Toner powder screening device

Abstract

The utility model provides a toner powder screening device, which relates to the technical field of toner production, and comprises a tank body, a powder screening mechanism is arranged in the tank body, the powder screening mechanism comprises a support plate, a screen plate is arranged on the surface of the support plate, a guide plate is arranged on the lower surface of the support plate, and the guide plate is arranged on the lower surface of the support plate. The surface of the guide plate is communicated with a discharging pipeline, the surface of the sieve plate is rotatably connected with a rotating pipe through a bearing, the surface of the rotating pipe is provided with a scraping plate, the surface of the tank body is provided with an electric heating pipe, the side surface of the tank body is communicated with a discharging pipeline, and the upper surface of the tank body is communicated with a feeding pipeline. According to the powder screening device, the powder screening mechanism is arranged, toner can be continuously dried, meanwhile, the screening effect can be accelerated, and the practicability of the powder screening device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of toner production, in particular to a toner powder screening device. Background Art

[0002] Toner is a colored powder substance. The basic function of plastic toner is to give plastics various colors. Plastic colorants should be able to withstand various process conditions in plastic processing and molding. After the toner is mixed with plastic pigments, it can be made into plastic products of various colors through heating and injection molding. During the toner production process, due to water vapor and other reasons, there are more fine particles in the powder, which affects the subsequent powdering operation. Therefore, before using the toner, the toner needs to be sieved.

[0003] A Chinese patent discloses a color powder sifter, announcement number: CN218424127U, comprising a base and an eccentric vibration device, wherein the eccentric vibration device is arranged on the inner side wall of the base, and a plurality of groups of springs are arranged between the discharge tray and the base and on the periphery of the eccentric vibration device.

[0004] In the prior art, the toner is screened by setting a multi-stage screen. However, during the screening, the toner is easily damp and agglomerated, and the eye holes are easily blocked, resulting in poor screening effect. Therefore, we propose a toner powder screening device. Utility Model Content

[0005] The utility model aims to solve the above problems and proposes a toner powder sieving device.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a color powder screening device, comprising a tank body, a powder screening mechanism is arranged inside the tank body, the powder screening mechanism comprises a support plate, a screen plate is arranged on the surface of the support plate, a guide plate is arranged on the lower surface of the support plate, the surface of the guide plate is connected to a discharge pipe, the surface of the screen plate is rotatably connected to a rotating tube through a bearing, the surface of the rotating tube is provided with a scraper, the surface of the tank body is provided with an electric heating tube, the side surface of the tank body is connected to a discharge pipe, and the upper surface of the tank body is connected to a feed pipe.

[0007] Preferably, the sieve plate is convexly arranged and the guide plate is concavely arranged. The convexly arranged sieve plate can facilitate the discharge of the color powder, and the concavely arranged guide plate allows the sieved color powder to fall downward from the center of the guide plate, thereby improving the screening effect.

[0008] Preferably, a partition is provided on the surface of the tank body, the surface of the partition is rotatably connected to a rotating rod via a bearing, and the surface of the rotating rod is provided with fan blades, and the provided fan blades can improve the powder screening effect.

[0009] Preferably, a through hole is opened on the surface of the partition, and a breathable mesh is arranged on the surface of the through hole, and the breathable mesh can prevent the toner from passing through.

[0010] Preferably, a first gear is disposed on the surface of the rotating rod, and a second gear is disposed on the surface of the rotating rod, the second gear is meshedly connected with the first gear, and the first gear can drive the second gear to rotate.

[0011] Preferably, a motor is installed on the lower surface of the tank body, and the output end of the motor is fixedly connected to one of the rotating rods, and the motor can drive one of the rotating rods to rotate.

[0012] Preferably, the support plate is fixedly connected to the tank body, the rotating rod is rotatably connected to the tank body via a bearing, a positioning plate is provided on the surface of the tank body, and the tank body can support the support rod and the support plate.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. The utility model provides a toner powder screening device, which can continuously dry the toner by setting a powder screening mechanism, and at the same time can accelerate the screening effect and improve the practicability of the device.

[0015] 2. The utility model proposes a toner powder screening device, which sets a feeding pipe so that the screened toner falls from the center of the tank onto the sieve plate, and then moves to the edge of the sieve plate after filtering, so that the filtering is more complete. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model provides a schematic cross-sectional structure diagram of a toner powder sieving device;

[0017] Figure 2 The utility model provides a schematic diagram of a top view and cross-section structure of a toner powder screening device;

[0018] Figure 3 The utility model provides a three-dimensional structural schematic diagram of a toner powder sieving device.

[0019] Legend: 1. Tank body; 2. Powder screening mechanism; 201. Support plate; 202. Screen plate; 203. Guide plate; 204. Feeding pipe; 205. Rotating pipe; 206. Scraper; 207. Electric heating pipe; 208. Discharging pipe; 209. Feeding pipe; 3. Partition; 4. Rotating rod; 5. Fan blade; 6. Breathable net; 7. First gear; 8. Second gear; 9. Motor; 10. Positioning plate. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Embodiment 1, as Figure 1-3 As shown, a color powder sieving device comprises a tank body 1, a sieving mechanism 2 is arranged inside the tank body 1, the sieving mechanism 2 comprises a support plate 201, a sieve plate 202 is arranged on the surface of the support plate 201, a guide plate 203 is arranged on the lower surface of the support plate 201, a discharge pipe 204 is connected to the surface of the guide plate 203, a rotating tube 205 is rotatably connected to the surface of the sieve plate 202 through a bearing, a scraper 206 is arranged on the surface of the rotating tube 205, an electric heating tube 207 is arranged on the surface of the tank body 1, a discharge pipe 208 is arranged on the side surface of the tank body 1, and a feed pipe 209 is arranged on the upper surface of the tank body 1.

[0023] The effect achieved by the entire embodiment 1 is that the rotating tube 205 can drive the scraper 206 to flip the color powder on the surface of the screen plate 202, thereby improving the screening effect. At the same time, the electric heating tube 207 can be started to heat the rotating tube 205 and transfer it to the scraper 206. At this time, the contacted color powder can be heated, and the color powder can be effectively heated to avoid the color powder from being damp and clumping and difficult to screen. The screened color powder is discharged from the discharge pipe 204 along the guide plate 203, so that the filtering effect of the color powder is better. The entire device can dry the color powder and improve the screening effect of the color powder.

[0024] Embodiment 2, as Figure 1-3 As shown, a color powder sieving device is provided, the sieve plate 202 is arranged in a convex surface, the guide plate 203 is arranged in a concave surface, the surface of the tank body 1 is provided with a partition 3, the surface of the partition 3 is rotatably connected to a rotating rod 4 through a bearing, the surface of the rotating rod 4 is provided with a fan blade 5, the surface of the partition 3 is provided with a through hole, the surface of the through hole is provided with an air permeable net 6, the surface of the rotating rod 4 is provided with a first gear 7, the surface of the rotating rod 4 is provided with a second gear 8, the second gear 8 is meshed with the first gear 7, a motor 9 is installed on the lower surface of the tank body 1, the output end of the motor 9 is fixedly connected to one of the rotating rods 4, the support plate 201 is fixedly connected to the tank body 1, the rotating rod 4 is rotatably connected to the tank body 1 through a bearing, and a positioning plate 10 is provided on the surface of the tank body 1.

[0025] The effect achieved by the entire embodiment 2 is that a color powder screening device is provided. The sieve plate 202 arranged on the convex surface can facilitate the discharge of the color powder, and the guide plate 203 arranged on the concave surface allows the screened color powder to fall downward from the center of the guide plate 203, so that the screening effect is better. The fan blades 5 set can improve the powder screening effect, the air permeable net 6 set can prevent the color powder from passing through, the first gear 7 set can drive the second gear 8 to rotate, the motor 9 set can drive one of the rotating rods 4 to rotate, and the tank body 1 set can support the support rod and the support plate 201.

[0026] Working principle: the toner is put into the tank body 1 from the feed pipe 209, and the motor 9 drives one of the rotating rods 4 to rotate, and the rotating rod 4 drives the fan blades 5 to rotate, at this time, the air flow can be driven downward, and the screening of the toner can be accelerated. When one of the rotating rods 4 rotates, the first gear 7 is driven to rotate through the second gear 8, and the first gear 7 drives the rotating rod 4 to rotate. The rotating tube 205 can drive the scraper 206 to flip the toner on the surface of the sieve plate 202 to improve the screening effect. From top to bottom of the sieve plate 202, the smaller the sieve holes, and at the same time, the electric heating tube 207 is started to heat the rotating tube 205 and transfer it to the scraper 206. At this time, the contacted toner can be heated, and the toner can be effectively heated to avoid the toner from being damp and agglomerated and difficult to be screened. The sieve plate 202 is set to a slope for easy discharging, so that the screened toner can be discharged from the corresponding discharge pipe 208.

[0027] The wiring diagram of the motor 9 and the electric heating tube 207 in the present invention is common knowledge in the art, and its working principle is a known technology. The model is selected according to the actual use, so the control method and wiring arrangement of the motor 9 and the electric heating tube 207 are not explained in detail.

[0028] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A toner powder sieving device, comprising a tank (1), characterized in that: A powder screening mechanism (2) is arranged inside the tank body (1), and the powder screening mechanism (2) comprises a support plate (201), a sieve plate (202) is arranged on the surface of the support plate (201), a guide plate (203) is arranged on the lower surface of the support plate (201), a discharge pipe (204) is arranged on the surface of the guide plate (203), a rotating tube (205) is rotatably connected to the surface of the sieve plate (202) via a bearing, a scraper (206) is arranged on the surface of the rotating tube (205), an electric heating tube (207) is arranged on the surface of the tank body (1), a discharge pipe (208) is arranged on the side surface of the tank body (1), and a feed pipe (209) is arranged on the upper surface of the tank body (1).

2. The toner powder sieving device according to claim 1, characterized in that: The sieve plate (202) is arranged in a convex surface, and the guide plate (203) is arranged in a concave surface.

3. The toner powder sieving device according to claim 1, characterized in that: A partition (3) is provided on the surface of the tank body (1), the surface of the partition (3) is rotatably connected to a rotating rod (4) via a bearing, and the surface of the rotating rod (4) is provided with fan blades (5).

4. The toner powder sieving device according to claim 3, characterized in that: The surface of the partition plate (3) is provided with through holes, and the surface of the through holes is provided with a breathable net (6).

5. The toner powder sieving device according to claim 3, characterized in that: A first gear (7) is arranged on the surface of the rotating rod (4), and a second gear (8) is arranged on the surface of the rotating rod (4), and the second gear (8) is meshingly connected with the first gear (7).

6. The toner powder sieving device according to claim 3, characterized in that: A motor (9) is installed on the lower surface of the tank body (1), and an output end of the motor (9) is fixedly connected to one of the rotating rods (4).

7. The toner powder sieving device according to claim 6, characterized in that: The support plate (201) is fixedly connected to the tank body (1), the rotating rod (4) is rotatably connected to the tank body (1) via a bearing, and a positioning plate (10) is provided on the surface of the tank body (1).

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