Feeding equipment for producing flaky aluminum powder pigment

Abstract

The utility model relates to a feeding device for producing flaky aluminum powder pigment. The feeding device comprises a discharging box, a spiral conveying assembly detachably connected with the discharging port end of the discharging box, a filter screen arranged at the discharging port of the discharging box and a cleaning assembly used for cleaning impurities filtered from the top of the filter screen. And discharging openings are formed in the positions, located on the two sides of the filter screen, of the inner bottom of the discharging box and detachably connected with sealing doors. The filter screen filters out large-particle impurities mixed in aluminum powder, the impurities are prevented from entering a ball mill or are reduced from entering the ball mill, production safety and finished product quality are improved, the knocking hammer swings left and right to knock the discharging box, so that the side wall of the discharging box vibrates, and the aluminum powder adhered to the side wall of the discharging box falls off. And the cleaning brush swings left and right to sweep impurities filtered from the top of the filter screen and push the impurities to be conveyed out of the discharging opening, the functions of automatically cleaning the filter screen and outputting the impurities are achieved, and use is convenient and fast.

Description

Technical Field

[0001] The utility model belongs to the technical field of aluminum pigment production equipment, and particularly relates to a feeding device for producing flaky aluminum powder pigment. Background Technique

[0002] Flaky aluminum powder pigment is a powder made of metallic aluminum with a silver-white metallic luster, which can be used to prepare paints, metallic baking paints, vehicle coatings, inks, and coatings, playing a role in protecting or beautifying the products. It is one of the most widely used metallic pigments at present. One of the most common production methods of flaky aluminum powder pigment is the dry ball milling method. Using aluminum ingots or aluminum liquid as raw materials, spray powder is made, and then it is processed into fine flaky powders through processes such as ball milling and surface modification treatment, and then post-treatment processes such as classification and surface polishing are carried out to obtain the product.

[0003] The feeding link in the production of flaky aluminum powder pigment is particularly important. Aluminum powder needs to be fed into the ball mill through a rotary conveyor. However, to prevent larger particles of impurities from entering and affecting production safety and product quality, the feeding equipment in the prior art does not have a filtering structure. Therefore, it is necessary to improve the technology of the feeding device in the prior art. In addition, on the basis of not having a filtering structure, the feeding equipment in the prior art even more does not have a structure for automatically cleaning the impurities filtered by the filtering structure. The filtered impurities need to be manually cleaned and removed, and the operation is very cumbersome and inconvenient. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a feeding device for producing flaky aluminum powder pigment in order to solve the above problems, aiming to solve the technical problems that the feeding equipment in the prior art does not have a filtering structure, and larger particles of impurities are easily mixed in the aluminum powder and enter the ball mill, affecting production safety and product quality. On this basis, it even more does not have a structure for automatically cleaning the impurities filtered by the filtering structure, and the filtered impurities need to be manually cleaned and removed, and the operation is very cumbersome and inconvenient.

[0005] The utility model realizes the above purpose through the following technical solutions:

[0006] A feeding device for producing flaky aluminum powder pigment includes a blanking box, a spiral conveying component detachably connected to the discharge port end of the blanking box, a filter screen arranged at the discharge port of the blanking box, and a cleaning component for cleaning the impurities filtered on the top of the filter screen;

[0007] On both sides of the filter screen at the bottom inside the blanking box, discharge ports are opened and sealing doors are detachably connected. The discharge ports are used to convey the impurities out of the blanking box.

[0008] As a further optimization solution of the present utility model, the screw conveyor assembly includes a blanking conveyor pipe, two fixing plates respectively arranged at the input end and the output end of the blanking conveyor pipe, a screw conveyor rod rotatably connected between the two fixing plates, a driving member one for driving the screw conveyor rod to rotate, and a protective housing for protecting the driving member one.

[0009] As a further optimization solution of the present utility model, the cleaning assembly includes a rotating shaft rotatably connected inside the blanking box, a connecting plate connected to the rotating shaft, a cleaning brush arranged on the side of the connecting plate close to the filter screen, a driving member two for driving the rotating shaft to rotate, and a plurality of knocking assemblies connected to the rotating shaft.

[0010] As a further optimization solution of the present utility model, the knocking assembly includes two connecting rods symmetrically arranged and connected to the rotating shaft, a knocking hammer arranged at the end of the connecting rod far from the rotating shaft, and a plurality of reinforcing rods arranged between the two connecting rods.

[0011] As a further optimization solution of the present utility model, a feeding port is opened on the side wall of the blanking box, a supporting plate arranged on the blanking box and located below the feeding port, and a side protection plate arranged on the top of the supporting plate.

[0012] As a further optimization solution of the present utility model, a support frame is arranged on the blanking box.

[0013] The beneficial effects of the present utility model are as follows:

[0014] 1) In the present utility model, the filter screen can filter out the impurities with larger particles mixed in the aluminum powder, prevent or reduce the entry of impurities with larger particles into the ball mill, improve production safety and the quality of finished products. The knocking hammer swings left and right to knock the blanking box, causing the side wall of the blanking box to vibrate, so that the aluminum powder adhering to the side wall of the blanking box falls off, so as to realize the function of cleaning the side wall of the blanking box. The cleaning brush swings left and right to sweep the impurities filtered on the top of the filter screen and push them out from the discharge port, so as to realize the functions of automatically cleaning the filter screen and discharging impurities, and it is convenient to use;

[0015] 2) In the present utility model, the screw conveyor rod rotates to convey the materials falling into the blanking conveyor pipe, so as to facilitate the continuous addition of materials into the ball mill and reduce the occurrence of material blockage in the blanking conveyor pipe. Description of the Drawings

[0016] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0017] Figure 2 It is the Figure 1 side view of the overall structure of the present utility model.

[0018] Figure 3 It is a cross-sectional view of the blanking box and the blanking conveying pipeline of the present utility model.

[0019] Figure 4 It is a perspective view of a partial structure of the cleaning component of the present utility model.

[0020] In the figure: 1. Blanking box; 2. Feeding port; 3. Support plate; 4. Side protection plate; 5. Filter screen; 6. Blanking conveying pipeline; 7. Fixed plate; 8. Screw conveyor rod; 9. Protection shell; 10. Driving part one; 11. Rotating shaft; 12. Connecting plate; 13. Cleaning brush; 14. Discharge port; 15. Sealing door; 16. Driving part two; 17. Connecting rod; 18. Knocking hammer; 19. Reinforcing rod; 20. Support frame. Specific embodiments

[0021] The following further describes the present application in detail with reference to the accompanying drawings. It is necessary to point out here that the following specific embodiments are only used to further illustrate the present application and cannot be understood as limiting the protection scope of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application according to the above application content.

[0022] As Figures 1-4 shown, a feeding device for producing flaky aluminum powder pigment includes a blanking box 1, a screw conveying assembly detachably connected to the discharge port end of the blanking box 1, a filter screen 5 provided at the discharge port of the blanking box 1, and a cleaning assembly for cleaning the impurities filtered by the top of the filter screen 5;

[0023] Discharge ports 14 are provided on both sides of the filter screen 5 at the inner bottom of the blanking box 1 and are detachably connected with sealing doors 15. The discharge ports 14 are used to convey the impurities out of the blanking box 1.

[0024] It should be noted that in this embodiment, the bottom of the blanking box 1 is funnel-shaped, which is convenient for downward conveying of materials.

[0025] Preferably, the screw conveying assembly includes a blanking conveying pipeline 6, two fixed plates 7 respectively provided at the input end and the output end of the blanking conveying pipeline 6, a screw conveyor rod 8 rotatably connected between the two fixed plates 7, a driving part one 10 for driving the screw conveyor rod 8 to rotate, and a protection shell 9 for protecting the driving part one 10.

[0026] Preferably, the cleaning assembly includes a rotating shaft 11 rotatably connected inside the blanking box 1, a connecting plate 12 connected to the rotating shaft 11, a cleaning brush 13 provided on the side of the connecting plate 12 close to the filter screen 5, a driving part two 16 for driving the rotating shaft 11 to rotate, and a plurality of knocking assemblies connected to the rotating shaft 11.

[0027] It should be noted that in this embodiment, the first driving member 10 and the second driving member 16 are servo motors.

[0028] Preferably, the knocking assembly includes two connecting rods 17 symmetrically arranged and connected to the rotating shaft 11, a knocking hammer 18 provided at one end of the connecting rod 17 away from the rotating shaft 11, and a plurality of reinforcing rods 19 provided between the two connecting rods 17.

[0029] During use, aluminum powder is added from the feeding port 2 into the inside of the blanking box 1. After being filtered by the filter screen 5, the aluminum powder will fall through the discharge port of the blanking box 1 into the inside of the blanking conveying pipeline 6. By the operation of the first driving member 10, the spiral conveying rod 8 is driven to rotate, and the aluminum powder is conveyed by the rotation of the spiral conveying rod 8. The impurities filtered by the filter screen 5 will remain on the top of the filter screen 5. After all the aluminum powder inside the blanking box 1 is conveyed out, the impurities filtered on the top of the filter screen 5 can be cleaned regularly. That is, the second driving member 16 is started. The operation of the second driving member 16 will drive the rotating shaft 11 to rotate reciprocally. The reciprocal rotation of the rotating shaft 11 will drive the connecting plate 12, the cleaning brush 13, the connecting rod 17, the knocking hammer 18, and the reinforcing rod 19 to swing left and right. The left and right swinging of the knocking hammer 18 can knock the side wall of the blanking box 1, so that the aluminum powder adhered to the side wall of the blanking box 1 falls off under the vibration of the side wall of the blanking box 1 and drops into the inside of the blanking conveying pipeline 6. The left and right swinging of the cleaning brush 13 can clean the impurities filtered on the top of the filter screen 5. After all the aluminum powder adhered to the side wall of the blanking box 1 has fallen off and dropped into the inside of the blanking conveying pipeline 6, the staff can remove the sealing door 15, then the discharge port 14 is not blocked by the sealing door 15, and the cleaning brush 13 can clean the impurities filtered on the top of the filter screen 5 and push them to the discharge port 14, and then convey them out of the blanking box 1 from the discharge port 14, so as to complete the cleaning of the filter screen 5 and clean the impurities filtered by the filter screen 5 out of the blanking box 1, and clean the aluminum powder adhered to the side wall of the blanking box 1 by the vibration of the side wall of the blanking box 1 caused by the knocking of the knocking hammer 18 on the side wall of the blanking box 1.

[0030] Preferably, a feeding port 2 is provided on the side wall of the blanking box 1, a support plate 3 provided on the blanking box 1 and located below the feeding port 2, and a side protection plate 4 provided on the top of the support plate 3. When adding aluminum powder into the inside of the blanking box 1, the support plate 3 can play a role in supporting or placing the aluminum powder, and the setting of the side protection plate 4 is to prevent the aluminum powder from falling.

[0031] Preferably, a support frame 20 is provided on the blanking box 1, and a self-locking moving wheel is provided at the bottom of the support frame 20. The support frame 20 supports the blanking box 1, and the setting of the self-locking moving wheel is to facilitate the movement of the blanking box 1 during transportation and installation. When the blanking box 1 is put into production, it can be locked to prevent movement.

[0032] The above-described embodiments merely represent several implementation manners of the present utility model. The description thereof is relatively specific and detailed, but it should not be construed as a limitation to the scope of the patent of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all fall within the protection scope of the present utility model.

Claims

1. A feeding device for producing flake aluminum pigment, characterized in that: It comprises a material discharge box (1), a screw conveying assembly detachably connected to the discharge port of the material discharge box (1), a filter screen (5) arranged at the discharge port of the material discharge box (1), and a cleaning assembly for cleaning impurities filtered out from the top of the filter screen (5); The bottom of the material discharge box (1) is provided with discharge outlets (14) on both sides of the filter screen (5) and is detachably connected to a sealing door (15), and the discharge outlets (14) are used to transport the impurities out of the material discharge box (1).

2. The feeding device for producing flake aluminum pigment according to claim 1, characterized in that: The screw conveying assembly comprises a material discharge conveying pipeline (6), two fixed plates (7) respectively arranged at the input end and the output end of the material discharge conveying pipeline (6), a screw conveying rod (8) rotatably connected between the two fixed plates (7), a driving member (10) for driving the screw conveying rod (8) to rotate, and a protective shell (9) for protecting the driving member (10).

3. The feeding device for producing flake aluminum pigment according to claim 1, characterized in that: The cleaning assembly comprises a rotating shaft (11) rotatably connected inside a material discharge box (1), a connecting plate (12) connected to the rotating shaft (11), a cleaning brush (13) arranged on a side of the connecting plate (12) close to the filter screen (5), a second driving member (16) for driving the rotating shaft (11) to rotate, and a plurality of knocking assemblies connected to the rotating shaft (11).

4. The feeding device for producing flake aluminum pigment according to claim 3, characterized in that: The striking assembly comprises two symmetrically arranged connecting rods (17) connected to the rotating shaft (11), a striking hammer (18) arranged at one end of the connecting rod (17) away from the rotating shaft (11), and a plurality of reinforcing rods (19) arranged between the two connecting rods (17).

5. The feeding device for producing flake aluminum pigment according to claim 1, characterized in that: The side wall of the material discharge box (1) is provided with a feeding port (2), a support plate (3) arranged on the material discharge box (1) and located below the feeding port (2), and a side protection plate (4) arranged on the top of the support plate (3).

6. The feeding device for producing flake aluminum pigment according to claim 1, characterized in that: A support frame (20) is provided on the material discharge box (1).

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