Automobile sheet metal part machining multi-point clamp

Abstract

The utility model discloses a multi-point clamp for machining an automobile sheet metal part. The multi-point clamp comprises a clamping bottom plate, a plurality of groups of mounting holes are formed in the clamping bottom plate in an array manner, and a plurality of groups of clamp assemblies are mounted at the top of the clamping bottom plate; the clamp assembly comprises a connecting assembly connected with the clamping bottom plate, the top of the connecting assembly is rotationally connected with a long screw rod through a bearing, and a movable seat is movably arranged on the outer side of the long screw rod. Then, the fixed clamping base and the movable clamping base below the movable plate are used for clamping and fixing the sheet metal part, the long screw rod is connected with the clamping bottom plate through the connecting assembly and the mounting hole, the position of the movable base can be adjusted, and the appropriate position can be adjusted according to the shape of the sheet metal part; and therefore, the clamp assembly is installed along the outer contour of the sheet metal part, the sheet metal part is clamped and fixed through a multi-point-position clamp, and the comprehensiveness of clamping and fixing of the device on different sheet metal parts is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal processing, in particular to a multi-point clamp for processing automobile sheet metal parts. Background Art

[0002] Sheet metal is a comprehensive cold processing technology for thin metal plates, including shearing, punching / cutting / combining, folding, welding, riveting, splicing, forming, etc. Its most notable feature is that the thickness of the same part is consistent. Products processed by sheet metal technology are called sheet metal parts. Sheet metal parts are generally different in different industries, and are mostly used for assembly. Usually, there are special fixtures for fixing automotive sheet metal parts.

[0003] In the prior art, the Chinese utility model with authorization announcement number: CN209903042U discloses a multi-contact clamp for processing automobile sheet metal parts, wherein a protrusion is arranged on the bottom plate, a cylinder is arranged on the protrusion, and the cylinder is perpendicular to the protrusion; a first mounting column fixedly arranged on the bottom plate, a first connecting block clamped to the top of the first mounting column, a first clamping screw threadedly connected to the top of the first clamping groove in the mounting hole of the bottom plate, and a first pressing block is connected to the bottom of the other end of the first connecting block through a nut; a second mounting column fixedly arranged on the bottom plate, a second connecting block clamped to the top of the second mounting column, a second clamping screw threadedly connected to the top of the second clamping groove in the mounting hole of the bottom plate, and a second pressing block is connected to the bottom of the other end of the second connecting block through a nut; a first clamping block and a second clamping block are fixedly arranged on both sides of the bottom plate below the second clamping block, and a pressing screw is arranged on the side of the second clamping block. The device can clamp sheet metal parts through multiple points.

[0004] In the above technical solution, the first connecting block and the second connecting block, with the cooperation of the first locking screw and the second locking screw, limit the sheet metal downward through the first pressing block and the second pressing block. Since the positions of the first pressing block and the second pressing block and the first locking block and the second locking block are fixed, only sheet metal parts of specific shapes can be clamped, and most sheet metal parts cannot be applied, which leads to the limitations of the device. Utility Model Content

[0005] The purpose of the utility model is to provide a multi-point clamp for processing automobile sheet metal parts. The clamp assembly can be installed in different positions as needed through multiple groups of mounting holes, and then the height and horizontal position of the movable plate can be adjusted to facilitate clamping and fixing sheet metal parts of different shapes, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a multi-point fixture for processing automobile sheet metal parts, comprising:

[0007] Clamping base plate;

[0008] The clamping bottom plate is provided with a plurality of mounting holes in an array, and a plurality of fixture assemblies are installed on the top of the clamping bottom plate;

[0009] The clamp assembly includes a connecting assembly connected to a clamping base plate, a long screw being rotatably connected to the top of the connecting assembly via a bearing, a movable seat being movably provided on the outer side of the long screw, a threaded sleeve being fixed inside the movable seat, the long screw passing through the threaded sleeve and being threadedly connected to the threaded sleeve, a movable plate being movably provided inside the movable seat, a fixed clamping seat being fixed to one end of the bottom of the movable plate, a screw being threadably connected to one end of the movable plate away from the fixed clamping seat, and the bottom of the screw being rotatably connected to the movable clamping seat via a bearing.

[0010] Preferably, the connecting assembly includes an internal threaded barrel located above the clamping base plate, the inner cavity of the internal threaded barrel is threadedly connected to a connecting rod with a threaded end at one end, and the connecting rod extends downward through the mounting hole at one end away from the internal threaded barrel and fixes a limiting block.

[0011] Preferably, a through groove is provided inside the movable seat, and the movable plate is located in the inner cavity of the through groove.

[0012] Preferably, a plurality of sets of limiting bolts are threadedly connected to the top of the movable seat, and one end of the limiting bolts penetrates into the inner cavity of the through slot and fits with the movable plate.

[0013] Preferably, a sliding groove is provided at the center of the movable plate, and the long screw is located inside the sliding groove.

[0014] Preferably, a limiting groove communicating with the mounting hole is formed at the bottom of the clamping base plate, and the limiting block is engaged with the limiting groove.

[0015] Preferably, a support ring is fixed to the lower end of the outer side of the internal threaded barrel, the support ring is attached to the upper surface of the clamping base plate, and a plurality of operation holes are provided around the surface of the internal threaded barrel.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The utility model adjusts the height of the movable seat by rotating the long screw, and then uses the fixed clamping seat and the movable clamping seat under the movable plate to clamp and fix the sheet metal. Since the long screw is connected to the clamping base plate through the connecting component and the mounting hole, the position of the movable seat can be adjusted, and the appropriate position can be adjusted according to the shape of the sheet metal, so that the clamp component is installed along the outer contour of the sheet metal, and the sheet metal is clamped and fixed by a multi-point clamp, thereby improving the comprehensiveness of the device for clamping and fixing different sheet metal parts.

[0018] 2. The utility model can adjust the position of the movable plate by setting the sliding groove, and move the fixed clamping seat and the movable clamping seat to different positions of the sheet metal part for limited fixing in coordination with the mounting holes at different positions. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the disassembled three-dimensional structure of the clamp assembly of the utility model;

[0021] Figure 3 It is a schematic diagram of the sectional exploded three-dimensional structure of the movable seat of the utility model;

[0022] Figure 4 It is a bottom-view three-dimensional structural schematic diagram of the clamping base plate of the utility model.

[0023] Numbers in the figure: 1. Clamping base plate; 2. Mounting hole; 3. Connecting assembly; 31. Internal threaded cylinder; 32. Connecting rod; 33. Limiting block; 4. Long screw; 5. Movable seat; 6. Threaded sleeve; 7. Moving plate; 8. Fixed clamping seat; 9. Screw; 10. Movable clamping seat; 11. Through slot; 12. Limiting bolt; 13. Sliding slot; 14. Limiting slot; 15. Support ring; 16. Operating hole. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] The utility model provides Figures 1 to 4 A multi-point fixture for processing automobile sheet metal parts is shown, comprising:

[0026] Clamping base plate 1;

[0027] A plurality of mounting holes 2 are arranged in an array on the clamping base plate 1, and a plurality of fixture components are installed on the top of the clamping base plate 1;

[0028] The clamp assembly includes a connecting assembly 3 connected to a clamping base plate 1, a long screw 4 is rotatably connected to the top of the connecting assembly 3 through a bearing, a movable seat 5 is movably provided on the outer side of the long screw 4, a threaded sleeve 6 is fixed inside the movable seat 5, the long screw 4 passes through the threaded sleeve 6 and is threadedly connected to the threaded sleeve 6, a movable plate 7 is movably provided inside the movable seat 5, a fixed clamping seat 8 is fixed to one end of the bottom of the movable plate 7, a screw rod 9 is threadedly connected to one end of the movable plate 7 away from the fixed clamping seat 8, and a movable clamping seat 10 is rotatably connected to the bottom of the screw rod 9 through a bearing;

[0029] By rotating the long screw 4, the height of the movable seat 5 is adjusted, and then the sheet metal is clamped and fixed by using the fixed clamping seat 8 and the movable clamping seat 10 under the movable plate 7. Since the long screw 4 is connected to the clamping base plate 1 through the connecting component 3 and the mounting hole 2, the position of the movable seat 5 can be adjusted, and the appropriate position can be adjusted according to the shape of the sheet metal, so that the clamp component is installed along the outer contour of the sheet metal, and the sheet metal is clamped and fixed by using a multi-point clamp, thereby improving the comprehensiveness of the device for clamping and fixing different sheet metal parts.

[0030] The connecting assembly 3 includes an internal threaded tube 31 located above the clamping base plate 1. The inner cavity of the internal threaded tube 31 is threadedly connected to a connecting rod 32 with a threaded thread on one end. The end of the connecting rod 32 away from the internal threaded tube 31 extends downward through the mounting hole 2 and is fixed with a limiting block 33. The connecting rod 32 with a threaded thread on one end is threadedly connected to the internal threaded tube 31, so that the extending length of the connecting rod 32 can be adjusted, and then the limiting block 33 is used to clamp the bottom of the clamping base plate 1 to stably install the movable seat 5 on the top of the clamping base plate 1.

[0031] A through groove 11 is provided inside the movable seat 5, and the movable plate 7 is located in the inner cavity of the through groove 11. The through groove 11 facilitates the movable plate 7 to move inside the movable seat 5 and adjust the distance between the fixed clamping seat 8 and the movable clamping seat 10 and the movable seat 5.

[0032] The top of the movable seat 5 is threadedly connected to multiple sets of limit bolts 12, one end of the limit bolt 12 penetrates into the inner cavity of the through groove 11 and fits with the movable plate 7. The limit bolt 12 can be used to limit and fix the movable plate 7 to ensure the stability of the movable plate 7 and prevent the movable plate 7 from moving again after the sheet metal is clamped and fixed, causing the sheet metal to shake.

[0033] A sliding groove 13 is provided at the center of the movable plate 7 , and the long screw 4 is located inside the sliding groove 13 . The setting of the sliding groove 13 facilitates the long screw 4 to penetrate the movable plate 7 , thereby avoiding interference between the long screw 4 and the movable plate 7 .

[0034] 1 is provided with a limiting groove 14 connected to the mounting hole 2, and the limiting block 33 is engaged with the limiting groove 14. The setting of the limiting groove 14 facilitates the engagement of the limiting block 33 to limit the rotation of the connecting rod 32, so that when the internal threaded tube 31 is rotated, the movable seat 5 can be fixed and limited by the internal threaded tube 31.

[0035] A support ring 15 is fixed to the lower end of the outer side of the internal threaded tube 31, and the support ring 15 is attached to the upper surface of 1. A plurality of operating holes 16 are provided around the surface of the internal threaded tube 31. By providing the support ring 15, the contact area between the internal threaded tube 31 and the clamping base plate 1 is increased, which facilitates the stability of the lifting device. At the same time, by providing the operating holes 16, the internal threaded tube 31 can be driven to rotate by a tool to realize the disassembly and assembly of the movable seat 5.

[0036] During specific use, the sheet metal to be fixed is placed on the top of the clamping base plate 1, and then multiple sets of clamp components are placed according to the contour of the sheet metal, and the connecting rod 32 is inserted into the mounting hole 2, and then the connecting rod 32 is rotated so that the limit block 33 is located in the limit groove 14 at the bottom of the clamping base plate 1, and then a tool is inserted into the operating hole 16 and rotated in the internal threaded hole, and the internal threaded tube 31 is rotated outside the connecting rod 32, and the limit block 33 is used to make the internal threaded tube 31 fit on the top of the clamping base plate 1, and then the long screw 4 is rotated to lift the movable seat 5 to the top of the sheet metal, and then the position of the movable plate 7 is adjusted, and the fixed clamping seat 8 or the movable clamping seat 10 is used to fit the top of the sheet metal, and the long screw 4 or the screw 9 is rotated again to move the fixed clamping seat 8 and the movable clamping seat 10 downward to clamp and fix the sheet metal.

[0037] 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 multi-point fixture for processing automobile sheet metal parts, characterized in that: include: Clamping base plate (1); The clamping base plate (1) is provided with a plurality of mounting holes (2) in an array, and a plurality of clamping components are installed on the top of the clamping base plate (1); The clamp assembly comprises a connecting assembly (3) connected to a clamping base plate (1); a long screw (4) is rotatably connected to the top of the connecting assembly (3) via a bearing; a movable seat (5) is movably provided on the outer side of the long screw (4); a threaded sleeve (6) is fixed inside the movable seat (5); the long screw (4) passes through the threaded sleeve (6) and is threadedly connected to the threaded sleeve (6); a movable plate (7) is movably provided inside the movable seat (5); a fixed clamping seat (8) is fixed to one end of the bottom of the movable plate (7); a screw rod (9) is threadedly connected to one end of the movable plate (7) away from the fixed clamping seat (8); and the bottom of the screw rod (9) is rotatably connected to a movable clamping seat (10) via a bearing.

2. The multi-point fixture for processing automobile sheet metal parts according to claim 1, characterized in that: The connection assembly (3) comprises an internal threaded barrel (31) located above the clamping base plate (1); the inner cavity of the internal threaded barrel (31) is threadedly connected to a connecting rod (32) with a threaded end; the end of the connecting rod (32) away from the internal threaded barrel (31) passes through the mounting hole (2) and extends downward to fix a limiting block (33).

3. The multi-point fixture for processing automobile sheet metal parts according to claim 1, characterized in that: A through groove (11) is provided inside the movable seat (5), and the movable plate (7) is located in the inner cavity of the through groove (11).

4. The multi-point fixture for processing automobile sheet metal parts according to claim 1, characterized in that: The top of the movable seat (5) is threadedly connected with a plurality of sets of limiting bolts (12), one end of each limiting bolt (12) penetrates into the inner cavity of the through slot (11) and fits with the movable plate (7).

5. The multi-point fixture for processing automobile sheet metal parts according to claim 1, characterized in that: A sliding groove (13) is provided at the center of the movable plate (7), and the long screw (4) is located inside the sliding groove (13).

6. The multi-point fixture for processing automobile sheet metal parts according to claim 2, characterized in that: A limiting groove (14) communicating with the mounting hole (2) is provided at the bottom of the clamping base plate (1), and the limiting block (33) is snap-connected with the limiting groove (14).

7. The multi-point fixture for processing automobile sheet metal parts according to claim 2, characterized in that: A support ring (15) is fixed to the lower end of the outer side of the internally threaded tube (31), and the support ring (15) is attached to the upper surface of the clamping base plate (1). A plurality of groups of operating holes (16) are provided around the surface of the internally threaded tube (31).

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