Pretreatment device for polystyrene foaming material

Abstract

The invention discloses a polystyrene foaming material pretreatment device, and belongs to the technical field of polystyrene foaming materials, the polystyrene foaming material pretreatment device comprises a rack, the top of the rack is fixedly connected with a pretreatment assembly, the feeding end of the pretreatment assembly is fixedly connected with a feeding assembly, and the discharging end of the pretreatment assembly is provided with a plugging assembly; and one side of the rack is further fixedly connected with a heating assembly, and the output end of the heating assembly communicates with the pretreatment assembly. The intermittent blanking mode is adopted, the connecting rod and the baffle plate are pushed to move upwards through the two rotary material distribution plates, the baffle plate can be reset through the reset spring, blockage of the material distribution barrel can be avoided through intermittent blanking, the feeding amount is accurately controlled, the subsequent pretreatment uniformity is guaranteed, during discharging, a material receiving box moves upwards to drive a plurality of discharging ports to be opened synchronously, and the discharging efficiency is improved. And the stirring assembly is matched to accelerate discharging, material residues are avoided, the whole process is highly automatic, the production stability and consistency are improved, and a foundation is built for subsequent machining and using.

Description

Technical Field

[0001] The present invention relates to the technical field of polystyrene foamed materials, and particularly to a pretreatment device for polystyrene foamed materials. Background Art

[0002] Polystyrene foamed material is a lightweight foamed material with polystyrene as the base material, which is made by physical or chemical foaming processes. The polystyrene foamed material contains a large number of independent and sealed air bubbles inside. The closed-cell structure makes the thermal conductivity of the foamed material extremely low, which can effectively reduce energy transfer. It can absorb impact energy through cell compression and stagnation effects, effectively protecting the safety of precision instruments, fragile items, and electronic components during transportation; Before foaming, polystyrene foamed materials need to undergo pre-foaming treatment. The pretreatment regulates the internal structure and surface characteristics of the beads through physical or chemical means to ensure that the subsequent foaming and molding processes are controllable and efficient. After pretreatment, the defective rate of the finished products is greatly reduced, the molding cycle is shortened, and the production efficiency is accelerated; During the pretreatment process, the traditional feeding method usually adopts continuous feeding. However, during continuous feeding, the foamed material is prone to accumulate at the feed inlet, causing blockage, resulting in the interruption of the entire pretreatment process, which not only affects production efficiency but also may cause equipment damage, increasing maintenance costs and downtime. At the same time, traditional pretreatment equipment usually has a single-barrel structure, and the capacity inside the barrel is limited. The expansion space of the foamed material inside the barrel is small, resulting in some foamed materials being unable to come into full contact with steam, making the foamed material prone to uneven heating, resulting in differences in various performance indicators of the foamed material after pretreatment, such as uneven density and different strengths, seriously affecting the performance of the material during subsequent processing and use, and reducing the qualified rate of the product. Summary of the Invention

[0003] To solve the problems in the above background art, we propose a pretreatment device for polystyrene foamed materials.

[0004] The present invention provides a pretreatment device for polystyrene foamed materials, including a frame. The top of the frame is fixedly connected with a pretreatment component. The feed end of the pretreatment component is fixedly connected with a feeding component. A blocking component is arranged at the discharge end of the pretreatment component. One side of the frame is also fixedly connected with a heating component, and the output end of the heating component is communicated with the pretreatment component; One side of the frame is also fixedly connected with a hoist. A receiving box is placed on the output end of the hoist, and the receiving box is located directly below the discharge end of the pretreatment component. Handles are fixedly connected to both sides of the receiving box.

[0005] Preferably, the plugging assembly includes two groups of synchronous plates rotatably connected to the frame. Both groups of synchronous plates are located below the double-barrel pretreatment tank. A shielding ring is fixedly connected between the two groups of synchronous plates, and the shielding ring is adapted to one of the discharge ports at the bottom of the double-barrel pretreatment tank. One side of one of the synchronous plates is also fixedly connected with a synchronous gear. A support shaft is rotatably connected between the synchronous plate and the synchronous gear, and the top of the support shaft is fixed to the double-barrel pretreatment tank. A torsion spring is sleeved between the synchronous gear and the support shaft, and both ends of the torsion spring are respectively fixed to the synchronous gear and the support shaft. A driving rack is arranged on one side of the synchronous gear. The driving rack is slidably connected in the frame and meshes with the synchronous gear. The bottom of the driving rack penetrates and extends below the frame. A butting plate is fixedly connected to the bottom of the driving rack, and the butting plate is located directly above the handle. A synchronous turntable is also fixedly connected to the other synchronous plate. A synchronous rod is fixedly connected to the side of the synchronous turntable away from the synchronous plate. A synchronous frame is sleeved on the synchronous rod. L-shaped connecting plates are fixedly connected to both ends of the synchronous frame. Shielding blocks are respectively fixedly connected to the ends of the two L-shaped connecting plates away from the synchronous frame. The two shielding blocks are respectively adapted to the other two discharge ports at the bottom of the double-barrel pretreatment tank. Sliding plates are fixedly connected to the ends of the two shielding blocks away from the synchronous turntable, and the sliding plates are slidably connected to the inner wall of the frame.

[0006] Preferably, the pretreatment assembly includes a double-barrel pretreatment tank fixedly connected to the top of the frame. Multiple discharge ports are opened at the bottom of the double-barrel pretreatment tank. A stirring assembly is also fixedly connected to the frame, and the output end of the stirring assembly is rotatably connected inside the double-barrel pretreatment tank. The stirring assembly includes a servo motor and a speed reducer. The output end of the servo motor is rotatably connected with a transmission belt through a coupling. The other end of the transmission belt is rotatably connected to the speed reducer. The servo motor and the speed reducer are connected by the transmission belt.

[0007] Preferably, the stirring assembly further includes two groups of driving gears. Both groups of driving gears are rotatably connected to one side of the double-barrel pretreatment tank. Transmission rods are fixedly connected to the ends of both groups of driving gears close to the double-barrel pretreatment tank, and the transmission rods penetrate and extend inside the double-barrel pretreatment tank. Multiple stirring plates are fixedly connected to both transmission rods. Two groups of linkage gears are also arranged on the speed reducer, and the two groups of linkage gears mesh with each other. One of the linkage gears is connected to the output shaft of the speed reducer. The two groups of linkage gears are respectively meshed with the adjacent driving gears.

[0008] Preferably, the heating assembly includes a steam generator fixedly connected to the top of the frame. The output end of the steam generator is communicated with two connecting pipes, and the other ends of the two connecting pipes are both communicated with the pretreatment assembly.

[0009] Preferably, the feeding assembly includes a feeding cylinder. A support frame for supporting the feeding cylinder is fixedly connected to the top of the frame. A distributing cylinder is fixedly connected to the bottom of the feeding cylinder and is communicated with the feeding cylinder. The other end of the distributing cylinder is communicated with the double-cylinder pretreatment tank. A driving motor is fixedly connected to one side of the distributing cylinder, and the output end of the driving motor is fixed to the distributing component through a coupling.

[0010] Preferably, the distributing component includes two fixing plates fixedly connected inside the distributing cylinder. A baffle plate is arranged on the two fixing plates, and the bottom of the baffle plate is respectively in contact with the tops of the two fixing plates; The distributing component further includes two rotating distributing plates rotatably connected inside the distributing cylinder. One ends of the two rotating distributing plates are both fixedly connected with transmission gears, and the two transmission gears mesh with each other. One of the transmission gears is fixed to the output end of the driving motor on the distributing cylinder.

[0011] Preferably: A fixing sleeve is also fixedly connected between the two fixing plates. A connecting rod is slidably connected in the fixing sleeve. The top of the connecting rod is fixed to the bottom of the baffle plate. A pushing head is fixedly connected to the bottom of the connecting rod. A return spring is also sleeved on the connecting rod between the baffle plate and the fixing sleeve. One end of the return spring is fixed to the baffle plate, and the other end is fixed to the fixing sleeve.

[0012] Preferably: Two limiting shafts are also fixedly connected to the side of the synchronous frame away from the synchronous turntable, and the two limiting shafts are both slidably connected to the inner wall of the frame.

[0013] The technical effects and advantages of the present invention: When the present invention is in use, during the blanking process, an innovative intermittent blanking method is adopted, so that the foaming material can fall into the double-cylinder pretreatment tank from the gap between the fixing plate and the baffle plate. When the rotating distributing plate is separated from the pushing head, the resilience of the return spring quickly drives the baffle plate to reset, realizing the intermittent control of blanking. This design avoids the accumulation and blockage of the foaming material in the distributing cylinder, ensures the smoothness and stability of blanking. At the same time, the intermittent blanking can also accurately control the amount of foaming material entering the double-cylinder pretreatment tank each time, providing a basis for subsequent uniform pretreatment, and effectively improving the controllability and stability of the production process; In the present invention, after the pre-treatment is completed, the elevator drives the material receiving box to move upward. Through a series of ingenious mechanical linkage structures, rapid discharging is achieved. When the material receiving box moves upward, it can push the driving rack upward, causing the driving rack to drive the synchronous gear to rotate, enabling the shielding ring and the shielding block to act synchronously and opening multiple discharge ports. At the same time, the stirring assembly continues to rotate, further accelerating the discharging speed. This linkage discharging method not only improves the discharging efficiency and shortens the production cycle, but also avoids the residue of materials in the double-barrel pre-treatment box through the design of multiple discharge ports, ensuring that the materials after each pre-treatment can be completely discharged, providing a clean pre-treatment environment for the new round of pre-treatment, and significantly enhancing the overall production capacity.

[0014] In the present invention, throughout the entire pre-treatment process from material feeding, pre-treatment to discharging, each link is closely connected, achieving a high degree of automation. Through mechanical linkage and electrical control, manual intervention is reduced, and the labor cost is lowered. At the same time, the automated process reduces the influence of human factors on the production process, improves the stability and consistency of production. The operator only needs to perform simple equipment startup and monitoring, greatly reducing the labor intensity and improving the work efficiency.

[0015] In the present invention, after the foaming material enters the double-barrel pre-treatment box, the servo motor drives the linkage gear and the driving gear to rotate through the transmission belt, enabling multiple groups of stirring plates on the transmission rod to fully turn the foaming material. During this process, the steam generated by the steam generator is evenly transported into the double-barrel pre-treatment box. The turning action of the stirring plates enables the foaming material to fully contact with the steam, achieving uniform heating, ensuring the consistency of various performance indicators of the material during the pre-treatment process, avoiding material performance differences caused by local overheating or uneven heating, thus effectively guaranteeing the quality of the pre-treated foaming material, laying a solid foundation for subsequent processing and use. At the same time, through the setting of the double-barrel pre-treatment box, the capacity of the equipment is greatly increased, enabling the foaming material to have sufficient expansion space and be able to fully contact with the steam, ensuring the pre-treatment effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a first perspective schematic diagram of the present invention; Figure 2 is a second perspective schematic diagram of the present invention; Figure 3 is a structural schematic diagram of the pre-treatment component and the feeding component in the present invention Figure 1 ; Figure 4 is a structural schematic diagram of the pre-treatment component and the feeding component in the present invention Figure 2 ; Figure 5 is a schematic diagram of the structure inside the material distribution cylinder in the present invention; Figure 6 in the present invention Figure 4Enlarged schematic diagram of the structure at position A above; Figure 7 Partial structural schematic of the plugging component in the present invention Figure 1 ; Figure 8 Partial structural schematic of the plugging component in the present invention Figure 2 ; Figure 9 In the present invention Figure 3 Enlarged schematic diagram of the structure at position B above; Figure 10 In the present invention Figure 8 Enlarged schematic diagram of the structure at position C above; Figure 11 Structural schematic of the synchronous gear, support shaft and torsion spring in the present invention.

[0017] In the figure: 1, frame; 11, support frame; 2, pretreatment component; 21, double-barrel pretreatment tank; 22, servo motor; 23, reducer; 24, drive belt; 25, drive gear; 26, stirring plate; 27, discharge port; 28, linkage gear; 3, heating component; 31, steam generator; 32, connecting pipe; 4, elevator; 41, receiving box; 42, handle; 5, feeding component; 51, feeding cylinder; 52, material dividing cylinder; 53, fixing plate; 54, baffle plate; 55, rotating material dividing plate; 56, fixed sleeve; 57, connecting rod; 58, pushing head; 59, return spring; 6, plugging component; 61, synchronous plate; 62, synchronous gear; 63, drive rack; 64, shielding ring; 65, shielding block; 66, synchronous turntable; 67, synchronous frame; 68, L-shaped connecting plate; 69, abutting plate. Detailed implementation manners

[0018] Now, the present invention will be further described in detail with reference to the accompanying drawings and preferred embodiments.

[0019] Referring to Figures 1 - 11 As shown, the present invention provides a polystyrene foam material pretreatment device, including a frame 1, a pretreatment component 2 is fixedly connected to the top of the frame 1, a feeding component 5 is fixedly connected to the feeding end of the pretreatment component 2, a plugging component 6 is arranged on the discharge end of the pretreatment component 2, an elevator 4 is fixedly connected to one side of the frame 1, a receiving box 41 is placed on the output end of the elevator 4, and the receiving box 41 is located directly below the discharge end of the pretreatment component 2. Handles 42 are fixedly connected to both sides of the receiving box 41. The heating component 3 includes a steam generator 31, the steam generator 31 is fixedly connected to the top of the frame 1, and the output end of the steam generator 31 is communicated with two groups of connecting pipes 32, and the other ends of the two groups of connecting pipes 32 are both communicated with the pretreatment component 2; Specifically, during use, first use a conveyor to transport the foaming material to be pre-treated into the feeding assembly 5, and evenly transport the foaming material into the pre-treatment assembly 2 through the feeding assembly 5. After the foaming material is added, close the feeding assembly 5 and start the steam generator 31 to generate steam and transport it into the pre-treatment assembly 2 through two sets of connecting pipes 32 to heat the inside of the pre-treatment assembly 2. The foaming material in the pre-treatment assembly 2 expands under the action of high-temperature steam to complete the pre-treatment process; After the pre-treatment work is completed, turn off the steam generator 31 and start the hoist 4. Drive the receiving box 41 to move upward through the hoist 4 to abut against the bottom of the frame 1, so that the receiving box 41 moves to directly below the discharge end of the pre-treatment assembly 2. When the receiving box 41 moves upward, the handles 42 on both sides of the receiving box 41 simultaneously push the blocking assembly 6 to move, opening the discharge end of the pre-treatment assembly 2, and making the foaming material in the double-barrel pre-treatment box 21 fall into the receiving box 41; After all the foaming material is discharged, the receiving box 41 moves downward under the drive of the hoist 4, and the blocking assembly 6 resets to block the discharge end of the pre-treatment assembly 2 again. At the same time, start the feeding assembly 5 to make the new foaming material fall into the pre-treatment assembly 2 for the next round of pre-treatment work.

[0020] Refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 6 、 Figure 7 and Figure 9 As shown in, in this implementation: the pre-treatment assembly 2 includes a double-barrel pre-treatment box 21, the double-barrel pre-treatment box 21 is fixedly connected to the top of the frame 1, and a plurality of discharge ports 27 are opened at the bottom of the double-barrel pre-treatment box 21. A stirring assembly is also fixedly connected to the frame 1, and the output end of the stirring assembly is rotatably connected inside the double-barrel pre-treatment box 21. The stirring assembly also includes two drive gears 25, both of the two drive gears 25 are rotatably connected to one side of the double-barrel pre-treatment box 21. One ends of the two drive gears 25 close to the double-barrel pre-treatment box 21 are fixedly connected with transmission rods, and the transmission rods penetrate and extend into the double-barrel pre-treatment box 21. A plurality of stirring plates 26 are fixedly connected to both transmission rods. Two linkage gears 28 are also arranged on the reducer 23, and the two linkage gears 28 mesh with each other. One of the linkage gears 28 is connected to the output shaft of the reducer 23, and the two linkage gears 28 are respectively meshed with the adjacent drive gears 25; Specifically, during use, after the foaming material falls into the double-barrel pretreatment tank 21, the servo motor 22 is started. The servo motor 22 drives the two groups of linkage gears 28 to rotate through the transmission belt 24 and the speed reducer 23. When the two groups of linkage gears 28 rotate, they respectively drive the two groups of drive gears 25 to rotate, causing the two groups of transmission rods to rotate. The multiple groups of stirring plates 26 arranged on the transmission rods are used to turn the foaming material in the double-barrel pretreatment tank 21, so that the foaming material can be evenly heated and the pretreatment effect can be ensured.

[0021] Refer to Figures 1 - 5 As shown, in this implementation: The feeding assembly 5 includes a feeding cylinder 51. A support frame 11 for supporting the feeding cylinder 51 is fixedly connected to the top of the frame 1. The bottom of the feeding cylinder 51 is fixedly connected to a material distribution cylinder 52, and the material distribution cylinder 52 is communicated with the feeding cylinder 51. The other end of the material distribution cylinder 52 is communicated with the double-barrel pretreatment tank 21. A driving motor is fixedly connected to one side of the material distribution cylinder 52, and the output end of the driving motor is fixedly connected to the material distribution component through a coupling. The material distribution component includes two fixing plates 53 fixedly connected in the material distribution cylinder 52. A baffle plate 54 is arranged on the two fixing plates 53, and the bottom of the baffle plate 54 is respectively in contact with the top of the two fixing plates 53. The material distribution component further includes two rotating material distribution plates 55 rotatably connected in the material distribution cylinder 52. One ends of the two rotating material distribution plates 55 are fixedly connected with transmission gears, and the two transmission gears are meshed with each other. One of the transmission gears is fixedly connected to the output end of the driving motor on the material distribution cylinder 52. A fixed sleeve 56 is also fixedly connected between the two fixing plates 53. A connecting rod 57 is slidably connected in the fixed sleeve 56. The top of the connecting rod 57 is fixedly connected to the bottom of the baffle plate 54. A pushing head 58 is fixedly connected to the bottom of the connecting rod 57. A return spring 59 is also sleeved on the connecting rod 57 between the baffle plate 54 and the fixed sleeve 56. One end of the return spring 59 is fixedly connected to the baffle plate 54, and the other end is fixedly connected to the fixed sleeve 56; Specifically, when preparing to add the foaming material, first, the foaming material is conveyed into the feeding cylinder 51 through a conveyor. The driving motor on the material distribution cylinder 52 is started. The driving motor drives the two rotating material distribution plates 55 to rotate through the two transmission gears. When the two rotating material distribution plates 55 rotate, they sequentially come into contact with the pushing head 58 and push the connecting rod 57 to slide upward in the fixed sleeve 56, causing the connecting rod 57 to drive the baffle plate 54 to move upward, so that the baffle plate 54 is separated from the fixing plate 53, and the foaming material in the feeding cylinder 51 falls through the gap between the fixing plate 53 and the baffle plate 54; When one set of rotary material distribution plates 55 rotates to push the connecting rod 57 upward, the return spring 59 is stretched at the same time. When the rotary material distribution plate 55 rotates away from the pushing head 58, the retaining plate 54 and the connecting rod 57 are driven to reset under the action of the resilience of the return spring 59, so that the retaining plate 54 contacts the fixed plate 53 again, preventing the foaming material from falling. When the next set of rotary material distribution plates 55 contacts the pushing head 58, the connecting rod 57 and the retaining plate 54 are pushed upward again, allowing the foaming material to fall again. By setting the intermittent blanking method, the accumulation of the foaming material in the material distribution cylinder 52 can be avoided, preventing blockage.

[0022] Referring to Figures 1 - 11 As shown, in this embodiment: The blocking assembly 6 includes two sets of synchronous plates 61 rotatably connected to the frame 1. Both sets of synchronous plates 61 are located below the double-barrel pretreatment tank 21. A shielding ring 64 is fixedly connected between the two sets of synchronous plates 61, and the shielding ring 64 is adapted to one of the discharge ports 27 at the bottom of the double-barrel pretreatment tank 21. A synchronous gear 62 is fixedly connected to one side of one set of synchronous plates 61. A support shaft is rotatably connected between the synchronous plate 61 and the synchronous gear 62, and the top of the support shaft is fixed to the double-barrel pretreatment tank 21. A torsion spring is sleeved between the synchronous gear 62 and the support shaft, and both ends of the torsion spring are fixed to the synchronous gear 62 and the support shaft respectively. A driving rack 63 is arranged on one side of the synchronous gear 62. The driving rack 63 is slidably connected in the frame 1 and meshes with the synchronous gear 62. The bottom of the driving rack 63 penetrates and extends below the frame 1. A contact plate 69 is fixedly connected to the bottom of the driving rack 63, and the contact plate 69 is located directly above the handle 42. A synchronous turntable 66 is fixedly connected to the other set of synchronous plates 61. A synchronous rod is fixedly connected to the side of the synchronous turntable 66 away from the synchronous plate 61. A synchronous frame 67 is sleeved on the synchronous rod. L-shaped connecting plates 68 are fixedly connected to both ends of the synchronous frame 67. Shielding blocks 65 are fixedly connected to the ends of the two L-shaped connecting plates 68 away from the synchronous frame 67. The two shielding blocks 65 are respectively adapted to the other two discharge ports 27 at the bottom of the double-barrel pretreatment tank 21. Sliding plates are fixedly connected to the ends of the two shielding blocks 65 away from the synchronous turntable 66, and the sliding plates are slidably connected to the inner wall of the frame 1. Two limiting shafts are fixedly connected to the side of the synchronous frame 67 away from the synchronous turntable 66, and both of the two limiting shafts are slidably connected to the inner wall of the frame 1; Specifically, after the pretreatment of the foaming material is completed, the elevator 4 starts to drive the material receiving box 41 to move upward. During the upward movement of the material receiving box 41, the handle 42 gradually contacts the abutting plate 69 and pushes the abutting plate 69 upward. When the abutting plate 69 moves upward, it simultaneously drives the driving rack 63 to slide upward in the frame 1. The driving rack 63 pushes the synchronous gear 62 to rotate, causing the synchronous gear 62 to drive the shielding ring 64 to rotate through two synchronous plates 61, so that the shielding ring 64 no longer contacts the discharge port 27. At this time, the foaming material in the double-barrel pretreatment box 21 can be discharged from the discharge port 27 in the middle of the double-barrel pretreatment box 21. When the synchronous gear 62 rotates, the torsion spring between the synchronous gear 62 and the support shaft is simultaneously compressed and stores energy; Meanwhile, when the synchronous gear 62 drives the synchronous plate 61 to rotate, the synchronous turntable 66 on the other synchronous plate 61 rotates synchronously. When the synchronous rod on the synchronous turntable 66 rotates following the synchronous turntable 66, it simultaneously pushes the synchronous frame 67 downward. The synchronous frame 67 drives two shielding blocks 65 to move downward through the L-shaped connecting plate 68, so that the two shielding blocks 65 are separated from the discharge port 27, and the foaming material can be discharged from other discharge ports 27 simultaneously; After the foaming material is completely discharged, the elevator 4 drives the material receiving box 41 to move downward, so that the handle 42 no longer contacts the abutting plate 69. The resilience of the torsion spring drives the synchronous gear 62 to rotate in the reverse direction, causing the synchronous gear 62 to push the driving rack 63 downward. At the same time, the shielding ring 64 rotates again to contact the discharge port 27 to block the discharge port 27; The synchronous turntable 66 rotates in the reverse direction under the action of the synchronous plate 61, causing the synchronous rod to drive the synchronous frame 67 to move upward. The L-shaped connecting plate 68 drives two groups of shielding blocks 65 to move upward to abut against the discharge port 27, so that all the multiple discharge ports 27 are closed. After all the discharge ports 27 are closed, the driving motor on the distribution cylinder 52 is started, and new foaming material is added into the double-barrel pretreatment box 21 again to carry out a new round of pretreatment work.

[0023] The working principle of the present invention is as follows: First, the foaming material is conveyed into the feeding cylinder 51 through a conveyor. The driving motor on the distribution cylinder 52 is started. The driving motor drives two rotating distribution plates 55 to rotate through two transmission gears. When the two rotating distribution plates 55 rotate, they sequentially contact the pushing head 58 and push the connecting rod 57 to slide upward in the fixed sleeve 56, so that the connecting rod 57 drives the baffle plate 54 to move upward, causing the baffle plate 54 to be separated from the fixed plate 53. The foaming material in the feeding cylinder 51 falls into the double-barrel pretreatment box 21 through the gap between the fixed plate 53 and the baffle plate 54; After the foaming material falls into the double-barrel pretreatment tank 21, start the servo motor 22 and the steam generator 31. The steam generator 31 generates steam and transports it to the double-barrel pretreatment tank 21 through the connecting pipe 32. The servo motor 22 drives the two groups of linkage gears 28 to rotate through the transmission belt 24. When the two groups of linkage gears 28 rotate, they respectively drive the two groups of driving gears 25 to rotate, causing the two transmission rods to rotate. The multiple groups of stirring plates 26 arranged on the transmission rods are used to turn the foaming material in the double-barrel pretreatment tank 21, so that the foaming material can be evenly heated and the pretreatment effect is ensured. When the pretreatment work is completed, turn off the steam generator 31 and start the hoist 4. The hoist 4 drives the receiving box 41 to move upward and abut against the bottom of the frame 1, so that the receiving box 41 moves to directly below the discharge end of the pretreatment assembly 2. When the receiving box 41 moves upward, the handles 42 on both sides of the receiving box 41 simultaneously push the abutting plate 69 upward. When the abutting plate 69 moves upward, it simultaneously drives the driving rack 63 to slide upward in the frame 1 and push the synchronous gear 62 to rotate, so that the synchronous gear 62 drives the shielding ring 64 to rotate through the two groups of synchronous plates 61, so that the shielding ring 64 no longer contacts the discharge port 27. At this time, the foaming material in the double-barrel pretreatment tank 21 can be discharged from the discharge port 27 in the middle of the double-barrel pretreatment tank 21. When the synchronous gear 62 drives the synchronous plate 61 to rotate, the synchronous turntable 66 on the other synchronous plate 61 rotates synchronously. When the synchronous rod on the synchronous turntable 66 rotates following the synchronous turntable 66, it simultaneously pushes the synchronous frame 67 downward. The synchronous frame 67 drives the two shielding blocks 65 to move downward through the L-shaped connecting plate 68, so that the two shielding blocks 65 are separated from the discharge port 27, and the foaming material can be discharged from other discharge ports 27 at the same time. At the same time, the stirring assembly continues to rotate to accelerate the discharging efficiency. When the foaming material is completely discharged, the hoist 4 drives the receiving box 41 to move downward, so that the handle 42 no longer contacts the abutting plate 69. The resilience of the torsion spring drives the synchronous gear 62 to rotate in the reverse direction, so that the synchronous gear 62 pushes the driving rack 63 downward, and the shielding ring 64 rotates again to contact the discharge port 27 and block the discharge port 27. The synchronous turntable 66 rotates in the reverse direction under the action of the synchronous plate 61 at the same time, so that the synchronous rod drives the synchronous frame 67 to move upward. The L-shaped connecting plate 68 drives the two shielding blocks 65 to move upward and abut against the discharge port 27, so that all the multiple discharge ports 27 are closed. When all the discharge ports 27 are closed, start the driving motor on the distribution cylinder 52 and add new foaming material into the double-barrel pretreatment tank 21 again to carry out a new round of pretreatment work.

[0024] It should be noted that the equipment such as conveyors, steam generators, and speed reducers in this application are all common equipment in the market. They can be selected according to needs during specific use, and the circuit connection relationships of each equipment all belong to simple series and parallel connection circuits. There are no innovative points in the circuit connection part, which can be relatively easily achieved by those skilled in the art and belong to the prior art, so they will not be elaborated here. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should also be within the protection scope of the present invention.

Claims

1. A pretreatment device for polystyrene foam materials, characterized in that, It includes a frame (1), a pretreatment component (2) is fixedly connected to the top of the frame (1), a feeding component (5) is fixedly connected to the feeding end of the pretreatment component (2), a plugging component (6) is arranged at the discharging end of the pretreatment component (2), a heating component (3) is also fixedly connected to one side of the frame (1), and the output end of the heating component (3) is communicated with the pretreatment component (2); A hoist (4) is also fixedly connected to one side of the frame (1), a receiving box (41) is placed on the output end of the hoist (4), and the receiving box (41) is located directly below the discharging end of the pretreatment component (2); The plugging component (6) includes two groups of synchronous plates (61) rotatably connected to the frame (1), a shielding ring (64) is fixedly connected between the two groups of synchronous plates (61), and the shielding ring (64) is adapted to one of the discharging ports (27) at the bottom of the double-barrel pretreatment box (21). One side of one of the synchronous plates (61) is also fixedly connected with a synchronous gear (62). A support shaft is rotatably connected between the synchronous plate (61) and the synchronous gear (62), and the top of the support shaft is fixed to the double-barrel pretreatment box (21). A torsion spring is sleeved between the synchronous gear (62) and the support shaft, and the two ends of the torsion spring are respectively fixed to the synchronous gear (62) and the support shaft. A driving rack (63) is arranged on one side of the synchronous gear (62), the driving rack (63) is slidably connected in the frame (1), and the driving rack (63) is meshed with the synchronous gear (62); The pretreatment component (2) includes a double-barrel pretreatment box (21), a stirring component is also fixedly connected to the frame (1), and the output end of the stirring component is rotatably connected inside the double-barrel pretreatment box (21).

2. The pretreatment device for polystyrene foaming material according to claim 1, characterized in that: Both of the two groups of synchronous plates (61) are located below the double-barrel pretreatment box (21). The bottom of the driving rack (63) penetrates and extends below the frame (1). A butting plate (69) is fixedly connected to the bottom of the driving rack (63), and the butting plate (69) is located directly above the handle (42); A synchronous turntable (66) is also fixedly connected to the other synchronous plate (61). A synchronous rod is fixedly connected to the side of the synchronous turntable (66) away from the synchronous plate (61), and a synchronous frame (67) is sleeved on the synchronous rod. L-shaped connecting plates (68) are fixedly connected to both ends of the synchronous frame (67). Shielding blocks (65) are respectively fixedly connected to the ends of the two groups of L-shaped connecting plates (68) away from the synchronous frame (67). The two shielding blocks (65) are respectively adapted to the other two discharging ports (27) at the bottom of the double-barrel pretreatment box (21). Sliding plates are fixedly connected to the ends of the two shielding blocks (65) away from the synchronous turntable (66), and the sliding plates are slidably connected to the inner wall of the frame (1).

3. The pretreatment device for a polystyrene foam material according to claim 2, characterized in that: The double-barrel pretreatment box (21) is fixedly connected to the top of the frame (1), and multiple discharging ports (27) are formed at the bottom of the double-barrel pretreatment box (21); The stirring assembly comprises a servo motor (22) and a reducer (23); the output end of the servo motor (22) is rotationally connected to a transmission belt (24) via a coupling; the other end of the transmission belt (24) is rotationally connected to the reducer (23); and the servo motor (22) and the reducer (23) are transmission-connected via the transmission belt (24).

4. The pretreatment device for a polystyrene foaming material according to claim 3, characterized in that: The stirring assembly further comprises two groups of driving gears (25), the two groups of driving gears (25) are both rotatably connected to one side of the double-barrel pretreatment box (21), the two groups of driving gears (25) are both fixedly connected to one end close to the double-barrel pretreatment box (21) with a transmission rod, and the transmission rod penetrates and extends into the double-barrel pretreatment box (21), and the two groups of driving rods are both fixedly connected to a plurality of stirring plates (26), and the reducer (23) is also provided with two groups of linkage gears (28), and the two groups of linkage gears (28) are meshed with each other, one group of the linkage gears (28) is connected to the output shaft of the reducer (23), and the two groups of linkage gears (28) are respectively meshed with adjacent driving gears (25).

5. The pretreatment device for a polystyrene foaming material according to claim 1, wherein: The heating component (3) comprises a steam generator (31), the steam generator (31) being fixedly connected to the top of the frame (1), the output end of the steam generator (31) being connected to two groups of connecting pipes (32), the other ends of the two groups of connecting pipes (32) being connected to the pretreatment component (2).

6. The pretreatment device for a polystyrene foaming material according to claim 2, characterized in that: The feeding assembly (5) comprises a feeding barrel (51), the top of the frame (1) is fixedly connected to a support frame (11) for supporting the feeding barrel (51), the bottom of the feeding barrel (51) is fixedly connected to a distribution barrel (52), and the distribution barrel (52) is connected to the feeding barrel (51), the other end of the distribution barrel (52) is connected to a double barrel pretreatment box (21), one side of the distribution barrel (52) is fixedly connected to a driving motor, and the output end of the driving motor is fixed to the distribution assembly via a coupling.

7. The pretreatment device for polystyrene foam material according to claim 6, characterized in that: The material distributing assembly comprises two groups of fixed plates (53) fixedly connected to the inside of the material distributing barrel (52), and the two groups of fixed plates (53) are provided with material blocking plates (54), and the bottoms of the material blocking plates (54) are respectively in contact with the tops of the two groups of fixed plates (53); The material distribution assembly further comprises two sets of rotating material distribution plates (55) rotatably connected to the material distribution barrel (52), one end of each of the two sets of rotating material distribution plates (55) being fixedly connected to a transmission gear, and the two sets of transmission gears are meshed with each other, and one set of the transmission gears is fixed to the output end of the driving motor on the material distribution barrel (52).

8. A pretreatment device for polystyrene foam materials according to claim 7, characterized in that: A fixed sleeve (56) is also fixedly connected between the two groups of the fixed plates (53). A connecting rod (57) is slidably connected in the fixed sleeve (56). The top of the connecting rod (57) is fixed to the bottom of the material baffle (54). A pushing head (58) is fixedly connected to the bottom of the connecting rod (57). A return spring (59) is also sleeved on the connecting rod (57) between the material baffle (54) and the fixed sleeve (56). One end of the return spring (59) is fixed to the material baffle (54), and the other end is fixed to the fixed sleeve (56).

9. A pretreatment device for polystyrene foam materials according to claim 2, characterized in that: Two groups of limiting shafts are also fixedly connected to the side of the synchronous frame (67) away from the synchronous turntable (66), and both groups of limiting shafts are slidably connected to the inner wall of the frame (1).

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