Press machine capable of avoiding workpiece clamping deviation

Abstract

The utility model relates to a press machine capable of avoiding workpiece clamping deviation, which comprises a press machine body, a positioning part is arranged on a working table of the press machine body, the positioning part comprises a bottom plate fixed on the working table, a sliding seat is arranged on the bottom plate, and a limiting assembly is horizontally and slidably connected onto the sliding seat. A rod body is inserted between the two limiting assemblies in a penetrating mode, one free end of the rod body is integrally provided with a limiting end, a limiting section abuts against the outer end face of one limiting assembly, the other free end of the rod body is integrally provided with a screw rod section, the screw rod section is sleeved with an auxiliary plate, and locking nuts are screwed to the portions, located on the two sides of the auxiliary plate, of the screw rod section. The portion, between the two limiting assemblies, of the rod body is sleeved with a compression spring, a rotating base is arranged on the portion, between the auxiliary plate and the adjacent limiting assembly, of the bottom plate, and an oval cam is rotationally connected to the rotating base.

Description

Technical Field

[0001] This utility model belongs to the technical field of presses, and particularly relates to a press that avoids workpiece clamping misalignment. Background Technology

[0002] A patent titled "A Press with Guiding Function" is disclosed in the existing Chinese patent database. The application number is CN202420454529.X, and the application date is 2024-03-09. This press, belonging to the field of press technology, includes a support column. A support plate is fixedly installed at the top of the support column. A control cabinet is fixedly installed on the right side of the support plate. A hydraulic cylinder is fixedly installed at the top of the support plate. A worktable is fixedly installed at the top of the support column. A fixing plate is fixedly installed at the top of the worktable. The side of the fixing plate has a sliding groove, achieving better performance. Before use, the workpiece is placed at the top of the worktable. Then, the handle is rotated, causing the threaded rod to rotate towards the center of the worktable through the fixing block, and the sliding rod to slide towards the center of the worktable through the sliding groove. When the mounting plate contacts the soft pad, it firmly locks the workpiece at the top of the worktable, thus avoiding the workpiece displacement caused by pressure compression during use, as is common in existing presses that lack a guiding structure.

[0003] In the prior art, when the slide of a press is forging a blank, the pressure center needs to be kept as consistent as possible with the axis of the blank. Otherwise, the life of the slide and the mold will be shortened and the blank will be unevenly formed. Therefore, this paper aims to propose a press that avoids workpiece clamping offset and can adjust the position of the workpiece or blank between forging and pressing so that the axis of the workpiece is consistent with the pressure center of the press. Utility Model Content

[0004] The technical problem to be solved by this utility model is how to center the position of the workpiece or billet before forging so that the axis of the workpiece is consistent with the pressure center of the press. In order to improve its shortcomings, this utility model provides a press that avoids workpiece clamping deviation.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution:

[0006] A press for preventing workpiece clamping misalignment includes a press body. A positioning component is provided on the worktable of the press body. The positioning component includes a base plate fixed to the worktable. A sliding seat is provided on the base plate. Limiting components are horizontally slidably connected to the sliding seat. A space for placing a blank is left on the sliding seat between the two limiting components. A rod is inserted between the two limiting components. A limiting end is integrally provided on one free end of the rod and abuts against the outer end face of a limiting component. A screw section is integrally provided on the other free end of the rod. An auxiliary plate is sleeved on the screw section. Locking nuts are screwed onto the screw sections on both sides of the auxiliary plate. A compression spring is sleeved on the rod between the two limiting components. A rotating seat is provided on the base plate between the auxiliary plate and the adjacent limiting component. An elliptical cam is rotatably connected to the rotating seat.

[0007] Compared with the prior art, the beneficial effects of this utility model are: due to the setting of the positioning component, after the workpiece or blank is placed on the worktable, the blank is automatically centered by controlling the rotation of the cam, so that it is consistent with the pressure center of the press slide, thus avoiding the problems of shortened life of the slide and mold and uneven blank forming. This device is suitable for industrial production and has strong practicality.

[0008] As a preferred embodiment, the limiting component includes a sliding block, both sides of which are integrally extended with flanges, the rod body is disposed through the flanges, the inner side of the sliding block is provided with a groove, a clamping block is fixed in the groove by a countersunk bolt, and the outer side of the clamping block is provided with a V-shaped groove.

[0009] As a preferred embodiment, one end of the compression spring abuts against the inner end face of the flange of one sliding block, and the other end abuts against the corresponding inner end face of the flange of another sliding block.

[0010] As a preferred embodiment, the bottom of the cam is integrally provided with a rotating handle. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model.

[0012] Figure 2 This is a schematic diagram of the positioning component in this utility model.

[0013] In the diagram: 1. Press body; 2. Base plate; 3. Sliding seat; 4. Limiting assembly; 401. Sliding block; 402. Flanged edge; 403. Clamping block; 404. V-groove; 5. Space; 6. Rod; 7. Limiting end; 8. Screw section.

[0014] 9. Auxiliary plate, 10. Locking nut, 11. Compression spring, 12. Rotating seat, 13. Cam, 14. Rotating handle. Detailed Implementation

[0015] The technical solution of this application will be further described below with reference to the accompanying drawings and embodiments.

[0016] like Figure 1-2 As shown, a press for preventing workpiece clamping misalignment includes a press body 1. A positioning component is provided on the worktable of the press body 1. The positioning component includes a base plate 2 fixed to the worktable, a sliding seat 3 on the base plate 2, and a limiting component 4 horizontally slidably connected to the sliding seat 3. The sliding connection between the limiting component 4 and the sliding seat 3 is achieved by creating a groove in the sliding seat 3. A space 5 for placing the workpiece is provided on the sliding seat 3 between the two limiting components 4. A rod 6 is interspersed among the components. One free end of the rod 6 is integrally provided with a limiting end 7, which abuts against the outer end face of a limiting component 4. The other free end of the rod 6 is integrally provided with a screw section 8, on which an auxiliary plate 9 is sleeved. Locking nuts 10 are screwed onto the screw sections 8 on both sides of the auxiliary plate 9. A compression spring 11 is sleeved on the rod 6 located between the two limiting components 4. A rotating seat 12 is provided on the base plate 2 located between the auxiliary plate 9 and the adjacent limiting component 4. An elliptical cam 13 is rotatably connected to the rotating seat 12. The limiting component 4 includes a sliding block 401. Both sides of the sliding block 401 have integrally extended flanges 402. The rod 6 passes through the flanges 402. A groove is opened on the inner side of the sliding block 401. A clamping block 403 is fixed in the groove by a countersunk bolt. A V-groove 404 is opened on the outer side of the clamping block 403. One end of the compression spring 11 abuts against the inner end face of the flange 402 of a sliding block 401, and the other end abuts against the inner end face of the corresponding flange 402 of another sliding block 401. A rotating handle 14 is integrally provided at the bottom of the cam 13.

[0017] When the press is working, when the blank is placed in the processing position, the axis position may deviate slightly from the pressure center of the slide. At this time, the operator turns the rotating handle 14 to make the cam 13 rotate. During the rotation of the cam 13, the sliding block 401 on the left side of the worktable slides towards the pressure center, while the auxiliary plate 9 moves in the opposite direction. Through the connecting action of the rod 6, the sliding block 401 on the right side of the worktable slides towards the pressure center, and the position of the placed blank is finely adjusted for centering. After completion, the cam 13 is rotated to the initial position, and the two sliding blocks 401 are disengaged from the blank, thus completing the forging of the blank.

[0018] This utility model is not limited to the above embodiments. Based on the technical solutions disclosed in this utility model, those skilled in the art can make some substitutions and modifications to some of the technical features without creative labor, and these substitutions and modifications are all within the protection scope of this utility model.

Claims

1. A press machine that avoids workpiece clamping offset, characterized by: The press includes a press body (1), and a positioning component is provided on the worktable of the press body (1). The positioning component includes a base plate (2) fixed to the worktable, a sliding seat (3) is provided on the base plate (2), and a limit assembly (4) is horizontally slidably connected to the sliding seat (3). A space (5) for placing the blank is left on the sliding seat (3) between the two limit assemblies (4). A rod (6) is inserted between the two limit assemblies (4). A limit end (7) is integrally provided on one free end of the rod (6). The limit end abuts against the limit section. On the outer end face of a limiting component (4), a screw section (8) is integrally provided on the other free end of the rod (6). An auxiliary plate (9) is sleeved on the screw section (8). Locking nuts (10) are screwed on the screw sections (8) on both sides of the auxiliary plate (9). A compression spring (11) is sleeved on the rod (6) between the two limiting components (4). A rotating seat (12) is provided on the base plate (2) between the auxiliary plate (9) and the adjacent limiting component (4). An elliptical cam (13) is rotatably connected to the rotating seat (12).

2. A press machine for avoiding workpiece clamping offset according to claim 1, characterized in that: The limiting component (4) includes a sliding block (401), and both sides of the sliding block (401) have integrally extended flanges (402). The rod (6) is disposed through the flanges (402). A groove is provided on the inner side of the sliding block (401), and a clamping block (403) is fixed in the groove by a countersunk bolt. A V-groove (404) is provided on the outer side of the clamping block (403).

3. A press machine for avoiding workpiece clamping offset according to claim 2, characterized in that: One end of the compression spring (11) abuts against the inner end face of the flange (402) of a sliding block (401), and the other end abuts against the inner end face of the corresponding flange (402) of another sliding block (401).

4. A press machine for avoiding workpiece clamping offset according to claim 3, characterized in that: The bottom of the cam (13) is integrally provided with a rotating handle (14).

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