Blackboard eraser cleaning machine

Abstract

The utility model relates to a blackboard eraser cleaning machine which comprises a machine box, a mounting frame, a pressing plate, a driving mechanism and a water spraying mechanism are arranged in the machine box, the mounting frame is fixed in the machine box, a containing groove used for containing a blackboard eraser is formed in the mounting frame, a through bottom through hole is formed in the bottom of the containing groove, and the pressing plate is movably arranged on the mounting frame. The pressing plate is arranged in the containing groove and right faces the through hole in the bottom of the containing groove, the driving mechanism is used for driving the pressing plate to move so that the pressing plate can press the blackboard eraser placed in the containing groove back and forth, and the water spraying mechanism is used for spraying water to the blackboard eraser placed in the containing groove. The pressing plate moves back and forth to repeatedly press the blackboard eraser placed in the containing groove, the water spraying mechanism sprays water to the blackboard eraser while pressing is conducted, the machine automatically completes the cleaning process, water spraying is conducted while pressing is conducted, and the cleaning effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of teaching auxiliary tools, in particular to a blackboard erasing cleaning machine. Background Art

[0002] Blackboard writing is still a commonly used teaching method in current teaching because it is easy to write and wipe. In order to protect the health of teachers and students, it is necessary to solve the problem of chalk dust flying around when wiping the blackboard. Therefore, people have designed a blackboard eraser with strong water absorption. After wetting the blackboard eraser, the chalk dust will directly adhere to the blackboard eraser and will not fly around. However, the blackboard will not be wiped clean after the blackboard eraser is adhered with chalk dust, and the blackboard needs to be cleaned frequently. At present, the blackboard eraser is usually cleaned by hand, which is troublesome to clean and easy to make the cleaner dirty during cleaning, which increases the burden on teachers and students. Summary of the invention

[0003] In order to solve the above problems, the utility model proposes a blackboard eraser cleaning machine, which uses automatic cleaning by the machine to replace manual labor, so as to reduce the burden of teachers and students and improve the cleaning efficiency and effect of the blackboard eraser.

[0004] In order to achieve the above-mentioned purpose, the utility model provides a blackboard eraser cleaning machine, characterized in that it includes a chassis, a mounting frame, a pressing plate, a driving mechanism and a water spraying mechanism are arranged in the chassis, the mounting frame is fixed in the chassis, a placement groove for placing the blackboard eraser is arranged on the mounting frame, the bottom of the placement groove is a through bottom through hole, the pressing plate is movably arranged on the mounting frame and faces the bottom through hole of the placement groove, the driving mechanism is used to drive the pressing plate to move so that the pressing plate presses the blackboard eraser placed in the placement groove back and forth, and the water spraying mechanism is used to spray water to the blackboard eraser placed in the placement groove.

[0005] The utility model provides a board eraser cleaning machine, which presses the board eraser placed in the placement slot repeatedly by moving a pressing plate back and forth, and a water spraying mechanism sprays water onto the board eraser while pressing, so that the machine automatically completes the cleaning process, presses and sprays water at the same time, and has a good cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0006] Figure 1 It is a structural schematic diagram of a board eraser cleaning machine;

[0007] Figure 2 This is a schematic diagram of the structure of the eraser cleaning machine after the front shell is removed;

[0008] Figure 3 It is a schematic diagram of the partial structure inside the eraser cleaning machine;

[0009] Figure 4 for Figure 3 A schematic diagram of the structure from another perspective of the structure shown;

[0010] Figure 5 It is a schematic diagram of the partial structure inside the eraser cleaning machine;

[0011] Figure 6 It is a schematic diagram of the partial structure inside the eraser cleaning machine;

[0012] Figure 7 It is a structural diagram of the driving mechanism.

[0013] The utility model is further described in detail below in conjunction with the accompanying drawings. DETAILED DESCRIPTION

[0014] See also Figures 1 to 4 The blackboard eraser cleaning machine comprises a chassis, and the chassis comprises a front shell 11 and a rear shell 12 installed together. A mounting frame 2, a pressing plate 3, a driving mechanism and a water spraying mechanism are arranged in the chassis. The mounting frame 2 is mounted on the chassis by screws, and is hollow and cylindrical, and comprises two parts, front and rear, of different sizes and connected together. A placement groove 21 for placing the blackboard eraser 10 is arranged on the mounting frame 2, and the bottom of the placement groove 21 is a through bottom through hole, and the outer circle of the blackboard eraser 10 is placed on the placement groove 21, and the sponge of the blackboard eraser 10 can pass through the bottom through hole. A side of the lower end of the placement groove 21 close to the front shell 11 is provided with a panel 22, and the blackboard eraser 10 placed in the placement groove 21, its lower end is stuck between the placement groove 21 and the panel 22, and the panel 22 has a limiting effect on the blackboard eraser 10. Above the placement groove 21, a moving block 62 is arranged. Mounting frame 2 is provided with driving member 61, and driving member 61 is above moving block 62, and its lower end is connected with moving block 62, and driving member 61 is used for driving moving block 62 to move up and down.When blackboard eraser 10 is put into placement groove 21, driving member 61 drives moving block 62 to move downward, and moving block 62 is pressed on blackboard eraser 10, thereby blackboard eraser 10 is firmly fixed, prevents blackboard eraser 10 from moving in cleaning process.After cleaning is finished, driving member drives moving block 62 to move upward, unclamps blackboard eraser 10, so that take out blackboard eraser 10. Driving member 61 preferably adopts electromagnetic valve, also can adopt cylinder, linear motor etc.

[0015] See also Figure 5 and Figure 6A support base 20 is fixedly arranged in the mounting frame 2. The support base 20 is fixed to the inside of the mounting frame 2 by screws, and is provided with three through holes extending in the horizontal direction. The mounting frame 2 is also provided with a pressing plate 3, a moving rod 43 and two guide rods 33. The pressing plate 3 is a rectangular thin plate, facing the bottom through hole of the placement slot 21, and is used to press the sponge of the eraser 10. The moving rod 43 and the guide rod 33 each pass through a through hole of the above-mentioned support base 20, and both ends extend out of the through hole, and both can move back and forth along the through hole relative to the support base 20. The two guide rods 33 are parallel to the moving rod 43, and both have one end connected to the pressing plate 3, and are symmetrically arranged above and below the moving rod 43, respectively, to enhance the support, movement guidance and balanced force effect on the pressing plate 3. See Figures 5 to 7 The driving mechanism includes a motor 4, a rotating member 41, a connecting rod 42 and a moving rod 43. The motor 4 is mounted on the mounting frame 2, and its rotating shaft is connected to the rotating member 41, so as to drive the rotating member 41 to rotate. The rotating member 41 is in the shape of a round cake, and is provided with a rotating rod 44. The rotating rod 44 is located at an eccentric position of the rotating member 41 and is parallel to the rotating shaft of the motor 4. The connecting rod 42 is provided with a connecting hole that penetrates in the horizontal direction. The rotating rod 44 is inserted into the connecting hole of the connecting rod 42, is perpendicular to the connecting rod 42, is rotatably connected to the connecting rod 42, and can rotate relative to the connecting rod 42. One end of the moving rod 43 is connected to the pressing plate 3, and the other end is hinged to the connecting rod 42. The moving rod 43 can only move horizontally along the through hole of the support seat 20. The connecting rod 34 can rotate relative to the moving rod 43 around the hinge axis while moving with the moving rod 43. The motor 4 is started, and the rotating rod 44 rotates around the rotating shaft of the motor. The position of the connecting hole of the connecting rod 42 changes with the position change of the rotating rod 44. The change of the position of the connecting hole of the connecting rod 42 in the vertical direction causes the connecting rod 42 to rotate relative to the moving rod 43, and the change of the position in the horizontal direction drives the moving rod 43 and the connecting rod 42 to move forward and backward in the horizontal direction, so that the pressing plate 3 moves forward and backward to press the wiper 10. In order to make the connecting rod 42 bear force evenly and the transmission more stable, a motor 4 and a rotating member 41 are respectively arranged on both sides of the connecting rod 42, and the rotating rod 44 passes through the connecting hole of the connecting rod 42, and a rotating member 41 is connected to each of the two ends. The two motors 4 rotate synchronously and drive the rotating rod 44 synchronously.

[0016] See also Figure 2 and Figure 4The water spraying mechanism includes a water storage tank 5, a water spraying head 54 and a water pump 52. The water storage tank 5 is installed below the mounting frame 2. A card slot 56 is provided in the middle of the water storage tank 5. A filter mesh cotton 57 is placed in the card slot, and the water storage area of ​​the water storage tank 5 is divided into a clean water area on the left and a sewage area on the right. The water pump 52 is arranged in the clean water area to store clean water for cleaning the blackboard eraser. The sewage area is below the placement tank 21 to receive sewage after cleaning the blackboard eraser. The sewage is filtered out of dust by the filter mesh cotton 57 and then flows to the clean water area of ​​the water storage tank 5 for reuse. The water in the water storage tank 5 can be used repeatedly.

[0017] The mounting frame 2 is provided with a cleaning chamber 28 connected to the bottom through hole of the placement groove 21, and the pressing plate 3 is arranged in the cleaning chamber 28 and can move back and forth in the cleaning chamber 28. The upper wall of the cleaning chamber 28 is provided with a water inlet, and the water spraying head 54 is installed on the mounting frame 2, and at the water inlet, the water sprayed by the water spraying head 54 enters the cleaning chamber 28 through the water inlet and is sprayed on the sponge of the eraser 10. The water pipe 53 connects the water pump 52 and the water spraying head 54. The lower wall of the cleaning chamber 28 is provided with a water outlet 23, and the water outlet 23 is below the placement groove 21. A water receiving groove 24 is provided below the water outlet 23, and a water outlet hole is provided at the lower part of the water receiving groove 24. The sewage after washing the eraser enters the water receiving groove 24 from the water outlet 23, and then flows into the water storage tank 5 from the water outlet hole of the water receiving groove 24. The water pump 52 is started, and the water pump 52 raises the water in the water storage tank 5 to the water spray head 54, and the water spray head 54 sprays water to the sponge of the blackboard eraser 10. At the same time, the moving rod 43 drives the pressing plate 3 to move back and forth, pressing the sponge of the blackboard eraser 10, rinsing and pressing at the same time, and the blackboard eraser 10 is cleaned very well. The pressing plate 3 and the sponge of the blackboard eraser 10 are in the cleaning chamber 28, and the sprayed water enters from the water inlet at the upper part of the cleaning chamber 28, and the cleaned water flows out from the water outlet 23. During the cleaning process, the cleaning water is confined in the cleaning chamber 28, and will not be sandblasted onto other parts including electronic components, which not only keeps the inside of the cleaning machine clean and dry, but also protects the circuit system of the cleaning machine.

[0018] See also Figure 1 and Figure 2 , a protective door 8 is provided on the front shell 11, and the protective door 8 is on the front side of the placement slot 21 and can move left and right along the track on the front shell 11. An infrared sensor switch 7 is provided on one side of the placement slot 21, which is used to detect whether there is a blackboard eraser 10 in the placement slot 21. When the infrared sensor switch 7 detects the blackboard eraser 10, the cleaning machine automatically starts cleaning. An indicator light 15 is provided on the front shell 11, and when cleaning is in progress, the indicator light 15 is on. A waterproof protective fault box 16 is provided on the upper part of the chassis, and electronic components such as a power access port, a transformer, a controller and a power-off backup power supply are provided in the box. The transformer is electrically connected to the water pump 52, and the 220V voltage input is converted into a 24V voltage to power the water pump 52. In the case of a power outage, the power-off backup power supply allows the cleaning machine to continue to work.

[0019] The eraser cleaning machine provided by the utility model repeatedly presses the eraser placed in the placement slot by moving the pressing plate back and forth, and the water spraying mechanism sprays water to the eraser while pressing, and the machine automatically completes the cleaning process, pressing and spraying water at the same time, and has a good cleaning effect. The utility model has a high degree of automation, good cleaning effect, high efficiency, and can be widely used in universities, middle schools, and primary schools, which can effectively reduce the burden on teachers and students and create a dust-free and healthy environment.

Claims

1. A board eraser cleaning machine, characterized in that: The utility model comprises a chassis, wherein a mounting frame, a pressing plate, a driving mechanism and a water spraying mechanism are arranged in the chassis. The mounting frame is fixed in the chassis, and a placement groove for placing a blackboard eraser is arranged on the mounting frame, and the bottom of the placement groove is a through bottom through hole. The pressing plate is movably arranged on the mounting frame and faces the bottom through hole of the placement groove. The driving mechanism is used to drive the pressing plate to move so that the pressing plate presses the blackboard eraser placed in the placement groove back and forth, and the water spraying mechanism is used to spray water to the blackboard eraser placed in the placement groove.

2. The eraser cleaning machine according to claim 1, characterized in that: The driving mechanism includes a motor, a rotating part, a connecting rod and a moving rod. The motor is installed on the mounting frame, and its rotating shaft is connected to the rotating part for driving the rotating part to rotate. The rotating part is provided with a rotating rod parallel to the rotating shaft of the motor. The rotating rod is perpendicular to the connecting rod and is rotatably connected to the connecting rod. A supporting seat is provided on the mounting frame, and the moving rod is movably arranged on the supporting seat, one end of which is connected to the pressing plate, and the other end is hinged to the connecting rod.

3. The eraser cleaning machine according to claim 2, characterized in that: The connecting rod is provided with a connecting hole, and the rotating rod is inserted into the connecting hole.

4. The eraser cleaning machine according to claim 3, characterized in that: The water spraying mechanism comprises a water storage tank, a water spraying head and a water pump. The water storage tank is installed below the mounting frame, the water pump is arranged in the water storage tank, the water spraying head is arranged on the mounting frame, and a water pipe connects the water pump and the water spraying head.

5. The eraser cleaning machine according to claim 4, characterized in that: The mounting frame is provided with a cleaning cavity connected to the bottom through hole of the placement slot, the pressing plate is arranged in the cleaning cavity, the upper wall of the cleaning cavity is provided with a water inlet, the water spray head is at the water inlet, the lower wall of the cleaning cavity is provided with a water outlet, and the water outlet is below the placement slot.

6. The eraser cleaning machine according to claim 5, characterized in that: A moving block is arranged above the placement slot, and a driving member is arranged on the mounting frame. The driving member is above the moving block, and its lower end is connected with the moving block. The driving member is used for driving the moving block to move up and down.

7. The eraser cleaning machine according to claim 6, characterized in that: A slot is provided in the middle of the water storage tank, and filter cotton is placed in the slot. The filter cotton divides the water storage tank into a clean water area and a sewage area. The water pump is arranged in the clean water area, and the sewage area is below the placement slot.

8. The eraser cleaning machine according to claim 7, characterized in that: The support seat is provided with two guide rods, which are symmetrically arranged above and below the moving rod, respectively. The guide rods are parallel to the moving rod and can move relative to the support seat, and one end of the guide rod is connected to the pressing plate.

9. The eraser cleaning machine according to claim 8, characterized in that: An infrared sensor switch is arranged on one side of the placement slot.

10. The eraser cleaning machine according to claim 9, characterized in that: The chassis is provided with a protection door, which is located on the front side of the placement slot.

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