Plastic sheet leftover material cutting device

Abstract

The utility model discloses a plastic sheet leftover material cutting device which comprises a U-shaped handle and a telescopic unit, and the telescopic unit is arranged in the middle of the left end of the U-shaped handle. The electric heating cutting knife can be rapidly heated to a temperature suitable for cutting and easily penetrates through the plastic sheet; and the second cutting knife ensures the cutting accuracy and completeness under the assistance of the U-shaped springback plate. By means of the design, the cutting efficiency is remarkably improved, and waste in the cutting process is reduced; heating of the electric heating plate is accurately controlled through the controller, an operator can conveniently adjust the temperature of the cutting knife so as to adapt to plastic sheets of different materials and thicknesses, in addition, due to the design of the telescopic unit, the position of the cutting knife can be flexibly adjusted, different cutting requirements are met, and due to the functions, operation of the device is more convenient, rapid and flexible.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic product manufacturing, specifically to a plastic sheet leftover cutting device. BACKGROUND

[0002] In the plastic processing industry, the cutting of small leftover materials has always been an important link. However, traditional cutting methods often have problems such as low efficiency and insufficient safety. For example, when using a hand tool for cutting, not only is the cutting speed slow, but also hand injuries can easily occur due to improper operation. In addition, traditional cutting methods often fail to achieve ideal cutting results for plastic sheets of different materials and thicknesses.

[0003] To solve these problems, some cutting equipment with high automation has appeared on the market. However, these devices are often expensive and complex to operate, which is not friendly to small businesses and individual users. Therefore, it is particularly important to develop a device that is efficient, safe, easy to operate, and suitable for small leftover material cutting. SUMMARY

[0004] In view of the problems existing in the prior art, the utility model discloses a plastic sheet leftover cutting device, which adopts the technical scheme of comprising a U-shaped handle and a telescopic unit. The left end of the U-shaped handle is provided with a telescopic unit. The telescopic unit includes a first cutting knife, a sliding rod, a tightening screw, a moving frame, a sliding groove, and an electric heating plate. The first cutting knife is slidingly installed in a rectangular groove provided at the center of the left side of the U-shaped handle. The right end of the first cutting knife is fixedly connected with the electric heating plate provided inside the U-shaped handle. The left side of the electric heating plate is provided with a moving frame. The sliding holes provided at the upper and lower ends of the moving frame are slidingly installed with sliding rods, respectively. The left end of the sliding rod is fixedly connected with the inside left side of the U-shaped handle. The moving frame is slidingly installed in the sliding groove provided at the top left end of the U-shaped handle. A screw hole provided at the top center of the moving frame is threadedly installed with a tightening screw. The bottom of the tightening screw is in movable contact with the outside of the sliding rod.

[0005] As a preferred technical scheme of the utility model, the U-shaped handle is made of elastic metal material.

[0006] As a preferred technical scheme of the utility model, the U-shaped handle is made of elastic metal material.

[0007] As a preferred technical scheme of the utility model, the right end of the U-shaped handle is symmetrically provided with knife seats above and below. The knife seats are threadedly connected with the screw holes provided on the U-shaped handle through connecting bolts. The opposite knife seats are respectively provided with second cutting knives, and the second cutting knives are respectively located on the inside of the U-shaped handle.

[0008] As a preferred technical scheme of the utility model, it further comprises a U-shaped rebound plate and a pin shaft, the U-shaped rebound plate is arranged at the middle part of the inner side of the U-shaped handle, and the bottom center of the U-shaped rebound plate is rotationally connected with the bottom of the inner side of the U-shaped handle through the pin shaft.

[0009] As a preferred technical scheme of the utility model, it further comprises a controller, the controller is arranged at the left end of the upper surface of the U-shaped handle, the output end of the controller is electrically connected with the input end of the electric heating plate, and the input end of the controller is electrically connected with the output end of the external power supply.

[0010] The plastic sheet corner cutting device has the advantages that: the electric heating cutting knife and the second cutting knife are used in cooperation, so that the small corner materials can be efficiently cut, the electric heating cutting knife can be quickly heated to a suitable cutting temperature and easily penetrate the plastic sheet, the second cutting knife is assisted by the U-shaped rebound plate, and the cutting accuracy and integrity are ensured. The design significantly improves the cutting efficiency and reduces the waste in the cutting process. The controller is used for accurately controlling the heating of the electric heating plate, the operator can conveniently adjust the temperature of the cutting knife to adapt to plastic sheets with different materials and thicknesses, in addition, the position of the cutting knife can be flexibly adjusted through the design of the telescopic unit, different cutting requirements are met, and the operation of the device is more convenient and flexible. BRIEF DESCRIPTION OF DRAWINGS

[0011] Fig. 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Fig. 2 It is a schematic diagram of the side structure of the utility model;

[0013] Fig. 3 It is a schematic diagram of the cross-sectional structure of the utility model.

[0014] In the drawing: 1, U-shaped handle; 2, protection plate; 3, controller; 4, knife seat; 5, telescopic unit; 51, first cutting knife; 52, sliding rod; 53, clamping screw; 54, moving frame; 55, sliding groove; 56, electric heating plate; 6, second cutting knife; 7, U-shaped rebound plate; 8, pin shaft. DETAILED DESCRIPTION

[0015] Example 1

[0016] As Figs. 1 to 3The utility model discloses a kind of plastic sheet leftover material cutting devices, the technical solution used is, including U-shaped handle 1 and telescopic unit 5, U-shaped handle 1 is elastic metal material, the left end middle part of U-shaped handle 1 is provided with telescopic unit 5, telescopic unit 5 includes first cutting knife 51, sliding rod 52, tight screw 53, moving frame 54, sliding groove 55 and electric hot plate 56, first cutting knife 51 is slidably installed in the rectangular groove being set in the left side center of U-shaped handle 1, the right end of first cutting knife 51 is fixedly connected with the electric hot plate 56 being set in the inside of U-shaped handle 1, the left side of electric hot plate 56 is provided with moving frame 54, the sliding hole being set in the upper and lower ends of moving frame 54 is slidably installed with sliding rod 52 respectively, the left end of sliding rod 52 is fixedly connected with the inside left side of U-shaped handle 1, the top of moving frame 54 is slidably installed in the sliding groove 55 being set in the top left end of U-shaped handle 1, the screw hole being set in the top center of moving frame 54 is screw-threadedly installed with tight screw 53, the bottom of tight screw 53 and the outside of sliding rod 52 are movably contacted, operator adjusts moving frame 54 in telescopic unit 5, through the guiding effect of sliding rod 52 and sliding groove 55, so that first cutting knife 51 reaches predetermined cutting position, at this time, tight screw 53 is used to fix moving frame 54, ensure that cutting knife does not displace due to external force during cutting process, electric hot plate 56 sends heating signal, electric hot plate 56 starts heating, and heat is transferred to the first cutting knife 51 fixedly connected with it, so that the temperature of first cutting knife 51 gradually rises to the degree suitable for cutting plastic sheet, this step ensures that cutting knife can smoothly cut plastic sheet, also include protective plate 2, protective plate 2 is provided with two, protective plate 2 is respectively set in the left end of the front and back two sides of U-shaped handle 1, the setting of protective plate 2, especially its installation in the left end of the front and back two sides of U-shaped handle 1, effectively prevent the hand of operator from being scalded by electric hot plate 56 during operation process, enhance the security of operation, the right end of U-shaped handle 1 is symmetrically provided with tool rest 4 up and down, tool rest 4 is respectively connected in screw thread with the screw hole being set on U-shaped handle 1, the opposite of tool rest 4 is respectively provided with second cutting knife 6, and second cutting knife 6 is respectively located in the inside of U-shaped handle 1, also include U-shaped rebound plate 7 and pin shaft 8, U-shaped rebound plate 7 is set in the inside middle part of U-shaped handle 1, the bottom center of U-shaped rebound plate 7 is rotatably connected with the inside bottom of U-shaped handle 1 through pin shaft 8, the second cutting knife 6 of the other end of U-shaped handle also works in cooperation with U-shaped rebound plate 7, U-shaped rebound plate provides certain rebound force, helps second cutting knife 6 to cut plastic sheet better, also include controller 3, controller 3 is set in the left end of the upper surface of U-shaped handle 1, the output end of controller 3 is electrically connected with the input end of electric hot plate 56, the output end of external power supply is electrically connected with the input end of controller 3, through the setting of controller 3, it is convenient for controller 3 to open or close electric hot plate 56.

[0017] The working principle of this utility model is as follows: First, the operator needs to ensure that the plastic sheet to be cut is properly placed in the cutting area and ready to carry out the cutting operation. Then, the operator adjusts the movable frame 54 in the telescopic unit 5. Through the guiding action of the slide rod 52 and the slide groove 55, the first cutting blade 51 reaches the predetermined cutting position. At this time, the tightening screw 53 is used to fix the movable frame 54 to ensure that the cutting blade will not be displaced due to external force during the cutting process. The protective plate 2, especially its installation on the left end of both sides of the U-shaped handle 1, effectively prevents the operator's hands from being burned by the heating plate 56 during operation, enhancing operational safety. Next, the operator activates the controller 3, which receives power from an external power source and sends a heating signal to the heating plate 56. The heating plate 56 begins to heat up and transfers heat to the first cutting blade 51, which is fixedly connected to it, gradually raising the temperature of the first cutting blade 51 to a level suitable for cutting plastic sheets. This step ensures that the cutting blade can smoothly cut plastic sheets without poor cutting results due to insufficient temperature. The second cutting blade 6, located at the other end of the U-shaped handle, also works in conjunction with the U-shaped spring plate 7. The U-shaped spring plate provides a certain rebound force, helping the second cutting blade 6 to cut plastic sheets better. This design is particularly suitable for cutting small scraps and can significantly improve cutting efficiency.

[0018] The circuit connection involved in this utility model is a common method used by those skilled in the art, and technical inspiration can be obtained through a limited number of experiments. It belongs to the widely used prior art.

[0019] Components not described in detail in this article are existing technologies.

[0020] While the specific embodiments of this utility model have been described in detail above, this utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of this utility model. Modifications or variations that do not involve creative labor are still within the protection scope of this utility model.

Claims

1. A plastic sheet scrap cutting apparatus characterized by comprising: The utility model provides a cutting device, including U-shaped handle (1) and telescopic unit (5), the middle part of left end of U-shaped handle (1) is provided with telescopic unit (5), and telescopic unit (5) contains first cutting knife (51), sliding rod (52), top screw (53), moving frame (54), sliding slot (55) and electric hot plate (56), first cutting knife (51) is slidably installed in the rectangular groove that is arranged in the left side center of U-shaped handle (1), the right end of first cutting knife (51) is fixedly connected with the electric hot plate (56) that is arranged in the inside of U-shaped handle (1), the left side of electric hot plate (56) is provided with moving frame (54), the sliding hole that is arranged on the top and bottom ends of moving frame (54) is slidably installed with sliding rod (52) respectively, the left end of sliding rod (52) is fixedly connected with the inside left side of U-shaped handle (1), the top of moving frame (54) is slidably installed in the sliding slot (55) that is arranged in the top left end of U-shaped handle (1), the screw hole that is arranged in the top center of moving frame (54) is screwedly installed with top screw (53), and the bottom of top screw (53) is movably contacted with the outside of sliding rod (52).

2. The plastic sheet scrap cutting device according to claim 1, characterized in that: The U-shaped handle (1) is made of elastic metal material.

3. The plastic sheet scrap cutting device according to claim 1, wherein: The utility model also includes a protective plate (2), which is provided with two protective plates (2), and the protective plates (2) are arranged on the left ends of the front and rear sides of the U-shaped handle (1).

4. The plastic sheet scrap cutting device according to claim 1, wherein: The right end of the U-shaped handle (1) is symmetrically provided with a knife seat (4), the knife seat (4) is threadedly connected with the screw holes arranged on the U-shaped handle (1) through connecting bolts, and the opposite sides of the knife seat (4) are respectively provided with a second cutting knife (6), and the second cutting knives (6) are located on the inner sides of the U-shaped handle (1).

5. The apparatus of claim 1, wherein: The utility model also includes a U-shaped rebound plate (7) and a pin shaft (8), the U-shaped rebound plate (7) is arranged on the inner side of the middle part of the U-shaped handle (1), and the bottom center of the U-shaped rebound plate (7) is rotatably connected with the inner side bottom of the U-shaped handle (1) through the pin shaft (8).

6. The plastic sheet scrap cutting device according to claim 1, wherein: The utility model also includes a controller (3), which is arranged on the left end of the upper surface of the U-shaped handle (1), the output end of the controller (3) is electrically connected with the input end of the electric hot plate (56), and the input end of the controller (3) is electrically connected with the output end of the external power supply.

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