CN213969959U

CN213969959U - Lathe fixture for machining eccentric hole shaft sleeve

Info

Publication number: CN213969959U
Application number: CN202021852631.3U
Authority: CN
Inventors: 何志宏; 游顺德
Original assignee: Guizhou Xinan Aviation Machinery Co Ltd
Current assignee: Guizhou Xinan Aviation Machinery Co Ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-08-17
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a turning attachment of processing eccentric orfice axle sleeve for the setting utilizes ordinary car processing axle piece eccentric orfice on the lathe. The fixture comprises a base, base utensil mounting disc is provided with the centre gripping axle on the mounting disc, be provided with T type groove on the mounting disc, set up V type piece, this V type piece has V type groove, sets up first screw in T type groove, and this first screw main aspects inserts T type inslot, and the pole portion stretches out and passes V type piece towards keeping away from the centre gripping axle direction to set up first nut and first screw thread fit and locking V type piece, set up the supporting seat, set up the second screw, T type groove is inserted to the main aspects of second screw, and the pole portion passes the supporting seat, and through second nut and second screw thread fit with fixed support seat, set up the briquetting, the briquetting has the pressure face and leans on the face, sets up the through-hole keeping away from and leaning on face direction side, sets up the screw hole on the supporting seat, sets up the third screw and passes through-hole and screw hole thread fit.

Description

Lathe fixture for machining eccentric hole shaft sleeve

Technical Field

The utility model relates to a drilling processing auxiliary device, especially a turning attachment of processing eccentric orfice axle sleeve.

Background

The clamp has the functions of expanding the process range of the machine tool, improving the working condition, improving the production efficiency and the like. Along with the development of social science and technology, the functions of the machine tool are more powerful, the requirements of the clamp are gradually reduced, but as long as the common machine tool does not completely quit the wave of the era, a plurality of special clamps are still needed to expand the process range and the processing efficiency of the machine tool. The eccentric hole of the eccentric shaft sleeve is a big problem of a common lathe, and although the eccentric position can be adjusted by using a gasket and the like during processing, the process is complicated in large batch and slow in efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the lathe fixture for machining the shaft sleeve with the eccentric hole is arranged on a lathe and used for machining the eccentric hole of the shaft piece by using a common lathe.

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

a lathe fixture for machining the axle sleeve with eccentric hole is composed of a base, a mounting disk with a vertical clamping axle, two T-shaped slots with an open top, a V-shaped block with a V-shaped slot for locating, two first screws inserted in said T-shaped slot, two nuts passing through said V-shaped block, and a supporting seat arranged on the side of V-shaped slot opposite to said V-shaped block and with two second screws inserted in said T-shaped slot, the rod part penetrates through the supporting seat, the supporting seat is fixed through the threaded matching of the second nut and the second screw, a pressing block is arranged, the pressing block is provided with a pressing surface parallel to and opposite to the mounting disc and a leaning surface perpendicular to the pressing surface and extending towards the direction of the mounting disc, a through hole is formed in the side far away from the leaning surface direction, a threaded hole is formed in the supporting seat, and the third screw penetrates through the through hole and is in threaded matching with the threaded hole.

On the basis of the above scheme and as a preferable scheme of the scheme: the sliding direction of the pressing block is perpendicular to the mounting disc and is in sliding connection with the supporting seat.

On the basis of the above scheme and as a preferable scheme of the scheme: the supporting seat is provided with a dovetail groove perpendicular to the mounting disc, the pressing block is provided with a dovetail slide rail perpendicular to the pressing surface, and the dovetail slide rail is inserted into the dovetail groove and is in sliding connection with the dovetail slide rail.

On the basis of the above scheme and as a preferable scheme of the scheme: the mounting disc is discoid, the centre gripping axle is coaxial with the mounting disc.

On the basis of the above scheme and as a preferable scheme of the scheme: the first or second screw is a T-shaped screw.

On the basis of the above scheme and as a preferable scheme of the scheme: the supporting seat direction side of mounting disc is provided with encloses the baffle to set up on enclosing the baffle with it screw-thread fit's fourth screw pass enclose the baffle and support and lean on the supporting seat.

On the basis of the above scheme and as a preferable scheme of the scheme: the V type piece direction side of mounting disc is provided with the detachable balancing weight to set up and pass the balancing weight and support and lean on V type piece with balancing weight thread fit's fifth screw.

On the basis of the above scheme and as a preferable scheme of the scheme: a plurality of locking screw holes are formed in the mounting disc, and locking screws are arranged to penetrate through the balancing weight and are in threaded fit with the locking screw holes.

The beneficial effects of the utility model reside in that:

the utility model provides a turning attachment of processing eccentric orfice axle sleeve for the setting utilizes ordinary car processing axle piece eccentric orfice on the lathe.

The utility model discloses a turning attachment of processing eccentric orfice axle sleeve can make general car be applicable to the eccentric orfice processing, does benefit to the cost control who realizes batch production to be convenient for clamping, efficient.

This turning attachment of processing eccentric orfice axle sleeve, wherein the centre gripping axle is used for setting up on the lathe, grasps the chuck centre gripping through the epaxial three of lathe owner, treats through the V type groove of V type piece and processes the work piece and fix a position to supplementary through the briquetting. The fixing mode is that the radial positioning of the workpiece to be processed is realized by matching the leaning surface with the V-shaped groove, the position of the eccentric hole is accurately restrained, the pressing surface applies pressure to the end part of the workpiece, the workpiece is firm, the depth is restrained, the workpiece is prevented from falling off and swinging, and the processing accuracy is ensured.

The lathe fixture for machining the eccentric hole shaft sleeve has flexibility and is suitable for machining eccentric holes of various specifications and positions. Specifically, the V-shaped block and the supporting seat can move along the length direction of the T-shaped groove through the matching of the first screw and the second screw with the T-shaped groove, and the flexible characteristic suitable for multiple specifications and multiple positions is realized through the characteristic.

Drawings

FIG. 1 is a schematic structural view of a lathe fixture for machining an eccentric hole shaft sleeve according to the present invention;

fig. 2 is the utility model discloses a turning attachment assembly decomposition schematic diagram of processing eccentric orfice axle sleeve.

In the figure: the device comprises a base-1, a mounting disc-2, a clamping shaft-3, a T-shaped groove-4, a V-shaped block-5, a V-shaped groove-6, a first screw-7, a first nut-8, a supporting seat-9, a second screw-10, a second nut-11, a pressing block-12, a pressing surface-13, a leaning surface-14, a third screw-15, a dovetail groove-16, a dovetail slide rail-17, a surrounding baffle-18, a fourth screw-19, a balancing weight-20, a fifth screw-21 and a locking screw hole-22.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention.

Referring to fig. 1-2, a lathe fixture for processing an eccentric hole shaft sleeve comprises a base 1, the base 1 is provided with a mounting disc 2, a clamping shaft 3 is vertically arranged on the mounting disc 2, two mutually horizontal T-shaped grooves 4 are arranged on the mounting disc 2, the T-shaped grooves 4 are inverted and have openings at the upper ends, the T-shaped grooves extend from one side of the mounting disc 2 to the other side, a V-shaped block 5 is arranged, the V-shaped block 5 is provided with a V-shaped groove 6 for positioning, two first screws 7 are arranged and are respectively positioned in different T-shaped grooves 4, the large ends of the first screws 7 are inserted into the T-shaped grooves 4, a rod part extends towards the direction far away from the clamping shaft 3 and penetrates through the V-shaped block 5, a first nut 8 is arranged on the side of the V-shaped block 5 far away from the base 1 and is in threaded fit with the first screws 7 to lock the V-shaped block 5, a supporting seat 9 is arranged, the supporting seat 9 is arranged on the side of the opening direction of the V-shaped groove 6 and is opposite to the V-shaped block 5, set up two second screws 10, T type groove 4 is inserted to the main aspects of second screw 10, and supporting seat 9 is passed in pole portion to through second nut 11 and second screw 10 screw-thread fit with fixed support seat 9, set up briquetting 12, briquetting 12 has the face 14 that leans on to 2 directions of mounting disc with mounting disc 2 parallel relative pressure face 13 and perpendicular to pressure face 13, sets up the through-hole keeping away from and leaning on 14 direction sides, sets up the screw hole on supporting seat 9, sets up third screw 15 and passes through-hole and screw hole screw-thread fit. The first screw 7 or the second screw 10 is a T-shaped screw.

This turning attachment of processing eccentric orfice axle sleeve, wherein the centre gripping axle 3 is used for setting up on the lathe, through the chuck centre gripping of three grabbing on the lathe main shaft, treats through the V type groove 6 of V type piece 5 and processes the work piece and fix a position to supplementary through briquetting 12 is in order to fix. The fixing mode is that the radial positioning of the workpiece to be processed is realized by matching the leaning surface 14 with the V-shaped groove 6, the position of the eccentric hole is accurately restrained, the pressing surface 13 presses the end part of the workpiece, the workpiece is firm, the depth is restrained, the workpiece is prevented from falling off and swinging, and the processing accuracy is ensured. And is suitable for processing eccentric holes with various specifications and positions. Specifically, the first screw 7 and the second screw 8 are matched with the T-shaped groove 4, so that the V-shaped block 5 and the supporting seat 9 can move in position along the length direction of the T-shaped groove 4, and the flexible characteristic suitable for multiple specifications and positions is realized through the characteristic.

For the convenience of operation, the pressing block 12 is connected with the supporting seat 9 in a sliding way in a direction perpendicular to the mounting plate 2. The supporting seat 9 is provided with a dovetail groove 16 perpendicular to the mounting disc 2, the pressing block 12 is provided with a dovetail slide rail 17 perpendicular to the pressing surface 13, and the dovetail slide rail 17 is inserted into the dovetail groove 16 and is in sliding connection with the dovetail groove. The sliding pressure piece 12 can be very simply secured in place by the pressure surface 13 and the abutment surface 14.

In order to enhance the coaxiality of the whole center of a lathe clamp for processing the eccentric hole shaft sleeve and the clamping shaft 3, the mounting disc 2 is in a disc shape, and the clamping shaft 3 is coaxial with the mounting disc 2.

And the V-shaped block 5 direction side of mounting disc is provided with detachable balancing weight 20 to set up and pass balancing weight 20 and support against V-shaped block 5 with the fifth screw 21 of balancing weight 20 screw-thread fit. And a surrounding baffle plate 18 is arranged at the side of the mounting plate 2 in the direction of the supporting seat 9, and a fourth screw 19 which is in threaded fit with the surrounding baffle plate 18 is arranged on the surrounding baffle plate 18 and penetrates through the surrounding baffle plate 18 and abuts against the supporting seat 9. The safety is further improved through the enclosure, so that the injury to workers caused by the falling of parts in the working process is avoided.

For the convenience change and set up the balancing weight 20 of corresponding specification as required, be provided with a plurality of locking screw holes 22 on the mounting disc 2 to set up locking screw 23 and pass balancing weight 20 and locking screw hole 22 screw-thread fit.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A lathe fixture for processing an eccentric hole shaft sleeve is characterized by comprising a base (1), wherein the base (1) is provided with a mounting disc (2), a clamping shaft (3) is vertically arranged on the mounting disc (2), two mutually horizontal T-shaped grooves (4) are formed in the mounting disc (2), the T-shaped grooves (4) are inverted and have openings at the upper ends, the T-shaped grooves extend from one side to the other side of the mounting disc (2) and are provided with V-shaped blocks (5), each V-shaped block (5) is provided with one V-shaped groove (6) for positioning, two first screws (7) are arranged and are respectively positioned in different T-shaped grooves (4), the large ends of the first screws (7) are inserted into the T-shaped grooves (4), the rod parts extend out towards the direction far away from the clamping shaft (3) and penetrate through the V-shaped blocks (5), and first nuts (8) are arranged on the side, far away from the base (1), of the V-shaped blocks (5), are matched with the first screws (7) in a threaded mode and are used for locking the V-shaped blocks (5), set up supporting seat (9), supporting seat (9) set up and are relative with V type piece (5) in the opening direction side of V type groove (6), set up two second screws (10), T type groove (4) are inserted to the main aspects of second screw (10), and supporting seat (9) are passed to pole portion to through second nut (11) and second screw (10) screw-thread fit with fixed support seat (9), set up briquetting (12), briquetting (12) have with mounting disc (2) parallel relative pressure face (13) and perpendicular to pressure face (13) to face (14) that leans on of mounting disc (2) direction extension, set up the through-hole keeping away from face (14) direction side, set up the screw hole on supporting seat (9), set up third screw (15) and pass through-hole and screw hole screw-thread fit.

2. The turning attachment for the eccentric hole bushing according to claim 1, wherein the pressing block (12) is slidably coupled to the supporting base (9) in a direction perpendicular to the mounting plate (2).

3. The lathe fixture for machining the eccentric hole shaft sleeve is characterized in that a dovetail groove (16) perpendicular to the mounting disc (2) is formed in the supporting seat (9), a dovetail slide rail (17) perpendicular to the pressing surface (13) is formed in the pressing block (12), and the dovetail slide rail (17) is inserted into the dovetail groove (16) and is in sliding connection with the dovetail slide rail.

4. The turning attachment for eccentric hole bushings as claimed in claim 1, characterized in that the mounting disc (2) is disc-shaped, the clamping shaft (3) being coaxial with the mounting disc (2).

5. The turning attachment for the eccentric hole bushing according to claim 1, wherein the first screw (7) or the second screw (10) is a T-shaped screw.

6. The turning attachment for the eccentric hole sleeve as claimed in claim 1, wherein the side of the mounting plate (2) in the direction of the supporting seat (9) is provided with a fence (18), and a fourth screw (19) which is in threaded fit with the fence (18) is provided on the fence (18) to penetrate through the fence (18) and abut against the supporting seat (9).

7. The turning attachment for the eccentric hole sleeve according to claim 1, wherein a detachable weight block (20) is provided on the side of the mounting plate in the direction of the V-shaped block (5), and a fifth screw (21) which is in threaded engagement with the weight block (20) is provided to pass through the weight block (20) and abut against the V-shaped block (5).

8. The turning attachment for the eccentric hole and the shaft sleeve according to claim 7, wherein the mounting plate (2) is provided with a plurality of locking screw holes (22), and a locking screw (23) is arranged to pass through the balancing weight (20) to be in threaded fit with the locking screw holes (22).