Air-flow grinding device for aluminum powder production

Abstract

The utility model relates to the technical field of aluminum powder production, in particular to an airflow grinding device for aluminum powder production, which comprises a vertically arranged tank body, a plurality of air injection pipes communicated with the lower part of the tank body, a grinding mechanism positioned above the air injection pipes arranged in the tank body, and a feeding pipe communicated with the upper part of the tank body and positioned above the grinding mechanism, the top surface of the tank body is communicated with a discharge pipe with a rectangular section, mounting plates are fixedly connected to four corners of the inner side wall of the discharge pipe, vibrating springs are mounted on the mounting plates, a horizontally arranged mounting frame is mounted among the four vibrating springs, a filter screen plate is mounted in the mounting frame, a vibrating motor is mounted on the mounting frame, and a filter screen is mounted on the vibrating motor. And a dustproof mechanism is mounted in a gap between the mounting frame and the discharge pipe. The vibration motor drives the filter screen plate to vibrate through the mounting frame, so that aluminum powder adsorbed on the filter screen plate can be vibrated down, the condition that the filter screen plate is blocked can be reduced, and the filtering efficiency of the filter screen plate is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of aluminum powder production, especially to a airflow grinding device for aluminum powder production. BACKGROUND

[0002] Aluminum powder is an important metal powder material, which is widely used in chemical industry, coating, refractory material, aluminum alloy and other fields. Currently, aluminum powder is generally produced by using an airflow grinding device. That is, the material is collided, rubbed and sheared with the grinding mechanism under the push of high-speed airflow, so as to realize the crushing. The crushed material is lifted by the ascending airflow, filtered by the filter screen plate, and then the fine particle aluminum powder meeting the particle size requirement is collected by the cyclone separator and dust collector. However, when the filter screen plate filters the aluminum powder, the aluminum powder is easily adsorbed on the filter screen plate, which causes the filter screen plate to be blocked, thereby affecting the filtering efficiency. Therefore, there are still defects and deficiencies in the prior art. SUMMARY

[0003] The utility model provides a kind of airflow grinding device for aluminum powder production to solve the problems raised in the background art.

[0004] In order to solve the above technical problems, the utility model adopts the following technical scheme: a kind of airflow grinding device for aluminum powder production, including the vertical setting tank body, the lower part of tank body is communicated with several jet pipes, the inside of tank body is equipped with the grinding mechanism located above jet pipe, the upper part of tank body is communicated with the feed pipe located above grinding mechanism, the top surface of tank body is communicated with the rectangular cross section of discharge pipe, the four corners of the inner side wall of discharge pipe are all fixedly connected with mounting plate, vibration spring is installed on mounting plate, horizontally arranged mounting frame is installed between four vibration springs, filter screen plate is installed in mounting frame, vibration motor is installed on mounting frame, dust prevention mechanism is installed at the gap between mounting frame and discharge pipe.

[0005] Preferably, a maintenance opening corresponding to the filter screen plate is formed on the side wall of the discharge pipe, a sealing plate is arranged outside the maintenance opening, the sealing plate is detachably connected to the discharge pipe by fixing bolts, and a handle is fixedly connected to the outside of the sealing plate.

[0006] Preferably, a horizontal slide is formed on the inner side wall of the mounting frame, a pull-out opening matching the filter screen plate is formed on one side of the mounting frame corresponding to the maintenance opening, and the filter screen plate extends into the slide through the pull-out opening and is slidably connected with the slide.

[0007] Preferably, a plurality of fastening bolts are threadedly connected to the top surface of the mounting frame, the screw ends of the fastening bolts penetrate through the top surface of the mounting frame and extend into the slide.

[0008] Preferably, a sealing strip is mounted on the outer edge of the inner side of the sealing plate.

[0009] Preferably, the bottom of the tank body is provided with supporting legs, and the bottom surface of the tank body is communicated with a vertical air inlet pipe, the top end of the air inlet pipe extends into the tank body and is communicated with a wind cap, and a plurality of air outlet holes are uniformly arranged on the side wall of the wind cap and inclined downward to the outside.

[0010] Preferably, the dustproof mechanism comprises a dust strip type brush mounted on the outer edge of the mounting frame, and the outer side of the dust strip type brush abuts against the inner side wall of the discharge pipe.

[0011] The utility model has the advantages that: (1) the vibration motor drives the filter screen plate to vibrate through the mounting frame, so that the aluminum powder adsorbed on the filter screen plate can be vibrated down, thereby reducing the plugging of the filter screen plate and improving the filtering efficiency of the filter screen plate; (2) the sealing plate can be disassembled to open the access hole, and then the filter screen plate can be pulled out through the pull-out hole, thereby facilitating the replacement of the filter screen plate; (3) the dust strip type brush is installed at the gap between the mounting frame and the discharge pipe, so that the aluminum powder cannot pass through the gap, thereby ensuring the filtering effect of the filter screen plate. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a structural schematic view of the utility model;

[0013] Figure 2 It is a structural schematic view of the utility model; Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 3 It is a structural schematic view of the utility model; Figure 1 It is a structural schematic view of the utility model;

[0015] Figure 4 It is a structural schematic view of the utility model;

[0016] Figure 5 It is a structural schematic view of the utility model; Figure 4 It is a structural schematic view of the utility model;

[0017] Figure 6 It is a structural schematic view of the utility model;

[0018] Figure 7 It is a structural schematic view of the utility model.

[0019] Label: 1, tank, 2, jet pipe, 3, grinding mechanism, 4, feed pipe, 5, baffle, 6, discharge pipe, 7, mounting plate, 8, vibration spring, 9, mounting frame, 10, filter screen plate, 11, vibration motor, 12, dustproof mechanism, 121, dustproof strip type brush, 13, access hole, 14, cover plate, 15, fixing bolt, 16, handle, 17, slide, 18, pull-out opening, 19, sealing strip, 20, fastening bolt, 21, support leg, 22, air inlet pipe, 23, air cap, 24, air outlet hole. DETAILED DESCRIPTION

[0020] The utility model is further described below with reference to the drawings.

[0021] As Figures 1-7 shown, the utility model provides a airflow grinding device for aluminum powder production, including vertical setting tank 1, a plurality of jet pipes 2 are connected in the lower part of tank 1, be equipped with the grinding mechanism 3 in tank 1 and be located the upper jet pipe 2, the upper part of tank 1 is connected with the feed pipe 4 located the upper grinding mechanism 3, the top of feed pipe 4 is installed with baffle 5, the top surface of tank 1 is connected with the discharge pipe 6 of rectangular section, the four corners of discharge pipe 6 inner side wall are all fixedly connected with mounting plate 7, and mounting plate 7 is installed with vibration spring 8, and the horizontal installation frame 9 of installation is installed between four vibration springs 8, and filter screen plate 10 is installed in installation frame 9, and vibration motor 11 is installed on installation frame 9, and dustproof mechanism 12 is installed between the gap of installation frame 9 and discharge pipe 6.

[0022] Specifically, in use, high-speed airflow is introduced into tank 1 through jet pipe 2, and aluminum material is added through feed pipe 4, the high-speed airflow pushes the aluminum material to collide, rub and shear with grinding mechanism 3, so that aluminum powder can be prepared, the aluminum powder rises into discharge pipe 6 along the rising airflow, the aluminum powder meeting the particle size requirement is filtered through filter screen plate 10 and discharged from discharge pipe 6, and then enters subsequent separation process for separation; when filter screen plate 10 is filtering, vibration motor 11 is started, vibration motor 11 can drive filter screen plate 10 to vibrate through installation frame 9, so that the aluminum powder adsorbed on filter screen plate 10 can be vibrated down, thereby reducing the plugging of filter screen plate 10 and improving the filtering efficiency of filter screen plate 10, in addition, since dustproof mechanism 12 is installed between the gap of installation frame 9 and discharge pipe 6, the aluminum powder can be prevented from passing through the gap, thereby ensuring the filtering effect of filter screen plate 10.

[0023] In some embodiments, as Figure 4 and Figure 6 shown, an access hole 13 corresponding to filter screen plate 10 is formed in the side wall of discharge pipe 6, a cover plate 14 is arranged on the outside of access hole 13, the cover plate 14 is detachably connected to discharge pipe 6 by fixing bolts 15, and a handle 16 is fixedly connected to the outside of cover plate 14; as Figure 7As shown, the inner side wall of the mounting frame 9 is provided with a horizontal slide 17, and the side of the mounting frame 9 corresponding to the access hole 13 is provided with a pull-out opening 18 matched with the filter screen plate 10, the filter screen plate 10 extends into the slide 17 through the pull-out opening 18 and is in sliding connection with the slide 17. Specifically, in use, the cover plate 14 can be disassembled to open the access hole 13, and then the filter screen plate 10 can be pulled out through the pull-out opening 18, so that the filter screen plate 10 can be replaced conveniently.

[0024] In some embodiments, as shown in Figure 7 As shown, a plurality of fastening bolts 20 are threadedly connected to the top surface of the mounting frame 9, the threaded ends of the fastening bolts 20 extend into the slide 17 through the top surface of the mounting frame 9, and the filter screen plate 10 in the slide 17 can be fixed by the fastening bolts 20, so that the filter screen plate 10 can be prevented from shaking randomly in the slide 17, and the stability of the device is improved.

[0025] In some embodiments, as shown in Figure 6 As shown, a sealing strip 19 is mounted to the outer edge of the inner side of the cover plate 14, and the sealing strip 19 can seal the gap between the cover plate 14 and the access hole 13, so that the leakage of aluminum powder into the external environment is prevented, and the cleanliness of the production environment is ensured.

[0026] In some embodiments, as shown in Figure 1 and Figure 3 As shown, the bottom of the tank body 1 is provided with a support leg 21, and the bottom surface of the tank body 1 is communicated with a vertical air inlet pipe 22, the top end of the air inlet pipe 22 extends into the tank body 1 and is communicated with a wind cap 23, and a plurality of air outlet holes 24 are uniformly provided in the side wall of the wind cap 23 and are inclined outward and downward. Specifically, in use, gas is introduced into the air inlet pipe 22, and the gas is blown obliquely downward to the bottom surface of the tank body 1 through the air outlet holes, so that the aluminum material falling to the bottom of the tank body 1 can be blown up, and the crushing effect of the device is improved.

[0027] In some embodiments, the dustproof mechanism 12 includes a dust strip brush 121 mounted to the outer edge of the mounting frame 9, and the outer side of the dust strip brush 121 abuts against the inner side wall of the discharge pipe 6, so that the aluminum powder can be prevented from passing through the gap between the mounting frame 9 and the discharge pipe 6, and the filtering effect of the filter screen plate 10 is ensured.

[0028] The above embodiments can be combined with each other.

[0029] The above embodiments do not limit the shape, material, structure, etc. of the present application in any form, and any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments all belong to the protection scope of the technical scheme of the present application.

Claims

1. A jet mill device for producing aluminum powder, comprising a vertically arranged tank, characterized in that: The lower part of the tank body is communicated with several air injection pipes, the tank body is provided with a powder grinding mechanism above the air injection pipes, the upper part of the tank body is communicated with a feeding pipe above the powder grinding mechanism, the top surface of the tank body is communicated with a rectangular cross-section discharge pipe, four mounting plates are fixedly connected to the four corners of the inner side wall of the discharge pipe, vibration springs are mounted on the mounting plates, a horizontally arranged mounting frame is mounted between the four vibration springs, a filter screen plate is mounted in the mounting frame, a vibration motor is mounted on the mounting frame, and a dust prevention mechanism is mounted at the gap between the mounting frame and the discharge pipe.

2. The jet mill device for producing aluminum powder according to claim 1, characterized by: A maintenance opening is formed in the side wall of the discharge pipe and corresponds to the filter screen plate, an outer side of the maintenance opening is provided with a sealing plate, the sealing plate is detachably connected to the discharge pipe through fixing bolts, and a handle is fixedly connected to the outer side of the sealing plate.

3. The jet mill device for producing aluminum powder according to claim 2, characterized by: A horizontally arranged sliding channel is formed in the inner side wall of the mounting frame, a pull-out opening is formed in one side of the mounting frame and is adapted to the filter screen plate, the filter screen plate extends into the sliding channel through the pull-out opening and is in sliding connection with the sliding channel.

4. The jet mill device for producing aluminum powder according to claim 3, characterized by: A plurality of fastening bolts are threadedly connected to the top surface of the mounting frame, the screw rod ends of the fastening bolts penetrate through the top surface of the mounting frame and extend into the sliding channel.

5. The jet mill device for producing aluminum powder according to claim 2, characterized by: A sealing strip is mounted on the outer edge of the inner side of the sealing plate.

6. The jet mill device for producing aluminum powder according to claim 1, characterized by: Supporting legs are mounted on the bottom of the tank body, a vertically arranged air inlet pipe is communicated with the bottom surface of the tank body, the top end of the air inlet pipe extends into the tank body and is communicated with a wind cap, a plurality of air outlet holes are uniformly formed in the side wall of the wind cap and are inclined downward to the outer side.

7. The jet mill device for producing aluminum powder according to claim 1, characterized by: The dust prevention mechanism comprises a dust strip type brush mounted on the outer edge of the mounting frame, and the outer side of the dust strip type brush abuts against the inner side wall of the discharge pipe.

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