A synthetic process for producing polyurethane rubber

Abstract

This invention discloses a synthesis process for producing polyurethane rubber, relating to the field of polyurethane rubber technology. It aims to solve the technical problem of low synthesis efficiency in existing polyurethane rubber production. The method is based on a synthesis apparatus, which includes a frame. A fan, heating mechanism, transmission shell assembly, and synthesis mechanism are mounted on the frame. A driving mechanism drives a main rotating component, a slave rotating component, a fixed component, a switching component, and a moving component to revolve. This allows the heating mechanism to uniformly melt the solid polyester polyol placed in the reaction chamber assembly. Then, solid isocyanate is added, causing it to melt uniformly and fuse with the polyester polyol. Finally, the driving mechanism adjusts the state of the moving component to achieve a mixed state. This significantly shortens the production cycle and, compared to traditional batch production, further improves production efficiency, meeting market demand for polyurethane rubber.

Description

Technical Field

[0001] This invention relates to the field of polyurethane rubber technology, and more specifically, to a synthesis process for producing polyurethane rubber. Background Technology

[0002] Polyurethane rubber, as a high-performance material, has excellent physical and chemical properties, such as high elasticity, abrasion resistance, oil resistance and chemical corrosion resistance, and is widely used in many industrial fields, including automobiles, aerospace, machinery manufacturing, construction and footwear.

[0003] Traditional polyurethane rubber synthesis processes generally follow this procedure: First, solid raw materials such as polyester polyols and isocyanates need to be melted separately using independent equipment. Then, the melted raw materials are transferred to reaction vessels for prepolymer synthesis. During this process, precise control of temperature, time, and environmental conditions is required at each stage to ensure the quality of the raw material melting process and the smooth progress of the prepolymer synthesis reaction.

[0004] However, this traditional process has many shortcomings. Firstly, melting polyester polyols and isocyanates separately is not only cumbersome but also requires multiple independent devices, leading to dispersed equipment layouts, increased equipment costs, and larger workshop footprint. The different operating procedures and parameter settings of each device significantly increase the complexity of the production process. Operators need to switch between different devices, increasing the risk of errors such as inaccurate temperature control or improper melting time, all of which negatively impact raw material quality. Furthermore, because different batches of raw materials are affected by variations in equipment performance, environmental factors, and human error during separate melting, it's difficult to ensure consistent conditions when entering the reactor. This results in significant fluctuations in the final product quality, making it difficult to guarantee product consistency and repeatability.

[0005] On the other hand, during the separate melting process, the raw materials need to be transferred between different devices. During this period, the materials are exposed to the external environment more, increasing the risk of introducing impurities. These impurities may come from the air, equipment surfaces, or contact materials during material transfer. Once mixed into the raw materials, they can interfere with the prepolymer synthesis reaction, affecting the purity and quality of polyurethane rubber products, and consequently affecting the product's performance and reliability.

[0006] Furthermore, from an energy utilization perspective, using multiple devices to melt raw materials requires providing energy to each device separately, resulting in fragmented energy use and low overall energy efficiency, which increases production costs. This high energy consumption problem is particularly pronounced in large-scale production processes. Therefore, we propose a synthesis process for the production of polyurethane rubber. Summary of the Invention

[0007] The purpose of this invention is to provide a synthesis process for producing polyurethane rubber, so as to solve the technical problem of low synthesis efficiency of existing polyurethane rubber.

[0008] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a synthesis process for producing polyurethane rubber, the process being implemented based on a synthesis apparatus, wherein the synthesis apparatus includes a frame, a fan is provided at one end of the frame, a heating mechanism is provided at a position of the frame near the fan, a transmission shell assembly is provided at a position of the heating mechanism away from the fan, a synthesis mechanism is provided at a position of the transmission shell assembly away from the heating mechanism, and a drive adjustment mechanism is provided at the bottom end of the frame at the synthesis mechanism;

[0009] The synthesis mechanism includes a reaction chamber assembly, a main rotating assembly, a slave rotating assembly, a fixed assembly, a switching assembly, and a movable assembly. The reaction chamber assembly is mounted on the frame and connected at one end to the transfer shell assembly. The main rotating assembly is located at the bottom of the reaction chamber assembly. The slave rotating assembly is movably mounted on the main rotating assembly. The fixed assembly is fixedly connected to the main rotating assembly. The switching assembly is rotatably mounted on the fixed assembly. One end of the movable assembly is movably connected to the switching assembly, and the other end of the movable assembly is movably connected to the fixed assembly.

[0010] Preferably, the reaction chamber assembly includes a reaction chamber, an inlet, an outlet, and a mounting plate. The reaction chamber is mounted on the frame and one end is connected to the transmission shell assembly. The inlet is located at the top of the reaction chamber, the outlet is located at the bottom of the reaction chamber, and the mounting plate is connected to the bottom of the reaction chamber. The movable component is movably connected to the inner top wall of the reaction chamber at one end away from the fixed component. One end of the drive adjustment mechanism is connected to the mounting plate, and the other end of the drive adjustment mechanism is connected to the main rotating component.

[0011] Preferably, the main rotating assembly includes a main shaft, a main rotating disk, an outer toothed groove, a bottom rotating disk, an inner toothed groove, a central hole, and a through hole. The main shaft is connected to the drive adjustment mechanism, the main rotating disk is connected to the main shaft, the outer toothed groove is formed on the main rotating disk, the bottom rotating disk is rotatably disposed at the bottom end of the reaction tank assembly, the inner toothed groove is formed on the inner wall of the bottom rotating disk, the central hole is formed at the center of the bottom rotating disk, and the through holes are symmetrically formed on the bottom rotating disk. One end of the driven rotating assembly meshes with the outer toothed groove, and the other end of the driven rotating assembly meshes with the inner toothed groove.

[0012] Preferably, the bottom turntable is further provided with a circular groove, and the rotating assembly is slidably disposed on the circular groove;

[0013] The driven gear assembly includes a driven gear and a stop bar. The bottom end of the driven gear is slidably disposed on the circular groove. One end of the driven gear is meshed with the external tooth groove, and the other end of the driven gear is meshed with the internal tooth groove. The stop bar is fixedly disposed on the top end of the driven gear.

[0014] Preferably, the fixing component includes a fixing ring, an elongated hole, and a notch. The fixing ring is fixedly disposed on the top of the main turntable. The elongated hole is opened in a ring at equal intervals on the fixing ring. The notch is opened on the outer wall of the fixing ring. The switching component is rotatably disposed on the inner wall of the fixing ring. The movable component is movably inserted into the elongated hole at the end away from the switching component.

[0015] Preferably, the switching assembly includes a switching disk, a straight slide groove, and a push rod. The switching disk is rotatably mounted on the inner wall of the fixed ring. The straight slide groove is formed in a ring at equal intervals on the switching disk. One end of the push rod is fixedly connected to the outer wall of the switching disk, and the other end of the push rod is movably inserted into the notch. The push rod and the stop rod are at the same horizontal height.

[0016] Preferably, the movable component includes a movable block, a slider, a slide rod, an arc plate, and flow filters. The slider is fixedly disposed at the bottom end of the movable block, the slide rod is fixedly disposed at the top end of the movable block, the end of the slider away from the movable block is movably inserted into the straight slide groove, the end of the slide rod away from the movable block is movably inserted into the elongated hole, the arc plate is fixedly disposed on the movable block, and the end of the arc plate away from the movable block is movably connected to the inner top wall of the reaction chamber. A plurality of flow filters are formed on the arc plate.

[0017] Preferably, the drive adjustment mechanism includes a motor, an electric push rod, a fixed insertion block A, and an adjustment component. The motor and the electric push rod are both connected to the bottom end of the mounting plate. The fixed insertion block A is fixedly disposed on the top end of the mounting plate. One end of the adjustment component is movably sleeved on the main shaft, and the other end of the adjustment component is movably inserted into the mounting plate. The output end of the motor is connected to the main shaft, and the output end of the electric push rod is connected to the adjustment component.

[0018] Preferably, the adjustment assembly includes a movable sleeve, a connecting rod, and a slot. The movable sleeve is symmetrically and movably sleeved on the main shaft. The connecting rod is connected between two movable sleeves. The slot is opened on the movable sleeve. The connecting rod is movably inserted into the through hole.

[0019] Preferably, a fixed insertion block B is fixedly provided at the bottom end of the main turntable, and the slot is adapted to the fixed insertion block A and the fixed insertion block B;

[0020] One of the movable sleeves is also fixedly fitted with a fixing ring, and a plug is fixedly fitted on the outer wall of the fixing ring. The end of the plug away from the fixing ring is movably inserted into the mounting plate, and the end of the plug away from the fixing ring is also connected to the output end of the electric push rod.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] 1. This invention improves existing polyurethane rubber production synthesis equipment by installing a fan, heating mechanism, transfer shell assembly, and synthesis mechanism on the frame. A drive mechanism drives the main rotating component, slave rotating component, fixed component, switching component, and moving component to revolve, allowing the heating mechanism to uniformly melt the solid polyester polyol placed in the reaction chamber. Then, solid isocyanate is added, causing it to melt uniformly and fuse with the polyester polyol. Finally, the drive mechanism adjusts the state of the moving component to achieve a mixed state. This effectively reduces material transfer between different devices and equipment start-up and debugging time. From the addition of solid polyester polyol to its fusion with isocyanate, the entire process is completed efficiently within a continuous system, significantly shortening the production cycle. Compared to traditional batch production, this further improves production efficiency and meets market demand for polyurethane rubber.

[0023] 2. In this invention, the drive mechanism drives the main shaft, main turntable, and external gear groove to rotate. When the drive mechanism is in the full-rotation connection state, the main turntable drives the adjustment component to rotate. Since the adjustment component is inserted into the through hole of the bottom turntable, it drives the bottom turntable to rotate synchronously. The main turntable also drives the fixed component, switching component, and movable component at its top to rotate together, so that the material in the movable component rotates in the reaction chamber, achieving uniform heating and melting. Compared with the traditional static heating method, the rotary heating method can make the material heat and melt more evenly, reduce local overheating or overcooling, avoid changes in raw material properties caused by uneven heating, thereby improving product quality, and also speeding up the melting speed and saving production time.

[0024] 3. In this invention, when the drive mechanism is in the adjustment connection state, the drive mechanism drives the main shaft, main turntable and external gear groove to rotate. The external gear groove meshes with the driven gear, driving the driven gear to rotate. Since the adjustment component is in a fixed state, the bottom turntable and internal gear groove are also in a fixed state. The driven gear rotates around the circular groove on the bottom turntable. The driven gear drives the stop rod to rotate. When the stop rod contacts the switching component, it pushes the switching component to rotate on the fixed component, realizing the switching of the movable component to the unfolded state. At this time, the drive mechanism is adjusted to the full rotation connection state, so that the unfolded movable component rotates. This not only throws off some of the raw materials adhering to the movable component, but also makes the melted polyester polyol and isocyanate fully fused through the rotation of the movable component, avoiding raw material residue and waste. Compared with the traditional mixing method, it greatly improves the uniformity and fullness of material mixing, provides a better reaction basis for the synthesis of polyurethane rubber, helps to improve the physical properties and chemical stability of the product, and enhances the market competitiveness of the product.

[0025] 4. In this invention, when the stop bar contacts the push rod of the switching component, the stop bar pushes the push rod to rotate. The push rod drives the switching disk to rotate on the inner wall of the fixed ring. The switching disk drives the straight slide groove to rotate. The rotation of the straight slide groove presses against the sliding block connected within it, causing it to slide. The slide block drives the movable block, slide rod, and arc plate to move. Since the slide rod is movably inserted into the elongated hole of the fixed ring, the slide block is offset due to the limitation of the elongated hole. Multiple slide blocks and arc plates achieve an unfolded state. This is used after both materials have melted and fused. At this time, the drive adjustment mechanism is adjusted to the full rotation connection state, so that the arc plate in the unfolded state rotates. This not only throws off some of the raw materials adhering to the arc plate, but also allows the melted polyester polyol and isocyanate to fully fuse through the rotation of the arc plate, avoiding raw material residue and waste. It not only helps to improve the material mixing effect, but also plays a role in cleaning the equipment, reducing the residual accumulation of raw materials inside the equipment, reducing the risk of equipment blockage and corrosion caused by material residue, facilitating daily cleaning and maintenance of the equipment, helping to extend the service life of the equipment, reducing equipment maintenance costs, and ensuring the continuity and stability of the production process.

[0026] 5. In this invention, an electric push rod drives the insertion rod to move, which in turn drives a fixed collar to move. The fixed collar then drives two movable blocks, two connecting rods, and two slots to move until the top slot is inserted into and fixedly connected to the fixed insertion block B at the bottom of the main turntable, or until the bottom slot is inserted into and fixedly connected to the fixed insertion block A on the mounting plate. When the slot is inserted into and fixedly connected to the fixed insertion block B, the drive mechanism is in a full rotation connection state. When the slot is inserted into and fixedly connected to the fixed insertion block A, the drive mechanism is in an adjustment connection state. These two states are adapted to the melting and mixing stages of the material, respectively. In the melting stage, the full rotation connection state ensures that the material is uniformly heated and melted in the reaction tank, improving melting efficiency and quality. In the mixing stage, the adjustment connection state promotes the mixing of the material in a specific way, ensuring sufficient and uniform mixing. This flexible switching design adapts to the needs of different production stages, optimizes the production process, helps improve product quality and production efficiency, and reduces the difficulty of operating the equipment. Attached Figure Description

[0027] Figure 1 This is a schematic diagram of the synthesis process of the present invention;

[0028] Figure 2 This is a schematic diagram of the overall structure of the synthesis apparatus of the present invention;

[0029] Figure 3 This is a cross-sectional internal structure diagram of the synthesis apparatus of the present invention;

[0030] Figure 4 This is a schematic diagram of the internal structure of the synthesis mechanism of the present invention in cross-section;

[0031] Figure 5 This is a schematic diagram of the synthesis mechanism and the driving mechanism of the present invention;

[0032] Figure 6 This is a cross-sectional internal structure diagram of the synthesis mechanism and the driving mechanism of the present invention;

[0033] Figure 7 This is a schematic diagram of the adjustment component structure of the present invention;

[0034] Figure 8 This is a schematic diagram of the disassembled structure of the master converter and slave converter of the present invention;

[0035] Figure 9 This is a schematic diagram of the main switching component, slave switching component, fixed component, switching component, and movable component of the present invention;

[0036] Figure 10 This is a schematic diagram showing the disassembled structure of the fixed component, switching component, and movable component of the present invention;

[0037] Figure 11This is a schematic diagram of the structure of the active component part of the present invention;

[0038] Figure 12 This is a schematic diagram of the unfolded state of the active components of the present invention.

[0039] Description of the numbers in the figure:

[0040] 1. Frame; 2. Fan; 3. Heating mechanism; 4. Transmission housing assembly; 5. Synthesis mechanism; 6. Drive and adjustment mechanism;

[0041] 501. Reaction chamber assembly; 502. Main rotating assembly; 503. Slave rotating assembly; 504. Fixed assembly; 505. Switching assembly; 506. Moving assembly;

[0042] 601. Motor; 602. Electric actuator; 603. Fixed insert block A; 604. Adjustment assembly;

[0043] 5011, Reaction chamber; 5012, Inlet; 5013, Outlet; 5014, Mounting plate;

[0044] 5021, Spindle; 5022, Main turntable; 5023, External gear groove; 5024, Bottom turntable; 5025, Internal gear groove; 5026, Central hole; 5027, Through hole; 5028, Circular groove;

[0045] 5031, driven gear; 5032, stop lever;

[0046] 5041, retaining ring; 5042, elongated hole; 5043, notched groove;

[0047] 5051, Switching plate; 5052, Straight slide; 5053, Push rod;

[0048] 5061, Movable block; 5062, Slider; 5063, Slide rod; 5064, Arc plate; 5065, Filter hole;

[0049] 6041, movable sleeve; 6042, connecting rod; 6043, slot; 6044, fixed insert block B; 6045, fixed collar; 6046, insert rod. Detailed Implementation

[0050] To facilitate understanding of the technical solution of the present invention by those skilled in the art, the technical solution of the present invention will now be further described in conjunction with the accompanying drawings.

[0051] Example 1

[0052] like Figures 2 to 12As shown, the present invention provides a synthesis apparatus, including a frame 1, a fan 2 at one end of the frame 1, a heating mechanism 3 at the position of the frame 1 near the fan 2, a transmission shell assembly 4 at the end of the heating mechanism 3 away from the fan 2, a synthesis mechanism 5 at the end of the transmission shell assembly 4 away from the heating mechanism 3, and a drive adjustment mechanism 6 at the bottom end of the frame 1 at the synthesis mechanism 5.

[0053] The synthesis mechanism 5 includes a reaction chamber assembly 501, a main rotating assembly 502, a slave rotating assembly 503, a fixed assembly 504, a switching assembly 505, and a movable assembly 506. The reaction chamber assembly 501 is mounted on the frame 1 and one end is connected to the transfer housing assembly 4. The main rotating assembly 502 is located at the bottom of the reaction chamber assembly 501. The slave rotating assembly 503 is movably mounted on the main rotating assembly 502. The fixed assembly 504 is fixedly connected to the main rotating assembly 502. The switching assembly 505 is rotatably mounted on the fixed assembly 504. One end of the movable assembly 506 is movably connected to the switching assembly 505, and the other end of the movable assembly 506 is movably connected to the fixed assembly 504.

[0054] This invention improves existing polyurethane rubber production synthesis equipment by installing a fan 2, a heating mechanism 3, a transfer shell assembly 4, and a synthesis mechanism 5 on a frame 1. A drive mechanism 6 drives the main rotating component 502, the slave rotating component 503, the fixed component 504, the switching component 505, and the movable component 506 to revolve, allowing the heating mechanism 3 to uniformly melt the solid polyester polyol placed in the reaction chamber assembly 501. Then, solid isocyanate is added, causing it to melt uniformly and fuse with the polyester polyol. Finally, the drive mechanism 6 adjusts the state of the movable component 506 to achieve a mixed state. This effectively reduces material transfer between different devices and equipment start-up and debugging time. From the addition of solid polyester polyol to its fusion with isocyanate, the entire process is completed efficiently within a continuous system, significantly shortening the production cycle. Compared to traditional batch production, this further improves production efficiency and meets market demand for polyurethane rubber.

[0055] In an embodiment of the present invention, the reaction chamber assembly 501 includes a reaction chamber 5011, an inlet 5012, an outlet 5013, and a mounting plate 5014. The reaction chamber 5011 is mounted on the frame 1 and one end is connected to the transmission shell assembly 4. The inlet 5012 is located at the top of the reaction chamber 5011, and the outlet 5013 is located at the bottom of the reaction chamber 5011. The mounting plate 5014 is connected to the bottom of the reaction chamber 5011. The movable component 506 is movably connected to the inner top wall of the reaction chamber 5011 at one end away from the fixed component 504. One end of the drive mechanism 6 is connected to the mounting plate 5014, and the other end of the drive mechanism 6 is connected to the main rotating component 502.

[0056] In this invention, solid polyester polyol raw material is first introduced through inlet 5012, allowing it to fall into movable component 506. After the solid polyester polyol is uniformly melted and filtered through movable component 506, solid isocyanate raw material is added through inlet 5012. The driving mechanism 6 then drives the main rotating component 502, the slave rotating component 503, the fixed component 504, the switching component 505, and the movable component 506 to revolve, causing the heating mechanism 3 to uniformly melt the solid isocyanate placed in the reaction chamber group 501. During this melting process, the isocyanate gradually decomposes and fuses with the polyester polyol, achieving the early synthesis of part of the prepolymer. This not only reduces the number of operation steps in the front-end processing but also shortens the processing time, further improving the synthesis efficiency of polyurethane rubber.

[0057] In another embodiment of the present invention, the main rotating assembly 502 includes a main shaft 5021, a main rotating disk 5022, an outer toothed groove 5023, a bottom rotating disk 5024, an inner toothed groove 5025, a central hole 5026, and a through hole 5027. The main shaft 5021 is connected to the drive adjustment mechanism 6, the main rotating disk 5022 is connected to the main shaft 5021, the outer toothed groove 5023 is formed on the main rotating disk 5022, the bottom rotating disk 5024 is rotatably disposed at the bottom end of the reaction chamber assembly 501, the inner toothed groove 5025 is formed on the inner wall of the bottom rotating disk 5024, the central hole 5026 is formed at the center of the bottom rotating disk 5024, and the through hole 5027 is symmetrically formed on the bottom rotating disk 5024. One end of the rotating assembly 503 meshes with the outer toothed groove 5023, and the other end of the rotating assembly 503 meshes with the inner toothed groove 5025. In this invention, the drive mechanism 6 drives the main shaft 5021, the main turntable 5022, and the external gear groove 5023 to rotate. When the drive mechanism 6 is in the full-rotation connection state, the main turntable 5022 drives the adjustment component 604 to rotate. Since the adjustment component 604 is inserted into the through hole 5027 of the bottom turntable 5024, it drives the bottom turntable 5024 to rotate synchronously. The main turntable 5022 also drives the fixed component 504, the switching component 505, and the movable component 506 at its top to rotate together, so that the material in the movable component 506 rotates in the reaction chamber group 501, achieving uniform heating and melting. Compared with the traditional static heating method, the rotary heating method can make the material heat and melt more evenly, reduce local overheating or overcooling, avoid changes in raw material properties caused by uneven heating, thereby improving product quality, and also speeding up the melting speed and saving production time.

[0058] In an embodiment of the present invention, a circular groove 5028 is also provided on the bottom turntable 5024, and the rotating assembly 503 is slidably disposed on the circular groove 5028;

[0059] The driven gear assembly 503 includes a driven gear 5031 and a stop bar 5032. The bottom end of the driven gear 5031 is slidably disposed on the circular groove 5028. One end of the driven gear 5031 is meshed with the external tooth groove 5023, and the other end of the driven gear 5031 is meshed with the internal tooth groove 5025. The stop bar 5032 is fixedly disposed on the top end of the driven gear 5031.

[0060] In this invention, when the drive mechanism 6 is in the adjustment connection state, the drive mechanism 6 drives the main shaft 5021, the main turntable 5022, and the external gear groove 5023 to rotate. The external gear groove 5023 meshes with the driven gear 5031, driving the driven gear 5031 to rotate. Since the adjustment component 604 is in a fixed state, the bottom turntable 5024 and the internal gear groove 5025 are also in a fixed state. The driven gear 5031 rotates around the circular groove 5028 on the bottom turntable 5024. The driven gear 5031 drives the stop rod 5032 to rotate. When the stop rod 5032 contacts the switching component 505, it pushes the switching component 505 to rotate on the fixed component 504, realizing the switching of the form of the movable component 506. Figure 12 As shown, this is the unfolded state. At this time, the drive mechanism 6 is adjusted to the full rotation connection state, so that the unfolded movable component 506 rotates. This not only throws off some of the raw materials adhering to the movable component 506, but also allows the melted polyester polyol and isocyanate to fully mix through the rotation of the movable component 506, avoiding raw material residue and waste. Compared with the traditional mixing method, this greatly improves the uniformity and fullness of material mixing, provides a better reaction basis for the synthesis of polyurethane rubber, helps to improve the physical properties and chemical stability of the product, and enhances the product's market competitiveness.

[0061] In another embodiment of the present invention, the fixing component 504 includes a fixing ring 5041, an elongated hole 5042 and a notch 5043. The fixing ring 5041 is fixedly disposed on the top of the main turntable 5022. The elongated hole 5042 is opened in a ring at equal intervals on the fixing ring 5041. The notch 5043 is opened on the outer wall of the fixing ring 5041. The switching component 505 is rotatably disposed on the inner wall of the fixing ring 5041. The movable component 506 is movably inserted into the elongated hole 5042 at one end away from the switching component 505.

[0062] In an embodiment of the present invention, the switching assembly 505 includes a switching disk 5051, a straight slide groove 5052, and a push rod 5053. The switching disk 5051 is rotatably mounted on the inner wall of the fixed ring 5041. The straight slide groove 5052 is opened in a ring at equal intervals on the switching disk 5051. One end of the push rod 5053 is fixedly connected to the outer wall of the switching disk 5051, and the other end of the push rod 5053 is movably inserted into the notch 5043. The push rod 5053 and the stop rod 5032 are located at the same horizontal height.

[0063] In another embodiment of the present invention, the movable component 506 includes a movable block 5061, a slider 5062, a slide rod 5063, an arc plate 5064, and flow filter holes 5065. The slider 5062 is fixedly disposed at the bottom end of the movable block 5061, the slide rod 5063 is fixedly disposed at the top end of the movable block 5061, the end of the slider 5062 away from the movable block 5061 is movably inserted into the straight slide groove 5052, the end of the slide rod 5063 away from the movable block 5061 is movably inserted into the elongated hole 5042, the arc plate 5064 is fixedly disposed on the movable block 5061, and the end of the arc plate 5064 away from the movable block 5061 is movably connected to the inner top wall of the reaction chamber 5011. A plurality of flow filter holes 5065 are formed on the arc plate 5064.

[0064] In this invention, when the stop lever 5032 contacts the push rod 5053 of the switching assembly 505, the stop lever 5032 pushes the push rod 5053 to rotate. The push rod 5053 drives the switching disk 5051 to rotate on the inner wall of the fixed ring 5041. The switching disk 5051 drives the straight slide groove 5052 to rotate. The rotation of the straight slide groove 5052 compresses the slidingly connected slider 5062 within it to slide. The slider 5062 drives the movable block 5061, the slide rod 5063, and the arc plate 5064 to move. Since the slide rod 5063 is movably inserted into the elongated hole 5042 of the fixed ring 5041, the slider 5062 is offset due to the limitation of the elongated hole 5042. Multiple sliders 5062 and arc plates 5064, such as Figure 12 As shown, the unfolded state is achieved after both materials have melted and fused. At this point, the drive mechanism 6 is adjusted to the full-rotation connection state, causing the arc plate 5064 in the unfolded state to rotate. This not only throws off some of the raw materials adhering to the arc plate 5064, but also ensures that the melted polyester polyol and isocyanate are fully fused through the rotation of the arc plate 5064, avoiding raw material residue and waste. This not only helps to improve the material mixing effect, but also plays a role in cleaning the equipment, reducing the accumulation of raw materials inside the equipment, reducing the risk of equipment blockage and corrosion caused by material residue, facilitating daily cleaning and maintenance of the equipment, helping to extend the service life of the equipment, reducing equipment maintenance costs, and ensuring the continuity and stability of the production process.

[0065] When the drive mechanism 6 reverses, the stop lever 5032 rotates in the opposite direction, contacting the push rod 5053 and pushing it. This causes the push rod 5053 to drive the switching disk 5051 to reverse within the fixed ring 5041. The switching disk 5051 then drives the straight slide groove 5052 to reverse. The straight slide groove 5052 rotates and presses against the sliding block 5062 within it, causing it to slide. The slide block 5062 drives the movable block 5061, the slide rod 5063, and the arc plate 5064 to move. Because the slide rod 5063 is movably inserted into the elongated hole 5042 of the fixed ring 5041, and due to the limitation of the elongated hole 5042, the slide block 5062 shifts, resulting in the formation of... Figure 11In the closed state shown, unmelted material is temporarily stored between several closed arc plates 5064. After being heated and melted, it gradually flows into the reaction chamber 5011 through the flow filter holes 5065. This optimizes the material handling process, allowing the material to melt and transfer in a relatively closed and orderly environment, reducing material waste and loss. At the same time, it avoids problems such as uneven reaction or blockage that may be caused by unmelted material entering directly, thus improving the smoothness and efficiency of the production process.

[0066] In an embodiment of the present invention, the drive adjustment mechanism 6 includes a motor 601, an electric push rod 602, a fixed insertion block A603, and an adjustment component 604. The motor 601 and the electric push rod 602 are both connected to the bottom end of the mounting plate 5014, the fixed insertion block A603 is fixedly disposed on the top end of the mounting plate 5014, one end of the adjustment component 604 is movably sleeved on the main shaft 5021, and the other end of the adjustment component 604 is movably inserted into the mounting plate 5014. The output end of the motor 601 is connected to the main shaft 5021, and the output end of the electric push rod 602 is connected to the adjustment component 604.

[0067] In an embodiment of the present invention, the adjustment component 604 includes a movable sleeve 6041, a connecting rod 6042, and a slot 6043. The movable sleeve 6041 is symmetrically and movably sleeved on the main shaft 5021. The connecting rod 6042 is connected between the two movable sleeves 6041. The slot 6043 is opened on the movable sleeve 6041. The connecting rod 6042 is movably inserted into the through hole 5027.

[0068] The bottom of the main turntable 5022 is fixedly provided with a fixed insertion block B6044, and the slot 6043 is adapted to the fixed insertion block A603 and the fixed insertion block B6044.

[0069] One of the movable sleeve blocks 6041 is also fixedly fitted with a fixing ring 6045. A plug rod 6046 is fixedly fitted on the outer wall of the fixing ring 6045. The end of the plug rod 6046 away from the fixing ring 6045 is movably inserted into the mounting plate 5014. The end of the plug rod 6046 away from the fixing ring 6045 is also connected to the output end of the electric push rod 602.

[0070] In this invention, the electric push rod 602 drives the insertion rod 6046 to move, the insertion rod 6046 drives the fixed collar 6045 to move, and the fixed collar 6045 drives the two movable sleeves 6041, the two connecting rods 6042, and the two slots 6043 to move until the top slot 6043 is inserted into the fixed block B6044 fixedly connected to the bottom of the main turntable 5022, or until the bottom slot 6043 is inserted into the fixed block A603 fixedly connected to the mounting plate 5014; when the slot 6043 is inserted into the fixed block B6044, the drive adjustment mechanism... 6 is in the full rotation connection state; when slot 6043 is fixedly inserted into block A603, drive adjustment mechanism 6 is in the adjustment connection state; the two states are adapted to the melting and mixing stages of materials respectively. In the melting stage, the full rotation connection state can ensure that the material is heated and melted evenly in the reaction tank, improving melting efficiency and quality. In the mixing stage, the adjustment connection state promotes the mixing of materials in a specific way, ensuring sufficient and uniform mixing. This flexible switching design adapts to the needs of different production stages, optimizes the production process, helps improve product quality and production efficiency, and reduces the difficulty of operating the equipment.

[0071] Example 2

[0072] like Figure 1 As shown, the present invention provides a synthesis process for a synthesis apparatus according to Embodiment 1, comprising the following steps:

[0073] Step 1: First, solid polyester polyol is fed in through the feed port 5012. The solid polyester polyol accumulates between several closed arc plates 5064. At this time, the slot 6043 is inserted and fixed to the fixed block B6044. The drive motor 601 drives the main shaft 5021, the main turntable 5022 and the external tooth groove 5023 to rotate. The main turntable 5022 drives the fixed block B6044 to rotate. The fixed block B6044 drives the movable sleeve 6041 and the connecting rod 6042 to rotate. Since the connecting rod 6042 is inserted into the through hole 5027, it drives the bottom turntable 5024 to rotate synchronously. The main turntable 5022 also drives the fixed component 504, the switching component 505 and the movable component 506 at its top to rotate together, so that the solid polyester polyol in the arc plate 5064 of the movable component 506 rotates and heats up.

[0074] Step 2: After the solid polyester polyol melts into a liquid state and gradually flows into the reaction chamber 5011 through the flow filter 5065, solid isocyanate raw material is added through the feed port 5012. The driving mechanism 6 drives the main rotating component 502, the slave rotating component 503, the fixed component 504, the switching component 505, and the moving component 506 to form a revolution state, so that the heating mechanism 3 uniformly melts the solid isocyanate placed in the reaction chamber 501. During this melting process, the isocyanate gradually decomposes and fuses with the polyester polyol, realizing the early synthesis of part of the prepolymer.

[0075] Step 3: At this time, the electric push rod 602 drives the insertion rod 6046 to move upward. The insertion rod 6046 drives the fixed collar 6045 to move. The fixed collar 6045 drives the two movable sleeves 6041, the two connecting rods 6042, and the two slots 6043 to move until the top slot 6043 is inserted into the fixed insertion block B6044 at the bottom of the main turntable 5022 and fixed. The motor 601 is driven again to drive the main shaft 5021, the main turntable 5022, and the external gear 5023 to rotate. The external gear 5023 meshes with the driven gear 5031, driving the driven gear 5031 to rotate. Since the adjusting component 604 is in a fixed state, the bottom turntable 5024 and the internal gear 5025 are also in a fixed state. The driven gear 5031 rotates around the smooth circle on the bottom turntable 5024. The groove 5028 rotates in a circle, and the driven gear 5031 drives the stop rod 5032 to rotate. When the stop rod 5032 contacts the push rod 5053 of the switching component 505, the stop rod 5032 pushes the push rod 5053 to rotate. The push rod 5053 drives the switching disk 5051 to rotate on the inner wall of the fixed ring 5041. The switching disk 5051 drives the straight slide groove 5052 to rotate. The rotation of the straight slide groove 5052 presses the sliding block 5062 connected inside it to slide. The slider 5062 drives the movable block 5061, the slide rod 5063 and the arc plate 5064 to move. Since the slide rod 5063 is movably inserted into the long hole 5042 of the fixed ring 5041, the slider 5062 is offset due to the limitation of the long hole 5042. The multiple sliders 5062 and the arc plate 5064 are unfolded.

[0076] Step 4: Drive the electric push rod 602 again to move the insertion rod 6046 downward. The insertion rod 6046 moves the fixed collar 6045. The fixed collar 6045 moves the two movable sleeves 6041, the two connecting rods 6042 and the two slots 6043 until the slot 6043 at the bottom is inserted into the fixed insertion block A603 fixedly connected to the mounting plate 5014. Then, drive the main rotating component 502, the slave rotating component 503, the fixed component 504, the switching component 505 and the movable component 506 to form a revolution state through the driving adjustment mechanism 6. This causes the arc plate 5064 in the unfolded state to rotate. This not only throws off some of the raw materials adhering to the arc plate 5064, but also allows the melted polyester polyol and isocyanate to fully fuse through the rotation of the arc plate 5064, so as to carry out prepolymer synthesis.

[0077] Step 5: Inject the synthesized prepolymer raw material into the first casting machine tank, then inject the prepolymer raw material into the mold through the first casting machine tank, and inject liquid low molecular weight diol into the mold through the second casting machine tank;

[0078] Step 6: The raw material injected into the mold is dried to form a polyurethane rubber body;

[0079] Step 7: Take out the heated polyurethane rubber semi-finished product, use a cutting machine to cut and shape the polyurethane rubber, use a grinding machine to grind and polish the polyurethane rubber, and after completing the grinding process, perform the boring operation.

[0080] Step 8: After completing the above steps, the polyurethane rubber is inspected and, if it passes the inspection, it can be shipped out of the factory.

[0081] The embodiments disclosed in this invention are preferred embodiments, but are not limited thereto. Those skilled in the art can easily understand the spirit of this invention based on the above embodiments and make different extensions and variations, but as long as they do not depart from the spirit of this invention, they are all within the protection scope of this invention.

Claims

1. A synthesis process for producing polyurethane rubber, characterized in that, The process is based on a synthesis apparatus, which includes a frame (1), a fan (2) at one end of the frame (1), a heating mechanism (3) near the fan (2) on the frame (1), a transmission shell assembly (4) at the end of the heating mechanism (3) away from the fan (2), a synthesis mechanism (5) at the end of the transmission shell assembly (4) away from the heating mechanism (3), and a drive mechanism (6) at the bottom of the frame (1) located at the synthesis mechanism (5). The synthesis mechanism (5) includes a reaction chamber assembly (501), a main rotating assembly (502), a slave rotating assembly (503), a fixed assembly (504), a switching assembly (505), and a movable assembly (506). The reaction chamber assembly (501) is mounted on the frame (1) and one end is connected to the transmission shell assembly (4). The main rotating assembly (502) is located at the bottom of the reaction chamber assembly (501). The slave rotating assembly (503) is movably mounted on the main rotating assembly (502). The fixed assembly (504) is fixedly connected to the main rotating assembly (502). The switching assembly (505) is rotatably mounted on the fixed assembly (504). One end of the movable assembly (506) is movably connected to the switching assembly (505), and the other end of the movable assembly (506) is movably connected to the fixed assembly (504). The process includes the following steps: Step 1: First, solid polyester polyol is put into the reaction chamber assembly (501). The solid polyester polyol is piled up between several closed movable components (506). At this time, the drive mechanism (6) drives the main rotating component (502) to rotate. The main rotating component (502) also drives the fixed component (504), the switching component (505) and the movable component (506) at its top to rotate together, so that the solid polyester polyol in the movable component (506) rotates and heats up. Step 2: After the solid polyester polyol melts into a liquid state and gradually penetrates through the movable component (506) into the reaction chamber (501), solid isocyanate raw material is added into the reaction chamber (501). The driving mechanism (6) drives the main rotating component (502), the slave rotating component (503), the fixed component (504), the switching component (505), and the movable component (506) to form a revolution state, so that the heating mechanism (3) uniformly melts the solid isocyanate placed in the reaction chamber (501). During this melting process, the isocyanate gradually decomposes and fuses with the polyester polyol, realizing the early synthesis of part of the prepolymer. Step 3: At this time, the drive adjustment mechanism (6) is first put into the adjustment connection state, and the drive adjustment mechanism (6) is driven again to drive the rotating component (503) to rotate in a circle. The rotating component (503) contacts the switching component (505) and drives it to rotate. The rotation of the switching component (505) causes the movable component (506) to form an unfolded state on the fixed component (504). Step 4: At this time, adjust the drive mechanism (6) to the full rotation connection state, drive the drive mechanism (6) to drive the moving component (506) to rotate, the rotation of the moving component (506) makes the melted polyester polyol and isocyanate fully fused, and prepolymer synthesis is carried out. Step 5: Inject the synthesized prepolymer raw material into the first casting machine tank, then inject the prepolymer raw material into the mold through the first casting machine tank, and inject liquid low molecular weight diol into the mold through the second casting machine tank; Step 6: The raw material injected into the mold is dried to form a polyurethane rubber body; Step 7: Take out the heated polyurethane rubber semi-finished product, use a cutting machine to cut and shape the polyurethane rubber, use a grinding machine to grind and polish the polyurethane rubber, and after completing the grinding process, perform the boring operation. Step 8: After completing the above steps, the polyurethane rubber is inspected and, if it passes the inspection, it can be shipped out of the factory.

2. The synthesis process for producing polyurethane rubber according to claim 1, characterized in that, The reaction chamber assembly (501) includes a reaction chamber (5011), an inlet (5012), an outlet (5013), and a mounting plate (5014). The reaction chamber (5011) is mounted on the frame (1) and one end is connected to the transmission shell assembly (4). The inlet (5012) is located at the top of the reaction chamber (5011), and the outlet (5013) is located at the bottom of the reaction chamber (5011). The mounting plate (5014) is connected to the bottom of the reaction chamber (5011). The movable component (506) is movably connected to the inner top wall of the reaction chamber (5011) at one end away from the fixed component (504). One end of the drive adjustment mechanism (6) is connected to the mounting plate (5014), and the other end of the drive adjustment mechanism (6) is connected to the main rotating component (502).

3. The synthesis process for producing polyurethane rubber according to claim 2, characterized in that, The main rotating assembly (502) includes a main shaft (5021), a main turntable (5022), an external gear groove (5023), a bottom turntable (5024), an internal gear groove (5025), a central hole (5026), and a through hole (5027). The main shaft (5021) is connected to the drive adjustment mechanism (6), the main turntable (5022) is connected to the main shaft (5021), the external gear groove (5023) is formed on the main turntable (5022), and the bottom turntable (5024) has internal gear grooves (5025), a central hole (5026), and a through hole (5027). 4) Rotatably mounted at the bottom end of the reaction chamber assembly (501), the inner toothed groove (5025) is opened on the inner wall of the bottom turntable (5024), the central hole (5026) is opened at the center of the bottom turntable (5024), the through hole (5027) is symmetrically opened on the bottom turntable (5024), one end of the rotating assembly (503) is engaged with the outer toothed groove (5023), and the other end of the rotating assembly (503) is engaged with the inner toothed groove (5025).

4. The synthesis process for producing polyurethane rubber according to claim 3, characterized in that, The bottom turntable (5024) is also provided with a circular groove (5028), and the rotating assembly (503) is slidably disposed on the circular groove (5028); The driven gear assembly (503) includes a driven gear (5031) and a stop bar (5032). The bottom end of the driven gear (5031) is slidably disposed on the circular groove (5028). One end of the driven gear (5031) is meshed with the external tooth groove (5023), and the other end of the driven gear (5031) is meshed with the internal tooth groove (5025). The stop bar (5032) is fixedly disposed on the top end of the driven gear (5031).

5. The synthesis process for producing polyurethane rubber according to claim 4, characterized in that, The fixing component (504) includes a fixing ring (5041), an elongated hole (5042), and a notch (5043). The fixing ring (5041) is fixedly disposed on the top of the main turntable (5022). The elongated hole (5042) is opened in a ring at equal intervals on the fixing ring (5041). The notch (5043) is opened on the outer wall of the fixing ring (5041). The switching component (505) is rotatably disposed on the inner wall of the fixing ring (5041). The movable component (506) is movably inserted into the elongated hole (5042) at one end away from the switching component (505).

6. The synthesis process for producing polyurethane rubber according to claim 5, characterized in that, The switching assembly (505) includes a switching disk (5051), a straight slide groove (5052), and a push rod (5053). The switching disk (5051) is rotatably mounted on the inner wall of the fixed ring (5041). The straight slide groove (5052) is opened in a ring at equal intervals on the switching disk (5051). One end of the push rod (5053) is fixedly connected to the outer wall of the switching disk (5051), and the other end of the push rod (5053) is movably inserted into the notch (5043). The push rod (5053) and the stop rod (5032) are located at the same horizontal height.

7. The synthesis process for producing polyurethane rubber according to claim 6, characterized in that, The movable component (506) includes a movable block (5061), a slider (5062), a slide rod (5063), an arc plate (5064), and a flow filter hole (5065). The slider (5062) is fixedly disposed at the bottom end of the movable block (5061), and the slide rod (5063) is fixedly disposed at the top end of the movable block (5061). The end of the slider (5062) away from the movable block (5061) is movably inserted into the straight slide groove. On (5052), the end of the slide rod (5063) away from the movable block (5061) is movably inserted into the elongated hole (5042), the arc plate (5064) is fixedly mounted on the movable block (5061), and the end of the arc plate (5064) away from the movable block (5061) is movably connected to the inner top wall of the reaction tank (5011), and a plurality of the flow filter holes (5065) are opened on the arc plate (5064).

8. The synthesis process for producing polyurethane rubber according to claim 7, characterized in that, The drive adjustment mechanism (6) includes a motor (601), an electric push rod (602), a fixed insertion block A (603), and an adjustment component (604). The motor (601) and the electric push rod (602) are both connected to the bottom end of the mounting plate (5014). The fixed insertion block A (603) is fixedly installed on the top end of the mounting plate (5014). One end of the adjustment component (604) is movably sleeved on the main shaft (5021), and the other end of the adjustment component (604) is movably inserted into the mounting plate (5014). The output end of the motor (601) is connected to the main shaft (5021), and the output end of the electric push rod (602) is connected to the adjustment component (604).

9. The synthesis process for producing polyurethane rubber according to claim 8, characterized in that, The adjustment assembly (604) includes a movable sleeve (6041), a connecting rod (6042), and a slot (6043). The movable sleeve (6041) is symmetrically and movably sleeved on the main shaft (5021). The connecting rod (6042) is connected between the two movable sleeves (6041). The slot (6043) is opened on the movable sleeve (6041). The connecting rod (6042) is movably inserted into the through hole (5027).

10. The synthesis process for producing polyurethane rubber according to claim 9, characterized in that, The bottom end of the main turntable (5022) is fixedly provided with a fixed insertion block B (6044), and the slot (6043) is adapted to the fixed insertion block A (603) and the fixed insertion block B (6044); One of the movable sleeve blocks (6041) is also fixedly fitted with a fixing ring (6045), and a plug rod (6046) is fixedly fitted on the outer wall of the fixing ring (6045). The end of the plug rod (6046) away from the fixing ring (6045) is movably inserted into the mounting plate (5014), and the end of the plug rod (6046) away from the fixing ring (6045) is also connected to the output end of the electric push rod (602).

Images