CN210996560U

CN210996560U - Four directions spare center round hole processing conversion chuck

Info

Publication number: CN210996560U
Application number: CN201921480345.6U
Authority: CN
Inventors: 钱立功
Original assignee: Hangzhou Hongye Civil Air Defense Equipment Co ltd
Current assignee: Hangzhou Hongye Civil Air Defense Equipment Co ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-07-14
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a four directions spare center round hole processing conversion chuck for the counter sink of processing four directions spare, including circular chassis, four directions spare is placed on the chassis, is equipped with a stopper and three fastener on the chassis upper surface, and the stopper is whole to be cuboid form and stopper and chassis upper surface fixed connection, and one side lateral wall laminating that one side that the stopper is close to the through-hole is smooth plane and four directions spare, is close to near other trilateral center departments of four directions spare on the chassis and is equipped with the screw hole respectively, is equipped with the through-hole that runs through on the fastener, and the fastener passes through bolt and chassis bolt fixed connection. The central circular hole processing conversion chuck of the square part is mutually fixed through the chassis and the square part, so that the existing lathe can conveniently process the countersunk hole of the square part.

Description

Four directions spare center round hole processing conversion chuck

Technical Field

The utility model belongs to the technical field of the people's air defense door manufacturing technology and specifically relates to indicate a four directions spare center round hole processing conversion chuck.

Background

At present, in the door leaf hinge of civil air defense door, the design needs to have the square spare that has the counter sink, and in current machine tool machining, the lathe tool often can only carry out the processing of counter sink to the circular member, and does not have effectual fixed means to the square spare, does not lack effectual method to the counter sink processing of square spare promptly, leads to the counter sink processing difficulty of square spare, influences the efficiency of production.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the shortcoming among the prior art, provide a four directions spare center round hole processing conversion chuck.

The utility model aims at realizing through the following technical scheme:

the utility model provides a four directions spare center round hole processing conversion chuck for the counter sink of four directions spare of processing, including circular chassis, four directions spare is placed on the chassis, be equipped with a stopper and three fastener on the chassis upper surface, the stopper is whole to be cuboid form and stopper and chassis upper surface fixed connection, one side that the stopper is close to the through-hole is the laminating of one side lateral wall of smooth plane and four directions spare, be close to near other trilateral center departments of four directions spare on the chassis and be equipped with the screw hole respectively, be equipped with the through-hole that runs through on the fastener, the fastener passes through bolt and chassis bolt fixed connection. When the square part is machined, firstly, one side face of the square part is attached to the limiting block, then the three fastening pieces respectively support against the other three side faces of the square part, the fastening pieces are fixed by bolts, and then the square part and the chassis are mutually fixed, so that the fixing process of the square part is completed. And next, the central circular hole processing conversion chuck of the square part is placed into a lathe to be fixed, and a lathe tool can process a countersunk hole of the square part. And after the lathe machining is finished, taking the square piece central circular hole machining conversion chuck out of the lathe, loosening the fastening piece through the bolt, taking the square piece out, and finishing the whole machining process. Because the square piece and the chassis are fixed in position, the square piece can be machined in a lathe, and the machining efficiency of the square piece is greatly improved.

As an optimal scheme, one side of the limiting block, which is close to the through hole, is pasted with a metal sheet, the metal sheet and the limiting block are detachably connected, and the side wall of one side of the metal sheet and one side of the square component are pasted. The thickness of the metal sheet can be flexibly adjusted according to actual requirements so as to adapt to square parts with different specifications.

Preferably, the through hole is a circular waist hole. The design of waist round hole can make the fixed position of fastener and disc can adjust in a flexible way, ensures that the better fixed between four sides spare and the four sides spare center round hole processing conversion chuck, can not become flexible when lathe processing and influence actual processing effect.

Preferably, the fastener is further provided with an extension part, the extension part and the side of the fastener far away from the chassis are in the same plane, and the extension part is used for being clamped and fixed with the top surface of the square part.

As a preferable scheme, the fastening piece is further provided with a bending part, the bending part and the fastening piece body are perpendicular to each other, and the bending part is used for being clamped and fixed with the side face of the chassis.

Preferably, the bending part and the fastener body are welded and fixed. The fixing between the bending part and the fastener is firmer by the welding and fixing mode.

Preferably, the bolt is a hexagon bolt.

As a preferred scheme, the limiting block is provided with two through holes, the two through holes are symmetrically arranged on the short center axis of the limiting block, the chassis is provided with threaded holes matched with the two through holes on the limiting block, and the limiting block is mutually fixed with the chassis through bolts penetrating through the through holes.

As a preferred scheme, a processing round hole is arranged in the center of the base plate and matched with a counter bore of the square piece.

The beneficial effects of the utility model are that, because square and chassis position are fixed mutually, and then square can be processed in the lathe, promoted the machining efficiency of square greatly. Just the utility model discloses simple structure, easily realization, practicality are strong.

Drawings

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

fig. 2 is a schematic structural diagram of the present invention cooperating with the four components.

Wherein: 1. the device comprises a chassis, 2, a limiting block, 3, a fastening piece, 4, a processing round hole, 5, a square part, 51 and a counter bore.

Detailed Description

The invention is further described below with reference to the drawings and examples.

Example (b): the utility model provides a four directions spare center round hole processing conversion chuck, a counter sink for processing four directions spare, as shown in figure 1, as shown in figure 2, including circular chassis 1, four directions spare is placed on the chassis, be equipped with a stopper 2 and three fastener 3 on the chassis upper surface, the stopper wholly is cuboid form and stopper and chassis upper surface fixed connection, one side lateral wall laminating that one side that the stopper is close to the through-hole is smooth plane and four directions spare 5, be close to near other trilateral center departments of four directions spare on the chassis and be equipped with the screw hole respectively, be equipped with the through-hole that runs through on the fastener, the fastener passes through bolt and chassis bolt fixed connection. The stopper is close to one side subsides of through-hole and is equipped with the foil, and the connection can be dismantled to foil and stopper, and the laminating of one side lateral wall of foil and square spare. The through hole is a waist circular hole. The fastener is also provided with an extension part, the extension part and one surface of the fastener far away from the chassis are positioned on the same plane, and the extension part is used for being clamped and fixed with the top surface of the square part. The fastener still be equipped with the portion of bending, the portion of bending and fastener body mutually perpendicular set up, the portion of bending is used for with the side chucking of chassis fixed. The bending part and the fastener body are welded and fixed. The bolt is a hexagon bolt. The limiting block is provided with two through holes which are symmetrically arranged in the short center shaft of the limiting block, the chassis is provided with threaded holes matched with the two through holes in the limiting block, and the limiting block is mutually fixed with the chassis through bolts penetrating through the through holes. The center of the base plate is provided with a processing round hole 4 which is matched with a counter bore 51 of a square piece.

When the square part is machined, firstly, one side face of the square part is attached to the limiting block, then the three fastening pieces respectively support against the other three side faces of the square part, the fastening pieces are fixed by bolts, and then the square part and the chassis are mutually fixed, so that the fixing process of the square part is completed. And next, the central circular hole processing conversion chuck of the square part is placed into a lathe to be fixed, and a lathe tool can process a countersunk hole of the square part. And after the lathe machining is finished, taking the square piece central circular hole machining conversion chuck out of the lathe, loosening the fastening piece through the bolt, taking the square piece out, and finishing the whole machining process. Because the square piece and the chassis are fixed in position, the square piece can be machined in a lathe, and the machining efficiency of the square piece is greatly improved.

Claims

1. The utility model provides a four directions spare center round hole processing conversion chuck, a counter sink for processing four directions spare, a serial communication port, including circular chassis, four directions spare is placed on the chassis, be equipped with a stopper and three fastener on the chassis upper surface, the stopper is whole to be cuboid form and stopper and chassis upper surface fixed connection, one side lateral wall laminating that one side that the stopper is close to the through-hole is smooth plane and four directions spare, be close to near other trilateral center departments of four directions spare on the chassis and be equipped with the screw hole respectively, be equipped with the through-hole that runs through on the fastener, the fastener passes through bolt and chassis bolt fixed connection.

2. The conversion chuck for machining the central circular hole of the square part as claimed in claim 1, wherein a metal sheet is attached to one side of the limiting block close to the through hole, the metal sheet is detachably connected with the limiting block, and the metal sheet is attached to one side wall of the square part.

3. A four-part center hole machining transfer chuck as claimed in claim 1, wherein said through hole is a waist hole.

4. A four-part center hole machining transfer chuck according to claim 1, 2 or 3, wherein the fastening member is further provided with an extension part, the extension part and the surface of the fastening member far away from the base plate are in the same plane, and the extension part is used for being clamped and fixed with the top surface of the four-part.

5. The conversion chuck for machining the round center hole of the square part as claimed in claim 4, wherein the fastening member is further provided with a bent portion, the bent portion and the fastening member body are perpendicular to each other, and the bent portion is used for being clamped and fixed with the side face of the chassis.

6. The conversion chuck for machining the round center hole of the square component as claimed in claim 5, wherein the bent part and the fastener body are fixed by welding.

7. A four-part center hole machining transfer chuck as claimed in claim 1, wherein said bolts are hex bolts.

8. The four-part center hole machining conversion chuck as claimed in claim 1, wherein the stopper is provided with two through holes, the two through holes are symmetrically arranged on the short center axis of the stopper, the chassis is provided with threaded holes matched with the two through holes on the stopper, and the stopper is fixed with the chassis through bolts passing through the through holes.

9. The conversion chuck for machining the round hole in the center of the square part as claimed in claim 1, wherein the center of the base plate is provided with a machining round hole which is matched with the counter bore of the square part.