CN116765879A - Hole elastic thin retainer ring end face turning clamp and application method thereof - Google Patents
Hole elastic thin retainer ring end face turning clamp and application method thereof Download PDFInfo
- Publication number
- CN116765879A CN116765879A CN202310815019.0A CN202310815019A CN116765879A CN 116765879 A CN116765879 A CN 116765879A CN 202310815019 A CN202310815019 A CN 202310815019A CN 116765879 A CN116765879 A CN 116765879A
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- China
- Prior art keywords
- elastic thin
- hole
- retainer ring
- clamping section
- placing groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000003825 pressing Methods 0.000 claims description 17
- 230000007704 transition Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 229910001566 austenite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000004881 precipitation hardening Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a clamp for turning the end face of an elastic thin retainer ring for a hole and a use method of the clamp, and belongs to the technical field of elastic retainer ring manufacturing. The clamp comprises a base and a tensioning assembly, wherein the base is provided with a workpiece placing groove and a chute, the chute is communicated with the workpiece placing groove, the tensioning assembly is connected with the base through a locking assembly, and one end of the tensioning assembly can extend into the workpiece placing groove through the chute. Compared with the traditional processing mode of manually grinding the end surfaces of the two ends of the elastic thin check ring, the turning clamp provided by the invention can avoid the ultra-poor thickness dimension of the elastic thin check ring or the parallelism of the two end surfaces, and the processed elastic thin check ring has stable quality, small labor intensity and high production efficiency.
Description
Technical Field
The invention relates to a clamp for turning the end face of an elastic thin retainer ring for a hole and a use method thereof, and belongs to the technical field of manufacturing of elastic retainer rings.
Background
In the field of aeroengines, the circlip for holes plays a limiting role on parts such as bearings, and the thickness dimension of the circlip directly influences the assembly quality of the engine, so that the running reliability and safety of the engine are further influenced. As shown in fig. 1, the circlip 1 to be processed is a narrow annular thin plate product with different inner and outer circles and openings, the material of the circlip to be processed is 0Cr17Ni7Al, semi-austenite precipitation hardening stainless steel has weak magnetism, the width of the narrow ring is 1mm, the suction force generated by the narrow ring and a grinding machine platform is insufficient to reduce the anti-grinding force, and the end surface plane grinding cannot be realized. For the elastic retainer ring, the traditional process comprises linear cutting, drilling and manually polishing the planes at the two ends by using a thin plate, but the parallelism of the thickness dimension or the two end surfaces is easy to be out of tolerance due to the fact that the elastic retainer ring is thinner, the manual grinding force is uneven, and the like, so that the quality of a product is extremely unstable, the labor intensity is high, and the production efficiency is low.
Disclosure of Invention
In order to solve the technical problems, the invention provides a clamp for turning the end face of an elastic thin retainer ring for a hole and a using method thereof.
The invention is realized by the following technical scheme:
the utility model provides a hole is with elastic thin retaining ring terminal surface turning fixture, includes base and tight subassembly that rises, be equipped with work piece standing groove and spout on the base, and spout and work piece standing groove intercommunication, tight subassembly that rises passes through locking component and is connected with the base, and the one end that rises tight subassembly can extend to in the work piece standing groove through the spout.
The base comprises a workpiece clamping section and a clamping section which are coaxially arranged, one end of the clamping section is connected with one end of the workpiece clamping section, the cross section shapes of the clamping section and the workpiece clamping section are round, the diameter of the clamping section is smaller than that of the workpiece clamping section, and the workpiece placing groove and the chute are located on the end face of one end, far away from the clamping section, of the workpiece clamping section.
The workpiece placing groove is a circular groove, the diameter of the workpiece placing groove is consistent with the diameter of the outer circle of the elastic thin check ring, and the depth of the workpiece placing groove is consistent with the lower limit value of the thickness of the elastic thin check ring of the finished product.
The chute is a rectangular chute, and the width of the chute is larger than the opening width of the elastic thin retainer ring.
The tensioning assembly is a pressing block, the pressing block is L-shaped and comprises a locking plate and a connecting plate, and one end of the connecting plate is connected with one end of the locking plate.
The locking plate is in clearance fit with the sliding groove, and one end, far away from the connecting plate, of the locking plate is chamfered to form two inclined planes, and an included angle between the two inclined planes is consistent with an included angle between two arc-shaped end faces of the elastic thin retainer ring.
The locking assembly comprises a screw and a cylindrical pin, a through hole A and a through hole B are formed in the connecting plate, a threaded hole is formed in the base at the position corresponding to the through hole A, a blind hole is formed in the position corresponding to the through hole B, one end of the screw penetrates through the through hole A to be connected with the threaded hole, and one end of the cylindrical pin penetrates through the through hole B to be connected with the blind hole.
The cylindrical pin is in clearance fit with the through hole B and is in transition fit or interference fit with the blind hole.
And a spring is sleeved between the pressing block and the base on the screw.
The application method of the elastic thin retainer ring end face turning clamp for the hole comprises the following steps:
A. connecting the base with a lathe spindle;
B. placing the elastic thin retainer ring to be processed into a workpiece placing groove, rotating the elastic thin retainer ring to enable the opening of the elastic thin retainer ring to be located at the inner side of the sliding groove, and then pressing the elastic thin retainer ring to enable one end face of the elastic thin retainer ring to be attached to the bottom face of the workpiece placing groove so as to position the outer circle and one end face of the elastic thin retainer ring through the workpiece placing groove;
C. the screw is screwed down, one end, far away from the connecting plate, of the locking plate is pushed against the opening of the elastic thin check ring, so that the elastic thin check ring generates micro deformation to expand outwards, and the elastic thin check ring is fixedly clamped in the workpiece placing groove;
D. starting a lathe, and turning one end face of the elastic thin retainer ring;
E. closing the lathe, loosening the screw, taking out the elastic thin retainer ring, turning over, and repeating the step B and the step C;
F. and starting the lathe, and turning the end surface of the other end of the elastic thin retainer ring.
The invention has the beneficial effects that:
1. compared with the traditional processing mode of manually grinding the end surfaces of the two ends of the elastic thin check ring, the turning clamp provided by the invention can avoid the ultra-poor thickness dimension of the elastic thin check ring or the parallelism of the two end surfaces, and the processed elastic thin check ring has stable quality, small labor intensity and high production efficiency.
2. The contained angle between two inclined planes on the locking plate is consistent with the contained angle between the two arc-shaped end faces of the elastic thin check ring, so that the two inclined planes can form surface contact with the two arc-shaped end faces of the elastic thin check ring, when the locking plate pushes the opening of the elastic thin check ring, the surface contact can enable the two arc-shaped ends of the elastic thin check ring to deform outwards uniformly, the two ends of the elastic thin check ring are prevented from buckling deformation, and the end face processing quality of the elastic thin check ring is improved.
3. The spring keeps a compression state, and when the screw is loosened, the pressing block automatically moves to a direction away from the workpiece placing groove under the action of the spring, so that the elastic thin retainer ring is convenient to assemble and disassemble.
4. The clamping of the elastic thin retainer ring is fixed and detached, only one screw is needed for control, the clamp is simple to operate and convenient to use, and the processing efficiency of the elastic thin retainer ring can be improved.
5. The fixture has the advantages of simple structure, low manufacturing cost, convenient assembly and disassembly, strong universality, capability of stably and reliably clamping workpieces and the like.
Drawings
FIG. 1 is a schematic view of the structure of a circlip;
FIG. 2 is a schematic diagram of a front view structure of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is a schematic top view of the present invention;
FIG. 5 is a schematic diagram of a front view of a base of the present invention;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
FIG. 7 is a schematic top view of the base of the present invention;
FIG. 8 is a schematic diagram showing the front view of the compact of the present invention;
FIG. 9 is a schematic top view of the compact of the present invention;
fig. 10 is a schematic left-hand structural view of the compact of the present invention.
In the figure: the clamping device comprises a 1-elastic thin retainer ring, a 2-base, a 20-workpiece placing groove, a 21-sliding groove, a 22-threaded hole, a 23-blind hole, a 24-workpiece clamping section, a 25-clamping section, a 3-screw, a 4-cylindrical pin, a 5-pressing block, a 50-locking plate, a 500-inclined plane, a 51-connecting plate, a 52-through hole A, a 53-through hole B and a 6-spring.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the above.
As shown in fig. 1 to 10, the end face turning clamp for the elastic thin retainer ring for the hole comprises a base 2 and a tensioning assembly, wherein a workpiece placing groove 20 and a sliding groove 21 are formed in the base 2, the sliding groove 21 is communicated with the workpiece placing groove 20, the tensioning assembly is connected with the base 2 through a locking assembly, and one end of the tensioning assembly can extend into the workpiece placing groove 20 through the sliding groove 21. When the lathe is used, the base 2 is connected with a lathe spindle, the elastic thin retainer ring 1 is positioned through the workpiece placing groove 20, the tensioning assembly is locked and fixed on the base 2 through the locking assembly, the opening of the elastic thin retainer ring 1 is pushed by the tensioning assembly to be outwards expanded and fixed in the workpiece placing groove 20 in the process, then the lathe is started, one end face of the elastic thin retainer ring 1 can be turned, after one end face machining is finished, the elastic thin retainer ring 1 is turned, the process is repeated, and the other end face of the elastic thin retainer ring 1 can be turned. Compared with the traditional processing mode of manually grinding the end faces at the two ends of the elastic thin check ring 1, the turning clamp provided by the invention can avoid the ultra-poor thickness dimension or the parallelism of the two end faces of the elastic thin check ring 1, and the processed elastic thin check ring 1 has stable quality, small labor intensity and high production efficiency.
The base 2 comprises a workpiece clamping section 24 and a clamping section 25 which are coaxially arranged, one end of the clamping section 25 is connected with one end of the workpiece clamping section 24, the cross section shapes of the clamping section 25 and the workpiece clamping section 24 are circular, the diameter of the clamping section 25 is smaller than that of the workpiece clamping section 24, and the workpiece placing groove 20 and the sliding groove 21 are positioned on the end face of the workpiece clamping section 24, which is far away from the clamping section 25. When the clamping section 25 is used for being connected with a lathe spindle, the diameter of the clamping section 25 is smaller than that of the workpiece clamping section 24, and the base 2 is positioned and clamped on the lathe spindle by utilizing a step surface formed between the clamping section 25 and the workpiece clamping section 24.
The workpiece placing groove 20 is a circular groove, the diameter of the workpiece placing groove 20 is consistent with the diameter of the outer circle of the elastic thin retainer ring 1, and the depth of the workpiece placing groove 20 is consistent with the lower limit value of the thickness of the finished elastic thin retainer ring 1. When the elastic thin retainer ring 1 is used, the elastic thin retainer ring 1 can be freely placed in the workpiece placing groove 20, the outer circle of the elastic thin retainer ring 1 is positioned through the side wall of the workpiece placing groove 20, and the end face of one end of the elastic thin retainer ring 1 is positioned through the bottom surface of the workpiece placing groove 20.
The sliding groove 21 is a rectangular groove, and the width of the sliding groove 21 is larger than the opening width of the elastic thin retainer ring 1. In use, the width of the sliding groove 21 is slightly larger than the opening width of the elastic thin retainer ring 1, so that one end, far away from the connecting plate 51, of the locking plate 50 can be abutted against the opening of the elastic thin retainer ring 1, and the elastic thin retainer ring 1 is outwards expanded.
The tensioning assembly is a pressing block 5, the pressing block 5 is L-shaped and comprises a locking plate 50 and a connecting plate 51, and one end of the connecting plate 51 is connected with one end of the locking plate 50.
The locking plate 50 is in clearance fit with the chute 21, and one end, far away from the connecting plate 51, of the locking plate 50 is chamfered to form two inclined planes 500, and an included angle between the two inclined planes 500 is consistent with an included angle between two arc-shaped end faces of the elastic thin retainer ring 1. In use, the sides of the chute 21 are smooth so that the locking plate 50 slides within the chute 21. The included angle between the two inclined planes 500 on the locking plate 50 is consistent with the included angle between the two arc-shaped end faces of the elastic thin retainer ring 1, so that the two inclined planes 500 can form surface contact with the two arc-shaped end faces of the elastic thin retainer ring 1, when the locking plate 50 pushes the opening of the elastic thin retainer ring 1, the surface contact can enable the two arc-shaped ends of the elastic thin retainer ring 1 to deform uniformly and expand outwards, buckling deformation of the two ends of the elastic thin retainer ring 1 is avoided, and the end face machining quality of the elastic thin retainer ring 1 is improved.
The locking component comprises a screw 3 and a cylindrical pin 4, a through hole A52 and a through hole B53 are formed in a connecting plate 51, a threaded hole 22 is formed in a position corresponding to the through hole A52 in the base 2, a blind hole 23 is formed in a position corresponding to the through hole B53, one end of the screw 3 penetrates through the through hole A52 to be connected with the threaded hole 22, and one end of the cylindrical pin 4 penetrates through the through hole B53 to be connected with the blind hole 23. The pressing block 5 is connected with the base 2 through the screw 3, and the cylindrical pin 4 is used for limiting the movement of the pressing block 5 in the axial direction of the base 2.
The cylindrical pin 4 is in clearance fit with the through hole B53 and is in transition fit or interference fit with the blind hole 23. When the clamp is used, the cylindrical pin 4 is in transition fit or interference fit with the blind hole 23, so that the cylindrical pin 4 is fixed on the base 2, and the cylindrical pin 4 is prevented from being separated from the blind hole 23 in the using process of the clamp.
The screw 3 is sleeved with a spring 6 between the pressing block 5 and the base 2. The spring 6 is kept in a compressed state, and when the screw 3 is loosened, the pressing block 5 automatically moves away from the workpiece placing groove 20 under the action of the spring 6, so that the elastic thin retainer ring 1 is convenient to assemble and disassemble.
The application method of the elastic thin retainer ring end face turning clamp for the hole comprises the following steps:
A. connecting the base 2 with a lathe spindle;
B. placing the elastic thin retainer ring 1 to be processed into the workpiece placing groove 20, rotating the elastic thin retainer ring 1 to enable the opening of the elastic thin retainer ring to be located at the inner side of the sliding groove 21, and then pressing the elastic thin retainer ring 1 to enable one end face of the elastic thin retainer ring to be attached to the bottom face of the workpiece placing groove 20 so as to position the outer circle and one end face of the elastic thin retainer ring 1 through the workpiece placing groove 20;
C. the screw 3 is screwed down, one end, far away from the connecting plate 51, of the locking plate 50 is pushed against the opening of the elastic thin retainer ring 1, so that the elastic thin retainer ring 1 generates micro deformation in the radial direction and expands outwards, and the elastic thin retainer ring 1 is fixedly clamped in the workpiece placing groove 20;
D. starting a lathe, and turning one end face of the elastic thin retainer ring 1;
E. closing the lathe, loosening the screw, taking out the elastic thin retainer ring 1, turning over, and repeating the step B and the step C;
F. starting the lathe, and turning the end face of the other end of the elastic thin retainer ring 1.
Claims (10)
1. The utility model provides a hole is with elastic thin retaining ring terminal surface car anchor clamps which characterized in that: including base (2) and tight subassembly that rises, be equipped with work piece standing groove (20) and spout (21) on base (2), and spout (21) and work piece standing groove (20) intercommunication, tight subassembly that rises passes through locking component and is connected with base (2), and the one end of tight subassembly that rises can extend to in work piece standing groove (20) through spout (21).
2. The circlip end surface turning clamp for hole as defined in claim 1, wherein: the base (2) comprises a workpiece clamping section (24) and a clamping section (25) which are coaxially arranged, and one end of the clamping section (25) is connected with one end of the workpiece clamping section (24); the cross sections of the clamping section (25) and the workpiece clamping section (24) are circular, and the diameter of the clamping section (25) is smaller than that of the workpiece clamping section (24); the workpiece placing groove (20) and the sliding groove (21) are positioned on the end face of the workpiece clamping section (24) far away from the clamping section (25).
3. The circlip end surface turning clamp for hole as defined in claim 1, wherein: the workpiece placing groove (20) is a circular groove, the diameter of the workpiece placing groove (20) is consistent with the diameter of the outer circle of the elastic thin retainer ring (1), and the depth of the workpiece placing groove (20) is consistent with the lower limit value of the thickness of the finished elastic thin retainer ring (1).
4. The circlip end surface turning clamp for hole as defined in claim 1, wherein: the sliding groove (21) is a rectangular groove, and the width of the sliding groove (21) is larger than the opening width of the elastic thin retainer ring (1).
5. The circlip end surface turning clamp for hole as defined in claim 1, wherein: the tensioning assembly is a pressing block (5), the pressing block (5) is L-shaped and comprises a locking plate (50) and a connecting plate (51), and one end of the connecting plate (51) is connected with one end of the locking plate (50).
6. The circlip end surface turning clamp for hole in accordance with claim 5 wherein: the locking plate (50) is in clearance fit with the sliding groove (21), one end, far away from the connecting plate (51), of the locking plate (50) is chamfered to form two inclined planes (500), and an included angle between the two inclined planes (500) is consistent with an included angle between two arc-shaped end faces of the elastic thin retainer ring (1).
7. The circlip end surface turning clamp for hole in accordance with claim 5 wherein: the locking assembly comprises a screw (3) and a cylindrical pin (4), a through hole A (52) and a through hole B (53) are formed in a connecting plate (51), a threaded hole (22) is formed in a position, corresponding to the through hole A (52), of the base (2), a blind hole (23) is formed in a position, corresponding to the through hole B (53), one end of the screw (3) penetrates through the through hole A (52) to be connected with the threaded hole (22), and one end of the cylindrical pin (4) penetrates through the through hole B (53) to be connected with the blind hole (23).
8. The circlip end surface turning clamp for hole in accordance with claim 7 wherein: the cylindrical pin (4) is in clearance fit with the through hole B (53) and is in transition fit or interference fit with the blind hole (23).
9. The circlip end surface turning clamp for hole in accordance with claim 7 wherein: a spring (6) is sleeved between the pressing block (5) and the base (2) on the screw (3).
10. A method of using the circlip end surface turning clamp for hole as defined in any one of claims 1 to 9, wherein: the method comprises the following steps:
A. connecting the base (2) with a lathe spindle;
B. placing the elastic thin retainer ring (1) to be processed into a workpiece placing groove (20), rotating the elastic thin retainer ring (1) to enable the opening of the elastic thin retainer ring to be located at the inner side of the sliding groove (21), and then pressing the elastic thin retainer ring (1) to enable one end face of the elastic thin retainer ring to be attached to the bottom face of the workpiece placing groove (20), so that the outer circle and one end face of the elastic thin retainer ring (1) are positioned through the workpiece placing groove (20);
C. the screw (3) is screwed down, one end, far away from the connecting plate (51), of the locking plate (50) is pushed against the opening of the elastic thin check ring (1), so that the elastic thin check ring (1) generates micro deformation to expand outwards, and the elastic thin check ring (1) is fixedly clamped in the workpiece placing groove (20);
D. starting a lathe, and turning one end face of the elastic thin retainer ring (1);
E. closing the lathe, loosening the screw, taking out the elastic thin retainer ring (1) and turning over, and repeating the step B and the step C;
F. and starting the lathe, and turning the end surface of the other end of the elastic thin retainer ring (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310815019.0A CN116765879A (en) | 2023-07-05 | 2023-07-05 | Hole elastic thin retainer ring end face turning clamp and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310815019.0A CN116765879A (en) | 2023-07-05 | 2023-07-05 | Hole elastic thin retainer ring end face turning clamp and application method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116765879A true CN116765879A (en) | 2023-09-19 |
Family
ID=87989396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310815019.0A Pending CN116765879A (en) | 2023-07-05 | 2023-07-05 | Hole elastic thin retainer ring end face turning clamp and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116765879A (en) |
-
2023
- 2023-07-05 CN CN202310815019.0A patent/CN116765879A/en active Pending
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