Quantitative powder adding device for powder metallurgy

Abstract

The utility model discloses a powder metallurgy quantitative powder adding device which comprises a pipe body, a push plate is connected in the pipe body in a sealed and sliding mode, a press machine is arranged below the push plate, an air pressure pipe is installed on the press machine, the upper end of the air pressure pipe is fixedly connected with the push plate, the upper end of the pipe body is fixedly connected with a powder outlet pipe, and the lower end of the pipe body is fixedly connected with the powder outlet pipe. A pushing block is connected into the powder outlet pipe in a sealed and sliding mode, and a pushing mechanism used for pushing the pushing block is arranged in the powder outlet pipe. When the metal powder adding device is used for adding metal powder, the quantity is more accurate, and the metal powder is more convenient to add.

Description

Technical Field

[0001] The utility model specifically relates to the field of powder metallurgy, in particular to a powder metallurgy quantitative powder adding device. Background Art

[0002] Powder metallurgy is a process technology that produces metal powder or uses metal powder as raw material, and then forms and sinters it to manufacture metal materials, composite materials and various types of products. Powder metallurgy is similar to the production of ceramics, both of which belong to powder sintering technology. Therefore, a series of new powder metallurgy technologies can also be used in the preparation of ceramic materials. Due to the advantages of powder metallurgy technology, it has become the key to solving new material problems and plays a vital role in the development of new materials.

[0003] In the existing powder metallurgy, when adding metal powder, the amount of metal powder needs to be weighed before adding. During the adding process, the powder is prone to sticking to the container, which makes adding inconvenient and the amount of powder added is inaccurate.

[0004] Therefore, we propose a powder metallurgy quantitative powder adding device to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the problem that the amount of metal powder added in the prior art is easily inaccurate, and proposes a powder metallurgy quantitative powder adding device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A powder metallurgy quantitative powder adding device comprises a tube body, a push plate is sealingly and slidably connected inside the tube body, a press is provided below the push plate, an air pressure tube is installed on the press, the upper end of the air pressure tube is fixedly connected to the push plate, a powder outlet pipe is fixedly connected to the upper end of the tube body, a push block is sealingly and slidably connected inside the powder outlet pipe, and a pushing mechanism for pushing the push block is provided inside the powder outlet pipe.

[0008] Preferably, the pushing mechanism includes a threaded rod fixedly connected to the pushing block, the threaded rod slidingly passes through the powder outlet pipe, the outer thread of the threaded rod is provided with a threaded sleeve, the threaded sleeve is rotatably connected to the inner wall of the powder outlet pipe, the powder outlet pipe is fixedly connected to a motor, the driving shaft of the motor rotates and passes through the powder outlet pipe and is connected to the threaded sleeve through a bevel gear set.

[0009] Preferably, the bevel gear set comprises a first bevel gear and a second bevel gear meshing with each other, the first bevel gear is coaxially fixedly connected to the driving shaft of the motor, and the second bevel gear is coaxially fixedly connected to the threaded sleeve.

[0010] Preferably, a hopper is fixedly connected to the outer side wall of the tube body, the hopper is communicated with the tube body, and a plug plate matching the hopper is inserted on the tube body.

[0011] Preferably, the right end of the powder outlet pipe is opened, and an inclined surface is provided at the lower side of the right end of the powder outlet pipe.

[0012] Preferably, the air pressure tube is a bellows.

[0013] Preferably, the tube body is transparent, and scales are engraved on the surface of the tube body.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] By setting a pushing mechanism and inflating the air pressure tube through a press, the air pressure tube is propped up and drives the push plate to rise and fall, the push plate lifts a quantitative amount of metal powder, and then the motor drives the threaded sleeve to rotate, the threaded sleeve drives the threaded rod to move, the threaded rod drives the push block to move, the push block pushes the metal powder to make it slide down the inclined surface, and the quantitative addition of metal powder can be completed, the amount of metal powder added is accurate, and the addition is relatively convenient.

[0016] When the utility model adds metal powder, the amount is more accurate and the adding is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a front structural perspective view of a powder metallurgy quantitative powder adding device proposed by the utility model;

[0018] Figure 2 This is a top structural perspective view of a powder metallurgy quantitative powder adding device proposed by the utility model;

[0019] Figure 3 This is a perspective view of the structure of a powder metallurgy quantitative powder adding device proposed by the utility model when viewed from above.

[0020] In the figure: 1 tube body, 2 push plate, 3 press machine, 4 air pressure pipe, 5 powder outlet pipe, 6 push block, 7 push mechanism, 8 threaded rod, 9 threaded sleeve, 10 motor, 11 bevel gear set, 12 first bevel gear, 13 second bevel gear, 14 hopper, 15 plug plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should 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, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0026] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "upper", "lower", "left", "right" and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation method.

[0027] Reference Figure 1-3 , a powder metallurgy quantitative powder adding device, including a tube body 1, it is worth mentioning that a feeding hopper 14 is fixedly connected to the outer wall of the tube body 1, the feeding hopper 14 is connected to the tube body 1, a plug plate 15 matching the feeding hopper 14 is inserted on the tube body 1, a push plate 2 is sealingly and slidably connected inside the tube body 1, a press machine 3 is provided below the push plate 2, an air pressure pipe 4 is installed on the press machine 3, it should be noted that the air pressure pipe 4 is a corrugated tube, the upper end of the air pressure pipe 4 is fixedly connected to the push plate 2, the upper end of the tube body 1 is fixedly connected to a powder outlet pipe 5, it should be noted that the right end of the powder outlet pipe 5 is open, an inclined surface is provided on the lower side of the right end of the powder outlet pipe 5, and a push block 6 is sealingly and slidably connected inside the powder outlet pipe 5.

[0028] In the utility model, a pushing mechanism 7 for pushing the push block 6 is provided in the powder discharge pipe 5. Specifically, the pushing mechanism 7 includes a threaded rod 8 fixedly connected to the push block 6. The threaded rod 8 slides through the powder discharge pipe 5. The threaded rod 8 is provided with a threaded sleeve 9 on the outer thread sleeve. The threaded sleeve 9 is rotatably connected to the inner wall of the powder discharge pipe 5. The powder discharge pipe 5 is fixedly connected to a motor 10. It should be noted that the motor 10 can adopt a stepping motor of model PLX, and has been electrically connected to an external power supply. It is a prior art and will not be described in detail. The driving shaft of the motor 10 rotates through the powder discharge pipe 5 and is connected to the threaded sleeve 9 through a bevel gear set 11. Further, the bevel gear set 11 includes a first bevel gear 12 and a second bevel gear 13 that are meshed with each other. The first bevel gear 12 is coaxially fixedly connected to the driving shaft of the motor 10, and the second bevel gear 13 is coaxially fixedly connected to the threaded sleeve 9.

[0029] In the utility model, the air pressure tube 4 is inflated by the press machine 3, the air pressure tube 4 is propped up and drives the push plate 2 to rise and fall, the push plate 2 lifts the quantitative metal powder, and then the motor 10 drives the threaded sleeve 9 to rotate, the threaded sleeve 9 drives the threaded rod 8 to move, the threaded rod 8 drives the push block 6 to move, the push block 6 pushes the metal powder to slide down the inclined surface, and the quantitative addition of metal powder can be completed.

[0030] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A powder metallurgy quantitative powder adding device, characterized in that: The invention comprises a tube body (1), a push plate (2) is sealingly and slidably connected inside the tube body (1), a press machine (3) is provided below the push plate (2), an air pressure pipe (4) is installed on the press machine (3), the upper end of the air pressure pipe (4) is fixedly connected to the push plate (2), a powder outlet pipe (5) is fixedly connected to the upper end of the tube body (1), a push block (6) is sealingly and slidably connected inside the powder outlet pipe (5), and a pushing mechanism (7) for pushing the push block (6) is provided inside the powder outlet pipe (5).

2. A powder metallurgy quantitative powder adding device as claimed in claim 1, characterized in that: The pushing mechanism (7) comprises a threaded rod (8) fixedly connected to the pushing block (6); the threaded rod (8) slides through the powder outlet pipe (5); an external thread sleeve (9) is provided on the threaded rod (8); the threaded sleeve (9) is rotatably connected to the inner wall of the powder outlet pipe (5); a motor (10) is fixedly connected to the outside of the powder outlet pipe (5); a drive shaft of the motor (10) rotatably penetrates the powder outlet pipe (5) and is transmission-connected to the threaded sleeve (9) via a bevel gear set (11).

3. A powder metallurgy quantitative powder adding device as claimed in claim 2, characterized in that: The bevel gear set (11) comprises a first bevel gear (12) and a second bevel gear (13) meshing with each other, the first bevel gear (12) being coaxially fixedly connected to a drive shaft of the motor (10), and the second bevel gear (13) being coaxially fixedly connected to a threaded sleeve (9).

4. A powder metallurgy quantitative powder adding device as claimed in claim 1, characterized in that: A charging hopper (14) is fixedly connected to the outer wall of the tube body (1), the charging hopper (14) is in communication with the tube body (1), and a plug plate (15) matching the charging hopper (14) is inserted into the tube body (1).

5. A powder metallurgy quantitative powder adding device as claimed in claim 1, characterized in that: The right end of the powder outlet pipe (5) is arranged to be open, and an inclined surface is arranged on the lower side of the right end of the powder outlet pipe (5).

6. A powder metallurgy quantitative powder adding device as claimed in claim 1, characterized in that: The air pressure tube (4) is a bellows.

7. A powder metallurgy quantitative powder adding device as claimed in claim 1, characterized in that: The tube body (1) is transparent, and a scale is engraved on the surface of the tube body (1).

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