CN109623057A - A kind of thin-walled handware fixture - Google Patents
A kind of thin-walled handware fixture Download PDFInfo
- Publication number
- CN109623057A CN109623057A CN201811565876.5A CN201811565876A CN109623057A CN 109623057 A CN109623057 A CN 109623057A CN 201811565876 A CN201811565876 A CN 201811565876A CN 109623057 A CN109623057 A CN 109623057A
- Authority
- CN
- China
- Prior art keywords
- grip block
- gear
- mounting base
- thin
- clamping device
- 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.)
- Granted
Links
- 238000005520 cutting process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000003447 ipsilateral effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H7/00—Processes or apparatus applicable to both electrical discharge machining and electrochemical machining
- B23H7/02—Wire-cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
-
- 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
- B23Q3/064—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding elongated workpieces, e.g. pipes, bars or profiles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Jigs For Machine Tools (AREA)
- Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)
Abstract
The present invention relates to pipe fitting processing technique field, especially a kind of thin-walled handware fixture, including the support device set gradually on the rack and clamping device, clamping device includes mounting base, gear and at least one clamping device；Gear is rotatably installed in mounting base, and clamping device includes the first grip block and the second grip block, and the first grip block is slidably mounted in mounting base, and rack gear, rack and pinion engagement are fixedly connected on the second grip block；Slide is provided between second grip block and gear, rack gear slides in slide；First grip block can offset with the second grip block；Support device includes for accepting pipe fitting and height-adjustable support frame.This programme, can be by the firm clamping of pipe fitting of different shapes when cutting thin-wall pipe of different shapes.
Description
Technical field
The present invention relates to pipe fitting processing technique fields, and in particular to a kind of thin-walled handware fixture.
Background technique
In all kinds of fixtures used in the manufacturing procedure of current wire cutting pipe fitting, fixture to the adaptability of part generally compared with
Difference, often some irregular pipe fittings can not carry out clamping with fixture, when cutting processing thin-wall pipe online, since thin-wall pipe is deposited
The features such as wall is thin, poor rigidity and intensity are weak, it is easily deformed such pipe fitting under the cramping of fixture.
In the prior art, the two opposite vertical plates that are usually slidably installed on the rack press from both sides pipe fitting from the outer wall of pipe fitting
Tightly；Two vertical plates being slidably installed can adjust the different size of pipe fitting of vertical plate progress by sliding vertical plate and be clamped；Two
The screw rod across vertical plate is rotatably equipped between vertical plate, rotation screw rod carries out the adjusting of the distance between vertical plate, and reduction clamped
Rigid shock in journey.Although in this way the pipe fitting of different size specification can be clamped, it is difficult to be adapted to or clamp different shape
Pipe fitting.
Summary of the invention
The purpose of the present invention is to provide a kind of thin-walled handware fixtures, can cut thin-wall pipe of different shapes
When, by the firm clamping of pipe fitting of different shapes.
In order to achieve the above objectives, the base case that technical solution of the present invention provides are as follows:
A kind of thin-walled handware fixture, including the support device set gradually on the rack and clamping device, clamping device
Including mounting base, gear and at least one clamping device；Gear is rotatably installed in mounting base, and clamping device includes the first clamping
Block and the second grip block, the first grip block are slidably mounted in mounting base, are fixedly connected with rack gear on the second grip block, rack gear with
Gear engagement；Slide is provided between second grip block and gear, rack gear slides in slide；First grip block can be with the second folder
Block is held to offset；Support device includes support frame that be used to support pipe fitting and height-adjustable.
This programme has the technical effect that
1, successively fittable slackening device and clamping device in rack be set, and clamping device includes mounting base, gear and at least
One clamping device, gear are rotatably installed in mounting base, and gear can be driven by a motor rotation.Clamping device includes the first clamping
Block and the second grip block, the first grip block are slidably mounted in mounting base, make the first grip block can in mounting base to close or
Direction far from the second grip block moves, and the first grip block and the second grip block is enable to clamp the pipe wall of pipe fitting end.
Pipe fitting of different shapes can be clamped by such mode, and be compared in the prior art directly with two
A opposite vertical plate is clamped from pipe fitting outer wall, and such mode can be avoided to thin-wall pipe rigid shock and squeeze and leads
The pipe fitting of cause deforms.
2, it is arranged on the second grip block and is fixedly connected with rack gear, rack and pinion engagement, gear rotation can be with carry-over bar
Movement, so that the second grip block be made to move to the direction close to or far from the first grip block；The first grip block and the are adjusted simultaneously
The position of two grip blocks can be adapted to the pipe fitting of different size specification.
3, the slide having for rack gear sliding, the process that move rack gear will not again are set between the second grip block and gear
In shift or be disengaged from and influence the motion path of the second grip block, and then influence the clamping effect of clamping device.
4, height-adjustable support frame is set, support frame is for accepting pipe fitting, when being cut to pipe fitting, clamping dress
It sets and clamps the end of pipe fitting, support frame accepts pipe fitting, and pipe fitting is made in cutting process to be not susceptible to deviate because of stress and led
Cause the problem of cutting accuracy difference.
Using the technical program, the first grip block is slidably mounted in mounting base, and the second grip block is fixedly connected with rack gear, tooth
Item is engaged with gear；The first grip block is slided, rotate gear keeps the first grip block and the second grip block close to each other, and then will
The tube wall of pipe fitting end clamps, so that pipe fitting be clamped.The cunning for rack gear sliding is provided between second grip block and gear
Seat, makes rack gear not shift or be disengaged from during the motion.Height-adjustable support frame makes for accepting pipe fitting
Pipe fitting be not susceptible to deviate because of stress in cutting process caused by cutting accuracy difference problem.
Further, slide opening is provided in mounting base, the first grip block is fixedly connected with threaded rod；It wears one end of threaded rod
It crosses slide opening and has been threadedly engaged nut, threaded rod can move in slide opening towards the direction close to the second grip block.
Slide opening is set in mounting base, the first grip block is fixedly connected with threaded rod, one end of threaded rod pass through slide opening and
It has been threadedly engaged nut.The first grip block is fixed in mounting base by the nut on screw thread bar；Unclamp nut then
The angle of adjustable first grip block enables clamping device when clamping cylindrical tubular member by the tilt angle of grip block
It is adapted to the angle of tube wall.The position of adjustable first grip block after nut unclamps simultaneously, make the first grip block towards close or
Direction far from the second grip block moves.
Further, at least one mounting hole is provided in mounting base, slide is removably mounted on mounting hole.
There is at least one mounting hole in setting mounting base, slide is removably mounted on mounting hole, when mounting hole only has one
When a, slide can carry out angular adjustment, and the rack gear slided on slide is made to carry out the adjusting of position, so that cooperation be gone to carry out angle
The first grip block adjusted is spent, keeps clamping device more so firm that be clamped.When mounting hole has several, Ke Yijin
The conversion of the position of row slide makes the evolution of rack gear, can also reach the effect for making the first grip block cooperate the second grip block
Fruit.
Further, clamping device includes four clamping devices, and four clamping devices are uniformly distributed in the axle center with gear
For on the circumference in the center of circle, the rack gear of four clamping devices is not in contact with each other.
Four clamping devices are set, and four clamping devices are uniformly distributed in using the axle center of gear to press from both sides on the circumference in the center of circle
It holds mechanism and is located at the not ipsilateral of mounting base, enable the clamping for carrying out each orientation when clamping to the end of pipe fitting, make clamping
The effect clamping device that compares is more firm.Gear rotation, the rack gear of four clamping devices is not mutually when with carry-over bar operation
Contact, enables each clamping device to operate and not interfere with each other simultaneously.
Further, the first grip block has vertical part and the horizontal part, is provided on the first grip block for measuring tube wall
The graduation mark of thickness.
The first grip block, which is arranged, vertical part and the horizontal part, and a portion of the first grip block is affixed on installation seating face,
And the side of the part is provided with scale.When the first grip block and the second grip block clamping pipe fitting, the second grip block is advanced to the
On one grip block, pipe fitting is clamped between two grip blocks at this time, and the scale on the first grip block can show that pipe at this time
Whether the pipe thickness of part, the pipe thickness that can measure pipe fitting are up to specification.From the first grip block of four clamping devices
Whether upper observation, the pipe thickness that can measure pipe fitting are uniform.
Further, support frame is in U-shape.
Setting support frame is in U-shape, and pipe fitting is placed on support frame, and during being clamped, two of support frame are perpendicular
Straight end can carry out a limitation to pipe fitting, and pipe fitting is allowed to be unlikely to fall from side.
Detailed description of the invention
Fig. 1 is a kind of main view of thin-walled handware fixture of the present invention；
Fig. 2 is the A-A cross-sectional view of Fig. 1.
Specific embodiment
It is further described below by specific embodiment:
Appended drawing reference in Figure of description includes: mounting base 1, slide opening 2, the first grip block 3, the second grip block 4, rack gear
5, gear 6, slide 7, mounting hole 8, threaded rod 9, nut 10, motor 11, support frame 12, telescopic rod 13, rack 14, pipe fitting 15.
Embodiment is substantially as shown shown in Figure 1 and Figure 2:
As shown in Fig. 2, a kind of thin-walled handware fixture, including the support device being set gradually from left to right in rack 14
And clamping device.Support device includes the support frame 12 and telescopic rod 13 successively installed from top to bottom, and support frame 12 is in U-shape, and
What is be in U-shape installs facing towards clamping device, and the lower end of support frame 12 is welded on the upper end of telescopic rod 13；It hangs down the lower end of telescopic rod 13
It is directly welded in rack 14, telescopic rod 13 is controlled flexible by cylinder (picture is not drawn into).
As shown in Figure 1, clamping device includes that mounting base 1, gear 6 and four clamping devices, mounting base 1 are in the form of annular discs.Such as
Shown in Fig. 2, gear 6 is vertically mounted on the center of circle of mounting base 1, and the right side of gear 6 passes through the output axis connection of welding with motor 11,
Motor 11 is welded in the right side of mounting base 1.As shown in Figure 1, four clamping devices are located at the side up and down of mounting base 1,
Clamping device includes the first grip block 3 and the second grip block 4, and the first grip block 3 is located remotely from the side of gear 6, the second folder
Block 4 is held to be located at close to the side of gear 6.
As shown in Figure 1, being provided with the slide opening 2 of strip corresponding with 3 position of the first grip block in mounting base 1, slide opening 2 is being pacified
It fills and is arranged along the first grip block 3 close to the direction of the second grip block 4 on seat 1, as shown in Fig. 2, slide opening 2 runs through mounting disc 1.Such as figure
Shown in 2, the first grip block 3 is L shape, and the vertical portion of the first grip block 3 fits in mounting base 1, is provided on the left of vertical portion
Graduation mark (is not drawn into) in figure；The right side of first grip block 3 is welded with threaded rod 9, and the right end of threaded rod 9 is pierced by slide opening 2 and position
In the right end of mounting base 1, the right end of threaded rod 9 has been threadedly engaged nut 10.
As shown in Figure 1, being welded with rack gear 5 on the second grip block 4, rack gear 5 is engaged with gear 6.Second grip block 4 and tooth
There is slide 7 between wheel 6, mounting hole 8 is provided in mounting base 1, slide 7 is fastened on installation by Elastic buckle (being not drawn into figure)
On hole 8, prevent slide 7 from loosening or falling from mounting hole 8.As shown in Fig. 2, rack gear 5 is embedded in slide 7, and rack gear 5 can be in slide
It is slided in 7 along the direction that the second grip block moves；The rack gear 5 of four clamping devices is located at different perpendiculars, each rack gear 5
Position on gear 6 is different, and the length of corresponding sliding block is also different, prevents rack gear 5 in each clamping device during exercise
Interference is generated mutually.
Specific implementation process is as follows:
A, pipe fitting inner wall pushes against
As shown in Fig. 2, pipe fitting 15 is placed horizontally on support frame 12, the nozzle end of pipe fitting 15 is made to face mounting base 1,
Pipe fitting 15 is pushed to offset to 15 end of pipe fitting with mounting base 1, tube wall is between the first grip block 3 and the second grip block 4.It opens
Motor 11, as shown in Figure 1, rotate counterclockwise gear 6, the rotation of gear 6 drive up and down four rack gears 5 it is corresponding up and down
It is slided on four slides 7 in left and right, rack gear 5 is made to drive the second grip block 4 from four direction up and down towards close to the first grip block 3
Direction movement, until four the second grip blocks 4 are pushed against along the different directions of 15 inner wall of pipe fitting.
B, pipe fitting outer wall pushes against
The nut 10 on all threaded rods 9 is unscrewed at this time, the first grip block 3 of each clamping device is pushed to slide
Extremely offset with 15 outer wall of pipe fitting；The angle for adjusting the first grip block 3 pushes against the first grip block 3 with pipe fitting 15, then tightens nut
10, the position of the first grip block 3 is fixed, the i.e. clamped device of pipe fitting 15 clamps, then adjusts telescopic rod 13 and adjust support frame
12 height, makes support frame 12 accept clamped pipe fitting 15, and pipe fitting 15 is in stable state.By observing the first grip block 3
On graduation mark can measure pipe fitting 15 wall thickness and pipe fitting 15 wall thickness it is whether uniform.
More than one piece different size or pipe fitting of different shapes 15 can be processed by repeating the above steps.
Claims (6)
1. a kind of thin-walled handware fixture, it is characterised in that: including the support device set gradually on the rack and clamping device,
The clamping device includes mounting base, gear and at least one clamping device；The gear is rotatably installed in mounting base, described
Clamping device includes the first grip block and the second grip block, and first grip block is slidably mounted in mounting base, and described second
Rack gear, rack and pinion engagement are fixedly connected on grip block；Slide, rack gear are provided between second grip block and gear
It is slided in slide；First grip block can offset with the second grip block；Support device include be used to support pipe fitting and it is high
Spend adjustable support frame.
2. thin-walled handware fixture according to claim 1, it is characterised in that: be provided with slide opening, institute in the mounting base
It states the first grip block and is fixedly connected with threaded rod；One end of the threaded rod passes through slide opening and has been threadedly engaged nut, threaded rod
It can be moved in slide opening towards the direction close to the second grip block.
3. thin-walled handware fixture according to claim 1, it is characterised in that: be provided at least one in the mounting base
Mounting hole, slide are removably mounted on mounting hole.
4. thin-walled handware fixture according to claim 1, it is characterised in that: the clamping device includes four clamping machines
Structure, four clamping devices are uniformly distributed in using the axle center of gear as on the circumference in the center of circle, the rack gear of four clamping devices is not connect mutually
Touching.
5. thin-walled handware fixture according to claim 1, it is characterised in that: first grip block have vertical portion and
Horizontal part is provided with the graduation mark for measuring pipe thickness on first grip block.
6. thin-walled handware fixture according to claim 5, it is characterised in that: support frame as described above is in U-shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811565876.5A CN109623057B (en) | 2018-12-20 | 2018-12-20 | Thin-wall hardware clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811565876.5A CN109623057B (en) | 2018-12-20 | 2018-12-20 | Thin-wall hardware clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109623057A true CN109623057A (en) | 2019-04-16 |
| CN109623057B CN109623057B (en) | 2020-04-21 |
Family
ID=66076010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811565876.5A Active CN109623057B (en) | 2018-12-20 | 2018-12-20 | Thin-wall hardware clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109623057B (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390584A (en) * | 2020-03-20 | 2020-07-10 | 涡阳县信隆船舶附件有限公司 | Cabin door machining device for ship |
| CN111659932A (en) * | 2020-06-16 | 2020-09-15 | 韩文飞 | Thin-wall pipe fitting drilling clamp with internal floating support |
| CN111906369A (en) * | 2020-08-08 | 2020-11-10 | 浙江新益德伟健康科技有限公司 | Tubular product cutting equipment of elevating platform production usefulness |
| CN112548614A (en) * | 2020-11-03 | 2021-03-26 | 吴江市富明机械有限公司 | A equipment for accessory production |
| CN113231861A (en) * | 2021-07-12 | 2021-08-10 | 烟台海上航天科技有限公司 | Spacing fixing device is used in production of satellite beacon receiver |
| CN113510498A (en) * | 2021-04-23 | 2021-10-19 | 仪征海天铝业有限公司 | Aluminum profile machining device and method |
| CN113579061A (en) * | 2021-08-30 | 2021-11-02 | 齐晴 | Marking device and using method |
| CN115156634A (en) * | 2022-07-13 | 2022-10-11 | 重庆蓝黛传动机械有限公司 | Thin-wall gear sleeve clamping device |
| CN117102912A (en) * | 2023-08-23 | 2023-11-24 | 广州中誉精密模具有限公司 | Positioning clamp for processing injection mold |
| CN117340785A (en) * | 2023-11-30 | 2024-01-05 | 湖南盛伦智能科技有限公司 | Clamp for machining metal product |
| CN118371803A (en) * | 2024-06-24 | 2024-07-23 | 贵州航飞精密制造有限公司 | Using method of thin-wall circular tube linear cutting clamp |
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| CN206140160U (en) * | 2016-10-27 | 2017-05-03 | 厦门大学嘉庚学院 | Large -scale tubular product cutting jig of firm easy loading and unloading |
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| CN202622607U (en) * | 2012-03-31 | 2012-12-26 | 中国一冶集团有限公司 | Telescopic internal supporting fixation device in pipeline |
| CN104441077A (en) * | 2014-12-15 | 2015-03-25 | 重庆欧帆门业有限公司 | Door body clamping device |
| CN204658018U (en) * | 2015-06-07 | 2015-09-23 | 汤仁秀 | A kind of pipeline processing fixture |
| CN205869529U (en) * | 2016-07-29 | 2017-01-11 | 湖北精工钢结构有限公司 | Fixed frock of pipe drilling |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111390584A (en) * | 2020-03-20 | 2020-07-10 | 涡阳县信隆船舶附件有限公司 | Cabin door machining device for ship |
| CN111390584B (en) * | 2020-03-20 | 2021-10-26 | 涡阳县信隆船舶附件有限公司 | Cabin door machining device for ship |
| CN111659932B (en) * | 2020-06-16 | 2021-05-14 | 韩文飞 | Thin-wall pipe fitting drilling clamp with internal floating support |
| CN111659932A (en) * | 2020-06-16 | 2020-09-15 | 韩文飞 | Thin-wall pipe fitting drilling clamp with internal floating support |
| CN111906369A (en) * | 2020-08-08 | 2020-11-10 | 浙江新益德伟健康科技有限公司 | Tubular product cutting equipment of elevating platform production usefulness |
| CN111906369B (en) * | 2020-08-08 | 2021-06-04 | 浙江新益德伟健康科技有限公司 | Tubular product cutting equipment of elevating platform production usefulness |
| CN112548614B (en) * | 2020-11-03 | 2022-06-14 | 吴江市富明机械有限公司 | A equipment for accessory production |
| CN112548614A (en) * | 2020-11-03 | 2021-03-26 | 吴江市富明机械有限公司 | A equipment for accessory production |
| CN113510498A (en) * | 2021-04-23 | 2021-10-19 | 仪征海天铝业有限公司 | Aluminum profile machining device and method |
| CN113231861A (en) * | 2021-07-12 | 2021-08-10 | 烟台海上航天科技有限公司 | Spacing fixing device is used in production of satellite beacon receiver |
| CN113579061A (en) * | 2021-08-30 | 2021-11-02 | 齐晴 | Marking device and using method |
| CN115156634A (en) * | 2022-07-13 | 2022-10-11 | 重庆蓝黛传动机械有限公司 | Thin-wall gear sleeve clamping device |
| CN117102912A (en) * | 2023-08-23 | 2023-11-24 | 广州中誉精密模具有限公司 | Positioning clamp for processing injection mold |
| CN117340785A (en) * | 2023-11-30 | 2024-01-05 | 湖南盛伦智能科技有限公司 | Clamp for machining metal product |
| CN117340785B (en) * | 2023-11-30 | 2024-04-02 | 湖南盛伦智能科技有限公司 | Clamp for machining metal product |
| CN118371803A (en) * | 2024-06-24 | 2024-07-23 | 贵州航飞精密制造有限公司 | Using method of thin-wall circular tube linear cutting clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109623057B (en) | 2020-04-21 |
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