CN219169615U

CN219169615U - Continuous extrusion device for powder metallurgy

Info

Publication number: CN219169615U
Application number: CN202222992557.0U
Authority: CN
Inventors: 马林杰; 吴世臻; 潘跃飞
Original assignee: Suzhou Jukang New Material Technology Co ltd
Current assignee: Suzhou Jukang New Material Technology Co ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-06-13
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses a continuous extrusion device for powder metallurgy, and particularly relates to the technical field of powder metallurgy, which comprises a base, wherein a support frame is arranged at the top of the base, a hydraulic cylinder is arranged at the top of the support frame, a movable plate is arranged at the output end of the hydraulic cylinder, an upper die is arranged at the bottom of the movable plate, a die separating structure is arranged right below the upper die at the top of the base, the die separating structure comprises a die core, the die core is arranged at the top of the base, and transverse plates are arranged at the front side and the rear side of the die core. The utility model has simple operation, and can expose the metal powder after extrusion molding by respectively separating the two transverse plates from the two vertical plates, thereby being convenient for operators to take the molded metal powder, realizing demoulding operation, improving the sealing performance after bonding between the two transverse plates and the two vertical plates and avoiding leakage of extruded raw materials.

Description

Continuous extrusion device for powder metallurgy

Technical Field

The utility model relates to the technical field of powder metallurgy, in particular to a continuous extrusion device for powder metallurgy.

Background

Powder metallurgy is a process technology for preparing metal powder or using metal powder as a raw material, and manufacturing metal materials, composite materials and various products through forming and sintering.

The utility model patent of patent application publication number CN202122063202.9 discloses a powder metallurgy continuous extrusion device, which comprises a bottom frame, wherein an upper frame is arranged at the top end of the bottom frame, a pore plate is arranged on the inner side of the bottom frame, the pore plate is welded and fixed with the bottom frame, a lower die holder is arranged above the pore plate, a stand column is arranged between the lower die holder and the pore plate, an upper die holder is arranged above the lower die holder, a hydraulic cylinder is arranged above the upper die holder, the hydraulic cylinder is fixedly connected with the bottom frame, and the free end of the hydraulic cylinder is fixedly connected with the upper die holder; the electric heater and the roller are convenient to use, the roller can roll and extrude the metal powder paved on the lower die holder, redundant metal powder can be extruded away, preliminary extrusion shaping can be performed, the upper die holder is matched for extrusion shaping of the metal powder, and the electric heater can heat, so that rapid shaping of the metal powder is facilitated.

However, in practical use, after the metal powder is extruded and formed, a worker is required to take out the formed metal material from the surface of the lower die holder, and the space of the lower die holder is limited, so that the extruded and formed metal material is inconvenient to take, and the worker is inconvenient to carry out demoulding operation.

Disclosure of Invention

The technical scheme of the utility model aims at solving the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and aims to overcome the defects of the prior art, the utility model provides a continuous extrusion device for powder metallurgy, so as to solve the problems that in the prior art, after extrusion molding of metal powder, workers are required to take out molded metal materials from the surface of a lower die holder, and the space of the lower die holder is limited, so that the taking of the extruded metal materials is inconvenient, and the demoulding operation of the workers is inconvenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the continuous extrusion device for powder metallurgy comprises a base, wherein a support frame is arranged at the top of the base, a hydraulic cylinder is arranged at the top of the support frame, a movable plate is arranged at the output end of the hydraulic cylinder, an upper die is arranged at the bottom of the movable plate, and a die separating structure is arranged right below the upper die at the top of the base;

the die separating structure comprises a die core, the die core is arranged at the top of the base, transverse plates are arranged on the front side and the rear side of the die core, vertical plates are arranged on the left side and the right side of the die core, a plurality of sliding grooves are formed in the surface of the base, sliding blocks are arranged in the sliding grooves, and an electric push rod is arranged at one end of each sliding groove, which is located at the sliding block.

Preferably, a plurality of guide rods are arranged between the base and the support frame, guide blocks are arranged outside the guide rods, the guide blocks are fixedly connected with the moving plate, and the guide blocks are in sliding connection with the guide rods.

Preferably, the output end of the hydraulic cylinder extends to the inside of the supporting frame, and the output end of the hydraulic cylinder is fixedly connected with the top of the moving plate.

Preferably, an L-shaped groove is formed in the surface of the vertical plate, a sealing gasket is arranged in the L-shaped groove, and two ends of the transverse plate are respectively located in the L-shaped groove formed in the vertical plate.

Preferably, the transverse plates and the vertical plates are vertically arranged, an extrusion cavity is formed between the two transverse plates and the two vertical plates, and the upper die is matched with the extrusion cavity in structure.

Preferably, the electric push rod is fixedly connected with the sliding block inside the sliding groove, and each sliding block is respectively and fixedly connected with the bottoms of the corresponding transverse plate and the corresponding vertical plate.

The utility model has the technical effects and advantages that:

1. through setting up the parting structure, utilize a plurality of electric putter to drive the slider respectively and slide in the inside of spout, make a plurality of sliders drive respectively and corresponding diaphragm and riser take place to separate, after taking place to separate between two diaphragms and two risers, make the metal powder after the shaping be in the surface of mold core, and then make things convenient for the staff to take out the metal powder after the shaping, simultaneously, after separating between two diaphragms and two risers, can make things convenient for the staff to clean the metal powder that diaphragm and riser surface attached, improve the extrusion shaping effect to the metal powder;

2. through being close to each other between two diaphragms and two risers and laminating and forming the extrusion chamber, make the both ends of diaphragm be in the inside in L-shaped groove that the riser was seted up, utilize sealed use of filling up, can improve the compactness after laminating between diaphragm and the riser, avoid powder raw materials to expose, utilize the sliding fit of guide block and guide bar moreover, can lead the removal of movable plate, guarantee that the movable plate is in vertical direction slip, improve the extrusion effect of powder metallurgy spare.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of a split-die structure according to the present utility model.

FIG. 3 is a schematic view of the connection structure of the transverse plate and the vertical plate of the present utility model.

Fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.

The reference numerals are: 1. a base; 2. a support frame; 3. a hydraulic cylinder; 4. a moving plate; 5. an upper die; 6. a mold core; 7. a cross plate; 8. a riser; 9. a chute; 10. a slide block; 11. an electric push rod; 12. a guide rod; 13. a guide block; 14. an L-shaped groove; 15. a sealing gasket; 16. and extruding the cavity.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The continuous extrusion device for powder metallurgy shown in the accompanying drawings 1-4 comprises a base 1, wherein a supporting frame 2 is arranged at the top of the base 1, a hydraulic cylinder 3 is arranged at the top of the supporting frame 2, a movable plate 4 is arranged at the output end of the hydraulic cylinder 3, an upper die 5 is arranged at the bottom of the movable plate 4, and a die separating structure is arranged right below the upper die 5 at the top of the base 1;

the mold separating structure comprises a mold core 6, the mold core 6 is arranged at the top of the base 1, transverse plates 7 are arranged on the front side and the rear side of the mold core 6, vertical plates 8 are arranged on the left side and the right side of the mold core 6, a plurality of sliding grooves 9 are formed in the surface of the base 1, sliding blocks 10 are arranged in the sliding grooves 9, and an electric push rod 11 is arranged at one end, located in the sliding grooves 10, of each sliding groove 9.

When the structure is specifically used, during extrusion molding of metal powder, the metal powder is firstly placed in an extrusion cavity 16 formed between two transverse plates 7 and two vertical plates 8 and is positioned on the surface of a mold core 6, and during extrusion operation, a hydraulic cylinder 3 is used for driving a movable plate 4 to move downwards and promoting an upper mold 5 to extend into the extrusion cavity 16, so that the metal powder is extruded and molded;

after the metal powder is extruded and formed, a plurality of electric push rods 11 are utilized to respectively drive sliding blocks 10 to slide in sliding grooves 9, so that a plurality of sliding blocks 10 respectively drive corresponding transverse plates 7 and vertical plates 8 to be separated, after the two transverse plates 7 and the two vertical plates 8 are separated, the formed metal powder is positioned on the surface of a mold core 6, so that a worker can conveniently take out the formed metal powder, and meanwhile, after the two transverse plates 7 and the two vertical plates 8 are separated, the worker can conveniently clean the metal powder attached to the surfaces of the transverse plates 7 and the vertical plates 8;

after the sliding block 10 is reset in the sliding groove 9, the two transverse plates 7 and the two vertical plates 8 can be mutually attached, so that a pressing cavity 16 for pressing metal powder is formed, and the metal powder is further pressed.

In a preferred embodiment, as shown in fig. 1, a plurality of guide rods 12 are arranged between the base 1 and the support frame 2, guide blocks 13 are arranged outside the guide rods 12, the guide blocks 13 are fixedly connected with the moving plate 4, and the guide blocks 13 are slidably connected with the guide rods 12, so that the moving plate 4 is driven to slide outside the guide rods 12 in a guiding manner in the downward extending process, the moving plate 4 can be guided by utilizing the sliding fit of the guide blocks 13 and the guide rods 12, the moving plate 4 is ensured to slide in the vertical direction, and the extrusion effect of the powder metallurgy part is improved.

In a preferred embodiment, as shown in fig. 1, the output end of the hydraulic cylinder 3 extends into the support frame 2, and the output end of the hydraulic cylinder is fixedly connected with the top of the moving plate 4, so that the moving plate 4 can be driven by the hydraulic cylinder 3 to move, and the moving plate 4 can be driven by the moving plate 4 to move the upper die 5, so that the powder metallurgy part can be extruded and molded conveniently.

In a preferred embodiment, as shown in fig. 3 and 4, the surface of the riser 8 is provided with an L-shaped groove 14, a sealing gasket 15 is disposed in the L-shaped groove 14, and two ends of the transverse plate 7 are respectively disposed in the L-shaped groove 14 formed in the riser 8, so that when the two risers 8 and the two transverse plates 7 are mutually bonded, two ends of the transverse plate 7 can be disposed in the L-shaped groove 14 formed in the riser 8, and the sealing gasket 15 can be used to improve the tightness after bonding between the transverse plate 7 and the riser 8, so as to avoid exposure of powder raw materials.

In a preferred embodiment, as shown in fig. 2, 3 and 4, the transverse plates 7 and the vertical plates 8 are vertically arranged, and the extrusion cavity 16 is formed between the two transverse plates 7 and the two vertical plates 8, and the upper die 5 and the extrusion cavity 16 are matched in structure, so that when metal powder is extruded and formed, the metal powder can be placed in the extrusion cavity 16 formed between the two transverse plates 7 and the two vertical plates 8, and the upper die 5 enters the extrusion cavity 16 after being extended, and then the metal powder in the extrusion cavity 16 is extruded and formed.

In a preferred embodiment, as shown in fig. 2 and 3, the electric push rod 11 is fixedly connected with the sliding blocks 10 inside the sliding groove 9, and each sliding block 10 is fixedly connected with the bottoms of the corresponding transverse plate 7 and the corresponding vertical plate 8 respectively, so that the electric push rod 11 drives the sliding blocks 10 to slide inside the sliding groove 9, and the two transverse plates 7 and the two vertical plates 8 can be caused to be close to and attached to and separated from each other, so that metal powder can be placed conveniently, or the formed metal powder can be taken out, and a worker can perform demolding operation conveniently.

When the structure is specifically used, when the hydraulic cylinder 3 drives the movable plate 4 to extend downwards, the guide block 13 is caused to slide outside the guide rod 12, and the sliding fit of the guide block 13 and the guide rod 12 is utilized to guide the movement of the movable plate 4, so that the movable plate 4 is ensured to slide in the vertical direction, and the extrusion effect of a powder metallurgy part is improved;

moreover, when the two transverse plates 7 and the two vertical plates 8 are mutually close to each other to form the extrusion cavity 16, the two ends of the transverse plates 7 are positioned in the L-shaped grooves 14 formed in the vertical plates 8, and the sealing gasket 15 is used, so that the compactness after the transverse plates 7 and the vertical plates 8 are attached can be improved, and the exposure of powder raw materials is avoided.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. Continuous extrusion device for powder metallurgy, comprising a base (1), characterized in that: the automatic feeding device is characterized in that a supporting frame (2) is arranged at the top of the base (1), a hydraulic cylinder (3) is arranged at the top of the supporting frame (2), a movable plate (4) is arranged at the output end of the hydraulic cylinder (3), an upper die (5) is arranged at the bottom of the movable plate (4), and a die separating structure is arranged right below the upper die (5) at the top of the base (1);

the mold splitting structure comprises a mold core (6), the mold core (6) is arranged at the top of the base (1), transverse plates (7) are arranged on the front side and the rear side of the mold core (6), vertical plates (8) are arranged on the left side and the right side of the mold core (6), a plurality of sliding grooves (9) are formed in the surface of the base (1), sliding blocks (10) are arranged in the sliding grooves (9), and an electric push rod (11) is arranged at one end, located in the sliding blocks (10), of the sliding grooves (9).

2. A continuous extrusion apparatus for powder metallurgy according to claim 1, wherein: a plurality of guide rods (12) are arranged between the base (1) and the supporting frame (2), guide blocks (13) are arranged outside the guide rods (12), the guide blocks (13) are fixedly connected with the moving plate (4), and the guide blocks (13) are in sliding connection with the guide rods (12).

3. A continuous extrusion apparatus for powder metallurgy according to claim 1, wherein: the output end of the hydraulic cylinder (3) extends to the inside of the supporting frame (2), and the output end of the hydraulic cylinder is fixedly connected with the top of the movable plate (4).

4. A continuous extrusion apparatus for powder metallurgy according to claim 1, wherein: the surface of riser (8) has seted up L-shaped groove (14), the inside of L-shaped groove (14) is provided with sealed pad (15), the both ends of diaphragm (7) are in the inside of L-shaped groove (14) that riser (8) seted up respectively.

5. A continuous extrusion apparatus for powder metallurgy according to claim 1, wherein: the transverse plates (7) and the vertical plates (8) are vertically arranged, an extrusion cavity (16) is formed between the two transverse plates (7) and the two vertical plates (8), and the upper die (5) is matched with the extrusion cavity (16) in structure.

6. A continuous extrusion apparatus for powder metallurgy according to claim 1, wherein: the electric push rod (11) is fixedly connected with the sliding blocks (10) in the sliding grooves (9), and each sliding block (10) is respectively and fixedly connected with the bottoms of the corresponding transverse plate (7) and the corresponding vertical plate (8).