CN217992224U

CN217992224U - Hole positioning device

Info

Publication number: CN217992224U
Application number: CN202221662699.4U
Authority: CN
Inventors: 徐承飞; 张亚; 宋华涛; 孟雪娇; 刘志强
Original assignee: Tianrun Industrial Technology Co ltd
Current assignee: Tianrun Industrial Technology Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-12-09
Anticipated expiration: 2032-06-30

Abstract

The utility model discloses a hole positioner, including position sleeve, loose axle and a plurality of location slider, be equipped with first guide way on the position sleeve, the lateral wall of first guide way is equipped with a plurality of second guide ways along circumference, the loose axle set up in the first guide way and through first elastic component with the movable sleeve is connected, first elastic component can drive the loose axle is in first guide way internalization, be equipped with the guiding conical surface on the loose axle, a plurality of location sliders set up respectively in a plurality of second guide ways, and the first end of location slider is to the inboard with the guiding conical surface butt, the second end extends to the outside the second guide way, the loose axle is in drive the location slider to the outside at the second guide way through the guiding conical surface during first guide way internalization, the second end of a plurality of location sliders mutually supports the location with the locating hole internal stay of work piece. The utility model discloses rational in infrastructure, simple manufacture, convenient operation, the work piece of the lower material of specially adapted hardness.

Description

Hole positioning device

Technical Field

The utility model relates to a work piece location technical field, in particular to hole positioner.

Background

In the machining process, many processes need to adopt a hole positioning mode to perform positioning machining. Most of the existing hole positioning modes adopt a cylindrical pin or a three-point type circular arc spherical surface centering device, the positioning mode is suitable for materials such as steel and alloy with higher material hardness, and for parts of copper, aluminum and the like with lower material hardness, due to the fact that the material hardness is low, when the cylindrical pin or the three-point type circular arc spherical surface centering device is used for positioning, scratch or crush injury is easily caused to a hole wall. Therefore, a new hole positioning device is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a hole positioner rational in infrastructure, simple manufacture, convenient operation, be applicable to the lower material of hardness.

In order to solve the above problem, the utility model provides a hole positioner for to have the work piece location of locating hole, this hole positioner includes:

the positioning sleeve is provided with a first guide groove, and the side wall of the first guide groove is provided with a plurality of second guide grooves along the circumferential direction;

the movable shaft is arranged in the first guide groove and is connected with the movable sleeve through a first elastic piece, the first elastic piece can drive the movable shaft to move in the first guide groove, and a guide conical surface is arranged on the movable shaft;

the positioning sliding blocks are arranged in the second guide grooves respectively, the first ends of the positioning sliding blocks are abutted to the inner side and the guide conical surface, the second ends of the positioning sliding blocks extend out of the second guide grooves to the outer side, the movable shaft is arranged in the first guide grooves and moves outwards in the second guide grooves through the guide conical surface, and the second ends of the positioning sliding blocks are matched with each other to position the positioning holes of the workpiece in an inner supporting mode.

As a further improvement, the utility model discloses a still include apron and compression screw, the apron with the position sleeve is connected, be equipped with on the apron with the screw hole of compression screw spiro union, compression screw runs through behind the screw hole with the top butt of loose axle, compression screw drives when rotating the loose axle is in first guide way internal motion, and compression first elastic component.

As a further improvement of the present invention, the cover plate is connected to the positioning sleeve through a first fixing screw.

As a further improvement of the present invention, the positioning device further includes a second elastic member, the second elastic member continuously applies a force to the positioning slider to the inner side, so that the first end of the positioning slider is held against the guiding conical surface.

As a further improvement, the second elastic component is an elastic rubber ring, the second end of the positioning slider is provided with a clamping groove matched with the elastic rubber ring, and the elastic rubber ring is arranged in the clamping grooves of the positioning sliders.

As a further improvement, the quantity of elastic rubber circle and draw-in groove is two, elastic rubber circle and draw-in groove cooperate one by one, and two draw-in grooves are in the second end of location slider sets up one on the other.

As a further improvement of the present invention, the first elastic member is a spring, the bottom of the movable shaft is provided with a holding groove for holding the spring, one end of the spring is connected to the bottom butt of the holding groove, and the other end is connected to the bottom butt of the first guide groove.

As a further improvement, the second end of the positioning slider is provided with a cambered surface matched with the radian of the positioning hole of the workpiece.

As a further improvement of the present invention, the first end of the positioning slider is provided with a guide inclined plane abutting against the guide conical surface.

As a further improvement, the utility model also comprises a second fixing screw, the bottom of the first guide groove is provided with an assembly hole matched with the second fixing screw, the second fixing screw passes through the assembly hole will the positioning sleeve is positioned.

The utility model has the advantages that:

the utility model discloses hole positioner drives the loose axle through first elastic component and moves in first guide way, and then drives the inside outside motion of location slider in the second guide way through the direction conical surface, props the location through mutually supporting the locating hole of work piece in a plurality of location sliders. The utility model discloses hole positioner is rational in infrastructure, simple manufacture, convenient operation, and the work piece of the lower material of specially adapted hardness avoids contacting with the work piece firmly, avoids damaging the work piece when the location.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are specifically illustrated below, and the detailed description is given in conjunction with the accompanying drawings.

Drawings

FIG. 1 is a top view of an aperture locating assembly in an embodiment of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view taken along A-A of FIG. 1;

fig. 3 is a cross-sectional view taken along B-B of fig. 2.

Description of the labeling:

1. a positioning sleeve; 11. a first guide groove;

2. a movable shaft; 21. a guiding conical surface; 22. accommodating a tank;

3. positioning the sliding block;

4. a cover plate;

5. a first elastic member;

6. a second elastic member;

7. a first set screw;

8. a compression screw;

9. and a second set screw.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not limited to the present invention.

As shown in fig. 1 to 3, the hole positioning device in the preferred embodiment of the present invention is used for positioning a workpiece having a positioning hole, and includes a positioning sleeve 1, a movable shaft 2, a first elastic member 5, and a plurality of positioning sliders 3.

Be equipped with first guide way 11 on the position sleeve 1, the lateral wall of first guide way 11 is equipped with a plurality of second guide ways along circumference, loose axle 2 sets up in first guide way 11 and is connected with the movable sleeve through first elastic component 5, first elastic component 5 can drive loose axle 2 and move in first guide way 11, be equipped with the direction conical surface 21 on the loose axle 2, a plurality of location sliders 3 set up respectively in a plurality of second guide ways, the inboard and the 21 butt of direction conical surface of first end of location slider 3, the second end extends the second guide way to the outside, loose axle 2 drives location slider 3 through the direction conical surface 21 and moves to the outside in the second guide way when first guide way 11 internal motion, the second end of a plurality of location sliders 3 mutually supports the location with the locating hole internal stay of work piece.

Optionally, the first guide groove 11 is circular, the bottom of the movable shaft 2 is circular, and the radius of the bottom of the movable shaft 2 is slightly smaller than the radius of the first guide groove 11, so that the movable shaft 2 can only move in a fixed direction in the first guide groove 11, and the precision of the movement is ensured.

When a workpiece is positioned, the hole positioning device is arranged in a positioning hole of the workpiece, the first elastic piece 5 drives the movable shaft 2 to move upwards, the guide conical surface 21 of the movable shaft 2 is matched with the first end of the positioning slide block 3 to drive the positioning slide block 3 to move outwards in the second guide groove, and the second ends of the positioning slide blocks 3 are mutually matched to internally support and position the positioning hole of the workpiece. After the positioning is finished, the first elastic piece 5 is compressed downwards through external force, so that the guide conical surface 21 is separated from contact with the first end of the positioning slide block 3, and the second end of the positioning slide block 3 is separated from contact with the inner wall of the positioning hole of the workpiece.

The utility model discloses hole positioner drives loose axle 2 through first elastic component 5 and moves in first guide way 11, and then drives location slider 3 through the direction conical surface 21 and move to the outside in the second guide way, props the location through a plurality of location sliders 3 mutually support the locating hole of work piece in. The utility model discloses hole positioner is rational in infrastructure, simple manufacture, convenient operation, and the work piece of the lower material of specially adapted hardness avoids contacting with the work piece firmly, avoids damaging the work piece when the location.

Optionally, the first elastic element 5 is a spring, the bottom of the movable shaft 2 is provided with a receiving groove 22 for receiving the spring, one end of the spring abuts against the bottom of the receiving groove 22, and the other end abuts against the bottom of the first guide groove 11. The spring provides continuous elastic force for the movable shaft 2 so as to tightly abut the positioning slide block 3 against the positioning hole of the workpiece. The receiving groove 22 can protect the spring and ensure the spring to be stretched in a fixed direction.

In some embodiments, the utility model discloses hole positioner still includes apron 4 and housing screw 8, and apron 4 is connected with position sleeve 1, is equipped with the screw hole with the 8 spiro unions of housing screw on the apron 4, and housing screw 8 runs through behind the screw hole with the top butt of loose axle 2, and the loose axle 2 of driving moves in first guide way 11 when housing screw 8 rotates to compress first elastic component 5.

Optionally, the top of the movable shaft 2 is a flat surface for abutting against the compression screw 8 to ensure stability of the compression force. Optionally, the cover plate 4 is connected with the positioning sleeve 1 through a plurality of first fixing screws 7, so that the stability of connection between the cover plate 4 and the positioning sleeve 1 is ensured, and meanwhile, the cover plate is convenient to disassemble and assemble.

In some embodiments, the hole-positioning device further includes a second elastic member 6, and the second elastic member 6 continuously applies an inward force to the positioning block 3, so that the first end of the positioning block 3 is kept abutting against the guiding cone 21. Can guarantee that a plurality of location sliders 3 not only can move to the outside in step, also can move to the inside in step, after the location, the inboard motion of a plurality of location sliders 3 rapidly avoids damaging the work piece when taking out hole positioner from the locating hole of work piece.

Optionally, the second elastic element 6 is an elastic rubber ring, a second end of the positioning sliding block 3 is provided with a clamping groove matched with the elastic rubber ring, and the elastic rubber ring is sleeved in the clamping grooves of the positioning sliding blocks 3. The stability of elastic rubber circle can be guaranteed, and the elastic rubber circle is avoided sliding. Furthermore, the number of the elastic rubber rings and the number of the clamping grooves are two, the elastic rubber rings are matched with the clamping grooves one by one, and the two clamping grooves are arranged at the second end of the positioning sliding block 3 one above the other. The upper elastic rubber ring and the lower elastic rubber ring are mutually matched, so that the balance and the stability of the force applied to the positioning slide block 3 are ensured.

In some embodiments, the first end of the positioning slider 3 is provided with a guide slope abutting against the guide taper 21. The inclined angle of the guide inclined plane is the same as that of the guide conical surface 21, so that the friction force between the guide inclined plane and the guide conical surface can be reduced, and meanwhile, the stability of force is ensured.

In some embodiments, the second end of the positioning slider 3 is provided with an arc surface matching with the radian of the positioning hole of the workpiece. The positioning device is used for increasing the contact area during positioning and avoiding crushing workpieces.

In one of them embodiment, the utility model discloses hole positioner still includes second set screw 9, and first guide way 11 bottom is equipped with and fixes the pilot hole of 9 complex with second set screw, and second set screw 9 passes through the pilot hole and fixes a position cover 1.

During the location, earlier upwards twist with housing screw 8, loose axle 2 upward movement under the effect of spring, and simultaneously, location slider 3 moves to the inboard under the effect of elastic rubber circle, until the external diameter of the circle that a plurality of location sliders 3 formed is less than the internal diameter of the locating hole of work piece, then, arrange hole positioner in the locating hole of work piece, screw up housing screw 8, housing screw 8 drives loose axle 2 downstream, constantly compression spring, all support with the inner wall of the locating hole of work piece until the second end of a plurality of location sliders 3, accomplish the location.

The above embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims

1. A hole positioner for with the work piece location that has the locating hole, its characterized in that includes:

the movable shaft is arranged in the first guide groove and is connected with the positioning sleeve through a first elastic piece, the first elastic piece can drive the movable shaft to move in the first guide groove, and a guide conical surface is arranged on the movable shaft;

2. The hole positioning device of claim 1, further comprising a cover plate and a compression screw, wherein the cover plate is connected with the positioning sleeve, the cover plate is provided with a threaded hole in threaded connection with the compression screw, the compression screw penetrates through the threaded hole and abuts against the top of the movable shaft, and the compression screw drives the movable shaft to move in the first guide groove and compress the first elastic member when rotating.

3. The hole locating device of claim 2, wherein the cover plate is connected to the locating sleeve by a first set screw.

4. The hole-locating device of claim 1, further comprising a second resilient member that continues to apply an inward force to the locating slide to maintain the first end of the locating slide in abutment with the guide taper.

5. The hole-locating device of claim 4, wherein the second elastic member is an elastic rubber ring, the second end of the locating slider is provided with a slot engaged with the elastic rubber ring, and the elastic rubber ring is sleeved in the slots of the locating sliders.

6. The hole-locating device of claim 5, wherein the number of the elastic rubber rings and the number of the slots are two, the elastic rubber rings and the slots are matched one by one, and the two slots are arranged one above the other at the second end of the locating slider.

7. The hole-locating device of claim 1, wherein the first elastic member is a spring, and the movable shaft has a bottom portion provided with a receiving groove for receiving the spring, and one end of the spring abuts against the bottom of the receiving groove and the other end abuts against the bottom of the first guide groove.

8. The hole-locating device of claim 1, wherein the first end of the locating slide is provided with a guide ramp that abuts the guide ramp.

9. The hole-locating device of claim 1, wherein the second end of the locating slide has an arcuate surface that matches the curvature of the locating hole in the workpiece.

10. The hole-locating device of claim 1, further comprising a second fixing screw, wherein the bottom of the first guide slot is provided with a fitting hole for fitting the second fixing screw, and the second fixing screw locates the locating sleeve through the fitting hole.