CN219616789U - Large workpiece clamping device - Google Patents
Large workpiece clamping device Download PDFInfo
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- CN219616789U CN219616789U CN202320536818.XU CN202320536818U CN219616789U CN 219616789 U CN219616789 U CN 219616789U CN 202320536818 U CN202320536818 U CN 202320536818U CN 219616789 U CN219616789 U CN 219616789U
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- clamping
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- clamping body
- fixed
- movable clamping
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Abstract
A large workpiece clamping device. The clamping device mainly solves the problems that when the existing aluminum alloy workpiece is clamped, the workpiece is easy to loosen due to too small clamping force, and the workpiece is easy to damage due to too large clamping force. The method is characterized in that: one side of the movable clamping body (5) is connected with a workpiece clamping oil cylinder (6), the bottom of the movable clamping body (5) is connected with a movable clamping body jacking oil cylinder (4), the movable clamping body jacking oil cylinder (4) is fixed on a movable clamping body bracket (3), and the movable clamping body bracket (3) is fixed on a horizontal moving device; the bottom of the fixed clamping body (10) is connected with a fixed clamping body jacking cylinder (11). The large workpiece clamping device has enough clamping force to clamp the workpiece, cannot damage the workpiece, and can meet the requirements of clamping the workpieces with different lengths.
Description
Technical Field
The utility model relates to the technical field of oilfield oil extraction engineering, in particular to a large workpiece clamping device.
Background
With the development of high-speed development demands in the fields of aerospace, automobiles, rail transit and the like, the appearance of an aluminum alloy cast ingot reaches the length 9500x and the width 2970x and the height 670mm, the side required by the hard aluminum alloy cast ingot is arc-shaped, a simple special automatic centering clamp cannot realize the effective clamping function of a workpiece, the clamping force is too small to meet the milling force requirement, the workpiece is loosened to easily cause accidents, the processing quality of the workpiece and the service life of a cutter are seriously influenced, if the centering clamping force is simply increased, the clamp can crush the surface of the workpiece, and the excessive clamping force acts on the arc-shaped surface of the side of the cast ingot to easily cause the phenomenon that the workpiece is upwards collapsed, so that large processing safety accidents are caused. This makes it imperative to use a suitable clamping means to complete the clamping of large ingots.
Disclosure of Invention
In order to solve the problems that when the existing aluminum alloy workpiece is clamped, the workpiece is easy to loosen due to too small clamping force, and the workpiece is easy to damage due to too large clamping force, the utility model provides the large workpiece clamping device which has enough clamping force to clamp the workpiece, cannot damage the workpiece, and can meet the requirements of clamping the workpieces with different lengths.
The technical scheme of the utility model is as follows: the large workpiece clamping device comprises a fixed clamping body and a movable clamping body, wherein one side of the movable clamping body is connected with a workpiece clamping oil cylinder, the bottom of the movable clamping body is connected with a movable clamping body jacking oil cylinder, the movable clamping body jacking oil cylinder is fixed on a movable clamping body bracket, and the movable clamping body bracket is fixed on a horizontal moving device; the bottom of the fixed clamping body is connected with a fixed clamping body jacking cylinder.
The end part of the movable clamping body is connected with a horizontal movable clamping jaw, and when in clamping, the horizontal movable clamping jaw is in contact with a workpiece.
The number of the workpiece clamping oil cylinders is larger than 1, and a plurality of workpiece clamping oil cylinders are arranged on the movable clamping body support along the direction perpendicular to the screw rod.
The horizontal moving device comprises a motor, an output shaft of the motor is connected with a screw rod, the screw rod is externally connected with a nut, and the nut is fixed on a movable clamping body bracket.
And two ends of the screw rod are supported by the support.
The device also comprises a rail, wherein the rail is positioned between the fixed clamping body and the movable clamping body, and the workpiece moves left and right on the rail.
The fixed clamping body jacking cylinder is fixed on the fixed clamping body bracket.
The utility model has the following beneficial effects: by adopting the scheme, the clamping device fills the technical blank of the numerical control gantry ingot combined milling machine, solves the problem of insufficient reliability of the original clamping device, and ensures the transmission of workpieces by moving the clamping body up and down; the clamping force is large enough to reliably clamp the workpiece without damaging the workpiece, so that the processing reliability is ensured; the front and back movement of the movable clamping body bracket can meet the requirements of clamping workpieces with different lengths.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
In the drawing, a motor, a lead screw, a 3-movable clamping body support, a 4-movable clamping body jacking cylinder, a 5-movable clamping body, a 6-workpiece clamping cylinder, a 7-horizontal movable clamping jaw, an 8-workpiece, a 9-conveying track, a 10-fixed clamping body, a 11-fixed clamping body jacking cylinder and a 12-fixed clamping body support are arranged.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings:
the large workpiece clamping device comprises a fixed clamping body 10 and a movable clamping body 5, wherein the bottom of the fixed clamping body 10 is connected with a fixed clamping body jacking cylinder 11, the fixed clamping body jacking cylinder 11 is fixed on a fixed clamping body bracket 12, and the fixed clamping body jacking cylinder 11 can be lifted or lowered to drive the fixed clamping body 10 to move up and down, so that workpieces with different height positions are adapted.
One side of the movable clamping body 5 is connected with a workpiece clamping cylinder 6, the clamping cylinder 6 is in a horizontal direction, and the movable clamping body 5 is driven to move rightwards after the clamping cylinder 6 stretches out, so that the workpiece is clamped by being matched with the fixed clamping body 10. The other end of the movable clamping body 5 is connected with a horizontal movable clamping jaw 7, and when clamping, the horizontal movable clamping jaw 7 moves along with the movement of the movable clamping body 5, and the end part of the horizontal movable clamping jaw 7 is contacted with a workpiece. The bottom of the movable clamping body 5 is connected with a movable clamping body jacking oil cylinder 4, and the movable clamping body jacking oil cylinder 4 can be lifted or lowered to drive the movable clamping body 5 to move up and down, so that the movable clamping body is suitable for workpieces at different height positions. The movable clamping body jacking cylinder 4 is fixed on the movable clamping body support 3, the movable clamping body support 3 is fixed on a horizontal moving device, and the horizontal moving device can move left and right along the horizontal direction, so that the movable clamping body 5 and the clamping cylinder 6 are driven to move left and right together through the movable clamping body support 3, and the distance between the movable clamping body 5 and the fixed clamping body 10 is adjusted to adapt to workpieces with different lengths. The number of the workpiece clamping oil cylinders 6 can be larger than 1, namely two or three workpiece clamping oil cylinders 6 can be adopted, a plurality of workpiece clamping oil cylinders 6 are arranged on the movable clamping body support 3 along the direction vertical to the screw rod 2, all the workpiece clamping oil cylinders 6 are driven to move together when the movable clamping body support 3 moves left and right, the workpiece clamping oil cylinders 6 are started simultaneously when clamping workpieces, and enough clamping force can reliably clamp the workpieces, so that the processing reliability is ensured.
The horizontal moving device comprises a motor 1, an output shaft of the motor 1 is connected with a screw rod 2, two ends of the screw rod 1 are supported by a bracket, nuts are connected to the outside of the screw rod 2, and the nuts are fixed on a movable clamping body bracket 3. After the motor 1 is started, the screw rod 2 is driven to rotate, and the screw rod 2 drives the nut to move left and right, so that the movable clamping body bracket 3 is driven to move left and right.
The large workpiece clamping device further comprises a track 9, the track 9 is used for conveying the workpiece 8, a part of the track 9 is located between the fixed clamping body 10 and the movable clamping body 5, when the workpiece 8 is conveyed, the fixed clamping body jacking cylinder 11 is retracted to drive the fixed clamping body 10 to move downwards, the position of the workpiece 8 is yielded, and the workpiece 8 can be conveyed between the fixed clamping body 10 and the movable clamping body 5 through the track 9 for processing.
During processing, after a workpiece 8 is transmitted to a designated position of a workbench through a track 9, a fixed position clamp body jacking cylinder 11 on a fixed position clamp body bracket 12 drives a fixed clamp body 10 to extend out of the track to reach a fixed clamping station, a movable clamp body jacking cylinder 4 drives a movable clamp body 5 to extend out of the track to reach a clamping height, a motor 1 is started to drive a screw rod 2 to rotate, a movable clamp body bracket 3 is driven to move towards the workpiece direction, and the motor 1 stops band-type brake locking when reaching a position 2-3mm away from the workpiece through inductive switch control, and a workpiece clamping cylinder 6 drives a horizontal movable clamping jaw 7 to carry out pressurizing locking on the workpiece. The clamping force is controlled by the pressure of a hydraulic system, the size is adjustable, the workpiece can be reliably clamped by the clamping force with enough large clamping force, the workpiece cannot be damaged, the processing reliability is ensured, and the requirement of clamping workpieces with different lengths can be met by moving the clamping body bracket 3 back and forth. The workpiece clamping moves along with the workbench to carry out high-power milling processing, and the workpiece end clamping mechanism can completely meet the requirement of powerful cutting of a machine tool.
Claims (7)
1. The utility model provides a large-scale work piece clamping device, includes fixed clamp body (10) and removes clamp body (5), its characterized in that: one side of the movable clamping body (5) is connected with a workpiece clamping oil cylinder (6), the bottom of the movable clamping body (5) is connected with a movable clamping body jacking oil cylinder (4), the movable clamping body jacking oil cylinder (4) is fixed on a movable clamping body bracket (3), and the movable clamping body bracket (3) is fixed on a horizontal moving device; the bottom of the fixed clamping body (10) is connected with a fixed clamping body jacking cylinder (11).
2. The large workpiece clamping device of claim 1, wherein: the end part of the movable clamping body (5) is connected with a horizontal movable clamping jaw (7), and when in clamping, the horizontal movable clamping jaw (7) is contacted with a workpiece.
3. The large workpiece clamping device of claim 1, wherein: the number of the workpiece clamping oil cylinders (6) is larger than 1, and a plurality of the workpiece clamping oil cylinders (6) are arranged on the movable clamping body bracket (3) along the direction perpendicular to the screw rod (2).
4. The large workpiece clamping device of claim 1, wherein: the horizontal moving device comprises a motor (1), an output shaft of the motor (1) is connected with a screw rod (2), the screw rod (2) is externally connected with a nut, and the nut is fixed on a movable clamping body bracket (3).
5. The large workpiece clamping device of claim 4, wherein: and two ends of the screw rod (2) are supported by a bracket.
6. The large workpiece clamping device of claim 1, wherein: the device also comprises a rail (9), and the workpiece (8) moves left and right on the rail (9).
7. The large workpiece clamping device of claim 1, wherein: the fixed clamping body jacking cylinder (11) is fixed on the fixed clamping body bracket (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320536818.XU CN219616789U (en) | 2023-03-17 | 2023-03-17 | Large workpiece clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320536818.XU CN219616789U (en) | 2023-03-17 | 2023-03-17 | Large workpiece clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219616789U true CN219616789U (en) | 2023-09-01 |
Family
ID=87772924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320536818.XU Active CN219616789U (en) | 2023-03-17 | 2023-03-17 | Large workpiece clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219616789U (en) |
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2023
- 2023-03-17 CN CN202320536818.XU patent/CN219616789U/en active Active
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