ABS plastic plate extruding device with intelligent pressure regulating function

The ABS plastic sheet extrusion device with intelligent pressure regulation function solves the problem of unadjustable outlet pressure, realizes product quality stability and improves production efficiency, extends the service life of the device, and enhances the strength of the plastic sheet.

CN120756064BActive Publication Date: 2026-03-24JIANGSU ECOLOGICAL LIGHT NEW MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-08-01
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In existing technologies, the outlet pressure of waste plastic masterbatch cannot be adjusted according to the actual situation during extrusion, resulting in a decline in product quality.

Method used

An ABS plastic sheet extrusion device with intelligent pressure regulation function was designed. The position of the discharge baffle is adjusted in real time using an electric telescopic rod and a sensor. Combined with a drying component and a premixing component, it realizes intelligent control of the outlet pressure and drying of plastic particles.

Benefits of technology

It improved product quality stability and production efficiency, extended the service life of the equipment, and enhanced the strength and quality of the plastic sheets.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses an ABS plastic plate extruding device with an intelligent pressure regulating function, and relates to the technical field of extrusion.The ABS plastic plate extruding device with the intelligent pressure regulating function comprises a base, a feeding cylinder and a conveying cylinder are installed on the base, a mounting frame is installed on the conveying cylinder, a discharging baffle is installed on the mounting frame, an electric telescopic rod is installed on the side of the mounting frame away from the conveying cylinder, a spring sleeve is installed at the end of the electric telescopic rod, a supporting rod is slidably installed in the spring sleeve, a distance sensor and a pressure sensor are installed in the mounting frame, and the distance sensor and the pressure sensor are electrically connected with the electric telescopic rod.When the molten plastic is extruded below the discharging baffle under the pushing action of the conveying screw rod, the bubbles in the molten plastic are reduced.When the discharging pressure is too large, the electric telescopic rod is contracted, the discharging baffle is moved away from the driving motor, the outlet pressure is relieved, the product quality stability is ensured, and the production efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The application relates to the field of plastic extrusion technology, and particularly relates to an ABS plastic plate extrusion device with an intelligent pressure regulating function. BACKGROUND

[0002] Waste plastic recycling is a process of reprocessing and utilizing used plastic products through classification, cleaning, crushing and melting processes. With the wide application of plastic products, the problem of waste plastic pollution is becoming increasingly serious. Recycling can not only reduce environmental pollution, but also save resources and reduce energy consumption. Common recycling methods include mechanical recycling (physical treatment and regranulation), chemical recycling (decomposition into monomers or fuel) and energy recycling (incineration for power generation). At present, the utilization rate of easily recyclable plastics such as PET and HDPE is relatively high, but mixed plastics or seriously contaminated plastics still face technical challenges. The global plastic recycling rate is about 9%, and there is a huge space for improvement.

[0003] After the waste plastic master batch is melted, most processes form a product shape under the limitation of a screw extrusion melting cylinder at a die orifice. The outlet pressure directly affects the quality of the extruded plate during extrusion. The outlet pressure is affected by the amount of raw materials and the screw speed. Different extruded plates require different pressures. Under the prior art, a certain outlet pressure can only be set in advance, and the outlet pressure cannot be adjusted according to the actual situation, resulting in a decrease in product quality. SUMMARY

[0004] The application aims to provide an ABS plastic plate extrusion device with an intelligent pressure regulating function to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme: the ABS plastic plate extrusion device with an intelligent pressure regulating function comprises a base, a feeding cylinder and a feeding cylinder are installed on the base, a driving motor is also installed on the base, a conveying screw is installed on the output shaft of the driving motor, the conveying screw extends into the feeding cylinder, an installation frame is installed on the end of the feeding cylinder away from the driving motor, an inclined rail is installed on the installation frame, a discharging baffle is slidably installed on the inclined rail, an electric telescopic rod is installed on the side of the installation frame away from the feeding cylinder, a spring sleeve is installed at the end of the electric telescopic rod, a supporting rod is slidably installed in the spring sleeve, the end of the supporting rod is slidably connected with the discharging baffle, a distance sensor is installed on the side of the installation frame away from the feeding cylinder, a pressure sensor is installed on the side of the discharging baffle close to the feeding cylinder, and the distance sensor and the pressure sensor are electrically connected with the electric telescopic rod.

[0006] As a preferred technical scheme, the lower end of the discharging baffle and the installation frame form a discharging channel, and the discharging channel is externally connected with an extrusion die at the side away from the feeding cylinder.

[0007] As a preferred technical scheme, the feeding barrel is provided with a drying assembly and a premixing assembly, and the drying assembly and the premixing assembly are operated by the driving motor.

[0008] The drying assembly dehumidifies the feeding particles.

[0009] The premixing assembly mixes the dried particles with reinforcing fillers to enhance the strength of the extruded plate.

[0010] As a preferred technical scheme, the drying assembly comprises a rotating column, a transmission belt, a driving gear, a first transmission gear, a driven gear, a first transmission rod, a second transmission rod, a vibrating tooth, a first inclined plate, a second inclined plate, a vibrating rod, a sliding hole, a material passing hole, a ventilation hole, a mounting plate, a fan and a feeding port.

[0011] The rotating column is rotatably installed on the base, and the rotating column, the driving motor and the output shaft are connected through the transmission belt. The driving gear is installed at one end of the rotating column away from the feeding barrel. The first transmission gear and the driven gear are rotatably installed on the base. The first transmission gear is engaged with the driving gear, and the driven gear is engaged with the first transmission gear. The second transmission rod is installed on the first transmission gear, and the first transmission rod is installed on the driven gear. The vibrating tooth is installed at one end of the first transmission rod and the second transmission rod close to the feeding barrel. The first inclined plate and the second inclined plate are slidably installed in the feeding barrel. The vibrating rod is installed on one side of the first inclined plate and the second inclined plate close to the driving gear. Two sliding holes are formed in the feeding barrel, and the vibrating rod is slidably connected with the sliding hole. The material passing hole is formed in the first inclined plate and the second inclined plate. The horizontal angle between the material passing hole on the first inclined plate and the material passing hole on the second inclined plate is a straight angle. The mounting plate is installed below the second inclined plate, and the fan is installed on the mounting plate. A plurality of ventilation holes are formed in the first inclined plate and the second inclined plate. The feeding port is formed in the feeding barrel.

[0012] As a preferred technical scheme, the drying assembly further comprises a heating ring, and the heating ring is installed on the feeding barrel and located between the first inclined plate and the second inclined plate.

[0013] As a preferred technical scheme, the drying assembly further comprises a mounting rod and a humidity detector.

[0014] The mounting rod is installed on the upper end of the feeding barrel, and a plurality of humidity detectors are evenly distributed on one side of the first inclined plate close to the mounting rod. The humidity detectors are electrically connected with the fan.

[0015] As a preferred technical scheme, the drying assembly further comprises an anti-overflow baffle, and the first inclined plate and the second inclined plate are both provided with the anti-overflow baffle. The size of the anti-overflow baffle is greater than that of the sliding hole.

[0016] As a preferred technical solution, the premixing assembly comprises a fixed frame, a rotating seat, a rotating cylinder, a first partition plate, a second partition plate, a first opening, a second opening, a first push rod group, a second push rod group, a feeding pipe, a first bevel gear, a second bevel gear, a second transmission gear, a gear ring, an upper mounting plate discharge port and a flow guide channel.

[0017] The fixed frame and the rotating seat are mounted on the feeding cylinder, the rotating cylinder is rotatably mounted on the rotating seat, the first partition plate and the second partition plate are mounted on the fixed frame, the first push rod group and the second push rod group are mounted on the rotating cylinder, the lower surface of the first push rod group is in close contact with the upper surface of the first partition plate, the lower surface of the second push rod group is in close contact with the upper surface of the second partition plate, the first opening is formed in the first partition plate, the second opening is formed in the second partition plate, the feeding pipe is mounted on the rotating cylinder, the inlet of the feeding pipe is located outside the feeding cylinder, and the outlet is located between the first partition plate and the second partition plate; in the horizontal plane, the outlet of the feeding pipe is located between the first opening and the second opening; the first bevel gear is mounted at the end of the rotating cylinder; the second transmission gear is rotatably mounted on the feeding cylinder; the second bevel gear is mounted on the second transmission gear; the first bevel gear is mounted at the end of the rotating cylinder; the first bevel gear and the second bevel gear are in meshing engagement; the gear ring is mounted outside the rotating cylinder; the gear ring is in meshing engagement with the second transmission gear; the upper mounting plate discharge port is formed in the mounting plate; the upper mounting plate discharge port is connected with the rotating cylinder through the flow guide channel; and the rotating cylinder is rotatably connected with the flow guide channel.

[0018] As a preferred technical solution, the premixing assembly further comprises a laser detector and a flow control valve.

[0019] The laser detector is mounted on the upper mounting plate discharge port; the inlet of the feeding pipe is provided with the flow control valve; and the flow control valve is electrically connected with the laser detector.

[0020] Compared with the prior art, the present application has the following advantages:

[0021] 1. When the discharge pressure is too large, the electric telescopic rod will retract, causing the discharge baffle to move away from the drive motor side, relieving the outlet pressure, and ensuring product quality stability and improving production efficiency.

[0022] Since the electric telescopic rod can intelligently control the position of the discharge baffle, it can also prevent the spring in the spring sleeve from being fatigued, prolonging the service life of the device and further ensuring product quality stability and improving production efficiency.

[0023] 2. The drying assembly is provided, and the water remaining on the plastic particles can be dried through the blowing of the fan and the vibration of the first and second inclined plates, preventing the evaporation of water during melting from affecting the quality of the extruded plastic plate, and further improving the strength and quality of the extruded plastic plate.

[0024] 3. The premixing assembly is arranged, so that the plastic particles can enter the mixing layer in batches, and the mixing effect is enhanced; by adding the additive after drying and before melting, the melting can be carried out in time, the mixing effect is prevented from being affected by the early addition of the additive, and the additive is prevented from being ineffective, and the strength of the extruded plate is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a first perspective structural schematic view of the application;

[0026] Figure 2 It is a second perspective structural schematic view of the application;

[0027] Figure 3 It is a first cut structural schematic view of the application;

[0028] Figure 4 It is a second cut structural schematic view of the application;

[0029] Figure 5 It is a third cut structural schematic view of the application;

[0030] Figure 6 It is an enlarged structural schematic view of A in the application Figure 3

[0031] Figure 7 It is an enlarged structural schematic view of B in the application Figure 3

[0032] Figure 8 It is an enlarged structural schematic view of C in the application Figure 4

[0033] Figure 9 It is an enlarged structural schematic view of D in the application Figure 5

[0034] In the figure: 1, base; 2, feeding cylinder; 3, conveying cylinder; 4, driving motor; 5, conveying screw; 6, mounting frame; 7, inclined rail; 8, discharging baffle; 9, supporting rod; 10, spring sleeve; 11, electric telescopic rod; 12, pressure sensor; 13, distance sensor; 14, discharging channel;

[0035] ​​​​Drying assembly; 1501, rotating column; 1502, drive belt; 1503, drive gear; 1504, first drive gear; 1505, driven gear; 1506, first drive rod; 1507, second drive rod; 1508, vibrating gear; 1509, first inclined plate; 1510, second inclined plate; 1511, vibrating rod; 1512, sliding hole; 1513, material inlet; 1514, vent hole; 1515, mounting plate; 1516, fan; 1517, heating ring; 1518, feed inlet; 1519, mounting rod; 1520, moisture detector; 1521, overflow baffle;

[0036] Premixed component; 1601, Fixing frame; 1602, Rotary seat; 1603, Rotary drum; 1604, First partition; 1605, Second partition; 1606, First opening; 1607, Second opening; 1608, First push rod assembly; 1609, Second push rod assembly; 1610, Feed pipe; 1611, First bevel gear; 1612, Second bevel gear; 1613, Second transmission gear; 1614, Gear ring; 1615, Upper mounting plate discharge port; 1616, Guide channel; 1617, Laser detector; 1618, Flow control valve. Detailed Implementation

[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0038] Example: Figures 1-5 As shown, the present invention provides a technical solution for an ABS plastic sheet extrusion device with intelligent pressure adjustment function. The device comprises a base 1, on which a feed cylinder 2 and a conveying cylinder 3 are mounted. A drive motor 4 is also mounted on the base 1. A conveying screw 5 is mounted on the output shaft of the drive motor 4, extending into the conveying cylinder 3. A mounting frame 6 is mounted on the end of the conveying cylinder 3 away from the drive motor 4. A inclined rail 7 is mounted on the mounting frame 6, and a discharge baffle 8 is slidably mounted on the inclined rail 7. An electric telescopic rod 11 is mounted on the side of the mounting frame 6 away from the conveying cylinder 3. A spring sleeve 10 is mounted at the end of the electric telescopic rod 11, and a support rod 9 is slidably mounted inside the spring sleeve 10. The end of the support rod 9 is slidably connected to the discharge baffle 8. A distance sensor 13 is mounted on the side of the mounting frame 6 away from the conveying cylinder 3, and a pressure sensor 12 is mounted on the side of the discharge baffle 8 near the conveying cylinder 3. Both the distance sensor 13 and the pressure sensor 12 are electrically connected to the electric telescopic rod 11.

[0039] The extrusion device is in operation, the pretreated plastic particles from the feeding cylinder 2 enter the inlet end of the conveying cylinder 3, the driving motor 4 drives the conveying screw 5 to rotate, the plastic particles are conveyed from the inlet end of the conveying cylinder 3 to the end close to the mounting frame 6, the plastic particles are heated to a molten state in the conveying cylinder 3 for extrusion, the molten plastic is pushed out below the discharge baffle 8 under the action of the conveying screw 5, the discharge baffle 8 forms a certain extrusion pressure on the discharge, when the output power of the driving motor 4 fluctuates or the feeding amount fluctuates, the discharge baffle 8 moves away from the driving motor 4 along the inclined rail 7 as the pressure of the molten plastic increases, the distance sensor 13 is used to detect the distance between the wall surface of the mounting frame 6 and the discharge baffle 8, which represents the discharge amount of the molten plastic, the pressure sensor 12 is used to detect the outlet pressure of the molten plastic in the conveying cylinder 3, before use, the values corresponding to each other of the distance sensor 13 and the pressure sensor 12 are set according to the discharge requirement, when the discharge pressure is too large, the electric telescopic rod 11 is retracted, so that the discharge baffle 8 moves away from the driving motor 4, the outlet pressure is relieved, the product quality stability and the production efficiency are ensured;

[0040] Since the electric telescopic rod 11 can intelligently control the position of the discharge baffle 8, the spring fatigue of the spring in the spring sleeve 10 can also be prevented, the service life of the device is prolonged, and the product quality stability and the production efficiency are further ensured.

[0041] The lower end of the discharge baffle 8 and the mounting frame 6 form a discharge channel 14, and the discharge channel 14 is externally connected to the extrusion die on the side away from the conveying cylinder 3.

[0042] The molten plastic flows out from below the discharge baffle 8, flows through the discharge channel 14, and forms the required product from the extrusion die, the discharge channel can match the height of the discharge baffle 8 in real time, and normal discharge is ensured.

[0043] The feeding cylinder 2 is provided with a drying assembly and a premixing assembly, and the drying assembly and the premixing assembly are operated by the operation of the driving motor 4;

[0044] The drying assembly dehumidifies the feeding particles;

[0045] The premixing assembly mixes the dried particles with reinforcing fillers to enhance the strength of the extruded plate.

[0046] The drying assembly comprises a rotating column 1501, a transmission belt 1502, a driving gear 1503, a first transmission gear 1504, a driven gear 1505, a first transmission rod 1506, a second transmission rod 1507, a vibration tooth 1508, a first inclined plate 1509, a second inclined plate 1510, a vibration rod 1511, a sliding hole 1512, a material passing hole 1513, a ventilation hole 1514, a mounting plate 1515, a fan 1516 and a feeding port 1518;

[0047] The base 1 is rotatably installed with a rotating column 1501, the rotating column 1501 is connected with the driving motor 4 and the output shaft through a transmission belt 1502, the rotating column 1501 is installed with a driving gear 1503 at the end away from the feeding cylinder 2, the base 1 is rotatably installed with a first transmission gear 1504 and a driven gear 1505, the first transmission gear 1504 is engaged with the driving gear 1503, the driven gear 1505 is engaged with the first transmission gear 1504, the first transmission gear 1504 is installed with a second transmission rod 1507, the driven gear 1505 is installed with a first transmission rod 1506, the first transmission rod 1506 and the second transmission rod 1507 are installed with vibration teeth 1508 at the end close to the feeding cylinder 2, the feeding cylinder 2 is slidably installed with a first inclined plate 1509 and a second inclined plate 1510, the first inclined plate 1509 and the second inclined plate 1510 are installed with vibration rods 1511 at the side close to the driving gear 1503, two sliding holes 1512 are formed on the feeding cylinder 2, the vibration rods 1511 are slidably matched with the sliding holes 1512, the first inclined plate 1509 and the second inclined plate 1510 are both formed with material passing holes 1513, the material passing holes 1513 on the first inclined plate 1509 and the material passing holes 1513 on the second inclined plate 1510 are horizontally included at a straight angle, the second inclined plate 1510 is installed with a mounting plate 1515 below, the mounting plate 1515 is installed with a fan 1516, the first inclined plate 1509 and the second inclined plate 1510 are both formed with a plurality of air holes 1514, and the feeding cylinder 2 is formed with a feeding port 1518.

[0048] When the driving motor 4 is running, the driving motor 4 drives the driving gear 1503 to rotate through the transmission belt 1502, the driving gear 1503 drives the first transmission gear 1504 and the driven gear 1505 to rotate through gear engagement, the first transmission gear 1504 drives the corresponding vibration teeth 1508 to rotate through the second transmission rod 1507, and the driven gear 1505 drives the corresponding vibration teeth 1508 to rotate through the first transmission rod 1506, the vibration teeth 1508 rotate to make the vibration rods 1511 reciprocate up and down along the sliding holes 1512, the vibration rods 1511 reciprocate to make the corresponding first inclined plate 1509 or second inclined plate 1510 vibrate, the plastic particles enter the first inclined plate 1509 from the feeding port 1518, and fall onto the second inclined plate 1510 from the material passing holes 1513 under the vibration of the first inclined plate 1509, the vibration of the first inclined plate 1509 can prevent the particle nodules from affecting the melting state of the particles, the vibration of the particles on the second inclined plate 1510 can make the plastic particles uniformly dispersed and accelerate the falling of moisture, the wind generated by the fan 1516 can accelerate the evaporation of moisture on the plastic particles, the blowing of the fan 1516 and the vibration of the plastic particles by the first inclined plate 1509 and the second inclined plate 1510 can dry the residual moisture on the plastic particles, prevent the evaporation of moisture from affecting the quality of the extruded plastic plate during melting, and further improve the strength and quality of the extruded plastic plate.

[0049] The side close to the vibrating tooth 1508 of the vibration rod 1511 is semicircular, facilitating the vibrating tooth 1508 to exert extrusion force on the vibration rod 1511, so that the vibration rod 1511 reciprocates.

[0050] The drying assembly further comprises a heating ring 1517, which is installed on the feeding cylinder 2 and located between the first inclined plate 1509 and the second inclined plate 1510.

[0051] When the drying assembly dries the plastic particles, the heating ring 1517 can heat the plastic between the first inclined plate 1509 and the second inclined plate 1510, further accelerating the evaporation of moisture, preventing the accumulation of blown moisture under the first inclined plate 1509, improving the drying effect, and further ensuring the quality of the extrusion.

[0052] The drying assembly further comprises a mounting rod 1519 and a moisture detector 1520.

[0053] The mounting rod 1519 is installed on the upper end of the feeding cylinder 2 and is uniformly provided with a plurality of moisture detectors 1520 close to the side of the first inclined plate 1509, and the moisture detectors 1520 are electrically connected with the fan 1516.

[0054] The amount of moisture carried by the plastic after processing is random, and when the plastic particles are dried, the moisture is discharged from above the feeding cylinder 2. When the moisture is too much, the moisture detector 1520 will detect an increase in moisture, and the moisture detector 1520 will send an electrical signal to increase the working power of the fan 1516, accelerate the drying of moisture, ensure the dryness, and reduce the residual moisture.

[0055] The drying assembly further comprises a spill-proof baffle 1521, which is installed on the first inclined plate 1509 and the second inclined plate 1510, and the size of the spill-proof baffle 1521 is greater than that of the sliding hole 1512.

[0056] When the first inclined plate 1509 and the second inclined plate 1510 vibrate, a gap will be generated between the vibration rod 1511 and the sliding hole 1512, which is easy to be stuck with plastic particles. The presence of the spill-proof baffle 1521 can prevent the plastic from entering the sliding hole 1512.

[0057] The premixing assembly comprises a fixed frame 1601, a rotating seat 1602, a rotating cylinder 1603, a first partition plate 1604, a second partition plate 1605, a first opening 1606, a second opening 1607, a first push rod group 1608, a second push rod group 1609, a feeding pipe 1610, a first bevel gear 1611, a second bevel gear 1612, a second transmission gear 1613, a gear ring 1614, an upper mounting plate discharge port 1615, and a flow guide channel 1616.

[0058] The feeding barrel 2 is provided with a fixed frame 1601 and a rotating seat 1602, the rotating seat 1602 is rotatably provided with a rotating barrel 1603, the fixed frame 1601 is provided with a first partition plate 1604 and a second partition plate 1605, the rotating barrel 1603 is provided with a first push rod group 1608 and a second push rod group 1609, the lower surface of the first push rod group 1608 is attached to the upper surface of the first partition plate 1604, the lower surface of the second push rod group 1609 is attached to the upper surface of the second partition plate 1605, the first partition plate 1604 is provided with a first opening 1606, the second partition plate 1605 is provided with a second opening 1607, the rotating barrel 1603 is provided with a feeding pipe 1610, the feeding pipe 1610 is arranged on the outside of the feeding barrel 2, and the outlet of the feeding pipe 1610 is located between the first partition plate 1604 and the second partition plate 1605, in the horizontal plane, the outlet of the feeding pipe 1610 is located between the first opening 1606 and the second opening 1607, the rotating column 1501 is provided with a first bevel gear 1611, the feeding barrel 2 is rotatably provided with a second transmission gear 1613, the second transmission gear 1613 is provided with a second bevel gear 1612, the rotating column 1501 is provided with a first bevel gear 1611, the first bevel gear 1611 and the second bevel gear 1612 are engaged, the rotating barrel 1603 is provided with a gear ring 1614, the gear ring 1614 is engaged with the second transmission gear 1613, the mounting plate 1515 is provided with an upper mounting plate discharge port 1615, the upper mounting plate discharge port 1615 is connected with the rotating barrel 1603 through a flow guide channel 1616, and the rotating barrel 1603 is rotatably connected with the flow guide channel 1616.

[0059] The dried plastic particles enter the first partition plate 1604 in the rotating barrel 1603 from the flow guide channel 1616, the rotation of the rotating column 1501 drives the rotation of the first bevel gear 1611, due to the gear engagement, the first bevel gear 1611 drives the second transmission gear 1613 to rotate through the second bevel gear 1612, the rotating barrel 1603 is driven to rotate by the gear ring 1614 through the second transmission gear 1613, and the rotating barrel 1603 drives the first push rod group 1608 and the second push rod group 1609 to rotate synchronously when the rotating barrel 1603 rotates, the first push rod group 1608 pushes the plastic particles in batches to fall on the second partition plate 1605, and the plastic particles are mixed with the additives when the plastic particles are pushed to the outlet of the feeding pipe 1610 on the second partition plate 1605, thereby improving the strength of the extruded plate, and the plastic particles mixed with the additives fall into the conveying barrel 3 from the second opening 1607 under the pushing of the second push rod group 1609, for conveying and melting, and the addition of the additives before drying and melting can timely melt, prevent the addition of the additives from affecting the mixing effect and preventing the additives from being ineffective, and further improve the strength of the extruded plate.

[0060] The premixing assembly further comprises a laser detector 1617 and a flow control valve 1618.

[0061] The laser detector 1617 is installed on the upper installation plate discharge port 1615, and the flow control valve 1618 is installed on the inlet of the feeding pipe 1610, and the flow control valve 1618 is electrically connected with the laser detector 1617.

[0062] The laser detector 1617 can detect the amount of plastic particles falling on the first baffle 1604 in real time, and send an electric signal to control the flow control valve 1618 to add the corresponding amount of additive, so as to ensure the reasonable use amount of the additive, and further improve the strength of the extruded plate.

[0063] The working principle of the present application is as follows:

[0064] By setting a horizontal back pressure valve structure in the installation frame 6, the molten plastic can flow out at a certain pressure, and compared with the traditional back pressure valve, the horizontal force received by the discharge baffle 8 of the back pressure valve and the horizontal movement thereof can reduce energy loss and reduce the load of the driving motor 4.

[0065] And on the basis of the back pressure valve structure, the distance sensor 13, the pressure sensor 12 and the electric telescopic rod 11 are arranged, the outlet pressure is adjusted in real time, the spring fatigue of the spring in the spring sleeve 10 is prevented, the service life of the device is prolonged, the product quality stability is further ensured, and the production efficiency is improved.

[0066] Through the vibration of the first inclined plate 1509 and the vibration of the second inclined plate 1510, the dispersibility of the plastic particles is enhanced, and through the drying of the plastic particles by the fan 1516 and the heating ring 1517, the influence of water evaporation on the quality of the extruded plastic plate during melting is prevented, and the strength and quality of the extruded plastic plate are further improved.

[0067] The first push rod group 1608 pushes the plastic particles of the first baffle 1604, so that the plastic particles can enter the mixing layer in batches, the mixing effect is enhanced, the additive is added after drying and before melting, the melting can be carried out in time, the influence of the additive on the mixing effect is prevented, and the additive is prevented from being invalid, and the strength of the extruded plate is further improved.

[0068] It is obvious for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, and the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. An ABS plastic sheet extrusion device with intelligent pressure adjustment function, characterized in that: The ABS plastic sheet extrusion device with intelligent pressure regulation function includes a base (1), on which a feed cylinder (2) and a conveying cylinder (3) are installed. A drive motor (4) is also installed on the base (1). A conveying screw (5) is installed on the output shaft of the drive motor (4). The conveying screw (5) extends into the conveying cylinder (3). A mounting frame (6) is installed at the end of the conveying cylinder (3) away from the drive motor (4). A sloping rail (7) is installed on the mounting frame (6). A discharge baffle (8) is slidably installed on the sloping rail (7). Inside the mounting frame (6) An electric telescopic rod (11) is installed on the side away from the conveying cylinder (3). A spring sleeve (10) is installed at the end of the electric telescopic rod (11). A support rod (9) is slidably installed inside the spring sleeve (10). The end of the support rod (9) is slidably connected to the discharge baffle (8). A distance sensor (13) is installed on the side away from the conveying cylinder (3) inside the mounting frame (6). A pressure sensor (12) is installed on the side of the discharge baffle (8) close to the conveying cylinder (3). Both the distance sensor (13) and the pressure sensor (12) are electrically connected to the electric telescopic rod (11). The feed cylinder (2) is equipped with a drying component and a premixing component, both of which are operated by the drive motor (4); The drying component dehumidifies the feed particles; The premixed component mixes the dried granules with reinforcing fillers to enhance the strength of the extruded board; The lower end of the discharge baffle (8) and the mounting frame (6) form a discharge channel (14), and the discharge channel (14) is connected to the extrusion mold opening on the side away from the conveying cylinder (3); The drying assembly includes a rotating column (1501), a transmission belt (1502), a drive gear (1503), a first transmission gear (1504), a driven gear (1505), a first transmission rod (1506), a second transmission rod (1507), a vibrating tooth (1508), a first inclined plate (1509), a second inclined plate (1510), a vibrating rod (1511), a sliding hole (1512), a material passage (1513), a vent hole (1514), a mounting plate (1515), a fan (1516), and a feed inlet (1518). A rotating column (1501) is rotatably mounted on the base (1). The rotating column (1501), the drive motor (4), and the output shaft are connected by a transmission belt (1502). A drive gear (1503) is mounted on the end of the rotating column (1501) away from the feed cylinder (2). A first transmission gear (1504) and a driven gear (1505) are rotatably mounted on the base (1). The first transmission gear (1504) and the drive gear (1503) mesh with each other. The driven gear (1505) and the first transmission gear (1504) mesh together. A second transmission rod (1507) is mounted on the first transmission gear (1504), and a first transmission rod (1506) is mounted on the driven gear (1505). Vibration teeth (1508) are mounted on the ends of the first transmission rod (1506) and the second transmission rod (1507) near the feed cylinder (2). A first inclined plate (1508) is slidably mounted inside the feed cylinder (2). 09) and the second inclined plate (1510), the first inclined plate (1509) and the second inclined plate (1510) are both equipped with a vibrating rod (1511) on the side near the drive gear (1503), the feed cylinder (2) is provided with two sliding holes (1512), the vibrating rod (1511) is slidably engaged with the sliding holes (1512), the first inclined plate (1509) and the second inclined plate (1510) are both provided with a feed port (1513 ... The horizontal angle between the feed port (1513) on the first inclined plate (1509) and the feed port (1513) on the second inclined plate (1510) is a flat angle. An installation plate (1515) is installed below the second inclined plate (1510). A fan (1516) is installed on the installation plate (1515). Several ventilation holes (1514) are opened on both the first inclined plate (1509) and the second inclined plate (1510). A feed port (1518) is opened on the feed cylinder (2). The premixed assembly includes a fixed frame (1601), a rotating base (1602), a rotating cylinder (1603), a first partition (1604), a second partition (1605), a first opening (1606), a second opening (1607), a first push rod assembly (1608), a second push rod assembly (1609), a feed pipe (1610), a first bevel gear (1611), a second bevel gear (1612), a second transmission gear (1613), a gear ring (1614), an upper mounting plate discharge port (1615), and a guide channel (1616). A fixed frame (1601) and a rotating base (1602) are installed on the feed cylinder (2). A rotating cylinder (1603) is rotatably mounted on the rotating base (1602). A first partition (1604) and a second partition (1605) are installed on the fixed frame (1601). A first push rod assembly (1608) and a second push rod assembly (1609) are installed on the rotating cylinder (1603). The lower surface of the first push rod assembly (1608) is in contact with the upper surface of the first partition (1604). The lower surface of the second push rod assembly (1609) is in contact with the upper surface of the second partition (1605). The first partition (1604) has a first opening (1606), and the second partition (1605) has a second opening (1607). A feed pipe (1610) is installed on the rotating drum (1603). The inlet of the feed pipe (1610) is outside the feed cylinder (2), and the outlet is located between the first partition (1604) and the second partition (1605). On the horizontal plane, the outlet of the feed pipe (1610) is located between the first opening (1606) and the second opening (1607). A first bevel gear (1611) is installed at the end of the rotating column (1501). A second transmission gear (1613) is rotatably installed on the feed cylinder (2). A second bevel gear (1612) is installed on the second transmission gear (1613). The first bevel gear (1611) is installed at the end of the rotating column (1501). 611) meshes with the second bevel gear (1612), and a gear ring (1614) is installed on the outside of the rotating drum (1603). The gear ring (1614) meshes with the second transmission gear (1613). An upper mounting plate discharge port (1615) is opened on the mounting plate (1515). The upper mounting plate discharge port (1615) is connected to the rotating drum (1603) through a guide channel (1616). The rotating drum (1603) is rotatably connected to the guide channel (1616).

2. The ABS plastic sheet extrusion device with intelligent pressure adjustment function according to claim 1, characterized in that: The drying assembly also includes a heating ring (1517), which is installed on the feed cylinder (2) and is located between the first inclined plate (1509) and the second inclined plate (1510).

3. The ABS plastic sheet extrusion device with intelligent pressure adjustment function according to claim 1, characterized in that: The drying assembly also includes a mounting rod (1519) and a moisture detector (1520). The upper end of the feed cylinder (2) is equipped with an installation rod (1519). Several moisture detectors (1520) are evenly distributed on the side of the installation rod (1519) near the first inclined plate (1509). The moisture detectors (1520) are electrically connected to the fan (1516).

4. The ABS plastic sheet extrusion device with intelligent pressure adjustment function according to claim 3, characterized in that: The drying assembly also includes an overflow baffle (1521), and the first inclined plate (1509) and the second inclined plate (1510) are both equipped with overflow baffles (1521), the overflow baffles (1521) being larger than the size of the sliding hole (1512).

5. An ABS plastic sheet extrusion device with intelligent pressure adjustment function according to claim 1, characterized in that: The premixed assembly also includes a laser detector (1617) and a flow control valve (1618). A laser detector (1617) is installed on the discharge port (1615) of the upper mounting plate, and a flow control valve (1618) is installed on the inlet of the feed pipe (1610). The flow control valve (1618) is electrically connected to the laser detector (1617).

Citation Information

Patent Citations

  • Plastic extruder with pressure regulating structure

    CN111546599A

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    CN112795156A

  • Drying device for tea processing

    CN212362662U