Waste recovery device for environment-friendly wear-resistant synthetic leather production

Abstract

The invention is applicable to the technical field of waste recovery for synthetic leather production, and provides an environment-friendly wear-resistant type waste recovery device for synthetic leather production, which comprises a crushing cylinder, a separation mechanism is arranged in the crushing cylinder, a crushing mechanism is arranged on the upper side of the separation mechanism, and the crushing mechanism can cut and crush synthetic leather waste, so that the synthetic leather waste can be recycled. And an electric heating mechanism is arranged on the lower side of the separation mechanism and can mix and heat the synthetic leather waste, and the separation mechanism can conduct vibration separation on the synthetic leather waste. In the whole working process, after the crushing mechanism crushes waste, the separating mechanism screens large and small waste in real time, the small waste is molten by the electric heating mechanism, the large waste is preheated and softened by the pushing mechanism and the conveying mechanism and is stably extruded into the forming box, and the extrusion mechanism injects molten materials through a pump machine to fill internal gaps during forming.

Description

Technical Field

[0001] This invention belongs to the field of waste recycling technology for synthetic leather production, and particularly relates to an environmentally friendly and wear-resistant waste recycling device for synthetic leather production. Background Technology

[0002] Synthetic leather, a type of artificial leather widely used in footwear, apparel, bags, furniture, and automotive interiors, generates a large amount of solid waste, including scraps and defective products, during its production. Directly discarding this waste not only wastes resources and increases raw material costs but also puts pressure on the environment, contradicting the current development concepts of green manufacturing and a circular economy. Therefore, how to efficiently and environmentally recycle and utilize synthetic leather production waste has become one of the urgent problems to be solved by the industry.

[0003] Currently, the main methods for recycling synthetic leather waste include physical recycling (such as direct crushing and melt-re-granulation) and chemical recycling (such as alcoholysis and hydrolysis). Physical recycling methods are more common and typically involve crushing the waste, heating and melting it, and then reshaping it through extrusion or molding. However, existing recycling devices and processes often have the following limitations:

[0004] First, waste materials are usually uneven in composition and size. Simply mixing them and then melting and re-granulating them may result in voids or weak bonding forces inside the recycled materials, affecting their mechanical properties and wear resistance.

[0005] Secondly, during the recycling process, there is a lack of effective grading for waste materials of different particle sizes. Fine particles are easily degraded by excessive heat, while larger particles may not be able to soften and melt sufficiently, affecting the uniformity and quality of the final product. Furthermore, in the traditional extrusion or molding process, the flow and filling of molten material in the mold are insufficient, making it difficult to achieve a high-density molding effect, which limits the application of recycled materials in high-end products.

[0006] Therefore, there is an urgent need to develop an integrated recycling device that can effectively classify and process synthetic leather waste, achieve refined preheating and conveying of materials, and improve the density and overall performance of products through special processes during the molding stage, so as to overcome the shortcomings of existing technologies and realize high-value and environmentally friendly recycling of synthetic leather waste. Summary of the Invention

[0007] The purpose of this invention is to provide an environmentally friendly and wear-resistant synthetic leather production waste recycling device, which aims to solve the problem that existing recycling devices and processing technologies are difficult to achieve high-density molding effects, thus limiting the application of recycled materials in high-end products.

[0008] The present invention is implemented as follows: an environmentally friendly and wear-resistant synthetic leather production waste recycling device includes a crushing cylinder, a separation mechanism is provided in the crushing cylinder, a crushing mechanism is provided on the upper side of the separation mechanism, the crushing mechanism can cut and crush the synthetic leather waste, an electric heating mechanism is provided on the lower side of the separation mechanism, the electric heating mechanism can mix and heat the synthetic leather waste, and the separation mechanism can vibrate and separate the synthetic leather waste.

[0009] The crushing cylinder is connected to a pushing mechanism above the separation mechanism. The pushing mechanism can preheat and convey the synthetic leather waste. The pushing mechanism is connected to a conveying mechanism, and one end of the conveying mechanism is connected to a forming box. The pushing mechanism can apply stable pressure to the synthetic leather waste, so that the synthetic leather waste enters the forming box. The upper part of the forming box is connected to an extrusion mechanism, which can extrude and form the synthetic leather. The bottom of the forming box is provided with a support mechanism, which can elastically support the synthetic leather waste.

[0010] A pump is installed near the bottom of the crushing cylinder, and the pump can pass through a pipe and be connected to the extrusion mechanism.

[0011] In a further technical solution, the separation mechanism includes a filter plate, a limiting spring, and a vibrator A;

[0012] The filter plate is vertically slidably inserted into the support seat on the inner wall of the crushing cylinder. A limit spring is connected between the filter plate and the support seat, and a vibrator A is fixedly connected to the bottom of the limit spring.

[0013] In a further technical solution, the crushing mechanism includes a motor A, a rotating shaft, and a cutting tool;

[0014] The motor A is fixed to the top of the crushing cylinder, and the output shaft of the motor A is fixedly connected to a rotating shaft, which is fixedly connected to several blades.

[0015] In a further technical solution, the electric heating mechanism includes a motor B and heating rods. The motor B is fixedly connected to the center of the bottom of the crushing cylinder, and the output shaft of the motor B is fixedly connected to multiple heating rods.

[0016] In a further technical solution, the pushing mechanism includes a guide pipe, a motor C, pushing blades, and a stirring rod;

[0017] The feed pipe is connected to the crushing cylinder, and a motor C is fixedly connected to the feed pipe. The output shaft of the motor C is inserted into the inner cavity of the feed pipe. The output shaft of the motor C is spirally equipped with pusher blades, and the motor C is fixedly connected to multiple stirring rods. The pusher blades are located on the side close to the inner cavity of the crushing cylinder.

[0018] In a further technical solution, the conveying mechanism includes a conveying pipe, an electric push rod A, and a push base;

[0019] The conveying pipe is connected to the guide pipe. One end of the conveying pipe is fixedly connected to an electric push rod A. The telescopic end of the electric push rod A is fixedly connected to a push seat. The push seat slides and seals against the inner wall of the conveying pipe. The outlet of the conveying pipe is conical. Electric heaters are embedded in the inner walls of both the conveying pipe and the guide pipe.

[0020] In a further technical solution, the extrusion mechanism includes an electric push rod B, a lower pressure seat, and an injection rod;

[0021] The electric push rod B is fixedly connected to the center of the top of the molding box. The telescopic end of the electric push rod B is fixedly connected to a lower pressure seat. Several injection rods are connected to the bottom of the lower pressure seat. The lower pressure seat is connected to the pump through a pipe.

[0022] In a further technical solution, the support mechanism includes a support plate, a support spring, and a vibrator B;

[0023] The support plate is slidably connected to the inner wall of the molding box, and a number of support springs are connected between the support plate and the inner bottom surface of the molding box. A vibrator B is connected to the bottom of the support plate.

[0024] In a further technical solution, an induced draft fan is installed near the top of the crushing cylinder, and the air outlet of the induced draft fan is connected to the lower side of the separation mechanism via a hose. Both the inlet and outlet of the induced draft fan are connected to the interior of the crushing cylinder.

[0025] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0026] In the overall workflow, after the crushing mechanism breaks down the waste, the separation mechanism screens the waste of different sizes in real time. The small waste is melted by the electric heating mechanism, while the large waste is preheated and softened by the pushing and conveying mechanism and then stably extruded into the molding box. During molding, the extrusion mechanism injects molten material through a pump to fill the internal gaps. The synergistic effect of these features allows the molten material to fully penetrate the structure of the large waste, significantly improving the density and uniformity of the final product and effectively overcoming molding defects caused by uneven size.

[0027] The mechanism of the vibrator B and the support spring synchronously drives the support plate to vibrate continuously during the extrusion process, so that the synthetic leather waste is in a dynamic extrusion state. The molten synthetic leather waste can be evenly diffused and filled in the vibration-induced gap, which significantly improves the bonding force and density inside the material. At the same time, it avoids the performance defects caused by insufficient filling in traditional static extrusion, and finally achieves high uniformity and high strength molding of recycled synthetic leather.

[0028] This solution utilizes an induced draft fan installed at the top of the crushing drum to specifically capture dust and volatile gases that rise naturally during vibration separation and electrothermal melting, preventing their diffusion and accumulation in the upper space of the equipment. The fan's outlet is guided via a flexible hose to the lower area of ​​the separation mechanism. This connection method allows the extracted airflow to be precisely introduced into the bottom area of ​​the screening operation, forming a directional auxiliary airflow when the filter plate vibrates. This facilitates the smooth passage of fine particles through the screen holes into the electrothermal mechanism, while simultaneously suppressing clogging caused by particle accumulation on the filter plate surface. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0030] Figure 2 This is a schematic diagram of the external structure of the present invention;

[0031] Figure 3 This is a schematic diagram of the internal structure of the pulverizing cylinder in this invention;

[0032] Figure 4 for Figure 3 The front view;

[0033] Figure 5 This is a schematic diagram of the pushing mechanism and the conveying mechanism;

[0034] Figure 6 This is a schematic diagram of the internal structure of the molding box.

[0035] In the attached diagram: 1. Crushing cylinder; 2. Separation mechanism; 21. Filter plate; 22. Limiting spring; 23. Vibrator A; 3. Crushing mechanism; 31. Motor A; 32. Rotating shaft; 33. Cutting tool; 4. Electric heating mechanism; 41. Motor B; 42. Electric heating rod; 5. Pushing mechanism; 51. Guide pipe; 52. Motor C; 53. Pushing blade; 54. Stirring rod; 6. Conveying mechanism; 61. Conveying pipe; 62. Electric push rod A; 63. Pushing seat; 7. Forming box; 8. Extrusion mechanism; 81. Electric push rod B; 82. Lower pressure seat; 83. Injection rod; 9. Support mechanism; 91. Support plate; 92. Support spring; 93. Vibrator B; 10. Pump; 11. Conduit. Detailed Implementation

[0036] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0037] The specific implementation of the present invention will be described in detail below with reference to specific embodiments.

[0038] like Figures 1-6As shown, an environmentally friendly and wear-resistant synthetic leather production waste recycling device provided in one embodiment of the present invention includes a crushing cylinder 1, a separation mechanism 2 is provided in the crushing cylinder 1, a crushing mechanism 3 is provided on the upper side of the separation mechanism 2, the crushing mechanism 3 can cut and crush the synthetic leather waste, an electric heating mechanism 4 is provided on the lower side of the separation mechanism 2, the electric heating mechanism 4 can mix and heat the synthetic leather waste, and the separation mechanism 2 can vibrate and separate the synthetic leather waste.

[0039] The crushing cylinder 1 is connected to a pushing mechanism 5 on the upper side of the separation mechanism 2. The pushing mechanism 5 can preheat and convey the synthetic leather waste. The pushing mechanism 5 is connected to a conveying mechanism 6, and one end of the conveying mechanism 6 is connected to a forming box 7. The pushing mechanism 5 can apply stable pressure to the synthetic leather waste, so that the synthetic leather waste enters the forming box 7. The upper part of the forming box 7 is connected to an extrusion mechanism 8, which can extrude and form the synthetic leather. The bottom of the forming box 7 is provided with a support mechanism 9, which can elastically support the synthetic leather waste.

[0040] A pump 10 is provided near the bottom of the crushing cylinder 1. The pump 10 can pass through the conduit 11 and be connected to the extrusion mechanism 8 via a pipe.

[0041] In this embodiment, the device addresses the density and uniformity issues caused by uneven size in synthetic leather waste through a grading and collaborative injection mechanism. The crushing cylinder 1 serves as the basic container, integrating various functional units and providing structural support for the overall process. The separation mechanism 2 utilizes vibration separation to screen the waste by size, guiding smaller waste to the bottom and retaining larger waste on top. This prevents excessive heat degradation of smaller waste in subsequent stages and insufficient softening of larger waste, ensuring the accuracy of grading. The crushing mechanism 3 cuts and crushes the waste, reducing its initial size to match the screening requirements of the separation mechanism 2. The electric heating mechanism 4 mixes and heats the screened smaller waste, melting it into a flowable state to prepare raw materials for subsequent injection. The pushing mechanism 5 preheats and conveys the larger waste while applying stable pressure to ensure uniform softening and continuous stable feeding. The conveying mechanism 6 receives the waste output from the pushing mechanism 5, further heats and softens it, and then forces it into the forming box 7 under stable pressure, maintaining material flowability. The forming box 7 serves as the forming space to accommodate the waste to be processed. The extrusion mechanism 8 applies pressure to the waste material entering the forming box 7, achieving preliminary forming. The support mechanism 9 buffers the pressure during the extrusion process through elastic support, promoting uniform pressure on the waste material. The pump 10 transports the molten small waste material to the extrusion mechanism 8 through the conduit 11, realizing the directional transfer of the molten material. The conduit 11 serves as a pipeline connecting the pump 10 and the extrusion mechanism 8. During the downward extrusion process, the extrusion mechanism 8 simultaneously injects the molten material into the waste material through the pump 10 and the injection rod 83, completing the filling before the waste material is completely compacted.

[0042] In the overall workflow, after the crushing mechanism 3 crushes the waste, the separation mechanism 2 screens the waste of different sizes in real time. The small waste is melted by the electric heating mechanism 4, and the large waste is preheated and softened by the pushing mechanism 5 and the conveying mechanism 6 and then stably extruded into the molding box 7. During molding, the extrusion mechanism 8 injects molten material through the pump 10 to fill the internal gaps. The synergistic effect of each feature allows the molten material to fully penetrate into the structure of the large waste, significantly improving the density and uniformity of the final product and effectively overcoming molding defects caused by uneven size.

[0043] like Figure 3 and Figure 4 As shown, in a preferred embodiment of the present invention, the separation mechanism 2 includes a filter plate 21, a limiting spring 22, and a vibrator A23;

[0044] The filter plate 21 is vertically slidably inserted into the support seat on the inner wall of the crushing cylinder 1. A limit spring 22 is connected between the filter plate 21 and the support seat. A vibrator A23 is fixedly connected to the bottom of the limit spring 22.

[0045] In this embodiment, the solution effectively solves the problem of insufficient screening accuracy by constructing a specific vibration separation structure. The filter plate 21 is vertically slidably inserted into the support base, allowing it to vibrate freely in the vertical direction. This avoids obstruction of the screening path due to rigid fixation, thereby ensuring that waste materials of different particle sizes can be smoothly separated according to size differences during vibration. The limiting spring 22 connects the filter plate 21 and the support base, providing elastic buffering and stable reset capability. This prevents excessive displacement of the filter plate 21 during vibration, which could damage the structure. At the same time, it maintains the uniformity of the vibration amplitude, allowing fine particles to be screened to the bottom in time while larger particles remain in the upper layer. The vibrator A23 is fixed to the bottom of the limiting spring 22. Through the elastic transmission of the spring, the vibration energy is efficiently introduced into the filter plate 21, avoiding uneven impact caused by direct drive. This achieves continuous and stable high-frequency vibration, thereby accurately separating waste particle sizes and preventing excessive retention of fine particles that could lead to degradation. This design tightly integrates the separation process with the subsequent heating and melting stage, ensuring that the fine particles after screening quickly enter the electric heating mechanism 4 for processing, while the larger particles orderly enter the pushing mechanism 5 for preheating and crushing, fundamentally improving the reliability of waste grading and the density of recycled materials.

[0046] like Figure 3 As shown, in a preferred embodiment of the present invention, the crushing mechanism 3 includes a motor A31, a rotating shaft 32, and a cutting tool 33;

[0047] The motor A31 is fixed to the top of the crushing cylinder 1, and the output shaft of the motor A31 is fixedly connected to the rotating shaft 32, which is fixedly connected to a number of blades 33.

[0048] In this embodiment, the solution ensures that synthetic leather waste is efficiently and uniformly cut and crushed by clearly defining the specific structural design of the crushing mechanism 3, providing a basis for controllable particle size for subsequent waste grading and melting molding, thereby solving the quality problem of recycled materials caused by uneven crushing.

[0049] The crushing mechanism 3 consists of a motor A31, a rotating shaft 32, and a cutter 33. This combination forms a stable and reliable crushing power system. The motor A31 serves as the core drive source, the rotating shaft 32 as the transmission hub, and the cutter 33 as the execution terminal. The three work together to achieve refined processing of waste materials. The motor A31 is fixed to the top of the crushing cylinder 1, securing the power source above the equipment. This prevents interference with the cutting process due to positional shifts or vibrations during operation, ensuring the continuity and stability of the crushing action and reducing particle size fluctuations caused by equipment shaking.

[0050] The output shaft of motor A31 is fixedly connected to the rotating shaft 32, directly transmitting power through a rigid connection. This eliminates energy loss and speed fluctuations in intermediate links, ensuring a constant rotational speed for the rotating shaft 32. This is crucial for maintaining the uniformity of cutting by the cutter 33, preventing inconsistent particle size of the crushed waste due to unstable rotational speed. Several cutters 33 are fixedly connected to the rotating shaft 32, and these cutters 33 are evenly distributed along the axial direction of the rotating shaft 32. This allows for simultaneous multi-angle cutting of the waste, significantly improving crushing efficiency. The fixed connection design of the cutters 33 prevents loosening or displacement during high-speed rotation, ensuring consistency in cutting depth and angle. This results in a more concentrated particle size distribution of the crushed waste, facilitating precise screening of different particle sizes by the separation mechanism 2. It also creates conditions for the electric heating mechanism 4 to gently heat fine particles and fully soften larger particles, ultimately improving the overall density and performance consistency of the recycled material.

[0051] like Figure 4 As shown, in a preferred embodiment of the present invention, the electric heating mechanism 4 includes a motor B41 and an electric heating rod 42. The motor B41 is fixedly connected to the center of the bottom of the crushing cylinder 1. The output shaft of the motor B41 is fixedly connected to multiple electric heating rods 42. The stirring heating rod 42 is provided with an electric heating element inside, which can heat the material while rotating and stirring.

[0052] In this embodiment, the technical solution effectively solves the core problem of uneven heating of waste materials by integrating the structural design of motor B41 and heating rod 42. Motor B41 is fixed at the center of the bottom of the crushing cylinder 1. This layout ensures the stability of the rotating shaft 32 and avoids vibration or material accumulation caused by eccentricity, thus providing basic support for uniform heating. Multiple heating rods 42 are fixedly connected to the output shaft of motor B41, so that the heating rods 42 can rotate with the output shaft while heating up. The key to this design is that, driven by the continuous rotation of motor B41, the heating rods 42 not only directly transfer heat as a heat source, but also forcibly disturb the waste materials through physical stirring, so that waste materials of different particle sizes are fully mixed and flowed during the melting process.

[0053] Specifically, the rotating heating rod 42 can promptly remove fine particles from the high-temperature area to prevent degradation, while simultaneously pushing larger particles to repeatedly contact the heat source to achieve sufficient softening, thereby eliminating defects such as localized overheating or underheating. Ultimately, this dynamic mixing mechanism significantly improves the uniformity and flowability of the molten material, creating the necessary conditions for high-density filling in the subsequent pumping and injection molding stages.

[0054] like Figure 5 As shown, in a preferred embodiment of the present invention, the pushing mechanism 5 includes a guide pipe 51, a motor C52, a pushing blade 53, and a stirring rod 54;

[0055] The feed pipe 51 is connected to the crushing cylinder 1, and the feed pipe 51 is fixedly connected to the motor C52. The output shaft of the motor C52 is inserted into the inner cavity of the feed pipe 51. The output shaft of the motor C52 is spirally provided with pusher blades 53, and the motor C52 is fixedly connected to multiple stirring rods 54. The pusher blades 53 are located on the side close to the inner cavity of the crushing cylinder 1.

[0056] In this embodiment, the technical solution effectively solves the problems of blockage, uneven preheating, and unstable pressure during the conveying of synthetic leather waste by integrating the guide pipe 51, motor C52, pusher blades 53, and stirring rod 54. The guide pipe 51 is connected to the crushing cylinder 1 and serves as a dedicated channel for waste conveying, ensuring that larger waste materials separated from the crushing cylinder 1 can directly enter the pusher mechanism 5, avoiding material accumulation caused by external interference.

[0057] The output shaft of motor C52 is equipped with a spiral pusher blade 53. Based on the fibrous characteristics and uneven size of the waste material, the spiral structure continuously propels the material forward, preventing blockage due to accumulation during transport and applying uniform pressure to ensure the waste is conveyed to subsequent stages at a constant rate. The pusher blade 53 is located on one side near the inner cavity of the crushing cylinder 1. Addressing the issue of waste material easily accumulating at the inlet when it first enters the pusher mechanism 5, it prioritizes pushing action, promptly clearing inlet obstructions and maintaining continuous conveying.

[0058] The motor C52 is fixedly connected to multiple stirring rods 54, which forcefully stir the waste material while pushing it, so that waste materials of different sizes are fully mixed. This promotes the uniform transfer of heat from the inner wall of the guide pipe 51 to the interior of the waste material, solving the problem of uneven preheating and laying the foundation for further softening and melting in the conveying mechanism 6, thereby improving the overall molding quality.

[0059] like Figure 5 As shown, in a preferred embodiment of the present invention, the conveying mechanism 6 includes a conveying pipe 61, an electric push rod A62, and a push base 63;

[0060] The conveying pipe 61 is connected to the guide pipe 51. One end of the conveying pipe 61 is fixedly connected to an electric push rod A62. The telescopic end of the electric push rod A62 is fixedly connected to a push seat 63. The push seat 63 slides and seals against the inner wall of the conveying pipe 61. The outlet of the conveying pipe 61 is conical. Electric heaters are embedded in the inner walls of both the conveying pipe 61 and the guide pipe 51.

[0061] In this embodiment, the technical solution integrates the electric push rod A62, the push base 63, the conical discharge port and the embedded electric heating system to build a precise pressure control and uniform heat management mechanism for the conveying process of synthetic leather waste, which effectively overcomes the core defects of unstable material conveying and insufficient preheating.

[0062] Specifically, the fixed connection design between the electric push rod A62 and the push base 63 generates a constant thrust output of the push base 63 based on the linear telescopic motion characteristics of the electric push rod A62. The special feature is that the stroke and speed of the electric push rod can be precisely adjusted, avoiding the sudden pressure change caused by the change in material viscosity in traditional screw conveying, ensuring that the synthetic leather waste is continuously pushed forward at a stable rate in the conveying pipe 61, thereby eliminating the risk of flow interruption and maintaining the consistency of material density.

[0063] The sliding seal connection between the push seat 63 and the inner wall of the conveying pipe 61 creates a leak-free closed conveying environment based on the tight fit of the sealing interface. The special feature is that the sealing structure blocks the lateral overflow path of the softened material under high pressure, so that the thrust is evenly applied to the entire material cross section, significantly improving the pressure transmission efficiency and preventing local accumulation.

[0064] The tapered design of the discharge port of the conveying pipe 61 generates a natural convergence effect of material flow based on the tapered geometry. The special feature is that the tapered structure reduces the flow resistance at the outlet, guides the material to concentrate and smoothly transition to the inlet of the forming box 7, and avoids temperature gradients and forming defects caused by outlet residue.

[0065] The electric heater embedded in the inner wall of the conveying pipe 61 and the guide pipe 51 generates uniform heat conduction inside the pipe wall according to the distribution position of the embedded heat source. The special feature is that the electric heater is directly embedded in the pipe wall material, and the heat radiates from the inside to the outside from the material contact surface, avoiding the thermal inertia problem of external heating. This ensures that the synthetic leather waste maintains a suitable softening temperature throughout the conveying path, laying a thermodynamic foundation for stable conveying and subsequent high-density molding.

[0066] The feeding mechanism 5 continuously pushes the preheated waste material into the conveying mechanism 6; the electric push rod A62 of the conveying mechanism 6 periodically moves to squeeze the accumulated waste material into the forming box 7 under stable high pressure.

[0067] The synergistic effect of these features ensures that the conveying process has both pressure controllability and thermal uniformity, fundamentally guaranteeing that the material enters the forming stage in a homogeneous state.

[0068] like Figure 6 As shown, in a preferred embodiment of the present invention, the extrusion mechanism 8 includes an electric push rod B81, a lower pressure seat 82, and an injection rod 83;

[0069] The electric push rod B81 is fixedly connected to the center of the top of the molding box 7. The telescopic end of the electric push rod B81 is fixedly connected to the lower pressure seat 82. The bottom of the lower pressure seat 82 is connected to several injection rods 83. The lower pressure seat 82 is connected to the pump 10 through a pipe.

[0070] In this embodiment, the solution integrates the injection function into the extrusion mechanism 8, enabling simultaneous injection of molten material during the extrusion process. This effectively solves the problem of insufficient filling inside the material, thereby significantly improving the density and structural uniformity of the synthetic leather product. The electric push rod B81 is fixedly connected to the center of the top of the molding box 7, which ensures the uniform distribution of downward pressure, avoids uneven deformation of the waste layer due to eccentric force, and provides a stable foundation for subsequent injection.

[0071] The precise displacement control of the lower pressure seat 82, generated by the telescopic movement of the electric push rod B81, allows the extrusion pressure and stroke to dynamically adapt to changes in the thickness of the waste material, preventing over-compression or insufficient compaction. Several injection rods 83 are connected to the bottom of the lower pressure seat 82, generating multi-point distributed injection channels based on the real-time status of the lower pressure seat 82 in the extrusion position. This allows the molten material to directly penetrate into the internal voids of the synthetic leather waste under pressure, avoiding material stratification and filling dead zones caused by traditional external mixing methods. The lower pressure seat 82 is connected to the pump 10 via a pipe, generating a continuous supply of molten material based on the stable delivery pressure of the pump 10. This ensures that the material can be injected into the core area of ​​the waste material immediately during the extrusion process, achieving a synergistic effect of simultaneous extrusion and filling, thereby strengthening the internal bonding force and eliminating voids.

[0072] like Figure 6As shown, in a preferred embodiment of the present invention, the support mechanism 9 includes a support plate 91, a support spring 92, and a vibrator B93;

[0073] The support plate 91 is slidably connected to the inner wall of the molding box 7. Several support springs 92 are connected between the support plate 91 and the inner bottom surface of the molding box 7. A vibrator B93 is connected to the bottom of the support plate 91.

[0074] In this embodiment, by integrating the vibration function into the support mechanism 9, the problem of insufficient material filling during the extrusion molding stage is effectively solved. The sliding connection design between the support plate 91 and the inner wall of the molding box 7 ensures that the support plate 91 can move freely during vibration, avoiding vibration energy loss due to fixed constraints, thereby efficiently transmitting vibration to the synthetic leather waste and allowing the material to dynamically adjust its position during extrusion. The support spring 92 connects the support plate 91 to the inner bottom surface, not only maintaining the necessary elastic support capacity, but also serving as an elastic element of the vibration system. It works in conjunction with the vibrator B93 to form an oscillation circuit, enabling the support plate 91 to generate a continuous and stable vibration amplitude during extrusion, preventing the material from forming dense dead corners due to static pressure.

[0075] Vibrator B93 is directly installed at the bottom of support plate 91. By actively applying vibration, it continuously loosens the synthetic leather waste as it is pressed down by extrusion mechanism 8, creating a dynamic channel for the injection of molten synthetic leather waste. Especially for the tiny gaps inside the waste block, the vibration can expand the penetration path in real time. The cooperation mechanism between vibrator B93 and support spring 92 synchronously drives support plate 91 to vibrate continuously during the extrusion process, keeping the synthetic leather waste in a dynamic extrusion state. The molten synthetic leather waste can be evenly diffused and filled in the vibration-induced gaps, significantly improving the internal bonding force and density of the material. At the same time, it avoids the performance defects caused by insufficient filling in traditional static extrusion, ultimately achieving high uniformity and high strength molding of recycled synthetic leather.

[0076] In a preferred embodiment of the present invention, a blower is provided near the top of the crushing cylinder 1, and the outlet of the blower is connected to the lower side of the separation mechanism 2 via a hose. Both the inlet and outlet of the blower are connected to the interior of the crushing cylinder 1.

[0077] In this embodiment, the challenges of dust and gas handling are effectively addressed by optimizing the airflow management mechanism. Specifically, the induced draft fan is installed at the top of the crushing cylinder 1, which can specifically capture the dust and volatile gases that rise naturally during the vibration separation and electrothermal melting processes, preventing them from spreading and accumulating in the upper space of the equipment, thereby reducing the risk of pollution to the working environment and ensuring operational safety. The air outlet of the induced draft fan is guided to the lower area of ​​the separation mechanism 2 via a flexible hose. This connection method allows the extracted airflow to be precisely introduced into the bottom area of ​​the screening operation, which helps to form a directional auxiliary airflow when the filter plate 21 vibrates, promoting the smooth passage of fine particles through the screen holes and into the electrothermal mechanism 4. At the same time, it suppresses the clogging problem caused by the accumulation of particles on the surface of the filter plate 21, improving the continuity and accuracy of the separation process.

[0078] In addition, the air inlet and outlet of the induced draft fan are connected to the inside of the crushing cylinder 1, forming a closed internal circulation path. This can not only efficiently remove harmful substances and prevent external interference, but also maintain the stability of the process temperature and pressure inside the crushing cylinder 1, ensuring the synergy of waste materials in the preheating, separation and melting stages, and ultimately enhancing the uniformity and structural density of the recycled materials.

[0079] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An environmentally friendly wear-resistant synthetic leather production waste recovery device, comprising a pulverizing cylinder (1), characterized in that, The separation mechanism (2) is provided with a crushing mechanism (3) on the upper side, the crushing mechanism (3) can cut and crush synthetic leather waste, the lower side of the separation mechanism (2) is provided with an electric heating mechanism (4), the electric heating mechanism (4) can mix and heat the synthetic leather waste, and the separation mechanism (2) can vibrate and separate the synthetic leather waste; The pushing mechanism (5) is connected to the upper side of the separation mechanism (2) of the crushing barrel (1), the pushing mechanism (5) can preheat and convey the synthetic leather waste, the pushing mechanism (5) is connected with a conveying mechanism (6), one end of the conveying mechanism (6) is communicated with a forming box (7), the pushing mechanism (5) can apply stable pressure to the synthetic leather waste, so that the synthetic leather waste enters the forming box (7), the upper part of the forming box (7) is connected with an extrusion mechanism (8), the extrusion mechanism (8) can extrude and form the synthetic leather, and the bottom of the forming box (7) is provided with a supporting mechanism (9), the supporting mechanism (9) can elastically support the synthetic leather waste. The pump (10) is arranged at the position close to the bottom of the crushing barrel (1), the pump (10) can pass through the guide pipe (11) through the pipeline and be connected with the extrusion mechanism (8).

2. The waste material recycling device for environment-friendly wear-resistant synthetic leather production according to claim 1, characterized in that, The separation mechanism (2) comprises a filter plate (21), a limiting spring (22) and a vibrator A (23); The filter plate (21) is vertically and slidingly inserted into the support seat of the inner wall of the crushing barrel (1), the limiting spring (22) is connected between the filter plate (21) and the support seat, and the bottom of the limiting spring (22) is fixedly connected with the vibrator A (23).

3. The waste material recycling device for environment-friendly wear-resistant synthetic leather production according to claim 1, characterized in that, The crushing mechanism (3) comprises a motor A (31), a rotating shaft (32) and a cutter (33); The motor A (31) is fixed to the top of the crushing barrel (1), the output shaft of the motor A (31) is fixedly connected with the rotating shaft (32), and the rotating shaft (32) is fixedly connected with a plurality of cutters (33).

4. The waste material recycling device for environment-friendly wear-resistant synthetic leather production according to claim 1, characterized in that, The electric heating mechanism (4) comprises a motor B (41) and an electric heating rod (42), the motor B (41) is fixedly connected to the center position of the bottom of the crushing barrel (1), and the output shaft of the motor B (41) is fixedly connected with a plurality of electric heating rods (42).

5. The waste material recycling device for environmentally friendly wear-resistant synthetic leather production according to claim 1, characterized in that, The pushing mechanism (5) comprises a material guide pipe (51), a motor C (52), a pushing blade (53) and a stirring rod (54); The material guide pipe (51) is communicated with the crushing barrel (1), and the material guide pipe (51) is fixedly connected with the motor C (52), the output shaft of the motor C (52) is inserted into the inner cavity of the material guide pipe (51), the output shaft of the motor C (52) is spirally provided with the pushing blade (53), and the motor C (52) is fixedly connected with a plurality of stirring rods (54), and the pushing blade (53) is arranged on the side close to the inner cavity of the crushing barrel (1).

6. The waste recovery device for environment-friendly wear-resistant synthetic leather production according to claim 5, characterized in that, The conveying mechanism (6) comprises a conveying pipe (61), an electric push rod A (62) and a push seat (63); The conveying pipe (61) is in communication with the material guide pipe (51), one end of the conveying pipe (61) is fixedly connected with an electric push rod A (62), the telescopic end of the electric push rod A (62) is fixedly connected with a push seat (63), the push seat (63) is in sliding and sealing connection with the inner wall of the conveying pipe (61), the discharge port of the conveying pipe (61) is conical, and the conveying pipe (61) and the inner wall of the material guide pipe (51) are both embedded with electric heaters.

7. The waste recovery device for environment-friendly wear-resistant synthetic leather production according to claim 1, characterized in that, The extrusion mechanism (8) comprises an electric push rod B (81), a pressing seat (82) and a material injection rod (83). The electric push rod B (81) is fixedly connected at the top center of the forming box (7), the telescopic end of the electric push rod B (81) is fixedly connected with the pressing seat (82), the bottom of the pressing seat (82) is in communication with a plurality of material injection rods (83), and the pressing seat (82) is in communication with the pump (10) through a pipeline.

8. The waste material recycling device for environment-friendly wear-resistant synthetic leather production according to claim 1, characterized in that, The supporting mechanism (9) comprises a supporting plate (91), a supporting spring (92) and a vibrator B (93). The supporting plate (91) is in sliding connection with the inner wall of the forming box (7), a plurality of supporting springs (92) are connected between the supporting plate (91) and the inner bottom surface of the forming box (7), and the bottom of the supporting plate (91) is connected with the vibrator B (93).

9. The waste material recycling device for environment-friendly wear-resistant synthetic leather production according to claim 1, characterized in that, The air suction fan is arranged at the position close to the top of the pulverizing cylinder (1), the air outlet of the air suction fan is connected to the position below the separating mechanism (2) through a hose, and the air inlet and the air outlet of the air suction fan are both in communication with the inside of the pulverizing cylinder (1).

Images