CN110814827A

CN110814827A - Height-adjustable tool

Info

Publication number: CN110814827A
Application number: CN201911294528.3A
Authority: CN
Inventors: 雷永志; 沈义伦; 毛业海
Original assignee: Deen Seiko (qingshen) Robot Intelligent Manufacturing Co Ltd; Sichuan Cpt Precision Industry Science & Technology Co Ltd
Current assignee: Deen Seiko (qingshen) Robot Intelligent Manufacturing Co Ltd; Sichuan Cpt Precision Industry Science & Technology Co Ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-02-21

Abstract

The invention relates to a height-adjustable tool, which comprises a clamp (2) and a workbench (1), wherein a middle plate and a bottom plate of the clamp (2) are connected with a vertical guide rail (11) through a second sliding block (12), at least one first guide rod (14) is arranged on the bottom plate, a first guide hole is formed in the corresponding position of the middle plate, the first guide rod (14) penetrates through the first guide hole, a spring (17) is arranged on the first guide rod (14), one end of the spring (17) is fixed at the top end of the first guide rod (14), the other end of the spring abuts against the upper surface of the middle plate, and the upper end surface of a side plate (3) of the workbench (1) comprises an inclined plane and a plane. The fixture (2) can move on the workbench (1), and the fixture (2) automatically adjusts the height in the moving process, so that the fixture cannot be in contact with a broach of a broaching machine, the fixing efficiency of a workpiece is accelerated, and the production efficiency is improved.

Description

Height-adjustable tool

Technical Field

The invention relates to the technical field of clamp tools, in particular to a tool with adjustable height.

Background

The broaching machine is a widely used processing machine tool. However, the broaching tool operates in a linear mode, and the broaching teeth of the broaching tool are in contact with the surface of the workpiece during operation, so that a groove is machined in the workpiece. Therefore, the position of the workpiece is prevented from being deviated due to the contact between the broach and the workpiece in the resetting process, and the machining precision is prevented from being influenced; or damage to the broach and workpiece, resulting in lost production. Therefore, the workpiece fixing tool is moved to the place where the broach needs to be reset, particularly, the inner ring of the annular workpiece is machined, the annular workpiece needs to be sleeved on the broach and then fixed on the fixing tool, the operation of the process is complex and slow, and the production efficiency of the workpiece is limited.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a movable tool, and the tool can automatically adjust the height and avoid collision between a broach and a workpiece.

The purpose of the invention is realized by the following technical scheme: a height-adjustable tool comprises a clamp and a workbench, wherein the clamp comprises a bottom plate and a middle plate, vertical guide rails are arranged on the left side and the right side of the bottom plate, second sliding blocks are arranged on the left side and the right side of the middle plate, the sliding blocks are matched with the vertical guide rails, so that the distance between the middle plate and the bottom plate is adjustable, crossbands are arranged on the front side and the rear side of the middle plate, bearing mounting plates are arranged at two ends of each crossband, one bearing mounting plate is connected with the two crossbands simultaneously, a rolling bearing is arranged on the inner side of each bearing mounting plate, at least two first sliding blocks are arranged on the lower end face of the bottom plate, the workbench comprises a support, a side plate and an upper end panel, the upper end panel is a plane and is provided with a horizontal guide rail corresponding to the first sliding blocks, the first sliding blocks are matched with, the bottom of the inclined plane is connected with the plane, the rolling bearing is abutted against the upper end face of the side plate, at least one first guide rod is arranged on the bottom plate, a first guide hole is formed in the position, corresponding to the middle plate, of the middle plate, the first guide rod penetrates through the first guide hole, a spring is arranged on the first guide rod, one end of the spring is fixed at the top end of the first guide rod, and the other end of the spring is abutted against the upper surface of the middle plate. Under the effect of spring, antifriction bearing essence contacts with the up end of curb plate all the time, consequently at anchor clamps removal in-process, and the height of medium plate changes along with the up end height change of curb plate to the automatically regulated of anchor clamps height has been realized. The height of the arm plane of the inclined plane is high, the plane is the processing height of the workpiece, and when the workpiece moves along with the clamp on the inclined plane, the workpiece cannot collide with the broach.

Preferably, at least two supporting plates are arranged on the upper surface of the middle plate, the two supporting plates are arranged side by side, a positioning plate is arranged above the two supporting plates, and a positioning screw is arranged on one positioning plate.

Preferably, the upper surface of the middle plate is also provided with an air cylinder mounting plate which is fixed on the middle plate through a support plate and a bearing mounting plate, the support plate and the bearing mounting plate have the same height, so that the cylinder mounting plate is conveniently and stably fixed, a top plate is fixed above the cylinder mounting plate through a stud, a gap is reserved between the cylinder mounting plate and the top plate, an air cylinder is arranged between the air cylinder mounting plate and the top plate, a through hole for the telescopic rod of the air cylinder to pass through is arranged on the top plate, the top plate is provided with at least one second guide hole, the axial direction of the second guide hole is vertical, a second guide rod is slidably arranged in the second guide hole, a clamp sliding seat is arranged at the top end of the second guide rod, a telescopic rod of the air cylinder is connected with the bottom of the clamp sliding seat, the lower end of the clamp sliding seat is provided with an upper pressing plate, and the upper pressing plate is located above a central line of the connecting line of the two supporting plates.

Preferably, the opposite surfaces of the two supporting plates are arc surfaces, and the axes of the arc surfaces of the two supporting plates are the same straight line.

Preferably, the second slider is connected with the middle plate through a slider mounting plate.

Preferably, the first sliding block and the second sliding block are both provided with grease nipples.

Preferably, the upper pressing plate is of a T-shaped structure, the upper end of the T-shaped structure is connected with the lower surface of the clamp sliding seat, and a protruding block used for limiting the horizontal movement of the workpiece is arranged at the lower end of the T-shaped structure.

The invention has the following advantages:

compared with the prior art, the annular workpiece is firstly sleeved on the broach and then moved to the fixed tool position for fixing. The tool can be moved, the workpiece is taken away from the broach position, the workpiece which is machined can be conveniently and quickly taken down by a worker, and a new workpiece for substitute machining is fixed. The workpiece is fast to take down and fix, the processing efficiency of the workpiece is increased, the workpiece can be prevented from being injured when being contacted with the broach when being fixed and taken down again by workers, and the workpiece can be prevented from being influenced in the surface smoothness degree when being contacted with the broach in the moving process on the broach.

Drawings

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

FIG. 2 is a front view of the clamp;

FIG. 3 is a right side view of the upper platen;

in the figure: 1-workbench, 2-clamp, 3-side plate, 4-horizontal guide rail, 5-bracket, 6-top plate, 7-cylinder, 8-clamp sliding seat, 9-positioning plate, 10-supporting plate, 11-vertical guide rail, 12-second sliding block, 13-transverse bar, 14-first guide rod, 15-first sliding block, 16-bearing mounting plate, 17-spring and 18-second guide rod.

Detailed Description

The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following.

As shown in fig. 1, a height-adjustable tool comprises a fixture 2 and a workbench 1, wherein the fixture 2 comprises a bottom plate and a middle plate, vertical guide rails 11 are arranged on the left and right sides of the bottom plate, second sliders 12 are arranged on the left and right sides of the middle plate, the sliders are matched with the vertical guide rails 11, so that the distance between the middle plate and the bottom plate is adjustable, crossbands 13 are arranged on the front and rear sides of the middle plate, bearing mounting plates 16 are arranged at both ends of each crossband 13, one bearing mounting plate 16 is connected with two crossbands 13 at the same time, a rolling bearing is arranged on the inner side of each bearing mounting plate 16, at least two first sliders 15 are arranged on the lower end surface of the bottom plate, the workbench 1 comprises a support 5, a side plate 3 and an upper end panel, the upper end panel is a plane and is provided with a horizontal guide rail 4 corresponding, the fixture 2 can slide on the workbench 1, the upper end surface of the side plate 3 comprises an inclined surface and two sections of a plane, the bottom of the inclined surface is connected with the plane, the rolling bearing abuts against the upper end surface of the side plate 3, the bottom plate is provided with at least one first guide rod 14, a first guide hole is formed in the corresponding position of the middle plate, the first guide rod 14 penetrates through the first guide hole, a spring 17 is arranged on the first guide rod 14, one end of the spring 17 is fixed at the top end of the first guide rod 14, and the other end of the spring 17 abuts against the upper surface of the middle plate. Under the action of the spring 17, the rolling bearing is substantially always in contact with the upper end face of the side plate 3, so that the height of the middle plate changes along with the height change of the upper end face of the side plate 3 in the moving process of the clamp 2, and the automatic adjustment of the height of the clamp 2 is realized. The height of the arm plane of the inclined plane is high, the plane is the processing height of the workpiece, and when the workpiece moves along with the clamp 2 on the inclined plane, the workpiece cannot collide with the broach.

The jig 2 is used for fixing a workpiece, and the table 1 is used for moving the jig 2 back and forth between a machining position and a mounting/dismounting position. And the height of the clamp 2 is adjusted so that the clamp 2 does not contact the broach during movement.

Preferably, at least two support plates 10 are arranged on the upper surface of the middle plate, the two support plates 10 are arranged side by side, a positioning plate 9 is arranged above the two support plates 10, and a positioning screw is arranged on one positioning plate 9.

Preferably, an air cylinder 7 mounting plate is further arranged on the upper surface of the middle plate, the air cylinder 7 mounting plate is fixed on the middle plate through a support plate and a bearing mounting plate 16, the support plate and the bearing mounting plate 16 have the same height, so that the air cylinder 7 mounting plate is stably fixed, a top plate 6 is fixed above the air cylinder 7 mounting plate through a stud, a gap is formed between the air cylinder 7 mounting plate and the top plate 6, an air cylinder 7 is arranged between the air cylinder 7 mounting plate and the top plate 6, a through hole for the telescopic rod of the air cylinder 7 to pass through is formed in the top plate 6, at least one second guide hole is formed in the top plate 6, the axial direction of the second guide hole is the vertical direction, a second guide rod 18 is slidably arranged in the second guide hole, a clamp sliding seat 8 is arranged at the top end of the second guide rod 18, the telescopic rod of the, the upper press plate is located above the midline of the connecting line of the two support plates 10.

Preferably, the opposite surfaces of the two support plates 10 are arc surfaces, and the axes of the arc surfaces of the two support plates 10 are the same straight line.

Preferably, the second sliding block 12 is connected with the middle plate through a sliding block mounting plate.

Preferably, the first slider 15 and the second slider 12 are both provided with grease nipples. The abrasion of the sliding block and the guide rail is prevented.

Preferably, the upper pressing plate is of a T-shaped structure, the upper end of the T-shaped structure is connected with the lower surface of the clamp sliding seat 8, and a protruding block used for limiting the horizontal movement of the workpiece is arranged at the lower end of the T-shaped structure.

Wherein the movement of the gripper 2 can be pushed by hand and by a cylinder. The grooves of the first slider 15 and the second slider 12 which contact the guide rail are anti-drop grooves such as dovetail grooves to prevent the jig 2 from dropping off from the table 1.

The length of the broaching machine is increased by the workbench 1, the placing area of the workpiece is increased, and the machined workpiece can be conveniently placed.

The working process of the invention is as follows: it is first necessary to move the jig 2 to a position where it is fixed and detached on the table 1, place the workpiece on the jig 2 and cause the jig 2 to clamp the workpiece. Further, the jig 2 is moved to a processing position on the table 1 to wait for the processing by the broaching machine, and after the processing by the broaching machine is completed, the jig 2 is moved back to a position where it is fixed and detached on the table 1, and the processed workpiece is taken off and processed next time.

Claims

1. The utility model provides a but height-adjusting's frock which characterized in that: comprises a clamp (2) and a workbench (1), wherein the clamp (2) comprises a bottom plate and a middle plate, vertical guide rails (11) are arranged on the left side and the right side of the bottom plate, second sliders (12) are arranged on the left side and the right side of the middle plate, the sliders are matched with the vertical guide rails (11), transverse strips (13) are arranged on the front side and the rear side of the middle plate, bearing mounting plates (16) are arranged at the two ends of each transverse strip (13), one bearing mounting plate (16) is simultaneously connected with the two transverse strips (13), rolling bearings are arranged on the inner sides of the bearing mounting plates (16), at least two first sliders (15) are arranged on the lower end face of the bottom plate, the workbench (1) comprises a support (5), a side plate (3) and an upper end panel, the upper end panel is a plane and is provided with horizontal guide rails (4) corresponding to the first sliders (15), and the first, the upper end face of the side plate (3) comprises an inclined plane and two sections of planes, the rolling bearing is abutted against the upper end face of the side plate (3), at least one first guide rod (14) is arranged on the bottom plate, a first guide hole is formed in the corresponding position of the middle plate, the first guide rod (14) penetrates through the first guide hole, a spring (17) is arranged on the first guide rod (14), one end of the spring (17) is fixed at the top end of the first guide rod (14), and the other end of the spring is abutted against the upper surface of the middle plate.

2. The tool with the adjustable height of claim 1, wherein: the middle plate is characterized in that at least two supporting plates (10) are arranged on the upper surface of the middle plate, the two supporting plates (10) are arranged side by side, a positioning plate (9) is arranged above the two supporting plates, and a positioning screw is arranged on one positioning plate (9).

3. The tool with the adjustable height of claim 2, wherein: still be provided with cylinder (7) mounting panel on the medium plate upper surface, cylinder (7) mounting panel top is fixed with roof (6) through the double-screw bolt, be provided with cylinder (7) between cylinder (7) mounting panel and roof (6), be provided with the through-hole that is used for cylinder (7) telescopic link to pass on roof (6), be provided with at least one second guiding hole on roof (6), the axial direction of second guiding hole is vertical direction, be provided with second guide arm (18) in the second guiding hole slidable, second guide arm (18) top is provided with anchor clamps slide (8), and the telescopic link of cylinder (7) is connected with the bottom of anchor clamps slide (8), anchor clamps slide (8) lower extreme is provided with the top board, the top board is located the top of the central line of two backup pad (10) connecting wires.

4. The tool with the adjustable height of claim 2, wherein: the opposite surfaces of the two supporting plates (10) are arc-shaped surfaces, and the axes of the arc-shaped surfaces of the two supporting plates (10) are the same straight line.

5. The tool with the adjustable height of claim 1, wherein: the second sliding block (12) is connected with the middle plate through a sliding block mounting plate.

6. The tool with the adjustable height of claim 1, wherein: and the first sliding block (15) and the second sliding block (12) are both provided with grease nipples.

7. The tool with the adjustable height of claim 3, wherein: the upper pressing plate is of a T-shaped structure, the upper end of the T-shaped structure is connected with the lower surface of the clamp sliding seat (8), and a protruding block used for limiting the horizontal movement of a workpiece is arranged at the lower end of the T-shaped structure.