Auxiliary limiting mechanism for GRC plate processing

Abstract

The utility model discloses a kind of supplementary limiting mechanism for GRC board processing, it is related to GRC board processing technical field, including substrate, the inside of workbench is provided with limiting device.The utility model cooperates with the use of substrate, universal wheel, workbench, limiting device, support rod, clamping assembly, control mechanism, linkage assembly, driving piece, worm, motor, supplementary moving assembly, rotating seat, roll shaft and elastic gasket, to some extent, it has improved or solved that existing GRC board cutting, punching and polishing and other processing, generally exist not easy to limit, limit operation is complicated, fixed efficiency is low, it is difficult to quickly realize to board limiting firm and release, seriously affect processing efficiency, and it is inconvenient to move board to adjust position in limiting process, in addition, lack of convenient moving structure, short distance turnover needs to rely on external tool, increase handling cost and time, further restrict the improvement of overall processing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of GRC board processing technology, specifically to an auxiliary limiting mechanism for GRC board processing. Background Technology

[0002] GRC board, short for glass fiber reinforced cement board, is a new type of composite building board made of low-alkalinity cement as a binder, alkali-resistant glass fiber as a reinforcing material, and sand or lightweight aggregate as a filler. It is produced through processes such as batching, mixing, molding, and curing. Its core advantage lies in combining the high strength and durability of cement with the high toughness and crack resistance of glass fiber, forming a building material with multiple properties such as lightweight, high strength, fire resistance, and moisture resistance. The processing of GRC board involves a series of processes such as cutting, drilling, grinding, and surface treatment to transform the formed raw board into a finished board that meets the needs of building installation. Among these processes, the cutting and drilling processes have extremely high requirements for the stability of GRC board. If the board is displaced or shaken during processing, it will lead to deviations in cutting dimensions and inaccurate drilling positions, affecting the quality of the finished product. Therefore, in the process of GRC board processing, stabilizing and fixing the board is a key step to ensure processing accuracy and the qualified rate of finished products. However, existing methods for cutting, drilling, and grinding GRC panels generally suffer from difficulties in limiting the position, cumbersome limiting operations, low fixing efficiency, and difficulty in quickly and firmly limiting and releasing the panel, which seriously affects processing efficiency. Furthermore, it is not convenient to move the panel to adjust its position during the limiting process. In addition, there is a lack of convenient moving structures, and short-distance turnover requires the use of external tools, which increases handling costs and time, further restricting the improvement of overall processing efficiency. Utility Model Content

[0003] To address the problems mentioned in the background art, the purpose of this utility model is to provide an auxiliary limiting mechanism for GRC board processing. This mechanism offers advantages such as rapid limiting, stabilizing, and releasing of the GRC board, easy adjustment of the board's position, short-distance movement, and improved processing efficiency. It improves or solves, to a certain extent, the common problems in existing GRC board cutting, drilling, and grinding processes, including difficulty in limiting the board, cumbersome limiting operations, low fixing efficiency, and difficulty in quickly limiting, stabilizing, and releasing the board, which seriously affects processing efficiency. Furthermore, it is inconvenient to move the board to adjust its position during the limiting process. In addition, the lack of a convenient moving structure means that short-distance turnover requires external tools, increasing handling costs and time, further restricting the improvement of overall processing efficiency.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an auxiliary limiting mechanism for GRC plate processing, comprising a base plate, universal wheels fixedly connected to the four corners of the lower surface of the base plate, a worktable fixedly connected to the upper surface of the base plate, a cavity opened inside the worktable, a limiting device provided inside the worktable, four auxiliary moving components evenly arranged on the upper surface of the worktable, and three movable slots evenly opened on the left and right sides of the upper surface of the worktable, all six movable slots penetrating into the interior of the worktable; The limiting device includes support rods, clamping components, and a control mechanism. There are three support rods, which are evenly arranged inside the upper part of the worktable. The left and right ends of the three support rods are respectively fixedly connected to the left and right surfaces inside the worktable. There are two clamping components, which are respectively arranged on the left and right sides of the upper part of the worktable. The control mechanism is located inside the lower part of the worktable.

[0005] As a preferred embodiment of the present invention, the auxiliary moving component includes a rotating seat and a roller. There are two rotating seats, which are respectively fixedly connected to the left and right sides of the upper surface of the worktable. The roller is disposed between the two rotating seats, and its left and right ends are respectively rotatably connected to the two rotating seats.

[0006] In a preferred embodiment of this invention, the clamping assembly includes a movable plate, a clamping plate, rubber anti-slip pads, and a pressure rod. The movable plate is fitted onto the right end surface of the three support rods and is slidably connected to the support rods. There are three clamping plates, which are evenly and fixedly connected to the upper surface of the movable plate. The upper ends of the three clamping plates extend from the worktable through the three movable slots on the right side and are movably connected to the worktable. There are three rubber anti-slip pads, which are fixedly connected to the upper end of the left surface of the clamping plate. The pressure rod is fixedly connected to the lower end surface of the movable plate.

[0007] As a preferred embodiment of this utility model, each of the six movable slots is provided with an elastic sealing gasket at its upper end. The elastic sealing gasket is fixedly connected to the inner wall of the movable slot and is sleeved on the lower end of the clamping plate, and is movably connected to the clamping plate.

[0008] In a preferred embodiment of this invention, the control mechanism includes a linkage component and a driving component. The linkage component is disposed at the lower ends of the two pressure rods, and the driving component is disposed at the rear side of the lower end of the linkage component.

[0009] In a preferred embodiment of this invention, the linkage assembly includes a rotating rod, a drive disc, an arc-shaped extrusion groove, and a worm gear. The rotating rod is disposed at the lower end of the worktable and its lower end is rotatably connected to the worktable. The drive disc is sleeved on the upper surface of the rotating rod and is fixedly connected to the rotating rod. There are two arc-shaped extrusion grooves, which are respectively opened on the left and right sides of the drive disc and correspond to the two pressure rods. The lower ends of the two pressure rods are respectively disposed inside the two arc-shaped extrusion grooves and are movably connected to the arc-shaped extrusion grooves. The worm gear is sleeved on the lower surface of the rotating rod and is fixedly connected to the rotating rod.

[0010] In a preferred embodiment of this utility model, the driving component includes a worm and a motor. The worm is disposed on the rear side of the worm wheel and meshes with the worm wheel. Both the left and right sides of the worm are rotatably connected to the worktable, and the right end extends out of the worktable. The motor is fixedly connected to the right end of the worm and is fixedly connected to the right side surface of the worktable.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: 1. This utility model, through the coordinated use of a base plate, casters, worktable, limiting device, support rod, clamping assembly, moving plate, clamping plate, rubber anti-slip pad, pressure rod, control mechanism, linkage assembly, rotating rod, drive disk, arc-shaped extrusion groove, worm gear, drive component, worm, motor, auxiliary moving assembly, rotating seat, roller shaft, elastic sealing gasket, and movable groove, improves or solves to a certain extent the common problems in existing GRC board cutting, drilling, and grinding processes, such as difficulty in limiting the position, cumbersome limiting operation, low fixing efficiency, and difficulty in quickly and firmly limiting and releasing the board, which seriously affects processing efficiency. Moreover, it is not convenient to move the board to adjust its position during the limiting process. In addition, there is a lack of convenient moving structure, and short-distance turnover requires the use of external tools, increasing transportation costs and time, further restricting the improvement of overall processing efficiency.

[0012] 2. By setting up a clamping component and an elastic sealing gasket, this utility model can not only achieve stable positioning of the plate through multiple sets of clamping plates and rubber anti-slip pads, but also isolate dust and debris with the help of the elastic sealing gasket, protect the internal structure, and improve the reliability of positioning and the durability of the equipment.

[0013] 3. This utility model, by setting up a control mechanism, wherein the linkage component and the driving component cooperate to link the two clamping components to achieve rapid clamping and release of the plate, and the worm gear transmission has self-locking properties, which can ensure the stability of the clamping state and improve the reliability of the limit. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the auxiliary limiting mechanism of this utility model; Figure 2A schematic diagram of the exploded three-dimensional structure of the auxiliary limiting mechanism; Figure 3 A schematic diagram of the exploded three-dimensional structure of the clamping component; Figure 4 This is a schematic diagram of the three-dimensional structure of the control mechanism in an explosion.

[0015] In the diagram: 1. Base plate; 2. Casters; 3. Worktable; 4. Limiting device; 5. Support rod; 6. Clamping assembly; 61. Moving plate; 62. Clamping plate; 63. Rubber anti-slip pad; 64. Pressure rod; 7. Control mechanism; 71. Linkage assembly; 711. Rotating rod; 712. Drive disc; 713. Arc-shaped extrusion groove; 714. Worm gear; 72. Drive component; 721. Worm; 722. Motor; 8. Auxiliary moving assembly; 81. Rotating seat; 82. Roller; 9. Elastic sealing gasket; 10. Movable groove. Detailed Implementation

[0016] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0017] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0018] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0019] Secondly, this utility model is described in detail with reference to the schematic diagrams. When describing the embodiments of this utility model, for ease of explanation, the cross-sectional views illustrating the device structure may be partially enlarged, not adhering to the usual scale. Furthermore, the schematic diagrams are merely examples and should not limit the scope of protection of this utility model. In addition, actual manufacturing should include the three-dimensional spatial dimensions of length, width, and depth.

[0020] Example 1 Reference Figure 1-4This is the first embodiment of the present invention, which provides an auxiliary limiting mechanism for GRC plate processing, including a base plate 1, universal wheels 2 fixedly connected to the four corners of the lower surface of the base plate 1, a worktable 3 fixedly connected to the upper surface of the base plate 1, a cavity opened inside the worktable 3, a limiting device 4 provided inside the worktable 3, four auxiliary moving components 8 evenly arranged on the upper surface of the worktable 3, and three movable grooves 10 evenly opened on the left and right sides of the upper surface of the worktable 3, all six movable grooves 10 penetrating into the interior of the worktable 3. The limiting device 4 includes support rods 5, clamping components 6 and control mechanism 7. There are three support rods 5, which are evenly arranged inside the upper part of the worktable 3. The left and right ends of the three support rods 5 are fixedly connected to the left and right sides of the inside of the worktable 3, respectively. There are two clamping components 6, which are respectively arranged on the left and right sides of the upper part of the inside of the worktable 3. The control mechanism 7 is located inside the lower part of the inside of the worktable 3. The auxiliary moving component 8 includes a rotating seat 81 and a roller 82. There are two rotating seats 81, which are fixedly connected to the left and right sides of the upper surface of the worktable 3, respectively. The roller 82 is disposed between the two rotating seats 81, and its left and right ends are rotatably connected to the two rotating seats 81, respectively.

[0021] Specifically, the mechanism can quickly limit and release the GRC board, making it easy to adjust the processing position of the board, and can also achieve short-distance movement of the whole board through the casters 2, effectively improving processing efficiency.

[0022] Furthermore, the auxiliary moving component 8 facilitates the translation and adjustment of the plate on the worktable 3, the limiting device 4 drives the clamping component 6 to firmly clamp the plate through the control mechanism 7, and the universal wheels 2 at the bottom of the base plate 1 support the overall movement. All components work together to achieve efficient limiting and flexible operation during GRC plate processing.

[0023] Example 2 In the second embodiment of this utility model, the clamping assembly 6 includes a movable plate 61, a clamping plate 62, a rubber anti-slip pad 63, and a pressure rod 64. The movable plate 61 is sleeved on the right end surface of the three support rods 5 and is slidably connected to the support rods 5. There are three clamping plates 62, which are evenly and fixedly connected to the upper surface of the movable plate 61. The upper ends of the three clamping plates 62 extend out of the worktable 3 through the three movable slots 10 on the right side and are movably connected to the worktable 3. There are three rubber anti-slip pads 63, which are fixedly connected to the upper end of the left surface of the clamping plate 62. The pressure rod 64 is fixedly connected to the lower end surface of the movable plate 61. Each of the six movable slots 10 has an elastic sealing gasket 9 at its upper end. The elastic sealing gasket 9 is fixedly connected to the inner wall of the movable slot 10, and is sleeved on the lower end of the clamping plate 62 and movably connected to the clamping plate 62.

[0024] Specifically, by setting the clamping component 6 in conjunction with the elastic sealing gasket 9, the plate can be stably limited by multiple clamping plates 62 and rubber anti-slip pads 63, and the elastic sealing gasket 9 can isolate dust and debris, protect the internal structure, and improve the reliability of the limit and the durability of the equipment.

[0025] Furthermore, when the drive disc 712 rotates, the arc-shaped extrusion grooves 713 on its left and right sides will exert an extrusion effect on the two pressure rods 64 set in the grooves. After being extruded, the two pressure rods 64 drive the two moving plates 61 to slide horizontally closer along the support rod 5. The three clamping plates 62 fixed on the upper surface of the moving plate 61 extend out of the worktable 3 through the movable groove 10. The clamping plates 62 on the left and right sides gradually approach each other until the rubber anti-slip pads 63 are tightly attached to the two sides of the plate, completing the stable clamping and limiting of the plate. During this process, the elastic sealing pads 9 in the movable groove 10 are tightly fitted on the lower end of the clamping plates 62. As the clamping plates 62 move, they will deform, which will not affect the movement of the clamping plates 62, and will also prevent dust and debris generated during the processing from entering the internal cavity of the worktable 3, thus protecting the internal components.

[0026] Example 3 In the third embodiment of this utility model, the control mechanism 7 includes a linkage component 71 and a driving component 72. The linkage component 71 is disposed at the lower end of the two pressure rods 64, and the driving component 72 is disposed at the rear side of the lower end of the linkage component 71. The linkage assembly 71 includes a rotating rod 711, a drive disk 712, an arc-shaped extrusion groove 713, and a worm gear 714. The rotating rod 711 is located inside the lower end of the worktable 3 and is rotatably connected to the worktable 3. The drive disk 712 is sleeved on the upper surface of the rotating rod 711 and is fixedly connected to the rotating rod 711. There are two arc-shaped extrusion grooves 713, which are respectively opened on the left and right sides of the drive disk 712 and correspond to the two pressure rods 64. The lower ends of the two pressure rods 64 are respectively located inside the two arc-shaped extrusion grooves 713 and are movably connected to the arc-shaped extrusion grooves 713. The worm gear 714 is sleeved on the lower surface of the rotating rod 711 and is fixedly connected to the rotating rod 711. The drive component 72 includes a worm 721 and a motor 722. The worm 721 is located behind the worm wheel 714 and is meshed with the worm wheel 714. Both the left and right sides of the worm 721 are rotatably connected to the worktable 3, and the right end extends out of the worktable 3. The motor 722 is fixedly connected to the right end of the worm 721 and is fixedly connected to the right side surface of the worktable 3.

[0027] Specifically, by setting up a control mechanism 7, in which the linkage component 71 and the drive component 72 cooperate to link the two clamping components 6 to achieve rapid clamping and release of the plate, and the worm gear 714 and worm 721 transmission have self-locking properties, which can ensure the stability of the clamping state and improve the reliability of the limit.

[0028] Furthermore, after the plate is adjusted to the appropriate processing position, the motor 722 is started. The motor 722 drives the worm 721 to rotate. Since the worm 721 is meshed with the worm wheel 714, the worm wheel 714 rotates with the worm 721 and drives the rotating rod 711 to rotate synchronously. The drive disc 712 at the upper end of the rotating rod 711 rotates accordingly. The arc-shaped extrusion grooves 713 on its left and right sides will exert an extrusion effect on the two pressure rods 64 set in the groove. After the two pressure rods 64 are extruded, they drive the two moving plates 61 to slide horizontally closer along the support rod 5.

[0029] Working principle: When in use, the board is placed on the roller 82 on the worktable 3. By pushing the board, the board can be easily moved on the surface of the worktable 3 by utilizing the rotational connection between the roller 82 and the rotating seat 81. This allows for quick and easy adjustment of the board's processing position without the need for laborious handling. After the sheet metal is adjusted to the appropriate processing position, the motor 722 is started. The motor 722 drives the worm gear 721 to rotate. Since the worm gear 721 is meshed with the worm wheel 714, the worm wheel 714 rotates with the worm gear 721 and drives the rotating rod 711 to rotate synchronously. The drive disc 712 at the upper end of the rotating rod 711 rotates accordingly. The arc-shaped extrusion grooves 713 on its left and right sides will exert an extrusion effect on the two pressure rods 64 set in the grooves. After being extruded, the two pressure rods 64 drive the two moving plates 61 to slide horizontally closer along the support rod 5. The upper surface of the moving plate 61 Three fixed clamping plates 62 extend out of the worktable 3 through the movable groove 10. The clamping plates 62 on the left and right sides gradually approach each other until the rubber anti-slip pads 63 are tightly attached to the two sides of the plate, thus completing the stable clamping and limiting of the plate. During this process, the elastic sealing pads 9 in the movable groove 10 are tightly fitted on the lower end of the clamping plates 62. As the clamping plates 62 move, they will deform, which will not affect the movement of the clamping plates 62, and will also prevent dust and debris generated during the processing from entering the internal cavity of the worktable 3, thus protecting the internal components. After the limit is stabilized, the worktable 3 can be pushed. With the help of the rolling characteristics of the universal wheels 2 at the four corners of the lower surface of the substrate 1, the entire device, together with the fixed GRC plate, can be moved over a short distance without the need for additional external handling tools, which further improves the flexibility and turnover efficiency in the processing process. After processing, the reverse start motor 722 is activated, driving the disk 712 to rotate in the opposite direction. The inner walls of the two arc-shaped extrusion grooves 713 press against the two pressure rods 64 in the opposite direction, causing the two pressure rods 64 to drive the two moving plates 61 to move away from the support rod 5 to the left and right. The clamping plate 62 can be reset with the moving plate 61, releasing the limit on the plate. The plate can then be removed from the worktable 3 by pushing it again with the roller shaft 82. The entire operation process is efficient and convenient, realizing the rapid limit fixation and release of the plate, while also taking into account the flexibility of position adjustment.

[0030] In summary, by using the combination of the following components—base plate 1, casters 2, worktable 3, limiting device 4, support rod 5, clamping assembly 6, moving plate 61, clamping plate 62, rubber anti-slip pad 63, pressure rod 64, control mechanism 7, linkage assembly 71, rotating rod 711, drive disk 712, arc-shaped extrusion groove 713, worm gear 714, drive component 72, worm 721, motor 722, auxiliary moving assembly 8, rotating seat 81, roller 82, elastic sealing gasket 9, and movable groove 10—the system achieves rapid limiting, stabilization, and release of the GRC plate, facilitates adjustment of the plate position, allows for short-distance movement, and improves processing efficiency.

[0031] The caster wheel 2, motor 722, worm gear 714 and worm 721 used in this application can be additionally equipped with protective measures of common knowledge in the art under different usage environments, including but not limited to the following methods, such as protective covers for equipment protection, dustproof nets for equipment dust prevention, and sealing components or waterproof coatings for equipment waterproofing, which are commonly used by those skilled in the art.

[0032] It should be noted that the caster wheel 2, motor 722, worm gear 714 and worm 721 are existing devices or equipment, or devices or equipment that can be implemented by existing technology. The power supply, connection method, usage method, power source, fixing method, installation method, control method, etc. of the device, as well as the materials of each accessory and the selection of various parameters are common knowledge to those skilled in the art, and therefore will not be described in detail in this application document.

[0033] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0034] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0035] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0036] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. An auxiliary limiting mechanism for GRC board processing, comprising a base plate (1), characterized in that: Universal wheels (2) are fixedly connected to the four corners of the lower surface of the substrate (1). A worktable (3) is fixedly connected to the upper surface of the substrate (1). A cavity is opened inside the worktable (3). A limit device (4) is set inside the worktable (3). Four auxiliary moving components (8) are evenly arranged on the upper surface of the worktable (3). Three movable slots (10) are evenly opened on the left and right sides of the upper surface of the worktable (3). All six movable slots (10) penetrate into the interior of the worktable (3). The limiting device (4) includes a support rod (5), a clamping assembly (6), and a control mechanism (7). There are three support rods (5), which are evenly arranged inside the upper part of the worktable (3). The left and right ends of the three support rods (5) are respectively fixedly connected to the left and right sides of the inside of the worktable (3). There are two clamping assemblies (6), which are respectively arranged on the left and right sides of the upper part of the inside of the worktable (3). The control mechanism (7) is arranged inside the lower part of the inside of the worktable (3).

2. The auxiliary limiting mechanism for GRC plate processing according to claim 1, characterized in that: The auxiliary moving component (8) includes a rotating seat (81) and a roller (82). There are two rotating seats (81), which are fixedly connected to the left and right sides of the upper surface of the worktable (3). The roller (82) is arranged between the two rotating seats (81), and its left and right ends are rotatably connected to the two rotating seats (81) respectively.

3. The auxiliary limiting mechanism for GRC plate processing according to claim 1, characterized in that: The clamping assembly (6) includes a movable plate (61), a clamping plate (62), a rubber anti-slip pad (63), and a pressure rod (64). The movable plate (61) is fitted onto the right end surface of the three support rods (5) and is slidably connected to the support rods (5). There are three clamping plates (62), which are evenly fixedly connected to the upper surface of the movable plate (61). The upper ends of the three clamping plates (62) extend out of the worktable (3) through the three movable slots (10) on the right side and are movably connected to the worktable (3). There are three rubber anti-slip pads (63), which are fixedly connected to the upper left surface of the clamping plate (62). The pressure rod (64) is fixedly connected to the lower end surface of the movable plate (61).

4. The auxiliary limiting mechanism for GRC plate processing according to claim 3, characterized in that: Each of the six movable slots (10) has an elastic sealing gasket (9) at its upper end. The elastic sealing gasket (9) is fixedly connected to the inner wall of the movable slot (10) and is sleeved on the lower end of the clamping plate (62) and is movably connected to the clamping plate (62).

5. The auxiliary limiting mechanism for GRC plate processing according to claim 4, characterized in that: The control mechanism (7) includes a linkage component (71) and a drive component (72). The linkage component (71) is located at the lower end of the two pressure rods (64), and the drive component (72) is located at the rear side of the lower end of the linkage component (71).

6. The auxiliary limiting mechanism for GRC plate processing according to claim 5, characterized in that: The linkage component (71) includes a rotating rod (711), a drive disk (712), an arc-shaped extrusion groove (713), and a worm gear (714). The rotating rod (711) is located inside the lower end of the worktable (3) and is rotatably connected to the worktable (3). The drive disk (712) is sleeved on the upper surface of the rotating rod (711) and is fixedly connected to the rotating rod (711). There are two arc-shaped extrusion grooves (713), which are respectively opened on the left and right sides of the drive disk (712) and correspond to the two pressure rods (64). The lower ends of the two pressure rods (64) are respectively located inside the two arc-shaped extrusion grooves (713) and are movably connected to the arc-shaped extrusion grooves (713). The worm gear (714) is sleeved on the lower surface of the rotating rod (711) and is fixedly connected to the rotating rod (711).

7. The auxiliary limiting mechanism for GRC plate processing according to claim 6, characterized in that: The driving component (72) includes a worm (721) and a motor (722). The worm (721) is located behind the worm wheel (714) and meshes with the worm wheel (714). The left and right sides of the worm (721) are rotatably connected to the worktable (3), and the right end extends out of the worktable (3). The motor (722) is fixedly connected to the right end of the worm (721) and is fixedly connected to the right side surface of the worktable (3).

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