Cooling forming device for polypropylene production

Abstract

The invention discloses a cooling forming device for polypropylene production, belongs to the technical field of polypropylene production, and aims at solving the problems that polypropylene particles are poor in heat dissipation effect and low in cooling forming efficiency. The cooling forming device comprises a tank body, a thick polyurethane film is fixed to the bottom face of the tank body, and an inner cavity is formed in the thick polyurethane film; a plurality of arc-shaped strips distributed circumferentially are fixed in the inner cavity, a plurality of communicating holes distributed circumferentially are formed in one side face of each arc-shaped strip, a plurality of first exhaust holes distributed circumferentially are formed in the inner side wall of the polyurethane thick film, and a rotating rod is movably connected to the middle of the top face of the inner side wall of the tank body; through arrangement of a contact strip, a threaded rod, a servo motor, a belt wheel and a belt, the contact strip can push a polyurethane thick film to deform to different degrees, so that polypropylene particles in the polyurethane thick film can be pushed and dispersed, the polypropylene particles can be in full contact with air, and the air quality is improved. And the heat dissipation effect of the polypropylene particles and the cooling forming efficiency of the polypropylene particles are improved.

Description

Technical Field

[0001] The invention belongs to the technical field of polypropylene production, and in particular relates to a cooling molding device for polypropylene production. Background Art

[0002] Polypropylene (PP) is a thermoplastic made from propylene monomers, which plays an important role in many fields. In terms of appearance, polypropylene usually appears as translucent or opaque granules, powder or flakes.

[0003] For example, a Chinese utility model patent with authorization announcement number CN218776916U discloses a cooling and forming device for the production of polypropylene particles, which belongs to the technical field of polypropylene particle forming. It aims at the problems that the cooling and heat dissipation effect of polypropylene particles is poor and they are easy to agglomerate and stick to the wall when they are cooled. The device comprises a cooling box, and an air inlet pipe is rotated and penetrated through the center of the top surface of the cooling box. The outer surface of the air inlet pipe is connected to four symmetrically distributed mixing rods, and the outer surfaces of the four mixing rods are provided with ventilation holes. The utility model drives the feeding motor to drive the spiral blades to continuously feed the polypropylene particles, and the fan blades are used to perform air cooling and heat dissipation treatment on the polypropylene particles at the feeding pipe, and then the mixing rods are driven by the air inlet pipe to perform stirring and heat dissipation treatment, which can effectively prevent the occurrence of agglomeration and wall sticking, and the cold air transported in the air inlet pipe contacts and dissipates heat with the surface of the polypropylene particles through the ventilation holes of the mixing rods, which can further improve the cooling effect on the polypropylene particles.

[0004] The existing cooling and molding device for polypropylene production cools the polypropylene particles by exhausting air through fan blades, air inlet pipes and ventilation holes, and stirs and disperses the polypropylene particles through a mixing rod. However, the mixing rod can only stir and disperse the polypropylene particles near the inner wall of the cooling box, and the positions outside the mixing rod cannot be fully dispersed, resulting in poor heat dissipation effect of the polypropylene particles and low cooling and molding efficiency.

[0005] Therefore, a cooling and molding device for polypropylene production is needed to solve the problems of poor heat dissipation effect of polypropylene particles and low cooling and molding efficiency in the prior art. Summary of the invention

[0006] In order to overcome the deficiencies in the prior art, the present invention provides a cooling molding device for polypropylene production.

[0007] To achieve the above-mentioned purpose, the present invention discloses a cooling molding device for polypropylene production, comprising a tank body, a polyurethane thick film is fixed to the bottom surface of the tank body, an inner cavity is arranged inside the polyurethane thick film, a plurality of circumferentially distributed arcuate strips are fixed in the inner cavity, a plurality of circumferentially distributed connecting holes are opened on one side of the arcuate strip, a plurality of circumferentially distributed first exhaust holes are opened on the inner side wall of the polyurethane thick film, a rotating rod is movably connected to the middle of the top surface of the inner side wall of the tank body, a plurality of circumferentially distributed elastic strips are fixed to the outer side wall of the rotating rod, a plurality of evenly distributed second exhaust holes are opened on the surface of the elastic strip, a mounting plate is arranged below the polyurethane thick film, a plurality of evenly distributed contact strips of different heights are fixed on the top surface of the mounting plate, and a synchronous lifting component is arranged near the top position of the outer side wall of the rotating rod.

[0008] Furthermore, the synchronous lifting assembly includes a pulling assembly, a connecting assembly and a driving assembly.

[0009] Furthermore, the pulling assembly includes a plurality of connecting rods distributed in a circle, and the plurality of connecting rods are respectively fixed at the outer side wall of the rotating rod near the top position, a first moving rod is movably connected to one side of the top surface of the connecting rod, and a second moving rod is movably connected to the middle of the top surface of the connecting rod, top plates are respectively fixed to the top surfaces of the first moving rod and the second moving rod, a C-shaped frame is fixed to the top of the connecting rod, a rotating plate is movably connected inside the C-shaped frame, first connecting ropes are respectively fixed to both sides of the bottom inclined surface of the rotating plate, the bottom end of the first connecting rope is fixed to the corresponding top surface of the top plate, two bottom rods are respectively fixed to both sides of the bottom inclined surface of the rotating plate, a roller is movably connected to the bottom of the bottom rod, and a counterweight is fixed to one side of the bottom inclined surface of the rotating plate.

[0010] Further, the connecting component includes a pentagonal plate, which is movably mounted on the outer wall of the rotating rod near the top position, and the inner wall of the pentagonal plate is provided with a plurality of circumferentially distributed snap-fitting openings, and a plurality of circumferentially distributed limit strips are fixed to the outer wall of the rotating rod near the top position, and the snap-fitting openings are movably engaged with the corresponding limit strips, and a plurality of circumferentially distributed L-shaped plates are fixed to the top surface of the pentagonal plate near the outer edge position, and a plurality of circumferentially distributed second connecting ropes are fixed to the bottom surface of the pentagonal plate, and the bottom surface of the second connecting ropes is fixed to one side of the top surface of the rotating plate.

[0011] Furthermore, the driving assembly includes a toothed disk, which is fixed at the middle position of the top surface of the inner wall of the tank body, and a plurality of fixed blocks distributed in a circle are arranged on the periphery of the toothed disk, a first rotating shaft is movably connected to the bottom of one side of the fixed block, a cam is fixed to one end of the first rotating shaft, a first gear is fixed to the other end of the first rotating shaft, a second rotating shaft is movably connected to the top of one side of the fixed block, a second gear is fixed to the middle part of the outer side wall of the second rotating shaft, a gear column is fixed to one side of the outer side wall of the second rotating shaft, the second gear is meshed with the first gear, the gear column is meshed with the toothed disk, a bottom column is fixed to the bottom surface of the fixed block, and the bottom column movably passes through the corresponding pentagonal plate.

[0012] Furthermore, an annular groove is provided on the top surface of the inner wall of the tank body, a limiting ring is movably engaged in the annular groove, and the top surfaces of several fixing blocks are fixed to the bottom surface of the limiting ring.

[0013] Further, a plurality of evenly distributed first side holes are opened on a side surface of the first moving rod, a plurality of evenly distributed second side holes are opened on a side surface of the second moving rod, a first opening is opened at a raised position on the surface of the elastic strip, a first mounting strip is fixed between inner side walls close to one side surface of the first opening, a second opening is opened at a recessed position on the surface of the elastic strip, a second mounting strip is fixed between inner side walls close to one side surface of the second opening, the first moving rod passes through a plurality of vertical first openings, the second moving rod passes through a plurality of vertical second openings, the first mounting strip is engaged with the corresponding first side hole, and the second mounting strip is engaged with the corresponding second side hole.

[0014] Furthermore, a blower is fixed on the outer wall of the tank body near the bottom, a placement hole is opened on the outer wall of the tank body near the bottom, an air intake pipe is fixed in the placement hole, the bottom end of the air intake pipe is through-connected to the top surface of the polyurethane thick film, a PLC controller is fixed on one side of the top surface of the tank body, and the blower is electrically connected to the PLC controller.

[0015] Furthermore, two fixing rings are fixed to the outer wall of the tank body, and fixing rods are respectively fixed on two opposite side surfaces of the outer walls of the two fixing rings, and bottom plates are fixed on the bottom surfaces of the two fixing rods, and side rods are respectively fixed to the bottom of one side surface of the two fixing rods close to each other, and a threaded rod is movably connected to the top surface of the side rod, and a pulley is fixed to the bottom of the outer wall of the threaded rod, and a belt is movably connected between the two pulleys, and a servo motor is fixed to the bottom of one side of the fixing rod on one side, and the output end of the servo motor is fixed to the bottom surface of the threaded rod on one side, and limiting rods are respectively fixed on two opposite side surfaces of the mounting plate, and one end of the limiting rod is movably engaged with the outer wall of the fixing rod, and the limiting rod is movably connected to the corresponding outer wall of the threaded rod, and a PLC controller is fixed to one side of the top surface of the tank body, and the servo motor and the blower are electrically connected to the PLC controller respectively.

[0016] Furthermore, a third gear is fixed to the top of the outer wall of the rotating rod, an external motor is fixed to the other side of the top surface of the tank body, a fourth gear is fixed to the output end of the external motor, the fourth gear is meshed with the third gear, a feed pipe is connected through the outer wall of the tank body near the top, a discharge port is provided at the bottom of the outer wall of the tank body, two symmetrically distributed engaging rods are fixed to the bottom of the outer wall of the tank body, and a baffle is movably engaged between the two engaging rods.

[0017] The present invention has the following technical effects: 1. The air can be injected into the tank body by means of the blower and the first exhaust hole, and then the polypropylene particles in the tank body and the polyurethane thick film are subjected to air cooling treatment. The contact strip, threaded rod, servo motor, pulley and belt are arranged, so that the contact strip can push the polyurethane thick film to deform to different degrees, so that the polypropylene particles in the polyurethane thick film can be pushed to disperse, so that the polypropylene particles can fully contact with the air, thereby improving the heat dissipation effect of the polypropylene particles and the efficiency of cooling and molding of the polypropylene particles.

[0018] 2. The rotating rod is provided to rotate the elastic strip, the first moving rod and the second moving rod, so that the polypropylene particles in the tank body are driven to be dispersed in the horizontal direction. The synchronous lifting assembly is provided to enable the first moving rods and the second moving rods to present a periodic up-and-down movement state, so that one side of the elastic strip moves up and the other side moves up, so that the polypropylene particles in the tank body can be pushed up and down in the vertical direction to be dispersed, and the polypropylene particles in the tank body are squeezed at the same time, so that the polypropylene particles in the tank body can be dispersed in both the horizontal and vertical directions, further improving the heat dissipation effect of the polypropylene particles and the efficiency of cooling and molding of the polypropylene particles.

[0019] 3. The polypropylene particles in the tank and the polyurethane thick film can be easily discharged through the contact strip, servo motor, pulley, threaded rod and baffle. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the baffle structure of the present invention; Figure 3 It is a schematic diagram of the cross-sectional structure of the tank body of the present invention; Figure 4 For the present invention Figure 3 A is a schematic diagram of the partially enlarged structure of the middle part; Figure 5 It is a schematic diagram of the cross-sectional structure of the limiting ring of the present invention; Figure 6 For the present invention Figure 5 A schematic diagram of the partially enlarged structure of B in the middle; Figure 7 This is a schematic diagram of the structure of the first moving rod of the present invention; Figure 8 For the present invention Figure 7 A schematic diagram of the partially enlarged structure of C in the middle; Fig. 9 This is a schematic diagram of the arc strip structure of the present invention; Fig.10 This is a schematic diagram of the pentagonal plate structure of the present invention; Fig.11 It is a schematic diagram of the structure of the toothed disk of the present invention.

[0021] In the figure: 100, tank body; 101, polyurethane thick film; 102, first exhaust hole; 103, arc strip; 104, communication hole; 200, mounting plate; 201, contact strip; 202, fixing ring; 203, fixing rod; 204, limiting rod; 205, threaded rod; 206, side rod; 207, servo motor; 208, pulley; 209, belt; 210, bottom plate; 300, rotating rod; 301, connecting rod; 302, first moving rod; 303, second moving rod; 304, elastic strip; 305, second exhaust hole; 306, first opening; 307, first mounting strip; 308, first side hole; 309, second side hole; 310, second opening; 311, second mounting strip; 400, top plate; 401, C-shaped frame; 402, rotating plate; 403, bottom rod; 404, roller; 405, first connecting rope; 406, second connecting rope; 407, counterweight; 500, pentagonal plate; 501, snap-fitting opening; 502, limiting strip; 503, L-shaped plate; 504, annular groove; 505, limiting ring; 506, fixing block; 507, bottom column; 508, first rotating shaft; 509, cam; 510, first gear; 511, second rotating shaft; 512, second gear; 513, gear column; 600, toothed disc; 601, third gear; 602, fourth gear; 603, external motor; 700, feed pipe; 701, clamping rod; 702, baffle; 703, discharge port; 800, placement hole; 801, air inlet pipe; 802, blower; 803, PLC controller. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1 To Attachment Fig.11 The embodiments describe the principles and features of the present invention; the examples are only used to explain the present invention; they are not used to limit the scope of the present invention.

[0023] A cooling molding device for polypropylene production comprises a tank body 100, a polyurethane thick film 101 is fixed to the bottom surface of the tank body 100, an inner cavity is arranged inside the polyurethane thick film 101, a plurality of arcuate strips 103 distributed in a circle are fixed in the inner cavity, a plurality of connecting holes 104 distributed in a circle are opened on one side of the arcuate strip 103, a plurality of first exhaust holes 102 distributed in a circle are opened on the inner wall of the polyurethane thick film 101, a rotating rod 300 is movably connected to the middle of the top surface of the inner wall of the tank body 100, a plurality of elastic strips 304 distributed in a circle are fixed to the outer wall of the rotating rod 300, a plurality of second exhaust holes 305 evenly distributed are opened on the surface of the elastic strip 304, a mounting plate 200 is arranged below the polyurethane thick film 101, a plurality of contact strips 201 evenly distributed and of different heights are fixed to the top surface of the mounting plate 200, and a synchronous lifting component is arranged near the top position of the outer wall of the rotating rod 300.

[0024] When air flows into the tank body 100 through the second exhaust holes 305 , the polypropylene particles on the surface of the elastic strip 304 can be cooled through the second exhaust holes 305 .

[0025] As a further solution of the present invention, the synchronous lifting assembly includes a pulling assembly, a connecting assembly and a driving assembly.

[0026] By providing the pulling assembly, the connecting assembly and the driving assembly, a plurality of first moving rods 302 and second moving rods 303 can be lifted.

[0027] As a further solution of the present invention, the pulling assembly includes a plurality of connecting rods 301 distributed in a circle, and the plurality of connecting rods 301 are respectively fixed on the outer side wall of the rotating rod 300 near the top position, a first moving rod 302 is movably connected to one side of the top surface of the connecting rod 301, and a second moving rod 303 is movably connected to the middle of the top surface of the connecting rod 301, and top plates 400 are respectively fixed to the top surfaces of the first moving rod 302 and the second moving rod 303, a C-shaped frame 401 is fixed to the top of the connecting rod 301, and a rotating plate 402 is movably connected inside the C-shaped frame 401, first connecting ropes 405 are respectively fixed on both sides of the bottom inclined surface of the rotating plate 402, and the bottom end of the first connecting rope 405 is fixed to the corresponding top surface of the top plate 400, two bottom rods 403 are respectively fixed on both sides of the bottom inclined surface of the rotating plate 402, a roller 404 is movably connected to the bottom of the bottom rod 403, and a counterweight block 407 is fixed to one side of the bottom inclined surface of the rotating plate 402.

[0028] By means of the rotating plate 402, the bottom rod 403 and the roller 404, the top plate 400 can be pushed, and by means of the first connecting rope 405, the top plate 400 can be connected to the rotating plate 402. By means of the counterweight block 407, after the first moving rod 302 moves downward, the rotating plate 402 can move downward on one side under the action of the counterweight block 407, thereby causing the second moving rod 303 to move downward.

[0029] The top plate 400 can be pushed by the provided rotating plate 402 , the bottom rod 403 and the roller 404 , and the top plate 400 can be connected to the rotating plate 402 by the provided first connecting rope 405 .

[0030] As a further solution of the present invention, the connecting component includes a pentagonal plate 500, which is movably mounted on the outer wall of the rotating rod 300 near the top position, and the inner wall of the pentagonal plate 500 is provided with a plurality of circumferentially distributed snap-fitting openings 501, and a plurality of circumferentially distributed limiting strips 502 are fixed to the outer wall of the rotating rod 300 near the top position, and the snap-fitting openings 501 are movably engaged with the corresponding limiting strips 502, and a plurality of circumferentially distributed L-shaped plates 503 are fixed to the top surface of the pentagonal plate 500 near the outer edge position, and a plurality of circumferentially distributed second connecting ropes 406 are fixed to the bottom surface of the pentagonal plate 500, and the bottom surface of the second connecting ropes 406 is fixed to one side of the top surface of the rotating plate 402.

[0031] The pentagonal plate 500 can be limited in the vertical direction by the provided snap-fitting opening 501 and the limiting strip 502 , and the pentagonal plate 500 can be connected to the rotating plate 402 by the provided second connecting rope 406 .

[0032] As a further solution of the present invention, the driving assembly includes a toothed disk 600, which is fixed at the middle position of the top surface of the inner wall of the tank body 100. A plurality of fixed blocks 506 distributed in a circle are arranged on the periphery of the toothed disk 600. A first rotating shaft 508 is movably connected to the bottom of one side of the fixed block 506, a cam 509 is fixed at one end of the first rotating shaft 508, and a first gear 510 is fixed at the other end of the first rotating shaft 508. A second rotating shaft 511 is movably connected to the top of one side of the fixed block 506, a second gear 512 is fixed to the middle of the outer wall of the second rotating shaft 511, a gear column 513 is fixed to one side of the outer wall of the second rotating shaft 511, the second gear 512 is meshed with the first gear 510, and the gear column 513 is meshed with the toothed disk 600. A bottom column 507 is fixed to the bottom surface of the fixed block 506, and the bottom column 507 movably passes through the corresponding pentagonal plate 500.

[0033] By means of the toothed disk 600, the second gear 512, the tooth column 513 and the first gear 510, the first rotating shaft 508 can rotate when the rotating rod 300 rotates, thereby driving the cam 509 to rotate, so that the height of the L-shaped plate 503 is increased, and by means of the bottom column 507, the pentagonal plate 500 can be movably connected with the fixed block 506.

[0034] This program has the following working process: When cooling the polypropylene particles, first pour the polypropylene particles into the tank body 100 so that the height of the polypropylene particles in the tank body 100 is below the bottom of the feed pipe 700, operate the PLC controller 803 to start the blower 802, and the blower 802 pumps air into the inner cavity, and the air is finally discharged through the first exhaust hole 102 to dissipate the heat of the polypropylene particles, and then operate the PLC controller 803 to start the servo motor 207, and drive the two threaded rods 205 to rotate through the drive of the pulley 208 and the belt 209, thereby driving the mounting plate 200 to move upward, and the mounting plate 200 moves upward so that the plurality of contact strips 201 contact with the polyurethane thick film 101 and push the polyurethane thick film 101 to deform to different degrees. The polypropylene particles inside the polyurethane thick film 101 are pushed to shift, and then the PLC controller 803 controls the servo motor 207 to rotate in the opposite direction, thereby causing the threaded rod 205 to rotate in the opposite direction, and finally causing the polyurethane thick film 101 to slowly recover. During this process, the polypropylene particles inside the polyurethane thick film 101 are also moving, and the servo motor 207 periodically rotates forward and reversely, causing the polyurethane thick film 101 to deform and recover repeatedly, so that the polypropylene particles inside the polyurethane thick film 101 can be pushed to disperse. During the periodic deformation and recovery process of the polyurethane thick film 101, the polypropylene particles inside the polyurethane thick film 101 can be driven to mix and have the heat blown away by the air discharged from the first exhaust hole 102. When the servo motor 207 is started, the external motor 603 is started at the same time. The rotation of the motor 603 drives the fourth gear 602 to rotate, the rotation of the fourth gear 602 drives the third gear 601 to rotate, the rotation of the third gear 601 drives the rotating rod 300 to rotate, the rotation of the rotating rod 300 drives the connecting rod 301 to rotate, and then drives the first moving rod 302, the second moving rod 303 and the elastic strip 304 to rotate, and at the same time, the rotation of the rotating rod 300 drives the fixed block 506 to rotate, the rotation of the fixed block 506 drives the first gear 510, the second gear 512, and the tooth column 513 to rotate, and the first rotating shaft 508 rotates through the cooperation with the toothed disk 600, the rotation of the first rotating shaft 508 drives the cam 509 to rotate, the rotation of the cam 509 causes the L-shaped plate 503 to move up, the upward movement of the L-shaped plate 503 drives the pentagonal plate 500 to move up, and the pentagonal plate 500 moves up and pulls the second connecting rope 406, and the second connecting rope 406 pulls the rotating plate 402 to rotate, so that the roller 404 on one side of the first moving rod 302 contacts the top plate 400, pushing the top plate 400 on this side to move downward, thereby causing the first moving rod 302 to move downward, and the downward movement of the first moving rod 302 drives one side of the vertical multiple elastic strips 304 to move downward, causing the elastic strips 304 to deform. At the same time, when the second connecting rope 406 pulls the rotating plate 402 to rotate, the first connecting rope 405 on one side of the second moving rod 303 pulls the top plate 400 on this side to move upward, thereby pulling the second moving rod 303 to move upward, and the upward movement of the second moving rod 303 drives the other side of the vertical multiple elastic strips 304 to move upward, causing the elastic strips 304 to deform, and then the cam 509 rotates,The L-shaped plate 503 moves downward, and then the pentagonal plate 500 moves downward. At this time, under the gravity of the counterweight block 407, the rotating plate 402 rotates, pushing the top plate 400 on the second moving rod 303, so that the second moving rod 303 moves downward and the first moving rod 302 moves upward. In this process, one side of the elastic strip 304 moves upward and the other side moves downward, so that the polypropylene particles in the tank body 100 are pushed up and down in the vertical direction and dispersed, and at the same time, the polypropylene particles inside the tank body 100 are squeezed, and then the polypropylene particles in the tank body 100 are driven to disperse, so that the polypropylene particles can fully contact with the air, and the air cools the moving polypropylene particles, so that the polypropylene particles can be fully cooled. When the rotating rod 300 rotates, it drives the elastic strip 304, the first moving rod 302 and the second moving rod 303 to rotate, so that the polypropylene particles in the tank body 100 can be stirred and dispersed, and further the polypropylene particles are fully in contact with the air, driving the heat of the polypropylene particles, and the heat is finally discharged from the feeding pipe 700.

[0035] When taking out the cooled and formed polypropylene particles, the polypropylene particle storage device is placed on the bottom plate 210, and then the baffle 702 is taken out from the two locking rods 701, and then the servo motor 207 is started to make the contact strip 201 move up and down periodically, so that the polyurethane thick film 101 is deformed and restored periodically, and finally the polypropylene particles in the tank body 100 and the polyurethane thick film 101 are discharged into the storage device, and a small amount of polypropylene particles in the polyurethane thick film 101 can be taken out manually.

[0036] According to the above working process, it can be known that: through the set blower 802 and the first exhaust hole 102, air can be injected into the tank body 100, and then the polypropylene particles in the tank body 100 and the polyurethane thick film 101 are air-cooled. Through the set contact strip 201, threaded rod 205, servo motor 207, pulley 208 and belt 209, the contact strip 201 can push the polyurethane thick film 101 to deform to different degrees, so that the polypropylene particles in the polyurethane thick film 101 can be pushed and dispersed, so that the polypropylene particles can fully contact with the air, thereby improving the heat dissipation effect of the polypropylene particles and the efficiency of cooling and molding of the polypropylene particles.

[0037] By means of the rotating rod 300, the elastic strip 304, the first moving rod 302 and the second moving rod 303 can be rotated, so that the polypropylene particles in the tank body 100 are driven and dispersed in the horizontal direction. By means of the synchronous lifting assembly, the first moving rods 302 and the second moving rods 303 can present a periodic up-and-down movement state, so that one side of the elastic strip 304 moves up and the other side moves up, so that the polypropylene particles in the tank body 100 can be pushed up and down in the vertical direction to be dispersed, and the polypropylene particles inside the tank body 100 are squeezed at the same time, so that the polypropylene particles in the tank body 100 can be dispersed in both the horizontal and vertical directions, thereby further improving the heat dissipation effect of the polypropylene particles and the efficiency of cooling and molding of the polypropylene particles.

[0038] By means of the contact strip 201 , the servo motor 207 , the pulley 208 , the threaded rod 205 and the baffle 702 , the polypropylene particles in the tank body 100 and the polyurethane thick film 101 can be conveniently discharged.

[0039] As a further solution of the present invention, an annular groove 504 is formed on the top surface of the inner wall of the tank body 100 , a limit ring 505 is movably engaged in the annular groove 504 , and the top surfaces of the plurality of fixing blocks 506 are fixed to the bottom surface of the limit ring 505 .

[0040] The fixed block 506 can be movably restricted by the provided limiting ring 505 and the annular groove 504 .

[0041] As a further solution of the present invention, a plurality of evenly distributed first side holes 308 are opened on one side of the first moving rod 302, a plurality of evenly distributed second side holes 309 are opened on one side of the second moving rod 303, a first opening 306 is opened at a raised position on the surface of the elastic strip 304, a first mounting strip 307 is fixed between inner side walls close to one side of the first opening 306, a second opening 310 is opened at a recessed position on the surface of the elastic strip 304, a second mounting strip 311 is fixed between inner side walls close to one side of the second opening 310, the first moving rod 302 passes through a plurality of vertical first openings 306, the second moving rod 303 passes through a plurality of vertical second openings 310, the first mounting strip 307 is engaged with the corresponding first side hole 308, and the second mounting strip 311 is engaged with the corresponding second side hole 309.

[0042] The elastic strip 304 can be connected to the first moving rod 302 by setting the first side hole 308, the first opening 306 and the first mounting strip 307, and the elastic strip 304 can be connected to the second moving rod 303 by setting the second side hole 309, the second opening 310 and the second mounting strip 311.

[0043] As a further solution of the present invention, a blower 802 is fixed on the outer wall of the tank body 100 near the bottom, a placement hole 800 is opened on the outer wall of the tank body 100 near the bottom, an air intake pipe 801 is fixed in the placement hole 800, the bottom end of the air intake pipe 801 is through-connected to the top surface of the polyurethane thick film 101, a PLC controller 803 is fixed on one side of the top surface of the tank body 100, and the blower 802 is electrically connected to the PLC controller 803.

[0044] By means of the blower 802 and the air inlet pipe 801, air can be injected into the inner cavity and then discharged through the first exhaust hole 102 to dissipate heat for the polypropylene particles.

[0045] As a further solution of the present invention, two fixing rings 202 are fixed to the outer wall of the tank body 100, and fixing rods 203 are fixed to the opposite sides of the outer wall of the two fixing rings 202 respectively, and the bottom surfaces of the two fixing rods 203 are fixed with bottom plates 210, and the two fixing rods 203 are respectively fixed with side rods 206 at the bottom of one side close to each other, and the top surface of the side rod 206 is movably connected with a threaded rod 205, and a pulley 208 is fixed to the bottom of the outer wall of the threaded rod 205, and a belt 209 is movably connected between the two pulleys 208, and the fixing rods 206 on one side are fixed with a belt 209 ... A servo motor 207 is fixed to the bottom of one side surface 03, and the output end of the servo motor 207 is fixed to the bottom surface of the threaded rod 205 on one side. Limit rods 204 are fixed to the two opposite sides of the mounting plate 200 respectively, and one end of the limit rod 204 is movably engaged with the outer wall of the fixing rod 203. The limit rod 204 is movably connected to the outer wall of the corresponding threaded rod 205. A PLC controller 803 is fixed to one side of the top surface of the tank body 100, and the servo motor 207 and the blower 802 are electrically connected to the PLC controller 803 respectively.

[0046] The threaded rod 205 , the pulley 208 , the belt 209 and the servo motor 207 are arranged so that the mounting plate 200 can move up and down, thereby driving the plurality of contact strips 201 to move up and down.

[0047] As a further solution of the present invention, a third gear 601 is fixed to the top of the outer wall of the rotating rod 300, an external motor 603 is fixed to the other side of the top surface of the tank body 100, a fourth gear 602 is fixed to the output end of the external motor 603, the fourth gear 602 is meshed with the third gear 601, a feed pipe 700 is connected through the outer wall of the tank body 100 near the top position, a discharge port 703 is opened at the bottom of the outer wall of the tank body 100, and two symmetrically distributed locking rods 701 are fixed to the bottom of the outer wall of the tank body 100, and a baffle 702 is movably engaged between the two locking rods 701.

[0048] The feed pipe 700 is provided so that the polypropylene particles can be poured into the tank body 100 from the feed pipe 700 , and the discharging port 703 can be closed and opened through the locking rod 701 and the baffle 702 .

[0049] In summary, when cooling the polypropylene particles, first pour the polypropylene particles into the tank body 100 so that the height of the polypropylene particles in the tank body 100 is below the bottom of the feed pipe 700, operate the PLC controller 803 to start the blower 802, and the blower 802 pumps air into the inner cavity, and the air is finally discharged through the first exhaust hole 102 to dissipate the heat of the polypropylene particles, and then operate the PLC controller 803 to start the servo motor 207, and drive the two threaded rods 205 to rotate through the drive of the pulley 208 and the belt 209, thereby driving the mounting plate 200 to move upward, and the mounting plate 200 moves upward so that the plurality of contact strips 201 contact the polyurethane thick film 101 and push the polyurethane thick film 101 to undergo different degrees of deformation. The polypropylene particles in the polyurethane thick film 101 are pushed to shift, and then the PLC controller 803 controls the servo motor 207 to rotate in the opposite direction, thereby causing the threaded rod 205 to rotate in the opposite direction, and finally causing the polyurethane thick film 101 to slowly recover. During this process, the polypropylene particles in the polyurethane thick film 101 are also moving, and the servo motor 207 periodically rotates forward and reversely, causing the polyurethane thick film 101 to deform and recover repeatedly, so that the polypropylene particles in the polyurethane thick film 101 can be pushed to disperse. During the periodic deformation and recovery process of the polyurethane thick film 101, the polypropylene particles in the polyurethane thick film 101 can be driven to mix and the heat is blown away by the air discharged from the first exhaust hole 102. When the servo motor 207 is started, the external electric The external motor 603 rotates to drive the fourth gear 602 to rotate, the fourth gear 602 rotates to drive the third gear 601 to rotate, the third gear 601 rotates to drive the rotating rod 300 to rotate, the rotating rod 300 rotates to drive the connecting rod 301 to rotate, and then drives the first moving rod 302, the second moving rod 303 and the elastic strip 304 to rotate, and at the same time, the rotating rod 300 rotates to drive the fixed block 506 to rotate, the fixed block 506 rotates to drive the first gear 510, the second gear 512, and the tooth column 513 to rotate, and the first rotating shaft 508 rotates through the cooperation with the toothed disk 600, the first rotating shaft 508 rotates to drive the cam 509 to rotate, the cam 509 rotates to make the L-shaped plate 503 move up, and the L-shaped plate 503 moves up to drive the pentagonal plate 500 moves up, the pentagonal plate 500 moves up and pulls the second connecting rope 406, and the second connecting rope 406 pulls the rotating plate 402 to rotate, so that the roller 404 on one side of the first moving rod 302 contacts the top plate 400, pushing the top plate 400 on this side to move down, thereby causing the first moving rod 302 to move down, and the downward movement of the first moving rod 302 drives one side of the vertical multiple elastic strips 304 to move down, causing the elastic strips 304 to deform. At the same time, when the second connecting rope 406 pulls the rotating plate 402 to rotate, the first connecting rope 405 on one side of the second moving rod 303 pulls the top plate 400 on this side to move up, thereby pulling the second moving rod 303 to move up, and the upward movement of the second moving rod 303 drives the other side of the vertical multiple elastic strips 304 to move up, causing the elastic strips 304 to deform.Then the cam 509 rotates, causing the L-shaped plate 503 to move downward, and then causing the pentagonal plate 500 to move downward. At this time, under the gravity of the counterweight 407, the rotating plate 402 rotates, pushing the top plate 400 on the second moving rod 303, causing the second moving rod 303 to move downward and the first moving rod 302 to move upward. During this process, one side of the elastic strip 304 moves upward and the other side moves downward, so that the polypropylene particles in the tank body 100 are pushed up and down in the vertical direction and dispersed, and at the same time, the polypropylene particles inside the tank body 100 are squeezed, thereby driving the polypropylene particles in the tank body 100 to disperse, so that the polypropylene particles can fully contact with the air, and the air cools the moving polypropylene particles, so that the polypropylene particles can be fully cooled. When the rotating rod 300 rotates, it drives the elastic strip 304, the first moving rod 302 and the second moving rod 303 to rotate, so that the polypropylene particles in the tank body 100 can be stirred and dispersed, and further the polypropylene particles are fully contacted with the air, driving the heat of the polypropylene particles, and the heat is finally discharged from the feeding pipe 700.

[0050] When taking out the cooled and formed polypropylene particles, the polypropylene particle storage device is placed on the bottom plate 210, and then the baffle 702 is taken out from the two locking rods 701, and then the servo motor 207 is started to make the contact strip 201 move up and down periodically, so that the polyurethane thick film 101 is deformed and restored periodically, and finally the polypropylene particles in the tank body 100 and the polyurethane thick film 101 are discharged into the storage device, and a small amount of polypropylene particles in the polyurethane thick film 101 can be taken out manually.

[0051] The arc strip 103 is made of polyurethane.

[0052] The polyurethane thick film 101, the servo motor 207, the external motor 603, the blower 802 and the PLC controller 803 can all be purchased on the market, and are mature technologies in this field and have been fully disclosed, so they are not repeated in the specification.

[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A cooling molding device for polypropylene production, comprising a tank body (100), characterized in that: A polyurethane thick film (101) is fixed on the bottom surface of the tank body (100), an inner cavity is provided inside the polyurethane thick film (101), a plurality of arc-shaped strips (103) distributed in a circumference are fixed in the inner cavity, a plurality of connecting holes (104) distributed in a circumference are provided on one side of the arc-shaped strip (103), a plurality of first exhaust holes (102) distributed in a circumference are provided on the inner wall of the polyurethane thick film (101), a rotating rod (300) is movably connected to the middle of the top surface of the inner wall of the tank body (100), a plurality of elastic strips (304) distributed in a circumference are fixed on the outer wall of the rotating rod (300), a plurality of evenly distributed second exhaust holes (305) are provided on the surface of the elastic strip (304), a mounting plate (200) is provided below the polyurethane thick film (101), a plurality of evenly distributed contact strips (201) of different heights are fixed on the top surface of the mounting plate (200), and a synchronous lifting component is provided near the top of the outer wall of the rotating rod (300).

2. The cooling molding device for polypropylene production according to claim 1, characterized in that: The synchronous lifting assembly includes a pulling assembly, a connecting assembly and a driving assembly.

3. The cooling molding device for polypropylene production according to claim 2, characterized in that: The pulling assembly comprises a plurality of connecting rods (301) distributed in a circumference, the plurality of connecting rods (301) being respectively fixed to the outer side wall of the rotating rod (300) near the top, a first moving rod (302) being movably connected to one side of the top surface of the connecting rod (301), a second moving rod (303) being movably connected to the middle of the top surface of the connecting rod (301), a top plate (400) being respectively fixed to the top surfaces of the first moving rod (302) and the second moving rod (303), and a C A C-shaped frame (401) is movably connected to a rotating plate (402) in the C-shaped frame (401), first connecting ropes (405) are respectively fixed to both sides of the bottom inclined surface of the rotating plate (402), the bottom ends of the first connecting ropes (405) are fixed to the top surfaces of the corresponding top plates (400), two bottom rods (403) are respectively fixed to both sides of the bottom inclined surface of the rotating plate (402), the bottoms of the bottom rods (403) are movably connected to rollers (404), and a counterweight (407) is fixed to one side of the bottom inclined surface of the rotating plate (402).

4. The cooling molding device for polypropylene production according to claim 3, characterized in that: The connection assembly comprises a pentagonal plate (500), the pentagonal plate (500) being movably sleeved on the outer wall of the rotating rod (300) near the top, the inner wall of the pentagonal plate (500) being provided with a plurality of circumferentially distributed snap-fitting openings (501), the outer wall of the rotating rod (300) being fixed with a plurality of circumferentially distributed limiting strips (502) near the top, the snap-fitting openings (501) being movably engaged with the corresponding limiting strips (502), the top surface of the pentagonal plate (500) being fixed with a plurality of circumferentially distributed L-shaped plates (503) near the outer edge, the bottom surface of the pentagonal plate (500) being fixed with a plurality of circumferentially distributed second connection ropes (406), the bottom surface of the second connection ropes (406) being fixed to one side of the top surface of the rotating plate (402).

5. The cooling molding device for polypropylene production according to claim 4, characterized in that: The driving assembly comprises a toothed disc (600), the toothed disc (600) being fixed at a middle position of the top surface of the inner side wall of the tank body (100), a plurality of circumferentially distributed fixing blocks (506) being arranged on the periphery of the toothed disc (600), a first rotating shaft (508) being movably connected to the bottom of a side surface of the fixing block (506), a cam (509) being fixed to one end of the first rotating shaft (508), a first gear (510) being fixed to the other end of the first rotating shaft (508), and the fixing block (506) A second rotating shaft (511) is movably connected to the top of one side surface, a second gear (512) is fixed to the middle of the outer wall of the second rotating shaft (511), a tooth column (513) is fixed to one side of the outer wall of the second rotating shaft (511), the second gear (512) is meshed with the first gear (510), the tooth column (513) is meshed with the toothed disk (600), and a bottom column (507) is fixed to the bottom surface of the fixed block (506), and the bottom column (507) movably passes through the corresponding pentagonal plate (500).

6. The cooling molding device for polypropylene production according to claim 5, characterized in that: An annular groove (504) is provided on the top surface of the inner wall of the tank body (100), a limiting ring (505) is movably engaged in the annular groove (504), and the top surfaces of a plurality of fixing blocks (506) are fixed to the bottom surface of the limiting ring (505).

7. The cooling molding device for polypropylene production according to claim 6, characterized in that: A plurality of evenly distributed first side holes (308) are formed on one side of the first moving rod (302), a plurality of evenly distributed second side holes (309) are formed on one side of the second moving rod (303), a first opening (306) is formed at a raised position on the surface of the elastic strip (304), a first mounting strip (307) is fixed between inner side walls of the first opening (306) and a side surface close to each other, a second opening (310) is formed at a recessed position on the surface of the elastic strip (304), a second mounting strip (311) is fixed between inner side walls of the second opening (310) and a side surface close to each other, the first moving rod (302) passes through a plurality of vertical first openings (306), the second moving rod (303) passes through a plurality of vertical second openings (310), the first mounting strip (307) is engaged with the corresponding first side hole (308), and the second mounting strip (311) is engaged with the corresponding second side hole (309).

8. The cooling molding device for polypropylene production according to claim 7, characterized in that: A blower (802) is fixed to the outer wall of the tank body (100) near the bottom, a placement hole (800) is opened to the outer wall of the tank body (100) near the bottom, an air intake pipe (801) is fixed in the placement hole (800), the bottom end of the air intake pipe (801) is connected to the top surface of the polyurethane thick film (101), a PLC controller (803) is fixed to one side of the top surface of the tank body (100), and the blower (802) is electrically connected to the PLC controller (803).

9. The cooling molding device for polypropylene production according to claim 8, characterized in that: Two fixing rings (202) are fixed to the outer wall of the tank body (100); fixing rods (203) are respectively fixed to opposite sides of the outer wall of the two fixing rings (202); a bottom plate (210) is fixed to the bottom of the two fixing rods (203); a side rod (206) is respectively fixed to the bottom of a side surface close to each other of the two fixing rods (203); a threaded rod (205) is movably connected to the top surface of the side rod (206); a pulley (208) is fixed to the bottom of the outer wall of the threaded rod (205); a belt (209) is movably connected between the two belt wheels (208); and a fixing rod (203) on one side is fixed to the bottom of a side surface. A servo motor (207) is fixed to the bottom, and an output end of the servo motor (207) is fixed to the bottom surface of the threaded rod (205) on one side. Limit rods (204) are respectively fixed to two opposite side surfaces of the mounting plate (200), and one end of the limit rod (204) is movably engaged with the outer wall of the fixing rod (203). The limit rod (204) is movably connected to the outer wall of the threaded rod (205). A PLC controller (803) is fixed to one side of the top surface of the tank body (100), and the servo motor (207) and the blower (802) are respectively electrically connected to the PLC controller (803).

10. The cooling molding device for polypropylene production according to claim 9, characterized in that: A third gear (601) is fixed to the top of the outer wall of the rotating rod (300), an external motor (603) is fixed to the other side of the top surface of the tank body (100), a fourth gear (602) is fixed to the output end of the external motor (603), the fourth gear (602) is meshed with the third gear (601), a feed pipe (700) is connected through the outer wall of the tank body (100) near the top, a discharge port (703) is provided at the bottom of the outer wall of the tank body (100), two symmetrically distributed locking rods (701) are fixed to the bottom of the outer wall of the tank body (100), and a baffle (702) is movably locked between the two locking rods (701).

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