Screening device for expanded graphite powder

Abstract

The utility model relates to the technical field of expanded graphite powder processing, and discloses a screening device for expanded graphite powder, which solves the problem that a small amount of graphite powder or impurities are blocked in screen meshes and are difficult to discharge at present, and comprises a screening box, a discharging pipe is fixedly mounted at the bottom of the screening box, a screening mechanism is mounted on the screening box, a box door is arranged on the screening box, the screening mechanism comprises a mounting frame movably mounted in the screening box, a screen is mounted at the top of the mounting frame, and a baffle is fixedly mounted at the top of the screen; according to the screen mesh dredging device, the sleeve plate can slide along the two bottom rods conveniently through cooperation of the motor, the transmission shaft, the dredging rod and the movable rod, the screen mesh can move up and down conveniently through cooperation of the U-shaped round rod, the fixed frame and the mounting frame, mesh holes in the screen mesh can be dredged through the mounting column, and therefore the screen mesh is prevented from being blocked.

Description

Technical Field

[0001] The utility model belongs to the technical field of expanded graphite powder processing, in particular to a screening device for expanded graphite powder. Background Art

[0002] Expanded graphite powder is a mineral powder with special properties. It is mainly used in the fields of refractory materials, conductive materials, wear-resistant lubricating materials, etc. In the production process, the screening of graphite powder is an important link to ensure product quality.

[0003] Most of the existing technologies screen graphite powder through a screen. Although the screen can be vibrated by a vibration motor to avoid clogging, a small amount of graphite powder or impurities may be stuck in the screen holes and difficult to discharge, which easily affects the screening efficiency of the graphite powder. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a screening device for expanded graphite powder, which effectively solves the problem that a small amount of graphite powder or impurities are stuck in the sieve holes and are difficult to discharge.

[0005] To achieve the above object, the utility model provides the following technical solution: a screening device for expanded graphite powder, comprising a screening box, a feed hopper is fixedly installed on the top of the screening box, a discharge pipe is fixedly installed on the bottom of the screening box, a screening mechanism is installed on the screening box, and a box door is provided on the screening box;

[0006] The screening mechanism includes an installation frame movably installed inside the screening box, a screen is installed on the top of the installation frame, a baffle is fixedly installed on the top of the screen, a fixed frame located below the installation frame is fixedly installed inside the screening box, discs are fixedly installed at equal distances on the inner side of the fixed frame, and installation columns are fixedly connected at equal distances on the top surface of each disc, the installation columns correspond to the mesh holes on the screen one by one, the outer diameter of the installation columns is equal to the inner diameter of the mesh holes on the screen, and two U-shaped round rods are symmetrically fixedly connected to the bottom of the installation frame, and the two U-shaped round rods both penetrate the fixed frame and are movably connected to the fixed frame.

[0007] Preferably, the bottom of the fixed frame is symmetrically fixedly connected with two bottom rods, the bottom ends of the two bottom rods are fixedly installed with bottom blocks, the outer sides of the two bottom rods are movably sleeved with the same sleeve plate, and the sleeve plate is fixedly sleeved on the outer sides of the two U-shaped round rods.

[0008] Preferably, a U-shaped frame is fixedly installed on the outside of the screening box, a motor is fixedly installed on the inner wall of the U-shaped frame, a transmission shaft is fixedly installed on the motor, one end of the transmission shaft away from the motor extends to the inside of the screening box and is fixedly installed with a dredging rod, which is located directly above the sleeve plate.

[0009] Preferably, a side of the dredging rod away from the transmission shaft is rotatably connected to a movable rod, and an end of the movable rod away from the dredging rod is rotatably connected to the sleeve plate.

[0010] Preferably, a stirring shaft is rotatably connected to the inner wall of the U-shaped frame, and one end of the stirring shaft away from the U-shaped frame is rotatably connected to the inner wall of the screening box. A stirring rod located in the screening box is fixedly connected to the outer side of the stirring shaft at an equal distance, and the stirring rod is located above the screen.

[0011] Preferably, transmission wheels are provided on the outer sides of the stirring shaft and the transmission shaft, a conveyor belt is transmission-connected between the two transmission wheels, and the conveyor belt is located on the outer side of the screening box.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model facilitates the sliding of the sleeve along the two bottom rods through the cooperation between the motor and the transmission shaft and the dredging rod and the movable rod, and facilitates the up and down movement of the screen through the cooperation between the U-shaped round rod and the fixed frame and the mounting frame, and then the mesh holes on the screen can be dredged through the mounting column, thereby avoiding the blockage of the screen;

[0014] (2) The new type facilitates the rotation of the stirring shaft through the coordination between the motor, the transmission shaft and the conveyor belt, which in turn enables the stirring rod to rotate to stir the graphite powder, thereby improving the screening efficiency of the graphite powder. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached picture:

[0017] Figure 1 This is a schematic structural diagram of a screening device for expanded graphite powder according to the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of the screening box of the utility model;

[0019] Figure 3 This is a schematic diagram of the screening mechanism structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the fixed frame structure of the utility model.

[0021] In the figure: 1. screening box; 2. screening mechanism; 201. mounting frame; 202. screen; 203. fixing frame; 204. transmission shaft; 205. motor; 206. conveyor belt; 207. baffle; 208. U-shaped frame; 209. transmission wheel; 2010. stirring shaft; 2011. stirring rod; 2012. U-shaped round rod; 2013. bottom block; 2014. bottom rod; 2015. sleeve plate; 2016. movable rod; 2017. disc; 2018. mounting column; 2019. dredging rod; 3. feed hopper; 4. discharge pipe; 5. box door. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] Embodiment 1, by Figure 1-2 The utility model comprises a screening box 1, a feed hopper 3 is fixedly installed on the top of the screening box 1, a discharge pipe 4 is fixedly installed on the bottom of the screening box 1, a screening mechanism 2 is installed on the screening box 1, and a box door 5 is provided on the screening box 1.

[0024] Specifically, by Figure 3-4The screening mechanism 2 includes a mounting frame 201 movably mounted inside the screening box 1, a screen 202 is mounted on the top of the mounting frame 201, a baffle 207 is fixedly mounted on the top of the screen 202, the screen 202 is fixed to the top of the mounting frame 201 by bolts, and a box door 5 is set at a position corresponding to the screen 202. When the box door 5 is opened, the screen 202 can be removed from the top of the mounting frame 201 and pulled out from the screening box 1, so as to facilitate the processing of impurities on the top of the screen 202. The plate 207 is used to prevent the impurities from falling off the screen 202 during the movement. The interior of the screening box 1 is fixedly installed with a fixed frame 203 located below the installation frame 201. The inner side of the fixed frame 203 is fixedly installed with discs 2017 at equal distances. The top surfaces of the discs 2017 are fixedly connected with mounting posts 2018 at equal distances. The mounting posts 2018 correspond to the mesh holes on the screen 202 one by one. The outer diameter of the mounting posts 2018 is equal to the inner diameter of the mesh holes on the screen 202. The bottom is symmetrically fixedly connected with two U-shaped round rods 2012, and the two U-shaped round rods 2012 both penetrate the fixed frame 203 and are movably connected to the fixed frame 203. The bottom of the fixed frame 203 is symmetrically fixedly connected with two bottom rods 2014, and the bottom ends of the two bottom rods 2014 are fixedly installed with bottom blocks 2013. The outer sides of the two bottom rods 2014 are movably sleeved with the same sleeve plate 2015, and the sleeve plate 2015 is fixedly sleeved on the outer sides of the two U-shaped round rods 2012. The outer side of the screening box 1 is fixedly installed with a U-shaped The U-shaped frame 208 has a motor 205 fixedly mounted on the inner wall thereof, a transmission shaft 204 fixedly mounted on the motor 205, one end of the transmission shaft 204 away from the motor 205 extends to the interior of the screening box 1 and is fixedly mounted with a dredging rod 2019, the dredging rod 2019 is located directly above the sleeve plate 2015, and the side of the dredging rod 2019 away from the transmission shaft 204 is rotatably connected to a movable rod 2016, and one end of the movable rod 2016 away from the dredging rod 2019 is rotatably connected to the sleeve plate 2015;

[0025] When in use, first start the motor 205 to drive the transmission shaft 204 to rotate, and then drive the dredging rod 2019 to rotate, and then drive the sleeve plate 2015 to slide along the two bottom rods 2014 through the movable rod 2016, and then drive the installation frame 201 to move through the two U-shaped round rods 2012, and at the same time, the screen 202 moves up and down, and the mesh holes on the screen 202 are dredged through the installation column 2018, and finally the screen 202 is prevented from being blocked.

[0026] Specifically, by Figure 3It is shown that a stirring shaft 2010 is rotatably connected to the inner wall of the U-shaped frame 208, and one end of the stirring shaft 2010 away from the U-shaped frame 208 is rotatably connected to the inner wall of the screening box 1, and a stirring rod 2011 located in the screening box 1 is fixedly connected to the outer side of the stirring shaft 2010 at an equal distance, and the stirring rod 2011 is located above the screen 202, and a transmission wheel 209 is provided on the outer side of the stirring shaft 2010 and the transmission shaft 204, and a conveyor belt 206 is transmission-connected between the two transmission wheels 209, and the conveyor belt 206 is located on the outer side of the screening box 1;

[0027] In use, when the motor 205 is started, it drives the transmission shaft 204 to rotate, and drives the stirring shaft 2010 to rotate through the conveyor belt 206. At the same time, the stirring rod 2011 rotates to stir the graphite powder, thereby improving the screening efficiency of the graphite powder.

Claims

1. A screening device for expanded graphite powder, comprising a screening box (1), characterized in that: A feed hopper (3) is fixedly mounted on the top of the screening box (1), a discharge pipe (4) is fixedly mounted on the bottom of the screening box (1), a screening mechanism (2) is mounted on the screening box (1), and a box door (5) is provided on the screening box (1); The screening mechanism (2) comprises a mounting frame (201) movably mounted inside the screening box (1); a screen (202) is mounted on the top of the mounting frame (201); a baffle (207) is fixedly mounted on the top of the screen (202); a fixed frame (203) located below the mounting frame (201) is fixedly mounted inside the screening box (1); circular discs (2017) are fixedly mounted on the inner side of the fixed frame (203) at equal distances; mounting posts (218) are fixedly connected to the top surfaces of the respective circular discs (217) at equal distances; the mounting posts (218) correspond to the meshes on the screen (202) one by one; the outer diameter of the mounting posts (218) is equal to the inner diameter of the meshes on the screen (202); two U-shaped round rods (2012) are symmetrically fixedly connected to the bottom of the mounting frame (201); the two U-shaped round rods (2012) both penetrate the fixed frame (203) and are movably connected to the fixed frame (203).

2. A screening device for expanded graphite powder according to claim 1, characterized in that: The bottom of the fixed frame (203) is symmetrically fixedly connected to two bottom rods (2014), the bottom ends of the two bottom rods (2014) are fixedly mounted with bottom blocks (2013), the outer sides of the two bottom rods (2014) are movably sleeved with a same sleeve plate (2015), and the sleeve plate (2015) is fixedly sleeved on the outer sides of the two U-shaped round rods (2012).

3. A screening device for expanded graphite powder according to claim 1, characterized in that: A U-shaped frame (208) is fixedly mounted on the outer side of the screening box (1); a motor (205) is fixedly mounted on the inner side wall of the U-shaped frame (208); a transmission shaft (204) is fixedly mounted on the motor (205); an end of the transmission shaft (204) away from the motor (205) extends into the interior of the screening box (1) and is fixedly mounted with a dredging rod (2019); the dredging rod (2019) is located directly above the sleeve plate (2015).

4. A screening device for expanded graphite powder according to claim 3, characterized in that: The side of the dredging rod (219) away from the transmission shaft (204) is rotatably connected to a movable rod (2016), and the end of the movable rod (2016) away from the dredging rod (2019) is rotatably connected to the sleeve plate (2015).

5. A screening device for expanded graphite powder according to claim 3, characterized in that: A stirring shaft (2010) is rotatably connected to the inner wall of the U-shaped frame (208); one end of the stirring shaft (2010) away from the U-shaped frame (208) is rotatably connected to the inner wall of the screening box (1); a stirring rod (2011) located in the screening box (1) is fixedly connected to the outer side of the stirring shaft (2010) at an equal distance; and the stirring rod (2011) is located above the screen (202).

6. A screening device for expanded graphite powder according to claim 5, characterized in that: Transmission wheels (209) are provided on the outside of the stirring shaft (2010) and the transmission shaft (204), and a conveyor belt (206) is connected between the two transmission wheels (209), and the conveyor belt (206) is located on the outside of the screening box (1).

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