CN110355706B - Multi-angle positioning fixture for machining pipeline valve - Google Patents
Multi-angle positioning fixture for machining pipeline valve Download PDFInfo
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- CN110355706B CN110355706B CN201910764088.7A CN201910764088A CN110355706B CN 110355706 B CN110355706 B CN 110355706B CN 201910764088 A CN201910764088 A CN 201910764088A CN 110355706 B CN110355706 B CN 110355706B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Abstract
The invention provides a multi-angle positioning clamp for machining a pipeline valve, which comprises a support frame, a double-arc slide rod, a fixed chuck and a limiting unit, wherein the double-arc slide rod is arranged on the support frame; the valve body fixture can solve the problems that the existing valve body fixture is fixed in structure, corresponding fixtures need to be replaced when positioning holes of different valve bodies are clamped, the replacement process is complicated, different types of fixtures need to be prepared frequently, and the maintenance cost is high; the mode that adopts outside centre gripping is fixed when fixing the valve body for a long time to current anchor clamps, and the processing operation on valve body surface is influenced to the external fixation for a long time, and also has the mode that partial anchor clamps adopted the hole expansion to fix, and the hole fixed mode that current anchor clamps adopted skids easily, leads to rocking easily in the course of working influence processing effect scheduling problem.
Description
Technical Field
The invention relates to the field of valve production and machining, in particular to a multi-angle positioning clamp for machining a pipeline valve.
Background
The valve is a mechanical device for controlling the flow, flow direction, pressure, temperature and the like of flowing fluid media, is a basic component in a pipeline system, is widely applied in various industries of industrial production and life, is an indispensable device for domestic water pipelines and industrial fluid pipelines, and has the advantages that the importance of the valve is seen, holes in a valve body need to be positioned and clamped in the valve machining process, but the existing clamp often has the following problems;
1. due to the fact that the existing fixture is fixed in structure, when the locating holes of different valve bodies are clamped, the corresponding fixture needs to be replaced, the replacing process is complicated, different types of fixtures need to be prepared frequently, and maintenance cost is high;
2. the mode that adopts outside centre gripping is fixed when fixing the valve body for a long time to current anchor clamps, and the processing operation on valve body surface is influenced to the external fixation for a long time, and also has the mode that partial anchor clamps adopted the hole expansion to fix, and the hole fixed mode that current anchor clamps adopted skids easily, leads to rocking easily in the course of working to influence the processing effect.
Therefore, in order to improve the practicability of the existing clamp, the invention provides a multi-angle positioning clamp for machining a pipeline valve.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme that the multi-angle positioning clamp for processing the pipeline valve comprises a support frame, a double-arc slide rod, a fixed chuck and a limiting unit; a double-arc slide bar is arranged on the support frame; two fixed chucks are arranged on the double-arc slide bar in a sliding fit mode, and a limiting unit is arranged on the double-arc slide bar outside the fixed chucks; the limiting unit is matched with the fixed chuck; u-shaped limiting grooves are symmetrically formed in the upper part and the lower part of the outer wall of the double-arc slide rod; wherein:
the fixed chuck comprises a fixed block, a limiting snap ring, an execution sleeve, a driving unit, an external clamping module and an internal clamping module; two arc-shaped through holes which are communicated with each other are arranged in the fixed block, a limiting snap ring is arranged in the middle of each arc-shaped through hole, symmetrical raised structures are arranged on the limiting snap ring, and movable wheels are arranged on the outer walls of the raised structures in a movable connection mode; the protruding structure of the limiting clamping ring is positioned in the U-shaped limiting groove; an execution sleeve is arranged on the outer wall of the fixed block, rectangular grooves are symmetrically formed in the outer wall of the execution sleeve, arc-shaped limiting holes are uniformly formed in the outer wall of each rectangular groove, a driving unit is arranged in the execution sleeve in a sliding fit mode, an inner clamping module is arranged in the central axis direction of the execution sleeve, outer clamping units are uniformly arranged on the outer wall of the execution sleeve on the outer side of the inner clamping module, and the driving units are respectively matched with the outer clamping module and the inner clamping module; and moving the fixed chuck according to the specific position of the valve hole of the valve to be processed, and controlling the position of the limiting plug by screwing the auxiliary sleeve so as to fix the position of the adjusted fixed chuck. The fixed chuck that sets up is convenient for carry out the adaptability according to the position of valve opening and adjusts, and then has guaranteed that fixed chuck is firm to be fixed the valve of treating processing.
The limiting unit comprises an auxiliary sleeve, an auxiliary rod, an auxiliary spring, a limiting plate and a limiting plug; auxiliary rods are symmetrically arranged in the auxiliary sleeve in a spiral matching mode, and threads are arranged on the outer walls of the auxiliary rods; be located auxiliary sleeve's inside and be provided with auxiliary spring, auxiliary spring's both ends are contradicted respectively in the bottom of auxiliary rod, are located the top of auxiliary rod and install the limiting plate, and the inner wall of limiting plate evenly is provided with spacing stopper, spacing stopper and fixed chuck mutually support.
The driving unit comprises an adjusting rod, a driving disk, a limiting module, an inner executing rod and an outer executing rod; the adjusting rods are arranged in the rectangular grooves of the executing sleeve in a sliding fit mode, the limiting modules are symmetrically arranged on the outer walls of the adjusting rods, a driving disc is connected between the two adjusting rods and is positioned in the executing sleeve, an inner executing rod is arranged in the middle of the outer wall of the driving disc, and the top end of the inner executing rod is of a spherical convex structure; the outer wall of the driving disc positioned outside the inner actuating rod is uniformly provided with outer actuating rods.
The limiting module comprises a limiting barrel, a limiting column, a compression spring and a limiting head; a compression spring is arranged in the limiting cylinder, a limiting column is arranged in the limiting cylinder in a sliding fit mode, and a limiting head is arranged at the top end of the limiting column; the position of the adjusting rod is controlled by matching the limiting head capable of doing telescopic motion with the arc-shaped limiting hole, so that the expansion of the clamping block and the U-shaped clamping block is ensured.
The outer clamping module comprises a hexagonal sleeve, a clamping block and a clamping spring, and rectangular cut holes are uniformly formed in the outer wall of the hexagonal sleeve; clamping blocks are uniformly arranged in the hexagonal sleeve through pin shafts, and the clamping blocks are connected with the inner wall of the top end of the hexagonal sleeve through clamping springs; the outer wall of the clamping block is uniformly provided with anti-skidding grooves; the mode of through-hole on the flange of adoption porous standing valve and through outer actuating rod control joint piece rotate make the joint piece rotate its outer wall when slope, and then withhold the through-hole inner wall on the flange of valve, realize fixed to the hole expansion on the flange, further increase the inclination of joint piece when the valve of treating processing takes place outside removal, guaranteed its stability.
The inner clamping module comprises an inner clamping cylinder, a U-shaped clamping block and an execution spring, the inner clamping cylinder is of a hexagonal symmetrical structure, and rectangular holes communicated with the inner part of the inner clamping cylinder are uniformly formed in the outer wall of the inner clamping cylinder; u-shaped fixture blocks are uniformly arranged in the inner sleeve in a sliding fit mode, and the U-shaped fixture blocks are connected with the inner wall of the inner sleeve through an execution spring; the inner wall of the U-shaped fixture block is provided with grooves with successively reduced depths, and rectangular cutting grooves are uniformly formed in the outer wall of the U-shaped fixture block; the internal clamping module drives the U-shaped clamping blocks to lift simultaneously through the internal execution rod, so that the expansion and fixation of a channel inside the valve are realized, and the valve is ensured not to shake at the position during processing.
Preferably; the limiting plug is of a wedge-shaped structure, a plurality of movable balls are arranged on the inner wall of the limiting plug in a movable connection mode, the limiting plug is set to be of the wedge-shaped structure, the auxiliary sleeve is convenient to rotate in a rotating mode, the auxiliary rod is controlled to move inside an arc-shaped through hole of the fixing block, the limiting plug is further made to enter the fixing block, and therefore the fixing block is controlled to be fixed in position, and the fixing block is prevented from rotating.
Preferably; the outer wall of the auxiliary sleeve is uniformly provided with anti-skidding grooves, and the anti-skidding grooves are uniformly formed in the outer wall of the auxiliary sleeve, so that an operator can rotate the auxiliary sleeve to control the movement of the auxiliary rod.
Advantageous effects
The invention adopts a mode of fixing a through hole on a flange of a valve in a multi-hole way, controls the rotation of the clamping block through the outer execution rod to ensure that the outer wall of the clamping block inclines when the clamping block rotates, and then the clamping block props against the inner wall of the through hole on the flange of the valve to realize the expansion and fixation of the hole on the flange, further increases the inclination angle of the clamping block when the valve to be processed moves outwards, and ensures the stability of the valve;
the internal clamping module drives the U-shaped clamping blocks to lift simultaneously through the internal execution rod, so that the expansion and fixation of a channel inside the valve are realized, and the position of the valve in the processing process is ensured not to shake;
the fixed chuck is convenient to adjust adaptively according to the position of the valve hole, is suitable for fixing various valve bodies, and ensures that the fixed chuck can firmly fix the valve to be processed.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a top view of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged view of a portion of the invention at B in FIG. 2;
fig. 4 is a partial enlarged view of the present invention at C in fig. 1.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 4, a multi-angle positioning fixture for processing a pipeline valve comprises a support frame 1, a double-arc slide bar 2, a fixed chuck 3 and a limiting unit 4; a double-arc slide bar 2 is arranged on the support frame 1; two fixed chucks 3 are arranged on the double-arc slide bar 2 in a sliding fit mode, and a limiting unit 4 is arranged on the double-arc slide bar 2 at the outer side of each fixed chuck 3; the limiting unit 4 is matched with the fixed chuck 3; u-shaped limiting grooves are symmetrically formed in the upper and lower parts of the outer wall of the double-arc slide rod 2; wherein:
the limiting unit 4 comprises an auxiliary sleeve 41, an auxiliary rod 42, an auxiliary spring 43, a limiting plate 44 and a limiting plug 45; auxiliary rods 42 are symmetrically arranged in the auxiliary sleeve 41 in a spiral matching mode, and the outer walls of the auxiliary rods 42 are provided with threads; the outer wall of the auxiliary sleeve 41 is uniformly provided with anti-skid grooves; the anti-skid grooves are uniformly formed in the outer wall of the auxiliary sleeve 41, so that an operator can rotate the auxiliary sleeve 41 to control the movement of the auxiliary rod 42; an auxiliary spring 43 is arranged inside the auxiliary sleeve 41, two ends of the auxiliary spring 43 respectively abut against the bottom end of the auxiliary rod 42, a limiting plate 44 is arranged at the top end of the auxiliary rod 42, limiting plugs 45 are uniformly arranged on the inner wall of the limiting plate 44, and the limiting plugs 45 are matched with the fixed chuck 3; the limiting plug 45 is of a wedge-shaped structure, and a plurality of movable balls are arranged on the inner wall of the limiting plug 45 in a movable connection mode; the limiting plug 45 is arranged in a wedge-shaped structure, so that the auxiliary rod 42 is controlled to move when the auxiliary sleeve 41 is screwed, the limiting plug 45 is further enabled to enter the arc-shaped through hole of the fixing block 31, the fixing position of the fixing block 31 is controlled, and the fixing block 31 is prevented from rotating.
The fixed chuck 3 comprises a fixed block 31, a limit snap ring 32, an execution sleeve 33, a driving unit 34, an outer clamping module 35 and an inner clamping module 36; two arc-shaped through holes which are communicated with each other are arranged inside the fixed block 31, a limiting snap ring 32 is arranged in the middle of each arc-shaped through hole, symmetrical convex structures are arranged on the limiting snap ring 32, and movable wheels are arranged on the outer walls of the convex structures in a movable connection mode; the protruding structure of the limiting snap ring 32 is positioned in the U-shaped limiting groove; an execution sleeve 33 is arranged on the outer wall of the fixed block 31, rectangular grooves are symmetrically formed in the outer wall of the execution sleeve 33, arc-shaped limiting holes are uniformly formed in the outer wall of each rectangular groove, a driving unit 34 is arranged inside the execution sleeve 33 in a sliding fit mode, an inner clamping module 36 is arranged in the central axis direction of the execution sleeve 33, outer clamping units are uniformly arranged on the outer wall of the execution sleeve 33 on the outer side of the inner clamping module 36, and the driving units 34 are respectively matched with the outer clamping module 35 and the inner clamping module 36; according to the specific position of a valve hole of a valve to be processed, the fixed chuck 3 is moved, and the position of the limiting plug 45 is controlled by screwing the auxiliary sleeve 41 so as to fix the adjusted position of the fixed chuck 3. The fixed chuck 3 that sets up is convenient for carry out the adaptability according to the position of valve opening and adjusts, and then has guaranteed that fixed chuck 3 is firm to be fixed the valve of treating processing.
The driving unit 34 comprises an adjusting rod 341, a driving disk 342, a limiting module 343, an inner actuating rod 344 and an outer actuating rod 345; the adjusting rods 341 are arranged in the rectangular groove of the actuating sleeve 33 in a sliding fit manner, the limiting modules 343 are symmetrically arranged on the outer wall of the adjusting rods 341, a driving disc 342 is connected between the two adjusting rods 341, the driving disc 342 is arranged in the actuating sleeve 33, the inner actuating rod 344 is arranged in the middle of the outer wall of the driving disc 342, and the top end of the inner actuating rod 344 is of a spherical convex structure; the outer wall of the driving disk 342 positioned outside the inner actuating rod 344 is uniformly provided with outer actuating rods 345; the limiting module 343 comprises a limiting cylinder 3431, a limiting column 3432, a compression spring 3433 and a limiting head 3434; a compression spring 3433 is arranged in the limiting cylinder 3431, a limiting column 3432 is arranged in the limiting cylinder 3431 in a sliding fit manner, and a limiting head 3434 is arranged at the top end of the limiting column 3432; the position of the adjusting rod 341 is controlled by the matching of the limiting head 3434 capable of doing telescopic motion and the arc-shaped limiting hole, so that the expansion of the clamping block 352 and the U-shaped clamping block 362 is ensured.
The external clamping module 35 comprises a hexagonal sleeve 351, a clamping block 352 and a clamping spring 353, and rectangular cut holes are uniformly formed in the outer wall of the hexagonal sleeve 351; clamping blocks 352 are uniformly arranged inside the hexagonal sleeve 351 through pin shafts, and the clamping blocks 352 are connected with the inner wall of the top end of the hexagonal sleeve 351 through clamping springs 353; the outer wall of the clamping block 352 is uniformly provided with anti-skidding grooves; the mode of adopting the through-hole on the flange of porous fixed valve and through outer actuating rod 345 control joint piece 352 rotate make joint piece 352 rotate its outer wall slope when, and then withstand the through-hole inner wall on the flange of valve, realize fixed to the hole expansion on the flange, further increase the inclination of joint piece 352 when the valve that waits to process takes place outside removal, guaranteed its stability. The internal clamping module 36 comprises an internal clamping cylinder 361, a U-shaped clamping block 362 and an execution spring 363, wherein the internal clamping cylinder 361 is of a hexagonal symmetrical structure, and rectangular holes communicated with the inside of the internal clamping cylinder 361 are uniformly formed in the outer wall of the internal clamping cylinder 361; u-shaped fixture blocks 362 are uniformly arranged in the inner connecting cylinder 361 in a sliding fit mode, and the U-shaped fixture blocks 362 are connected with the inner wall of the inner connecting cylinder 361 through an execution spring 363; the inner wall of the U-shaped fixture block 362 is provided with grooves with successively reduced depths, and rectangular cutting grooves are uniformly formed in the outer wall of the U-shaped fixture block 362; the internal clamping module 36 drives the plurality of U-shaped clamping blocks 362 to lift simultaneously through the internal execution rod 344, thereby completing expansion and fixation of the channel inside the valve and ensuring that the position of the valve during processing does not shake.
During operation, firstly, the fixed chuck 3 is moved according to the specific position of the valve hole to be processed and is fixed through the limiting unit 4, then the valve hole of the valve to be processed is respectively inserted into the inner sleeve 361 and the hexagonal sleeve 351, and the U-shaped fixture block 362 and the clamping block 352 are controlled to move through the operation adjusting rod 341 to complete the fixation of the valve to be processed; subsequently, the adjustment rod 341 is operated again after the completion of the machining, and the valve after the completion of the machining is removed.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A multi-angle positioning clamp for processing a pipeline valve comprises a support frame (1), a double-arc slide rod (2), a fixed chuck (3) and a limiting unit (4); the method is characterized in that: a double-arc slide bar (2) is arranged on the support frame (1); two fixed chucks (3) are arranged on the double-arc slide bar (2) in a sliding fit manner, and a limiting unit (4) is arranged on the double-arc slide bar (2) at the outer side of each fixed chuck (3); the limiting unit (4) is matched with the fixed chuck (3); u-shaped limiting grooves are symmetrically formed in the upper part and the lower part of the outer wall of the double-arc slide rod (2); wherein:
the fixed chuck (3) comprises a fixed block (31), a limiting snap ring (32), an execution sleeve (33), a driving unit (34), an external clamping module (35) and an internal clamping module (36); two arc-shaped through holes which are communicated with each other are arranged in the fixed block (31), a limiting snap ring (32) is arranged in the middle of each arc-shaped through hole, symmetrical convex structures are arranged on the limiting snap ring (32), and movable wheels are arranged on the outer walls of the convex structures in a movable connection mode; the protruding structure of the limiting clamping ring (32) is positioned in the U-shaped limiting groove; an execution sleeve (33) is arranged on the outer wall of the fixed block (31), rectangular grooves are symmetrically formed in the outer wall of the execution sleeve (33), arc-shaped limiting holes are uniformly formed in the outer wall of each rectangular groove, a driving unit (34) is arranged inside the execution sleeve (33) in a sliding fit mode, an inner clamping module (36) is arranged in the direction of the central axis of the execution sleeve (33), outer clamping units are uniformly arranged on the outer wall of the execution sleeve (33) on the outer side of the inner clamping module (36), and the driving units (34) are respectively matched with the outer clamping module (35) and the inner clamping module (36);
the limiting unit (4) comprises an auxiliary sleeve (41), an auxiliary rod (42), an auxiliary spring (43), a limiting plate (44) and a limiting plug (45); auxiliary rods (42) are symmetrically arranged in the auxiliary sleeve (41) in a spiral matching mode, and threads are arranged on the outer walls of the auxiliary rods (42); be located the inside of auxiliary sleeve (41) and be provided with auxiliary spring (43), the both ends of auxiliary spring (43) are contradicted respectively in the bottom of auxiliary rod (42), are located the top of auxiliary rod (42) and install limiting plate (44), and the inner wall of limiting plate (44) evenly is provided with spacing stopper (45), spacing stopper (45) and fixed chuck (3) mutually support.
2. The multi-angle positioning fixture for machining the pipeline valve as claimed in claim 1, wherein: the driving unit (34) comprises an adjusting rod (341), a driving disk (342), a limiting module (343), an inner executing rod (344) and an outer executing rod (345); the adjusting rods (341) are arranged in a rectangular groove of the executing sleeve (33) in a sliding fit mode, limiting modules (343) are symmetrically arranged on the outer wall of each adjusting rod (341), a driving disc (342) is connected between the two adjusting rods (341), the driving disc (342) is positioned inside the executing sleeve (33), an inner executing rod (344) is arranged in the middle of the outer wall of the driving disc (342), and the top end of the inner executing rod (344) is of a spherical convex structure; the outer wall of the driving disk (342) positioned outside the inner actuating rod (344) is uniformly provided with outer actuating rods (345).
3. The multi-angle positioning fixture for machining the pipeline valve as claimed in claim 2, wherein: the limiting module (343) comprises a limiting cylinder (3431), a limiting column (3432), a compression spring (3433) and a limiting head (3434); the limiting device is characterized in that a compression spring (3433) is arranged inside the limiting cylinder (3431), limiting columns (3432) are arranged in the limiting cylinder (3431) in a sliding fit mode, and limiting heads (3434) are mounted at the top ends of the limiting columns (3432).
4. The multi-angle positioning fixture for machining the pipeline valve as claimed in claim 1, wherein: the outer clamping module (35) comprises a hexagonal sleeve (351), a clamping block (352) and a clamping spring (353), and rectangular cut holes are uniformly formed in the outer wall of the hexagonal sleeve (351); clamping blocks (352) are uniformly arranged in the hexagonal sleeve (351) through pin shafts, and the clamping blocks (352) are connected with the inner wall of the top end of the hexagonal sleeve (351) through clamping springs (353); the outer wall of the clamping block (352) is uniformly provided with anti-skidding grooves.
5. The multi-angle positioning fixture for machining the pipeline valve as claimed in claim 1, wherein: the inner clamping module (36) comprises an inner clamping cylinder (361), a U-shaped clamping block (362) and an execution spring (363), the inner clamping cylinder (361) is of a hexagonal symmetrical structure, and rectangular holes communicated with the inner part of the inner clamping cylinder (361) are uniformly formed in the outer wall of the inner clamping cylinder (361); u-shaped fixture blocks (362) are uniformly arranged in the inner connecting cylinder (361) in a sliding fit mode, and the U-shaped fixture blocks (362) are connected with the inner wall of the inner connecting cylinder (361) through actuating springs (363); the inner wall of the U-shaped fixture block (362) is provided with grooves with the depth decreasing in sequence, and rectangular cutting grooves are uniformly formed in the outer wall of the U-shaped fixture block (362).
6. The multi-angle positioning fixture for machining the pipeline valve as claimed in claim 1, wherein: the limiting plug (45) is of a wedge-shaped structure, and a plurality of movable balls are arranged on the inner wall of the limiting plug (45) in a movable connection mode.
7. The multi-angle positioning fixture for machining the pipeline valve as claimed in claim 1, wherein: and anti-skidding grooves are uniformly formed in the outer wall of the auxiliary sleeve (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910764088.7A CN110355706B (en) | 2019-08-19 | 2019-08-19 | Multi-angle positioning fixture for machining pipeline valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910764088.7A CN110355706B (en) | 2019-08-19 | 2019-08-19 | Multi-angle positioning fixture for machining pipeline valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110355706A CN110355706A (en) | 2019-10-22 |
| CN110355706B true CN110355706B (en) | 2020-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910764088.7A Active CN110355706B (en) | 2019-08-19 | 2019-08-19 | Multi-angle positioning fixture for machining pipeline valve |
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| CN (1) | CN110355706B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113858085B (en) * | 2021-12-02 | 2022-02-22 | 招商局金陵船舶(威海)有限公司 | Positioning device for multi-angle three-dimensional branch pipe of pipeline |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7192017B2 (en) * | 2005-04-18 | 2007-03-20 | Anderson Industrial Corp. | Mechanical suction device |
| CN105437106A (en) * | 2015-12-09 | 2016-03-30 | 无锡西源电力装备厂 | Pipe machining and fixing clamp |
| CN108098645B (en) * | 2018-01-24 | 2020-06-12 | 高特控股集团有限公司 | Valve body fixing device for valve processing |
| CN207522451U (en) * | 2018-02-08 | 2018-06-22 | 普维德科工业技术南京有限公司 | A kind of valve fixture |
| CN109176145B (en) * | 2018-11-01 | 2019-09-03 | 浙江中德自控科技股份有限公司 | A kind of dedicated the 4th axis rotary index processing unit (plant) of machining center of valve body |
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2019
- 2019-08-19 CN CN201910764088.7A patent/CN110355706B/en active Active
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