Cutting device for processing foamed plastic for railway vehicle

Abstract

The utility model discloses a cutting device for processing foam plastics for railway vehicles, which comprises a bedplate, a rotating shaft is rotatably mounted on the bedplate, a batten is fixedly mounted at the top of the rotating shaft above the bedplate, a placing plate capable of horizontally moving is mounted at the top of the batten, and a cutting device is mounted on the bedplate. A baffle used for limiting foamed plastic is fixedly installed on one side of the containing plate, an inverted-U-shaped large frame is installed at the top of the table plate, an electric heating wire is installed between the two ends of the inner side of the inverted-U-shaped large frame, and a supporting plate flush with the containing plate is fixedly installed at the top of the table plate; the cutting device has the function of adjusting the cutting angle, foamed plastic can be cut at different angles according to use requirements, meanwhile, the cutting device can move the cut foamed plastic, and the foamed plastic can be stably and accurately cut.

Description

Technical Field

[0001] The utility model belongs to the technical field of foam plastic cutting, in particular to a cutting device for processing foam plastic for rail vehicles. Background Art

[0002] Foam plastics are a type of polymer material formed by a large number of gas micropores dispersed in solid plastics. They have the characteristics of light weight, heat insulation, sound absorption, shock absorption, etc., and their dielectric properties are better than those of base resins. They are widely used. Almost all kinds of plastics can be made into foam plastics. Foam molding has become an important field in plastic processing. Foam plastics need to be cut according to usage requirements during the processing. In order to ensure the cutting speed and flatness of the foam plastics, electric heating wire hot cutting method is used to cut the foam plastics. However, the existing electric heating wire hot cutting equipment cannot cut the foam plastics at different angles according to usage requirements when in use, resulting in cutting defects. Therefore, improvements are needed to address the above problems. Utility Model Content

[0003] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cutting device for processing foam plastics for rail vehicles, comprising a table top, a rotating shaft is rotatably installed on the table top, a slat is fixedly installed on the top of the rotating shaft above the table top, a horizontally movable placement plate is installed on the top of the slat, a baffle for limiting the position of the foam plastic is fixedly installed on one side of the placement plate, an inverted U-shaped large frame is installed on the top of the table top, an electric heating wire is installed between the two ends of the inner side of the inverted U-shaped large frame, and a support plate flush with the placement plate is fixedly installed on the top of the table top.

[0004] Preferably, the rotating shaft is located at the bottom below the table and is fixedly connected to a worm gear, the bottom of the table is rotatably connected to a worm that meshes with the worm gear, one end of the worm is fixedly connected to an adjusting wheel, a circular angle measuring ruler is fixedly installed on the top of the table, a scale pointer is fixedly connected to one end of the bottom of the slat, and the scale pointer is located directly above the circular angle measuring ruler.

[0005] Preferably, a slide groove is provided at the top of the slat, a first slide rod is fixedly connected inside the slide groove, a slider is movably sleeved on the surface of the first slide rod, the top of the slider is fixedly connected to the bottom of the placement plate, four supporting feet are fixedly connected to the bottom of the placement plate, and ball bearings that contact the top of the table top are installed at the bottom of the supporting feet.

[0006] Preferably, a vertical groove is provided in the middle of the inner side of the inverted U-shaped large frame, a second slide rod is installed in the middle of the vertical groove, a sliding bar is slidably installed on the surface of the second slide rod, a connecting pin is installed at one end of the sliding bar, an extrusion block is rotatably connected to the surface of the connecting pin, a return spring is connected between the middle parts of the two extrusion blocks, and concave arc grooves are provided at the ends of the opposite sides of the two extrusion blocks, and the electric heating wire is located between the two concave arc grooves.

[0007] Compared with the prior art, the beneficial effects of the utility model are as follows: by providing a table, a rotating shaft, slats, a placement plate, a baffle, an inverted U-shaped large frame, an electric heating wire and a support plate, the cutting device has an adjustable cutting angle function, so that the foam plastic can be cut at different angles according to the use requirements, and at the same time, the cutting device can move the cut foam plastic, so that the foam plastic can be cut stably and accurately, and the cutting device has a simple structural design, is convenient and quick to use and operate, and the cutting process is stable and reliable, and its performance can meet the use requirements of foam plastic processing and cutting. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0009] In the attached picture:

[0010] Figure 1 This is a schematic diagram of the structure of a cutting device for processing foam plastics for rail vehicles according to the utility model;

[0011] Figure 2 For this utility model Figure 1 A schematic diagram of a partial cross-sectional structure;

[0012] Figure 3 For this utility model Figure 1 Schematic diagram of the local structure;

[0013] Figure 4 For this utility model Figure 3 A schematic diagram of a partial top view structure;

[0014] In the figure: 1. table; 2. rotating shaft; 3. slats; 4. placing plate; 5. baffle; 6. inverted U-shaped large frame; 7. electric heating wire; 8. support plate; 9. worm gear; 10. worm; 11. adjusting wheel; 12. circular angle measuring ruler; 13. scale pointer; 14. slide groove; 15. first slide bar; 16. slider; 17. supporting foot; 18. ball bearing; 19. vertical groove; 20. second slide bar; 21. sliding bar; 22. connecting pin; 23. extrusion block; 24. concave arc groove; 25. reset spring. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0016] The cutting device has a function of adjusting the cutting angle, so that the foam plastic can be cut at different angles according to the use requirements. At the same time, the cutting device can move the cut foam plastic, so that the foam plastic can be cut stably and accurately.

[0017] Depend on Figures 1 to 4 The utility model includes a table 1, a rotating shaft 2 is rotatably installed on the table 1, a slat 3 is fixedly installed on the top of the rotating shaft 2 located above the table 1, a horizontally movable placement plate 4 is installed on the top of the slat 3, a baffle 5 for limiting the position of the foam plastic is fixedly installed on one side of the placement plate 4, an inverted U-shaped large frame 6 is installed on the top of the table 1, an electric heating wire 7 is installed between the two ends of the inner side of the inverted U-shaped large frame 6, a support plate 8 flush with the placement plate 4 is fixedly installed on the top of the table 1, and the setting of the support plate 8 can support the cutting end of the foam plastic, the inverted U-shaped large frame 6 A vertical groove 19 is provided in the middle of the inner side, a second slide bar 20 is installed in the middle of the vertical groove 19, a slide bar 21 is slidably installed on the surface of the second slide bar 20, a connecting pin 22 is installed at one end of the slide bar 21, an extrusion block 23 is rotatably connected to the surface of the connecting pin 22, a return spring 25 is connected between the middle parts of the two extrusion blocks 23, and concave arc grooves 24 are provided at the ends of the opposite sides of the two extrusion blocks 23, the electric heating wire 7 is located between the two concave arc grooves 24, so that the melted foam plastic on the surface of the electric heating wire 7 can be cleaned, thereby ensuring the cutting quality of the electric heating wire 7;

[0018] By squeezing the two squeezing blocks 23, the two concave arc grooves 24 clamp the electric heating wire 7, and then the sliding bar 21 is moved up and down, so that the sliding bar 21 drives the two squeezing blocks 23 to move up and down, so that the two squeezing blocks 23 clean the melted foam plastic on the surface of the electric heating wire 7 through the concave arc grooves 24.

[0019] The rotating shaft 2 is located at the bottom below the table 1 and is fixedly connected to a worm wheel 9. The bottom of the table 1 is rotatably connected to a worm 10 meshing with the worm wheel 9. One end of the worm 10 is fixedly connected to an adjusting wheel 11. A circular angle measuring ruler 12 is fixedly installed on the top of the table 1. The rotating shaft 2 is located at the axis of the circular angle measuring ruler 12. One end of the bottom of the slat 3 is fixedly connected to a scale pointer 13. The scale pointer 13 is located just above the circular angle measuring ruler 12, and the scale pointer 13 is installed with the rotating shaft 2 as the axis, so that the adjustment angle can be accurately controlled.

[0020] The worm 10 is rotated by adjusting the wheel 11, and the rotation of the worm 10 will transmit the power to the worm wheel 9 and drive the rotating shaft 2 to rotate. The rotation of the rotating shaft 2 will drive the slats 3, the placement plate 4 and the scale pointer 13 to rotate. The scale pointer 13 can accurately adjust the angle of the placement plate 4 through the scale pointer on the circular angle measuring ruler 12.

[0021] A slide groove 14 is provided at the top of the slat 3, a first slide rod 15 is fixedly connected inside the slide groove 14, a slider 16 is movably sleeved on the surface of the first slide rod 15, the top of the slider 16 is fixedly connected to the bottom of the placement plate 4, four supporting feet 17 are fixedly connected to the bottom of the placement plate 4, and a ball bearing 18 in contact with the top of the table 1 is installed at the bottom of the supporting feet 17, so that the placement plate 4 can be effectively moved;

[0022] When in use, the foam plastic is placed on the top of the placement plate 4 and the baffle 5 is used to limit the foam plastic. At the same time, the placement plate 4 is rotated by rotating the rotating shaft 2 to tilt the foam plastic, so that the cutting end of the foam plastic is adjusted at an angle. Then, the placement plate 4 and the foam plastic are pushed to make the slider 16 slide inside the slide groove 14 and on the surface of the first slide rod 15, and finally the tilted foam plastic is moved toward the electric heating wire 7 and cut by the heated electric heating wire 7, so that the foam plastic can be cut at different angles.

[0023] The cutting device has a simple structural design, is convenient to use and operate, and has stable and reliable cutting processing. Its performance can meet the use requirements of foam plastic processing and cutting.

Claims

1. A cutting device for processing foam plastics for rail vehicles, comprising a table (1), characterized in that: A rotating shaft (2) is rotatably mounted on the table (1); a slat (3) is fixedly mounted on the top of the rotating shaft (2) located above the table (1); a horizontally movable placement plate (4) is mounted on the top of the slat (3); a baffle (5) for limiting the position of foam plastic is fixedly mounted on one side of the placement plate (4); an inverted U-shaped large frame (6) is mounted on the top of the table (1); an electric heating wire (7) is mounted between the two ends of the inner side of the inverted U-shaped large frame (6); and a support plate (8) flush with the placement plate (4) is fixedly mounted on the top of the table (1).

2. A cutting device for processing foam plastics for rail vehicles according to claim 1, characterized in that: The bottom of the rotating shaft (2) located below the table (1) is fixedly connected to a worm gear (9), the bottom of the table (1) is rotatably connected to a worm (10) meshing with the worm gear (9), one end of the worm (10) is fixedly connected to an adjusting wheel (11), a circular angle measuring ruler (12) is fixedly installed on the top of the table (1), and a scale pointer (13) is fixedly connected to one end of the bottom of the slat (3), and the scale pointer (13) is located directly above the circular angle measuring ruler (12).

3. A cutting device for processing foam plastics for rail vehicles according to claim 2, characterized in that: The top of the slat (3) is provided with a slide groove (14), the interior of the slide groove (14) is fixedly connected with a first slide rod (15), the surface of the first slide rod (15) is movably sleeved with a slider (16), the top of the slider (16) is fixedly connected to the bottom of the placement plate (4), the bottom of the placement plate (4) is fixedly connected with four supporting feet (17), and the bottoms of the supporting feet (17) are all equipped with balls (18) that contact the top of the table (1).

4. A cutting device for processing foam plastics for rail vehicles according to claim 1, characterized in that: A vertical groove (19) is provided in the middle of the inner side of the inverted U-shaped large frame (6), a second slide bar (20) is installed in the middle of the vertical groove (19), a sliding bar (21) is slidably installed on the surface of the second slide bar (20), a connecting pin (22) is installed at one end of the sliding bar (21), an extrusion block (23) is rotatably connected to the surface of the connecting pin (22), a return spring (25) is connected between the middle parts of the two extrusion blocks (23), and concave arc grooves (24) are provided at the ends of the opposite sides of the two extrusion blocks (23), and the electric heating wire (7) is located between the two concave arc grooves (24).

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