CN108515180B - Positioning jig for adjusting powder metallurgy die - Google Patents
Positioning jig for adjusting powder metallurgy die Download PDFInfo
- Publication number
- CN108515180B CN108515180B CN201810633308.8A CN201810633308A CN108515180B CN 108515180 B CN108515180 B CN 108515180B CN 201810633308 A CN201810633308 A CN 201810633308A CN 108515180 B CN108515180 B CN 108515180B
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- positioning
- jig
- adjusting
- core rod
- punching
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- 238000004663 powder metallurgy Methods 0.000 title claims abstract description 21
- 238000005516 engineering process Methods 0.000 claims abstract description 6
- 238000004080 punching Methods 0.000 claims description 51
- 238000000034 method Methods 0.000 claims description 40
- 210000004907 gland Anatomy 0.000 claims description 10
- 230000035515 penetration Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000003754 machining Methods 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/03—Press-moulding apparatus therefor
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Powder Metallurgy (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The utility model provides a positioning jig that powder metallurgy die adjusted usefulness, including the bed die, be equipped with the die cavity in the bed die, the die cavity inner wall is provided with the tooth, the die cavity endotheca is equipped with next towards, the outer wall and the die cavity inner wall meshing of next towards, and the level difference of the top surface of next towards and the top surface of bed die forms the gear die cavity, the rotation cover is equipped with down two towards in next towards, the level difference between the top surface of down two towards and the top surface of next towards forms the boss die cavity, wear to be equipped with respectively in the two towards down and extend to a center plug and at least one technology plug in the gear die cavity, still include positioning adjustment tool, positioning adjustment tool detachable extend into in the die cavity of die and be connected simultaneously with center plug and technology plug, positioning adjustment tool's unit angle of adjustment is omega, carry out fine motion adjustment to two towards down through positioning adjustment tool, use the keyway location when reducing many sub-assembly, the risk that the precision is insufficient is led to final cooperation because of the preparation precision difference.
Description
Technical Field
The invention relates to the field of powder metallurgy, in particular to a positioning jig for adjusting a powder metallurgy die.
Background
Powder metallurgy, an emerging part processing mode, has gradually penetrated into aspects of our production and life. The powder metallurgy product basically does not need or rarely needs to be machined, such as cutting, so that the material and the machining cost can be greatly saved, the production cost of the product is reduced, and the advantages are particularly obvious in the mass production process.
In the manufacturing process of certain products, higher matching requirements are met, higher matching precision between dies is needed, abrasion exists in the traditional die clearance and key slot positioning, so that the precision is reduced, and in addition, in the process of multi-punch assembly, the final assembly precision is reduced due to the clearance between the punches.
Disclosure of Invention
The invention aims to solve the existing problems and provide a positioning jig for adjusting a powder metallurgy die, which has a simple and reasonable structure, and the positioning jig has the function of micro-adjusting the lower two punches through the positioning adjusting jig so as to improve the manufacturing precision.
The utility model provides a positioning jig for powder metallurgy die regulation, including the bed die, be equipped with the negative die cavity in the bed die, the bed die intracavity is provided with the tooth, the bed die intracavity is equipped with next towards, the outer wall and the bed die intracavity of next towards mesh, and the level difference of the top surface of next towards and bed die forms the gear die cavity, the rotation cover is equipped with down two towards in next towards, the level difference between the top surface of down two towards and the top surface of next towards forms the boss die cavity, wear to be equipped with respectively in the down two towards and extend to a center plug and at least one technology plug in the gear die cavity, still include the positioning adjustment tool, the unit angle of adjustment of positioning adjustment tool is omega in the die cavity and be connected simultaneously with center plug and technology plug, the positioning adjustment tool extends to have the location regulating plate, a plurality of tool holes of arcly arranging on the location regulating plate, the contained angle between the adjacent two tool holes is alpha, the female die hole that a plurality of corresponding with a plurality of tool holes, the contained angle between the adjacent two die regulating holes is beta, and the angle between two adjacent die regulating holes is omega-beta = alpha, and the die hole is rotated through two and the two perpendicular to realize simultaneously through the positioning adjustment tool.
According to the invention, the two punches to be positioned are directly positioned, the jig is not required to be arranged on a die after positioning, the risk of insufficient final matching precision caused by manufacturing precision difference in the process of using key grooves for positioning in the process of assembling multiple punches is reduced, and the risk of causing gap in key grooves after long-time use of key grooves for positioning and causing matching precision difference caused by abrasion of the key grooves is reduced.
After the next punch, the next second punch and the central mandrel and the process mandrel are assembled to the female die, the die is subjected to primary powder metallurgy, whether an accuracy error exists or not is obtained by measuring the workpiece after the workpiece is obtained, when the accuracy error is larger than a machining requirement (the assumed value of the accuracy error is 0.22 DEG, the workpiece accuracy requirement included angle error is smaller than 0.1 DEG, the unit adjusting angle omega of the positioning adjusting jig is 0.1 DEG, the assumed value of the included angle alpha is 5 DEG, the assumed value of the included angle beta is 5.1 DEG), then the positioning adjusting jig is arranged on the central mandrel and the process mandrel, the positioning needle is vertically inserted into one of the corresponding jig holes and the female die adjusting hole at the same time, the jig hole and the female die adjusting hole are taken as reference holes, the positioning needle is withdrawn when the accuracy error is the assumed value, the positioning needle is moved to the left side or the right side of the reference hole (the positioning needle is moved according to the error direction), at the moment, the positioning needle is required to be rotated to be inserted into the corresponding female die hole, the positioning jig can be inserted into the corresponding female die hole, the positioning needle can be locked by 2 DEG, and the process mandrel can be locked by the locking position 2 degrees after the two corresponding to the two corresponding die holes are required to be locked, and the process error is simultaneously, and the process is locked by the process position is required to be locked by the die 2.
The angle values Ω, α, and β are not unique fixed values, and can be arbitrarily set according to the size and machining accuracy of the product.
The positioning adjustment jig is internally provided with a first plug hole and a second plug hole which are suitable for plug-in fit of the central core rod and the process core rod, and is in positioning connection with the central core rod and the process core rod through the first plug hole and the second plug hole, so that the positioning adjustment jig can be quickly installed on the central core rod and the process core rod, and the positioning adjustment jig is simple in structure and convenient to detach and move.
The lower part of the female die is provided with a next punching base plate, a first base plate through hole which is suitable for the penetration of the next two punches is formed in the next punching base plate, a punch positioning convex part extends at the bottom of the next punch, a next punching cover for fixing the next punch is arranged on the punch positioning convex part, the next punching cover is fixedly connected with the next punching base plate through a screw, and the structure is simple.
The lower two punching base plates are arranged below the next punching base plate, second base plate through holes which are suitable for the center core rod and the process core rod to penetrate are formed in the lower two punching base plates, two punching positioning convex parts extend from the bottoms of the lower two punching base plates, lower two punching covers for fixing the lower two punching are arranged on the two punching positioning convex parts, the lower two punching covers are fixedly connected with the lower two punching base plates through screws, and the lower two punching base plates are simple in structure and are fixedly installed.
The lower part of the lower two punching backing plates is provided with a core rod gland, the bottom of the process core rod extends to form a core rod convex part which is in limit fit with the core rod gland, the structure is simple, the process core rod is installed and fixed, and meanwhile, the process core rod and the center core rod are convenient to rotate during adjustment.
The locking device is arranged below the mandrel gland and locks and fixes the central mandrel and the process mandrel, so that after the mandrel gland is used for a long time, the lower punch can be prevented from rotating, and the precision error is larger than the machining requirement.
And the alpha is larger than the beta, so that omega=alpha-beta, and when the jig hole and the female die adjusting hole in one direction are simultaneously and vertically inserted into the positioning needle, the positioning adjusting jig is rotationally adjusted in the other direction.
And the alpha is smaller than the beta, so that omega=beta-alpha, and when the jig hole and the female die adjusting hole in one direction are simultaneously and vertically inserted into the positioning needle, the positioning adjusting jig is rotationally adjusted in the same direction.
The first plug hole and the second plug hole are in clearance fit with the central core rod and the process core rod, so that the clearance between the plug hole and the core rod is infinitely close to 0, the adjusting precision of the positioning adjusting jig can be improved, and the adjusting error of the positioning adjusting jig caused by external factors is avoided.
The beneficial effects of the invention are as follows:
The positioning jig for adjusting the powder metallurgy die is simple in structure and convenient to adjust, two punches to be positioned are directly positioned between the two punches in the structure, and the jig does not need to be arranged on the die after positioning, so that micro-motion adjustment can be realized on the punches, the risk of insufficient final matching precision caused by manufacturing precision difference in multi-punch assembly is reduced, and the risk of matching precision difference caused by gap in key slot abrasion after long-time use of key slot positioning is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an assembly positioning adjustment jig of the present invention.
Fig. 2 is a schematic diagram of the female die structure of the present invention.
FIG. 3 is a schematic view of a section B-B of the present invention.
Fig. 4 is a schematic structural diagram of the dismounting positioning adjustment jig of the present invention.
Fig. 5 is a schematic diagram showing the matching of the jig hole and the female die adjusting hole.
Fig. 6 is a second schematic diagram of the fit of the jig hole and the female die adjusting hole of the present invention.
Fig. 7 is a third schematic diagram of the fit of the jig hole and the female die adjusting hole of the present invention.
Fig. 8 is a schematic diagram showing the matching of the jig hole and the female die adjusting hole.
Detailed Description
The invention will be further described with reference to the drawings and examples.
As shown in fig. 1 to 4, a positioning jig for adjusting a powder metallurgy die comprises a female die 1, a female die cavity 2 is arranged in the female die 1, teeth 3 are arranged on the inner wall of the female die cavity 2, a next punch 4 is sleeved in the female die cavity 2, the outer wall of the next punch 4 is meshed with the inner wall of the female die cavity 2, the step difference between the top surface of the next punch 4 and the top surface of the female die 1 forms a gear die cavity 5, a lower two punch 6 is sleeved in the next punch 4 in a rotating manner, a boss die cavity 7 is formed by the step difference between the top surface of the lower two punch 6 and the top surface of the next punch 4, a central mandrel 8 and at least one process mandrel 9 which extend into the gear die cavity 5 are respectively arranged in the lower two punches 6 in a penetrating manner, the positioning adjusting jig 10 is detachably extended into the female die cavity 2 and is simultaneously connected with the central mandrel 8 and the process mandrel 9, the unit adjusting angle of the positioning adjusting jig 10 is omega, the positioning adjusting jig 10 is extended with a positioning adjusting plate 11, a plurality of jig holes 12 are formed in an arc shape on the positioning adjusting plate 11, an included angle between two adjacent jig holes 12, an alpha and a plurality of holes 13 are correspondingly arranged on the female die cavity 12, and the two adjacent jig holes are correspondingly arranged in the die cavity die 1, and the two holes are correspondingly arranged in the direction of the die cavity 12 are correspondingly perpendicular to each other, and the two holes are correspondingly adjusted by 13, and the angle between the two holes are correspondingly adjusted by 13, and 13.
According to the invention, the two punches to be positioned are directly positioned, the jig is not required to be arranged on a die after positioning, the risk of insufficient final matching precision caused by manufacturing precision difference in the process of using key grooves for positioning in the process of assembling multiple punches is reduced, and the risk of causing gap in key grooves after long-time use of key grooves for positioning and causing matching precision difference caused by abrasion of the key grooves is reduced.
After the next punch 4, the next punch 6, the center mandrel 8 and the process mandrel 9 are assembled to the female die 1, the die is subjected to primary powder metallurgy, whether an accuracy error exists is obtained by measuring the workpiece after the workpiece is obtained, when the accuracy error is larger than a machining requirement (when the assumed value of the accuracy error is 0.22 degrees and the workpiece accuracy requirement included angle error is smaller than 0.1 degrees, the unit adjusting angle omega of the positioning adjusting jig 10 is 0.1 degrees, the assumed value of the included angle alpha is 5 degrees and the assumed value of the included angle beta is 5.1 degrees), then the positioning adjusting jig 10 is installed on the center mandrel 8 and the process mandrel 9, the positioning needle 14 is vertically inserted into one of the corresponding jig holes 12 and the female die adjusting hole 13 at the same time, the jig hole 12 and the female die adjusting hole 13 are used as reference holes, the positioning needle 14 is extracted when the accuracy error is smaller than the assumed value, the second jig hole 12 arranged at the left side or the right side of the reference hole (when the positioning needle is moved according to the error direction), and the two positioning needles are vertically inserted into the positioning needle 14 because the included angle of the jig hole 12 and the female die hole 13 is different, the positioning needle is required to be rotated, and the two positioning needles are required to be locked by the die 10 and the die position 2, and the die is locked by the die 10 and the die 9 can be locked by the locking device, and the die 9 can be locked by the corresponding to the position of the die 8 and the die 9, and the process mandrel is locked by the 2, and the dead-down position is locked by the position and the die 9.
In addition, the invention is not limited to the two punch structures, and the invention also belongs to the protection scope of the patent when a plurality of punches are arranged in the female die.
The positioning adjustment jig 10 is internally provided with a first plug hole 1001 and a second plug hole 1002 which are suitable for plug-in matching of the central core rod 8 and the process core rod 9, and the positioning adjustment jig 10 is in positioning connection with the central core rod 8 and the process core rod 9 through the first plug hole 1001 and the second plug hole 1002, so that the positioning adjustment jig 10 can be quickly installed on the central core rod 8 and the process core rod 9, and the positioning adjustment jig is simple in structure and convenient to detach and remove.
The lower part of the female die 1 is provided with a next punching base plate 15, a first base plate through hole 1501 suitable for the penetration of the next punch 6 is arranged in the next punching base plate 15, a punch positioning convex part 401 extends at the bottom of the next punch 4, a next punch cover 16 for fixing the next punch 4 is arranged on the punch positioning convex part 401, the next punch cover 16 is fixedly connected with the next punching base plate 15 through a screw 17, and the structure is simple, and the next punch 4 is fixedly installed.
The lower two punching pad plates 18 are arranged below the lower two punching pad plates 15, a second pad plate through hole 1801 which is suitable for the center core rod 8 and the process core rod 9 to penetrate is formed in the lower two punching pad plates 18, a two-punching positioning convex part 601 extends at the bottom of the lower two punching 6, a lower two-punching cover 19 for fixing the lower two punching 6 is arranged on the two-punching positioning convex part 601, the lower two-punching cover 19 is fixedly connected with the lower two-punching pad plates 18 through a screw 17, and the lower two-punching pad is simple in structure and is fixedly installed on the lower two-punching 6.
The lower part of the lower two punching pads 18 is provided with a core rod gland 20, the bottom of the process core rod 9 is extended with a core rod convex part 901 in limit fit with the core rod gland 20, the structure is simple, the process core rod 9 is installed and fixed, and the process core rod 9 and the center core rod 8 are convenient to rotate during adjustment.
The locking device 21 is arranged below the core rod gland 20, the locking device 21 locks and fixes the central core rod 8 and the process core rod 9, and after adjustment, the lower punch 6 can be prevented from rotating after long-term use, so that the precision error is greater than the processing requirement.
As shown in fig. 5 to 6, α > β, so Ω=α - β, when the jig hole 12 and the female die adjusting hole 13 in one direction are simultaneously inserted vertically into the positioning needle 14, the positioning adjusting jig 10 is adjusted to rotate in the other direction.
As shown in fig. 7 to 8, α < β, so Ω=β - α, when the jig hole 12 and the female die adjusting hole 13 in one direction are simultaneously inserted vertically into the positioning needle 14, the positioning adjusting jig 10 is adjusted to rotate in the same direction.
The first plug hole 1001 and the second plug hole 1002 are in clearance fit with the central core rod 8 and the process core rod 9, so that the clearance between the plug holes and the core rod is infinitely close to 0, the adjusting precision of the positioning adjusting jig 10 can be improved, and the adjusting error of the positioning adjusting jig 10 caused by external factors is avoided.
It should be noted that while the present invention has been illustrated in the drawings and described in connection with the preferred embodiments thereof, it is to be understood that the invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but are to be construed as providing a full breadth of the disclosure. The above-described features are further combined with each other to form various embodiments not listed above, and are considered to be the scope of the present invention described in the specification; further, modifications and variations of the present invention may be apparent to those skilled in the art in light of the foregoing teachings, and all such modifications and variations are intended to be included within the scope of this invention as defined in the appended claims.
Claims (8)
1. The utility model provides a positioning jig for powder metallurgy die adjustment, including female die (1), be equipped with female die cavity (2) in female die (1), female die cavity (2) inner wall is provided with tooth (3), female die cavity (2) endotheca is equipped with next punch (4), the outer wall and female die cavity (2) inner wall meshing of next punch (4), and the level difference of the top surface of next punch (4) and the top surface of female die (1) forms gear die cavity (5), the rotatory cover of next punch (4) is equipped with down two and dashes (6), the level difference between the top surface of down two dashes (6) and the top surface of next punch (4) forms boss die cavity (7), wear to be equipped with respectively in two dashes down in (6) and to at least one technology plug (9) in gear die cavity (5), characterized by, positioning adjustment jig (10) detachable extend into female die cavity (2) and are connected simultaneously with center plug (8) and technology plug (9), positioning adjustment jig's (10) unit angle (10) are two adjacent locating plate (11) and are arranged for adjusting hole (11) between the angle, two locating plate (11) are arranged, the female die (1) is provided with a plurality of female die adjusting holes (13) corresponding to the plurality of jig holes (12), the included angle between two adjacent female die adjusting holes (13) is beta, and the I is omega I=alpha-beta, and the positioning adjusting of the lower punch (6) is realized by rotating the positioning adjusting jig (10) and vertically inserting the positioning needle (14) into the corresponding jig holes (12) and female die adjusting holes (13); the positioning adjustment jig (10) is internally provided with a first plug hole (1001) and a second plug hole (1002) which are suitable for plug-in matching of the central core rod (8) and the process core rod (9), and the positioning adjustment jig (10) is in positioning connection with the central core rod (8) and the process core rod (9) through the first plug hole (1001) and the second plug hole (1002).
2. The positioning jig for adjusting a powder metallurgy die according to claim 1, wherein: the lower part of the female die (1) is provided with a next punching base plate (15), a first base plate through hole (1501) which is suitable for the penetration of a next punch (6) is formed in the next punching base plate (15), a punching positioning convex part (401) extends at the bottom of the next punch (4), a next punching cover (16) for fixing the next punch (4) is arranged on the one punching positioning convex part (401), and the next punching cover (16) is fixedly connected with the next punching base plate (15) through a screw (17).
3. The positioning jig for adjusting a powder metallurgy die according to claim 2, wherein: the lower part of the next punching base plate (15) is provided with a second punching base plate (18), a second base plate through hole (1801) which is suitable for the penetration of the central core rod (8) and the process core rod (9) is formed in the second punching base plate (18), a second punching positioning convex part (601) extends at the bottom of the second punching base plate (6), a second punching cover (19) for fixing the second punching base plate (6) is arranged on the second punching positioning convex part (601), and the second punching cover (19) is fixedly connected with the second punching base plate (18) through a screw (17).
4. A positioning jig for adjusting a powder metallurgy die according to claim 3, wherein: a core rod gland (20) is arranged below the lower two punching backing plates (18), and a core rod convex part (901) in limit fit with the core rod gland (20) extends from the bottom of the process core rod (9).
5. The positioning jig for adjusting a powder metallurgy die according to claim 4, wherein: a locking device (21) is arranged below the core rod gland (20), and the locking device (21) locks and fixes the central core rod (8) and the process core rod (9).
6. The positioning jig for adjusting a powder metallurgy die according to claim 1, wherein: when alpha > beta, therefore omega = alpha-beta, when the jig hole (12) and the female die adjusting hole (13) in one direction are simultaneously and vertically inserted into the positioning needle (14), the positioning adjusting jig (10) is rotationally adjusted in the other direction.
7. The positioning jig for adjusting a powder metallurgy die according to claim 1, wherein: when alpha < beta, therefore omega = beta-alpha, and when the jig hole (12) and the female die adjusting hole (13) in one direction are simultaneously and vertically inserted into the positioning needle (14), the positioning adjusting jig (10) is rotationally adjusted in the same direction.
8. The positioning jig for adjusting a powder metallurgy die according to claim 1, wherein: the first plug hole (1001) and the second plug hole (1002) are in clearance fit with the central core rod (8) and the process core rod (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810633308.8A CN108515180B (en) | 2018-06-19 | 2018-06-19 | Positioning jig for adjusting powder metallurgy die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810633308.8A CN108515180B (en) | 2018-06-19 | 2018-06-19 | Positioning jig for adjusting powder metallurgy die |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108515180A CN108515180A (en) | 2018-09-11 |
| CN108515180B true CN108515180B (en) | 2024-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810633308.8A Active CN108515180B (en) | 2018-06-19 | 2018-06-19 | Positioning jig for adjusting powder metallurgy die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108515180B (en) |
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| US4456445A (en) * | 1982-02-23 | 1984-06-26 | Ptx-Pentronix, Inc. | Mounting structure for die, punch and core rod assembly for compacting powder material |
| JPH08257799A (en) * | 1995-03-24 | 1996-10-08 | Fuji Elelctrochem Co Ltd | Powder compacting die and assembling method therefor |
| CN201931083U (en) * | 2011-03-22 | 2011-08-17 | 标旗磁电产品(佛冈)有限公司 | Powder metallurgy dry pressing molding mould capable of compensating fit tolerance automatically |
| CN202239623U (en) * | 2011-09-30 | 2012-05-30 | 重庆成俊工贸有限公司 | Punch rapid adjustment device of powder metallurgy press |
| CN103878367A (en) * | 2014-02-21 | 2014-06-25 | 厦门金鹭特种合金有限公司 | Rapid-to-replace high-precision-positioning locking device for one-out multiple-die-pressing dies and application method of rapid-to-replace high-precision-positioning locking device |
| CN105290397A (en) * | 2014-07-07 | 2016-02-03 | 自贡硬质合金有限责任公司 | Upper punch assembling clamp and assembling method thereof |
| CN205834227U (en) * | 2016-06-28 | 2016-12-28 | 马鞍山市华东粉末冶金厂 | A kind of double-direction relief powder metallurgy of valve seat mould |
| CN206622610U (en) * | 2017-03-30 | 2017-11-10 | 马鞍山市华东粉末冶金厂 | A kind of annular saw claw driving pulley powder metallurgy die |
| CN107442772A (en) * | 2017-09-18 | 2017-12-08 | 常州中车铁马科技实业有限公司 | Press machine and train brake plate powder metallurgy pressing forming method |
| CN208628427U (en) * | 2018-06-19 | 2019-03-22 | 广东盈峰材料技术股份有限公司 | The localization tool of novel powder metallurgy die adjusting |
-
2018
- 2018-06-19 CN CN201810633308.8A patent/CN108515180B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4456445A (en) * | 1982-02-23 | 1984-06-26 | Ptx-Pentronix, Inc. | Mounting structure for die, punch and core rod assembly for compacting powder material |
| JPH08257799A (en) * | 1995-03-24 | 1996-10-08 | Fuji Elelctrochem Co Ltd | Powder compacting die and assembling method therefor |
| CN201931083U (en) * | 2011-03-22 | 2011-08-17 | 标旗磁电产品(佛冈)有限公司 | Powder metallurgy dry pressing molding mould capable of compensating fit tolerance automatically |
| CN202239623U (en) * | 2011-09-30 | 2012-05-30 | 重庆成俊工贸有限公司 | Punch rapid adjustment device of powder metallurgy press |
| CN103878367A (en) * | 2014-02-21 | 2014-06-25 | 厦门金鹭特种合金有限公司 | Rapid-to-replace high-precision-positioning locking device for one-out multiple-die-pressing dies and application method of rapid-to-replace high-precision-positioning locking device |
| CN105290397A (en) * | 2014-07-07 | 2016-02-03 | 自贡硬质合金有限责任公司 | Upper punch assembling clamp and assembling method thereof |
| CN205834227U (en) * | 2016-06-28 | 2016-12-28 | 马鞍山市华东粉末冶金厂 | A kind of double-direction relief powder metallurgy of valve seat mould |
| CN206622610U (en) * | 2017-03-30 | 2017-11-10 | 马鞍山市华东粉末冶金厂 | A kind of annular saw claw driving pulley powder metallurgy die |
| CN107442772A (en) * | 2017-09-18 | 2017-12-08 | 常州中车铁马科技实业有限公司 | Press machine and train brake plate powder metallurgy pressing forming method |
| CN208628427U (en) * | 2018-06-19 | 2019-03-22 | 广东盈峰材料技术股份有限公司 | The localization tool of novel powder metallurgy die adjusting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108515180A (en) | 2018-09-11 |
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