Segmented heating equipment for processing high-viscosity thermoplastic elastomer

Abstract

The invention discloses segmented heating equipment for processing a high-viscosity thermoplastic elastomer, and relates to the technical field of high polymer material heating. Comprising a mounting frame, a moving control assembly is mounted on the inner wall of the mounting frame, a moving mixing assembly is mounted in the middle of the inner wall of the mounting frame, a heat insulation plate is mounted on the top wall of the mounting frame, and a telescopic heat insulation sleeve is mounted on the inner wall of the heat insulation plate. When the high-viscosity thermoplastic elastomer is heated, a segmented heating mode is adopted, so that plastic particles are stably transited from a fixed state to a molten state, the problem of local overheating degradation or non-uniform plasticizing is avoided, the whole body is uniformly heated during heating, and small solid particles exist in the molten state; the quality of the high-viscosity thermoplastic elastomer is influenced, and the plastic particles are uniformly heated in the respective heating temperature zones in a bidirectional rotating and stirring manner all the time during heating.

Description

Technical Field

[0001] The present invention relates to the technical field of polymer material heating, and specifically to a segmented heating device for processing high-viscosity thermoplastic elastomers. Background Art

[0002] High-viscosity thermoplastic elastomer is a kind of polymer material, also known as thermoplastic rubber. This material exhibits the characteristics of vulcanized rubber at room temperature, that is, it has elastomer characteristics, and at high temperatures, it can be plasticized and deformed, combining the elasticity of rubber and the plasticity of plastic, but it has high melt viscosity and thermal sensitivity.

[0003] Regarding the above related technologies, it is considered that when heating thermoplastic rubber, rubber particles are usually directly added into the heating device for heating treatment, and at the same time, stirring is assisted during heating to improve the uniformity of heat reception. However, during the process from solid state to molten state during heating, there is an uneven situation, and small solid particles will exist inside the molten state. The segmented heating device realizes a smooth transition of the material from solid state to molten state through independent control of multiple temperature zones, avoiding local overheating degradation or uneven plasticization. Summary of the Invention

[0004] The purpose of the present invention is to provide a segmented heating device for processing high-viscosity thermoplastic elastomers, which solves the problem that small particles exist inside the molten rubber due to uneven heat reception when heating rubber particles in a conventional heating device.

[0005] To achieve this purpose, the present invention adopts the following technical solutions:

[0006] A segmented heating device for processing high-viscosity thermoplastic elastomers includes a mounting frame. A movement control component is installed on the inner wall of the mounting frame. A movement mixing component is installed in the middle of the inner wall of the mounting frame. A heat insulation plate is installed on the top wall of the mounting frame. A telescopic heat insulation sleeve is installed on the inner wall of the heat insulation plate. A heat insulation cover is fixedly installed on the top wall of the mounting frame. A partitioning component is installed on the top wall of the heat insulation cover. A receiving frame is installed on the top wall of the partitioning component. A purification component is installed on the top wall of the receiving frame. A number of heating coils are evenly installed on the bottom wall of the partitioning component. The number of heating coils are arranged in sequence from left to right. The positions of the number of heating coils inside the heat insulation cover are divided into a low-temperature zone, a medium-temperature zone, and a high-temperature zone in sequence from left to right. Temperature sensors are fixedly installed on the top wall of the heat insulation plate corresponding to the positions of the low-temperature zone, the medium-temperature zone, and the high-temperature zone. The inner wall of the telescopic heat insulation sleeve is in contact with the outer wall of the movement mixing component. The number of heating coils are all controlled by an external heating module.

[0007] Furthermore, the mobile mixing component includes a biaxial servo motor, which is fixedly connected to the left side wall of the mounting frame. A regulating lead screw is rotatably installed on the inner wall of the mounting frame. The power shaft of the biaxial servo motor penetrates through the mounting frame through a bearing and is fixedly connected to the regulating lead screw. A limiting rod is fixedly installed on the inner wall of the mounting frame and at the bottom of the regulating lead screw. A sliding seat is screwed onto the outer wall of the regulating lead screw, and the inner wall of the bottom of the sliding seat is slidably connected to the outer wall of the limiting rod.

[0008] Furthermore, a support plate is fixedly installed on the top wall of the sliding seat. A rotating shaft is rotatably installed on the top wall of the support plate through a bearing seat. A first transmission gear is fixedly installed on the outer wall of the rotating shaft. A first transmission rack is fixedly installed on the inner wall of the mounting frame and on one side of the first transmission gear. The first transmission rack is meshed with the first transmission gear.

[0009] Furthermore, a support seat is installed on the outer wall of the rotating shaft. A number of C-shaped seats are evenly installed on the outer wall of the support seat. Mounting rings are fixedly installed on the inner walls of the number of C-shaped seats. A containing cylinder is installed on the inner wall of the mounting ring through a bearing. The outer wall of the containing cylinder is fitted to the middle of the inner wall of the telescopic heat insulation sleeve. A steering rod is rotatably installed on the inner wall of the containing cylinder. A number of stirring blades are evenly installed on the outer wall of the steering rod. The bottom end of the steering rod sequentially penetrates through the containing cylinder and the support seat through a leak-proof bearing and is fixedly connected to the top end of the rotating shaft. A second transmission gear is fixedly installed at the bottom of the outer wall of the containing cylinder. A second transmission rack is fixedly installed on the inner wall of the mounting frame and on one side of the second transmission gear. The second transmission rack is meshed with the second transmission gear.

[0010] Furthermore, the crushing and grinding component includes a processing box, which is fixedly connected to the side wall of the accommodating frame. A feed hopper is communicated with the top wall of the processing box. A storage bin is communicated with the bottom end of the processing box. A discharge pipe is communicated with the bottom wall of the storage bin. The bottom end of the discharge pipe penetrates through the heat insulation cover through a leak-proof rubber sleeve and extends to the inside. A control valve is installed on the outer wall of the discharge pipe. Crushing rollers are rotatably installed on the left and right sides of the inner wall of the processing box. Driving gears one are fixedly installed at the front ends of the roller shafts of the two crushing rollers through bearings and penetrate through the processing box. The two driving gears one are meshed with each other. A first synchronous pulley is fixedly installed at the front end of the roller shaft of the left crushing roller. Grinding rollers are rotatably installed on the left and right sides of the inner wall of the processing box and below the crushing rollers. Driving gears two are fixedly installed at the front ends of the roller shafts of the two grinding rollers through bearings and penetrate through the processing box. The two driving gears two are meshed with each other. A second synchronous pulley is fixedly installed at the front end of the roller shaft of the left grinding roller. The second synchronous pulley is driven by a synchronous belt to be connected with the first synchronous pulley. A third synchronous pulley is fixedly installed at the front end of the roller shaft of the right grinding roller. A fourth synchronous pulley is fixedly installed on the left end power shaft of the biaxial servo motor. The fourth synchronous pulley is driven by a synchronous belt to be connected with the third synchronous pulley. A protective shell is fixedly installed on the side wall of the processing box and at the positions corresponding to the crushing rollers and the fourth synchronous pulley.

[0011] Further, the movement control component includes a sensor, the sensor is fixedly installed on the rear wall of the sliding seat, and a plurality of induction coils are installed on the inner rear wall of the mounting frame. The plurality of induction coils are evenly arranged in sequence from left to right and are matched with the positions of the low-temperature area, the medium-temperature area, and the high-temperature area. The plurality of induction coils are divided into a low-temperature area induction coil, a medium-temperature area induction coil, and a high-temperature area induction coil in sequence from left to right.

[0012] Further, the separation component includes a closing plate, the outer wall of the closing plate is fixedly connected to the accommodating frame and the heat insulation cover, through grooves are formed in both the left and right sides of the top wall of the closing plate, electric push rods are fixedly installed on both the left and right sides of the top wall of the accommodating frame, the movable ends of the two electric push rods slide through the accommodating frame and are fixedly installed with sealing seats, the bottom walls of the two sealing seats are attached to the top wall of the closing plate, heat insulation members are fixedly installed on the bottom walls of the two sealing seats, and the outer walls of the two heat insulation members are attached to the inner walls of the through grooves.

[0013] Further, the purification component includes an exhaust fan, the exhaust fan is fixedly connected to the top wall of the accommodating frame, the exhaust port of the exhaust fan is communicated with an exhaust duct, the front end of the exhaust duct is communicated with a purification box, a multi-stage filter screen is evenly installed on the inner wall of the purification box, the filter holes of the multi-stage filter screen gradually become larger from front to back, and the front end of the purification box is communicated with an exhaust pipe.

[0014] Further, a connecting pipe is fixedly installed on the rear wall of the heat insulation cover through a mounting seat, a conveying pipe is communicated with the outer wall of the connecting pipe, the top end of the conveying pipe is connected to the air inlet of the exhaust fan, a plurality of air extraction pipes are evenly communicated with the bottom of the connecting pipe, the plurality of air extraction pipes all penetrate through the heat insulation cover through leak-proof rubber sleeves and extend to the inside and are communicated with the corresponding low-temperature area, medium-temperature area, and high-temperature area, and a sealing cover is installed on the top wall of the purification box.

[0015] Further, a closing door is hingedly installed on the right side wall of the heat insulation cover, a main controller is fixedly installed on the front wall of the mounting frame, and the main controller is electrically connected to the heating coil, the external heating module, the temperature sensor, the dual-axis servo motor, the sensor, the low-temperature area induction coil, the medium-temperature area induction coil, the high-temperature area induction coil, the electric push rod, and the exhaust fan.

[0016] Compared with the prior art, the present invention has the following beneficial effects: 1. When heating the high-viscosity thermoplastic elastomer, the segmented heating device enables the plastic particles to smoothly transition from a fixed state to a molten state by adopting a segmented heating method, avoiding problems such as local overheating degradation or uneven plasticization. During heating, the overall heating is uniform to prevent the presence of small solid particles inside in the molten state, which would affect the quality of the high-viscosity thermoplastic elastomer. During heating, the plastic particles are always heated evenly in their respective heating temperature zones through a two-way rotating stirring method.

[0017] 2. For the segmented heating device for processing high-viscosity thermoplastic elastomers, the purification component is provided. When heating the plastic particles, odor gases are generated. After the odor gases are extracted, they are filtered and purified before being discharged, avoiding affecting the work and the external environment.

[0018] 3. For the segmented heating device for processing high-viscosity thermoplastic elastomers, the partition component is provided, mainly for temperature isolation of the low, medium, and high temperature zones, preventing large temperature deviations during the heating of plastic particles and affecting the molding state of the plastic.

[0019] 4. For the segmented heating device for processing high-viscosity thermoplastic elastomers, under the operation of the movement control component, when the plastic particles are heated in the corresponding temperature zone and in cooperation with the movement mixing component, the plastic particles can be stirred during continuous movement, improving their heating uniformity, and the movement trajectory of the storage cylinder is limited to move only within a specific area, having good heating and limiting effects.

[0020] 5. For the segmented heating device for processing high-viscosity thermoplastic elastomers, through the setting of the crushing and grinding component and in cooperation with the movement control component, the double-axis servo motor drives the crushing and grinding component to work, performing crushing and grinding on the plastic particles to be heated, reducing the volume of the plastic particles, shortening the time-consuming in the subsequent heating process, and further improving the overall hot melting efficiency.

[0021] Of course, it is not necessary for any product implementing the present invention to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0023] The structures, proportions, sizes, etc. depicted in the accompanying drawings of this specification are only used to cooperate with the content disclosed in the specification for those familiar with this technology to understand and read, and are not used to limit the conditions for the implementation of the present invention. Therefore, they do not have any substantial technical significance. Any modification of the structure, change in the proportional relationship, or adjustment of the size, without affecting the effects that the present invention can produce and the purposes that can be achieved, should still fall within the scope covered by the technical content disclosed in the present invention.

[0024] Figure 1 is the front view of the external structure of the present invention; Figure 2 is the rear view of the external structure of the present invention; Figure 3 is the exploded view of the internal structure of the separation component of the present invention; Figure 4 is the exploded bottom view of the internal structure of the separation component of the present invention; Figure 5 is the schematic diagram of the partial structure of the mobile mixing component of the present invention; Figure 6 is the exploded view of the overall structure of the mobile mixing component of the present invention; Figure 7 is the rear view of the exploded overall structure of the mobile mixing component of the present invention; Figure 8 is the exploded view of the partial structure of the mobile mixing component of the present invention; Figure 9 is the rear view of the external structure of the mobile control component of the present invention; Figure 10 is the exploded view of the internal structure of the purification component of the present invention; Figure 11 is the schematic diagram of the external structure of the crushing and grinding component of the present invention; Figure 12 is the exploded view of the internal structure of the crushing and grinding component of the present invention; Figure 13 is the combined schematic diagram of the internal structure of the crushing and grinding component of the present invention.

[0025] Illustration: 1. Mounting frame; 2. Main controller; 3. Mobile mixing assembly; 31. Biaxial servo motor; 32. Adjusting lead screw; 33. Limit rod; 34. Slide seat; 35. Support plate; 36. Rotating shaft; 37. First transmission gear; 38. Support base; 39. C-shaped seat; 310. Mounting ring; 311. Holding cylinder; 312. Second transmission gear; 313. Second transmission rack; 314. Steering rod; 315. Stirring blade; 316. First transmission rack; 4. Purification assembly; 41. Exhaust fan; 42. Exhaust duct; 43. Purification box; 44. Multi-stage filter screen; 45. Sealing cover; 46. Exhaust pipe; 47. Delivery pipe; 48. Connecting pipe; 49. Suction pipe; 5. Partition assembly; 51. Sealing plate; 52. Through slot; 53. Electric push rod; 54. Sealing seat; 55. Heat insulation part; 6. Heat insulation cover; 7. Mobile control assembly; 71. Inductor; 72. Induction coil; 721. Low-temperature zone induction coil; 722. Medium-temperature zone induction coil; 723. High-temperature zone induction coil; 8. Heating coil; 9. Heat insulation plate; 10. Telescopic heat insulation sleeve; 11. Temperature sensor; 12. Accommodation rack; 13. Crushing and grinding assembly; 131. Processing box; 132. Protective shell; 133. Feed hopper; 134. Storage bin; 135. Discharge pipe; 136. Control valve; 137. Crushing roller; 138. First driving gear; 139. Grinding roller; 1310. Second synchronous pulley; 1311. Third synchronous pulley; 1312. Fourth synchronous pulley; 1313. First synchronous pulley; 1314. Second driving gear; 14. Sealing door. Detailed implementation mode

[0026] In order to make the invention objectives, features, and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the embodiments described below are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

[0027] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention. It should be noted that when a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be an intermediate component present at the same time.

[0028] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation modes.

[0029] Please refer to Figures 1-13 For a technical solution provided by an embodiment of the present invention: a segmented heating device for processing high-viscosity thermoplastic elastomers, including a mounting frame 1, a moving control component 7 is installed on the inner wall of the mounting frame 1, a moving mixing component 3 is installed in the middle of the inner wall of the mounting frame 1, a heat insulation plate 9 is installed on the top wall of the mounting frame 1, a telescopic heat insulation sleeve 10 is installed on the inner wall of the heat insulation plate 9, a heat insulation cover 6 is fixedly installed on the top wall of the mounting frame 1, a partitioning component 5 is installed on the top wall of the heat insulation cover 6, a receiving frame 12 is installed on the top wall of the partitioning component 5, a purification component 4 is installed on the top wall of the receiving frame 12, a plurality of heating coils 8 are evenly installed on the bottom wall of the partitioning component 5, the plurality of heating coils 8 are arranged in sequence from left to right, and the positions of the plurality of heating coils 8 inside the heat insulation cover 6 are divided into a low-temperature zone, a medium-temperature zone, and a high-temperature zone in sequence from left to right. Temperature sensors 11 are fixedly installed on the top wall of the heat insulation plate 9 corresponding to the positions of the low-temperature zone, the medium-temperature zone, and the high-temperature zone. The inner wall of the telescopic heat insulation sleeve 10 is attached to the outer wall of the moving mixing component 3, and the plurality of heating coils 8 are all controlled by an external heating module.

[0030] The entire device is divided into a low-temperature zone, a medium-temperature zone, and a high-temperature zone, and the temperature of the corresponding heating zone is controlled and heated by the corresponding heating coil 8. Temperature sensors 11 are installed inside each temperature zone for real-time monitoring, so that the heating temperature can be controlled in real time to avoid temperature deviation and affect the molding state of plastic particles. The main functions of the heat insulation plate 9 and the telescopic heat insulation sleeve 10 are to protect the electrical control components inside the mounting frame 1 and prevent damage caused by high temperature.

[0031] In this implementation, by heating the plastic particles in segments, it gradually transitions from a fixed particle state to a molten state, avoiding problems such as local overheating degradation or uneven plasticization. At the same time, the plastic particles are melted thoroughly to avoid residual small particles.

[0032] Specifically, the moving mixing component 3 includes a double-shaft servo motor 31, the double-shaft servo motor 31 is fixedly connected to the left side wall of the mounting frame 1, an adjusting screw rod 32 is rotatably installed on the inner wall of the mounting frame 1, the power shaft of the double-shaft servo motor 31 passes through the mounting frame 1 through a bearing and is fixedly connected to the adjusting screw rod 32, a limiting rod 33 is fixedly installed on the inner wall of the mounting frame 1 and at the bottom of the adjusting screw rod 32, a sliding seat 34 is screwed on the outer wall of the adjusting screw rod 32, and the inner wall of the bottom of the sliding seat 34 is slidably connected to the outer wall of the limiting rod 33.

[0033] The moving and mixing component 3 is mainly used to adjust the moving trajectory of the storage cylinder 311, so that the storage cylinder 311 is always in a moving state. When moving, with the help of self-rotation and stirring assistance, the plastic particles inside the storage cylinder 311 are always in a stirred state, so that the plastic particles accumulated at the bottom can be turned out and also come into contact with heat, making the overall heating more uniform. The rotation of the adjusting screw rod 32 is driven by the change of the power shaft rotation direction of the double-shaft servo motor 31, and then the sliding seat 34 is driven to slide along the outer walls of the adjusting screw rod 32 and the limiting rod 33.

[0034] In this embodiment, the double-shaft servo motor 31 is electrically connected to it through an external power supply and the main controller 2 to make it rotate. When the sliding seat 34 slides along the outer walls of the adjusting screw rod 32 and the limiting rod 33, the sliding seat 34 can avoid flipping, improving the overall operation stability.

[0035] Specifically, a support plate 35 is fixedly installed on the top wall of the sliding seat 34. A rotating shaft 36 is rotatably installed on the top wall of the support plate 35 through a bearing seat. A first transmission gear 37 is fixedly installed on the outer wall of the rotating shaft 36. A first transmission rack 316 is fixedly installed on the inner wall of the mounting frame 1 and on one side of the first transmission gear 37. The first transmission rack 316 is meshed with the first transmission gear 37.

[0036] When the sliding seat 34 moves, it will drive the support plate 35 to move, and then drive the rotating shaft 36 and the first transmission gear 37 to rotate along the path of the first transmission rack 316. When the rotating shaft 36 rotates, it will drive the support seat 38, the steering rod 314 and the stirring blade 315 to rotate. When the stirring blade 315 rotates inside the storage cylinder 311, it stirs the plastic particles, improving the overall heating uniformity.

[0037] In this embodiment, the continuous movement of the sliding seat 34 drives the rotating shaft 36 and the first transmission gear 37 to rotate along the first transmission rack 316, so that the steering rod 314 and the stirring blade 315 are driven to rotate in one direction, stirring the plastic particles, so that the plastic particles at the bottom are turned up and come into contact with the temperature of the corresponding temperature zone.

[0038] Specifically, a support base 38 is installed on the outer wall of the rotating shaft 36. A number of C-shaped seats 39 are evenly installed on the outer wall of the support base 38. Installation rings 310 are fixedly installed on the inner walls of the number of C-shaped seats 39. A rotating storage cylinder 311 is installed on the inner wall of the installation ring 310 through a bearing. The outer wall of the storage cylinder 311 is attached to the middle part of the inner wall of the telescopic heat insulation sleeve 10. A steering rod 314 is rotatably installed on the inner wall of the storage cylinder 311. A number of stirring blades 315 are evenly installed on the outer wall of the steering rod 314. The bottom end of the steering rod 314 sequentially penetrates through the storage cylinder 311 and the support base 38 through a leak-proof bearing and is fixedly connected to the top end of the rotating shaft 36. A second transmission gear 312 is fixedly installed at the bottom of the outer wall of the storage cylinder 311. A second transmission rack 313 is fixedly installed on the inner wall of the installation frame 1 on one side of the second transmission gear 312. The second transmission rack 313 is meshed with the second transmission gear 312.

[0039] In this implementation scheme, the rotating shaft 36 drives the steering rod 314 and the stirring blades 315 to rotate inside the storage cylinder 311, so that the plastic particles are fully mixed and stirred. When the storage cylinder 311 moves, it will drive the second transmission gear 312 to rotate along the path of the second transmission rack 313. The rotating directions of the storage cylinder 311 and the stirring blades 315 are opposite to prevent the plastic particles from being unevenly heated due to one-way rotation.

[0040] Specifically, the crushing and grinding assembly 13 includes a processing box 131. The processing box 131 is fixedly connected to the side wall of the accommodating frame 12. A feed hopper 133 is communicated with the top wall of the processing box 131. A storage bin 134 is communicated with the bottom end of the processing box 131. A discharge pipe 135 is communicated with the bottom wall of the storage bin 134. The bottom end of the discharge pipe 135 penetrates through the heat insulation cover 6 through a leak-proof rubber sleeve and extends to the inside. A control valve 136 is installed on the outer wall of the discharge pipe 135. Crushing rollers 137 are rotatably installed on the left and right sides of the inner wall of the processing box 131. The front ends of the roller shafts of the two crushing rollers 137 are fixedly installed with a first driving gear 138 through bearings penetrating through the processing box 131. The two first driving gears 138 are meshed with each other. A first synchronous pulley 1313 is fixedly installed at the front end of the roller shaft of the crushing roller 137 on the left side. Grinding rollers 139 are rotatably installed on the left and right sides of the inner wall of the processing box 131 and below the crushing rollers 137. The front ends of the roller shafts of the two grinding rollers 139 are fixedly installed with a second driving gear 1314 through bearings penetrating through the processing box 131. The two second driving gears 1314 are meshed with each other. A second synchronous pulley 1310 is fixedly installed at the front end of the roller shaft of the grinding roller 139 on the left side. The second synchronous pulley 1310 is connected by a synchronous belt to the first synchronous pulley 1313. A third synchronous pulley 1311 is fixedly installed at the front end of the roller shaft of the grinding roller 139 on the right side. A fourth synchronous pulley 1312 is fixedly installed on the left power shaft of the double-shaft servo motor 31. The fourth synchronous pulley 1312 is connected by a synchronous belt to the third synchronous pulley 1311. A protective shell 132 is fixedly installed on the side wall of the processing box 131 at positions corresponding to the crushing rollers 137 and the fourth synchronous pulley 1312.

[0041] In the present embodiment, the crushing and grinding assembly 13 is arranged so that when the dual-axis servo motor 31 is working, the entire crushing and grinding assembly 13 is synchronously driven to work, and plastic particles are put into the processing box 131 through the feed hopper 133. After the plastic particles are initially crushed by the crushing roller 137, the crushed plastic particles are ground by the grinding roller 139. The processed plastic particles fall into the storage bin 134 for storage. After the control valve 136 is opened, the plastic particles are transported to the containing cylinder 311 through the discharge pipe 135 for heating treatment, so that the time spent on subsequent heating of the plastic particles after pretreatment is shortened, thereby improving the hot melt efficiency.

[0042] Specifically, the mobile control component 7 includes a sensor 71, which is fixedly mounted on the rear wall of the slide 34. A plurality of induction coils 72 are mounted on the inner rear wall of the mounting frame 1. The plurality of induction coils 72 are evenly arranged from left to right and match the positions of the low temperature zone, the medium temperature zone and the high temperature zone. The plurality of induction coils 72 are divided from left to right into a low temperature zone induction coil 721, a medium temperature zone induction coil 722 and a high temperature zone induction coil 723.

[0043] In this embodiment, the sensor 71 is mainly used in conjunction with the induction coil 72, and according to the positions of the low temperature zone induction coil 721, the medium temperature zone induction coil 722 and the high temperature zone induction coil 723, the moving route of the slide 34 is limited, and it moves to the corresponding position within the specified time.

[0044] Specifically, the partition assembly 5 includes a closing plate 51, the outer wall of the closing plate 51 is fixedly connected to the containing frame 12 and the heat insulation cover 6, and through grooves 52 are opened on the left and right sides of the top wall of the closing plate 51. Electric push rods 53 are fixedly installed on the left and right sides of the top wall of the containing frame 12. The movable ends of the two electric push rods 53 slide through the containing frame 12 and are fixedly installed with sealing seats 54. The bottom walls of the two sealing seats 54 are fitted with the top wall of the closing plate 51, and the bottom walls of the two sealing seats 54 are fixedly installed with heat insulation parts 55. The outer walls of the two heat insulation parts 55 are fitted with the inner walls of the through grooves 52.

[0045] In this embodiment, the partition assembly 5 is mainly arranged to isolate the low temperature zone, the medium temperature zone and the high temperature zone by driving the sealing seat 54 and the heat insulating member 55 through the contraction of the movable end of the electric push rod 53 .

[0046] Specifically, the purification component 4 includes an exhaust fan 41, which is fixedly connected to the top wall of the containing frame 12. The exhaust port of the exhaust fan 41 is connected to an exhaust pipe 42. The front end of the exhaust pipe 42 is connected to a purification box 43. The inner wall of the purification box 43 is evenly installed with multi-stage filter screens 44. The filter holes of the multi-stage filter screens 44 become larger from front to back. The front end of the purification box 43 is connected to an exhaust pipe 46.

[0047] In this implementation, odor gas is generated when heating plastic particles. After being extracted by the exhaust fan 41, it is injected into the purification box 43 through the exhaust duct 42, filtered by the multi-stage filter screen 44, and discharged to the external environment through the exhaust pipe 46 to avoid polluting the working place and causing discomfort.

[0048] Specifically, a connecting pipe 48 is fixedly installed on the rear wall of the heat insulation cover 6 through a mounting seat. A conveying pipe 47 communicates with the outer wall of the connecting pipe 48. The top end of the conveying pipe 47 is connected to the air inlet of the exhaust fan 41. A plurality of exhaust pipes 49 are evenly communicated with the bottom of the connecting pipe 48. All the plurality of exhaust pipes 49 penetrate through the heat insulation cover 6 through leak-proof rubber sleeves and extend to the inside and are connected to the corresponding low-temperature zone, medium-temperature zone, and high-temperature zone. A sealing cover 45 is installed on the top wall of the purification box 43.

[0049] In this implementation, under the mutual cooperation of the exhaust fan 41, the connecting pipe 48, the conveying pipe 47, and the exhaust pipes 49, the odor gas inside the low-temperature zone, medium-temperature zone, and high-temperature zone is extracted and purified. When the multi-stage filter screen 44 needs to be replaced, after opening the sealing cover 45, the multi-stage filter screen 44 located inside the purification box 43 is taken out for replacement.

[0050] Specifically, a closing door 14 is hingedly installed on the right side wall of the heat insulation cover 6. A main controller 2 is fixedly installed on the front wall of the mounting frame 1. The main controller 2 is electrically connected to the heating coil 8, the external heating module, the temperature sensor 11, the double-shaft servo motor 31, the inductor 71, the low-temperature zone induction coil 721, the medium-temperature zone induction coil 722, the high-temperature zone induction coil 723, the electric push rod 53, and the exhaust fan 41.

[0051] In this implementation, the opening and closing of the closing door 14 is mainly to facilitate the taking and placing of plastic particles. At the same time, the main controller 2 controls the operation of the electric control components of the entire device.

[0052] The working principle of this device: Before working, first, the double-shaft servo motor 31, the exhaust fan 41, the electric push rod 53, the inductor 71, the induction coil 72, the low-temperature zone induction coil 721, the medium-temperature zone induction coil 722, the high-temperature zone induction coil 723, the heating coil 8, and the temperature sensor 11 are electrically connected through an external power source and the main controller 2. When heating plastic particles, the contraction of the movable end of the electric push rod 53 drives the sealing seat 54 and the heat insulation member 55 to rise, so that the heat insulation member 55 passes through the inner wall of the through groove 52 and enters the inside of the receiving frame 12.

[0053] Next, the plastic particles are put into the interior of the processing box 131 through the feed hopper 133. After the plastic particles enter the interior of the processing box 131, they stay at the position above the crushing roller 137. Start the double-shaft servo motor 31, and its left-end power shaft drives the fourth synchronous wheel 1312 to rotate. When the fourth synchronous wheel 1312 rotates, it drives the third synchronous wheel 1311 to rotate through the synchronous belt. When the third synchronous wheel 1311 rotates, it drives the grinding roller 139 and the roller shaft to rotate, so that when the roller shaft of the grinding roller 139 rotates, the two second driving gears 1314 rotate in opposite directions, and the grinding roller 139 rotates in opposite directions, and synchronously drives the second synchronous wheel 1310 and the synchronous belt to rotate. Driven by the synchronous belt, the first synchronous wheel 1313 rotates. Driven by the first synchronous wheel 1313, the crushing roller 137 and the first driving gear 138 rotate, and the two first driving gears 138 rotate in opposite directions. The plastic particles put into the interior of the processing box 131 are preliminarily crushed by the crushing roller 137 and then fall onto the grinding roller 139. After being ground, they enter the interior of the storage bin 134 for storage. Then, open the control valve 136, and the plastic particle powder enters the interior of the holding cylinder 311 through the discharge pipe 135; When the power shaft of the double-shaft servo motor 31 rotates, it drives the adjusting screw rod 32 to rotate. Driven by the components of the moving and mixing assembly 3, the holding cylinder 311 moves linearly left and right. After the plastic particles are ground, the holding cylinder 311 is driven by the components of the moving and mixing assembly 3 to move to the left side of the heat insulation cover 6 to receive the discharging process from the discharge pipe 135. This process is the preliminary feeding; After the preliminary feeding is completed, the plastic particle powder in the storage bin 134 is conveyed through the discharge pipe 135, and then plastic particles are put into the interior of the processing box 131 again. When the moving and mixing assembly 3 starts to work, the plastic particles are pretreated in the above-mentioned manner. Through the setting of the crushing and grinding assembly 13, the plastic particles can be subjected to crushing and grinding pretreatment, so that the time consumption is further shortened when the plastic particle powder is heated in segments later, and the melting efficiency of the whole device for the plastic particles can be improved; Set the heating times in the low-temperature zone, medium-temperature zone, and high-temperature zone in sequence, and control the heating coil 8 in the low-temperature zone to start working through the external heating module. Start the double-axis servo motor 31 to drive the adjusting screw rod 32 to rotate, so that the sliding seat 34 moves from left to the low-temperature zone along the outer walls of the adjusting screw rod 32 and the limiting rod 33. When the sliding seat 34 moves, it will drive the inductor 71 to move synchronously, so that the inductor 71 moves within the area where the low-temperature zone induction coil 721 is located inside the mounting frame 1. When the inductor 71 is about to move out of the area where the low-temperature zone induction coil 721 is located, the power shaft of the double-axis servo motor 31 rotates in the reverse direction to make the sliding seat 34 start to move in the reverse direction. Through the change of the rotation direction of the power shaft of the double-axis servo motor 31, within the specified time, the sliding seat 34 drives the inductor 71 to always be within the induction range of the low-temperature zone induction coil 721; Due to the change of the rotation direction of the power shaft of the double-axis servo motor 31, when the crushing roller 137 and the grinding roller 139 rotate in the outward direction, this process does not perform crushing and grinding on the plastic particles. When the crushing roller 137 and the grinding roller 139 rotate in the inward direction, this process continues to perform crushing and grinding on the plastic particles; At this time, the electric push rod 53 pushes the sealing seat 54 and the heat insulation member 55 to pass through the inner wall of the through groove 52 on the closing plate 51 and contact the top wall of the heat insulation plate 9. The low-temperature zone and the medium-temperature zone are isolated through the heat insulation member 55. The internal temperature of the low-temperature zone is sensed in real time through the temperature sensor 11. When the sliding seat 34 drives the support plate 35 to move, the rotating shaft 36 synchronously drives the rotating shaft 36 and the first transmission gear 37 to move inside the mounting frame 1. The first transmission gear 37 rotates inside the low-temperature zone along the first transmission rack 316 meshed with it. When the rotating shaft 36 rotates, it will drive the support seat 38, the C-shaped seat 39, and the mounting ring 310 to rotate. The rotating shaft 36 synchronously drives the steering rod 314 and the stirring blade 315 to rotate inside the storage cylinder 311, so that the stirring blade 315 mixes and stirs the plastic particles placed inside the storage cylinder 311, making the plastic particles heat more evenly at the bottom of the heating coil 8 in the low-temperature zone; When the storage cylinder 311 moves, it will drive the telescopic heat insulation sleeve 10 in the inner wall of the heat insulation plate 9 to be compressed, and drive the second transmission gear 312 to rotate along the path of the second transmission rack 313 meshed with it. The storage cylinder 311 rotates inside the inner wall of the mounting ring 310, so that the rotation direction of the storage cylinder 311 is opposite to that of the stirring blade 315, avoiding the situation that the plastic particles inside the storage cylinder 311 rotate in a single direction and cause uneven stirring and uneven heating; When the plastic particles inside the storage cylinder 311 are about to reach the remaining heating time of 3 - 5 minutes, the heating coil 8 in the medium - temperature zone is controlled by the external heating module to start pre - heating. After the plastic particles reach the heating time in the low - temperature zone, the electric push rod 53 on the left drives the sealing seat 54 and the heat - insulating part 55 to slide upward along the inner wall of the through - slot 52. The double - shaft servo motor 31 drives the adjusting screw rod 32 to continue rotating, so that the sliding seat 34 drives the support plate 35, the rotating shaft 36, the support seat 38, the storage cylinder 311 and the plastic particles inside to enter the pre - heated medium - temperature zone, and start to be heated by the heating coil 8 in the medium - temperature zone; At the same time, the electric push rods 53 on the left and right sides push the sealing seat 54 and the heat - insulating part 55 into the through - slot 52 to isolate the low - temperature, medium - temperature and high - temperature zones. When the sliding seat 34 moves, it drives the inductor 71 to linearly move left and right within the range where the medium - temperature zone induction coil 722 is located. At the same time, it is the same as the heating mode in the low - temperature zone above, and enters the high - temperature zone in the same way to heat the plastic particles. And when heating, the sliding seat 34 drives the inductor 71 to move left and right within the induction range of the high - temperature zone induction coil 723 until the plastic particles become fully molten, so that the plastic particles can smoothly transition to the molten state. A high - temperature - resistant anti - sticking coating is provided on the surface of the storage cylinder 311 and the stirring blade 315, which can prevent the molten plastic particles from sticking to the storage cylinder 311 and the stirring blade 315; In the heating state, the electric push rod 53 always pushes the sealing seat 54 and the heat - insulating part 55 to isolate the low - temperature, medium - temperature and high - temperature zones. When heating the plastic particles, the exhaust fan 41 is started. Through the cooperation of the delivery pipe 47, the connecting pipe 48 and the exhaust pipe 49, the odor gas generated by heating inside the low - temperature, medium - temperature and high - temperature zones is extracted, and after being filtered by the multi - stage filter screen 44 in the purification box 43 through the delivery of the exhaust duct 42, it is discharged to the outside through the exhaust pipe 46.

[0054] As mentioned above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A segmented heating device for processing high-viscosity thermoplastic elastomers, characterized in that: It includes a mounting frame (1), a mobile control component (7) is installed on the inner wall of the mounting frame (1), and a mobile mixing component (3) is installed in the middle of the inner wall of the mounting frame (1); A heat insulation board (9) is installed on the top wall of the mounting frame (1), a telescopic heat insulation sleeve (10) is installed on the inner wall of the heat insulation board (9), a heat insulation cover (6) is fixedly installed on the top wall of the mounting frame (1), a separation component (5) is installed on the top wall of the heat insulation cover (6), a receiving frame (12) is installed on the top wall of the separation component (5), and a purification component (4) is installed on the top wall of the receiving frame (12); A number of heating coils (8) are evenly installed on the bottom wall of the separation component (5), the number of heating coils (8) are arranged in sequence from left to right, the positions of the number of heating coils (8) inside the heat insulation cover (6) are divided into a low temperature zone, a medium temperature zone and a high temperature zone in sequence from left to right, temperature sensors (11) are fixedly installed on the top wall of the heat insulation board (9) corresponding to the positions of the low temperature zone, the medium temperature zone and the high temperature zone, the inner wall of the telescopic heat insulation sleeve (10) is attached to the outer wall of the mobile mixing component (3), the number of heating coils (8) are all controlled by an external heating module, and a crushing and grinding component (13) is fixedly installed on the side wall of the receiving frame (12).

2. The segmented heating device for processing high-viscosity thermoplastic elastomer according to claim 1, wherein: The mobile mixing component (3) includes a double-shaft servo motor (31), the double-shaft servo motor (31) is fixedly connected to the left side wall of the mounting frame (1), an adjusting lead screw (32) is rotatably installed on the inner wall of the mounting frame (1), the power shaft of the double-shaft servo motor (31) passes through the mounting frame (1) through a bearing and is fixedly connected to the adjusting lead screw (32), a limiting rod (33) is fixedly installed on the inner wall of the mounting frame (1) and at the bottom of the adjusting lead screw (32), a sliding seat (34) is screwed on the outer wall of the adjusting lead screw (32), and the bottom inner wall of the sliding seat (34) is slidably connected to the outer wall of the limiting rod (33).

3. The segmented heating device for processing high-viscosity thermoplastic elastomer according to claim 2, wherein: A support plate (35) is fixedly installed on the top wall of the sliding seat (34), a rotating shaft (36) is rotatably installed on the top wall of the support plate (35) through a bearing seat, a transmission gear one (37) is fixedly installed on the outer wall of the rotating shaft (36), a transmission rack one (316) is fixedly installed on the inner wall of the mounting frame (1) and on one side of the transmission gear one (37), and the transmission rack one (316) is meshed with the transmission gear one (37).

4. The segmented heating device for processing high-viscosity thermoplastic elastomer according to claim 3, characterized in that: The outer wall of the rotating shaft (36) is installed with a support seat (38), and the outer wall of the support seat (38) is evenly installed with a plurality of C-shaped seats (39), and the inner walls of the plurality of C-shaped seats (39) are fixedly installed with mounting rings (310), and the inner wall of the mounting ring (310) is installed with a containing cylinder (311) via a bearing, and the outer wall of the containing cylinder (311) is in contact with the middle part of the inner wall of the telescopic heat insulation sleeve (10), and a steering rod (314) is rotatably installed on the inner wall of the containing cylinder (311), and the outer wall of the steering rod (314) is evenly installed with a plurality of stirring blades (315), and the bottom end of the steering rod (314) passes through the containing cylinder (311) and the support seat (38) in sequence through a leak-proof bearing and is fixedly connected to the top end of the rotating shaft (36); A second transmission gear (312) is fixedly mounted on the bottom of the outer wall of the containing cylinder (311), and a second transmission rack (313) is fixedly mounted on the inner wall of the mounting frame (1) on one side of the second transmission gear (312), and the second transmission rack (313) is meshingly connected with the second transmission gear (312).

5. A segmented heating device for processing high-viscosity thermoplastic elastomers according to claim 1, characterized in that: The crushing and grinding assembly (13) comprises a processing box (131), the processing box (131) is fixedly connected to the side wall of the containing frame (12), the top wall of the processing box (131) is connected to a feed hopper (133), the bottom end of the processing box (131) is connected to a storage bin (134), the bottom wall of the storage bin (134) is connected to a discharge pipe (135), the bottom end of the discharge pipe (135) passes through the heat insulation cover (6) through a leak-proof rubber sleeve and extends to the inside, the outer wall of the discharge pipe (135) is installed with a control valve (136), and crushing rollers (137) are rotatably installed on both left and right sides of the inner wall of the processing box (131); The front ends of the roller shafts of the two crushing rollers (137) are fixedly installed with a driving gear 1 (138) through bearings passing through the processing box (131). The two driving gears 1 (138) are meshed and connected with each other. The front end of the roller shaft of the crushing roller (137) located on the left side is fixedly installed with a synchronous wheel 1 (1313). Grinding rollers (139) are rotatably installed on the left and right sides of the inner wall of the processing box (131) and located below the crushing roller (137). The front ends of the roller shafts of the two grinding rollers (139) are fixedly installed with a driving gear 2 (1314) through bearings passing through the processing box (131). The two driving gears 2 (1314) are meshed and connected with each other. A synchronous wheel 2 (1310) is fixedly mounted on the front end of the roller shaft of the grinding roller (139), and the synchronous wheel 2 (1310) is connected to the synchronous wheel 1 (1313) through a synchronous belt transmission. A synchronous wheel 3 (1311) is fixedly mounted on the front end of the roller shaft of the grinding roller (139) located on the right side, and a synchronous wheel 4 (1312) is fixedly mounted on the left end power shaft of the dual-axis servo motor (31), and the synchronous wheel 4 (1312) is connected to the synchronous wheel 3 (1311) through a synchronous belt transmission. The same protective shell (132) is fixedly mounted on the side wall of the processing box (131) and at the positions corresponding to the crushing roller (137) and the synchronous wheel 4 (1312).

6. The segmented heating device for processing high-viscosity thermoplastic elastomer according to claim 1, characterized in that: The mobile control component (7) includes a sensor (71), the sensor (71) is fixedly installed on the rear wall of the sliding seat (34), and a plurality of induction coils (72) are installed on the inner rear wall of the mounting frame (1). The plurality of induction coils (72) are uniformly arranged from left to right and are matched with the positions of the low-temperature zone, the medium-temperature zone, and the high-temperature zone. The plurality of induction coils (72) are successively divided into a low-temperature zone induction coil (721), a medium-temperature zone induction coil (722), and a high-temperature zone induction coil (723) from left to right.

7. A segmented heating device for processing high-viscosity thermoplastic elastomers according to claim 1, characterized in that: The separation component (5) includes a closing plate (51), the outer wall of the closing plate (51) is fixedly connected to the receiving frame (12) and the heat insulation cover (6). Through grooves (52) are formed on both the left and right sides of the top wall of the closing plate (51). Electric push rods (53) are fixedly installed on both the left and right sides of the top wall of the receiving frame (12). The movable ends of the two electric push rods (53) slide through the receiving frame (12) and are fixedly installed with a sealing seat (54). The bottom walls of the two sealing seats (54) are attached to the top wall of the closing plate (51). Heat insulation members (55) are fixedly installed on the bottom walls of the two sealing seats (54). The outer walls of the two heat insulation members (55) are attached to the inner walls of the through grooves (52).

8. A segmented heating device for processing high-viscosity thermoplastic elastomers according to claim 1, characterized in that: The purification component (4) includes an exhaust fan (41), the exhaust fan (41) is fixedly connected to the top wall of the receiving frame (12). The exhaust port of the exhaust fan (41) is communicated with an exhaust duct (42). The front end of the exhaust duct (42) is communicated with a purification box (43). Multi-stage filter meshes (44) are uniformly installed on the inner wall of the purification box (43). The filter holes of the multi-stage filter meshes (44) gradually increase from front to back. The front end of the purification box (43) is communicated with an exhaust pipe (46).

9. The segmented heating device for processing high-viscosity thermoplastic elastomers according to claim 8, wherein: A connecting pipe (48) is fixedly installed on the rear wall of the heat insulation cover (6) through a mounting seat. A conveying pipe (47) is communicated with the outer wall of the connecting pipe (48). The top end of the conveying pipe (47) is connected to the air inlet of the exhaust fan (41). A plurality of air extraction pipes (49) are uniformly communicated with the bottom of the connecting pipe (48). The plurality of air extraction pipes (49) all pass through the heat insulation cover (6) through leak-proof rubber sleeves and extend to the inside and are communicated with the corresponding low-temperature zone, medium-temperature zone, and high-temperature zone. A sealing cover (45) is installed on the top wall of the purification box (43).

10. A segmented heating device for processing high-viscosity thermoplastic elastomers according to claim 1, characterized in that: A closing door (14) is hingedly installed on the right side wall of the heat insulation cover (6). A main controller (2) is fixedly installed on the front wall of the mounting frame (1). The main controller (2) is electrically connected to the heating coil (8), the external heating module, the temperature sensor (11), the biaxial servo motor (31), the sensor (71), the low-temperature zone induction coil (721), the medium-temperature zone induction coil (722), the high-temperature zone induction coil (723), the electric push rod (53), and the exhaust fan (41).

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