CN219542168U

CN219542168U - Chuck special for transmission shaft joint fork welding machine

Info

Publication number: CN219542168U
Application number: CN202320538208.3U
Authority: CN
Inventors: 朱俊飞; 闫培龙; 汤聪
Original assignee: Hangzhou Qianhong Precision Machinery Co ltd
Current assignee: Hangzhou Qianhong Precision Machinery Co ltd
Priority date: 2023-03-20
Filing date: 2023-03-20
Publication date: 2023-08-18
Anticipated expiration: 2033-03-20

Abstract

The utility model relates to the technical field of mechanical equipment, in particular to a chuck special for a transmission shaft joint fork welder, which comprises a claw assembly, a chuck seat and a pull sleeve; the clamping jaw assemblies are provided with two groups, the two groups of clamping jaw assemblies are oppositely arranged on the chuck seat, and the upper end parts of the clamping jaw assemblies slide relative to the chuck seat; the axis of the chuck seat is provided with a through mounting hole; the pull sleeve is arranged in the mounting hole and axially slides with the inner wall of the mounting hole; the lower ends of the two groups of claw assemblies are connected with the pulling sleeve, and the two claw assemblies are arranged on the end face of the chuck seat and are driven by the pulling sleeve to fold to achieve clamping, so that manual clamping is changed into mechanical clamping, and the working efficiency of the welding machine tool is improved.

Description

Chuck special for transmission shaft joint fork welding machine

Technical Field

The utility model relates to the technical field of mechanical equipment, in particular to a chuck special for a transmission shaft joint fork welding machine.

Background

The welding fixture is used as a welding fixture on a welding machine tool, accurately positions and clamps the workpiece, and is used for assembly and welding process equipment. In the field of engineering machinery, there are often some workpieces with holes, and the welding seams of the workpieces are short and have more required welding position states, and generally, the workpieces need to be clamped by using a special welding fixture.

The welding machine chuck is one kind of welding fixture and is used mainly in clamping and then welding the transmission shaft yoke, and in the prior art, the workpiece is generally positioned and pressed on the clamping platform in a purely manual mode of positioning pin shafts, pressing plates and tightening bolts. Time and labor are wasted, labor intensity is high, tooling efficiency is low, and processing time is long.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model aims to provide a chuck special for a transmission shaft joint fork welder, which can improve the working efficiency of a welding machine tool.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a special chuck for a transmission shaft joint fork welding machine comprises a claw assembly, a chuck seat and a pull sleeve; the clamping jaw assemblies are provided with two groups, the two groups of clamping jaw assemblies are oppositely arranged on the chuck seat, and the upper end parts of the clamping jaw assemblies slide relative to the chuck seat; the axis of the chuck seat is provided with a through mounting hole; the pull sleeve is arranged in the mounting hole and axially slides with the inner wall of the mounting hole; the lower end parts of the two groups of claw assemblies are connected with the pull sleeve.

Preferably, the two groups of claw assemblies are symmetrically arranged at two sides of the axis of the chuck base.

Preferably, the jaw assembly comprises a jaw, a connecting seat, a lever and a rotating shaft; the lever is sleeved on the rotating shaft, and both the lever and the rotating shaft are arranged in the chuck seat; the connecting seat is arranged at the upper end of the chuck seat and is in sliding connection with the chuck seat; one end of the lever is connected with the pull sleeve, and the other end of the lever is connected with the lower end of the connecting seat; the lower end of the claw is connected with the upper end of the connecting seat.

Preferably, the jaw assembly further comprises a locating pin; the locating pin transversely installs the upper end at the jack catch.

Preferably, the chuck seat is provided with a sliding groove and a mounting groove; the two sliding grooves and the two mounting grooves are symmetrically distributed on two sides of the mounting hole; the sliding groove mounting groove is positioned in the chuck seat, and the sliding groove is positioned at the upper end part of the chuck seat; the lever and the rotating shaft are arranged in the mounting groove; the connecting seat is positioned in the chute.

Preferably, the device further comprises a limiting disc; the limiting disc is arranged at the upper end of the chuck seat; a through hole is formed in the axis of the limiting disc; symmetrical limiting grooves are formed in two sides of the through hole; the through hole is not communicated with the limit groove; the position of the limiting groove corresponds to the position of the sliding groove.

Preferably, the size of the limiting disc is matched with the size of the upper end part of the chuck seat.

Preferably, the lever is of a C-shaped structure.

Compared with the prior art, the utility model has the beneficial effects that: through setting up two jack catch assemblies on chuck seat terminal surface, jack catch assembly is drawn the cover and is driven to close and realize the centre gripping, changes manual centre gripping into mechanical centre gripping, improves welding machine tool work efficiency from this.

Drawings

FIG. 1 is a schematic cross-sectional view of a chuck according to the present utility model;

FIG. 2 is a schematic perspective view of a chuck according to the present utility model;

FIG. 3 is a schematic diagram of the structure of the claw and the pull sleeve of the utility model;

FIG. 4 is a schematic view of a chuck base according to the present utility model;

fig. 5 is a schematic view of a limiting plate structure according to the present utility model.

In the figure: the device comprises a transmission shaft yoke, a 2 claw, a 3 positioning pin, a 4 connecting seat, a 5 lever, a 6 rotating shaft, a 7 chuck seat, an 8 pull sleeve, a 9 limiting disc, a 701 mounting hole, a 702 sliding groove, a 703 mounting groove, a 901 through hole and a 902 limiting groove.

Detailed Description

The following detailed description of the utility model, taken in conjunction with the accompanying drawings, will provide those skilled in the art with a more readily understood understanding of how the utility model may be practiced. While the present utility model has been described in connection with the preferred embodiments thereof, these embodiments are set forth only and are not intended to limit the scope of the utility model.

First embodiment: referring to fig. 1-5, a chuck special for a propeller shaft yoke welder, comprising: the clamping jaw assembly, the chuck seat 7, the pull sleeve 8 and the limiting disc 9;

as shown in fig. 4, the chuck base 7 is cylindrical, a through mounting hole 701 is formed along the axis of the chuck base 7, a sliding slot 702 is formed at the upper end of the chuck base 7 in the radial direction, and a mounting slot 703 is formed in the chuck base 7; the sliding groove 702 and the mounting groove 703 are both symmetrically arranged at two sides of the mounting hole 701; the positions of the sliding grooves 702 and the mounting grooves 703 are in one-to-one correspondence; in the present embodiment, spaces among the mounting hole 701, the sliding groove 702 and the mounting groove 703 are mutually communicated; during assembly, the pull sleeve 8 is installed in the installation hole 701, and the pull sleeve 8 can axially slide in the installation hole 701 under the action of external force.

A through hole 901 is formed in the axis of the limiting disc 9, and two limiting grooves 902 are symmetrically formed in two sides of the through hole 901; the limiting groove 902 is of a U-shaped structure, and an opening of the limiting groove is positioned at the edge of the limiting disc 9; the limiting discs 9 are arranged on the upper side of the chuck seat 7 through bolts, and the limiting grooves 902 are longitudinally overlapped with the sliding grooves 702 and are in one-to-one correspondence; the end face size of the limiting disc 9 is matched with the size of the upper end part of the chuck seat 7, so that the consistency of the appearance of the chuck can be ensured.

The clamping jaw assembly comprises a clamping jaw 2, a positioning pin 3, a connecting seat 4, a lever 5 and a rotating shaft 6; the rotating shaft 6 is alternatively arranged in the mounting groove 703, the lever 5 is sleeved on the rotating shaft 6, one end of the lever 5 is connected with the pull sleeve 8, and the other end is connected with the lower end of the connecting seat 4; in the embodiment, the lever 5 is of a C-shaped structure, so that the volume of the lever can be reduced, and the lever is convenient to install; the connecting seat 4 is installed in the sliding groove 702, and the connecting seat 4 can slide along the sliding groove 702; the lower end of the clamping claw 2 is connected with the upper end of the connecting seat 4 through a bolt; the lower end part of the claw 2 is positioned in the limit groove 902; the locating pin 3 is transversely arranged at the upper end part of the claw 2 so as to clamp the transmission shaft yoke in cooperation with the claw 2.

In this embodiment, the two groups of jaw assemblies are symmetrically mounted on the chuck base 7 to form a clamping structure.

According to the working principle of the chuck special for the welding machine, the pull rod oil cylinder is connected with the pull sleeve, the pull sleeve is driven to axially move through axial movement, the pull sleeve is driven to lever movement, the lever drives the clamping jaw to radially move, the limiting disc limits the clamping jaw, the clamping jaw moves radially with the positioning pin, the transmission shaft joint fork is clamped, and automatic clamping of the chuck is achieved through the pull rod oil cylinder.

Through this technical scheme, set up two jack catch subassemblies on chuck seat terminal surface, jack catch subassembly is driven by the pull sleeve and is foled the realization centre gripping, changes manual centre gripping into mechanical centre gripping, improves welding machine tool work efficiency from this.

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

Claims

1. The utility model provides a special chuck of transmission shaft festival fork welding machine which characterized in that: comprises a claw assembly, a chuck seat (7) and a pull sleeve (8); the clamping jaw assemblies are provided with two groups, the two groups of clamping jaw assemblies are oppositely arranged on the chuck seat (7), and the upper ends of the clamping jaw assemblies and the chuck seat (7) slide relatively; the axis of the chuck seat (7) is provided with a through mounting hole (701); the pull sleeve (8) is arranged in the mounting hole (701) and the pull sleeve (8) axially slides with the inner wall of the mounting hole (701); the lower end parts of the two groups of claw assemblies are connected with a pull sleeve (8).

2. The chuck special for a propeller shaft yoke welder as set forth in claim 1, wherein: the two groups of claw assemblies are symmetrically arranged on two sides of the axis of the chuck seat (7).

3. The chuck special for a propeller shaft yoke welder as set forth in claim 1, wherein: the clamping jaw assembly comprises clamping jaws (2), a connecting seat (4), a lever (5) and a rotating shaft (6); the lever (5) is sleeved on the rotating shaft (6) and both are installed in the chuck seat (7); the connecting seat (4) is erected at the upper end of the chuck seat (7) and is in sliding connection with the chuck seat (7); one end of the lever (5) is connected with the pull sleeve (8), and the other end of the lever is connected with the lower end of the connecting seat (4); the lower end of the claw (2) is connected with the upper end of the connecting seat (4).

4. A chuck for use with a propeller shaft yoke welder as set forth in claim 3, wherein: the jaw assembly further comprises a locating pin (3); the locating pin (3) is transversely arranged at the upper end part of the claw (2).

5. A chuck for use with a propeller shaft yoke welder as set forth in claim 3, wherein: a slide groove (702) and a mounting groove (703) are formed in the chuck seat (7); the sliding grooves (702) and the mounting grooves (703) are symmetrically distributed on two sides of the mounting hole (701); the chute (702) mounting groove (703) is positioned in the chuck seat (7), and the chute (702) is positioned at the upper end part of the chuck seat (7); the lever (5) and the rotating shaft (6) are arranged in the mounting groove (703); the connecting seat (4) is positioned in the chute (702).

6. The chuck special for a propeller shaft yoke welder as set forth in claim 5, wherein: the device also comprises a limit disc (9); the limiting disc (9) is arranged at the upper end of the chuck seat (7); a through hole (901) is formed in the axis of the limiting disc (9); symmetrical limiting grooves (902) are formed in two sides of the through hole (901); the through hole (901) is not communicated with the limit groove (902); the position of the limiting groove (902) corresponds to the position of the sliding groove (702).

7. The chuck special for a propeller shaft yoke welder as set forth in claim 6, wherein: the size of the limiting disc (9) is matched with the size of the upper end part of the chuck seat (7).

8. A chuck for use with a propeller shaft yoke welder as set forth in claim 3, wherein: the lever (5) is of a C-shaped structure.