CN116275033A - Die press of alloy powder pressed body - Google Patents

Abstract

The invention discloses a molding machine for an alloy powder pressed body, which belongs to the technical field of molding machines, and comprises a bottom plate, the top of the bottom plate is fixedly connected with a lower mold base, and a vibrating assembly is arranged inside the lower mold base. The top of the vibrating assembly is provided with an auxiliary air extraction assembly. In the present invention, the first hydraulic cylinder drives the upper mold base, the upper mold pressure head and the guide post to move downward, and the guide post first drives the bump and the rectangular slide plate to squeeze the first spring, and the bump is in the process of moving downward The center will continuously move the round wheel and the U-shaped round rod left and right, so that the U-shaped round rod will drive the limit slide plate and the vibrating rod to move left and right, and the side wall of the lower mold will be continuously knocked through the vibrating rod to vibrate, so that the alloy powder is in the mold cavity. The inner part is distributed as evenly as possible, and at the same time, it is convenient to discharge the air in the alloy powder and increase its compactness, so that the alloy powder in the mold cavity is evenly compacted, and the processing accuracy and performance of the pressed body are improved.

Description

A kind of molding machine of alloy powder pressed body

technical field

The invention belongs to the technical field of molding machines, in particular to a molding machine for compacting alloy powder bodies.

Background technique

In the manufacturing process of alloy powder, it is necessary to use a molding machine to press and shape it. Most of them place the alloy powder in the inner cavity of the die, and then use the power mechanism to drive the punch to move to the inside of the die to compress the alloy powder. Therefore, the overall performance of the molding machine is related to the quality, cost, safety and productivity of the production of alloy powder products, and has an extremely important impact on the alloy powder process and parts.

Disclosed as China Patent Network (CN214321824) a molding device of an alloy powder pressed body, including a workbench, two groups of servo lifting devices are symmetrically arranged on the top of the workbench, and molds are arranged on the top of the two groups of servo lifting devices. A mold cavity is provided; 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 adapted to the mold cavity; the upper part of the workbench is fixed with an upper die, and the upper die includes a hydraulic Cylinder, the telescopic end of the hydraulic cylinder is provided with an upper pressure head adapted to the mold cavity; the upper side of the mold is provided with a feeding device, the feeding device includes a feeding cylinder, and the telescopic end of the feeding cylinder is provided with a bucket. The utility model uses The effect is good, the material is slowly distributed layer by layer, and the powder slowly fills and fills the cavity, which solves the problem of uneven subsequent pressing caused by the traditional disposable filler, but the density of different parts of the powder particles is not uniform during the pressing process of this device , may cause the compacted body to be partially uncompacted, which will affect the processing accuracy of the alloy powder and the demoulding work. At the same time, it is inconvenient to discharge the gas inside the mold cavity in time during the pressing process, resulting in further damage to the quality of the formed powder product. The impact, therefore, requires some improvement.

Contents of the invention

(1) Solved technical problems

In order to overcome the above-mentioned defects of the prior art, the present invention provides a molding machine for alloy powder compacts, which solves the problem that the density of different parts of the powder particles is not uniform during the compaction process, which may cause the compacted body to be partially uncompacted. , resulting in an impact on the processing accuracy of the alloy powder and the demoulding work. At the same time, it is inconvenient to discharge the gas inside the mold cavity in time during the pressing process, which further affects the quality of the powder product after molding.

(2) Technical solutions

In order to achieve the above object, the present invention provides the following technical solutions: a molding machine for alloy powder pressed bodies, including a bottom plate, the top of the bottom plate is fixedly connected with a lower mold base, and a vibrating assembly is arranged inside the lower mold base. The top of the vibrating assembly is provided with an auxiliary air extraction assembly, an upper mold base is provided above the lower mold base, a buffer seal assembly is provided inside the upper mold base, and a cleaning assembly is provided on one side of the buffer seal assembly , the center of the bottom of the upper mold base is fixedly connected with an upper mold pressure head, the side of the upper mold base away from the lower mold base is fixedly connected with a first hydraulic cylinder, and the bottom of the first hydraulic cylinder is fixedly connected with a top plate, The bottom four corners of the top plate are fixedly connected with connecting columns, and the bottom ends of the connecting columns are fixedly connected to the top of the bottom plate;

The vibrating assembly includes two first inner cavities, the two first inner cavities are symmetrically arranged inside the lower mold base, and the opposite sides of the two first inner cavities are communicated with a plurality of second inner cavities, the first inner cavities The inner bottom side of the inner chamber is fixedly connected with a first spring, the top of the first spring is fixedly connected with a rectangular slide plate, and the top of the rectangular slide plate is fixedly connected with a bump, and the bump and the rectangular slide plate are both slidably arranged at the second Inside the inner chamber, a plurality of round wheels are arranged on the opposite side of the protrusion, and the inside of the round wheel is connected with a U-shaped round rod for rotation, and the other end of the U-shaped round rod extends to the second inner chamber. The inside is fixedly connected with a limit slide plate, and the other end of the limit slide plate is fixedly connected with a vibrating rod. Two springs, the two sides of the second spring are fixedly connected with the limit slide plate and the inner side wall of the lower mold seat respectively.

As a further scheme of the present invention:

The buffer seal assembly includes a third inner cavity, the third inner cavity is located inside the upper mold base, a plurality of buffer springs are arranged on the inner top side of the third inner cavity, and the other side of the buffer spring is fixed An annular plate is connected, and the bottom of the annular plate is fixedly connected with an annular block, and the other side of the annular block extends to the outside of the upper mold base and is fixedly connected with a sealing seat.

As a further scheme of the present invention:

The annular plate, annular block and sealing seat are all slidably connected to the inside of the upper die base, the bottom of the annular plate is fixedly connected with a first air bag, and the other side of the first air bag is fixed to the inner side wall of the upper die base One side of the first airbag is connected with an exhaust pipe, and the other side of the first airbag is connected with a connecting pipe. Both the connecting pipe and the exhaust pipe are provided with a one-way valve, and the other end of the connecting pipe extends After connecting to the outer side of the upper mold base, there is an air suction chamber, the air suction chamber is located at the inner bottom side of the sealing seat, and one side of the air suction chamber is linearly distributed with a plurality of air suction ports.

As a further scheme of the present invention:

The cleaning assembly includes a fourth inner cavity, the fourth inner cavity is located on the inner side of the sealing seat, a connecting rod is slidably connected to the inside of the fourth inner cavity, and a cleaning block is fixedly connected to one end of the connecting rod, The end of the connecting rod 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, and the other side of the second air bag is fixed to the inner side wall of the sealing seat connected, the connecting rod is sleeved with a third spring, and the 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 scheme of the present invention:

One side of the second airbag is communicated with an air outlet pipe, and the other end of the air outlet pipe extends to the outside of the sealing seat and communicates with an elastic airbag, and the elastic airbag is arranged in the fifth inner cavity opened inside the annular block , the top of the elastic airbag is fixedly connected with a second sliding plate, and the second sliding plate is slidably connected inside the fifth inner cavity.

As a further scheme of the present invention:

The top of the second sliding plate is provided with a guide rod, and the guide rod is slidably connected in the circular through hole provided by the upper mold base, the annular plate and the annular block, and the circular through hole communicates with the fifth inner cavity, so that The top four corners of the upper mold base are fixedly connected with sliding sleeves, and the upper mold base is slidably connected to the connecting column through the sliding sleeves.

As a further scheme of the present invention:

The upper die head is arranged inside the seal seat, and guide posts are arranged on both sides of the outside of the seal seat, the top of the guide post is fixedly connected to the bottom of the upper die seat, and the guide post and the bump are arranged on the on the same axis.

As a further scheme of the present invention:

One side of the lower mold base is fixedly connected with an L-shaped mounting base, and the side of the L-shaped mounting base away from the lower mold base is fixedly connected with a cylinder, and the output end of the cylinder is fixedly connected with a feed box. The material box is slidably arranged on the lower mold base and the L-shaped mounting base, and the bottom of the feed box is provided with a first through hole.

As a further scheme of the present invention:

The top four corners of the lower mold base are fixedly connected with fixing sleeves, the lower mold base is fixedly connected to the connecting column through the fixing sleeves, the inner center of the lower mold base is provided with a lower mold, and the lower mold is arranged on Between a plurality of vibrating rods, a mold cavity is provided inside the lower mold, and a lower mold indenter is fixedly connected to the inner bottom side of the mold cavity, and a second hydraulic cylinder is fixedly connected to the bottom of the lower mold indenter. The second hydraulic cylinder is arranged in the sixth inner cavity provided inside the lower mold base.

As a further scheme of the present invention:

The auxiliary air extraction assembly includes an air extraction air bag, the two sides of the air extraction air bag are fixedly connected with the rectangular slide plate and the inner side wall of the lower mold base respectively, one side of the air extraction air bag is connected with an exhaust pipe, and the other side of the air extraction air bag One side is communicated with an exhaust pipe, the exhaust pipe and the exhaust pipe are provided with a one-way valve, and the other end of the exhaust pipe is communicated with a channel, and the channel is arranged inside the lower die, and the channel is far away from the exhaust pipe. One side of the air duct is provided with a filter screen.

(3) Beneficial effects

Compared with prior art, the beneficial effect of the present invention is:

1. The molding machine of the alloy powder pressed body drives the upper mold base to move downward on the connecting column through the first hydraulic cylinder, and ensures the stability of the upper mold base when moving up and down through the connecting column, so that the upper mold head and When the guide post moves downward, the guide post will first drive the bump and the rectangular sliding plate to move downward to squeeze the first spring. During the downward movement of the bump, the round wheel, U-shaped round rod, and limit slide plate will be continuously pressed. and the vibrating rod move left and right, and vibrate the side wall of the lower mold continuously through the vibrating rod, so that the alloy powder can be evenly distributed in the mold cavity as much as possible, and at the same time, it is convenient to discharge the air in the alloy powder and increase its compactness, thereby making the mold The alloy powder in the cavity is uniformly compacted, improving the processing accuracy and performance of the pressed body.

2. For the molding machine of the alloy powder pressed body, the rectangular slide plate will stretch the air bag during the downward movement, and the air bag will assist in extracting the air inside the mold cavity through the air pipe and the channel, which will help reduce the The air content inside the mold cavity prevents the air flow generated when the upper mold indenter moves downward inside the mold cavity, causing the alloy powder inside the mold cavity to flow out from its gap, and at the same time, the passage remains during the downward movement of the upper mold indenter. The air inside the mold cavity will be extracted through the exhaust pipe and the channel, which is convenient to discharge the gas during the pressing process, and further assists in improving the pressing precision of the equipment.

3. The molding machine of the alloy powder pressed body, with the continuous downward movement of the upper die head, the sealing seat will come into contact with the top of the lower die seat at this time, and the sealing seat, ring block and ring plate will move upwards. The buffer spring is used for extrusion, and the impact force during the downward pressing process of the upper die ram is buffered by the buffer spring and the first spring, so as to prevent the overall service life and use accuracy of the equipment from being affected after long-term use.

4. For the molding machine of the alloy powder pressed body, when the first hydraulic cylinder drives the upper mold base to contact the bottom of the top plate, the guide rod will enter the circular passage opened inside the upper mold base, the ring plate and the ring block. hole, and the second sliding plate transports the gas inside the elastic airbag to the inside of the second airbag, causing the second airbag to expand and drive the connecting rod and the cleaning block to move upward toward the molding head, and automatically press the upper molding through the cleaning block Clean the bottom of the head to prevent the alloy powder from adhering to the bottom, which will affect the processing accuracy of the next process and the alloy powder compact, further ensuring the processing accuracy and performance of the equipment.

Description of drawings

Fig. 1 is a schematic diagram of the overall three-dimensional structure of the present invention;

Fig. 2 is a schematic diagram of the overall three-dimensional structure of the lower mold base in the present invention;

Fig. 3 is a schematic diagram of the internal sectional structure of the lower mold base in the present invention;

Fig. 4 is a schematic diagram of a partially enlarged structure at A of Fig. 3 in the present invention;

Fig. 5 is a schematic diagram of a partially enlarged structure at B of Fig. 3 in the present invention;

Fig. 6 is the structural representation of die base among the present invention;

Fig. 7 is a schematic diagram of the internal sectional structure of the upper mold base in the present invention;

FIG. 8 is a schematic diagram of a partially enlarged structure at C in FIG. 7 in the present invention.

In the figure: 1, bottom plate; 2, lower mold base; 3, vibration assembly; 301, first inner cavity; 302, first spring; 303, rectangular slide plate; 304, bump; 305, round wheel; 306, U-shaped Round rod; 307, limit slide plate; 308, vibrating rod; 309, second spring; 310, second inner chamber; 4, auxiliary air extraction assembly; , upper mold base; 6, buffer sealing assembly; 601, third inner cavity; 602, buffer spring; 603, annular plate; 604, annular block; 605, sealing seat; 606, first air bag; , cleaning assembly; 701, fourth inner cavity; 702, connecting rod; 703, cleaning block; 704, third spring; 705, sliding plate; 706, second air bag; 707, air outlet pipe; 708, elastic air bag; 709 , sliding plate; 710, guide rod; 8, upper mold pressure head; 9, first hydraulic cylinder; 10, guide column; 11, top plate; 12, connecting column; 13, lower mold; 14, mold cavity; 15, lower mold pressure 16, the second hydraulic cylinder; 17, the L-shaped mounting seat; 18, the cylinder; 19, the feed box.

Detailed ways

The technical solution of this patent will be further described in detail below in conjunction with specific embodiments.

As shown together in Figures 1-8, the present invention provides a technical solution: a molding machine for an alloy powder pressed body, including a bottom plate 1, the top of the bottom plate 1 is fixedly connected with a lower mold base 2, and the interior of the lower mold base 2 is set There is a vibration assembly 3, the top of the vibration assembly 3 is provided with an auxiliary air extraction assembly 4, the top of the lower mold base 2 is provided with an upper mold base 5, the inside of the upper mold base 5 is provided with a buffer seal assembly 6, and one part of the buffer seal assembly 6 The side is provided with a cleaning assembly 7, the center of the bottom of the upper die base 5 is fixedly connected with an upper die press head 8, and the side of the upper die base 5 away from the lower die base 2 is fixedly connected with a first hydraulic cylinder 9, and the side of the upper die base 5 is fixedly connected with a first hydraulic cylinder 9. The bottom is fixedly connected with a top plate 11, and the bottom four corners of the top plate 11 are fixedly connected with connecting columns 12, and the bottom ends of the connecting columns 12 are fixedly connected with the top of the bottom plate 1;

The vibration assembly 3 includes two first inner cavities 301, the two first inner cavities 301 are symmetrically arranged inside the lower mold base 2, and the opposite sides of the two first inner cavities 301 are communicated with a plurality of second inner cavities 310, The inner bottom side of the first inner cavity 301 is fixedly connected with a first spring 302, the top of the first spring 302 is fixedly connected with a rectangular slide plate 303, and the top of the rectangular slide plate 303 is fixedly connected with a bump 304, the bump 304 and the rectangular slide plate 303 are both Slidingly arranged inside the first inner cavity 301, a plurality of round wheels 305 are arranged on the opposite side of the protruding block 304, and a U-shaped round rod 306 is connected to the inside of the round wheel 305 for rotation, and the other end of the U-shaped round rod 306 extends After reaching the inside of the second inner chamber 310, the limit slide plate 307 is fixedly connected, and the other end of the limit slide plate 307 is fixedly connected with a vibrating rod 308, and the vibrating rod 308 and the limit slide plate 307 are both slidably arranged inside the second inner cavity 310 A second spring 309 is sheathed on the vibrating rod 308 , and both sides of the second spring 309 are fixedly connected with the limit slide plate 307 and the inner side wall of the lower mold base 2 respectively.

The specific embodiment: the first hydraulic cylinder 9 drives the upper mold base 5 to slide on the connecting column 12, the stability of the upper mold base 5 when moving up and down is guaranteed by the connecting column 12, and the upper mold base 5 and the upper mold pressure head are utilized 8 and the guide post 10, the power is transmitted to the upper mold indenter 8 and the guide post 10, so that the upper die indenter 8 and the guide post 10 move downward, and first the guide post 10 will come into contact with the bump 304 , and drive the bump 304 to move downward, using the linkage effect between the bump 304 and the rectangular slide 303, the power is transmitted to the rectangular slide 303, so that the rectangular slide 303 squeezes the first spring 302, and the bump 304 In the process of moving down, the round wheel 305 will be continuously moved left and right, and the power will be transmitted to the U-shaped round bar 306 by using the linkage effect between the round wheel 305 and the U-shaped round bar 306, so that the U-shaped round bar 306 will drive the limiter. The sliding plate 307 and the vibrating rod 308 move left and right, and vibrate the side wall of the lower mold 13 through the vibrating rod 308, so that the alloy powder is distributed as evenly as possible in the mold cavity 14, and at the same time, it is convenient to discharge the air in the alloy powder, increasing Its compactness, and then make the alloy powder in the mold cavity 14 be evenly compacted, improve the processing accuracy and performance of the pressed body, after the pressing is completed, the first hydraulic cylinder 9 drives the upper die head 8 to move upward to reset, this When the reaction force of the first spring 302 will drive the rectangular slide plate 303 and the bump 304 to move upward, the bump 304 will still drive the round wheel 305, the U-shaped round bar 306, the limit slide plate 307 and the vibrating bar 308 in the process of moving. The side wall of the lower mold 13 is knocked, so that the alloy powder pressed body inside the mold cavity 14 is separated from the inner side wall of the lower mold 13, which assists in improving the demoulding efficiency of the alloy powder pressed body, and then starts the second hydraulic cylinder 16, The lower die ram 15 is driven upward by the second hydraulic cylinder 16 to quickly discharge the alloy powder compact.

As shown in Figures 6-8, the buffer seal assembly 6 includes a third inner cavity 601, the third inner cavity 601 is located inside the upper mold base 5, and a plurality of buffer springs 602 are provided on the inner top side of the third inner cavity 601, The other side of the buffer spring 602 is fixedly connected with an annular plate 603, the bottom of the annular plate 603 is fixedly connected with an annular block 604, and the other side of the annular block 604 extends to the outside of the upper mold base 5 and is fixedly connected with a sealing seat 605. 603, the annular block 604 and the sealing seat 605 are all slidably connected inside the upper mold base 5, the bottom of the annular plate 603 is fixedly connected with the first air bag 606, and the other side of the first air bag 606 is fixed to the inner side wall of the upper mold base 5 One side of the first airbag 606 is connected with an exhaust pipe, and the other side of the first airbag 606 is connected with a connecting pipe. Both the connecting pipe and the exhaust pipe are provided with check valves, and the other end of the connecting pipe extends to the upper mold. The outer side of the seat 5 is connected with an air exhaust chamber 607, which is located at the inner bottom side of the sealing seat 605, and one side of the air exhaust chamber 607 is linearly distributed with a plurality of air exhaust ports.

Specific implementation method: as the upper mold ram 8 continues to move downward, the sealing seat 605 will contact the top of the lower mold base 2 at this time, and the sealing seat 605 will move upwards. The linkage effect between them transmits the power to the ring block 604, so that the ring block 604 drives the ring plate 603 to move upward, squeezes the buffer spring 602, and presses the upper mold head 8 downward through the buffer spring 602 and the first spring 302 The impact force in the process is buffered to prevent the impact on the overall service life and accuracy of the equipment after long-term use.

As shown in Figures 6-8, the cleaning assembly 7 includes a fourth inner chamber 701, the fourth inner chamber 701 is located on the inner side of the sealing seat 605, and the inside of the fourth inner chamber 701 is slidably connected with a connecting rod 702, and the connecting rod 702 One end of the connecting rod 702 is fixedly connected with a cleaning block 703, the 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 airbag 706, and the other side of the second airbag 706 One side is fixedly connected with the inner side wall of the sealing seat 605, and the third spring 704 is sleeved on the connecting rod 702, and the 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, and the second One side of the airbag 706 communicates with an air outlet pipe 707, and the other end of the air outlet pipe 707 extends to the outside of the sealing seat 605 and communicates with an elastic airbag 708. The elastic airbag 708 is arranged in the fifth inner cavity provided inside the ring block 604. The top of the elastic airbag 708 is fixedly connected with a second sliding plate 709, the second sliding plate 709 is slidably connected to the inside of the fifth inner chamber, the top of the second sliding plate 709 is provided with a guide rod 710, and the guide rod 710 is slidably connected to the upper mold In the circular through hole provided by seat 5, annular plate 603 and annular block 604, the circular through hole is connected with the fifth inner cavity, and the four corners of the top of upper die base 5 are fixedly connected with sliding sleeves, and upper die base 5 slides The sleeve is slidably connected to the connecting post 12.

Specific embodiments: when the first hydraulic cylinder 9 drives the upper die base 5 to contact the bottom of the top plate 11, the guide rod 710 will enter the circular passage provided inside the upper die base 5, the ring plate 603 and the ring block 604. hole, and the second sliding plate 709 moves downward to squeeze the elastic airbag 708, and the gas inside the elastic airbag 708 is transported to the inside of the second airbag 706 through the air outlet pipe 707, so that the second airbag 706 is inflated, When its expansion force 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 in the direction of the upper molding head 8, and the bottom of the upper molding head 8 will be automatically cleaned by the cleaning block 703. Cleaning prevents the alloy powder from adhering to the bottom, which will affect the processing accuracy of the next process and the alloy powder compact, further ensuring the processing accuracy and performance of the equipment.

As shown in Figures 1 to 5, the upper die head 8 is arranged inside the sealing seat 605, and guide posts 10 are provided on both sides of the outer seal seat 605, and the top ends of the guide posts 10 are fixedly connected to the bottom of the upper die seat 5, The guide post 10 and the bump 304 are arranged on the same axis, and one side of the lower mold base 2 is fixedly connected with an L-shaped mounting seat 17, and the side of the L-shaped mounting base 17 away from the lower mold base 2 is fixedly connected with a cylinder 18, and the cylinder 18 The output end of the feed box 19 is fixedly connected with the feed box 19, and the feed box 19 is slidably arranged on the lower mold base 2 and the L-shaped mounting seat 17, and the bottom of the feed box 19 is provided with a first through hole, and the top four corners of the lower mold base 2 Both are fixedly connected with a fixed sleeve, the lower mold base 2 is fixedly connected on the connecting column 12 through the fixed sleeve, the inner center of the lower mold base 2 is provided with a lower mold 13, and the lower mold 13 is arranged between a plurality of vibrating rods 308. The inside of the mold 13 is provided with a mold cavity 14, and the inner bottom side of the mold cavity 14 is fixedly connected with a lower mold indenter 15, and the bottom of the lower mold indenter 15 is fixedly connected with a second hydraulic cylinder 16, and the second hydraulic cylinder 16 is arranged on the lower mold base 2 In the sixth inner cavity opened inside, the auxiliary air extraction assembly 4 includes an air extraction air bag 401, the two sides of the air extraction air bag 401 are respectively fixedly connected with the inner side wall of the rectangular slide plate 303 and the lower mold base 2, and one side of the air extraction air bag 401 is connected with a row The air pipe, the other side of the suction airbag 401 is connected with a suction pipe 402, the suction pipe 402 and the exhaust pipe are both provided with a one-way valve, the other end of the suction pipe 402 is connected with a channel 403, and the channel 403 is arranged on the lower mold 13, and the side of the channel 403 away from the exhaust pipe 402 is provided with a filter.

The specific implementation method: the alloy powder is transported to the inside of the feed box 19 through the feed port on the feed box 19, the cylinder 18 is started, and the cylinder 18 drives the feed box 19 to move in the direction of the lower die 13, and the alloy The powder is conveyed to the inside of the mold cavity 14 through the first through hole, and the rectangular slide 303 will stretch the air bag 401 during the downward movement, and the air bag 401 will pass through the air pipe 402 to make the inside of the channel 403 negative pressure state, the channel 403 will assist the air inside the cavity 14 to assist in reducing the air content inside the cavity 14, and prevent the air flow generated when the upper die head 8 moves downward inside the cavity 14, causing the cavity 14 The alloy powder inside flows out from the gap, and at the same time, during the pressing process of the upper mold head 8 moving down, the channel 403 will still extract the air inside the mold cavity 14 through the air duct 402 and the channel 403, which is convenient for the air to be discharged during the pressing process. Discharging further assists in improving the pressing precision of the equipment.

The working principle of the present invention is: the alloy powder is transported to the inside of the feed box 19 through the feed port on the feed box 19, the cylinder 18 is activated, and the cylinder 18 drives the feed box 19 to move in the direction of the lower die 13 , transport the alloy powder to the inside of the mold cavity 14 through the first through hole, then start the first hydraulic cylinder 9, and drive the upper mold base 5 to move downward on the connecting column 12 through the first hydraulic cylinder 9, and use the upper mold base 5. The linkage effect between the upper die indenter 8 and the guide post 10 transmits the power to the upper die indenter 8 and the guide post 10, so that the upper die indenter 8 and the guide post 10 move downward. The bumps 304 come into contact and drive the bumps 304 to move downwards. Using the linkage effect between the bumps 304 and the rectangular sliding plate 303, the power is transmitted to the rectangular sliding plate 303, so that the rectangular sliding plate 303 squeezes the first spring 302 , the bump 304 will continuously move the round wheel 305 left and right in the process of moving downward, using the linkage effect between the round wheel 305 and the U-shaped round rod 306 to transmit power to the U-shaped round rod 306, so that the U-shaped The round rod 306 drives the limit slide plate 307 and the vibrating rod 308 to move left and right, and vibrates the side wall of the lower mold 13 through the vibrating rod 308. At the same time, the rectangular sliding plate 303 will stretch the air bag 401, and the air bag 401 will pass through The exhaust pipe 402 makes the interior of the channel 403 in a negative pressure state, and the channel 403 will assist the air in the cavity 14 to help reduce the air content in the cavity 14. With the continuous downward movement of the upper mold head 8 , at this time, the sealing seat 605 will come into contact with the top of the lower mold base 2, and the sealing seat 605 will move upwards, and the power will be transmitted to the annular block 604 by using 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, squeezes the buffer spring 602, and buffers the impact force during the downward pressing process of the upper die ram 8 through the buffer spring 602 and the first spring 302;

After the pressing is completed, the first hydraulic cylinder 9 drives the upper die head 8 to move upwards for reset, and the reaction force of the first spring 302 will drive the rectangular slide plate 303 and the bump 304 to move upward, and the bump 304 is in the process of moving Still can drive round wheel 305, U-shaped round rod 306, limit slide plate 307 and vibrating bar 308 to knock the side wall of lower die 13, make the alloy powder pressed body inside die cavity 14 and the inner side wall of lower die 13 Disengage, then start the second hydraulic cylinder 16, drive the lower die head 15 to move upward 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, the guide rod 710 will now Enter the circular through hole provided inside the upper mold base 5, the annular plate 603 and the annular block 604, and make the second sliding plate 709 move downward to squeeze the elastic air bag 708, and the gas inside the elastic air bag 708 will pass through the outlet The air duct 707 is conveyed to the inside of the second air bag 706 to cause the second air bag 706 to expand. When the expansion force 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 press upward. The direction of the head 8 is moved, and the bottom of the upper molding head 8 is automatically cleaned automatically by the cleaning block 703 .

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it may be mechanically connected or electrically connected; it may be directly connected or indirectly connected through an intermediary, and it may be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention based on specific situations.

The preferred implementation of this patent has been described in detail above, but this patent is not limited to the above-mentioned implementation. Within the scope of knowledge of those of ordinary skill in the art, various implementations can be made without departing from the purpose of this patent. kind of change.

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.

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