CN210789286U - Adjustable three-jaw clamping jaw structure - Google Patents
Adjustable three-jaw clamping jaw structure Download PDFInfo
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- CN210789286U CN210789286U CN201921823083.9U CN201921823083U CN210789286U CN 210789286 U CN210789286 U CN 210789286U CN 201921823083 U CN201921823083 U CN 201921823083U CN 210789286 U CN210789286 U CN 210789286U
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- clamping jaw
- jaw
- screw
- spout
- adjustable
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- 238000010586 diagram Methods 0.000 description 4
- 210000000078 claw Anatomy 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model discloses an adjustable three-jaw clamping jaw structure, which comprises a clamping jaw fixing seat and a clamping jaw, wherein one end of the clamping jaw fixing seat is provided with a chute, and the one end of spout extends to the terminal surface of clamping jaw fixing base, the clamping jaw slip cap is established in the spout, the clamping jaw middle section is equipped with along axial bar hole, a locking screw passes bar hole and locates the mounting hole screw-thread fit of the middle department of spout bottom, locking screw cooperation bar hole is with the adjustable lock of clamping jaw in the spout, at least one fixed orifices is located respectively to the relative mounting hole both sides in spout bottom, the clamping jaw fixing base passes through the fixed orifices and is locked on the three-jaw carousel by the screw, be equipped with first screw hole on the other terminal surface of clamping jaw fixing base, first threaded hole is equipped with first adjusting screw, first adjusting screw passes the terminal surface contact of first screw hole and clamping jaw, and carry out spacing locking at clamping jaw length direction through first adjusting screw. The utility model discloses a three clamping jaw can adjust centre gripping length respectively, and the adjustment is convenient simply fix a position more steadily.
Description
Technical Field
The utility model relates to a processing equipment field especially relates to an adjustable three-jaw clamping jaw structure.
Background
The common CNC lathe is provided with a three-jaw chuck, and the three-jaw chuck is used for clamping a workpiece and is supported on the inner diameter of the workpiece or clamped on the outer diameter of the workpiece along the radius direction of a turntable through three jaws. In the existing piston product processing technology, a ring bank part of a blank is positioned and clamped by three claws, an inner diameter positioning surface of a piston is rotationally processed, and other parts are positioned and processed by the inner diameter positioning surface. However, the clamping jaws of the existing three-jaw mechanism are fixed and not adjustable, and when the center of the outer diameter of a blank deviates, the clamping jaws can only be used for adjustment through repairing, so that the repairing is difficult. And the outer diameters of the blanks of different batches of die numbers can be slightly changed under the influence of the manufacture of the cast blanks, so that the clamping jaws are frequently modified, and the processing efficiency is influenced.
Disclosure of Invention
An object of the utility model is to provide an adjustable three-jaw clamping jaw structure.
The utility model adopts the technical proposal that:
an adjustable three-jaw clamping jaw structure, which comprises a clamping jaw fixing seat and a clamping jaw, wherein one end of the clamping jaw fixing seat is provided with a sliding groove, and the one end of spout extends to the terminal surface of clamping jaw fixing base, the clamping jaw slip cap is established in the spout, the clamping jaw middle section is equipped with along axial bar hole, a locking screw passes bar hole and locates the mounting hole screw-thread fit of the middle department of spout bottom, locking screw cooperation bar hole is with the adjustable lock of clamping jaw in the spout, at least one fixed orifices is located respectively to the relative mounting hole both sides in spout bottom, the clamping jaw fixing base passes through the fixed orifices and is locked on the three-jaw carousel by the screw, be equipped with first screw hole on the other terminal surface of clamping jaw fixing base, first threaded hole is equipped with first adjusting screw, first adjusting screw passes the terminal surface contact of first screw hole and clamping jaw, and carry out spacing locking at clamping jaw length direction through first adjusting screw.
Furthermore, at least one side edge of the clamping jaw fixing seat is provided with a second threaded hole corresponding to the sliding groove, a second adjusting screw is arranged in the second threaded hole, and the clamping jaw is locked transversely through the second adjusting screw.
Further, the axial section of the strip-shaped hole is T-shaped.
Furthermore, two side edges of the top of the sliding groove are provided with inward convex edges, and the convex edges limit the clamping jaws in the vertical direction in the sliding groove.
Further, the cross section of the sliding groove is in a convex shape.
Further, one end of the clamping jaw, which is contacted with the piston, is triangular, and the vertex angle of the triangle is provided with a contact plane.
Further, three clamping jaw structures are evenly distributed along the circumferential direction of the three-jaw turntable.
Furthermore, the bottom surface of the clamping jaw fixing seat is provided with an anti-skidding tooth surface.
The utility model adopts the above technical scheme, three clamping jaw can adjust centre gripping length respectively, and the screw fixation after the adjustment makes it adjust convenient simple and easy, and the location is more steady. The three claws can be matched with blanks of different model numbers in batches, and the processing precision and the production efficiency are improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments;
fig. 1 is a schematic sectional view of a clamping jaw fixing seat of the present invention;
fig. 2 is a left side view structural schematic diagram of the clamping jaw fixing seat of the utility model;
fig. 3 is a schematic top view of the clamping jaw fixing base of the present invention;
fig. 4 is a schematic cross-sectional view of the clamping jaw of the present invention;
fig. 5 is a left side view structural schematic diagram of the clamping jaw of the present invention;
fig. 6 is a schematic top view of the clamping jaw of the present invention;
fig. 7 is an assembly cross-sectional view of the jaw structure of the present invention;
fig. 8 is an assembly left view structural schematic diagram of the clamping jaw structure of the present invention;
fig. 9 is an assembly top view schematic diagram of the clamping jaw structure of the present invention.
Detailed Description
As shown in one of figures 1-9, the utility model relates to an adjustable three-jaw clamping jaw structure, the clamping jaw structure comprises a clamping jaw fixing seat 1 and a clamping jaw 3, one end of the clamping jaw fixing seat 1 is provided with a chute 2, one end of the chute 2 extends to the end surface of the clamping jaw fixing seat 1, the clamping jaw 3 is slidably sleeved in the chute 2, the middle section of the clamping jaw 3 is provided with an axial strip-shaped hole 4, a locking screw 5 passes through the strip-shaped hole 4 to be in threaded fit with a mounting hole 6 arranged at the middle of the bottom of the chute 2, the locking screw 5 is matched with the strip-shaped hole 4 to adjustably lock the clamping jaw 3 in the chute 2, two sides of the bottom of the chute 2 opposite to the mounting hole 6 are respectively provided with at least one fixing hole 7, the clamping jaw fixing seat 1 is locked on a three-jaw turntable by a screw through the fixing hole 7, the first adjusting screw 9 penetrates through the first threaded hole 8 to be in contact with the end face of the clamping jaw 3, and the first adjusting screw 9 is used for limiting and locking in the length direction of the clamping jaw 3.
Furthermore, at least one side edge of the clamping jaw fixing seat 1 is provided with a second threaded hole 11 corresponding to the sliding groove 2, a second adjusting screw (not shown in the figure) is arranged in the second threaded hole 11, and the clamping jaw 3 is locked along the transverse direction through the second adjusting screw.
Further, the axial section of the strip-shaped hole 4 is in a T shape.
Furthermore, the two sides of the top of the chute 2 are provided with inward flanges 16, and the flanges 16 limit the position of the clamping jaw 3 in the chute 2 in the vertical direction.
Further, the cross section of the sliding groove 2 is in a convex shape.
Further, the end of the clamping jaw 3 contacted with the piston is triangular, and the vertex of the triangle is provided with a contact plane.
Further, three clamping jaw 3 structures are evenly distributed along the circumferential direction of the three-jaw turntable.
Furthermore, the bottom surface of the clamping jaw fixing seat 1 is provided with an anti-skid tooth surface.
The utility model adopts the above technical scheme, clamping jaw fixing base 1 through fixed orifices demountable installation on the three-jaw carousel, clamping jaw 3 is packed into clamping jaw fixing base 1 and is gone up in spout 2 and screw in lock attaches the screw and carry out tentatively spacing, because clamping jaw 3 can be the china east of spout relatively, the stroke of having adjusted clamping jaw 3 makes the clamping jaw promptly behind the piston, further locks the lock and attaches the screw and further locks first adjusting screw of locking and second screw and lock the length direction and the transverse distribution of clamping jaw admittedly. The utility model discloses a three clamping jaw 3 can adjust centre gripping length respectively, and the screw fixation after the adjustment makes it adjust convenient simple and easy, and the location is more steady. The three claws can be matched with blanks of different model numbers in batches, and the processing precision and the production efficiency are improved.
Claims (8)
1. An adjustable three-jaw clamping jaw structure, characterized in that: clamping jaw structure includes clamping jaw fixing base and clamping jaw, the one end of clamping jaw fixing base is equipped with the spout, and the one end of spout extends to the terminal surface of clamping jaw fixing base, clamping jaw sliding sleeve establishes in the spout, the clamping jaw middle section is equipped with along axial bar hole, a locking screw passes the bar hole and locates the mounting hole screw-thread fit of the middle department of spout bottom, locking screw cooperation bar hole attaches the adjustable lock of clamping jaw in the spout, at least one fixed orifices is located respectively to the relative mounting hole both sides in spout bottom, the clamping jaw fixing base passes through the fixed orifices and is attached to on the three-jaw carousel by the screw lock, be equipped with first screw hole on the other terminal surface of clamping jaw fixing base, first threaded hole is equipped with first adjusting screw, first adjusting screw passes the end face contact of first screw hole and clamping jaw, and carry out spacing locking at.
2. An adjustable three-jaw gripper structure according to claim 1, wherein: at least one side edge of the clamping jaw fixing seat is provided with a second threaded hole corresponding to the sliding groove, a second adjusting screw is arranged in the second threaded hole, and the clamping jaw is locked along the transverse direction through the second adjusting screw.
3. An adjustable three-jaw gripper structure according to claim 1, wherein: the shaft section of the strip-shaped hole is T-shaped.
4. An adjustable three-jaw gripper structure according to claim 1, wherein: the top both sides limit of spout is equipped with inward chimb, and this chimb is spacing the clamping jaw in the vertical direction in the spout.
5. An adjustable three-jaw gripper structure according to claim 1, wherein: the cross section of the sliding groove is in a convex shape.
6. An adjustable three-jaw gripper structure according to claim 1, wherein: one end of the clamping jaw, which is contacted with the piston, is triangular, and the vertex angle of the triangle is provided with a contact plane.
7. An adjustable three-jaw gripper structure according to claim 1, wherein: the three clamping jaw structures are uniformly distributed along the circumferential direction of the three-jaw turntable.
8. An adjustable three-jaw gripper structure according to claim 1, wherein: the bottom surface of the clamping jaw fixing seat is provided with an anti-skidding tooth surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921823083.9U CN210789286U (en) | 2019-10-28 | 2019-10-28 | Adjustable three-jaw clamping jaw structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921823083.9U CN210789286U (en) | 2019-10-28 | 2019-10-28 | Adjustable three-jaw clamping jaw structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210789286U true CN210789286U (en) | 2020-06-19 |
Family
ID=71238924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921823083.9U Active CN210789286U (en) | 2019-10-28 | 2019-10-28 | Adjustable three-jaw clamping jaw structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210789286U (en) |
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2019
- 2019-10-28 CN CN201921823083.9U patent/CN210789286U/en active Active
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