CN109483297B

CN109483297B - Auxiliary workpiece clamping fixture

Info

Publication number: CN109483297B
Application number: CN201811632994.3A
Authority: CN
Inventors: 熊犇; 李爱军; 廖海云
Original assignee: Foshan Pratic CNC Science and Technology Co Ltd
Current assignee: Guangdong Pradi Technology Co., Ltd
Priority date: 2018-12-28
Filing date: 2018-12-28
Publication date: 2021-04-27
Anticipated expiration: 2038-12-28
Also published as: CN109483297A

Abstract

The invention provides an auxiliary clamping workpiece fixture, which comprises: a frame and a cylinder; the frame includes: the movable block is detachably mounted on the transverse plate, two ends of the transverse plate are fixedly connected with the upper end of one support column respectively, the number of the support columns is two, the support columns are connected with the support frames in a height-adjustable manner, and the support frames are provided with a plurality of support columns, mounted on the base and used for supporting workpieces; the cylinder is used for compressing the workpiece and is fixed below the moving block, and a piston rod of the cylinder is connected with an upper pressing block.

Description

Auxiliary workpiece clamping fixture

Technical Field

The invention relates to the field of workpiece processing, in particular to an auxiliary clamping workpiece fixture.

Background

In the field of workpiece processing, particularly for long-strip workpieces, a clamp is generally used for clamping the left side and the right side of the workpiece. When the machining is carried out, the workpiece cannot be well fixed and limited in the vertical direction and local areas, the workpiece vibration phenomenon can occur, and the machining is influenced.

Disclosure of Invention

In order to solve the defects, the invention provides an auxiliary workpiece clamping fixture which can meet the clamping requirements of workpieces of various specifications and prevent the workpieces from vibrating.

A supplementary clamping workpiece holder comprising:

a frame, the frame comprising: the device comprises a moving block, a transverse plate, a supporting frame, a supporting column and a base; the moving block is detachably arranged on the transverse plate; the two ends of the transverse plate are connected with the upper ends of the supporting columns; the two support columns are arranged, and the lower ends of the two support columns are fixedly connected with the support frame; the plurality of support frames are arranged on the base and are used for supporting the workpiece;

the cylinder is fixed below the moving block, a piston rod of the cylinder is connected with an upper pressing block, and the cylinder is used for pressing a workpiece.

Preferably, the cylinder is provided with a plurality of guide rods fixedly connected with the upper pressing block.

Preferably, the moving block can be installed at different positions on the transverse plate to change the position of the cylinder, and the moving block and the transverse plate are fastened and fixed through bolts.

Preferably, the support frame is divided into a high-low support frame and a fixed support frame; the high-low support frames are detachably arranged on different positions of the base and are correspondingly arranged below the air cylinder; the fixed support frames are fixedly arranged at the two ends of the base.

Preferably, the supporting column is fixedly connected with the fixed supporting frame.

Preferably, the high-low support frame comprises an upper connecting plate and a lower connecting plate, the upper connecting plate and the lower connecting plate are fastened through bolts, and the upper connecting plate can move up and down through loosening the bolts.

Preferably, the upper connecting plate is fixedly provided with a lower pressing block, the lower connecting plate is fixedly connected with the base through bolts, and the lower connecting plate can move due to the loosening of the bolts.

Preferably, the number of the moving blocks, the number of the air cylinders, the number of the high-low supporting frames, the number of the upper pressing blocks and the number of the lower pressing blocks are equal and at least two, and the moving blocks, the air cylinders, the high-low supporting frames, the upper pressing blocks and the lower pressing blocks are in one-to-one correspondence in the vertical direction.

Preferably, a stop block and a permanent magnetic chuck are arranged below the base.

According to the technical scheme, the auxiliary clamping workpiece fixture is adopted, the flagpole and the high-low support frame are arranged, and the height of the flagpole and the height of the high-low support frame are adjustable, so that the auxiliary clamping of workpieces of different specifications, particularly long-strip-shaped workpieces, is met, the clamping strength is enhanced, and the workpieces are prevented from vibrating in the machining process.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged view of the "ii" portion of fig. 1.

Wherein, the reference numbers:

1, a frame; 11 moving block; 12, a transverse plate; 13 support columns; 14, a support frame; 141 fixing a support frame; 142 high and low supports; 1421 connecting the board; 1422 lower connecting plate; 15 a base; 2, a cylinder; 21 a guide bar; 3, briquetting; 4, briquetting under pressure; 5, a stop block; 6 permanent magnetic chuck.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B" including either scheme A, or scheme B, or a scheme in which both A and B are satisfied. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

A supplementary clamping workpiece holder comprising:

frame 1, frame 1 includes: the device comprises a moving block 11, a transverse plate 12, a support frame 14, a support column 13 and a base 15; the moving block 11 is detachably mounted on the transverse plate 12; the two ends of the transverse plate 12 are connected with the upper ends of the supporting columns 13; two support columns 13 are arranged, and the lower ends of the two support columns are fixedly connected with the support frame 14; a plurality of support frames 14 are arranged and mounted on the base 15 for supporting a workpiece;

the cylinder 2 is fixed below the moving block 11, a piston rod of the cylinder 2 is connected with an upper pressing block 3, and the cylinder 2 is used for pressing a workpiece.

The technical scheme includes that the rack 1 for assisting in clamping the workpiece fixture is adopted, the rack 1 is used for supporting the workpiece through the support frame 14, the cylinder 2 extends out of the piston rod to press the workpiece, and the workpiece is clamped through the cooperation of the support frame 14 and the cylinder 2. It should be noted that the piston rod of the cylinder 2 is connected with the upper pressing block 3 for increasing the pressing area; the base 15, the support frame 14, the support columns 13, the transverse plate 12 and the moving block 11 are connected with one another one by one, and are used for supporting and movably fixing the air cylinder 2. Wherein, the cylinder 2 is fixed below the moving block 11. In an embodiment, the moving block 11 may be fixed to different positions on the transverse plate 12 by tightening bolts, and removing the bolts may move the moving block 11 to drive the cylinder 2 to move on the transverse plate, so that the cylinder 2 compresses two sides of workpieces with different widths. The base 15 is used for supporting and fixing the device, the support frame 14 is used for supporting a workpiece and fixing the support column 13, the support column 13 is used for adjusting the height of the transverse plate 12 and fixing the transverse plate 12, and the transverse plate 12 is used for fixing the moving block 11.

It should be noted that the air cylinder 2 and the support frame 14 compress the workpiece in the Z direction, and in order to clamp the workpiece at different heights, the horizontal plate adjusts the position connected with the support column to change the height, so as to drive the air cylinder 2 to move up and down. It should be noted that, in this embodiment, the upper end of the supporting column 13 is an external thread structure, passes through the horizontal plate, and is screwed and fixed by nuts at the upper side and the lower side of the joint of the horizontal plate and the supporting column 13. Correspondingly, the supporting frame 14 for supporting the workpiece can also adjust its height to adapt to clamping workpieces with different heights and thicknesses.

Furthermore, a plurality of guide rods 21 are arranged on the cylinder 2 and fixedly connected with the upper pressing block 3. The cylinder 2 is provided with a plurality of guide rods 21, and is used for guiding the upper pressing block 3 in the vertical direction, so that the upper pressing block 3 can be stabilized, and the burden of a piston rod of the cylinder 2 is reduced. The cylinder 2 is extended out to press the workpiece by using a piston rod of the cylinder, and retracted to release the workpiece. Because the piston rod of the cylinder 2 needs to directly exert a large force on the upper pressing block 3 to compress the workpiece, the piston rod is easy to be eccentric, and the upper pressing block 3 is deviated in position, the guide rod 21 is needed to limit the horizontal movement of the upper pressing block 3, and the upper pressing block 3 is fixed to prevent micro-displacement.

Further, the moving block 11 may be installed at different positions on the transverse plate 12 to change the position of the cylinder 2, and the moving block 11 and the transverse plate 12 are fastened and fixed by bolts. The transverse plate 12 is provided with a plurality of screw holes corresponding to the moving block 11, and the moving block 11 is mounted on different screw holes by using bolts to change the position of the moving block. In an embodiment, the moving block 11 is provided with a long groove, and before the bolt is locked, the moving block 11 can move relative to the bolt by means of the long groove, so that the position of the moving block 11 can be adjusted in a small range. The bolt can pass through the long groove and is connected with the screw hole on the transverse plate 12 to lock and fix the moving block 11 and the transverse plate 12.

Further, the supporting frame 14 is divided into a high-low supporting frame 142 and a fixed supporting frame 141; the high-low support frame 142 is detachably mounted on different positions of the base 15 and is correspondingly arranged below the cylinder 2; the fixed supporting frames 141 are fixedly installed at both ends of the base 15. The fixed support frames 141 are fixed at two ends of the base 15 and used for fixedly supporting the support column 13. The high-low support frame 142 is arranged between the fixed support frames 141 at the two ends and used for supporting a workpiece, the position of the workpiece corresponds to that of the cylinder 2, and the two support frames mutually compress a clamp between the two support frames. In order to clamp workpieces with different sizes and shapes, the high and low supporting frames 142 can also be installed on the base 15 in an adjustable position. In this embodiment, the high-low support frame 142 is provided with a plurality of screw holes, the base 15 is correspondingly provided with a plurality of strip grooves, and the bolt passes through the screw holes of the high-low support frame 142 and is screwed and fixed in the strip grooves on the base 15. The long grooves on the base 15 can provide any connecting position for the high and low support frames 142, and the high and low support frames 142 can be installed below the corresponding air cylinders 2.

Further, the supporting column 13 is fixedly connected to the fixing support frame 141. The fixing support 141 is used for fixing the support column 13. In this embodiment, the fixed supporting frame 141 is provided with a through hole at a position linked with the supporting column 13, the lower end of the supporting column 13 is an internal thread, and a screw can be used to pass through the through hole and be screwed into the lower end of the supporting column 13, so as to fix the supporting column 13 on the fixed supporting frame 141.

Further, the height support 142 includes an upper connection plate 1421 and a lower connection plate 1422, the upper connection plate 1421 and the lower connection plate 1422 are fastened by bolts, and the upper connection plate 1421 can move up and down by loosening the bolts. In this embodiment, the upper connecting plate 1421 and the lower connecting plate 1422 are both L-shaped plates, vertical surfaces of the two are used for connecting with each other, a horizontal surface of the upper connecting plate 1421 is used for supporting a workpiece, and a horizontal surface of the lower connecting plate 1422 is used for fixing with the base 15. Also as in the above example, the moving block 11 is connected to the horizontal plate 12, a long groove is formed in a vertical surface of the upper connecting plate 1421, a screw hole is formed in a vertical surface of the lower connecting plate 1422, a bolt can pass through the two for fixing, and before fixing, the upper connecting plate 1421 can move relative to the bolt to adjust the position in the vertical direction.

Further, the upper connecting plate 1421 is fixedly provided with a lower pressing block 4, the lower connecting plate 1422 and the base 15 are fastened and connected by bolts, and the lower connecting plate 1422 can move by loosening the bolts. The upper connecting plate 1421 is provided with the lower pressing block 4 corresponding to the upper pressing block 3, and the upper pressing block 3 and the lower pressing block 4 are used for directly contacting and pressing a workpiece. The two are the same in shape and size, so that the stress areas and sizes of the upper surface and the lower surface of the workpiece are consistent, and the workpiece is prevented from deforming under stress. The lower connecting plate 1422 is used for connecting with the base 15, and a screw hole is arranged on the horizontal surface of the lower connecting plate 1422.

Further, the number of the moving blocks 11, the cylinders 2, the high and low support frames 142, the upper pressing blocks 3 and the lower pressing blocks 4 is equal and is at least two, and the positions of the moving blocks, the cylinders 2, the high and low support frames, the upper pressing blocks and the lower pressing blocks are in one-to-one correspondence in the vertical direction. The device is a pressing device part of the invention, and a plurality of groups of devices are arranged to press a plurality of areas of the workpiece. Generally, the quantity is two groups, and the two sides of the workpiece are respectively pressed, so that the workpiece can be well prevented from moving and vibrating.

Further, a stop block 5 and a permanent magnetic chuck 6 are arranged below the base 15. The stopper 5 is used for the screens, restricts the base 15 removes, permanent magnetism sucking disc 6 is used for adsorbing and placing the workstation of base 15 is used for the base 15 location and fixed.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An auxiliary clamping workpiece fixture, comprising:

a frame, the frame comprising: the device comprises a moving block, a transverse plate, a supporting frame, a supporting column and a base; the moving block is detachably arranged on the transverse plate; the two ends of the transverse plate are connected with the upper ends of the supporting columns; the number of the support columns is two, and the lower ends of the support columns are fixedly connected with the support frame; the plurality of support frames are arranged on the base and are used for supporting the workpiece;

the cylinder is fixed below the moving block, a piston rod of the cylinder is connected with an upper pressing block, and the cylinder is used for pressing a workpiece;

the support frame is divided into a high-low support frame and a fixed support frame; the high-low support frames are detachably arranged on different positions of the base and are correspondingly arranged below the air cylinder; the fixed support frames are fixedly arranged at the two ends of the base;

the high-low support frame comprises an upper connecting plate and a lower connecting plate, the upper connecting plate and the lower connecting plate are fastened by bolts, and the upper connecting plate can move up and down by loosening the bolts;

the upper connecting plate is fixedly provided with a lower pressing block, the lower connecting plate is tightly connected with the base through bolts, and the lower connecting plate can move by loosening the bolts;

the number of the moving blocks, the number of the air cylinders, the number of the high-low supporting frames, the number of the upper pressing blocks and the number of the lower pressing blocks are equal and at least two, and the moving blocks, the air cylinders, the high-low supporting frames, the upper pressing blocks and the lower pressing blocks are in one-to-one correspondence in the vertical direction.

2. The auxiliary workpiece clamping fixture as claimed in claim 1, wherein the cylinder is provided with a plurality of guide rods fixedly connected with the upper pressing block.

3. The auxiliary clamping workpiece holder as claimed in claim 1, wherein the moving block is mounted at different positions on the cross plate for changing the position of the cylinder, and the moving block and the cross plate are fastened together by bolts.

4. An auxiliary clamping workpiece holder as claimed in claim 1 wherein said support post is fixedly connected to said fixed support frame.

5. An auxiliary clamping workpiece fixture as claimed in claim 1 wherein a stop block and permanent magnet chuck are mounted below said base.