CN1628961A - Top pressure pressurizing mechanism for powder-forming press - Google Patents
Top pressure pressurizing mechanism for powder-forming press Download PDFInfo
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- CN1628961A CN1628961A CNA2003101094883A CN200310109488A CN1628961A CN 1628961 A CN1628961 A CN 1628961A CN A2003101094883 A CNA2003101094883 A CN A2003101094883A CN 200310109488 A CN200310109488 A CN 200310109488A CN 1628961 A CN1628961 A CN 1628961A
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- roof pressure
- cam
- compression bar
- pressing mechanism
- lower link
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
- B30B1/26—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by cams, eccentrics, or cranks
- B30B1/261—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by cams, eccentrics, or cranks by cams
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
Abstract
This invention relates to a top pressing structure of powder shaping machine, which comprises cam-pressing structure, limit plate, down pull bar, down pull plate, float down pull plate, top pressing connection bar, floating down model plate, top pressing bar and top pressing position adjusting structure, which is used to adjust the pressure to the concave model. The top pressing structure can not only limit the concave upper press and also can make one or more down rush heads press upper and at the same time adjust the pressing quantity and time through the top pressing position adjust structure.
Description
Technical field
The present invention relates to a kind of working pressure drift and mould and make granular or dusty material be shaped to the forming press of stereo article, relate in particular to the roof pressure pressing mechanism of powder shaping press.
Background technology
Traditional powder shaping press and China's patent 86108609.0 and 92231579.5 disclosed powder shaping press have all only solved the control problem of adjusting and the downward compacting of die and the pause of two-way compacting amount, and China's patent 99113701.9 disclosed powder shaping press pressing mechanisms have then only solved the problem that die is upwards suppressed and controlled.Have curved surface and have the comparatively goods of complicated shape such as different steps for compacting, above-mentioned press all can not directly solve, and needs the mould bases of mounting structure complexity just can finish.Baroque mould bases manufacturing cost is very high, and can not reuse, thereby the pressing cost of stampings is increased substantially, and causes raw-material a large amount of waste.The part with complicated structure that has even adopted mould bases, can not reach satisfied effect.To this, China's patent 99226615.1 provides a kind of pressing mechanism of powder shaping press again, in this pressing mechanism, be provided with cam pressue device and add pressure regulator, powder shaping press can be suppressed have curved surface and have the comparatively pulverulent product of complicated shape such as different steps.
Summary of the invention
Purpose of the present invention is to provide a kind of roof pressure pressing mechanism of powder shaping press of new structure, powder shaping press can be suppressed have curved surface and have the comparatively pulverulent product of complicated shape such as different steps.
To achieve these goals, the technical measures that the present invention taked are: a kind of roof pressure pressing mechanism of powder shaping press, comprise the cam pressing mechanism, limiting plate, lower link, lower pulling plate, lower pulling plate floats, connecting rod and unsteady lower bolster on the roof pressure, the cam pressing mechanism links to each other with the main shaft fixed conveyor, comprise at least one roof pressure cam, extended a cam outrigger shaft in the roof pressure cam outside, also comprise compression bar and roof pressure position adjusting mechanism, described lower link is the hollow lower link, compression bar is located in hollow lower link and the limiting plate, the lower pulling plate direction of floating is stretched in its upper end, its bottom is connected with roof pressure piece or roller, and this roof pressure piece or roller are suspended at the cam top of cam pressing mechanism; The roof pressure position adjusting mechanism is movably connected on compression bar and the roof pressure between the connecting rod, is used to regulate the size of the pressure that is sent to die.
Described roof pressure position adjusting mechanism comprises adjusting nut, and the lower end of connecting rod is respectively equipped with internal and external threads or suitable external screw thread on the upper end of described compression bar and the roof pressure, and adjusting nut is screwed in movable adjusting between the connecting rod on compression bar and the roof pressure.
Described roof pressure position adjusting mechanism comprises pneumatic/hydraulic cylinder and piston adjusting nut, fixedly connected with described compression bar in the lower end of pneumatic/hydraulic cylinder, the upper end is fixedly linked by connecting rod on its piston and the described roof pressure, the middle part of connecting rod is provided with external screw thread on the described roof pressure, and the piston adjusting nut is screwed in the middle part of connecting rod on the roof pressure.
Also comprise the pressurization transmission mechanism, this pressurization transmission mechanism is installed on the cam outrigger shaft of cam pressing mechanism, be arranged between roof pressure cam and the compression bar, comprise a reverse-hook shape framework, this reverse-hook shape framework is installed in the cam side of cam pressing mechanism, it colludes frame and is being folded in above the cam between cam and the compression bar, collude a roller is installed in the frame, the length of this roller and the width of cam is adaptive and can roll under the roof pressure of cam or move, the long side surface of framework is provided with a center chute, be provided with roller or sliding spirit in the chute of center, hook-shaped framework is erected on the cam outrigger shaft by this roller or sliding spirit.
Also comprise a latch or screw, described compression bar and hollow lower link are provided with corresponding pin-and-hole or screw, and compression bar and hollow lower link are fixedly linked by this latch or screw, form interlock.
The workbench of described unsteady lower pulling plate, float lower bolster and installation die is fixedly linked by many little guide pillars, makes compression bar and hollow lower link form interlock.
Also comprise spring, spring housing is contained between the roof pressure piece of the lower surface that is arranged on the hollow lower link on the compression bar and compression bar lower end, is used to make the roof pressure piece to keep in touch with the pressurization transmission mechanism all the time.
Also comprise the charging nut, the lower end of described hollow lower link is provided with external screw thread, and the charging nut is spun on the external screw thread of hollow lower link lower end.
Described cam pressing mechanism comprises a plurality of cams, correspondingly be provided with a plurality of pressurization transmission mechanisms and a plurality of compression bar, a plurality of pressurization transmission mechanism correspondences are installed in the side of a plurality of cams, and a plurality of compression bars are arranged side by side, and the extension by hollow lower link lower end between the compression bar interrelates.
The roof pressure pressing mechanism of powder shaping press of the present invention is owing to adopted above technical scheme, when its upper punch is suppressed downwards, can not only make upwards compacting of die, and can make the upwards compacting of one or more low punches, can regulate compacting amount and press time by roof pressure position adjusting mechanism wherein simultaneously, can adapt to the pulverulent product that compacting has curved surface or has the comparatively complicated shape of different steps simultaneously.
Description of drawings
Fig. 1 is the primary structure schematic diagram of the roof pressure pressing mechanism of powder shaping press of the present invention;
Fig. 2 is the structural representation of first embodiment of the invention;
Fig. 3 is the structural representation of second embodiment of the invention;
Fig. 4 is that connected mode and the adjusting nut that compression bar among the present invention and hollow lower link form interlock is the structural representation that connecting rod is established internal thread on single head adjusting nut, the roof pressure;
Fig. 5 is the structural representation that the compression bar among the present invention is established internal thread;
Fig. 6 is the structural representation of third embodiment of the invention.
The specific embodiment
See also Fig. 1, cooperation is referring to Fig. 2, Fig. 3, the roof pressure pressing mechanism of powder shaping press of the present invention, be installed on the fuselage 1 of powder shaping press, link to each other with main shaft 2 transmissions of powder shaping press, comprise connecting rod 9, float lower bolster 10, pressurization transmission mechanism 11 and roof pressure position adjusting mechanism 12 on cam pressing mechanism 3, limiting plate 4, hollow lower link 5, lower pulling plate 6, float lower pulling plate 7, compression bar 8, the roof pressure, associated parts also have upper punch 13, hollow low punch 14, die 15, the unsteady low punch 16 of hollow and roof pressure core bar 17.Cam pressing mechanism 3 comprise crank arm 31, crank 32, crank outrigger shaft 33 and at least one cam 34, crank arm, crank and the crank outrigger shaft fuses in proper order and by cranking arm and main shaft 2 is fixedly linked, cam 34 is installed in the outer end of crank outrigger shaft 33, extended a cam outrigger shaft 341 in cam 34 outsides, this cam outrigger shaft and main shaft 2 are positioned at same axle center.Limiting plate 4 is arranged on the middle part of fuselage 1, and its two ends are fixed on the fuselage.Its effect is in to charging control, the supporting force of regulating spring.Be provided with a mesopore on limiting plate 4, hollow lower link 5 passes this mesopore and stretches out to two ends.The top that lower pulling plate 6 is arranged on limiting plate 4 is sleeved on the hollow lower link 5.The top that the lower pulling plate 7 that floats is arranged on lower pulling plate 6 is sleeved on the suitable for reading of hollow lower link 5, and passes the lower bolster 10 that floats by many little guide pillars 18 and be connected as a single entity with the workbench 19 that die is installed.Compression bar 8 is located in the hollow lower link 5, and stretch out above the lower pulling plate 10 that floats its upper end, and its bottom is connected with roof pressure piece 81 or roller 82, and this roof pressure piece or roller are suspended at the top of the cam 34 of cam pressing mechanism 3.It is alternate corresponding with compression bar 8 that connecting rod 9 is arranged on the top of compression bar 8 on the roof pressure.The lower bolster 10 that floats is connected the top of connecting rod 9 on the roof pressure and passes fuselage 1 by many little guide pillars 20 and is fixedly linked with the unsteady low punch 16 of hollow.Pressurization transmission mechanism 11 is arranged between cam pressing mechanism 3 and the compression bar 8, is installed on the cam outrigger shaft 341 of cam pressing mechanism, is used for the pressure that the cam pressing mechanism is produced is passed to compression bar 8.Roof pressure position adjusting mechanism 12 is movably connected on compression bar 8 and the roof pressure between the connecting rod 9, is used to regulate the size of the pressure that is sent to die.Upper punch 13 is arranged on the top of pressing mechanism.Hollow low punch 14 is arranged on upper punch 13 belows.Die 15 is arranged between the low punch, is installed on the die workbench 19 that is fixedly linked with fuselage.The unsteady low punch 16 of hollow is sleeved on outside the hollow low punch 14, and its lower end and unsteady lower bolster 10 are fixedly linked by many little guide pillars 20, and its upper end is stretched within the die 15.Roof pressure core bar 17 is fixedly connected on the top of the lower bolster 10 that floats, and up passes hollow low punch 14 and stretches within the die 15.
Please continue referring to Fig. 1, pressurization transmission mechanism 11 among the present invention comprises a reverse-hook shape framework 111, this reverse-hook shape framework 111 is installed in cam 34 sides of cam pressing mechanism 3, it colludes frame and is being folded in above the cam between cam 34 and the compression bar 8, collude a roller 112 is installed in the frame, also can replace roller with the briquetting that slides, the length of this roller or briquetting is with the width of cam is adaptive and can roll under the roof pressure of cam or mobile.The long side surface of framework is provided with a center chute 113, is provided with roller or sliding spirit 114 in the chute of center, and hook-shaped framework is erected on the cam outrigger shaft 341 by this roller or sliding spirit.
See also Fig. 2, Fig. 2 is the structural representation of first embodiment of the invention.In the present embodiment, roof pressure position adjusting mechanism 12 among the present invention is a double end adjusting nut 121, upper end at compression bar 8 is provided with external screw thread, and the lower end of connecting rod 9 is provided with external screw thread on roof pressure, and double end adjusting nut 121 is screwed in movable adjusting between the connecting rod on compression bar and the roof pressure.Also can adopt structure shown in Figure 4, establish external screw thread in the upper end of compression bar 8, internal thread is established in the lower end of connecting rod 9 on roof pressure, regulates with adjusting nut 121 '.Can also adopt structure shown in Figure 5, establish internal thread in the upper end of compression bar 8, external screw thread is established in the lower end of connecting rod 9 on roof pressure, with adjusting nut 121 " regulate.
See also Fig. 3, Fig. 3 is the structural representation of second embodiment of the invention.In the present embodiment, roof pressure position adjusting mechanism 12 among the present invention comprises pneumatic/hydraulic cylinder 122 and piston adjusting nut 123, fixedly connected with compression bar 8 in the lower end of pneumatic/hydraulic cylinder 122, the upper end is fixedly linked by connecting rod 9 on its piston and the roof pressure, the middle part of connecting rod 9 is provided with external screw thread on the roof pressure, piston adjusting nut 123 is screwed in the centre of connecting rod 9 on the roof pressure, can regulate the position of lower bolster 10 in pressing process of floating.
Referring to Fig. 6, Fig. 6 is the structural representation of third embodiment of the invention.Cam pressing mechanism 3 of the present invention can be provided with a plurality of cams 34, and a plurality of pressurization transmission mechanisms 11 and a plurality of compression bar 8 be set correspondingly, a plurality of cams are installed on the crank outrigger shaft of lengthening, a plurality of pressurization transmission mechanism correspondences are installed in the side of a plurality of cams, a plurality of compression bars are arranged side by side, and the extension 51 by hollow lower link 5 lower ends between the compression bar interrelates.Fig. 4 only shows the situation that two cams are set, and two cams comprise 34 and 34 ', correspondingly is provided with two pressurization transmission mechanisms 11 (not shown) and 8,8 ', two roof pressure pieces 81,81 ' of two compression bars.This design can be provided with a plurality of dies and corresponding parts in a powder shaping press, to suppress a plurality of goods of different curve shape simultaneously.
See also Fig. 4, the present invention can also adopt two kinds of methods to make compression bar 8 and hollow lower link 5 form interlock.Wherein a kind of method is that the relevant position on compression bar 8 and hollow lower link 5 is provided with pin-and- hole 81,51 or screw 82,52, by latch (not shown) or screw 23 compression bar and hollow lower link is fixedly linked, and makes it form interlock.Latch or screw can according to circumstances insert or pull down, and make compression bar 8 be connected or not connect with hollow lower link 5.When compression bar 8 was not connected with hollow lower link 8, compression bar 8 can freely move up and down in hollow lower link 5, and the roof pressure position adjusting mechanism 12 that drives thus on it moves up and down; When compression bar 8 was fixedlyed connected with hollow lower link 5 usefulness latches or screw, then compression bar 8 can drive hollow lower link 5 and moves up and down, and die 15 is also moved up and down.The time that roof pressure position adjusting mechanism 12 and die 15 move upward, amplitude can be simultaneously controlled.Another kind method is that the lower pulling plate 7 that floats, the workbench 20 that floats lower bolster 10 and die is installed are fixedly linked by many little guide pillars 18, makes compression bar and hollow lower link form interlock.Its interlock effect is the same.
The present invention also is provided with spring 21 and charging nut 22, and spring 21 is sleeved between the roof pressure piece 81 of the lower surface that is arranged on hollow lower link 5 on the compression bar and compression bar lower end, is used to make the roof pressure piece to keep in touch with the transmission mechanism that pressurizes all the time.Lower end at the hollow lower link is provided with external screw thread, and charging nut 22 is spun on the external screw thread of hollow lower link 5 lower ends.Charging nut 22 can be in hollow lower link 5 adjusted, to control the amplitude that die 15 rises by limiting plate 4.
Roof pressure pressing mechanism of the present invention is owing to be provided with the cam pressing mechanism 3 that is fixedly linked with main shaft, after main shaft 2 rotates, cam pressing mechanism 3 rotates synchronously with main shaft 2, the rotation of cam 34 is pushed up mutually with pressurization transmission mechanism 11 every now and then, it is moved up and down, and spring 21 keeps in touch roof pressure piece 81 all the time with pressurization transmission mechanism 11, roof pressure piece 81 is again by compression bar 8 and double end adjusting nut 121 (first embodiment), or pneumatic/hydraulic cylinder 122, piston adjusting nut 123 (second embodiment) is compacting upwards, perhaps by with compression bar 8 with after hollow lower link 5 is fixedlyed connected, promote dies 15 by hollow lower link 5 and upwards suppress.Roof pressure position adjusting mechanism 12 also can be regulated with piston adjusting nut 123 (second embodiment) and 22 pairs of amplitudes of upwards suppressing of charging nut by double end adjusting nut 121 (first embodiment) or pneumatic/hydraulic cylinder 122 simultaneously.
Claims (9)
1, a kind of roof pressure pressing mechanism of powder shaping press, comprise the cam pressing mechanism, limiting plate, lower link, lower pulling plate, lower pulling plate floats, connecting rod and unsteady lower bolster on the roof pressure, the cam pressing mechanism links to each other with the main shaft fixed conveyor, comprise at least one roof pressure cam, extended a cam outrigger shaft in the roof pressure cam outside, it is characterized in that: also comprise compression bar and roof pressure position adjusting mechanism, described lower link is the hollow lower link, compression bar is located in hollow lower link and the limiting plate, the lower pulling plate direction of floating is stretched in its upper end, its bottom is connected with roof pressure piece or roller, and this roof pressure piece or roller are suspended at the cam top of cam pressing mechanism; The roof pressure position adjusting mechanism is movably connected on compression bar and the roof pressure between the connecting rod, is used to regulate the size of the pressure that is sent to die.
2, the roof pressure pressing mechanism of powder shaping press according to claim 1, it is characterized in that: described roof pressure position adjusting mechanism comprises adjusting nut, the lower end of connecting rod is respectively equipped with internal and external threads or suitable external screw thread on the upper end of described compression bar and the roof pressure, and adjusting nut is screwed in movable adjusting between the connecting rod on compression bar and the roof pressure.
3, the roof pressure pressing mechanism of powder shaping press according to claim 1, it is characterized in that: described roof pressure position adjusting mechanism comprises pneumatic/hydraulic cylinder and piston adjusting nut, fixedly connected with described compression bar in the lower end of pneumatic/hydraulic cylinder, the upper end is fixedly linked by connecting rod on its piston and the described roof pressure, the middle part of connecting rod is provided with external screw thread on the described roof pressure, and the piston adjusting nut is screwed in the middle part of connecting rod on the roof pressure.
4, the roof pressure pressing mechanism of powder shaping press according to claim 1, it is characterized in that: also comprise the pressurization transmission mechanism, this pressurization transmission mechanism is installed on the cam outrigger shaft of cam pressing mechanism, be arranged between roof pressure cam and the compression bar, comprise a reverse-hook shape framework, this reverse-hook shape framework is installed in the cam side of cam pressing mechanism, it colludes frame and is being folded in above the cam between cam and the compression bar, collude a roller is installed in the frame, the length of this roller and the width of cam is adaptive and can roll under the roof pressure of cam or move, the long side surface of framework is provided with a center chute, be provided with roller or sliding spirit in the chute of center, hook-shaped framework is erected on the cam outrigger shaft by this roller or sliding spirit.
5, according to the roof pressure pressing mechanism of any one described powder shaping press in the claim 1 to 4, it is characterized in that: also comprise a latch or screw, described compression bar and hollow lower link are provided with corresponding pin-and-hole or screw, compression bar and hollow lower link are fixedly linked by this latch or screw, form interlock.
6, according to the roof pressure pressing mechanism of any one described powder shaping press in the claim 1 to 4, it is characterized in that: the workbench of described unsteady lower pulling plate, float lower bolster and installation die is fixedly linked by many little guide pillars, makes compression bar and hollow lower link form interlock.
7, according to the roof pressure pressing mechanism of any one described powder shaping press in the claim 1 to 4, it is characterized in that: also comprise spring, spring housing is contained between the roof pressure piece of the lower surface that is arranged on the hollow lower link on the compression bar and compression bar lower end, is used to make the roof pressure piece to keep in touch with the pressurization transmission mechanism all the time.
8, according to the roof pressure pressing mechanism of any one described powder shaping press in the claim 1 to 4, it is characterized in that: also comprise the charging nut, the lower end of described hollow lower link is provided with external screw thread, and the charging nut is spun on the external screw thread of hollow lower link lower end.
9, according to the roof pressure pressing mechanism of any one described powder shaping press in the claim 1 to 4, it is characterized in that: described cam pressing mechanism comprises a plurality of cams, correspondingly be provided with a plurality of pressurization transmission mechanisms and a plurality of compression bar, a plurality of pressurization transmission mechanism correspondences are installed in the side of a plurality of cams, a plurality of compression bars are arranged side by side, and the extension by hollow lower link lower end between the compression bar interrelates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101094883A CN1322972C (en) | 2003-12-17 | 2003-12-17 | Top pressure pressurizing mechanism for powder-forming press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2003101094883A CN1322972C (en) | 2003-12-17 | 2003-12-17 | Top pressure pressurizing mechanism for powder-forming press |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1628961A true CN1628961A (en) | 2005-06-22 |
| CN1322972C CN1322972C (en) | 2007-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2003101094883A Expired - Fee Related CN1322972C (en) | 2003-12-17 | 2003-12-17 | Top pressure pressurizing mechanism for powder-forming press |
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| CN (1) | CN1322972C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100364763C (en) * | 2006-02-15 | 2008-01-30 | 南京东部精密机械有限公司 | Top pressing system for large powder press |
| CN101704304B (en) * | 2009-10-30 | 2011-06-08 | 重庆智博粉末冶金有限公司 | Powder product hydraulic press |
| CN101758634B (en) * | 2008-11-21 | 2012-05-09 | 扬州市海力精密机械制造有限公司 | Jacking and pressing adjusting mechanism of powder former |
| CN106536178A (en) * | 2014-05-27 | 2017-03-22 | 原子能和替代能源委员会 | Press for shaping pellets in restricted and hostile environment and method for assembling the press |
| CN109128156A (en) * | 2018-08-30 | 2019-01-04 | 高福程 | A kind of CEMENTED CARBIDE PRODUCTION compacting bidirection press machine |
| CN109332707A (en) * | 2018-10-19 | 2019-02-15 | 宁波汇众粉末机械制造有限公司 | The undershoot knock-out gear of powder trimmer |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5968205A (en) * | 1982-10-14 | 1984-04-18 | 株式会社三石深井鉄工所 | Vacuum type brick molding device |
| ATE61762T1 (en) * | 1987-11-19 | 1991-04-15 | Graebener Theodor Pressensyst | PRESS, IN PARTICULAR FOR THE MANUFACTURE OF DIMENSIONAL PRESSINGS FROM POWDER MATERIALS. |
| DE59506072D1 (en) * | 1994-04-27 | 1999-07-08 | Dorst Masch & Anlagen | Process for the production of compacts from powdery material and corresponding press |
| CN2267881Y (en) * | 1996-08-19 | 1997-11-19 | 龙焜煌 | Buffer indexing structure of rotary powder forming machine |
| CN1089675C (en) * | 1999-05-13 | 2002-08-28 | 吴素珍 | Pressing mechanism of powder forming press |
| CN2478765Y (en) * | 2001-03-02 | 2002-02-27 | 东台市唐洋带锯机械有限责任公司 | Mechanical floating powder-compacting press |
| CN2671796Y (en) * | 2003-12-17 | 2005-01-19 | 朱锦忠 | Top pressure pressing mechanism for powder forming press |
-
2003
- 2003-12-17 CN CNB2003101094883A patent/CN1322972C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100364763C (en) * | 2006-02-15 | 2008-01-30 | 南京东部精密机械有限公司 | Top pressing system for large powder press |
| CN101758634B (en) * | 2008-11-21 | 2012-05-09 | 扬州市海力精密机械制造有限公司 | Jacking and pressing adjusting mechanism of powder former |
| CN101704304B (en) * | 2009-10-30 | 2011-06-08 | 重庆智博粉末冶金有限公司 | Powder product hydraulic press |
| CN106536178A (en) * | 2014-05-27 | 2017-03-22 | 原子能和替代能源委员会 | Press for shaping pellets in restricted and hostile environment and method for assembling the press |
| CN106536178B (en) * | 2014-05-27 | 2019-01-15 | 原子能和替代能源委员会 | Stamping device for pellet to be formed under limited and unfavorable environment and the method for assembling the stamping device |
| CN109128156A (en) * | 2018-08-30 | 2019-01-04 | 高福程 | A kind of CEMENTED CARBIDE PRODUCTION compacting bidirection press machine |
| CN109332707A (en) * | 2018-10-19 | 2019-02-15 | 宁波汇众粉末机械制造有限公司 | The undershoot knock-out gear of powder trimmer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1322972C (en) | 2007-06-27 |
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Granted publication date: 20070627 Termination date: 20111217 |