CN116275033A - Die press of alloy powder pressed body - Google Patents
Die press of alloy powder pressed body Download PDFInfo
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- CN116275033A CN116275033A CN202310287596.7A CN202310287596A CN116275033A CN 116275033 A CN116275033 A CN 116275033A CN 202310287596 A CN202310287596 A CN 202310287596A CN 116275033 A CN116275033 A CN 116275033A
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- die holder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/03—Press-moulding apparatus therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/02—Compacting only
- B22F3/093—Compacting only using vibrations or friction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The utility model discloses a molding press for an alloy powder pressed body, which belongs to the technical field of molding presses and comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a lower die holder, a vibration assembly is arranged in the lower die holder, and an auxiliary air exhaust assembly is arranged at the top of the vibration assembly. According to the utility model, the upper die holder, the upper die pressing head and the guide pillar are driven to move downwards through the first hydraulic cylinder, the guide pillar firstly drives the convex block and the rectangular sliding plate to extrude the first spring, the convex block continuously enables the round wheel and the U-shaped round rod to move left and right in the downward moving process, the U-shaped round rod drives the limit sliding plate and the vibrating rod to move left and right, the side wall of the lower die is continuously knocked through the vibrating rod to vibrate, so that alloy powder is distributed in the die cavity as uniformly as possible, air in the alloy powder is conveniently discharged, the compactness of the alloy powder is increased, the alloy powder in the die cavity is compacted uniformly, and the processing precision and the service performance of a pressed body are improved.
Description
Technical Field
The utility model belongs to the technical field of molding presses, and particularly relates to a molding press for an alloy powder pressed body.
Background
In the process of manufacturing alloy powder, a molding press is needed to press and shape the alloy powder, most of the alloy powder is placed in an inner cavity of a female die, and then a power mechanism is used for driving a male die to move into the female die to press the alloy powder, so that the overall use performance of the molding press is related to the problems of quality, cost, safety, productivity and the like of alloy powder product production, and the alloy powder process and parts have extremely important influence.
As disclosed in chinese patent net (CN 214321824), a molding device for an alloy powder compact comprises a workbench, wherein two sets of servo lifting devices are symmetrically arranged at the upper part of the workbench, a mold is arranged at the upper part of the two sets of servo lifting devices, and a mold cavity is arranged on the mold; the upper part of the workbench is provided with a support column, and the upper end of the support column is provided with a lower pressure head matched with the die cavity; an upper pressing die is fixedly arranged at the upper part of the workbench and comprises a hydraulic cylinder, and an upper pressing head matched with the die cavity is arranged at the telescopic end of the hydraulic cylinder; the utility model has good use effect, slowly distributes materials layer by layer, slowly fills and fills the cavity with powder, solves the problem of follow-up compaction inadequacy caused by uneven traditional disposable filling, but the device has uneven density of different parts of powder particles in the compression molding process, which may cause partial compaction of the compacted body, thereby influencing the compression processing precision and demoulding operation of alloy powder, simultaneously, the gas in the die cavity is not discharged in time in the compression process, thereby further influencing the quality of the molded powder product, and therefore, certain improvement is needed.
Disclosure of Invention
(one) solving the technical problems
In order to overcome the defects in the prior art, the utility model provides a molding press for an alloy powder pressed body, which solves the problems that in the pressing and forming process, the density of different parts of powder particles is uneven, the pressed body is possibly not compacted locally, the pressing processing precision and demolding work of the alloy powder are influenced, and meanwhile, the gas in a mold cavity is not conveniently discharged in time in the pressing process, so that the quality of a formed powder product is further influenced.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the die press of the alloy powder pressed body comprises a bottom plate, a lower die holder is fixedly connected to the top of the bottom plate, a vibration component is arranged in the lower die holder, an auxiliary air extraction component is arranged at the top of the vibration component, an upper die holder is arranged above the lower die holder, a buffer sealing component is arranged in the upper die holder, a cleaning component is arranged on one side of the buffer sealing component, an upper die pressing head is fixedly connected to the center of the bottom of the upper die holder, a first hydraulic cylinder is fixedly connected to one side, far away from the lower die holder, of the upper die holder, a top plate is fixedly connected to the bottom of the first hydraulic cylinder, connecting columns are fixedly connected to four corners of the bottom of the top plate, and the bottom of each connecting column is fixedly connected to the top of the bottom plate;
the vibration subassembly includes two first inner chambers, and two first inner chamber symmetries set up in the inside of die holder, and the inside bottom side fixedly connected with first spring of two first inner chambers all communicates a plurality of second inner chambers, the top fixedly connected with rectangle slide of first inner chamber, the top fixedly connected with lug of rectangle slide, lug and rectangle slide all slide the inside that sets up at first inner chamber, one side of lug opposite face is provided with a plurality of round wheels, the inside rotation of round wheel is connected with U type round bar, the other end of U type round bar extends to the inside back fixedly connected with spacing slide of second inner chamber, the other end fixedly connected with vibrating rod of spacing slide, vibrating rod and spacing slide all slide the inside that sets up at the second inner chamber, the cover is equipped with the second spring on the vibrating rod, the both sides of second spring respectively with spacing slide and the inside wall fixedly connected with of die holder.
As a further aspect of the utility model:
the buffering sealing assembly comprises a third inner cavity, the third inner cavity is located in the upper die holder, a plurality of buffering springs are arranged on the top side of the inner portion of the third inner cavity, an annular plate is fixedly connected to the other side of each buffering spring, an annular block is fixedly connected to the bottom of each annular plate, and a sealing seat is fixedly connected to the other side of each annular block after the other side of each annular block extends to the outer side of the upper die holder.
As a further aspect of the utility model:
the utility model discloses a sealing device for a gas turbine engine, including upper die base, annular plate, annular block and sealing seat, annular plate, sealing seat, the inside of upper die base, the bottom fixedly connected with first gasbag of annular plate, the opposite side of first gasbag and the inside wall fixed connection of upper die base, one side intercommunication of first gasbag has the exhaust pipe, the opposite side intercommunication of first gasbag has the connecting pipe, all is provided with the check valve on connecting pipe and the exhaust pipe, and the other end of connecting pipe extends to the outside of upper die base and communicates behind the intercommunication there is the air extraction cavity, the air extraction cavity is located the inside bottom side of sealing seat, one side of air extraction cavity is the linear distribution and has a plurality of air extraction openings.
As a further aspect of the utility model:
the cleaning assembly comprises a fourth inner cavity, the fourth inner cavity is located on one side of the inside of the sealing seat, a connecting rod is connected to the fourth inner cavity in a sliding mode, one end of the connecting rod is fixedly connected with a cleaning block, one end of the connecting rod, which is far away from the cleaning block, is fixedly connected with a first sliding plate, the other side of the first sliding plate is fixedly connected with a second air bag, the other side of the second air bag is fixedly connected with the inner side wall of the sealing seat, a third spring is sleeved on the connecting rod, and two sides of the third spring are respectively fixedly connected with the first sliding plate and the inner side wall of the sealing seat.
As a further aspect of the utility model:
one side of the second air bag is communicated with an air outlet pipe, the other end of the air outlet pipe extends to the outer side of the sealing seat and then is communicated with an elastic air bag, the elastic air bag is arranged in a fifth inner cavity formed in the annular block, the top of the elastic air bag is fixedly connected with a second sliding plate, and the second sliding plate is slidably connected in the fifth inner cavity.
As a further aspect of the utility model:
the top of second sliding plate is provided with the guide arm, guide arm sliding connection is in the circular through-hole that upper die base, annular plate and annular piece were seted up, and circular through-hole is linked together with the fifth inner chamber, the equal fixedly connected with slip cap in top four corners of upper die base, the upper die base passes through slip cap sliding connection on the spliced pole.
As a further aspect of the utility model:
the upper die pressing head is arranged in the sealing seat, guide posts are arranged on two sides of the outer portion of the sealing seat, the top ends of the guide posts are fixedly connected to the bottom of the upper die base, and the guide posts and the protruding blocks are arranged on the same axis.
As a further aspect of the utility model:
one side fixedly connected with L type mount pad of die holder, one side fixedly connected with cylinder that the die holder was kept away from to L type mount pad, the output fixedly connected with feeding case of cylinder, feeding case slides and sets up on die holder and L type mount pad, and the bottom of feeding case has seted up first through-hole.
As a further aspect of the utility model:
the top four corners of die holder are all fixedly connected with fixed cover, the die holder passes through fixed cover fixed connection on the spliced pole, the inside center department of die holder is provided with the lower mould, the lower mould sets up between a plurality of vibrating bars, the inside of lower mould is provided with the die cavity, the inside bottom side fixedly connected with lower mould pressure head of die cavity, the bottom fixedly connected with second pneumatic cylinder of lower mould pressure head, the second pneumatic cylinder sets up in the inside sixth inner chamber of seting up of die holder.
As a further aspect of the utility model:
the auxiliary air extraction assembly comprises an air extraction air bag, two sides of the air extraction air bag are fixedly connected with the inner side walls of the rectangular sliding plate and the lower die base respectively, one side of the air extraction air bag is communicated with an exhaust pipe, the other side of the air extraction air bag is communicated with an exhaust pipe, check valves are arranged on the exhaust pipe and the exhaust pipe, the other end of the exhaust pipe is communicated with a channel, the channel is arranged in the lower die, and one side of the channel, away from the exhaust pipe, is provided with a filter screen.
(III) beneficial effects
Compared with the prior art, the utility model has the beneficial effects that:
1. this die press of alloy powder compact drives the upper die base through first pneumatic cylinder and moves downwards on the spliced pole, stability when having guaranteed the upper die base through the spliced pole and reciprocate, make last mould pressure head and guide pillar downwardly moving, the guide pillar can drive lug and rectangle slide downwardly moving earlier and extrude first spring, the lug can constantly make round wheel at downwardly moving's in-process, U type round bar, spacing slide and vibrating bar control and move, constantly beat the lateral wall of lower mould through the vibrating bar and vibrate for alloy powder is as far as evenly distributed in the die cavity, the air in the alloy powder of being convenient for discharge simultaneously increases its compactness, and then the alloy powder in the messenger die cavity is evenly compacted, promote the machining precision and the performance of compact.
2. This molding press of alloy powder compact, the rectangle slide can stretch the convulsions gasbag at the in-process that moves down, the convulsions gasbag can assist the extraction through exhaust column and passageway to the inside air of die cavity, the supplementary air content that has reduced the die cavity is inside, prevent to go up the air flow that the die head produced when the die cavity is inside to move down, lead to the alloy powder of die cavity inside to flow from its gap, simultaneously last die head moves down the suppression in-process, the passageway still can be through exhaust column and passageway to the inside air of die cavity extraction, be convenient for carry out the discharge to the air in the compression process, further assist the press machining precision that has improved equipment.
3. This molding press of alloy powder compact, along with last mould pressing head's continuation downwardly moving, the sealing seat can contact with the top of die holder this moment to make sealing seat, annular piece and annular board upwards move, extrude buffer spring, buffer the impact force in the mould pressing head downwardly pressing process through buffer spring and first spring, prevent to lead to causing the influence to the whole life and the use precision of equipment after long-time use.
4. This die press of alloy powder compact, when first pneumatic cylinder drives the bottom of upper die base and roof and contacts, the guide arm can enter into the circular through-hole that upper die base, annular slab and annular piece inside were offered this moment, and make the inside gas transportation of second gasbag of second sliding plate with the elasticity gasbag, make the second gasbag produce the inflation and drive connecting rod and clean the piece and move towards the direction of upward die head, clean the bottom of upper die head through the clean piece is automatic, prevent that its bottom from adhering with alloy powder, lead to the processing precision to the lower process and alloy powder compact and cause the influence, further guaranteed the machining precision and the performance of equipment.
Drawings
FIG. 1 is a schematic overall perspective view of the present utility model;
FIG. 2 is a schematic view of the overall perspective structure of the lower die holder of the present utility model;
FIG. 3 is a schematic view of the internal cross-sectional structure of the lower die holder of the present utility model;
FIG. 4 is a schematic view of the structure of the portion A of FIG. 3 in the present utility model;
FIG. 5 is a schematic view of the structure of the part B of FIG. 3 in the present utility model;
FIG. 6 is a schematic view of the upper die holder of the present utility model;
FIG. 7 is a schematic view of the internal cross-sectional structure of the upper die holder of the present utility model;
fig. 8 is a schematic view of a partial enlarged structure at C of fig. 7 in the present utility model.
In the figure: 1. a bottom plate; 2. a lower die holder; 3. a vibration assembly; 301. a first lumen; 302. a first spring; 303. a rectangular slide plate; 304. a bump; 305. a round wheel; 306. a U-shaped round rod; 307. a limit sliding plate; 308. a vibrating rod; 309. a second spring; 310. a second lumen; 4. an auxiliary air extraction assembly; 401. an air suction air bag; 402. an exhaust tube; 403. a channel; 5. an upper die holder; 6. a buffer seal assembly; 601. a third lumen; 602. a buffer spring; 603. an annular plate; 604. an annular block; 605. a sealing seat; 606. a first air bag; 607. an air draft cavity; 7. a cleaning assembly; 701. a fourth lumen; 702. a connecting rod; 703. a cleaning block; 704. a third spring; 705. a sliding plate; 706. a second air bag; 707. an air outlet pipe; 708. an elastic air bag; 709. a sliding plate; 710. a guide rod; 8. an upper die pressing head; 9. a first hydraulic cylinder; 10. a guide post; 11. a top plate; 12. a connecting column; 13. a lower die; 14. a mold cavity; 15. a lower die pressing head; 16. a second hydraulic cylinder; 17. an L-shaped mounting seat; 18. a cylinder; 19. and a feeding box.
Detailed Description
The technical scheme of the patent is further described in detail below with reference to the specific embodiments.
As shown in fig. 1-8, the present utility model provides a technical solution: the molding press for the alloy powder pressed body comprises a bottom plate 1, wherein the top of the bottom plate 1 is fixedly connected with a lower die holder 2, a vibration component 3 is arranged in the lower die holder 2, an auxiliary air extraction component 4 is arranged at the top of the vibration component 3, an upper die holder 5 is arranged above the lower die holder 2, a buffer sealing component 6 is arranged in the upper die holder 5, a cleaning component 7 is arranged on one side of the buffer sealing component 6, an upper molding head 8 is fixedly connected to the center of the bottom of the upper die holder 5, a first hydraulic cylinder 9 is fixedly connected to one side, far away from the lower die holder 2, of the upper die holder 5, a top plate 11 is fixedly connected to the bottom of the first hydraulic cylinder 9, connecting columns 12 are fixedly connected to four corners of the bottom of the top plate 11, and the bottom ends of the connecting columns 12 are fixedly connected to the top of the bottom plate 1;
the vibration assembly 3 comprises two first inner cavities 301, the two first inner cavities 301 are symmetrically arranged in the lower die holder 2, one sides, opposite to the two first inner cavities 301, of the two first inner cavities 301 are respectively communicated with a plurality of second inner cavities 310, the bottom side, inside the first inner cavities 301, of the first inner cavities 301 is fixedly connected with a first spring 302, the top of the first spring 302 is fixedly connected with a rectangular sliding plate 303, the top of the rectangular sliding plate 303 is fixedly connected with a bump 304, the bump 304 and the rectangular sliding plate 303 are respectively and slidably arranged in the first inner cavities 301, one side, opposite to the bump 304, of the two inner cavities is provided with a plurality of round wheels 305, the inside of the round wheels 305 is rotationally connected with a U-shaped round rod 306, the other ends of the U-shaped round rods 306 extend to the inside of the second inner cavities 310 and are fixedly connected with limiting sliding plates 307, the other ends of the limiting sliding plates 307 are fixedly connected with vibrating rods 308, the vibrating rods 308 and the limiting sliding plates 307 are respectively and slidably arranged in the inside of the second inner cavities 310, the vibrating rods 308 are sleeved with second springs 309, and the two sides of the second springs 309 are respectively and fixedly connected with the inner side walls of the limiting sliding plates 307 and the lower die holder 2.
The specific embodiment is as follows: the upper die holder 5 is driven to slide on the connecting column 12 by the first hydraulic cylinder 9, the stability of the upper die holder 5 in the up-and-down movement is ensured by the connecting column 12, the power is transmitted to the upper die holder 8 and the guide column 10 by utilizing the linkage effect among the upper die holder 5, the upper die holder 8 and the guide column 10 move downwards, firstly the guide column 10 is contacted with the bump 304 and drives the bump 304 to move downwards, the power is transmitted to the rectangular slide plate 303 by utilizing the linkage effect between the bump 304 and the rectangular slide plate 303, the rectangular slide plate 303 extrudes the first spring 302, the bump 304 continuously moves the round wheel 305 left and right in the downward movement process, the power is transmitted to the U-shaped round rod 306 by utilizing the linkage effect between the round wheel 305 and the U-shaped round rod 306, the U-shaped round rod 306 drives the limit slide plate 307 and the vibrating rod 308 to move left and right, the side wall of the lower die 13 is continuously knocked and vibrated through the vibrating rod 308, so that alloy powder is distributed in the die cavity 14 as uniformly as possible, air in the alloy powder is conveniently discharged, the compactness of the alloy powder is increased, the alloy powder in the die cavity 14 is uniformly compacted, the processing precision and the service performance of a pressed body are improved, after the pressing is finished, the upper die pressing head 8 is driven to move upwards through the first hydraulic cylinder 9 to reset, at the moment, the reaction force of the first spring 302 drives the rectangular sliding plate 303 and the protruding block 304 to move upwards, the protruding block 304 still drives the round wheel 305, the U-shaped round rod 306, the limiting sliding plate 307 and the vibrating rod 308 to knock the side wall of the lower die 13 in the moving process, the alloy powder pressed body in the die cavity 14 is separated from the inner side wall of the lower die 13, the demolding efficiency of the alloy powder pressed body is assisted to be improved, and then the second hydraulic cylinder 16 is started, the lower die pressing head 15 is driven to move upwards by the second hydraulic cylinder 16, and the alloy powder pressed body is rapidly discharged.
As shown in fig. 6-8, the buffer sealing assembly 6 includes a third inner cavity 601, the third inner cavity 601 is located inside the upper die holder 5, a plurality of buffer springs 602 are disposed on the top side of the inside of the third inner cavity 601, an annular plate 603 is fixedly connected to the other side of the buffer springs 602, an annular block 604 is fixedly connected to the bottom of the annular plate 603, a sealing seat 605 is fixedly connected to the outer side of the upper die holder 5 after the other side of the annular block 604 extends to the outer side of the upper die holder 5, the annular plate 603, the annular block 604 and the sealing seat 605 are all slidably connected to the inside of the upper die holder 5, a first air bag 606 is fixedly connected to the bottom of the annular plate 603, the other side of the first air bag 606 is fixedly connected to the inner side of the upper die holder 5, an exhaust pipe is communicated to one side of the first air bag 606, a connecting pipe is communicated to the other side of the first air bag 606, a one-way valve is disposed on the connecting pipe, an exhaust cavity 607 is communicated to the outer side of the upper die holder 5 after the other end of the connecting pipe extends to the other side of the upper die holder 607, the exhaust cavity 607 is located on the bottom side of the inside of the sealing seat, and one side of the exhaust cavity 607 is linearly distributed with a plurality of exhaust ports.
The specific embodiment is as follows: along with the continuous downward movement of the upper die pressing head 8, at this time, the sealing seat 605 is contacted with the top of the lower die holder 2, and the sealing seat 605 moves upwards, power is transmitted to the annular block 604 by utilizing the linkage effect between the sealing seat 605 and the annular block 604, so that the annular block 604 drives the annular plate 603 to move upwards, the buffer spring 602 is extruded, the impact force of the upper die pressing head 8 in the downward pressing process is buffered by the buffer spring 602 and the first spring 302, and the influence on the whole service life and the use precision of equipment after long-time use is prevented.
As shown in fig. 6-8, the cleaning assembly 7 comprises a fourth inner cavity 701, the fourth inner cavity 701 is positioned at one side of the inner part of the sealing seat 605, a connecting rod 702 is connected in a sliding manner in the fourth inner cavity 701, one end of the connecting rod 702 is fixedly connected with a cleaning block 703, one end of the connecting rod 702 away from the cleaning block 703 is fixedly connected with a first sliding plate 705, the other side of the first sliding plate 705 is fixedly connected with a second air bag 706, the other side of the second air bag 706 is fixedly connected with the inner side wall of the sealing seat 605, a third spring 704 is sleeved on the connecting rod 702, two sides of the third spring 704 are respectively fixedly connected with the first sliding plate 705 and the inner side wall of the sealing seat 605, one side of the second air bag 706 is communicated with an air outlet pipe 707, the other end of play tuber pipe 707 extends to the outside of sealing seat 605 and communicates behind the back has elastic air bag 708, elastic air bag 708 sets up in the inside fifth inner chamber of seting up of annular piece 604, the top fixedly connected with second sliding plate 709 of elastic air bag 708, second sliding plate 709 sliding connection is in the inside of fifth inner chamber, the top of second sliding plate 709 is provided with guide arm 710, guide arm 710 sliding connection is in the circular through-hole of upper die base 5, annular plate 603 and annular piece 604 seting up, circular through-hole is linked together with the fifth inner chamber, the top four corners of upper die base 5 all fixedly connected with slip cap, upper die base 5 passes through slip cap sliding connection on spliced pole 12.
The specific embodiment is as follows: when the first hydraulic cylinder 9 drives the upper die holder 5 to contact with the bottom of the top plate 11, at this time, the guide rod 710 will enter the circular through hole formed in the upper die holder 5, the annular plate 603 and the annular block 604, and make the second sliding plate 709 move downwards to squeeze the elastic air bag 708, the air in the elastic air bag 708 is conveyed to the inside of the second air bag 706 through the air outlet pipe 707, so that the second air bag 706 expands, when the expansion force of the air bag is greater than the elastic force of the third spring 704, the first sliding plate 705 will drive the connecting rod 702 and the cleaning block 703 to move towards the upper die pressing head 8, and the cleaning block 703 automatically cleans the bottom of the upper die pressing head 8 to prevent the alloy powder from adhering to the bottom, which results in influencing the processing precision of the next procedure and the alloy powder pressing body, and further ensures the processing precision and the usability of the device.
As shown in fig. 1-5, the upper die pressing head 8 is arranged in the sealing seat 605, the two sides of the outer part of the sealing seat 605 are both provided with guide posts 10, the top ends of the guide posts 10 are fixedly connected with the bottom of the upper die holder 5, the guide posts 10 and the convex blocks 304 are arranged on the same axis, one side of the lower die holder 2 is fixedly connected with an L-shaped mounting seat 17, one side of the L-shaped mounting seat 17 far away from the lower die holder 2 is fixedly connected with an air cylinder 18, the output end of the air cylinder 18 is fixedly connected with a feeding box 19, the feeding box 19 is arranged on the lower die holder 2 and the L-shaped mounting seat 17 in a sliding manner, the bottom of the feeding box 19 is provided with a first through hole, four corners of the top of the lower die holder 2 are fixedly connected with fixing sleeves, the lower die holder 2 is fixedly connected with a connecting post 12 through the fixing sleeves, and the center of the inner part of the lower die holder 2 is provided with a lower die 13, the lower mould 13 sets up between a plurality of vibrating bars 308, the inside of lower mould 13 is provided with die cavity 14, the inside bottom side fixedly connected with lower die pressing head 15 of die cavity 14, the bottom fixedly connected with second pneumatic cylinder 16 of lower die pressing head 15, second pneumatic cylinder 16 sets up in the inside sixth inner chamber of seting up of die holder 2, supplementary subassembly 4 of bleeding includes suction air bag 401, suction air bag 401's both sides respectively with rectangle slide 303 and the inside wall fixed connection of die holder 2, suction air bag 401's one side intercommunication has the blast pipe, suction air bag 401's opposite side intercommunication has suction tube 402, all be provided with the check valve on suction tube 402 and the blast pipe, suction tube 402's the other end intercommunication has passageway 403, passageway 403 sets up in the inside of lower mould 13, and the passageway 403 is kept away from suction tube 402's one side is provided with the filter screen.
The specific embodiment is as follows: the alloy powder is conveyed to the inside of the feeding box 19 through the feeding hole on the feeding box 19, the cylinder 18 is started, the feeding box 19 is driven to move towards the lower die 13 through the cylinder 18, the alloy powder is conveyed to the inside of the die cavity 14 through the first through hole, the rectangular sliding plate 303 stretches the air suction air bag 401 in the downward moving process, the air suction air bag 401 enables the inside of the channel 403 to be in a negative pressure state through the air suction pipe 402, the channel 403 can assist in extracting air in the die cavity 14, the air content in the die cavity 14 is assisted to be reduced, the upper die pressing head 8 is prevented from flowing when the die cavity 14 moves downwards, the alloy powder in the die cavity 14 flows out of a gap of the upper die pressing head 8, meanwhile, the channel 403 still can extract air in the die cavity 14 through the air suction pipe 402 and the channel 403 in the downward moving process, air in the pressing process is conveniently discharged, and the pressing precision of equipment is further assisted to be improved.
The working principle of the utility model is as follows: alloy powder is conveyed into the feeding box 19 through a feeding hole on the feeding box 19, a cylinder 18 is started, the feeding box 19 is driven to move towards the lower die 13 through the cylinder 18, the alloy powder is conveyed into the die cavity 14 through a first through hole, then a first hydraulic cylinder 9 is started, an upper die holder 5 is driven to move downwards on a connecting column 12 through the first hydraulic cylinder 9, power is transmitted to the upper die holder 8 and the guide column 10 by utilizing the linkage effect among the upper die holder 5, the upper die holder 8 and the guide column 10 are driven to move downwards, firstly the guide column 10 is contacted with a bump 304 and drives the bump 304 to move downwards, the power is transmitted to a rectangular slide 303 by utilizing the linkage effect between the bump 304 and the rectangular slide 303, the rectangular slide 303 extrudes a first spring 302, the bump 304 continuously moves a round wheel 305 leftwards and rightwards in the downward moving process, by utilizing the linkage effect between the round wheel 305 and the U-shaped round rod 306, power is transmitted to the U-shaped round rod 306, the U-shaped round rod 306 drives the limit sliding plate 307 and the vibrating rod 308 to move left and right, the side wall of the lower die 13 is continuously knocked and vibrated through the vibrating rod 308, meanwhile, the rectangular sliding plate 303 stretches the air suction air bag 401, the air suction air bag 401 enables the inside of the channel 403 to be in a negative pressure state through the air suction pipe 402, the channel 403 can assist in extracting air in the die cavity 14, the air content in the die cavity 14 is assisted to be reduced, along with the continuous downward movement of the upper die pressing head 8, the sealing seat 605 is contacted with the top of the lower die holder 2, the sealing seat 605 is moved upwards, the power is transmitted to the annular block 604 by utilizing the linkage effect between the sealing seat 605 and the annular block 604, the annular block 604 drives the annular plate 603 to move upwards, the buffer spring 602 is extruded, and the impact force in the downward pressing process of the upper die pressing head 8 is buffered through the buffer spring 602 and the first spring 302;
after the pressing is finished, the upper die pressing head 8 is driven to move upwards to reset through the first hydraulic cylinder 9, at the moment, the reaction force of the first spring 302 drives the rectangular sliding plate 303 and the protruding block 304 to move upwards, the protruding block 304 still drives the round wheel 305, the U-shaped round rod 306, the limiting sliding plate 307 and the vibrating rod 308 to knock the side wall of the lower die 13 in the moving process, the alloy powder pressed body in the die cavity 14 is separated from the inner side wall of the lower die 13, then the second hydraulic cylinder 16 is started, the lower die pressing head 15 is driven to move upwards through the second hydraulic cylinder 16, when the first hydraulic cylinder 9 drives the upper die base 5 to contact the bottom of the top plate 11, at the moment, the guide rod 710 enters the round through holes formed in the upper die base 5, the annular plate 603 and the annular block 604, the second sliding plate 709 moves downwards to squeeze the elastic air bag 708, the air in the elastic air bag 708 is conveyed into the second air bag 706 through the air outlet pipe 707 to expand the inner side wall of the second air bag 706, and when the expansion force of the air bag is larger than the elastic force of the third spring 704, the first sliding plate 705 drives the connecting rod 702 and the cleaning block 703 to move upwards, and the cleaning block 8 moves upwards, and the cleaning block 703 is cleaned upwards, and the bottom of the cleaning block 8 is cleaned upwards.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
While the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes may be made without departing from the spirit of the present patent within the knowledge of one of ordinary skill in the art.
Claims (10)
1. A moulding press for alloy powder compacts, comprising a base plate (1), characterized in that: the novel high-pressure air conditioner is characterized in that a lower die holder (2) is fixedly connected to the top of the bottom plate (1), a vibration assembly (3) is arranged in the lower die holder (2), an auxiliary air suction assembly (4) is arranged at the top of the vibration assembly (3), an upper die holder (5) is arranged above the lower die holder (2), a buffer sealing assembly (6) is arranged in the upper die holder (5), a cleaning assembly (7) is arranged on one side of the buffer sealing assembly (6), an upper die pressing head (8) is fixedly connected to the center of the bottom of the upper die holder (5), a first hydraulic cylinder (9) is fixedly connected to one side, far away from the lower die holder (2), of the upper die holder (5), a top plate (11) is fixedly connected to the bottom of the first hydraulic cylinder (9), connecting columns (12) are fixedly connected to four corners of the bottom of the top plate (11), and the bottom ends of the connecting columns (12) are fixedly connected to the top of the bottom plate (1).
The vibration subassembly (3) includes two first inner chambers (301), and two first inner chambers (301) symmetry sets up in the inside of die holder (2), and the inside rotation of two first inner chambers (301) is connected with a plurality of second inner chambers (310) all, the inside bottom side fixedly connected with first spring (302) of first inner chamber (301), the top fixedly connected with rectangle slide (303) of first spring (302), the top fixedly connected with lug (304) of rectangle slide (303), lug (304) and rectangle slide (303) all slide the inside that sets up in first inner chamber (301), and one side of lug (304) opposite face is provided with a plurality of round wheels (305), the inside rotation of round wheels (305) is connected with U type round bar (306), the other end of U type round bar (306) extends to inside rear fixedly connected with spacing slide (307) of second inner chamber (310), the other end fixedly connected with vibration rod (308) of spacing slide (307), vibration rod (308) and setting up in second inner chamber (307) and inside vibration rod (309) are equipped with vibration rod (309) and inside vibration rod (309) and second inner side (309) are equipped with respectively.
2. A die press for an alloy powder compact according to claim 1, wherein: the buffer sealing assembly (6) comprises a third inner cavity (601), the third inner cavity (601) is located in the upper die holder (5), a plurality of buffer springs (602) are arranged on the top side of the inner portion of the third inner cavity (601), an annular plate (603) is fixedly connected to the other side of the buffer springs (602), an annular block (604) is fixedly connected to the bottom of the annular plate (603), and a sealing seat (605) is fixedly connected to the other side of the annular block (604) after the other side of the annular block (604) extends to the outer side of the upper die holder (5).
3. A die press for an alloy powder compact according to claim 2, wherein: annular board (603), annular piece (604) and sealing seat (605) all sliding connection in the inside of upper die base (5), the bottom fixedly connected with first gasbag (606) of annular board (603), the opposite side of first gasbag (606) and the inside wall fixed connection of upper die base (5), one side intercommunication of first gasbag (606) has the exhaust pipe, the opposite side intercommunication of first gasbag (606) has the connecting pipe, and the other end of connecting pipe extends to communicate behind the outside of upper die base (5) and has updraft cavity (607), updraft cavity (607) are located the inside bottom side of sealing seat (605), one side of updraft cavity (607) is the linear distribution and has a plurality of exhaust openings.
4. A die press for an alloy powder compact according to claim 1, wherein: the cleaning assembly (7) comprises a fourth inner cavity (701), the fourth inner cavity (701) is located on one side of the inside of the sealing seat (605), a connecting rod (702) is connected to the fourth inner cavity (701) in a sliding mode, one end of the connecting rod (702) is fixedly connected with a cleaning block (703), one end of the connecting rod (702) away from the cleaning block (703) is fixedly connected with a first sliding plate (705), the other side of the first sliding plate (705) is fixedly connected with a second air bag (706), the other side of the second air bag (706) is fixedly connected with the inner side wall of the sealing seat (605), a third spring (704) is sleeved on the connecting rod (702), and two sides of the third spring (704) are respectively fixedly connected with the first sliding plate (705) and the inner side wall of the sealing seat (605).
5. A die press for an alloy powder compact as set forth in claim 4 wherein: one side of second gasbag (706) is linked together and is had tuber pipe (707), it has elasticity gasbag (708) to link up behind the outside that goes out tuber pipe (707) other end extends to seal holder (605), elasticity gasbag (708) set up in the inside fifth inner chamber of seting up of annular piece (604), the top fixedly connected with second sliding plate (709) of elasticity gasbag (708), second sliding plate (709) sliding connection is in the inside of fifth inner chamber.
6. A die press for an alloy powder compact as set forth in claim 5 wherein: the top of second sliding plate (709) is provided with guide arm (710), in circular through-hole that upper die base (5), annular plate (603) and annular piece (604) were seted up to guide arm (710) sliding connection, circular through-hole is linked together with the fifth inner chamber, the top four corners of upper die base (5) all fixedly connected with slip cap, upper die base (5) are through slip cap sliding connection on spliced pole (12).
7. A die press for an alloy powder compact according to claim 1, wherein: the upper die pressing head (8) is arranged in the sealing seat (605), guide posts (10) are arranged on two sides of the outer portion of the sealing seat (605), the top ends of the guide posts (10) are fixedly connected to the bottom of the upper die holder (5), and the guide posts (10) and the protruding blocks (304) are arranged on the same axis.
8. A die press for an alloy powder compact according to claim 1, wherein: one side fixedly connected with L type mount pad (17) of die holder (2), one side fixedly connected with cylinder (18) of die holder (2) are kept away from to L type mount pad (17), the output fixedly connected with feeding case (19) of cylinder (18), feeding case (19) slide and set up on die holder (2) and L type mount pad (17), and the bottom of feeding case (19) has seted up first through-hole.
9. A die press for an alloy powder compact according to claim 8, wherein: the die comprises a die holder (2), wherein the top four corners of the die holder (2) are fixedly connected with fixing sleeves, the die holder (2) is fixedly connected to a connecting column (12) through the fixing sleeves, a lower die (13) is arranged at the center of the inside of the die holder (2), the lower die (13) is arranged among a plurality of vibrating rods (308), a die cavity (14) is arranged in the lower die (13), a lower die pressing head (15) is fixedly connected to the bottom of the die cavity (14), a second hydraulic cylinder (16) is fixedly connected to the bottom of the lower die pressing head (15), and the second hydraulic cylinder (16) is arranged in a sixth inner cavity formed in the die holder (2).
10. A die press for an alloy powder compact according to claim 1, wherein: the auxiliary air extraction assembly (4) comprises an air extraction air bag (401), two sides of the air extraction air bag (401) are fixedly connected with the inner side walls of the rectangular sliding plate (303) and the lower die holder (2) respectively, one side of the air extraction air bag (401) is communicated with an exhaust pipe, the other side of the air extraction air bag (401) is communicated with an exhaust pipe (402), the other end of the exhaust pipe (402) is communicated with a channel (403), the channel (403) is arranged inside the lower die (13), and one side, away from the exhaust pipe (402), of the channel (403) is provided with a filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310287596.7A CN116275033A (en) | 2023-03-23 | 2023-03-23 | Die press of alloy powder pressed body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310287596.7A CN116275033A (en) | 2023-03-23 | 2023-03-23 | Die press of alloy powder pressed body |
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| Publication Number | Publication Date |
|---|---|
| CN116275033A true CN116275033A (en) | 2023-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310287596.7A Pending CN116275033A (en) | 2023-03-23 | 2023-03-23 | Die press of alloy powder pressed body |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116618667A (en) * | 2023-07-24 | 2023-08-22 | 河南工学院 | Fine treatment equipment for tungsten-cobalt alloy powder |
| CN117340245A (en) * | 2023-11-09 | 2024-01-05 | 安徽众成合金科技有限公司 | Alloy powder extrusion molding device and method based on operation feedback |
| CN117753976A (en) * | 2024-02-20 | 2024-03-26 | 都江堰市恒通磁电有限公司 | Powder auxiliary forming device for magnet production |
| CN118162620A (en) * | 2024-05-16 | 2024-06-11 | 吉林省八方新材料科技有限公司 | Powder shaping device |
| CN117340245B (en) * | 2023-11-09 | 2024-07-09 | 东莞市瑞元通粉末冶金科技有限公司 | Alloy powder extrusion molding device and method |
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2023
- 2023-03-23 CN CN202310287596.7A patent/CN116275033A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116618667A (en) * | 2023-07-24 | 2023-08-22 | 河南工学院 | Fine treatment equipment for tungsten-cobalt alloy powder |
| CN116618667B (en) * | 2023-07-24 | 2023-09-29 | 河南工学院 | Fine treatment equipment for tungsten-cobalt alloy powder |
| CN117340245A (en) * | 2023-11-09 | 2024-01-05 | 安徽众成合金科技有限公司 | Alloy powder extrusion molding device and method based on operation feedback |
| CN117340245B (en) * | 2023-11-09 | 2024-07-09 | 东莞市瑞元通粉末冶金科技有限公司 | Alloy powder extrusion molding device and method |
| CN117753976A (en) * | 2024-02-20 | 2024-03-26 | 都江堰市恒通磁电有限公司 | Powder auxiliary forming device for magnet production |
| CN117753976B (en) * | 2024-02-20 | 2024-06-18 | 都江堰市恒通磁电有限公司 | Powder auxiliary forming device for magnet production |
| CN118162620A (en) * | 2024-05-16 | 2024-06-11 | 吉林省八方新材料科技有限公司 | Powder shaping device |
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