A high-efficiency device for cutting EPS foam boards

By designing a high-efficiency EPS foam board cutting device with a thermal cutting strip, a cutting strip cleaning component, and a limiting component, the problems of burrs and adhesion in the secondary cutting of EPS foam boards are solved, achieving a smooth cutting surface, high precision, and high efficiency.

CN224425830UActive Publication Date: 2026-06-30SUZHOU WANXING PLASTIC CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SUZHOU WANXING PLASTIC CO LTD
Filing Date
2025-08-04
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

When traditional EPS foam boards are cut a second time, the cutting tool is prone to producing burrs and unevenness, and the cutting strip of the portable hot cutting device is prone to sticking to the foam, affecting the cutting accuracy and efficiency.

Method used

Design a high-efficiency device that includes a thermal cutting strip, a cutting strip cleaning component, and a limiting component. The device uses a ring scraper to clean the foam residue adhering to the surface of the cutting strip in real time, and uses a micro servo motor and an infrared displacement sensor to precisely adjust the cutting parameters to ensure cutting accuracy and efficiency.

Benefits of technology

It achieves a smooth and neat cutting surface, improves cutting quality and precision, reduces manual cleaning steps, and significantly improves cutting efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the technical field of foam board cutting devices, and more particularly to a high-efficiency device for cutting EPS foam boards. It includes a stop block, a hot cutting strip, a power supply handle, a grip handle, a cutting strip cleaning component, and a limiting component. The hot cutting strip is located at the center of the front end of the stop block, and the power supply handle is located at the center of the rear end of the stop block. Limiting components are located on both sides of the stop block, each including two sets of telescopic arms and two sets of limiting plates. The cutting strip cleaning component is located in front of the power supply handle, including a cleaning push rod. The grip handle is located behind the power supply handle. This utility model provides an effective solution to the problem of foam residue sticking to the hot cutting strip by using the cutting strip cleaning component. It can clean the foam residue on the surface of the hot cutting strip in real time, avoiding the tedious steps of manual cleaning and reducing cutting interruption time caused by residue cleaning.
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Description

Technical Field

[0001] This utility model relates to the technical field of foam board cutting devices, and in particular to a high-efficiency device for cutting EPS foam boards. Background Technology

[0002] In industries such as building decoration and packaging, EPS foam boards are widely used due to their excellent properties such as light weight, heat insulation, and sound insulation. In practical applications, different projects have diverse requirements for the specifications and shapes of EPS foam boards, making on-site processing extremely critical. In order to better adapt EPS foam boards to various complex design requirements, it is often necessary to make fine adjustments to their shape according to the actual situation. Secondary cutting is an important means to achieve this goal. Currently, common secondary cutting methods mainly rely on knife cutting or portable hot cutting devices.

[0003] Traditional knife cutting or portable hot cutting devices have several drawbacks during use. First, when cutting with a knife, the relatively soft and resilient EPS foam board can easily result in rough edges and unevenness. Second, with portable hot cutting devices, the cutting strip often becomes sticky with foam after prolonged use, affecting cutting accuracy and making cleaning extremely tedious, which can reduce cutting efficiency.

[0004] Therefore, to address the problems existing in the traditional secondary cutting of EPS foam boards, a high-efficiency device for cutting EPS foam boards can be designed. By setting a sliding cutting strip cleaning component, a ring scraper can be used to clean the foam residue adhering to the surface of the cutting strip in real time, thereby improving cutting efficiency and facilitating the solution of the above problems. Summary of the Invention

[0005] To overcome the shortcomings of traditional EPS foam board secondary cutting, such as the tendency of blades to produce burrs and unevenness, and the tendency of portable hot cutting devices to have foam sticking to the cutting strip, affecting cutting accuracy and making cleaning extremely cumbersome and reducing cutting efficiency, this utility model provides a high-efficiency device for EPS foam board cutting.

[0006] The technical solution is as follows: A high-efficiency device for cutting EPS foam boards includes a hand stop block, a hot cutting strip, a power supply handle, a grip handle, a cutting strip cleaning component, and a limiting component; the front center of the hand stop block is provided with a hot cutting strip for hot cutting the foam board, the rear center of the hand stop block is provided with a power supply handle for powering the device, the two sides of the hand stop block are provided with limiting components for limiting the displacement of the foam board, the limiting components include two sets of telescopic arms and two sets of limiting plates, the front of the power supply handle is provided with a cutting strip cleaning component for cleaning the foam adhering to the hot cutting strip, the cutting strip cleaning component includes a cleaning push rod, and the rear of the power supply handle is provided with a grip handle for easy holding by the user.

[0007] Furthermore, the lower center of the hand stop block has an embedded groove, inside which a hot socket is installed. The hot socket has a socket hole in its center, and the upper end of the hot cutting strip extends into the socket hole. The upper end of the hot cutting strip has a hot plug corresponding to the socket hole.

[0008] Furthermore, the lower end of the power supply handle is provided with a first connecting block that is centered on the upper end of the connecting stop block, the front end of the power supply handle is provided with a push groove, the rear end of the power supply handle is provided with a battery embedding groove, a battery pack is installed inside the battery embedding groove, and the upper end of the power supply handle is provided with a second connecting block.

[0009] Furthermore, the upper end of the cleaning push rod is provided with a first extension rod, the end of the first extension rod away from the cleaning push rod extends into the inside of the push groove, the end of the first extension rod away from the cleaning push rod is provided with an anti-detachment push block corresponding to the push groove, the lower end of the cleaning push rod is provided with a second extension rod, the end of the second extension rod away from the cleaning push rod extends to the lower center of the stop block, the end of the second extension rod away from the cleaning push rod is provided with a receiving hole for accommodating the hot cutting strip, and an annular scraper that fits against the outer wall of the hot cutting strip is provided at the lower edge of the receiving hole.

[0010] Furthermore, the two sets of telescopic arms are connected to the hand stop block at their close ends, and both sets of telescopic arms are equipped with lead screws inside. A micro servo motor connected to the lead screw is located above the close ends of the two sets of telescopic arms, and a movable connecting seat is located at the far ends of the two sets of telescopic arms. The movable connecting seat has a movable hole inside.

[0011] Furthermore, both sets of limit plates are equipped with movable shafts at their upper ends, with both ends of the movable shafts extending into the interior of the movable holes. Each set of movable connecting seats has a limiter connected to one end of the movable shaft at its outer side, and infrared displacement sensors are attached to the opposite sides of both sets of limit plates.

[0012] Furthermore, the upper and lower ends of the grip are equipped with connecting rods. One end of each set of connecting rods is connected to the grip, and the other end of each set of connecting rods is connected to the first connecting block and the second connecting block, respectively.

[0013] The beneficial effects are as follows: Compared with the problems existing in the traditional secondary cutting of EPS foam boards, this application uses a thermal cutting strip to avoid the problems of burrs and unevenness caused by the soft and tough texture of EPS foam boards. The cut surface is smoother and neater, improving the cutting quality. The design of the limiting component can accurately adapt to the cutting needs of EPS foam boards of different widths and shapes. The length of the telescopic arm is precisely adjusted by the micro servo motor based on the position information fed back by the infrared displacement sensor. The movable shaft and movable hole cooperate to realize the flexible adjustment of the limiting plate angle. The limiter fixes the limiting plate angle, ensuring the stable limiting of the foam board during the cutting process and effectively improving the cutting accuracy. The setting of the cutting strip cleaning component provides an effective solution to the problem of foam residue sticking to the thermal cutting strip. The ring scraper can clean the foam residue on the surface of the thermal cutting strip in real time, avoiding the tedious steps of manual cleaning and reducing the cutting interruption time caused by cleaning residue, thereby significantly improving the cutting efficiency. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the high-efficiency foam board cutting device of this utility model;

[0015] Figure 2 This is a three-dimensional structural diagram of the thermal cutting strip of this utility model;

[0016] Figure 3 This is a three-dimensional structural diagram of the power supply handle and grip handle of this utility model;

[0017] Figure 4 This is a three-dimensional structural diagram of the cutting and cleaning component of this utility model;

[0018] Figure 5 This is a three-dimensional structural diagram of the limiting component of this utility model.

[0019] Explanation of reference numerals in the attached drawings: 1. Hand stop block; 101. Embedded groove; 102. Thermal socket; 103. Socket; 2. Thermal cutting strip; 201. Thermal plug; 3. Power supply handle; 301. First connecting block; 302. Push groove; 303. Second connecting block; 304. Battery embedding groove; 305. Battery pack; 306. Connecting rod; 4. Grip handle; 5. Cutting strip cleaning assembly; 501. Cleaning push rod; 502. First extension rod; 503. Anti-detachment push block; 504. Second extension rod; 505. Receiving hole; 506. Annular scraper; 6. Limiting assembly; 601. Telescopic arm; 602. Micro servo motor; 603. Movable connecting seat; 604. Movable hole; 605. Limiting plate; 606. Movable shaft; 607. Limiter; 608. Infrared displacement sensor. Detailed Implementation

[0020] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments. Example

[0021] like Figures 1-5 As shown, a high-efficiency device for cutting EP6 foam board includes a hand stop block 1, a hot cutting strip 2, a power supply handle 3, a grip handle 4, a cutting strip cleaning component 5, and a limiting component 6. The front center of the hand stop block 1 is provided with a hot cutting strip 2 for hot cutting the foam board, and the rear center of the hand stop block 1 is provided with a power supply handle 3 for powering the device. The two sides of the hand stop block 1 are provided with limiting components 6 for limiting the displacement of the foam board. The limiting components 6 include two sets of telescopic arms 601 and two sets of limiting plates 605. The front of the power supply handle 3 is provided with a cutting strip cleaning component 5 for cleaning the foam adhering to the hot cutting strip 2. The cutting strip cleaning component 5 includes a cleaning push rod 501. The rear of the power supply handle 3 is provided with a grip handle 4 for easy holding by the user.

[0022] The lower center of the hand stop block 1 has an embedded groove 101, and a hot socket 102 is installed inside the embedded groove 101. The center of the hot socket 102 has a socket 103. The upper end of the hot cutting strip 2 extends into the socket 103. The upper end of the hot cutting strip 2 has a hot plug 201 corresponding to the socket 103. Through the plug-in connection structure between the hot plug 201 and the hot socket 102, the hot cutting strip 2 can be quickly installed and removed. When the hot cutting strip 2 is worn, aged, or needs to be replaced with a hot cutting strip 2 of a different specification, it can be replaced without complicated tools, which greatly shortens the maintenance time.

[0023] The lower end of the power supply handle 3 is provided with a first connecting block 301 that is centered on the upper end of the connecting stop block 1. The front end of the power supply handle 3 is provided with a push groove 302, and the rear end of the power supply handle 3 is provided with a battery embedding groove 304. A battery pack 305 is installed inside the battery embedding groove 304. The upper end of the power supply handle 3 is provided with a second connecting block 303. The battery embedding groove 304 facilitates the quick replacement and installation of the battery pack 305, avoiding the constraints of traditional wired power supply, improving the portability of the device, and allowing operators to use it flexibly in different work scenarios.

[0024] The upper end of the cleaning push rod 501 is provided with a first extension rod 502. The end of the first extension rod 502 away from the cleaning push rod 501 extends into the push groove 302. The end of the first extension rod 502 away from the cleaning push rod 501 is provided with an anti-detachment push block 503 corresponding to the push groove 302. The lower end of the cleaning push rod 501 is provided with a second extension rod 504. The end of the second extension rod 504 away from the cleaning push rod 501 extends to the lower center of the stop block 1. The end of the second extension rod 504 away from the cleaning push rod 501 has a communal opening. The receiving hole 505 of the hot cutting strip 2 has an annular scraper 506 at the lower edge of the receiving hole 505 that fits against the outer wall of the hot cutting strip 2. Through the first extension rod 502, the push groove 302 and the anti-detachment push block 503 are used to make the cleaning push rod 501 slide stably and not easily fall off. When the annular scraper 506 moves with the cleaning push rod 501, it can fit against the outer wall of the hot cutting strip 2 in real time, effectively cleaning the sticky foam residue, avoiding the residue from affecting the cutting accuracy, reducing the tedious steps of manual cleaning, and thus significantly improving the cutting efficiency.

[0025] Two sets of telescopic arms 601 are connected to the stop block 1 at their near ends. Each set of telescopic arms 601 has a lead screw inside. A micro servo motor 602 connected to the lead screw is located above the near ends of the two sets of telescopic arms 601. Each set of telescopic arms 601 has a movable connecting seat 603 at its far ends. The movable connecting seat 603 has a movable hole 604 inside. The lead screw is rotated by the micro servo motor 602, which can precisely adjust the length of the telescopic arm 601 to meet the cutting needs of EPS foam boards of different widths. The movable connecting seat 603 and the movable hole 604 provide space for the angle adjustment of the limiting plate 605, so that the limiting component 6 can better adapt to the shape of the foam board, enhancing the flexibility and applicability of the device.

[0026] Both sets of limiting plates 605 have a movable shaft 606 at their upper ends, with both ends of the movable shaft 606 extending into the movable hole 604. Each set of movable connecting seats 603 has a limiter 607 connected to one end of the movable shaft 606 at its outer side. An infrared displacement sensor 608 (model Micro-Epsilon U3) is attached to the opposite side of each set of limiting plates 605. Through the cooperation of the movable shaft 606 and the movable hole 604, the limiting plate 605 can rotate flexibly, easily adapting to the tilting cutting requirements of the foam board. The limiter 607 can fix the angle of the limiting plate 605, ensuring stable positioning during cutting. The infrared displacement sensor 608 can monitor the relative position of the foam board and the limiting plate 605 in real time, providing timely feedback on the displacement.

[0027] The upper and lower ends of the grip handle 4 are provided with connecting rods 306. One end of the two sets of connecting rods 306 is connected to the grip handle 4, and the other end of the two sets of connecting rods 306 is connected to the first connecting block 301 and the second connecting block 303 respectively. The grip handle 4 and the power supply handle 3 are securely connected through the two sets of connecting rods 306, making it convenient for the staff to grip and operate.

[0028] During operation, the operator first installs the battery pack 305 into the battery embedding slot 304 at the rear end of the power supply handle 3, ensuring that the battery pack 305 is securely installed to provide power to the device. Next, the hot plug 201 at the upper end of the hot cutting strip 2 is inserted into the socket 103 of the hot socket 102 in the recessed slot 101 at the lower end of the stop block 1, completing the quick installation of the hot cutting strip 2. Then, the EPS foam board to be cut is placed on a suitable work platform. According to the width of the foam board, the operator controls the screw inside the telescopic arm 601 to rotate by controlling the micro servo motor 602, precisely adjusting the length of the two sets of telescopic arms 601 so that the two sets of limiting plates 605 can be located on both sides of the foam board. If the foam board needs to be cut at an angle, the operator can rotate the limiting plate 605 and adjust the limiting plate 605 to a suitable angle by rotating the movable shaft 606 in the movable hole 604. Then, the angle of the limiting plate 605 is fixed by the limiter 607 to ensure stable limiting during the cutting process.

[0029] The operator holds the handle 4 with both hands and cuts the foam board along the predetermined cutting path. During the cutting process, the infrared displacement sensor 608 monitors the relative position of the foam board and the limiting plate 605 in real time and feeds the displacement back to the operator to help maintain cutting accuracy. If foam residue is found to be stuck to the surface of the hot cutting strip 2 during the cutting process, the operator can push the first extension rod 502 at the upper end of the cleaning push rod 501 by hand. The first extension rod 502 slides in the push groove 302, driving the cleaning push rod 501 to move as a whole. The second extension rod 504 at the lower end of the cleaning push rod 501 moves accordingly. The annular scraper 506 at the edge of the receiving hole 505 at the lower end of the second extension rod 504 fits against the outer wall of the hot cutting strip 2 to scrape off the stuck foam residue, keeping the hot cutting strip 2 clean and ensuring cutting accuracy.

[0030] Its working principle is as follows: the battery pack 305 in the power supply handle 3 provides power to the device. The power is converted into heat energy through the hot socket 102, which heats up the hot cutting strip 2. When the hot cutting strip 2 reaches a suitable temperature, it can quickly heat the EPS foam board to its melting point when it comes into contact with it, thereby achieving cutting. The micro servo motor 602 is connected to the lead screw inside the telescopic arm 601. When the micro servo motor 602 drives the lead screw to rotate according to the position information fed back by the infrared displacement sensor 608, the rotational motion of the lead screw is converted into the linear motion of the telescopic arm 601, thereby achieving precise adjustment of the length of the telescopic arm 601. The movable hole 604 inside the movable connecting seat 603 cooperates with the movable shaft 606 on the limiting plate 605, so that the limiting plate 605 can flexibly... The limiter 607 is used to fix the angle of the limit plate 605 after rotation, ensuring the stability of the limit. The cleaning push rod 501 achieves stable sliding on the power supply handle 3 and is not easy to fall off through the cooperation of the first extension rod 502, the push groove 302 and the anti-detachment push block 503. The receiving hole 505 at the lower end of the second extension rod 504 is used to receive the thermal cutting strip 2. The annular scraper 506 is attached to the outer wall of the thermal cutting strip 2. When the cleaning push rod 501 moves, the annular scraper 506 moves with it to scrape off the foam residue adhering to the surface of the thermal cutting strip 2.

[0031] Its beneficial effects are significant. This application uses a thermal cutting method with a thermal cutting strip 2, avoiding the problems of burrs and unevenness caused by the soft and tough texture of EPS foam board. The cut surface is smoother and neater, improving the cutting quality. The design of the limiting component 6 can accurately adapt to the cutting needs of EPS foam boards of different widths and shapes. The micro servo motor 602 adjusts the length of the telescopic arm 601 precisely based on the position information fed back by the infrared displacement sensor 608. The movable shaft 606 and the movable hole 604 cooperate to realize the flexible adjustment of the angle of the limiting plate 605. The limiter 607 fixes the angle of the limiting plate 605, ensuring the stable positioning of the foam board during the cutting process and effectively improving the cutting accuracy. The setting of the cutting strip cleaning component 5 provides an effective solution to the problem of foam residue sticking to the thermal cutting strip 2. The annular scraper 506 can clean the foam residue on the surface of the thermal cutting strip 2 in real time, avoiding the tedious steps of manual cleaning and reducing the cutting interruption time caused by cleaning residue, thereby significantly improving the cutting efficiency.

Claims

1. A high-efficiency device for cutting EPS foam boards, comprising a hand stop block (1); characterized in that, It also includes a hot cutting strip (2), a power supply handle (3), a grip handle (4), a cutting strip cleaning component (5), and a limiting component (6); the front center of the stop block (1) is provided with a hot cutting strip (2) for hot cutting foam board, the rear center of the stop block (1) is provided with a power supply handle (3) for powering the device, the sides of the stop block (1) are provided with limiting components (6) for limiting the displacement of foam board, the limiting component (6) includes two sets of telescopic arms (601) and two sets of limiting plates (605), the front of the power supply handle (3) is provided with a cutting strip cleaning component (5) for cleaning the foam stuck to the hot cutting strip (2), the cutting strip cleaning component (5) includes a cleaning push rod (501), and the rear of the power supply handle (3) is provided with a grip handle (4) for easy gripping by the user.

2. The high-efficiency device for cutting EPS foam boards according to claim 1, characterized in that, The lower end of the hand stop block (1) has an embedded groove (101) at its center. A hot socket (102) is installed inside the embedded groove (101). A socket (103) is opened at the center of the hot socket (102). The upper end of the hot cutting strip (2) extends into the socket (103). The upper end of the hot cutting strip (2) is provided with a hot plug (201) corresponding to the socket (103).

3. The high-efficiency device for cutting EPS foam boards according to claim 2, characterized in that, The lower end of the power supply handle (3) is provided with a first connecting block (301) that is centered at the upper end of the connecting stop block (1). The front end of the power supply handle (3) is provided with a push groove (302). The rear end of the power supply handle (3) is provided with a battery embedding groove (304). A battery pack (305) is installed inside the battery embedding groove (304). The upper end of the power supply handle (3) is provided with a second connecting block (303).

4. The high-efficiency device for cutting EPS foam boards according to claim 3, characterized in that, The upper end of the cleaning push rod (501) is provided with a first extension rod (502). The end of the first extension rod (502) away from the cleaning push rod (501) extends into the interior of the push groove (302). The end of the first extension rod (502) away from the cleaning push rod (501) is provided with an anti-detachment push block (503) corresponding to the push groove (302). The lower end of the cleaning push rod (501) is provided with a second extension rod (504). The end of the second extension rod (504) away from the cleaning push rod (501) extends to the lower center of the stop block (1). The end of the second extension rod (504) away from the cleaning push rod (501) is provided with a receiving hole (505) for accommodating the hot cutting strip (2). The lower edge of the receiving hole (505) is provided with an annular scraper (506) that fits against the outer wall of the hot cutting strip (2).

5. The high-efficiency device for cutting EPS foam boards according to claim 2, characterized in that, The two sets of telescopic arms (601) are connected to the stop block (1) at their close ends. Both sets of telescopic arms (601) are equipped with lead screws inside. A micro servo motor (602) connected to the lead screw is located above the close ends of the two sets of telescopic arms (601). Both sets of telescopic arms (601) are equipped with movable connecting seats (603) at their far ends. Movable holes (604) are opened inside the movable connecting seats (603).

6. The high-efficiency device for cutting EPS foam boards according to claim 5, characterized in that, Both sets of limit plates (605) are provided with a movable shaft (606) at the upper end. Both ends of the movable shaft (606) extend into the interior of the movable hole (604). Both sets of movable connecting seats (603) are provided with a limiter (607) connected to one end of the movable shaft (606) at the outer end of one side. Both sets of limit plates (605) are provided with an infrared displacement sensor (608) attached to the opposite side.

7. The high-efficiency device for cutting EPS foam boards according to claim 3, characterized in that, The upper and lower ends of the grip handle (4) are provided with connecting rods (306). One end of the two sets of connecting rods (306) is connected to the grip handle (4), and the other end of the two sets of connecting rods (306) is connected to the first connecting block (301) and the second connecting block (303) respectively.