontal expansion telescopic threaded tubes are respectively mounted on the two pairs of horizontal expansion telescopic threaded rods, a pair of expansion gear boxes are respectively mounted on the two pairs of horizontal expansion telescopic threaded rods, a pair of telescopic expansion drive motors have their driving ends connected to the pair of expansion gear boxes, and a number of expansion limit shafts are respectively inserted into the inner sides of the two pairs of convex telescopic adjustment extrusion grooves, the rotation adjustment assembly is mounted on a pair of relative extrusion telescopic plates, the telescopic adjustment assembly is mounted on a pair of relative extrusion telescopic plates, a number of telescopic electric push rods are respectively mounted on the inner sides of the clamping limit box and a pair of horizontal telescopic side wall boxes, and the pushing ends of a number of telescopic electric push rods are respectively connected to a pair of convex vertical lifting blocks and a pair of convex side wall telescopic blocks.
2. A blank holder for hot stamping automobile parts production according to claim 1, characterized in that: The telescopic adjustment assembly comprises: a plurality of vertical lifting concave extrusion blocks, a plurality of vertical lifting limit shafts, a plurality of horizontal telescopic extrusion blocks, a plurality of horizontal extrusion magnets, a plurality of horizontal extrusion electromagnets, four pairs of vertical lifting extrusion electromagnets and a plurality of vertical extrusion magnets; A pair of the relative extrusion telescopic plates are respectively provided with a plurality of vertical lifting extrusion grooves, a plurality of the vertical lifting limit shafts are respectively inserted into the inner sides of the plurality of the vertical lifting extrusion grooves, a plurality of the vertical lifting concave extrusion blocks are respectively mounted on the plurality of the vertical lifting limit shafts, a plurality of the horizontal telescopic extrusion blocks are respectively movably inserted into the inner sides of the plurality of the vertical lifting concave extrusion blocks, a plurality of the horizontal extrusion magnets are respectively installed on a plurality of the horizontal telescopic extrusion blocks, a plurality of the horizontal extrusion electromagnets are respectively installed on a plurality of the vertical lifting concave extrusion blocks, a plurality of the vertical lifting extrusion electromagnets are respectively installed on the inner sides of the plurality of the vertical lifting extrusion grooves, and a plurality of the vertical extrusion magnets are respectively installed on a plurality of the vertical lifting concave extrusion blocks.
3. A blank holder for hot stamping automobile parts production according to claim 2, characterized in that: The rotation adjustment assembly includes: a pair of rotation driving machines, a pair of rotating discs and a pair of horizontal extrusion jaws; A pair of rotating discs are inserted into the pair of relatively extruding and retractable plates through bearings, a pair of rotating driving machines are respectively installed on the pair of relatively extruding and retractable plates, and the driving ends of a pair of rotating driving machines are respectively connected to the pair of rotating discs, and a pair of horizontal extruding clamps are respectively installed on the pair of rotating discs.
4. A blank holder for hot stamping automobile parts production according to claim 3, characterized in that: A plurality of lifting balls are respectively arranged on the plurality of horizontal telescopic extrusion blocks and the plurality of vertical lifting concave extrusion blocks.
5. A blank holder for hot stamping automobile parts production according to claim 4, characterized in that: A plurality of the horizontal telescopic extrusion blocks are respectively provided with circular limiting blocks.
6. A blank holder for hot stamping automobile parts production according to claim 5, characterized in that: A scanner is arranged on the base.