Accurate EVA sealing strip cutting machine
By designing a precision cutting machine for EVA sealing strips, and adopting an automatic fixing and quick disassembly and replacement structure, the problems of inconvenient cutting of EVA sealing strips and difficulty in replacing cutting blades in existing technologies have been solved, achieving efficient and convenient cutting results.
Patent Information
- Application Number
- CN202520536101.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-25
AI Technical Summary
Existing cutting machines are not easy to fix when cutting EVA sealing strips, which affects work efficiency. Furthermore, the cutting blade is difficult to disassemble and replace, resulting in wear and affecting the cutting effect.
An EVA sealing strip precision cutting machine was designed. It uses an L-shaped plate, a connecting plate, a lower pressure plate, a telescopic rod, a first spring, a rubber pad, a first baffle, and a second baffle to automatically fix the EVA sealing strip. The cutting blade can be quickly disassembled and replaced through the cooperation of a limiting groove, a mounting plate, a pin, and a limiting component.
It enables convenient fixing and efficient cutting of EVA sealing strips, improves work efficiency, and allows for quick replacement of the cutting blade, avoiding wear that could affect the cutting effect.
Smart Images
Figure CN223890069U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the technical field of precision cutting machine for EVA sealing strips, and in particular relates to a precision cutting machine for EVA sealing strips. Background Technology
[0002] EVA sealing strips have excellent elasticity, quickly returning to their original shape after being compressed, ensuring a long-term sealing effect. For example, when doors and windows are closed, they can effectively fill gaps and block outside air and dust.
[0003] Existing cutting machines often lack the ability to properly secure EVA sealing strips during cutting, requiring manual fixation, which is inconvenient and inefficient. Furthermore, the cutting blades on some existing machines are not easily disassembled, leading to wear and tear over time; failure to replace these blades can negatively impact cutting quality. Therefore, we propose a precision EVA sealing strip cutting machine. Utility Model Content
[0004] The purpose of this invention is to provide a precision cutting machine for EVA sealing strips to solve the problems mentioned in the background art.
[0005] In view of this, the present invention provides a precision cutting machine for EVA sealing strips, comprising:
[0006] The workbench has two first baffles and two second baffles fixedly installed on its top. An L-shaped plate is fixedly installed on the top of the workbench, and two electric push rods are fixedly installed at the bottom of the L-shaped plate. The output ends of the two electric push rods are fixedly installed with the same connecting plate. Two pressure plates are provided below the connecting plate. Two telescopic rods fixed to the connecting plate are fixedly installed on the top of the pressure plates. A first spring is sleeved on the telescopic rod. A limit groove is opened in the connecting plate, and an installation plate is inserted into the limit groove. A cutting blade is fixedly installed at the bottom of the installation plate. Two pins are inserted into the connecting plate and the installation plate.
[0007] Two sets of limiting components are located in the two pins respectively and are used to limit the movement of the two pins.
[0008] In this technical solution, during use, the operator can place the EVA sealing strip on top of the workbench, between the two second baffles, and then place the tail end of the EVA sealing strip between the two first baffles. Subsequently, depending on the required cutting length, the operator can drag one end of the EVA sealing strip to the designated position on the scale line. The 0 mark on the scale line is directly below the cutting end of the cutting blade. Then, the operator can activate the two electric push rods, causing their output shafts to extend simultaneously and drive the connecting plate downwards. The connecting plate will then drive the four telescopic rods downwards, which in turn will drive the two pressure plates downwards. The lower pressure plate will move downwards and enter between the two first baffles, and the other lower pressure plate will move downwards and enter between the two second baffles. Subsequently, the lower pressure plate will come into contact with the EVA sealing strip, and at the same time, the cutting end of the cutting blade will also come into contact with the position where the EVA sealing strip needs to be cut. At this time, the connecting plate continues to move downwards, and the telescopic rod and the first spring will be compressed and contracted. At this time, the lower pressure plate will come into close contact with the EVA sealing strip. At this time, the EVA sealing strip on both sides of the cutting blade will be fixed on the worktable, and the cutting blade will cut the EVA sealing strip. Furthermore, the cutting blade will enter the cutting groove to ensure that the EVA sealing strip can be completely cut off.
[0009] When the cutting blade needs to be replaced after prolonged use, the limiting component can be used to release the pin, allowing the pin to be lifted out of the connecting plate and mounting plate. After removing both pins, the mounting plate will be released, allowing it to be pulled out of the limiting groove. Then, the new cutting blade can be reinstalled.
[0010] In the above technical solution, the limiting component further includes:
[0011] A slide groove is formed inside a pin, and a slider is slidably installed inside the slide groove. One end of the slider passes through one side of the slide groove and extends to the outside, while the other end of the slider is fixedly installed with a second spring that is tightly welded to the inner wall of the slide groove.
[0012] In this technical solution, when the cutting blade needs to be replaced after long-term use, the operator can press the slider by hand to retract it into the slide groove. At this time, the second spring will be compressed and contracted. After the slider is fully inserted into the slide groove, the pin can be lifted to remove it from the connecting plate and the mounting plate. After removing both pins, the mounting plate will be released from its fixation. Then, the mounting plate can be pulled out of the limiting groove, and the new cutting blade can be reinstalled.
[0013] In the above technical solution, one end of the slider is slidably connected to the pin, and the top of the slider is in contact with the bottom of the connecting plate.
[0014] In this technical solution, it is ensured that one end of the slider can slide within the pin, so that the slider can limit the pin and prevent the pin from moving upward.
[0015] In the above technical solution, a rubber pad is further fixedly installed at the bottom of the lower pressure plate, and the two ends of the first spring are respectively tightly welded to the bottom of the connecting plate and the top of the lower pressure plate.
[0016] In this technical solution, the rubber pad is made of a relatively soft material, which can avoid damage to the EVA sealing strip and ensure the structural stability of the first spring.
[0017] In the above technical solution, furthermore, the bottom of the cutting blade and the bottom of the rubber pad are located on the same horizontal line.
[0018] In this technical solution, the rubber pad is ensured to fix the EVA sealing strip when it comes into contact with it, and then the cutting blade can cut it directly, resulting in a better fixed cutting effect.
[0019] In the above technical solution, the two electric push rods are further electrically connected.
[0020] In this technical solution, it is ensured that both electric actuators can be activated simultaneously, so that the output ends of both electric actuators can extend at the same time.
[0021] In the above technical solution, the cutting blade is located directly above the cutting groove, and the cutting groove is located between the two first baffles and the second baffle.
[0022] In this technical solution, it is ensured that the cutting blade can enter the cutting groove and completely cut the EVA sealing strip, and that the position where the EVA sealing strip needs to be cut is located directly above the cutting groove.
[0023] In the above technical solution, further, the top of the workbench and located between the two first baffles are engraved with scale lines, and the workbench is provided with a cutting groove.
[0024] In this technical solution, the length of the EVA sealing strip can be observed through the scale lines, ensuring that the cutting blade can enter the cutting groove and thus completely cut the EVA sealing strip.
[0025] The beneficial effects of this utility model are:
[0026] 1. This precision EVA sealing strip cutting machine, through the cooperation of the L-shaped plate, connecting plate, lower pressure plate, telescopic rod, first spring, rubber pad, first baffle and second baffle, eliminates the need for manual fixing of the EVA sealing strip. It can fix the EVA sealing strip simultaneously, making it more convenient to use and improving work efficiency.
[0027] 2. This precision EVA sealing strip cutting machine, through the cooperation of the set limiting groove, mounting plate, pin and limiting components, ensures that the cutting blade can be quickly disassembled and replaced, avoiding wear on the cutting blade and affecting the efficiency of cutting EVA sealing strips. Attached Figure Description
[0028] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0029] Figure 2 This is a schematic diagram of the internal structure of the connecting plate in this utility model;
[0030] Figure 3 This is a schematic diagram of the internal structure of the pin in this utility model;
[0031] Figure 4 This is a schematic diagram of the connecting plate in this utility model;
[0032] Figure 5 This is a schematic diagram of the regional structure of the workbench in this utility model;
[0033] Figure 6 This utility model Figure 5 Enlarged structural diagram at point A in the middle.
[0034] The markings in the diagram are as follows:
[0035] 1. Workbench; 2. First baffle; 3. L-shaped plate; 4. Second baffle; 5. Electric push rod; 6. Connecting plate; 7. Lower pressure plate; 8. Limiting groove; 9. First spring; 10. Rubber pad; 11. Cutting groove; 12. Telescopic rod; 13. Pin; 14. Cutting knife; 15. Mounting plate; 16. Slide groove; 17. Second spring; 18. Slider; 19. Scale line. Detailed Implementation
[0036] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.
[0037] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.
[0038] It should be noted that the terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and are not limited in number; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.
[0039] It should be noted that in the description of this application, the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" 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. Unless otherwise stated, these directional terms 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, and therefore should not be construed as a limitation on the scope of protection of this application. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.
[0040] It should be noted that, in this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.
[0041] Example 1:
[0042] Please see Figure 1 - Figure 6 As shown, this embodiment provides a precision cutting machine for EVA sealing strips, including:
[0043] Workbench 1, with two first baffles 2 and two second baffles 4 fixedly installed on the top of workbench 1, an L-shaped plate 3 fixedly installed on the top of workbench 1, two electric push rods 5 fixedly installed on the bottom of L-shaped plate 3, the output ends of the two electric push rods 5 fixedly installed with the same connecting plate 6, two pressure plates 7 provided below the connecting plate 6, two telescopic rods 12 fixed to the connecting plate 6 fixedly installed on the top of the pressure plates 7, a first spring 9 sleeved on the telescopic rods 12, a limit groove 8 opened in the connecting plate 6, an installation plate 15 inserted into the limit groove 8, a cutting blade 14 fixedly installed at the bottom of the installation plate 15, and two pins 13 inserted into the connecting plate 6 and the installation plate 15.
[0044] Two sets of limiting components are located in the two pins 13 respectively, and are used to limit the two pins 13.
[0045] In operation, the operator places the EVA sealing strip on top of the workbench 1, between the two second baffles 4. Then, the tail end of the EVA sealing strip is placed between the two first baffles 2. Following the required cutting length, the operator drags one end of the EVA sealing strip to the designated position on the scale line 19. The 0 mark on the scale line 19 is directly below the cutting end of the cutting blade 14. The operator then activates the two electric push rods 5, causing their output shafts to extend simultaneously and move the connecting plate 6 downwards. The connecting plate 6 then moves the four telescopic rods 12 downwards, which in turn move the two pressure plates 7 downwards. One of the pressure plates 7... The plate will move downward and enter between the two first baffles 2, and the other pressure plate 7 will move downward and enter between the two second baffles 4. Subsequently, the pressure plate 7 will contact the EVA sealing strip, and at the same time, the cutting end of the cutting blade 14 will also contact the position where the EVA sealing strip needs to be cut. At this time, the connecting plate 6 continues to move downward, and the telescopic rod 12 and the first spring 9 will be compressed and contracted. At this time, the pressure plate 7 will be in close contact with the EVA sealing strip. At this time, the EVA sealing strip on both sides of the cutting blade 14 will be fixed on the worktable 1, and the cutting blade 14 will cut the EVA sealing strip. Furthermore, the cutting blade 14 will enter the cutting groove 11 to ensure that the EVA sealing strip can be completely cut off.
[0046] When the cutting blade 14 needs to be replaced after long-term use, the limiting component can be used to release the pin 13 from its fixation. Then, the pin 13 can be lifted to pull it out from the connecting plate 6 and the mounting plate 15. After both pins 13 are removed, the mounting plate 15 will be released from its fixation. Then, the mounting plate 15 can be pulled out from the limiting groove 8, and the new cutting blade 14 can be reinstalled.
[0047] Example 2:
[0048] This embodiment provides a precision cutting machine for EVA sealing strips. In addition to the technical solutions described in the above embodiments, it also has the following technical features, including a limiting component:
[0049] The slide 16 is formed inside the pin 13. A slider 18 is slidably installed inside the slide 16. One end of the slider 18 passes through one side of the slide 16 and extends to the outside. The other end of the slider 18 is fixedly installed with a second spring 17 that is tightly welded to the inner wall of the slide 16.
[0050] When the cutting blade 14 needs to be replaced after prolonged use, the operator can press the slider 18 by hand to retract it into the slide groove 16. At this time, the second spring 17 will be compressed and contract. After the slider 18 is fully inserted into the slide groove 16, the pin 13 can be lifted to remove it from the connecting plate 6 and the mounting plate 15. After removing both pins 13, the mounting plate 15 will be released from its fixation. Then, the mounting plate 15 can be pulled out from the limiting groove 8, and the new cutting blade 14 can be reinstalled.
[0051] Example 3:
[0052] This embodiment provides a precision cutting machine for EVA sealing strips. In addition to the technical solutions of the above embodiments, it also has the following technical features: one end of the slider 18 is slidably connected to the pin 13, and the top of the slider 18 is in contact with the bottom of the connecting plate 6.
[0053] Specifically, it is ensured that one end of the slider 18 can slide within the pin 13, so that the slider 18 can limit the pin 13 and prevent the pin 13 from moving upward.
[0054] Example 4:
[0055] This embodiment provides an EVA sealing strip precision cutting machine. In addition to the technical solutions of the above embodiments, it also has the following technical features: a rubber pad 10 is fixedly installed at the bottom of the lower pressure plate 7, and the two ends of the first spring 9 are tightly welded to the bottom of the connecting plate 6 and the top of the lower pressure plate 7, respectively.
[0056] The rubber pad 10 is made of a relatively soft material, which can avoid damaging the EVA sealing strip and ensure the structural stability of the first spring 9.
[0057] Example 5:
[0058] This embodiment provides a precision cutting machine for EVA sealing strips. In addition to the technical solutions of the above embodiments, it also has the following technical features: the bottom of the cutting blade 14 and the bottom of the rubber pad 10 are located on the same horizontal line.
[0059] Specifically, the rubber pad 10 is designed to secure the EVA sealing strip when it comes into contact with it, allowing the cutting blade 14 to cut it directly, resulting in a better fixed-cutting effect.
[0060] Example 6:
[0061] This embodiment provides a precision cutting machine for EVA sealing strips. In addition to the technical solutions of the above embodiments, it also has the following technical features: two electric push rods 5 are electrically connected.
[0062] Specifically, it is ensured that both electric actuators 5 can be started simultaneously, so that the output ends of both electric actuators 5 can extend at the same time.
[0063] Example 7:
[0064] This embodiment provides a precision cutting machine for EVA sealing strips. In addition to the technical solutions of the above embodiments, it also has the following technical features: the cutting blade 14 is located directly above the cutting groove 11, and the cutting groove 11 is located between the two first baffles 2 and the second baffle 4.
[0065] Specifically, it is ensured that the cutting blade 14 can enter the cutting groove 11 and completely cut the EVA sealing strip, and that the position where the EVA sealing strip needs to be cut is located directly above the cutting groove 11.
[0066] Example 8:
[0067] This embodiment provides a precision cutting machine for EVA sealing strips. In addition to the technical solutions of the above embodiments, it also has the following technical features: the top of the worktable 1 and located between the two first baffles 2 are engraved with scale lines 19, and the worktable 1 is provided with a cutting groove 11.
[0068] Specifically, it is ensured that the length of the cut EVA sealing strip can be observed through the scale line 19, and that the cutting blade 14 can enter the cutting groove 11, so as to completely cut the EVA sealing strip.
[0069] Working principle: During use, the operator places the EVA sealing strip on top of the workbench 1, between the two second baffles 4. Then, the tail end of the EVA sealing strip is placed between the two first baffles 2. Next, depending on the required cutting length, the operator drags one end of the EVA sealing strip to the designated position on the scale line 19. The 0 mark on the scale line 19 is directly below the cutting end of the cutting blade 14. Then, the operator activates the two electric push rods 5, causing their output shafts to extend simultaneously and drive the connecting plate 6 downwards. The connecting plate 6 then drives the four telescopic rods 12 downwards, which in turn drive the two lower pressure plates 7 downwards. One of the lower pressure plates 7 moves downwards and enters the space between the two first baffles 2, while the other lower pressure plate... 7 will move downwards and enter between the two second baffles 4. Subsequently, the rubber pad 10 at the bottom of the pressure plate 7 will contact the EVA sealing strip, and at the same time, the cutting end of the cutting blade 14 will also contact the position where the EVA sealing strip needs to be cut. At this time, the connecting plate 6 continues to move downwards. At this time, the telescopic rod 12 and the first spring 9 will be compressed and contract. At this time, the rubber pad 10 at the bottom of the pressure plate 7 will be in close contact with the EVA sealing strip. Under the action of the rubber pad 10, the material of the rubber pad 10 is relatively soft, which can avoid damage to the EVA sealing strip. At this time, the EVA sealing strip on both sides of the cutting blade 14 will be fixed on the worktable 1, and the cutting blade 14 will cut the EVA sealing strip. Furthermore, the cutting blade 14 will enter the cutting groove 11 to ensure that the EVA sealing strip can be completely cut off.
[0070] When the cutting blade 14 needs to be replaced after prolonged use, the operator can press the slider 18 by hand to retract it into the slide groove 16. At this time, the second spring 17 will be compressed and contracted. After the slider 18 is fully inserted into the slide groove 16, the pin 13 can be lifted to remove it from the connecting plate 6 and the mounting plate 15. After removing both pins 13, the mounting plate 15 will be released from its fixation. Then, the mounting plate 15 can be pulled out from the limiting groove 8, and the new cutting blade 14 can be reinstalled.
[0071] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.
Claims
1. A precision cutting machine for EVA sealing strips, characterized in that, include: A workbench (1) is provided with two first baffles (2) and two second baffles (4) fixedly installed on the top of the workbench (1). An L-shaped plate (3) is fixedly installed on the top of the workbench (1). Two electric push rods (5) are fixedly installed on the bottom of the L-shaped plate (3). The output ends of the two electric push rods (5) are fixedly installed with the same connecting plate (6). Two pressure plates (7) are provided below the connecting plate (6). Two telescopic rods (12) fixed to the connecting plate (6) are fixedly installed on the top of the pressure plates (7). A first spring (9) is sleeved on the telescopic rods (12). A limit groove (8) is opened in the connecting plate (6). An installation plate (15) is inserted into the limit groove (8). A cutting blade (14) is fixedly installed on the bottom of the installation plate (15). Two pins (13) are inserted into the connecting plate (6) and the installation plate (15). Two sets of limiting components, each set of the limiting components being located within two pins (13).
2. The precision cutting machine for EVA sealing strips according to claim 1, characterized in that, The limiting component includes: A slide (16) is formed in the pin (13). A slider (18) is slidably installed in the slide (16). One end of the slider (18) passes through one side of the slide (16) and extends to the outside. The other end of the slider (18) is fixedly installed with a second spring (17) that is tightly welded to the inner wall of the slide (16).
3. The precision cutting machine for EVA sealing strips according to claim 2, characterized in that, One end of the slider (18) is slidably connected to the pin (13), and the top of the slider (18) is in contact with the bottom of the connecting plate (6).
4. The precision cutting machine for EVA sealing strips according to claim 1, characterized in that, A rubber pad (10) is fixedly installed at the bottom of the lower pressure plate (7), and the two ends of the first spring (9) are tightly welded to the bottom of the connecting plate (6) and the top of the lower pressure plate (7), respectively.
5. The precision cutting machine for EVA sealing strips according to claim 1, characterized in that, The bottom of the cutting blade (14) is at the same horizontal level as the bottom of the rubber pad (10).
6. The precision cutting machine for EVA sealing strips according to claim 1, characterized in that, The two electric actuators (5) are electrically connected.
7. The precision cutting machine for EVA sealing strips according to claim 1, characterized in that, The cutting blade (14) is located directly above the cutting groove (11), which is located between the two first baffles (2) and the second baffle (4).
8. The precision cutting machine for EVA sealing strips according to claim 1, characterized in that, The workbench (1) has a scale line (19) engraved on its top and between the two first baffles (2), and a cutting groove (11) is provided on the workbench (1).