A presser mechanism of a cutting machine

Abstract

The utility model relates to plate cutting technical field discloses a cutting machine's presser plate mechanism, including two down -pressing mechanism and down -pressing plate, down -pressing mechanism includes mounting support, movable plate, linear motion subassembly, bottom limit board and lift assembly, linear motion subassembly with lift assembly all are fixed on mounting support, movable plate is assembled in linear motion subassembly, to drive its back and forth linear motion in the set direction through linear motion subassembly, bottom limit board is installed on lift assembly, and bottom limit board is laid out correspondingly movable plate position, is used for limiting movable plate down -pressing limit distance, and the both ends of down -pressing plate are fixed through the movable plate of two down -pressing mechanism. The utility model can realize the automatic down -pressing of plate after the fixed rule retreats, and automatically withdraws after the compression beam drops down, thereby stably keeps the plate position without relying on manual intervention, improves cutting accuracy and automation level.

Description

Technical Field

[0001] This utility model relates to the field of sheet metal cutting technology, and in particular to a pressure plate mechanism for a cutting machine. Background Technology

[0002] Cutting machines, as common sheet metal processing equipment, are widely used in woodworking, packaging, and composite material production. Their typical workflow includes feeding, positioning, clamping, and cutting. In traditional cutting machines, a gauge is typically used to push the sheet metal to a set position before cutting. To avoid interference between the cutting blade and the gauge, the gauge must immediately retract after feeding. However, it is precisely during this brief interval between the gauge retraction and the start of the cutting action that the sheet metal, lacking external positioning constraints, is highly susceptible to displacement due to equipment vibration, inertia, or uneven table friction. This displacement leads to deviations in subsequent cutting dimensions, affecting product accuracy and consistency.

[0003] Currently, to address this displacement issue, most production sites still rely on operators manually pressing down on the sheet metal to maintain its position during critical periods. This method not only increases the labor intensity for workers but also suffers from problems such as response delays, uneven pressing pressure, and fatigue-induced errors due to manual operation, making it difficult to guarantee dimensional stability and repeatability in batch processing. Furthermore, while some equipment has attempted to be equipped with simple pressure plate devices, these often have fixed structures, are inconvenient to adjust, or lack coordination between the pressing action and the cutting process, failing to achieve timely, reliable, and automated sheet metal positioning and holding during the critical stage from the initial retraction to the downward pressure of the pressure beam.

[0004] Therefore, how to automatically, quickly and stably press the sheet material after the gauge retraction to prevent it from shifting before cutting has become a key issue in improving the automation level and processing accuracy of the cutting machine. Summary of the Invention

[0005] The purpose of this invention is to provide a pressure plate mechanism for a cutting machine to solve the problem of sheet material displacement caused by the retraction of the gauge during the cutting process. This pressure plate mechanism of the cutting machine is achieved by setting two pressing mechanisms and a pressing plate connecting them. Each pressing mechanism includes a mounting bracket, a movable plate, a linear motion component, and a lifting component, etc., to automatically press down the sheet material before the gauge retracts and automatically retract after the pressure beam descends. This allows for stable maintenance of the sheet material position without manual intervention, improving cutting accuracy and automation.

[0006] To achieve the above objectives, the following technical solution is adopted: A pressure plate mechanism for a cutting machine includes two pressing mechanisms and a pressing plate. Each pressing mechanism includes a mounting bracket, a movable plate, a linear motion assembly, a bottom limiting plate, and a lifting assembly. The linear motion assembly and the lifting assembly are both fixed to the mounting bracket. The movable plate is mounted on the linear motion assembly to drive it to move back and forth in a set direction. The bottom limiting plate is mounted on the lifting assembly and is positioned corresponding to the movable plate to limit the maximum pressing distance of the movable plate. Both ends of the pressing plate are fixed by the movable plates of the two pressing mechanisms.

[0007] Preferably, in the pressure plate mechanism of the above-mentioned cutting machine, the linear motion component is a linear motor.

[0008] Preferably, in the pressure plate mechanism of the above-mentioned cutting machine, the lifting component is a lifting cylinder.

[0009] Preferably, in the pressure plate mechanism of the above-mentioned cutting machine, the pressing mechanism further includes a guide assembly, and the movable plate is mounted on the guide assembly.

[0010] Preferably, in the pressure plate mechanism of the above-mentioned cutting machine, the guiding assembly includes a guide base, a first guide rod, a second guide rod, a first guide mounting component, and a second guide mounting component; wherein, the guide base is fixed to the mounting bracket, the first guide rod and the second guide rod are both fixedly connected to the movable plate, the first guide rod is movably assembled to the first guide mounting component, the second guide rod is movably assembled to the second guide mounting component, the first guide mounting component and the second guide mounting component are both fixed to the guide base, the first guide rod and the second guide rod are parallel, and the movement direction of the first guide rod and the second guide rod on the first guide mounting component and the second guide mounting component is consistent with the linear movement direction of the linear motion assembly.

[0011] Preferably, in the pressure plate mechanism of the above-mentioned cutting machine, the first guide mounting member and the second guide mounting member are disposed on both sides of the guide base.

[0012] Preferably, in the pressure plate mechanism of the above-mentioned cutting machine, a protective structural layer is provided at the lower end of the lower pressure plate.

[0013] The beneficial effects of this utility model are: This invention features a pressing mechanism comprising a mounting bracket, a movable plate, a linear motion component, a lifting component, and a bottom limiting plate. With pressing plates fixed at both ends to the movable plate, the mechanism automatically presses down on the sheet material before it retracts during the cutting process, effectively preventing material displacement and ensuring precise cutting dimensions. The linear motion component drives the movable plate to reciprocate in a set direction, while the lifting component and bottom limiting plate control the pressing stroke, ensuring stable and reliable plate movement. The guide component further enhances the smoothness of movement and positioning accuracy. The overall structural design is reasonable, achieving automatic clamping and release during the cutting process, significantly reducing manual labor intensity and improving production efficiency and consistency of cutting quality. Attached Figure Description

[0014] Figure 1 A front view of the pressure plate mechanism of a cutting machine according to an embodiment of the present invention is shown.

[0015] Figure 2 A schematic diagram of the working state of the pressure plate mechanism of a cutting machine according to an embodiment of the present invention is shown.

[0016] Figure 3 A side view of the pressing mechanism in the pressure plate mechanism of a cutting machine according to an embodiment of the present invention is shown.

[0017] Figure label: 100. Pressing mechanism; 110. Mounting bracket; 120. Movable plate; 130. Linear motion assembly; 140. Bottom limit plate; 150. Lifting assembly; 160. Guide assembly; 161. Guide base; 162. First guide rod; 163. Second guide rod; 164. First guide mounting component; 165. Second guide mounting component; 200. Pressing plate; 300. Protective structural layer; 400. Conveyor line; 500. Sheet metal. Detailed Implementation

[0018] The following specific examples illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. This utility model can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this utility model. It should be noted that, unless otherwise specified, the following embodiments and features described therein can be combined with each other.

[0019] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples.

[0020] This utility model embodiment provides a pressure plate mechanism for a cutting machine, such as... Figure 1As shown, the pressure plate mechanism of the cutting machine includes two pressing mechanisms 100 and a pressing plate 200. Each pressing mechanism 100 includes a mounting bracket 110, a movable plate 120, a linear motion assembly 130, a bottom limiting plate 140, and a lifting assembly 150. Both the linear motion assembly 130 and the lifting assembly 150 are fixed to the mounting bracket 110. The movable plate 120 is mounted on the linear motion assembly 130, allowing it to move back and forth in a set direction via the linear motion assembly 130. The bottom limiting plate 140 is mounted on the lifting assembly 150 and is positioned corresponding to the movable plate 120, limiting the maximum pressing distance of the movable plate 120. Both ends of the pressing plate 200 are fixed by the movable plates 120 of the two pressing mechanisms 100.

[0021] like Figure 2 As shown, the pressure plate mechanism of the cutting machine can be applied to the production of light guide plates. In actual implementation, the two pressing mechanisms 100 are installed in the cutting station through the mounting bracket 110. The plate 500 to be cut is transported to the cutting station through the conveyor line 400. First, it is pressed and fixed by the pressure plate mechanism of the cutting machine provided in this embodiment, and then the cutting machine cuts it.

[0022] Specifically, before the cutting operation, the sheet material 500 is continuously conveyed to the preset cutting station via the conveyor line 400. When the sheet material 500 has completely reached the cutting area, the conveyor line 400 stops running, and the pressure plate mechanism of the cutting machine enters the working state. The two pressing mechanisms 100 are stably fixed to the corresponding positions of the cutting station via the mounting bracket 110. The lifting component 150 inside it starts running first, driving the bottom limiting plate 140 to adjust vertically to a set height. This height is pre-calibrated according to the thickness of the sheet material 500 to ensure that the pressing limit of the pressing plate 200 is limited while avoiding excessive compression of the sheet material 500. After the lifting component 150 completes the position calibration of the bottom limiting plate 140, the linear motion component 130 starts working, and its output end drives the movable plate 120 assembled with it to move linearly in a set direction. Since the two ends of the pressing plate 200 are fixedly connected to the movable plates 120 of the two pressing mechanisms 100, the movement of the movable plate 120 synchronously drives the pressing plate 200 to move closer to the sheet material 500. After the lower end of the pressure plate 200 contacts the upper surface of the sheet 500, the linear motion component 130 continues to output power, pushing the pressure plate 200 downwards until the bottom of the movable plate 120 contacts the upper surface of the bottom limiting plate 140, at which point the linear motion component 130 stops. At this point, the pressure plate 200 uses stable pressure to firmly press and fix the sheet 500 onto the cutting station, preventing displacement during the cutting process. Once the sheet 500 is completely fixed, the cutting component of the cutting machine starts, performing a pre-defined cutting operation on the sheet 500. After cutting, the linear motion component 130 reverses direction, causing the movable plate 120 and the pressure plate 200 to return to their original positions. The conveyor line 400 restarts, conveying the cut sheet 500 out of the cutting station and simultaneously conveying the next batch of sheets 500 to be cut to the station, thus starting the next work cycle for the pressure plate mechanism. It should be noted that if the size of a batch of boards 500 to be cut is the same as the previous batch, there is no need to adjust the lifting component 150 again. For the same type of board, the lifting component 150 only needs to be adjusted once when it is first used on that type of board. The purpose of the lifting component 150 is to make the pressure plate mechanism of the cutting machine applicable to cutting different types of boards after installation.

[0023] In some embodiments, the linear motion component 130 may be a linear motor for providing precise and rapid linear drive; the lifting component 150 may be a lifting cylinder for adjusting and locking the height of the bottom limiting plate 140. It is understood that the above enumeration of specific components is merely illustrative and not intended to limit the scope of protection of this utility model.

[0024] Under the concept of this utility model, the linear motion component 130 can also adopt other mechanisms capable of realizing linear reciprocating motion, such as electric push rods, ball screw modules, or hydraulic cylinders. Similarly, the lifting component 150 can also adopt servo electric cylinders, screw jacks, or manual adjustment and locking mechanisms, as long as it meets the functional requirement of adjusting and fixing the height of the bottom limit plate 140. These different forms of execution components are all conventional choices and equivalent substitutions that can be made by those skilled in the art after knowing the solution of this utility model, and should all be included within the protection scope of this utility model.

[0025] In some embodiments, such as Figure 1 As shown, the pressing mechanism 100 also includes a guide assembly 160, on which the movable plate 120 is mounted. The main function of the guide assembly 160 is to guide and constrain the vertical linear movement of the movable plate 120, ensuring its movement trajectory is accurate and stable, reducing shaking or jamming, thereby ensuring that the pressing plate 200 can vertically and stably press the plate.

[0026] Specifically, the guide assembly 160 may include a guide base fixed to the mounting bracket 110, and a guide rod and a guide sleeve that cooperate with each other. The movable plate 120 is connected to the guide rod, which slidably passes through the guide sleeve fixed to the guide base. By setting up multiple sets of parallel guide rods and guide sleeves, the anti-eccentric load capacity and motion repeatability of the movable plate 120 when it is raised and lowered under the drive of the linear motion assembly 130 can be significantly enhanced.

[0027] It is understood that the specific structure of the above-described guide component is merely an example. Under the concept of this invention, other common precision linear guide structures such as linear guides, grooves, and sliders can also be used. Any implementation that can provide stable, low-friction linear motion constraints for the movable plate 120 is an optional embodiment of the guide component 160 in this invention.

[0028] In some embodiments, such as Figure 3As shown, the guide assembly 160 includes a guide base 161, a first guide rod 162, a second guide rod 163, a first guide mounting member 164, and a second guide mounting member 165. The guide base 161 is fixed to the mounting bracket. The first guide rod 162 and the second guide rod 163 are both fixedly connected to the movable plate. The first guide rod 162 is movably mounted on the first guide mounting member 164, and the second guide rod 163 is movably mounted on the second guide mounting member 165. The first guide mounting member 164 and the second guide mounting member 165 are both fixed to the guide base 161. The first guide rod 162 and the second guide rod 163 are parallel, and the direction of movement of the first guide rod 162 and the second guide rod 163 on the first guide mounting member 164 and the second guide mounting member 165 is consistent with the direction of linear motion of the linear motion assembly 130.

[0029] In the above embodiment, the guide assembly 160 provides a stable mounting base for the entire guide structure through the guide base 161. The first guide rod 162 and the second guide rod 163 are arranged in parallel and fixedly connected to the movable plate 120, forming a rigid motion frame together. The first guide mounting member 164 and the second guide mounting member 165 act as sliding bearings or linear bearings. They are fixed on the guide base 161 and respectively sleeved on the outer periphery of the first guide rod 162 and the second guide rod 163. When the linear motion assembly 130 drives the movable plate 120 to rise and fall, the two guide rods slide precisely in a straight line within the corresponding guide mounting members, thereby effectively preventing the movable plate 120 from shifting laterally or twisting during movement, ensuring the accuracy and stability of its vertical movement trajectory. The symmetrical layout of the double guide rods further enhances the ability of the moving parts to withstand off-center loads.

[0030] It is understood that the above-described method of constructing the guide assembly 160 with two parallel guide rods and matching guide mounting parts is only a specific and preferred embodiment. Under the technical concept of this utility model, the structural form of the guide assembly 160 is not limited to this. For example, in some other feasible embodiments, a single guide rod combined with an anti-rotation key, or a combination of one or more linear guides and sliders, can also be used to achieve the same guiding function. Any mechanical structure capable of providing stable and reliable guidance for the linear movement of the movable plate 120 is an equivalent replacement or modification of the guide assembly 160 disclosed in this utility model and should be covered within the protection scope of this utility model.

[0031] In some embodiments, the first guide mounting member 164 and the second guide mounting member 165 are respectively disposed on both sides of the guide base 161 along the horizontal direction. This symmetrical distribution on both sides of the base allows the first guide rod 162 and the second guide rod 163 to provide balanced and stable bidirectional guidance and support to the movable plate 120 from both sides. This structure can effectively resist the lateral torque or torsional tendency that may be generated during the movement of the movable plate 120, further ensuring the vertical accuracy and overall rigidity of the movable plate 120 and the lower pressure plate 200 during lifting and lowering movements.

[0032] It is understandable that the above-described arrangement of placing two guide mounting components on both sides of the guide base is a specific layout that is beneficial for optimizing force distribution and improving guiding stability. Under the technical solution of this utility model, the specific number, relative position, and arrangement of the guide mounting components are not fixed. For example, depending on the actual structural space and load requirements, multiple guide mounting components can be arranged along the same side, or other asymmetrical layouts that can achieve stable guiding function can be used.

[0033] In some embodiments, such as Figure 2 As shown, a protective structural layer 300 is provided at the lower end of the pressure plate 200. The protective structural layer 300 is in direct contact with the surface of the plate 500 to be pressed, and its main function is to provide sufficient pressing force while preventing the rigid pressure plate 200 from causing scratches, indentations, or other damage to the surface of the plate. The protective structural layer 300 can be made of a material with appropriate elasticity, wear resistance, and a high coefficient of friction, such as rubber, polyurethane, engineering plastics, or composite materials. It can both buffer pressure and protect the plate, and increase the friction of the contact surface to further prevent the plate from sliding under the pressing state.

[0034] It is understood that providing the protective structural layer 300 is a preferred accessory feature of this utility model. The above list of material types is merely illustrative and not intended to limit this utility model. The specific material, thickness, hardness, and fixing method (e.g., bonding, covering, detachable installation, etc.) of the protective structural layer 300 can be selected and adjusted according to the type, surface characteristics, and process requirements of the actual processed board material. Any additional structural layer or treatment method provided at the lower end of the pressure plate 200 to protect the surface of the board material or improve the pressing effect falls within the conceptual scope of the protective structural layer 300 in the embodiments of this utility model.

[0035] The above embodiments are only used to illustrate the present utility model and are not intended to limit the present utility model. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present utility model. Therefore, all equivalent technical solutions also fall within the scope of the present utility model. The patent protection scope of the present utility model should be defined by the claims.

Claims

1. A pressure plate mechanism for a cutting machine, characterized in that, It includes two pressing mechanisms and a pressing plate; wherein, the pressing mechanism includes a mounting bracket, a movable plate, a linear motion component, a bottom limiting plate, and a lifting component. The linear motion component and the lifting component are both fixed on the mounting bracket. The movable plate is assembled on the linear motion component so that it can be driven by the linear motion component to make back-and-forth linear motion in a set direction. The bottom limiting plate is installed on the lifting component and is arranged corresponding to the position of the movable plate to limit the ultimate pressing distance of the movable plate. The two ends of the pressing plate are fixed by the movable plates of the two pressing mechanisms.

2. The pressure plate mechanism of the cutting machine according to claim 1, characterized in that, The linear motion component is a linear motor.

3. The pressure plate mechanism of the cutting machine according to claim 1, characterized in that, The lifting component is a lifting cylinder.

4. The pressure plate mechanism of the cutting machine according to claim 1, characterized in that, The pressing mechanism also includes a guide assembly, and the movable plate is mounted on the guide assembly.

5. The pressure plate mechanism of the cutting machine according to claim 4, characterized in that, The guiding assembly includes a guide base, a first guide rod, a second guide rod, a first guide mounting component, and a second guide mounting component; wherein, the guide base is fixed to the mounting bracket, the first guide rod and the second guide rod are both fixedly connected to the movable plate, the first guide rod is movably assembled to the first guide mounting component, the second guide rod is movably assembled to the second guide mounting component, the first guide mounting component and the second guide mounting component are both fixed to the guide base, the first guide rod and the second guide rod are parallel, and the movement direction of the first guide rod and the second guide rod on the first guide mounting component and the second guide mounting component is consistent with the linear motion direction of the linear motion assembly.

6. The pressure plate mechanism of the cutting machine according to claim 5, characterized in that, The first guide mounting component and the second guide mounting component are disposed on both sides of the guide base.

7. The pressure plate mechanism of the cutting machine according to any one of claims 1 to 6, characterized in that, The lower end of the pressure plate is provided with a protective structural layer.

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