Timing, quantitative and controllable full-automatic powder scattering device

Abstract

The timing, quantitative and controllable full-automatic powder scattering device comprises a feeding frame, a conveying and powder scattering mechanism and a window mechanism, and the feeding frame comprises a frame body and a feeding bin arranged at the upper end of the frame body; the conveying and powder scattering mechanism comprises a powder scattering shell, a conveying part and a powder scattering part, the powder scattering shell is arranged in the coating machine pot body, one end of the conveying part is connected with the lower portion of the feeding bin, the other end of the conveying part extends into the powder scattering shell from a pot opening of the coating machine pot body, the powder scattering part is arranged in the powder scattering shell, and the powder scattering part is located below the conveying part; and the window mechanism is sealed at a pot opening of the coating machine pot body. The device can be directly butted with the pot opening of the pot body of the coating machine in a sealing manner, so that the negative pressure in the pot body of the coating machine is ensured, the powder is automatically scattered according to the set time and powder scattering amount, and manual operation is not needed.

Description

Technical Field

[0001] The present invention relates to the technical field of pharmaceutical machinery, and particularly relates to a fully automatic powder sprinkling device with timing, quantitative, and controllable functions. Background Art

[0002] In the coating process of the pharmaceutical (mainly traditional Chinese medicine) process, a large amount of talcum powder (referred to as powder sprinkling) needs to be added to the medicines in the coating machine pot body at regular intervals. Each batch of medicines needs to be added multiple times according to the process requirements, and the requirements for powder sprinkling are relatively strict (the powder sprinkling timing should be timely, the powder sprinkling amount should be fixed, the powder sprinkling should be uniform, and the time used for each powder sprinkling should be controlled); currently, powder sprinkling is all carried out manually. Due to frequent powder sprinkling, large powder sprinkling amounts, manual timing required for each powder sprinkling, weighing required for each powder sprinkling, uniform powder sprinkling required, and powder sprinkling needs to be completed within a specified time period; therefore, relatively high requirements are imposed on the physical fitness and technical level of the operators; the accuracy of manual operation is uncontrollable, and it is difficult to improve the pharmaceutical process level. Summary of the Invention

[0003] The purpose of the present invention is to overcome the above technical problems and provide a fully automatic powder sprinkling device with timing, quantitative, and controllable functions, which can be directly and hermetically docked with the pot opening of the coating machine pot body, ensure the negative pressure in the coating machine pot body, and automatically sprinkle powder according to the set time and powder sprinkling amount without manual operation.

[0004] To achieve the above purpose, the present application provides the following technical solutions:

[0005] A fully automatic powder sprinkling device with timing, quantitative, and controllable functions, comprising:

[0006] A feeding rack, the feeding rack includes a rack body and a feeding bin arranged at the upper end of the rack body;

[0007] A conveying and powder sprinkling mechanism, the conveying and powder sprinkling mechanism includes a powder sprinkling housing, a conveying part, and a powder sprinkling part. The powder sprinkling housing is arranged in the coating machine pot body. One end of the conveying part is connected to the lower part of the feeding bin, the other end of the conveying part extends into the powder sprinkling housing from the pot opening of the coating machine pot body, the powder sprinkling part is arranged in the powder sprinkling housing, and the powder sprinkling part is located below the conveying part;

[0008] A window mechanism, the window mechanism is sealed at the pot opening of the coating machine pot body.

[0009] Further, the conveying part includes:

[0010] A conveying auger pipe, one end of the conveying auger pipe extends into the coating machine pot body and is connected to the outside of the powder sprinkling housing. An upward receiving hopper is arranged on the pipe wall at the other end of the conveying auger pipe, and the upper end of the receiving hopper is connected to the lower end of the feeding bin through a feeding connecting pipe;

[0011] The conveying auger is rotatably arranged in the conveying auger pipe and the powder spraying housing, and the conveying auger is used to convey the powder in the feeding bin to the powder spraying housing.

[0012] Further, the axes of the conveying auger pipe, the powder spraying housing and the conveying auger are all arranged parallel to the axis of the coating machine kettle body.

[0013] Further, it also includes a conveying driving mechanism arranged outside the coating machine kettle body, and the conveying driving mechanism includes:

[0014] A first motor;

[0015] A first speed reducer, the input shaft of the first speed reducer is connected to the first motor;

[0016] A first speed reducer seat, the output shaft of the first speed reducer extends into the first speed reducer seat from one end of the first speed reducer seat, a first coupling is arranged on the output shaft of the first speed reducer, the other end of the first speed reducer seat is connected to the other end of the conveying auger pipe, and the first coupling is connected to the conveying auger.

[0017] Further, the powder spraying part includes:

[0018] A powder spraying brush, the powder spraying brush is rotatably arranged in the powder spraying housing;

[0019] A powder spraying screen, the powder spraying screen is arranged at the opening at the lower end of the powder spraying housing, and the upper surface of the powder spraying screen contacts the powder spraying brush.

[0020] Further, it also includes a powder spraying driving mechanism arranged outside the coating machine kettle body, and the powder spraying driving mechanism includes:

[0021] A second motor;

[0022] A second speed reducer, the input shaft of the second speed reducer is connected to the second motor;

[0023] A second speed reducer seat, the output shaft of the second speed reducer extends into the second speed reducer seat from one end of the second speed reducer seat, the other end of the second speed reducer seat is installed on the inner side wall of the frame body, a second coupling is arranged on the output shaft of the second speed reducer, the first coupling is connected to a transmission shaft, and the transmission shaft is connected to the powder spraying brush through a third coupling.

[0024] Further, the axis of the powder spraying brush is parallel to the axis of the powder spraying housing.

[0025] Further, a horizontal mounting rod is arranged on the frame body, the mounting rod extends into the coating machine kettle body from the kettle opening of the coating machine kettle body, and the powder spraying housing is installed on the front side surface of the mounting rod.

[0026] Furthermore, the window mechanism includes:

[0027] A sealing plate, which is sealingly connected to the opening of the coating machine pot body. The mounting rod, the conveying auger pipe, and the transmission shaft respectively pass through the sealing plate and extend into the coating machine pot body;

[0028] A sealing board, which covers the gaps generated between the mounting rod, the conveying auger pipe, the transmission shaft and the sealing plate, and the sealing board is subjected to sealing treatment.

[0029] Furthermore, a window is sealingly provided on the sealing plate. The window is arranged below the sealing board, and a material taking door suitable for opening and closing is further arranged on one side of the window.

[0030] In summary, the present invention has at least the following technical effects and advantages: The present invention can be directly and sealingly docked with the opening of the coating machine pot body to ensure negative pressure in the coating machine pot body. It automatically sprays powder according to the set time and powder spraying amount, without manual operation; After pre-loading a fixed amount of powder into the external feeding bin, it is automatically conveyed to the powder spraying part in the coating machine pot body without opening the pot door; The powder spraying part can cover the entire depth of the medicine surface in the coating machine pot body, so that the entire coverage surface can receive powder evenly; The first motor and the second motor operate regularly, and can accurately control the powder spraying time; By precise time control, powder amount control, and non-contact operation to ensure the quality of the medicine, it can more accurately meet the requirements of the pharmaceutical process and greatly improve the level of the pharmaceutical process. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present application. For those skilled in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0032] Figure 1 It is a schematic structural diagram of a timed, quantitative, and controllable full-automatic powder spraying device in an embodiment of the present invention;

[0033] Figure 2 It is a front view of a feeding rack in an embodiment of the present invention;

[0034] Figure 3 It is a top view of a feeding rack in an embodiment of the present invention;

[0035] Figure 4 It is a schematic structural diagram of a conveying and powder spraying mechanism in an embodiment of the present invention;

[0036] Figure 5 It is a schematic structural diagram of a conveying drive mechanism in an embodiment of the present invention;

[0037] Figure 6 Structural schematic diagram of the powder spreading drive mechanism in an embodiment of the present invention;

[0038] Figure 7 Structural schematic diagram of the window mechanism in an embodiment of the present invention.

[0039] In the figure:

[0040] 1. Loading rack; 2. Powder spreading drive mechanism; 3. Conveying drive mechanism; 4. Loading connecting pipe; 5. Conveying and powder spreading mechanism; 6. Window mechanism; 7. Frame body; 8. Loading bin; 9. Second motor; 10. Second speed reducer; 11. Second coupling; 12. Second speed reducer seat; 13. Second bearing; 14. Second shaft sleeve; 15. Transmission shaft; 16. Third coupling; 17. First motor; 18. First speed reducer; 19. First coupling; 20. First speed reducer seat; 21. First shaft sleeve; 22. First bearing; 23. Powder spreading housing; 24. Powder spreading sieve; 25. Powder spreading brush; 26. First pedestal bearing; 27. Conveying auger pipe; 28. Conveying auger; 29. Third bearing; 30. Third shaft sleeve; 31. Bearing seat; 32. Second pedestal bearing; 33. Sealing plate; 34. Door lock; 35. Material taking door; 36. Door hinge; 37. Sealing plate; 38. Window; 39. Mounting rod. Specific embodiments

[0041] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0042] In the description of the present invention, 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 orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention 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 invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0043] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection", and "coupling" 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, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0044] In addition, the technical features involved in different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0045] This embodiment provides a timing, quantitative, and controllable fully automatic powder spraying device, as Figures 1-7 shown, which includes a feeding rack 1, a conveying and powder spraying mechanism 5, and a window mechanism 6. The powder spraying driving mechanism 2, the conveying driving mechanism 3, the conveying and powder spraying mechanism 5, and the window mechanism 6 are respectively installed on the feeding rack 1; the feeding rack 1 includes a rack body 7 and a feeding bin 8 provided at the upper end of the rack body 7, and the rack body 7 is used to support and install other components; the conveying and powder spraying mechanism 5 includes a powder spraying housing 23, a conveying part, and a powder spraying part. The powder spraying housing 23 is arranged inside the coating machine kettle body. One end of the conveying part is connected to the lower part of the feeding bin 8, and the other end of the conveying part extends into the powder spraying housing 23 from the kettle opening of the coating machine kettle body. The powder spraying part is arranged inside the powder spraying housing 23 and is located below the conveying part; the window mechanism 6 is sealed at the kettle opening of the coating machine kettle body. The conveying part conveys the powder in the feeding bin 8 into the powder spraying housing 23, and the powder spraying part evenly sprays the powder in the powder spraying housing 23 onto the surface of the medicine in the coating machine kettle body; the window mechanism 6 can be hermetically docked with the kettle opening of the coating machine kettle body, ensuring the negative pressure inside the coating machine kettle body while avoiding opening the kettle opening, and automatically conveying the powder into the powder spraying housing 23 inside the coating machine kettle body.

[0046] Optionally, the conveying part includes a conveying auger tube 27 and a conveying auger 28. One end of the conveying auger tube 27 extends into the coating machine kettle body and is connected to the outside of the powder spraying housing 23. An upward material receiving hopper is provided on the pipe wall at the other end of the conveying auger tube 27, and the upper end of the material receiving hopper is connected to the lower end of the feeding bin 8 through a feeding connecting pipe 4; the conveying auger 28 is rotatably arranged inside the conveying auger tube 27 and the powder spraying housing 23, and the conveying auger 28 is used to convey the powder in the feeding bin 8 into the powder spraying housing 23.

[0047] Optionally, the axial directions of the conveying auger tube 27, the powder spraying housing 23, and the conveying auger 28 are all parallel to the axial direction of the coating machine pan body, enabling uniform powder spraying. In this embodiment, the axial direction of the coating machine pan body is horizontally arranged, so the axial directions of the conveying auger tube 27, the powder spraying housing 23, and the conveying auger 28 are also horizontally arranged.

[0048] Optionally, the powder spraying part includes a powder spraying brush 25 and a powder spraying screen 24. The powder spraying brush 25 is rotatably arranged in the powder spraying housing 23; the powder spraying screen 24 is arranged at the opening at the lower end of the powder spraying housing 23, and the upper surface of the powder spraying screen 24 is in contact with the powder spraying brush 25. The rotation of the powder spraying brush 25 rubs against the powder spraying screen 24, and the powder is evenly sprayed on the surface of the medicine in the coating machine pan body through the holes of the powder spraying screen 24.

[0049] In this embodiment, the conveying and powder spraying mechanism 5 mainly includes a powder spraying housing 23, a powder spraying screen 24, a powder spraying brush 25, a first pedestal bearing 26, a conveying auger tube 27, a conveying auger 28, a third bearing 29, a third bushing 30, a bearing block 31, and a second pedestal bearing 32. The powder spraying screen 24, the first pedestal bearing 26, the conveying auger tube 27, the bearing block 31, and the second pedestal bearing 32 are respectively installed on the powder spraying housing 23, and the powder spraying brush 25 is respectively installed on the first pedestal bearing 26 and the second pedestal bearing 32. The third bearing 29 is installed on the bearing block 31, the third bushing 30 is installed on the third bearing 29, and one end of the conveying auger 28 is installed on the third bushing 30.

[0050] Optionally, it further includes a conveying driving mechanism 3 arranged outside the coating machine pan body. The conveying driving mechanism 3 includes a first motor 17, a first speed reducer 18, and a first speed reducer seat 18. The input shaft of the first speed reducer 18 is connected to the first motor 17; the output shaft of the first speed reducer 18 extends into the first speed reducer seat 18 from one end of the first speed reducer seat 18. A first coupling 19 is arranged on the output shaft of the first speed reducer 18. The other end of the first speed reducer seat 18 is connected to the other end of the conveying auger tube 27, and the first coupling 19 is connected to the conveying auger 28. The first motor 17 and the first coupling 19 are respectively installed on the first speed reducer 18. The first speed reducer 18 and the first bearing 22 are respectively installed on the first speed reducer seat 18. The first bushing 21 is installed on the first bearing 22, and the other end of the conveying auger 28 is installed on the first bushing 21.

[0051] Further, it also includes a powder spraying driving mechanism 2 provided outside the coating machine pot body. The powder spraying driving mechanism 2 includes a second motor 9, a second speed reducer 10 and a second speed reducer 10 seat. The input shaft of the second speed reducer 10 is connected to the second motor 9; the output shaft of the second speed reducer 10 extends into the second speed reducer 10 seat from one end of the second speed reducer 10 seat, and the other end of the second speed reducer 10 seat is installed on the inner side wall of the frame body 7. A second coupling 11 is provided on the output shaft of the second speed reducer 10. The first coupling 19 is connected to the transmission shaft 15, and the transmission shaft 15 is connected to the powder spraying brush 25 through a third coupling 16. The second motor 9 and the second coupling 11 are respectively installed on the second speed reducer 10. The second speed reducer 10 and the second bearing 13 are installed on the second speed reducer 10 seat. The second shaft sleeve 14 is installed on the second bearing 13. The transmission shaft 15 is respectively installed on the second coupling 11 and the second shaft sleeve 14, and the second coupling 11 is installed on the transmission shaft 15.

[0052] Optionally, the axial direction of the powder spraying brush 25 is parallel to the axial direction of the powder spraying housing 23.

[0053] Optionally, a horizontal mounting rod 39 is provided on the frame body 7. The mounting rod extends into the coating machine pot body from the pot opening of the coating machine pot body, and the powder spraying housing 23 is installed on the front side surface of the mounting rod. The powder spraying housing 23 can be installed in the coating machine pot body through the mounting rod.

[0054] Optionally, the window mechanism 6 includes a sealing plate 33 and a sealing board 37. The sealing plate 33 is hermetically connected to the pot opening of the coating machine pot body. The mounting rod 39, the conveying auger pipe 27 and the transmission shaft 15 respectively pass through the sealing plate 33 and extend into the coating machine pot body. The sealing board covers the gaps generated between the mounting rod, the conveying auger pipe 27 and the transmission shaft 15 and the sealing plate 33. In this embodiment, the sealing plate is installed on the mounting rod, and a sealing strip is provided on the sealing plate corresponding to the pot opening of the coating machine to seal the pot opening. For the convenience of installing the mounting rod 39, the conveying auger pipe 27 and the transmission shaft 15, the opening sizes on the sealing plate 33 for passing through the mounting rod 39, the conveying auger pipe 27 and the transmission shaft 15 are larger than the cross-sectional sizes of the corresponding components. Therefore, the gaps between the sealing plate and the mounting rod, the conveying auger pipe and the transmission shaft are larger. For the convenience of sealing, the sealing board covers the opening part of the sealing plate from the outside. The opening sizes on the sealing board for passing through the mounting rod 39, the conveying auger pipe 27 and the transmission shaft 15 are the same as the cross-sectional sizes of the corresponding components, and the sealing board is subjected to sealing treatment. For example, sealant is sealed between the sealing board and the mounting rod and the conveying auger pipe; the transmission shaft rotates and the opening of the sealing board corresponding to the transmission shaft is very small, and no sealant is sealed between the sealing board and the transmission shaft, or a sealing rubber ring is provided on the sealing board corresponding to the transmission shaft.

[0055] Further, a window 38 is hermetically provided on the sealing plate 33. The window 38 is a transparent glass window for observing the processing condition of the pan body of the coating machine at any time. The window 38 is provided below the sealing plate 37. A material taking door 35 suitable for opening and closing is further provided on one side of the window 38. The material taking door 35 is rotatably connected to the sealing plate 33 through a door hinge 36. A door lock 34 is further provided on the side of the material taking door 35 away from the door hinge 36. When the material taking door 35 is closed, the material taking door 35 and the sealing plate 33 are in a sealed state.

[0056] The working process of this embodiment: Store the required powder in the feeding bin 8. The powder enters the conveying auger pipe 27 through the feeding connecting pipe 4. The first motor 17 in the conveying driving mechanism 3 rotates to drive the conveying auger 28 to rotate, so as to evenly convey the powder to the powder spraying housing 23. The powder conveying speed is adjusted by adjusting the rotation speed of the first motor 17.

[0057] The second motor 9 in the powder spraying driving mechanism 2 rotates to drive the powder spraying brush 25 to rotate. The powder spraying brush 25 rubs against the powder spraying screen 24, and the powder is evenly sprayed on the surface of the medicine in the coating through the holes of the powder spraying screen 24. The powder spraying speed is adjusted by adjusting the rotation speed of the second motor 9.

[0058] The window mechanism 6 is used to seal the mouth of the pan body of the coating machine. The sealing plate 37 is used to seal the gaps generated between the mounting rod, the conveying auger pipe 27, and the transmission shaft 15 extending from the outside to the inside of the coating machine pan body and the sealing plate 33 respectively. The window 38 is made of transparent tempered glass for observing the processing condition of the pan body of the coating machine at any time. Rotate the door lock 34 to open the material taking door 35 for taking material and inspection during the processing.

[0059] In summary, this embodiment can be directly and hermetically docked with the mouth of the pan body of the coating machine to ensure negative pressure in the pan body of the coating machine. The powder is automatically sprayed according to the set time and powder spraying amount without manual operation. After loading the powder through the external feeding bin, it is automatically conveyed to the powder spraying part in the pan body of the coating machine without opening the pan door. The powder spraying part can cover the entire depth of the medicine surface in the pan body of the coating machine, so that the entire coverage area can be evenly powdered. By precise time control, powder amount control, and non-contact operation, the quality of the medicine is ensured, and the requirements of the pharmaceutical process can be more precisely met, greatly improving the pharmaceutical process level.

[0060] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A timed, quantitative, and controllable fully automatic powder spraying device, characterized in that, Comprising: A loading rack, which includes a rack body and a loading bin provided at the upper end of the rack body; A conveying and powder spraying mechanism, which includes a powder spraying housing, a conveying part, and a powder spraying part. The powder spraying housing is arranged inside the coating machine pot body. One end of the conveying part is connected to the lower part of the loading bin, the other end of the conveying part extends into the powder spraying housing from the pot opening of the coating machine pot body, the powder spraying part is arranged inside the powder spraying housing, and the powder spraying part is located below the conveying part; A window mechanism, which is sealed at the pot opening of the coating machine pot body.

2. The timing, quantitative, controllable full-automatic powder spraying device according to claim 1, wherein, The conveying part includes: A conveying auger pipe, one end of which extends into the coating machine pot body and is connected to the outside of the powder spraying housing. An upward receiving hopper is provided on the wall of the other end of the conveying auger pipe, and the upper end of the receiving hopper is connected to the lower end of the loading bin through a feeding connecting pipe; A conveying auger, which is rotatably arranged inside the conveying auger pipe and the powder spraying housing, and is used to convey the powder in the loading bin into the powder spraying housing.

3. The timing, quantitative, controllable full-automatic powder spraying device according to claim 2, wherein The axial directions of the conveying auger pipe, the powder spraying housing, and the conveying auger are all parallel to the axial direction of the coating machine pot body.

4. The timing, quantitative, controllable full-automatic powder spraying device according to claim 2, wherein, It also includes a conveying driving mechanism arranged outside the coating machine pot body, and the conveying driving mechanism includes: A first motor; A first speed reducer, the input shaft of which is connected to the first motor; A first speed reducer seat, the output shaft of the first speed reducer extends into the first speed reducer seat from one end of the first speed reducer seat. A first coupling is provided on the output shaft of the first speed reducer. The other end of the first speed reducer seat is connected to the other end of the conveying auger pipe, and the first coupling is connected to the conveying auger.

5. The timing, quantitative, controllable full-automatic powder spraying device according to claim 2, characterized in that The powder spraying part includes: A powder spraying brush, which is rotatably arranged inside the powder spraying housing, and the powder spraying housing covers the entire depth of the medicine surface inside the coating machine pot body along the axial direction of the coating machine pot body; A powder spraying screen, an axially penetrating opening is provided at the lower end of the powder spraying housing, the powder spraying screen is arranged at the opening, and the upper surface of the powder spraying screen is in contact with the powder spraying brush.

6. The timing, quantitative, controllable and fully automatic powder spraying device according to claim 5, characterized in that, It also includes a powder spraying driving mechanism arranged outside the coating machine pot body, and the powder spraying driving mechanism includes: A second motor; A second speed reducer, the input shaft of which is connected to the second motor; A second speed reducer seat, the output shaft of the second speed reducer extends into the second speed reducer seat from one end of the second speed reducer seat. The other end of the second speed reducer seat is installed on the inner side wall of the rack body. A second coupling is provided on the output shaft of the second speed reducer. The first coupling is connected to a transmission shaft, and the transmission shaft is connected to the powder spraying brush through a third coupling.

7. The timed, quantitative, and controllable full-automatic powder spraying device according to claim 5, characterized in that, The axial direction of the powder spraying brush is parallel to the axial direction of the powder spraying housing.

8. The timing, quantitative, controllable and fully automatic powder spraying device according to claim 5, characterized in that, A horizontal mounting rod is provided on the rack body, which extends into the coating machine pot body from the pot opening of the coating machine pot body, and the powder spraying housing is installed on the front side of the mounting rod.

9. The timing, quantitative, controllable full-automatic powder spraying device according to claim 8, characterized in that, The window mechanism includes: A sealing plate, which is hermetically connected to the pot opening of the coating machine pot body, and the mounting rod, the conveying auger pipe, and the transmission shaft respectively pass through the sealing plate and extend into the coating machine pot body; Sealing plate, the sealing plate covers the gaps generated by the mounting rod, the conveying auger pipe and the transmission shaft and the sealing plate, and the sealing plate is subjected to sealing treatment.

10. The timing, quantitative, controllable full-automatic powder spraying device according to claim 9, characterized in that, A viewing window is hermetically provided on the sealing plate, the viewing window is arranged below the sealing plate, and a material taking door suitable for opening and closing is further arranged on one side of the viewing window.

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