CN218575554U

CN218575554U - Spring chuck auxiliary device capable of automatically fixing length

Info

Publication number: CN218575554U
Application number: CN202222720277.4U
Authority: CN
Inventors: 刘明; 李季昌; 董晓; 兰起洪; 李迎春
Original assignee: Luoyang Institute of Electro Optical Equipment AVIC
Current assignee: Luoyang Institute of Electro Optical Equipment AVIC
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-03-07
Anticipated expiration: 2032-10-12

Abstract

The utility model provides a but collet chuck auxiliary device of automatic fixed length, the device includes: the positioning structure is used for fixing the length; the tensioning structure is used for clamping the device and the spring chuck; and the connecting structure is used for connecting the positioning structure with the tensioning structure. According to the spring chuck auxiliary device capable of automatically fixing the length, the length of the spring chuck can be automatically fixed, the step of aligning parts is omitted, and the part processing efficiency is improved; the structure is convenient to install, can be quickly replaced and assembled, and realizes the function of automatic centering; the structure does not need to reform the spring chuck, and the original structure of the spring chuck is ensured.

Description

Spring chuck auxiliary device capable of automatically fixing length

Technical Field

The utility model belongs to the field of machining makes, concretely relates to spring chuck auxiliary device that can automatic fixed length.

Background

When turning small-diameter rotary workpieces, the spring chuck is adopted for positioning, so that the turning machine has the advantages of low cost, convenience in replacement, high clamping precision, convenience in workpiece clamping, large cutting torque, workpiece surface protection and the like, and plays an important role in turning.

Although the spring chuck has higher clamping precision in the radial direction, the diameter size precision of a part and the coaxiality during turning processing can be ensured, but the traditional spring chuck cannot position the part in the length direction.

Disclosure of Invention

In order to solve the problem, the utility model aims to provide a spring chuck auxiliary device that can order the field automatically to the problem that spring chuck can't fix a position in part length direction, not only can guarantee that the part is centering but also can carry out the fixed length to the part automatically when carrying out the clamping to gyration type part, the machining efficiency of very big very high part.

In order to realize the purpose, the utility model provides a following technical scheme provides a collet chuck auxiliary device that can automatic fixed length, the device includes:

the positioning structure is used for fixing the length;

the tensioning structure is used for clamping the device and the spring chuck;

and the connecting structure is used for connecting the positioning structure with the tensioning structure.

The spring chuck auxiliary device capable of automatically fixing the length also has the characteristics that the positioning structure comprises a positioning block for fixing the length of a workpiece to be clamped, a positioning seat for fixing the positioning block, a limiting jackscrew for adjusting the extending length of the positioning block and a cover plate for connecting the positioning seat with the connecting structure,

the positioning seat is hollow, an internal thread used for being connected with the positioning block is arranged in the hollow positioning seat, the limiting jackscrew is arranged in the hollow cavity of the positioning seat, and a bulge used for being matched with the cover plate is arranged on the outer side of the positioning seat.

The utility model provides a but spring chuck auxiliary device of automatic fixed length still has such characteristic, location structure is still including setting up the spring between positioning seat and connection structure, the spring is used for popping out the positioning seat is automatic.

The utility model provides a but collet chuck auxiliary device of automatic fixed length still has such characteristic, the tight structure that rises includes the toper tight piece that rises, rises the components of a whole that can function independently child and be used for adjusting the fastener that rises the tightness that rises with the cooperation of toper tight piece that rises.

The utility model provides a but collet chuck auxiliary device of automatic fixed length still has such characteristic, connection structure's one end is equipped with the first location arch that is used for fixing a position the components of a whole that can function independently child that rises.

The utility model provides a but collet chuck auxiliary device of automatic fixed length still has such characteristic, connection structure's the other end is equipped with the second location arch that is used for fixing a position the apron.

The utility model provides a but spring chuck auxiliary device of automatic fixed length still has such characteristic, positioning seat one end terminal surface is not less than positioning seat other end terminal surface to the bellied distance in the outside and the sum of the clearance of the initial length of the bellied distance in the outside, spring and spring.

Advantageous effects

The spring chuck auxiliary device capable of automatically fixing the length, provided by the utility model, has the advantages that the length can be automatically fixed by the spring chuck, the step of aligning parts is omitted, and the part processing efficiency is improved; the structure is convenient to install, can be quickly replaced and assembled, and realizes the function of automatic centering; the structure does not need to reform the spring chuck, and the original structure of the spring chuck is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings needed to be used in the embodiments will be briefly described below, it is obvious that the following descriptions are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

Fig. 1 is a cross-sectional view of a collet chuck auxiliary device capable of automatically fixing length according to an embodiment of the present invention, which is mounted on a collet chuck;

fig. 2 is an installation schematic view of a collet chuck auxiliary device capable of automatically fixing length according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a collet chuck auxiliary device capable of automatically fixing a length according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of an automatic length control collet chuck device according to another embodiment of the present invention;

fig. 5 is a schematic view illustrating an installation of an automatic length-fixing collet chuck auxiliary device according to another embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a positioning block according to an embodiment of the present invention,

wherein, 1: a conical tensioning block; 2: expanding the tire in a split way; 3: a base; 4: a cover plate; 5: a collet chuck; 6: a workpiece to be clamped; 7: positioning a block; 8: positioning seats; 9: limiting jackscrews; 10: a spring; 11: a fastening screw; 12: a fixing screw; 13: fastening nut 14: an inner hexagonal groove; 15: a working gap; 16: a positioning structure; 17: and (6) positioning the surface.

Detailed Description

The present invention is further described in detail with reference to the drawings and examples, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functional, method, or structural equivalents and substitutions made by these embodiments are within the scope of the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.

The terms "mounted," "connected," and "coupled" are to be construed broadly and may, for example, be fixedly coupled, detachably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art through specific situations.

As shown in fig. 1-6, the present embodiment provides an automatically length-fixing collet chuck auxiliary device, which comprises:

a positioning structure 16 for performing length fixing;

the tensioning structure is used for clamping the device and the spring chuck 5;

and the connecting structure is used for connecting the positioning structure 16 with the tensioning structure.

In some embodiments, the positioning structure 16 includes a positioning block 7 for fixing the workpiece 6 to be clamped, a positioning seat 8 for fixing the positioning block 7, a limiting jackscrew 9 for adjusting the extending length of the positioning block 7, and a cover plate 4 for connecting the positioning seat 8 with the connecting structure,

the positioning seat 8 is hollow, an internal thread used for being connected with the positioning block 7 is arranged in the hollow positioning seat 8, the limiting jackscrew 9 is arranged in the hollow cavity of the positioning seat 8, and a bulge used for being matched with the cover plate 4 is arranged on the outer side of the positioning seat 8. According to different specifications of the spring chuck 5 and different part characteristics, different positioning blocks 7 can be selected for the automatic fixed-length auxiliary device.

In some embodiments, the positioning structure 16 further comprises a spring 10 disposed between the positioning seat 8 and the connecting structure, and the spring 10 is used for automatically ejecting the positioning seat 8. When the positioning structure 16 comprises the spring 10, the mounting direction of the positioning seat 8 is opposite to that when the positioning structure does not comprise the spring 10, and when the spring 10 is not mounted, the positioning seat 8 cannot move back and forth, so that positioning with a fixed length is realized.

In some embodiments, the tensioning structure includes a conical tensioning block 1, a split tensioning tire 2 that is matched with the conical tensioning block 1 to be tensioned, and a fastening device for adjusting the tensioning degree. The split expanding tires 2 can be selected with different numbers, and the more the split expanding tires are, the higher the positioning accuracy is

In some embodiments, one end of the connecting structure is provided with a first positioning protrusion for positioning the split expander 2.

In some embodiments, the other end of the connecting structure is provided with a second positioning protrusion for positioning the cover plate 4.

In some embodiments, the distance from the end face of one end of the positioning seat 8 to the outer side protrusion is not less than the sum of the distance from the end face of the other end of the positioning seat 8 to the outer side protrusion, the initial length of the spring 10 and the working gap 15 of the spring 10.

In some embodiments, as shown in fig. 1 to 3, the provided spring chuck auxiliary device capable of automatically fixing the length is directed at a pushing type spring chuck, and a side wall of the pushing type spring chuck is provided with an opening, then the clamping method of the spring chuck auxiliary device comprises the following steps:

the method comprises the following steps: assembly of the locating structure 16. A proper positioning block 7 is selected according to parts, the positioning block 7 is screwed into a positioning seat 8, a threaded hole in the positioning seat 8 is a through hole, the back side of the positioning seat is limited through a limiting jackscrew 9, and the extending length of the positioning block 7 is guaranteed to be fixed.

Step two: fixation of the positioning structure 16. Inserting the positioning structure 16 assembled in the first step into the base 3, connecting the cover plate 4 with the base 3 through screws, and fixing the positioning structure 16 between the base 3 and the cover plate 4 to ensure that the positioning structure 16 can only move in the axial direction. The spring 10 is added between the positioning structure 16 and the base 3, the spring 10 is tightened up and the positioning surface 17 is attached to fix the length direction in the part processing process, the spring 10 rebounds to eject the limiting module outwards after the spring chuck 5 is loosened, and meanwhile, the limiting module ejects parts to realize automatic blanking.

Step three: the auxiliary device is fixed with the spring chuck 5. The fastening screw 11 is screwed into the base 3 through the conical tensioning block 1, the split expanding tire 2 is arranged between the conical tensioning block 1 and the base 3, and the whole device shown in the figure 2 is inserted into the spring chuck. As shown in figure 3, a fixing screw 12 penetrates through the side wall of the spring chuck 5 to be connected with a part of the base 3, so that the automatic length fixing auxiliary device is prevented from rotating and moving in the spring chuck 5, the fastening screw 12 is screwed, the conical tensioning block 1 compresses the split expanding tire 2, the split expanding tire 2 is attached to the inner wall of the spring chuck 5, and the auxiliary device is fixed with the spring chuck 5.

In some embodiments, as shown in fig. 4 to 5, the automatically fixable length collet chuck auxiliary device is provided for a tension type collet chuck, and the side wall of the tension type collet chuck has no opening, the clamping method of the collet chuck auxiliary device comprises the following steps:

the method comprises the following steps: and (6) assembling the positioning structure. The proper positioning block 7 is selected according to the part, the positioning block 7 is screwed into the positioning seat 8, the threaded hole in the positioning seat 8 is a through hole, the back side is limited through the limiting jackscrew 9, and the extension length of the positioning block is guaranteed to be fixed.

Step two: and (5) fixing the positioning structure. Inserting the positioning structure assembled in the first step into the base 3, connecting the cover plate 4 with the base 3 through screws, and fixing the positioning structure between the base 3 and the cover plate 4 to ensure that the positioning structure can only move in the axial direction. Add spring 10 between location structure and the base 3, spring 10 tightens up the locating surface and laminates and fixes length direction among the parts machining process, and spring chuck loosens back spring 10 and outwards ejecting with spacing module, and the ejecting part of spacing module realizes automatic unloading simultaneously.

Step three: the auxiliary device is fixed with the spring chuck 5. The rear end of the base 3 extends out of the screw rod, the screw rod penetrates through the conical tensioning block 1, and the tail end of the screw rod is provided with an inner hexagonal groove 14. The inner hexagon wrench is inserted into the inner hexagon groove 14 to fix the part of the base 3, the automatic length fixing auxiliary device is prevented from rotating and moving in the spring chuck 5, the fastening nut 13 is screwed, the conical tensioning block 1 compresses the split expanding tire 2, the split expanding tire 2 is enabled to be attached to the inner wall of the spring chuck 5, and the auxiliary device is fixed with the spring chuck 5.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. A collet chuck assist device capable of automatically setting a length, the device comprising:

the positioning structure is used for fixing the length;

the tensioning structure is used for clamping the device and the spring chuck;

2. The collet chuck auxiliary device capable of automatically fixing length as claimed in claim 1, wherein the positioning structure comprises a positioning block for fixing the length of the workpiece to be clamped, a positioning seat for fixing the positioning block, a limiting jackscrew for adjusting the extending length of the positioning block, and a cover plate for connecting the positioning seat with the connecting structure,

the positioning seat is hollow, an internal thread used for being connected with the positioning block is arranged in the hollow positioning seat, the limiting jackscrew is arranged in a hollow cavity of the positioning seat, and a protrusion used for being matched with the cover plate is arranged on the outer side of the positioning seat.

3. The automatically variable length collet chuck assist device of claim 2, wherein the positioning structure further comprises a spring disposed between the positioning socket and the connecting structure, the spring adapted to automatically eject the positioning socket.

4. The collet chuck auxiliary device capable of automatically fixing the length as claimed in claim 1, wherein the tensioning structure comprises a tapered tensioning block, a split tensioning tire which is matched with the tapered tensioning block to tension, and a fastening device for adjusting the tensioning degree.

5. The collet chuck auxiliary device capable of automatically fixing length as claimed in claim 3, wherein one end of the connecting structure is provided with a first positioning protrusion for positioning the split expanding tire.

6. A collet chuck device as in claim 5, wherein the other end of the connecting structure is provided with a second positioning protrusion for positioning the cover plate.

7. The collet chuck device of claim 3, wherein the distance from the end face of one end of the positioning seat to the outside protrusion is not less than the sum of the distance from the end face of the other end of the positioning seat to the outside protrusion, the initial length of the spring and the working gap of the spring.