CN112338593A

CN112338593A - Hole milling clamping fixture for transmission shaft welding fork

Info

Publication number: CN112338593A
Application number: CN202011178890.7A
Authority: CN
Inventors: 王广兴; 王广义; 赵忠华; 李辉
Original assignee: Shiyan Xinhang Auto Parts Co ltd
Current assignee: Shiyan Xinhang Auto Parts Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-02-09

Abstract

The invention discloses a milling hole clamping fixture for a transmission shaft welding fork, which belongs to the field of transmission shaft welding fork processing and comprises a base, wherein a vertical plate is installed on one side of the upper surface of the base, a transverse plate is welded on one side of the vertical plate, air cylinders are symmetrically installed on the lower surface of the transverse plate, piston rods of the two air cylinders are connected with a same horizontally arranged mounting plate, a base is installed on the lower surface of the mounting plate, pressing blocks are symmetrically installed on the lower surface of the base, a sliding groove is formed in one side of the vertical plate along the vertical direction, a sliding block is connected in the sliding groove in a sliding manner, a first connecting rod is rotatably installed on one side of the lower surface of the mounting plate, one end of the first connecting rod is rotatably installed on the sliding; the invention has novel design and ingenious structure, can simultaneously clamp the top and the bottom of the welding fork, has good clamping stability, improves the precision of hole milling, and is worthy of popularization.

Description

Hole milling clamping fixture for transmission shaft welding fork

Technical Field

The invention belongs to the technical field of machining of transmission shaft welding forks, and particularly relates to a clamping fixture for milling holes of a transmission shaft welding fork.

Background

In the transmission shaft welding fork course of working, need carry out the hole milling operation to the welding fork, but add man-hour now, need carry out the clamping to the welding fork, do not have the anchor clamps to the welding piece specially at present, lead to welding fork easy skew to rock in the course of working, influence machining precision.

Disclosure of Invention

The invention aims to provide a clamp for clamping a milling hole of a welding fork of a transmission shaft, and the clamp is used for solving the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a hole milling clamping fixture for a transmission shaft welding fork comprises a base, wherein a vertical plate is installed on one side of the upper surface of the base, a transverse plate is welded on one side of the vertical plate, air cylinders are symmetrically installed on the lower surface of the transverse plate, piston rods of the two air cylinders are connected with a mounting plate which is horizontally arranged, a base is installed on the lower surface of the mounting plate, pressing blocks are symmetrically installed on the lower surface of the base, a sliding groove is formed in one side of the vertical plate in the vertical direction, a sliding block is connected in the sliding groove in a sliding mode, a first connecting rod is rotatably installed on one side of the lower surface of the mounting plate, one end of the first connecting rod is rotatably installed on the sliding block, a second connecting rod is rotatably installed on the sliding block, a box body is fixed on the upper surface of the base, a first clamping block and, a movable rod II is movably arranged in the other through hole, the top end of the movable rod I is welded on the clamping block I, a rack I is fixed at the bottom end of the movable rod I, the top end of the movable rod II is welded on the clamping block II, a rack II is fixed at the bottom end of the movable rod II, and a gear is installed between two side walls of the box body through a rotating shaft.

As a preferred embodiment, the base is symmetrically provided with mounting holes.

As a preferable embodiment, the bottom of the pressing block is provided with a rubber pad, and the bottom of the rubber pad is of an arc-shaped structure.

In a preferred embodiment, the first clamping block and the second clamping block are both arc-shaped structures, and rubber pads are bonded on the side walls of the first clamping block and the second clamping block, which are close to each other.

In a preferred embodiment, the first rack and the second rack are parallel to each other, the first rack and the second rack are located on two sides of the gear, and both the first rack and the second rack are meshed with the gear.

Compared with the prior art, the invention has the beneficial effects that:

according to the clamping fixture for milling the hole of the transmission shaft welding fork, the base is firstly installed on a milling machine through the structures of the base, the vertical plate, the transverse plate, the air cylinder, the installation plate, the base, the pressing block, the box body and the like, the welding fork to be milled is placed on the box body, the pressing block is driven to descend by the air cylinder, the welding fork can be pressed, and the clamping fixture is simple and convenient;

this transmission shaft welding fork milling holes clamping anchor clamps drives clamp splice one and clamp splice two and removes through setting up spout, slider, connecting rod one, connecting rod two, clamp splice one, clamp splice two, rack one, rack two and gear isotructure when the briquetting pushes down, can be fixed with the bottom of welding fork, has further improved the stability of centre gripping, makes things convenient for going on of milling holes.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the case of the present invention;

fig. 3 is a plan view of the case of the present invention.

In the figure: 1. a base; 2. a vertical plate; 3. a transverse plate; 4. a cylinder; 5. mounting a plate; 6. a base; 7. briquetting; 8. a chute; 9. a slider; 10. a first connecting rod; 11. a second connecting rod; 12. a box body; 13. a first clamping block; 14. a second clamping block; 15. a first movable rod; 16. a first rack; 17. a second movable rod; 18. a second rack; 19. a gear.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention. The conditions in the embodiments can be further adjusted according to specific conditions, and simple modifications of the method of the present invention based on the concept of the present invention are within the scope of the claimed invention.

Referring to fig. 1-3, the invention provides a clamp for clamping a milling hole of a welding fork of a transmission shaft, which comprises a base 1, wherein the base 1 is symmetrically provided with mounting holes.

Riser 2 is installed to one side of base 1 upper surface, and the welding of one side of riser 2 has diaphragm 3, and cylinder 4 is installed to the lower surface symmetry of diaphragm 3, and the piston rod of two cylinders 4 is connected with mounting panel 5 that same level set up, and the lower surface mounting of mounting panel 5 has base 6, and briquetting 7 is installed to the lower surface symmetry of base 6, and the bottom of briquetting 7 is provided with the rubber pad, and the bottom of rubber pad is the arc structure.

Spout 8 has been seted up along vertical direction to one side of riser 2, sliding connection has slider 9 in the spout 8, one side of 5 lower surfaces of mounting panel is rotated and is installed connecting rod one 10, the one end of connecting rod one 10 is rotated and is installed on slider 9, it installs connecting rod two 11 to rotate on the slider 9, base 1's last fixed surface has box 12, be provided with clamp splice one 13 and clamp splice two 14 on the roof of box 12, clamp splice one 13 and clamp splice two 14 are the arc structure, and it has the rubber pad to bond on the lateral wall that clamp splice one 13 and clamp splice two 14 are close to mutually.

One end of the second connecting rod 11 is rotatably installed on the second clamping block 14, through holes are symmetrically formed in the top wall of the box body 12, a first movable rod 15 is movably arranged in one through hole, a second movable rod 17 is movably arranged in the other through hole, the top end of the first movable rod 15 is welded on the first clamping block 13, a first rack 16 is fixed at the bottom end of the first movable rod 15, the top end of the second movable rod 17 is welded on the second clamping block 14, a second rack 18 is fixed at the bottom end of the second movable rod 17, a gear 19 is installed between the two side walls of the box body 12 through a rotating shaft, the first rack 16 and the second rack 18 are parallel to each other, the first rack 16 and the second rack 18 are located on two sides of the gear 19, and the first rack 16 and the.

When the welding fork is used, the base 1 is provided with the mounting hole, the base 1 is fixed on a milling machine through the mounting hole and the matching bolt, then the welding fork to be processed is placed on the box body 12, the cylinder 4 is opened to drive the mounting plate 5 to descend, the mounting plate 5 drives the base 6 and the pressing block 8 to descend, so that the welding fork is primarily fixed, the connecting rod I10 is driven to descend in the descending process of the mounting plate 5, the connecting rod I10 pushes the sliding block 9 to descend, the sliding block 9 pushes the connecting rod II 11 to move, the connecting rod II 11 can push the clamping block II 14 to move leftwards, the rack II 18 moves leftwards in the leftward movement process of the clamping block II 14, the rack II 18 is meshed with the gear 19, the gear 19 drives the rack I16 to move rightwards, so that the clamping block I13 can be driven to move rightwards, the clamping block I13 and the clamping block II 14 are close to each other, the bottom of, and the hole milling operation is performed by the milling cutter after the unlocking, so that the method is simple and convenient and is worth popularizing.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a transmission shaft welding fork hole milling clamping anchor clamps, includes base (1), its characterized in that: a vertical plate (2) is installed on one side of the upper surface of a base (1), a transverse plate (3) is welded on one side of the vertical plate (2), air cylinders (4) are symmetrically installed on the lower surface of the transverse plate (3), piston rods of the two air cylinders (4) are connected with a mounting plate (5) which is horizontally arranged at the same level, a base (6) is installed on the lower surface of the mounting plate (5), pressing blocks (7) are symmetrically installed on the lower surface of the base (6), a sliding groove (8) is formed in one side of the vertical plate (2) in the vertical direction, a sliding block (9) is connected in the sliding groove (8), a first connecting rod (10) is installed on one side of the lower surface of the mounting plate (5) in a rotating mode, one end of the first connecting rod (10) is installed on the sliding block (9) in a rotating mode, a second connecting rod (11) is installed on the sliding block (9, one end of the second connecting rod (11) is rotatably installed on the second clamping block (14), through holes are symmetrically formed in the top wall of the box body (12), a first movable rod (15) is movably arranged in one through hole, a second movable rod (17) is movably arranged in the other through hole, the top end of the first movable rod (15) is welded on the first clamping block (13), a first rack (16) is fixed at the bottom end of the first movable rod (15), the top end of the second movable rod (17) is welded on the second clamping block (14), a second rack (18) is fixed at the bottom end of the second movable rod (17), and a gear (19) is installed between the two side walls of the box body (12) through a rotating shaft.

2. The clamping fixture for milling the hole of the transmission shaft welding fork according to claim 1, is characterized in that: the base (1) is symmetrically provided with mounting holes.

3. The clamping fixture for milling the hole of the transmission shaft welding fork according to claim 1, is characterized in that: the bottom of the pressing block (7) is provided with a rubber pad, and the bottom of the rubber pad is of an arc-shaped structure.

4. The clamping fixture for milling the hole of the transmission shaft welding fork according to claim 1, is characterized in that: the first clamping block (13) and the second clamping block (14) are both arc-shaped structures, and rubber pads are bonded on the side walls, close to each other, of the first clamping block (13) and the second clamping block (14).

5. The clamping fixture for milling the hole of the transmission shaft welding fork according to claim 1, is characterized in that: the first rack (16) and the second rack (18) are parallel to each other, the first rack (16) and the second rack (18) are located on two sides of the gear (19), and the first rack (16) and the second rack (18) are meshed with the gear (19).