Powder metallurgy sintering molding equipment

Abstract

The utility model relates to the technical field of powder metallurgy equipment, in particular to powder metallurgy sinter molding equipment which comprises a clamping frame, a stepping motor, a round rod, a threaded rod and a sintering device, fuel gas in fuel gas equipment is discharged along a hard pipeline, and the front end of an electromagnetic valve is fixedly communicated with a bottom branch pipe of the hard pipeline and is fixedly communicated with the front end of a lower cavity box. A lower igniter is started to ignite fuel gas, fuel gas open fire escapes upwards and outwards through the interior of the lower igniter, the open fire enters the top of a base plate and the inner area of a material frame along a sleeve, and the bottom of a powder metallurgy pressing block is sintered and heated; the front end of an electromagnetic valve is fixedly communicated with a top branch pipe of a hard pipeline and is fixedly communicated with the front end of an upper cavity box; by means of the arrangement, the upper portion and the lower portion of the powder metallurgy pressing block are synchronously heated, and the sintering forming efficiency of the powder metallurgy pressing block is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of powder metallurgy equipment, in particular to a powder metallurgy sintering and forming equipment. Background Technique

[0002] Powder metallurgy uses metal powder as raw material, through die pressing and subsequent sintering and forming. Using powder metallurgy technology, porous, semi-dense or fully dense materials and products can be directly made, which is convenient for the convenient manufacture of various metal products.

[0003] Taking the small sintering and forming equipment for powder metallurgy compacts as an example, the end heating pipes of some small sintering and forming equipment for powder metallurgy compacts are not convenient for synchronously heating the upper and lower sides of the powder metallurgy compacts, resulting in a low sintering and forming efficiency of the powder metallurgy compacts. Therefore, a powder metallurgy sintering and forming equipment is proposed for the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a powder metallurgy sintering and forming equipment, which is used to solve the problem that the end heating pipes of some small sintering and forming equipment for powder metallurgy compacts are not convenient for synchronously heating the upper and lower sides of the powder metallurgy compacts, resulting in a low sintering and forming efficiency of the powder metallurgy compacts.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A powder metallurgy sintering and forming equipment, including a clamping frame, a stepping motor, a round rod, a threaded rod and a sintering device. The right end of the top plate of the clamping frame is fixedly provided with a stepping motor, the right end of the top plate of the clamping frame is fixedly provided with a round rod, the end of the main shaft of the stepping motor is fixedly provided with a threaded rod, and a sintering device is arranged on the right side of the clamping frame. The sintering device includes a protective frame, a pressing plate, a gas equipment, a solenoid valve, a baffle, a lower cavity box, a strip plate, a backing plate, a surrounding frame, a material frame, a sleeve, an upper cavity box, an upper igniter and a lower igniter. The right side of the protective frame is provided with a pressing plate. The top of the pressing plate is fixedly provided with a gas equipment and a baffle. The front end of the gas equipment is fixedly communicated with a solenoid valve. The bottom branch pipe of the hard pipe fixedly communicated with the front end of the solenoid valve is fixedly communicated with the front end of the lower cavity box. The outside of the round rod is slidably arranged inside the strip plate, the outside of the threaded rod is threadedly arranged inside the strip plate. The top of the strip plate is fixedly provided with a backing plate. The top of the backing plate is fixedly provided with a surrounding frame and a material frame. The inner wall of the round hole opened inside the backing plate is fixedly provided with a sleeve. The top branch pipe of the hard pipe fixedly communicated with the front end of the solenoid valve is fixedly communicated with the front end of the upper cavity box. The bottom end of the upper cavity box is fixedly communicated with an upper igniter. The top end of the lower cavity box is fixedly communicated with a lower igniter.

[0007] Preferably, the right end of the card rack and the inner side of the left end of the pressing plate are fixedly arranged through a connecting plate, and the two round rods are symmetrically distributed on the front and rear sides of the threaded rod.

[0008] Preferably, the left end of the baffle is in contact with the right end of the backing plate, and the bottom end of the sleeve is communicated with the inside of the lower igniter and the inside of the lower cavity box.

[0009] Preferably, the material frame is located in the inner area of the surrounding frame, and semi-circular holes are formed at the top of the frame edge of the material frame.

[0010] Preferably, the front end of the solenoid valve is fixedly communicated with a rigid pipe and is fixedly arranged inside the front end of the protective frame, and a powder metallurgy compact is placed on the top of the frame edge of the material frame.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] In the present utility model, the solenoid valve opens the valve passage, and the gas inside the gas equipment is discharged along the rigid pipe. The bottom branch pipe of the rigid pipe fixedly communicated with the front end of the solenoid valve is fixedly communicated with the front end of the lower cavity box. The lower igniter is started to ignite the gas, and the gas flame escapes upward outside through the inside of the lower igniter. The flame enters the top of the backing plate and the inner area of the material frame along the sleeve, and sintering and heating are carried out on the bottom of the powder metallurgy compact. The top branch pipe of the rigid pipe fixedly communicated with the front end of the solenoid valve is fixedly communicated with the front end of the upper cavity box. The upper igniter is started to ignite the gas, and the gas flame escapes downward outside through the inside of the upper igniter, and sintering and heating are carried out on the top of the powder metallurgy compact. Through the above settings, it is convenient to synchronously heat the upper and lower parts of the powder metallurgy compact to improve the sintering and forming efficiency of the powder metallurgy compact. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0014] Figure 2 is a schematic sectional structure diagram of some components of the sintering device of the present utility model;

[0015] Figure 3 is of the present utility model Figure 2 schematic diagram of the structure at A;

[0016] Figure 4 is a schematic diagram of the position of the strip plate at the left end of the present utility model;

[0017] Figure 5 is a schematic diagram of the distribution positions of the lower cavity box and the upper cavity box of the present utility model;

[0018] Figure 6 is a schematic bottom view structure diagram of the upper cavity box of the present utility model;

[0019] Figure 7This is a schematic cross-sectional structure diagram of the strip board, backing plate, enclosure, material box, and sleeve of the present utility model.

[0020] In the figure: 1, clamping frame; 2, stepping motor; 3, round rod; 4, threaded rod; 5, sintering device; 501, protective frame; 502, pressing plate; 503, gas equipment; 504, solenoid valve; 505, baffle; 506, lower cavity box; 507, strip board; 508, backing plate; 509, enclosure; 510, material box; 511, sleeve; 512, upper cavity box; 513, upper igniter; 514, lower igniter. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] In the embodiments of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the position or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Similarly, words such as "one", "a", or "the" do not indicate a quantity limitation, but rather indicate the existence of at least one. Words such as "including" or "comprising" mean that the elements or objects appearing before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects.

[0023] In addition, in the embodiments of the present utility model, unless otherwise clearly defined and limited, the terms "installation", "connection", and "connection" shall be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0024] Please refer to Figure 1-7 , the present utility model provides a technical solution:

[0025] A powder metallurgy sintering and forming device includes a clamping frame 1, a stepping motor 2, a round rod 3, a threaded rod 4, and a sintering device 5. At the right end of the top plate of the clamping frame 1, a stepping motor 2 is fixedly arranged. At the right end of the top plate of the clamping frame 1, a round rod 3 is fixedly arranged. At the end of the main shaft of the stepping motor 2, a threaded rod 4 is fixedly arranged. On the right side of the clamping frame 1, a sintering device 5 is arranged. The sintering device 5 includes a protective frame 501, a pressing plate 502, a gas equipment 503, a solenoid valve 504, a baffle 505, a lower cavity box 506, a strip plate 507, a backing plate 508, a surrounding frame 509, a material frame 510, a sleeve 511, an upper cavity box 512, an upper igniter 513, and a lower igniter 514. On the right side of the protective frame 501, a pressing plate 502 is arranged. At the top of the pressing plate 502, a gas equipment 503 and a baffle 505 are fixedly arranged. At the front end of the gas equipment 503, a solenoid valve 504 is fixedly connected in communication. The bottom branch pipe of the hard pipe fixedly connected in communication at the front end of the solenoid valve 504 is fixedly connected in communication with the front end of the lower cavity box 506. The outer side of the round rod 3 is slidably arranged inside the strip plate 507. The outer side of the threaded rod 4 is threadedly arranged inside the strip plate 507. At the top of the strip plate 507, a backing plate 508 is fixedly arranged. At the top of the backing plate 508, a surrounding frame 509 and a material frame 510 are fixedly arranged. On the inner wall of the circular hole opened inside the backing plate 508, a sleeve 511 is fixedly arranged. The top branch pipe of the hard pipe fixedly connected in communication at the front end of the solenoid valve 504 is fixedly connected in communication with the front end of the upper cavity box 512. At the bottom end of the upper cavity box 512, an upper igniter 513 is fixedly connected in communication. At the top end of the lower cavity box 506, a lower igniter 514 is fixedly connected in communication.

[0026] Between the right end of the clamping frame 1 and the inner side of the left end of the pressing plate 502, it is fixedly arranged through a connecting plate. The two round rods 3 are symmetrically distributed on the front and rear sides of the threaded rod 4. Through the above setting, the start of the stepping motor 2 rotates threadedly through the threaded rod 4 inside the strip plate 507, forming the left and right movement adjustment of the strip plate 507.

[0027] The left end of the baffle 505 contacts the right end of the backing plate 508. The bottom end of the sleeve 511 is communicated with the inside of the lower igniter 514 and the inside of the lower cavity box 506. Through the above setting, the baffle 505 plays a role in limiting the right end of the integrated structure formed by the strip plate 507, the backing plate 508, the surrounding frame 509, the material frame 510, and the sleeve 511.

[0028] The material frame 510 is located in the inner area of the surrounding frame 509. At the top of the frame edge of the material frame 510, a semicircular hole is opened. Through the above setting, when the powder metallurgy compact is placed on the top of the material frame 510, the inner area of the material frame 510 and the inner area of the surrounding frame 509 are communicated through the semicircular hole opened in the material frame 510.

[0029] The front end of the solenoid valve 504 is fixedly connected to the hard pipe and is fixedly arranged inside the front end of the protective frame 501. A powder metallurgy compact is placed on the top of the frame edge of the material frame 510. Through the above settings, the solenoid valve 504 functions as a connection control structure for the gas equipment 503. The gas equipment 503, the solenoid valve 504, the lower cavity box 506, the upper cavity box 512, the upper igniter 513, and the lower igniter 514 are of an integral fixed structure.

[0030] Working process: The present utility model provides a small sintering and forming device for powder metallurgy compacts, which is convenient for synchronously heating the upper and lower parts of the powder metallurgy compact to improve the sintering and forming efficiency of the powder metallurgy compact.

[0031] The stepping motor 2, the solenoid valve 504, the upper igniter 513, and the lower igniter 514 provided in this device are all controlled by a PLC controller. The stepping motor 2, the solenoid valve 504, the upper igniter 513, and the lower igniter 514 provided above are all electrically connected externally.

[0032] The strip plate 507, the backing plate 508, the surrounding frame 509, the material frame 510, and the sleeve 511 provided in this device are of an integral structure. When the stepping motor 2 starts, the threaded rod 4 rotates counterclockwise. Since the outer side of the threaded rod 4 is threadedly arranged inside the strip plate 507, under the guiding and limiting of the round rod 3 and the lower strip plate 507, the lower strip plate 507, the backing plate 508, the surrounding frame 509, the material frame 510, and the sleeve 511 move to the left. The powder metallurgy compact is placed on the top of the frame edge of the material frame 510. When the stepping motor 2 starts, the threaded rod 4 rotates clockwise, and the lower strip plate 507, the backing plate 508, the surrounding frame 509, the material frame 510, and the sleeve 511 move to the right until the left end of the baffle 505 contacts the right end of the backing plate 508.

[0033] The solenoid valve 504 opens the valve passage, and the gas inside the gas equipment 503 is discharged along the hard pipe. The bottom branch pipe of the hard pipe fixedly connected to the front end of the solenoid valve 504 is fixedly connected to the front end of the lower cavity box 506. The lower igniter 514 starts to ignite the gas. The gas flame escapes upward and outward through the lower igniter 514. The flame enters the top of the backing plate 508 and the inner area of the material frame 510 along the sleeve 511 to sinter and heat the bottom of the powder metallurgy compact. The top branch pipe of the hard pipe fixedly connected to the front end of the solenoid valve 504 is fixedly connected to the front end of the upper cavity box 512. The upper igniter 513 starts to ignite the gas. The gas flame escapes downward and outward through the upper igniter 513 to sinter and heat the top of the powder metallurgy compact.

[0034] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A powder metallurgy sintering and forming device, comprising a clamping frame (1), a stepping motor (2), a round rod (3), a threaded rod (4), and a sintering device (5), characterized in that: A stepping motor (2) is fixedly arranged at the right end of the top plate of the card rack (1). A round rod (3) is fixedly arranged at the right end of the top plate of the card rack (1). A threaded rod (4) is fixedly arranged at the end of the main shaft of the stepping motor (2). A sintering device (5) is arranged on the right side of the card rack (1). The sintering device (5) includes a protective frame (501), a pressing plate (502), a gas equipment (503), a solenoid valve (504), a baffle (505), a lower cavity box (506), a strip plate (507), a backing plate (508), a surrounding frame (509), a material frame (510), a sleeve (511), an upper cavity box (512), an upper igniter (513) and a lower igniter (514). A pressing plate (502) is arranged on the right side of the protective frame (501). A gas equipment (503) and a baffle (505) are fixedly arranged at the top end of the pressing plate (502). A solenoid valve (504) is fixedly communicated with the front end of the gas equipment (503). The bottom branch pipe of the hard pipe fixedly communicated with the front end of the solenoid valve (504) is fixedly communicated with the front end of the lower cavity box (506). The outer side of the round rod (3) is slidably arranged inside the strip plate (507). The outer side of the threaded rod (4) is threadedly arranged inside the strip plate (507). A backing plate (508) is fixedly arranged at the top end of the strip plate (507). A surrounding frame (509) and a material frame (510) are fixedly arranged at the top end of the backing plate (508). A sleeve (511) is fixedly arranged on the inner wall of the round hole opened inside the backing plate (508). The top branch pipe of the hard pipe fixedly communicated with the front end of the solenoid valve (504) is fixedly communicated with the front end of the upper cavity box (512). An upper igniter (513) is fixedly communicated with the bottom end of the upper cavity box (512). A lower igniter (514) is fixedly communicated with the top end of the lower cavity box (506).

2. The powder metallurgy sintering and forming equipment according to claim 1, characterized in that: The right end of the card rack (1) and the inner side of the left end of the pressing plate (502) are fixedly arranged through a connecting plate. The two round rods (3) are symmetrically distributed on the front and rear sides of the threaded rod (4).

3. The powder metallurgy sintering and forming equipment according to claim 1, wherein: The left end of the baffle (505) contacts the right end of the backing plate (508). The bottom end of the sleeve (511) is communicated with the inside of the lower igniter (514) and the inside of the lower cavity box (506).

4. The powder metallurgy sintering and forming equipment according to claim 1, wherein: The material frame (510) is located in the inner area of the surrounding frame (509). A semi-circular hole is opened at the top of the frame edge of the material frame (510).

5. The powder metallurgy sintering and forming equipment according to claim 1, characterized in that: The front end of the solenoid valve (504) is fixedly communicated with a hard pipe which is fixedly arranged inside the front end of the protective frame (501). A powder metallurgy compact is placed on the top of the frame edge of the material frame (510).

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