CN203209688U - Upper three punching device of powder metallurgy mold base - Google Patents
Upper three punching device of powder metallurgy mold base Download PDFInfo
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- CN203209688U CN203209688U CN 201320178715 CN201320178715U CN203209688U CN 203209688 U CN203209688 U CN 203209688U CN 201320178715 CN201320178715 CN 201320178715 CN 201320178715 U CN201320178715 U CN 201320178715U CN 203209688 U CN203209688 U CN 203209688U
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Abstract
The utility model relates to an upper three punching device of a powder metallurgy mold base. The upper three punching device of the powder metallurgy mold base is suitable for forming of step products such as powder metallurgy and ceramics. The upper three punching device of the powder metallurgy mold base comprises an upper punching connection board, an upper guide pillar, a sliding bearing, an upper connection board, an upper one punching installation board, an upper two punching installation board, an air cylinder, an upper one punching installation board floating stroke adjusting mechanism, an upper two punching installation board floating stroke adjusting mechanism and a section difference adjusting mechanism. The upper one punching installation board floating stroke adjusting mechanism and the upper two punching installation board floating stroke adjusting mechanism respectively comprise a floating stroke adjusting worm, a floating stroke adjusting transition gear, a large gear, a large gear pressure board, an adjusting gear and a limiting rod. The section difference adjusting mechanism comprises a section difference adjusting worm, a section difference adjusting worm gear and an adjusting stud. The air cylinder is provided with a cylinder body which is arranged in the large gear pressure board, and a piston with a piston rod is arranged in the cylinder body. The upper punching connection board is fixed on a cylinder body end cover through screws, and the upper punching connection board is fixed on an upper template of a full-automatic dry powder press through screws.
Description
Technical field
The utility model relates to three flushing devices on a kind of powder metallurgy die carrier, be applicable to the moulding of step products such as powder metallurgy, pottery.
Background technology
Along with further developing of PM technique, the especially development of auto parts and components, as: parts such as synchronous tooth hub.Make the complexity to powder metallurgy die carrier require further to promote, traditional powder metallurgy double-up-stroke device can not meet the demands, and the powder metallurgy double-up-stroke device can moulding top has the product of two steps.The product that three steps can not moulding top be arranged.
Summary of the invention
The purpose of this utility model is to limit at powder metallurgy double-up-stroke device function, three flushing devices on a kind of powder metallurgy are provided, can three steps of moulding, adopt the mode of building bridge to set up last one towards installing plate, simultaneously stressed on upper junction plate, it is two the same towards installing plate that function is caught up with, and unsteady stroke can be adjusted; It is poor, easy to adjust that employing worm screw, gear guiding mechanism are adjusted the section of shaped article, and the section difference of product is controlled easily; Can the bigger product of moulding external diameter.
Three flushing devices take following scheme to realize on the powder metallurgy die carrier: powder metallurgy die carrier comprises that upper punch connecting plate, upper guide post, sliding bearing one, sliding bearing two, upper junction plate, last float stroke regulating mechanism, last two towards installing plate unsteady stroke regulating mechanism and section difference regulating mechanism towards installing plate, cylinder, last towards installing plate towards installing plate, last two.
Shang Yichong and last two comprises that towards the unsteady stroke regulating mechanism of installing plate the stroke that floats is adjusted worm screw, unsteady stroke is adjusted transition gear, gear wheel, gear wheel pressing plate, adjustment gear one, adjusted gear two, swivel nut, gag lever post one and gag lever post two; Swivel nut is that internal thread is directly processed on upper junction plate.
The section difference regulating mechanism section of comprising difference is adjusted worm screw, the section difference is adjusted worm gear and adjusted double-screw bolt;
Cylinder has cylinder body, cylinder body is arranged in the gear wheel pressing plate, the piston of band piston rod is housed in the cylinder body, piston lower end is provided with interior punch die tool installing hole, the pressing plate of gear wheel during cylinder body outer setting step is adjusted towards the unsteady stroke of installing plate as Shang Yichong and last two, the top of cylinder body is equipped with cylinder end caps and sealing ring is housed, the bottom of cylinder body is fixed on the upper junction plate by screw, guide pin bushing is equipped with in the centre of upper junction plate, between guide pin bushing and the piston sealing ring is housed, between guide pin bushing and the upper junction plate sealing ring is housed.The piston upper end is to adjust double-screw bolt, between adjustment double-screw bolt and cylinder end caps sealing ring is housed, and adjusts the double-screw bolt lower end stop pin one is housed, and inserts in the piston by bearing, can prevent piston rotation, guarantees the rectilinear motion of piston.
Upper guide post is provided with four, upper guide post is fixed on the upper junction plate by gland, gland is connected by screw with upper junction plate, last one is sleeved on the upper guide post by sliding bearing sleeve one, sliding bearing sleeve two respectively towards installing plate towards installing plate and last two, can move along upper guide post is upper and lower, guarantee the mould bases precision.
The upper punch connecting plate is fixed on the cylinder end caps by screw, and the upper punch connecting plate is fixed on the cope match-plate pattern of full-automatic dry powder press by screw.
The stroke that floats is adjusted worm screw and is installed on the upper junction plate upper surface by the worm shaft support, the stroke that floats is housed on the worm shaft of unsteady stroke adjustment worm screw adjusts worm screw latch segment and unsteady stroke adjustment lock-screw, when adjusting lock-screw, the stroke that floats to adjust gag lever post one, gag lever post two upper and lower positions when unclamping, the stroke that will float when adjust finishing is adjusted lock-screw and is tightened, and adjusts the worm screw latch segment stroke that will float by the stroke that floats and adjusts worm screw locking.
The stroke that floats is adjusted transition gear and is installed on the upper junction plate upper surface by the gear locating shaft, the stroke that floats adjusts transition gear and unsteady stroke is adjusted worm engaging, opposite side and gear wheel engagement, gear wheel is sleeved on the gear wheel pressing plate, can rotate, the gear wheel pressing plate is fixed on upper junction plate top, be processed with swivel nut (internal thread) on the upper junction plate, adjust gear one, adjust gear two bottoms difference spinning in swivel nut, adjust gear one, adjust gear two and gear wheel engagement, gag lever post one end is contained in one on installing plate, gag lever post one other end is fixed on by screw and adjusts on the gear one, gag lever post 21 ends are contained in two on installing plate, and gag lever post two other ends are fixed on by screw and adjust on the gear two;
The section difference is adjusted worm screw and is adjusted worm screw fixed support two and be installed on the cylinder end piece by section difference adjustment worm screw fixed support one, section difference, the section of being equipped with difference is adjusted worm screw latch segment and the poor lock-screw of adjusting of section on the worm shaft of section difference adjustment worm screw, when adjusting lock-screw, the section of unclamping difference can adjust the upper and lower position of double-screw bolt, adjust when finishing section difference adjustment lock-screw is tightened, adjust the worm screw latch segment by the section difference section difference is adjusted worm screw locking.The section difference is adjusted worm gear set and is contained in the cylinder end caps, and the section difference is adjusted worm gear and directly adjusted worm engaging with the section difference, and the section difference is adjusted worm gear inside and is provided with internal thread, adjusts the double-screw bolt spinning in the section difference is adjusted worm gear, adjusts the upper-lower position of double-screw bolt and fixes.
Operation principle
Three flushing devices move by the predetermined curve of lathe on the whole powder metallurgy die carrier, when outside the moulding during step product, after charging finishes, when three flushing devices move downward on the powder metallurgy die carrier, by being installed in upper junction plate and Shang Yichong, the last two double-acting cylinder epicoele air feed towards installing plate, last one dashes, last two move downward towards installing plate, at first enter die, get rid of unnecessary powder, last three flushing devices continue to move downward to be suppressed, when arriving the pressing position, Shang Yichong, last two are withdrawn on the upper junction plate lower surface at the active force that overcomes cylinder under the effect of press power towards installing plate.After formed product, carry out the demoulding, during the demoulding, three flushing devices move upward on the powder metallurgy die carrier, Shang Sanchong, the ventilation of last two qi of chong channel ascending adversely cylinder epicoeles make Shang Sanchong, Shang Erchong be pressed on the product always at this moment, guarantee last one towards deviating from product earlier, and then, last two qi of chong channel ascending adversely cylinders are died, and guarantee last two demouldings of dashing, up to deviating from entire product.Make product be unlikely to crack, phenomenon such as cracking, played the effect of the protection demoulding.Three flushing devices continue to move upward on the powder metallurgy die carrier, up to finishing the whole circulation process.When in the moulding during step product, after charging finishes, when three flushing devices move downward on the powder metallurgy die carrier, by being installed on the upper junction plate two towards the double-acting cylinder of installing plate and the epicoele air feed of last three qi of chong channel ascending adversely cylinders being housed, Shang Erchong, last three moves downward towards installing plate, at first enter die, get rid of unnecessary powder, last three flushing devices continue to move downward to be suppressed, when arriving the pressing position, Shang Erchong, last three is withdrawn on upper junction plate lower surface and the adjustment double-screw bolt at the active force that overcomes cylinder under the effect of press power towards installing plate.After formed product, carry out the demoulding, during the demoulding, three flushing devices move upward on the powder metallurgy die carrier, Shang Yichong, the ventilation of last two qi of chong channel ascending adversely cylinder epicoeles make Shang Yichong, Shang Erchong be pressed on the product always at this moment, guarantee last three towards deviating from product earlier, and then, last two qi of chong channel ascending adversely cylinders are died, and guarantee last two demouldings of dashing, up to deviating from entire product.Three flushing devices continue to move upward on the powder metallurgy die carrier, up to finishing the whole circulation process.In addition, the three flushing devices inside and outside step blended product of moulding as required on the powder metallurgy die carrier, forming process according to the control principle control magnetic valve of inside and outside step electric and dead electricity, satisfy product requirement.
When three flushing devices need be adjusted the gag lever post upper and lower position on the powder metallurgy die carrier, the unsteady stroke that unclamps on the stroke adjustment worm screw latch segment that floats is adjusted lock-screw, rotate the unsteady stroke of unsteady stroke adjustment worm screw handle drive and adjust the worm screw rotation, adjust transition gear by the stroke that floats and promote gear wheel, gear wheel drives adjusting gear, adjusting gear rotates up and down in screw, promote the upper and lower movement of gag lever post, change Shang Yichong, last two distances of rushing in into die, be used for changing the density of product.After adjusting finished, the stroke that will float was adjusted lock-screw and is tightened, and adjusted the worm screw latch segment stroke that will float by the stroke that floats and adjusted worm screw locking.
When needs are adjusted section difference adjustment gear upper and lower position, the poor section difference adjustment lock-screw of adjusting on the worm screw latch segment of the section of unclamping, rotational segment difference adjustment worm screw handle drives the rotation of section difference adjustment worm gear, promotes to adjust the upper and lower rectilinear motion of double-screw bolt.Adjustment has changed the distance between piston and the upper junction plate, to change the section difference size of moulding band step product.After adjusting finishes, the section difference is adjusted lock-screw tighten, adjust the worm screw latch segment by the section difference section difference is adjusted worm screw locking.
Reasonable in design, the compact conformation of three flushing devices on the powder metallurgy die carrier, the part of three steps above the moulding easily, adopt the stroke that floats to adjust worm screw, adjust the upper and lower position that gear mechanism is adjusted gag lever post, change Shang Yichong, last two distances of rushing in into die, be used for changing the density of product.Employing section difference is adjusted a worm screw, section section that poor adjustment worm gear is adjusted product is poor, and it is fast to regulate the speed, and easy to adjust, product step section difference is controlled easily, can the bigger product of moulding outside dimension.Three flushing devices make phenomenons such as the product of forming does not crack, cracking on the powder metallurgy die carrier, can guarantee the quality of shaped article.
Description of drawings
The utility model is described in further detail below with reference to accompanying drawing:
Fig. 1 is three flushing device structural front view on the powder metallurgy die carrier.
Fig. 2 is that the section difference of three flushing devices on Fig. 1 powder metallurgy die carrier is adjusted the B-B cutaway view.
Fig. 3 is three flushing device A-A cutaway views on Fig. 1 powder metallurgy die carrier.
Fig. 4 is that the unsteady stroke of three flushing devices on Fig. 3 powder metallurgy die carrier is adjusted transition gear C-C cutaway view.
Fig. 5 is three flushing device D-D cutaway views on Fig. 3 powder metallurgy die carrier.
Fig. 6 is three flushing device E-E cutaway views on Fig. 3 powder metallurgy die carrier.
Fig. 7 is three flushing device F-F cutaway views on Fig. 3 powder metallurgy die carrier.
Among the figure: 1, upper guide post, 2, sliding bearing one, 3, last one towards installing plate, 4, sliding bearing two, 5, last two towards installing plate, and 6, contour post, 7, gland, 8, upper junction plate, 9, guide pin bushing, 10, gear wheel, 11, the gear wheel pressing plate, 12, cylinder end caps, 13, the upper punch connecting plate, 14, the section difference is adjusted worm gear, 15, stop pin one, 16, adjust double-screw bolt, 17, stop pin two, 18, piston, 19, adjust gear one, 20, spacing gland one, 21, adjust gear two, 22, spacing gland two, 23, double-acting cylinder one, 24, double-acting cylinder two, 25, last two die head pieces, 26, last two dash the installation backing plate, 27, adjust gag lever post one, 28, adjust gag lever post two, 29, cushion block, 30, a last die head piece, 31, last one dashes the installation backing plate, 32, the section difference is adjusted worm screw, 33, the section difference is adjusted worm screw fixed support one, 34, the section difference is adjusted the position indicator support, 35, the section difference is adjusted the latch segment cushion block, 36, the section difference is adjusted worm screw latch segment, 37, the stroke that floats is adjusted transition gear, 38, the gear locating shaft, 39, the stroke that floats is adjusted the worm screw fixed support, 40, the stroke that floats is adjusted worm screw latch segment, 41, the stroke that floats is adjusted worm screw, 42, the stroke that floats is adjusted lock-screw, 43, the section difference is adjusted worm screw fixed support two, 44, the section difference is adjusted lock-screw, 45, cylinder body, 46, swivel nut.
The specific embodiment
With reference to accompanying drawing 1,2,3,4,5,6,7, three flushing devices comprise that upper punch connecting plate 13, upper guide post 1, sliding bearing 1, sliding bearing 24, upper junction plate 8, last float stroke regulating mechanism, last two towards installing plate unsteady stroke regulating mechanism and section difference regulating mechanism towards installing plate 5, cylinder, last towards installing plate towards installing plate 3, last two on the powder metallurgy die carrier.
Shang Yichong and last two comprises that towards the unsteady stroke regulating mechanism of installing plate the stroke that floats is adjusted worm screw 41, unsteady stroke is adjusted transition gear 37, gear wheel 10, gear wheel pressing plate 11, adjustment gear 1, adjusted gear 2 21, swivel nut 46, gag lever post 1 and gag lever post 2 28.Swivel nut 46 is that internal thread is directly processed on upper junction plate 8.
The section difference regulating mechanism section of comprising difference is adjusted worm screw 32, the section difference is adjusted worm gear 14 and adjusted double-screw bolt 16.
Cylinder has cylinder body 45, and cylinder body 45 is arranged in the gear wheel pressing plate 11, the piston 18 of band piston rod is housed in the cylinder body 45, is provided with three punch die tool installing holes in the bottom of piston 18, is used for installing three and dashes.The top of cylinder body 45 is equipped with cylinder end caps 12 and sealing ring is housed, the bottom of cylinder body 45 is fixed on the upper junction plate 8 by screw, guide pin bushing 9 is equipped with in the centre of upper junction plate 8, between guide pin bushing 9 and the piston 18 sealing ring is housed, and between guide pin bushing 9 and the upper junction plate 8 sealing ring is housed.Piston 18 upper ends are to adjust double-screw bolt 16; between adjustment double-screw bolt 16 and cylinder end caps 12, sealing ring is housed; adjust double-screw bolt 16 lower ends stop pin 1 is housed; insert in the piston 18 by bearing, can prevent that piston 18 from rotating, and guarantees the rectilinear motion of piston 18; adjust double-screw bolt 16 upper ends stop pin 2 17 is housed; insert in the upper punch connecting plate 13 by bearing, can prevent from adjusting double-screw bolt 16 and rotate, guarantee to adjust the rectilinear motion of double-screw bolt 16.
Contour post 6 is provided with four, and contour post 6 one ends are fixed on the upper junction plate 8 by screw, and cushion block 29 is fixed on the contour post other end; A last die head piece 30 is fixed to last one on installing plate 3 by screw, and last one dashes installation backing plate 31 is fixed on the last die head piece 30 by screw, and last one towards directly being contained in one towards backing plate 31 is installed; Last two die head pieces 25 are fixed to last two on installing plate 5 by screw, and last two dash to install backing plate 26 is fixed on the last two die head pieces 25, last two by screw and dashes and directly be contained in two towards installation backing plate 26.
Upper punch connecting plate 13 is fixed on the cylinder end caps 12 by screw, and upper punch connecting plate 13 is fixed on the cope match-plate pattern of full-automatic dry powder press by screw.
The stroke that floats is adjusted worm screw 41 and is installed on upper junction plate 8 upper surfaces by the stroke adjustment worm screw fixed support 39 that floats, the stroke that floats is housed on the worm shaft of unsteady stroke adjustment worm screw 41 adjusts worm screw latch segment 40 and unsteady stroke adjustment lock-screw 42, when adjusting lock-screw 42, the stroke that floats to adjust gag lever post 1, gag lever post 2 28 upper and lower positions when unclamping, the stroke that will float when adjust finishing is adjusted lock-screw 42 and is tightened, and adjusts worm screw latch segment 40 stroke that will float by the stroke that floats and adjusts worm screw 41 lockings.
The stroke that floats is adjusted transition gear 37 and is installed on upper junction plate 8 upper surfaces by gear locating shaft 38, the stroke that floats is adjusted transition gear 37 and is adjusted worm screw 41 engagements with unsteady stroke, opposite side and gear wheel 10 engagements, gear wheel 10 is sleeved on the gear wheel pressing plate 11, can rotate, gear wheel pressing plate 11 is fixed on upper junction plate 8 tops, be processed with swivel nut 46(internal thread on the upper junction plate 8), adjust gear 1, adjust gear 2 21 bottom spinnings in swivel nut 46, adjust gear 1, adjust gear 2 21 and gear wheel 10 engagements, gag lever post one 27 one ends are contained in two on installing plate 5, gag lever post one 27 other ends are fixed on by screw and adjust on the gear 1, spacing gland 1 is contained on upper junction plate 8 upper surfaces, and the last position of adjusting gear 1 leans on spacing gland 1 spacing; Gag lever post 2 28 1 ends are contained in one on installing plate 3, and gag lever post 2 28 other ends are fixed on by screw and adjust on the gear 2 21, and spacing gland 2 22 is contained on upper junction plate 8 upper surfaces, and the upper-lower position of adjusting gear 2 21 is spacing by spacing gland 2 22.
The section difference is adjusted worm screw 32 and is adjusted worm screw fixed support 2 43 and be installed on the cylinder end caps 12 by section difference adjustment worm screw fixed support 1, section difference, the section of being equipped with difference adjustment worm screw latch segment 36 and section poor lock-screw 44 of adjusting on the worm shaft of its stage casing difference adjustment position indicator support 34 sections of being installed in difference adjustment worm screw fixed support one 33 epimere differences adjustment worm screw 32, the poor worm screw latch segment 36 of adjusting in its stage casing is by poor the adjustment on the position indicator support 34 of section difference adjustment latch segment cushion block 35 sections of being installed in.When the section of unclamping difference is adjusted lock-screw 44, can adjust the upper and lower position of double-screw bolt 16, adjust when finishing section difference adjustment lock-screw 44 is tightened, adjust worm screw latch segment 36 by the section difference section difference is adjusted worm screw 32 lockings.The section difference is adjusted worm gear 14 and is sleeved in the cylinder end caps 12, the section difference is adjusted worm gear 14 and is directly adjusted worm screw 32 engagements with the section difference, the section difference is adjusted worm gear 14 inside and is provided with internal thread, adjust double-screw bolt 16 spinnings in the section difference is adjusted worm gear, adjusting the upper-lower position of double-screw bolt 16 fixes, last position is spacing by upper punch connecting plate 13, and upper/lower positions is spacing by cylinder end caps 12, adjusts double-screw bolt 16 straight line under the effect of stop pin 2 17 and rises, descends.
Claims (5)
1. three flushing devices on the powder metallurgy die carrier is characterized in that: comprise that upper punch connecting plate, upper guide post, sliding bearing one, sliding bearing two, upper junction plate, last one float stroke regulating mechanism, last two towards installing plate float stroke regulating mechanism and section difference regulating mechanism towards installing plate, cylinder, last one towards installing plate towards installing plate, last two;
Shang Yichong and last two comprises that towards the unsteady stroke regulating mechanism of installing plate the stroke that floats is adjusted worm screw, unsteady stroke is adjusted transition gear, gear wheel, gear wheel pressing plate, adjustment gear one, adjusted gear two, swivel nut and gag lever post one, gag lever post two;
The section difference regulating mechanism section of comprising difference is adjusted worm screw, the section difference is adjusted worm gear and adjusted double-screw bolt;
Cylinder has cylinder body, cylinder body is arranged in the gear wheel pressing plate, the piston of band piston rod is housed in the cylinder body, piston lower end is provided with three punch die tool installing holes, the pressing plate of gear wheel during cylinder body outer setting step is adjusted towards the unsteady stroke of installing plate as Shang Yichong and last two, the top of cylinder body is equipped with cylinder end caps and sealing ring is housed, the bottom of cylinder body is fixed on the upper junction plate by screw, the piston upper end is to adjust double-screw bolt, between adjustment double-screw bolt and end cap, sealing ring is housed, adjusts the double-screw bolt lower end stop pin one is housed, insert in the piston by bearing, adjust the double-screw bolt upper end stop pin two is housed, insert in the upper punch connecting plate by bearing;
The upper punch connecting plate is fixed on the cylinder end piece by screw, and the upper punch connecting plate is fixed on the cope match-plate pattern of full-automatic dry powder press by screw;
Unsteady stroke is adjusted worm screw and is installed on the upper junction plate upper surface by unsteady stroke adjustment worm screw fixed support, the stroke adjustment worm screw latch segment that floats is housed on the worm shaft of the stroke adjustment worm screw that floats reaches the stroke adjustment lock-screw that floats; The stroke that floats is adjusted transition gear and is installed on the upper junction plate upper surface by the gear locating shaft, the stroke that floats adjusts transition gear and unsteady stroke is adjusted worm engaging, opposite side and gear wheel engagement, gear wheel is sleeved on the gear wheel pressing plate, the gear wheel pressing plate is fixed on upper junction plate top, be processed with swivel nut on the upper junction plate, adjust gear one, adjust gear two bottoms difference spinning in swivel nut, adjust gear one, adjust gear two and gear wheel engagement, gag lever post one end is contained in one on installing plate, gag lever post one other end is fixed on by screw and adjusts on the gear one, gag lever post 21 ends are contained in two on installing plate, and gag lever post two other ends are fixed on by screw and adjust on the gear two;
The section difference is adjusted worm screw and is adjusted worm screw fixed support two and be installed on the cylinder end caps by section difference adjustment worm screw fixed support one, section difference, the section of being equipped with difference is adjusted worm screw latch segment and the poor lock-screw of adjusting of section on the worm shaft of section difference adjustment worm screw, the section difference is adjusted worm gear set and is contained in the cylinder end caps, the section difference is adjusted worm gear and is directly adjusted worm engaging with the section difference, the section difference is adjusted worm gear inside and is provided with internal thread, adjusts the double-screw bolt spinning in the section difference is adjusted worm gear.
2. three flushing devices on the powder metallurgy die carrier according to claim 1, it is characterized in that: guide pin bushing is equipped with in described centre at upper junction plate, between guide pin bushing and the piston sealing ring is housed, and between guide pin bushing and the upper junction plate sealing ring is housed.
3. three flushing devices on the powder metallurgy die carrier according to claim 1, it is characterized in that: described upper guide post is provided with four, and upper guide post is fixed on the upper junction plate by gland, and gland is connected by screw with upper junction plate.
4. three flushing devices on the powder metallurgy die carrier according to claim 1 is characterized in that: described section difference adjusted worm screw fixed support one and section difference and adjusted between the worm screw latch segment section of being equipped with difference and adjust position indicator support and the poor adjustment of a section latch segment cushion block.
5. three flushing devices on the powder metallurgy die carrier according to claim 1, it is characterized in that: described upper junction plate and last is equipped with double-acting cylinder towards between the installing plate; Upper junction plate and last two is equipped with double-acting cylinder towards between the installing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320178715 CN203209688U (en) | 2013-04-11 | 2013-04-11 | Upper three punching device of powder metallurgy mold base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320178715 CN203209688U (en) | 2013-04-11 | 2013-04-11 | Upper three punching device of powder metallurgy mold base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203209688U true CN203209688U (en) | 2013-09-25 |
Family
ID=49199259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320178715 Expired - Fee Related CN203209688U (en) | 2013-04-11 | 2013-04-11 | Upper three punching device of powder metallurgy mold base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203209688U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170622A (en) * | 2013-04-11 | 2013-06-26 | 南京东部精密机械有限公司 | Upper three-punch device of powder metallurgy die holder |
| CN110480005A (en) * | 2019-05-14 | 2019-11-22 | 扬州市工匠机械技术有限公司 | A kind of dry-pressing formed die carrier structure of novel powder |
-
2013
- 2013-04-11 CN CN 201320178715 patent/CN203209688U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103170622A (en) * | 2013-04-11 | 2013-06-26 | 南京东部精密机械有限公司 | Upper three-punch device of powder metallurgy die holder |
| CN110480005A (en) * | 2019-05-14 | 2019-11-22 | 扬州市工匠机械技术有限公司 | A kind of dry-pressing formed die carrier structure of novel powder |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130925 Termination date: 20170411 |
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| CF01 | Termination of patent right due to non-payment of annual fee |