CN222308115U

CN222308115U - Single-point diamond turning adsorption tool

Info

Publication number: CN222308115U
Application number: CN202421169666.5U
Authority: CN
Inventors: 方志原; 贺鹏; 肖志全; 孟聪禄; 马千里
Original assignee: Wuhan Youguang Technology Co ltd
Current assignee: Wuhan Youguang Technology Co ltd
Priority date: 2024-05-27
Filing date: 2024-05-27
Publication date: 2025-01-07
Anticipated expiration: 2034-05-27

Abstract

The utility model discloses a single-point diamond turning adsorption tool, which relates to the technical field of precision machining of optical instruments and specifically comprises a base body, a shrinkage ring and a cover body, wherein the base body comprises a clamping bottom plate and a locking ring arranged on the clamping bottom plate, the locking ring is of a circular structure, a plurality of first elastic open grooves are uniformly distributed on the whole body, a conical part is arranged at the top of the locking ring, a first positioning part matched with the shrinkage ring is arranged on the inner wall of the locking ring, a plurality of second elastic open grooves are uniformly distributed on the whole body of the shrinkage ring, a second positioning part matched with a machined part is arranged inside the shrinkage ring, the cover body is of a circular tubular structure and is detachably connected to the base body, and an inclined opening matched with the conical part is arranged on the inner wall of the cover body. The utility model provides a single-point diamond turning adsorption tool which can ensure that the center of the tool coincides with the center of a workpiece and enables deformation of the tool on parts to be as small as possible or uniform.

Description

Single-point diamond turning adsorption tool

Technical Field

The utility model relates to the technical field of optical instrument precision machining, in particular to a single-point diamond turning adsorption tool.

Background

The reflectors such as single-point diamond lathe processing plane, aspheric surface, free-form surface, off-axis paraboloid, tire tread and the like used in the field of optical ultra-precise processing can directly obtain the surface shape precision and the surface quality with higher requirements.

The single-point diamond cutting technology of the metal reflector aims at a material with higher strength, a workpiece needs to be fixed in the machining process, a tool for fixing the workpiece needs to be provided with reliability so as to ensure that the workpiece cannot fall off from the tool in the machining process, meanwhile, the tool also needs to have smaller clamping fastening force or even fastening force, the stress of the part is small or even, even if the part is deformed, the deformation is as even as possible, in the traditional technology, the single-point diamond machine tool spindle is a pneumatic adsorption spindle, the deformation of the part and the tool can be reduced more effectively, the center of the tool can be overlapped with the center of the spindle as much as possible in a surface marking mode, and at the moment, only the problem needs to be solved, the center of the tool is overlapped with the center of the workpiece as much as possible, and the deformation of the tool to the part is as small as possible or even.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model provides the single-point diamond turning adsorption tool, which can ensure that the center of the tool coincides with the center of a workpiece and can deform the workpiece as little as possible or uniformly.

The utility model is realized by the following technical scheme:

A single-point diamond turning adsorption tool comprises a base body, a shrinkage ring and a cover body, wherein the base body comprises a clamping bottom plate and a locking ring arranged on the clamping bottom plate, the locking ring is of a circular structure, a plurality of first elastic opening grooves are uniformly distributed on the whole body, a conical part is arranged at the top, a first positioning part matched with the shrinkage ring is arranged on the inner wall of the locking ring, a plurality of second elastic opening grooves are uniformly distributed on the whole body of the shrinkage ring, a second positioning part matched with a workpiece is arranged inside the shrinkage ring, the cover body is of a circular tubular structure and detachably connected to the base body, an inclined opening matched with the conical part is formed on the inner wall of the cover body, the shrinkage ring is used for placing workpieces as an independent component to be clamped in the locking ring, shrinkage rings with different inner diameters can be selected according to different diameters of the workpieces, a plurality of sets of tools are avoided, the processing cycle of products can be shortened, the processing cost of the clamps can be reduced, the space brought by the clamps can be simultaneously reduced, the shrinkage ring is uniformly provided with a second elastic opening groove, the shrinkage ring can be simultaneously pressed by the shrinkage ring, the shrinkage ring can be simultaneously pressed by the clamping ring and can be uniformly pressed by the clamping ring, and can be uniformly deformed by the conical part when the clamping ring is simultaneously pressed by the clamping ring, and the clamping ring is uniformly arranged on the center, and the clamping ring can be axially clamped by the clamping ring, and the clamping ring can be simultaneously pressed by the clamping ring, and the clamping ring can be uniformly arranged on the central opening, and the clamping ring can be uniformly has a large diameter opening hole and can be deformed when the clamping ring can be simultaneously when the clamping ring is matched with the clamping ring and the clamping ring has a central opening with the clamping ring, the radial extrusion force is uniformly generated on the inner conical part of the bearing.

In the technical scheme, the locking ring and the cover body are fixed in a threaded connection mode, the structure is simple, the processing is convenient, the cover body can axially move in a rotary mode, and constructors can conveniently operate.

Preferably, the second elastic open slot comprises elastic outer open slots uniformly distributed on the outer side of the shrink ring and elastic inner open slots uniformly distributed on the inner side of the shrink ring; in the technical scheme, the elastic open grooves are arranged at intervals between the elastic outer open grooves and the elastic inner open grooves, and the elastic open grooves are formed in the inner side and the outer side of the contraction ring, so that acting force required by self deformation can be reduced, construction difficulty is reduced, and deformation can be generated more uniformly when the contraction ring is extruded by the whole body, so that stress uniformity of a machined part is ensured.

Further preferably, the depth of the elastic outer open groove and the depth of the elastic inner open groove are larger than half of the wall thickness of the cover body, and in the technical scheme, the deformation range of the elastic outer open groove and the deformation range of the elastic inner open groove can be ensured to be overlapped, so that deformation can be more uniformly generated when the elastic outer open groove and the elastic inner open groove are extruded by the whole body, and the stress uniformity of a machined part can be ensured.

In the technical scheme, the first positioning part adopts a positioning form of the shoulder, so that the center of the locking ring and the center of the shrinkage ring are ensured to be coincident, and the processing is convenient.

Further preferably, the depth of the first positioning shoulder is smaller than the depth of the first elastic open slot, and in the technical scheme, the depth of the first positioning shoulder is smaller than the depth of the first elastic open slot, so that the contraction ring can be completely placed in the deformation range of the first elastic open slot, and the stress uniformity of the contraction ring is ensured.

In the technical scheme, the second positioning part adopts a positioning form of the shoulder, so that the center of a machined part and the center of the shrink ring are coincident and the machining is convenient.

In the technical scheme, the clamping bottom plate is of the circular structure, so that the tool center and the main shaft center can be conveniently determined to be coincident by adopting a meter in the rotating process.

The tool has the advantages that 1, the shrink ring is used for placing a workpiece and is clamped in the locking ring as an independent component, shrink rings with different inner diameters can be selected according to different diameters of the workpiece, machining of multiple sets of tools is avoided, the machining period of the product can be shortened, the machining cost of the clamp is reduced, meanwhile, space usage caused by placement of the clamp is reduced, 2, elastic open grooves are formed in the inner side and the outer side of the shrink ring in the tool, acting force required by deformation of the tool can be reduced on one hand, construction difficulty is reduced, deformation can be generated more uniformly when the tool is extruded by the whole body on the other hand, so that stress uniformity of the workpiece is guaranteed, 3, the locking ring and the cover body of the tool are fixed in a threaded connection mode, axial movement of the cover body can be realized, locking of the workpiece is realized through extrusion of a taper part by an inclined opening, and the tool is simple in structure, machining difficulty is low, and operation is convenient.

Drawings

Fig. 1 is a schematic perspective view of a single point diamond turning adsorption tool according to a first embodiment;

fig. 2 is a schematic cross-sectional structure of a single point diamond turning adsorption tool according to the first embodiment;

FIG. 3 is a schematic view of a seat according to the first embodiment;

fig. 4 is a schematic structural view of the cover according to the first embodiment;

FIG. 5 is a schematic view of the shrink ring according to the first embodiment;

The clamping device comprises a base body 1, a clamping bottom plate 11, a locking ring 12, a first elastic open groove 121, a first positioning part 122, a conical part 123, an external thread 124, a cover body 2, a 21, a bevel connection port 22, an internal thread 3, a contraction ring 31, a second elastic open groove 311, an elastic inner open groove 312, an elastic outer open groove 32, a second positioning part 4 and a machined part.

Detailed Description

The following description of the embodiments of the present utility model will be made in detail and with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

Examples

As shown in fig. 1 to 5, a single-point diamond turning adsorption tool comprises a base body 1, a shrinkage ring 3 and a cover body 2; the seat body 1 comprises a clamping bottom plate 11 and a locking ring 12 arranged on the clamping bottom plate; the clamping bottom plate is of a circular structure, and the center line of the clamping bottom plate coincides with the center line of the locking ring, so that the tool center coincides with the main shaft center conveniently by adopting a marking table in the rotating process of the tool; the locking ring 12 is in a circular structure, a plurality of first elastic opening grooves 121 are uniformly distributed on the whole body, a conical part 123 is arranged at the top, a first positioning part 122 matched with the shrinkage ring is arranged on the inner wall of the locking ring, a plurality of second elastic opening grooves 31 are uniformly distributed on the whole body of the shrinkage ring 3, a second positioning part 32 matched with the workpiece 4 is arranged in the inside of the shrinkage ring, the cover body 2 is in a circular tubular structure and is detachably connected to the seat body 1, in particular, the locking ring 12 and the cover body 2 are fixed in a threaded connection mode, an external thread 124 is arranged at the root of the locking ring 12, an internal thread 22 matched with the external thread is arranged on the cover body 2, an inclined opening 21 matched with the conical part is arranged on the inner wall of the cover body 2, wherein the shrinkage ring 3 is used for placing the workpiece 4 and is used as an independent part to be clamped in the locking ring 12, the shrinkage ring 3 with different inner diameters can be selected according to different diameters of the workpiece 4 for replacement, multiple sets of tools can be avoided to be processed, the processing period of products can be shortened, meanwhile, the processing cost of the clamp can be reduced, the placing space of the clamp can be reduced, the shrink ring 3 is provided with the second elastic opening ring 31 matched with the elastic opening can be simultaneously, the elastic deformation can be realized when the shrinkage ring can be pressed and deformed at the periphery of the workpiece 4, the center of the shrinkage ring 3 is overlapped with the center of a round machined part, a first elastic opening groove 121 is formed in the whole body of the locking ring 12, the locking ring 12 can be enabled to have rigidity, meanwhile, large and uniform deformation can occur when the whole body is extruded, further, the shrinkage ring 3 is acted, the center of the locking ring 12 is overlapped with the center of the shrinkage ring 3, a conical part 123 is formed at the top of the locking ring 12, an inclined opening 21 matched with the conical part is formed in the inner wall of the cover body 2, and when the cover body is fixed on the locking ring, the inclined opening 21 uniformly generates radial extrusion force on the conical part 123 at the inner side of the cover body in the axial movement process, and further, the shrinkage ring 3 is controlled to lock the machined part 4.

Preferably, the second elastic open slot 31 includes elastic outer open slots 312 uniformly distributed on the outer side of the shrink ring and elastic inner open slots 311 uniformly distributed on the inner side of the shrink ring, wherein the elastic outer open slots 312 and the elastic inner open slots 311 are arranged at intervals, and the inner side and the outer side of the shrink ring 3 are respectively provided with elastic open slots, so that on one hand, the acting force required by self deformation can be reduced, the construction difficulty is reduced, on the other hand, the self can be more uniformly deformed when the self is extruded by the whole body, so as to ensure the stress uniformity of a workpiece, and in order to further ensure the stress uniformity of the workpiece, the depth of the elastic outer open slots 312 and the elastic inner open slots 311 is greater than one half of the wall thickness of the cover body 2, so that the deformation range of the elastic outer open slots and the elastic inner open slots is overlapped, and the deformation can be more uniformly generated when the self is extruded by the whole body, and in order to be convenient for processing parts, the first positioning part 122 is a first positioning shoulder arranged on the inner wall of the shrink ring, and the second positioning part 32 is a second positioning shoulder arranged on the inner wall of the shrink ring, so that the first positioning shoulder is further ensured, and the depth of the shrink ring 3 is more uniformly deformed when the first positioning shoulder is positioned within the first depth of the elastic open slot.

It should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the technical solution described in the above-mentioned embodiments may be modified or some or all of the technical features may be equivalently replaced, and these modifications or substitutions do not deviate from the essence of the corresponding technical solution from the technical solution of the embodiment of the present utility model.

Claims

1. The single-point diamond turning adsorption tool is characterized by comprising a base body, a shrinkage ring and a cover body, wherein the base body comprises a clamping bottom plate and a locking ring arranged on the clamping bottom plate, the locking ring is of a circular structure, a plurality of first elastic open grooves are uniformly distributed on the whole body, a conical part is arranged at the top of the locking ring, a first positioning part matched with the shrinkage ring is arranged on the inner wall of the locking ring, a plurality of second elastic open grooves are uniformly distributed on the whole body of the shrinkage ring, a second positioning part matched with a machined part is arranged inside the shrinkage ring, the cover body is of a circular tubular structure and is detachably connected to the base body, and an inclined opening matched with the conical part is arranged on the inner wall of the cover body.

2. The single point diamond turning adsorption tooling of claim 1, wherein the root of the locking ring is provided with external threads, and the cover body is provided with internal threads matched with the external threads.

3. The single-point diamond turning adsorption tooling according to claim 1, wherein the second elastic open grooves comprise elastic outer open grooves uniformly distributed on the outer side of the shrink ring and elastic inner open grooves uniformly distributed on the inner side of the shrink ring, and the elastic outer open grooves and the elastic inner open grooves are arranged at intervals.

4. The single point diamond turning adsorption tooling of claim 3, wherein the depth of the elastic outer open groove and the elastic inner open groove is greater than one half of the wall thickness of the cover.

5. The single point diamond turning adsorption tooling of claim 1, wherein the first locating portion is a first locating shoulder provided on an inner wall of the locking ring.

6. The single point diamond turning adsorption tooling of claim 5, wherein the first positioning shoulder has a depth less than a depth of the first resilient open slot.

7. The single point diamond turning adsorption tooling of claim 1, wherein the second locating portion is a second locating shoulder provided on an inner wall of the shrink ring.

8. The single point diamond turning adsorption tooling of claim 1, wherein the clamping bottom plate is of a circular structure, and a center line of the clamping bottom plate coincides with a center line of the locking ring.