Iron powder forming equipment for powder metallurgy

Abstract

The invention relates to the technical field of powder forming, and provides iron powder forming equipment for powder metallurgy, which comprises an equipment frame, an iron powder storage box and a top frame, the iron powder storage box is arranged on the surface of the equipment frame, the top frame is fixed on the top of the equipment frame, and a forming cleaning assembly is arranged in the top frame. The feeding assembly is arranged between the iron powder storage box and the equipment frame, the inner frame is fixed to the inner side of the equipment frame, the forming and discharging assembly is arranged between the equipment frame and the inner frame, and the feeding assembly comprises a pair of first sliding rails. By means of the technical scheme, the problems that in the related technology, the mode of distributing materials into a forming die base is single, materials need to be evenly distributed manually, workers need to conduct probing operation, castings can be lifted upwards after forming and need to be manually taken out after lifting, iron powder residues exist on the surfaces, cleaning is inconvenient, and the production efficiency is high are solved. And the problems that the cleaning function is not achieved, residues exist in the die holder after multiple times of machining, and the interior is difficult to clean are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of powder forming, and in particular to an iron powder forming device for powder metallurgy. Background Art

[0002] Powder metallurgy forming is one of the basic processes in powder metallurgy production. Its purpose is to pressurize loose (metal, ceramic, or other material) powder in a mold into a semi-finished product with a predetermined geometry, size, density, and strength, and then demold the semi-finished blank. The semi-finished product needs to undergo at least a subsequent sintering process to become a finished product. When making gears through powder metallurgy, it has the advantages of fewer manufacturing processes, no need for boring and milling of tooth grooves, high material utilization, and high density controllability. The existing powder metallurgy forming device has the following disadvantages: 1. The method of distributing materials into the forming die is relatively simple, and the materials need to be evenly distributed manually, and workers need to reach in to operate; 2. After forming, the casting will be lifted up, and the casting needs to be taken out manually after lifting, resulting in iron powder residue on the surface, which is inconvenient to clean; 3. It does not have a cleaning function. After multiple processing, there will be residues in the die base, which is difficult to clean inside, resulting in too long equipment stagnation time, and the cleaning process will be dangerous, which needs to be improved. Summary of the invention

[0003] The present invention proposes an iron powder molding device for powder metallurgy, which solves the problem in the related art that the method of distributing materials into the molding die base is relatively single, and the materials need to be evenly distributed manually, and workers need to reach in to operate. After molding, the casting will be lifted upward, and the casting needs to be manually taken out after lifting, resulting in iron powder residue on the surface, which is inconvenient to clean, and has no cleaning function. After multiple processing, there will be residues in the die base, which makes it difficult to clean the inside.

[0004] The technical solution of the present invention is as follows: An equipment frame, an iron powder storage box and a top frame, wherein the iron powder storage box is arranged on the surface of the equipment frame, and the top frame is fixed on the top of the equipment frame; A molding and cleaning assembly, wherein the molding and cleaning assembly is disposed in the top frame; A feeding assembly, the feeding assembly being arranged between the iron powder storage box and the equipment frame; A pair of inner frames and a molding and discharging assembly, wherein the inner frames are fixed to the inner side of the equipment frame, and the molding and discharging assembly is arranged between the equipment frame and the inner frames; The feeding assembly includes a pair of first slide rails, the first slide rails are arranged on the top of the equipment frame, the iron powder storage box is slidably connected to the first slide rails, a groove is opened on the top of the equipment frame, a first lead screw is arranged in the groove, the first lead screw is controlled to rotate by a motor, the bottom of the iron powder storage box is connected to the first lead screw by threaded cooperation, and a discharge pipe is arranged at the lower end of the side surface of the iron powder storage box.

[0005] As a further technical solution, the discharge pipe is connected to the inside of the iron powder storage box, the lower end surface of the discharge pipe is slidably fitted with the surface of the equipment frame, a guide frame is provided on the side surface of the iron powder storage box, and a movable frame is slidably connected to the guide frame.

[0006] As a further technical solution, a driving motor is provided on the outside of the equipment frame, a cam is provided on the output end of the driving motor, a pair of sliding rods are provided on the side surface of the moving frame, the sliding rods are slidably fitted with the cams, springs are provided at both ends of the guide frame, a pushing rod is provided on the side surface of the moving frame, and the pushing rod is located in the discharge pipe.

[0007] As a further technical solution, the molding and discharging assembly includes a molding die base, which is rotatably connected between the inner frame and the two sides of the equipment frame through a rotating shaft. A second motor is provided on the side surface of the equipment frame, and a transmission gear is provided at the output end of the second motor and one end of the rotating shaft of the molding die base.

[0008] As a further technical solution, a pair of bottom grooves are provided at the bottom of the forming mold base, telescopic cylinders are provided on both sides of the equipment frame, limit blocks are provided at the output ends of the telescopic cylinders, and load-bearing seats are provided on both side surfaces of the equipment frame, and the load-bearing seats are slidably fitted with the bottom surfaces of the limit blocks.

[0009] As a further technical solution, the molding and cleaning assembly includes a pair of second slide rails, which are arranged on both sides of the top frame. The second slide rails are slidably connected to the top seat. A second lead screw is arranged in the top frame, and the second lead screw is controlled to rotate by a motor.

[0010] As a further technical solution, the second lead screw is connected to the top seat through threaded cooperation, a hydraulic cylinder is arranged at the bottom of the top seat, an extrusion die seat is arranged at the output end of the hydraulic cylinder, and a plurality of telescopic rods are arranged between the surface of the extrusion die seat and the top seat.

[0011] As a further technical solution, a fixed frame is provided at the bottom of the top seat, a second cylinder is provided in the fixed frame, an output end of the second cylinder is connected to an air collecting hood, a dust suction fan is provided on the surface of the air collecting hood, a filter collection box is provided in the fixed frame, and the filter collection box is connected to the air outlet end of the dust suction fan.

[0012] As a further technical solution, the suction end of the dust suction fan is connected to the air collecting hood, a plurality of dust collecting holes are opened around the bottom surface of the air collecting hood, an air pipe is arranged in the air collecting hood, the upper end of the air pipe is movably mounted on the bottom surface of the fixed frame, and an air nozzle is arranged at the lower end of the air pipe.

[0013] As a further technical solution, the surface of the air collecting hood located at the dust collecting hole is an inclined structural surface, and a feed hopper is provided on the upper end of the side surface of the forming mold base. The feed hopper and the upper end surface of the forming mold base are located in the same plane as the surface of the equipment frame.

[0014] The working principle and beneficial effects of the present invention are: 1. The present invention is provided with a feeding assembly, which can control the linear movement of the iron powder storage box through the interaction of the first screw, the discharge pipe, the movable frame, the driving motor, the cam, the sliding rod and the push rod. During the discharge process, the iron powder can be continuously stirred so that the iron powder can smoothly enter the forming die base without blocking, and the complicated process of manual operation is omitted.

[0015] 2. The present invention is provided with a molding and discharging assembly. Through the interaction of the molding die base, transmission gear, telescopic cylinder, limit block and load-bearing seat and other structures, the rotation angle of the molding die base can be controlled, the iron powder can be quickly distributed, and it can be rotated to 90° to quickly discharge the material outward, making it convenient to take out the parts.

[0016] 3. The present invention is provided with a molding cleaning assembly. Through the interaction of structures such as the top seat, the second screw, the hydraulic cylinder, the second air cylinder, the air collecting hood, the dust suction fan, the filter collection box and the air nozzle, the air collecting hood can enter the molding die base, and the internal residue can be quickly cleaned by the cooperation of blowing and suction. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0018] Figure 1 It is a schematic diagram of the structure of the present invention; Figure 2 This is an axonometric diagram of the present invention; Figure 3 It is an axonometric view from another perspective of the present invention; Figure 4 It is an axonometric cross-sectional view of the present invention; Figure 5 It is an axonometric cross-sectional view from another perspective of the present invention; Figure 6 The present invention is attached Figure 4 A partial enlarged view of part A; Figure 7 The present invention is attached Figure 5 A partial enlarged view of part B; In the figure: 1, equipment frame; 2, iron powder storage box; 3, top frame; 4, inner frame; 5, feeding assembly; 5-1, first slide rail; 5-2, groove; 5-3, first lead screw; 5-4, discharge pipe; 5-5, guide frame; 5-6, mobile frame; 5-7, drive motor; 5-8, cam; 5-9, slide bar; 5-10, spring; 5-11, push rod; 6, molding discharge assembly; 6-1, molding die base; 6-2, second motor; 6-3, transmission gear; 6-4, Bottom trough; 6-5, telescopic cylinder; 6-6, limit block; 6-7, load-bearing seat; 7, molding and cleaning assembly; 7-1, second slide rail; 7-2, top seat; 7-3, second lead screw; 7-4, hydraulic cylinder; 7-5, extrusion die base; 7-6, telescopic rod; 7-7, fixed frame; 7-8, second cylinder; 7-9, air collecting hood; 7-10, dust suction fan; 7-11, filter collection box; 7-12, dust collecting hole; 7-13, air pipe; 7-14, air nozzle; 8, feed hopper. DETAILED DESCRIPTION

[0019] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] like Figure 1 to Figure 7 As shown, this embodiment provides an iron powder forming device for powder metallurgy, comprising: An equipment frame 1, an iron powder storage box 2 and a top frame 3, wherein the iron powder storage box 2 is arranged on the surface of the equipment frame 1, and the top frame 3 is fixed on the top of the equipment frame 1; A molding and cleaning component 7, wherein the molding and cleaning component 7 is arranged in the top frame 3; A feeding assembly 5, which is arranged between the iron powder storage box 2 and the equipment frame 1; A pair of inner frames 4 and a molding and discharging assembly 6, wherein the inner frames 4 are fixed to the inner side of the equipment frame 1, and the molding and discharging assembly 6 is arranged between the equipment frame 1 and the inner frames 4; The feeding assembly 5 includes a pair of first slide rails 5-1, the first slide rails 5-1 are arranged on the top of the equipment frame 1, the iron powder storage box 2 is slidably connected to the first slide rails 5-1, a groove 5-2 is opened on the top of the equipment frame 1, a first screw 5-3 is arranged in the groove 5-2, the first screw 5-3 is controlled to rotate by a motor, the bottom of the iron powder storage box 2 is connected to the first screw 5-3 by threaded cooperation, and a discharge pipe 5-4 is arranged at the lower end of the side surface of the iron powder storage box 2, and the discharge pipe 5-4 is connected to the inside of the iron powder storage box 2. It is slidingly fitted with the surface of the equipment frame 1, and a guide frame 5-5 is arranged on the side surface of the iron powder storage box 2. A movable frame 5-6 is slidably connected to the guide frame 5-5. A driving motor 5-7 is arranged on the outer side of the equipment frame 1. A cam 5-8 is arranged at the output end of the driving motor 5-7. A pair of sliding rods 5-9 are arranged on the side surface of the movable frame 5-6. The sliding rods 5-9 are slidingly fitted with the cam 5-8. Springs 5-10 are installed at both ends of the guide frame 5-5. A pushing rod 5-11 is arranged on the side surface of the movable frame 5-6, and the pushing rod 5-11 is located in the discharge pipe 5-4.

[0021] In the present embodiment, in order to achieve the effect of rapid feeding, a feeding assembly 5 is designed, two first slide rails 5-1 are arranged on the top of the equipment frame 1, the iron powder storage box 2 is slidably connected to the first slide rails 5-1, a groove 5-2 is opened on the top of the equipment frame 1 and a first lead screw 5-3 is arranged, the first lead screw 5-3 is connected to the bottom of the iron powder storage box 2, and the iron powder storage box 2 can be controlled by the first lead screw 5-3 to move linearly on the first slide rail 5-1, and a discharge pipe 5-4 is arranged at the lower end of one side of the iron powder storage box 2, the lower end face of the discharge pipe 5-4 is slidably fitted with the surface of the equipment frame 1, and the discharge pipe 5-4 is blocked by the surface of the equipment frame 1. When the discharge pipe When the guide 5-4 moves to the outside, the material can be discharged. A guide frame 5-5 is arranged on the outside of the iron powder storage box 2 and is slidably connected with a moving frame 5-6. A driving motor 5-7 is also fixed thereto. A cam 5-8 is arranged at the output end of the driving motor 5-7. Two sliding bars 5-9 are arranged on the side surface of the moving frame 5-6. When the cam 5-8 rotates, it can fit with the surface of the sliding bar 5-9 and push the two sliding bars 5-9 to both sides respectively, so that the moving frame 5-6 can achieve the effect of shaking left and right. A pushing rod 5-11 is arranged on the inner side of the moving frame 5-6. The pushing rod 5-11 is located in the discharge pipe 5-4, and can continuously stir the iron powder so that the iron powder will not be blocked when being discharged and can maintain smoothness.

[0022] Furthermore, the molding and discharging component 6 includes a molding die base 6-1, which is rotatably connected between the inner frame 4 and the two sides of the equipment frame 1 through a rotating shaft. A second motor 6-2 is arranged on the side surface of the equipment frame 1, and a transmission gear 6-3 is arranged on the output end of the second motor 6-2 and one end of the rotating shaft of the molding die base 6-1. A pair of bottom grooves 6-4 are opened at the bottom of the molding die base 6-1, and telescopic cylinders 6-5 are arranged on both sides of the equipment frame 1. A limit block 6-6 is arranged at the output end of the telescopic cylinder 6-5. A load-bearing seat 6-7 is arranged on both side surfaces of the equipment frame 1, and the load-bearing seat 6-7 slides and fits with the bottom surface of the limit block 6-6.

[0023] In this embodiment, in order to achieve the effect of quickly discharging the molded casting, a molding discharging component 6 is designed. A molding die base 6-1 is rotatably connected between the inner frame 4 and the equipment frame 1, which is used to collect iron powder and shape it after extrusion, and can push the casting outward. A second motor 6-2 is arranged on the outside of the equipment frame 1, and a transmission gear 6-3 is arranged on the output end of the second motor 6-2 and one end of the rotating shaft of the molding die base 6-1. The molding die base 6-1 can be controlled by the second motor 6-2 to rotate 90°. When it reaches 90°, the casting can be pushed outward. It is pushed out and falls on the surface of the equipment frame 1, and can also be tilted at a low angle to evenly distribute the incoming iron powder. Bottom grooves 6-4 are provided at both ends of the bottom of the forming die base 6-1, and telescopic cylinders 6-5 are provided on both sides of the equipment frame 1. Limit blocks 6-6 are provided at the output ends of the telescopic cylinders 6-5 and are inserted in the bottom grooves 6-4. Load-bearing seats 6-7 are also provided on both sides of the equipment frame 1, which can cooperate with the limit blocks 6-6 to support the bottom of the forming die base 6-1, so that the forming die base 6-1 has a stable load-bearing effect and will not affect the rotating connection.

[0024] Furthermore, the molding cleaning assembly 7 includes a pair of second slide rails 7-1, the second slide rails 7-1 are arranged on both sides of the top frame 3, the second slide rails 7-1 are slidably connected with a top seat 7-2, a second lead screw 7-3 is arranged in the top frame 3, the second lead screw 7-3 is controlled to rotate by a motor, the second lead screw 7-3 is connected to the top seat 7-2 by threaded cooperation, a hydraulic cylinder 7-4 is arranged at the bottom of the top seat 7-2, an extrusion die seat 7-5 is arranged at the output end of the hydraulic cylinder 7-4, a plurality of telescopic rods 7-6 are arranged between the surface of the extrusion die seat 7-5 and the top seat 7-2, a fixed frame 7-7 is arranged at the bottom of the top seat 7-2, and the fixed frame 7- A second cylinder 7-8 is arranged in 7, and the output end of the second cylinder 7-8 is connected to an air collecting hood 7-9, and a dust collecting fan 7-10 is arranged on the surface of the air collecting hood 7-9, and a filter collecting box 7-11 is arranged in the fixed frame 7-7, and the filter collecting box 7-11 is connected with the air outlet end of the dust collecting fan 7-10, and the suction end of the dust collecting fan 7-10 is connected with the air collecting hood 7-9, and a plurality of dust collecting holes 7-12 are opened around the bottom surface of the air collecting hood 7-9, and an air pipe 7-13 is arranged in the air collecting hood 7-9, and the upper end of the air pipe 7-13 is movably mounted on the bottom surface of the fixed frame 7-7, and the lower end of the air pipe 7-13 is provided with an air nozzle 7-14.

[0025] In this embodiment, in order to achieve the effects of extrusion molding and cleaning, a molding cleaning component 7 is designed. Two second slide rails 7-1 and a second lead screw 7-3 are arranged inside the top frame 3. A top seat 7-2 is connected to the second slide rail 7-1 and the second lead screw 7-3. The top seat 7-2 can be controlled to move linearly by the second lead screw 7-3. A hydraulic cylinder 7-4 and a telescopic rod 7-6 are arranged at the bottom of the top seat 7-2, and an extrusion die seat 7-5 is connected at the output end for entering the molding die seat 6-1 for extrusion molding. A fixed frame 7-7 is arranged at the bottom of the top seat 7-2. A filter collection box 7-11 and a second cylinder 7-8 are installed inside the fixed frame 7-7. The second cylinder 7 -8 An air collecting hood 7-9 is provided at the output end, a dust suction fan 7-10 is provided on the top of the air collecting hood 7-9, the dust suction fan 7-10 is connected to the filter collection box 7-11, the suction end of the dust suction fan 7-10 is connected to the air collecting hood 7-9, and dust collecting holes 7-12 are provided around the bottom surface of the air collecting hood 7-9, which can generate suction force in conjunction with the dust suction fan 7-10, and the powder in the forming mold base 6-1 can be collected and discharged into the filter collection box 7-11 by the suction force. An air pipe 7-13 and an air nozzle 7-14 are provided in the air collecting hood 7-9, and the air pipe 7-13 can be connected to an air pump device, so that the air nozzle 7-14 can generate high-pressure gas, which can blow the powder in the forming mold base 6-1 to facilitate dust collection.

[0026] Furthermore, the surface of the air collecting hood 7-9 located at the dust collecting hole 7-12 is an inclined structural surface, and a feed hopper 8 is provided on the upper end of the side surface of the forming mold base 6-1. The feed hopper 8 and the upper end surface of the forming mold base 6-1 are located in the same plane as the surface of the equipment frame 1.

[0027] In this embodiment, the dust collecting holes 7-12 are inclined at an angle through the inclined structural surface, so that the powder can be better sucked in. The feed hopper 8 is provided to facilitate receiving the incoming iron powder and reduce the floating of the powder.

[0028] When processing is needed, iron powder is put into the iron powder storage box 2, the first screw 5-3 is started to control the box to move forward, the discharge pipe 5-4 is moved to above the feed hopper 8, and the drive motor 5-7 is started to cooperate with the slide bar 5-9 through the cam 5-8, so that the push rod 5-11 repeatedly pushes the iron powder. After all the iron powder is put into the iron powder storage box 2, the iron powder storage box 2 is quickly reset, and then the second motor 6-2 is started, and the forming die base 6-1 is driven to tilt slightly outward through the transmission gear 6-3, so that the internal iron powder is evenly distributed by tilting. After resetting, the hydraulic cylinder 7-4 is started to control the extrusion die base 7-5 to enter the forming die base 6-1 for extrusion molding. After molding, it is reset and the first motor 6-2 is started again. The second motor 6-2 controls the forming die base 6-1 to rotate outward 90°, and then starts the forming die base 6-1 to push the formed workpiece outward and drop it on the surface of the equipment frame 1. After resetting, the iron powder can be squeezed again. When cleaning is needed, start the second four cylinders, control the movement of the top seat 7-2, move the air collecting hood 7-9 to the top of the forming die base 6-1, start the second cylinder 7-8 to control the air collecting hood 7-9 to descend into the forming die base 6-1, open the air nozzle 7-14 to spray, blow up the iron powder, and start the dust collecting fan 7-10 at the same time, so that the dust collecting hole 7-12 on the bottom of the air collecting hood 7-9 generates suction, and the powder is sucked into the filter collection box 7-11.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An iron powder forming device for powder metallurgy, characterized in that: include An equipment frame (1), an iron powder storage box (2) and a top frame (3), wherein the iron powder storage box (2) is arranged on the surface of the equipment frame (1), and the top frame (3) is fixed on the top of the equipment frame (1); A molding and cleaning component (7), wherein the molding and cleaning component (7) is arranged in the top frame (3); A feeding assembly (5), wherein the feeding assembly (5) is arranged between the iron powder storage box (2) and the equipment frame (1); A pair of inner frames (4) and a molding and discharging assembly (6), wherein the inner frames (4) are fixed to the inner side of the equipment frame (1), and the molding and discharging assembly (6) is arranged between the equipment frame (1) and the inner frames (4); The feeding assembly (5) comprises a pair of first slide rails (5-1), wherein the first slide rails (5-1) are arranged on the top of the equipment frame (1), the iron powder storage box (2) is slidably connected to the first slide rails (5-1), a groove (5-2) is provided on the top of the equipment frame (1), a first lead screw (5-3) is provided in the groove (5-2), the first lead screw (5-3) is controlled to rotate by a motor, the bottom of the iron powder storage box (2) is connected to the first lead screw (5-3) by threaded engagement, and a discharge pipe (5-4) is provided at the lower end of the side surface of the iron powder storage box (2).

2. The iron powder forming equipment for powder metallurgy according to claim 1, characterized in that: The discharge pipe (5-4) is connected to the inside of the iron powder storage box (2), the lower end surface of the discharge pipe (5-4) is slidably fitted with the surface of the equipment frame (1), and a guide frame (5-5) is provided on the side surface of the iron powder storage box (2), and a movable frame (5-6) is slidably connected to the guide frame (5-5).

3. The iron powder forming equipment for powder metallurgy according to claim 2, characterized in that: A driving motor (5-7) is arranged on the outside of the equipment frame (1), a cam (5-8) is arranged on the output end of the driving motor (5-7), a pair of sliding rods (5-9) are arranged on the side surface of the moving frame (5-6), the sliding rods (5-9) are slidably fitted with the cams (5-8), springs (5-10) are mounted on both ends of the guide frame (5-5), a pushing rod (5-11) is arranged on the side surface of the moving frame (5-6), and the pushing rod (5-11) is located in the discharge pipe (5-4).

4. The iron powder forming equipment for powder metallurgy according to claim 1, characterized in that: The molding and discharging assembly (6) comprises a molding die base (6-1), the molding die base (6-1) being rotatably connected between the inner frame (4) and the inner sides of the equipment frame (1) via a rotating shaft, a second motor (6-2) being arranged on the side surface of the equipment frame (1), and a transmission gear (6-3) being arranged at the output end of the second motor (6-2) and one end of the rotating shaft of the molding die base (6-1).

5. The iron powder forming equipment for powder metallurgy according to claim 4, characterized in that: A pair of bottom grooves (6-4) are provided at the bottom of the molding die base (6-1), telescopic cylinders (6-5) are provided on both sides of the equipment frame (1), and a limit block (6-6) is provided at the output end of the telescopic cylinder (6-5), and a load-bearing seat (6-7) is provided on both side surfaces of the equipment frame (1), and the load-bearing seat (6-7) is slidably fitted with the bottom surface of the limit block (6-6).

6. The iron powder forming equipment for powder metallurgy according to claim 5, characterized in that: The molding cleaning assembly (7) comprises a pair of second slide rails (7-1), the second slide rails (7-1) are arranged on both sides of the top frame (3), a top seat (7-2) is slidably connected to the second slide rails (7-1), a second lead screw (7-3) is arranged in the top frame (3), and the second lead screw (7-3) is controlled to rotate by a motor.

7. The iron powder forming equipment for powder metallurgy according to claim 6, characterized in that: The second lead screw (7-3) is connected to the top seat (7-2) through threaded matching, a hydraulic cylinder (7-4) is arranged at the bottom of the top seat (7-2), an extrusion die seat (7-5) is arranged at the output end of the hydraulic cylinder (7-4), and a plurality of telescopic rods (7-6) are arranged between the surface of the extrusion die seat (7-5) and the top seat (7-2).

8. The iron powder forming equipment for powder metallurgy according to claim 7, characterized in that: A fixing frame (7-7) is arranged at the bottom of the top seat (7-2), a second cylinder (7-8) is arranged in the fixing frame (7-7), an output end of the second cylinder (7-8) is connected to an air collecting hood (7-9), a dust collecting fan (7-10) is arranged on the surface of the air collecting hood (7-9), a filter collecting box (7-11) is arranged in the fixing frame (7-7), and the filter collecting box (7-11) is connected to the air outlet end of the dust collecting fan (7-10).

9. The iron powder forming equipment for powder metallurgy according to claim 8, characterized in that: The suction end of the dust suction fan (7-10) is connected to the air collecting hood (7-9), and a plurality of dust collecting holes (7-12) are provided around the bottom surface of the air collecting hood (7-9). An air pipe (7-13) is provided in the air collecting hood (7-9), and the upper end of the air pipe (7-13) is movably sleeved in the bottom surface of the fixing frame (7-7), and the lower end of the air pipe (7-13) is provided with an air nozzle (7-14).

10. The iron powder forming equipment for powder metallurgy according to claim 9, characterized in that: The surface of the air collecting hood (7-9) located at the dust collecting hole (7-12) is an inclined structural surface, and a feed hopper (8) is provided at the upper end of the side surface of the forming die base (6-1), and the feed hopper (8) and the upper end surface of the forming die base (6-1) are located in the same plane as the surface of the equipment frame (1).

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