CN110480373B - Spring jacket mechanism for rapidly installing shaft parts - Google Patents
Spring jacket mechanism for rapidly installing shaft parts Download PDFInfo
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- CN110480373B CN110480373B CN201910682963.7A CN201910682963A CN110480373B CN 110480373 B CN110480373 B CN 110480373B CN 201910682963 A CN201910682963 A CN 201910682963A CN 110480373 B CN110480373 B CN 110480373B
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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
Abstract
The invention discloses a spring jacket mechanism for quickly mounting shaft parts, which comprises: the device comprises a base, a rotary sleeve, a push block, a plurality of short ejector rods and a plurality of long ejector rods; the first clamping assembly comprises a first fixed lock sleeve, a first spring jacket and a second clamping assembly and comprises a second fixed lock sleeve, a second spring jacket, a plurality of reset springs and a linear cylinder, when the linear cylinder backs down, the first spring jacket and the second spring jacket are restored to a clamping state for shaft parts under the pushing of the reset springs, and the rotating sleeve drives the first spring jacket and the second spring jacket to rotate simultaneously when rotating. The spring jacket mechanism can ensure the clamping and fixing of the shaft parts and improve the coaxiality of the shaft parts during installation by arranging the two groups of clamping assemblies, and the shaft parts can be clamped and screwed simultaneously by matching the rotating sleeve and the clamping assemblies to meet the assembly requirement.
Description
Technical Field
The invention relates to the field of auxiliary tools for installing gearboxes, in particular to a spring jacket mechanism for quickly installing shaft parts.
Background
When the gearbox shafting is measured, the tool bolt needs to be screwed down manually or mechanically to reduce the size matched with the shaft, so that the quick clamping function of the shaft is realized.
At present, in a mechanical mode, a shaft clamping and measuring function is realized by using a measuring machine, but the precision required by the measuring machine is high, so that the problems of long assembly time consumption and the like can be caused by the mode, and the influence on the beat, the cost and the manpower can be caused.
In the mechanical clamping process, the air cylinder is used for pulling the two clamping assemblies to realize the clamping function, but the two clamping assemblies are not easy to synchronize and are easy to generate the eccentric phenomenon, and the precision of the mode is low, so that the precision requirement of a measuring machine cannot be met.
In addition, although the technology of current manual clamping axle is simple, because gearbox production line beat is fast, does not have too much time to let the manual work press from both sides tight work piece through screwing up the bolt mode, work efficiency is low in the assembling process, has the long scheduling problem of assembly duration among the manual assembly process, can cause the influence to beat, cost, manpower.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a spring jacket mechanism for quickly mounting shaft parts, so that the assembly function of simply and quickly clamping the shaft parts is realized, and the coaxiality of the shaft parts during mounting is improved.
The technical scheme adopted by the invention for solving the technical problems is as follows:
the invention provides a spring jacket mechanism for quickly mounting shaft parts, which comprises: the base is of a box body structure with a stepped shaft hole; the rotating sleeve is arranged in the base through a bearing; the push block is arranged in the rotary sleeve and is axially connected with the rotary sleeve in a sliding manner, and the front end of the push block is provided with a plurality of short ejector rods and long ejector rods along the axis direction; the first clamping assembly comprises a first fixed lock sleeve fixedly connected with the inner ring of the rotating sleeve, a first spring jacket matched with the first fixed lock sleeve and a plurality of reset springs; the second clamping assembly comprises a second fixed lock sleeve fixedly connected with the inner ring of the rotating sleeve, a second spring jacket arranged in the second fixed lock sleeve and a plurality of reset springs; the linear cylinder is used for pushing the push block to axially slide along the rotary sleeve, the first clamping assembly and the second clamping assembly are used for clamping different axial parts of a shaft part, the first spring jacket and the second spring jacket are forced to release the clamped shaft part when the linear cylinder pushes the short ejector rod and the long ejector rod of the push block to move forwards simultaneously, the first spring jacket and the second spring jacket are restored to a clamping state of the shaft part under the pushing of a reset spring when the linear cylinder moves back, and the rotary sleeve drives the first spring jacket and the second spring jacket to rotate simultaneously when rotating.
Furthermore, the first fixed locking sleeve is provided with a first conical locking surface, the front end of the first spring jacket is provided with a plurality of first elastic clamping pieces, and the first elastic clamping pieces are matched with the first conical locking surface.
Furthermore, a plurality of limiting grooves are formed in the inner rings of the first fixed lock sleeve and the second fixed lock sleeve, a plurality of limiting blocks are arranged on the outer rings of the first spring jacket and the second spring jacket, and the limiting grooves have a circumferential limiting effect on the limiting blocks.
Further, spring limiting columns are respectively arranged between the first spring jacket and the first fixed lock sleeve and between the second spring jacket and the second fixed lock sleeve, wherein the spring limiting columns are arranged in the reset spring.
Further, the bearing includes first bearing and second bearing, the first bearing outside is equipped with compresses tightly the end cover, compress tightly the end cover with base fixed connection for the axial positioning of first bearing, it is provided with proximity switch to compress tightly the end cover outside.
Furthermore, a floating mechanism composed of a thrust block and a compression spring is arranged on one side of the second bearing, and the floating mechanism is used for carrying out axial floating limit on the second bearing.
And the outer end of the flange plate is fixedly provided with a belt wheel.
Further, the device is used for clamping and screwing the mounted shaft in the gearbox when measuring the shafting of the gearbox.
Compared with the prior art, the invention has the beneficial effects that:
1. the spring jacket mechanism can ensure the clamping and fixing of the shaft parts and improve the coaxiality of the shaft parts during installation by arranging the two groups of clamping assemblies, and the shaft parts can be clamped and screwed simultaneously by matching the rotating sleeve and the clamping assemblies to meet the assembly requirement.
2. The invention can simply and quickly complete the assembly and clamping functions of the shaft parts through the spring jacket mechanism, and can simply, quickly and effectively solve the problems caused by slow operation and poor precision of the tool through the semi-automatic control among the belt wheel, the linear cylinder and the proximity switch, thereby greatly improving the station efficiency.
3. Through setting up the floating machanism, can prevent that the rotatory in-process of rotary sleeve from blocking because of the axial stress effect.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of the internal structure of a spring jacket mechanism for rapidly mounting shaft parts according to the present invention;
FIG. 2 is a schematic diagram of an external perspective view of a spring collet mechanism for rapidly mounting shaft parts according to the present invention;
FIG. 3 is a schematic view of a spring jacket mechanism for rapidly mounting shaft parts according to the present invention in a partial cross-sectional view;
FIG. 4 is a schematic structural diagram of a push block and a push rod in the spring jacket mechanism for rapidly mounting shaft parts according to the present invention;
FIG. 5 is a schematic structural diagram of a first fixing lock sleeve in the spring jacket mechanism for rapidly mounting shaft parts according to the present invention;
FIG. 6 is a schematic sectional view taken along line A-A of FIG. 5;
FIG. 7 is a schematic structural diagram of a first spring jacket of the spring jacket mechanism for rapidly mounting shaft parts according to the present invention;
FIG. 8 is a schematic cross-sectional view taken along line B-B of FIG. 7;
FIG. 9 is a schematic structural diagram of a second fixing lock sleeve in the spring jacket mechanism for rapidly mounting shaft parts according to the present invention;
FIG. 10 is a schematic cross-sectional view taken along line C-C of FIG. 9;
FIG. 11 is a schematic structural diagram of a second spring jacket of the spring jacket mechanism for rapidly mounting shaft parts according to the present invention; and
fig. 12 is a schematic sectional view along line D-D of fig. 11.
Description of the reference numerals
1. A base; 2. a long ejector rod; 3. a rotating sleeve; 4. a second fixed lock sleeve; 5. a second spring jacket; 6. a push block; 7. a first spring jacket; 8. a first fixed lock sleeve; 9. a thrust block; 10. a flange plate; 11. pressing the end cover; 12. a first bearing; 13. a pulley; 14. a proximity switch; 15. a limit bolt; 16. a linear cylinder; 17. a short ejector rod; 18. a return spring; 19. a compression spring; 20. a clamp spring; 21. a spring limiting post; 22. a second bearing; 41. a spring mounting hole; 42. a second conical locking surface; 51. a second resilient clip; 52. a spring mounting hole; 71. a first resilient clip; 72. an avoidance groove; 81. a through hole; 82. a first conical locking surface; 83. a spring mounting hole; 100. the shaft is mounted.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Fig. 1-12 illustrate some embodiments according to the invention.
As shown in fig. 1 to 3, a spring jacket mechanism for quickly mounting a shaft-like part, for quickly clamping and screw-mounting the shaft-like part, comprises: base 1, swivel sleeve 3, ring flange 10, two bearings, band pulley 13 etc. base 1 is the box structure, and the ladder shaft hole has been seted up at the middle part, and swivel sleeve 3 installs in the ladder shaft hole of base 1 through two bearings.
The one end outside of rotary sleeve 3 is equipped with compresses tightly end cover 11, compresses tightly end cover 11 and passes through bolt fixed connection with base 1 tip, and is close to first bearing 12 of 3 outside one ends of rotary sleeve through compressing tightly, and it is spacing to carry out the axial to rotary sleeve 3, installs and is equipped with the relocation mechanism who comprises thrust block 9 and compression spring 19 in second bearing 22 one side of the 3 other ends of rotary sleeve, relocation mechanism installs in base 1 for it is spacing to float the axial to second bearing 22, avoids 3 rotatory in-process of rotary sleeve to receive the axial stress card because of the bearing and dies and unable operation.
Specifically, the flange plate 10 is fixed at the rear end of the rotary sleeve 3 through a bolt, the shaft part of the outer end of the flange plate 10 is fixedly provided with a belt wheel 13, the belt wheel 13 is axially fixed on the flange plate 10 through a clamp spring 20, and the belt wheel 13 can drive the rotary sleeve 3 to rotate under the driving of a motor. Wherein, the middle part of the flange plate 10 is provided with a through hole along the axis direction, and a linear cylinder 16 is arranged in the through hole.
Specifically, be close to inside ejector pad 6 that is equipped with of ring flange 10 one end in the swivel mount 3, ejector pad 6 can slide in swivel mount 3 under the promotion of sharp cylinder 16, and wherein, the ejector pad 6 other end is provided with six short ejector pins 17 and six long ejector pins 2 along the axis direction, and short ejector pin 17 and long ejector pin 2 set up around the 6 terminal surface rings of ejector pad, and short ejector pin 17 and long ejector pin 2 interval distribution.
Specifically, as shown in fig. 3 and 4, the front end of the short ejector rod 17 is provided with a first clamping assembly and a second clamping assembly, and the second clamping assembly is arranged at the front end of the first clamping assembly.
The first clamping assembly comprises a first fixed lock sleeve 8 and a first spring jacket 7, an outer cylindrical surface of the first fixed lock sleeve 8 is in interference fit with an inner hole of the rotating sleeve 3, the first spring jacket 7 is installed in the first fixed lock sleeve 8 and can axially slide in the first fixed lock sleeve 8 under the pushing of the short ejector rod 17, a first conical locking surface 82 is arranged at the front end of a circular hole of the first fixed lock sleeve 8, the first conical locking surface 82 and the central axis of the first fixed lock sleeve 8 form a certain inclination angle, six first elastic clamping pieces 71 are arranged at the front end of the first spring jacket 7, the outer side surface of each first elastic clamping piece 71 is also a conical surface and is matched with the first conical locking surface 82 in the first fixed lock sleeve 8.
The first fixed lock sleeve 8 is provided with a plurality of spring mounting holes 83, the spring mounting holes 83 are provided with spring limiting columns 21, and the spring limiting columns 21 are sleeved with return springs 18; when the first spring jacket 7 is not subjected to the acting force of the short ejector rod 17, the return spring 18 pushes the first spring jacket 7 to slide outwards in the first fixed lock sleeve 8, and the first elastic clamping piece 71 on the first spring jacket 7 is pressed by the first conical locking surface 82 on the first fixed lock sleeve 8 and contracts inwards, so that the shaft part can be clamped.
When the short ejector rod 17 pushes the first spring jacket 7 to slide inwards in the first fixed lock sleeve 8, the acting force of the first elastic clamping piece 71 on the first conical locking surface 82 in the first fixed lock sleeve 8 is reduced or even eliminated, and the first elastic clamping piece 71 is opened outwards, so that the installation or the disassembly of the shaft parts can be realized.
Specifically, as shown in fig. 5 and 6, the second clamping assembly includes a second spring jacket 5 and a second fixed lock sleeve 4, the second fixed lock sleeve 4 is disposed in the rotary sleeve 3, and can rotate synchronously with the rotary sleeve 3 through interference fit with the rotary sleeve 3, the second spring jacket 5 is slidably mounted in the second fixed lock sleeve 4, wherein a second conical locking surface 42 is disposed at a front end of a circular hole of the second fixed lock sleeve 4, six second elastic clamping pieces 51 are disposed at a front end of the second spring jacket 5, and an outer side surface of each second elastic clamping piece 51 is a conical surface and is matched with the second conical locking surface 42 inside the second fixed lock sleeve 4.
Wherein, be equipped with spring mounting hole 52 on the second spring jacket 5, also be equipped with spring mounting hole 41 on the fixed lock sleeve 4 of second, be provided with the spacing post 21 of spring between two spring mounting holes, be provided with reset spring 18 on the spacing post 21 of spring, the spacing post 21 of spring is used for preventing that reset spring 18 from warping, set up on the first fixed lock sleeve 8 by 6 through-holes, be provided with on the first spring jacket 7 and dodge the groove 72, long ejector pin 2 on the ejector pad 6 can pass through-hole 81 on the first fixed lock sleeve 8 and dodge the groove 72 on the first spring jacket and support the terminal surface that the second spring jacket 5 was pressed from both sides.
When the second spring jacket 5 is not under the pushing force of the long ejector rod 2, the return spring 18 pushes the second spring jacket 5 to slide outwards in the second fixed lock sleeve 4, and the second elastic clamping piece 51 on the second spring jacket 5 is pressed by the second conical locking surface on the second fixed lock sleeve 4 and contracts inwards, so that the shaft parts can be clamped.
When the second spring jacket 5 is under the thrust action of the long ejector rod 2, the return spring 18 is compressed, the second spring jacket 5 slides inwards in the second fixed lock sleeve 4, the acting force of a second conical locking surface on the second fixed lock sleeve 4, which faces the second elastic clamping piece 51 on the second spring jacket 5, is gradually reduced, and the second elastic clamping piece 51 is opened outwards, so that the shaft parts can be mounted or dismounted.
Specifically, a proximity switch 14 is installed on the outer side of the pressing end cover 11, and the proximity switch 14, the linear air cylinder 16 and the motor of the driving belt wheel 13 are in signal connection with a controller and used for controlling the working sequence of the belt wheel 13 and the linear air cylinder 16.
In an embodiment, a plurality of limiting grooves are formed in the inner rings of the first fixed lock sleeve and the second fixed lock sleeve, a plurality of limiting blocks are arranged on the outer rings of the first spring jacket and the second spring jacket, the limiting blocks are matched with the limiting grooves, circumferential limiting of the first fixed lock sleeve and the first spring jacket and circumferential limiting of the second spring jacket and the second fixed lock sleeve can be achieved, and sliding of the shaft parts can be prevented in the process of screwing the shaft parts.
In one embodiment, a limit bolt 15 is fixedly installed at one end of the push block 6 close to the linear cylinder 16, and the limit bolt 15 is opposite to a cylinder rod of the linear cylinder, so that impact abrasion of the cylinder to the push block 6 can be reduced.
The working process of the spring jacket mechanism for quickly mounting the shaft parts comprises the following steps:
firstly, a clamped shaft part is close to the mechanism, a proximity switch 14 on a pressing end cover 11 detects that the shaft part is close to the mechanism, a signal is sent to a controller, the controller controls a linear cylinder to work, a cylinder rod of the linear cylinder props against a limit bolt 15 on a push block and pushes the push block 6 to move, a short ejector rod 17 on the push block 6 pushes a first spring jacket 7 to slide in a first fixed lock sleeve 8, the acting force of the first fixed lock sleeve 8 on a first elastic clamping piece on the first spring jacket is gradually reduced, so that the first elastic clamping piece is slowly opened outwards to meet the size requirement of a mounted shaft 100, meanwhile, a long ejector rod on the push block 6 pushes a second spring jacket 5 to move in a second fixed lock sleeve, the acting force of a conical hole in the second fixed lock sleeve 4 on a second elastic clamping piece on the second spring jacket is gradually reduced, so that the second elastic clamping piece begins to be opened outwards, to meet the dimensional requirements that the mounted shaft 100 can be placed.
Then, when the mounted shaft 100 is completely mounted on the mechanism, the linear cylinder stops working, the first spring jacket and the second spring jacket are pushed by the return spring 18 to retreat backwards, and the mounted shaft 100 is clamped because the first elastic clamping pieces on the first spring jacket contract inwards under the extrusion of the conical surface of the first fixed lock sleeve, and similarly, the second elastic clamping pieces on the second spring jacket contract inwards under the extrusion of the conical surface of the second fixed lock sleeve, and the mounted shaft 100 is clamped.
Finally, after the mounted shaft 100 is clamped, the controller drives the belt wheel 13 to rotate through the motor, the belt wheel 13 drives the flange plate, the rotating sleeve, the push block 6, the first spring clamping sleeve, the first fixed locking sleeve, the second spring clamping sleeve and the second fixed locking sleeve which are arranged in the rotating sleeve to rotate, and the mounted shaft 100 rotates, so that the mounted shaft 100 is screwed and mounted.
Examples of the applications
The spring jacket mechanism is used for quickly clamping and screwing the mounted shaft 100 in the gearbox when the gearbox shafting is measured, effectively solves the problems caused by slow tool operation and poor precision, and greatly improves the station efficiency.
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 (8)
1. The utility model provides a spring jacket mechanism for installing axle type part fast which characterized in that includes:
the base (1) is of a box body structure with a stepped shaft hole;
the rotating sleeve (3) is arranged in the base (1) through a bearing;
the push block (6) is arranged in the rotary sleeve (3) and is axially connected with the rotary sleeve (3) in a sliding manner, and the front end of the push block is provided with a plurality of short ejector rods (17) and long ejector rods (2) along the axis direction;
the first clamping assembly comprises a first fixed lock sleeve (8) fixedly connected with the inner ring of the rotating sleeve (3), a first spring jacket (7) matched with the first fixed lock sleeve (8), and a plurality of return springs (18);
the second clamping assembly comprises a second fixed lock sleeve (4) fixedly connected with the inner ring of the rotating sleeve (3), a second spring jacket (5) arranged in the second fixed lock sleeve (4), and a plurality of return springs (18); and
a linear cylinder (16) for pushing the push block (6) to axially slide along the rotary sleeve (3),
the first clamping assembly and the second clamping assembly are used for clamping different axial parts of a shaft part, the linear air cylinder (16) pushes the short ejector rod (17) and the long ejector rod (2) of the push block (6) to move forwards simultaneously to force the first spring jacket (7) and the second spring jacket (5) to release the clamped shaft part, and when the linear air cylinder (16) retreats, the first spring jacket (7) and the second spring jacket (5) recover to a clamping state of the shaft part under the pushing of the return spring (18),
the rotating sleeve (3) drives the first spring jacket (7) and the second spring jacket (5) to rotate simultaneously when rotating.
2. The spring jacket mechanism for quickly mounting shaft parts according to claim 1, wherein the first fixed lock sleeve (8) is provided with a first conical locking surface (82), the front end of the first spring jacket (7) is provided with a plurality of first elastic clamping pieces (71), and the first elastic clamping pieces (71) are matched with the first conical locking surface (82).
3. The spring jacket mechanism for rapidly mounting shaft parts according to claim 2, wherein a plurality of limiting grooves are formed in the inner rings of the first fixed lock sleeve (8) and the second fixed lock sleeve (4), and a plurality of limiting blocks are formed in the outer rings of the first spring jacket (7) and the second spring jacket (5), wherein the limiting grooves have a circumferential limiting effect on the limiting blocks.
4. The spring jacket mechanism for rapidly mounting shaft parts according to claim 1, wherein spring limiting columns (21) are respectively arranged between the first spring jacket (7) and the first fixed lock sleeve (8) and between the second spring jacket (5) and the second fixed lock sleeve (4), wherein the spring limiting columns (21) are arranged in the return spring (18).
5. The spring jacket mechanism for rapidly mounting shaft parts according to claim 1, wherein the bearing comprises a first bearing (12) and a second bearing (22), a pressing end cover (11) is arranged on the outer side of the first bearing (12), the pressing end cover (11) is fixedly connected with the base (1) and used for axially positioning the first bearing (12), and a proximity switch (14) is arranged on the outer side of the pressing end cover (11).
6. The spring jacket mechanism for quickly mounting shaft parts according to claim 5, characterized in that a floating mechanism consisting of a thrust block (9) and a compression spring (19) is arranged on one side of the second bearing (22) and is used for axially floating and limiting the second bearing (22).
7. The spring jacket mechanism for rapidly mounting shaft parts according to claim 1, further comprising a flange (10) connected with the rotating sleeve (3), wherein a pulley (13) is fixedly arranged at the outer end of the flange (10).
8. The spring collet mechanism for quick mounting of shaft parts according to claim 1 is used for clamping and screwing of the mounted shaft (100) in the gearbox during gearbox shafting measurement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910682963.7A CN110480373B (en) | 2019-07-26 | 2019-07-26 | Spring jacket mechanism for rapidly installing shaft parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910682963.7A CN110480373B (en) | 2019-07-26 | 2019-07-26 | Spring jacket mechanism for rapidly installing shaft parts |
Publications (2)
| Publication Number | Publication Date |
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| CN110480373A CN110480373A (en) | 2019-11-22 |
| CN110480373B true CN110480373B (en) | 2021-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910682963.7A Active CN110480373B (en) | 2019-07-26 | 2019-07-26 | Spring jacket mechanism for rapidly installing shaft parts |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111673490B (en) * | 2020-05-07 | 2021-10-15 | 安徽工程大学 | Clamp stable in clamping |
| CN112427981A (en) * | 2020-10-29 | 2021-03-02 | 锦州美联桥汽车部件有限公司 | Automatic pipe end clamping device of spiral forming machine |
| CN114393499B (en) * | 2021-12-13 | 2022-11-15 | 赫比（上海）家用电器产品有限公司 | Displacement support piece, shaft holding clamp displacement follow-up support mechanism and use method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1550311B1 (en) * | 1966-09-27 | 1970-09-03 | Huettenwerk Oberhausen Ag | Coolable gate valve with expandable shut-off plates |
| JPH0767642B2 (en) * | 1989-09-22 | 1995-07-26 | 報国機械株式会社 | Tool changeable machine tool spindle device |
| DE4335259A1 (en) * | 1993-10-15 | 1995-04-20 | Hans Dr Ing Grimm | Clamping device for at least one winding tube or the like to be fixed on a shank |
| CN2322741Y (en) * | 1998-03-07 | 1999-06-09 | 周学蒙 | Quick replacing tap clamp |
| CN201702580U (en) * | 2009-12-25 | 2011-01-12 | 北京英斯派克科技有限公司 | Quick clamping device |
| CN201880929U (en) * | 2010-11-30 | 2011-06-29 | 上海航天精密机械研究所 | Turning and tensioning device for slender shaft type parts |
| CN201950091U (en) * | 2010-12-30 | 2011-08-31 | 中冶南方工程技术有限公司 | Jaw device with steel drum |
| CN206382877U (en) * | 2016-11-30 | 2017-08-08 | 重庆秋田齿轮有限责任公司 | Axial workpiece clamping and positioning device |
| CN206855093U (en) * | 2017-05-15 | 2018-01-09 | 广东原点机床科技有限公司 | A kind of handle of a knife mounting clip sleeve |
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