CN217019446U

CN217019446U - Be used for machining part special fixture

Info

Publication number: CN217019446U
Application number: CN202122685962.3U
Authority: CN
Inventors: 李惠
Original assignee: Zunhua Wanxin Construction Machinery Co ltd
Current assignee: Zunhua Wanxin Construction Machinery Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-07-22
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a special clamp for machining parts, which comprises a fixed seat, a convex block, a chuck and a fixed plate, wherein a screw hole is formed in the convex block, a screw rod is connected to the inner part of the screw hole in a threaded manner, a protection mechanism is arranged outside the screw rod and comprises a flexible hose and two groups of extension strips, an installation ring is arranged at one end of the flexible hose, arc-shaped blocks are arranged at the top and the bottom of the installation ring, and a bearing is arranged on each arc-shaped block; the protection mechanism is designed, so that the part can be protected when being cut by a machine after being fixed on the clamp, scraps generated in cutting can be prevented from splashing on the screw, the screw and the screw hole are easily abraded by the scraps when the screw rotates in the screw hole, the abrasion is reduced, and the precision of the part in cutting after being fixed on the clamp is improved.

Description

Be used for machining part special fixture

Technical Field

The utility model belongs to the technical field of clamps, and particularly relates to a special clamp for machining parts.

Background

When a part is machined mechanically, a special clamp is used for fixing the part, the clamp is installed on the machining machine, then the part is fixed on the clamp, and finally machining is carried out.

Current anchor clamps are when using, put the part on anchor clamps fixedly, then carry out cutting process to the part, and can produce a lot of sweeps in cutting process, these sweeps can splash on the screw rod, can all cause wearing and tearing for screw rod and screw when leading to the screw rod to rotate in the screw of convex block, can lead to the screw rod phenomenon such as smooth silk to appear easily, the influence is to the fixed steadiness of part, bring the problem of influence to the machining precision of part, we propose a kind for this reason and are used for machining part special fixture.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a special clamp for machining parts, which aims to solve the problems that when the existing clamp in the background art is used, the parts are placed on the clamp to be fixed, then the parts are cut, a lot of scraps are generated in the cutting process, the scraps can splash onto a screw rod, the screw rod and the screw hole can be abraded when the screw rod rotates in the screw hole in a convex block, the phenomena of thread slipping and the like of the screw rod can be easily caused, the stability of part fixing is influenced, and the machining precision of the parts is influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a be used for machining part special fixture, includes fixing base, convex piece, chuck and fixed plate, the screw has been seted up to the inside of convex piece, the inside threaded connection of screw has the screw rod, the outside of screw rod is provided with protection machanism, protection machanism includes expansion hose and two sets of extension strip, expansion hose's one end is provided with the collar, the top and the bottom of collar all are provided with the arc piece, be provided with the bearing on the arc piece.

Preferably, a vertical column is arranged at the end of the extension bar, the bottom of the vertical column extends to the inside of the bearing, and the other end of the telescopic hose extends to the surface of the convex block.

Preferably, the top of the convex block is provided with an installation block, and the installation block is provided with an inclined baffle.

Preferably, the one end of screw rod is provided with the erection column, logical groove has been seted up to the inside of chuck, the tip of erection column passes logical groove and extend to the inside of chuck, the tip of erection column is provided with the limiting plate.

Preferably, the fixing base with the side of deciding the board all is provided with buffer gear, buffer gear includes the curb plate, the front and the back of curb plate all are provided with the flange, the flange with the chuck with decide all through screw fixed connection between the board, the side of curb plate is provided with the rubber slab.

Preferably, the other end of screw rod is provided with and extends the post, it changes the handle to extend to be provided with on the post, the bottom of fixing base is provided with the base.

Compared with the prior art, the utility model has the beneficial effects that:

(1) the protection mechanism is designed, so that the part can be protected when being cut by a machine after being fixed on the clamp, scraps generated in cutting can be prevented from splashing on the screw, the screw and the screw hole are easily abraded by the scraps when the screw rotates in the screw hole, the abrasion is reduced, and the precision of the part in cutting after being fixed on the clamp is improved.

(2) The buffering mechanism is designed, so that the clamp can buffer a part when the part is fixed, the traditional clamp is prevented from being clamped rigidly, the part is prevented from being clamped by too much force, the appearance is prevented from being influenced, and the quality of the part during processing is improved.

Drawings

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a connecting view of the fixing base and the fixing plate of the present invention;

FIG. 3 is a view of the arcuate block and bearing connection of the present invention;

in the figure: 1. an inclined baffle plate; 2. turning a handle; 3. an extension column; 4. a screw; 5. a base; 6. a fixed seat; 7. Fixing a plate; 8. a chuck; 9. a flexible hose; 10. a convex block; 11. mounting blocks; 12. an extension bar; 13. a bearing; 14. a mounting ring; 15. an arc-shaped block; 16. mounting a column; 17. a side plate; 18. a rubber plate; 19. a convex plate; 20. and (4) vertical columns.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a special clamp for machining parts comprises a fixed seat 6, a convex block 10, a chuck 8 and a fixed plate 7, wherein a screw hole is formed in the convex block 10, a screw rod 4 is connected to the inner part of the screw hole through threads, a protection mechanism is arranged outside the screw rod 4 and comprises a flexible hose 9 and two groups of extension bars 12, one end of the flexible hose 9 is provided with a mounting ring 14, the top and the bottom of the mounting ring 14 are respectively provided with an arc block 15, a bearing 13 is arranged on the arc block 15, the end part of each extension bar 12 is provided with a vertical column 20, the bottom of each vertical column 20 extends into the bearing 13, the other end of the flexible hose 9 extends to the surface of the convex block 10, a mounting block 11 is arranged at the top of the convex block 10, an inclined baffle plate 1 is arranged on the mounting block 11, and the protective mechanism is designed to facilitate mechanical protection of the parts during cutting and machining after the parts are fixed on the clamp, the sweeps that produce when preventing the cutting can splash to screw rod 4 on, lead to screw rod 4 and screw to all can be caused the condition of wearing and tearing by the sweeps easily when the screw internal rotation of screw rod 4, have alleviateed wearing and tearing, help improving the precision that the part was cut and was processed on anchor clamps after fixed.

In this embodiment, preferably, one end of the screw rod 4 is provided with a mounting column 16, a through groove is formed inside the chuck 8, an end of the mounting column 16 passes through the through groove and extends into the chuck 8, and an end of the mounting column 16 is provided with a limiting plate.

In this embodiment, it is preferred, fixing base 6 all is provided with buffer gear with the side of deciding board 7, buffer gear includes curb plate 17, curb plate 17's front and back all are provided with flange 19, flange 19 and chuck 8 all through screw fixed connection between deciding board 7, the side of curb plate 17 is provided with rubber slab 18, buffer gear through the design, the anchor clamps of being convenient for can cushion it when fixed with the part, it all is hard centre gripping to prevent traditional anchor clamps, will cause the part to produce the clamp mark if exert oneself too greatly, influence the condition of outward appearance, the quality during part processing has been improved.

In this embodiment, preferably, the other end of the screw rod 4 is provided with an extension column 3, the extension column 3 is provided with a rotating handle 2, and the bottom of the fixing seat 6 is provided with a base 5.

The working principle and the using process of the utility model are as follows:

when the utility model is used, an operator places a part on the clamp and is positioned between the chuck 8 and the fixed plate 7, holds the rotating handle 2 to rotate towards the direction close to the chuck 8, drives the screw rod 4 to rotate, the screw rod 4 drives the mounting column 16 to rotate, the mounting column 16 drives the chuck 8 to move, finally, the chuck 8 can fix the part, and drives the flexible hose 9 to move towards the chuck 8 while the chuck 8 moves, the flexible hose 9 can be unfolded, at the moment, the flexible hose 9 can wrap the screw rod 4 and protect the screw rod 4, so as to prevent waste scraps from splashing on the screw rod 4 during cutting and processing, when the chuck 8 swings in the moving process, the upright column 20 rotates in the bearing 13, so that the flexible hose 9 can stably move, when the part is processed, the rotating handle 2 rotates towards the outer side, drives the extension column 3 to rotate, the extension column 3 drives the screw rod 4 to rotate, the screw 4 drives the mounting column 16 to rotate, the mounting column 16 drives the chuck 8 to move outwards, the chuck 8 can drive the flexible hose 9 to move, the flexible hose 9 contracts, and the inclined baffle plate 1 also has a protection effect in processing, so that scraps are prevented from splashing on the screw 4 positioned on the outer side of the convex block 10;

the side plates 17 are respectively placed at the side positions of the chuck 8 and the fixed plate 7, and the convex plates 19 on the side plates 17 are fixed on the chuck 8 and the fixed plate 7 through screws, so that the buffer mechanism can be installed, the rubber plates 18 on the side plates 17 can play a buffer role when the clamp clamps a part, and the condition that clamping marks occur when the clamp clamps the part is reduced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be used for machining part special fixture, includes fixing base (6), convex block (10), chuck (8) and decides board (7), its characterized in that: the screw hole has been seted up to the inside of convex block (10), the inside threaded connection of screw hole has screw rod (4), the outside of screw rod (4) is provided with protection machanism, protection machanism includes expansion hose (9) and two sets of extension strip (12), the one end of expansion hose (9) is provided with collar (14), the top and the bottom of collar (14) all are provided with arc piece (15), be provided with bearing (13) on arc piece (15).

2. The special fixture for machining parts as claimed in claim 1, wherein: the end part of the extension bar (12) is provided with a vertical column (20), the bottom of the vertical column (20) extends to the inside of the bearing (13), and the other end of the telescopic hose (9) extends to the surface of the convex block (10).

3. The special fixture for machining parts as claimed in claim 1, wherein: the top of the convex block (10) is provided with a mounting block (11), and the mounting block (11) is provided with an inclined baffle (1).

4. The special clamp for machining parts according to claim 1, wherein: the one end of screw rod (4) is provided with erection column (16), logical groove has been seted up to the inside of chuck (8), the tip of erection column (16) passes logical groove and extend to the inside of chuck (8), the tip of erection column (16) is provided with the limiting plate.

5. The special clamp for machining parts according to claim 4, wherein: fixing base (6) with the side of deciding board (7) all is provided with buffer gear, buffer gear includes curb plate (17), the front and the back of curb plate (17) all are provided with flange (19), flange (19) with chuck (8) with decide between board (7) all through screw fixed connection, the side of curb plate (17) is provided with rubber slab (18).

6. The special clamp for machining parts according to claim 5, wherein: the other end of screw rod (4) is provided with extends post (3), it changes handle (2) to extend to be provided with on post (3), the bottom of fixing base (6) is provided with base (5).