CN103522577A - Undershoot springback device of powder forming machine - Google Patents
Undershoot springback device of powder forming machine Download PDFInfo
- Publication number
- CN103522577A CN103522577A CN201310505604.7A CN201310505604A CN103522577A CN 103522577 A CN103522577 A CN 103522577A CN 201310505604 A CN201310505604 A CN 201310505604A CN 103522577 A CN103522577 A CN 103522577A
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- undershoot
- forming machine
- powder forming
- once
- fixed base
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- 239000000843 powder Substances 0.000 title claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 238000004080 punching Methods 0.000 claims description 29
- 239000012530 fluid Substances 0.000 claims description 19
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 239000000446 fuel Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 40
- 238000004904 shortening Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
- B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention provides an undershoot springback device of a powder forming machine. The device comprises a fixed base plate fixedly installed on a rack of the powder forming machine, wherein a two-undershoot assembly is installed in the center of the fixed base plate, a one-undershoot assembly is assembled outside the two-undershoot assembly in a sliding mode, the one-undershoot assembly comprises a one-undershoot plate, a one-undershoot subplate installed on the upper surface of the one-undershoot plate and a one undershoot installed on the upper surface of the one-undershoot subplate, and a female die fixed to a female die plate is assembled outside the upper end of the one undershoot in a sliding mode; an undershoot subplate is further assembled outside the two-undershoot assembly in a sliding mode, the undershoot subplate is located between the one-undershoot assembly and the fixed base plate, and at least two springback mechanisms used for driving the undershoot subplate to move upwards are evenly distributed in the upper circumferential direction of the fixed base plate. The undershoot springback device of the powder forming machine is simple and compact in structure, convenient to use, low in manufacturing cost and capable of improving the yield of products and reducing production cost.
Description
Technical field
The present invention relates to a kind of powder forming machine, particularly a kind of powder forming machine undershoot resilient mounting.
Background technology
Powder forming machine is in forming process, one undershoot and two undershoots are subject to force compresses, undershoot is subject to the pressure of every square centimeter of 6-6.5T left and right, such as undershoot shortening amount is 3.5-4/1000mm, due to a undershoot, the length of two undershoots is different, therefore its shortening amount is different, as the long 100mm of a undershoot, the long 300mm of two undershoots, one undershoot shortening amount is 0.35mm, the shortening amount 1.05mm of two undershoots, after elastic recovery, produce the gap of 0.7mm, step laminating on the upper surface of two undershoots and product lower surface, and the upper surface of a undershoot and product shaft shoulder face produce the gap of 0.7mm, and product depanning is to move downward realization by former, during depanning, between former inwall and product sidewall, can produce huge frictional force, owing to only rushing as supporting with two of product lower surface center, this frictional force forms the arm of force, thereby when depanning, draw crumble product, cause product rejection, thereby increased production cost, have the servo hydraulic system of employing to address the above problem abroad, by CNC, realize control, but this system architecture is complicated, import places one's entire reliance upon, cost is high, is the more than 5 times of cost of the present invention, and cannot on the mechanical-moulded shape machine of existing powder, transform application.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is to provide the gap between a kind of energy auto-compensation one undershoot and product, and the powder forming machine undershoot resilient mounting that can transform on the basis of existing powder forming machine.
(2) technical scheme
For solving the problems of the technologies described above, the invention provides a kind of powder forming machine undershoot resilient mounting, comprise the fixed base plate being fixedly mounted in powder forming machine frame, described fixed base plate center is provided with two undershoot assemblies, described two undershoot assemblies comprise the two undershoot cushion blocks that are arranged on described fixed base plate center, be arranged on two undershoot backing plates of described two undershoot cushion block upper surfaces and be arranged on two undershoots of described two undershoot backing plate upper surfaces, described two undershoot assembly outsides are equipped with a undershoot assembly, a described undershoot assembly comprises punching, described in being arranged on once the plate of die head once of punching upper surface and be arranged on described in a undershoot of die head plate upper surface once, the described outside former being fixed on negative template that is equipped with of end that once rushes to, described two undershoot assembly outsides are also equipped with undershoot backing plate, described undershoot backing plate is between a described undershoot assembly and described fixed base plate, on described fixed base plate, be circumferentially evenly equipped with at least two rebounding mechanisms for driving described undershoot backing plate to move up.
Further, the upper surface of described undershoot backing plate is circumferentially evenly equipped with two blocks.
Further, the lower end of described punching is once provided with the slide block corresponding with described block, described slide block can radially slide be arranged on described in the lower surface of punching once, in described punching once, be provided with the skewback coordinating with described slide block, described in the upper surface of described skewback extends upwardly to once outside punching, described negative template lower end is provided with under triggering that described skewback moves down and goes out tringle.
Further, described rebounding mechanism comprises sliding plug and offers the oil cylinder guide holder of guide hole, the upper surface of described fixed base plate is circumferentially evenly equipped with at least two cylinder holes, described oil cylinder guide holder is fixed on described cylinder hole, described piston cunning fits in described cylinder hole and described cunning sliding stopper rod is beyond the Great Wall connected to described undershoot backing plate through after described guide hole, and the bottom surface in described cylinder hole offers the hydraulic fluid port for fuel feeding.
Further, described cylinder hole is shoulder hole, and described oil cylinder guide holder is bolted in described shoulder hole.
Further, the upper end sidewall of described oil cylinder guide holder offers air inlet, and the bottom of described oil cylinder guide holder offers the gas outlet being communicated with described air inlet.
(3) beneficial effect
Powder forming machine undershoot resilient mounting of the present invention, by quantitative oil supply device, drive rebounding mechanism to move upward, thereby a undershoot assembly is moved upward, filling up by a undershoot, two undershoot decrements are different and the gap that produces has solved the problem of damaging when product depanning is caused in gap owing to having between a undershoot and product surface; Powder forming machine undershoot resilient mounting of the present invention, simple in structure, compact, easy to use, low cost of manufacture, has improved product percent of pass, has reduced production cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of powder forming machine undershoot resilient mounting filler of the present invention;
Fig. 2 is the structural representation of powder forming machine undershoot resilient mounting formed product of the present invention;
Fig. 3 is the structural representation that powder forming machine undershoot resilient mounting upper punch of the present invention resets;
Fig. 4 is the structural representation of powder forming machine undershoot resilient mounting rebounding mechanism of the present invention while ejecting;
Structural representation when Fig. 5 is powder forming machine undershoot resilient mounting depanning of the present invention;
Structural representation when Fig. 6 is the complete depanning of powder forming machine undershoot resilient mounting of the present invention;
Fig. 7 is A portion enlarged drawing in Fig. 1;
In figure: 1, upper coupling block; 2, rush-up seat; 3, upper punch; 4, former; 5, negative template; 6, under, go out tringle; 7, skewback; 8, punching once; 9, slide block; 10, block; 11, undershoot backing plate; 12, oil cylinder guide holder; 13, fixed base plate; 14, sliding plug; 15, plug piston rod; 16, piston/cylinder; 17, lower shoe; 18, lower link piece; 19, a undershoot; 20, die head plate once; 21, two undershoots; 22, two undershoot backing plates; 23, two undershoot cushion blocks; 31, the first solenoid directional control valve; 32, the second solenoid directional control valve; 33, the 3rd solenoid directional control valve; 34 quantitative oil cylinders.
The specific embodiment
Consult Fig. 1～Fig. 6, the invention provides a kind of powder forming machine undershoot resilient mounting, comprise the fixed base plate 13 being fixedly mounted in powder forming machine frame, two undershoot assemblies are installed at fixed base plate center, this two undershoots assembly comprises the two undershoot cushion blocks 23 that are arranged on fixed base plate 13 centers, be arranged on two undershoot backing plates 22 of two undershoot cushion block 23 upper surfaces and be arranged on two undershoots 21 of two undershoot backing plate 22 upper surfaces, the outside cunning of two undershoot assemblies is joined (being slidably matched) a undershoot assembly, this undershoot assembly comprises punching 8, be arranged on the plate of die head 20 of punching 8 upper surfaces and be arranged on a undershoot 19 of die head plate 20 upper surfaces, one undershoot 19 outsides, upper end are equipped with the former 4 being fixed on negative template 5, also slidingly in two undershoot assembly outsides join (being slidably matched) and have undershoot backing plate 11, this undershoot backing plate 11 is between a undershoot assembly and fixed base plate 13, on fixed base plate 13, be circumferentially evenly equipped with at least two rebounding mechanisms for driving undershoot backing plate 11 to move up, in the present embodiment, at the upper surface of undershoot backing plate 11, be circumferentially evenly equipped with two blocks 10, once, the lower end of punching 8 is provided with the slide block corresponding with block 10 9, this slide block 9 can radially slide and be arranged on the lower surface of punching 8, in punching 8, be provided with the skewback 7 coordinating with slide block once, the upper surface of skewback 7 extends upwardly to outside punching 8, and negative template 5 lower ends are provided with under triggering that skewback 7 moves down and go out tringle 6, consult Fig. 7, in the present embodiment, rebounding mechanism comprises sliding plug 14 and offers the oil cylinder guide holder 12 of guide hole, the upper surface of fixed base plate is circumferentially evenly equipped with at least two cylinder holes, oil cylinder guide holder 12 is fixed on cylinder hole, piston 14 is slided to join after (sliding up and down to coordinate) sliding stopper rod in cylinder hole and on sliding plug 14 passes guide hole and is connected to undershoot backing plate 11, offers the hydraulic fluid port for quantitative fuel feeding in the bottom surface in cylinder hole, further, cylinder hole is shoulder hole, and oil cylinder guide holder is bolted in this shoulder hole, the upper end sidewall of oil cylinder guide holder offers air inlet, and the bottom of oil cylinder guide holder offers the gas outlet being communicated with air inlet.
Below structure is elaborated:
In order to realize quantitative fuel feeding, the present invention is also equipped with quantitative oil supply system;
This quantitative oil supply system includes quantitative oil cylinder 34, and quantitatively the piston rod of oil cylinder is provided with adjusting nut, for the movement travel of control piston, oil pump, there is A1, B1, P1, the first solenoid directional control valve 31 of T1 hydraulic fluid port, there is A2, B2, P2, the second solenoid directional control valve 32 of T2 hydraulic fluid port, there is A3, B3, P3, the 3rd solenoid directional control valve 33 of T3 hydraulic fluid port, quantitatively the hydraulic fluid port of the rod chamber of oil cylinder 34 connects the A1 hydraulic fluid port of the first solenoid directional control valve 31, the P1 hydraulic fluid port of the first solenoid directional control valve 31 is connected to oil pump, T1 mouth is connected to fuel tank, quantitatively the rodless cavity hydraulic fluid port of oil cylinder 34 connects the P2 hydraulic fluid port of the second solenoid directional control valve 32, the B2 hydraulic fluid port of the second solenoid directional control valve 32 connects the B1 hydraulic fluid port of the first solenoid directional control valve 31, the A3 hydraulic fluid port of the A2 hydraulic fluid port of the second solenoid directional control valve 32 and the 3rd solenoid directional control valve 33 is merged into the rodless cavity hydraulic fluid port that is connected to rebounding mechanism behind a road by the road, the P3 hydraulic fluid port of the 3rd solenoid directional control valve 33 is communicated with fuel tank, the T2 hydraulic fluid port of T3 hydraulic fluid port and the second solenoid directional control valve 32 all seals, this is first years old, the second and the 3rd solenoid directional control valve is two four-way electromagnetic reversing valves.
Below job step is elaborated:
Consult Fig. 1, on former, move on to filling position, once punching, once die head plate, be flushed to filling position once, in former, fill up powder;
Consult Fig. 2, upper punch moves down into lower dead center, negative template is controlled and is moved down into moulding position by lower main axis, one undershoot, once die head plate, once punching, slide block move down, slide block contacts with block, block and be flushed to shaping position, at this moment, a undershoot, the stressed contraction of two undershoots, reach 6-6.5T due to its stressed every square, for example: the shortening amount of undershoot is 3.5-4/1000mm, as the long 100mm of a undershoot, its decrement is 0.35mm, and two undershoots are 300mm, its decrement is that the poor h of decrement of 1.05, one, two undershoots is 0.7mm;
Consult Fig. 3, on break through after bottom dead center and move up, the backward upper resilience 0.35mm of one undershoot power with no pressure, two undershoots are without the backward upper resilience 1.05mm of pressure, it is 0.7mm that springback capacity differs h, the controlled 0.7mm that moves up of plunger distance in fixed base plate, jack-up undershoot backing plate moves up, the block on undershoot backing plate, slide block, once punching, die head plate, the undershoot 0.7mm that correspondingly moves upward once;
Consult Fig. 4 to Fig. 6, former, negative template by guide pillar, lower shoe, lower link piece by powder forming machine lower main axis to movement, negative template lower plane goes out tringle under installing, eject skewback, skewback moves down and drives two slide blocks outwards to move, and then descends depanning masthead to live punching, at this moment, one undershoot, once die head piece, once punching, two slide blocks move down, until the product of compacting is in mould outside, complete depanning.
Accordingly, quantitatively oil supply system job step is as follows:
Before work, the position of the adjusting nut on adjustment quantitative oil cylinder according to demand, thus control quantitative in-oil cylinder piston stroke, controlled the oil pump capacity in rodless cavity, controlled the ejection stroke of ejection cylinder, during work, first, two solenoid directional control valve energisings, the 3rd solenoid directional control valve power-off, pressure oil is by arriving the rod chamber of quantitative oil cylinder after the first solenoid directional control valve, under the effect of pressure oil, oil in rodless cavity is under the effect of piston, after the second solenoid directional control valve, flow into the rodless cavity of ejection cylinder (rebounding mechanism), make the piston rod of ejection cylinder (rebounding mechanism) upwards eject certain distance, this distance is determined by the oil pump capacity of quantitative oil cylinder rodless cavity, then, first, two solenoid directional control valve power-off, pressure oil on oil pump arrives B1 chamber by the P1 chamber of the first solenoid directional control valve, again to the B2 chamber of the second solenoid directional control valve, pressure oil in B2 chamber enters the rodless cavity of quantitative oil cylinder behind P2 chamber, thereby promotion piston, make the oil in the rod chamber of quantitative oil cylinder flow into fuel tank after the A1 of the first solenoid directional control valve mouth, now, ejection cylinder (rebounding mechanism) is without moving back oil, can bear the support force of going out mould, after product depanning, former rises to filling position, in die cavity, fill after powder, undershoot moves down and starts compacting, now, the 3rd solenoid directional control valve energising, the piston of ejection cylinder under pressure, extrude the hydraulic oil in rodless cavity, this hydraulic oil is oil return case from A3 chamber to the P3 chamber of the 3rd solenoid directional control valve, piston movement in ejection cylinder is during to below, the 3rd solenoid directional control valve cuts out, complete an operation cycle.
Powder forming machine undershoot resilient mounting of the present invention, simple in structure, compact, easy to use, low cost of manufacture, product qualification rate reaching is high, has reduced production cost.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a powder forming machine undershoot resilient mounting, it is characterized in that: comprise the fixed base plate being fixedly mounted in powder forming machine frame, described fixed base plate center is provided with two undershoot assemblies, described two undershoot assemblies comprise the two undershoot cushion blocks that are arranged on described fixed base plate center, be arranged on two undershoot backing plates of described two undershoot cushion block upper surfaces and be arranged on two undershoots of described two undershoot backing plate upper surfaces, described two undershoot assembly outsides are equipped with a undershoot assembly, a described undershoot assembly comprises punching, described in being arranged on once the plate of die head once of punching upper surface and be arranged on described in a undershoot of die head plate upper surface once, the described outside former being fixed on negative template that is equipped with of end that once rushes to, described two undershoot assembly outsides are also equipped with undershoot backing plate, and described undershoot backing plate, between a described undershoot assembly and described fixed base plate, is circumferentially evenly equipped with at least two rebounding mechanisms for driving described undershoot backing plate to move up on described fixed base plate.
2. powder forming machine undershoot resilient mounting as claimed in claim 1, is characterized in that: the upper surface of described undershoot backing plate is circumferentially evenly equipped with two blocks.
3. powder forming machine undershoot resilient mounting as claimed in claim 2, it is characterized in that: the lower end of described punching is once provided with the slide block corresponding with described block, described slide block can radially slide be arranged on described in the lower surface of punching once, in described punching once, be provided with the skewback coordinating with described slide block, described in the upper surface of described skewback extends upwardly to once outside punching, described negative template lower end is provided with under triggering that described skewback moves down and goes out tringle.
4. the powder forming machine undershoot resilient mounting as described in claims 1 to 3 any one, it is characterized in that: described rebounding mechanism comprises sliding plug and offers the oil cylinder guide holder of guide hole, the upper surface of described fixed base plate is circumferentially evenly equipped with at least two cylinder holes, described oil cylinder guide holder is fixed on described cylinder hole, described piston cunning fits in described cylinder hole and described cunning sliding stopper rod is beyond the Great Wall connected to described undershoot backing plate through after described guide hole, and the bottom surface in described cylinder hole offers the hydraulic fluid port for fuel feeding.
5. powder forming machine undershoot resilient mounting as claimed in claim 4, is characterized in that: described cylinder hole is shoulder hole, and described oil cylinder guide holder is bolted in described shoulder hole.
6. powder forming machine undershoot resilient mounting as claimed in claim 5, is characterized in that: the upper end sidewall of described oil cylinder guide holder offers air inlet, and the bottom of described oil cylinder guide holder offers the gas outlet being communicated with described air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310505604.7A CN103522577B (en) | 2013-10-22 | 2013-10-22 | Undershoot springback device of powder forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310505604.7A CN103522577B (en) | 2013-10-22 | 2013-10-22 | Undershoot springback device of powder forming machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103522577A true CN103522577A (en) | 2014-01-22 |
| CN103522577B CN103522577B (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310505604.7A Active CN103522577B (en) | 2013-10-22 | 2013-10-22 | Undershoot springback device of powder forming machine |
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| Country | Link |
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| CN (1) | CN103522577B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215355A (en) * | 2015-10-30 | 2016-01-06 | 扬州市海力精密机械制造有限公司 | Powder metallurgy die elastic deformation compensation mechanism and the course of work thereof |
| CN105215354A (en) * | 2015-10-30 | 2016-01-06 | 扬州市海力精密机械制造有限公司 | Powder metallurgy die elastic deformation servo compensation system |
| CN106626504A (en) * | 2016-12-31 | 2017-05-10 | 扬州市海力精密机械制造有限公司 | Novel formwork hydraulic compensation control mechanism |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3132378A (en) * | 1962-09-06 | 1964-05-12 | Cincinnati Shaper Co | Releasable stop device for presses and the like |
| GB1026974A (en) * | 1962-02-02 | 1966-04-20 | Fahr Ag Maschf | Method of and apparatus for ejecting and removing pressings from presses |
| CN86108609A (en) * | 1986-12-20 | 1988-07-06 | 上海合金材料总厂 | Powder shaping press |
| CN2611138Y (en) * | 2002-11-25 | 2004-04-14 | 严培义 | Powder formation machine |
| CN1631663A (en) * | 2004-12-22 | 2005-06-29 | 严培义 | Powder forming machine |
| CN102489701A (en) * | 2011-12-12 | 2012-06-13 | 上海平野磁气有限公司 | Full-automatic magnetic powder forming press machine |
| CN203680859U (en) * | 2013-10-22 | 2014-07-02 | 宁波汇众粉末机械制造有限公司 | Punch-down rebounding device for powder forming machine |
-
2013
- 2013-10-22 CN CN201310505604.7A patent/CN103522577B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1026974A (en) * | 1962-02-02 | 1966-04-20 | Fahr Ag Maschf | Method of and apparatus for ejecting and removing pressings from presses |
| US3132378A (en) * | 1962-09-06 | 1964-05-12 | Cincinnati Shaper Co | Releasable stop device for presses and the like |
| CN86108609A (en) * | 1986-12-20 | 1988-07-06 | 上海合金材料总厂 | Powder shaping press |
| CN2611138Y (en) * | 2002-11-25 | 2004-04-14 | 严培义 | Powder formation machine |
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| CN203680859U (en) * | 2013-10-22 | 2014-07-02 | 宁波汇众粉末机械制造有限公司 | Punch-down rebounding device for powder forming machine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105215355A (en) * | 2015-10-30 | 2016-01-06 | 扬州市海力精密机械制造有限公司 | Powder metallurgy die elastic deformation compensation mechanism and the course of work thereof |
| CN105215354A (en) * | 2015-10-30 | 2016-01-06 | 扬州市海力精密机械制造有限公司 | Powder metallurgy die elastic deformation servo compensation system |
| CN106626504A (en) * | 2016-12-31 | 2017-05-10 | 扬州市海力精密机械制造有限公司 | Novel formwork hydraulic compensation control mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103522577B (en) | 2015-05-13 |
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Owner name: NINGBO HUIZHONG POWER MACHINERY MAKING CO., LTD. Free format text: FORMER OWNER: YAN PEIYI Effective date: 20140213 |
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Effective date of registration: 20140213 Address after: 315000 crab Industrial Development Zone, Zhenhai District, Zhejiang, Ningbo Applicant after: NINGBO HUIZHONG POWDER MACHINERY MAKING CO., LTD. Address before: 315203, room 16, building 401, shopping street, camel street, Zhenhai District, Zhejiang, Ningbo Applicant before: Yan Peiyi |
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