Automatic cleaning device of roller type screening machine

Abstract

The utility model discloses an automatic cleaning device for a roller type screening machine, which belongs to the technical field of cleaning devices and comprises two rectangular mounting frames fixedly connected onto the roller type screening machine, a programmable controller fixedly connected onto the inner wall of the rectangular mounting frame on one side, and a controller fixedly connected onto the inner wall of the rectangular mounting frame on the other side. Side assembling plates are arranged on the side walls, close to each other, of the two mounting rectangular frames and located between roller gaps of adjacent screening rollers of the roller type screening machine. The upper and lower cleaning rollers and the cleaned material collecting mechanism are arranged, so that materials adhered to the surfaces of the screening rollers can be cleaned through contact with the rotating screening rollers, the materials falling from the surfaces of the screening rollers can be received and cleaned, and the problem that the materials fall onto the roller type screening machine and are difficult to clean is solved; and meanwhile, the cleaning roller and the cleaned material collecting mechanism are of a lifting structure, and daily screening work of the roller type screening machine is not affected.

Description

Technical Field

[0001] The utility model belongs to the technical field of cleaning devices, and in particular relates to an automatic cleaning device for a roller screening machine. Background Art

[0002] A roller screening machine refers to an efficient and accurate material screening equipment that screens materials based on the rotation of rollers. During the screening process, materials often stick to the surface of the rollers and need to be processed in time to avoid affecting the screening effect.

[0003] Patent No. 202220267803.3 discloses an automatic cleaning device for a pelletizing roller screening machine, which consists of a frame installed on the roller screening machine, a hoisting seat installed in the frame, a sliding mechanism installed between the frame and the hoisting seat, a plurality of rotatable cleaning parts installed on the hoisting seat and located between adjacent rollers, and a rotating mechanism installed on the hoisting seat for driving the plurality of cleaning parts to rotate. When the device is clearing materials, the sliding mechanism and the rotating mechanism are started, the sliding mechanism drives the hoisting seat to slide, the hoisting seat drives the plurality of cleaning parts to slide, the rotating mechanism drives the plurality of cleaning parts to rotate, and the sliding and rotating cleaning parts can remove materials adhered to the plurality of rollers.

[0004] The inventors of the present application have discovered that when the cleaning member of the above-mentioned existing automatic material cleaning device for roller screening machine rotates to clean the materials adhered to the roller surface, the cleaned materials directly fall onto the roller screening machine due to the lack of a receiving structure, which makes it difficult to clean them later, thereby reducing the use effect of the device. Utility Model Content

[0005] In order to solve the problems raised in the above background technology. The utility model provides an automatic cleaning device for a roller screening machine, which can not only clean the materials adhering to the surface of the screening roller by contacting with the rotating screening roller, but also can catch and clean the materials falling from the surface of the screening roller, thus avoiding the problem that the materials fall onto the roller screening machine and are difficult to clean.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic cleaning device for a roller screening machine, comprising: two mounting rectangular frames fixedly connected to the roller screening machine, a programmable controller fixedly connected to the inner wall of one side of the mounting rectangular frames, side assembly plates are respectively placed between the two mounting rectangular frames close to the side walls and located between the roller gaps of adjacent screening rollers of the roller screening machine, a lifting mechanism is installed between the multiple side assembly plates and the two mounting rectangular frames, an assembly shaft is fixedly connected to the upper part between the two side assembly plates in the roller gaps of adjacent screening rollers of the roller screening machine, a cleaning roller that contacts the surfaces of two adjacent screening rollers is fixedly sleeved outside the assembly shaft, a cleaning material collecting mechanism is installed between the two side assembly plates in the roller gaps of adjacent screening rollers of the roller screening machine, and the lifting mechanism and the cleaning material collecting mechanism are connected to the programmable controller by wires.

[0007] Furthermore, the lifting mechanism includes a top mounting plate fixedly connected to the top ends of the two mounting rectangular frames and a first movable seat fixedly connected to the top ends of the side mounting plates, the outer wall of the top mounting plate is fixedly connected to a motor, and a first driving cavity and a second driving cavity are respectively opened inside the top mounting plate from the side close to the motor to the side far away from the motor, a first driving shaft having one end connected to the motor output shaft through a coupling and the other end connected to the inner wall of the top mounting plate through a bearing is placed inside the first driving cavity, two first conical wheels are fixedly sleeved on the first driving shaft, two second driving shafts are placed inside the second driving cavity, one end of the second driving shaft passes through the top mounting plate and extends to the first driving cavity to be fixedly sleeved A second conical wheel meshingly connected to an adjacent first conical wheel, a second drive shaft is connected to a through section of the top assembly plate and the other end of the second drive shaft is connected to an inner wall of the top assembly plate through a bearing, a plurality of hollow worms are fixedly sleeved on the second drive shaft, a plurality of first screws are connected to the top assembly plate through a bearing, the top end of the first screw extends into the second drive cavity and is fixedly sleeved with a worm wheel meshingly connected to an adjacent hollow worm, the bottom end of the first screw penetrates the top of the mounting rectangular frame and is connected to the through section of the mounting rectangular frame and the inner bottom wall of the mounting rectangular frame through a bearing, the first movable seat is transmission-connected to the adjacent first screw through a transmission nut, and the motor and the programmable controller are connected by wires.

[0008] Furthermore, the cleaning material collecting mechanism includes a collecting bottom plate fixedly connected between two side assembly plates of the roller gaps of adjacent screening rollers of the roller screening machine, two L-shaped movable grooves are symmetrically arranged at the bottom end of the collecting bottom plate, and electromagnets are respectively fixedly connected to the side walls close to each other in the two movable grooves on the collecting bottom plate, a fixing rod is fixedly connected in the vertical section of the movable groove, and a second movable seat is movably connected to the fixing rod through an open hole sleeve connection, and a connecting spring is elastically connected between the two second movable seats located outside the fixing rod and the side walls away from each other and the two movable grooves away from each other, and movable plates extending to the outside through the openings of the horizontal section of the movable groove on the same side are respectively symmetrically fixedly connected to the top ends of the two second movable seats, and the two movable plates are respectively fixedly connected to the collecting side plates on the side walls away from each other, and the electromagnets are connected to the programmable controller by wires.

[0009] Furthermore, the two collecting side plates are close to each other and located above the collecting bottom plate, and are symmetrically fixed with guide plates.

[0010] Furthermore, a second screw with a handle is placed between the two side assembly plates in the roller gap of adjacent screening rollers of the roller screening machine and located above the collecting bottom plate. The second screw with a handle passes through the side assembly plate on the same side near the handle end and extends to the outside. The second screw with a handle is connected to the through section of the side assembly plate and the second screw with a handle is connected to the inner wall of the side assembly plate on the same side away from the handle end through bearings. The second screw with a handle is connected to a third movable seat through a transmission nut, and a cleaning brush plate with bristles that contacts the surface of the collecting bottom plate is fixed to the bottom end of the third movable seat.

[0011] Furthermore, the third movable seat is located near the handle end and is fixedly connected to the outside of the second screw rod with the handle, and has a cleaning brush ring with bristles contacting the surface of the second screw rod with the handle.

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

[0013] 1. The utility model is provided with upper and lower cleaning rollers and a cleaning material collecting mechanism, which can not only clean the materials adhering to the surface of the screening roller by contacting with the rotating screening roller, but also can receive the materials falling from the surface of the cleaning screening roller, thus avoiding the problem that the materials fall onto the roller screening machine and are difficult to clean. At the same time, the cleaning roller and the cleaning material collecting mechanism are arranged in a lifting structure, which does not affect the daily screening work of the roller screening machine.

[0014] 2. The utility model is provided with a material receiving and cleaning mechanism, which facilitates cleaning personnel to quickly clean up the materials collected in the cleaning material collecting mechanism, thereby improving cleaning efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional diagram of the utility model;

[0016] Figure 2 This is a cross-sectional view of the utility model;

[0017] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle;

[0018] Figure 4 It is a vertical cross-sectional view of the utility model;

[0019] Figure 5 For this utility model Figure 4 Enlarged view of point B in the middle;

[0020] Figure 6 For this utility model Figure 4 Enlarged view of point C in the middle;

[0021] Figure 7 It is a schematic diagram of the utility model being assembled on a roller screening machine;

[0022] In the figure: 1. Install rectangular frame; 2. Top assembly plate; 3. Programmable controller; 4. Side assembly plate; 5. Collecting bottom plate; 6. Collecting side plate; 7. First movable seat; 8. First screw; 9. First drive chamber; 10. First drive shaft; 11. Second drive chamber; 12. Second drive shaft; 13. Hollow worm; 14. Worm gear; 15. Motor; 16. First conical wheel; 17. Second conical wheel; 18. Assembly shaft; 19. Cleaning roller; 20. Guide plate; 21. Movable plate; 22. Second movable seat; 23. Movable groove; 24. Electromagnet; 25. Fixed rod; 26. Connecting spring; 27. Second screw with handle; 28. Plate with cleaning brush; 29. ​​Third movable seat; 30. Ring with cleaning brush. 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] Embodiment 1

[0025] See also Figure 1-7 The utility model provides the following technical solutions: an automatic cleaning device for a roller screening machine, comprising: two mounting rectangular frames 1 fixedly connected to the roller screening machine, a programmable controller 3 of model VH-24MR fixedly connected to the inner wall of one side mounting rectangular frame 1, side mounting plates 4 are respectively placed between the two mounting rectangular frames 1 close to the side walls and located between the roller gaps of adjacent screening rollers of the roller screening machine, a lifting mechanism is installed between the multiple side mounting plates 4 and the two mounting rectangular frames 1, an assembly shaft 18 is fixedly connected to the upper side between the two side mounting plates 4 between the roller gaps of adjacent screening rollers of the roller screening machine, a cleaning roller 19 contacting the surfaces of the two adjacent screening rollers is fixedly sleeved outside the assembly shaft 18, the cleaning roller 19 is a roller with a cleaning brush, a cleaning material collecting mechanism is installed between the two side mounting plates 4 between the roller gaps of adjacent screening rollers of the roller screening machine, and the lifting mechanism and the cleaning material collecting mechanism are connected to the programmable controller 3 by wires.

[0026] See attached Figure 1 , 4and 7. When the device is automatically cleaned, the programmable controller 3 is used to control the cleaning material collecting mechanism and the lifting mechanism to start. The cleaning material collecting mechanism reduces the area so as to smoothly pass through the roller gaps of the adjacent screening rollers of the roller screening machine. The lifting mechanism drives the multiple side assembly plates 4 to move downward, and the multiple side assembly plates 4 drive the corresponding cleaning rollers 19 and the cleaning material collecting mechanism to move downward until the set time is reached and the cleaning rollers 19 are located between the roller gaps of the adjacent screening rollers of the roller screening machine and contact the roller surfaces of the adjacent screening rollers respectively. The cleaning material collecting mechanism is located between the roller gaps of the adjacent screening rollers and is located below the adjacent screening rollers respectively. The cleaning material collecting mechanism is controlled to expand the area to receive the cleaned materials. The rotating screening rollers of the roller screening machine continuously contact the adjacent cleaning rollers 19 to clean the materials adhered to the surface, and the cleaned materials are received by the cleaning material collecting mechanism. After the cleaning is completed, the cleaning material collecting mechanism is controlled to reduce the area, the lifting mechanism is controlled to move upward and return to its original position, the materials received in the cleaning material collecting mechanism are cleaned, and the cleaning material collecting mechanism is controlled to reset, thus completing the automatic cleaning work.

[0027] Specifically, the lifting mechanism includes a top assembly plate 2 fixedly connected to the top ends of the two mounting rectangular frames 1 and a first movable seat 7 fixedly connected to the top ends of the side assembly plates 4. A motor 15 of model 5IK90RGU-CF is fixedly connected to the outer wall of the top assembly plate 2. A first drive cavity 9 and a second drive cavity 11 are respectively opened inside the top assembly plate 2 from the side close to the motor 15 to the side far away from the motor 15. A first drive shaft 10 is placed inside the first drive cavity 9, one end of which is connected to the output shaft of the motor 15 through a coupling and the other end is connected to the inner wall of the top assembly plate 2 through a bearing. Two first conical wheels 16 are fixedly sleeved on the first drive shaft 10. Two second drive shafts 12 are placed inside the second drive cavity 11. One end of the second drive shaft 12 passes through the top assembly plate 2 and extends to the first drive cavity 9 to be fixed. A second conical wheel 17 meshingly connected to an adjacent first conical wheel 16 is sleeved, the second drive shaft 12 is connected to a through section of the top assembly plate 2 and the other end of the second drive shaft 12 is connected to the inner wall of the top assembly plate 2 through a bearing, a plurality of hollow worms 13 are fixedly sleeved on the second drive shaft 12, a plurality of first screws 8 are connected to the top assembly plate 2 through a bearing, the top end of the first screw 8 extends into the second drive cavity 11 and is fixedly sleeved with a worm wheel 14 meshingly connected to an adjacent hollow worm 13, the bottom end of the first screw 8 penetrates through the top end of the mounting rectangular frame 1 and is connected to the through section of the mounting rectangular frame 1 and the inner bottom wall of the mounting rectangular frame 1 through a bearing, the first movable seat 7 is transmission-connected to the adjacent first screw 8 through a transmission nut, and the motor 15 is connected to the programmable controller 3 by wires.

[0028] See attached Figure 2-3When the lifting mechanism is working, the motor 15 is started by controlling the programmable controller 3, and the motor 15 drives the output shaft to rotate forward and reversely. The output shaft of the motor 15 drives the first drive shaft 10 to rotate forward and reversely, and the first drive shaft 10 drives the two first conical wheels 16 to rotate forward and reversely, and the two first conical wheels 16 respectively drive the meshing second conical wheels 17 to rotate forward and reversely, and the two second conical wheels 17 respectively drive the connected second drive shaft 12 to rotate forward and reversely, and the two second drive shafts 12 respectively drive the connected hollow worm 13 to rotate forward and reversely, and the plurality of hollow worms 13 respectively drive the meshing worm wheels 14 to rotate forward and reversely, and the plurality of worm wheels 14 respectively drive the connected first screw rods 8 to rotate forward and reversely. During the forward and reverse rotation of the plurality of first screw rods 8, the plurality of first movable seats 7 move downward or upward on the transmission-connected first screw rods 8, and the plurality of first movable seats 7 drive the connected side assembly plates 4 to move in the same direction, so as to realize the lifting function of the side assembly plates 4.

[0029] Specifically, the cleaning material collection mechanism includes a collecting bottom plate 5 fixedly connected between two side assembly plates 4 of the roller gap between adjacent screening rollers of the roller screening machine, two L-shaped movable grooves 23 are symmetrically provided at the bottom end of the collecting bottom plate 5, and electromagnets 24 of model KK-P20 / 15 are fixedly connected to the side walls close to each other of the two movable grooves 23 on the collecting bottom plate 5, a fixing rod 25 is fixedly connected in the vertical section of the movable groove 23, and a second movable seat 22 is movably connected to the fixing rod 25 through an open hole sleeve connection, and a connecting spring 26 is elastically connected between the side walls away from each other of the two second movable seats 22 and the side walls away from each other of the two movable grooves 23 outside the fixing rod 25, and the tops of the two second movable seats 22 are symmetrically fixed with iron movable plates 21 extending to the outside through the openings of the horizontal sections of the movable grooves 23 on the same side, and the two movable plates 21 are fixedly connected to the collecting side plates 6 on the side walls away from each other, and the electromagnet 24 is connected to the programmable controller 3 by wires.

[0030] See attached Figure 4 and 5 When the cleaning material collection mechanism is working, if it is necessary to reduce the area, the electromagnet 24 is energized through the programmable controller 3, and the two electromagnets 24 are energized to adsorb the two movable plates 21, and the two movable plates 21 move inward and are stored in the two movable grooves 23. The two movable plates 21 drive the connected collecting side plates 6 to move in the same direction to reduce the area. If it is necessary to increase the area, the electromagnet 24 is de-energized through the programmable controller 3, and the two movable plates 21 move outward under the reset force of the two connecting springs 26, driving the two collecting side plates 6 to move in the same direction to increase the area. The cleaned materials are received by the collecting box composed of the collecting bottom plate 5 and the two collecting side plates 6.

[0031] Specifically, the two collecting side plates 6 are close to the side walls and are located above the collecting bottom plate 5 and are symmetrically fixed with guide plates 20 .

[0032] See attached Figure 5 The guide plate 20 can guide the collected materials to the collecting bottom plate 5 for convenient centralized cleaning.

[0033] Embodiment 2

[0034] The difference between this embodiment and the first embodiment is that:

[0035] Specifically, a second screw rod 27 with a handle is placed between the two side assembly plates 4 of the roller gap between adjacent screening rollers of the roller screening machine, and is located above the collecting bottom plate 5. The second screw rod 27 with a handle passes through the side assembly plate 4 on the same side near the handle end and extends to the outside. The second screw rod 27 with a handle and the penetrating section of the side assembly plate 4 and the second screw rod 27 with a handle and the inner wall of the side assembly plate 4 on the same side are connected through bearings. The second screw rod 27 with a handle is connected to the third movable seat 29 through a transmission nut, and a cleaning brush plate 28 with bristles that contacts the surface of the collecting bottom plate 5 is fixed to the bottom end of the third movable seat 29.

[0036] See attached Figure 4 and 6 When cleaning the materials on the collecting bottom plate 5, the handle is rotated forward, and the handle drives the second screw rod 27 with the handle to rotate forward. During the forward rotation of the second screw rod 27 with the handle, the third movable seat 29 moves on the second screw rod 27 with the handle toward the handle end, and the third movable seat 29 drives the cleaning brush plate 28 to move in the same direction. During the movement of the cleaning brush plate 28, the materials on the collecting bottom plate 5 are cleaned toward the handle end, making it convenient for the cleaning personnel to collect.

[0037] Embodiment 3

[0038] The difference between this embodiment and the second embodiment is that:

[0039] Specifically, the third movable seat 29 is located near the handle end and is fixedly connected to the outside of the second screw rod 27 with handle, and the bristles of the third movable seat 29 contact the surface of the second screw rod 27 with handle.

[0040] See attached Figure 6 During the movement of the third movable seat 29 , the cleaning brush ring 30 is driven to move in the same direction. During the movement of the cleaning brush ring 30 , the materials adhered to the second screw rod 27 with the handle are first cleaned to prevent the materials from affecting the movement of the third movable seat 29 .

[0041] 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. An automatic cleaning device for a roller screening machine, characterized in that: include: Two mounting rectangular frames (1) are fixedly connected to the roller screening machine, a programmable controller (3) is fixedly connected to the inner wall of one side of the mounting rectangular frames (1), side mounting plates (4) are respectively placed between the roller gaps of adjacent screening rollers of the roller screening machine on the side walls of the two mounting rectangular frames (1) close to each other, a lifting mechanism is installed between the plurality of side mounting plates (4) and the two mounting rectangular frames (1), an mounting shaft (18) is fixedly connected to the upper part between the two side mounting plates (4) in the roller gaps of adjacent screening rollers of the roller screening machine, a cleaning roller (19) contacting the surfaces of two adjacent screening rollers is fixedly sleeved on the outside of the mounting shaft (18), a cleaning material collecting mechanism is installed between the two side mounting plates (4) in the roller gaps of adjacent screening rollers of the roller screening machine, and the lifting mechanism and the cleaning material collecting mechanism are connected to the programmable controller (3) by wires.

2. The automatic cleaning device for a roller screening machine according to claim 1, characterized in that: The lifting mechanism comprises a top assembly plate (2) fixedly connected to the top ends of two mounting rectangular frames (1) and a first movable seat (7) fixedly connected to the top ends of the side assembly plates (4); a motor (15) is fixedly connected to the outer wall of the top assembly plate (2); a first drive cavity (9) and a second drive cavity (11) are respectively provided inside the top assembly plate (2) from the side close to the motor (15) to the side far away from the motor (15); a first drive shaft (10) is placed inside the first drive cavity (9), one end of which is connected to the output shaft of the motor (15) through a coupling and the other end of which is connected to the inner wall of the top assembly plate (2) through a bearing; two first conical wheels (16) are fixedly sleeved on the first drive shaft (10); two second drive shafts (12) are placed inside the second drive cavity (11); one end of the second drive shaft (12) passes through the top assembly plate (2) and extends to the first drive cavity (9), and is fixedly sleeved with an adjacent first conical wheel (16). A second conical wheel (17) meshed with a conical wheel (16); a second drive shaft (12) and a top assembly plate (2) through-section and the other end of the second drive shaft (12) are connected to the inner wall of the top assembly plate (2) through a bearing; a plurality of hollow worms (13) are fixedly sleeved on the second drive shaft (12); a plurality of first screws (8) are connected to the top assembly plate (2) through a bearing; the top end of the first screw (8) extends into the second drive cavity (11) and is fixedly sleeved with a worm wheel (14) meshed with an adjacent hollow worm (13); the bottom end of the first screw (8) penetrates the mounting rectangular frame (1) and the top end is connected to the mounting rectangular frame (1) through-section and the inner bottom wall of the mounting rectangular frame (1) through a bearing; the first movable seat (7) is transmission-connected to the adjacent first screw (8) through a transmission nut; and the motor (15) and the programmable controller (3) are connected by wires.

3. The automatic cleaning device for a roller screening machine according to claim 1, characterized in that: The cleaning material collection mechanism comprises a collecting bottom plate (5) fixedly connected between two side assembly plates (4) of the roller gaps of adjacent screening rollers of the roller screening machine, two L-shaped movable grooves (23) are symmetrically provided at the bottom end of the collecting bottom plate (5), electromagnets (24) are fixedly connected to the side walls of the two movable grooves (23) close to each other on the collecting bottom plate (5), a fixing rod (25) is fixedly connected in the vertical section of the movable groove (23), and a second movable seat (24) is movably connected to the fixing rod (25) by means of an open hole sleeve connection. 2), the fixed rod (25) is located outside the two second movable seats (22) and the two movable grooves (23) are located outside the side walls, and are elastically connected with a connecting spring (26); the tops of the two second movable seats (22) are symmetrically fixed with movable plates (21) that pass through the horizontal openings of the movable grooves (23) on the same side and extend to the outside; the two movable plates (21) are fixed with collecting side plates (6) on the side walls that are away from each other; and the electromagnet (24) is connected to the programmable controller (3) by a wire.

4. The automatic cleaning device for a roller screening machine according to claim 3, characterized in that: The two collecting side plates (6) are close to each other and located above the collecting bottom plate (5) and are symmetrically fixed with guide plates (20).

5. The automatic cleaning device for a roller screening machine according to claim 3, characterized in that: A second screw rod (27) with a handle is placed between two side assembly plates (4) of the roller gap between adjacent screening rollers of the roller screening machine and located above the collecting bottom plate (5). The second screw rod (27) with a handle passes through the side assembly plate (4) on the same side near the handle end and extends to the outside. The second screw rod (27) with a handle and the through section of the side assembly plate (4) and the second screw rod (27) with a handle and the inner wall of the side assembly plate (4) on the same side are connected by bearings. The second screw rod (27) with a handle is connected to a third movable seat (29) through a transmission nut. The bottom end of the third movable seat (29) is fixedly connected to a cleaning brush plate (28) with bristles contacting the surface of the collecting bottom plate (5).

6. The automatic cleaning device for a roller screening machine according to claim 5, characterized in that: The third movable seat (29) is located near the handle end and is fixedly connected to the outside of the second screw rod (27) with handle and has a cleaning brush ring (30) with bristles contacting the surface of the second screw rod (27) with handle.

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