A device for recycling thermosetting fiberglass waste
Through the method of melting and extrusion molding in the push heating mold of hammer-piece crusher and hydraulic cylinder, the problem of difficult treatment of thermoset fiberglass scrap is solved, and efficient and low-cost recycling is achieved.
Patent Information
- Application Number
- CN202010391408.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Priority Date
- 2020-04-30
- Filing Date
- 2020-05-11
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2040-05-11
AI Technical Summary
The prior art is difficult to effectively deal with thermoset fiberglass waste, resulting in waste of resources and environmental pollution, and the consumption of abrasive equipment and energy is high, making it difficult to promote secondary utilization.
The waste material is crushed to 2-3cm small particles by using a hammer-type material crusher, and is pushed into the heating mold through a hydraulic cylinder for melting and extrusion. The core heater and heating plate are used for full heating. The piston rod is also sealed with the discharge port, simplifying the equipment structure and reducing costs.
It realizes efficient recycling and utilization of thermoset fiberglass waste, reduces recycling costs, simplifies the equipment structure, and improves the molding effect.
Smart Images

Figure CN111391272B_ABST
Abstract
Description
Technical Field
[0001] The present invention belongs to the field of composite material production equipment, and particularly relates to a device for recycling thermosetting fiberglass waste. Background Art
[0002] In the 1950s, the fiberglass composite materials in China truly started and developed rapidly. By the end of 2018, it had reached 4.5 million tons, and its production capacity was almost close to half of the world's. Due to its special physical and chemical properties, it is very difficult to decompose and degrade the defective products, scraps, and products that have reached the service life during the production process. Except for landfilling or high-temperature incineration in a cement chamber, there is almost no better way to deal with them. The former treatment method causes a shortage of land, and the latter causes huge waste of materials and energy. Some people also propose to grind the waste into powder for secondary utilization, but it is difficult to promote due to the high cost caused by abrasive equipment and energy consumption. Summary of the Invention
[0003] The purpose of the present invention is to provide a device for recycling thermosetting fiberglass waste.
[0004] To achieve the above purpose, the technical solution adopted by the present invention is: a device for recycling thermosetting fiberglass waste, which includes a frame, a shredder, a feeding part, a heating part, and a control cabinet. An outlet is provided below the shredder. The feeding part includes a forming die communicated with the lower port of the feeding part, and a hydraulic cylinder connected to the forming die for pushing the material falling from the shredder into the forming die towards the outlet direction of the forming die. The heating part includes a heating plate and a heat preservation cover covering the outer periphery of the forming die.
[0005] Optimally, there are two shredders, feeding parts, and heating parts respectively, and they are respectively arranged on both sides of the control cabinet. The shredder, feeding part, and heating part on the same side of the control cabinet form a recycling part.
[0006] Optimally, an inlet is provided on the upper end surface of the forming die. The outlet is connected to the inlet, and an installation connection port is provided on its side. The cylinder body of the hydraulic cylinder is fixedly connected to the forming die, and a pushing block inside the die is fixed on the piston rod of the hydraulic cylinder. The pushing block inside the die penetrates through the installation connection port and is located below the outlet.
[0007] Furthermore, the inside of the piston rod is hollow, and the heating part further includes a core heater. One end of the core heater penetrates into the piston rod, and the other end is located inside the forming die.
[0008] Furthermore, the end of the core heater located inside the molding die is fixedly connected to the molding die, and a slider is provided at the other end thereof. The slider is disposed inside the piston rod and is slidably connected to the piston rod.
[0009] Further, when the piston rod retracts, the discharge port communicates with the inside of the molding die. When the piston rod extends, the pusher block inside the die seals the discharge port, and the discharge port is separated from the molding die.
[0010] Further, a sizing section is provided at the outlet of the molding die, and the sizing section has various thicknesses and shapes.
[0011] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art: The present invention uses a hammer mill to simply crush the waste into small particles with a particle size of 2 - 3 cm and then can perform melting and extrusion molding. The mechanism is simple, and the molding effect is good. The grinder required for the recovery method of grinding into powder is omitted, greatly reducing the recovery cost. The piston rod can not only push the material but also block the discharge port during the non-feeding period. By arranging a core heater inside the molding die, it can not only fully heat and melt the material but also provide a guiding function for the piston rod. Description of the Drawings
[0012] Att Figure 1 is a schematic structural diagram of the present invention. Detailed Embodiments
[0013] The present invention will be further described below with reference to the embodiments shown in the drawings.
[0014] As Figure 1 shown, the thermosetting fiberglass waste recycling device includes a frame 9, a shredder 14, a feeding section 16, a heating section 17, a support frame 13 connected between the frame 9 and the feeding section 16, and a control cabinet 4. A discharge port 17 is provided below the shredder 14. The shredder 14 includes a hopper 3 and a hammer-type agitator 5.
[0015] The feeding section 16 includes a forming die 8 communicated with the lower port of the feeding section 16, a hydraulic cylinder 11 connected to the forming die 8 for pushing the material falling into the forming die 8 from the shredder 14 towards the outlet 18 of the forming die 8, a shaping section 15 and an adjusting frame 1 provided on the outlet 18 of the forming die 8. The shaping section 15 has various thicknesses and shapes, and the finished product 7 is extruded from the shaping section 15. According to the shape and size of the shaping section 15, the required finished product 7 is formed. The heating section 17 includes a heating plate 2 wrapped around the outer periphery of the forming die 8 and a heat preservation cover 6. There are two shredders 14, two feeding sections 16 and two heating sections 17, which are respectively arranged on both sides of the control cabinet 4. The shredder 14, the feeding section 16 and the heating section 17 on the same side of the control cabinet 4 form a recycling section. At this time, the hydraulic cylinder 11 is a two-way acting hydraulic cylinder.
[0016] The upper end surface of the forming die 8 is provided with an inlet 19, the discharge port 17 is connected to the inlet 19, and its side is provided with a mounting connection port. The cylinder body of the hydraulic cylinder 11 is fixedly connected to the forming die 8, and a pusher block 12 inside the die is fixedly connected to the piston rod of the hydraulic cylinder 11. The pusher block 12 inside the die passes through the mounting connection port and is located below the discharge port 17. The inside of the pusher block 12 inside the die is hollow, and the heating section 17 further includes a core heater 10. One end of the core heater 10 passes through the pusher block 12 inside the die, and the other end is located inside the forming die 8. The end of the core heater 10 located inside the forming die 8 is fixedly connected to the forming die 8, and a sliding block is provided on the other end thereof. The sliding block is arranged inside the piston rod and is slidably connected to the piston rod.
[0017] When the piston rod retracts, the discharge port 17 is communicated with the inside of the forming die 8. When the piston rod extends, the pusher block 12 inside the die blocks the discharge port 17, and the discharge port 17 and the forming die 8 are separated.
[0018] The above embodiments are only used to illustrate the technical concept and characteristics of the present invention, and the purpose is to enable those who are familiar with this technology to understand the content of the present invention and implement it accordingly. It cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit and essence of the present invention should be covered within the protection scope of the present invention.
Claims
1. A device for recycling thermosetting fiberglass waste, which comprises a frame, a shredder, a feeding part, a heating part and a control cabinet, and is characterized in that: A discharge port is provided below the shredder. The feeding part includes a forming die communicated with the lower port of the feeding part, and a hydraulic cylinder connected to the forming die for pushing the material falling from the shredder into the forming die towards the outlet direction of the forming die. The heating part includes a heating plate coated on the outer periphery of the forming die and a heat preservation cover; An inlet is provided on the upper end surface of the forming die. The discharge port is connected to the inlet, and an installation connection port is provided on the side surface thereof. The cylinder body of the hydraulic cylinder is fixedly connected to the forming die. A pushing block inside the die is fixed on the piston rod of the hydraulic cylinder. The pushing block inside the die passes through the installation connection port and is located below the discharge port; the inside of the piston rod is hollow, and the heating part further includes a core heater. One end of the core heater passes through the piston rod, and the other end is located inside the forming die; the end of the core heater located inside the forming die is fixedly connected to the forming die, and a slider is provided on the other end thereof. The slider is arranged inside the piston rod and is slidably connected to the piston rod; when the piston rod retracts, the discharge port is communicated with the inside of the forming die, and when the piston rod extends, the piston rod blocks the discharge port, and the discharge port and the forming die are separated; there are two shredders, feeding parts and heating parts respectively, and they are respectively arranged on both sides of the control cabinet. The shredders, feeding parts and heating parts on the same side of the control cabinet form a recycling part.
2. The thermosetting fiberglass waste recycling device according to claim 1, wherein: A shaping section is provided at the outlet of the forming die, and there are various types of shaping sections.
Citation Information
Patent Citations
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