Screening device for regenerated rubber powder

Abstract

The utility model relates to the technical field of regenerated rubber powder screening, and discloses a regenerated rubber powder screening device which comprises a screening box, and a screening mechanism is arranged in the screening box. The screening mechanism comprises a screening plate, the screening plate is arranged in the screening box in a sliding mode, the two sides of the screening plate are obliquely arranged, screening holes are formed in the surface of the screening plate, material collecting bases are arranged on the two sides of the screening plate in a sliding mode, and rectangular grooves corresponding to the material collecting bases are formed in the two sides of the screening box. A supporting structure is arranged at the bottom of the screening plate so that the screening plate can move up and down. The screening plate can be driven to intermittently move up and down through the arranged supporting structure, so that the vibration effect of the screening plate is more obvious, and rubber powder blocked in screening holes of the screening plate can be cleared away more quickly; the screening plate is arranged to be in the shape with the high middle and the two low sides, the screened unqualified rubber powder can fall into the two sides, accumulation of the rubber powder is not prone to being caused, and the screening efficiency is improved.

Description

Technical Field

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

[0002] Rubber powder is the abbreviation of rubber powder, which is generally processed from waste tires. Rubber powder is widely used in sports plastic playgrounds, playgrounds, rubber floor tiles, waterproof rolls, waterproof coatings, highway modified asphalt, rubber products and other fields; when processing recycled rubber powder, it needs to be screened;

[0003] After searching, a rubber powder screening and purification device disclosed in application number CN202222926830.X includes a shell, a feed port arranged on one side of the shell, a base arranged below the shell, and discharge ports arranged on both sides of the shell. A screening component for multi-stage screening of rubber powder is arranged in the shell, and recovery components for collecting rubber powder of different specifications screened by the screening component are arranged on both sides of the shell. A shock-absorbing component for reducing the overall vibration amplitude of the device is arranged below the base. The device has the advantages of multi-stage screening of rubber powder, collection of large particles, and anti-slip and shock-absorbing base, which solves the problems of single screening and grading of traditional rubber powder screening and purification devices, accumulation of large particles on the screen after screening, and large vibration when the device is working;

[0004] However, the above method still has the following defects in actual use: although it can screen the rubber powder in multiple stages, the rubber powder easily causes the sieve holes to be blocked, and it is difficult to clean the rubber powder blocked in the sieve holes by the vibration force of the vibration motor alone. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a screening device for recycled rubber powder, which has the advantage of not easily causing clogging of the sieve holes and solves the problems raised by the above-mentioned background technology.

[0006] The utility model provides the following technical solutions: a screening device for recycled rubber powder, comprising a screening box, wherein a screening mechanism is arranged inside the screening box; the screening mechanism comprises a screening plate, wherein the screening plate is slidably arranged inside the screening box, the two sides of the screening plate are inclined, and the surface of the screening plate is provided with sieve holes, the two sides of the screening plate are slidably provided with aggregate seats, the two sides of the screening box are provided with rectangular grooves corresponding to the aggregate seats, and the bottom of the screening plate is provided with a supporting structure to enable the screening plate to move up and down.

[0007] As a preferred technical solution of the utility model, a box cover is provided at the top of the screening box, a feed hopper is provided in the middle of the box cover, a discharge trough is provided at the bottom of the screening box, a material guide cover is provided at the bottom of the discharge trough, and a sealing cover is provided on the bottom thread of the material guide cover.

[0008] As a preferred technical solution of the utility model, a moving block is provided on the top of the screening plate, and a moving groove is provided on the inner wall of the screening box, which is slidably connected with the moving block.

[0009] As a preferred technical solution of the utility model, mounting grooves are provided on both sides of the screening plate, a slide bar is provided at the top of the mounting groove, a slide groove is provided at the bottom of the aggregate seat, which is slidably connected to the slide bar, and a groove is provided on the side of the aggregate seat.

[0010] As a preferred technical solution of the utility model, sealing plates are provided on both sides of the screening box, a snap-fit ​​seat is provided on the inner side of the sealing plate and snap-fits with the rectangular groove, and a handle is provided on the outer side of the sealing plate.

[0011] As a preferred technical solution of the utility model, the support structure includes two support seats and two connecting shafts. The support seat is arranged below the screening plate and is slidably connected to the inner wall of the screening box. The side of the support seat is arranged in an inclined shape and is arranged parallel to the inclined surface of the screening plate. A transmission gear seat is provided at the bottom end of the support seat. The connecting shaft is rotatably connected to the screening box. A half gear is provided in the middle of the connecting shaft, which meshes with the transmission gear seat.

[0012] As a preferred technical solution of the utility model, a limit block is provided on the end surface of the support seat, and a limit groove is provided on the inner wall of the screening box, which is slidably connected to the limit block.

[0013] As a preferred technical solution of the utility model, a motor frame is provided on one side wall of the screening box, a driving motor is provided on one side of the motor frame, a transmission shaft of the driving motor passes through the motor frame and is connected to one end of one of the connecting shafts, a transmission gear is provided at the other end of the two connecting shafts, and the two transmission gears are meshed with each other.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The support structure is set up to drive the screening plate to move up and down intermittently, making its vibration effect more obvious, and can more quickly clean up the rubber powder blocked in the sieve holes of the screening plate; the screening plate is set to be high in the middle and low on both sides, which can make the unqualified rubber powder fall to both sides, not easily causing the accumulation of rubber powder, thereby improving the screening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is one of the structural schematic diagrams of the utility model;

[0017] Figure 2 This is the second structural diagram of the utility model;

[0018] Figure 3 This is one of the explosion structure schematic diagrams of the utility model;

[0019] Figure 4 This is the second schematic diagram of the explosion structure of the utility model;

[0020] Figure 5 For this utility model Figure 3 A is an enlarged structural diagram;

[0021] Figure 6 For this utility model Figure 4 The enlarged structural diagram at B in FIG.

[0022] In the figure: 1. screening box; 101. box cover; 102. feed hopper; 103. support leg; 104. material guide cover; 105. sealing cover; 2. screening mechanism; 201. screening plate; 202. moving block; 203. moving slot; 204. mounting slot; 205. slide bar; 206. collecting seat; 207. slide slot; 208. groove; 209. rectangular slot; 2010. sealing plate; 2011. limit slot; 2012. support seat; 2013. limit block; 2014. transmission gear seat; 2015. connecting shaft; 2016. half gear; 2017. motor frame; 2018. driving motor; 2019. transmission gear. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-6 , a screening device for recycled rubber powder, comprising a screening box 1, wherein a screening mechanism 2 is provided inside the screening box 1;

[0025] A box cover 101 is provided at the top of the screening box 1, a feed hopper 102 is provided in the middle of the box cover 101, a discharge trough is provided at the bottom of the screening box 1, a guide cover 104 is provided at the bottom of the discharge trough, a sealing cover 105 is provided on the bottom thread of the guide cover 104, and four supporting legs 103 are provided at the bottom of the screening box 1.

[0026] The screening mechanism 2 comprises a screening plate 201, which is slidably arranged inside the screening box 1, with both sides of the screening plate 201 being inclined, and the surface of the screening plate 201 being provided with sieve holes, and both sides of the screening plate 201 being slidably provided with material collecting seats 206, and both sides of the screening box 1 being provided with rectangular grooves 209 corresponding to the material collecting seats 206, and a supporting structure being provided at the bottom of the screening plate 201 to enable the screening plate 201 to move up and down;

[0027] A moving block 202 is provided on the top of the screening plate 201, and a moving groove 203 is provided on the inner wall of the screening box 1, which is slidably connected with the moving block 202, and plays a guiding and limiting role in the movement of the screening plate 201;

[0028] Mounting grooves 204 are provided on both sides of the screening plate 201, and a slide bar 205 is provided at the top of the mounting groove 204. A slide groove 207 is provided at the bottom of the material collecting seat 206, which is slidably connected with the slide bar 205. A groove 208 is provided on the side of the material collecting seat 206 to facilitate the removal of the material collecting seat 206 from the side of the screening plate 201.

[0029] Sealing plates 2010 are provided on both sides of the screening box 1. A snap-fit ​​seat is provided on the inner side of the sealing plate 2010, which is snap-fitted and connected with the rectangular groove 209. A handle is provided on the outer side of the sealing plate 2010 to facilitate the removal of the sealing plate 2010.

[0030] The supporting structure includes two supporting seats 2012 and two connecting shafts 2015. The supporting seats 2012 are arranged below the screening plate 201 and are slidably connected to the inner wall of the screening box 1. The side of the supporting seats 2012 is arranged in an inclined shape and is arranged parallel to the inclined surface of the screening plate 201. The bottom end of the supporting seats 2012 is provided with a transmission gear seat 2014. The connecting shaft 2015 is rotatably connected to the screening box 1. A half gear 2016 is provided in the middle of the connecting shaft 2015, which meshes with the transmission gear seat 2014.

[0031] The end surface of the support seat 2012 is provided with a limit block 2013, and the inner wall of the screening box 1 is provided with a limit groove 2011, which is slidably connected with the limit block 2013, and plays a guiding and limiting role in the movement of the support seat 2012;

[0032] A motor frame 2017 is provided on one side wall of the screening box 1, and a driving motor 2018 is provided on one side of the motor frame 2017. The transmission shaft of the driving motor 2018 passes through the motor frame 2017 and is connected to one end of one of the connecting shafts 2015. A transmission gear 2019 is provided at the other end of the two connecting shafts 2015. The two transmission gears 2019 are meshed and matched. The driving motor 2018 drives one of the connecting shafts 2015 to rotate, and the other connecting shaft 2015 is driven to rotate in the opposite direction under the meshing cooperation of the transmission gear 2019.

[0033] When in use, firstly, rubber powder is added into the screening box 1 through the feed hopper 102, and the rubber powder is screened through the screening plate 201, and qualified rubber powder falls down through the sieve holes of the screening plate 201. The screening plate 201 is set in a shape of high in the middle and low on both sides, so that unqualified rubber powder can fall to both sides and enter the inside of the collecting seat 206;

[0034] Then, the driving motor 2018 is started, and the driving motor 2018 drives a connecting shaft 2015 on the left to rotate, thereby driving the half gear 2016 to rotate, and the support seat 2012 is driven to move upward under the meshing cooperation between the half gear 2016 and the transmission gear seat 2014 and the sliding cooperation between the limit block 2013 and the limit groove 2011, and the screening plate 201 is driven to move upward under the sliding cooperation between the moving block 202 and the moving groove 203. When the half gear 2016 rotates to the side without gear teeth, the screening plate 201 falls and resets under the action of gravity, so that the screening plate 201 can move up and down intermittently, and the support seat 2012 on the other side is driven to move upward synchronously under the meshing cooperation of the transmission gear 2019, so as to increase stability, and the screened rubber powder is discharged through the guide cover 104;

[0035] The sealing plate 2010 is removed, and the collecting seat 206 is taken out from the inside of the rectangular groove 209 through the groove 208, and the unqualified rubber powder in the collecting seat 206 is cleaned up in a centralized manner.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A screening device for recycled rubber powder, comprising a screening box (1), It is characterized in that The screening box (1) is provided with a screening mechanism (2) inside; The screening mechanism (2) comprises a screening plate (201), the screening plate (201) being slidably arranged inside the screening box (1), the two sides of the screening plate (201) being inclined, and the surface of the screening plate (201) being provided with sieve holes, the two sides of the screening plate (201) being slidably provided with a material collecting seat (206), the two sides of the screening box (1) being provided with a rectangular groove (209) corresponding to the material collecting seat (206), and the bottom of the screening plate (201) being provided with a supporting structure so that the screening plate (201) can move up and down.

2. A screening device for recycled rubber powder according to claim 1, Features: The top of the screening box (1) is provided with a box cover (101), the middle of the box cover (101) is provided with a feed hopper (102), the bottom of the screening box (1) is provided with a discharge trough, the bottom of the discharge trough is provided with a material guide cover (104), and the bottom of the material guide cover (104) is provided with a sealing cover (105) on a thread.

3. A screening device for recycled rubber powder according to claim 1, Features: A moving block (202) is provided on the top of the screening plate (201), and a moving groove (203) is provided on the inner wall of the screening box (1) and is slidably connected to the moving block (202).

4. A screening device for recycled rubber powder according to claim 1, Features: The screening plate (201) is provided with mounting grooves (204) on both sides, a slide bar (205) is provided at the top of the mounting groove (204), a slide groove (207) is provided at the bottom of the material collecting seat (206) and is slidably connected to the slide bar (205), and a groove (208) is provided on the side of the material collecting seat (206).

5. The screening device for recycled rubber powder according to claim 1, Features: Sealing plates (2010) are provided on both sides of the screening box (1); a snap-fit ​​seat is provided on the inner side of the sealing plate (2010) and snap-fits with the rectangular groove (209); and a handle is provided on the outer side of the sealing plate (2010).

6. A screening device for recycled rubber powder according to claim 1, Features: The support structure comprises two support seats (2012) and two connecting shafts (2015); the support seats (2012) are arranged below the screening plate (201) and are slidably connected to the inner wall of the screening box (1); the side surfaces of the support seats (2012) are arranged in an inclined shape and are arranged parallel to the inclined surface of the screening plate (201); a transmission gear seat (2014) is arranged at the bottom end of the support seat (2012); the connecting shaft (2015) is rotatably connected to the screening box (1); and a half gear (2016) is arranged in the middle of the connecting shaft (2015) and meshes with the transmission gear seat (2014).

7. A screening device for recycled rubber powder according to claim 6, Features: The end surface of the support seat (2012) is provided with a limit block (2013), and the inner wall of the screening box (1) is provided with a limit groove (2011) which is slidably connected to the limit block (2013).

8. A screening device for recycled rubber powder according to claim 6, Features: A motor frame (2017) is provided on one side wall of the screening box (1); a driving motor (2018) is provided on one side of the motor frame (2017); a transmission shaft of the driving motor (2018) passes through the motor frame (2017) and is connected to one end of one of the connecting shafts (2015); a transmission gear (2019) is provided at the other end of the two connecting shafts (2015); and the two transmission gears (2019) are meshed with each other.

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