CN212665536U

CN212665536U - Turning device

Info

Publication number: CN212665536U
Application number: CN202021328212.XU
Authority: CN
Inventors: 马会民; 王营涛
Original assignee: Hongyuan Jinggong Wheel Jiaozuo Co ltd; Henan Hongyuan Wheel Co Ltd
Current assignee: Hongyuan Jinggong Wheel Jiaozuo Co ltd; Henan Hongyuan Wheel Co Ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-03-09
Anticipated expiration: 2030-07-08

Abstract

The utility model provides a turning device, which comprises a base and a positioning plate, wherein the base is provided with a central hole, the bottom of the central hole has a taper, the lower end surface of the base is provided with a first threaded hole and a positioning hole, a bulge part is arranged on the periphery of the upper end surface of the base, and a pressing block is arranged on the inner side of the bulge part; the edge of the upper end face of the positioning plate is provided with a chamfered edge, the lower end face of the positioning plate is provided with a first spring groove, a spring is arranged in the first spring groove, the upper end of the first spring groove is provided with a through hole, a shaft shoulder screw is connected in the through hole in a sliding mode, the spring is sleeved on the shaft shoulder screw, and a second threaded hole matched with the shaft shoulder screw is formed in the base. According to the scheme, the turning device can well position the workpiece to be machined, the tail part and the outer side surface of the inner side of the workpiece can be machined through one-time clamping, the machined workpiece is good in coaxiality, and the thickness is uniform and consistent.

Description

Turning device

Technical Field

The utility model relates to the technical field of machining, especially indicate a car processingequipment.

Background

The outer wheel rim for the tubeless wheel pressed by the steel plate needs to be machined on the inner side surface and the outer side surface of 5 degrees, a three-jaw chuck is generally adopted as a clamp in the machining process, and the phenomena that the size of the tail part on the inner side of the machined wheel is not coaxial with the upper end of the inner side and the thickness of the tail part of a machined workpiece is not uniform easily occur.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a car processingequipment to solve and adopt three-jaw chuck to carry out car processing as anchor clamps, the inboard afterbody size of work piece and inboard upper end disalignment appear easily, and the inhomogeneous problem of work piece afterbody thickness after the car processing.

In order to solve the technical problem, the utility model provides a following technical scheme:

a turning device comprises a base and a positioning plate connected with the base; the lathe spindle is characterized in that the base is provided with a central hole, the bottom of the central hole is provided with a taper matched with a lathe spindle, the lower end face of the base is provided with a first threaded hole and a positioning hole, a protruding part is arranged on the periphery of the upper end face of the base, and a pressing block is arranged on the inner side of the protruding part; the edge of the upper end face of the positioning plate is provided with a chamfered edge, a first spring groove is formed in the lower end face of the positioning plate, a spring is arranged in the first spring groove, a through hole is formed in the upper end of the first spring groove, a shaft shoulder screw is slidably connected into the through hole, the spring sleeve is arranged on the shaft shoulder screw, and a second threaded hole matched with the shaft shoulder screw is formed in the base.

And the upper end surface of the base is provided with a second spring groove corresponding to the first spring groove, and the second threaded hole is positioned at the bottom of the second spring groove.

The lower end of the positioning plate is provided with a positioning bulge matched with the central hole of the base.

The pressing block is tightly attached to the protruding portion, and the outer side face of the pressing block is matched with the inner side face of the protruding portion.

The bulge parts are arranged at intervals, and the pressing blocks correspond to the bulge parts one to one.

The pressing block is connected with the base through a screw, and a third threaded hole matched with the screw is formed in the base.

The third threaded hole and the second threaded hole are correspondingly arranged, and the corresponding third threaded hole and the corresponding second threaded hole are located on the same radius of the base.

Wherein, first spring groove is cyclic annular equipartition, and the setting quantity is 6 ~ 8.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

in the scheme, the turning device can well position the workpiece to be machined, the tail part and the outer side surface of the inner side of the workpiece can be machined through one-time clamping, the machined workpiece is good in coaxiality and uniform in thickness.

Drawings

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

fig. 2 is a schematic structural view of a base of the machining device of the present invention;

fig. 3 is a plan view of the base of the machining device of the present invention.

[ reference numerals ]

1. A base;

11. a third threaded hole;

12. a second threaded hole;

13. a first threaded hole;

14. positioning holes;

15. a boss portion;

2. positioning a plate;

3. a spring;

4. a shoulder screw;

5. briquetting;

6. and (4) screws.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-3, the embodiment of the utility model provides a turning device, including base 1 and the locating plate 2 that is connected with base 1, base 1 has seted up the centre bore, and the bottom of centre bore has the tapering with lathe spindle looks adaptation, and first screw hole 13 and locating hole 14 have been seted up to base 1's lower terminal surface, will through the bolt with the cooperation of first screw hole 13 turning device connects in lathe spindle, locating hole 14 and the location looks adaptation on the lathe realize turning device's location. A bulge part 15 is arranged on the periphery of the upper end face of the base 1, a pressing block 5 is arranged on the inner side of the bulge part 15, and the inner side face of the pressing block 5 is matched with the outer side face of a workpiece.

The edge of the upper end face of the positioning plate 2 is provided with a chamfered edge, the chamfered edge is matched with a machined inclined plane on the inner side of a workpiece, a first spring groove is formed in the lower end face of the positioning plate 2, a spring 3 is arranged in the first spring groove, a through hole is formed in the upper end of the first spring groove, a shoulder screw 4 is connected to the through hole in a sliding mode, the spring 3 is sleeved on the shoulder screw 4, a second threaded hole 12 matched with the shoulder screw 4 is formed in the base 1, and the shoulder screw 4 is in threaded connection with the second threaded hole 12 to connect the positioning plate 2 to the base 1.

As shown in fig. 1, the upper end surface of the base 1 is provided with a second spring slot corresponding to the first spring slot, so as to fix the spring 3 in an inner cavity formed by the first spring slot and the second spring slot together, and the second threaded hole 12 is located at the bottom of the second spring slot.

In this embodiment, the lower end of the positioning plate 2 is provided with a positioning protrusion matched with the central hole of the base 1, and the positioning protrusion can slide up and down along the central hole to play a role in guiding.

As shown in figure 1, the pressing block 5 is arranged close to the bulge part 15, the inner side surface of the bulge part 15 is arc-shaped, the bottom part of the bulge part is inclined inwards, and the outer side surface of the pressing block 5 is matched with the inner side surface of the bulge part 15.

As shown in fig. 3, the protruding portions 15 are arranged at intervals, the pressing blocks 5 correspond to the protruding portions 15 one by one, the pressing blocks 5 are connected with the base 1 through screws 6, and third threaded holes 11 matched with the screws 6 are formed in the base 1.

As shown in fig. 2 and 3, the third threaded hole 11 and the second threaded hole 12 are correspondingly arranged, and the corresponding third threaded hole 11 and the corresponding second threaded hole 12 are located on the same radius of the base 1, so as to ensure that the stress of the workpiece is balanced.

In this embodiment, first screw hole is cyclic annular equipartition, and the quantity is 6. First spring groove is cyclic annular equipartition, and it is 6 ~ 8 to set up quantity, and is corresponding, and the second spring groove is 6 ~ 8 with the setting quantity of second screw hole.

The utility model provides a car processingequipment use as follows:

a workpiece to be machined is placed on the turning device, the chamfered edge of the positioning plate 2 is tightly attached to the machined inclined surface of the workpiece under the action of the spring 3, so that the workpiece is pressed against the pressing block 6 and is positioned coaxially with the turning device, and the machining of the tail surface and the outer side surface of the inner side of the workpiece is carried out.

In the scheme, the turning device can well position the workpiece to be machined, the inner tail and the outer side surface of the workpiece can be machined through one-time clamping, the coaxiality of the inner profile size of the machined workpiece is good, and the thickness of the tail is uniform and consistent.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A turning device is characterized by comprising a base and a positioning plate connected with the base;

the lathe spindle is characterized in that the base is provided with a central hole, the bottom of the central hole is provided with a taper matched with a lathe spindle, the lower end face of the base is provided with a first threaded hole and a positioning hole, a protruding part is arranged on the periphery of the upper end face of the base, and a pressing block is arranged on the inner side of the protruding part;

the edge of the upper end face of the positioning plate is provided with a chamfered edge, a first spring groove is formed in the lower end face of the positioning plate, a spring is arranged in the first spring groove, a through hole is formed in the upper end of the first spring groove, a shaft shoulder screw is slidably connected into the through hole, the spring sleeve is arranged on the shaft shoulder screw, and a second threaded hole matched with the shaft shoulder screw is formed in the base.

2. The turning device according to claim 1, wherein the upper end surface of the base is provided with a second spring groove corresponding to the first spring groove, and the second threaded hole is located at the bottom of the second spring groove.

3. The turning device according to claim 1, wherein the lower end of the positioning plate is provided with a positioning protrusion adapted to the central hole of the base.

4. The turning device according to claim 1, wherein the pressing block is disposed in close contact with the protrusion, and an outer side surface of the pressing block is fitted to an inner side surface of the protrusion.

5. The turning device according to claim 1, wherein the bosses are provided at intervals, and the pressing blocks correspond to the bosses one to one.

6. The turning device according to claim 5, wherein the pressing block is connected to the base by a screw, and a third threaded hole adapted to the screw is formed in the base.

7. The machining device according to claim 6, wherein the third threaded hole is provided corresponding to the second threaded hole, and the corresponding third threaded hole and the second threaded hole are located on the same radius of the base.

8. The turning device according to any one of claims 1 to 7, wherein the first spring grooves are uniformly distributed in an annular shape, and the number of the first spring grooves is 6 to 8.