CN209868174U - Special fixture for artificial diamond hard alloy composite sheet and grinding and chamfering device - Google Patents
Special fixture for artificial diamond hard alloy composite sheet and grinding and chamfering device Download PDFInfo
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- CN209868174U CN209868174U CN201920641176.3U CN201920641176U CN209868174U CN 209868174 U CN209868174 U CN 209868174U CN 201920641176 U CN201920641176 U CN 201920641176U CN 209868174 U CN209868174 U CN 209868174U
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- jacket
- artificial diamond
- hard alloy
- cavity
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- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 63
- 239000010432 diamond Substances 0.000 title claims abstract description 63
- 239000000956 alloy Substances 0.000 title claims abstract description 37
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 37
- 239000002131 composite material Substances 0.000 title claims abstract description 31
- 238000009434 installation Methods 0.000 claims abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The utility model relates to a special fixture and a grinding and chamfering device for an artificial diamond hard alloy composite sheet, wherein the special fixture is used for the artificial diamond hard alloy composite sheet with N inclined planes, the special fixture comprises a jacket and a positioning sleeve, the positioning sleeve comprises an accommodating cavity for accommodating the jacket, and the jacket comprises a clamping cavity for clamping the artificial diamond composite sheet; the axis of the accommodating cavity is inclined at an inclined angle relative to the axis of the positioning sleeve; the axis of the clamping cavity is superposed with the axis of the jacket; the jacket can be detachably installed in the accommodating cavity in a first installation state to an Nth installation state, and the jacket rotates around the axis of the jacket by a rotation angle which is larger than 0 degrees and smaller than or equal to 180 degrees in sequence from the first installation state to the Nth installation state, so that the inclined plane is perpendicular to the axis of the positioning sleeve in sequence. The utility model discloses can conveniently accurately carry out grinding and chamfer to the inclined plane of artificial diamond carbide.
Description
Technical Field
The utility model relates to a technical field is made to the compound piece of artificial diamond carbide, concretely relates to special fixture and chamfer device of compound piece of artificial diamond carbide.
Background
The artificial diamond hard alloy composite sheet is a superhard material made of artificial diamond and hard alloy under high temperature and high pressure, and has the high hardness and high wear resistance of diamond and the high impact resistance of hard alloy. The artificial diamond hard alloy composite sheet is widely applied to the fields of oil drilling, natural gas drilling, geological exploration, mechanical processing and the like as an efficient cutting material.
Synthetic diamond cemented carbide compacts generally have a cylindrical body with an end face on the synthetic diamond layer being generally planar. The end face may also have different shapes depending on the requirements of different applications of the synthetic diamond carbide compact, for example the end face may comprise two inclined bevels which are symmetrical with respect to a plane passing through the axis of the synthetic diamond carbide body, forming a roof-like shape.
In order to reduce stress concentration and remove burrs generated during the production of the synthetic diamond cemented carbide composite sheet, it is generally necessary to cut corners of the end faces and form chamfers. The chamfering is usually carried out by driving the artificial diamond hard alloy composite sheet to rotate by a rotating device through a clamp and cutting edges and corners of the end face of the artificial diamond hard alloy composite sheet through a grinding tool. However, for the end face having the above symmetrical inclined surface, when chamfering the corner of the inclined surface, it is generally necessary to adjust the angle of the rotating device or the grinding tool to the inclined surface. The angle workload of adjusting the rotating device or the grinding tool is large, and the problem that the angle is difficult to ensure is solved.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a to prior art not enough, the first purpose of the utility model is to provide a can conveniently accurately carry out inclined plane grinding and the anchor clamps of chamfer to the compound piece of artificial diamond carbide.
The second purpose of the utility model is to provide a can conveniently accurately carry out the device of grinding and chamfer to the synthetic diamond carbide composite sheet that has the inclined plane.
In order to realize the first purpose of the utility model, the utility model provides a special fixture of an artificial diamond hard alloy composite sheet, the artificial diamond hard alloy composite sheet comprises a cylindrical main body and an end surface arranged at one end of the main body, the main body is provided with a main body axis, the end surface comprises N inclined planes, N is an integer more than or equal to 2, and each inclined plane and a plane perpendicular to the main body axis form the same inclination angle; the special fixture comprises a jacket and a positioning sleeve, the positioning sleeve comprises an accommodating cavity, and the jacket comprises a clamping cavity for clamping the artificial diamond compact; the clamping sleeve is provided with a clamping sleeve axis, the positioning sleeve is provided with a positioning sleeve axis, the accommodating cavity is provided with an accommodating cavity axis, and the clamping cavity is provided with a clamping cavity axis; the axis of the accommodating cavity is inclined at an inclined angle relative to the axis of the positioning sleeve; the axis of the clamping cavity is superposed with the axis of the jacket; when the jacket is arranged in the accommodating cavity, the axis of the jacket is superposed with the axis of the accommodating cavity; when the artificial diamond hard alloy composite sheet is clamped in the clamping cavity, the axis of the main body is superposed with the axis of the clamping cavity; the jacket can be detachably installed in the accommodating cavity in a first installation state to an Nth installation state, and the jacket rotates around the axis of the jacket by a rotation angle which is larger than 0 degrees and smaller than or equal to 180 degrees in sequence from the first installation state to the Nth installation state, so that the inclined plane is perpendicular to the axis of the positioning sleeve in sequence.
It is from top to bottom visible, the utility model discloses a compound piece special fixture of artificial diamond carbide includes two parts of separable clamp cover and position sleeve. The axis of the accommodating cavity is inclined to the axis of the positioning sleeve, the axis of the clamping cavity is overlapped with the axis of the jacket, the axis of the jacket is overlapped with the axis of the accommodating cavity when the jacket is installed in the accommodating cavity, the axis of the main body is overlapped with the axis of the clamping cavity when the artificial diamond hard alloy composite sheet is installed in the clamping cavity, so that the axis of the jacket is inclined relative to the axis of the positioning sleeve, and the axis of the main body is inclined relative to the axis of the positioning sleeve, so that one inclined surface of the artificial diamond hard alloy composite sheet is perpendicular. When the positioning sleeve rotates relative to the axis of the positioning sleeve, the inclined plane rotates on a plane vertical to the axis of the positioning sleeve, and the existing rotating device aiming at the plane end face and the grinding tool can be not changed to grind the edges and corners of the inclined plane. When the bevel finishes chamfering, the jacket is taken out, rotated by a certain angle and then installed in the positioning sleeve, and then the other bevel can be chamfered. The utility model discloses need not adjust the angle of current rotating device and grinding apparatus, inclination has already been confirmed by holding the chamber, the utility model discloses a special fixture can conveniently accurately carry out the chamfer to artificial diamond carbide's symmetrical inclined plane.
The further technical scheme is that the accommodating cavity is provided with a first bottom surface, and the first bottom surface is inclined at an inclined angle relative to a plane perpendicular to the axis of the positioning sleeve.
It is from top to bottom visible, the utility model discloses setting up the first bottom surface that the support pressed from both sides the cover in holding the intracavity, can further improving the installation stability who presss from both sides the cover, prevent to press from both sides the cover and remove along holding the chamber axis.
The further technical proposal is that the clamping cavity is provided with a second bottom surface which is vertical to the axis of the jacket.
From top to bottom, the utility model discloses set up the second bottom surface that supports the compound piece of artificial diamond carbide in the centre gripping intracavity, can further improve the installation stability of the compound piece of artificial diamond carbide, prevent that the compound piece of artificial diamond carbide from removing along centre gripping chamber axis.
The further technical scheme is that a through hole penetrating through the bottom of the clamping cavity is formed in the second bottom surface.
It is from top to bottom visible, the utility model discloses set up the through hole on the second bottom surface, be favorable to when accomplishing the chamfer, ejecting with the compound piece of artificial diamond carbide through the through hole.
The further technical scheme is that the outer side face of the jacket is provided with a convex block, the inner side face of the accommodating cavity is provided with a groove which extends inwards from the opening of the accommodating cavity, and the convex block is matched with the groove.
From top to bottom, the utility model discloses well press from both sides the cover and hold the chamber and fix a position through lug and recess cooperation to further avoid pressing from both sides the cover and rotate around pressing from both sides the cover axis for holding the chamber, and more specifically inject first installation status to Nth installation status.
The further technical proposal is that the number of the convex blocks is at least one; the number of grooves is at least N.
From top to bottom, the utility model discloses can set up the lug and the recess of a plurality of preferred symmetries, the structure is more even, is favorable to improving the atress condition.
The further technical scheme is that a first through hole communicated with the clamping cavity is formed in the side face of the clamping sleeve and matched with the first jackscrew.
It is from top to bottom visible, the utility model discloses can also further prevent through the jackscrew that the compound piece of artificial diamond carbide from rotating around the main part axis for the centre gripping chamber to prevent that the compound piece of artificial diamond carbide from removing along the main part axis.
The further technical proposal is that the number of the first through holes is at least one; the number of the first jackscrews is at least one.
From top to bottom, the utility model discloses can set up the first through-hole and the cooperation of first jackscrew of a plurality of preferred symmetries for it is more even to tightly decide the structure, is favorable to improving the atress condition.
The further technical scheme is that the first through hole penetrates through the bump.
From top to bottom, first through-hole preferred setting forms reinforced structure around first through-hole on the lug, is favorable to avoiding the double-layered cover to damage around first through-hole.
The further technical scheme is that a second through hole communicated with the accommodating cavity is formed in the side face of the jacket and matched with the second jackscrew.
It is from top to bottom visible, the utility model discloses can also further prevent to press from both sides the cover for holding the chamber around pressing from both sides the cover axis rotation through the jackscrew to prevent to press from both sides the cover and remove along pressing from both sides the cover axis.
The further technical scheme is that the second through hole is formed in the position, at the farthest distance, of the outer side face of the positioning sleeve relative to the inner side face of the containing cavity in the direction perpendicular to the axis of the positioning sleeve.
From top to bottom, because hold the chamber axis and for the slope of position sleeve axis, form different distances between the medial surface of holding the chamber and the lateral surface of position sleeve, the second through-hole is preferred to be set up in furthest apart from the department, avoids the second through-hole to set up and leads to the position sleeve to damage easily on the weak wall.
In order to realize the second purpose of the utility model, the utility model provides a grinding and chamfering device of an artificial diamond hard alloy composite sheet, which comprises a rotating device, a clamp and a grinding tool, wherein the clamp is a special clamp in any one of the schemes; the rotating device is connected with the positioning sleeve and drives the positioning sleeve to rotate around the axis of the positioning sleeve; a grinding tool is disposed outside the clamping cavity, the grinding tool having a cutting edge that is inclined at a chamfer angle relative to the locating sleeve axis.
It is from top to bottom visible, the utility model provides an use grinding and chamfer device of above-mentioned anchor clamps can adopt current rotating device and the grinding apparatus to the plane terminal surface, carries out grinding and chamfer to N inclined plane respectively under N installation to it carries out grinding and chamfer to the compound piece of artificial diamond carbide that has the inclined plane of symmetry slope more conveniently more accurately.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the special fixture of the present invention.
Fig. 2 is a schematic structural diagram of the positioning sleeve in the embodiment of the special fixture of the present invention.
Fig. 3 is a top view of the positioning sleeve in the embodiment of the special fixture of the present invention.
Fig. 4 is a sectional view of section a-a in fig. 3.
Fig. 5 is a schematic structural diagram of a jacket in an embodiment of the special fixture of the present invention.
Fig. 6 is a top view of the clamping sleeve in the embodiment of the special clamp of the present invention.
Fig. 7 is a sectional view of section B-B in fig. 6.
Fig. 8 is a schematic structural diagram of an embodiment of the chamfering apparatus of the present invention.
Fig. 9 is a schematic structural view of the artificial diamond hard alloy composite sheet chamfered by the embodiment of the chamfering device of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Detailed Description
Embodiments of the Special jig
As shown in fig. 1, the special jig of the present embodiment is used to clamp the composite diamond-hard alloy sheet 100 for chamfering. The construction of the synthetic diamond cemented carbide compact 100 may be seen in fig. 9, which includes a cylindrical body 110, the body 110 having a body axis L1. The body 110 is composed of a cemented carbide substrate 111 and an artificial diamond layer 112, the artificial diamond layer 112 protrudes from the end of the body 110 to form a ridge 120 and first and second inclined surfaces 121 and 122 on both sides of the ridge 120, respectively, the ridge 120 is located on a plane passing through the body axis L1, and the first and second inclined surfaces 121 and 122 are symmetrical with respect to the plane. The first and second slopes 121 and 122 are respectively inclined at an inclination angle θ 1 with respect to a plane perpendicular to the body axis L1. The composite synthetic diamond carbide piece 100 requires a chamfer 123 cut at the corner of the first 121 and second 122 bevels.
The special fixture comprises a jacket 200 and a locating sleeve 300, wherein the jacket 200 has a jacket axis L2, and the locating sleeve 300 has a locating sleeve axis L3.
As shown in fig. 2 to 4, the positioning sleeve 300 includes a receiving cavity 310, the receiving cavity 310 has an opening and extends from the opening to the inside of the positioning sleeve 300, the receiving cavity 310 has a receiving cavity axis L4, and the receiving cavity axis L4 is inclined at an inclination angle θ 1 with respect to the positioning sleeve axis L3.
The outer side of the position sleeve 300 is parallel to the position sleeve axis L3, and the inner side of the accommodating cavity 310 is parallel to the accommodating cavity axis L4, so that the distance between the outer side of the position sleeve 300 and the inner side of the accommodating cavity 310 in the direction perpendicular to the position sleeve axis L3 is variable. And a second through hole 320 is formed at the farthest position of the outer side surface of the positioning sleeve 300 and the inner side surface of the accommodating cavity 310 in the direction perpendicular to the axis L3 of the positioning sleeve, the second through hole 320 is communicated with the accommodating cavity 310, and the second through hole 320 can be matched with a second jackscrew.
The inner side surface of the receiving chamber 310 is provided with a groove 311 extending inward from the opening of the receiving chamber 310. The number of the grooves 311 is 2, and 2 grooves 311 are provided symmetrically with respect to the accommodation chamber axis L4 on the inner side surface of the accommodation chamber 310.
The receiving cavity 310 also has a first bottom surface 312, the first bottom surface 312 being inclined at an inclination angle θ 1 with respect to a plane perpendicular to the collar axis L3.
As shown in fig. 5 to 7, the collet 200 includes a clamping cavity 210, the clamping cavity 210 having an opening and extending from the opening into the interior of the collet 200, the clamping cavity 210 having a clamping cavity axis, the clamping cavity axis coinciding with the collet axis L2.
The outer side of the clamping cavity 210 is provided with a projection 220, and the projection 220 can be matched with the groove 311. The number of the projections 220 is 2, and 2 projections 220 are symmetrically arranged on the outer side face of the jacket 200 with respect to the jacket axis L2.
The side of the jacket 200 is provided with a first through hole 230, the first through hole 230 communicates with the clamping cavity 210, and the first through hole 230 can be matched with a first jackscrew.
The clamping cavity 210 has a second bottom surface 211, the second bottom surface 211 being perpendicular to the collet axis L2. The second bottom surface 211 is provided with a through hole 212 penetrating the bottom of the clamping cavity 210.
The first and second jackscrews are not shown in the middle, and the first jackscrew may have a structure of a conventional jackscrew in the related art.
The tilt angle θ 1 may be 15 °, 30 °, or other suitable angle, and the tilt angle θ 1 is determined according to the specific application of the artificial diamond cemented carbide compact.
When the artificial diamond hard alloy composite sheet 100 is chamfered, the artificial diamond hard alloy composite sheet 100 is firstly placed into the clamping cavity 210, and the artificial diamond hard alloy composite sheet 100 and the clamping cavity 210 can adopt interference fit. At the moment, the axis L1 of the main body coincides with the axis of the clamping cavity, namely the axis L2 of the jacket, and then the artificial diamond hard alloy composite sheet 100 is fixed by the first jackscrew through the first through hole 230.
As shown in fig. 1, the jacket 200 can be installed in the accommodating chamber 310 in a first installation state, and the jacket 200 and the accommodating chamber 310 can adopt an interference fit. When the clamping sleeve is installed, the clamping sleeve axis L2 is coincident with the accommodating cavity axis L4, the lug 220 moves along the groove 311 until the bottom of the clamping sleeve 200 is contacted with the first bottom surface 312 of the accommodating cavity 310, and then the clamping sleeve 200 is fixed by the second jackscrew through the second through hole 320. Because the axis L4 of the accommodating cavity and the axis L3 of the positioning sleeve are inclined at an inclination angle θ 1, and the included angle between the axis L2 of the clamping sleeve and the axis L3 of the positioning sleeve is equal to the inclination angle θ 1, the first inclined plane 121 can be made to be perpendicular to the axis L3 of the positioning sleeve, and the edge angle of the first inclined plane 121 can be chamfered by using the existing chamfering device for a planar end face.
Due to the symmetrical structure of the collet 200, after rotating the collet 200 by 180 ° with respect to the collet axis L2, the collet 200 can still be engaged with the receiving cavity 310 in the same manner as in fig. 1, which is the second installation state. At this time, the second inclined surface 122 is perpendicular to the locating sleeve axis L3, and the edge angle of the second inclined surface 122 can be chamfered by using the existing chamfering device for planar end surfaces.
Embodiments of chamfering apparatus
As shown in fig. 8, the chamfering apparatus of the present embodiment includes the jig and the grinding tool of the above embodiment, and further includes a rotating apparatus (not shown in the drawings). The rotating device is fixedly connected with the positioning sleeve 300 through a positioning block 330 at the bottom of the positioning sleeve 300. A grinding tool is disposed outside of clamping cavity 210, the grinding tool having a cutting edge 400, cutting edge 400 being inclined at a chamfer angle θ 2 relative to locating sleeve axis L3. The chamfer angle θ 2 may be 30 °, 45 °, or 60 °.
When the chamfering device works, the rotating device drives the locating sleeve 300 to rotate around the locating sleeve axis L3, and the cutting edge 400 chamfers the first inclined surface 121 and the second inclined surface 122 of the artificial diamond hard alloy composite sheet 100 respectively, so that a chamfer 123 of the end surface of the artificial diamond hard alloy composite sheet 100 is obtained as shown in FIG. 9.
It is from top to bottom visible, the utility model discloses an anchor clamps include two parts of separable clamp cover and position sleeve to set up the chamber that holds of slope, can conveniently accurately carry out grinding and chamfer to artificial diamond carbide's inclined plane.
Finally, it should be emphasized that the above-described embodiments are merely preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present invention, for example, the composite sheet of synthetic diamond hard alloy may have three or more inclined planes, the jacket may have more than two installation states, and the like, should be included in the protection scope of the present invention.
Claims (10)
1. The special fixture for the artificial diamond hard alloy composite sheet comprises a cylindrical main body and an end face arranged at one end of the main body, wherein the main body is provided with a main body axis, the end face comprises N inclined planes, N is an integer greater than or equal to 2, and each inclined plane and a plane perpendicular to the main body axis form the same inclination angle; the method is characterized in that:
the special fixture comprises a jacket and a positioning sleeve, the positioning sleeve comprises an accommodating cavity, and the jacket comprises a clamping cavity; the jacket has a jacket axis, the locating sleeve has a locating sleeve axis, the receiving cavity has a receiving cavity axis, and the clamping cavity has a clamping cavity axis;
the receiving cavity axis is inclined at the inclined angle relative to the locating sleeve axis; the axis of the clamping cavity is coincident with the axis of the jacket; when the jacket is installed in the accommodating cavity, the axis of the jacket is coincident with the axis of the accommodating cavity; when the artificial diamond hard alloy composite sheet is clamped in the clamping cavity, the axis of the main body is superposed with the axis of the clamping cavity;
the jacket can be detachably installed in the accommodating cavity in a first installation state to an Nth installation state, and the jacket rotates around the axis of the jacket by a rotation angle which is larger than 0 degrees and smaller than or equal to 180 degrees in sequence from the first installation state to the Nth installation state, so that the N inclined planes are perpendicular to the axis of the positioning sleeve in sequence.
2. The special fixture for the artificial diamond hard alloy compact according to claim 1, characterized in that:
the accommodating cavity is provided with a first bottom surface, and the first bottom surface is inclined at the inclination angle relative to a plane perpendicular to the axis of the positioning sleeve;
the clamping cavity has a second bottom surface that is perpendicular to the jacket axis.
3. The special fixture for the artificial diamond hard alloy compact according to claim 2, characterized in that:
and a through hole penetrating through the bottom of the clamping cavity is formed in the second bottom surface.
4. The special fixture for the artificial diamond hard alloy compact according to any one of claims 1 to 3, characterized in that:
the outer side surface of the jacket is provided with a convex block, the inner side surface of the accommodating cavity is provided with a groove which extends inwards from the opening of the accommodating cavity, and the convex block is matched with the groove.
5. The special fixture for the artificial diamond hard alloy compact according to claim 4, wherein:
the number of the bumps is at least one; the number of the grooves is at least N.
6. The special fixture for the artificial diamond hard alloy compact according to any one of claims 1 to 3, characterized in that:
the side of the jacket is provided with a first through hole communicated with the clamping cavity, and the first through hole is matched with the first jackscrew.
7. The special fixture for the artificial diamond hard alloy compact according to claim 6, wherein:
the number of the first through holes is at least one; the number of the first jackscrews is at least one.
8. The special fixture for the artificial diamond hard alloy compact according to any one of claims 1 to 3, characterized in that:
the side of position sleeve is equipped with the intercommunication the second through-hole that holds the chamber, the second through-hole cooperates with the second jackscrew.
9. The special fixture for the artificial diamond hard alloy compact according to claim 8, wherein:
the second through hole is arranged at the farthest position of the outer side surface of the positioning sleeve relative to the inner side surface of the containing cavity in the direction perpendicular to the axis of the positioning sleeve.
10. The grinding and chamfering device of the artificial diamond hard alloy composite sheet comprises a rotating device, a clamp and a grinding tool, and is characterized in that:
the clamp is a special clamp for the artificial diamond hard alloy composite sheet of any one of claims 1 to 9;
the rotating device is connected with the positioning sleeve and drives the positioning sleeve to rotate around the axis of the positioning sleeve;
the abrasive article is disposed outside of the clamping cavity, the abrasive article having a cutting edge that is inclined at a chamfer angle relative to the locating sleeve axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920641176.3U CN209868174U (en) | 2019-05-05 | 2019-05-05 | Special fixture for artificial diamond hard alloy composite sheet and grinding and chamfering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920641176.3U CN209868174U (en) | 2019-05-05 | 2019-05-05 | Special fixture for artificial diamond hard alloy composite sheet and grinding and chamfering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209868174U true CN209868174U (en) | 2019-12-31 |
Family
ID=68964054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920641176.3U Withdrawn - After Issue CN209868174U (en) | 2019-05-05 | 2019-05-05 | Special fixture for artificial diamond hard alloy composite sheet and grinding and chamfering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209868174U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026848A (en) * | 2019-05-05 | 2019-07-19 | 广东钜鑫新材料科技股份有限公司 | The special fixture of diamond hard alloy complex sheet and grinding and facing attachment |
-
2019
- 2019-05-05 CN CN201920641176.3U patent/CN209868174U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026848A (en) * | 2019-05-05 | 2019-07-19 | 广东钜鑫新材料科技股份有限公司 | The special fixture of diamond hard alloy complex sheet and grinding and facing attachment |
| CN110026848B (en) * | 2019-05-05 | 2024-04-23 | 广东钜鑫新材料科技股份有限公司 | Special fixture for artificial diamond hard alloy composite sheet and grinding and chamfering device |
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Granted publication date: 20191231 Effective date of abandoning: 20240423 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20191231 Effective date of abandoning: 20240423 |
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