CN204195287U - A kind of metal dish clamping device - Google Patents
A kind of metal dish clamping device Download PDFInfo
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- CN204195287U CN204195287U CN201420657345.XU CN201420657345U CN204195287U CN 204195287 U CN204195287 U CN 204195287U CN 201420657345 U CN201420657345 U CN 201420657345U CN 204195287 U CN204195287 U CN 204195287U
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- metal dish
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Abstract
A kind of metal dish clamping device, comprise working base (1) and positioning disk (2), described positioning disk (2) is fixedly connected with described working base (1); Offers the first through hole (4) matched with metal dish 100 end face outer peripheral face to be processed in the middle of described positioning disk (2), make the end face of described metal dish to be processed 100 be seated described metal dish 100 end face to be processed after in described first through hole (4) and coordinate with the end face of described positioning disk (2) formation one to have to be processed of circular edge; Described working base (1) is provided with the fixture of grip dish (100).Compared with prior art, the metal dish clamping device structure that the utility model provides is simple, convenient mounting and clamping, firmly, the irregular processing end face of the metal dish with central hollow axle can be transformed into the end face processed with circular edge, prevent the collapse phenomenon that metal dish edge occurs in ultrasonic metal surface processing procedure.
Description
Technical field
The utility model belongs to ultrasonic metal surface process frock technical field, relates to a kind of clamping device of metal dish.
Background technology
Ultrasonic metal surface processing method is the technique adopting ultrasonic metal surface treating apparatus to process metal surface, Ra0.05 can be reached with the Metal Surface Roughness after the processing of ultrasonic metal surface processing method, wearability improves more than 50%, and fatigue strength and fatigue life are enhanced about more than once.Ultrasonic metal surface treatment effect obviously improves than Treatment of Metal Surface modes such as traditional turning, grinding, polishings, and roughness, wearability, fatigue strength and fatigue life all significantly improve.Therefore, ultrasonic metal surface treating apparatus is widely used in the metallic surface processing devices such as lathe, grinding machine, boring machine, milling machine, processes various metal surface.Ultrasonic surface treatment carries out for the metal surface with regular geometric shapes fairly simple, have Lathe ultrasonic metal surface processing unit (plant), boring machine ultrasonic metallic surface processing device, milling machine ultrasonic metallic surface processing device etc.Such as, number of patent application is CN201310031565, denomination of invention is that the Chinese invention patent application of " Lathe ultrasonic metal surface processing technology " describes on lathe for the supersonic machining process that the endoporus on metal works, cylindrical and end face carry out; The Chinese invention patent that the patent No. is CN200910014789, denomination of invention is " a kind of numerical control supersonic machining apparatus for engine lathe " discloses a kind of ultrasonic metallic surface processing device for lathe, and this device can realize the Ultrasonic machining of external disc and arc surface.
Ultrasonic surface treatment is carried out for the metal dish that centre has axis hole, end face is disc face, usual employing workpiece is around metal dish central rotation, the cutter head of ultrasonic metallic surface processing device is processed disk end face, add man-hour cutter head can on end face ecto-entad straight-line feed, also can straight-line feed from inside to outside, complete the processing of whole end face.As shown in Figure 1, metal dish 100, its end face is circular, by axis hole 107 clamping in the middle of metal dish.Adopt the processing mode that above-mentioned workpiece rotates, cutter head takes the air line, the track that cutter head 200 is passed by circular end face is the path of involute, as shown in Figure 2.Because the spacing inside and outside this involute between two sections of adjacent camber lines is that workpiece rotates a circle the air line distance that cutter head 200 upwards passes by metal dish 100 end-face diameter, this distance is very little, to spiral the circumferential lengths of involute that cutter head passes by of circling relative to workpiece metal, this is apart from negligible, therefore, can think that path that cutter head 200 is passed by metal dish 100 end face is one group of circumference of different inner diameters, the distance between each group circumference is workpiece metal and spirals the air line distance that cutter head upwards passes by metal dish end-face diameter that circles.When cutter head 200 goes to the outward flange of metal dish circular end face, the contact surface of metal dish end face edge place and cutter head reduces gradually, lifting surface area reduces, stressed constant when, pressure becomes large, once cutter head 200 departs from the outward flange of disk, metal dish edge stress deformation, the destruction to the edge of work will be caused, namely spoil limit phenomenon, reduce the serviceability of workpiece.
Also there will be card edge when adopting above-mentioned clamping method and surface treatment method to carry out Surface Machining for the metal card that centre has axis hole, end face is non-disc face to cave in phenomenon.As shown in Figure 3, the metal dish 100 of non-disc face, centre is axis hole 107.As shown in Figure 4, its end face outward flange of the metal dish 100 of non-disc face is oval 600, adopt aforementioned axis hole 107 place clamping, metal dish workpiece 100 rotates around the spindle, the processing mode that cutter head 200 takes the air line, the track that cutter head 200 is passed by metal card is also one group of circumference of aforementioned different inner diameters as shown in Figure 2, when the minor axis 400 that cutter head 200 moves to ellipse 600 arrives the end face outward flange between major axis 500, cutter head can depart from metal dish end face outward flange, cutter head continues to get back to again on end face when motion touches metal dish end face neighboring edge again, this processing mode can make metal non-disk end face edge place produce and spoil limit.
Based on same reason, adopt above-mentioned processing method, when the end face outward flange of metal card is other arbitrary plane shapes such as square, triangle, all can occur spoiling limit phenomenon at the edge of work.
Simultaneously, when cutter head passes by the irregular edge of work, cutter head can repeatedly from while fall down edge, another section of edge is touched again from another side, due to this state cut in and out that cutter head is stressed, the cutter head of ultrasonic metal surface treating apparatus and ultrasonic transformer are constantly impacted, has had a strong impact on the service life of cutter head and ultrasonic transformer, even cannot process this metal works.
Some metal dish to be processed not only has irregular end face, its intermediate shaft hole is also more special, as shown in Figure 5, workpiece metal dish 100 to be added comprises former and later two end faces 104, outer peripheral face 103, centre is hollow shaft 102, the centre of hollow shaft 102 is axis holes 107, the axis of described axis hole 107 and two end faces 104 in certain level included angle A, included angle A: 0 ° of ﹤ A ﹤ 90 °.As A=90 °, metal dish 100 is the metal dish shown in Fig. 1 or Fig. 3.So to be the size of A, A be for the angle of its axis hole 107 of the metal dish 100 that the utility model is suitable for end face to be processed with it: 0 ° of ﹤ A≤90 °.
Utility model content
For adopting that workpiece rotates, the processing mode that takes the air line of cutter head has axis hole to centre, end face have that outer peripheral metal dish carries out occurring in ultrasonic surface treatment process spoil limit phenomenon, the utility model provides the metal dish clamping device protecting card edge in a kind of process.
Metal dish clamping device, comprise working base (1) and positioning disk (2), described positioning disk (2) is fixedly connected with described working base (1); Offers the first through hole (4) matched with metal dish 100 end face outer peripheral face to be processed in the middle of described positioning disk (2), make the end face of described metal dish to be processed 100 be seated described metal dish 100 end face to be processed after in described first through hole (4) and coordinate with the end face of described positioning disk (2) formation one to have to be processed of circular edge; Described working base (1) is provided with the fixture of grip dish (100).
A kind of possible structure of described fixture is: be provided with the perforate (7) holding metal dish (100) intermediate shaft hole in the middle of described working base (1), the angle between the axis of described perforate (7) and positioning disk (2) outer card is A; The bottom of the upper perforate (7) of described working base (1) is provided with the first screwed hole (8); Also comprise bolt (6), bolt (6) is threaded with the first screwed hole (8).Described included angle A is the angle between the axis of metal dish to be processed (100) intermediate shaft hole (107) and metal dish to be processed (100) two end faces (104).
For the ease of taking out work piece metal dish (100) after completion of processing, the inner peripheral surface of upper first through hole of described positioning disk (2) (4) adopts small―gap suture to coordinate with described metal dish 100 outer peripheral face.
Preferably, the fit clearance between the inner peripheral surface of described first through hole (4) and metal dish 100 outer peripheral face is 0.02-0.05mm.
For the ease of dismounting workpiece metal dish (100), further technological improvement is, in the perforate (7) of described working base (1), arrange power assisting device, described power assisting device can be jacking block, spring or pneumatic means, hydraulic means etc.
Described power assisting device can be jacking block (3), the second through hole (9) is offered in the middle of described jacking block (3), during clamping, described bolt (6) is through described second through hole (9), described working base (1) is offered fabrication hole (10).Described power assisting device can also be spring (11), described spring (11) one end is resisted against perforate (7) bottom of described working base (1), the other end of described spring (11) is resisted against on the end face of described metal dish (100) central hollow axle, and during clamping, described bolt (6) makes spring (11) be in compressive state through described spring (11).
Described power assisting device is pneumatic means, working base (1) arranges an air admission hole (12), described air admission hole (12) is communicated with described perforate (7), forms an air chamber between working base perforate (7) and metal dish (100) end face.
The mode that described positioning disk (2) is fixedly connected with described working base (1) has a variety of, and mode fairly simple in technique comprises: described positioning disk (2) is fixedly connected with removably with described working base (1).
Further improvement project is, described working base (1) periphery is provided with first step (105), and described positioning disk (2) periphery offers the second step (205) matched with working base (1) periphery first step; Described positioning disk (2) periphery offers some tapped through holes (206), described working base (1) periphery correspondence offers some screwed holes (106), and described positioning disk (2) is fixedly connected with by screw (13) with described working base (1).Further, the 3rd step (207) is offered in described positioning disk (2) first through hole (4) inner side.
Further improvement project is, the nut of bolt (6) and the contact surface of metal dish (100) intermediate shaft hole arrange pad (5).
The fixture of the first grip dish (100) above-mentioned, namely in the middle of working base (1), perforate (7) is provided with, scheme more complicated in technique of the first screwed hole (8) is provided with in the bottom of described perforate (7)
The second improvement project of the fixture that the utility model provides is:
The perforate (7) holding metal dish (100) intermediate shaft hole (107) is provided with in the middle of described working base (1), angle between the axis of described perforate (7) and positioning disk (2) outer card is A, the bottom of perforate on described working base (7) is provided with fixed axis (14), described fixed axis (14) is fixedly connected with described working base (1), and described fixed axis (14) is provided with the second screwed hole (81); Also comprise bolt (6), described bolt (6) is threaded with the second screwed hole (81).
A kind of preferred connected mode is that described fixed axis (14) is provided with pin-and-hole (15), and described fixed axis (14) is fixedly connected with by pin (16) with described working base (1).
In order to protect the contact surface of bolt (6) and metal dish (100) central hollow axle; strengthening fastening effect, the nut of bolt (6) and the contact surface of metal dish (100) intermediate shaft hole arrange pad (5).
All the other technological improvements are identical with adopting the improvement project of the first fixture above-mentioned.
Be the situation of elliptic plane for metal dish 100 end face outward flange, the ellipse hole (4) matched with metal dish 100 end face outer peripheral face to be processed is offered in the middle of described positioning disk (2), the end face of described metal dish to be processed 100 is seated after in described ellipse hole (4) and forms the plane to be processed that has circular edge, this circular edge refers to the circumference that the circumference at the major axis place of the oval end face than this metal dish 100 is larger, as long as can ensure to process in process cutter head to stay metal dish 100 end face all the time and to match with the card of positioning disk (2) and in the card formed.
Same, when being square-shaped planar for metal dish 100 end face outward flange, the square through-hole matched with metal dish 100 end face outer peripheral face to be processed is offered in the middle of described positioning disk (2), the end face of described metal dish to be processed 100 is seated after in described square through-hole (17) and forms the plane to be processed that has circular edge, this circular edge refers to the circumference that the circumference at the diagonal place of the square end faces than this metal dish 100 is larger, as long as can ensure to process in process cutter head to stay metal dish 100 end face all the time and to match with the card of positioning disk (2) and in the card formed.
When being leg-of-mutton situation for metal dish 100 end face outward flange, offer the triangle through hole matched with metal dish 100 end face outer peripheral face to be processed in the middle of described positioning disk (2), the end face of described metal dish to be processed 100 is seated after in described triangle through hole (4) and forms to be processed that one has circular edge.Described circular edge refers to the circumference larger than the circumference at the triangle end face place of this metal dish 100, stays metal dish 100 end face all the time to match with the card of positioning disk (2) and in the card formed as long as can ensure to process in process cutter head.
Compared with prior art, the metal dish clamping device structure that the utility model provides is simple, convenient mounting and clamping, firmly, the irregular processing end face of the metal dish with central hollow axle can be transformed into the end face processed with circular edge, prevent the collapse phenomenon that metal dish edge occurs in ultrasonic metal surface processing procedure.This metal dish clamping device be applicable to various there is non-regular shape end face and the middle metal dish with axis hole, the end face of described non-regular shape comprises any plane; Angle between described metal dish intermediate shaft hole axis and metal dish end face can be any angle.
Accompanying drawing explanation
Fig. 1 is circular end face metal dish processing mode structural representation;
Fig. 2 is the track configuration schematic diagram that cutter head is passed by the circular end face of metal dish;
Fig. 3 is oval end plane metal dish processing mode structural representation;
Fig. 4 is the track configuration schematic diagram that cutter head is passed by the oval end face of metal dish;
Fig. 5 is a kind of structural representation of metal dish to be processed;
Fig. 6 is the structural representation of the first metal dish clamping device that the utility model provides;
Fig. 7 is the structural representation of the second metal dish clamping device that the utility model provides;
Fig. 8 is the structural representation of the third metal dish clamping device that the utility model provides;
Fig. 9 is the structural representation of the 4th kind of metal dish clamping device that the utility model provides;
Figure 10 is that the BB of Fig. 9 cuts open structural representation;
Figure 11 is the using method structural representation of metal dish clamping device.
Detailed description of the invention
As shown in Figure 6, metal dish clamping device, comprises working base 1 and positioning disk 2, and described positioning disk 2 is fixedly connected with described working base 1; Offers the first through hole 4 matched with metal dish 100 end face outer peripheral face to be processed in the middle of described positioning disk 2, make the end face of described metal dish to be processed 100 be seated described metal dish 100 end face to be processed after in described first through hole 4 and coordinate with the card of described positioning disk 2 formation one to have to be processed of circular edge; Described working base 1 is provided with the fixture of grip dish 100.
A kind of structure of described fixture is: as shown in Figure 6, and be provided with the perforate 7 holding metal dish 100 intermediate shaft hole in the middle of described working base 1, the angle between the axis of described perforate 7 and the end face of positioning disk 2 is A; On described working base 1, the bottom of perforate 7 is provided with the first screwed hole 8; Also comprise bolt 6, bolt 6 is threaded with the first screwed hole 8.Described included angle A is the angle between the axis of metal dish 100 intermediate shaft hole 107 to be processed and metal dish to be processed 100 two end faces 104.
As shown in figure 11, metal dish 100 to be processed is adopted to rotate around intermediate shaft hole 107, the processing mode that cutter head 200 takes the air line on metal dish 100 end face has axis hole to centre, end face has before outer peripheral metal dish 100 carries out ultrasonic surface treatment, first metal dish 100 intermediate shaft hole 107 is inserted perforate 7 on working base 1, metal dish 100 end face puts into the first through hole 4 matched with metal dish 100 end face outer peripheral face offered in the middle of positioning disk 2, described bolt 6 is threaded with the first screwed hole 8 through after metal dish 100 intermediate shaft hole 107, metal dish 100 to be processed is fixed in described metal dish clamping device, described working base 1 is fixed on the lathe rotary main shaft of ultrasonic metal surface treatment facility, be connected with machine tool chief axis and can be directly clamped by scroll chuck or after other modes are fixedly connected with, clamping is complete.Described metal dish 100 is rotated with lathe spindle by this clamping device, the cutter head of ultrasonic surface processing unit (plant) is resisted against on metal dish 100 end face, start to carry out metal dish 100 to rotate with machine tool chief axis, the processing mode that cutter head 200 takes the air line on metal dish 100 end face carries out surface treatment, when cutter head goes to metal dish 100 end face short side edge place, protect owing to there being positioning disk, cutter head can not fall down metal dish outward flange, avoid and spoil limit phenomenon, treat that cutter head is complete at metal dish face diameter metal dish 100 end face longest edge edge place aft-loaded airfoil of upwards passing by, unclamp bolt 6, take out metal dish 100.
For the ease of taking out work piece metal dish 100 after completion of processing, on described positioning disk 2, the inner peripheral surface of the first through hole 4 adopts small―gap suture to coordinate with described metal dish 100 outer peripheral face.
Preferably, the fit clearance between the inner peripheral surface of described first through hole 4 and metal dish 100 outer peripheral face is 0.02-0.05mm.
For the ease of dismounting workpiece metal dish 100, further technological improvement is, in the perforate 7 of described working base 1, arrange power assisting device, and described power assisting device can be jacking block, spring or pneumatic means, hydraulic means etc.
As shown in Figure 6, described power assisting device is jacking block 3, offers the second through hole 9 in the middle of described jacking block 3, and during clamping, described bolt 6 is through described second through hole 9.Described working base 1 offers fabrication hole 10, during dismounting workpiece, after being dismantled by bolt 6, prizes jacking block 3 with instrument by the fabrication hole 10 on working base 1, utilize the principle of lever to be ejected by metal dish 100.
As shown in Figure 7, described power assisting device is spring 11, described spring 11 one end is resisted against bottom the perforate 7 of described working base 1, the other end of described spring 11 is resisted against on the end face of described metal dish 100 central hollow axle, and during clamping, described bolt 6 passes described spring 11 and makes spring 11 be in compressive state.After being dismantled by bolt 6 when dismounting, Compress Spring 11 elastic force is utilized automatically to be ejected by metal dish 100.
As shown in Figure 8, described power assisting device is pneumatic means, and working base 1 arranges an air admission hole 12, and described air admission hole 12 is communicated with described perforate 7, forms an air chamber between working base perforate 7 and metal dish 100 end face.During dismounting workpiece, first bolt 6 is pulled down, then pass into compressed air at air admission hole 12 place, utilize compressed-air actuated instant airflow, metal dish 100 is ejected.
The mode that described positioning disk 2 is fixedly connected with described working base 1 has a variety of, and mode fairly simple in technique comprises: described positioning disk 2 is fixedly connected with removably with described working base 1.
As shown in Figure 6, further improvement project is, described working base 1 periphery is provided with first step 105, and described positioning disk 2 periphery offers the second step 205 matched with working base 1 periphery first step 105; Described positioning disk 2 periphery offers some tapped through holes 206, and described working base 1 periphery correspondence offers some screwed holes 106, and described positioning disk 2 is fixedly connected with by screw 13 with described working base 1.
Further improve and be, the effect of offering the 3rd step the 207, three step inside described positioning disk 2 first through hole 4 reduces the contact area between positioning disk 2 and metal dish 100 periphery, is convenient to coordinate; Prevent simultaneously metal dish 100 end face and metal dish 100 outer peripheral face intersection jagged time, the end face of metal dish 100 and working base 1 end contact are tight, thus cause locating unstable phenomenon.
In order to protect bolt 6 and the contact surface of metal dish 100 central hollow axle, strengthening fastening effect, the nut of bolt 6 and the contact surface of metal dish 100 intermediate shaft hole arrange pad 5.
The fixture of the first grip dish 100 above-mentioned, is namely provided with perforate 7, is provided with scheme more complicated in technique of the first screwed hole 8 in the bottom of described perforate 7 in the middle of working base 1,
The second improvement project of the fixture that the utility model provides is:
As shown in Figure 9, the perforate 7 holding metal dish 100 intermediate shaft hole 107 is provided with in the middle of described working base 1, angle between the axis of described perforate 7 and the outer card of positioning disk 2 is A, on described working base, the bottom of perforate 7 is provided with fixed axis 14, described fixed axis 14 is fixedly connected with described working base 1, and described fixed axis 14 is provided with the second screwed hole 81; Also comprise bolt 6, described bolt 6 is threaded with the second screwed hole 81.
A kind of preferred connected mode is that described fixed axis 14 is provided with pin-and-hole 15, and described fixed axis 14 is fixedly connected with by pin 16 with described working base 1.
As shown in Figure 9, in order to protect bolt 6 and the contact surface of metal dish 100 central hollow axle, strengthening fastening effect, the nut of bolt 6 and the contact surface of metal dish 100 intermediate shaft hole arrange pad 5.
For the ease of dismounting workpiece metal dish 100, further technological improvement is identical with adopting the improvement project of the first fixture above-mentioned, namely in the perforate 7 of described working base 1, arrange power assisting device, described power assisting device can be jacking block, spring or pneumatic means, hydraulic means etc.
Be the situation of elliptic plane for metal dish 100 end face outward flange, the ellipse hole 4 matched with metal dish 100 end face outer peripheral face to be processed is offered in the middle of described positioning disk 2, the end face of described metal dish to be processed 100 is seated after in described ellipse hole 4 and forms the plane to be processed that has circular edge, this circular edge refers to the circumference that the circumference at the major axis place of the oval end face than this metal dish 100 is larger, as long as can ensure to process in process cutter head to stay metal dish 100 end face all the time and to match with the card of positioning disk 2 and in the card formed.
Same, when being square-shaped planar for metal dish 100 end face outward flange, the square through-hole matched with metal dish 100 end face outer peripheral face to be processed is offered in the middle of described positioning disk 2, the end face of described metal dish to be processed 100 is seated after in described square through-hole 17 and forms the plane to be processed that has circular edge, this circular edge refers to the circumference that the circumference at the diagonal place of the square end faces than this metal dish 100 is larger, as long as can ensure to process in process cutter head to stay metal dish 100 end face all the time and to match with the card of positioning disk 2 and in the card formed.
When being leg-of-mutton situation for metal dish 100 end face outward flange, offer the triangle through hole matched with metal dish 100 end face outer peripheral face to be processed in the middle of described positioning disk 2, the end face of described metal dish to be processed 100 is seated after in described triangle through hole 4 and forms to be processed that one has circular edge.Described circular edge refers to the circumference larger than the circumference at the triangle end face place of this metal dish 100, stays metal dish 100 end face all the time to match with the card of positioning disk 2 and in the card formed as long as can ensure to process in process cutter head.
Claims (6)
1. metal dish clamping device, is characterized in that, comprise working base (1) and positioning disk (2), described positioning disk (2) is fixedly connected with described working base (1); Offers the first through hole (4) matched with metal dish to be processed (100) end face outer peripheral face in the middle of described positioning disk (2), make the end face of described metal dish to be processed (100) be seated described metal dish to be processed (100) end face after in described first through hole (4) and coordinate with the card of described positioning disk (2) formation one to have to be processed of circular edge; Described working base (1) is provided with the fixture of grip dish (100).
2. metal dish clamping device according to claim 1, it is characterized in that, described fixture adopts following structure: be provided with the perforate (7) holding metal dish (100) intermediate shaft hole in the middle of described working base (1), angle between the axis of described perforate (7) and positioning disk (2) outer card is A, and described included angle A is the angle between the axis of metal dish to be processed (100) intermediate shaft hole (107) and metal dish to be processed (100) two end faces (104); The bottom of the upper perforate (7) of described working base (1) is provided with the first screwed hole (8); Also comprise bolt (6), bolt (6) is threaded with the first screwed hole (8).
3. metal dish clamping device according to claim 2, is characterized in that, the inner peripheral surface of upper first through hole (4) of described positioning disk (2) adopts small―gap suture to coordinate with described metal dish (100) outer peripheral face.
4. metal dish clamping device according to claim 1, it is characterized in that, described fixture adopts following structure: be provided with the perforate (7) holding metal dish (100) intermediate shaft hole (107) in the middle of described working base (1), angle between the axis of described perforate (7) and positioning disk (2) outer card is A, the bottom of perforate on described working base (7) is provided with fixed axis (14), described fixed axis (14) is fixedly connected with described working base (1), and described fixed axis (14) is provided with the second screwed hole (81); Also comprise bolt (6), described bolt (6) is threaded with the second screwed hole (81).
5. metal dish clamping device according to claim 4, it is characterized in that, described fixed axis (14) is provided with pin-and-hole (15), and described fixed axis (14) is fixedly connected with by pin (16) with described working base (1).
6. metal dish clamping device according to claim 5, is characterized in that, the inner peripheral surface of upper first through hole (4) of described positioning disk (2) adopts small―gap suture to coordinate with described metal dish (100) outer peripheral face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420657345.XU CN204195287U (en) | 2014-11-05 | 2014-11-05 | A kind of metal dish clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420657345.XU CN204195287U (en) | 2014-11-05 | 2014-11-05 | A kind of metal dish clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204195287U true CN204195287U (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420657345.XU Withdrawn - After Issue CN204195287U (en) | 2014-11-05 | 2014-11-05 | A kind of metal dish clamping device |
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| Country | Link |
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| CN (1) | CN204195287U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104325311A (en) * | 2014-11-05 | 2015-02-04 | 山东华云机电科技有限公司 | Clamping fixture for metal plate |
| CN104827422A (en) * | 2015-05-21 | 2015-08-12 | 河南航天精工制造有限公司 | Nut testing apparatus and tester with nut testing apparatus |
-
2014
- 2014-11-05 CN CN201420657345.XU patent/CN204195287U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104325311A (en) * | 2014-11-05 | 2015-02-04 | 山东华云机电科技有限公司 | Clamping fixture for metal plate |
| CN104827422A (en) * | 2015-05-21 | 2015-08-12 | 河南航天精工制造有限公司 | Nut testing apparatus and tester with nut testing apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150311 Effective date of abandoning: 20160914 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |