CN1147395C - Hydraulic press for powder formation - Google Patents
Hydraulic press for powder formationInfo
- Publication number
- CN1147395C CN1147395C CNB011055111A CN01105511A CN1147395C CN 1147395 C CN1147395 C CN 1147395C CN B011055111 A CNB011055111 A CN B011055111A CN 01105511 A CN01105511 A CN 01105511A CN 1147395 C CN1147395 C CN 1147395C
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- CN
- China
- Prior art keywords
- hydraulic cylinder
- piston rod
- hydraulic press
- press
- adjusting nut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The present invention discloses a hydraulic press for forming powder. Piston rods, an upper limit adjustment nut, a lower limit adjustment nut, and locking nuts are added into an upper hydraulic cylinder and a lower hydraulic cylinder of the traditional hydraulic press for forming powder by the hydraulic press. A concave mould downward pressing adjustment nut, a locking nut and a downward pressing crossbeam are also sheathed on an upper punching head, and the downward pressing crossbeam and a movable guide post are mutually fixed. The hydraulic press for forming powder of the present invention can reach the most economic stroke, and the dimensional precision and the density of a powder pressing product is greatly enhanced.
Description
Technical field
The present invention relates to be specially adapted for make the article moulding with particulate or pulverulence material, and the forming press of working pressure drift, more specifically be meant a kind of hydraulic press for powder formation.
Background technology
In traditional hydraulic press for powder formation, hydraulic cylinder generally all can only pressure control and do not have the stroke location.The last hydraulic cylinder of most hydraulic presses has only lower piston rod, following hydraulic cylinder has only upper piston rod, hydraulic cylinder does not all have the mechanism of adjustable piston stroke up and down, promptly there is not stroke location amount controlling organization, therefore, piston stroke amount in the hydraulic cylinder up and down of this hydraulic press is excessive and unadjustable, and hydraulic press pressing cycle in pressing process is longer, thereby production efficiency is lower; Most press do not have the precision detent mechanism, the powder hydraulic press of minority has the precision positioning control of certain limit, also be to carry out stroke limit by two limited blocks, regulate a travel position and must regulate two limited blocks, the complex structure of this spacing controlling organization, adjusting is got up very difficult, and degree of regulation is also poor, and has just regulated the pressing position of upper punch.Therefore, the shortage of the spacing controlling organization of traditional hydraulic press for powder formation and backward precision and the inherent density performance that has fettered the application prospect of hydraulic press for powder formation greatly and influenced powder hydraulic press institute compacted products.
Summary of the invention
For this reason, the objective of the invention is to overcome the above-mentioned shortcoming that traditional hydraulic press for powder formation exists, a kind of improved hydraulic press for powder formation is proposed, this hydraulic press pressing stroke can be regulated reaching most economical stroke according to actual instructions for use, and can improve the precision and the density of powder compaction product size.
To achieve these goals, the present invention adopts following technical scheme: this hydraulic press for powder formation mainly comprises hydraulic cylinder, goes up the hydraulic cylinder crossbeam, goes up moved cross beam, upper punch, die, low punch, middle template, demoulding core bar, lower pulling plate, hydraulic cylinder, fixing leading post, movable guide pillar down, last hydraulic cylinder is fixed on the hydraulic cylinder crossbeam, and the lower piston rod lower end of last hydraulic cylinder is screw rod barrel structure and is connected with last moved cross beam; Upper punch and last moved cross beam Joint, die place the die workbench and are positioned at the upper punch below; Low punch is arranged in the below of die and is fixed in by template on the support of hydraulic press; Demoulding core bar and lower pulling plate Joint, the upper piston rod of following hydraulic cylinder and lower pulling plate Joint; With last hydraulic cylinder crossbeam, middle template, hydraulic cylinder fixes down, fixing leading post also activity wears moved cross beam, die workbench to fixing leading post respectively; Movable guide pillar fixes with die workbench, lower pulling plate respectively, and movable guide pillar also activity wears moved cross beam and middle template; It is characterized in that: the described hydraulic cylinder of going up also comprises upper piston rod, is arranged with piston lower limit adjusting nut and lock nut on the upper piston rod; The described lower piston rod of going up hydraulic cylinder also is arranged with piston upper limit adjusting nut and lock nut.
Described upper punch is arranged with die respectively and presses down adjusting nut, lock nut and press down crossbeam, presses down crossbeam and also fixes with movable guide pillar.
Described hydraulic cylinder down also comprises lower piston rod, and lower piston rod is with lower piston upper limit adjusting nut and lock nut.
The described upper piston rod of hydraulic cylinder down also is with piston lower limit adjusting nut and lock nut.
The described diameter of going up the upper and lower piston rod of hydraulic cylinder is isometrical or not isometrical.
The described diameter of the upper and lower piston rod of hydraulic cylinder down is isometrical or not isometrical.
Described upper and lower limit adjusting nut, press down adjusting nut and all can adopt worm and gear, gear, chain-wheel mechanism to drive to regulate.
Because hydraulic press for powder formation of the present invention has been set up upper piston rod in the hydraulic cylinder on traditional hydraulic press for powder formation, be arranged with piston lower limit adjusting nut and lock nut on the upper piston rod; And the lower piston rod at last hydraulic cylinder also is arranged with piston upper limit adjusting nut and lock nut; Simultaneously, be arranged with die respectively at upper punch and press down adjusting nut, lock nut and press down crossbeam, press down crossbeam and also fix with movable guide pillar; Also comprise lower piston rod at following hydraulic cylinder, lower piston rod is with lower piston upper limit adjusting nut and lock nut, and upper piston rod also is with piston lower limit adjusting nut and lock nut.Therefore, the pressing stroke amount of the last hydraulic cylinder of hydraulic press for powder formation of the present invention can be adjusted in the most economical stroke according to instructions for use, the impulse stroke of following hydraulic cylinder equals the stroke of powder charging difference, there is not idle stroke, the last low punch compacting amount of two-way compacting not only can be regulated floating pressure and be regulated, and as long as die of adjusting presses down adjusting nut, just can regulate two path increments of upper punch compacting amount and low punch compacting amount ground in the two-way compacting, therefore can improve the dimensional accuracy and the density of powder compaction product greatly.
Below in conjunction with drawings and Examples, the present invention is described in further detail:
Description of drawings
Fig. 1 is a hydraulic press for powder formation transmission principle structural representation of the present invention.
Fig. 2 is another structural representation of hydraulic press for powder formation transmission principle of the present invention.
Fig. 3 is the another transmission principle structural representation of hydraulic press for powder formation of the present invention.
The specific embodiment
Please in conjunction with Fig. 1, shown in Figure 2, hydraulic press for powder formation of the present invention is the same with traditional hydraulic press mainly to comprise hydraulic cylinder 1, go up hydraulic cylinder crossbeam 2, go up moved cross beam 3, upper punch 4, die 5, low punch 6, middle template 7, demoulding core bar 8, lower pulling plate 9, hydraulic cylinder 10, fixing leading post 20, movable guide pillar 30 down.Last hydraulic cylinder 1 is fixed on the hydraulic cylinder crossbeam 2, and hydraulic cylinder crossbeam 2 is passed in lower piston rod 11 lower ends of last hydraulic cylinder 1, and lower piston rod 11 is connected for screw rod barrel structure and with last moved cross beam 3.Upper punch 4 and last moved cross beam 3 Joints, die 5 places die workbench 51 and is positioned at upper punch 4 belows.Low punch 6 is arranged in the below of die 5 and is fixed in by template 7 on the support 70 of hydraulic press.Demoulding core bar 8 and lower pulling plate 9 Joints, the upper piston rod 101 and lower pulling plate 9 Joints of following hydraulic cylinder 10.Fixing leading post 20 is respectively with last hydraulic cylinder crossbeam 2, middle template 7, hydraulic cylinder 10 fixes down, at this, there is fixed head 107 on the both sides of following hydraulic cylinder 10, fixing leading post 20 fixes by fixed head 107 and following hydraulic cylinder 10, in addition, fixing leading post 20 activity of going back wears moved cross beam 3, die workbench 51.Movable guide pillar 30 fixes with die workbench 51, lower pulling plate 9 respectively, and in addition, movable guide pillar 30 also activity wears moved cross beam 3 and middle template 7.In addition, in hydraulic press of the present invention, the described hydraulic cylinder 1 of going up also comprises upper piston rod 12, is arranged with piston lower limit adjusting nut 13 and lock nut 14 on the upper piston rod 12.The described lower piston rod 11 of going up hydraulic cylinder 1 also is arranged with piston upper limit adjusting nut 15 and lock nut 16.
Described upper punch 4 is arranged with die respectively and presses down adjusting nut 41, lock nut 42 and press down crossbeam 43, and the two ends that press down crossbeam 43 also fix with movable guide pillar 30.
Described hydraulic cylinder 10 down also comprises lower piston rod 102, and lower piston rod 102 is with piston upper limit adjusting nut 103 and lock nut 104.
The described upper piston rod 101 of hydraulic cylinder 10 down also is with piston lower limit adjusting nut 105 and lock nut 106.
The pressing process of hydraulic press of the present invention is with traditional the same, only how the present invention being carried out spacing principle process below makes a presentation: when the piston in the last hydraulic cylinder 1 moves downward, spacing by piston lower limit adjusting nut 13, the compacting amount is regulated the depressed position of upper punch 4 by the screw rod barrel of lower piston rod 11, and the backward stroke of the piston that goes up hydraulic cylinder 1 is regulated by piston upper limit adjusting nut 15, makes the upper punch stroke reach like this and suppresses stroke most economical, the shortest and energy execution requirement.In like manner, the lower position that the piston lower limit adjusting nut 105 of following hydraulic cylinder 10 plays spacing regulating piston makes 6 times initial points of low punch eject the effect that die 5 reaches the demoulding position, and the lower piston upper limit adjusting nut 103 of hydraulic cylinder 10 plays the last initial point position of limiting die 5 down, this position is charging position, adjusting nut 103 just can be regulated charge, displacement between the last initial point of the piston of following hydraulic cylinder 10 and the following initial point equals the height of powder charging, thereby the piston of following hydraulic cylinder 10 does not have idle stroke.This performance does not have in traditional powder hydraulic press.
In addition, because down the upper end of hydraulic cylinder 10 and lower pulling plate 9 have been fixedlyed connected die workbench 51 and press down crossbeam 43 by movable guide pillar 30, when upper punch 4 presses down, upper punch 4 is because die presses down the effect of adjusting nut 41, upper punch 4 can't continue to press down, and this moment, die 5 maintained static, so in fact the descending amount of die 5 is exactly the compacting amount that low punch 6 makes progress.
Each above-mentioned lock nut all plays the effect of corresponding each adjusting nut of locking.
Please consult Fig. 1, shown in Figure 2 again, the described diameter of going up the upper and lower piston rod 12,11 of hydraulic cylinder 1 is isometrical or not isometrical.Equally, the diameter of the upper and lower piston rod 101,102 of described time hydraulic cylinder 10 is isometrical or not isometrical.The upper and lower piston rod 12,11 of hydraulic cylinder 1 is not for isometrical on having illustrated in Fig. 1, and the upper and lower piston rod 101,102 of following hydraulic cylinder 10 is isometrical; The upper and lower piston rod 12,11 of hydraulic cylinder 1 is not for isometrical on having illustrated in Fig. 2, and the upper and lower piston rod 101,102 of following hydraulic cylinder 10 is not also for isometrical.
The diameter of the last lower piston rod 12,11 of above-mentioned last hydraulic cylinder 1 is that the diameter of the last lower piston rod 101,102 of isometrical or waney design and following hydraulic cylinder 10 is that isometrical or waney design all is to come from order to form the consideration that upper and lower fluid cylinder is a differential hydro cylinder, is more convenient for regulating the speed of the pressing stroke of hydraulic cylinder up and down like this.
See also shown in Figure 3ly at last, the bound adjusting nut 13,15,105,103 of described up and down hydraulic cylinder also can adopt mechanisms such as worm and gear, gear, sprocket wheel to drive and regulate, as, in the figure, illustrated adjusting nut 13 to drive and regulated by worm gear 131; Adjusting nut 15 is driven by sprocket wheel 151 and regulates; Adjusting nut 105 is driven by gear 1051 and regulates; Adjusting nut 103 is driven by worm gear 1031 and regulates.
Claims (7)
1, a kind of hydraulic press for powder formation, this hydraulic press mainly comprises hydraulic cylinder, goes up the hydraulic cylinder crossbeam, goes up moved cross beam, upper punch, die, low punch, middle template, demoulding core bar, lower pulling plate, hydraulic cylinder, fixing leading post, movable guide pillar down, last hydraulic cylinder is fixed on the hydraulic cylinder crossbeam, and the lower piston rod lower end of last hydraulic cylinder is screw rod barrel structure and is connected with moved cross beam on; Upper punch and last moved cross beam Joint, die place the die workbench and are positioned at the upper punch below; Low punch is arranged in the below of die and is fixed in by template on the support of hydraulic press; Demoulding core bar and lower pulling plate Joint, the upper piston rod of following hydraulic cylinder and lower pulling plate Joint; With last hydraulic cylinder crossbeam, middle template, hydraulic cylinder fixes down, fixing leading post also activity wears moved cross beam, die workbench to fixing leading post respectively; Movable guide pillar fixes with die workbench, lower pulling plate respectively, and movable guide pillar also activity wears moved cross beam and middle template; It is characterized in that: the described hydraulic cylinder of going up also comprises upper piston rod, is arranged with piston lower limit adjusting nut and lock nut on the upper piston rod; The described lower piston rod of going up hydraulic cylinder also is arranged with piston upper limit adjusting nut and lock nut.
2, hydraulic press for powder formation as claimed in claim 1 is characterized in that: described upper punch is arranged with die respectively and presses down adjusting nut, lock nut and press down crossbeam, presses down crossbeam and also fixes with movable guide pillar.
3, hydraulic press for powder formation as claimed in claim 1 is characterized in that: described hydraulic cylinder down also comprises lower piston rod, and lower piston rod is with piston upper limit adjusting nut and lock nut.
4, hydraulic press for powder formation as claimed in claim 1 is characterized in that: the described upper piston rod of hydraulic cylinder down also is with piston lower limit adjusting nut and lock nut.
5, as each described hydraulic press for powder formation in the claim 1 to 4, it is characterized in that: the described diameter of going up the upper and lower piston rod of hydraulic cylinder is isometrical or not isometrical.
6, as claim 3 or 4 described hydraulic press for powder formation, it is characterized in that: the described diameter of the upper and lower piston rod of hydraulic cylinder down is isometrical or not isometrical.
7, as claim 1 or 2 or 3 or 4 described hydraulic press for powder formation, it is characterized in that: described upper and lower limit adjusting nut, press down adjusting nut and all can adopt worm and gear, gear, chain-wheel mechanism to drive to regulate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011055111A CN1147395C (en) | 2001-02-28 | 2001-02-28 | Hydraulic press for powder formation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011055111A CN1147395C (en) | 2001-02-28 | 2001-02-28 | Hydraulic press for powder formation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1371802A CN1371802A (en) | 2002-10-02 |
| CN1147395C true CN1147395C (en) | 2004-04-28 |
Family
ID=4654589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011055111A Expired - Fee Related CN1147395C (en) | 2001-02-28 | 2001-02-28 | Hydraulic press for powder formation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1147395C (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4755444B2 (en) * | 2005-05-12 | 2011-08-24 | 株式会社ヨシツカ精機 | Core actuator for powder forming press |
| CN101555182B (en) * | 2009-04-28 | 2011-10-19 | 北京市农林科学院 | Fruit tree rod-shaped fertilizer forming machine |
| CN101704304B (en) * | 2009-10-30 | 2011-06-08 | 重庆智博粉末冶金有限公司 | Powder product hydraulic press |
| CN103085311B (en) * | 2011-11-02 | 2015-09-30 | 朱锦忠 | Stroke positioning device of powder forming hydraulic press |
| CN102886675B (en) * | 2012-11-14 | 2015-03-11 | 台州市冠丰自动化设备有限公司 | Electric-control stroke-adjustable vehicle-mounted water pump flange pressing machine |
| CN103223730B (en) * | 2013-04-08 | 2015-09-23 | 南通中液液压机有限公司 | Energy-conservation environmental protection wall light thermal-insulation new material Full Automatic Liquid press |
| CN104097346A (en) * | 2013-04-09 | 2014-10-15 | 吴宣 | Full-automatic hydraulic machine for novel energy-saving, environment-friendly, light and heat-insulation material of wall body |
| CN103487305B (en) * | 2013-10-10 | 2015-12-02 | 辽宁同辉科技发展有限公司 | The equipment of a kind of coke reactivity and post-reaction strength test samples and preparation method |
| FR3021805B1 (en) * | 2014-05-27 | 2019-05-03 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | PRESS FOR SHAPING PELLETS IN A RESTRICTED AND HOSTILE ENVIRONMENT AND METHOD OF ASSEMBLING THE PRESS |
| CN104354216A (en) * | 2014-10-20 | 2015-02-18 | 青岛国森机械有限公司 | Pre-pressure oil cylinder positioning device used in fast-growing wood recombined bamboo-wood forming equipment |
| CN107755553A (en) * | 2016-08-22 | 2018-03-06 | 南昌海立电器有限公司 | A kind of pipe expander |
| DE102017114457B4 (en) * | 2017-06-29 | 2019-08-08 | Gkn Sinter Metals Engineering Gmbh | Plane plate of a press tool |
| DE102017114458B4 (en) * | 2017-06-29 | 2019-10-10 | Gkn Sinter Metals Engineering Gmbh | Plane plate of a press tool |
| DE102017114456B4 (en) | 2017-06-29 | 2019-08-08 | Gkn Sinter Metals Engineering Gmbh | Plane plate of a press tool |
| DE102017114455B3 (en) * | 2017-06-29 | 2018-10-31 | Gkn Sinter Metals Engineering Gmbh | Plane plate of a press tool |
| CN110640137B (en) * | 2019-09-19 | 2020-09-11 | 燕山大学 | Hydraulic press for metal powder sintering and in-situ equal-channel extrusion under atmosphere protection or vacuum and extrusion method |
| CN111167547A (en) * | 2019-12-31 | 2020-05-19 | 太田机械江苏有限公司 | Control system and control method of powder product hydraulic press |
-
2001
- 2001-02-28 CN CNB011055111A patent/CN1147395C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN1371802A (en) | 2002-10-02 |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| AR01 | Abandonment of patent right to avoid double patenting |
According to article 9 of the patent law and article 13 of the detailed rules for the implementation of the patent law: 1105511.1 of the invention patents in this issue as a notice of authorization, and at the same time corresponding to the 1210869.3 utility model patent to be given up, and in the 20 volume of the 17 issue of the new type of communique on the patent right to abandon the announcement. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20040428 Termination date: 20200228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |