A cutting machine for gaskets
By incorporating a roller pressing assembly and a drive component into the gasket cutting machine, the problem of gasket displacement during the cutting process is solved, achieving high-precision cutting and stable sealing effects, reducing safety hazards, and improving production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LANGFANG SHIQIANG SEALING MATERIAL CO LTD
- Filing Date
- 2025-08-22
- Publication Date
- 2026-07-28
AI Technical Summary
During the cutting of sealing gaskets, the gaskets may shift, causing deviations in the cutting dimensions, making it impossible to meet the precise specifications, affecting the sealing effect and posing safety hazards.
A gasket cutting machine was designed, which includes a worktable, a cutting blade, a first drive unit, a second drive unit, a third drive unit, and a roller pressing assembly. The pressure rollers of the roller pressing assembly press the gasket during the cutting process to prevent displacement, and the stability and reliability of the pressing state are achieved through the cooperation of tension springs and sliding plates.
It effectively prevents the gasket from shifting during the cutting process, improves cutting accuracy, ensures sealing effect, reduces the risk of fluid leakage, and improves production efficiency.
Smart Images

Figure CN224561376U_ABST
Abstract
Description
Technical Field
[0001] This application belongs to the field of cutting equipment technology, and more specifically, relates to a gasket cutting machine. Background Technology
[0002] In industrial production and pipeline engineering, gaskets are widely used as important sealing elements in various flange connections to prevent fluid leakage. Among them, PTFE gaskets are favored for their excellent corrosion resistance and high temperature resistance, asbestos gaskets for their good heat resistance and sealing performance, and rubber gaskets for their excellent elasticity and sealing effect.
[0003] In actual production, to meet the needs of different equipment and working scenarios, gaskets often need to be cut to specific dimensions. However, during the cutting process, the gasket may shift, causing deviations in the cutting dimensions and failing to meet precise specifications. This can lead to the gasket not achieving a good sealing effect after installation, resulting in safety hazards such as fluid leakage. Utility Model Content
[0004] Based on the above-mentioned technical problems, this application provides a gasket cutting machine to solve the technical problem that the gasket may shift during the cutting process, resulting in deviations in the cutting size and poor sealing effect.
[0005] To achieve the above objectives, the technical solution adopted in this application is as follows: a gasket cutting machine is provided, including a worktable, a cutting blade disposed above the worktable, a first driving unit for driving the cutting blade to move along the Z-axis, a second driving unit for driving the first driving unit to move along the X-axis, and a third driving unit for driving the second driving unit to move along the Y-axis. The third driving unit includes side plates slidably disposed on both sides of the worktable in the width direction and a power unit for driving the two side plates to slide. The lower part of the two side plates is provided with a roller pressing assembly for pressing the gasket.
[0006] Furthermore, the roller pressing assembly includes two pressure rollers for pressing the sealing gasket. The two pressure rollers are arranged at intervals along the Y-axis of the worktable and are located on both sides of the cutting blade. Each side plate is provided with two connecting rods. One end of each connecting rod is rotatably connected to the side plate, and the other end extends downward in a direction away from each other and is rotatably connected to one end of the corresponding pressure roller. Each connecting rod is provided with a tension spring, and the free end of the tension spring is fixedly connected to the corresponding side plate.
[0007] Furthermore, each of the side plates is slidably provided with a slide plate, the sliding direction of the slide plate is parallel to the Z-axis, each of the connecting rods is rotatably connected to the corresponding slide plate, and the first drive unit is provided with a connecting part for driving the slide plate to rise and fall.
[0008] Furthermore, the horizontal height of the bottom end of the pressure roller is lower than the horizontal height of the bottom end of the cutting blade.
[0009] Furthermore, the first drive unit is located between the two side plates, and the connecting part includes a fixing rod, one end of which is fixedly connected to one of the slide plates, and the other end of which slides through the first drive unit and is fixedly connected to the other slide plate.
[0010] Furthermore, a slide rail is vertically provided on the side plate, and a slide groove is provided on the slide rail corresponding to the slide rail, with the slide rail and the slide groove being slidably connected.
[0011] Furthermore, stop blocks are provided on both sides of the slide plate to prevent the connecting rod from rotating toward the slide plate.
[0012] Furthermore, the cutting blade can be either a laser cutting blade or a vibratory cutting blade.
[0013] Compared with the prior art, the advantages of the gasket cutting machine provided in this application are: 1. By setting up a roller pressing assembly, the two pressure rollers always press the sealing gasket tightly during the cutting process, effectively preventing the sealing gasket from shifting during the cutting process, avoiding deviations in cutting dimensions, and greatly improving cutting accuracy.
[0014] 2. By setting tension springs, the pressure roller can adapt to sealing gaskets of different thicknesses to a certain extent, ensuring that the sealing gaskets can be effectively pressed and fixed under different working conditions. Through the cooperation of the first drive part and the connecting part, the roller pressing assembly can be quickly lifted after cutting, avoiding affecting the workers' movement of the sealing gaskets and improving production efficiency.
[0015] 3. By setting stop blocks on both sides of the slide plate, the pressure roller can quickly and stably return to an effective pressing state on the sealing gasket each time it descends, ensuring the stability and reliability of the entire cutting process. Attached Figure Description
[0016] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 A perspective view of a gasket cutting machine; Figure 2 A perspective view of a roll forming assembly for a gasket cutting machine.
[0018] Explanation of reference numerals in the attached figures: 1. Workbench; 2. Cutting blade; 3. First drive unit; 4. Second drive unit; 5. Third drive unit; 51. Side plate; 511. Slide rail; 6. Roller assembly; 61. Pressure roller; 62. Connecting rod; 63. Tension spring; 64. Slide plate; 641. Slide groove; 642. Stop block; 65. Fixing rod. Detailed Implementation
[0019] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.
[0020] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.
[0021] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.
[0022] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" or "several" means two or more, unless otherwise explicitly specified.
[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains.
[0024] Please refer to the following: Figures 1 to 2As shown, the following describes a gasket cutting machine provided in an embodiment of this application. The gasket cutting machine of this utility model includes a worktable 1, a cutting blade 2, a first drive unit 3, a second drive unit 4, a third drive unit 5, and a roller pressing assembly 6. The cutting blade 2 is either a laser cutting blade 2 or a vibratory cutting blade 2, both existing technologies, and is positioned above the worktable 1. The first drive unit 3 drives the cutting blade 2 to move along the Z-axis, the second drive unit 4 drives the first drive unit 3 to move along the X-axis, and the third drive unit 5 drives the second drive unit 4 to move along the Y-axis. The cutting blade 2 is moved along the X, Y, and Z axes by the first drive unit 3, the second drive unit 4, and the third drive unit 5 to cut the gasket. It should be noted that the first drive unit 3, the second drive unit 4, and the third drive unit 5 are all existing technologies, belonging to conventional technologies in the field of vibratory blade cutting or laser cutting machines. Their structure and working principle are widely used in automated equipment and will not be described in detail here.
[0025] In this embodiment, the third drive unit 5 includes side plates 51 slidably disposed on both sides of the worktable 1 in the width direction and a power unit (not shown in the figure) for driving the two side plates 51 to slide. The roller pressing assembly 6 is disposed at the lower part of the two side plates 51 for pressing the sealing gasket. It should be noted that the third drive unit 5 also includes a fixed plate fixed between the two side plates. The length direction of the fixed plate is parallel to the X-axis. The second drive unit 4 is slidably disposed on the fixed plate. The power unit is prior art and can drive the two side plates 51 to slide through a lead screw, motor and slider, which will not be described in detail here.
[0026] During implementation, the sealing gasket to be cut is placed on the workbench 1. The first drive unit 3, the second drive unit 4, and the third drive unit 5 drive the cutting blade 2 to a preset position, and then the cutting blade 2 is activated. At this time, the roller pressing assembly 6 under the side plate 51 presses the sealing gasket tightly. By setting the roller pressing assembly 6, displacement of the sealing gasket during the cutting process is prevented, avoiding deviations in cutting dimensions, ensuring cutting accuracy, and thus ensuring a good sealing effect after the gasket is installed, reducing safety hazards such as fluid leakage.
[0027] In this embodiment, the roller pressing assembly 6 includes two pressure rollers 61, four connecting rods 62, and four tension springs 63. The two pressure rollers 61 are arranged at intervals along the Y-axis of the worktable 1 (the axial direction of the two pressure rollers 61 is parallel to the X-axis) and are located on both sides of the cutting blade 2 for pressing the sealing gasket. The four connecting rods 62 are respectively arranged in pairs on the two side plates 51, that is, each side plate 51 is provided with two connecting rods 62. One end of the two connecting rods 62 on each side plate 51 is rotatably connected to the side plate 51, and the other end of the two connecting rods 62 extends downward in a direction away from each other and is rotatably connected to one end of the corresponding pressure roller 61. The four tension springs 63 are respectively arranged on the four connecting rods 62, that is, each connecting rod 62 is provided with a tension spring 63. The free end of the tension spring 63 is fixedly connected to the corresponding side plate 51 to pull the connecting rod 62 and prevent the pressure roller 61 connected to the connecting rod 62 from moving away from the side plate 51.
[0028] During implementation, when the side plate 51 moves to the appropriate position, the two pressure rollers 61, under their own weight and the tension of the tension spring 63, press against the sealing gasket. The two pressure rollers 61 are spaced apart on both sides of the cutting blade 2 along the Y-axis of the worktable 1. During the cutting process, as the cutting blade 2 moves, the pressure rollers 61 roll on the gasket surface, maintaining a constant pressure on the gasket. The two pressure rollers 61 spaced apart on both sides of the cutting blade 2 effectively press the sealing gasket during cutting, enhancing its fixation and preventing displacement due to uneven force during cutting. The tension spring 63 allows the pressure rollers 61 to better press the sealing gasket, while also accommodating gaskets of different thicknesses to a certain extent, ensuring the stability of the pressing force and improving cutting accuracy.
[0029] In this embodiment, a sliding plate 64 is slidably mounted on each side plate 51. Specifically, a slide rail 511 is vertically mounted on the side plate 51, and the sliding plate 64 has a groove 641 corresponding to the slide rail 511. The slide rail 511 and the groove 641 are slidably connected, and the sliding direction of the sliding plate 64 is parallel to the Z-axis. One end of each connecting rod 62 is rotatably connected to the corresponding sliding plate 64, and the other end is rotatably connected to the corresponding pressure roller 61. The first drive unit 3 is provided with a connecting part for driving the sliding plate 64 to move up and down. Thus, the sliding plate 64, the connecting rod 62 rotatably connected to the sliding plate 64, and the pressure roller 61 move up and down through the connecting part. Through the cooperation of the first drive unit 3 and the connecting part, the roller pressing assembly 6 is lifted after the cutting blade 2 has cut the sealing gasket, avoiding affecting the operator's movement of the sealing gasket.
[0030] It should be noted that, under normal conditions (when the connecting part lifts the roller assembly 6 until the pressure roller 61 is separated from the worktable 1), the horizontal height of the bottom end of the pressure roller 61 is lower than the horizontal height of the bottom end of the cutting blade 2. Therefore, when the cutting machine is working, because the horizontal height of the bottom end of the pressure roller 61 is lower than the horizontal height of the bottom end of the cutting blade 2, the pressure roller 61 has already pressed onto the sealing gasket before the cutting blade 2 contacts it, thus fixing the sealing gasket in place.
[0031] It should be noted that each slide plate 64 is provided with stop blocks 642 on both sides to prevent the connecting rod 62 from rotating towards the slide plate 64, so that the connecting rod 62 is kept in a proper position, and the two connecting rods 62 mounted on the same slide plate 64 are kept in a V-shape. In other words, when the first drive unit 3, in conjunction with the connecting part, drives the slide plate 64 upward to the point where the two pressure rollers 61 are disengaged from the worktable 1, the stop blocks 642 can restrict the two pressure rollers 61 from continuing to move towards the slide plate 64, so that the ends of the two connecting rods 62 away from the slide plate 64 always remain inclined downward in a direction away from each other (V-shape). In this way, when the first drive unit 3, in conjunction with the connecting part, drives the slide plate 64 downward, the two pressure rollers 61 abut against the sealing gasket, and can quickly and stably restore the effective pressing state of the sealing gasket.
[0032] In this embodiment, the first drive unit 3 is located between the two side plates 51. The connecting part includes a fixing rod 65. One end of the fixing rod 65 is fixedly connected to one of the slide plates 64, and the other end of the fixing rod 65 slides through the first drive unit 3 and is fixedly connected to the other slide plate 64. That is, the fixing rod 65 is slidably connected to the first drive unit 3. When the first drive unit 3 moves along the Z-axis, the fixing rod 65 drives the slide plate 64 to rise and fall, and the slide plate 64 then drives the pressure roller 61 to rise and fall through the connecting rod 62.
[0033] In a specific implementation of this utility model, the sealing gasket to be cut is placed on the workbench 1. At this time, the first drive unit 3 is in the initial state, that is, the roller pressing assembly 6 is in the lifted position, and the pressure roller 61 is detached from the workbench 1. Then, the first drive unit 3, the second drive unit 4, and the third drive unit 5 are activated to work together to move the cutting blade 2 to the preset cutting position. During this process, the first drive unit 3 moves downward along the Z-axis and drives the slide plate 64 to slide downward along the slide rail 511 on the side plate 51 through the fixed rod 65. During the downward movement of the slide plate 64, the pressure roller 61 is driven downward through the connecting rod 62. Because the horizontal height of the bottom end of the pressure roller 61 is lower than the horizontal height of the bottom end of the cutting blade 2, the pressure roller 61 will contact and press the sealing gasket first.
[0034] During the cutting process, as the cutting blade 2 moves along the X and Y axes, two pressure rollers 61, spaced apart on both sides of the cutting blade 2, roll on the gasket surface, maintaining constant pressure on the sealing gasket. The tension spring 63 allows the pressure rollers 61 to better press the sealing gasket and can adapt to gaskets of different thicknesses to a certain extent, ensuring the stability of the pressing force. After cutting, the fixed rod 65 drives the sliding plate 64 to slide upwards. The sliding plate 64 then drives the pressure rollers 61 upwards via the connecting rod 62, lifting the roller assembly 6 and disengaging the pressure rollers 61 from the sealing gasket. At this point, the operator can easily move the sealing gasket for the next operation or replace it with a new one to be cut.
[0035] This invention, by setting up a roller pressing assembly 6, ensures that the two pressure rollers 61 continuously press the sealing gasket during the cutting process, effectively preventing displacement of the sealing gasket and avoiding deviations in cutting dimensions, thus greatly improving cutting accuracy. By setting up a tension spring 63, the pressure rollers 61 can adapt to sealing gaskets of different thicknesses to a certain extent, ensuring effective pressing and fixing of the sealing gasket under different working conditions. Through the cooperation of the first drive part 3 and the connecting part, the roller pressing assembly 6 can be quickly lifted after cutting, avoiding interference with workers moving the sealing gasket and improving production efficiency. By setting up stop blocks 642 on both sides of the sliding plate 64, the pressure rollers 61 can quickly and stably return to an effective pressing state on the sealing gasket each time they descend, ensuring the stability and reliability of the entire cutting process.
[0036] It is understood that the parts in the above embodiments can be freely combined or deleted to form different combined embodiments. The specific contents of each combined embodiment will not be repeated here. After this description, it can be considered that the present utility model specification has recorded each combined embodiment and can support different combined embodiments.
[0037] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A gasket cutting machine, characterized in that, include: The system includes a worktable, a cutting blade mounted above the worktable, a first drive unit for moving the cutting blade along the Z-axis, a second drive unit for moving the first drive unit along the X-axis, and a third drive unit for moving the second drive unit along the Y-axis. The third drive unit includes side plates slidably mounted on both sides of the worktable in the width direction and a power unit for driving the two side plates to slide. The lower part of the two side plates is provided with a roller pressing assembly for pressing a sealing gasket.
2. The gasket cutting machine according to claim 1, characterized in that, The roller pressing assembly includes two pressure rollers for pressing the sealing gasket. The two pressure rollers are arranged at intervals along the Y-axis of the worktable and are located on both sides of the cutting blade. Each side plate is provided with two connecting rods. One end of each connecting rod is rotatably connected to the side plate, and the other end extends downward in a direction away from each other and is rotatably connected to one end of the corresponding pressure roller. Each connecting rod is provided with a tension spring, and the free end of the tension spring is fixedly connected to the corresponding side plate.
3. The gasket cutting machine according to claim 2, characterized in that, Each of the side plates is slidably mounted with a slide plate, the sliding direction of the slide plate is parallel to the Z-axis, each of the connecting rods is rotatably connected to the corresponding slide plate, and the first drive unit is provided with a connecting part for driving the slide plate to rise and fall.
4. The gasket cutting machine according to claim 3, characterized in that, The horizontal height of the bottom end of the pressure roller is lower than the horizontal height of the bottom end of the cutting blade.
5. The gasket cutting machine according to claim 4, characterized in that, The first drive unit is located between the two side plates, and the connecting part includes a fixing rod. One end of the fixing rod is fixedly connected to one of the slide plates, and the other end of the fixing rod slides through the first drive unit and is fixedly connected to the other slide plate.
6. The gasket cutting machine according to claim 5, characterized in that, A slide rail is vertically arranged on the side plate, and a slide groove is provided on the slide rail corresponding to the slide rail. The slide rail and the slide groove are slidably connected.
7. The gasket cutting machine according to claim 3, characterized in that, The two sides of the slide plate are provided with stop blocks to prevent the connecting rod from rotating toward the slide plate.
8. The gasket cutting machine according to claim 1, characterized in that, The cutting blade can be either a laser cutting blade or a vibratory cutting blade.