CN104708535A - Grinding clamps for clamping annular workpieces and corresponding grinding devices thereof - Google Patents
Grinding clamps for clamping annular workpieces and corresponding grinding devices thereof Download PDFInfo
- Publication number
- CN104708535A CN104708535A CN201310724682.6A CN201310724682A CN104708535A CN 104708535 A CN104708535 A CN 104708535A CN 201310724682 A CN201310724682 A CN 201310724682A CN 104708535 A CN104708535 A CN 104708535A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- clamp body
- hold down
- down gag
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
-
- 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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/08—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section
- B24B19/11—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding non-circular cross-sections, e.g. shafts of elliptical or polygonal cross-section for grinding the circumferential surface of rings, e.g. piston rings
Abstract
The invention discloses grinding clamps for clamping annular workpieces. The grinding clamps comprise clamp bodies, sleeves, compressing devices and power devices. The clamp bodies are sleeved with the sleeves, the workpieces are positioned on the sleeves in a sleeving mode, and one side of each workpiece abuts against the tail end of the corresponding sleeve. The compressing devices are arranged on the clamp bodies in a sleeving mode and are arranged on the sides far away from the tail ends of the sleeves. The power devices are arranged on the other sides close to the tail ends of the sleeves and drive one of the compressing devices and the sleeves to move, so that the compressing devices compress the other sides of the workpieces which are arranged on the sleeves in the sleeving mode. The grinding clamps can achieve automatic production, the precision is high, and the production efficiency is also high.
Description
Technical field
The present invention relates to field of machining, particularly relating to the mill fixture for clamping circular workpiece and corresponding grinding attachment.
Background technology
At the manufacture field of a lot of parts, often need to carry out grinding to parts, now, generally need first to utilize fixture to be fixedly clamped to parts, and then by milling apparatus, grinding is carried out to parts.But, for the parts of large diameter sectional circular ring-type, owing to cannot carry out clamping at all, then at all cannot the outer round surface of grinding parts, therefore, conventional grinding is not suitable for the cylindrical of the parts processing large diameter sectional circular ring-type very much, and machining center and Digit Control Machine Tool can only be used to process, its cost is high and can only carry out milling piece by piece, waste of manpower and material resources.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of mill fixture for clamping circular workpiece, and it can realize automated production, and precision is high, and clamping force is large, and simple to operate, production efficiency is high.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of mill fixture for clamping circular workpiece, it comprises clamp body, sleeve, hold down gag and power set.Described sleeve set is also fixed on described clamp body, and described workpiece suit is positioned on described sleeve, and the end of the side of described workpiece and described sleeve offsets; Described hold down gag to be sleeved on described clamp body and to be arranged on the side of the end away from described sleeve; Described power set are arranged on the opposite side near the end of described sleeve and one of drive in described hold down gag and described sleeve and carry out moving thus make described hold down gag clamping sleeve be contained in the opposite side of the described workpiece on described sleeve.
Wherein, described mill fixture comprises power transmission further, is arranged between described power set and described hold down gag, and wherein, described power transmission comprises pull bar, first and draws pin and second to draw pin.Be provided with centre bore in described clamp body, and described pull bar is arranged in described centre bore; Described first draws pin and described second to draw pin to be separately positioned on the opposite end of described pull bar, and described clamp body is offered the first corresponding opening and the second opening, described first draws pin and described second to draw pin to run through described clamp body from described first opening of correspondence and described second opening respectively, and the opening size of described first opening and described second opening is greater than described first draws pin and described second to draw the diameter of pin to draw pin and described second to draw pin to move relative to described clamp body at described first opening of correspondence and described second opening part to make described first.Wherein, described first draws pin to connect described hold down gag from the part that described clamp body runs through out, and described second draws pin to connect described power set from the part that described clamp body runs through out, then the power that produces of described power set successively by described second drawing pin, described pull bar and described first draws pin and transfers to described hold down gag thus order about described hold down gag and move the opposite side being contained in the described workpiece on described sleeve with clamping sleeve.
Wherein, described power set are hydraulic means, and described hydraulic means comprises piston and cylinder body.Described piston to be fixedly set on described clamp body and described sleeve of conflicting at the opposite side place of the end near described sleeve; Described cylinder body to be sleeved on described clamp body and to connect described piston, wherein, oil pocket is formed between described cylinder body and described piston, and described second draws pin to be fixed on described cylinder body, when pressure oil injects described oil pocket, described cylinder body moves relative to described piston and drives described second to draw pin to move under the effect of described pressure oil on described clamp body.
Wherein, described mill fixture comprises top further, describedly toply comprises oil filler and the first oil circuit, and described first oil circuit connects described oil filler; And the tail end of described clamp body offers patchhole and the second oil circuit, and described second oil circuit connects described oil pocket; When the described patchhole that the tail end of the described clamp body of described top insertion is offered, described first oil circuit and described second oil circuit communicate, and inject described oil pocket to make the described pressure oil injected at described oil filler by described first oil circuit and described second oil circuit.
Wherein, described hold down gag comprises pressing plate and spheric washer.Described pressing plate to be sleeved on described clamp body and to be arranged on the side of described sleeve; Described spheric washer to be sleeved on described clamp body and to be arranged between part that described pressing plate and described first draws pin to run through out from described clamp body.
Wherein, described mill fixture comprises the resetting means be arranged between described hold down gag and described sleeve further, wherein, corresponding installing hole is provided with in described sleeve, described resetting means to be arranged in described installing hole and to contact described hold down gag, to reset described hold down gag and unclamp the described workpiece be sleeved on described sleeve when described power set off-load.
Wherein, the end of described sleeve is provided with from locating convex block, and its circumference is arranged on the periphery wall of this end of described sleeve, is contained in the described workpiece on described sleeve with positioning sleeve.
Wherein, described sleeve is tapered sleeve, and the periphery wall of described clamp body has a taper fit face, and described tapered sleeve is sleeved on the taper fit face on described clamp body.
Wherein, described hold down gag is fixed on described clamp body, and described power set are hydraulic means, and it comprises cylinder body and piston.Described cylinder body is set with and is fixed on described clamp body; Described piston bush to be contained on described clamp body and to connect described cylinder body, the described sleeve and described piston is conflicted at the opposite side place of the end near described sleeve, wherein, oil pocket is formed between described cylinder body and described piston, when pressure oil injects described oil pocket constantly, described piston moves towards described hold down gag under the effect of described pressure oil on described clamp body, and the described sleeve of conflicting to drive it correspondingly moves towards described hold down gag.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide a kind of grinding attachment for processing circular workpiece, and it comprises mill fixture as above.
The invention has the beneficial effects as follows: the situation being different from prior art, disclosed mill fixture is by the cooperation of hold down gag and hydraulic means, clamping and the loosening up to needing the workpiece processed can be realized, therefore, disclosed mill fixture can realize automated production, reduce the working strength of labourer, operation rapidly, and disclosed mill clamp precision is high, clamping force is large, simple to operate, only need simply to draw the logical oil circuit interrupting being correlated with, it is specially adapted to the circular workpiece processing major diameter segmentation, in addition, it once can process multiple workpiece, thus can enhance productivity widely.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the mill fixture shown in first embodiment of the invention;
Fig. 2 is the schematic diagram of the mill fixture shown in second embodiment of the invention.
Detailed description of the invention
Refer to Fig. 1, it is the schematic diagram of the mill fixture shown in first embodiment of the invention.Refer to Fig. 1, the mill fixture 100 shown in the present embodiment for clamping circular workpiece 10, the particularly workpiece of large diameter sectional circular ring-type.Mill fixture 100 shown in the present embodiment comprises clamp body 110, sleeve 120, hold down gag 130 and power set 140.Wherein, sleeve 120 is sleeved on clamp body 110, and circular workpiece 10 suit is positioned on sleeve 120, and the side of circular workpiece 10 and the end of sleeve 120 offset.Hold down gag 130 to be sleeved on clamp body 110 and to be arranged on the side of the end away from sleeve 120, and power set 140 connect hold down gag 130 and drive hold down gag 130 to move thus clamping sleeve is contained in the opposite side of the circular workpiece 10 on sleeve 120.
In the present embodiment, mill fixture 100 comprises power transmission 150 further, and it to be connected between hold down gag 130 and power set 140 with the power transmission produced by power set 140 to hold down gag 130, moves to drive hold down gag 130.
Particularly, power transmission 150 comprises pull bar 151, first and draws pin 152 and second to draw pin 153.Wherein, be provided with centre bore 111 in clamp body 110, and pull bar 151 is arranged in the centre bore 111 in clamp body 110.First draws pin 152 and second to draw pin 153 to be separately positioned on the opposite end of pull bar 151, clamp body 110 offers the first corresponding opening 112 and the second opening 113, first draws pin 152 and second to draw pin 153 to run through clamp body 110 from the first opening 112 of correspondence and the second opening 113 respectively, and the opening size of the first opening 112 and the second opening 113 is greater than first draws pin 152 and second to draw the diameter of pin 153, then first pin 152 and second is drawn to draw pin 153 can move relative to clamp body 110 at the first opening 112 of correspondence and the second opening 113 place.
First draws pin 152 be positioned at the side of hold down gag 130 from the part that clamp body 110 runs through out thus connect hold down gag 130; And the second part connecting power device 140 drawing pin 153 to run through out from clamp body 110 moves in the second opening 113 with the power utilizing power set 140 and produce, and draw pin 152 by pull bar 151, first and by power transmission to hold down gag 130, drive hold down gag 130 to move.
Power set 140 are hydraulic means, and it comprises piston 141 and cylinder body 142.Wherein, piston 141 is set with and is fixed on clamp body 110 and at the opposite side place conflict sleeve 120 of the end near sleeve 120, and cylinder body 142 to be sleeved on clamp body 110 and to connect piston 141, and form oil pocket 143 between piston 141 and cylinder body 142, with when pressure oil injects oil pocket 143, cylinder body 142 can move relative to piston 141 under the effect of pressure oil on clamp body 110.And second draws pin 153 to be fixed on cylinder body 142, therefore, the movement of cylinder body 142 can drive second to draw pin 153 to move accordingly, and second draws the movement of pin 153 that pull bar 151 and first can be driven to draw pin 152 to move accordingly, meanwhile, corresponding movement is carried out under the hold down gag 130 drawing pin 152 to be connected to first also can draw the drive of pin 152 first.
In addition, mill fixture 100 may further include top 170, and wherein top 170 comprise oil filler 171 and the first oil circuit 172, first oil circuit 172 connects oil filler 171; And the tail end of clamp body 110 offers patchhole 114 and the second oil circuit 115, the second oil circuit 115 connects oil pocket 143.When in the patchhole 114 that top 170 tail ends inserting clamp body 110 are offered, the first oil circuit 172 in top 170 and the second oil circuit 115 in clamp body 110 communicate, and first oil circuit 172 of top 170 connects oil filler 171, and the second oil circuit 115 in clamp body 110 connects oil pocket 143 to make to inject oil pocket 143 at the pressure oil of oil filler 171 injection by the first oil circuit 172 and the second oil circuit 115.
And hold down gag 130 comprises pressing plate 131 and spheric washer 132, wherein, pressing plate 131 to be sleeved on clamp body 110 and to be arranged on the side of the end away from sleeve 120, and spheric washer 132 to be sleeved on clamp body 110 and to be arranged on pressing plate 131 and first and draws pin 152 to run through between the part of clamp body 110, it can avoid the wearing and tearing of pressing plate 131, and the pressure of pin 152 pairs of pressing plates 131 is drawn in dispersion first.
Separately, mill fixture 100 may further include resetting means 160, and it is arranged between hold down gag 130 and sleeve 120.Wherein, corresponding installing hole 122 is provided with in sleeve 120, and resetting means 160 is arranged in installing hole 122 and the pressing plate 131 contacted in hold down gag 130, unclamp with the reset hold down gag 130 when power set 140 off-load the circular workpiece 10 be sleeved on sleeve 120.In the present embodiment, resetting means 160 can adopt back-moving spring and realize, and certainly, it also can adopt the resetting means of other form.
In the present invention, the end (one end away from hold down gag 130) of sleeve 120 is provided with positioning convex 121, and its circumference is arranged on the periphery wall of this end of sleeve 120, is contained in the circular workpiece 10 on sleeve 120 with positioning sleeve.When circular workpiece 10 is sleeved on sleeve 120, then locating convex block 121 can avoid circular workpiece 10 to come off from the end of sleeve 120 by setting circle annular work piece 10, and when compressing circular workpiece 10, locating convex block 121 can coordinate with hold down gag 130 thus is clamped between locating convex block 121 and hold down gag 130 by circular workpiece 10.
Preferably, the suit hole of sleeve 120 can be designed as tapered sleeve, and the periphery wall of clamp body 110 has a corresponding taper fit face 117, and sleeve 120 is sleeved on the taper fit face 117 on clamp body 110.The suit hole of sleeve 120 is designed to tapered sleeve, and is sleeved on the taper fit face 117 on clamp body 110, and sleeve 120 can be made to be positioned at better on clamp body 110.
In use, in the patchhole 114 that top 170 tail ends inserting clamp body 110 are offered, oil filler 171 injection pressure oil by top 170, pressure oil is by first oil circuit 172 of top 170 and second oil circuit 115 set by tail end of clamp body 110 in the oil pocket 143 in injection liquid pressure device 140.Piston 141 due to hydraulic means 140 is fixed on clamp body 110, and the pressure oil therefore injected in oil pocket 143 promotes cylinder body 142 and moves right, be then connected with cylinder body 142 second draws pin 153 to correspondingly moving right.Correspondingly, second draws pin 153 to drive pull bar 151 and first to draw pin 152 to move right, then first draw the part that pin 152 runs through clamp body 110 to force the spheric washer 132 in hold down gag 130 and pressing plate 131 to move right, thus make pressing plate 131 tightly clamping sleeve be contained in the workpiece 10 on sleeve 120.Workpiece 10 after clamped fixing, then can utilize grinding attachment to carry out grinding to it.
After machining, stop injection pressure oil to make oil pocket 143 off-load, then under the effect of back-moving spring 160, hold down gag 130 resets, thus unclamps the workpiece be sleeved on sleeve 120.
Refer to Fig. 2, it is the schematic diagram of the mill fixture shown in second embodiment of the invention.As shown in Figure 2, the mill fixture 200 shown in the present embodiment is similar to the mill fixture 100 shown in the first embodiment, and it also comprises clamp body 210, sleeve 220, hold down gag 230 and power set 240.But the hold down gag 230 in the mill fixture 200 shown in the present embodiment is fixed on clamp body 210, and power set 240 are hydraulic means, and it comprises cylinder body 242 and piston 241.Wherein, the cylinder body 242 of power set 240 is set with and is fixed on clamp body 210, and piston 241 is sleeved on clamp body 210 and connect cylinder body 242, and piston 241 is at the opposite side place conflict sleeve 220 of the end near sleeve 220, and forms oil pocket 243 between cylinder body 242 and piston 241.
In use, by top can be in power set 240 oil pocket 243 injection pressure oil, because the cylinder body 242 in power set 240 is fixed on clamp body 210, therefore the pressure oil injected in oil pocket 243 can promote piston 241 and be moved to the left, namely move towards hold down gag 230, therefore the sleeve 220 that piston 241 is conflicted also is moved to the left under the promotion of piston 241, namely move towards hold down gag 230, therefore, although hold down gag 230 is motionless, but along with the movement of sleeve 220, between the end that the workpiece 20 that sleeve 220 is set with also can be pressed in sleeve 220 and hold down gag 230.Then, the processing can be correlated with to workpiece 20, and after machining, can utilize resetting means (sign) that hold down gag 230 is separated with sleeve 220, thus unclamp the workpiece 20 be sleeved on sleeve 220.
In addition, preferably, in the present embodiment, the suit hole of sleeve 220 also can be designed as tapered sleeve, and the periphery wall of clamp body 210 also correspondingly has a corresponding taper fit face, but, in the present embodiment, one end of the small diameter in the suit hole of the tapered sleeve form of sleeve 220 and the taper fit face of correspondence is towards the piston 241 of power set 240, and the larger-diameter other end is towards hold down gag 230, to be positioned on clamp body 210 by sleeve 220 better.
In sum, disclosed mill compaction device for clamp and the cooperation of power set, clamping and the loosening up to needing the workpiece processed can be realized, therefore, disclosed mill fixture can realize automated production, reduce the working strength of labourer, operation rapidly, and disclosed mill clamp precision is high, clamping force is large, simple to operate, only need simply to draw the logical oil circuit interrupting being correlated with, it is specially adapted to the circular workpiece processing major diameter segmentation, in addition, it once can process multiple workpiece, thus can enhance productivity widely.
The foregoing is only embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. one kind for clamping the mill fixture (100,200) of circular workpiece (10,20), it is characterized in that, comprising:
Clamp body (110,210);
Sleeve (120,220), be sleeved on described clamp body (110,210), and described workpiece (10,20) suit is positioned on described sleeve (120,220), and the end of the side of described workpiece (10,20) and described sleeve (120,220) offsets;
Hold down gag (130,230), is sleeved on described clamp body (110,210) and goes up and the side being arranged on the end away from described sleeve (120,220);
Power set (140,240), be arranged on the opposite side of the end near described sleeve (120,220), and drive one of described hold down gag (130,230) and described sleeve (120,220) to carry out moving thus make described hold down gag (130,230) clamping sleeve be contained in the opposite side of the described workpiece (10,20) on described sleeve (120,220).
2. mill fixture according to claim 1, it is characterized in that, described mill fixture comprises power transmission (150) further, be arranged between described power set (140) and described hold down gag (130), wherein, described power transmission (150) comprising:
Pull bar (151), wherein, be provided with centre bore (111), and described pull bar (151) is arranged in described centre bore (111) in described clamp body (110);
First draws pin (152);
Second draws pin (153), wherein, described first draws pin (152) and described second to draw pin (153) to be separately positioned on the opposite end of described pull bar (151), and described clamp body (110) is offered corresponding the first opening (112) and the second opening (113), described first draws pin (152) and described second to draw pin (153) to run through described clamp body (110) from described first opening (112) of correspondence and described second opening (113) respectively, and the opening size of described first opening (112) and described second opening (113) be greater than described first draw pin (152) and described second draw the diameter of pin (153) with make described first draw pin (151) and described second draw pin (153) described first opening (112) of correspondence and described second opening (113) place mobile relative to described clamp body (110),
Wherein, described first draws pin (152) to connect described hold down gag (130) from the part that described clamp body (110) runs through out, and described second draws pin (153) to connect described power set (140) from the part that described clamp body (110) runs through out, the power that then described power set (140) produce draws pin (153) by described second successively, described pull bar (151) and described first draws pin (152) and transfers to described hold down gag (130) thus order about the mobile opposite side being contained in the described workpiece (10) on described sleeve (120) with clamping sleeve of described hold down gag (130).
3. mill fixture according to claim 2, is characterized in that, described power set (140) are hydraulic means, and described hydraulic means (140) comprising:
Piston (141), is fixedly set in described clamp body (110) and goes up and described sleeve (120,220) of conflicting at the opposite side place of the end near described sleeve (120,220);
Cylinder body (142), be sleeved on described clamp body (110) go up and connect described piston (141), wherein, oil pocket (143) is formed between described cylinder body (142) and described piston (141), and described second draws pin (153) to be fixed on described cylinder body (142), when pressure oil injects described oil pocket (143), described cylinder body (142) moves relative to described piston (141) and drives described second to draw pin (153) to move under the effect of described pressure oil on described clamp body (110).
4. mill fixture according to claim 3, it is characterized in that, described mill fixture comprises top (170) further, wherein, described top (170) comprise oil filler (171) and the first oil circuit (172), and described first oil circuit (172) connects described oil filler (171); And the tail end of described clamp body (110) offers patchhole (114) and the second oil circuit (115), and described second oil circuit (115) connects described oil pocket (143); The tail end inserting described clamp body (110) when described top (170) offer described patchhole (114) time, described first oil circuit (171) and described second oil circuit (115) communicate, and inject described oil pocket (143) to make the described pressure oil injected at described oil filler (171) by described first oil circuit (172) and described second oil circuit (115).
5. mill fixture according to claim 2, is characterized in that, described hold down gag (130) comprising:
Pressing plate (131), is sleeved on described clamp body (110) and goes up and be arranged on the side of described sleeve (120);
Spheric washer (132), is sleeved on described clamp body (110) and goes up and be arranged between part that described pressing plate (131) and described first draws pin (152) to run through out from described clamp body (110).
6. mill fixture according to claim 2, it is characterized in that, described mill fixture comprises the resetting means (160) be arranged between described hold down gag (130) and described sleeve (120) further, wherein, corresponding installing hole (122) is provided with in described sleeve (120), described resetting means (160) to be arranged in described installing hole (122) and to contact described hold down gag (130), to reset described hold down gag (130) and unclamp the described workpiece (10) be sleeved on described sleeve (120) when described power set (140) off-load.
7. mill fixture according to claim 2, it is characterized in that, the end of described sleeve (120) is provided with locating convex block (121), its circumference is arranged on the periphery wall of this end of described sleeve (120), is contained in the described workpiece (10) on described sleeve (120) with positioning sleeve.
8. mill fixture according to claim 2, it is characterized in that, described sleeve (120) is tapered sleeve, and the periphery wall of described clamp body (110) having a taper fit face (117), described tapered sleeve (120) is sleeved on the taper fit face (117) on described clamp body (110).
9. mill fixture according to claim 1, is characterized in that, described hold down gag (230) is fixed on described clamp body (210), and described power set (240) are hydraulic means, and it comprises:
Cylinder body (242), is set with and is fixed on described clamp body (210);
Piston (241), be sleeved on described clamp body (210) go up and connect described cylinder body (242), the described sleeve (220) and described piston (241) is conflicted at the opposite side place of the end near described sleeve (220), wherein, oil pocket (243) is formed between described cylinder body (242) and described piston (241), when pressure oil injects described oil pocket time (243), described piston (241) is mobile towards described hold down gag (230) on described clamp body (210) under the effect of described pressure oil, the described sleeve (220) of conflicting to drive it is correspondingly mobile towards described hold down gag (230).
10. for processing a grinding attachment for circular workpiece, it is characterized in that, described grinding attachment comprises the mill fixture as described in claim 1-9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310724682.6A CN104708535A (en) | 2013-12-12 | 2013-12-12 | Grinding clamps for clamping annular workpieces and corresponding grinding devices thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310724682.6A CN104708535A (en) | 2013-12-12 | 2013-12-12 | Grinding clamps for clamping annular workpieces and corresponding grinding devices thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104708535A true CN104708535A (en) | 2015-06-17 |
Family
ID=53408526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310724682.6A Pending CN104708535A (en) | 2013-12-12 | 2013-12-12 | Grinding clamps for clamping annular workpieces and corresponding grinding devices thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104708535A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU418993A1 (en) * | 1972-03-16 | 1974-03-05 | ||
| CN201073738Y (en) * | 2007-09-17 | 2008-06-18 | 济南一机床集团有限公司 | Lathe fixture |
| CN201645194U (en) * | 2010-04-22 | 2010-11-24 | 四川柳河齿轮有限公司 | Clamping device for processing of excircle thin wall part |
| CN201702404U (en) * | 2010-03-25 | 2011-01-12 | 常州比优特机械设备制造有限公司 | Expansion sleeve fixture |
| CN103009113A (en) * | 2012-12-06 | 2013-04-03 | 重庆市南川区富民科技推广中心 | Interior clamping device |
-
2013
- 2013-12-12 CN CN201310724682.6A patent/CN104708535A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU418993A1 (en) * | 1972-03-16 | 1974-03-05 | ||
| CN201073738Y (en) * | 2007-09-17 | 2008-06-18 | 济南一机床集团有限公司 | Lathe fixture |
| CN201702404U (en) * | 2010-03-25 | 2011-01-12 | 常州比优特机械设备制造有限公司 | Expansion sleeve fixture |
| CN201645194U (en) * | 2010-04-22 | 2010-11-24 | 四川柳河齿轮有限公司 | Clamping device for processing of excircle thin wall part |
| CN103009113A (en) * | 2012-12-06 | 2013-04-03 | 重庆市南川区富民科技推广中心 | Interior clamping device |
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Address after: 410013 Yuelu District, Hunan, silver basin Road, No. 361, No. Applicant after: Zoomlion Heavy Industry Science & Technology Development Co., Ltd. Address before: 410007 ZOOMLION grand pond Industrial Park, Yuanda Road, Changsha economic and Technological Development Zone, Changsha, Hunan 2, China Applicant before: Zoomlion Heavy Industry Science & Technology Development Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150617 |