阅读说明：本技术 一种斜孔加工用定位夹具 (Positioning fixture for inclined hole machining ) 是由 丛雪 于 2020-06-29 设计创作，主要内容包括：本发明公开了一种斜孔加工用定位夹具,包括支撑座,支撑座上端可拆卸安装有套板,套板的上表面从内至外开设有若干圈螺纹定位孔,支撑座的下端对称安装有三个角度调节装置；角度调节装置的第一支撑杆安装于支撑座底面,第一支撑杆下端安装的第一转向球套设于球套内,球套下端安装的支撑螺杆螺接于螺纹套杆内,螺纹套杆底部开设的限位槽内套设有限位杆,限位杆下端安装的第二转向球套设于底座上表面开设的球型槽内；与现有技术相比,本发明的有益效果是：通过套板上的螺纹定位孔可以将圆盘加工件快速定位,或者通过更换套板将工件固定,通过三个角度调节装置实现对支撑座角度的调节。(The invention discloses a positioning fixture for inclined hole machining, which comprises a supporting seat, wherein a sleeve plate is detachably arranged at the upper end of the supporting seat, a plurality of circles of threaded positioning holes are formed in the upper surface of the sleeve plate from inside to outside, and three angle adjusting devices are symmetrically arranged at the lower end of the supporting seat; a first supporting rod of the angle adjusting device is arranged on the bottom surface of the supporting seat, a first steering ball sleeve arranged at the lower end of the first supporting rod is arranged in the ball sleeve, a supporting screw arranged at the lower end of the ball sleeve is screwed in the threaded sleeve rod, a limiting rod is sleeved in a limiting groove formed in the bottom of the threaded sleeve rod, and a second steering ball sleeve arranged at the lower end of the limiting rod is arranged in a ball groove formed in the upper surface of the base; compared with the prior art, the invention has the beneficial effects that: the disc workpiece can be quickly positioned through the threaded positioning hole in the sleeve plate, or the workpiece is fixed by replacing the sleeve plate, and the angle of the supporting seat is adjusted through the three angle adjusting devices.)

1. The utility model provides a positioning fixture is used in inclined hole processing, includes supporting seat (1), its characterized in that: a sleeve plate (2) is detachably mounted at the upper end of the supporting seat (1), a damping alloy (3) is arranged at the center of the upper surface of the sleeve plate (2), a plurality of circles of threaded positioning holes (201) are formed in the upper surface of the sleeve plate (2) from inside to outside, and three angle adjusting devices (5) are symmetrically mounted at the lower end of the supporting seat (1);

The angle adjusting device (5) comprises a first supporting rod (51), the first supporting rod (51) is installed on the bottom surface of the supporting seat (1), a first steering ball (52) is installed at the lower end of the first supporting rod (51), the lower end of the first steering ball (52) is sleeved in a ball sleeve (53), a supporting screw rod (54) is installed at the lower end of the ball sleeve (53), the supporting screw rod (54) is screwed in a threaded sleeve rod (55), a limiting groove (551) is formed in the bottom of the threaded sleeve rod (55), a limiting rod (57) is sleeved in the limiting groove (551), a second steering ball (58) is installed at the lower end of the limiting rod (57), the second steering ball (58) is sleeved in a ball-shaped groove (602) formed in the upper surface of the base (6), and a positioning through hole (601) is formed in the edge position of the base (6).

The lower surface of the middle position of the supporting seat (1) is provided with a connecting plate (10), and the bottom of the connecting plate (10) is provided with a tilt angle sensor (11).

2. The positioning jig for inclined hole machining according to claim 1, characterized in that: a plurality of connecting rod sleeve (7) is installed perpendicularly to the lower surface of supporting seat (1) intermediate position, the lower extreme endotheca of connecting rod sleeve (7) is equipped with connecting rod (9), be connected with damping spring (8) in the upper end of connecting rod (9) and connecting rod sleeve (7) between the bottom, the lower extreme of connecting rod (9) is installed on connecting plate (10).

3. The positioning jig for inclined hole machining according to claim 1, characterized in that: the side of the sleeve plate (2) is provided with a connecting screw (4), and the connecting screw (4) penetrates through the sleeve plate (2) and is in threaded connection with the supporting seat (1).

4. The positioning jig for inclined hole machining according to claim 1, characterized in that: the outer surface of the upper end of the threaded sleeve rod (55) is provided with a rotating sleeve (56).

5. The positioning jig for inclined hole machining according to claim 1, characterized in that: and a bushing (59) is arranged in the ball sleeve (53) and the ball groove (602).

Technical Field

The invention relates to the technical field of machine tool fixtures, in particular to a positioning fixture for machining an inclined hole.

Background

The jig is a device for fixing a processing object to occupy a correct position to receive construction or inspection in a mechanical manufacturing process, and in a broad sense, any process in a process is a device for quickly, conveniently and safely mounting a workpiece, and is called a jig; at present, some disc parts with connecting screw holes on the outer edges need to be processed with inclined holes in the center during processing, but the inclined holes are processed with the conventional process in a troublesome manner, complex fixtures need to be used, five-axis machine tool processing is needed, the batch production processing is not facilitated, the processing efficiency is low, the processing cost is high, and therefore a positioning fixture for inclined hole processing is provided.

Disclosure of Invention

The invention aims to provide a positioning fixture for inclined hole machining, which aims to solve the problems in the background technology.

A positioning fixture for inclined hole machining comprises a supporting seat, wherein a sleeve plate is detachably mounted at the upper end of the supporting seat, a vibration-damping alloy is arranged at the center of the upper surface of the sleeve plate, the vibration-damping alloy is made of a manganese-copper alloy and has good vibration-damping performance, a workpiece is protected, a plurality of circles of threaded positioning holes are formed in the upper surface of the sleeve plate from inside to outside, threaded through holes and threaded positioning holes in the edge of a disc part are connected through bolts, the part is fixed, and three angle adjusting devices are symmetrically mounted at the lower end of the supporting seat;

the angle adjusting device comprises a first supporting rod, the first supporting rod is installed on the bottom surface of the supporting seat, a first steering ball is installed at the lower end of the first supporting rod, the lower end of the first steering ball is sleeved in the ball sleeve, the first steering ball can rotate freely in the ball sleeve, a supporting screw is installed at the lower end of the ball sleeve, the supporting screw is screwed in the threaded sleeve rod, a limiting groove is formed in the bottom of the threaded sleeve rod, a limiting rod is sleeved in the limiting groove, the cross sections of the limiting groove and the limiting rod are T-shaped, a second steering ball is installed at the lower end of the limiting rod, the second steering ball is arranged in a ball-shaped groove formed in the upper surface of the base, the second steering ball can rotate freely in the ball-shaped groove, a positioning through hole is further formed in the edge position of the base, and the positioning through hole is used for installing the base on a machine tool table.

The lower surface of the middle position of the supporting seat is provided with a connecting plate, the bottom of the connecting plate is provided with a tilt angle sensor, and the tilt angle sensor can detect the angle of the connecting plate.

Preferably, a plurality of connecting rod sleeves are vertically installed on the lower surface of the middle position of the supporting seat, a connecting rod is arranged on the lower end inner sleeve of each connecting rod sleeve, a damping spring is connected between the bottom of each connecting rod and the inner bottom of each connecting rod sleeve, the lower end of each connecting rod is installed on the corresponding connecting plate, and when a machine tool is machined, vibration can be buffered through the damping springs, so that the inclination angle sensor at the lower end of the corresponding connecting plate is protected.

Preferably, the side of the sleeve plate is provided with a connecting screw, the connecting screw penetrates through the sleeve plate and is in threaded connection with the supporting seat, and the sleeve plate is convenient to disassemble and assemble outside the supporting seat through the connecting screw.

Preferably, the outer surface of the upper end of the threaded sleeve rod is provided with a rotating sleeve, the outer surface of the rotating sleeve is provided with anti-skid lines, and a user can rotate the threaded sleeve rod conveniently through the rotating sleeve.

Preferably, the ball sleeve and the ball groove are internally provided with a lining, and the lining can play a role in buffering the pressure in the ball sleeve and the ball groove.

Compared with the prior art, the invention has the beneficial effects that:

A sleeve plate is detachably mounted at the upper end of the supporting seat, a plurality of circles of threaded positioning holes are formed in the upper surface of the sleeve plate from inside to outside, and three angle adjusting devices are symmetrically mounted at the lower end of the supporting seat; the disc workpiece can be quickly positioned through the threaded positioning hole in the sleeve plate, or the workpiece is fixed by replacing the sleeve plate, and the angle of the supporting seat is adjusted through the three angle adjusting devices;

a first supporting rod through an angle adjusting device is arranged on the bottom surface of the supporting seat, a first steering ball sleeve arranged at the lower end of the first supporting rod is arranged in the ball sleeve, a supporting screw arranged at the lower end of the ball sleeve is screwed in the threaded sleeve rod, a limiting rod is sleeved in a limiting groove formed in the bottom of the threaded sleeve rod, and a second steering ball sleeve arranged at the lower end of the limiting rod is arranged in a ball groove formed in the upper surface of the base; the length adjustment between the threaded sleeve rod and the supporting screw rod can be realized by rotating the threaded sleeve rod, so that the length adjustment of the angle adjusting device is realized, the rotating positions of the first steering ball and the second steering ball are adapted to the length adjustment of the angle adjusting device, the heights of different positions of the supporting seat are different after the adjustment, the inclination angle is adjusted, inclined holes can be obtained by vertically cutting a disc workpiece by a common machine tool, the disc workpiece can be conveniently processed, the processing cost is reduced, the universality of the clamp is strong, and the workpieces can be processed in batches.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is a cross-sectional view of the structure at A-A of the present invention;

FIG. 3 is a sectional view showing the structure of the angle adjusting apparatus of the present invention;

fig. 4 is a side view of the present invention.

In the figure: 1. supporting seat, 2, a sleeve plate, 201, a threaded positioning hole, 3, a vibration damping alloy, 4, a connecting screw, 5, an angle adjusting device, 51, a first supporting rod, 52, a first steering ball, 53, a ball sleeve, 54, a supporting screw rod, 55, a threaded sleeve rod, 551, a limiting groove, 56, a rotating sleeve, 57, a limiting rod, 58, a second steering ball, 59, a bushing, 6, a base, 601, a positioning through hole, 602, a ball-shaped groove, 7, a connecting rod sleeve, 8, a vibration damping spring, 9, a connecting rod, 10, a connecting plate, 11 and an inclination angle sensor.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a positioning fixture for inclined hole machining comprises a supporting seat 1, wherein a sleeve plate 2 is detachably mounted at the upper end of the supporting seat 1, a connecting screw 4 is arranged on the side face of the sleeve plate 2, the connecting screw 4 penetrates through the sleeve plate 2 and is in threaded connection with the inside of the supporting seat 1, and the sleeve plate 2 can be conveniently dismounted and mounted outside the supporting seat 1 through the connecting screw 4; the damping device comprises a sleeve plate 2, a plurality of circles of threaded positioning holes 201 are formed in the upper surface of the sleeve plate 2 from inside to outside, threaded through holes in the edges of disc parts are connected with the threaded positioning holes 201 through bolts to fix the parts, and three angle adjusting devices 5 are symmetrically mounted at the lower end of a supporting seat 1; the disc workpiece can be quickly positioned through the threaded positioning hole 201 in the sleeve plate 2, or the workpiece is fixed by replacing the sleeve plate 2, and the angle of the supporting seat 1 is adjusted through the three angle adjusting devices 5.

The angle adjusting device 5 comprises a first supporting rod 51, the first supporting rod 51 is installed on the bottom surface of the supporting seat 1, a first steering ball 52 is installed at the lower end of the first supporting rod 51, the lower end of the first steering ball 52 is sleeved in a ball sleeve 53, the first steering ball 52 can freely rotate in the ball sleeve 53, a supporting screw 54 is installed at the lower end of the ball sleeve 53, the supporting screw 54 is screwed in a threaded sleeve rod 55, a rotating sleeve 56 is arranged on the outer surface of the upper end of the threaded sleeve rod 55, anti-skid threads are arranged on the outer surface of the rotating sleeve 56, a user can conveniently rotate the threaded sleeve rod 55 through the rotating sleeve 56, a limiting groove 551 is formed at the bottom of the threaded sleeve rod 55, a limiting rod 57 is sleeved in the limiting groove 551, the cross sections of the limiting groove 551 and the limiting rod 57 are in a T shape, a second steering ball 58 is installed at the lower end of the limiting rod 57, and the second steering ball 58 is sleeved in a ball groove 602 formed in the upper surface of, the second steering ball 58 can freely rotate in the spherical groove 602, and the ball sleeve 53 and the spherical groove 602 are internally provided with a bushing 59, and the bushing 59 can play a role in buffering the pressure in the ball sleeve 53 and the spherical groove 602; the length adjustment between the threaded sleeve rod 55 and the supporting screw rod 54 can be realized by rotating the threaded sleeve rod 55, so that the length adjustment of the angle adjusting device 5 is realized, the rotating positions of the first steering ball 52 and the second steering ball 58 are adapted to the length adjustment of the angle adjusting device 5, the heights of different positions of the supporting seat 1 after adjustment are different, the inclination angle is adjusted, an inclined hole can be formed by vertically cutting a disc workpiece by a common machine tool, the disc workpiece is conveniently processed, the processing cost is reduced, the universality of a fixture is strong, the workpieces can be processed in batches, a positioning through hole 601 is further formed in the edge position of the base 6, and the positioning through hole 601 is used for installing the base 6 on a machine tool processing table.

A connecting plate 10 is arranged on the lower surface of the middle position of the supporting seat 1, an inclination angle sensor 11 is mounted at the bottom of the connecting plate 10, the inclination angle sensor 11 can detect the angle of the connecting plate 10, and the inclination angle sensor 11 is connected with an external controller and used for displaying an inclination angle value; a plurality of connecting rod cover 7 is installed perpendicularly to the lower surface of 1 intermediate position of supporting seat, the lower extreme endotheca of connecting rod cover 7 is equipped with connecting rod 9, be connected with damping spring 8 between the bottom in the upper end of connecting rod 9 and the connecting rod cover 7, the lower extreme of connecting rod 9 is installed on connecting plate 10, adds man-hour at the lathe, can cushion the vibration through damping spring 8, and then plays the guard action to inclination sensor 11 of connecting plate 10 lower extreme.

The working principle is as follows: when the angle adjusting device is used, the clamp is arranged on a machine tool, the threaded through hole at the edge of a disc part is connected with the threaded positioning hole 201 through a bolt, the part is fixed, the length between the threaded sleeve rod 55 and the supporting screw 54 is adjusted by rotating the threaded sleeve rod 55, so that the length of the angle adjusting device 5 is adjusted, the heights of different positions of the supporting base 1 are different after adjustment, the inclination angle is adjusted, and the inclined hole can be obtained by controlling the machine tool prop to vertically cut a disc workpiece downwards.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.