Automatic filling device and method for purification plate rock wool

Abstract

The present invention provides an automatic rock wool filling device and method for purification panels. The device includes a rock wool conveying system, a box panel conveying system, a cutting machine, and a controller. The rock wool conveying system is located above the box panel conveying system. The rock wool conveying system includes a second conveyor belt for conveying rock wool during cutting, a first conveyor belt for moving rock wool when the box panels and rock wool are assembled, and a rock wool head detection sensor. The saw blade of the cutting machine is located above the second conveyor belt. The box panel conveying system includes a second roller conveyor for moving the box panels when the box panels and rock wool are assembled. The box panel conveying system also includes a box panel tail detection sensor for detecting the tail of the box panel and a box panel stop switch sensor. The box panel tail detection sensor is located below the saw blade of the cutting machine, and the box panel stop switch sensor is located at the output end of the second roller conveyor. The present invention can improve the degree of automation and achieve high continuous production efficiency.

Description

Technical Field

[0001] The invention belongs to the field of steel bar processing, and in particular relates to an automatic filling device and method for purification plate rock wool. Background Art

[0002] Cleanroom panels offer excellent cleansing capabilities and strong antibacterial and antifouling properties, making them suitable for applications requiring stringent hygiene. They are commonly used in sanitary systems, food processing facilities, and electronics and precision machinery workshops. The widespread use of cleanroom panels and the recent surge in sanitary systems are driving market demand for cleanroom panel production lines.

[0003] Today, cleanroom panel production lines employ both manual and automated filling methods for the crucial rock wool filling process. Manual filling involves purchasing rock wool strips of appropriate thickness from suppliers based on the panel thickness, and then manually filling the panels with the strips. Existing automated rock wool filling equipment uses an encoder to determine the length of the rock wool by using a pressure roller. The roller presses against the rock wool, and the movement of the rock wool drives the roller's rotation. An encoder is mounted on the roller shaft, and the encoder's pulses are counted to calculate the length of the rock wool.

[0004] However, this type of automated installation method has certain disadvantages. For example, the rock wool is soft, which causes the roller to not press the rock wool tightly enough; the rock wool is dusty, and after a certain period of time, the roller will be covered with powder, and the longer the time, the more powder will stick to it, resulting in inaccurate encoder counting.

[0005] Due to the above reasons, it is difficult to ensure the length accuracy of rock wool, requiring manual intervention at intervals during the production process. The low degree of automation in the rock wool filling process and the unstable cutting length of rock wool lead to shortcomings such as large site space, many workers, low output, and difficult product quality control. Summary of the Invention

[0006] In view of this, the present invention aims to propose an automatic filling device for purification plate rock wool to solve the problems of low degree of automation and short continuous production time.

[0007] To achieve the above object, the technical solution created by the present invention is implemented as follows:

[0008] A purification board rock wool automatic filling device, which includes a rock wool conveying system, a box board conveying system, a cutting machine and a controller, wherein the rock wool conveying system is located above the box board conveying system;

[0009] The cutting machine is used for cutting rock wool;

[0010] The rock wool conveying system includes at least two conveyor belts and a rock wool head detection sensor. The conveyor belts are arranged continuously and are used to convey rock wool. There is a second conveyor belt that carries the rock wool during cutting and a first conveyor belt that runs the rock wool during assembly of the box board and the rock wool.

[0011] The saw blade of the cutting machine is located above the second conveyor belt;

[0012] The box plate conveying system comprises at least two roller conveyors, which are arranged in series and used to convey the box plates, wherein there is a second roller conveyor for running the box plates when the box plates are assembled with rock wool;

[0013] The box board conveying system further includes a box board tail detection sensor and a box board stop switch sensor for detecting the position of the box board, wherein the box board tail detection sensor is located below the saw blade of the cutting machine, and the box board stop switch sensor is located at the output end of the second roller conveyor;

[0014] The box board tail detection sensor is linked to the saw blade, the second roller and the second conveyor belt through the controller;

[0015] The rock wool head detection sensor is located at the output end of the first conveyor belt and above the second roller and adjacent to the box plate stop switch sensor;

[0016] The box plate stop switch sensor and the rock wool head detection sensor are linked to the first conveyor belt and the second roller through the controller.

[0017] Furthermore, it also includes a first roller that is installed adjacent to the second roller and transports the box plate assembled with rock wool. The box plate stop switch sensor and the rock wool head detection sensor are linked to the first conveyor belt, the second roller and the first roller through the controller.

[0018] Furthermore, the first roller conveyor and / or the second roller conveyor is a roller-type conveying structure, and the conveying power is provided by a variable frequency motor.

[0019] Furthermore, the portion of the second conveyor belt located below the saw blade is called an avoidance portion, and the avoidance portion forms an avoidance space by arranging a roller to change the installation trajectory of the second conveyor belt. A lining plate is provided on the avoidance space, and the rock wool is cut by the cutting machine at the lining plate and sent to the first conveyor belt through the lining plate and the second conveyor belt.

[0020] Furthermore, the output end of the first conveyor belt is connected to a support plate, and the rock wool head detection sensor is arranged above the tail of the support plate.

[0021] Furthermore, the box plate conveying system further includes a box plate deceleration sensor, which is installed above the second roller, and the box plate deceleration sensor and the box plate stop switch sensor are sequentially distributed along the box plate conveying direction;

[0022] Preferably, the distance between the box plate deceleration sensor and the box plate stop switch sensor is 200-400 mm.

[0023] Furthermore, the box board tail detection sensor is located below the saw blade and adjacent to the second roller input end side.

[0024] Furthermore, the first conveyor belt and / or the second conveyor belt is a belt-type conveying structure, and the conveying power is provided by a variable frequency motor.

[0025] Furthermore, the rock wool head detection sensor, the box board tail detection sensor, and the box board stop switch sensor are all photoelectric switches.

[0026] Furthermore, the box board deceleration sensor is a photoelectric switch.

[0027] Furthermore, the cutting machine includes a saw blade left and right travel motor and a saw blade rotation motor, so that the saw blade can move along the direction of the second conveyor belt and can rotate for cutting.

[0028] The invention also aims to propose an automatic filling method for purification plate rock wool to solve the problems of low degree of automation and short continuous production time.

[0029] A method for automatically filling purification plate rock wool, the steps comprising:

[0030] Step 1: Start the second conveyor belt and the first conveyor belt, and the rock wool is transported by the second conveyor belt and the first conveyor belt until the rock wool head detection sensor detects the rock wool and stops;

[0031] The second roller conveyor is started, and the box plate is transported through the second roller conveyor until the box plate stop switch sensor detects the box plate and stops;

[0032] Step 2: After the rock wool head detection sensor and the box plate stop switch sensor receive signals at the same time, the first conveyor belt starts first and drives the rock wool forward, and the rock wool head falls into the box plate;

[0033] Step 3: The second roller starts and drives the box plate forward, while the first conveyor belt drives the rock wool to continue moving forward;

[0034] Step 4: After the box board tail detection sensor detects the box board tail, the second roller, the first conveyor belt and the second conveyor belt all stop running, and the cutting machine is started to cut the rock wool;

[0035] Step 5: After the cutting is completed, the cutting machine is restored, and the second roller and the first conveyor belt are started again until the rock wool head detection sensor detects the rock wool again;

[0036] Step 6: The second roller and the first conveyor belt stop, and the box plate assembled with rock wool leaves the second roller;

[0037] Then repeat steps one to six.

[0038] Furthermore, it also includes a first roller conveyor installed adjacent to the second roller conveyor and conveying the box panels assembled with rock wool;

[0039] In step 3, the second roller conveyor starts together with the first roller conveyor, both of which drive the box plate forward;

[0040] In step 4, when the second roller stops, the first roller also stops;

[0041] In step five, the first roller is also started again;

[0042] In step six, the first conveyor belt and the second roller stop running, and the first roller continues to run to convey the box board equipped with rock wool out.

[0043] Furthermore, after the rock wool head falls into the box plate in step 2, the first conveyor belt continuously drives the rock wool to be transported forward for 2-5 seconds, and then enters step 3.

[0044] Furthermore, in step three, the running speed of the first conveyor belt is greater than the running speed of the second roller. Preferably, the running speed of the first conveyor belt is 5%-10% greater than the running speed of the second roller.

[0045] Furthermore, the box plate conveying system further includes a box plate deceleration sensor, which is installed above the second roller, and the box plate deceleration sensor and the box plate stop switch sensor are sequentially distributed along the box plate conveying direction;

[0046] Preferably, the distance between the box plate deceleration sensor and the box plate stop switch sensor is 200-400 mm;

[0047] In step one, the second roller moves the box plate forward, the box plate first touches the box plate deceleration sensor, and the running speed of the second roller decreases until the box plate stop switch sensor detects the box plate, and then stops the second roller.

[0048] Compared with the prior art, the automatic rock wool filling device and method for purification plates created by the present invention have the following advantages:

[0049] 1. Use sensors to detect the head and tail of the box board, and cooperate with the rock wool position sensor to detect and the position relationship of multiple conveying structures. The controller does not need to know the board length, and there is no need to use an encoder to detect the length of the box board. The rock wool cutting work is triggered by the detection of the tail of the box board. There is no need to measure the length of the rock wool, so it is not affected by dust during the rock wool cutting process, reducing the trouble of manual correction, increasing the continuous working time of automatic filling, and further improving the degree of automation.

[0050] 2. Compared with existing technologies, it greatly saves equipment costs, greatly reduces equipment maintenance requirements, and reduces the number of workers accordingly.

[0051] 3. Compared with the existing technology, it ensures the stability and continuity of the automatic filling device, improves product quality and greatly increases production capacity. BRIEF DESCRIPTION OF THE DRAWINGS

[0052] The accompanying drawings, which constitute part of the present invention, are intended to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are intended to explain the present invention and do not constitute an undue limitation of the present invention. In the accompanying drawings:

[0053] Figure 1 This is an overall schematic diagram of the automatic rock wool filling device for the purification plate according to an embodiment of the present invention;

[0054] Figure 2 A schematic diagram of the rock wool automatic filling start position according to an embodiment of the present invention;

[0055] Figure 3 This is a schematic diagram of the rock wool head pressing against the inner side of the box plate according to an embodiment of the present invention;

[0056] Figure 4 A schematic diagram of an embodiment of the present invention when the tail of a box board leaves the tail detection sensor of the box board;

[0057] Figure 5 This is a schematic diagram of the rock wool detection sensor when the rock wool leaves the rock wool head according to an embodiment of the present invention;

[0058] Figure 6 This is a flow chart of the automatic filling method of the purification plate rock wool described in the embodiment of the present invention.

[0059] Description of reference numerals:

[0060] 1-first roller; 2-second roller; 3-first conveyor belt; 4-second conveyor belt; 5-cutting machine; 6-saw blade; 7-lining plate; 8-roller; 9-support plate; 10-first roller motor; 11-second roller motor; 12-first conveyor belt motor; 13-second conveyor belt motor; 14-saw blade left and right travel motor; 15-saw blade rotation motor; 16-box plate stop photoelectric switch; 17-box plate deceleration photoelectric switch; 18-box plate tail detection photoelectric switch; 19-rock wool head detection photoelectric switch; 20-box plate; 21-rock wool. DETAILED DESCRIPTION

[0061] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0062] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second" and the like are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, features defined as "first", "second" and the like may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0063] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to internal connections between two components. Those skilled in the art can understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0064] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0065] The automatic rock wool filling device for the purification board includes a rock wool conveying system, a box board conveying system, a cutting machine 5 and a controller, and the rock wool conveying system is located above the box board conveying system.

[0066] The first roller 1 and the second roller 2 in the box plate conveying system are responsible for conveying the box plate 20. The first roller 1 and the second roller 2 are both roller conveyors. The first roller 1 is driven by a first roller motor 10, and the second roller is driven by a second roller motor 11.

[0067] The rock wool conveying system includes a first conveyor belt 3 and a second conveyor belt 4, which are responsible for conveying rock wool 21. The first conveyor belt 3 and the second conveyor belt 4 are both belt conveyors. The first conveyor belt 3 is driven by a first conveyor belt motor 12, and the second conveyor belt 4 is driven by a second conveyor belt motor 13.

[0068] The cutting machine 5 is used to cut the rock wool 21 . The saw blade 6 is driven to move left and right by the saw blade moving motor 14 and to rotate by the saw blade rotating motor 15 . The saw blade 6 moves left and right while rotating, thereby cutting the rock wool 21 .

[0069] The box plate stop switch sensor (box plate stop photoelectric switch 16), the box plate deceleration sensor (box plate deceleration photoelectric switch 17) and the box plate tail detection sensor (box plate tail detection photoelectric switch 18) are installed above the second roller, and the rock wool head detection sensor (rock wool head detection photoelectric switch 19) is installed above the pallet 9. These signals are used to control the roller motor, conveyor belt motor and cutting machine 5.

[0070] A support plate 9 is connected to the output end of the first roller conveyor 1 .

[0071] To keep the belt inside the second conveyor 4 clear of the saw blade 6 on the cutter 5, multiple rollers 8 are installed near the pallet 7 below the saw blade 6, creating a clearance space. A liner 7 is placed in the clearance space, where the rock wool 21 is cut by the cutter 5. The cut rock wool 21 then passes through the liner 7, the first conveyor 3, and the pallet 9 into the box plate 20 on the first roller conveyor 1.

[0072] In order to achieve the above functions, the purification board rock wool automatic filling method is set according to the requirements of the device, and the device controller, a touch screen, and four frequency converters are used to control the roller motor and conveyor belt motor respectively, as well as photoelectric switches for detecting box board deceleration, box board stop, box board head and tail, and rock wool head. The controller controls the cutting machine at the same time.

[0073] The second roller 1 carries the box plate 20 and moves forward. When the head of the box plate 20 hits the box plate deceleration photoelectric switch 17, the second roller 1 runs slowly. When the head of the box plate 20 hits the box plate stop photoelectric switch 16, the second roller 2 stops. The first conveyor belt 3 and the second conveyor belt 4 carry the rock wool 21 and move forward. When the head of the rock wool 21 hits the rock wool head detection photoelectric switch 19, the first conveyor belt 3 and the second conveyor belt 4 stop. The above operation is Figure 2 The previous state, before arriving Figure 2 Before the state, the box plate 20 and the rock wool 21 are running at the same time, which one arrives first Figure 2 Status who stops first.

[0074] During the whole process of filling the box board with rock wool, Figure 2 It is the starting position. The rock wool 21 and the box plate 20 will stop first. When both the rock wool 21 and the box plate 20 arrive Figure 2 The filling process starts in the state. Figure 2 The state starts, the rock wool 21 moves forward, the box plate 20 stops and waits, and when the rock wool head 21 presses against the inner side of the box plate 20, it is Figure 3 state.

[0075] The touch screen can set parameters: the time from the rock wool head to the box plate head, which is the time from the rock wool head to the box plate head. Figure 2 Status running to Figure 3 The time required for the state is set to 2 seconds longer than the actual running time. When the rock wool head touches the inner side of the box plate, the box plate still stops, and the rock wool continues to move forward for 2 seconds. During this 2-second period, the rock wool pushes the box plate forward to ensure that the rock wool head is tight against the inner side of the box plate.

[0076] The rock wool head detection sensor (rock wool head detection photoelectric switch 19) is installed on the head of the pallet 9; the box plate stop switch sensor (box plate stop photoelectric switch 16) is installed above the head of the second roller; the box plate deceleration sensor (box plate deceleration photoelectric switch 17) is installed on the second roller. Before the box plate stop photoelectric switch 16, the distance between the box plate deceleration and stop photoelectric switches is 300mm (the distance is set according to the conveying speed and the length of the box plate, the distance mentioned here is the preferred distance), which is called the deceleration distance. The box plate moves quickly before the deceleration distance and moves at a low speed within the deceleration distance range, so that the box plate stops accurately when it reaches the stop position.

[0077] The box board tail detection photoelectric switch 18 is installed on the second roller, below the cutter. Adjusting the position of this photoelectric switch can control the length of the rock wool cut. When the box board tail disengages the board tail detection photoelectric switch 18, the first and second conveyor belts stop, the rock wool cutter starts, and the position of the board tail detection photoelectric switch determines the location of the rock wool cut.

[0078] exist Figure 5 State, the cut rock wool is filled into the box board. At the tail of the board, if there is a gap between the rock wool and the inner side of the tail of the box board, it means that the rock wool is too short. Then the position of the photoelectric switch 18 at the tail of the board moves toward the forward direction of the box board. The shorter the rock wool is, the more distance the photoelectric switch 18 moves forward. Figure 5If the rock wool cannot enter the inner side of the tail of the box board, it indicates that the rock wool is too long. The position of the photoelectric switch 18 at the tail of the board is then moved in the opposite direction of the box board's forward movement. The photoelectric switch 18 moves back the same distance as the rock wool is too long. This operation is performed during the initial commissioning of the equipment. There is no need to adjust the position of the photoelectric switch 18 at the tail of the board later. This method can cut rock wool regardless of the length of the box board, ensuring a reliable rock wool filling length for any length of box board.

[0079] The first roller 1, the second roller 2, the first conveyor belt 3 and the second conveyor belt 4 are each equipped with a frequency converter, and the controller controls the four frequency converters independently.

[0080] When the controller detects that the box plate stop photoelectric switch 16 and the rock wool head detection photoelectric switch 19 have signals at the same time, the second roller 2 is still stopped, and the first conveyor belt 3 and the second conveyor belt 4 move forward at the same time. After the set time parameter "rock wool 21 head to box plate 20 head time" is passed, the rock wool 21 arrives at the Figure 3 The time set for the parameter "Rockwool head to box plate head time" is 2 seconds longer than the actual required time. The extra 2 seconds allow the rock wool 21 to press against the inner side of the box plate 20 to push the box plate 20 to move, leaving no gap between the rock wool 21 and the box plate 20.

[0081] arrive Figure 3 After the state is reached, the first roller and the second roller start to move forward, and the first conveyor belt 3 and the second conveyor belt 4 continue to move forward. The conveyor belt speed is 5%-10% higher than the roller speed, so that in the process of moving forward, the rock wool is always in the state of pushing the box plate to ensure that the rock wool and the box plate are tightly connected.

[0082] When the box plate tail leaves the box plate tail detection photoelectric switch 18, that is, Figure 4 In the state, the first conveyor belt, the second conveyor belt, the first roller and the second roller are stopped at the same time, and the cutting machine is started.

[0083] After the cutting is completed, the second conveyor belt stops, and the first conveyor belt, the first roller and the second roller move forward quickly, while keeping the speed of the first conveyor belt 5%-10% higher than the speed of the roller.

[0084] When the rock wool leaves the photoelectric switch 19, Figure 5 In this state, the first conveyor belt and the second roller stop, and the first roller continues to move forward quickly. When the tail of the box board leaves the photoelectric switch 16, the second roller, the first conveyor belt and the second conveyor belt start to move. The second roller transports the next box board forward, decelerates after the photoelectric switch 17, and the box board stops. The box board deceleration photoelectric switch 16 stops. The first and second conveyor belts transport the rock wool to the rock wool head detection photoelectric switch 19 and stop, starting the next cycle.

[0085] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A purification board rock wool automatic filling device, characterized by: It includes rock wool conveying system, box board conveying system, cutting machine and controller. The rock wool conveying system is located above the box board conveying system. The cutting machine is used for cutting rock wool; The rock wool conveying system includes a second conveyor belt for receiving and conveying the rock wool during cutting, a first conveyor belt for running the rock wool during assembly of the box board and the rock wool, and a rock wool head detection sensor; The saw blade of the cutting machine is located above the second conveyor belt; The box plate conveying system includes a second roller conveyor for running the box plate when the box plate is assembled with the rock wool; The box board conveying system further includes a box board tail detection sensor for detecting the position of the box board tail and a box board stop switch sensor, wherein the box board tail detection sensor is located below the saw blade of the cutting machine, and the box board stop switch sensor is located at the output end of the second roller conveyor; The box board tail detection sensor is linked to the saw blade, the second roller and the second conveyor belt through the controller; The rock wool head detection sensor is located at the output end of the first conveyor belt and above the second roller and adjacent to the box plate stop switch sensor; The box plate stop switch sensor and the rock wool head detection sensor are linked to the first conveyor belt and the second roller through the controller; It also includes a first roller conveyor installed adjacent to the second roller conveyor and conveying the box plate assembled with rock wool, wherein the box plate stop switch sensor and the rock wool head detection sensor are linked to the first conveyor belt, the second roller conveyor and the first roller conveyor through the controller; The portion of the second conveyor belt located below the saw blade is called an avoidance portion, which forms an avoidance space by arranging a roller to change the installation trajectory of the second conveyor belt. A lining plate is provided on the avoidance space, and the rock wool is cut by the cutting machine at the lining plate and sent to the first conveyor belt through the lining plate and the second conveyor belt.

2. The automatic rock wool filling device for purification board according to claim 1, characterized in that: The box plate conveying system also includes a box plate deceleration sensor, which is installed above the second roller. The box plate deceleration sensor and the box plate stop switch sensor are distributed in sequence along the box plate conveying direction.

3. The automatic rock wool filling device for purification board according to claim 2, characterized in that: The distance between the box plate deceleration sensor and the box plate stop switch sensor is 200-400mm.

4. The automatic rock wool filling device for purification board according to claim 1, characterized in that: The box board tail detection sensor is located below the saw blade and adjacent to the second roller input end side.

5. A method for automatically filling clean plate rock wool using the clean plate rock wool automatic filling device of claim 1, characterized in that: Step 1: Start the second conveyor belt and the first conveyor belt, and the rock wool is transported by the second conveyor belt and the first conveyor belt until the rock wool head detection sensor detects the rock wool and stops; The second roller conveyor is started, and the box plate is transported through the second roller conveyor until the box plate stop switch sensor detects the box plate and stops; Step 2: After the rock wool head detection sensor and the box plate stop switch sensor receive signals at the same time, the first conveyor belt starts first and drives the rock wool forward, and the rock wool head falls into the box plate; Step 3: The second roller starts and drives the box plate forward, while the first conveyor belt drives the rock wool to continue moving forward; Step 4: After the box board tail detection sensor detects the box board tail, the second roller, the first conveyor belt and the second conveyor belt all stop running, and the cutting machine is started to cut the rock wool; Step 5: After the cutting is completed, the cutting machine is restored, and the second roller and the first conveyor belt are started again until the rock wool head detection sensor detects the rock wool again; Step 6: The second roller and the first conveyor belt stop, and the box plate assembled with rock wool leaves the second roller; Then repeat steps one to six.

6. The automatic filling method of rock wool for purification board according to claim 5, characterized in that: It also includes a first roller conveyor installed adjacent to the second roller conveyor and conveying the box panels equipped with rock wool; In step 3, the second roller conveyor starts together with the first roller conveyor, both of which drive the box plate forward; In step 4, when the second roller stops, the first roller also stops; In step five, the first roller is also started again; In step six, the first conveyor belt and the second roller stop running, and the first roller continues to run to convey the box board equipped with rock wool out.

7. The automatic filling method of rock wool for purification board according to claim 5, characterized in that: After the rock wool head falls into the box plate in step 2, the first conveyor belt continues to drive the rock wool forward for 2-5 seconds, and then enters step 3.

8. The automatic filling method of rock wool for purification board according to claim 5, characterized in that: In step three, the running speed of the first conveyor belt is greater than the running speed of the second roller.

9. The automatic rock wool filling method for purification board according to claim 5, characterized in that: In step 3, the running speed of the first conveyor belt is 5%-10% greater than the running speed of the second roller.

10. The automatic rock wool filling method for purification board according to claim 5, characterized in that: The box plate conveying system also includes a box plate deceleration sensor, which is installed above the second roller. The box plate deceleration sensor and the box plate stop switch sensor are distributed in sequence along the box plate conveying direction.

11. The automatic rock wool filling method for a purification board according to claim 10, characterized in that: The distance between the box plate deceleration sensor and the box plate stop switch sensor is 200-400mm; In step one, the second roller moves the box plate forward, the box plate first touches the box plate deceleration sensor, and the running speed of the second roller decreases until the box plate stop switch sensor detects the box plate, and then stops the second roller.

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