CN210677812U

CN210677812U - Secondary clamping fixture for slender precision part

Info

Publication number: CN210677812U
Application number: CN201920643540.XU
Authority: CN
Inventors: 杨显钢
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-02
Filing date: 2019-05-02
Publication date: 2020-06-05
Anticipated expiration: 2029-05-02

Abstract

The utility model discloses a secondary clamping anchor clamps of slender type precision piece, which comprises a frame, the frame is "U" type structure, and the spring is installed to the inboard bottom of frame, there is the bottom plate inboard of frame through spring coupling, the inside of bottom plate is provided with first spout, the inside of first spout is provided with the first slider of mutually supporting with it, and the top of first slider is fixed with the stripper plate, one side of frame is provided with the through-hole, the stripper plate is close to the side-mounting of through-hole and has the bearing, and the inside of bearing is provided with the screw rod that runs through the through-hole and extend to the frame outside. The utility model discloses a fixed block and recess are mutually supported, make the bottom of dead lever contact with the top of work piece, fix the work piece, and remove in the inside of first spout through first slider, make the stripper plate carry out the chucking to the work piece, can make fixed effect better, avoid the work piece to take place the skew man-hour.

Description

Secondary clamping fixture for slender precision part

Technical Field

The utility model relates to an anchor clamps technical field specifically is a secondary clamping anchor clamps of slender type precision piece.

Background

Before the workpiece is machined, it must first be brought to a correct position in the machine tool or fixture, a process called positioning, in order to keep the positioned workpiece at the correct position all the time in the machining process, the workpiece needs to be tightly pressed and clamped, the process is called clamping, the whole process of positioning and clamping is called clamping together, for some slender precision pieces, one-time clamping is difficult to complete, secondary clamping is needed, but the prior secondary clamping fixture has poor fixing effect, so that the workpiece is deviated during processing to influence the processing operation, moreover, the prior clamp clamps a plurality of workpieces with the same size, and when the sizes are different, the clamp needs to be replaced, the practicability is not strong, and the existing clamp does not effectively buffer the workpiece when supporting the workpiece, so that the workpiece is easy to damage the clamp, and the service life of the clamp is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a secondary clamping anchor clamps of slender type precision piece to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a secondary clamping anchor clamps of slim and long type precision part, includes the frame, the frame is "U" type structure, and the spring is installed to the inboard bottom of frame, there is the bottom plate inboard of frame through spring coupling, the inside of bottom plate is provided with first spout, the inside of first spout is provided with the first slider of mutually supporting with it, and the top of first slider is fixed with the stripper plate, one side of frame is provided with the through-hole, the stripper plate is close to the side-mounting of through-hole has the bearing, and the inside of bearing is provided with the screw rod that runs through the through-hole and extend to the frame outside, the inside one side of keeping away from the through-hole of frame is provided with the pivot, the inside of frame is rotated through the pivot and is connected with the dead lever, and the end of dead lever is fixed with the fixed block, the frame top.

Preferably, the inner side of the through hole is provided with an internal thread, and the outer side of the screw rod is provided with an external thread matched with the internal thread.

Preferably, a handle is fixed at one end of the screw rod, which is far away from the bearing, and anti-skid grains are arranged on the surface of the handle.

Preferably, both ends of the inside of the groove are provided with second sliding grooves, the inside of each second sliding groove is provided with second sliding blocks matched with the second sliding grooves, and a fixing plate is connected to the upper portion of the inside of the groove in a sliding mode through the two groups of second sliding blocks.

Preferably, a handle is fixed on the top of the fixing plate, and the handle is made of plastic.

Preferably, the number of the springs is three, and the springs are uniformly distributed at the bottom end inside the frame.

Compared with the prior art, the beneficial effects of the utility model are that: this kind of secondary clamping anchor clamps of slender type precision piece mutually supports through fixed block and recess, make the bottom of dead lever contact with the top of work piece, fix the work piece, and remove in the inside of first spout through first slider, make the stripper plate carry out the chucking to the work piece, can make fixed effect better, avoid the work piece to take place the skew man-hour, the normal clear of processing operation has been guaranteed, and the distance through adjusting screw propulsion frame, can fix the not unidimensional work piece, the practicality of anchor clamps has been strengthened, and when the work piece was placed on the bottom plate, can compress the spring, the spring effectively cushions the work piece, avoid long-time use work piece to cause the pressure loss to anchor clamps, the life of anchor clamps has been prolonged.

Drawings

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

FIG. 2 is a side view of the present invention in partial structure;

fig. 3 is a top view of the present invention;

fig. 4 is a schematic view of the connection structure of the frame and the rotating shaft of the present invention.

In the figure: 1. a frame; 2. a spring; 3. a base plate; 4. a first chute; 5. a first slider; 6. a pressing plate; 7. a through hole; 8. a bearing; 9. an internal thread; 10. a screw; 11. an external thread; 12. a handle; 13. a rotating shaft; 14. fixing the rod; 15. A fixed block; 16. a groove; 17. a second chute; 18. a second slider; 19. a fixing plate; 20. a handle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a secondary clamping fixture for a slender precision part comprises a frame 1, wherein the frame 1 is of a U-shaped structure, a spring 2 is arranged at the bottom end of the inner side of the frame 1, the inner side of the frame 1 is connected with a bottom plate 3 through the spring 2, a first sliding groove 4 is arranged inside the bottom plate 3, a first sliding block 5 matched with the first sliding groove 4 is arranged inside the first sliding groove 4, a squeezing plate 6 is fixed at the top of the first sliding block 5, a through hole 7 is arranged at one side of the frame 1, a bearing 8 is arranged on the side, close to the through hole 7, of the squeezing plate 6, a screw 10 penetrating through the through hole 7 and extending to the outer side of the frame 1 is arranged inside the bearing 8, a rotating shaft 13 is arranged at one side, far away from the through hole 7, inside the frame 1 is rotatably connected with a fixing rod 14 through the rotating shaft 13, a fixing block 15 is fixed at the tail end of the fixing rod 14, a, the figure of spring 2 is three groups, and spring 2 evenly distributed is fixed bottom well at frame 1 inside, avoids bottom plate 3 to take place the slope.

In this embodiment: by rotating the fixed rod 14, the fixed rod 14 is transversely blocked above the frame 1 to clamp and fix a precise part to be fixed, and the handle 12 is rotated to enable the screw rod 10 to push the extrusion plate 6 to move on the inner side of the frame 1, so that the extrusion plate 6 and a workpiece are clamped, the workpiece is better fixed, the workpiece is prevented from being cheap in the machining process, and the normal operation of machining operation is ensured.

Referring to fig. 1 and 3, an inner thread 9 is disposed inside the through hole 7, and an outer thread 11 matched with the inner thread 9 is disposed outside the screw rod 10; a handle 12 is fixed at one end of the screw 10 far away from the bearing 8, and anti-skid grains are arranged on the surface of the handle 12.

The utility model discloses in, through rotating handle 12, the internal thread 9 inside external screw thread 11 and through-hole 7 on the screw rod 10 mutually support, make the screw rod 10 constantly to the inboard removal of frame 1, and then promote stripper plate 6, through the distance of adjusting stripper plate 6 and frame 1 medial surface, can carry out the chucking to not unidimensional precision piece and fix, strengthened the practicality of anchor clamps, the staff's of being convenient for use.

Referring to fig. 1 and fig. 2, two ends of the inside of the groove 16 are both provided with second sliding grooves 17, and the inside of the second sliding grooves 17 is both provided with second sliding blocks 18 matched with the second sliding grooves, and the upper part of the inside of the groove 16 is connected with a fixing plate 19 through two groups of second sliding blocks 18 in a sliding manner; a handle 20 is fixed on the top of the fixing plate 19, and the handle 20 is made of plastic.

The utility model discloses in, through pulling handle 20, make second slider 18 remove in the inside of second spout 17, make fixed plate 19 be located the inside top of recess 16, block fixed block 15, ensure that fixed block 15 card can not take place the skew in the inside of recess 16, guaranteed the fixed effect of dead lever 14 to the work piece.

The working principle is as follows: one end of a slender precision piece is placed on a bottom plate, the precision piece compresses a spring 2 to protect the clamp, the precision piece is prevented from being damaged by pressure, a fixed rod 14 is pulled to enable a fixed block 15 to fall into a groove 16, the fixed rod 14 clamps the precision piece, a handle 20 is pulled to enable a second sliding block 18 to move in a second sliding groove 17, a fixed plate 19 is clamped above the inside of the groove 16 to block the fixed block 15, the fixed block 15 is prevented from being separated from the groove 16, the fixing effect is influenced, a handle 12 is rotated, an extrusion plate 6 moves in the bottom plate through the mutual matching of an external thread 11 on a screw rod 10 and an internal thread 9 on a through hole 7, workpieces with different sizes can be fixed by controlling the distance of the screw rod 10 to enter or exit from the through hole 7, the practicability of the clamp is enhanced, the other end of the slender precision piece is continuously clamped by using the clamp, through secondary clamping, the slender precision part is fixed, and the processing operation of the slender precision part is convenient.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a secondary clamping anchor clamps of slender type precision piece, includes frame (1), its characterized in that: the frame (1) is of a U-shaped structure, a spring (2) is installed at the bottom of the inner side of the frame (1), the inner side of the frame (1) is connected with a bottom plate (3) through the spring (2), a first sliding chute (4) is arranged inside the bottom plate (3), a first sliding block (5) matched with the first sliding chute (4) is arranged inside the first sliding chute (4), an extrusion plate (6) is fixed at the top of the first sliding block (5), a through hole (7) is formed in one side of the frame (1), a bearing (8) is installed on the side, close to the through hole (7), of the extrusion plate (6), a screw rod (10) penetrating through the through hole (7) and extending to the outer side of the frame (1) is arranged inside the bearing (8), a rotating shaft (13) is arranged on the side, far away from the through hole (7), and a fixing rod (14) is rotatably connected with the inside of the frame (1) through, and the tail end of the fixing rod (14) is fixed with a fixing block (15), and one side of the top of the frame (1), which is far away from the rotating shaft (13), is provided with a groove (16) which is matched with the fixing block (15).

2. The secondary clamping fixture for the slender precision part according to claim 1, characterized in that: the inner side of the through hole (7) is provided with an internal thread (9), and the outer side of the screw rod (10) is provided with an external thread (11) which is matched with the internal thread (9).

3. The secondary clamping fixture for the slender precision part according to claim 1, characterized in that: and a handle (12) is fixed at one end of the screw rod (10) far away from the bearing (8), and anti-skid lines are arranged on the surface of the handle (12).

4. The secondary clamping fixture for the slender precision part according to claim 1, characterized in that: the two ends in the groove (16) are provided with second sliding grooves (17), the second sliding grooves (17) are provided with second sliding blocks (18) matched with the second sliding grooves, and a fixing plate (19) is connected to the upper portion in the groove (16) in a sliding mode through the two groups of second sliding blocks (18).

5. The secondary clamping fixture for the slender precision part according to claim 4, characterized in that: the top of the fixed plate (19) is fixed with a handle (20), and the handle (20) is made of plastic materials.

6. The secondary clamping fixture for the slender precision part according to claim 1, characterized in that: the number of the springs (2) is three groups, and the springs (2) are uniformly distributed at the bottom end inside the frame (1).