A powder metallurgy-based press forming apparatus

Abstract

The application discloses a kind of based on powder metallurgy's press forming device, it is related to powder metallurgy technical field.This kind of based on powder metallurgy's press forming device, including operation platform and for press forming lower mould and upper die punch, the lower mould is fixed in the upper end of operation platform, the upper of operation platform is provided with lifting platform, the lifting platform is opened in mould cavity.This kind of based on powder metallurgy's press forming device in the process of powder press forming, by operating box and the cooperation of moving assembly, sliding assembly and transmission assembly, the forming processing of powder is completed, in the process of forming processing, by the sealing of operating box to powder and the setting of upper die punch in operating box, make powder in the process of filling and extruding all be in relatively sealed state, reduce the probability of not press forming powder and air contact, avoid the increase of oxygen content of powder due to contact with air, further guarantee the strength of product after forming.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of powder metallurgy, in particular to a pressing forming device based on powder metallurgy. BACKGROUND

[0002] Powder metallurgy is a process technology of preparing metal powder or using metal powder as raw material, through forming and sintering, to manufacture metal materials, composite materials and various types of products. Powder metallurgy method has similarities with the production of ceramics, and both belong to powder sintering technology, therefore, a series of new powder metallurgy technologies can also be used for the preparation of ceramic materials. Due to the advantages of powder metallurgy technology, it has become the key to solving the problem of new materials, and plays an important role in the development of new materials.

[0003] The pressing forming device is a device for pressing powder forming in the process of powder metallurgy. During the pressing forming process of the powder, the powder to be formed will be in contact with the external air before pressing, increasing the oxygen content in the powder. When the powder contains a high amount of oxygen elements, the grain boundary solid solution diffusion is obviously affected, resulting in a decrease in the strength of the formed product. SUMMARY

[0004] The purpose of the present application is to provide a pressing forming device based on powder metallurgy to solve the problems raised in the background art.

[0005] To achieve the above purpose, the present application provides the following technical scheme: a pressing forming device based on powder metallurgy, comprising an operating table, a lower die and an upper die punch for pressing forming, the lower die is fixed on the upper end of the operating table, a lifting table is arranged above the operating table, a die cavity is formed on the lifting table, the lower die is slidingly connected to the die cavity, a lifting assembly for lifting the lifting table and a guide assembly for guiding during lifting are arranged on the operating table, an operating box is arranged above the lifting table, a push plate for pushing the powder to be flattened is fixed inside the operating box, and the first operation cavity and the second operation cavity are formed inside the operating box by the partitioning effect of the push plate, the first operation cavity and the second operation cavity are communicated, the upper die punch is arranged inside the first operation cavity, and a connecting assembly for connecting the upper die punch is arranged on the first operation cavity, the operating box is arranged in abutment with the upper end of the lifting table, a moving assembly for moving the operating box is arranged on the lifting table, a sliding assembly for slidingly guiding the operating box during movement is arranged on the lifting table, a transmission assembly for transmitting power to the upper die punch is arranged on the operating table, an air extraction assembly for extracting air inside the operating box is arranged inside the second operation cavity, and a feeding assembly for feeding the inside of the second operation cavity is arranged on the operating table.

[0006] Preferably, the lifting assembly and the guiding assembly are respectively arranged on two sides of the lifting platform, the lifting assembly comprises a first fixing plate fixed on one side of the lifting platform, a threaded rod is rotatably connected to the first fixing plate, a threaded pipe is threadedly engaged with the threaded rod, one end of the threaded pipe is fixed to the upper end of the operation table, and a driving motor for driving the threaded rod is arranged on the upper end of the first fixing plate.

[0007] The guiding assembly comprises a second fixing plate fixed on one side of the lifting platform, a first sliding rod is fixed to the second fixing plate, and a first sleeve is slidably connected to the first sliding rod, one end of the first sleeve being fixed to the upper end of the operation table.

[0008] Preferably, the moving assembly comprises a third fixing plate fixed on the lifting platform, a gas cylinder is fixed to one side of the third fixing plate, and an output end of the gas cylinder is fixed to one side of the operation box.

[0009] Preferably, the sliding assembly comprises two second sleeves fixed to the third fixing plate, the two second sleeves are respectively arranged on two sides of the gas cylinder, a second sliding rod is slidably connected to the two second sleeves, and one end of the second sliding rod is fixed to one side of the operation box.

[0010] Preferably, the feeding assembly comprises an L-shaped frame fixed to the upper end of the operation table, a storage tank for storing powder is arranged on the L-shaped frame, and a conveying pipe is in communication between the storage tank and a second operation cavity of the operation box.

[0011] Preferably, the connecting assembly comprises a connecting rod slidably connected to the operation box, one end of the connecting rod is arranged in the first operation cavity and fixed to the upper die, a first spring is arranged on the outer side of the connecting rod, and both ends of the first spring are connected to the inner wall of the first operation cavity and the upper die.

[0012] Preferably, the transmission assembly comprises a fixing rod fixed to the upper end of the operation table, a top plate is fixed to one end of the fixing rod, a transmission plate is fixed to the lower end of the top plate, and first inclined surfaces for abutting and pushing one end of the connecting rod are arranged on both sides of the transmission plate.

[0013] Preferably, the air extraction assembly comprises an air extraction pipe arranged on the operation box, one end of the air extraction pipe is in communication with the inside of the second operation cavity, an air outlet pipe is arranged in communication on the air extraction pipe, a first one-way valve and a second one-way valve are arranged on the air extraction pipe and the air outlet pipe respectively, the communication directions of the first one-way valve and the second one-way valve are from the inside of the operation box to the outside of the air outlet pipe, a piston plate is slidably connected to the air extraction pipe, an extrusion assembly for extruding the piston plate is arranged on the top plate, and a reset assembly for resetting the piston plate after extrusion is arranged on the air extraction pipe.

[0014] Preferably, the reset assembly comprises a piston rod slidingly connected to one end of the exhaust pipe, one end of the piston rod is fixed with the piston plate, and the outer side of the piston rod is sleeved with a second spring.

[0015] Preferably, the extrusion assembly comprises a plurality of extrusion plates arranged and fixed at the lower end of the top plate, and each of the extrusion plates is provided with a second inclined surface on both sides for abutting and pushing the one end of the piston rod.

[0016] Compared with the prior art, the present application has the following beneficial effects:

[0017] In the process of pressing the powder, the mutual cooperation of the operation box, the moving assembly, the sliding assembly and the transmission assembly completes the forming processing of the powder. In the forming processing, the sealing of the powder by the operation box and the setting of the upper die punch in the operation box make the powder in a relatively sealed state during the filling and extrusion, thereby reducing the probability of the un-pressed powder contacting with air, avoiding the increase of the oxygen content of the powder due to the contact with air, and further ensuring the strength of the product after forming. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall shape structure of the present application;

[0019] Figure 2 It is a schematic diagram of the moving assembly and the sliding assembly structure of the present application;

[0020] Figure 3 It is a schematic diagram of the transmission assembly structure of the present application;

[0021] Figure 4 It is a schematic diagram of the lifting assembly and the guide assembly structure of the present application;

[0022] Figure 5 It is a schematic diagram of the connecting assembly, the exhaust assembly and the reset assembly structure of the present application;

[0023] Figure 6 It is a schematic diagram of the extrusion assembly structure of the present application.

[0024] In the figure: 101, operation table; 102, lower mould; 103, upper mould punch; 2, lifting table; 3, mould cavity; 4, lifting assembly; 401, first fixed plate; 402, threaded rod; 403, threaded tube; 404, driving motor; 5, guiding assembly; 501, second fixed plate; 502, first sliding rod; 503, first sleeve; 6, operation box; 601, first operation cavity; 602, second operation cavity; 7, push plate; 8, moving assembly; 801, third fixed plate; 802, air cylinder; 9, sliding assembly; 901, second sleeve; 902, second sliding rod; 10, feeding assembly; 1001, L-shaped frame; 1002, storage tank; 1003, conveying pipe; 11, connecting assembly; 1101, connecting rod; 1102, first spring; 12, transmission assembly; 1201, fixed rod; 1202, top plate; 1203, transmission plate; 1204, first inclined surface; 13, air extraction assembly; 1301, air extraction pipe; 1302, air outlet pipe; 1303, first one-way valve; 1304, second one-way valve; 1305, piston plate; 14, reset assembly; 1401, piston rod; 1402, second spring; 15, extrusion assembly; 1501, extrusion plate; 1502, second inclined surface. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative work are within the protection scope of the present application.

[0026] Please refer to Figures 1-6The application provides a technical scheme: a powder metallurgy based pressing forming device, which comprises an operating table 101, a lower die 102 and an upper die punch 103 for pressing forming, the lower die 102 is fixed at the upper end of the operating table 101, a lifting table 2 is arranged above the operating table 101, a die cavity 3 is formed in the lifting table 2, the lower die 102 is slidingly connected to the die cavity 3, a lifting assembly 4 for lifting the lifting table 2 and a guide assembly 5 for guiding during lifting are arranged on the operating table 101, an operating box 6 is arranged above the lifting table 2, a push plate 7 for pushing powder is fixed in the operating box 6, the operating box 6 is divided into a first operating cavity 601 and a second operating cavity 602 by the push plate 7, the first operating cavity 601 and the second operating cavity 602 are communicated, the upper die punch 103 is arranged in the first operating cavity 601, a connecting assembly 11 for connecting the upper die punch 103 is arranged on the first operating cavity 601, the operating box 6 is arranged in abutment with the upper end of the lifting table 2, a moving assembly 8 for moving the operating box 6 is arranged on the lifting table 2, a sliding assembly 9 for slidingly guiding the operating box 6 during movement is arranged on the lifting table 2, a transmission assembly 12 for transmitting power to the upper die punch 103 is arranged on the operating table 101, an air extraction assembly 13 for extracting air in the operating box 6 is arranged in the second operating cavity 602, and a feeding assembly 10 for feeding the second operating cavity 602 is arranged on the operating table 101; during pressing forming of the powder by the pressing forming device, the powder is formed by cooperation of the operating box 6, the moving assembly 8, the sliding assembly 9 and the transmission assembly 12, during the forming process, the powder is in a relatively sealed state during filling and extrusion by sealing of the powder by the operating box 6 and arrangement of the upper die punch 103 in the operating box 6, the probability of contact of the powder not subjected to pressing forming with air is reduced, the oxygen content of the powder caused by contact with air is avoided, and the strength of the product after forming is further ensured.

[0027] Please refer to Figure 4The lifting assembly 4 and the guiding assembly 5 are respectively located on two sides of the lifting platform 2, the lifting assembly 4 comprises a first fixed plate 401 fixed on one side of the lifting platform 2, the first fixed plate 401 is rotationally connected with a threaded rod 402, the threaded rod 402 is threadedly engaged with a threaded tube 403, one end of the threaded tube 403 is fixed with the upper end of the operation table 101, and the upper end of the first fixed plate 401 is provided with a driving motor 404 for driving the threaded rod 402; the guiding assembly 5 comprises a second fixed plate 501 fixed on one side of the lifting platform 2, the second fixed plate 501 is fixed with a first sliding rod 502, the first sliding rod 502 is slidingly connected with a first sleeve 503, and one end of the first sleeve 503 is fixed with the upper end of the operation table 101; the driving motor 404 is started, the threaded rod 402 is driven to rotate through the driving motor 404, the lifting platform 2 is driven to move through the mutual engagement transmission between the threaded rod 402 and the threaded tube 403 in the process of rotation of the threaded rod 402, and the lifting platform 2 is driven to move up and down through the guiding effect of the first sliding rod 502 and the first sleeve 503 in the process of movement of the lifting platform 2.

[0028] Please refer to Figure 2 and Figure 3 , the moving assembly 8 comprises a third fixed plate 801 fixed on the lifting platform 2, one side of the third fixed plate 801 is fixed with a pneumatic cylinder 802, and the output end of the pneumatic cylinder 802 is fixed with one side of the operation box 6; the sliding assembly 9 comprises two second sleeves 901 fixed on the third fixed plate 801, the two second sleeves 901 are respectively located on two sides of the pneumatic cylinder 802, the two second sleeves 901 are slidingly connected with a second sliding rod 902, and one end of the second sliding rod 902 is fixed with one side of the operation box 6; the pneumatic cylinder 802 is started, the operation box 6 is pulled to move on the lifting platform 2 through the pneumatic cylinder 802, and the operation box 6 moves horizontally on the lifting platform 2 through the sliding guiding effect of the two second sleeves 901 and the second sliding rod 902 in the process of movement of the operation box 6.

[0029] Please refer to Figure 1 , Figure 2 and Figure 3 , the feeding assembly 10 comprises an L-shaped frame 1001 fixed on the upper end of the operation table 101, the L-shaped frame 1001 is provided with a storage tank 1002 for storing powder, and a conveying pipe 1003 is connected between the storage tank 1002 and the second operation cavity 602 of the operation box 6; the powder in the storage tank 1002 is conveyed to the inside of the second operation cavity 602 of the operation box 6 through the conveying pipe 1003, and the inside of the second operation cavity 602 is fed and conveyed with the powder.

[0030] Please refer to Figure 5The connecting assembly 11 comprises a connecting rod 1101 slidably connected to the operation box 6, one end of the connecting rod 1101 is located inside the first operation cavity 601 and is fixed with the upper die punch 103, the outer side of the connecting rod 1101 is sleeved with a first spring 1102, and the two ends of the first spring 1102 are respectively connected with the inner wall of the first operation cavity 601 and the upper die punch 103; the upper die punch 103 is slidably connected through the connecting rod 1101, and the first spring 1102 facilitates the reset movement of the upper die punch 103 after movement.

[0031] Please refer to Figure 5 The transmission assembly 12 comprises a fixed rod 1201 fixed at the upper end of the operation table 101, one end of the fixed rod 1201 is fixed with a top plate 1202, the lower end of the top plate 1202 is fixed with a transmission plate 1203, and the two sides of the transmission plate 1203 are provided with first inclined surfaces 1204 for abutting and pushing one end of the connecting rod 1101; in the movement process of the operation box 6, the connecting rod 1101 on the operation box 6 abuts against the first inclined surface 1204 of the transmission plate 1203 on the top plate 1202, the connecting rod 1101 is pushed to move towards the inside of the first operation cavity 601 through the first inclined surface 1204, in the movement process of the connecting rod 1101, the upper die punch 103 is pushed to move downwards in the second operation cavity 602, in the movement process of the upper die punch 103, the powder in the mold cavity 3 is pressed and formed through the upper die punch 103, and the forming processing of the powder is completed.

[0032] Please refer to Figure 5The air extraction assembly 13 comprises an air extraction pipe 1301 mounted on the operation box 6, one end of the air extraction pipe 1301 is communicated with the interior of the second operation cavity 602, an air outlet pipe 1302 is mounted on the air extraction pipe 1301 in communication, a first one-way valve 1303 and a second one-way valve 1304 are respectively mounted on the air extraction pipe 1301 and the air outlet pipe 1302, the conduction direction of the first one-way valve 1303 and the second one-way valve 1304 is from the interior of the operation box 6 to the exterior of the air outlet pipe 1302, a piston plate 1305 is slidingly connected on the air extraction pipe 1301, the top plate 1202 is provided with an extrusion assembly 15 for extruding the piston plate 1305, and the air extraction pipe 1301 is provided with a reset assembly 14 for resetting the piston plate 1305 after extrusion; during the movement of the operation box 6 for powder compression molding, through transmission, the piston rod 1401 and the piston plate 1305 at one end of the piston rod 1401 are driven to reciprocate in the interior of the air extraction pipe 1301, because the conduction direction of the first one-way valve 1303 and the second one-way valve 1304 is from the interior of the operation box 6 to the exterior of the air outlet pipe 1302, through the reciprocating movement of the piston plate 1305, part of the gas in the second operation cavity 602 is sucked into the interior of the air extraction pipe 1301 and discharged from the air outlet pipe 1302 through extrusion, the interior of the second operation cavity 602 is air extracted, the gas in the interior of the operation box 6 is reduced, the oxygen removal operation of the powder is assisted, and the oxygen isolation compression molding operation of the powder is further facilitated.

[0033] Please refer to Figure 5 and Figure 6 The reset assembly 14 comprises a piston rod 1401 slidingly connected at one end of the air extraction pipe 1301, one end of the piston rod 1401 is fixed with the piston plate 1305, and the outer side of the piston rod 1401 is sleeved with a second spring 1402; the extrusion assembly 15 comprises a plurality of extrusion plates 1501 fixed in array at the lower end of the top plate 1202, and a second inclined surface 1502 for abutting and pushing one end of the piston rod 1401 is respectively formed at the two sides of each extrusion plate 1501; during the movement of the operation box 6 for powder compression molding, one end of the piston rod 1401 abuts against the second inclined surface 1502 of each extrusion plate 1501 respectively with the movement of the operation box 6, through the abutting and pushing action of the second inclined surface 1502 and the piston rod 1401 and the resetting action of the second spring 1402 of the reset assembly 14 on the piston rod 1401 after movement, the piston rod 1401 and the piston plate 1305 at one end of the piston rod 1401 are driven to reciprocate in the interior of the air extraction pipe 1301.

[0034] Working principle: during the powder pressing forming process of the pressing forming device, the powder in the storage tank 1002 is transported to the second operation cavity 602 of the operation box 6 through the conveying pipe 1003, the powder is supplied and transported in the second operation cavity 602, after the transportation is completed, the air cylinder 802 is started, the operation box 6 is pulled to move on the lifting platform 2, during the movement of the operation box 6, the operation box 6 moves horizontally on the lifting platform 2 under the sliding guide action of the two second sleeves 901 and the second slide rods 902;

[0035] During the horizontal movement of the operation box 6 on the lifting platform 2, when the second operation cavity 602 on the operation box 6 moves above the mold cavity 3, the powder in the second operation cavity 602 falls into the mold cavity 3 after being transported, and fills the inside of the mold cavity 3, and as the operation box 6 continues to move, the filled powder in the mold cavity 3 is leveled by the push plate 7 in the operation box 6, and during the movement of the operation box 6, the connecting rod 1101 on the operation box 6 abuts against the first inclined surface 1204 of the driving plate 1203 on the top plate 1202, the connecting rod 1101 is pushed to move towards the inside of the first operation cavity 601 by the first inclined surface 1204, during the movement of the connecting rod 1101, the upper die punch 103 is pushed to move downward in the second operation cavity 602, during the movement of the upper die punch 103, the powder in the mold cavity 3 is pressed and formed by the upper die punch 103, the powder forming process is completed, and during the forming process, the powder is in a relatively sealed state during the filling and extrusion process due to the sealing of the powder by the operation box 6 and the arrangement of the upper die punch 103 in the operation box 6, which reduces the probability of contact between the unpressed powder and air, avoids the increase of oxygen content of the powder due to contact with air, and further ensures the strength of the formed product;

[0036] During the movement of the operation box 6 for powder pressing forming, as the operation box 6 moves, one end of the piston rod 1401 abuts against the second inclined surface 1502 of each extrusion plate 1501, the piston rod 1401 is driven to reciprocate in the suction pipe 1301 by the abutting pushing action of the second inclined surface 1502 and the piston rod 1401 and the resetting action of the second spring 1402 on the moving piston rod 1401, and the piston plate 1305 at one end of the piston rod 1401 reciprocates in the suction pipe 1301, because the conduction directions of the first one-way valve 1303 and the second one-way valve 1304 are from the inside of the operation box 6 to the outside of the air outlet pipe 1302, part of the gas in the second operation cavity 602 is sucked into the inside of the suction pipe 1301 and discharged from the air outlet pipe 1302 by extrusion through the reciprocating movement of the piston plate 1305, the inside of the second operation cavity 602 is pumped, the gas in the operation box 6 is reduced, the oxygen removal operation of the powder is assisted, and the oxygen isolation pressing forming operation of the powder is further facilitated;

[0037] After the compression molding is completed, the driving motor 404 is started, the threaded rod 402 is driven to rotate through the driving motor 404, in the process of rotating the threaded rod 402, the lifting platform 2 is driven to move through the mutual meshing transmission between the threaded rod 402 and the threaded tube 403, in the process of moving the lifting platform 2, the stressed lifting platform 2 is lowered through the guiding effect of the first sliding rod 502 and the first sleeve tube 503, through the descending movement of the lifting platform 2 and the supporting effect of the lower mold 102, the demolding operation of the product in the mold cavity 3 after the compression molding is facilitated.

Claims

1. A powder metallurgy-based pressing and forming apparatus, comprising an operating table (101) and a lower die (102) and an upper die punch (103) for pressing and forming, wherein the lower die (102) is fixed to the upper end of the operating table (101), characterized in that: A lifting platform (2) is provided above the operating table (101). A mold cavity (3) is provided on the lifting platform (2). The lower mold (102) is slidably connected to the mold cavity (3). A lifting assembly (4) for lifting the lifting platform (2) and a guide assembly (5) for guiding the lifting process are provided on the operating table (101). An operating box (6) is provided above the lifting platform (2). A push plate (7) for pushing powder leveling is fixed inside the operating box (6). The inside of the operating box (6) is divided by the push plate (7) to form a first operating cavity (601) and a second operating cavity (602). The first operating cavity (601) and the second operating cavity (602) are connected. The upper mold punch (103) is located in the first operating cavity (601). Inside the first operating chamber (601), a connecting component (11) for connecting the upper die punch (103) is provided on the first operating chamber (601). The operating box (6) is abutted against the upper end of the lifting platform (2). A moving component (8) for moving the operating box (6) is provided on the lifting platform (2). A sliding component (9) for guiding the sliding of the operating box (6) during its movement is provided on the lifting platform (2). A transmission component (12) for driving the upper die punch (103) is provided on the operating platform (101). An air extraction component (13) for extracting air from the inside of the operating box (6) is provided inside the second operating chamber (602). A feeding component (10) for feeding material into the second operating chamber (602) is provided on the operating platform (101). The connecting assembly (11) includes a connecting rod (1101) slidably connected to the operating box (6). One end of the connecting rod (1101) is located inside the first operating cavity (601) and fixed to the upper die punch (103). A first spring (1102) is sleeved on the outside of the connecting rod (1101). The two ends of the first spring (1102) are respectively connected to the inner wall of the first operating cavity (601) and the upper die punch (103). The transmission assembly (12) includes a fixed rod (1201) fixed to the upper end of the operating table (101), a top plate (1202) fixed to one end of the fixed rod (1201), a transmission plate (1203) fixed to the lower end of the top plate (1202), and a first inclined surface (1204) for pushing against one end of the connecting rod (1101) on both sides of the transmission plate (1203). The air extraction assembly (13) includes an air extraction pipe (1301) installed on the operation box (6). One end of the air extraction pipe (1301) is connected to the interior of the second operation chamber (602). An air outlet pipe (1302) is connected to the air extraction pipe (1301). A first one-way valve (1303) and a second one-way valve (1304) are respectively installed on the air extraction pipe (1301) and the air outlet pipe (1302). The conduction direction of the second one-way valve (1303) and the second one-way valve (1304) is from the inside of the operating box (6) to the outside of the exhaust pipe (1302). A piston plate (1305) is slidably connected on the exhaust pipe (1301). A pressing assembly (15) for pressing the piston plate (1305) is provided on the top plate (1202). A reset assembly (14) for resetting the piston plate (1305) after it is pressed is provided on the exhaust pipe (1301). The reset assembly (14) includes a piston rod (1401) slidably connected to one end of the suction pipe (1301), one end of the piston rod (1401) being fixed to the piston plate (1305), and a second spring (1402) being sleeved on the outside of the piston rod (1401). The extrusion assembly (15) includes a plurality of extrusion plates (1501) arranged and fixed at the lower end of the top plate (1202), and each of the extrusion plates (1501) has a second inclined surface (1502) on both sides for pushing against one end of the piston rod (1401).

2. The powder metallurgy-based pressing and forming apparatus according to claim 1, characterized in that: The lifting assembly (4) and the guide assembly (5) are located on both sides of the lifting platform (2). The lifting assembly (4) includes a first fixing plate (401) fixed on one side of the lifting platform (2). A threaded rod (402) is rotatably connected to the first fixing plate (401). A threaded tube (403) is threadedly connected to the threaded rod (402). One end of the threaded tube (403) is fixed to the upper end of the operating table (101). A drive motor (404) for driving the threaded rod (402) is installed on the upper end of the first fixing plate (401). The guide assembly (5) includes a second fixing plate (501) fixed on one side of the lifting platform (2), a first slide rod (502) fixed on the second fixing plate (501), a first sleeve (503) slidably connected on the first slide rod (502), and one end of the first sleeve (503) fixed to the upper end of the operating table (101).

3. The powder metallurgy-based pressing and forming apparatus according to claim 1, characterized in that: The moving component (8) includes a third fixed plate (801) fixed on the lifting platform (2), and a cylinder (802) is fixed on one side of the third fixed plate (801). The output end of the cylinder (802) is fixed to one side of the operating box (6).

4. The powder metallurgy-based pressing and forming apparatus according to claim 3, characterized in that: The sliding assembly (9) includes two second sleeves (901) fixed on the third fixed plate (801). The two second sleeves (901) are located on both sides of the cylinder (802). A second slide rod (902) is slidably connected to the two second sleeves (901). One end of the second slide rod (902) is fixed to one side of the operation box (6).

5. The powder metallurgy-based pressing and forming apparatus according to claim 1, characterized in that: The feeding assembly (10) includes an L-shaped frame (1001) fixed on the upper end of the operating table (101), and a storage tank (1002) for powder storage is installed on the L-shaped frame (1001). A conveying pipe (1003) is connected between the storage tank (1002) and the second operating chamber (602) of the operating box (6).

Images