CN214300356U - Powder feeding device for cold spraying - Google Patents
Powder feeding device for cold spraying Download PDFInfo
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- CN214300356U CN214300356U CN202120456094.9U CN202120456094U CN214300356U CN 214300356 U CN214300356 U CN 214300356U CN 202120456094 U CN202120456094 U CN 202120456094U CN 214300356 U CN214300356 U CN 214300356U
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Abstract
The utility model discloses a send whitewashed device for cold spraying, the power distribution box comprises a box body, the powder storehouse of setting in the box, the pressure balance pipe of being connected with the upper end of powder storehouse lateral wall, install in the control motor at powder storehouse top, the axis of rotation of being connected with the control motor output and fix at the terminal screw rod of axis of rotation, the axis of rotation is in the inside of feed bin, be provided with stirring vane in the axis of rotation, powder storehouse lower extreme is equipped with the discharge gate, the inside wear-resisting cover that has cup jointed of discharge gate, the screw rod lower extreme passes wear-resisting cover, the discharge gate lower extreme is fixed with and send whitewashed pipe, pressure balance pipe lower extreme passes through the tee bend connector and send whitewashed union coupling. The utility model discloses a set up the axis of rotation, control motor drive axis of rotation is rotatory, and the axis of rotation drives stirring vane and stirs the spraying powder in the powder storehouse, and then destroys the cluster of powder, avoids arousing the jam.
Description
Technical Field
The utility model relates to a spraying technical field especially relates to a send whitewashed device for cold spraying.
Background
Cold gas dynamic spraying technology, called cold spraying for short, is a spraying technology which accelerates metal powder to a certain critical speed through high-pressure gas, impacts the surface of a matrix to be sprayed and finally deposits the metal powder on the surface of the matrix by strong plastic deformation. In the cold spraying process, the preparation of the coating is a continuous process, and the powder feeding device is related to whether the powder can be stably, uniformly and continuously conveyed, and finally the performance of the coating (including the uniformity, thickness, deposition efficiency and the like of the coating) is influenced.
The existing powder feeding device has poor liquidity even if balance gas enters the powder box because the spraying powder in the powder box is too much; in addition, the sprayed powder has small particles, powder clusters are easy to occur, so that blockage and explosion are easy to occur, and potential safety hazards exist.
Therefore, it is necessary to provide a powder feeding device for cold spraying to solve the above problems of the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a send whitewashed device for cold spray to the spraying powder that solves prior art existence takes place the powder cluster easily, leads to the problem of jam.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a send whitewashed device for cold spraying, its includes the box, sets up powder storehouse in the box, with the pressure balance pipe that the upper end of powder storehouse lateral wall is connected, install in the control motor at powder storehouse top, with the axis of rotation that the control motor output is connected and fix the terminal screw rod of axis of rotation, the axis of rotation is in the inside of feed bin, be provided with stirring vane in the axis of rotation, powder storehouse lower extreme is equipped with the discharge gate, the inside wear-resisting cover that has cup jointed of discharge gate, the screw rod lower extreme passes wear-resisting cover, the discharge gate lower extreme is fixed with and send whitewashed pipe, pressure balance pipe lower extreme pass through the tee junction head with send whitewashed union coupling.
The powder feeding pipe comprises a first interface, a second interface and a third interface, the discharge port is connected with the first interface, and the lower end of the pressure balance pipe is connected with the second interface through the three-way connector.
The center lines of the second interface and the third interface are on the same horizontal line, and the center lines of the first interface and the second interface are perpendicular to each other.
The powder feeding pipe is connected with the powder bin in a flange sealing mode, an inner thread is arranged on the inner wall of a first connector of the powder feeding pipe, an outer thread is arranged on the outer wall of the wear-resistant sleeve, and the wear-resistant sleeve is arranged in the first connector.
The powder feeding device for cold spraying further comprises a gas heating device, the three-way connector comprises a first connecting end, a second connecting end and a third connecting end, the first connecting end is connected with the gas heating device through a gas path pipeline, the second connecting end is connected with the pressure balance pipe, and the third connecting end is connected with the powder feeding pipe.
A cavity is enclosed between the box body and the powder bin, a heating sleeve is arranged in the cavity and is sleeved on the periphery of the powder bin, a cavity is formed in the heating sleeve, a water inlet and a water outlet are formed in the heating sleeve, and the water inlet is located below the water outlet.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that: through setting up the axis of rotation, control motor drive axis of rotation is rotatory, and the axis of rotation drives stirring vane and stirs the spraying powder in the powder storehouse, and then destroys the cluster of powder, avoids arousing the jam.
Drawings
FIG. 1 is a schematic structural view of a powder feeding device for cold spraying according to the present invention;
fig. 2 is an enlarged schematic view of region a in fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 2, the utility model relates to a powder feeding device for cold spraying, the power distribution box comprises a box body 1, the powder storehouse 2 of setting in box 1, the pressure balance pipe 3 of being connected with the upper end of powder storehouse 2 lateral walls, install in the control motor 4 at powder storehouse 2 top, axis of rotation 5 of being connected with control motor 4 output and fix at the terminal screw rod 6 of axis of rotation 5, axis of rotation 5 is in the inside of feed bin 2, be provided with stirring vane 51 in the axis of rotation 5, 2 lower extremes in powder storehouse are equipped with discharge gate 21, the inside wear-resisting cover 22 that has cup jointed of discharge gate 21, wear-resisting cover 22 is passed to 6 lower extremes of screw rod, 21 lower extremes of discharge gate are fixed with and send powder pipe 23, 3 lower extremes of pressure balance pipe pass through three way connection head 7 and send powder pipe 23 to be connected.
In this embodiment, the powder feeding pipe 23 includes a first port 231, a second port 232 and a third port 233, the discharge port 21 is connected to the first port 231, and the lower end of the pressure balance pipe 3 is connected to the second port 232 through a three-way connector 7.
The center lines of the second port 232 and the third port 233 are on the same horizontal line, and the center lines of the first port 231 and the second port 232 are perpendicular to each other. Send powder pipe 23 and powder storehouse 2 with flange form sealing connection, send the first interface 231 inner wall of powder pipe 23 to be equipped with the internal thread, wear-resisting cover 22 outer wall is equipped with the external screw thread, wear-resisting cover 22 is packed into in first interface 231, realizes wear-resisting cover 22 and send the dismantled of powder pipe 23 to be connected, is convenient for regularly change wear-resisting cover 22.
The utility model discloses a send whitewashed device for cold spraying still includes gaseous heating device 8, and tee junction head 7 includes first link 71, second link 72 and third link 73, and first link 71 passes through gas circuit pipeline 9 to be connected with gaseous heating device 8, and second link 72 is connected with pressure balance pipe 3, and third link 73 is connected with the second interface 232 that send whitewashed pipe 34.
A cavity 11 is enclosed between the box body 1 and the powder bin 2, a heating jacket 12 is arranged in the cavity 11, the heating jacket 12 is sleeved on the periphery of the powder bin 2, a cavity is formed in the heating jacket 12, a water inlet and a water outlet (not shown) are further formed in the heating jacket 12, the water inlet is located below the water outlet, and high-temperature water is injected into the cavity through the water inlet and used for carrying out preheating treatment on the spraying powder.
The utility model discloses a working process: the pressure in the powder bin 2 and the pressure in the powder feeding pipe 23 are always in a balanced state under the action of the pressure balance pipe 3, when the rotating shaft 5 rotates, the outer surface of the screw rod 6 is provided with a spiral groove 61, the spraying powder enters the powder feeding pipe 23 along with the spiral groove 61 of the screw rod 6, and the gas pressure in the powder bin 2 and the pressure in the powder feeding pipe 23 are kept balanced as the powder bin 2 is communicated with the pressure balance pipe 23; meanwhile, the rotating shaft 5 drives the stirring blade 51 to stir the spraying powder in the powder bin 2.
The utility model discloses a set up axis of rotation 5, control motor 4 drive axis of rotation 5 is rotatory, and axis of rotation 5 drives stirring vane 51 and stirs the spraying powder in powder storehouse 2, and then destroys the cluster of powder, avoids arousing the jam.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a powder feeding device for cold spraying which characterized in that: it includes the box, sets up powder storehouse in the box, with the pressure balance pipe that the upper end of powder storehouse lateral wall is connected, install in the control motor at powder storehouse top, with the axis of rotation that the control motor output is connected and fix the terminal screw rod of axis of rotation, the axis of rotation is in the inside of feed bin, be provided with stirring vane in the axis of rotation, powder storehouse lower extreme is equipped with the discharge gate, the inside wear-resisting cover that has cup jointed of discharge gate, the screw rod lower extreme passes wear-resisting cover, the discharge gate lower extreme is fixed with and send the powder pipe, pressure balance pipe lower extreme pass through the tee bend connector with send the powder union coupling.
2. The powder feeding device for cold spray according to claim 1, characterized in that: the powder feeding pipe comprises a first interface, a second interface and a third interface, the discharge port is connected with the first interface, and the lower end of the pressure balance pipe is connected with the second interface through the three-way connector.
3. The powder feeding device for cold spray according to claim 2, characterized in that: the center lines of the second interface and the third interface are on the same horizontal line, and the center lines of the first interface and the second interface are perpendicular to each other.
4. The powder feeding device for cold spray according to claim 3, characterized in that: the powder feeding pipe is connected with the powder bin in a flange sealing mode, an inner thread is arranged on the inner wall of a first connector of the powder feeding pipe, an outer thread is arranged on the outer wall of the wear-resistant sleeve, and the wear-resistant sleeve is arranged in the first connector.
5. The powder feeding device for cold spray according to claim 1, characterized in that: the three-way connector comprises a first connecting end, a second connecting end and a third connecting end, the first connecting end is connected with the gas heating device through a gas path pipeline, the second connecting end is connected with the pressure balance pipe, and the third connecting end is connected with the powder feeding pipe.
6. The powder feeding device for cold spray according to claim 1, characterized in that: a cavity is enclosed between the box body and the powder bin, a heating sleeve is arranged in the cavity and is sleeved on the periphery of the powder bin, a cavity is formed in the heating sleeve, a water inlet and a water outlet are formed in the heating sleeve, and the water inlet is located below the water outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120456094.9U CN214300356U (en) | 2021-03-03 | 2021-03-03 | Powder feeding device for cold spraying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120456094.9U CN214300356U (en) | 2021-03-03 | 2021-03-03 | Powder feeding device for cold spraying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214300356U true CN214300356U (en) | 2021-09-28 |
Family
ID=77835490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120456094.9U Active CN214300356U (en) | 2021-03-03 | 2021-03-03 | Powder feeding device for cold spraying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214300356U (en) |
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2021
- 2021-03-03 CN CN202120456094.9U patent/CN214300356U/en active Active
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