Cutting device and method for inorganic plate production

Abstract

The invention discloses a cutting device and method for inorganic plate production, and relates to the technical field of inorganic plate machining and plate cutting. A cutting cutter head is arranged in a conveying frame, and three photoelectric sensors are arranged to cooperatively work with a first pressing mechanism and a second pressing mechanism; when the front end of the inorganic plate moves below the first photoelectric sensor, the pressing pieces on the upper side and the lower side of the conveying frame get close to each other, and when the front end moves below the second photoelectric sensor, the pressing pieces extrude the inorganic plate mutually for limiting, the stability of the cutting position is guaranteed, and burrs generated during front end cutting are reduced; when the tail end of the inorganic plate moves below the first photoelectric sensor, the upper and lower pressing wheels get close, and the tail end moves below the second photoelectric sensor, the second pressing mechanism presses the inorganic plate, so that the stability of the cutting position of the tail end of the inorganic plate is ensured, and the problems of tail end burrs, edge breakage and the like are reduced.

Description

Technical Field

[0001] The invention relates to the technical field of inorganic plate processing and plate cutting, and in particular to a cutting device and method for producing inorganic plates. Background Art

[0002] Inorganic board is a board with inorganic materials as the main component, which usually has the characteristics of fireproof and environmental protection. Inorganic board is an inorganic fireproof decorative board made of asbestos-free reinforced calcium silicate board or fiber cement board. This board has good fireproof performance and environmental protection after special processing. In addition, inorganic board can also be an inorganic insulation board, which is mainly composed of inorganic materials such as hydrophobic perlite and aluminum silicate fiberboard. It has good fire resistance and thermal insulation effect, and is suitable for the insulation of building exterior walls and roofs. Inorganic board has a wide range of applications in the construction field, mainly used for exterior wall insulation, roof insulation and as fireproof decorative materials. Due to its excellent fireproof performance and environmental protection characteristics, inorganic board has gradually replaced traditional organic insulation materials in the construction industry and become one of the mainstream insulation materials.

[0003] In the actual production process, the cutting device usually uses a cutting disc to cut the plate. The cutting disc starts to cut into the plate from one end and cuts out from the other end of the plate to complete the cutting of the plate. However, the cutting disc is prone to produce a large number of burrs or even broken edges at the cutting-in and cutting-out ends of the plate during cutting, which requires professional grinding later, which is time-consuming and labor-intensive.

[0004] In order to solve the problem of a large number of burrs generated when the plate is cut out, the existing processing method uses upper and lower cutting discs to cut the plate together. When cutting the plate, the lower cutting disc is used to first cut a first cutting groove on the lower surface of the plate, and then the upper cutting disc is used to cut a second cutting groove on the same horizontal plane as the first pre-groove. After cutting the second cutting groove, the lower cutting disc continues to cut the plate along the depth direction of the second cutting groove until the plate is completely cut off.

[0005] Although this method reduces the burrs at the cutting-in and cutting-out ends of the plate, it takes a long time to cut a plate. If a large plate needs to be cut into several small plates during the cutting process, this method is less efficient.

[0006] When cutting inorganic plates, there is a large impact force when the cutting disc contacts the cutting end and the cutting end of the plate. This impact force aggravates the instability of the cutting position and easily leads to an increase in burrs and chipped edges at the cutting end and the cutting end.

[0007] In summary, when cutting inorganic sheets, how to effectively reduce burrs and broken edges generated at the cutting port and ensure the cutting efficiency of the inorganic sheets becomes a problem that needs to be solved. Summary of the invention

[0008] In order to solve the above technical problems, the present invention provides a cutting device for producing inorganic boards, thereby effectively reducing burrs and broken edges generated at the cutting port and ensuring the cutting efficiency of the inorganic boards.

[0009] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a cutting device for inorganic board production, comprising a plate, a conveyor frame and a support frame fixedly installed on the surface of the conveyor frame, a plurality of groups of conveying rollers are rotatably installed inside the conveyor frame, a cutting blade is arranged inside the conveyor frame, one end of the plate is the front end of the plate, and the other end of the plate is the tail end of the plate. Support frames are arranged on the upper and lower surfaces of the conveyor frame, and a group of first pressing mechanisms and a group of second pressing mechanisms are fixedly arranged inside the two support frames. Wherein, based on the conveying direction of the plate: the first pressing mechanism is located on the upstream side of the second pressing mechanism.

[0010] The first pressing mechanism and the second pressing mechanism both include a fixed box fixedly connected to the support frame, a driving assembly movably extending into the fixed box, a pressing member located below the fixed box and elastically connected to the driving assembly, and a plurality of contact rollers rotatably arranged at the bottom of the pressing member. The cutting blade passes through the gap between the two pressing members in the same group.

[0011] The first pressing mechanism on the upper side of the conveyor frame is provided with a first photoelectric sensor and a second photoelectric sensor for vertically downward detection at the bottom, and the third photoelectric sensor for vertically downward detection is provided at the bottom of the second pressing mechanism on the upper side of the conveyor frame. Wherein, based on the conveying direction of the plate: the first photoelectric sensor is located upstream of the second photoelectric sensor, the cutting contact position of the cutting blade disc and the plate is located downstream of the second photoelectric sensor, and the cutting contact position of the cutting blade disc and the plate is located upstream of the third photoelectric sensor.

[0012] As a preferred technical solution of the present invention, the driving assembly includes a fixed telescopic driver, and the output end of the telescopic driver is provided with a telescopic rod movably inserted into the fixed box. The driving assembly also includes a push plate slidably installed in the fixed box, and the side end of the telescopic rod is fixedly connected to the push plate. A moving plate elastically connected to the push plate is slidably provided inside the fixed box, and one end of the moving plate is fixedly connected to the pressing member.

[0013] As a preferred technical solution of the present invention, the driving assembly includes a protective shell fixedly connected to the support frame, and the telescopic drive is fixedly installed inside the protective shell.

[0014] As a preferred technical solution of the present invention, a plurality of damping members are fixedly arranged between the push plate and the movable plate.

[0015] As a preferred technical solution of the present invention, the conveying frame is provided with a first connecting groove, the cutting disc is installed at the position of the first connecting groove, and a driving motor for driving the cutting disc to rotate is arranged on the side of the conveying frame.

[0016] As a preferred technical solution of the present invention, the conveying frame is provided with a group of second communicating grooves, and the second communicating grooves are aligned and matched with the pressing pieces of the second pressing mechanism.

[0017] The present invention provides a method for using a cutting device for producing an inorganic board, comprising the following steps:

[0018] S1. Place the plate on the conveyor rack, convey it, and continue to push the plate. The plate first moves to the bottom of the first pressing mechanism.

[0019] S2. When the first photoelectric sensor detects that the front end of the plate moves below it, the system controls the first pressing mechanism to start working, and the pressing members located on the upper and lower sides of the conveying frame begin to approach each other.

[0020] S3. The plate continues to move, and when the second photoelectric sensor detects that the front end of the plate moves below it, the system controls the pressing parts of the first pressing mechanism on the upper and lower sides to press the plate against each other, thereby forming a rolling clamp for the plate.

[0021] S4. Then, the plate continues to move forward. During the movement, the cutting blade first contacts the front end of the plate and starts cutting the plate.

[0022] S5. When the third photoelectric sensor detects that the front end of the plate moves below it, the system controls the first pressing mechanism to work, driving the pressing members located on the upper and lower sides of the conveyor frame to move away from each other, thereby releasing the restriction on the plate.

[0023] S6. The plate continues to move. When the first photoelectric sensor detects that the tail end of the plate moves to directly below it, the system controls the second pressing mechanism to operate, and the pressing members located on the upper and lower sides of the conveyor frame approach each other.

[0024] S7. When the second photoelectric sensor detects that the tail end of the plate moves to directly below it, the system controls the pressing parts of the second pressing mechanism on the upper and lower sides to press the plate against each other to complete the pressing and clamping of the plate.

[0025] S8. The plate continues to move, and when the third photoelectric sensor detects that the tail end of the plate moves to directly below it, the system controls the pressing parts of the second pressing mechanism on the upper and lower sides to move away from each other, thereby releasing the restriction on the plate.

[0026] The present invention provides a cutting device and method for producing inorganic boards, which have the following beneficial effects:

[0027] 1. The present invention sets three photoelectric sensors to work in coordination with the first and second pressing mechanisms. When the front end of the inorganic sheet moves below the first photoelectric sensor, the pressing members on the upper and lower sides of the conveyor frame approach each other. When the front end moves below the second photoelectric sensor, the pressing members press the inorganic sheet against each other to limit the position, thereby ensuring the stability of the cutting position and reducing burrs during front end cutting.

[0028] 2. In the present invention, when the tail end of the inorganic sheet moves below the first photoelectric sensor, the upper and lower pressing wheels approach each other, and when the tail end moves below the second photoelectric sensor, the second pressing mechanism presses the inorganic sheet to ensure the stability of the cutting position of the tail end of the inorganic sheet, reduce burrs at the tail end, and no pre-cutting is required.

[0029] 3. In the present invention, a pressing member with a contact roller is used to perform rolling contact clamping on the inorganic sheet, which reduces the movement resistance of the inorganic sheet while ensuring the clamping force, and the continuous clamping range is shorter, thereby reducing the energy consumption of the inorganic sheet conveying mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0031] Figure 2 It is a schematic diagram of the cross-sectional structure of the driving component of the present invention.

[0032] Figure 3 It is a schematic diagram of the exploded structure of the conveying frame and the supporting frame of the present invention.

[0033] Figure 4 It is a structural schematic diagram of the pressing member after the front end of the plate passes through the first photoelectric sensor of the present invention.

[0034] Figure 5 It is a structural schematic diagram of the pressing member after the front end of the plate passes through the second photoelectric sensor of the present invention.

[0035] Figure 6 It is a structural schematic diagram of the pressing member after the front end of the plate passes through the third photoelectric sensor of the present invention.

[0036] Figure 7 It is a schematic structural diagram of the pressing member after the tail end of the plate passes through the first photoelectric sensor of the present invention.

[0037] Figure 8 It is a structural schematic diagram of the pressing member after the tail end of the plate passes through the second photoelectric sensor of the present invention.

[0038] In the figure: 1. plate; 101. front end of plate; 102. rear end of plate; 2. conveying frame; 201. first connecting groove; 202. second connecting groove; 3. conveying roller; 4. first pressing mechanism; 5. second pressing mechanism; 6. driving assembly; 601. protective shell; 602. telescopic rod; 603. telescopic driver; 604. push plate; 7. pressing member; 8. damping member; 9. movable plate; 10. fixed box; 11. contact roller; 12. first photoelectric sensor; 13. second photoelectric sensor; 14. third photoelectric sensor; 15. cutting disc; 16. supporting frame. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0040] Embodiment 1: The present invention designs a cutting device for producing inorganic boards. The main components of the cutting device are as follows:

[0041] Combination Figure 1 , Figure 2 , plate 1, a conveying frame 2 and a support frame 16 fixedly installed on the surface of the conveying frame 2, a plurality of conveying rollers 3 are rotatably installed inside the conveying frame 2, a cutting disc 15 is arranged inside the conveying frame 2, the conveying frame 2 is provided with a first connecting groove 201, the cutting disc 15 is installed at the position of the first connecting groove 201, a driving motor for driving the cutting disc 15 to rotate is arranged on the side of the conveying frame 2, one end of the plate 1 is the front end 101 of the plate, and the other end of the plate 1 is the tail end 102 of the plate.

[0042] Combination Figure 1 , Figure 2 , Figure 3, support frames 16 are provided on the upper and lower surfaces of the conveying frame 2, and a group of first pressing mechanisms 4 and a group of second pressing mechanisms 5 are fixedly provided inside the two support frames 16, wherein, based on the conveying direction of the plate 1: the first pressing mechanism 4 is located on the upstream side of the second pressing mechanism 5, and the first pressing mechanism 4 and the second pressing mechanism 5 both include a fixed box 10 fixedly connected to the support frame 16, and a driving assembly 6 is provided inside the fixed box 10, and a pressing member 7 is provided at one end of the driving assembly 6, and the pressing member 7 is arranged below the fixed box 7, and a plurality of contact rollers 11 are rotatably provided on the bottom side of the pressing member 7, and the conveying frame 2 is provided with a group of second communicating grooves 202, and the second communicating grooves 202 are aligned with the pressing member 7 of the second pressing mechanism 5, wherein the cutting blade 15 passes through the same The gap between the two pressing members 7 of the group, the driving component 6 includes a telescopic driver 603, and the output end of the telescopic driver 603 is connected to the telescopic rod 602, the telescopic rod 602 is movably inserted into the fixed box 10, wherein the driving component 6 also includes a push plate 604, the push plate 604 is slidably installed in the fixed box 10, and the side end of the telescopic rod 602 is fixedly connected to the push plate 604, one end of the push plate 604 is elastically connected to a moving plate 9, the moving plate 9 is slidably set in the fixed box 10, one end of the moving plate 9 is fixedly connected to the pressing member 7, the driving component 6 includes a protective shell 601, the protective shell 601 is fixedly connected to the support frame 16, the telescopic driver 603 is fixedly installed in the protective shell 601, and a plurality of damping members 8 are fixedly set between the push plate 604 and the moving plate 9.

[0043] Combination Figure 3 A first photoelectric sensor 12 and a second photoelectric sensor 13 for vertically downward detection are arranged at the bottom of the first pressing mechanism 4 on the upper side of the conveying frame 2, and a third photoelectric sensor 14 for vertically downward detection is arranged at the bottom of the second pressing mechanism 5 on the upper side of the conveying frame 2, wherein, based on the conveying direction of the plate 1: the first photoelectric sensor 12 is located upstream of the second photoelectric sensor 13, the cutting contact position of the cutting blade 15 and the plate 1 is located downstream of the second photoelectric sensor 13, and the cutting contact position of the cutting blade 15 and the plate 1 is located upstream of the third photoelectric sensor 14.

[0044] Combination Figure 4 When the front end 101 of the plate moves below the first photoelectric sensor 12, the system controls the first pressing mechanism 4 to work, and controls the pressing members 7 on the upper and lower sides of the conveying frame 2 to approach each other.

[0045] Combination Figure 5 When the front end 101 of the plate moves below the second photoelectric sensor 13, the system will control the pressing members 7 on the upper and lower sides of the conveyor frame 2 to squeeze the plate 1, limit the position of the plate 1, prevent the plate 1 from moving during cutting, and avoid burrs during cutting.

[0046] Combination Figure 6When the front end 101 of the plate moves below the third photoelectric sensor 14 , the system will control the pressing members 7 on the upper and lower sides of the conveying frame 2 to move away from each other, thereby releasing the restriction on the plate 1 .

[0047] Combination Figure 7 When the tail end 102 of the plate moves below the first photoelectric sensor 12, the system controls the second pressing mechanism 5 to work, and controls the pressing members 7 on the upper and lower sides of the conveying frame 2 to approach each other.

[0048] Combination Figure 8 When the tail end 102 of the plate moves below the second photoelectric sensor 12, the system will control the pressing members 7 on the upper and lower sides of the conveyor frame 2 to press the plate 1 against each other to prevent the plate 1 from moving during cutting and to avoid burrs during cutting.

[0049] Embodiment 2: In the present invention, the pre-installation matching process between the components is as follows:

[0050] 1. Installation of conveyor frame and conveyor rollers: Determine the installation position of the conveyor frame 2 to ensure that it is placed horizontally and the installation foundation is stable. Install multiple sets of conveyor rollers 3 at the predetermined positions inside the conveyor frame 2, and realize the rotation connection between the conveyor rollers 3 and the conveyor frame 2 through connecting parts such as bearings or sleeves to ensure that the conveyor rollers 3 can rotate freely and flexibly, providing basic conditions for the smooth transportation of inorganic plates.

[0051] ㈡ Installation of cutting disc and driving motor: According to the cutting requirements, the first connecting groove 201 is precisely opened on the conveying frame 2, and the cutting disc 15 is installed in the first connecting groove 201, so that the blade of the cutting disc 15 can cut the plate at a suitable height. The driving motor is installed beside the conveying frame 2, and the power output shaft of the driving motor is connected to the rotating shaft of the cutting disc 15 by belt drive, chain drive or coupling connection (selected according to the actual design) to ensure that the driving motor can stably drive the cutting disc 15 to rotate, and adjust the speed and rotation direction of the cutting disc 15 to meet the cutting process requirements.

[0052] ㈢Support frame installation: The support frame 16 is fixedly installed on the upper surface and the lower surface of the conveying frame 2 respectively, and reliable connection methods such as welding, bolt connection or riveting are used (select according to actual conditions) to ensure that the support frame 16 is firmly connected to the conveying frame 2 and can withstand the weight of the subsequently installed first pressing mechanism 4, the second pressing mechanism 5 and other components as well as various forces generated during the working process to ensure the structural stability of the entire device.

[0053] ㈣ Installation of the first pressing mechanism and the second pressing mechanism: For each support frame 16, the first pressing mechanism 4 is installed at the upstream position of the second pressing mechanism 5 according to the conveying direction of the inorganic plate.

[0054] ㈤Install the drive assembly 6: First, accurately install the telescopic driver 603 inside the protective shell 601 to ensure that the installation position of the telescopic driver 603 is stable and its output direction is correct. Reliably connect one end of the telescopic rod 602 to the output end of the telescopic driver 603 so that the telescopic rod 602 can smoothly telescope under the drive of the telescopic driver 603, and then flexibly insert the other end of the telescopic rod 602 into the fixed box 10. Firmly fix the side end of the telescopic rod 602 to the push plate 604 in advance, and then slide the push plate 604 inside the fixed box 10. Evenly fix and install multiple damping members 8 between the push plate 604 and the moving plate 9, and then slide the moving plate 9 smoothly inside the fixed box 10, and finally firmly connect one end of the moving plate 9 to the pressing member 7. Firmly fix the protective shell 601 and the fixed box 10 on the support frame 16.

[0055] ㈥Install the pressing member 7: Install the pressing member 7 below the fixed box 10, install a set of sliding rods on the pressing member 7, and install the sliding rods and the movable plate 9 together, so that it can realize elastic matching connection with the driving assembly 6 through elastic elements (such as springs, etc.), and ensure that the pressing member 7 can have a certain elastic deformation range when subjected to the force of the driving assembly 6, so as to meet the clamping requirements of plates of different thicknesses. A plurality of contact rollers 11 are rotatably arranged on the bottom side of the pressing member 7 through connecting members such as pins or shaft seats, so as to ensure that the contact rollers 11 can rotate flexibly and reduce the friction resistance with the surface of the plate. At the same time, the position of the cutting blade 15 should be carefully adjusted so that it can accurately pass through the gap between the two pressing members 7 of the same group, and ensure that the second connecting groove 202 opened on the conveying frame 2 is accurately aligned with the pressing member 7 of the second pressing mechanism 5, so as to ensure that the pressing member 7 can smoothly move at the corresponding position during the working process.

[0056] ㈦ Photoelectric sensor installation: At the bottom of the first pressing mechanism 4 on the upper side of the conveyor frame 2, use a bracket or a clamp or other mounting components to vertically install the first photoelectric sensor 12 and the second photoelectric sensor 13 downward to ensure that their detection direction is vertically downward, and accurately adjust their positions so that the first photoelectric sensor 12 is located upstream of the second photoelectric sensor 13, and the cutting contact position of the cutting disc 15 and the plate 1 is located downstream of the second photoelectric sensor 13. Similarly, accurately install the third photoelectric sensor 14 at the bottom of the second pressing mechanism 5 on the upper side of the conveyor frame 2, so that its detection direction is downward, and the cutting contact position of the cutting disc 15 and the plate 1 is located upstream of the third photoelectric sensor 14, to ensure that the photoelectric sensor can accurately detect the position of the front and rear ends of the plate, thereby providing accurate signal feedback for the control of the entire cutting process.

[0057] Embodiment 3: The method for using the inorganic plate cutting device of the present invention, the specific working principle is as follows:

[0058] First, before starting the device, check whether all components are installed firmly, whether electrical equipment such as photoelectric sensors and telescopic drives are working properly, whether the conveying rollers rotate smoothly, whether the cutting disc can rotate normally, etc.

[0059] In the second step, the inorganic sheet 1 to be cut is stably placed on the conveying roller 3 on the conveying frame 2, and the driving device (such as a motor, etc.) of the conveying roller 3 is started to convey the sheet 1 toward the cutting disc 15.

[0060] In the third step, when the front end of the plate 1 moves to below the first photoelectric sensor 12, the first photoelectric sensor 12 sends the detected signal to the control system. The control system controls the telescopic driver 603 of the first pressing mechanism 4 to work, so that the telescopic rod 602 extends and pushes the push plate 604 to slide in the fixed box 10. The push plate 604 drives the movable plate 9 to move through the damping member 8, so that the pressing members 7 located on the upper and lower sides of the conveying frame 2 are close to each other, but at this time, the plate 1 is not squeezed and clamped.

[0061] In the fourth step, as the plate 1 continues to move forward, when the front end of the plate 1 moves below the second photoelectric sensor 13, the second photoelectric sensor 13 transmits a signal to the control system, and the control system controls the telescopic driver 603 of the first pressing mechanism 4 again, and further adjusts the extension length of the telescopic rod 602, so that the pressing parts 7 on the upper and lower sides squeeze the plate 1 against each other. At this time, the contact roller 11 contacts and rolls with the surface of the plate 1, forming a rolling clamp for the plate 1, which not only ensures the effective fixation of the plate 1 to prevent it from moving during cutting, but also reduces the resistance to the movement of the plate 1.

[0062] In the fifth step, when the plate 1 is stably clamped by the first pressing mechanism 4, as the plate 1 continues to move forward, the cutting blade 15 begins to contact the front end of the plate 1 and starts to cut the front side end of the plate 1 driven by the driving motor.

[0063] In the sixth step, when the front end of the plate 1 moves below the third photoelectric sensor 14, the third photoelectric sensor 14 feeds back a signal to the control system. The control system controls the telescopic driver 603 of the first pressing mechanism 4 to reverse, retract the telescopic rod 602, and drive the push plate 604 to slide in the opposite direction. The pressing members 7 on the upper and lower sides are moved away from each other through the damping member 8 and the movable plate 9, thereby releasing the restriction on the front end of the plate 1. At this time, the plate 1 continues to move forward, and the cut part of the front end leaves the cutting area.

[0064] In the seventh step, when the tail end of the plate 1 moves below the first photoelectric sensor 12, the first photoelectric sensor 12 detects the signal again and transmits it to the control system. The control system controls the telescopic driver 603 of the second pressing mechanism 5 to work, so that the upper and lower pressing parts 7 of the second pressing mechanism 5 begin to approach each other, ready to clamp the tail end of the plate 1.

[0065] In the eighth step, when the tail end of the plate 1 moves below the second photoelectric sensor 13, the second photoelectric sensor 13 sends a signal, and the control system controls the telescopic driver 603 of the second pressing mechanism 5 to further move, so that the pressing parts 7 on the upper and lower sides squeeze the tail end of the plate 1 against each other to prevent the tail end of the inorganic plate from moving during cutting, thereby ensuring the stability of the cutting of the tail end of the inorganic plate.

[0066] In the ninth step, the plate 1 continues to move, and the cutting disc 15 cuts the tail end of the plate 1. When the tail end moves below the third photoelectric sensor 14, the third photoelectric sensor 14 transmits a signal to the control system. The control system controls the telescopic driver 603 of the second pressing mechanism 5 to reverse, so that the pressing parts 7 on the upper and lower sides move away from each other, thereby releasing the restriction on the tail end of the plate 1. At this point, the cutting process of a plate is completed.

[0067] Finally, repeat the above steps to perform continuous cutting operations on multiple inorganic plates. During the entire cutting process, the conveying speed of the conveying roller 3, the cutting speed of the cutting disc 15, and the telescopic stroke of the telescopic driver 603 can be adjusted according to the actual cutting requirements to achieve the best cutting effect and production efficiency. At the same time, regularly maintain the device, check the wear of the cutting disc 15, and replace the severely worn tools in time. Check the sensitivity of the photoelectric sensor to ensure its accurate detection. Lubricate the moving parts such as the telescopic driver 603 to ensure its smooth movement, etc., to extend the service life of the device and ensure the stable operation of the device.

[0068] 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 cutting device for producing inorganic boards, comprising a board (1), a conveying frame (2) and a support frame (16) fixedly mounted on the surface of the conveying frame (2), wherein a plurality of conveying rollers (3) are rotatably mounted inside the conveying frame (2), a cutting blade (15) is arranged inside the conveying frame (2), one end of the board (1) is a board front end (101), and the other end of the board (1) is a board rear end (102), characterized in that: The upper surface and the lower surface of the conveying frame (2) are both provided with a support frame (16), and a group of first pressing mechanisms (4) and a group of second pressing mechanisms (5) are fixedly provided inside the two support frames (16); Wherein, based on the conveying direction of the plate (1), the first pressing mechanism (4) is located on the upstream side of the second pressing mechanism (5); The first pressing mechanism (4) and the second pressing mechanism (5) both comprise a fixed box (10) fixedly connected to a support frame (16), a driving assembly (6) movably extending into the fixed box (10), a pressing member (7) located below the fixed box (10) and elastically connected to the driving assembly (6), and a plurality of contact rollers (11) rotatably arranged on the bottom side of the pressing member (7); Wherein, the cutting blade (15) passes through the gap between two pressing members (7) in the same group; A first photoelectric sensor (12) and a second photoelectric sensor (13) for vertically downward detection are arranged at the bottom of the first pressing mechanism (4) on the upper side of the conveying frame (2); and a third photoelectric sensor (14) for vertically downward detection is arranged at the bottom of the second pressing mechanism (5) on the upper side of the conveying frame (2); Wherein, based on the conveying direction of the plate (1), the first photoelectric sensor (12) is located upstream of the second photoelectric sensor (13), the cutting contact position between the cutting blade disc (15) and the plate (1) is located downstream of the second photoelectric sensor (13), and the cutting contact position between the cutting blade disc (15) and the plate (1) is located upstream of the third photoelectric sensor (14).

2. The cutting device for producing inorganic boards according to claim 1, characterized in that: The driving assembly (6) comprises a fixed-position telescopic driver (603), and an output end of the telescopic driver (603) is provided with a telescopic rod (602) that is movably inserted into a fixed box (10); The driving assembly (6) further comprises a push plate (604) slidably mounted in the fixed box (10), and a side end of the telescopic rod (602) is fixedly connected to the push plate (604); A movable plate (9) elastically connected to the push plate (604) is slidably disposed inside the fixed box (10), and one end of the movable plate (9) is fixedly connected to the pressing member (7).

3. The cutting device for producing inorganic boards according to claim 2, characterized in that: The driving assembly (6) comprises a protective shell (601) fixedly connected to the support frame (16), and the telescopic driver (603) is fixedly installed inside the protective shell (601).

4. The cutting device for producing inorganic boards according to claim 2, characterized in that: A plurality of damping members (8) are fixedly arranged between the push plate (604) and the movable plate (9).

5. The cutting device for producing inorganic boards according to claim 1, characterized in that: The conveying frame (2) is provided with a first connecting groove (201), the cutting blade disc (15) is installed at the position of the first connecting groove (201), and a driving motor for driving the cutting blade disc (15) to rotate is arranged on the side of the conveying frame (2).

6. The cutting device for producing inorganic boards according to claim 1, characterized in that: The conveying frame (2) is provided with a group of second communicating grooves (202), and the second communicating grooves (202) are aligned and matched with the pressing parts (7) of the second pressing mechanism (5).

7. A method for using a cutting device for producing inorganic boards, characterized in that: A cutting device for producing inorganic boards according to any one of claims 1 to 6, comprising the following steps: S1. Place the plate (1) on the conveyor frame (2) for conveying, and continuously push the plate (1), wherein the plate (1) first moves to below the first pressing mechanism (4); S2. When the first photoelectric sensor (12) detects that the front end (101) of the plate moves below it, the system controls the first pressing mechanism (4) to start working, and the pressing members (7) located on the upper and lower sides of the conveying frame (2) begin to approach each other; S3. The plate continues to move. When the second photoelectric sensor (13) detects that the front end (101) of the plate moves below it, the system controls the pressing members (7) of the first pressing mechanism (4) on the upper and lower sides to press the plate (1) against each other. At this time, the pressing member (7) forms a rolling clamp on the plate (1) through the contact roller (11); S4. Then, the plate (1) continues to move forward, and during the movement, the cutting blade (15) first contacts the front end (101) of the plate and starts cutting the plate (1); S5. When the third photoelectric sensor (14) detects that the front end (101) of the plate moves below it, the system controls the first pressing mechanism (4) to work, driving the pressing members (7) located on the upper and lower sides of the conveying frame (2) to move away from each other, thereby releasing the restriction on the plate (1); S6. The plate (1) continues to move. When the first photoelectric sensor (12) detects that the tail end (102) of the plate moves to the position directly below it, the system controls the second pressing mechanism (5) to operate, and the pressing members (7) located on the upper and lower sides of the conveying frame (2) move closer to each other; S7. When the second photoelectric sensor (13) detects that the tail end (102) of the plate has moved to the position directly below it, the system controls the pressing members (7) of the second pressing mechanisms (5) on the upper and lower sides to press the plate (1) against each other, thereby completing the pressing and clamping of the plate (1); S8. The plate (1) continues to move, and when the third photoelectric sensor (14) detects that the tail end (102) of the plate has moved to directly below it, the system controls the pressing parts (7) of the second pressing mechanism (5) on the upper and lower sides to move away from each other, thereby releasing the restriction on the plate (1).

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