Powder metallurgy two-way hot press forming device

Abstract

The utility model discloses a powder metallurgy two-way hot press forming device which comprises a machine body, a hydraulic mechanism is installed in the machine body, a cleaning mechanism is installed on one side of the machine body, the hydraulic mechanism comprises a first hydraulic cylinder, the first hydraulic cylinder is fixedly connected to the top of the machine body, and the output end of the first hydraulic cylinder is fixedly connected with an upper connecting base. The upper connecting base is arranged on the inner side of the machine body, the middle of the bottom of the upper connecting base is fixedly connected with a forming block, first stand columns are arranged in the edges of the four corners of the upper connecting base and fixedly connected to the inner side of the machine body, a second hydraulic cylinder is fixedly connected into the bottom of the machine body, and the output end of the second hydraulic cylinder is fixedly connected with a lower connecting base. By means of the metal powder forming device, the density and the strength of a product can be effectively improved, meanwhile, the internal defects of the product are reduced, and residual metal powder can be cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to metal powder hot press forming technical field, concretely is a powder metallurgy bidirectional hot press forming device. BACKGROUND

[0002] Powder metallurgy is the process technology that uses metal powder as raw material, after pressing forming and sintering, makes various shape spare parts, and the material and complex spare parts that part uses traditional casting method and mechanical processing method cannot prepare can also use powder metallurgy technology to manufacture, so is valued by the industry.

[0003] At present, the existing powder metallurgy forming device meets the production demand to a certain extent, but still some deficiencies still exist, such as most hot press forming devices are by single hydraulic cylinder and powder is pressed into shape, the density and strength of the product produced by this method are not ideal, and the product is prone to defects such as air hole, secondly, a large amount of metal powder is easy to remain on the surface of the mold after feeding, and the metal powder is easy to fly in the working environment, which will affect the health of the workers after being inhaled. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a powder metallurgy bidirectional hot press forming device to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a powder metallurgy bidirectional hot press forming device, including body, the inside installation of hydraulic mechanism of body, one side installation of cleaning mechanism of body, the hydraulic mechanism includes first hydraulic cylinder, the first hydraulic cylinder is fixedly connected in the top of body, the output end of first hydraulic cylinder is fixedly connected with upper connecting seat, the upper connecting seat is arranged in the inside of body, the middle part of the bottom of upper connecting seat is fixedly connected with forming block, and the inside of the four corners edge of upper connecting seat is all provided with first stand, and the first stand is fixedly connected in the inside of body.

[0006] As a further preferred embodiment of the present technical solution, the inside of the bottom of the body is fixedly connected with a second hydraulic cylinder, the output end of the second hydraulic cylinder is fixedly connected with a lower connecting seat, a forming groove is formed in the middle part of the lower connecting seat, and a sleeve is fixedly connected to the bottom of each corner of the lower connecting seat.

[0007] As a further preferred embodiment of the present technical solution, the inside of the bottom of the body is fixedly connected with a plurality of second stands, and the sleeve is movably connected to the outside of the adjacent second stands.

[0008] As a further preferred embodiment of the present technical solution, a first electromagnetic heating coil is fixedly arranged in the inside of the forming block, a second electromagnetic heating coil is fixedly arranged in the inside of the lower connecting seat, and the second electromagnetic heating coil is arranged around the forming groove.

[0009] As a further preferred embodiment of this technical solution, the cleaning mechanism includes a mounting platform, a crossbar is provided on the inner side of the top of the mounting platform, a housing is fixedly connected to the bottom of the crossbar, a scraper is fixedly connected to the bottom of the housing, and a through groove is opened on the surface of the housing. A filter plate is fixedly connected to the inside of the bottom of the through groove, and a fan is fixedly connected to the inside of the top of the through groove.

[0010] As a further preferred embodiment of this technical solution, a guide rod is provided inside one end of the crossbar, and a lead screw is provided inside the other end. Two symmetrically arranged sliding grooves are opened at the bottom of the inner side of the machine body. One end of the guide rod is fixedly connected to the inside of the adjacent sliding groove, and one end of the lead screw is rotatably connected to the inside of the adjacent sliding groove.

[0011] As a further preferred embodiment of this technical solution, a connecting plate is fixedly connected to one end of the mounting platform, and a motor is fixedly connected to one side of the connecting plate. The output end of the motor is connected to one end of the lead screw.

[0012] This utility model provides a powder metallurgy bidirectional hot pressing forming device, which has the following beneficial effects:

[0013] (1) This utility model can effectively improve the density and strength of the product by simultaneously pressurizing the powder from two directions using the first hydraulic cylinder and the second hydraulic cylinder, while reducing the internal defects of the product.

[0014] (2) The present invention can effectively remove residual metal powder on the lower connector by setting a cleaning mechanism, so that the metal powder will not fly in the working environment and thus avoid affecting the health of the workers. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the fuselage structure of this utility model;

[0017] Figure 3 This is a schematic diagram of the cleaning mechanism structure of this utility model.

[0018] In the diagram: 1. Machine body; 2. First hydraulic cylinder; 3. Upper connecting seat; 4. First column; 5. Lower connecting seat; 6. Mounting platform; 7. Crossbar; 8. Slide groove; 9. Forming block; 10. First electromagnetic heating coil; 11. Second hydraulic cylinder; 12. Sleeve; 13. Second column; 14. Forming groove; 15. Second electromagnetic heating coil; 16. Outer shell; 17. Scraper; 18. Through groove; 19. Filter plate; 20. Fan; 21. Guide rod; 22. Lead screw; 23. Connecting plate; 24. Motor. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model.

[0020] The utility model provides technical schemes: such as Figure 1 and Figure 2 As shown in the figure, in the embodiment, a powder metallurgy bidirectional hot press forming device, including fuselage 1, the inside installation of fuselage 1 has hydraulic mechanism, one side of fuselage 1 is provided with cleaning mechanism, and hydraulic mechanism includes first hydraulic cylinder 2, and first hydraulic cylinder 2 is fixedly connected to the top of fuselage 1, and the output end of first hydraulic cylinder 2 is fixedly connected with upper connecting seat 3, and upper connecting seat 3 is arranged on the inside of fuselage 1, and the middle part of the bottom of upper connecting seat 3 is fixedly connected with forming block 9, and the inside of the four corners edge of upper connecting seat 3 is all provided with first stand 4, and first stand 4 is fixedly connected to the inside of fuselage 1, and upper connecting seat 3 is moved by first hydraulic cylinder 2 to carry out forming work, and upper connecting seat 3 slides along first stand 4 during moving, and first stand 4 is used to guarantee the stability of upper connecting seat 3.

[0021] The inside of the bottom of fuselage 1 is fixedly connected with second hydraulic cylinder 11, and the output end of second hydraulic cylinder 11 is fixedly connected with lower connecting seat 5, and the middle part of lower connecting seat 5 is provided with forming groove 14, and the bottom of the four corners of lower connecting seat 5 is all fixedly connected with sleeve pipe 12, and the shape and position of forming groove 14 and forming block 9 are matched, and metal powder is filled in forming groove 14, and is formed by forming block 9.

[0022] The inside of the bottom of fuselage 1 is fixedly connected with several second stands 13, and sleeve pipe 12 is movably connected to the outside of adjacent second stand 13, and during moving of lower connecting seat 5 driven by second hydraulic cylinder 11, sleeve pipe 12 will slide along the outside of second stand 13 to guarantee the stability of lower connecting seat 5.

[0023] The inside of forming block 9 is fixedly provided with first electromagnetic heating coil 10, and the inside of lower connecting seat 5 is fixedly provided with second electromagnetic heating coil 15, and second electromagnetic heating coil 15 is arranged around forming groove 14, and under the work of first electromagnetic heating coil 10 and second electromagnetic heating coil 15, forming block 9 and the inner wall of forming groove 14 can be heated, so that in the process of metal powder forming, the metal powder is pressed and heated at the same time, the porosity and defects in the powder can be reduced or eliminated, and the overall quality of the product is improved.

[0024] As shown in the figure, Figure 1 and Figure 3As shown, the cleaning mechanism includes a mounting table 6, the inner side of the top of the mounting table 6 is provided with a cross bar 7, the bottom of the cross bar 7 is fixedly connected with an outer shell 16, the bottom of the outer shell 16 is fixedly connected with a scraper 17, and the surface of the outer shell 16 is provided with a through groove 18, the inside of the bottom of the through groove 18 is fixedly connected with a filter plate 19, and the inside of the top of the through groove 18 is fixedly connected with a fan 20.

[0025] The inside of one end of the cross bar 7 is provided with a guide rod 21, the inside of the other end is provided with a lead screw 22, the bottom of the inner side of the machine body 1 is provided with two symmetrically arranged sliding grooves 8, one end of the guide rod 21 is fixedly connected to the inside of the adjacent sliding groove 8, and one end of the lead screw 22 is rotatably connected to the inside of the adjacent sliding groove 8, and the sliding groove 8 is used for the cross bar 7 to be able to move to the lower connecting seat 5 to perform metal powder cleaning work.

[0026] One end of the mounting table 6 is fixedly connected with a connecting plate 23, one side of the connecting plate 23 is fixedly connected with a motor 24, and the output end of the motor 24 is connected with one end of the lead screw 22.

[0027] Through the operation of the motor 24, the lead screw 22 is driven to rotate, and then the cross bar 7 moves in the direction of the lower connecting seat 5 under the limiting guidance of the guide rod 21, and during the movement, the scraper 17 converges the metal powder on the surface of the lower connecting seat 5 to the lower side of the through groove 18, and under the working operation of the fan 20, the metal powder is sucked into the through groove 18 and is adsorbed by the filter plate 19, so as to avoid the influence of the metal powder on the working environment.

[0028] The utility model provides a kind of powder metallurgy bidirectional hot-press forming device, specific working principle is as follows: metal powder is filled into forming groove 14, then first hydraulic cylinder 2 and second hydraulic cylinder 11 are started, both will synchronously drive upper connecting seat 3 and lower connecting seat 5 to the middle of machine body 1 movement, make forming block 9 extrude the metal powder in forming groove 14, during first electromagnetic heating coil 10 and second electromagnetic heating coil 15 will continue to heat metal powder, to make metal powder plastic deformation and diffusion under high temperature and high pressure, form dense metal structure, metal powder is formed, after cooling and taking out, then motor 24 operates, it drives lead screw 22 to rotate, and then cross bar 7 moves in the direction of lower connecting seat 5 along lead screw 22 under the limiting guidance of guide rod 21, and during the movement, scraper 17 converges the metal powder on the surface of lower connecting seat 5 to the lower side of through groove 18, and under the working operation of fan 20, the metal powder is sucked into the through groove 18 and is adsorbed by the filter plate 19, so as to avoid the influence of the metal powder on the working environment.

[0029] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A powder metallurgical bi-directional hot press forming device comprising a machine body (1), characterized in that: The inside of the fuselage (1) is provided with a hydraulic mechanism, one side of the fuselage (1) is provided with a cleaning mechanism, the hydraulic mechanism comprises a first hydraulic cylinder (2), the first hydraulic cylinder (2) is fixedly connected to the top of the fuselage (1), the output end of the first hydraulic cylinder (2) is fixedly connected with an upper connecting seat (3), the upper connecting seat (3) is arranged on the inside of the fuselage (1), the middle of the bottom of the upper connecting seat (3) is fixedly connected with a shaped block (9), and the inside of the four corner edges of the upper connecting seat (3) is provided with a first stand (4), and the first stand (4) is fixedly connected to the inside of the fuselage (1).

2. A powder metallurgy bi-axial hot press forming apparatus according to claim 1, wherein: The bottom of the fuselage (1) is fixedly connected with a second hydraulic cylinder (11), the output end of the second hydraulic cylinder (11) is fixedly connected with a lower connecting seat (5), the middle of the lower connecting seat (5) is provided with a shaped groove (14), and the bottom of the four corners of the lower connecting seat (5) is fixedly connected with a sleeve (12).

3. A powder metallurgy bi-axial hot press forming apparatus according to claim 2, wherein: The bottom of the fuselage (1) is fixedly connected with a second stand (13), and the sleeve (12) is movably connected to the outside of the adjacent second stand (13).

4. The powder metallurgy bi-directional hot press forming apparatus of claim 2, wherein: The inside of the shaped block (9) is fixedly provided with a first electromagnetic heating coil (10), the inside of the lower connecting seat (5) is fixedly provided with a second electromagnetic heating coil (15), and the second electromagnetic heating coil (15) surrounds the shaped groove (14).

5. The powder metallurgy bi-directional hot press forming apparatus of claim 1, wherein: The cleaning mechanism comprises a mounting table (6), the inside of the top of the mounting table (6) is provided with a cross bar (7), the bottom of the cross bar (7) is fixedly connected with an outer shell (16), the bottom of the outer shell (16) is fixedly connected with a scraper (17), and the surface of the outer shell (16) is provided with a through groove (18), the inside of the bottom of the through groove (18) is fixedly connected with a filter plate (19), and the inside of the top of the through groove (18) is fixedly connected with a fan (20).

6. A powder metallurgy bi-axial hot press forming apparatus according to claim 5, wherein: The inside of one end of the cross bar (7) is provided with a guide rod (21), and the inside of the other end is provided with a lead screw (22), the bottom of the inside of the fuselage (1) is provided with two symmetrically arranged sliding grooves (8), one end of the guide rod (21) is fixedly connected to the inside of the adjacent sliding groove (8), and one end of the lead screw (22) is rotatably connected to the inside of the adjacent sliding groove (8).

7. A powder metallurgy bi-directional hot press forming apparatus as claimed in claim 6, wherein: One end of the mounting table (6) is fixedly connected with a connecting plate (23), one side of the connecting plate (23) is fixedly connected with a motor (24), and the output end of the motor (24) is connected with one end of the lead screw (22).

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