Hot cutting device for foamed plastic processing
Through the coupling of the conveyor belt and the roller pressing cylinder, the deformation problem of soft polyurethane foam during the cutting process is solved, the cutting efficiency and regularity of the cut are improved, and the practicality of the equipment is improved.
Patent Information
- Application Number
- CN202422280782.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-19
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-09-19
AI Technical Summary
When cutting soft polyurethane foam, the foam is prone to deformation with the movement of the cutting knife, the cut is rough and irregular, and direct extrusion and fixation will lead to deformation before cutting, which is difficult to effectively solve the problem of the existing technology.
The conveyor belt is used to cooperate with the roller cylinder for rolling conveying, and the pinch and fixing of the foam plastic is maintained through the rotary driving assembly. The position and length of the hot-cut assembly are adjusted in combination with the telescopic assembly, and the hot-cutting knife is used to perform hot-cutting to ensure cutting accuracy.
It can avoid deformation of foam plastic during the cutting process, improve cutting efficiency and regularity of the cut, facilitate the cleaning of hot cutters, and improve the practicality of the equipment.
Smart Images

Figure CN223211546U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of foam plastic processing, in particular to a hot cutting device for foam plastic processing. Background Art
[0002] Polyurethane foam is made by polymerizing isocyanates and hydroxyl compounds. It can be divided into two types according to its hardness: soft and hard. Soft is the main type. Generally speaking, it has excellent elasticity, softness, elongation and compressive strength.
[0003] In the prior art, during the cutting process on soft polyurethane foam plastics, due to the relatively soft hardness of the foam plastics, the foam plastics are easily moved with the cutting knife during cutting, causing deformation and resulting in rough cuts. If the top surface is directly squeezed and fixed, the foam plastics will be compressed and deformed before cutting, resulting in irregular cuts after cutting. In view of this, we propose a hot cutting device for foam plastic processing. Utility Model Content
[0004] The purpose of the present utility model is to provide a hot cutting device for foam plastic processing to solve the problems raised in the above background technology.
[0005] To achieve the above objectives, the present invention provides the following technical solutions:
[0006] A hot cutting device for foam plastic processing, comprising a base, a conveyor belt, a roller, a rotating frame, a rotary drive assembly, a telescopic assembly and a hot cutting assembly;
[0007] The base is fixedly connected to a first support frame, two groups of first rotating shafts are rotatably connected between the first support frames, a conveying roller is fixedly connected to the first rotating shaft, the conveyor belt is connected between the conveyor rollers, a side of the first support frame close to the discharge end of the conveyor belt is rotatably connected to the second rotating shaft, the roller is fixedly connected to the second rotating shaft, the base is fixedly connected to a slide rail, a sliding seat is slidably connected to the slide rail, the sliding seat is fixedly connected to the second support frame, a third rotating shaft is rotatably connected between the second support frames, and the rotating frame is fixedly connected to the third rotating shaft;
[0008] The rotation drive assembly is installed between the first rotating shaft and the second rotating shaft, and is used to drive the first rotating shaft and the second rotating shaft to rotate synchronously;
[0009] The telescopic components are provided in four groups, which are installed on the rotating frame; the hot cutting components are provided in four groups, which are installed on the telescopic components, so as to adjust the relative distance of the hot cutting components through the telescopic components.
[0010] As a further solution of the present invention: a second motor is fixedly connected to the second support frame, and an output shaft of the second motor is fixedly connected to the third rotating shaft.
[0011] As a further solution of the present invention: the rotary drive assembly includes a gear and a first motor;
[0012] There are two groups of gears, which are fixedly connected to the first rotating shaft and the second rotating shaft respectively, and the two groups of gears are meshed with each other. The first motor is installed on the first support frame, and the output shaft of the first motor is fixedly connected to the second rotating shaft.
[0013] As a further solution of the present invention: the telescopic assembly includes a mounting arm and a telescopic rod;
[0014] The mounting arm is fixedly connected to the rotating frame, a sliding groove is provided in the mounting arm, and the telescopic rod is slidably mounted in the sliding groove.
[0015] As a further solution of the present invention: an adjustment slot is provided in the mounting arm, a bolt is provided in the adjustment slot, one end of the bolt is fixedly connected to the telescopic rod, and the other end of the screw is threadedly connected to a hand-tightened nut.
[0016] As a further solution of the present invention: the thermal cutting component includes a thermal insulation mounting base fixedly connected to the telescopic rod, a heater is installed on the thermal insulation mounting base, and a thermal cutting line is connected between the heaters.
[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention rolls and conveys the foam plastic through the cooperation between the conveyor belt and the roller, and keeps the foam plastic clamped and fixed during the conveying process, thereby avoiding the foam plastic of the cut part from being compressed and deformed, and at the same time, the foam plastic is hot-cut by multiple groups of rotatable hot cutting knives, which improves the cutting efficiency of the equipment and facilitates the cleaning of idle hot cutting knives, thereby improving the practicality of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 The utility model is a schematic structural diagram of a hot cutting device for foam plastic processing.
[0019] Figure 2 The utility model is a schematic structural diagram of a hot cutting device for foam plastic processing.
[0020] Figure 3 The utility model is a schematic structural diagram of a telescopic component in a hot cutting device for foam plastic processing.
[0021] Figure 4 The utility model is a schematic structural diagram of a rotary drive assembly in a hot cutting device for foam plastic processing.
[0022] In the figure: 1-base, 2-first support frame, 3-first rotating shaft, 4-conveying roller, 5-conveying belt, 6-second rotating shaft, 7-rolling cylinder, 8-gear, 9-first motor, 10-slide rail, 11-sliding seat, 12-second support frame, 13-third rotating shaft, 14-rotating frame, 15-mounting arm, 16-sliding groove, 17-telescopic rod, 18-limiting groove, 19-bolt, 20-hand nut, 21-thermal insulation mounting seat, 22-heater, 23-hot cutting line, 24-second motor. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] See Figures 1 to 4 In an embodiment of the present utility model, a hot cutting device for foam plastic processing includes a base 1, a conveyor belt 5, a roller 7, a rotating frame 14, a rotary drive component, a telescopic component and a hot cutting component;
[0025] A first support frame 2 is fixedly connected to the base 1, two groups of first rotating shafts 3 are rotatably connected between the first support frames 2, a conveying roller 4 is fixedly connected to the first rotating shaft 3, the conveyor belt 5 is connected between the conveying rollers 4, the first support frame 2 is rotatably connected to the second rotating shaft 6 on one side close to the discharge end of the conveyor belt 5, the roller 7 is fixedly connected to the second rotating shaft 6, a slide rail 10 is fixedly connected to the base 1, a sliding seat 11 is slidably connected to the slide rail 10, a second support frame 12 is fixedly connected to the sliding seat 11, a third rotating shaft 13 is rotatably connected between the second support frames 12, the rotating frame 14 is fixedly connected to the third rotating shaft 13, the second support frame 12 is fixedly connected to the second motor 24, and the output shaft of the second motor 24 is fixedly connected to the third rotating shaft 13;
[0026] The rotation drive assembly is installed between the first rotating shaft 3 and the second rotating shaft 6, and is used to drive the first rotating shaft 3 and the second rotating shaft 6 to rotate synchronously;
[0027] The telescopic components are provided in four groups, which are mounted on the rotating frame 14. The hot cutting components are provided in four groups, which are mounted on the telescopic components, so as to adjust the relative distance of the hot cutting components through the telescopic components.
[0028] The utility model drives the first rotating shaft 3 and the second rotating shaft 6 to rotate synchronously in the opposite direction through the rotary drive component. The first rotating shaft 3 rotates through the conveying roller 4, and the conveying roller 4 drives the conveyor belt 5 to rotate. The second rotating shaft 6 drives the roller pressing cylinder 7 to rotate. At this time, the conveyor belt 5 and the roller pressing cylinder 7 rotate synchronously in the opposite direction, thereby rolling and conveying the foam plastic on the conveyor belt 5. At the same time, the utility model can also adjust the relative distance between the hot cutting component and the third rotating shaft 13 through the telescopic component, thereby adjusting the cutting length of the hot cutting component. At the same time, the cutting position of the hot cutting component is adjusted through the sliding connection between the slide rail 10 and the sliding seat 11. After the adjustment is completed, the third rotating shaft 13 is driven to rotate by the second motor 24, and the third rotating shaft 13 drives the hot cutting component to rotate through the rotating frame 14, thereby hot cutting the foam plastic through the hot cutting component, and the cutting point is close to the discharge end of the conveyor belt 5 and the roller pressing cylinder 7, so that the cutting point of the foam plastic is clamped by the conveyor belt 5 and the roller pressing cylinder 7, thereby avoiding cutting errors caused by extrusion deformation of the foam plastic.
[0029] In one embodiment of the present invention, see Figures 1 to 4 The rotation drive assembly includes a gear 8 and a first motor 9; the gear 8 is provided with two groups, and the two groups of gears 8 are respectively fixedly connected to the first rotating shaft 3 and the second rotating shaft 6, and the two groups of gears 8 are meshed with each other. The first motor 9 is mounted on the first support frame 2, and the output shaft of the first motor 9 is fixedly connected to the second rotating shaft 6. The rotation drive assembly drives the second rotating shaft 6 to rotate through the first motor 9, and the second rotating shaft 6 drives the first rotating shaft 3 to rotate synchronously in the opposite direction through the two groups of mutual meshing. At this time, the first rotating shaft 3 and the second rotating shaft 6 rotate synchronously in the opposite direction.
[0030] In one embodiment of the present invention, see Figures 1 to 4 The telescopic assembly includes a mounting arm 15 and a telescopic rod 17; the mounting arm 15 is fixedly connected to the rotating frame 14, and a sliding groove 16 is provided in the mounting arm 15. The telescopic rod 17 is slidably installed in the sliding groove 16, and an adjustment groove is provided in the mounting arm 15. A bolt 19 is provided in the adjustment groove. One end of the bolt 19 is fixedly connected to the telescopic rod 17, and the other end of the screw is threadedly connected to a hand nut 20. The telescopic assembly slides between the sliding groove 16 and the telescopic rod 17, and the relative length of the telescopic rod 17 in the mounting arm 15 is adjusted. The telescopic rod 17 drives the hot cutting assembly to extend and retract, thereby adjusting the cutting length of the hot cutting assembly.
[0031] In one embodiment of the present invention, see Figures 1 to 4The hot cutting component includes a heat-insulating mounting base 21 fixedly connected to the telescopic rod 17, a heater 22 is installed on the heat-insulating mounting base 21, and a hot cutting wire 23 is connected between the heaters 22. The hot cutting component supplies power to the hot cutting wire 23 through the setting of the heater 22, and then converts the electrical energy into thermal energy through the hot cutting wire 23, and then performs hot-melt cutting on the foam plastic through the high-temperature hot cutting wire 23.
[0032] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from all points of view, the embodiments should be regarded as illustrative and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and range of equivalents of the claims be included in the present invention. Any reference signs in the claims should not be construed as limiting the claim to which they relate.
[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A hot cutting device for foam plastic processing, characterized in that: It includes a base, a conveyor belt, a roller drum, a rotating frame, a rotary drive assembly, a telescopic assembly and a hot cutting assembly; The base is fixedly connected to a first support frame, two groups of first rotating shafts are rotatably connected between the first support frames, a conveying roller is fixedly connected to the first rotating shaft, the conveyor belt is connected between the conveyor rollers, a side of the first support frame close to the discharge end of the conveyor belt is rotatably connected to the second rotating shaft, the roller is fixedly connected to the second rotating shaft, the base is fixedly connected to a slide rail, a sliding seat is slidably connected to the slide rail, the sliding seat is fixedly connected to the second support frame, a third rotating shaft is rotatably connected between the second support frames, and the rotating frame is fixedly connected to the third rotating shaft; The rotation drive assembly is installed between the first rotating shaft and the second rotating shaft, and is used to drive the first rotating shaft and the second rotating shaft to rotate synchronously; The telescopic components are provided in four groups, which are installed on the rotating frame; the hot cutting components are provided in four groups, which are installed on the telescopic components, so as to adjust the relative distance of the hot cutting components through the telescopic components.
2. A hot cutting device for foam plastic processing according to claim 1, characterized in that: The second support frame is fixedly connected to a second motor, and an output shaft of the second motor is fixedly connected to the third rotating shaft.
3. A hot cutting device for foam plastic processing according to claim 1, characterized in that: The rotary drive assembly includes a gear and a first motor; There are two groups of gears, which are fixedly connected to the first rotating shaft and the second rotating shaft respectively, and the two groups of gears are meshed with each other. The first motor is installed on the first support frame, and the output shaft of the first motor is fixedly connected to the second rotating shaft.
4. A hot cutting device for foam plastic processing according to claim 1, characterized in that: The telescopic assembly includes a mounting arm and a telescopic rod; The mounting arm is fixedly connected to the rotating frame, a sliding groove is provided in the mounting arm, and the telescopic rod is slidably mounted in the sliding groove.
5. A hot cutting device for foam plastic processing according to claim 4, characterized in that: An adjusting slot is provided in the mounting arm, a bolt is provided in the adjusting slot, one end of the bolt is fixedly connected to the telescopic rod, and the other end of the screw is threadedly connected to a hand-tightened nut.
6. A hot cutting device for foam plastic processing according to claim 4, characterized in that: The hot cutting assembly comprises a heat-insulating mounting seat fixedly connected to the telescopic rod, a heater is mounted on the heat-insulating mounting seat, and a hot cutting line is connected between the heaters.