CN211868260U - Tubular ceramic target green compact machining clamp - Google Patents
Tubular ceramic target green compact machining clamp Download PDFInfo
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- CN211868260U CN211868260U CN201922500153.3U CN201922500153U CN211868260U CN 211868260 U CN211868260 U CN 211868260U CN 201922500153 U CN201922500153 U CN 201922500153U CN 211868260 U CN211868260 U CN 211868260U
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- support body
- ceramic target
- chuck
- pull rod
- shaft sleeve
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Abstract
The utility model discloses a tubulose ceramic target unburned bricks adds clamping apparatus. The clamp comprises a support body, a pull rod, a shaft sleeve, an end cover, a locking nut, a chuck and a support rib, wherein the end cover is arranged at the front end of the support body, a central hole is formed in the end cover, the pull rod is inserted into the support body through the central hole, the locking nut is screwed at one end of the pull rod, which is positioned outside the support body, and one end of the pull rod, which is positioned in the support body, is in threaded connection with the shaft sleeve; the number of the chucks is at least 3 groups, and the chucks of the at least 3 groups are provided with arc-shaped clamping surfaces and are uniformly arranged along the outer circumferential direction of the support body; the support body is provided with rectangular openings, each rectangular opening is embedded with a support rib with an inclined plane, the inclined planes are in contact with the outer circumferential surface of the shaft sleeve, and the support ribs are fixedly connected with the chucks. The utility model discloses can once the processing is accomplished to clamping target unburned bricks, and the clamping-force is even, can solve ceramic target unburned bricks and appear the problem of fracture easily in the course of working.
Description
Technical Field
The utility model relates to a ceramic target processing equipment technical field, concretely relates to tubulose ceramic target unburned bricks machining anchor clamps.
Background
The ceramic target is a very important vacuum coating material, and comprises ZnO, AZO, GZO, IZO, IGZO, ITO and TiO2、Nb2O5And the like. The ceramic target is a ceramic material formed by mixing, granulating, molding and sintering one or more oxide powders. The ceramic material is difficult to process due to low strength after being formed, and particularly, the ceramic material is easy to crack when being processed into a target green body due to the fact that the clamping force of the clamp is large and uneven in the processing process, and the yield is reduced. If the formed target green body is not machined to a regular size and the wall thickness of the green body is not uniform enough, the sintering uniformity can be influenced, the sintered target becomes a ceramic material, the post-processing is very difficult, the grinding amount is large, the efficiency is low, and the cost is wasted. Therefore, a fixture suitable for processing the tubular ceramic target is urgently needed, so that the tubular ceramic target green body is not easy to crack in the processing process, the processing can be completed by one-time clamping, the clamping force is uniform, and the processed size is standard.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point and provide a tubulose ceramic target unburned bricks adds clamping apparatus, this anchor clamps can a clamping accomplish processing to the clamping-force is even, and processing back size standard can solve the problem that ceramic target unburned bricks appear the fracture easily in the course of working, makes its sintering process more even, and the target blank allowance of processing after the sintering is little, reduces production man-hour by a wide margin, improves production efficiency, improves the product yield, reduce cost.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a tubular ceramic target green body machining clamp comprises a support body, a pull rod, a shaft sleeve, an end cover, a locking nut, a chuck and a support rib, wherein the end cover is arranged at the front end of the support body, a central hole is formed in the end cover, the pull rod is inserted into the support body through the central hole, the locking nut is screwed at the front end of the pull rod, which is positioned outside the support body, and the tail end of the pull rod, which is positioned inside the support body, is in threaded connection with the shaft sleeve; the number of the chucks is at least 3 groups, preferably 3 groups, and the at least 3 groups of chucks are provided with circular arc-shaped clamping surfaces and are uniformly arranged along the outer circumferential direction of the support body; the support body is provided with rectangular openings, each rectangular opening is embedded with a support rib with an inclined plane, the inclined planes are in contact with the outer circumferential surface of the shaft sleeve, and the support ribs are fixedly connected with the chucks.
The target green body is sleeved outside the chuck, the shaft sleeve is driven to move in the support body along the horizontal direction by rotating the pull rod, the outer circumferential surface of the shaft sleeve is in contact with the inclined surface on the support rib, the support rib is pushed to move outwards along the radial direction of the support body by the movement of the shaft sleeve, the chuck with the arc-shaped clamping surface is driven to be in contact with the inner wall of the target green body and to be tensioned, and the chuck and the target green body are kept in a tensioned state by screwing the locking nut.
After the target green compact is finished, the locking nut is loosened, the pull rod is rotated to move on the pull rod along the horizontal direction, so that the movement of the shaft sleeve pushes the support rib to move inwards along the radial direction of the support body, the chuck and the target green compact are in a loosening state, and the processed target green compact is convenient to take down from the clamp.
The utility model discloses an anchor clamps press from both sides tightly simultaneously through the at least three convex clamping face of circumferencial direction, and the area of contact of chuck and target unburned bricks is big, and is little to the target unit area atress to the clamping-force is even, avoids target unburned bricks centre gripping fracture, ensures target unburned bricks processing back dimensional standard.
Preferably, anchor clamps still include guiding mechanism, guiding mechanism includes that guiding axle, cushion and direction axle sleeve constitute, be equipped with the through-hole on the supporter, the guiding axle is installed on the chuck to pass in the through-hole gets into the supporter, the part that the guiding axle is located between supporter and chuck still overlaps and is equipped with the cushion, and with the supporting direction axle sleeve of guiding axle improves the chuck of anchor clamps in radial gliding precision.
Preferably, the part of the guide shaft in the support body is also sleeved with a spring to ensure that the clamp can be actively reset when being loosened.
Preferably, the surface roughness Ra of the through hole on the supporting body is less than 1.6 μm, so that the friction between the supporting body and the guide shaft is reduced, and the accuracy of the radial sliding of the chuck of the clamp is improved.
Preferably, the guide shaft and the chuck are fixed through bolt connection.
The supporting body and the chuck can adopt an integrated structure or a split structure, preferably, the supporting body and the chuck are of the split structure, and the supporting ribs and the chuck are fixedly connected through bolts, so that the chuck is convenient to replace.
Preferably, the tail end of the support body is provided with an ejector pin hole, when the fixture and the target green body are placed on a lathe to be machined, an ejector pin of a lathe tailstock is ejected into the ejector pin hole, and the fixture is convenient to fix on the lathe.
Preferably, the material of the support body is carbon steel, stainless steel, aluminum alloy or titanium alloy, preferably aluminum alloy, and the weight of the clamp can be further reduced by selecting the aluminum alloy.
Preferably, the shaft sleeve is a brass shaft sleeve or a graphite shaft sleeve, and the surface roughness of the shaft sleeve is favorably reduced.
Preferably, two ends of the shaft sleeve are respectively provided with a fixing plate, the fixing plates are respectively provided with a central hole, and the pull rod penetrates through the central holes and is tightly pressed through a fixing nut.
The utility model discloses a use method of anchor clamps does:
(1) sleeving the target green body outside the chuck, driving the shaft sleeve to move along the horizontal direction by rotating the pull rod, enabling the shaft sleeve to be in contact with the inclined surface on the support rib, and enabling the support rib to move along the radial direction of the support body by the movement of the shaft sleeve so as to drive the chuck with the arc-shaped clamping surface to be in contact with the inner wall of the target green body and be tensioned;
(2) the mounted fixture and the target green body are mounted on a lathe, the front end of the fixture is clamped by a three-grab chuck, and the tail end of the fixture is tightly jacked by a thimble of a lathe tailstock;
(3) and turning the surface and two end faces of the target green body according to the machining requirement.
(4) And after the machining is finished, simultaneously taking down the fixture together with the target green body, loosening the locking nut and taking out the target green body.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an anchor clamps press from both sides tightly simultaneously through the at least three convex clamping face of circumferencial direction, the area of contact of chuck and target unburned bricks is big, and is little to target unit area atress, makes ceramic target unburned bricks be difficult for appearing the fracture in the course of working, can the clamping completion processing of once, and the clamping-force is even, and processing back size standard makes its sintering process more even, and the sintering back target unburned bricks machining allowance is little, and reduction in production man-hour increases substantially, improves production efficiency, improves the product yield, reduce cost.
Drawings
Fig. 1 is a front view of the fixture for processing the green compact of the tubular ceramic target of the present invention;
fig. 2 is a cross-sectional view of the fixture for processing the green compact of the tubular ceramic target of the present invention;
fig. 3 is a partially enlarged view of the guide mechanism of the present invention;
1-support body, 2-pull rod, 3-shaft sleeve, 4-end cover, 5-locking nut, 6-chuck, 7-support rib, 8-guide shaft, 9-cushion block, 10-guide shaft sleeve, 11-spring, 12-bolt, 13-thimble hole and 14-fixing plate.
Detailed Description
To better illustrate the objects, aspects and advantages of the present invention, the present invention will be further described with reference to specific embodiments. It will be understood by those skilled in the art that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the examples, the experimental methods used were all conventional methods unless otherwise specified, and the materials, reagents and the like used were commercially available without otherwise specified.
A tubular ceramic target green body processing clamp is shown in figures 1-3 and comprises a support body 1, a pull rod 2, a shaft sleeve 3, an end cover 4, a locking nut 5, a chuck 6 and a support rib 7, wherein the end cover 2 is arranged at the front end of the support body 1, a central hole is formed in the end cover 2, the pull rod 2 is inserted into the support body 1 through the central hole, the locking nut 5 is screwed at the front end of the pull rod 2, which is positioned outside the support body 1, and the tail end of the pull rod 2, which is positioned inside the support body 1, is in threaded connection with the shaft sleeve 3; the number of the chucks 6 is at least 3 groups, preferably 3 groups, and the at least 3 groups of chucks 6 are provided with circular arc-shaped clamping surfaces and are uniformly arranged along the outer circumferential direction of the support body 1; the supporting body 1 is provided with rectangular openings, each rectangular opening is embedded with a supporting rib 7 with an inclined plane, the inclined planes are in contact with the outer circumferential surface of the shaft sleeve 3, and the supporting ribs 7 are fixedly connected with the clamping heads 6.
The length of the pull rod 2 is not less than the linear distance between the rectangular opening and the end cover 4, and the support rib 7 is embedded into the support body 1 through the rectangular opening, so that the inclined surface can be contacted with the outer circumferential surface of the shaft sleeve 3.
The target green compact is sleeved outside the chuck, the shaft sleeve is driven to move along the horizontal direction by rotating the pull rod, so that the shaft sleeve is in contact with the inclined surface on the supporting rib, the supporting rib is pushed to move outwards along the radial direction of the supporting body by the movement of the shaft sleeve, the chuck with the arc-shaped clamping surface is driven to be in contact with the inner wall of the target green compact and to be tensioned, and the chuck and the target green compact are kept in a tensioned state by screwing the locking nut. After the target green compact is finished, the locking nut is loosened, the pull rod is rotated to move on the pull rod along the horizontal direction, so that the movement of the shaft sleeve pushes the support rib to move inwards along the radial direction of the support body, and the chuck and the target green compact are in a loosened state.
The utility model discloses an anchor clamps press from both sides tightly simultaneously through the at least three convex clamping face of circumferencial direction, and the area of contact of chuck and target unburned bricks is big, and is little to the target unit area atress to the clamping-force is even, avoids target unburned bricks centre gripping fracture, ensures target unburned bricks processing back dimensional standard.
The utility model discloses in, anchor clamps still include guiding mechanism, guiding mechanism includes that guiding axle 8, cushion 9 and guiding axle sleeve 10 constitute, be equipped with the through-hole on the supporter 1, guiding axle 8 is installed on chuck 6 to pass in the through-hole gets into supporter 1, the part that guiding axle 8 is located between supporter 1 and the chuck 6 still overlaps and is equipped with cushion 9, and with the supporting guiding axle sleeve 10 of guiding axle 8 improves the chuck of anchor clamps at radial slip's precision.
The utility model discloses in, the part that guiding axle 8 is located supporter 1 still overlaps and is equipped with spring 11, and when chuck and target unburned bricks are in the state that rises and tightly, the spring is in compression state, and when anchor clamps are loosening, the spring resets, and then makes chuck and brace rod can initiatively reset through guiding axle and guiding axle sleeve.
The guide shaft 8 is provided with a protrusion at the end part positioned in the support body 1, so that the spring 11 can be prevented from falling off.
In the present invention, the surface roughness Ra of the through hole on the support body 1 is smaller than 1.6 μm, reducing the friction between the support body 1 and the guide shaft 8.
In the present invention, the guide shaft 8 is fixed to the chuck 6 by a bolt 12.
In the present invention, the end cap 4 is fixed to the support body 1 by bolts 12.
The supporting body 1 and the chuck 6 can adopt an integrated structure or a split structure, preferably, the supporting body 1 and the chuck 6 are in the split structure, and the supporting ribs 7 and the chuck 6 are fixedly connected through bolts 12, so that the chuck is convenient to replace.
The utility model discloses in, supporter 1 is hollow cylindrical structure, supporter 1's end is equipped with thimble hole 13, and when this anchor clamps and target unburned bricks were arranged in on the lathe and were added man-hour, this thimble hole was gone into in the thimble top of lathe tailstock, was convenient for fix this anchor clamps on the lathe.
The utility model discloses in, the material of supporter 1 is carbon steel, stainless steel, aluminum alloy or titanium alloy, and preferably aluminum alloy chooses for use the aluminum alloy can further alleviate the weight of anchor clamps.
The utility model discloses in, axle sleeve 3 is brass axle sleeve or graphite axle sleeve, is favorable to reducing axle sleeve roughness.
Two ends of the shaft sleeve 3 are respectively provided with a fixing plate 14, the fixing plates 14 are respectively provided with a central hole, and the pull rod penetrates through the central holes and is tightly pressed through a fixing nut.
The utility model discloses a use method of anchor clamps does:
(1) sleeving the target green body outside the chuck 6, driving the shaft sleeve 3 to move along the horizontal direction by rotating the pull rod 2, enabling the shaft sleeve 3 to be in contact with the inclined surface on the support rib 7, pushing the support rib 7 to move along the radial direction of the support body 1 by the movement of the shaft sleeve 3, further driving the chuck 6 with the arc-shaped clamping surface to be in contact with the inner wall of the target green body and tension, and screwing the locking nut 5;
(2) the mounted fixture and the target green body are mounted on a lathe, the front end of the fixture is clamped by a three-grab chuck, and the tail end of the fixture is tightly jacked by a thimble of a lathe tailstock through a thimble hole 13;
(3) and turning the surface and two end faces of the target green body according to the machining requirement.
(4) After the machining is finished, the fixture and the target green body are taken down simultaneously, the locking nut 5 is loosened, and the target green body is taken out.
The utility model discloses an anchor clamps press from both sides tightly simultaneously through the at least three convex clamping face of circumferencial direction, the area of contact of chuck and target unburned bricks is big, and is little to target unit area atress, makes ceramic target unburned bricks be difficult for appearing the fracture in the course of working, can the clamping completion processing of once, and the clamping-force is even, and processing back size standard makes its sintering process more even, and the sintering back target unburned bricks machining allowance is little, and reduction in production man-hour increases substantially, improves production efficiency, improves the product yield, reduce cost.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.
Claims (11)
1. A tubular ceramic target green body machining clamp is characterized by comprising a support body, a pull rod, a shaft sleeve, an end cover, a locking nut, a chuck and a support rib, wherein the end cover is arranged at the front end of the support body, a central hole is formed in the end cover, the pull rod is inserted into the support body through the central hole, the locking nut is screwed at the front end of the pull rod, which is positioned outside the support body, and the tail end of the pull rod, which is positioned in the support body, is in threaded connection with the shaft sleeve; the number of the chucks is at least 3 groups, and the chucks of the at least 3 groups are provided with arc-shaped clamping surfaces and are uniformly arranged along the outer circumferential direction of the support body; the support body is provided with rectangular openings, each rectangular opening is embedded with a support rib with an inclined plane, the inclined planes are in contact with the outer circumferential surface of the shaft sleeve, and the support ribs are fixedly connected with the chucks.
2. The tubular ceramic target green body processing clamp of claim 1, wherein the clamp further comprises a guiding mechanism, the guiding mechanism comprises a guiding shaft, a cushion block and a guiding shaft sleeve, a through hole is formed in the support body, the guiding shaft is mounted on the chuck and penetrates through the through hole to enter the support body, and the cushion block and the guiding shaft sleeve matched with the guiding shaft are further sleeved on a portion of the guiding shaft between the support body and the chuck.
3. The tubular ceramic target green body machining fixture of claim 2, wherein a spring is further sleeved on a portion of the guide shaft located in the support body.
4. The green compact machining fixture of claim 2, wherein the surface roughness Ra of the through hole on the support body is less than 1.6 μm.
5. The tubular ceramic target green body machining fixture of claim 2, wherein the guide shaft and the chuck are fixed by bolting.
6. The tubular ceramic target green body machining fixture of claim 1, wherein the support ribs and the chuck are fixed by bolts.
7. The tubular ceramic target green body machining fixture of claim 1, wherein the end of the support body is provided with an thimble hole.
8. The tubular ceramic target green body machining fixture of any one of claims 1 to 7, wherein the support body is made of carbon steel, stainless steel, aluminum alloy or titanium alloy.
9. The tubular ceramic target green body machining fixture of claim 8, wherein the support body is made of aluminum alloy.
10. The tubular ceramic target green body machining fixture of any one of claims 1 to 7, wherein the bushing is a brass bushing or a graphite bushing.
11. The tubular ceramic target green body processing fixture as claimed in claim 10, wherein the shaft sleeve has a fixing plate at each end, the fixing plate has a central hole, and the pull rod passes through the central hole and is pressed by the fixing nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922500153.3U CN211868260U (en) | 2019-12-31 | 2019-12-31 | Tubular ceramic target green compact machining clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922500153.3U CN211868260U (en) | 2019-12-31 | 2019-12-31 | Tubular ceramic target green compact machining clamp |
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| Publication Number | Publication Date |
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| CN211868260U true CN211868260U (en) | 2020-11-06 |
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| CN201922500153.3U Active CN211868260U (en) | 2019-12-31 | 2019-12-31 | Tubular ceramic target green compact machining clamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111037769A (en) * | 2019-12-31 | 2020-04-21 | 广州市尤特新材料有限公司 | Tubular ceramic target green compact machining clamp |
| CN114702312A (en) * | 2022-04-18 | 2022-07-05 | 株洲火炬安泰新材料有限公司 | ITO target material sintering size control method |
-
2019
- 2019-12-31 CN CN201922500153.3U patent/CN211868260U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111037769A (en) * | 2019-12-31 | 2020-04-21 | 广州市尤特新材料有限公司 | Tubular ceramic target green compact machining clamp |
| CN114702312A (en) * | 2022-04-18 | 2022-07-05 | 株洲火炬安泰新材料有限公司 | ITO target material sintering size control method |
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