CN213945643U - Clamp for clamping and fixing square workpiece - Google Patents
Clamp for clamping and fixing square workpiece Download PDFInfo
- Publication number
- CN213945643U CN213945643U CN202022240169.8U CN202022240169U CN213945643U CN 213945643 U CN213945643 U CN 213945643U CN 202022240169 U CN202022240169 U CN 202022240169U CN 213945643 U CN213945643 U CN 213945643U
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- China
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- wedge
- frame
- shaped plate
- knock pin
- mounting bracket
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Abstract
The utility model relates to a machine tooling technical field especially relates to a press from both sides anchor clamps of tight fixed square frame shape work piece, it includes four support columns, top frame and top tight mechanism, the top frame is the square frame shape structure of compriseing four frames, the frame cross section is that stair structure and outside are higher than the inboard, the knock pin hole of stepping down has all been seted up in the outside of every frame, top tight mechanism is including the mounting bracket of adorning in the top frame outside admittedly, the knock pin, first wedge, second wedge and elevating gear, be equipped with the spacing groove in the mounting bracket, the spacing inslot is equipped with the spring admittedly, the knock pin passes spacing groove and knock pin hole of stepping down, and be equipped with spacing guide ring on the knock pin admittedly, first wedge is located the mounting bracket outside and is supported by elevating gear and goes up and down, the second wedge is installed in the outer tip of knock pin through the round pin axle, first wedge upper portion and second wedge lower part are equipped with the wedge of mutually supporting. The device provided by the utility model, simple structure, convenient operation laborsaving, and prevent that workpiece surface from being warp by the centre gripping.
Description
Technical Field
The utility model relates to a machine tooling technical field especially relates to a press from both sides anchor clamps of tight fixed square frame shape work piece.
Background
When square frame-shaped workpieces are machined, the square frame-shaped workpieces need to be clamped for operation, but the traditional clamp is complex in structure, inconvenient to operate and high in clamping force, and the surfaces of the workpieces are easy to clamp and deform.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a simple structure is provided, convenient operation is laborsaving, and prevents that workpiece surface from being pressed from both sides the anchor clamps of tight fixed square frame shape work piece by one kind of centre gripping deformation.
The utility model discloses a realize through following technical scheme:
a clamp for clamping and fixing a square workpiece comprises four support columns, a top frame fixedly arranged at the tops of the support columns and a jacking mechanism, the top frame is a square frame structure consisting of four side frames, the cross section of each side frame is of a step structure, the outer side of each side frame is higher than the inner side of each side frame, the outer side of each side frame is provided with a top pin abdicating hole, the jacking mechanism comprises a mounting frame fixedly arranged on the outer side of the jacking frame, a jacking pin, a first wedge-shaped plate, a second wedge-shaped plate and a lifting device, a limiting groove is arranged in the mounting rack, a spring is fixedly arranged in the limiting groove, the ejector pin passes through the limiting groove and the ejector pin abdicating hole, and the top pin is fixedly provided with a limit guide ring, the first wedge-shaped plate is positioned at the outer side of the mounting frame and is supported and lifted by the lifting device, the second wedge-shaped plate is installed at the outer end part of the ejector pin through a pin shaft, and wedge-shaped surfaces matched with each other are arranged on the upper part of the first wedge-shaped plate and the lower part of the second wedge-shaped plate.
Further, elevating gear includes the elevating screw mounting bracket of fixed mounting on the frame and installs the elevating screw on the elevating screw mounting bracket, and fixed mounting has the guide rail on the elevating screw frame mounting panel, and the cover is equipped with the nut cover on the elevating screw, first wedge fixed mounting is sheathe in at the nut and is connected with the guide rail through the slider.
Furthermore, the end part of the lifting screw is provided with a lifting screw handle.
Beneficial effects of the utility model
The utility model provides a press from both sides anchor clamps of tight fixed square frame shape work piece, has following characteristics:
1. the structure is simple, and the clamping is convenient and labor-saving;
2. the surface of the workpiece is prevented from being damaged;
drawings
Fig. 1 is a schematic view of the structure of the present invention;
in the figure, 1, a support column, 2, a top frame, 3 steps, 4 top pin abdicating holes, 5 limiting grooves, 6, a mounting frame, 7, a second wedge-shaped plate, 8 top pins, 9 first wedge-shaped plates, 10 nut sleeves, 11 limiting guide rings, 12 springs, 13 guide rails, 14 lifting screw rods, 15, a lifting screw rod mounting frame and 16 lifting screw rod handles are arranged.
Detailed Description
A clamp for clamping and fixing a square workpiece comprises four support columns 1, a top frame 2 fixedly arranged at the tops of the support columns and a jacking mechanism, the top frame is a square frame structure consisting of four side frames, the cross section of each side frame is of a step structure, the outer side of each side frame is higher than the inner side of each side frame, the outer side of each side frame is provided with a top pin abdicating hole 4, the jacking mechanism comprises a mounting frame 6 fixedly arranged on the outer side of the jacking frame, a jacking pin 8, a first wedge-shaped plate 9, a second wedge-shaped plate 7 and a lifting device, a limiting groove 5 is arranged in the mounting rack, a spring 12 is fixedly arranged in the limiting groove, the ejector pin passes through the limiting groove and the ejector pin abdicating hole, and the top pin is fixedly provided with a limit guide ring 11, the first wedge-shaped plate is positioned at the outer side of the mounting frame and is supported and lifted by a lifting device, the second wedge-shaped plate is installed at the outer end part of the ejector pin through a pin shaft, and wedge-shaped surfaces matched with each other are arranged on the upper part of the first wedge-shaped plate and the lower part of the second wedge-shaped plate.
Further, elevating gear includes elevating screw mounting bracket 15 of fixed mounting on the frame and installs elevating screw 14 on the elevating screw mounting bracket, and fixed mounting has guide rail 13 on the elevating screw mounting bracket, and the cover is equipped with nut cover 10 on the elevating screw, first wedge board fixed mounting is sheathe in at the nut and is connected with the guide rail through the slider, and elevating screw is rotatory, can drive first wedge board up-and-down motion, and moves reliable and stable.
Furthermore, the lifting screw handle 16 is installed at the end part of the lifting screw, so that the operation is more convenient and reliable.
The utility model discloses a press from both sides anchor clamps of tight fixed square frame shape work piece adds man-hour, will treat the square frame shape work piece of processing and place on the inboard step 3 of top frame, and elevating gear supports first wedge, and the wedge of second wedge is pasted tightly with the wedge cooperation of first wedge, and makes the knock pin pass the spacing groove and the knock pin hole of stepping down and support the work piece outer wall, follows the four sides and grasps the work piece, and the spring is in by compression state this moment. After the processing is finished, the lifting device drives the first wedge-shaped plate to descend, the ejector pin can push the ejector pin to retreat under the restoring force action of the spring, the workpiece is loosened and taken down, the overall structure is simple, the operation is convenient and labor-saving, and the four surfaces of the workpiece are abutted from the outer side surface, so that the workpiece is prevented from moving, and the surface of the workpiece can not be damaged.
To sum up, the utility model discloses a press from both sides anchor clamps of tight fixed square frame shape work piece of protection, simple structure, convenient operation laborsaving, and prevent that workpiece surface from being out of shape by the centre gripping.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A clamp for clamping and fixing a square workpiece is characterized by comprising four supporting columns, a top frame fixedly arranged at the tops of the supporting columns and a jacking mechanism, the top frame is a square frame structure consisting of four side frames, the cross section of each side frame is of a step structure, the outer side of each side frame is higher than the inner side of each side frame, the outer side of each side frame is provided with a top pin abdicating hole, the jacking mechanism comprises a mounting frame fixedly arranged on the outer side of the jacking frame, a jacking pin, a first wedge-shaped plate, a second wedge-shaped plate and a lifting device, a limiting groove is arranged in the mounting rack, a spring is fixedly arranged in the limiting groove, the ejector pin passes through the limiting groove and the ejector pin abdicating hole, and the top pin is fixedly provided with a limit guide ring, the first wedge-shaped plate is positioned at the outer side of the mounting frame and is supported and lifted by the lifting device, the second wedge-shaped plate is installed at the outer end part of the ejector pin through a pin shaft, and wedge-shaped surfaces matched with each other are arranged on the upper part of the first wedge-shaped plate and the lower part of the second wedge-shaped plate.
2. The clamp of claim 1, wherein the lifting device comprises a lifting screw mounting bracket fixedly mounted on the frame and a lifting screw mounted on the lifting screw mounting bracket, the lifting screw mounting bracket is fixedly mounted with a guide rail, the lifting screw is sleeved with a nut sleeve, and the first wedge plate is fixedly mounted on the nut sleeve and connected with the guide rail through a slider.
3. The apparatus of claim 2, wherein the elevator screw has an elevator screw handle mounted to an end thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022240169.8U CN213945643U (en) | 2020-10-10 | 2020-10-10 | Clamp for clamping and fixing square workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022240169.8U CN213945643U (en) | 2020-10-10 | 2020-10-10 | Clamp for clamping and fixing square workpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213945643U true CN213945643U (en) | 2021-08-13 |
Family
ID=77203115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022240169.8U Active CN213945643U (en) | 2020-10-10 | 2020-10-10 | Clamp for clamping and fixing square workpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213945643U (en) |
-
2020
- 2020-10-10 CN CN202022240169.8U patent/CN213945643U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |