CN218015814U - Two-clamping-jaw chuck for lathe - Google Patents
Two-clamping-jaw chuck for lathe Download PDFInfo
- Publication number
- CN218015814U CN218015814U CN202221648178.3U CN202221648178U CN218015814U CN 218015814 U CN218015814 U CN 218015814U CN 202221648178 U CN202221648178 U CN 202221648178U CN 218015814 U CN218015814 U CN 218015814U
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- China
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- locking ring
- lathe
- jaw chuck
- hole
- telescopic cavity
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Abstract
The utility model discloses a lathe is with two clamping jaw chucks, including body and two jack catchs, the inside of body sets up flexible chamber and bar through-hole, and flexible intracavity sets up the connecting rod, sets up the depression bar in the bar through-hole, and the one end of connecting rod is articulated the other end and the slider is articulated with the depression bar, and the outside of body sets up the locking ring, locking ring and body threaded connection, thereby rotate the locking ring and drive the motion of depression bar and make the jack catch on the slider be close to each other and press from both sides the work piece tightly, the utility model discloses simple structure, the jack catch opens and shuts rapidly, and the work piece adds the fixed effectual that is difficult for droing man-hour.
Description
Technical Field
The utility model relates to the technical field of machining, especially, relate to a lathe is with two clamping jaw chucks.
Background
At present, a jaw driving mechanism of a chuck is a large bevel gear and small bevel gears which are equal in number to movable jaws and fixedly connected with the movable jaws, a plane thread is arranged on the back surface of the large bevel gear, the small bevel gears are meshed with the plane thread of the large bevel gear, a driving device drives the large bevel gear to rotate, the plane thread of the large bevel gear enables the small bevel gear to drive the movable jaws to simultaneously approach or withdraw from the center of a chuck body, and therefore workpiece clamping or loosening is achieved. However, the chuck has a complicated structure, is inconvenient to manufacture, and has an adverse effect on the processing efficiency because the process of clamping or unclamping the workpiece is not rapid.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lathe is with two clamping jaw chucks to the process that the current chuck that provides in solving above-mentioned background art pressed from both sides tight or loosen the work piece is not rapid, has influenced machining efficiency's problem.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a two-clamping-jaw chuck for a lathe comprises a body and two clamping jaws, wherein the body is cylindrical, a sliding groove is formed in the cylindrical surface of one end of the body, a connecting disc is arranged at the other end of the body, two sliding blocks are arranged inside the sliding groove in a symmetrical mode by taking the axis of the body as the center, the two clamping jaws are arranged on the two sliding blocks respectively, a telescopic cavity is formed inside the body and communicated with the sliding groove, a strip-shaped through hole is formed in the side surface of the body, the strip-shaped through hole is arranged in the axial direction of the body and penetrates through the body along the radial direction of the body, a pressing rod is arranged inside the strip-shaped through hole, two connecting rods are arranged inside the telescopic cavity, one ends of the two connecting rods are hinged to the pressing rod, the other ends of the two connecting rods are hinged to the two sliding blocks respectively, a locking ring is arranged on the side surface of the body and is in threaded connection with the body, and two ends of the pressing rod are connected with the locking ring in a sliding mode.
Furthermore, the pressing rod is arranged between the locking ring and the connecting disc, the length of the pressing rod is larger than the diameter of the body, a return spring is arranged inside the telescopic cavity, and the return spring is arranged between the pressing rod and the bottom of the telescopic cavity.
Furthermore, the rotation direction of the locking ring when screwing into the connecting disc is the same as the rotation direction of the lathe when working.
Furthermore, the clamping jaws are connected with the sliding block through bolts, and anti-skid protrusions are arranged on the surfaces, corresponding to the two clamping jaws, of the clamping jaws.
Furthermore, a boosting jack is arranged on the outer ring surface of the locking ring, and a boosting rod is arranged on the boosting jack.
Furthermore, the outer ring surface of the locking ring is provided with anti-slip threads.
The utility model has the advantages that:
the utility model discloses a set up flexible chamber and bar through-hole in the inside of body, flexible intracavity sets up the connecting rod, sets up the depression bar in the bar through-hole, and the one end of connecting rod is articulated with the depression bar other end and the slider, and the outside of body sets up the locking ring, locking ring and body threaded connection, thereby realized rotating the locking ring and drive the jack catch on the depression bar motion messenger slider and be close to each other tightly the work piece clamp, the utility model discloses simple structure, the jack catch opens and shuts rapidly, the same effectual work piece that has prevented to add man-hour that the rotation direction of locking ring during fixed work piece and lathe during operation from droing.
Drawings
Fig. 1 is a schematic structural view of a two-jaw chuck for a lathe according to the present invention.
Fig. 2 is a cross-sectional view of a schematic structural view of a two-jaw chuck for a lathe according to the present invention.
In the figure: the device comprises a body 1, a sliding groove 101, a telescopic cavity 102, a strip-shaped through hole 103, a connecting disc 2, a sliding block 3, a clamping jaw 4, a locking ring 5, a stress application jack 501, a stress application rod 6, a pressure rod 7, a return spring 8 and a connecting rod 9.
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.
Example 1
Referring to fig. 1 and 2, the utility model provides a technical scheme: a two-jaw chuck for a lathe comprises a body 1, one end of the body 1 is provided with a chute 101, the other end of the body 1 is provided with a connecting disc 2, the body 1 is a cylindrical chute 101 and is arranged along the radial direction of the chute, two slide blocks 3 are arranged on the chute 101, the two slide blocks 3 are symmetrically arranged in the chute 101 by taking the axis of the body 1 as the center, two jaws 4 are arranged on the two slide blocks 3, the jaws 4 are connected with the slide blocks 3 through bolts, anti-skid protrusions are arranged on the corresponding surfaces of the two jaws 4, different jaws 4 can be replaced conveniently according to different fixed workpieces when in use, a telescopic cavity 102 is arranged in the body 1, the telescopic cavity 102 is communicated with the chute 101, a strip-shaped through hole 103 is arranged on the side surface of the body 1, the strip-shaped through hole 103 is arranged along the axial direction of the body 1 and penetrates along the radial direction of the body, a return spring 8 and two connecting rods 9 are arranged in the telescopic cavity 102, the inside of the strip-shaped through hole 103 is provided with a pressure lever 7, the length of the pressure lever 7 is greater than the diameter of the body 1, a reset spring 8 is arranged between the pressure lever 7 and the bottom of the telescopic cavity 102, one end of each of two connecting rods 9 is hinged with the pressure lever 7, the other end of each of the two connecting rods is hinged with the two sliders 3, the two sliders 3 are driven to approach each other through the two connecting rods 9 when the pressure lever 7 moves towards the connecting disc 2 along the strip-shaped through hole 103, so that clamping jaws arranged on the sliders 3 clamp a workpiece, the side surface of the body 1 is provided with a locking ring 5, the locking ring 5 is in threaded connection with the body 1, the rotating direction of the screwing-in of the locking ring 5 towards the connecting disc 2 is the same as the rotating direction of the lathe during working, the outer ring surface of the locking ring 5 is provided with anti-slip threads and a stress application jack 501, and the stress application rod 6 is arranged in the stress application jack 501 in a pluggable manner.
When the clamping device is used, the connecting disc 2 is connected with an output shaft of a lathe motor, the locking ring 5 is rotated to move towards the sliding block 3 before a workpiece is installed, the pressure rod 7 is driven by the reset spring 8 to move along with the locking ring 5, the two clamping jaws 4 are opened, the workpiece is placed between the two clamping jaws 4, the locking ring 5 rotates in the reverse direction, the pressure rod 7 is driven by the locking ring 5 to move towards the connecting disc 2 so as to clamp the workpiece, the force applying rod 6 can be inserted into the force applying insertion hole 501 of the locking ring 5 when the locking ring 5 is manually rotated, the two clamping jaws 4 further clamp the workpiece, and in addition, the rotating direction of the screwing-in of the locking ring 5 towards the connecting disc 2 is the same as the rotating direction of the lathe during working, so that the locking ring 5 can be effectively prevented from being loosened during workpiece machining.
Above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a two clamping jaw chucks for lathe, includes body and two jack catchs, its characterized in that: the body is cylindrical, a sliding groove is formed in the cylindrical surface at one end of the body, a connecting disc is arranged at the other end of the body, two sliding blocks are arranged inside the sliding groove, the two sliding blocks are symmetrically arranged by taking the axis of the body as a center, two clamping jaws are arranged on the two sliding blocks respectively, a telescopic cavity is formed inside the body and communicated with the sliding groove, a strip-shaped through hole is formed in the side surface of the body, the strip-shaped through hole is arranged along the axial direction of the body and penetrates through the body along the radial direction of the body, a pressing rod is arranged inside the strip-shaped through hole, two connecting rods are arranged inside the telescopic cavity, one ends of the two connecting rods are hinged to the pressing rod, the other ends of the two connecting rods are hinged to the two sliding blocks respectively, a locking ring is arranged on the side surface of the body and is in threaded connection with the body, and two ends of the pressing rod are in sliding connection with the locking ring.
2. A two-jaw chuck for a lathe according to claim 1, wherein: the compression bar is arranged between the locking ring and the connecting disc, the length of the compression bar is larger than the diameter of the body, a return spring is arranged inside the telescopic cavity, and the return spring is arranged between the compression bar and the bottom of the telescopic cavity.
3. A two-jaw chuck for a lathe according to claim 1 or 2, wherein: the rotation direction of the locking ring when screwing into the connecting disc is the same as the rotation direction of the lathe when working.
4. A two-jaw chuck for lathe use according to claim 3, wherein: the clamping jaws are connected with the sliding block through bolts, and anti-skid protrusions are arranged on the surfaces corresponding to the two clamping jaws.
5. A two-jaw chuck for a lathe according to claim 4, wherein: and a stress application jack is arranged on the outer ring surface of the locking ring, and a stress application rod is arranged on the stress application jack.
6. A two-jaw chuck for a lathe according to claim 5, wherein: and the outer ring surface of the locking ring is provided with anti-slip lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221648178.3U CN218015814U (en) | 2022-06-28 | 2022-06-28 | Two-clamping-jaw chuck for lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221648178.3U CN218015814U (en) | 2022-06-28 | 2022-06-28 | Two-clamping-jaw chuck for lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218015814U true CN218015814U (en) | 2022-12-13 |
Family
ID=84377514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221648178.3U Active CN218015814U (en) | 2022-06-28 | 2022-06-28 | Two-clamping-jaw chuck for lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218015814U (en) |
-
2022
- 2022-06-28 CN CN202221648178.3U patent/CN218015814U/en active Active
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