CN115488670A - Clamping device for processing end face of bolt rod - Google Patents
Clamping device for processing end face of bolt rod Download PDFInfo
- Publication number
- CN115488670A CN115488670A CN202211344868.4A CN202211344868A CN115488670A CN 115488670 A CN115488670 A CN 115488670A CN 202211344868 A CN202211344868 A CN 202211344868A CN 115488670 A CN115488670 A CN 115488670A
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- Prior art keywords
- bolt
- clamp splice
- clamping
- clamping device
- rod
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- 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
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a clamping device for processing the end face of a bolt rod, which relates to the technical field of bolt clamps and comprises clamping blocks, an oil cylinder, a clamping box and a positioning frame, wherein a plurality of placing holes which correspond to each other in position and are used for placing the bolt rod to be processed are formed in two side walls of the clamping box, a plurality of clamping blocks are arranged in the clamping box, the clamping blocks are arranged on two sides of each placing hole, springs are connected between every two adjacent clamping blocks, one end of the clamping box is of an open structure, the open end of the clamping box is connected with a hydraulic rod, a piston rod of the oil cylinder is connected with a pushing block for pushing the clamping blocks to clamp, one side of the clamping box is connected with a supporting plate for supporting the bolt rod to be processed through a supporting bolt, the positioning frame is positioned on one side of the supporting plate, the bolt rod to be processed is positioned at the upper end of the supporting plate, and the head of the bolt rod to be processed is positioned between the positioning frame and the supporting plate. A plurality of bolt bars can be clamped simultaneously at a single time through the clamping box, simultaneous processing of the bolt bars is achieved, operation is simpler and more convenient, and processing efficiency is improved.
Description
Technical Field
The invention relates to the technical field of bolt clamps, in particular to a clamping device for processing the end face of a bolt rod.
Background
The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current. The wind driven generator has a severe working environment, so that the quality requirement of the bolts used on the wind driven generator is high, the produced bolts need to be subjected to flaw detection and expansion coefficient detection, and in order to ensure the detection precision, the end parts of the bolt rods need to be processed into planes, so that the detection of the length and the cracks is more accurate.
At present, the end face of a bolt rod is machined by clamping the bolt rod through a two-jaw hydraulic chuck on a lathe, only one bolt rod can be machined at each time, after one bolt rod is machined, the bolt rod needs to be replaced, the bolt rod is clamped and milled again, the bolt rod is complex, machining efficiency is low, and when the bolt rod is replaced, fingers easily touch the chuck, so that certain danger is realized.
Disclosure of Invention
The invention aims at the defects in the prior art, and provides a clamping device for processing the end face of a bolt rod, which can simultaneously clamp a plurality of bolt rods at a time through a clamping box, so that the simultaneous processing of the plurality of bolt rods is realized, the time is saved, the operation is simpler and more convenient, the processing efficiency is improved, the cost is reduced, the use is safer, meanwhile, through the positioning of a positioning frame and a supporting plate, the positioning consistency of the bolt rod to be processed at each time can be ensured, the times of manual repeated clamping are reduced, the errors caused by manual operation are reduced, and the processing precision is ensured.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a clamping device for processing of shank of bolt terminal surface, includes clamp splice, hydro-cylinder, centre gripping case and locating rack, be equipped with the hole of placing that is used for placing the shank of bolt of waiting to process that a plurality of positions correspond on the both sides wall of centre gripping case, the centre gripping incasement is equipped with a plurality of clamp splices, and the both sides of placing the hole all are equipped with the clamp splice, are connected with the spring between the adjacent clamp splice, the one end of centre gripping case is open structure, and the open end of centre gripping case is connected with the hydraulic stem, be connected with the ejector pad that promotes the clamp splice centre gripping on the piston rod of hydro-cylinder, one side of centre gripping case is connected with the layer board that supports the shank of bolt of waiting to process through supporting bolt, the locating rack is located one side of layer board, and the shank of bolt of waiting to process is located the upper end of layer board, and the head of waiting to process the shank of bolt is located between locating rack and the layer board.
Preferably, the bottom of the clamping box is provided with a base for fixing.
Preferably, one end of the oil cylinder is connected with a supporting block through a transition sleeve, the supporting block is connected with one end of the clamping box through a guide sleeve, the push block slides in the guide sleeve, a sliding hole is formed in the supporting block, and one end of the push block is connected with a piston rod of the oil cylinder through a push rod.
Preferably, a pin shaft is arranged in the sliding hole, and a limit hole matched with the pin shaft is arranged on the push rod.
Preferably, one side of the push block, which faces the clamping block, is provided with a steel ball screw.
Preferably, the upper end of the supporting plate is provided with a positioning column.
Preferably, one side of base is connected with lead screw, sliding connection has the sliding sleeve on the lead screw, the both sides of sliding sleeve be equipped with lead screw complex set nut, be connected with on the lateral wall of sliding sleeve and support the cover, the locating rack includes the locating lever, the locating lever is located one side of layer board, the both ends of locating lever be equipped with support cover sliding fit's bracing piece, support the locating bolt who is equipped with fixed support bar on the lateral wall of cover.
Preferably, the side wall of the supporting rod is provided with an upper limiting ring and a lower limiting ring, and the upper limiting ring and the lower limiting ring are positioned on two sides of the supporting sleeve.
Preferably, the clamping block is provided with two sides, and the inner wall of the clamping box is provided with a guide bulge for supporting the clamping block.
Preferably, the clamp splice includes unilateral clamp splice and bilateral clamp splice, unilateral clamp splice is located the both ends of centre gripping case, is equipped with bilateral clamp splice between two unilateral clamp splices, the both sides of bilateral clamp splice are equipped with first V type double-layered groove and first locating hole, unilateral clamp splice is equipped with the second locating hole towards one side of bilateral clamp splice and presss from both sides the groove with the second V type that first V type double-layered groove position corresponds, the both ends of spring are located first locating hole and second locating hole respectively.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the clamping box can simultaneously clamp a plurality of bolt rods at a time, so that the simultaneous processing of the plurality of bolt rods is realized, the time is saved, the operation is simpler and more convenient, the processing efficiency is improved, the cost is reduced, the use is safer, meanwhile, the positioning consistency of the bolt rods to be processed at each time can be ensured through the positioning of the positioning frame and the supporting plate, the times of manual repeated clamping are reduced, the errors caused by manual operation are reduced, and the processing precision is ensured.
2. According to the invention, the positioning column is arranged at the upper end of the supporting plate, so that the bolt rod to be processed can be prevented from rolling when being taken and placed, and the use is more reliable.
3. The positioning rod can be adjusted back and forth and up and down, the heads of the bolt rods with different sizes can be positioned by front and back adjustment, the convenience in taking and placing can be increased by up and down adjustment, and the use is more convenient; the consistency of the bolt bar placed on the supporting plate can be increased through the positioning frame, and the processing precision is ensured.
4. According to the invention, the V-shaped clamping grooves are formed in the side walls of the clamping blocks, so that bolt rods with different diameters can be clamped, the clamping stability can be improved, the bolt rods can be clamped at multiple points, and the clamping is more reliable and firmer.
Drawings
FIG. 1 is a first perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic structural view of the inner side wall of the clamping box;
FIG. 4 is a top view of the present invention;
FIG. 5 is a cross-sectional view of the present invention;
FIG. 6 is an enlarged view of the structure at A of FIG. 5;
FIG. 7 is a right side view of the present invention;
FIG. 8 is a schematic view of a dual sided clamp;
fig. 9 is a schematic structural view of a single-sided clamping block.
In the figure: 1-oil cylinder; 101-a transition sleeve; 2-a support block; 201-a guide sleeve; 202-a slide hole; 203-a pin shaft; 3, clamping a box; 301-a base; 302-a pallet; 303-stay bolts; 304-placing holes; 305-a guide projection; 306-a locating post; 4-bolt bar to be processed; 5-a positioning frame; 501-positioning a rod; 502-support bar; 503-upper limiting ring; 504-a positioning nut; 505-a lead screw; 506-a sliding sleeve; 507-a lower confinement ring; 508-a support sleeve; 509-positioning bolt; 6-pushing a block; 601-steel ball screw; 602-a limiting hole; 603-a push rod; 7-bilateral clamp splice; 701-a first positioning hole; 702-a first V-clip groove; 8-single-side clamping block; 801-a second positioning hole; 802-second V-clip groove; 9-a spring; 10-milling cutter disc.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, a clamping device for processing an end face of a bolt rod, includes clamping blocks, an oil cylinder 1, a clamping box 3 and a positioning frame 5, as shown in fig. 3, a plurality of placing holes 304 corresponding to each other in position for placing the bolt rod 4 to be processed are disposed on two side walls of the clamping box 3, two layers are disposed in the present application, each layer is provided with 10 placing holes 304, that is, the whole clamping box 3 can simultaneously clamp 10 bolt rods, a plurality of clamping blocks are disposed in the clamping box 3, clamping blocks are disposed on two sides of each placing hole 304, that is, each layer is provided with 11 clamping blocks, a guide protrusion 305 for supporting the clamping blocks is disposed on an inner wall of the clamping box 3, wherein the diameter of each placing hole 304 is greater than the diameter of the bolt rod 4 to be processed.
As shown in fig. 4, one end of the clamping box 3 is of an open structure, the open end of the clamping box 3 is connected with a hydraulic rod, a piston rod of the oil cylinder 1 is connected with a push block 6 for pushing clamping blocks to clamp, mutual clamping between the clamping blocks is realized through the oil cylinder 1, a bolt rod 4 to be processed is clamped and fixed, a spring 9 is connected between adjacent clamping blocks, and when the oil cylinder 1 contracts, the bolt rod can be loosened by the clamping blocks under the action of the spring 9.
The supporting plate 302 for supporting the bolt rod 4 to be processed is connected to one side of the clamping box 3 through the supporting bolt 303, one end, close to the head, of the bolt rod 4 to be processed can be supported, the positioning frame 5 is located on one side of the supporting plate 302, the head of the bolt rod 4 to be processed is located between the positioning frame 5 and the supporting plate 302, the bolt rod 4 to be processed can be prevented from axially sliding through the positioning frame 5, and the accuracy of each bolt clamping position is guaranteed.
The bottom of centre gripping case 3 is equipped with base 301 that is used for fixing, and this device is fixed on milling the workstation of beating the machine, and the workstation is the slope, consequently, is equipped with reference column 306 in the upper end of layer board 302, fixes a position the one side of treating processing shank of bolt 4 through reference column 306, prevents to treat processing shank of bolt 4 when upper and lower material from taking place to roll. The milling cutter disc 10 stretches and retracts and rotates, the diameter of the milling cutter disc 10 is 80mm, the height from the center of the milling cutter disc 10 to the workbench is 105mm, the clamping device clamps two rows of bolts, the bolts are all within the coverage range of the milling cutter disc 10, and the milling cutter finishes processing the end faces of the two rows of bolt rods 4 to be processed along with the movement of the workbench.
As shown in fig. 5-6, one end of the oil cylinder 1 is connected with a supporting block 2 through a transition sleeve 101, the supporting block 2 is connected with one end of the clamping box 3 through a guide sleeve 201, the push block 6 slides in the guide sleeve 201, a slide hole 202 is arranged in the supporting block 2, a pin 203 is arranged in the slide hole 202, a limit hole 602 matched with the pin 203 is arranged on the push rod 603 to prevent the push rod 603 from sliding off, one end of the push block 6 is connected with a piston rod of the oil cylinder 1 through the push rod 603, a steel ball screw 601 is arranged on one side of the push block 6 facing the clamping block, the end of the steel ball screw 601 is of a hemispherical structure, and the hemisphere can move in the screw.
In addition, in this embodiment, one end of the push rod 603 facing the oil cylinder 1 is a convex hemispherical surface, the end of the piston rod of the oil cylinder 1 is a concave spherical surface, and the two parts are in contact fit with each other. Of course, the push rod 603 and the piston rod may be directly connected.
One side of the base 301 is connected with a guide screw 505, the guide screw 505 is connected with a sliding sleeve 506 in a sliding manner, two sides of the sliding sleeve 506 are provided with positioning nuts 504 matched with the guide screw 505, and a side wall of the sliding sleeve 506 is connected with a supporting sleeve 508, as shown in fig. 7, the positioning frame 5 comprises a positioning rod 501, the positioning rod 501 is positioned at one side of the supporting plate 302, two ends of the positioning rod 501 are provided with supporting rods 502 matched with the supporting sleeve 508 in a sliding manner, and a positioning bolt 509 for fixing the supporting rods 502 is arranged on the side wall of the supporting sleeve 508.
The distance between the positioning frame 5 and the supporting plate 302 can be adjusted by loosening the positioning nut 504, the positioning nut is suitable for screw heads with different thicknesses, the positioning bolt 509 is loosened to realize the up-and-down movement of the positioning rod 501, when the bolt rod 4 to be processed is taken out and put, the positioning rod 501 can fall down, and the taking and putting convenience of the bolt rod 4 to be processed is improved.
An upper limit ring 503 and a lower limit ring 507 are arranged on the side wall of the support rod 502, the upper limit ring 503 and the lower limit ring 507 are positioned at two sides of the support sleeve 508, the support rod 502 can be positioned, and the support rod 502 is prevented from being separated from the guiding direction.
As shown in fig. 8-9, the clamping block includes a single-side clamping block 8 and a double-side clamping block 7, the single-side clamping block 8 is located at two ends of the clamping box 3, the double-side clamping block 7 is located between the two single-side clamping blocks 8, a first V-shaped clamping groove 702 and a first positioning hole 701 are arranged at two sides of the double-side clamping block 7, a second positioning hole 801 and a second V-shaped clamping groove 802 corresponding to the first V-shaped clamping groove 702 are arranged at one side of the single-side clamping block 8 facing the double-side clamping block 7, and two ends of the spring 9 are located in the first positioning hole 701 and the second positioning hole 801 respectively.
The working sequence is as follows: opening a push-pull door of the milling machine, enabling a piston rod of the oil cylinder 1 to be in a retraction state, namely enabling a clamping block to be in an opening state, placing one end, far away from the head, of a bolt rod to be processed into the placing hole 304, enabling the other end of the bolt rod to be located at the upper end of the supporting plate 302, enabling the head of the bolt rod to be processed to be propped against one side of the supporting plate 302, adjusting the positioning rod 501 to enable the positioning rod 501 to be blocked at one side of the head of the bolt rod, positioning the head of the bolt rod, and then fixing the positioning frame 5; the piston rod of the starting oil cylinder 1 extends out, a bolt rod to be processed is clamped through the clamping block, meanwhile, the push-pull door is closed, the milling cutter disc 10 rotates and extends out, along with the movement of the workbench, a milling cutter processes the end portion of the bolt rod 4 to be processed, the workbench moves from one end to the other end, the processing is finished, the workbench resets, the milling cutter disc 10 stops rotating and retracts, the piston rod of the oil cylinder 1 retracts, the processed bolt rod is loosened, the push-pull door is automatically opened, the positioning bolt 509 is loosened, the positioning rod 501 descends, the processed bolt rod is taken out, and the processing is finished.
Compared with the prior processing mode, the time from the door opening of the milling and opening machine to the door opening after one cycle is finished is 3 minutes, 20 pieces of machining are carried out, the time for replacing cutters, maintaining equipment, logistics and the like is removed, 3000 pieces of machining can be carried out in each shift, and the machining mode is improved by 5 times compared with the original processing mode.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a clamping device for processing of shank of bolt terminal surface, includes the clamp splice, its characterized in that: still include hydro-cylinder, centre gripping case and locating rack, be equipped with the hole of placing of waiting to process the shank of bolt that is used for that a plurality of positions correspond on the both sides wall of centre gripping case, the centre gripping incasement is equipped with a plurality of clamp splices, and the both sides of placing the hole all are equipped with the clamp splice, are connected with the spring between the adjacent clamp splice, the one end of centre gripping case is open structure, and the open end of centre gripping case is connected with the hydraulic stem, be connected with the ejector pad that promotes the clamp splice centre gripping on the piston rod of hydro-cylinder, one side of centre gripping case is connected with the layer board that supports the shank of bolt of waiting to process through supporting bolt, the locating rack is located one side of layer board, and the shank of bolt of waiting to process is located the upper end of layer board, and the head of the shank of bolt of waiting to process is located between locating rack and the layer board.
2. A clamping device for use in the end-facing of a bolt shank according to claim 1, wherein: and a base for fixing is arranged at the bottom of the clamping box.
3. The clamping device for bolt shank end face machining according to claim 1, characterized in that: one end of the oil cylinder is connected with a supporting block through a transition sleeve, the supporting block is connected with one end of the clamping box through a guide sleeve, the push block slides in the guide sleeve, a sliding hole is formed in the supporting block, and one end of the push block is connected with a piston rod of the oil cylinder through a push rod.
4. A clamping device for bolt shank facing according to claim 3, wherein: the sliding hole is internally provided with a pin shaft, and the push rod is provided with a limit hole matched with the pin shaft.
5. A clamping device for use in the end-facing of a bolt shank according to claim 1, wherein: and one side of the push block, which faces the clamping block, is provided with a steel ball screw.
6. A clamping device for use in the end-facing of a bolt shank according to claim 1, wherein: and the upper end of the supporting plate is provided with a positioning column.
7. A clamping device for bolt shank facing according to claim 2, wherein: one side of base is connected with lead screw, sliding connection has the sliding sleeve on the lead screw, the both sides of sliding sleeve be equipped with lead screw complex set nut, be connected with on the lateral wall of sliding sleeve and support the cover, the locating rack includes the locating lever, the locating lever is located one side of layer board, the both ends of locating lever be equipped with support cover sliding fit's bracing piece, support the positioning bolt who is equipped with fixed support bar on the lateral wall of cover.
8. A clamping device for use in the end-facing of a bolt shank according to claim 7, wherein: the side wall of the supporting rod is provided with an upper limiting ring and a lower limiting ring, and the upper limiting ring and the lower limiting ring are positioned on two sides of the supporting sleeve.
9. The clamping device for bolt shank end face machining according to claim 1, characterized in that: the clamp splice is provided with both sides, is equipped with the direction arch that supports the clamp splice on the inner wall of centre gripping case.
10. The clamping device for bolt shank end face machining according to claim 1, characterized in that: the clamp splice includes unilateral clamp splice and bilateral clamp splice, unilateral clamp splice is located the both ends of centre gripping case, is equipped with bilateral clamp splice between two unilateral clamp splices, the both sides of bilateral clamp splice are equipped with first V type double-layered groove and first locating hole, unilateral clamp splice is equipped with the second locating hole towards one side of bilateral clamp splice and presss from both sides the groove with the second V type that first V type presss from both sides the groove position and corresponds, the both ends of spring are located first locating hole and second locating hole respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211344868.4A CN115488670B (en) | 2022-10-31 | 2022-10-31 | Clamping device for machining end face of bolt rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211344868.4A CN115488670B (en) | 2022-10-31 | 2022-10-31 | Clamping device for machining end face of bolt rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115488670A true CN115488670A (en) | 2022-12-20 |
| CN115488670B CN115488670B (en) | 2023-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211344868.4A Active CN115488670B (en) | 2022-10-31 | 2022-10-31 | Clamping device for machining end face of bolt rod |
Country Status (1)
| Country | Link |
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| CN (1) | CN115488670B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4583631A (en) * | 1981-08-04 | 1986-04-22 | Aioi Keiki K.K. | Apparatus for positioning and clamping work clamp pallet for machine tools |
| CN203228039U (en) * | 2013-03-27 | 2013-10-09 | 广州市交通高级技工学校 | Milling clamp for multiple cylindrical workpieces |
| CN203737872U (en) * | 2013-12-30 | 2014-07-30 | 海盐双赢管件制造有限公司 | Automatic clamp convenient in clamping |
| CN104440288A (en) * | 2013-09-12 | 2015-03-25 | 西安志越机电科技有限公司 | Hydraulic driving type multi-station milling fixture |
| WO2016145724A1 (en) * | 2015-03-19 | 2016-09-22 | 江苏大学 | Adjustable clamp for use in marine deck welding test |
| CN107914167A (en) * | 2016-10-09 | 2018-04-17 | 饶长富 | Cylindric workpiece multi-connected clamping device |
| CN210677868U (en) * | 2019-10-15 | 2020-06-05 | 顾叶锋 | Part numerical control machining device |
| CN212020506U (en) * | 2019-12-31 | 2020-11-27 | 张家港台达机械制造有限公司 | Material pipe fixing and positioning device |
| CN214212334U (en) * | 2020-12-30 | 2021-09-17 | 云南云内动力机械制造有限公司 | Bearing cap bolt hole processing fixing device |
-
2022
- 2022-10-31 CN CN202211344868.4A patent/CN115488670B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4583631A (en) * | 1981-08-04 | 1986-04-22 | Aioi Keiki K.K. | Apparatus for positioning and clamping work clamp pallet for machine tools |
| CN203228039U (en) * | 2013-03-27 | 2013-10-09 | 广州市交通高级技工学校 | Milling clamp for multiple cylindrical workpieces |
| CN104440288A (en) * | 2013-09-12 | 2015-03-25 | 西安志越机电科技有限公司 | Hydraulic driving type multi-station milling fixture |
| CN203737872U (en) * | 2013-12-30 | 2014-07-30 | 海盐双赢管件制造有限公司 | Automatic clamp convenient in clamping |
| WO2016145724A1 (en) * | 2015-03-19 | 2016-09-22 | 江苏大学 | Adjustable clamp for use in marine deck welding test |
| CN107914167A (en) * | 2016-10-09 | 2018-04-17 | 饶长富 | Cylindric workpiece multi-connected clamping device |
| CN210677868U (en) * | 2019-10-15 | 2020-06-05 | 顾叶锋 | Part numerical control machining device |
| CN212020506U (en) * | 2019-12-31 | 2020-11-27 | 张家港台达机械制造有限公司 | Material pipe fixing and positioning device |
| CN214212334U (en) * | 2020-12-30 | 2021-09-17 | 云南云内动力机械制造有限公司 | Bearing cap bolt hole processing fixing device |
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| CN115488670B (en) | 2023-10-13 |
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