CN217394345U

CN217394345U - Lathe fixture

Info

Publication number: CN217394345U
Application number: CN202123307606.4U
Authority: CN
Inventors: 李海滨
Original assignee: Shenyang Shenyi Cnc Machine Tool Co ltd
Current assignee: Shenyang Shenyi Cnc Machine Tool Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-09-09
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a lathe fixture, including fixed disk, U template, adjusting screw and activity clamp splice, the welding of fixed disk upper end middle part has the U template, install U template upper end one side the activity clamp splice, fixed clamp splice is installed to U template upper end opposite side. Has the advantages that: the utility model discloses a U template, adjusting screw, the guide block, the briquetting of Z type, the activity clamp splice, the design of fixed clamp splice and clamp solid groove, make this anchor clamps reliably compress tightly the centre gripping to the tip of special-shaped workpiece when using on the one hand, the tight dynamics of clamp to the clamp of special-shaped workpiece has been improved, the rocking of special-shaped workpiece in the course of working has effectively been avoided, the processingquality of special-shaped workpiece has been ensured, on the other hand passes through adjusting screw and adjusts the distance between activity clamp splice and the fixed clamp splice, can realize that the centre gripping to not unidimensional special-shaped workpiece is fixed, the flexibility that the anchor clamps used has been improved greatly.

Description

Lathe fixture

Technical Field

The utility model relates to a turning attachment technical field, concretely relates to turning attachment.

Background

The jig is a device for fixing a processing object to occupy a correct position for receiving construction or inspection in a machine manufacturing process, and is also called a jig. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. Wherein lathe fixtures are often used when machining a workpiece on a lathe.

However, most of the existing lathe fixtures can clamp and fix workpieces in normal shapes when in use, and the workpieces are easy to shake in the machining process due to insufficient clamping force when the special-shaped workpieces are clamped, so that the machining quality of the special-shaped workpieces is greatly reduced, meanwhile, the clamping distance on the existing lathe fixtures is certain, the workpieces with specific sizes can be clamped by the existing fixture, the clamping range of the fixtures is greatly limited, and the use flexibility of the fixtures is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the prior art not enough, a lathe fixture is provided at present, the problem that when the lathe fixture is used, a plurality of workpieces in normal shapes can be clamped and fixed is solved, when the workpieces in special shapes are clamped, the workpieces are easy to shake in the machining process due to insufficient clamping force, the machining quality of the special-shaped workpieces is greatly reduced, meanwhile, the clamping distance on the lathe fixture is certain, the workpieces in specific sizes can be clamped by the fixture, the clamping range of the fixture is greatly limited, and the use flexibility of the fixture is reduced.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a lathe fixture, which comprises a fixed disc, a U-shaped plate, an adjusting screw rod and a movable clamping block, wherein the U-shaped plate is welded at the middle part of the upper end of the fixed disc, the movable clamping block is arranged at one side of the upper end of the U-shaped plate, the fixed clamping block is arranged at the other side of the upper end of the U-shaped plate, clamping grooves are arranged on the side walls of the movable clamping block opposite to the fixed clamping block, the adjusting screw rod is arranged at the middle part of one side wall of the movable clamping block, an adjusting nut is arranged at the connecting part of the U-shaped plate and the adjusting screw rod, a guide block is arranged at the outer side of the movable clamping block on the U-shaped plate, the contact part of the guide block and the movable clamping block adopts an inward concave structure, Z-shaped press blocks are arranged at the two sides of the U-shaped plate on the fixed disc, a strip hole is arranged at the middle part of the press block, a stud is arranged in the strip hole, and a limiting nut is installed at the top end of the stud, and a guide post is installed on one side of the pressing block.

Furthermore, three mounting holes are evenly distributed in the periphery of the upper end of the fixed disc, and the mounting holes penetrate through the fixed disc.

By adopting the technical scheme, the mounting holes are matched with the external bolts to realize the reliable fixation of the fixed disc on the lathe.

Furthermore, the movable clamping block is rotatably connected with the adjusting screw rod, and the movable clamping block is slidably connected with the guide block.

By adopting the technical scheme, the guide block can guide the movable clamping block.

Furthermore, the fixed clamping block and the guide block are connected with the U-shaped plate through bolts, and the clamping groove is formed in the movable clamping block and the fixed clamping block.

By adopting the technical scheme, the shape of the clamping groove can be changed according to the shape of the end part of the workpiece, so that the device can conveniently clamp and fix the foreign workpiece.

Furthermore, the adjusting screw rod penetrates through the side wall of the U-shaped plate, the adjusting screw rod is screwed with the adjusting nut, and the adjusting nut is welded with the U-shaped plate.

By adopting the technical scheme, the normal rotation and installation of the adjusting screw rod can be ensured.

Furthermore, the stud is welded with the fixed disc, the stud penetrates through the strip hole, and the stud is screwed with the limiting nut.

By adopting the technical scheme, the limit nut is matched with the stud to realize the reliable compression of the pressing block.

Furthermore, the guide post with the fixed disk welding, the guide post with briquetting sliding connection.

By adopting the technical scheme, the pressing block can be reliably pressed down.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

in order to solve the problems that the prior lathe fixture can clamp and fix a plurality of workpieces with normal shapes when in use, the workpieces are easy to shake in the processing process due to insufficient clamping force when clamping the special-shaped workpieces, thereby greatly reducing the processing quality of the special-shaped workpieces, and meanwhile, the clamping distance on the prior lathe fixture is certain, so that the device can only clamp the workpieces with specific sizes, thereby greatly limiting the clamping range of the fixture and reducing the flexibility of the use of the fixture, the utility model discloses a design of a U-shaped plate, an adjusting screw rod, a guide block, a Z-shaped pressing block, a movable clamping block, a fixed clamping block and a clamping and fixing groove, on one hand, the fixture can reliably clamp and clamp the end part of the special-shaped workpieces when in use, thereby improving the clamping force of the fixture on the special-shaped workpieces and effectively avoiding the shaking of the special-shaped workpieces in the processing process, the special-shaped workpiece clamping fixture has the advantages that the processing quality of special-shaped workpieces is ensured, on the other hand, the distance between the movable clamping block and the fixed clamping block is adjusted through the adjusting screw, clamping and fixing of the special-shaped workpieces with different sizes can be realized, and the use flexibility of the fixture is greatly improved.

Drawings

Fig. 1 is a schematic structural view of a lathe fixture according to the present invention;

fig. 2 is a schematic structural diagram of a guide block in a lathe fixture of the present invention.

The reference numerals are explained below:

1. a guide post; 2. fixing the disc; 3. a movable clamping block; 4. mounting holes; 5. a U-shaped plate; 6. adjusting the screw rod; 7. adjusting the nut; 8. a guide block; 9. a stud; 10. a strip hole; 11. a limit nut; 12. fixing the clamping block; 13. a clamping groove; 14. and (7) briquetting.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-2, a lathe fixture in this embodiment includes a fixed disk 2, a U-shaped plate 5, an adjusting screw 6 and a movable clamping block 3, the U-shaped plate 5 is welded in the middle of the upper end of the fixed disk 2, the movable clamping block 3 is installed on one side of the upper end of the U-shaped plate 5, the other side of the upper end of the U-shaped plate 5 is installed with a fixed clamping block 12, the movable clamping block 3 and the fixed clamping block 12 are matched to realize reliable clamping of a special-shaped workpiece, clamping grooves 13 are respectively disposed on the opposite side walls of the movable clamping block 3 and the fixed clamping block 12, the adjusting screw 6 is installed in the middle of one side wall of the movable clamping block 3, an adjusting nut 7 is installed at the connection position of the U-shaped plate 5 and the adjusting screw 6, a guide block 8 is installed at the outer side of the movable clamping block 3 on the U-shaped plate 5, the contact position of the guide block 8 and the movable clamping block 3 adopts an inward concave structure, Z-shaped pressing blocks 14 are installed at both sides of the fixed disk 2 and the U-shaped plate 5, the pressing block 14 can realize reliable compression of the special-shaped workpiece under the action of the limiting nut 11 and the stud 9, the strip hole 10 is formed in the middle of the pressing block 14, the stud 9 is installed in the strip hole 10, the limiting nut 11 is installed at the top end of the stud 9, the guide post 1 is installed on one side of the pressing block 14, and the guide post 1 can ensure reliable installation of the pressing block 14.

As shown in fig. 1-2, in this embodiment, three mounting holes 4 are uniformly distributed on the periphery of the upper end of a fixed disk 2, the mounting holes 4 all penetrate through the fixed disk 2, the mounting holes 4 are matched with external bolts to reliably fix the fixed disk 2 on a lathe, a movable clamping block 3 is rotatably connected with an adjusting screw 6, the movable clamping block 3 is slidably connected with a guide block 8, the guide block 8 can guide the movable clamping block 3, the fixed clamping block 12 and the guide block 8 are both connected with a U-shaped plate 5 through bolts, a clamping groove 13 is formed in the movable clamping block 3 and the fixed clamping block 12, and the shape of the clamping groove 13 can be changed according to the shape of the end of a workpiece, so that the device can conveniently clamp and fix the dissimilar workpiece.

As shown in fig. 1-2, in this embodiment, the adjusting screw 6 penetrates through a side wall of the U-shaped plate 5, the adjusting screw 6 is screwed with the adjusting nut 7, the adjusting nut 7 is welded with the U-shaped plate 5, so that normal rotation and installation of the adjusting screw 6 can be ensured, the stud 9 is welded with the fixed plate 2, the stud 9 penetrates through the elongated hole 10, the stud 9 is screwed with the limit nut 11, the limit nut 11 is matched with the stud 9 to realize reliable compression of the pressing block 14, the guide post 1 is welded with the fixed plate 2, and the guide post 1 is slidably connected with the pressing block 14, so that reliable pressing of the pressing block 14 can be realized.

The specific implementation process of this embodiment is as follows: during the use, firstly, the fixed disc 2 is fixed at a corresponding position on a lathe through an external bolt, then a special-shaped workpiece to be processed is placed between the movable clamping block 3 and the fixed clamping block 12, meanwhile, the adjusting screw 6 is rotated, so that the movable clamping block 3 is close to the fixed clamping block 12 under the guiding action of thread transmission and the guide block 8, preliminary limiting of the special-shaped workpiece is realized, then, only the pressing block 14 needs to penetrate through the stud 9, one end of the pressing block 14 is abutted to the upper end of the workpiece, meanwhile, the limiting nut 11 is screwed, secondary limiting compression of the workpiece can be realized through the pressing block 14, and after the workpiece is compressed, corresponding processing can be carried out on the lathe.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A lathe fixture is characterized in that: comprises a fixed disk (2), a U-shaped plate (5), an adjusting screw rod (6) and a movable clamping block (3), wherein the U-shaped plate (5) is welded at the middle part of the upper end of the fixed disk (2), the movable clamping block (3) is installed at one side of the upper end of the U-shaped plate (5), the fixed clamping block (12) is installed at the other side of the upper end of the U-shaped plate (5), clamping grooves (13) are respectively formed in the opposite side walls of the movable clamping block (3) and the fixed clamping block (12), the adjusting screw rod (6) is installed at the middle part of one side wall of the movable clamping block (3), an adjusting nut (7) is installed at the joint of the U-shaped plate (5) and the adjusting screw rod (6), a guide block (8) is installed at the outer side of the movable clamping block (3) on the U-shaped plate (5), an inward concave structure is adopted at the contact part of the guide block (8) and the movable clamping block (3), the fixing plate is characterized in that the fixing plate (2) is located pressing blocks (14) of Z-shaped plates are mounted on two sides of the U-shaped plate (5), strip holes (10) are formed in the middle of the pressing blocks (14), studs (9) are mounted in the strip holes (10), limiting nuts (11) are mounted on the tops of the studs (9), and guide columns (1) are mounted on one side of the pressing blocks (14).

2. The lathe fixture of claim 1, wherein: three mounting holes (4) are evenly distributed on the periphery of the upper end of the fixed disc (2), and the mounting holes (4) penetrate through the fixed disc (2).

3. The lathe fixture of claim 1, wherein: the movable clamping block (3) is rotationally connected with the adjusting screw rod (6), and the movable clamping block (3) is slidably connected with the guide block (8).

4. The lathe fixture of claim 1, wherein: the fixed clamping block (12) and the guide block (8) are connected with the U-shaped plate (5) through bolts, and the clamping groove (13) is formed in the movable clamping block (3) and the fixed clamping block (12).

5. The lathe fixture of claim 1, wherein: adjusting screw (6) run through U template (5) lateral wall, adjusting screw (6) with adjusting nut (7) connect soon, adjusting nut (7) with U template (5) welding.

6. The lathe fixture of claim 1, wherein: the stud (9) is welded with the fixed disc (2), the stud (9) penetrates through the strip hole (10), and the stud (9) is connected with the limiting nut (11) in a screwing mode.

7. The lathe fixture of claim 1, wherein: the guide post (1) is welded with the fixed disc (2), and the guide post (1) is connected with the pressing block (14) in a sliding mode.