CN208811949U - A kind of flexible fixture based on magnetorheological fluid - Google Patents
A kind of flexible fixture based on magnetorheological fluid Download PDFInfo
- Publication number
- CN208811949U CN208811949U CN201821691167.7U CN201821691167U CN208811949U CN 208811949 U CN208811949 U CN 208811949U CN 201821691167 U CN201821691167 U CN 201821691167U CN 208811949 U CN208811949 U CN 208811949U
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- China
- Prior art keywords
- box body
- magnetorheological fluid
- mandril
- guide channel
- sealing plate
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Abstract
The utility model discloses a kind of flexible fixture based on magnetorheological fluid, including shell and clamp arm, the clamp arm was uniformly distributed around shell one week；On the side wall of shell, guide channel is offered, the clamp arm is installed in the guide channel；The clamp arm includes the open box body in side, and a thermal expansion ring is equipped in box body, thermally expands and is equipped with magnet exciting coil between ring and box body；It is equipped with sealing plate in the open sides of box body, is filled with magnetorheological fluid between box body, sealing plate and thermal expansion ring；Several mandrils are additionally provided in box body, one end of the mandril passes through sealing plate；It is equipped with a baffle in the outer end of guide channel, at least one through-hole is equipped on baffle.The utility model is easy to use, and clamping locating effect is more preferable, and the clamping of workpiece of different shapes is able to carry out by the fixture, more adaptable, and a sleeve clamp is only needed to can be realized as the processing in each face of same workpiece, thus greatly reduces processing cost.
Description
Technical field
The utility model relates to a kind of clamping device more particularly to a kind of flexible fixtures based on magnetorheological fluid.
Background technique
Machining refers to the mistake being changed by outer dimension, structure or performance of a kind of mechanical equipment to workpiece
Journey during processing workpiece requires that workpiece is clamped and is positioned using fixture.General positioning is adopted more
It is carried out with the mode of plane and two pits.But because workpiece is many kinds of, the shape of every kind of workpiece is also not quite similar；And some
The cuboid or cylindrical body of workpiece shapes not instead of standard, shape is more peculiar, can be referred to as the workpiece of abnormity；Due to different
The irregular characteristic of shape workpiece, it is in process, also very troublesome to the clipping operation of special-shaped workpiece, and clamp positioning effect
Fruit is also poor；To cause biggish trouble to the clamping of workpiece positioning.It is to be directed to be somebody's turn to do mostly to guarantee special-shaped workpiece processing
Special-shaped workpiece develops corresponding special fixture, but processes if necessary to the face different to workpiece, it is necessary to which exploitation is more
A fixture, which not only adds processing costs；Also, it is clamped positioning using different fixtures, is also brought to processing
Inconvenience, while reducing processing efficiency.
Utility model content
In view of the above shortcomings of the prior art, utility model aims to solve existing fixture bad adaptability,
Clamping effect is poor, and causes that processing efficiency is low, and the high problem of processing cost provides a kind of flexible fixture based on magnetorheological fluid,
Easy to use, clamping locating effect is more preferable, and the clamping of workpiece of different shapes is able to carry out by the fixture, more adaptable,
And it only needs a sleeve clamp to can be realized as the processing in each face of same workpiece, thus greatly reduces processing cost.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is such that a kind of based on magnetorheological
The flexible fixture of liquid, including shell and clamp arm, the shell are tubular structure, and the clamp arm was at least three, and around shell one week
It is uniformly distributed；It is characterized by: on the side wall of shell, it is logical that the position of corresponding clamp arm offers the guiding through housing sidewall
Road, the length direction of the guide channel and shell it is radially consistent；The clamp arm is installed in the guide channel, and logical with guiding
Road is slidably matched connected；
The clamp arm includes a box body, which is open sides close to the side of case inside, and it is swollen that a heat is equipped in box body
Tensioner ring, the axial direction of the thermal expansion ring and the length direction of guide channel are consistent, and thermally expand ring outside and box body side wall it
Between have gap, be arranged with magnet exciting coil in this gap；One is equipped with by the closed sealing plate of box body in the open sides of box body,
Box body, sealing plate and thermal expansion collar at cavity in be filled with magnetorheological fluid；Several mandrils are additionally provided in box body, it is described
The length direction of mandril and shell it is radially consistent, pass through sealing plate close to one end of case inside and match with sealing plate sliding
It closes and is connected；It is located at the part in box body in mandril and is arranged with first back-moving spring, one end of the first back-moving spring and sealing plate
It is fixedly connected, the other end is fixedly connected with the end of mandril, and under the action of reset spring, one end that mandril is located in box body is leaned on
Hold together sealing plate；
It is equipped with a baffle in the outer end of guide channel, which is fixedly connected with the casing, and by the outer end seal of guide channel
It closes；At least one through-hole being connected with guide channel is equipped on baffle.
It is therefore being used in the present solution, guide channel, clamp arm and baffle are integrally formed the structure similar with hydraulic cylinder
When the through-hole on baffle need to be only connected by pipeline with hydraulic control system, automatically moving for clamp arm can be realized.Specifically,
Workpiece to be processed is put into shell, hydraulic oil is then injected into guide channel by hydraulic control system, in hydraulic oil
Make clamp arm mobile to case inside direction under promotion.In moving process, mandril is gradually contacted with workpiece to be processed, due to hydraulic
The effect of oil, mandril will continue to move after contacting workpiece to be processed, and at this moment, mandril just will receive the reaction of workpiece to be processed
Power and stretch reset spring, the one end for being located at mandril in box body is mobile to hull outside direction；Until the uniform work of all mandrils
After part contact, fuel cut-off is controlled by hydraulic control system.Then, it powers to magnet exciting coil, after magnet exciting coil is powered, magnetic current
Become liquid instantaneous solidification under the influence of a magnetic field, so that the position of mandril be fixed, realizes the clamping positioning of special-shaped workpiece.Meanwhile
The heat that magnet exciting coil generates after being powered acts on thermal expansion ring, so that thermal expansion ring expands and squeezes magnetorheological fluid, so that magnetic
The magnetic linkage overstriking of rheology liquid is to increase the shear stress of magnetorheological fluid.After workpiece to be processed completion of processing, by magnet exciting coil
Power-off, magnetorheological fluid become Newtonian fluid again again, and mandril can move freely；Meanwhile hydraulic oil is carried out by hydraulic control system
It excludes, to carry out pressure release, consequently facilitating taking out manufactured workpiece.
Further, the mandril is distributed along the axial direction of shell；In such manner, it is possible to be preferably clamped to workpiece to be processed
Positioning.
Further, one end that the mandril is located in box body expands to form wedge-shaped part, and the wedge-shaped part is in shell
One end of side is greater than close to one end of hull outside；The first back-moving spring is connected with the wedge-shaped part.In this way, working as work to be processed
If unstable minute movement occurs in part process will lead to mandril movement, and wedge-shaped part will make the magnetorheological fluid of surrounding
At extruding so that the shear stress of magnetorheological fluid increases again, the movement of mandril is hindered, to hinder workpiece to be processed
Irregular movement.
Further, second back-moving spring is equipped between box body and baffle, the both ends of the second back-moving spring are distinguished
It is fixedly connected with box body and baffle, and under the action of second back-moving spring, box body draws close baffle.Workpiece to be processed processes
Finish, after hydraulic control system controls hydraulic oil exclusion, under the action of the second back-moving spring, clamp arm can be restored to initial bit
It sets, consequently facilitating the use of processing next time.
Further, the both ends of the thermal expansion ring are pushed against with baffle and sealing plate respectively；In such manner, it is possible to effectively by magnetic
Rheology liquid is isolated with magnet exciting coil, to influence the performance of magnetorheological fluid after avoiding magnet exciting coil heating power.
Further, the thermal expansion ring is made of marmem；Using marmem, state is by temperature
Influence is more significant, so as to preferably act on magnetorheological fluid, to increase magnetorheological fluid to the locating effect of mandril.
Further, bushing is equipped between mandril and sealing plate；To prevent between mandril and sealing plate due to friction
It causes to wear
Further, the bushing uses linear bearing；In this way, can be further ensured that the movement of mandril is smooth.
Further, sealing ring is equipped between mandril and bushing and between box body and the side wall of guide channel；
To avoid magnetorheological fluid and hydraulic oil from revealing.
Further, pipe fitting is installed on the outside of the through-hole of baffle；In this way, when in use, attended operation is more convenient,
Fast, processing efficiency can be effectively improved.
Compared with prior art, the utility model has the advantages that
1, structure is simple, processes and easy to make, and overall cost is cheap.
2, easy to use, clamping good positioning effect can be realized by the cooperation of multiple clamp arm to the effective of special-shaped workpiece
Clamping, and it is more preferable to the clamping effect of special-shaped workpiece, and stability is stronger.
3, adaptable, workpiece of different shapes can be clamped, also can different conditions to same workpiece into
Row clamping, to be processed by multiple faces that this fixture is able to carry out various workpieces or same workpiece；To substantially reduce
The processing cost of workpiece.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 be Fig. 1 along A-A to cross-sectional view.
In figure: 1-shell, 2-guide channels, 3-box bodys, 4-thermal expansion rings, 5-magnet exciting coils, 6-sealing plates,
7-magnetorheological fluids, 8-mandrils, 9-first back-moving springs, 10-baffles, 11-wedge-shaped parts, 12-bushings, 13-works to be processed
Part.
Specific embodiment
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail.
Embodiment: referring to Fig. 1, Fig. 2, a kind of flexible fixture based on magnetorheological fluid, including shell 1 and clamp arm；The shell
Body 1 is tubular structure, and the clamp arm is at least three, and is uniformly distributed around shell 1 one weeks；When it is implemented, the clamp arm is 4
It is a, in such manner, it is possible to the surrounding of workpiece to be processed 13 with apply chucking power, to make the clamping effect of workpiece to be processed 13 more
Good, stability is more preferable.On the side wall of shell 1, the position of corresponding clamp arm offers the guide channel 2 through 1 side wall of shell, should
The length direction of guide channel 2 is radially consistent with shell 1.The clamp arm is installed in the guide channel 2, and and guide channel
2 be slidably matched it is connected.
The clamp arm includes a box body 3, which is slidably matched with guide channel 2 is connected, in box body 3 and guide channel 2
There is sealing ring between side wall；To avoid hydraulic oil from revealing.The box body 3 is open sides close to the side of 1 inside of shell,
A thermal expansion ring 4 is equipped in box body 3；The axial direction of the thermal expansion ring 4 is consistent with the length direction of guide channel 2, and thermally expands ring 4
Outside and box body 3 side wall between have gap, be arranged with magnet exciting coil 5 in this gap.In the actual processing process, it encourages
The both ends of magnetic coil 5 are pierced by from the closed side of box body 3, and extend to 1 outside of shell, in order to be powered to magnet exciting coil 5.
One is equipped with by the closed sealing plate 6 of box body 3 in the open sides of box body 3, is surrounded in box body 3, sealing plate 6 and thermal expansion ring 4
Magnetorheological fluid 7 is filled in cavity.When it is implemented, the both ends of the thermal expansion ring 4 are supported with baffle 10 and sealing plate 6 respectively
Tightly；In such manner, it is possible to effectively magnetorheological fluid 7 is isolated with magnet exciting coil 5, to be influenced after avoiding 5 heating power of magnet exciting coil
The performance of magnetorheological fluid 7.Wherein, the thermal expansion ring 4 is made of marmem；Using marmem, state
It is affected by temperature more significantly, so as to preferably act on magnetorheological fluid 7, to increase positioning of the magnetorheological fluid 7 to mandril 8
Effect.
Several mandrils 8 are additionally provided in box body 3, wherein axial direction distribution of the mandril 8 along shell 1；In such manner, it is possible to more
Positioning is clamped to workpiece to be processed 13 well.The length direction of the mandril 8 is radially consistent with shell 1, close to shell
One end of 1 inside of body, which passes through sealing plate 6 and is slidably matched with sealing plate 6, to be connected.Bushing is equipped between mandril 8 and sealing plate 6
12；To prevent from causing to wear because of friction between mandril 8 and sealing plate 6.Preferably, the bushing 12 uses linear axis
It holds；In this way, can be further ensured that the movement of mandril 8 is smooth.Sealing ring is equipped between mandril 8 and bushing 12；To avoid magnetic
The leakage of 7 ground of rheology liquid.It is located at the part in box body 3 in mandril 8 and is arranged with first back-moving spring 9, the one of the first back-moving spring 9
End is fixedly connected with sealing plate 6, and the other end is fixedly connected with the end of mandril 8, and under the action of reset spring, mandril 8 is located at
Sealing plate 6 is drawn close in one end in box body 3.When it is implemented, one end that the mandril 8 is located in box body 3 expands to form wedge-shaped part
11, and the wedge-shaped part 11 is greater than one end close to 1 outside of shell close to one end of 1 inside of shell；The first back-moving spring 9 with
The wedge-shaped part 11 is connected.In this way, will lead to the shifting of mandril 8 when if unstable minute movement occurs in 13 process of workpiece to be processed
It is dynamic, and wedge-shaped part 11 will the magnetorheological fluid 7 to surrounding cause to squeeze the resistance so that the shear stress of magnetorheological fluid 7 increases again
The movement of mandril 8 is hindered, to hinder the irregular movement of workpiece to be processed 13.
It is equipped with a baffle 10 in the outer end of guide channel 2, which is fixedly connected with shell 1, and by guide channel 2
Outer end closing.Between box body 3 and baffle 10 be equipped with second back-moving spring, the both ends of the second back-moving spring respectively with box body
3 are fixedly connected with baffle 10, and under the action of second back-moving spring, box body 3 draws close baffle 10.Workpiece to be processed 13 processes
Finish, after hydraulic control system controls hydraulic oil exclusion, under the action of the second back-moving spring, clamp arm can be restored to initial bit
It sets, consequently facilitating the use of processing next time.At least one through-hole being connected with guide channel 2 is equipped on baffle 10；It is keeping off
Pipe fitting is installed on the outside of the through-hole of plate 10；In this way, when in use, attended operation is more convenient, quick, it can effectively improve and add
Work efficiency rate.When it is implemented, being additionally provided with the string holes passed through for the both ends of magnet exciting coil 5, on baffle 10 in order to magnet exciting coil 5
Both ends stretch out be followed by electricity.
In the present solution, therefore guide channel 2, clamp arm and baffle 10, which are integrally formed the structure similar with hydraulic cylinder, to be made
Through-hole on baffle 10 need to be only connected by pipeline with hydraulic control system by the used time, and automatically moving for clamp arm can be realized.Tool
Body, workpiece to be processed 13 is put into shell 1, hydraulic oil is then injected into guide channel 2 by hydraulic control system,
Make clamp arm mobile to 1 interior direction of shell under the promotion of hydraulic oil.In moving process, mandril 8 gradually with workpiece to be processed 13
Contact, due to the effect of hydraulic oil, mandril 8 will continue to move after contacting workpiece to be processed 13, and at this moment, mandril 8 just will receive
The reaction force of workpiece to be processed 13 and stretch reset spring, the one end for being located at mandril 8 in box body 3 is to 1 lateral direction of shell
It is mobile；Until controlling fuel cut-off by hydraulic control system after the contact of all 8 uniform articles of mandril.Then, to magnet exciting coil
5 power supplies, after magnet exciting coil 5 is powered, the instantaneous solidification under the influence of a magnetic field of magnetorheological fluid 7, so that the position of mandril 8 is fixed,
Realize the clamping positioning of special-shaped workpiece.Meanwhile the heat generated after the energization of magnet exciting coil 5 acts on thermal expansion ring 4, so that heat is swollen
Tensioner ring 4 expands and squeezes magnetorheological fluid 7, so that the magnetic linkage overstriking of magnetorheological fluid 7 is to increase the shear stress of magnetorheological fluid 7.
After 13 completion of processing of workpiece to be processed, magnet exciting coil 5 is powered off, magnetorheological fluid 7 becomes Newtonian fluid again again, and mandril 8 can be certainly
By moving；Meanwhile hydraulic oil exclusion is carried out by hydraulic control system, to carry out pressure release, consequently facilitating taking out manufactured
Workpiece.
The utility model structure is simple, easy to use, clamps good positioning effect, passes through the cooperation of multiple clamp arm, Neng Goushi
Now to effective clamping of special-shaped workpiece, and it is more preferable to the clamping effect of special-shaped workpiece, and stability is stronger；It is adaptable simultaneously,
Workpiece of different shapes can be clamped, the different conditions of same workpiece can also be clamped, to pass through this folder
Tool is able to carry out various workpieces or multiple faces of same workpiece are processed；Thus greatly reduce the processing cost of workpiece.
Finally, it should be noted that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application technology
Scheme, those skilled in the art should understand that, those are modified to the technical solution of the utility model or are equal
Replacement, without departing from the objective and range of the technical program, should all cover in the scope of the claims of the utility model.
Claims (10)
1. a kind of flexible fixture based on magnetorheological fluid, including shell and clamp arm, the shell is tubular structure, and the clamp arm is
At least three, and be uniformly distributed around shell one week；It is characterized by: the position of corresponding clamp arm, which offers, to be passed through on the side wall of shell
Wear the guide channel of housing sidewall, the length direction of the guide channel and shell it is radially consistent；The clamp arm is installed on this and leads
Into channel, and it is slidably matched and is connected with guide channel；
The clamp arm includes a box body, which is open sides close to the side of case inside, and a thermal expansion ring is equipped in box body,
The axial direction of the thermal expansion ring and the length direction of guide channel are consistent, and have between the outside of thermal expansion ring and the side wall of box body
Gap is arranged with magnet exciting coil in this gap；Be equipped with one for the closed sealing plate of box body in the open sides of box body, box body,
Sealing plate and thermal expansion collar at cavity in be filled with magnetorheological fluid；Several mandrils, the mandril are additionally provided in box body
Length direction and shell it is radially consistent, pass through sealing plate close to one end of case inside and be slidably matched phase with sealing plate
Even；It is located at the part in box body in mandril and is arranged with first back-moving spring, one end and the sealing plate of the first back-moving spring is fixed
Connection, the other end is fixedly connected with the end of mandril, and under the action of reset spring, one end that mandril is located in box body is drawn close close
Sealing plate；
It is equipped with a baffle in the outer end of guide channel, which is fixedly connected with the casing, and the outer end of guide channel is closed；?
Baffle is equipped at least one through-hole being connected with guide channel.
2. a kind of flexible fixture based on magnetorheological fluid according to claim 1, it is characterised in that: the mandril is along shell
Axial distribution.
3. a kind of flexible fixture based on magnetorheological fluid according to claim 1, it is characterised in that: the mandril is located at box
Intracorporal one end expands to form wedge-shaped part, and the wedge-shaped part is greater than close to one end of case inside close to one end of hull outside；
The first back-moving spring is connected with the wedge-shaped part.
4. a kind of flexible fixture based on magnetorheological fluid according to claim 1, it is characterised in that: box body and baffle it
Between be equipped with second back-moving spring, the both ends of the second back-moving spring are fixedly connected with box body and baffle respectively, and multiple second
Under the action of the spring of position, box body draws close baffle.
5. a kind of flexible fixture based on magnetorheological fluid according to claim 1, it is characterised in that: the thermal expansion ring
Both ends are pushed against with baffle and sealing plate respectively.
6. a kind of flexible fixture based on magnetorheological fluid according to claim 1, it is characterised in that: the thermal expansion ring by
Marmem is made.
7. a kind of flexible fixture based on magnetorheological fluid according to claim 1, it is characterised in that: in mandril and sealing plate
Between be equipped with bushing.
8. a kind of flexible fixture based on magnetorheological fluid according to claim 7, it is characterised in that: the bushing is using straight
Spool is held.
9. a kind of flexible fixture based on magnetorheological fluid according to claim 7, it is characterised in that: mandril and bushing it
Between and box body and the side wall of guide channel between be equipped with sealing ring.
10. a kind of flexible fixture based on magnetorheological fluid according to claim 1, it is characterised in that: in the through-hole of baffle
Outside is equipped with pipe fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821691167.7U CN208811949U (en) | 2018-10-18 | 2018-10-18 | A kind of flexible fixture based on magnetorheological fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821691167.7U CN208811949U (en) | 2018-10-18 | 2018-10-18 | A kind of flexible fixture based on magnetorheological fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208811949U true CN208811949U (en) | 2019-05-03 |
Family
ID=66279959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821691167.7U Expired - Fee Related CN208811949U (en) | 2018-10-18 | 2018-10-18 | A kind of flexible fixture based on magnetorheological fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208811949U (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434784A (en) * | 2019-09-06 | 2019-11-12 | 温州集袖贸易有限公司 | A kind of steel detection fixture clamping a variety of steel patterns |
| CN110722386A (en) * | 2019-10-24 | 2020-01-24 | 大连理工大学 | Magnetorheological fluid flexible clamping device and method for blade parts |
| CN111775077A (en) * | 2020-05-30 | 2020-10-16 | 徐东科 | Limiting device for injection mold machining |
| CN111872871A (en) * | 2020-07-31 | 2020-11-03 | 杭州喙个科技有限公司 | Cosmetic bottle fixing device that multiform form was adapted |
| CN112247871A (en) * | 2020-09-27 | 2021-01-22 | 浙江师范大学 | Magnetorheological support device applied to complex curved surface structure |
| CN112428182A (en) * | 2020-11-19 | 2021-03-02 | 宁波吉鑫机械制造有限公司 | Clamping device is used in processing of non-mark machine part |
| CN112568086A (en) * | 2020-12-30 | 2021-03-30 | 赵小林 | Trunk holding device for feller |
| CN112677077A (en) * | 2020-12-16 | 2021-04-20 | 宁波金日机床有限公司 | Part clamping and fixing device based on mechanical manufacturing |
| CN112677076A (en) * | 2020-12-16 | 2021-04-20 | 宁波金日机床有限公司 | Clamping and fixing device for machining mechanical parts |
| CN113008623A (en) * | 2021-04-14 | 2021-06-22 | 重庆交通大学 | Deep water sediment sampling method for water ecological investigation |
| CN113183058A (en) * | 2021-04-19 | 2021-07-30 | 湖北宏博汽车工业智能装备有限公司 | Universal clamp |
| WO2022068180A1 (en) * | 2020-09-29 | 2022-04-07 | 深圳市中图仪器股份有限公司 | Fixing clamp for shaft part measurement |
| CN115302278A (en) * | 2022-10-11 | 2022-11-08 | 南通至顺聚氨酯材料有限公司 | Machine tool clamp for hardware machining |
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2018
- 2018-10-18 CN CN201821691167.7U patent/CN208811949U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110434784A (en) * | 2019-09-06 | 2019-11-12 | 温州集袖贸易有限公司 | A kind of steel detection fixture clamping a variety of steel patterns |
| CN110722386A (en) * | 2019-10-24 | 2020-01-24 | 大连理工大学 | Magnetorheological fluid flexible clamping device and method for blade parts |
| CN110722386B (en) * | 2019-10-24 | 2020-09-29 | 大连理工大学 | Magnetorheological fluid flexible clamping device and method for blade parts |
| CN111775077A (en) * | 2020-05-30 | 2020-10-16 | 徐东科 | Limiting device for injection mold machining |
| CN111872871A (en) * | 2020-07-31 | 2020-11-03 | 杭州喙个科技有限公司 | Cosmetic bottle fixing device that multiform form was adapted |
| CN112247871A (en) * | 2020-09-27 | 2021-01-22 | 浙江师范大学 | Magnetorheological support device applied to complex curved surface structure |
| WO2022068180A1 (en) * | 2020-09-29 | 2022-04-07 | 深圳市中图仪器股份有限公司 | Fixing clamp for shaft part measurement |
| CN112428182A (en) * | 2020-11-19 | 2021-03-02 | 宁波吉鑫机械制造有限公司 | Clamping device is used in processing of non-mark machine part |
| CN112677077A (en) * | 2020-12-16 | 2021-04-20 | 宁波金日机床有限公司 | Part clamping and fixing device based on mechanical manufacturing |
| CN112677076A (en) * | 2020-12-16 | 2021-04-20 | 宁波金日机床有限公司 | Clamping and fixing device for machining mechanical parts |
| CN112568086A (en) * | 2020-12-30 | 2021-03-30 | 赵小林 | Trunk holding device for feller |
| CN112568086B (en) * | 2020-12-30 | 2024-05-07 | 南京爱威夫机械制造科技有限公司 | Trunk clasping device for felling machine |
| CN113008623A (en) * | 2021-04-14 | 2021-06-22 | 重庆交通大学 | Deep water sediment sampling method for water ecological investigation |
| CN113183058A (en) * | 2021-04-19 | 2021-07-30 | 湖北宏博汽车工业智能装备有限公司 | Universal clamp |
| CN115302278A (en) * | 2022-10-11 | 2022-11-08 | 南通至顺聚氨酯材料有限公司 | Machine tool clamp for hardware machining |
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