CN219026688U

CN219026688U - Quick clamping and positioning tool for shaft parts

Info

Publication number: CN219026688U
Application number: CN202222838115.0U
Authority: CN
Inventors: 余成东; 钱小东; 周锦华; 沈峰
Original assignee: Hangzhou Dahe Thermo Magnetics Co Ltd
Current assignee: Hangzhou Dahe Thermo Magnetics Co Ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-05-16
Anticipated expiration: 2032-10-25

Abstract

The utility model discloses a quick clamping and positioning tool for shaft parts, which comprises a main body, wherein a positioning block and a pressing block are arranged on the main body, the pressing block is connected with the upper surface of the main body through a first spring, the positioning block is connected with the side surface of the main body through a translation mechanism, a V-shaped block is fixedly arranged on the upper surface of the main body, the pressing block and the V-shaped block form a long shaft positioning part of a driving shaft, and a short shaft positioning part of the driving shaft is arranged on the positioning block. The utility model provides a quick clamping and positioning tool for shaft parts, which can quickly position during clamping and improve the processing efficiency.

Description

Quick clamping and positioning tool for shaft parts

Technical Field

The utility model relates to the technical field of positioning tools, in particular to a rapid clamping and positioning tool for shaft parts.

Background

When a driving shaft product is processed, deep holes are required to be processed at two ends of the product, the chip removal is difficult, and cutting fluid cannot fully act, so that the process is arranged for machining by a horizontal machining machine tool, and because the sizes of two end surfaces of the product are required to be processed in place, the wall of a hole cannot exceed the minimum wall thickness after the other hole on the shaft is machined, the drill bit is easily broken due to the fact that the chip removal is difficult in the existing vertical machining machine tool and the cutting fluid is insufficient, the machining efficiency is low, and the problem that the two end sizes of the machining shaft of the horizontal machining machine tool cannot be positioned exists.

For example, a "positioning tool for machining double key grooves of shaft parts" disclosed in chinese patent literature, its publication number CN213258276U, a shaft part lower end supporting plate is mounted between the lower ends of the inner walls of the left and right side risers on the upper surface of the base, a positioning tool assembly is mounted between the upper ends of the inner walls of the left and right side risers, and the positioning tool assembly is used in cooperation with the shaft part lower end supporting plate at the lower end; the scheme adopts axle type part lower extreme layer board to support the axle type part lower extreme after the centre gripping location, avoids the displacement from top to bottom in the axle type part processing, and the holding ring subassembly can assistance-localization real-time axle type part lower extreme position improves positioning stability simultaneously. The positioning device has the defects that the positioning device can only be used for positioning double-key grooves of shaft parts, and cannot position the sizes of two ends of a machining shaft of a horizontal machining machine tool.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, chip removal is difficult in machining by a vertical machining tool, a drill bit is not easy to break due to insufficient cutting fluid, machining efficiency is low, and positioning cannot be achieved according to the sizes of two ends of a machining shaft of a horizontal machining tool, and provides a rapid clamping and positioning tool for shaft parts, which can be used for rapidly positioning during clamping and improving machining efficiency.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a quick clamping location frock of axle type part, includes the main part, be equipped with locating piece and briquetting in the main part, the briquetting is connected with the upper surface of main part through first spring, the locating piece is connected with the side of main part through translation mechanism, the upper surface fixation of main part is equipped with the V-arrangement piece, briquetting and V-arrangement piece form the major axis location portion of drive shaft, be equipped with the minor axis location portion of drive shaft on the locating piece. The long shaft of the locating driving shaft is clamped together by the pressing block above and the V-shaped block below, the short shaft of the locating driving shaft is located by the locating block on the side face, the locating block can be easily, quickly and accurately fixed by utilizing the translation mechanism, the locating block is quickly located during clamping, the locating block can be stretched out for locating only by lightly pulling the locating block with force, four locating parts of the long shaft and the short shaft are respectively arranged, the fixture for locating the four movable parts is convenient and quick to clamp and locate, the fixture is designed on a zero-point fixture plate, the switching speed of different machine tools is convenient, the machining efficiency is improved, the base and the pressing block are combined together by adopting the modularized design, the space is reduced, the disassembly and assembly are convenient, and the product switching auxiliary time is reduced.

Preferably, the driving shaft comprises a long shaft and a short shaft which are vertically arranged, and cambered surfaces for adapting to the long shaft are arranged on the pressing block and the V-shaped block. The arc surface is in particular an R50 semicircular arc surface with a rack shape, can be matched with a long shaft of a driving shaft, and can be well clamped on a blank surface.

Preferably, the side of main part is fixed and is equipped with the support, be equipped with the thimble on the support, the side of locating piece is equipped with the thimble hole that is used for with the thimble adaptation, be equipped with the transition structure that is used for making things convenient for the thimble card to go into the thimble hole on the locating piece near one side of main part. The thimble on the support is matched with the thimble hole on the side surface of the positioning block, the positioning block can be locked firmly, and a transition structure is arranged in the process of the thimble being clamped into the thimble hole, so that the thimble is conveniently clamped into the thimble hole.

Preferably, the translation mechanism comprises a pull rod and a moving block, wherein the moving block is connected with the main body through a third spring, and the pull rod is connected with the positioning block through a fourth spring. The positioning block can move in the direction close to and far away from the main body through the fourth spring, the ejector pin and the ejector pin hole are conveniently locked on the positioning block, and the moving block can move along the axial direction of the pull rod through the third spring and the roller.

Preferably, a roller seat is arranged at one end of the moving block, which is close to the pull rod, and a roller is arranged on the roller seat and is connected with the moving block through a fifth spring. A fifth spring is arranged between the moving block and the roller seat, so that the roller is clamped into the positioning groove and can be clamped firmly.

Preferably, a positioning groove for adapting to the roller is arranged on the side surface of the pull rod. The positioning groove on the side surface of the pull rod is used for adapting to the roller.

Preferably, a limiting column for limiting the position of the moving block is arranged on one side, away from the pull rod, of the moving block. The limit post of one side of the movable block far away from the pull rod is used for limiting the position of the movable block, so that the positioning block is firmly locked.

Preferably, the main body is disposed on an upper surface of the zero tooling plate. And the installation of the zero tooling plate facilitates the switching between the machine tools.

The utility model has the following beneficial effects: (1) The quick positioning can be realized during clamping, and the processing efficiency is improved; (2) The positioning block is fast positioned during clamping, the positioning block and the pressing block are not required to be switched, and the positioning block can be stretched out and positioned only by lightly pulling the positioning block with force; (3) The four long shaft positioning parts and the four short shaft positioning parts are respectively provided with a tooling for positioning, wherein the tooling is used for positioning in a movable way, so that the tooling is convenient and quick to clamp and position; (4) The base and the pressing block are combined together by adopting a modularized design, so that the space is reduced, the disassembly and assembly are convenient, and the auxiliary time for switching products is reduced.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a translation mechanism according to the present utility model;

FIG. 3 is a cross-sectional view of the structure of A-A in FIG. 2;

fig. 4 is an isometric view of the structure of the present utility model.

In the figure: 1. a main body; 2. a positioning block; 3. briquetting; 4. a first spring; 5. a translation mechanism; 5.1, a pull rod; 5.2, moving the block; 5.3, a third spring; 5.4, a fourth spring; 5.5, a roller seat; 5.6, a roller; 5.7, a fifth spring; 5.8, positioning grooves; 5.9, limiting columns; 6. a V-shaped block; 7. a drive shaft; 7.1, long axis; 7.2, short axis; 8. a long axis positioning part; 9. a short shaft positioning part; 10. a bracket; 11. a thimble; 12. a top pinhole; 13. a transition structure; 14. zero tooling plate.

Detailed Description

The utility model is further illustrated by the following figures and examples.

First embodiment:

as shown in FIG. 1 or FIG. 4, a quick clamping and positioning tool for shaft parts comprises a main body 1, wherein a positioning block 2 and a pressing block 3 are arranged on the main body 1, the pressing block 3 is connected with the upper surface of the main body 1 through a first spring 4, the positioning block 2 is connected with the side surface of the main body 1 through a translation mechanism 5, a V-shaped block 6 is fixedly arranged on the upper surface of the main body 1, the pressing block 3 and the V-shaped block 6 form a long shaft positioning part 8 of a driving shaft 7, and a short shaft positioning part 9 of the driving shaft 7 is arranged on the positioning block. The driving shaft 7 comprises a long shaft 7.1 and a short shaft 7.2 which are vertically arranged, and cambered surfaces for adapting to the long shaft 7.1 are arranged on the pressing block 3 and the V-shaped block 6. The side of the main body 1 is fixedly provided with a support 10, the support 10 is provided with a thimble 11, the side of the positioning block 2 is provided with a thimble hole 12 which is used for being matched with the thimble 11, and one side of the positioning block 2, which is close to the main body 1, is provided with a transition structure 13 which is used for facilitating the thimble 11 to be clamped into the thimble hole 12. The main body 1 is provided on the upper surface of the zero tooling plate 14.

In the above technical scheme, the pressing block 3 at the upper part and the V-shaped block 6 at the lower part jointly clamp and position the long shaft 7.1 of the driving shaft 7, the positioning block 2 at the side face positions the short shaft 7.2 of the driving shaft 7, the positioning block 2 can be easily, quickly and accurately fixed by utilizing the translation mechanism 5, the positioning block 2 is quickly positioned during clamping, the positioning block 2 is not required to be switched, the positioning block 2 can be slightly pulled out for positioning by only one force, four long shaft positioning parts 8 and short shaft positioning parts 9 are respectively arranged, the four movable positioning tools are convenient and quick to clamp and position, the clamp is designed on the zero point tool plate to facilitate the switching speed of different machine tools, the processing efficiency is improved, the base and the pressing block are combined together by adopting a modularized design, the space is reduced, the dismounting is convenient, and the product switching auxiliary time is reduced. The arc surface is specifically a semicircular arc surface with a rack shape, can be matched with the long shaft of the driving shaft 7, and can be well clamped on the blank surface. The thimble 11 on the bracket 10 is matched with the thimble hole 12 on the side surface of the positioning block 2, the positioning block 2 can be locked firmly, and a transition structure 13 is arranged in the process that the thimble 11 is clamped into the thimble hole 12, so that the thimble 11 is conveniently clamped into the thimble hole 12. The mounting zero tooling plate 14 is added to facilitate the switching between machine tools.

Specific embodiment II:

as shown in fig. 2 or 3, on the basis of the first embodiment, the translation mechanism 5 includes a pull rod 5.1 and a moving block 5.2, the moving block 5.2 is connected with the main body 1 through a third spring 5.3, and the pull rod 5.1 is connected with the positioning block 2 through a fourth spring 5.4. One end of the moving block 5.2, which is close to the pull rod 5.1, is provided with a roller seat 5.5, the roller seat 5.5 is provided with a roller 5.6, and the roller seat 5.6 is connected with the moving block 5.2 through a fifth spring 5.7. The side of the pull rod 5.1 is provided with a positioning groove 5.8 for adapting to the roller 5.6. The side of the moving block 5.2 remote from the pull rod 5.1 is provided with a limit post 5.9 for limiting the position of the moving block 5.2.

In the above technical scheme, the positioning block 2 can move in the direction close to and far away from the main body 1 through the fourth spring 5.4, the positioning block 2 is conveniently locked by the thimble 11 and the thimble hole 12, and the moving block 5.2 can move along the axial direction of the pull rod 5.1 through the third spring 5.3 and the roller 5.6. A fifth spring 5.7 is arranged between the moving block 5.2 and the roller seat 5.5, so that the roller 5.6 is clamped into the positioning groove 5.8 and can be clamped firmly. The lateral positioning grooves 5.8 of the tie rod 5.1 are used to adapt the rollers 5.6. The limit post 5.9 of the side of the moving block 5.2 remote from the pull rod 5.1 is used to limit the position of the moving block 5.2 so that the positioning block 2 is locked firmly.

Claims

1. The utility model provides a quick clamping location frock of axle type part, includes main part (1), its characterized in that, be equipped with locating piece (2) and briquetting (3) on main part (1), briquetting (3) are connected with the upper surface of main part (1) through first spring (4), locating piece (2) are connected with the side of main part (1) through translation mechanism (5), the upper surface fixation of main part (1) is equipped with V-arrangement piece (6), major axis location portion (8) of briquetting (3) and V-arrangement piece (6) formation drive shaft (7), be equipped with minor axis location portion (9) of drive shaft (7) on the locating piece.

2. The quick clamping and positioning tool for shaft parts according to claim 1, wherein the driving shaft (7) comprises a long shaft (7.1) and a short shaft (7.2) which are vertically arranged, and cambered surfaces for adapting to the long shaft (7.1) are arranged on the pressing block (3) and the V-shaped block (6).

3. The quick clamping and positioning tool for shaft parts according to claim 1 or 2, wherein a support (10) is fixedly arranged on the side face of the main body (1), a thimble (11) is arranged on the support (10), a thimble hole (12) used for being matched with the thimble (11) is formed in the side face of the positioning block (2), and a transition structure (13) used for facilitating the thimble (11) to be clamped into the thimble hole (12) is arranged on one side, close to the main body (1), of the positioning block (2).

4. The quick clamping and positioning tool for shaft parts according to claim 1, wherein the translation mechanism (5) comprises a pull rod (5.1) and a moving block (5.2), the moving block (5.2) is connected with the main body (1) through a third spring (5.3), and the pull rod (5.1) is connected with the positioning block (2) through a fourth spring (5.4).

5. The quick clamping and positioning tool for shaft parts according to claim 4, wherein a roller seat (5.5) is arranged at one end of the moving block (5.2) close to the pull rod (5.1), a roller (5.6) is arranged on the roller seat (5.5), and the roller seat (5.5) is connected with the moving block (5.2) through a fifth spring (5.7).

6. The quick clamping and positioning tool for shaft parts according to claim 5, wherein the side surface of the pull rod (5.1) is provided with a positioning groove (5.8) for adapting to the roller (5.6).

7. The quick clamping and positioning tool for shaft parts according to claim 4, 5 or 6, wherein a limiting column (5.9) for limiting the position of the moving block (5.2) is arranged on one side of the moving block (5.2) away from the pull rod (5.1).

8. A quick clamping and positioning tool for shaft parts according to claim 1, 2 or 4, wherein the main body (1) is arranged on the upper surface of the zero tooling plate (14).