Gypsum board edge sawing device and system

Abstract

The utility model relates to the technical field of gypsum board processing equipment, in particular to a gypsum board edge sawing device and system, which comprises a main frame body and a suspension frame arranged above the main frame body, a left sawing assembly and a right sawing assembly which can move left and right on the suspension frame are arranged on the left side and the right side of the suspension frame respectively, at least one middle sawing assembly is arranged between the left sawing assembly and the right sawing assembly, and the middle sawing assemblies are fixedly arranged on the suspension frame or can move left and right. A left side conveying line, a middle conveying line and a right side conveying line which correspond to the left side sawing assembly, the middle sawing assembly and the right side sawing assembly respectively are arranged on the main frame body, the left side conveying line and the right side conveying line can move left and right on the main frame body, and the middle conveying line is fixedly arranged on the main frame body or can move left and right; the left conveying line, the middle conveying line and the right conveying line are used for conveying gypsum boards, and the left sawing assembly, the middle sawing assembly and the right sawing assembly are used for cutting the conveyed gypsum boards.

Description

Technical Field

[0001] The utility model relates to the technical field of gypsum board processing equipment, in particular to a gypsum board edge sawing device and system. Background Art

[0002] As a new type of building material, gypsum board has the advantages of light weight, flame retardancy, earthquake resistance, thermal insulation, and aesthetics, and can regulate the humidity of the space. Therefore, it is widely used in internal partitions, wall composite panels, and ceilings of various shapes in industrial and civil buildings. It has been widely used in industrial and civil buildings, especially in high-rise buildings as non-load-bearing internal partition materials and decorative materials.

[0003] In the production process of gypsum board, it is necessary to perform end-face leveling and cutting on the dried gypsum board to ensure that there is no paper hair falling on the end face of the gypsum board and that it is flat and beautiful. However, in the prior art, the current gypsum board sawing equipment can only perform single-board trimming or single-board split trimming (dividing into two), and the cutting efficiency is low. When switching the board specifications, it is necessary to adjust the position of the saw blade in the gypsum board sawing equipment according to the specifications of the switched board. The equipment adjustment process is cumbersome, the sawing size is difficult to control, and multiple adjustments are required, which affects product quality and production efficiency. Utility Model Content

[0004] In order to solve the deficiencies in the prior art, the utility model provides a gypsum board edge sawing device and system.

[0005] To achieve the above-mentioned purpose, the technical solution of the utility model is: a gypsum board edge sawing device, comprising a main frame and a hanging frame arranged above the main frame; the left and right sides of the hanging frame are respectively provided with a left-side sawing component and a right-side sawing component that can move left and right on the hanging frame, at least one group of middle sawing components is arranged between the left-side sawing component and the right-side sawing component, and the middle sawing component is fixed or movable left and right on the hanging frame.

[0006] Furthermore, a sawing displacement sensor is disposed in at least one of the left sawing assembly, the right sawing assembly and the movable middle sawing assembly.

[0007] Furthermore, the left-side sawing assembly, the right-side sawing assembly and the middle sawing assembly all include a lifting cylinder and a saw blade controlled by the lifting cylinder.

[0008] Furthermore, the lifting cylinder is arranged in a fixed frame, and the telescopic end of the lifting cylinder is connected to a moving frame that moves up and down along the fixed frame. The moving frame is provided with a driving motor, and the driving motor drives the saw blade.

[0009] Furthermore, the fixed frame is provided with at least one first guide rail, and the movable frame is provided with a first sliding block matching with the first guide rail.

[0010] Furthermore, at least one second guide rail is provided at the connection between the suspension frame and at least one of the left sawing assembly, the right sawing assembly and the movable middle sawing assembly, and a second slider matching the second guide rail is provided in at least one of the left sawing assembly, the right sawing assembly and the movable middle sawing assembly.

[0011] Furthermore, at least one of the left sawing assembly, the right sawing assembly and the movable middle sawing assembly is provided with a first motor, a first gear is provided on the driving shaft of the first motor, and a first rack matching the first gear is provided on the suspension frame.

[0012] A gypsum board edge sawing system comprises the above-mentioned gypsum board edge sawing device, wherein the main frame is provided with a left conveyor line, a middle conveyor line and a right conveyor line corresponding to the left sawing component, the middle sawing component and the right sawing component respectively, the left conveyor line and the right conveyor line can both move left and right on the main frame, and the middle conveyor line is fixed or movable left and right on the main frame; the left conveyor line, the middle conveyor line and the right conveyor line are used for conveying gypsum boards, and the left sawing component, the middle sawing component and the right sawing component are used for cutting the conveyed gypsum boards.

[0013] Furthermore, at least one of the left conveyor line, the right conveyor line and the movable middle conveyor line is provided with a conveying displacement sensor matched with the sawing displacement sensor.

[0014] Furthermore, at least one third guide rail is provided at the connection between the main frame and at least one of the left conveyor line, the right conveyor line and the movable middle conveyor line, and a third slider matching the third guide rail is provided in at least one of the left conveyor line, the right conveyor line and the movable middle conveyor line.

[0015] Furthermore, at least one of the left conveyor line, the right conveyor line and the movable middle conveyor line is provided with a second motor, a second gear is provided on the driving shaft of the second motor, and a second rack matching the second gear is provided on the main frame.

[0016] The beneficial effects achieved by the utility model are:

[0017] 1. The utility model is provided with a plurality of groups of sawing components and conveying lines matched with the sawing components, the left sawing component and the right sawing component can move left and right on the hanging frame, and a plurality of groups of middle sawing components are fixedly or movably arranged on the hanging frame, the left conveying line and the right conveying line can move left and right on the main frame, and the middle conveying line is fixedly or movably arranged on the main frame. When the specifications of the gypsum board are changed, the left sawing component, the right sawing component and the movable middle sawing component can be moved to the appropriate position autonomously, and the left conveying line, the right conveying line and the middle conveying line corresponding to the left sawing component, the right sawing component and the movable middle sawing component will also move to the appropriate position accordingly. With the assistance of the sawing displacement sensor and the conveying displacement sensor, the saw blade and the conveying line realize closed-loop control, the automatic adjustment is safe and stable, the adjustment process is fast, the position is accurate and without deviation, and it is ensured that the sawing component is always above the corresponding conveying line, so as to realize one-key production change, improve the sawing efficiency, reduce the labor intensity when changing the specifications of the gypsum board, improve the cutting quality, and reduce the difficulty of on-site installation and debugging.

[0018] 2. The utility model is provided with a plurality of sawing components, which can cut the gypsum board into one piece at one time, and can also trim the gypsum boards on both sides at the same time, so as to ensure the quality of the gypsum board after cutting and improve the cutting efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the structure of each sawing component of the suspension frame;

[0021] Figure 3 It is a schematic diagram of the overall structure of the sawing assembly on the left;

[0022] Figure 4 yes Figure 1 The enlarged structural diagram at A in the middle;

[0023] Figure 5 yes Figure 2 Enlarged structural diagram at B in the middle.

[0024] Explanation of marks in the figure: 1. Main frame; 2. Suspension frame; 3. Left sawing assembly; 4. Middle sawing assembly; 5. Right sawing assembly; 6. Left conveyor line; 7. Middle conveyor line; 8. Right conveyor line; 101. Fixed frame; 102. Mobile frame; 103. Lifting cylinder; 104. Driving motor; 105. First motor; 106. First guide rail; 107. First slider; 108. Saw blade; 201. Second guide rail; 202. Second slider; 203. Sawing displacement sensor; 204. First gear; 205. First rack; 301. Third guide rail; 302. Third slider; 303. Conveying displacement sensor; 304. Second motor; 305. Second rack. DETAILED DESCRIPTION

[0025] In order to better understand the purpose, structure and function of the utility model, the following is a further detailed description of a gypsum board edge sawing device and system of the utility model in conjunction with the accompanying drawings.

[0026] Example 1

[0027] like Figures 1 to 5 As shown, a gypsum board edge sawing device and system comprises a main frame 1 and a hanging frame 2 arranged above one side of the main frame 1, and a left sawing assembly 3 and a right sawing assembly 5 are arranged on the left and right sides of the hanging frame 2 respectively, and the left sawing assembly 3 and the right sawing assembly 5 can move left and right on the hanging frame 2, and a group of middle sawing assemblies 4 are arranged between the left sawing assembly 3 and the right sawing assembly 5, and the middle sawing assembly 4 is fixedly arranged on the hanging frame 2. All sawing assemblies are installed on the hanging frame 2, and the relative positions of the sawing assemblies can be adjusted conveniently during the initial installation. The main frame 1 is provided with a left conveying line 6, a middle conveying line 7 and a right conveying line 8 corresponding to the left sawing assembly 3, the middle sawing assembly 4 and the right sawing assembly 5 respectively, and the left conveying line 6 and the right conveying line 8 can move left and right on the main frame 1, and the moving directions of the left conveying line 6 and the right conveying line 8 are consistent with those of the left sawing assembly 3 and the right sawing assembly 5, and the middle conveying line 7 is fixedly arranged on the main frame 1, and the position of the middle conveying line 7 matches the position of the middle sawing assembly 4. The left conveyor line 6, the middle conveyor line 7 and the right conveyor line 8 are used to convey gypsum boards, which are conveyed from back to front via the left conveyor line 6, the middle conveyor line 7 and the right conveyor line 8. The left sawing assembly 3, the middle sawing assembly 4 and the right sawing assembly 5 are used to cut the gypsum boards conveyed by the conveyor lines.

[0028] The sawing displacement sensor 203 is provided in both the left sawing assembly 3 and the right sawing assembly 5, and the conveying displacement sensor 303 matched with the sawing displacement sensor 203 is provided in both the left conveying line 6 and the right conveying line 8. When the product specifications of the gypsum board are changed, the left sawing assembly 3 and the right sawing assembly 5 can be accurately adjusted to the appropriate position according to the new gypsum board product specifications with the assistance of the sawing displacement sensor 203 and the conveying displacement sensor 303 to adapt to the new gypsum board product specifications. The adjustment process is fast, the position is accurate and there is no deviation, and it is ensured that the sawing assembly is always above the corresponding conveying line, so as to realize one-key production change, improve sawing efficiency, reduce the labor intensity when changing the gypsum board specifications, improve cutting quality, and reduce the difficulty of on-site installation and commissioning.

[0029] The left sawing assembly 3, the right sawing assembly 5 and the middle sawing assembly 4 all include a fixed seat, which is arranged on the hanging frame 2. A movable frame 102 which can move up and down along the fixed seat is arranged in the fixed frame 101, and two first guide rails 106 are symmetrically arranged at the connection between the fixed frame 101 and the movable frame 102. A first slider 107 which cooperates with the first guide rail 106 on the fixed frame 101 is arranged on the movable frame 102. A lifting cylinder 103 is arranged on the fixed frame 101, and the telescopic end of the lifting cylinder 103 is connected to the movable frame 102. The lifting cylinder 103 telescopes and controls the movable frame 102 to move up and down on the fixed frame 101. A driving motor 104 is arranged in the movable seat, and the driving motor 104 is connected to a saw blade 108 through a transmission belt. The rotation of the driving motor 104 drives the saw blade 108 to rotate and then cuts the gypsum board conveyed.

[0030] The fixed frame 101 in the middle sawing assembly 4 is fixedly set on the hanging frame 2, and the fixed frames 101 in the left sawing assembly 3 and the right sawing assembly 5 are movably set on the hanging frame 2. Two second guide rails 201 are set at the connection between the hanging frame 2 and the fixed frames 101 in the left sawing assembly 3 and the right sawing assembly 5. The fixed frames 101 in the left sawing assembly 3 and the right sawing assembly 5 are provided with second sliders 202 matching the second guide rails 201. The second slider 202 drives the fixed frame 101 to move left and right on the second guide rails 201. A first rack 205 is set between the upper and lower second guide rails 201. A first motor 105 is set in the fixed frame 101. A first gear 204 is set at the output end of the first motor 105. The first gear 204 is meshed with the first rack 205. The first motor 105 is started, and the first gear 204 drives the fixed frames 101 in the left sawing assembly 3 and the right sawing assembly 5 to move left and right on the hanging frame 2. A sawing displacement sensor 203 is provided below the first rack 205 and between the upper and lower second guide rails 201 . According to the transmission signal of the sawing displacement sensor 203 , the left sawing assembly 3 and the right sawing assembly 5 are adjusted to move to appropriate positions.

[0031] The middle conveyor line 7 is fixedly arranged in the middle position of the main frame 1, and the left conveyor line 6 and the right conveyor line 8 are arranged on the main frame 1 so as to be movable left and right. Two third guide rails 301 are arranged at the connection between the main frame 1 and the left conveyor line 6 and the right conveyor line 8. The two third guide rails 301 are arranged at the front and rear sides of the main frame 1 respectively. The third slider 302 matching the third guide rail 301 is arranged at the bottom of the left conveyor line 6 and the right conveyor line 8. A second rack 305 is arranged between the two third guide rails 301. A second motor 304 is arranged in the left conveyor line 6 and the right conveyor line 8. A second gear is arranged at the output end of the second motor 304. The second gear is meshed with the second rack 305. The second motor 304 is started, and the second gear drives the left conveyor line 6 and the right conveyor line 8 to move left and right on the main frame 1. A conveying displacement sensor 303 is arranged on one side of the second rack 305. According to the transmission signal of the conveying displacement sensor 303, the left conveyor line 6 and the right conveyor line 8 are adjusted to move to a suitable position so that they match the size of the gypsum board to be cut.

[0032] During operation, the gypsum board enters the gypsum board edge sawing device and is transported to the bottom of the sawing assembly via the conveyor line. The lifting cylinder 103 in the sawing assembly controls the moving frame 102 to move downward to a suitable position, and the drive motor 104 is started. The drive motor 104 drives the saw blade 108 to rotate, and the saw blade 108 cuts the gypsum board into the required size.

[0033] When the sawing device changes the specifications of the gypsum board product, the staff only needs to input the new gypsum board product size into the sawing device, and the left sawing component 3 and the right sawing component 5 in the sawing device are moved to the appropriate position along the second guide rail 201 under the control of the first motor 105, and the left conveyor line 6 and the right conveyor line 8 are moved to the appropriate position along the third guide rail 301 under the control of the second motor 304. The sawing displacement sensor 203 and the conveying displacement sensor 303 can realize closed-loop protection to ensure that the saw blade 108 is always on the conveyor line gap and the closed-loop control is completely stable.

[0034] Example 2

[0035] A gypsum board edge sawing device and system, comprising a main frame 1 and a hanging frame 2 arranged above one side of the main frame 1, a left sawing assembly 3 and a right sawing assembly 5 are respectively arranged on the left and right sides of the hanging frame 2, the left sawing assembly 3 and the right sawing assembly 5 can move left and right on the hanging frame 2, a group of middle sawing assemblies 4 are arranged between the left sawing assembly 3 and the right sawing assembly 5, and the middle sawing assembly 4 can be arranged on the hanging frame 2 so as to be movable left and right. A left conveying line 6, a middle conveying line 7 and a right conveying line 8 corresponding to the left sawing assembly 3, the middle sawing assembly 4 and the right sawing assembly 5 are respectively arranged on the main frame 1, the middle conveying line 7 can move left and right on the main frame 1, and the moving direction of the middle conveying line 7 is consistent with the moving direction of the middle sawing assembly 4.

[0036] The fixed frame 101 in the middle sawing assembly 4 is movably arranged on the hanging frame 2, and three second guide rails 201 are arranged at the connection between the hanging frame 2 and the fixed frame 101 in the middle sawing assembly 4. The fixed frame 101 in the middle sawing assembly 4 is provided with a second slider 202 matching the second guide rail 201, and the second slider 202 drives the fixed frame 101 to move left and right on the second guide rail 201, wherein a first rack 205 is arranged between two adjacent second guide rails 201, and a first motor 105 is arranged in the fixed frame 101, and a first gear 204 is arranged at the output end of the first motor 105, and the first gear 204 is meshed with the first rack 205. When the first motor 105 is started, the first gear 204 drives the fixed frame 101 in the middle sawing assembly 4 to move left and right on the hanging frame 2. A sawing displacement sensor 203 is arranged below the first rack 205, and the middle sawing assembly 4 is adjusted to move to a suitable position according to the transmission signal of the sawing displacement sensor 203.

[0037] The middle conveyor line 7 is arranged on the main frame 1 so as to be movable left and right. Two third guide rails 301 are arranged at the connection between the main frame 1 and the middle conveyor line 7. The two third guide rails 301 are arranged on the front and rear sides of the main frame 1 respectively. A third slider 302 matching the third guide rail 301 is arranged at the bottom of the middle conveyor line 7. A second rack 305 is arranged between the two third guide rails 301. A second motor 304 is arranged inside the middle conveyor line 7. A second gear is arranged at the output end of the second motor 304. The second gear is meshed with the second rack 305. The second motor 304 is started, and the second gear drives the middle conveyor line 7 to move left and right on the main frame 1. A conveying displacement sensor 303 is arranged on one side of the second rack 305. According to the transmission signal of the conveying displacement sensor 303, the middle conveyor line 7 is adjusted to move to a suitable position so that it matches the size of the gypsum board to be cut.

[0038] The other structures are the same as those in Example 1 and will not be described again.

[0039] Example 3

[0040] A gypsum board edge sawing device and system, comprising a main frame 1 and a hanging frame 2 arranged above one side of the main frame 1, a left sawing assembly 3 and a right sawing assembly 5 are arranged on the left and right sides of the hanging frame 2 respectively, the left sawing assembly 3 and the right sawing assembly 5 can move left and right on the hanging frame 2, two groups of middle sawing assemblies 4 are arranged between the left sawing assembly 3 and the right sawing assembly 5, and the middle sawing assembly 4 can be arranged on the hanging frame 2 so as to be movable left and right. A left conveying line 6, a middle conveying line 7 and a right conveying line 8 corresponding to the left sawing assembly 3, the middle sawing assembly 4 and the right sawing assembly 5 are arranged on the main frame 1, the middle conveying line 7 can move left and right on the main frame 1, and the moving direction of the middle conveying line 7 is consistent with the moving direction of the middle sawing assembly 4.

[0041] The fixed frame 101 in the middle sawing assembly 4 is movably arranged on the hanging frame 2, and a second guide rail 201 is arranged at the connection between the hanging frame 2 and the fixed frame 101 in the middle sawing assembly 4. A second slider 202 matching the second guide rail 201 is arranged on the fixed frame 101 in the middle sawing assembly 4, and the second slider 202 drives the fixed frame 101 to move left and right on the second guide rail 201. A first rack 205 is arranged on one side of the second guide rail 201, and a first motor 105 is arranged in the fixed frame 101. A first gear 204 is arranged at the output end of the first motor 105, and the first gear 204 is meshed with the first rack 205. When the first motor 105 is started, the first gear 204 drives the fixed frame 101 in the middle sawing assembly 4 to move left and right on the hanging frame 2. A sawing displacement sensor 203 is arranged below the first rack 205, and the middle sawing assembly 4 is adjusted to move to a suitable position according to the transmission signal of the sawing displacement sensor 203.

[0042] The middle conveyor line 7 is arranged on the main frame 1 so as to be movable left and right. Two third guide rails 301 are arranged at the connection between the main frame 1 and the middle conveyor line 7. The two third guide rails 301 are arranged on the front and rear sides of the main frame 1 respectively. A third slider 302 matching the third guide rail 301 is arranged at the bottom of the middle conveyor line 7. A second rack 305 is arranged between the two third guide rails 301. A second motor 304 is arranged inside the middle conveyor line 7. A second gear is arranged at the output end of the second motor 304. The second gear is meshed with the second rack 305. The second motor 304 is started, and the second gear drives the middle conveyor line 7 to move left and right on the main frame 1. A conveying displacement sensor 303 is arranged on one side of the second rack 305. According to the transmission signal of the conveying displacement sensor 303, the middle conveyor line 7 is adjusted to move to a suitable position so that it matches the size of the gypsum board to be cut.

[0043] The two sets of middle sawing components 4, the left sawing component 3 and the right sawing component 5 can all move left and right on the hanging frame 2, and the conveying line matched with the sawing components can also move left and right. The setting of four sets of sawing components can cut the gypsum board into three parts, and can also trim the gypsum boards on both sides at the same time, so as to ensure the quality of the gypsum board after cutting and improve the cutting efficiency.

[0044] The other structures are the same as those in Example 1 and will not be described again.

[0045] Example 4

[0046] A gypsum board edge sawing device and system, comprising a main frame 1 and a hanging frame 2 arranged above one side of the main frame 1, a left sawing assembly 3 and a right sawing assembly 5 are arranged on the left and right sides of the hanging frame 2 respectively, the left sawing assembly 3 and the right sawing assembly 5 can move left and right on the hanging frame 2, three groups of middle sawing assemblies 4 are arranged between the left sawing assembly 3 and the right sawing assembly 5, the middle middle sawing assembly 4 is fixedly arranged on the hanging frame 2, and the middle sawing assemblies 4 on the left and right sides of the middle middle sawing assembly 4 can be arranged on the hanging frame 2 movably left and right. The main frame 1 is provided with a left conveying line 6, a middle conveying line 7 and a right conveying line 8 corresponding to the left sawing assembly 3, the middle sawing assembly 4 and the right sawing assembly 5 respectively, and three middle conveying lines 7 are also arranged, the middle middle conveying line 7 is fixedly arranged on the main frame 1, and the middle conveying lines 7 on the left and right sides of the middle middle conveying line 7 can be arranged on the main frame 1 movably left and right. The sawing displacement sensors 203 are arranged in the middle sawing assemblies 4 on the left and right sides, and the conveying displacement sensors 303 are arranged in the middle conveying lines 7 on the left and right sides.

[0047] The moving principle of the middle sawing assembly 4 on the left and right sides is consistent with the moving principle of the left sawing assembly 3 and the right sawing assembly 5, and the moving principle of the middle conveying line 7 on the left and right sides is consistent with the moving principle of the left conveying line 6 and the right conveying line 8.

[0048] The five sets of sawing components can cut the gypsum board into four parts and trim the gypsum board on both sides at the same time, ensuring the quality of the gypsum board after cutting and improving cutting efficiency.

[0049] The other structures are the same as those in Example 1 and will not be described again.

[0050] The "front" and "rear" mentioned above are defined according to the direction of gypsum board transportation. The gypsum board transportation direction is defined as the "front" for the convenience of describing the embodiments of the present invention only, and does not impose any limitation on the substantive content of the embodiments.

[0051] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A gypsum board edge sawing device, characterized in that: The invention comprises a main frame (1) and a suspension frame (2) arranged above the main frame (1); a left sawing assembly (3) and a right sawing assembly (5) which can be moved left and right on the suspension frame (2) are respectively arranged on the left and right sides of the suspension frame (2); at least one group of middle sawing assemblies (4) is arranged between the left sawing assembly (3) and the right sawing assembly (5); the middle sawing assembly (4) is fixed or movable left and right on the suspension frame (2).

2. A gypsum board edge sawing device according to claim 1, characterized in that: At least one of the left sawing assembly (3), the right sawing assembly (5) and the movable middle sawing assembly (4) is provided with a sawing displacement sensor (203).

3. A gypsum board edge sawing device according to claim 1, characterized in that: The left-side sawing assembly (3), the right-side sawing assembly (5) and the middle sawing assembly (4) all comprise a lifting cylinder (103) and a saw blade (108) controlled by the lifting cylinder (103).

4. A gypsum board edge sawing device according to claim 3, characterized in that: The lifting cylinder (103) is arranged in a fixed frame (101); the telescopic end of the lifting cylinder (103) is connected to a movable frame (102) that moves up and down along the fixed frame (101); a driving motor (104) is arranged on the movable frame (102); and the driving motor (104) drives the saw blade (108).

5. A gypsum board edge sawing device according to claim 4, characterized in that: At least one first guide rail (106) is provided on the fixed frame (101), and a first sliding block (107) matching the first guide rail (106) is provided on the movable frame (102).

6. A gypsum board edge sawing device according to claim 1, characterized in that: At least one second guide rail (201) is provided at a connection point between the suspension frame (2) and at least one of the left-side sawing assembly (3), the right-side sawing assembly (5) and the movable middle sawing assembly (4); and a second sliding block (202) matching the second guide rail (201) is provided in at least one of the left-side sawing assembly (3), the right-side sawing assembly (5) and the movable middle sawing assembly (4).

7. A gypsum board edge sawing device according to claim 6, characterized in that: A first motor (105) is arranged in at least one of the left sawing assembly (3), the right sawing assembly (5) and the movable middle sawing assembly (4); a first gear (204) is arranged on a driving shaft of the first motor (105); and a first rack (205) matching the first gear (204) is arranged on the suspension frame (2).

8. A gypsum board edge sawing system, comprising the gypsum board edge sawing device according to any one of claims 1 to 7, characterized in that: The main frame (1) is provided with a left conveyor line (6), a middle conveyor line (7) and a right conveyor line (8) which correspond to the left sawing assembly (3), the middle sawing assembly (4) and the right sawing assembly (5) respectively; the left conveyor line (6) and the right conveyor line (8) can both move left and right on the main frame (1); the middle conveyor line (7) is fixed or movable left and right on the main frame (1); the left conveyor line (6), the middle conveyor line (7) and the right conveyor line (8) are used for conveying gypsum boards; the left sawing assembly (3), the middle sawing assembly (4) and the right sawing assembly (5) are used for cutting the conveyed gypsum boards.

9. A gypsum board edge sawing system according to claim 8, characterized in that: At least one of the left conveyor line (6), the right conveyor line (8) and the movable middle conveyor line (7) is provided with a conveying displacement sensor (303) that matches the sawing displacement sensor (203).

10. The gypsum board edge sawing system according to claim 8, characterized in that: At least one third guide rail (301) is provided at the connection between the main frame (1) and at least one of the left conveyor line (6), the right conveyor line (8) and the movable middle conveyor line (7); and a third sliding block (302) matching the third guide rail (301) is provided in at least one of the left conveyor line (6), the right conveyor line (8) and the movable middle conveyor line (7).

11. A gypsum board edge sawing system according to claim 10, characterized in that: At least one of the left conveyor line (6), the right conveyor line (8) and the movable middle conveyor line (7) A second motor (304) is disposed inside the housing, and a second gear is disposed on a driving shaft of the second motor (304). The main frame (1) is provided with a second rack (305) matching the second gear.

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