CN209774040U

CN209774040U - Eccentric part machining clamp

Info

Publication number: CN209774040U
Application number: CN201920345193.2U
Authority: CN
Inventors: 杨明华; 丁舒颉; 陈欢; 朱晓君; 洪涛
Original assignee: Shanghai Tobacco Machinery Xinchang Foundry Co Ltd
Current assignee: Shanghai Tobacco Machinery Xinchang Foundry Co Ltd
Priority date: 2019-03-19
Filing date: 2019-03-19
Publication date: 2019-12-13
Anticipated expiration: 2029-03-19

Abstract

The utility model discloses an eccentric part processing clamp, belonging to a clamp; the key points of the technical scheme are as follows: the fixing device comprises a fixing plate and a plurality of fixing holes arranged on the fixing plate, wherein the plurality of fixing holes are uniformly distributed in two rows; the upper end of the fixing hole is provided with a holding tank capable of holding the upper end of the workpiece, and the fixing plate is also provided with a pressing plate capable of pressing the workpiece; threaded holes are formed between every two adjacent rows of fixing holes, fixing bolts are inserted into the centers of the pressing plates, and the lower ends of the fixing bolts penetrate through the pressing plates and are in threaded connection with the threaded holes. The utility model provides an inconvenient fixed problem that influences work efficiency of work piece, reached the fixed work piece improvement work efficiency's of side change effect.

Description

eccentric part machining clamp

Technical Field

the utility model relates to an anchor clamps, more specifically the theory that says so, it relates to an eccentric member adds clamping apparatus.

Background

The clamp is a device which is used for fixing a processing object in the mechanical manufacturing process to enable the processing object to occupy a correct position so as to receive construction or detection, and is also called as a clamp; 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.

As shown in fig. 1, a workpiece 1 to be machined includes a column 11 and a disc 12, and when machining is performed, a circular hole needs to be machined in the upper surface of the disc 12, and the workpiece 1 needs to be fixed, and generally when machining the workpiece 1 having the shape shown in the drawing, the workpiece 1 is clamped and fixed on a three-jaw chuck, but the size of the workpiece 1 is small, and when the three-jaw chuck is used for fixing, the operation is too troublesome, and the work efficiency is affected.

SUMMERY OF THE UTILITY MODEL

not enough to prior art exists, the utility model aims to provide an eccentric part adds clamping apparatus, its cooperation through a plurality of fixed orificess and pressure strip can be fixed a plurality of work pieces, has realized the fixed purpose that improves work efficiency of side change work piece.

In order to achieve the above purpose, the utility model provides a following technical scheme: an eccentric part machining clamp comprises a fixing plate and a plurality of fixing holes formed in the fixing plate, wherein the fixing holes are uniformly distributed in two rows;

the upper end of the fixing hole is provided with a holding tank capable of holding the upper end of the workpiece, and the fixing plate is also provided with a pressing plate capable of pressing the workpiece;

threaded holes are formed between every two adjacent rows of fixing holes, fixing bolts are inserted into the centers of the pressing plates, and the lower ends of the fixing bolts penetrate through the pressing plates and are in threaded connection with the threaded holes.

Through adopting above-mentioned technical scheme, the work piece is installed in the fixed orifices, and the pressure strip is fixed the work piece, and the processing of side change work piece, and a plurality of work pieces can be installed to a plurality of fixed orifices to a plurality of work pieces can be processed simultaneously at the in-process of processing, do not need frequent installation fixed work piece, can improve the efficiency of work.

The utility model discloses further set up to: arc-shaped grooves are formed in the lower surfaces of the two ends of the pressing plate.

Through adopting above-mentioned technical scheme, the arc wall can be better with the surface laminating of work piece to what make the pressure strip better compresses tightly the work piece, make the fixed more stable of work piece.

The utility model discloses further set up to: the lower surface of the pressing plate at the two sides of each row of fixing holes is fixedly connected with a cushion block, and the cushion block is positioned at one end, far away from the fixing holes, of the pressing plate.

Through adopting above-mentioned technical scheme, the pressure strip is generally fixed two work pieces simultaneously, but marginal portion's pressure strip only can fix a work piece, then the one end of pressure strip can be unsettled, and the cushion can support the unsettled one end of pressure strip, makes the pressure strip can not take place the slope, makes the pressure strip can fix the work piece.

The utility model discloses further set up to: the fixing plate is also provided with a mounting hole which can enable the fixing plate to be mounted on the drilling machine.

Through adopting above-mentioned technical scheme, can install the fixed plate on the drilling machine through the mounting hole, and the fixed plate can be dismantled, make the use of anchor clamps nimble more convenient.

The utility model discloses further set up to: a circular groove is formed in the upper end of the mounting hole, and the diameter of the groove is larger than that of the mounting hole.

through adopting above-mentioned technical scheme, the cooperation of recess and mounting hole then when the installation fixed plate, and can use heavy groove bolt to carry out fixed mounting to the fixed plate, make the upper surface of fixed plate not have extra arch, can not receive the influence when processing man-hour to the work piece.

The utility model discloses further set up to: the fixing bolt is an inner hexagon bolt.

Through adopting above-mentioned technical scheme, the bolt is hexagon bolt, then when rotating the bolt, can occupy littleer space, when fixed and dismantlement pressure strip, can not cause the influence each other.

The utility model discloses further set up to: round corners are arranged on the edges around the fixing plate.

Through adopting above-mentioned technical scheme, the sharp edge of fixed plate is replaced to the fillet, can avoid sharp edge to cause the fish tail to the workman, reduces the potential safety hazard that exists.

The utility model discloses further set up to: and a supporting column capable of supporting the workpiece is arranged on the bottom surface of the fixing hole.

Through adopting above-mentioned technical scheme, the support column can support the lower extreme of work piece, reduces the atress of work piece upper end and holding tank bottom surface, can reduce the probability that the work piece takes place to warp, and support column and pressure strip cooperation, can make the fixed more stable of work piece, can not take place to rotate, so can improve the quality of processing.

The utility model discloses further set up to: a plurality of blind holes are formed in the lower surface of the fixing plate and are aligned with the fixing holes, the lower end of the supporting column is located inside the blind holes, the supporting column is in threaded connection with the top surface of the blind holes, and the upper end of the supporting column is located inside the blind holes.

Through adopting above-mentioned technical scheme, the top surface threaded connection of support column and blind hole makes the height that the support column bulges the fixed orifices bottom surface can adjust, makes the support column can support the work piece of co-altitude.

The utility model discloses further set up to: the lower extreme fixedly connected with square axle of support column.

Through adopting above-mentioned technical scheme, through square axle can be more convenient rotation support column, make the use of support column more convenient, improve the efficiency of work.

To sum up, the utility model discloses compare and have following beneficial effect in prior art:

1. The pressing plate is matched with the fixing hole, so that the workpieces can be conveniently and fixedly installed, a plurality of workpieces can be installed at the same time, the workpieces can be processed at the same time, and the working efficiency can be improved;

2. The supporting columns are arranged in the fixing holes and can support the workpiece, and the supporting columns are matched with the pressing plate, so that the workpiece can be fixed more stably, stress between the disc and the accommodating groove can be reduced, the workpiece is prevented from being damaged, and the quality of the workpiece cannot be reduced.

Drawings

FIG. 1 is a structural view of a work in the background art;

FIG. 2 is a structural view of a fixing plate in the embodiment;

FIG. 3 is a view showing a structure in which a workpiece is mounted on a fixing plate in the embodiment;

FIG. 4 is a structural view of a pressing plate in the embodiment;

Figure 5 is a cross-sectional view of a highlighted support post in an embodiment.

In the figure: 1. a workpiece; 11. a cylinder; 12. a disc; 2. a fixing plate; 21. a fixing hole; 22. accommodating grooves; 23. mounting holes; 24. a groove; 25. a threaded hole; 26. round corners; 27. blind holes; 28. a support pillar; 29. a square shaft; 3. a compression plate; 31. fixing the bolt; 32. an arc-shaped slot; 33. and a cushion block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b): an eccentric part processing clamp, as shown in fig. 2 and 3, comprises a fixed plate 2 and a plurality of compression plates 3 arranged on the fixed plate 2; a plurality of fixing holes 21 are formed in the fixing plate 2, the fixing holes 21 are arranged in two rows, the fixing holes 21 in each row are uniformly distributed, and the upper ends of the fixing holes 21 are provided with accommodating grooves 22; when the workpiece 1 is installed, the cylinder 11 is positioned in the fixing hole 21, the disc 12 is positioned in the accommodating groove 22, and the lower surface of the pressing plate 3 is attached to the upper surface of the disc 12, so that the pressing plate 3 can fix the workpiece 1 on the fixing plate 2, and the workpiece 1 is convenient to process; mounting hole 23 has been seted up in four corners of fixed plate 2, circular shape recess 24 has been seted up to the upper end of mounting hole 23, the axis of recess 24 and the axis coincidence of mounting hole 23, then can fix fixed plate 2 on the drilling machine through mounting hole 23, and fixed plate 2 also can be dismantled, make things convenient for the nimble use of anchor clamps, the existence of recess 24 can adopt the counter sink bolt to fix fixed plate 2, make the upper surface of fixed plate 2 can not have extra arch, can not cause the influence to the processing of work piece 1.

As shown in fig. 2 and 3, a threaded hole 25 is formed between each row of adjacent fixing holes 21, a fixing bolt 31 is inserted into the pressing plate 3, the lower end of the fixing bolt 31 penetrates through the pressing plate 3 and is in threaded connection with the threaded hole 25, the pressing plate 3 can move towards the direction close to the fixing plate 2 by screwing the fixing bolt 31, and at the moment, the surfaces of the discs 12 on the workpieces 1 in the adjacent fixing holes 21 are respectively contacted with the lower surfaces of the two ends of the pressing plate 3, so that the workpieces 1 can be fixed in the fixing holes 21 by the pressing plate 3; the fixing bolt 31 is an internal hexagonal bolt, and when the fixing bolt 31 is rotated, an excessive space is not occupied, and thus mutual interference is not caused when the fixing bolt 31 is rotated.

As shown in fig. 4, the arc-shaped grooves 32 are formed in the lower surfaces of the two ends of the pressing plate 3, the arc-shaped grooves 32 can be attached to the circumferential surface of the disc 12 better, and the arc-shaped grooves 32 can also accommodate a part of the disc 12, so that the part of the disc 12 is located in the arc-shaped grooves 32, and the pressing plate 3 can be better used for fixing the workpiece 1.

As shown in fig. 3, the lower surfaces of the pressing plates 3 at the two ends of each row of fixing holes 21 are fixedly connected with cushion blocks 33, the cushion blocks 33 are arranged at the ends of the pressing plates 3 far away from the fixing holes 21, and the two ends of the pressing plate 3 between the two fixing holes 21 are in contact with the two workpieces 1, so that the pressing plates 3 are in a balanced state and can fix the workpieces 1; and the pressure strip 3 at both ends only has one end and work piece 1 contact, so be equipped with cushion 33, can fill up the flat to pressure strip 3, make pressure strip 3 can not take place the skew, can fix work piece 1.

as shown in fig. 3, round corners 26 have been all seted up to the edge department all around of fixed plate 2, and sharp edge is replaced to round corners 26, can avoid sharp edge to cause the fish tail to the workman, reduces the potential safety hazard that exists.

as shown in fig. 5, a plurality of blind holes 27 have been seted up to the lower surface of fixed plate 2, and every blind hole 27 all corresponds with a fixed orifices 21, the top surface threaded connection of blind hole 27 has support column 28, the upper end of support column 28 can stretch into in the fixed orifices 21, the upper end of support column 28 can contact with the lower extreme of cylinder 11, so support column 28 can play the effect of support to work piece 1, support column 28 cooperation pressure strip 3 can carry out better fixed to work piece 1, make work piece 1 can not take place to rotate at the in-process of processing, and can reduce the effort between disc 12 and the holding tank 22 bottom surface, avoid work piece 1 to produce the damage.

As shown in fig. 5, the lower end of the supporting column 28 is fixedly connected with a square shaft 29, and the supporting column 28 can be rotated through the square shaft 29, so that the height of the supporting column 28 protruding in the fixing hole 21 can be adjusted, the supporting column 28 can support different workpieces, and the clamp is more flexible and convenient to use.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an eccentric member adds clamping apparatus which characterized in that: the fixing device comprises a fixing plate (2) and a plurality of fixing holes (21) formed in the fixing plate (2), wherein the fixing holes (21) are uniformly distributed in two rows;

The upper end of the fixing hole (21) is provided with an accommodating groove (22) capable of accommodating the upper end of the workpiece (1), and the fixing plate (2) is also provided with a pressing plate (3) capable of pressing the workpiece (1);

Threaded holes (25) are formed between every two adjacent rows of fixing holes (21), fixing bolts (31) are inserted into the centers of the pressing plates (3), and the lower ends of the fixing bolts (31) penetrate through the pressing plates (3) to be in threaded connection with the threaded holes (25).

2. The eccentric member machining jig according to claim 1, wherein: arc-shaped grooves (32) are formed in the lower surfaces of the two ends of the pressing plate (3).

3. the eccentric member machining jig according to claim 1, wherein: the lower surfaces of the pressing plates (3) at the two sides of each row of fixing holes (21) are fixedly connected with cushion blocks (33), and the cushion blocks (33) are located at one ends, far away from the fixing holes (21), of the pressing plates (3).

4. The eccentric member machining jig according to claim 1, wherein: the fixing plate (2) is also provided with a mounting hole (23) which can enable the fixing plate (2) to be mounted on a drilling machine.

5. An eccentric member machining jig according to claim 4, wherein: a circular groove (24) is formed in the upper end of the mounting hole (23), and the diameter of the groove (24) is larger than that of the mounting hole (23).

6. The eccentric member machining jig according to claim 1, wherein: the fixing bolt (31) is an inner hexagon bolt.

7. The eccentric member machining jig according to claim 1, wherein: round corners (26) are arranged on the edges around the fixing plate (2).

8. The eccentric member machining jig according to claim 1, wherein: and a supporting column (28) capable of supporting the workpiece (1) is arranged on the bottom surface of the fixing hole (21).

9. The eccentric member machining jig according to claim 1, wherein: a plurality of blind holes (27) have been seted up to the lower surface of fixed plate (2), and blind hole (27) and fixed orifices (21) align, and the lower extreme of support column (28) is in blind hole (27) inside, and the top surface threaded connection of support column (28) and blind hole (27), and the upper end of support column (28) is in blind hole (27) inside.

10. An eccentric member machining jig according to claim 9, wherein: the lower end of the supporting column (28) is fixedly connected with a square shaft (29).