CN214443173U - Special fixture for turning and drilling of bent shaft with holes in side surface - Google Patents
Special fixture for turning and drilling of bent shaft with holes in side surface Download PDFInfo
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- CN214443173U CN214443173U CN202120545340.8U CN202120545340U CN214443173U CN 214443173 U CN214443173 U CN 214443173U CN 202120545340 U CN202120545340 U CN 202120545340U CN 214443173 U CN214443173 U CN 214443173U
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Abstract
The utility model is suitable for the technical field of mechanical equipment, and provides a special fixture for turning and drilling a bent shaft with a hole on the side surface, which comprises a main shaft box and a chuck body arranged on the main shaft box; the chuck body is relatively provided with a pair of jaws capable of clamping a workpiece, and the jaws can move relatively and then are matched with each other to clamp the outer diameter of the workpiece; the chuck body is also provided with a clamping hydraulic cylinder with a clamping part, and an output shaft of the clamping hydraulic cylinder can drive the clamping part to move so as to clamp the outer edge of the side part of the workpiece; the jack catch carries out diameter direction's centre gripping to the work piece, realizes the lathe work of common lathe, and the centre gripping pneumatic cylinder carries out the centre gripping to the side position outward flange that needs the processing work piece, for side position processing provides clamping-force reduction manufacturing procedure, reduces the processing cost, reduces accumulative total machining error, improves the machining precision, reduces process time, clamping time and promotes machining efficiency.
Description
Technical Field
The utility model belongs to a mechanical equipment technical field especially relates to a foraminiferous cambered axle turning in side and boring processing's special fixture.
Background
When a workpiece needs to be turned and a side hole is machined, a common lathe cannot be used for machining at one time, usually, a process design of turning and drilling are adopted, or a corresponding special machine is designed for machining, or machining is carried out by using multi-axis machining equipment such as a machining center, and the like, and the production cost is increased by the solutions.
SUMMERY OF THE UTILITY MODEL
The utility model provides a foraminiferous cambered axle turning in side and boring processing's special fixture aims at solving the problem of mentioning among the background art.
The utility model is realized in such a way that the special fixture for turning and drilling the bent axle with the hole on the side surface comprises a main spindle box and a chuck body arranged on the main spindle box; the chuck body is relatively provided with a pair of jaws capable of clamping a workpiece, and the jaws can move relatively and then are matched with each other to clamp the outer diameter of the workpiece;
the chuck body is also provided with a clamping hydraulic cylinder with a clamping part, and an output shaft of the clamping hydraulic cylinder can drive the clamping part to move so as to clamp the outer edge of the side part of the workpiece; the chuck body is further provided with a first driving part for driving the clamping jaws to move and a second driving part for driving the clamping hydraulic cylinders to work.
Preferably, the first driving part comprises a main shaft pull pipe arranged in the chuck body in a penetrating mode and a main shaft rotary oil cylinder arranged on the chuck body, the main shaft pull pipe is connected with the clamping jaw and hinged to the chuck body, and one end of the main shaft pull pipe is connected with the output end of the main shaft rotary oil cylinder.
Preferably, the second drive part is including installing hydraulic pressure oil circuit board on the chuck body, set up in hydraulic pressure pipe in the main shaft arm-tie and installing hydraulic pressure rotary cylinder on the chuck body, centre gripping hydraulic cylinder intercommunication sets up on the hydraulic pressure oil circuit board, just hydraulic pressure oil circuit board passes through hydraulic pressure pipe with hydraulic pressure rotary cylinder intercommunication.
Preferably, the hydraulic pipe is sleeved with a hydraulic pipe sliding sleeve.
Preferably, a rotary fixing frame is fixed on the spindle box, and the hydraulic rotary oil cylinder is connected with the rotary fixing frame through an oil return pipe and then communicated with an external hydraulic source.
Compared with the prior art, the beneficial effects of the utility model are that: the jack catch carries out diameter direction's centre gripping to the work piece, realizes the lathe work of common lathe, and the centre gripping pneumatic cylinder carries out the centre gripping to the side position outward flange that needs the processing work piece, for side position processing provides clamping-force reduction manufacturing procedure, reduces the processing cost, reduces accumulative total machining error, improves the machining precision, reduces process time, clamping time and promotes machining efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of the chuck body of the present invention;
fig. 3 is an overall sectional view of the present invention;
in the figure: 1. a chuck body; 2. a claw; 3. a balancing weight; 4. a workpiece; 5. a clamping hydraulic cylinder; 6. a hydraulic oil circuit board; 7. a hydraulic tube; 8. a hydraulic pipe sliding sleeve; 9. pulling a main shaft; 10. a main shaft rotary oil cylinder; 11. a hydraulic rotary cylinder; 12. a main spindle box; 13. a rotary fixing frame; 14. an oil return pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1-3, the present invention provides a technical solution: a special clamp for turning and drilling a bent shaft with a hole on the side surface comprises a main spindle box 12 and a chuck body 1 arranged on the main spindle box; a pair of clamping jaws 2 capable of clamping a workpiece 4 are oppositely arranged on the chuck body 1, and the clamping jaws 2 can be matched with each other after being relatively moved so as to clamp the outer diameter of the workpiece 4;
the chuck body 1 is also provided with a clamping hydraulic cylinder 5 with a clamping part, and an output shaft of the clamping hydraulic cylinder 5 can drive the clamping part to move so as to clamp the outer edge of the side part of the workpiece 4; the chuck body 1 is also provided with a first driving part for driving the jaws 2 to move and a second driving part for driving the clamping hydraulic cylinder 5 to work.
In this embodiment, the work piece 4 can be the axle, install chuck body 1 to headstock 12 when using, jack catch 2 can be installed on the circular face of chuck body 1 with the rotation local mode, and two jack catches 2 are symmetrical arrangement, thereby jack catch 2 can do and rotate in opposite directions and carry out the clamping to the external diameter of work piece 4, it is concrete, have the half slot with the outer wall adaptation of work piece 4 on every jack catch 2, when two jack catches 2 butt joint, two half slots make up into a circular slot and carry out the centre gripping with work piece 4, the clamping part of centre gripping pneumatic cylinder 5 and the lateral part outward flange adaptation of work piece 4, and in the clamping process, exert a power to the lateral part of work piece 4, so that provide clamping-force for the side position processing of work piece 4. The weight 3 can be fixedly arranged on the chuck body 1 to increase the gravity of the chuck body.
Further, the first driving part comprises a main shaft pull pipe 9 penetrating through the chuck body 1 and a main shaft rotary oil cylinder 10 installed on the chuck body 1, the main shaft pull pipe 9 is connected with the clamping jaw 2, the clamping jaw 2 is hinged on the chuck body 1, and one end of the main shaft pull pipe 9 is connected with the output end of the main shaft rotary oil cylinder 10.
In the present embodiment, similar to the spindle of the conventional machine tool, the jaws 2 on the chuck body 1 provide an axial pulling force through the spindle pulling tube 9, and the spindle pulling tube 9 transmits a pressure from the outside through the spindle rotation cylinder 10.
Further, the second driving part comprises a hydraulic oil circuit board 6 installed on the chuck body 1, a hydraulic pipe 7 arranged in the main shaft pull pipe 9 and a hydraulic rotary oil cylinder 11 installed on the chuck body 1, the clamping hydraulic cylinder 5 is communicated and arranged on the hydraulic oil circuit board 6, and the hydraulic oil circuit board 6 is communicated with the hydraulic rotary oil cylinder 11 through the hydraulic pipe 7.
In this embodiment, the hydraulic oil circuit board 6 is supplied with hydraulic pressure through the hydraulic pipe 7 disposed inside the main shaft pull pipe 9, and the hydraulic pressure of the hydraulic pipe 7 is supplied with hydraulic pressure through the hydraulic rotary cylinder oil 11, that is, one end of the hydraulic pipe 7 is communicated with the hydraulic oil circuit board 6, the other end is communicated with an oil outlet of the hydraulic rotary cylinder 11, and the hydraulic rotary cylinder 11 is communicated with an external hydraulic pressure source.
Furthermore, a hydraulic pipe sliding sleeve 8 is sleeved on the hydraulic pipe 7.
In the present embodiment, the hydraulic pipe sliding bush 8 improves the mounting stability of the hydraulic pipe 7.
Furthermore, a rotary fixing frame 13 is fixed on the spindle box, and the hydraulic rotary oil cylinder 11 is connected with the rotary fixing frame 13 through an oil return pipe 14 and then communicated with an external hydraulic source.
In this embodiment, a rotating cylinder fixing frame 13 is further disposed on a side wall of the spindle box 12 opposite to the chuck body 1, the hydraulic rotating cylinder 11 is connected to the rotating fixing frame 13 through an oil return pipe 14, it is ensured that an external hydraulic source can enter the hydraulic rotating cylinder 11, and the spindle rotating cylinder 10 can also be communicated with the oil return pipe 14.
The utility model discloses a theory of operation and use flow: the utility model discloses install the back, during the use, work piece 4 can be the axle, install chuck body 1 to headstock 12 when using, jack catch 2 can be with rotating local mode and install on chuck body 1's circular face, and two jack catches 2 are symmetrical arrangement, thereby jack catch 2 can do and rotate in opposite directions and carry out the clamping to the external diameter of work piece 4, it is concrete, have the half slot with the outer wall adaptation of work piece 4 on every jack catch 2, when two 2 butt joints of jack catch are joined in marriage, two half slots make up into a circular slot and carry out the centre gripping with work piece 4, the clamping part of centre gripping pneumatic cylinder 5 and the lateral part outward flange adaptation of work piece 4, and at the centre gripping in-process, exert a power to the lateral part of work piece 4, so that provide the clamping-force for the side position processing of work piece 4.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. A special clamp for turning and drilling a bent shaft with a hole in the side surface is characterized by comprising a main spindle box (12) and a chuck body (1) arranged on the main spindle box; the chuck is characterized in that a pair of clamping jaws (2) capable of clamping a workpiece (4) are oppositely arranged on the chuck body (1), and the clamping jaws (2) can move relatively and then are matched with each other to clamp the outer diameter of the workpiece (4);
the clamping hydraulic cylinder (5) with a clamping part is further installed on the chuck body (1), and an output shaft of the clamping hydraulic cylinder (5) can drive the clamping part to move, so that the outer edge of the side part of the workpiece (4) is clamped; the chuck is characterized in that the chuck body (1) is also provided with a first driving part for driving the clamping jaw (2) to move and a second driving part for driving the clamping hydraulic cylinder (5) to work.
2. The special fixture for turning and drilling the bent shaft with the hole in the side surface as claimed in claim 1, wherein the first driving part comprises a main shaft pull pipe (9) penetrating into the chuck body (1) and a main shaft rotary oil cylinder (10) installed on the chuck body (1), the main shaft pull pipe (9) is connected with the jaw (2), the jaw (2) is hinged on the chuck body (1), and one end of the main shaft pull pipe (9) is connected with an output end of the main shaft rotary oil cylinder (10).
3. The special fixture for turning and drilling the bent shaft with the hole in the side surface according to claim 2, wherein the second driving part comprises a hydraulic oil circuit board (6) installed on the chuck body (1), a hydraulic pipe (7) arranged in the main shaft pull pipe (9), and a hydraulic rotary cylinder (11) installed on the chuck body (1), the clamping hydraulic cylinder (5) is communicated with the hydraulic oil circuit board (6), and the hydraulic oil circuit board (6) is communicated with the hydraulic rotary cylinder (11) through the hydraulic pipe (7).
4. The special fixture for turning and drilling the bent shaft with the side hole according to claim 3, wherein a hydraulic pipe sliding sleeve (8) is sleeved on the hydraulic pipe (7).
5. The special fixture for turning and drilling the bent shaft with the hole in the side surface according to claim 4, wherein a rotary fixing frame (13) is fixed on the main spindle box (12), and the hydraulic rotary cylinder (11) is connected with the rotary fixing frame (13) through an oil return pipe (14) and then communicated with an external hydraulic source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120545340.8U CN214443173U (en) | 2021-03-16 | 2021-03-16 | Special fixture for turning and drilling of bent shaft with holes in side surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120545340.8U CN214443173U (en) | 2021-03-16 | 2021-03-16 | Special fixture for turning and drilling of bent shaft with holes in side surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214443173U true CN214443173U (en) | 2021-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120545340.8U Active CN214443173U (en) | 2021-03-16 | 2021-03-16 | Special fixture for turning and drilling of bent shaft with holes in side surface |
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| CN (1) | CN214443173U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846264A (en) * | 2021-03-16 | 2021-05-28 | 无锡迪奥数控科技有限公司 | Special fixture for turning and drilling of bent shaft with holes in side surface |
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2021
- 2021-03-16 CN CN202120545340.8U patent/CN214443173U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112846264A (en) * | 2021-03-16 | 2021-05-28 | 无锡迪奥数控科技有限公司 | Special fixture for turning and drilling of bent shaft with holes in side surface |
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