A delivery device and method for plasma powder production

Abstract

The application relates to the technical field of metal powder pipeline transportation, and discloses a conveying device and a conveying method for plasma powder production, which comprise a main body structure and a reversing structure, and the reversing structure is fixedly arranged on the main body structure; wherein the main body structure is used for bearing the reversing structure and a pipeline adapter for conveying, and the main body structure is used for a turning point or a terminal end of pipeline transportation; through the design of a T-shaped conveying shell and the overturning adjustment of the arc-shaped air deflector and the first baffle and the second baffle, the left end of the conveying shell is entered, the output from the right end or the front end of the conveying shell is controlled, the adjustment and control of linear turning or right-angle turning are realized; in linear conveying, the corresponding first baffle and air deflector are used to realize space narrowing, then the connecting air pump of the air inlet chamber is used to form negative pressure between the air deflector and the first baffle while promoting the air pressure to be conveyed to the right end, and the auxiliary conveying is realized, and the application is especially suitable for long-path conveying.

Description

Technical Field

[0001] The present invention relates to the technical field of metal powder pipeline transportation, and in particular to a transportation device and a transportation method for plasma powder making. Background Art

[0002] In the field of plasma powder making technology, the conveying process of metal powder has a direct impact on the particle size, morphology and purity of the powder. The stability and rationality of the conveying device are one of the key factors to ensure the quality of powder making.

[0003] Currently, during the plasma powder production process, metal powder is typically conveyed through pipelines and under negative pressure. The conveying path inevitably includes turning points (such as right-angle turns) or end connections. At these critical locations, the metal powder's own inertia can easily cause violent collisions between the powder and the inner wall of the pipeline. This collision not only destroys the metal powder's morphology, affecting the quality of the final powder product, but also causes wear on the inner wall of the pipeline, shortening the service life of the equipment. It can even cause pipeline blockage due to powder accumulation, affecting the continuity and safety of conveying. This is especially true when conveying long paths or hot metal powders, which are often transported through metal pipelines.

[0004] Existing conveying devices often have the problem of insufficient control flexibility when dealing with switching between different conveying paths (such as the conversion between direct pipelines and turning pipelines). Therefore, to address the pain point of conveying metal powder at the turning point of the pipeline in plasma powder making, a conveying device is designed that can effectively reduce powder impact, flexibly control the conveying direction, and has an auxiliary conveying function, so as to improve the stability and safety of metal powder conveying and the final powder making quality. Summary of the Invention

[0005] The object of the present invention is to provide a conveying device and a conveying method for plasma powder making to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a conveying device for plasma powder making, comprising a main structure and a reversing structure, wherein the reversing structure is fixedly arranged on the main structure; wherein the main structure is used to carry the reversing structure and the pipeline transfer for conveying, the main structure is used for the turning point or end of the pipeline conveying, and the reversing structure is used to match the direct connection or turning control of the pipeline conveying, and prevent the metal powder conveyed at the turning point from hitting the inner wall.

[0007] Preferably, the main body structure comprises a conveying shell, an air inlet chamber, a guide plate and a docking unit; the conveying shell is a convex cavity structure, and has three end portions of a left end, a right end and a front end, the three end portions of the conveying shell are provided with docking interfaces, a first compensation slot is formed at the right corner of the inner wall of the conveying shell, an adjusting slot is formed at the front side of the left end of the conveying shell and communicates with the front end, a moving port is formed at the front side of the adjusting slot and is located at the left side of the front end of the conveying shell, an L-shaped heat dissipation slot that communicates with the lower wall is formed at the rear side of the left end of the conveying shell, one end of the air inlet chamber is fixedly connected to the rear side wall of the conveying shell and is obliquely arranged at the left side of the front end of the conveying shell, the air inlet chamber communicates with the heat dissipation slot, the guide plate is arc-shaped, one end of the guide plate is fixedly arranged on the inner rear side wall of the conveying shell and is located at the left side of the air inlet chamber, the other end of the guide plate is located at the front side of the air inlet chamber and corresponds to the left side wall of the front end of the conveying shell, and the docking unit is movably arranged on the front side of the conveying shell.

[0008] Preferably, the docking unit comprises a limiting seat, a screw rod, a docking plate and a rotating seat; one end of the limiting seat is fixedly arranged on the front side wall of the conveying shell and corresponds to the right side of the moving port, one end of the screw rod movably penetrates the limiting seat, the docking plate is movably inserted into the adjusting slot, the left end of the docking plate corresponds to the moving port, and the right end of the docking plate can be located at the front end portion of the conveying shell, and a second compensation slot is formed at the rear side wall of the right end of the docking plate.

[0009] Preferably, the reversing structure comprises a reversing frame, a pipe seat, a reversing shaft, a spring, a first gear, a pair of sleeve shafts, a pair of second gears, a first baffle and a second baffle; the reversing frame is obliquely arranged on the conveying shell and is located at the right side of the front end, the pipe seat is a T-shaped pipe body, a lifting port penetrates the pipe seat, one end of the pipe seat movably penetrates the middle portion of the reversing frame and can rotate, one end of the reversing shaft movably penetrates the pipe seat and is matched with the lifting port of the pipe seat, the reversing shaft can move up and down, the spring is movably sleeved on the reversing shaft and is located between the pipe seat and one end of the reversing shaft, the first gear is fixedly arranged on the other end of the reversing shaft and can be attached to the upper wall of the conveying shell, one end of each of the pair of sleeve shafts movably penetrates the upper wall of the conveying shell and is obliquely arranged on the right side of the front end of the conveying shell, one of the sleeve shafts corresponds to the first compensation slot, one end of each of the pair of second gears is fixedly arranged on the sleeve shaft and is engaged with the first gear, one end of the first baffle is fixedly sleeved on one of the sleeve shafts and is located in the first compensation slot, the first baffle is arc-shaped and the other end of the first baffle can be located in the second compensation slot, and the second baffle is fixedly sleeved on the other sleeve shaft and is arc-shaped.

[0010] Preferably, the other end of the second baffle can be attached to the other end of the guide plate.

[0011] Preferably, the other end of the second baffle can be attached to the rear side wall of the conveying shell.

[0012] Preferably, the other end of the first baffle can fit into one end of the second baffle.

[0013] Preferably, the first baffle and the second baffle are both in contact with the upper and lower side walls of the conveying shell.

[0014] Preferably, the first baffle and the second baffle have the same rotation direction and rotation angle.

[0015] A conveying method for plasma powder making comprises the following steps:

[0016] Step 1: Use the conveying shell to connect the turning point of the metal conveying pipe to achieve the right-angle pipe connection;

[0017] Step 2: The reversing shaft in the reversing structure rotates to cause the first baffle and the second baffle to rotate in the same direction and at the same angle, thereby adjusting the conveying direction of the T-shaped conveying housing;

[0018] Step 3: When the first baffle is in contact with one end of the second baffle, and the second baffle is in contact with the rear side wall of the conveying housing, the first baffle and the second baffle block and close the right end of the conveying housing, thereby connecting the left end of the conveying housing with the front end, achieving right-angle connection. At the same time, with the help of the arc design of the first baffle and the second baffle, the arc wall surface of the right-angle inner cavity side wall is realized, reducing the collision of the conveying with the inner wall;

[0019] Step 4: Connect an air pump through the air inlet chamber to perform auxiliary air pressure delivery, and blow air from the right-angle corner to the front end of the conveying shell, further promoting the direct deflection of the force at the corner during metal powder delivery, and the wall collides with the inner wall of the corner due to its own collision;

[0020] Step 5. When the second baffle is docked with the air guide plate and the first baffle is docked with the docking plate, the front end of the conveying shell is closed to achieve straight-line connection between the left and right ends. At this time, the air pump is connected to the air inlet chamber to generate negative pressure to provide power for the turning part.

[0021] The present invention provides a conveying device and a conveying method for plasma powder making. The conveying shell is designed in a T-shape, and the arc shape of the air guide plate and the flip adjustment of the first baffle and the second baffle are used to realize entry from the left end of the conveying shell and control output from the right end or the front end of the conveying shell, thereby realizing regulation of straight-line turning or right-angle turning. In straight-line conveying, the correspondence between the first baffle and the air guide plate is used to narrow the space, and then the air pump connected to the air inlet chamber is used to promote air pressure to be conveyed to the right end, while assisting in forming negative pressure between the air guide plate and the first baffle, thereby assisting conveying. It is particularly suitable for conveying over a long path to avoid a decrease in air pressure and wind force. The arc-shaped first baffle and the second baffle can also be used to promote the air entering the air inlet chamber to be blown out from the front end of the conveying shell using an arc guide, so that while assisting air pressure conveying, force can be applied to the powder conveyed in a straight line, so that the powder is guided to avoid direct collision. The beneficial effects are:

[0022] 1. The synchronous flipping adjustment of the first and second baffles can accurately achieve switching between "straight-line conveying" (input from the left end and output from the right end) and "right-angle conveying" (input from the left end and output from the front end). This meets the switching requirements of different pipeline paths during the plasma powder making process and can adapt to various conveying scenarios at turning points or ends without changing the conveying device.

[0023] 2. During straight-line conveying, the first baffle and the air guide plate cooperate to form a curved transition structure, avoiding the impact of the hard wall of the traditional right-angle pipe. During right-angle conveying, the curved first and second baffles form a curved inner wall, replacing the right-angle corner, reducing the probability of powder hitting the inner wall due to inertia.

[0024] After the airflow into the air chamber is guided by the arc-shaped air guide plate or baffle, it can exert lateral thrust on the powder, guiding it to turn along the arc, further avoiding powder breakage and morphological destruction caused by direct impact, and ensuring the particle size and morphology stability of the final metal powder.

[0025] 3. During linear conveying, the cooperation between the first baffle and the air guide plate narrows the local space. When the air inlet chamber is connected to the air pump, the positive air pressure can push the powder to the right end and form a negative pressure between the air guide plate and the first baffle, thereby enhancing the adsorption and traction force on the powder. This is especially suitable for conveying over longer distances and effectively avoids conveying stagnation or accumulation caused by wind attenuation.

[0026] 4. The three-end docking ports of the T-shaped conveying housing can be directly connected to the external pipeline, with a compact structure and convenient transfer; the first compensation groove and the second compensation groove are respectively docked with the first baffle to ensure the sealing performance when the baffle is flipped to prevent powder leakage.

[0027] 5. The reversing structure realizes synchronous rotation of the first baffle and the second baffle by gear transmission, cooperates with the reset function of the spring, and only needs to press and rotate the reversing shaft to complete the switching of the conveying direction, so that the operation is simple and the control precision is high, and the path adjustment demand in production can be quickly responded. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 It is an assembly structure diagram of the application;

[0029] Figure 2 It is a use display structure diagram of the application;

[0030] Figure 3 It is a split structure diagram of the main body structure of the application;

[0031] Figure 4 It is a split structure diagram of the reversing structure of the application;

[0032] Figure 5 It is an assembly structure diagram of the reversing structure of the application;

[0033] Figure 6 It is an assembly structure diagram of the main body structure, the first baffle and the second baffle of the application;

[0034] Figure 7 It is a partial enlarged view of A in Figure 3

[0035] In the figure: 1, main body structure, 11, conveying shell, 12, air inlet chamber, 13, air guide plate, 14, butt joint unit, 141, limiting seat, 142, screw rod, 143, butt joint plate, 144, rotating seat, 2, reversing structure, 21, reversing frame, 22, pipe seat, 23, reversing shaft, 24, spring, 25, first gear, 26, sleeve shaft, 27, second gear, 28, first baffle, 29, second baffle, 3, adjusting groove, 4, moving port, 5, heat dissipation groove, 6, first compensation groove, 7, second compensation groove. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, not all the embodiments. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the application.

[0037] Please refer to Figures 1-7 ​The present invention provides a technical solution: a conveying device for plasma powder making, comprising a main structure 1 and a reversing structure 2, the reversing structure 2 being fixedly arranged on the main structure 1; wherein the main structure 1 is used to carry the reversing structure 2 and the pipeline transfer for conveying, the main structure 1 is used for the turning point or end of the pipeline conveying, and the reversing structure 2 is used to match the direct connection or turning control of the pipeline conveying, and prevent the metal powder conveyed at the turning point from hitting the inner wall.

[0038] As a preferred solution, the main structure 1 includes a conveying shell 11, an air inlet chamber 12, an air guide plate 13 and a docking unit 14; the conveying shell 11 is a convex cavity structure, and it has three end portions: a left end, a right end and a front end. A docking port is provided in the middle of the three ends of the conveying shell 11, and a first compensation groove 6 is provided at the right corner of the inner wall of the conveying shell 11. An adjustment groove 3 connected to the front end is provided on the front side of the left end of the conveying shell 11, and a movable port 4 is provided on the front side of the adjustment groove 3, and the movable port 4 is located on the left side of the front end of the conveying shell 11. An L-shaped heat dissipation groove 5 connected to the lower wall is provided on the rear side of the left end of the conveying shell 11. One end of the air inlet chamber 12 is fixedly connected to the rear wall of the conveying shell 11 and is located on the conveying shell 11. The left side of the front end of the shell 11 is tilted, the air inlet chamber 12 is connected to the heat dissipation slot 5, the air guide plate 13 is arc-shaped, one end of the air guide plate 13 is fixedly set on the inner rear wall of the conveying shell 11, and is located on the left side of the air inlet chamber 12, the other end of the air guide plate 13 is located in the front side of the air inlet chamber 12, and the other end of the air guide plate 13 corresponds to the left side wall of the front end of the conveying shell 11, and the docking unit 14 is movably set on the front side of the conveying shell 11; a cavity is formed by the conveying shell 11 for docking and transfer, which serves as a turning point for pipeline connection, and the air pump is connected through the air inlet chamber 12 to convey gas and assist in conveying, and the air blowing to the air inlet chamber 12 is guided by the air guide plate 13, and the closed communication at the front end of the conveying shell 11 is matched through the docking unit 14.

[0039] More specifically, the various components of the main structure 1 work together to provide a stable installation foundation for the reversing structure 2, and through the cavity design of the conveying shell 11, the air flow assistance of the air inlet chamber 12, the air flow guidance of the air guide plate 13 and the port regulation of the docking unit 14, the stable conveying of metal powder at the turning point or end of the pipeline is achieved. The air pressure sensor and the safety valve are installed at the end docking interface of the air inlet chamber 12 (air source end) and the conveying shell 11, which is convenient for monitoring the core air pressure source and the pressure status of the entire conveying process, and can also achieve effective pressure relief. At the same time, an additional air pressure monitoring system is configured for monitoring.

[0040] As a preferred solution, the docking unit 14 includes a limit seat 141, a screw 142, a docking plate 143 and a rotary seat 144; one end of the limit seat 141 is fixedly arranged on the front side wall of the conveying shell 11, and the limit seat 141 is located on the right side of the moving port 4, one end of the screw 142 movably passes through the limit seat 141, and the docking plate 143 is movably inserted in the adjustment slot 3, the left end of the docking plate 143 corresponds to the moving port 4, and the right end of the docking plate 143 can be located at the front end of the conveying shell 11, and the rear side wall of the right end of the docking plate 143 is provided with a second compensation slot 7; by rotating the screw 142, the rotary seat 144 is subjected to force, and the docking plate 143 is driven to move by limiting the position in the moving port 4.

[0041] More specifically, when the device needs to switch to the straight-line conveying mode, the operator drives the screw 142 to rotate spirally in the limit seat 141 by rotating the rotary seat 144. Since the rotary seat 144 is laterally limited by the movable port 4, the rotational movement of the screw 142 is converted into the axial movement of the docking plate 143 along the adjustment groove 3; when the right end of the docking plate 143 extends to the inside of the front end of the conveying shell 11, and the second compensation groove 7 is in contact with the end of the first baffle 28, the sealing of the front end port is completed, ensuring that the metal powder is only conveyed along the straight path at the left and right ends; on the contrary, when switching to the right-angle conveying mode, the rotary seat 144 is rotated in the opposite direction to retract the docking plate 143 into the adjustment groove 3, thereby removing the obstruction to the front end port and cooperating with the reversing structure 2 to achieve communication between the left end and the front end.

[0042] The docking unit 14 can precisely control the opening and closing state of the front end port of the conveying housing 11, and the arc-shaped cooperation between the second compensation groove 7 and the first baffle 28 can effectively reduce powder impact and improve the sealing performance and conveying stability of the device.

[0043] As a preferred solution, the reversing structure 2 includes a reversing frame 21, a tube seat 22, a reversing shaft 23, a spring 24, a first gear 25, a pair of sleeve shafts 26, a pair of second gears 27, a first baffle 28 and a second baffle 29; the reversing frame 21 is tilted and arranged on the conveying shell 11 and is located on the right side of the front end, the tube seat 22 is a T-shaped tube body, and a lifting port is provided through the middle of the tube seat 22, one end of the tube seat 22 is movable through the middle of the reversing frame 21, and the tube seat 22 can rotate, one end of the reversing shaft 23 is movable through the tube seat 22, and the reversing shaft 23 is matched with the lifting port of the tube seat 22, the reversing shaft 23 can be lifted and moved, the spring 24 is movably sleeved on the reversing shaft 23, and the spring 24 is located between the tube seat 22 and one end of the reversing shaft 23, the first gear 25 is fixedly provided on the other end of the reversing shaft 23, and the first gear 25 can be located on the upper wall of the conveying shell 11 and fit. One end of a pair of sleeve shafts 26 respectively moves through the upper wall of the conveying shell 11, and the sleeve shafts 26 are arranged obliquely on the right side of the front end of the conveying shell 11, one of the sleeve shafts 26 corresponds to the first compensation groove 6, a pair of second gears 27 are respectively fixedly provided on one end of the sleeve shaft 26, and the second gears 27 are respectively engaged with the first gear 25, one end of the first baffle 28 is fixedly sleeved on one of the sleeve shafts 26, and one end of the first baffle 28 is located in the first compensation groove 6, the first baffle 28 is arc-shaped, and the other end of the first baffle 28 can be located in the second compensation groove 7, the second baffle 29 is fixedly sleeved on the other sleeve shaft 26, and The second baffle 29 is arc-shaped; the reversing shaft 23 is supported by the reversing frame 21, and the reversing shaft 23 is pressed downward to cause the first gear 25 to drop to a certain height, and then the reversing shaft 23 is rotated, and the tube seat 22 is used to rotate in the reversing frame 21, so that the reversing shaft 23 synchronously drives the spring 24 to rotate, and then as the first gear 25 rotates, it engages with the two second gears 27 respectively, drives the two second gears 27 to rotate in the same direction and at the same angle, drives the first baffle 28 and the second baffle 29 to rotate, adjusts the conveying direction of the conveying shell 11, and is limited along with the reversing shaft 23 by the reverse force of the spring 24. The reversing structure 2 can flexibly adjust the conveying direction, and the cooperation of the arc-shaped first baffle 28 and the compensation groove can reduce the metal powder at the turning point. Point of impact, improve the conveying stability, the other end of the second baffle 29 can be fitted and docked with the other end of the air guide plate 13, for opening the front end of the conveying shell 11, the other end of the second baffle 29 can be fitted on the rear side wall of the conveying shell 11, for the air inlet chamber 12 to be connected to the front end of the conveying shell 11, for auxiliary conveying and preventing metal powder from colliding with the first baffle 28, the other end of the first baffle 28 can be fitted with one end of the second baffle 29, for closing the right end of the conveying shell 11, the first baffle 28 and the second baffle 29 are both fitted with the upper and lower side walls of the conveying shell 11, for design requirements, to achieve fit with the inner wall of the conveying shell 11, the first baffle 28 and the second baffle 29 have the same rotation direction and rotation angle, which are used for synchronous control.

[0044] More specifically, when it is necessary to switch the conveying direction, the operator pulls up the reversing shaft 23, compresses the spring 24 to make the first gear 25 rise and temporarily leave the meshing state with the second gear 27, or reduce the meshing depth, and then rotates the reversing shaft 23: the reversing shaft 23 drives the tube seat 22 to rotate synchronously in the reversing frame 21, and the first gear 25 rotates with the shaft; release the reversing shaft 23, the spring 24 resets and pushes it down, so that the first gear 25 re-engages with the two second gears 27, and at this time the rotational force of the first gear 25 is transmitted to the two second gears 27 through the meshing transmission; the two second gears 27 drive the corresponding sleeve shafts 26 to rotate synchronously in the same direction, and then drive the first baffle 28 and the second baffle 29 to flip synchronously in the conveying shell 11.

[0045] Switching to right-angle conveying: When the free end of the first baffle 28 is in contact with one end of the second baffle 29, and the free end of the second baffle 29 is in contact with the inner rear wall of the conveying housing 11, the right end channel of the conveying housing 11 is blocked, and the left end and the front end channel are connected through the arc-shaped inner cavity formed by the arc-shaped baffle, realizing the right-angle turning of "left end in, front end out";

[0046] Switch to linear conveying: When the free end of the second baffle 29 is in contact with the other end of the air guide plate 13, and the free end of the first baffle 28 is embedded in the second compensation groove 7 of the docking plate 143, the front channel of the conveying shell 11 is blocked, and the left and right end channels are connected through the straight path formed by the arc-shaped air guide plate and the baffle, realizing linear conveying of "in from the left end and out from the right end".

[0047] Reversing structure 2 can quickly respond to direction control needs, reduce powder impact through the synchronous linkage of the arc baffle, and ensure control accuracy through spring preload and gear engagement, significantly improving the flexibility and stability of the plasma powder making and conveying process.

[0048] The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process. The specific operations are as follows.

[0049] The device can be used to transfer pipes through the conveying shell 11, which is used as the turning point of the two pipes, input from the left end of the conveying shell 11, and output from the right end or front end of the conveying shell 11;

[0050] For example, when the conveying housing 11 is used for linear transfer, the powder enters from the left end of the conveying housing 11. At this time, the second baffle 29 is connected to the air guide plate 13, and the first baffle 28 is connected to the second compensation groove 7 of the docking plate 143. The first baffle 28 blocks the front end of the conveying housing 11.

[0051] After the powder enters the left end of the conveying housing 11 along with the air flow, the curved air guide plate 13 corresponds to the first baffle 28, which makes the conveying space smaller. The air inlet chamber 12 in the conveying structure is connected to the air pump to achieve pressure supply at the turning point and improve the wind force.

[0052] The wind from the air inlet chamber 12 is guided to the right end of the conveying housing 11 by the air guide plate 13 and blown out. With the help of the air blowing from the air inlet chamber 12, a negative pressure suction force is generated in the small space between the air guide plate 13 and the first baffle 28. The positive air pressure of the blowing pushes the powder to the right end, and a negative pressure is formed between the air guide plate 13 and the first baffle 28 to assist extraction.

[0053] For example, when entering from the left end of the conveying shell 11 and outputting from the front end of the conveying shell 11, the reversing shaft 23 in the reversing structure 2 is pressed downward, causing the reversing shaft 23 to be forced to drop a certain height in the pipe, that is, driving the first gear 25 to drop, so that the meshing area of ​​the first gear 25 and the second gear 27 is increased; then the reversing shaft 23 is rotated, causing the spring 24 to rotate synchronously with the pipe seat 22; the first gear 25 is engaged with the second gear 27 respectively, driving the two second gears 27 to rotate synchronously through the sleeve shaft 26, that is, driving the first baffle 28 located at the first compensation groove 6 to rotate, causing the contact end of the first baffle 28 and the docking plate 143 to flip to dock with the second baffle 29; and the second baffle 29 is flipped, so that the contact end of the second baffle 29 and the air guide plate 13 is flipped to dock with the rear side wall of the conveying shell 11, so that the air inlet chamber 12 is connected to the front end of the conveying shell 11;

[0054] After the reversing shaft 23 is released, the spring 24 applies a reverse force to drive the reversing shaft 23 and the first gear 25 to rise to a certain height, and the first gear 25 remains engaged with the second gear 27; and the reverse force of the spring 24 helps to limit the reversing shaft 23;

[0055] The powder then enters from the left end of the conveying housing 11 and is guided by the first baffle 28 and the second baffle 29 to be discharged from the front end of the conveying housing 11, achieving an arc-shaped corner turn at a right angle. At the same time, the air inlet chamber 12 is connected to an air pump to generate air pressure. When assisting with blowing, it can also apply force to the powder at the corner, forcing the powder to turn and be discharged, thereby preventing the powder from contacting and colliding with the first baffle 28. Especially during the conveying process over a long path, the conveying speed of the powder at the turning point is reduced, making it easier to turn and assist in conveying.

[0056] After the first baffle 28 is flipped, the screw 142 in the docking unit 14 needs to be rotated. The screw 142 rotates on the limiting seat 141, causing the rotary seat 144 to be subjected to force. The rotary seat 144, with the help of the limit of the movable opening 4, drives the docking plate 143 to move in the adjustment groove 3, so that the docking end of the docking plate 143 and the first baffle 28 completely enters the front side wall of the conveying housing 11, preventing the docking plate 143 from blocking the front outlet;

[0057] Moreover, when the air inlet chamber 12 is connected to the air pump for use, the air inlet chamber 12 is connected to the heat dissipation slot 5. As the air pump delivers, negative pressure will be generated at the connection of the heat dissipation slot 5, and external air will be drawn in, thereby realizing ventilation of the rear side wall and the lower wall of the conveying shell 11. The heat dissipation slot 5 can also be connected to the upper wall, thereby facilitating the transportation of hotter metal powder and achieving auxiliary heat dissipation.

[0058] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A conveying device for plasma powder making, characterized in that: The invention comprises a main structure (1) and a reversing structure (2), wherein the reversing structure (2) is fixedly arranged on the main structure (1); wherein the main structure (1) is used to carry the reversing structure (2) and the pipeline transfer for transportation; the main structure (1) is used for the turning point or end of the pipeline transportation; the reversing structure (2) is used to adjust the direct connection or the turning direction of the pipeline transportation and prevent the metal powder transported at the turning point from hitting the inner wall; The main structure (1) comprises a conveying shell (11), an air inlet chamber (12), an air guide plate (13) and a docking unit (14); The conveying shell (11) is a convex cavity structure, and has three ends: a left end, a right end, and a front end. The conveying shell (11) is provided with a docking port in the middle of the three ends. A first compensation groove (6) is provided at the right corner of the inner wall of the conveying shell (11). An adjustment groove (3) communicating with the front end is provided on the front side of the left end of the conveying shell (11). A moving port (4) is provided on the front side of the adjustment groove (3), and the moving port (4) is located on the left side of the front end of the conveying shell (11). An L-shaped heat dissipation groove (5) communicating with the lower wall is provided on the rear side of the left end of the conveying shell (11). The air inlet chamber One end of the air guide plate (12) is fixedly connected to the rear side wall of the conveying shell (11) and is located at an angle on the left side of the front end of the conveying shell (11). The air inlet chamber (12) is connected to the heat dissipation slot (5). The air guide plate (13) is arc-shaped. One end of the air guide plate (13) is fixedly set on the rear side wall of the conveying shell (11) and is located on the left side of the air inlet chamber (12). The other end of the air guide plate (13) is located on the front side of the air inlet chamber (12), and the other end of the air guide plate (13) corresponds to the left side wall of the front end of the conveying shell (11). The docking unit (14) is movably set on the front side of the conveying shell (11).

2. A conveying device for plasma powder making according to claim 1, characterized in that: The docking unit (14) includes a limiting seat (141), a screw (142), a docking plate (143) and a rotating seat (144); One end of the limit seat (141) is fixedly arranged on the front side wall of the conveying shell (11), and the limit seat (141) is located corresponding to the right side of the moving port (4). One end of the screw rod (142) movably passes through the limit seat (141). The docking plate (143) is movably inserted into the adjustment groove (3). The left end of the docking plate (143) corresponds to the moving port (4). The right end of the docking plate (143) can be located at the front end of the conveying shell (11). The rear side wall of the right end of the docking plate (143) is provided with a second compensation groove (7).

3. A conveying device for plasma powder making according to claim 2, characterized in that: The reversing structure (2) includes a reversing frame (21), a tube seat (22), a reversing shaft (23), a spring (24), a first gear (25), a pair of sleeve shafts (26), a pair of second gears (27), a first baffle (28), and a second baffle (29); The reversing frame (21) is tiltedly arranged on the conveying shell (11) and is located on the right side of the front end. The tube seat (22) is a T-shaped tube body, and a lifting port is provided through the middle of the tube seat (22). One end of the tube seat (22) is movable through the middle of the reversing frame (21), and the tube seat (22) can rotate. One end of the reversing shaft (23) is movable through the tube seat (22), and the reversing shaft (23) is matched with the lifting port of the tube seat (22). The reversing shaft (23) can be lifted and moved. The spring (24) is movably sleeved on the reversing shaft (23), and the spring (24) is located between the tube seat (22) and one end of the reversing shaft (23). The first gear (25) is fixedly arranged on the other end of the reversing shaft (23), and the first gear (25) can be located on the upper wall of the conveying shell (11). One end of a pair of the sleeve shafts (26) respectively moves through the upper wall of the conveying shell (11), and the sleeve shafts (26) are arranged obliquely on the right side of the front end of the conveying shell (11), one of the sleeve shafts (26) corresponds to the first compensation groove (6), a pair of the second gears (27) are respectively fixedly arranged on one end of the sleeve shaft (26), and the second gears (27) are respectively engaged with the first gear (25), one end of the first baffle (28) is fixedly sleeved on one of the sleeve shafts (26), and one end of the first baffle (28) is located in the first compensation groove (6), the first baffle (28) is arc-shaped, and the other end of the first baffle (28) can be located in the second compensation groove (7), the second baffle (29) is fixedly sleeved on the other sleeve shaft (26), and the second baffle (29) is arc-shaped.

4. A conveying device for plasma powder making according to claim 3, characterized in that: The other end of the second baffle (29) can be fitted and docked with the other end of the air guide plate (13).

5. The conveying device for plasma powder making according to claim 4, characterized in that: The other end of the second baffle (29) can be fitted onto the rear side wall of the conveying housing (11).

6. The conveying device for plasma powder making according to claim 5, characterized in that: The other end of the first baffle (28) can fit into one end of the second baffle (29).

7. The conveying device for plasma powder making according to claim 6, characterized in that: The first baffle (28) and the second baffle (29) are both fitted with the upper and lower side walls of the conveying shell (11).

8. The conveying device for plasma powder making according to claim 7, characterized in that: The first baffle (28) and the second baffle (29) have the same rotation direction and rotation angle.

9. A conveying method for plasma powder production, which is applied to the conveying device for plasma powder production according to claim 8, characterized in that: The following steps are involved: Step 1: Using the conveying shell (11) as the turning point of the metal conveying pipeline to realize the switching of the right-angle pipeline; Step 2: by rotating the reversing shaft (23) in the reversing structure (2), the first baffle (28) and the second baffle (29) are caused to rotate in the same direction and at the same angle, thereby adjusting the conveying direction of the T-shaped conveying housing (11); Step 3: When the first baffle (28) and one end of the second baffle (29) are in contact with each other, and the second baffle (29) is in contact with the rear side wall of the conveying shell (11), the first baffle (28) and the second baffle (29) block and close the right end of the conveying shell (11), thereby achieving communication between the left end and the front end of the conveying shell (11) and realizing right-angle communication. At the same time, with the help of the arc design of the first baffle (28) and the second baffle (29), the arc wall surface of the right-angle inner cavity side wall is realized, thereby reducing the collision of the conveying inner wall; Step 4: Connect an air pump through the air inlet chamber (12) to perform auxiliary air pressure transportation, and blow air from the corner of the right-angle turn to the front end of the conveying shell (11), further promoting the direct turning of the force at the corner during the metal powder transportation, and the wall collides with the inner wall of the corner due to its own force; Step 5: When the second baffle (29) is docked with the air guide plate (13) and the first baffle (28) is docked with the docking plate (143), the conveying housing (11) closes its front end, achieving linear communication between the left and right ends. At this time, an air pump is connected to the air inlet chamber (12) to generate negative pressure, providing power for the turning part.

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