CN218856230U - Deformation type combined clamp for processing cylindrical optical cavity - Google Patents
Deformation type combined clamp for processing cylindrical optical cavity Download PDFInfo
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- CN218856230U CN218856230U CN202223003055.7U CN202223003055U CN218856230U CN 218856230 U CN218856230 U CN 218856230U CN 202223003055 U CN202223003055 U CN 202223003055U CN 218856230 U CN218856230 U CN 218856230U
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- positioning ring
- chuck
- screw cap
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- base
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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Abstract
The utility model belongs to the optical part clamping and processing technology and discloses a deformation type combined clamp for processing a cylindrical optical cavity, wherein a base comprises an integrated cylinder bottom and an upper end part positioning ring; a part avoiding groove is formed in the middle of the upper surface of the cylinder; four chuck grooves are arranged on the part positioning ring at equal intervals; the outer surface of the part positioning ring is provided with threads; the optical cavity to be processed is placed in the part positioning ring; the chuck comprises an integrated chuck positioning ring and four clamping jaws, and each clamping jaw is connected with the chuck positioning ring through a deformed thin wall; the chuck is sleeved outside the base, the chuck positioning ring is in clearance fit with the cylindrical body of the base and is fixed with the cylindrical body, and the four clamping jaws are positioned in the four chuck grooves; the screw cap is in a circular ring shape, and the inner surface of the screw cap is divided into an upper threaded section and a lower inclined plane section; the upper thread section is in threaded fit with the base part positioning ring, and the screw cap can axially move along the part positioning ring so as to drive the inclined surface section to extrude the four clamping claws to fix the optical cavity.
Description
Technical Field
The utility model belongs to optical element centre gripping processing technique, concretely relates to cylindrical optics cavity processing is with deformation formula modular fixture.
Background
The optical cavity is a core part of a laser gyro resonant cavity, the height of a certain cylindrical cavity can reach 200mm, the diameter can reach 80mm, a plurality of through holes and blind holes are distributed on the upper surface, the lower surface and the side surface, and the requirements on geometric indexes such as the positions and included angles of the holes are high, so that the optical cavity belongs to the key structural characteristics of the cavity.
In the processing of the optical cavity, the cavity needs to be mounted on a machine tool by using a tool clamping or bonding method, and then the machine tool completes the forming processing of the key structure. As the upper surface, the lower surface and the side surface of the cylindrical cavity are provided with the punching positions, sufficient processing space needs to be reserved, and a bonding method is generally used. For a cavity with a large volume, due to space restriction, bonding glue can only be coated on the bottom surface of the heating cavity and the positioning surface of the positioning tool, the surfaces of the heating plate and the positioning tool are simultaneously processed by the heating plate to melt the bonding glue so as to complete bonding, and the whole bonding process generally needs more than 12 hours. In addition, in order to guarantee heating efficiency, an outer edge structure cannot be arranged on a positioning surface of the positioning tool, so that the cavity is connected with the positioning tool only by virtue of bonding glue, the positioning precision does not exist between the tool and the cavity, the positioning is carried out by depending on a machine tool probe during machining, and meanwhile, the cavity has a falling risk during side machining. The above factors affect the efficiency, precision and quality of cavity forming processing.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a unique deformation formula modular fixture of structure. The clamp comprises a base, a clamping head and a screw cap. The optical cavity is arranged in a positioning hole on the base, the chuck is sleeved on the base, the clamping claws of the chuck surround the periphery of the bottom of the optical cavity, the screw cap is sleeved outside the clamping claws, and the clamping claws deform by moving up and down to firmly clamp the optical cavity of the column. The utility model discloses it is convenient to dismantle, and positioning accuracy has been guaranteed to the locating hole, and the clamping jaw provides sufficient clamping-force in limited clamping space, has improved cylindrical optics cavity contour machining's efficiency, precision and quality.
A deformation type combined clamp for processing a cylindrical optical cavity comprises a base, a chuck and a screw cap;
the base comprises an integrated cylinder bottom and an upper end part positioning ring; a part avoiding groove is formed in the middle of the upper surface of the cylinder; four chuck grooves are formed in the part positioning ring at equal intervals; the outer surface of the part positioning ring is provided with threads; the optical cavity to be processed is placed in the part positioning ring;
the chuck comprises an integrated chuck positioning ring and four clamping jaws, and each clamping jaw is connected with the chuck positioning ring through a deformed thin wall;
the chuck is sleeved on the outer side of the base, the chuck positioning ring is in clearance fit with the cylindrical body of the base and is fixed with the cylindrical body, and the four clamping jaws are positioned in the four chuck grooves;
the screw cap is annular, and the inner surface of the screw cap is divided into an upper threaded section and a lower inclined plane section; the upper thread section is in threaded fit with a base part positioning ring, and the screw cap can axially move along the part positioning ring, so that the inclined plane section is driven to extrude the four clamping claws to fix the optical cavity.
Further, the inner surface of the part positioning ring is in clearance fit with the cylindrical optical cavity to be processed.
Further, each clamping jaw of the chuck comprises: the optical cavity machining device comprises an inclined plane section and a straight section, wherein the straight section is used for clamping a cylindrical optical cavity to be machined, and the inclined plane section is used for being matched with the inclined plane section of the screw cap to control the tightness of the chuck.
Furthermore, the diameter of the upper end face of the inclined section of the screw cap is larger than that of the lower end face, and the diameter of the upper end face is smaller than the outer diameter of the positioning ring of the base part.
Furthermore, an inner groove is arranged between the inclined section of the screw cap and the thread section, and the diameter of the inner groove is larger than that of the thread section.
Furthermore, the outer end face of the screw cap is provided with a radial wrench hole.
The utility model has the advantages that: the positioning accuracy of clamping has been guaranteed to the locating hole of base, and sufficient clamping-force under the limited clamping space has been guaranteed to chuck deformation structure, and threaded connection has guaranteed the convenience of operation, has improved cylindrical optical cavity contour machining's efficiency, precision and quality.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the following description will be given with reference to the accompanying drawings.
FIG. 1 is a schematic view of the overall assembly of a deformation type combined clamp of the present invention;
FIG. 2 is a schematic view of the base structure of the present invention;
fig. 3 is a cross-sectional view of the base of the present invention;
FIG. 4 is a schematic view of the chuck structure of the present invention;
FIG. 5 is a schematic view of the screw cap structure of the present invention;
1-base, 2-chuck, 3-screw cap, 4-part locating slot, 5-part locating slot external thread, 6-clamping claw slot, 7-part evasion slot, 8-root annular slot, 9-chuck locating shaft, 10-chuck locating shaft threaded hole, 11-installation threaded hole, 12-base evasion slot, 13-clamping claw, 14-clamping claw inclined plane structure, 15-deformed thin wall, 16-chuck locating ring, 17-chuck locating ring threaded hole, 18-screw cap internal thread, 19-screw cap inclined plane structure, 20-wrench hole, 21-internal slot and 22-knurling.
Detailed Description
This section is an embodiment of the present invention for explaining and explaining the technical solution of the present invention.
A deformation type combined clamp for processing a cylindrical optical cavity comprises a base, a chuck and a screw cap.
The base includes the part constant head tank of integrative chuck location axle rather than top, and equidistant division has four chuck grooves on the part constant head tank, and the part constant head tank outside is threaded, treats that the optical cavity of processing arranges in the part constant head tank.
The chuck comprises an integrated chuck positioning ring and four clamping jaws above the integrated chuck positioning ring, the root of the joint of each clamping jaw and the positioning ring is a deformable thin wall, and an inclined surface structure is arranged on the outer side of each clamping jaw. The chuck is sleeved on the chuck positioning shaft of the base through the chuck positioning ring and fixed through screws, and the four clamping jaws are arranged in the four chuck grooves of the base part positioning groove.
The screw cap is annular, and the inner surface is divided into an upper thread section and a lower inclined surface section. The thread section of the screw cap is in external thread fit with the part positioning groove of the base, so that the screw cap is sleeved on the part positioning groove of the base, when the screw cap moves upwards along the axial direction, the inclined plane structure of the screw cap presses the inclined plane structure of the clamping jaw, and the deformation thin wall at the root of the clamping jaw deforms inwards, so that the clamping jaw clamps the optical cavity to be processed.
The fit clearance between the part positioning groove and the cylindrical optical cavity to be processed is 0.01mm; a part avoiding groove is formed in the center of the bottom of the part positioning groove, so that clamping errors caused by part deformation are prevented; the root part of the inner surface of the bottom of the part positioning groove is provided with a root part annular groove, so that the clamping error caused by machining error is prevented;
a mounting threaded hole is formed in the bottom of the part positioning groove and used for connecting the base to an EROWA positioning tool; a base avoiding groove is formed in the bottom of the positioning shaft, so that installation errors caused by deformation of the base are prevented;
the fit clearance between the chuck positioning shaft and the chuck positioning ring is 0.05mm; the chuck positioning shaft and the side surface of the chuck positioning ring are provided with threaded holes which are distributed at the same interval and are used for fixing a chuck; the inner diameter of the clamping jaw is more than 2mm larger than the diameter of the positioning shaft, and a deformation space is reserved; the inner diameter of the head of the clamping claw is 0.1mm larger than the diameter of the optical cavity to be processed;
an inner groove is formed in the bottom of the threaded section of the screw cap, and the diameter of the inner groove is larger than that of the threaded section, so that the integrity of the machined thread is guaranteed; the maximum outer diameter of the clamping jaw is smaller than the inner diameter of the screw thread of the screw cap, so that the clamping jaw can be sleeved in the screw cap.
The slope of the inclined plane structure of the clamping jaw is the same as that of the inclined plane structure below the lower section of the screw cap, so that the clamping jaw is conveniently extruded by the screw cap to deform; the small diameter of the clamping jaw inclined plane structure is smaller than the large diameter of the screw cap inclined plane structure, and the large diameter of the clamping jaw inclined plane structure is larger than the small diameter of the screw cap inclined plane structure;
the outer surface of the screw cap is provided with knurls, so that the screw cap is convenient to assemble and disassemble manually; the outer surface is provided with a radial wrench hole, which is convenient for using a wrench to assemble and disassemble parts.
The utility model discloses anchor clamps application method as follows:
step 1: combined clamp
The base 1 and the chuck 2 are assembled and positioned by the positioning shaft 10 and the chuck positioning hole 15. The screw cap 3 is screwed upwards, sleeved from the bottom of the base 1, manually pre-tightened through the knurls 22, and tightly connected with the screw cap 3 and the base 1 by virtue of the external threads 5 and the internal threads 18, and the internal groove 21 is used for preventing the screw cap from being screwed over and falling off. The chuck is fixed by connecting the positioning shaft threaded hole 11 and the fixing screw threaded hole 17 through the fixing screw mounting hole 16 by using a screw.
And 2, step: installation tool
The base is fixed on a machine tool positioning tool through a tool screw mounting hole 8 and a tool connecting threaded hole 12 by using screws, and a tool contact groove 11 is reserved deformation allowance.
And step 3: clamping part
And placing the part into the part positioning hole 4, wherein the part positioning inner groove 6 and the part positioning ring groove 7 are reserved deformation allowance. When a wrench is inserted into the wrench hole 20 and the screw cap 3 is tightened, the inclined surface structure 19 presses the clamping jaw 13 to deform the thin deformation wall 14, thereby clamping the part.
Claims (6)
1. A deformation type combined clamp for processing a cylindrical optical cavity is characterized by comprising a base, a chuck and a screw cap;
the base comprises an integrated cylindrical bottom and an upper end part positioning ring; a part avoiding groove is formed in the middle of the upper surface of the cylinder; four chuck grooves are formed in the part positioning ring at equal intervals; the outer surface of the part positioning ring is provided with threads; the optical cavity to be processed is placed in the part positioning ring;
the chuck comprises an integrated chuck positioning ring and four clamping jaws, and each clamping jaw is connected with the chuck positioning ring through a deformed thin wall;
the chuck is sleeved on the outer side of the base, the chuck positioning ring is in clearance fit with the cylindrical body of the base and is fixed with the cylindrical body, and the four clamping jaws are positioned in the four chuck grooves;
the screw cap is annular, and the inner surface of the screw cap is divided into an upper threaded section and a lower inclined plane section; the upper thread section is in threaded fit with a base part positioning ring, and the screw cap can axially move along the part positioning ring, so that the inclined plane section is driven to extrude the four clamping claws to fix the optical cavity.
2. A variation form jig according to claim 1 wherein the inner surface of the part positioning ring is clearance fitted to the cylindrical optical cavity to be machined.
3. A variation form combined clamp according to claim 1, wherein each clamping jaw of the clamping head comprises: the clamp comprises an inclined plane section and a straight section, wherein the straight section is used for clamping a cylindrical optical cavity to be machined, and the inclined plane section is used for being matched with the inclined plane section of the screw cap so as to control the tightness of the chuck.
4. A deformation type combined clamp according to claim 1, wherein the diameter of the upper end surface of the inclined section of the screw cover is larger than that of the lower end surface, and the diameter of the upper end surface is smaller than the outer diameter of the positioning ring of the base part.
5. A deformation type combined clamp according to claim 4, wherein an inner groove is arranged between the inclined section of the screw cap and the threaded section, and the diameter of the inner groove is larger than that of the threaded section.
6. A deformation type combination clamp according to claim 4, wherein a radial wrench hole is formed on the outer end face of the screw cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223003055.7U CN218856230U (en) | 2022-11-11 | 2022-11-11 | Deformation type combined clamp for processing cylindrical optical cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223003055.7U CN218856230U (en) | 2022-11-11 | 2022-11-11 | Deformation type combined clamp for processing cylindrical optical cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218856230U true CN218856230U (en) | 2023-04-14 |
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ID=87367402
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223003055.7U Active CN218856230U (en) | 2022-11-11 | 2022-11-11 | Deformation type combined clamp for processing cylindrical optical cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218856230U (en) |
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2022
- 2022-11-11 CN CN202223003055.7U patent/CN218856230U/en active Active
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