CN110421483B - Clamping mechanism based on accurate tiny part of hole location grinding - Google Patents
Clamping mechanism based on accurate tiny part of hole location grinding Download PDFInfo
- Publication number
- CN110421483B CN110421483B CN201811476626.4A CN201811476626A CN110421483B CN 110421483 B CN110421483 B CN 110421483B CN 201811476626 A CN201811476626 A CN 201811476626A CN 110421483 B CN110421483 B CN 110421483B
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- clamping mechanism
- supporting rods
- thimble
- clamping
- shell
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- 230000007246 mechanism Effects 0.000 title claims abstract description 69
- 230000000630 rising effect Effects 0.000 claims abstract description 16
- 210000001503 joint Anatomy 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000008961 swelling Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 5
- 210000000078 claw Anatomy 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
- B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B5/00—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
- B24B5/02—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
- B24B5/04—Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention relates to the technical field of precision micro part grinding, and discloses a clamping mechanism for grinding precision micro parts based on inner hole positioning, which comprises a connecting end, a propelling mechanism, a rising mechanism and a clamping mechanism, wherein the middle position of the left side of the propelling mechanism is connected with the right side of the connecting end, the left side of the rising mechanism is communicated with the right side of the propelling mechanism, and the left side of the clamping mechanism is detachably connected with the right side of the rising mechanism through threads. The right side of the thimble slowly enters the circle center formed by butt joint of the six arc-shaped supporting rods, and the diameter of the right side of the six arc-shaped supporting rods can be gradually supported due to the sharp cone shape of the thimble, so that the outer side wall of the six arc-shaped supporting rods is tightly attached to the inner side wall of one end of a tiny part, the purposes of clamping the tiny part from an inner hole, ensuring the stability of Z-direction positioning, limiting the freedom of the part due to enough friction force when the Z-direction rotates and ensuring the coaxiality of the inner hole and the outer circle are achieved.
Description
Technical Field
The invention relates to the technical field of precise micro part grinding, in particular to a clamping mechanism for grinding precise micro parts based on inner hole positioning.
Background
The grinding clamping of the parts needs to limit the degrees of freedom, namely X, Y, Z, X rotation, Y rotation and Z rotation, and the Z rotation is generally limited by the clamping through a heart clamp or a claw, and the heart clamp and the claw both need to clamp the excircle, so that the grinding clamping device is not applicable to all the parts ground on the excircle surface. In addition, when the coaxiality of the outer circle and the inner hole is required to be ensured, the jump precision of the claw is required to be very high.
The clamping method is suitable for parts with larger wall thickness, and deformation cannot be caused by supporting force; the other method uses the micro-cone core rod for clamping, and the working principle of the micro-cone core rod is that the larger the Z-direction stress is, the larger the friction force limiting Z rotation is, and the micro-cone core rod is suitable for parts with longer hole length and low Z-direction size requirements.
At present, two methods for grinding and clamping parts exist, one is a two-top method, and two ends of the part are required to be provided with tip holes; the other is that the claw clamps one end, and the part must have enough clamping position. If the whole outer circle surface is required to be ground in the final working procedure, two clamping is not performed at the center position, clamping jaws are not performed at the outer circle clamping position, and centerless grinding cannot be used, so that the prior art is suitable for large-size parts no matter the center or the clamping jaws, and the micro parts cannot be clamped, and in this case, the clamping of the parts by the process equipment is required to be performed, so that the purpose of part grinding can be achieved.
Disclosure of Invention
The invention aims to provide a clamping mechanism for grinding precise micro parts based on inner hole positioning, which achieves the purposes of clamping the micro parts from the inner hole, guaranteeing the stability of Z-direction positioning, limiting the freedom degree of the parts by enough friction force when the Z-direction rotates and guaranteeing the coaxiality of the inner hole and the excircle.
In order to achieve the above purpose, the present invention provides the following technical solutions: the clamping mechanism comprises a connecting end, a pushing mechanism, a rising mechanism and a clamping mechanism, wherein the middle position of the left side of the pushing mechanism is connected with the right side of the connecting end, the left side of the rising mechanism is communicated with the right side of the pushing mechanism, and the left side of the clamping mechanism is detachably connected with the right side of the rising mechanism through threads.
The propelling mechanism comprises a mounting shell, a cylinder, a sliding block, a thread bush, a driven bevel gear, a threaded rod, a rotating rod and a driving bevel gear, wherein the left side of the cylinder is connected with the middle position of the left side of the inner wall of the mounting shell, the inner side wall of the cylinder is in sliding connection with the outer side wall of the sliding block, the left side of the thread bush is connected with the right side of the cylinder through a bearing, the middle position of the outer surface of the thread bush is connected with the inner side wall of the driven bevel gear through a flat key, one end of the threaded rod is connected with the right side of the sliding block through a bearing, the right side of the threaded rod is connected with the thread bush through threads, the right end of the threaded rod extends to the inside of the rising mechanism, the bottom of the rotating rod is connected with the top of the mounting shell through the bearing, the bottom of the rotating rod is meshed with the driven bevel gear, and the top of the rotating rod is connected with the bottom of the rotating block.
The lifting mechanism comprises a protecting shell, a movable block, a thimble and a first powerful magnet, wherein the left side of the protecting shell is communicated with the right side of the mounting shell as a whole, the outer side wall of the movable block is connected with the inner side wall of the protecting shell, the middle position of the left side of the movable block is connected with the right end of a threaded rod through a bearing, the left end of the thimble is provided with a connecting column, the middle position of the right side of the movable block is provided with a jack, the left side of the inner wall of the jack is connected with one side of the first powerful magnet, the left end of the connecting column is spliced with the jack, the right side of the first powerful magnet is attracted with the left side of the connecting column, and a through groove matched with the thimble to move is formed in the middle position of the right side of the protecting shell.
The clamping mechanism comprises a connecting shell, arc supporting rods, limiting plates and second powerful magnets, wherein the left sides of the six arc supporting rods are spliced with the arc supporting rods through grooves in the right side of the connecting shell, the butt joint of the six arc supporting rods is in a regular round shape, the left ends of the six arc supporting rods are all provided with extension edges, the outer side walls of the limiting plates are connected with the right side of the inner side walls of the connecting shell, the right sides of the limiting plates are overlapped with the left sides of the extension edges, one sides of the second powerful magnets are inlaid on the outer surfaces of the arc supporting rods, and the outer surfaces of the second powerful magnets are flush with the outer surfaces of the arc supporting rods;
The outer surface of the rotary block is sleeved with a protective sleeve, and the transverse cross section of the rotary block is circular;
the shape of the jack is round, and the depth of the jack is consistent with the length of the connecting column.
Preferably, the vertical section shape of the connecting column is circular, and the connecting column and the thimble are integrally formed.
Preferably, the shape of the thimble is a pointed cone, and the vertical section of the thimble is isosceles triangle.
Preferably, the arc stay bar and the extending edge are integrally formed, and the butt joint shape of the six extending edges is regular round.
The invention provides a clamping mechanism for grinding precise micro parts based on inner hole positioning. The beneficial effects are as follows:
(1) According to the invention, the left side of the connecting end is clamped with the clamping jaw of the grinding machine, the driven bevel gear is driven to rotate while rotating through the rotating rotary block, so that the threaded rod moves rightwards through the rotation of the threaded sleeve, at the moment, the threaded rod pushes the movable block to move rightwards, the right side of the thimble slowly enters the circle center formed by butt joint of the six arc-shaped supporting rods, and the diameter of the right side of the six arc-shaped supporting rods can be gradually supported due to the pointed cone shape of the thimble, so that the outer side wall of the six arc-shaped supporting rods is tightly attached to the inner side wall of one end of the tiny part, the purposes of clamping the tiny part from the inner hole, ensuring the stability of Z-direction positioning, limiting the freedom degree of the part through enough friction force when the Z-direction rotating and ensuring the coaxiality of the inner hole and the outer circle are achieved.
(2) Due to the arrangement of the six arc-shaped supporting rods, the special design of the six arc-shaped supporting rods can enable the six arc-shaped supporting rods to keep the characteristic of regular round shape when expanding and expanding, and the outer side walls of the six arc-shaped supporting rods can be tightly attached to the round inner holes, so that uneven phenomena can be prevented when expanding, deformation phenomena of tiny parts can be avoided, and the requirements of limiting rotation in the part grinding process and coaxiality of the excircles and the inner holes are met.
(3) Due to the arrangement of the jack and the first powerful magnet, the whole rising mechanism and the ejector pin can form free combination through the insertion of the ejector pin and the jack and the utilization of the attraction force of the first powerful magnet, so that the effect of conveniently disassembling and replacing the ejector pins with different sizes is achieved, and free replacement of parts with different sizes is facilitated.
(4) According to the invention, the clamping mechanism and the rising mechanism are connected through the threads, so that the whole device can replace the clamping mechanism according to different sizes of inner holes of miniature parts, and the diameter range of a circle formed by butting six arc-shaped supporting rods can be between 0 and 5mm, so that the universality of clamping the miniature parts can be improved.
(5) According to the invention, as the combination of the threaded rod and the threaded sleeve is adopted, the threaded rod can slowly move when the threaded sleeve rotates, and the stability of the pushing force exerted by the movable block on the thimble can be ensured, so that the thimble can slowly prop up six arc supporting rods in a stepping manner, and further the phenomenon of damage to tiny parts is avoided.
Drawings
FIG. 1 is a front cross-sectional view of the structure of the present invention;
FIG. 2 is a schematic front view of a structural thimble of the present invention;
FIG. 3 is a side view of a movable block of the present invention;
FIG. 4 is a front cross-sectional view of the structural clamping mechanism of the present invention;
Fig. 5 is a top view of the structural clamping mechanism of the present invention.
In the figure: the device comprises a connecting end 1, a propelling mechanism 2, a raising mechanism 3, a clamping mechanism 4, a mounting shell 21, a cylinder 22, a sliding block 23, a threaded sleeve 24, a driven bevel gear 25, a threaded rod 26, a rotating rod 27, a driving bevel gear 28, a rotating block 29, a protecting shell 31, a movable block 32, a thimble 33, a connecting column 34, a jack 35, a first powerful magnet 36, a connecting shell 41, a cambered supporting rod 42, an extending edge 43, a limiting plate 44 and a second powerful magnet 45.
Detailed Description
As shown in fig. 1-5, the present invention provides a technical solution: the clamping mechanism based on the inner hole positioning grinding precision micro parts comprises a connecting end 1, a pushing mechanism 2, a rising mechanism 3 and a clamping mechanism 4, wherein the middle position of the left side of the pushing mechanism 2 is fixedly connected with the right side of the connecting end 1, the left side of the rising mechanism 3 is communicated with the right side of the pushing mechanism 2, and the left side of the clamping mechanism 4 is detachably connected with the right side of the rising mechanism 3 through threads.
The pushing mechanism 2 comprises a mounting shell 21, a cylinder 22, a sliding block 23, a threaded sleeve 24, a driven bevel gear 25, a threaded rod 26, a rotating rod 27 and a driving bevel gear 28, wherein the left side of the cylinder 22 is fixedly connected with the middle position of the left side of the inner wall of the mounting shell 21, the inner side wall of the cylinder 22 is in sliding connection with the outer side wall of the sliding block 23, the left side of the threaded sleeve 24 is rotatably connected with the right side of the cylinder 22 through a bearing, the middle position of the outer surface of the threaded sleeve 24 is fixedly connected with the inner side wall of the driven bevel gear 25 through a flat key, one end of the threaded rod 26 is rotatably connected with the right side of the sliding block 23 through a bearing, the right side of the threaded rod 26 is in threaded connection with the threaded sleeve 24, the right end of the threaded rod 26 extends into the rising mechanism 3, the bottom of the rotating rod 27 is inserted into the right side of the top of the mounting shell 21 through a bearing, the bottom of the rotating rod 27 is fixedly connected with the top of the driving bevel gear 28, the driving bevel gear 28 is meshed with the driven bevel gear 25, the top of the rotating rod 27 is fixedly connected with the bottom of the rotating block 29, the outer surface of the rotating block 29 is sleeved with a protecting sleeve, and the transverse section of the rotating block 29 is round.
The rising mechanism 3 comprises a protective shell 31, a movable block 32, a thimble 33 and a first powerful magnet 36, wherein the left side of the protective shell 31 is communicated with the right side of the installation shell 21 in an integrated mode, the outer side wall of the movable block 32 is connected with the inner side wall of the protective shell 31 in a sliding mode, the middle position of the left side of the movable block 32 is rotationally connected with the right end of a threaded rod 26 through a bearing, the left end of the thimble 33 is provided with a connecting column 34, the middle position of the right side of the movable block 32 is provided with an inserting hole 35, the left side of the inner wall of the inserting hole 35 is fixedly connected with one side of the first powerful magnet 36, the left end of the connecting column 34 is inserted into the inserting hole 35, the right side of the first powerful magnet 36 is attracted with the left side of the connecting column 34, a through groove matched with the thimble 33 to move is formed in the middle position of the right side of the protective shell 31, the inserting hole 35 is circular, the depth of the inserting hole 35 is consistent with the length of the connecting column 34, the vertical section of the connecting column 34 is circular, the connecting column 34 and the thimble 33 is integrally formed, the shape of the thimble 33 is in a pointed cone, and the vertical section of the thimble 33 is isosceles triangle.
The clamping mechanism 4 comprises a connecting shell 41, an arc supporting rod 42, a limiting plate 44 and a second powerful magnet 45, wherein the left side of the six arc supporting rods 42 is spliced with the arc supporting rod 42 through a through groove on the right side of the connecting shell 41, the butt joint of the six arc supporting rods 42 is in a regular round shape, the round diameter range formed by the butt joint of the six arc supporting rods 42 can be between 0 and 5mm, the left end of the six arc supporting rods 42 is provided with an extending edge 43, the outer side wall of the limiting plate 44 is fixedly connected with the right side of the inner side wall of the connecting shell 41, the right side of the limiting plate 44 is overlapped with the left side of the extending edge 43, one side of the second powerful magnet 45 is inlaid on the outer surface of the arc supporting rod 42, the outer surface of the second powerful magnet 45 is flush with the outer surface of the arc supporting rod 42, the arc supporting rod 42 is integrally formed with the extending edge 43, and the butt joint of the six extending edges 43 is in a regular round shape.
When the movable block is used, the left side of the connecting end is clamped with the clamping jaw of the grinding machine, the driven bevel gear 25 is driven to rotate while rotating through the rotating rotary block 29, the threaded rod 26 is enabled to move rightwards through the rotation of the threaded sleeve 24, at the moment, the threaded rod 26 pushes the movable block 32 to move rightwards, the right side of the thimble 33 slowly enters the circle center formed by the butt joint of the six arc-shaped supporting rods 42, and the diameter of the right side of the six arc-shaped supporting rods 42 can be gradually supported due to the pointed cone shape of the thimble 33, so that the outer side wall of the six arc-shaped supporting rods 42 is tightly attached to the inner side wall of one end of a tiny part, and the purpose of clamping the tiny part from an inner hole is achieved while the Z-direction positioning stability is ensured.
The method can be summarized as follows: the invention discloses a grinding and polishing mechanism, which is characterized in that a driven bevel gear 25 is driven to rotate by a rotary block 29 while rotating a threaded sleeve 24, a threaded rod 26 is driven to move rightwards by the rotation of the threaded sleeve 24, at the moment, the threaded rod 26 pushes a movable block 32 to move rightwards, the right side of a thimble 33 slowly enters a circle center formed by the butt joint of six arc supporting rods 42, the diameter of the right side of the six arc supporting rods 42 can be gradually supported due to the sharp cone shape of the thimble 33, so that the outer side wall of the six arc supporting rods 42 is tightly attached to the inner side wall of one end of a tiny part, the clamping and fixing of the tiny part from the inner hole are realized, the Z-direction positioning stability is ensured, and the degree of freedom of the part is limited by enough friction force when the Z-direction rotates, and the coaxiality of the inner hole and the excircle is ensured. The clamping mechanism 4 can be replaced according to different sizes of inner holes of miniature parts, and the range of the circular diameter formed by butting the six arc-shaped supporting rods 42 can be between 0 and 5mm, so that the universality of clamping the miniature parts can be improved.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a clamping machine constructs based on accurate tiny part of hole location grinding, includes link (1), advancing mechanism (2), rise mechanism (3) and clamping mechanism (4), its characterized in that: the middle position of the left side of the propelling mechanism (2) is connected with the right side of the connecting end (1), the left side of the rising mechanism (3) is communicated with the right side of the propelling mechanism (2), and the left side of the clamping mechanism (4) is detachably connected with the right side of the rising mechanism (3) through threads;
The propelling mechanism (2) comprises a mounting shell (21), a cylinder (22), a sliding block (23), a thread bush (24), a driven bevel gear (25), a threaded rod (26), a rotating rod (27) and a driving bevel gear (28), wherein the left side of the cylinder (22) is connected with the middle position of the left side of the inner wall of the mounting shell (21), the inner side wall of the cylinder (22) is in sliding connection with the outer side wall of the sliding block (23), the left side of the thread bush (24) is connected with the right side of the cylinder (22) through a bearing, the middle position of the outer surface of the thread bush (24) is connected with the inner side wall of the driven bevel gear (25) through a flat key, one end of the threaded rod (26) is connected with the right side of the sliding block (23) through a bearing, the right side of the threaded rod (26) is connected with the thread bush (24) through a thread, the right end of the threaded rod (26) extends into the inside of the swelling mechanism (3), the bottom of the rotating rod (27) is connected with the right side of the top of the mounting shell (21) through a bearing, the bottom of the rotating rod (27) is connected with the top of the driving bevel gear (28) through a bearing, one end of the rotating rod is meshed with the top of the driven bevel gear (28) through the bearing (29);
The lifting mechanism (3) comprises a protecting shell (31), a movable block (32), a thimble (33) and a first powerful magnet (36), wherein the left side of the protecting shell (31) is communicated with the right side of the mounting shell (21) as a whole, the outer side wall of the movable block (32) is connected with the inner side wall of the protecting shell (31), the middle position of the left side of the movable block (32) is connected with the right end of a threaded rod (26) through a bearing, the left end of the thimble (33) is provided with a connecting column (34), the middle position of the right side of the movable block (32) is provided with a jack (35), the left side of the inner wall of the jack (35) is connected with one side of the first powerful magnet (36), the left end of the connecting column (34) is spliced with the jack (35), the right side of the first powerful magnet (36) is attracted with the left side of the connecting column (34), and the middle position of the right side of the protecting shell (31) is provided with a through groove matched with the thimble (33) to move;
The clamping mechanism (4) comprises a connecting shell (41), arc supporting rods (42), limiting plates (44) and second powerful magnets (45), wherein six arc supporting rods (42) are inserted into the through grooves on the right sides of the connecting shell (41), the butt joint of the six arc supporting rods (42) is regular round, the left ends of the six arc supporting rods (42) are all provided with extension edges (43), the outer side walls of the limiting plates (44) are connected with the right sides of the inner side walls of the connecting shell (41), the right sides of the limiting plates (44) are overlapped with the left sides of the extension edges (43), one sides of the second powerful magnets (45) are embedded on the outer surfaces of the arc supporting rods (42), and the outer surfaces of the second powerful magnets (45) are flush with the outer surfaces of the arc supporting rods (42);
The outer surface of the rotary block (29) is sleeved with a protective sleeve, and the transverse section of the rotary block (29) is circular;
The shape of the insertion hole (35) is round, and the depth of the insertion hole (35) is consistent with the length of the connecting column (34).
2. The clamping mechanism for grinding precise micro parts based on inner hole positioning according to claim 1, wherein the clamping mechanism is characterized in that: the vertical section of the connecting column (34) is circular, and the connecting column (34) and the thimble (33) are integrally formed.
3. The clamping mechanism for grinding precise micro parts based on inner hole positioning according to claim 1, wherein the clamping mechanism is characterized in that: the shape of the thimble (33) is a pointed cone, and the vertical section of the thimble (33) is isosceles triangle.
4. The clamping mechanism for grinding precise micro parts based on inner hole positioning according to claim 1, wherein the clamping mechanism is characterized in that: the arc stay bar (42) and the extending edges are integrally formed, and the butt joint shape of the six extending edges (43) is regular round.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811476626.4A CN110421483B (en) | 2018-12-04 | 2018-12-04 | Clamping mechanism based on accurate tiny part of hole location grinding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811476626.4A CN110421483B (en) | 2018-12-04 | 2018-12-04 | Clamping mechanism based on accurate tiny part of hole location grinding |
Publications (2)
| Publication Number | Publication Date |
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| CN110421483A CN110421483A (en) | 2019-11-08 |
| CN110421483B true CN110421483B (en) | 2024-04-30 |
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| CN201811476626.4A Active CN110421483B (en) | 2018-12-04 | 2018-12-04 | Clamping mechanism based on accurate tiny part of hole location grinding |
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| CN (1) | CN110421483B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114249526A (en) * | 2020-09-25 | 2022-03-29 | 欧璧医药包装科技(中国)有限公司 | Thimble convenient to change |
| CN112775497B (en) * | 2020-12-31 | 2022-07-19 | 苏州大学 | Miniature reamer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| DE102014203402B3 (en) * | 2014-02-25 | 2015-07-09 | Erwin Junker Maschinenfabrik Gmbh | GRINDING MACHINE AND METHOD FOR GRINDING AXIAL HOLES AND BOTH WORKPIECES APPLICABLE TO WORK ON THE SURFACE |
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| CN102039533A (en) * | 2010-12-24 | 2011-05-04 | 东莞市康捷塑胶模具有限公司 | Special gripper for location on cutting of thimble |
| CN202507175U (en) * | 2012-03-28 | 2012-10-31 | 常州博瑞油泵油嘴有限公司 | Axial elastic accurate positioning and clamping device for needle valve body part |
| CN203317211U (en) * | 2013-05-07 | 2013-12-04 | 格力电器（武汉）有限公司 | Ejector pin or insert pin clamp used in grinding machine |
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| CN207757366U (en) * | 2017-12-11 | 2018-08-24 | 江西瑞鼎精密传动有限公司 | A kind of deburring device for the processing of speed reducer precision component |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110421483A (en) | 2019-11-08 |
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