CN218836118U - Prevent four-jaw chuck of work piece deformation - Google Patents
Prevent four-jaw chuck of work piece deformation Download PDFInfo
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- CN218836118U CN218836118U CN202222541052.2U CN202222541052U CN218836118U CN 218836118 U CN218836118 U CN 218836118U CN 202222541052 U CN202222541052 U CN 202222541052U CN 218836118 U CN218836118 U CN 218836118U
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- jaw chuck
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- thick bamboo
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Abstract
The utility model discloses a prevent four-jaw chuck that work piece warp, including the device main part, the right side of device main part is connected with the connecting piece, the right side of connecting piece is connected with the mounting disc, the internal connection of mounting disc has an installation section of thick bamboo, the left side of installation section of thick bamboo inner wall is connected with the mounting bracket, it is connected with driving screw to rotate on the mounting bracket, threaded connection has the movable block on the driving screw. The four-jaw chuck capable of preventing the workpiece from deforming can drive the supporting plate to move by driving the screw rod, the moving block, the supporting rod and the driving motor, so that the supporting plate is tightly attached to the inner wall of the workpiece to be machined, the workpiece is supported, the tubular workpiece is prevented from being deformed and damaged due to excessive extrusion of the fixed jaws, the four-jaw chuck can adapt to workpieces with different pipe diameters, and the four-jaw chuck is high in applicability; the buffer cushion can play a role in buffering when the support plate is contacted with the inside of a workpiece, so that the inner wall of the workpiece is prevented from being abraded by the support plate, and the workpiece can be prevented from being propped up by the support plate from the inside.
Description
Technical Field
The utility model relates to a chuck frock technical field specifically is a prevent four-jaw chuck of work piece deformation.
Background
Chucks are mechanical devices used to clamp workpieces on machine tools. The machine tool accessory clamps and positions a workpiece by utilizing the radial movement of movable clamping jaws uniformly distributed on a chuck body. The chuck is generally composed of a chuck body, a movable jaw and a jaw driving mechanism, wherein the center of the chuck body is provided with a through hole so as to pass through a workpiece or a bar material; the back part is provided with a cylindrical or short conical structure and is connected with the end part of a main shaft of the machine tool directly or through a flange plate. Chucks are commonly used in lathes, cylindrical grinders and internal grinders, and may also be used in conjunction with various indexing devices for milling and drilling machines.
This prior art solution also presents the following problems when in use:
the chuck during operation can drive the jack catch and remove and press from both sides tight fixedly to the lateral wall all around of work piece, and fixed effort source and jack catch are to the pressure of work piece, when carrying out the centre gripping fixedly to some weak work pieces or the work piece that intensity is not high, and the extrusion force of jack catch can lead to the work piece to warp, causes the work piece to damage.
Improvements are needed to address the above issues to meet market demands.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent four-jaw chuck that work piece warp to it can drive the jack catch and remove and press from both sides tightly fixedly to the lateral wall all around of work piece to provide the chuck during operation among the above-mentioned background art, and fixed effort source and jack catch are to the pressure of work piece, when carrying out the centre gripping fixedly to the work piece that certain weak work piece or intensity are not high, and the extrusion force of jack catch can lead to the work piece to warp, causes the problem that the work piece damaged.
In order to achieve the above object, the utility model provides a following technical scheme: a four-jaw chuck for preventing a workpiece from deforming comprises a device body, wherein a connecting piece is connected to the right side of the device body, an installation disc is connected to the right side of the connecting piece, an installation cylinder is connected to the inside of the installation disc, an installation frame is connected to the left side of the inner wall of the installation cylinder, a driving screw is rotatably connected to the installation frame, moving blocks are in threaded connection to the driving screw, the number of the moving blocks is two, supporting rods are rotatably connected to the top and the bottom of each moving block, one end, away from the moving blocks, of each supporting rod is rotatably connected with a supporting plate, and the number of the supporting plates is two;
preferably, the left end of drive screw runs through mounting bracket, installation section of thick bamboo and connecting piece in proper order and extends to the inside of connecting piece, there is driving motor in the left side of installation section of thick bamboo and the inside that is located the connecting piece through the leg joint, driving motor's output is connected with drive screw's left end.
Preferably, the supporting plate is provided with a cushion pad, and the cushion pad is made of rubber.
Preferably, the left side of the device main body is connected with a driving cylinder, and the bottom of the left side of the device main body is connected with a speed reduction motor.
Preferably, a T-shaped driving groove is formed in the mounting disc, a driving piece is connected to the inside of the T-shaped driving groove in a sliding mode, and a fixing clamping jaw is connected to the right side of the driving piece.
Preferably, the number of the T-shaped driving grooves is four, the T-shaped driving grooves are uniformly distributed on the mounting disc at equal intervals, and the fixing clamping jaws are stepped.
Compared with the prior art, the beneficial effects of the utility model are that:
the four-jaw chuck capable of preventing the workpiece from deforming can drive the supporting plate to move by driving the screw rod, the moving block, the supporting rod and the driving motor, so that the supporting plate is tightly attached to the inner wall of the workpiece to be machined, the workpiece is supported, the tubular workpiece is prevented from being deformed and damaged due to excessive extrusion of the fixed jaws, the four-jaw chuck can adapt to workpieces with different pipe diameters, and the four-jaw chuck is high in applicability; can play the effect of buffering when backup pad and work piece inside contact through the blotter, prevent that the backup pad from wearing and tearing the inner wall of work piece, can prevent simultaneously that the backup pad from propping the work piece from inside bad.
Drawings
FIG. 1 is a schematic view of the surface structure of the present invention;
fig. 2 is a schematic view of the internal structure of the mounting plate of the present invention;
fig. 3 is a top view of the inner structure of the mounting plate of the present invention;
fig. 4 is a right side view of the surface structure of the mounting plate of the present invention.
In the figure: 1. a device main body; 2. a connecting member; 3. mounting a disc; 4. mounting the cylinder; 5. a mounting frame; 6. a drive screw; 7. a moving block; 8. a support bar; 9. a support plate; 10. a drive motor; 11. a cushion pad; 12. a driving cylinder; 13. a reduction motor; 14. a T-shaped drive slot; 15. a drive member; 16. and (5) fixing the clamping jaws.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a four-jaw chuck for preventing a workpiece from deforming comprises a device body 1, wherein a connecting piece 2 is connected to the right side of the device body 1, a mounting disc 3 is connected to the right side of the connecting piece 2, a mounting barrel 4 is connected to the inside of the mounting disc 3, a mounting frame 5 is connected to the left side of the inner wall of the mounting barrel 4, a driving screw 6 is rotatably connected to the mounting frame 5, moving blocks 7 are in threaded connection with the driving screw 6, the number of the moving blocks 7 is two, two sides of each moving block 7 are in contact with the mounting frame 5, the mounting frame 5 can limit the moving blocks 7, the moving blocks 7 are prevented from rotating together when the driving screw 6 rotates, the top and the bottom of each moving block 7 are rotatably connected with supporting rods 8, one ends, far away from the moving blocks 7, of the supporting rods 8 are rotatably connected with supporting plates 9, the number of the supporting plates 9 is two, the driving screws 6 can drive the moving blocks 7 to move on the driving screw 6 when rotating, the two moving blocks 7 are close to each other, the supporting plates 9 are jacked up through the supporting rods 8, so that the supporting plates 9 cling to the inner wall of a tubular workpiece, and the supporting plates 9 are prevented from being extruded and deformed by a fixed clamping jaw 16;
the left end of the driving screw 6 sequentially penetrates through the mounting frame 5, the mounting cylinder 4 and the connecting piece 2 and extends into the connecting piece 2, the left side of the mounting cylinder 4 and the inner part of the connecting piece 2 are connected with a driving motor 10 through a support, the output end of the driving motor 10 is connected with the left end of the driving screw 6, the driving motor 10 is a servo motor, and the driving motor 10 can drive the driving screw 6 to rotate;
referring to fig. 2-4, a buffer pad 11 is arranged on the supporting plate 9, the buffer pad 11 is made of rubber, and the buffer pad 11 can play a role of buffering when the supporting plate 9 contacts with the inside of the workpiece, so that the supporting plate 9 is prevented from wearing the inner wall of the workpiece, and the supporting plate 9 is prevented from propping the workpiece from the inside;
referring to fig. 1, a driving cylinder 12 is connected to the left side of a device body 1, a speed reduction motor 13 is connected to the bottom of the left side of the device body 1, and the driving cylinder 12 provides power for the whole device to drive a chuck to move;
referring to fig. 1, a T-shaped driving groove 14 is formed in an installation plate 3, a driving piece 15 is slidably connected inside the T-shaped driving groove 14, a fixed jaw 16 is connected to the right side of the driving piece 15, the section of the driving piece 15 is T-shaped, and the T-shaped driving groove 14 can fix the driving piece 15 and prevent the driving piece 15 from falling off from the inside; the number of T shape drive groove 14 is four, and T shape drive groove 14 is equidistant evenly distributed on mounting disc 3, and fixed jack catch 16 is the stairstepping, and fixed jack catch 16 is driven by driving piece 15 and is removed at the during operation to can press from both sides the tight fixed work piece that waits to carry out processing.
The working principle is as follows: as shown in fig. 1-4, when the four-jaw chuck for preventing workpiece deformation is used, a workpiece to be processed is firstly sleeved on a device, so that the mounting frame 5 extends into the tubular workpiece, the driving motor 10 drives the driving screw 6 to rotate, the driving screw 6 drives the moving block 7 to move on the driving screw 6 when rotating, two sides of the moving block 7 are in contact with the mounting frame 5, the mounting frame 5 can limit the moving block 7, the moving block 7 is prevented from rotating together when the driving screw 6 rotates, the two moving blocks 7 are close to each other, the supporting plate 9 is jacked up by the supporting rod 8, so that the supporting plate 9 is tightly attached to the inner wall of the tubular workpiece, the supporting plate 9 supports the tubular workpiece from the inside of the tubular workpiece, so that the workpiece is prevented from being extruded and deformed by the fixed jaws 16, then the device is started, the driving piece 15 moves in the T-shaped driving groove 14, so as to drive the fixed jaws 16 to move, the four fixed jaws 16 are close to clamp and fix the workpiece, the workpiece is supported by the supporting plate 9 inside the workpiece, so that the workpiece is prevented from being excessively extruded by the fixed jaws 16, which is the four-jaw chuck for preventing workpiece deformation.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A four-jaw chuck for preventing deformation of a workpiece, comprising: device body (1), its characterized in that: the right side of device main part (1) is connected with connecting piece (2), the right side of connecting piece (2) is connected with mounting disc (3), the internal connection of mounting disc (3) has installation section of thick bamboo (4), the left side of installation section of thick bamboo (4) inner wall is connected with mounting bracket (5), it is connected with driving screw (6) to rotate on mounting bracket (5), threaded connection has movable block (7) on driving screw (6), the quantity of movable block (7) is two, the top and the bottom of movable block (7) all rotate and are connected with bracing piece (8), the one end that movable block (7) were kept away from in bracing piece (8) is rotated and is connected with backup pad (9), the quantity of backup pad (9) is two.
2. The four-jaw chuck according to claim 1, wherein: the left end of driving screw (6) runs through mounting bracket (5), installation section of thick bamboo (4) and connecting piece (2) in proper order and extends to the inside of connecting piece (2), there is driving motor (10) in the left side of installation section of thick bamboo (4) and the inside that is located connecting piece (2) through the leg joint, the output of driving motor (10) is connected with the left end of driving screw (6).
3. The four-jaw chuck according to claim 1, wherein: a buffer pad (11) is arranged on the supporting plate (9), and the buffer pad (11) is made of rubber.
4. The four-jaw chuck according to claim 1, wherein: the left side of the device main body (1) is connected with a driving cylinder (12), and the bottom of the left side of the device main body (1) is connected with a speed reducing motor (13).
5. The four-jaw chuck according to claim 1, wherein: t-shaped driving grooves (14) are formed in the mounting disc (3), driving pieces (15) are connected to the inside of the T-shaped driving grooves (14) in a sliding mode, and fixing clamping jaws (16) are connected to the right sides of the driving pieces (15) in a connected mode.
6. The four-jaw chuck according to claim 5, wherein: the number of the T-shaped driving grooves (14) is four, the T-shaped driving grooves (14) are uniformly distributed on the mounting disc (3) at equal intervals, and the fixed clamping jaws (16) are stepped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222541052.2U CN218836118U (en) | 2022-09-26 | 2022-09-26 | Prevent four-jaw chuck of work piece deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222541052.2U CN218836118U (en) | 2022-09-26 | 2022-09-26 | Prevent four-jaw chuck of work piece deformation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218836118U true CN218836118U (en) | 2023-04-11 |
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ID=87307858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222541052.2U Active CN218836118U (en) | 2022-09-26 | 2022-09-26 | Prevent four-jaw chuck of work piece deformation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218836118U (en) |
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2022
- 2022-09-26 CN CN202222541052.2U patent/CN218836118U/en active Active
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