CN210588209U - Tool clamp for machining circumferential hole of switch machine piston rod - Google Patents
Tool clamp for machining circumferential hole of switch machine piston rod Download PDFInfo
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- CN210588209U CN210588209U CN201921062791.5U CN201921062791U CN210588209U CN 210588209 U CN210588209 U CN 210588209U CN 201921062791 U CN201921062791 U CN 201921062791U CN 210588209 U CN210588209 U CN 210588209U
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- piston rod
- base
- block
- fixed support
- positioning rod
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Abstract
The utility model relates to a frock clamp for processing goat piston rod circumference hole, this frock clamp includes base (1), fixed piece (2) and locator (3), base (1) is the cuboid cubic, fixed piece (2) are the cuboid cubic, be provided with V-arrangement mounting groove (21) on it, a plurality of fixed piece (2) parallel arrangement are on base (1), V-arrangement mounting groove (21) up, locator (3) are including installation piece (31), locating lever (32) and compression spring (33), the front end of locating lever (32) is circular truncated cone form, inserts in the piston rod circumference hole, the utility model discloses simple structure, the function is practical, and the clamping location is convenient accurate, can guarantee the machining precision, and many processing of clamping shorten the clamping preparation time, improves machining efficiency, reduces the processing cost.
Description
Technical Field
The utility model relates to a frock utensil for the machining, concretely relates to frock clamp for processing goat piston rod circumference hole.
Background
The switch machine is an actuator of a railway switch control system and is used for switching and locking switch points or point rails and indicating the positions and states of the switch points or point rails in a supervision interlocking area. The structure of the switch machine is mainly divided into: the device comprises a power mechanism, a conversion locking mechanism and a locking display mechanism. The piston rod is an important action executing part in the switch locking mechanism of the switch machine, as shown in fig. 3, the shape of the piston rod part is a step cylinder, a plurality of cylinder surfaces of the piston rod part are uniformly processed with circumferential holes, and the existing method for processing the circumferential holes comprises the following steps: the piston rod part is repeatedly clamped on the dividing head for many times, and the dividing head is shaken for processing, but the processing precision is low, and the processing efficiency is low.
At present, in the rapid development period of high-speed railways in China, the demand of switch machines is very large, and the machining of piston rods serving as important action execution parts in a switch machine conversion locking mechanism needs to ensure both quality and quantity, so that a set of tool clamp is very necessary to be designed for machining the piston rods to improve the machining efficiency.
Disclosure of Invention
The utility model aims to solve the not enough of prior art existence, provide a frock clamp for processing goat piston rod circumference hole, simple structure, the function is practical, and the clamping location is convenient accurate, can guarantee the machining precision, and many processing of a clamping shorten the clamping preparation time, improve machining efficiency, reduce the processing cost.
The utility model adopts the technical proposal that: a frock clamp for processing the circumferential hole of the piston rod of a switch machine comprises a base 1, a fixed support block 2 and a positioner 3, wherein the base 1 is in a cuboid block shape, a fixed connecting hole 11 is arranged on the base, the fixed support block 2 is in a cuboid block shape, a V-shaped mounting groove 21 is arranged on the fixed support block, a plurality of fixed support blocks 2 are arranged on the base 1 in parallel, the V-shaped mounting groove 21 is upward, a fastening bolt 22 is arranged above the fixed support block 2, a pressing plate 23 and a fastening nut 24 are arranged on the fastening bolt 22, the positioner 3 comprises a mounting block 31, a positioning rod 32 and a compression spring 33, the mounting block 31 is arranged on the base 1, a step mounting guide hole 34 is arranged in the middle of the mounting block, the positioning rod 32 is arranged in the step mounting guide hole 34, the front end and the rear end of the positioning rod extend to the outside of the mounting block 31, the front end of the positioning rod 32, inserted within the stepped mounting guide hole 34.
Compared with the prior art, the utility model following beneficial effect has: simple structure, the function is practical, and the clamping location is convenient accurate, can guarantee the machining precision, and many processing of a clamping shorten the clamping preparation time, improve machining efficiency, reduce the processing cost.
Drawings
Figure 1 is a schematic structural diagram of the present invention,
figure 2 is a top view of figure 1,
fig. 3 is a schematic external view of the piston rod part.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
As shown in figures 1 and 2, a tooling fixture for processing a circumferential hole of a switch machine piston rod comprises a base 1, a fixed support block 2 and a positioner 3, wherein the base 1 is in a cuboid block shape and is provided with a fixed connecting hole 11, the fixed support block 2 is in a cuboid block shape and is provided with a V-shaped mounting groove 21, the two fixed support blocks 2 are arranged on the base 1 in parallel, the V-shaped mounting groove 21 faces upwards, a fastening bolt 22 is arranged above the fixed support block 2, the fastening bolt 22 is provided with a pressure plate 23 and a fastening nut 24, the positioner 3 comprises a mounting block 31, a positioning rod 32 and a compression spring 33, the mounting block 31 is arranged on the base 1, a step mounting guide hole 34 is arranged in the middle of the mounting block, the positioning rod 32 is arranged in the step mounting guide hole 34, the front end and the rear end of the positioning rod extend to the outside of the mounting block 31, the front end of the positioning rod 32 is, the compression spring 33 is fitted around the positioning rod 32 and inserted into the stepped mounting guide hole 34.
The fixture is fixedly arranged on a working platform of a processing machine tool through a fixed connecting hole 11 on a base 1, piston rod parts are placed on a fixed support block 2, the outer circular surface of each piston rod part is in close contact with a V-shaped mounting groove 21, a fastening nut 24 is screwed, a pressing plate 23 is enabled to press the piston rod parts, the two piston rod parts are placed on the fixed support block 2 at the same time, and one fastening nut 24 is rotated, so that the two piston rod parts can be clamped at the same time, the clamping preparation time can be shortened, the processing efficiency is improved, and the processing cost is reduced; after the piston rod part is installed and clamped tightly, all the circumferential holes on the same bus position are processed, after the processing is finished, the fastening nut 24 is unscrewed, the piston rod part is rotated, the front end of the positioning rod 32 is inserted into the processed circumferential holes for positioning, then the fastening nut 24 is screwed, the piston rod part is installed and clamped tightly, then all the circumferential holes on the same bus position are processed, the requirement of the circumferential hole position angle can be accurately ensured, the processing efficiency is improved, the compression spring 33 is sleeved on the positioning rod 32 and inserted into the step installation guide hole 34, the positioning rod 32 is pulled backwards, the front end of the positioning rod 32 is separated from the circumferential holes and is released, under the elastic force of the compression spring 33, the front end of the positioning rod 32 is inserted into the circumferential holes, the front end of the positioning rod 32 is in a cone frustum shape and is in close contact with the circumferential holes under the elastic force of the compression spring 33, the positioning is accurate.
Without being limited thereto, any changes or substitutions which are not thought of through creative efforts should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (1)
1. A tool clamp for processing a circumferential hole of a switch machine piston rod is characterized by comprising a base (1), a fixed support block (2) and a positioner (3), wherein the base (1) is in a cuboid block shape, a fixed connecting hole (11) is formed in the base, the fixed support block (2) is in a cuboid block shape, a V-shaped mounting groove (21) is formed in the fixed support block, a plurality of fixed support blocks (2) are arranged on the base (1) in parallel, the V-shaped mounting groove (21) faces upwards, a fastening bolt (22) is arranged above the fixed support block (2), a pressing plate (23) and a fastening nut (24) are arranged on the fastening bolt (22), the positioner (3) comprises a mounting block (31), a positioning rod (32) and a compression spring (33), the mounting block (31) is arranged on the base (1), a step mounting guide hole (34) is formed in the middle of the mounting block, the positioning rod (32) is arranged in the step, the front end and the rear end of the positioning rod extend to the outside of the mounting block (31), the front end of the positioning rod (32) is in a cone frustum shape and is inserted into a circumferential hole of the piston rod, and a compression spring (33) is sleeved on the positioning rod (32) and is inserted into a step mounting guide hole (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921062791.5U CN210588209U (en) | 2019-07-04 | 2019-07-04 | Tool clamp for machining circumferential hole of switch machine piston rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921062791.5U CN210588209U (en) | 2019-07-04 | 2019-07-04 | Tool clamp for machining circumferential hole of switch machine piston rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210588209U true CN210588209U (en) | 2020-05-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921062791.5U Active CN210588209U (en) | 2019-07-04 | 2019-07-04 | Tool clamp for machining circumferential hole of switch machine piston rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210588209U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112157581A (en) * | 2020-09-14 | 2021-01-01 | 中航动力株洲航空零部件制造有限公司 | Planetary gear pin grinding fixture |
| CN113305608A (en) * | 2021-06-10 | 2021-08-27 | 西安航天动力机械有限公司 | Clamping tool for milling certain cylindrical cross parts and batch application |
| CN113447257A (en) * | 2021-07-08 | 2021-09-28 | 吉林工程技术师范学院 | Multifunctional test board of point switch |
-
2019
- 2019-07-04 CN CN201921062791.5U patent/CN210588209U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112157581A (en) * | 2020-09-14 | 2021-01-01 | 中航动力株洲航空零部件制造有限公司 | Planetary gear pin grinding fixture |
| CN112157581B (en) * | 2020-09-14 | 2022-04-05 | 中航动力株洲航空零部件制造有限公司 | Planetary gear pin grinding fixture |
| CN113305608A (en) * | 2021-06-10 | 2021-08-27 | 西安航天动力机械有限公司 | Clamping tool for milling certain cylindrical cross parts and batch application |
| CN113447257A (en) * | 2021-07-08 | 2021-09-28 | 吉林工程技术师范学院 | Multifunctional test board of point switch |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 030600 No. 5160, Jingxi Avenue, Huitong Industrial Park, Jinzhong Development Zone, Shanxi demonstration zone, Yuci District, Jinzhong City, Shanxi Province Patentee after: Shanxi Huawei Railway Equipment Co.,Ltd. Address before: 030600 No. 5160, Jingxi Avenue, Huitong Industrial Park, Jinzhong Development Zone, Shanxi demonstration zone, Yuci District, Jinzhong City, Shanxi Province Patentee before: JINZHONG DEVELOPMENT ZONE HUAWEI RAILWAY EQUIPMENT Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |