Mica powder screening and paving device for mica tape production

Abstract

The utility model belongs to the technical field of mica tapes, particularly relates to a mica powder screening and paving device for mica tape production, and aims to solve the problems of long material changing time and waste of raw materials in the background technology, and adopts the scheme that the mica powder screening and paving device comprises a mounting frame, and a vertical plate is welded at one end of the outer wall of the top of the mounting frame. The mica sheets can be conveyed into the feeding sleeve from the feeding hopper all the time, and due to the fact that the feeding sleeve is rotationally connected with the screen drum, raw materials can be automatically fed into the screen drum, automatic feeding of the mica sheets is achieved, material changing is not needed, the material changing time is saved, and the production efficiency is improved. According to the mica sheet crushing and screening device, large-size mica sheets can be discharged into the discharging frame, the second servo motor is used for driving the crushing blades to rotate so that the mica sheets can be crushed, the mica sheets are conveyed into the feeding sleeve again through the material returning pipe under the action of the powder pumping pump, cyclic crushing and screening of the mica sheets are achieved, manual intervention is not needed, and the utilization rate of mica powder is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of mica tapes, in particular to a mica powder screening and spreading device for mica tape production. Background Art

[0002] Mica tape is a fire-resistant insulating material made by bonding mica paper and a reinforcing material (such as glass cloth or plastic film). It is primarily used for insulating motors and cables, and exhibits excellent resistance to high temperatures and flames.

[0003] After searching, the patent (application number: 202221720847.3) discloses "a mica powder screening device for mica tape production". This device solves the problem of uneven mica powder screening, which affects the subsequent processing efficiency. However, there are some problems in the operation of the device. First, the mica powder in the device needs to be added to the screen drum again and again, and each loading requires shutdown operation, which extends the material change time and reduces production efficiency. In addition, large-sized mica sheets remain in the screen drum and need to be removed, which easily causes waste of raw materials. Utility Model Content

[0004] In view of the deficiencies of the existing technology, the utility model provides a mica powder screening and spreading device for mica tape production, which overcomes the deficiencies of the existing technology and effectively solves the problem of long material changing time and waste of raw materials.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A mica powder screening and spreading device for mica tape production includes a mounting frame, a vertical plate welded to one end of the top outer wall of the mounting frame, a feed sleeve welded to the inner wall of the top of the vertical plate, a spiral auger provided at one end of the feed sleeve, and a feed hopper welded to the bottom of the outer wall of one side of the spiral auger;

[0007] A discharge frame is welded to the other end of the top outer wall of the mounting frame, and the inner wall on one side of the discharge frame is fixedly connected to servo motor 2 by screws, and the output shaft of servo motor 2 is fixedly connected to a crushing rod, and crushing blades are installed on the bottom outer wall of the crushing rod, and a crushing cylinder is welded to the bottom outer wall of the discharge frame, and a powder pump is fixedly connected to the bottom outer wall of the crushing cylinder, and a return pipe is installed between the powder pump and the feed sleeve.

[0008] Preferably, a fixing frame is welded to the inner wall of the feed sleeve, and the top of the outer wall on the other side of the spiral auger is welded to the inner wall of the fixing frame.

[0009] Preferably, the outer wall of the other end of the feed sleeve is rotatably connected to a screen cylinder, and the outer wall of the screen cylinder is rotatably connected to a sealing cylinder, the outer wall of the screen cylinder is located inside the sealing cylinder and a screen is provided, and the sealing cylinder is fixedly connected to the top outer wall of the mounting frame.

[0010] Preferably, a powder discharge plate is welded to the outer wall of the top of the mounting frame at the bottom of the sealing cylinder.

[0011] Preferably, a gear ring is installed on the outer wall of the screen drum, and a gear is meshed on the outer wall of the gear ring. A servo motor 1 is fixedly connected to the inner wall of the top of the mounting frame by screws. A pulley set is installed between the servo motor 1 and the gear, and the gear is rotatably connected to the outer wall of the mounting frame.

[0012] Preferably, a valve 1 is installed on the outer wall of the return pipe.

[0013] Preferably, a feed pipe is welded to the outer wall of the bottom of the return pipe, and a second valve is installed on the outer wall of the feed pipe.

[0014] The beneficial effects of the utility model are:

[0015] 1. The mica powder screening and spreading device designed for mica tape production can convey mica flakes from the feed hopper to the feed sleeve through the spiral auger. Since the feed sleeve and the screen drum are rotatably connected, the raw materials can be automatically fed into the screen drum, realizing automatic loading of mica flakes without the need for material change, saving time for material change and improving production efficiency.

[0016] 2. The mica powder screening and spreading device designed for mica tape production will discharge large-sized mica flakes into the discharge frame. The servo motor 2 is used to drive the crushing blades to rotate to crush the mica flakes. The mica flakes are then transported back to the feed sleeve through the return pipe under the action of the powder pump, realizing the cyclic crushing and screening of the mica flakes without manual intervention, thereby improving the utilization rate of the mica powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of a mica powder screening device for mica tape production proposed in this utility model. Figure 1 ;

[0018] Figure 2 This is a schematic diagram of the overall structure of a mica powder screening device for mica tape production proposed in this utility model. Figure 2 ;

[0019] Figure 3 This is a schematic diagram of the overall structure of a mica powder screening device for mica tape production proposed in this utility model. Figure 3 ;

[0020] Figure 4 This is a schematic diagram of the connection structure of a discharge frame of a mica powder screening and spreading device for mica tape production proposed by the utility model.

[0021] In the figure: 1. Mounting frame; 2. Vertical plate; 3. Feed sleeve; 4. Auger; 5. Feed hopper; 6. Discharge frame; 7. Powder pump; 8. Return pipe; 9. Fixed frame; 10. Sealing cylinder; 11. Powder discharge plate; 12. Ring gear; 13. Gear; 14. Servo motor 1; 15. Pulley assembly; 16. Valve 1; 17. Discharge pipe; 18. Valve 2; 19. Crushing cylinder; 20. Servo motor 2; 21. Crushing rod; 22. Crushing blades; 23. Screen cylinder. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] Example 1, refer to Figure 1 A mica powder screening and spreading device for mica tape production includes a mounting frame 1, a vertical plate 2 is welded to one end of the top outer wall of the mounting frame 1, and a feed sleeve 3 is welded to the top inner wall of the vertical plate 2, a spiral auger 4 is provided at one end of the feed sleeve 3, and a feed hopper 5 is welded to the bottom of the outer wall of one side of the spiral auger 4.

[0024] In this embodiment, the mica sheets can be transported from the feed hopper 5 to the feed sleeve 3 through the conveying of the spiral auger 4. Since the feed sleeve 3 and the screen drum 23 are rotated and connected, the raw materials can be automatically fed into the screen drum 23, thereby realizing the automatic loading of the mica sheets without the need for material change, saving the time for material change and improving production efficiency.

[0025] Example 2, refer to Figure 2 and Figure 4 A mica powder screening and spreading device for mica tape production, a discharge frame 6 is welded to the other end of the top outer wall of the mounting frame 1, and the inner wall of one side of the discharge frame 6 is fixedly connected to a servo motor 20 by screws, and the output shaft of the servo motor 20 is fixedly connected to a crushing rod 21, and a crushing blade 22 is installed on the bottom outer wall of the crushing rod 21, a crushing cylinder 19 is welded to the bottom outer wall of the discharge frame 6, and a powder pump 7 is fixedly connected to the bottom outer wall of the crushing cylinder 19, and a return pipe 8 is installed between the powder pump 7 and the feed sleeve 3.

[0026] In this embodiment, large-sized mica flakes will be discharged into the discharge frame 6, and the servo motor 20 is used to drive the crushing blade 22 to rotate to crush the mica flakes. Under the action of the powder pump 7, the mica flakes are transported back to the feed sleeve 3 through the return pipe 8, realizing the cyclic crushing and screening of the mica flakes without manual intervention, thereby improving the utilization rate of the mica powder.

[0027] Reference Figure 1A fixing frame 9 is welded to the inner wall of the feed sleeve 3 , and the top of the outer wall on the other side of the spiral auger 4 is welded to the inner wall of the fixing frame 9 .

[0028] Reference Figure 2-3 The outer wall of the other end of the feed sleeve 3 is rotatably connected to a screen drum 23, and the outer wall of the screen drum 23 is rotatably connected to a sealing drum 10. The outer wall of the screen drum 23 is located inside the sealing drum 10 and is provided with a screen. The sealing drum 10 is fixedly connected to the top outer wall of the mounting frame 1.

[0029] Reference Figure 2-3 A powder discharge plate 11 is welded to the bottom of the sealing cylinder 10 on the outer wall of the top of the mounting frame 1 .

[0030] Reference Figure 3 A gear ring 12 is installed on the outer wall of the screen cylinder 23, and a gear 13 is engaged with the outer wall of the gear ring 12. A servo motor 14 is fixedly connected to the inner wall of the top of the mounting frame 1 by screws. A pulley set 15 is installed between the servo motor 14 and the gear 13, and the gear 13 is rotatably connected to the outer wall of the mounting frame 1.

[0031] Reference Figure 2 A valve 16 is installed on the outer wall of the return pipe 8.

[0032] Reference Figure 2 A feed pipe 17 is welded to the outer wall of the bottom of the return pipe 8, and a valve 18 is installed on the outer wall of the feed pipe 17.

[0033] Working principle: The servo motor 14 drives the gear 13 to rotate, which can control the rotation of the screen drum 23 inside the gear ring 12. At this time, the mica flakes to be screened are poured into the feed hopper 5. Through the conveyor of the spiral auger 4, the mica flakes can be automatically fed into the screen drum 23. As the screen drum 23 rotates, the small-sized mica powder passes through the screen and enters the sealing cylinder 10, and is then discharged to the powder discharge plate 11 through the sealing cylinder 10.

[0034] Large-sized mica flakes will be discharged into the discharge frame 6, and the servo motor 20 will drive the crushing blade 22 to rotate to crush the mica flakes. After that, the mica flakes will be transported back to the feed sleeve 3 through the return pipe 8 by the powder pump 7, and circulated and screened in the screen drum 23.

[0035] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mica powder screening and spreading device for mica tape production, comprising a mounting frame (1), characterized in that: A vertical plate (2) is welded to one end of the top outer wall of the mounting frame (1), and a feed sleeve (3) is welded to the top inner wall of the vertical plate (2); a spiral auger (4) is provided at one end of the feed sleeve (3), and a feed hopper (5) is welded to the bottom of the outer wall of one side of the spiral auger (4); A discharge frame (6) is welded to the other end of the top outer wall of the mounting frame (1), and a servo motor 2 (20) is fixedly connected to the inner wall of one side of the discharge frame (6) by screws, and the output shaft of the servo motor 2 (20) is fixedly connected to a crushing rod (21), and a crushing blade (22) is installed on the bottom outer wall of the crushing rod (21), a crushing cylinder (19) is welded to the bottom outer wall of the discharge frame (6), and a powder pump (7) is fixedly connected to the bottom outer wall of the crushing cylinder (19), and a return pipe (8) is installed between the powder pump (7) and the feed sleeve (3).

2. A mica powder screening and spreading device for mica tape production according to claim 1, characterized in that: A fixing frame (9) is welded to the inner wall of the feed sleeve (3), and the top of the outer wall on the other side of the spiral auger (4) is welded to the inner wall of the fixing frame (9).

3. A mica powder screening and spreading device for mica tape production according to claim 1, characterized in that: The outer wall of the other end of the feed sleeve (3) is rotatably connected to a screen drum (23), and the outer wall of the screen drum (23) is rotatably connected to a sealing drum (10). The outer wall of the screen drum (23) is provided with a screen inside the sealing drum (10), and the sealing drum (10) is fixedly connected to the top outer wall of the mounting frame (1).

4. A mica powder screening and spreading device for mica tape production according to claim 1, characterized in that: A powder discharge plate (11) is welded to the bottom of the sealing cylinder (10) on the top outer wall of the mounting frame (1).

5. The mica powder screening and spreading device for mica tape production according to claim 3, characterized in that: The outer wall of the screen drum (23) is provided with a gear ring (12), and the outer wall of the gear ring (12) is meshed with a gear (13). The inner wall of the top of the mounting frame (1) is fixedly connected to a servo motor (14) by screws. A pulley group (15) is installed between the servo motor (14) and the gear (13), and the gear (13) is rotatably connected to the outer wall of the mounting frame (1).

6. A mica powder screening and spreading device for mica tape production according to claim 1, characterized in that: A valve 1 (16) is installed on the outer wall of the return pipe (8).

7. The mica powder screening and spreading device for mica tape production according to claim 1, characterized in that: A discharge pipe (17) is welded to the outer wall of the bottom of the return pipe (8), and a second valve (18) is installed on the outer wall of the discharge pipe (17).

Images