Green chemical plastic extruding, cutting and forming equipment

Abstract

The invention relates to the technical field of plastic production equipment, in particular to green chemical plastic extruding, cutting and forming equipment which comprises a rack, an extruding barrel is fixed to the rack, a first motor is arranged at the feeding end of the extruding barrel, and the outlet end of the extruding barrel is bent downwards and then communicates with a discharging mold; a feeding hopper is mounted on the extrusion barrel at the feeding end, and a heating barrel is further arranged on the extrusion barrel in a sleeving manner; the bottom of the discharging die is fixedly connected with a material receiving barrel, the top of the discharging die is provided with a cooling assembly, the cooling assembly is fixed to a mounting plate arranged on the rack, and a discharging cutting assembly is connected between the mounting plate and the material receiving barrel. Through the arrangement of the discharging mold and the discharging cutting assembly, the problems that in the prior art, a semi-finished product of forming equipment cannot be automatically demolded, and the size of a produced product is irregular are solved, discharging and cutting are carried out while injection molding is carried out on the product, and the overall working efficiency of the equipment is improved while the product quality is guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of plastic production equipment, in particular to green chemical plastic extrusion cutting and molding equipment. Background Art

[0002] With the global emphasis on environmental protection and sustainable development, the research and development and application of green chemical materials have received more and more attention. Traditional plastic production processes often rely on petroleum-based raw materials, which not only consumes a lot of resources, but also may have serious impacts on the environment during production and use. To this end, the development of green chemical plastics, especially plastics using renewable resources and bio-based materials, has become an important development direction of the current chemical industry. In this context, waste plastics can be reused after re-cleaning, and plastic extrusion molding technology, as one of the main methods of plastic processing, is becoming increasingly important. Extrusion molding equipment melts plastic particles at high temperature and then extrudes them through a mold. It is widely used in the manufacture of pipes, plates, films and other products.

[0003] However, existing plastic processing equipment still faces many challenges in practical applications, especially in the extrusion and cutting process, where low efficiency, inconsistent finished product size and irregular shape seriously restrict production capacity and product quality. In order to meet the market's growing demand for green plastics, existing equipment may be insufficient in production efficiency, resulting in increased production costs and longer delivery cycles.

[0004] Chinese patent CN118181573B discloses an extrusion processing equipment and processing method for plastic materials, including a frame, an extrusion barrel and a cooling box, wherein the frame is provided with an extrusion motor at the end of the extrusion barrel, a feeding barrel is provided above the end of the extrusion barrel close to the extrusion motor, a first electric heating box is provided outside the extrusion barrel, a discharging die is also provided at the other end of the extrusion barrel, the cooling box is provided at the discharging end of the discharging die, and a material cutting assembly is provided at the end of the cooling box. Through the efficient operation of the return material assembly, including a cleaning box, a collecting hopper, a first material guide rod, a second material guide rod and a hot air box, etc., the comprehensive recycling of waste materials is realized. After the waste materials are cleaned, dried and preheated, the waste materials are fully reused, the waste materials are reduced in terms of accumulation and transportation costs, and the waste materials can be prevented from being contaminated and unable to be reused.

[0005] The above patent realizes full recycling of waste materials by setting up recycling components, reduces waste accumulation and transportation costs, but the production capacity and product quality of the products need to be further improved. Summary of the invention

[0006] In view of the deficiencies in the prior art, the purpose of the present invention is to propose a green chemical plastic cutting and molding equipment. Through the setting of a discharge mold and a discharge cutting assembly, the problems of the inability of the semi-finished products of the existing plastic cutting equipment to be automatically demolded and the inconsistent and irregular sizes of the products produced are solved. The equipment can be discharged and cut at the same time as the product is being injected, thereby ensuring the product quality and improving the overall working efficiency of the equipment.

[0007] In order to achieve the above object, the present invention provides the following technical solutions: The present invention claims protection for a green chemical plastic extrusion cutting and molding equipment, comprising a frame, an extrusion barrel is fixed on the frame, a conveying roller is rotatably connected in the extrusion barrel, a first motor is provided at the feed end of the extrusion barrel, an output shaft of the first motor extends into the extrusion barrel and is fixedly connected to one end of the conveying roller, an outlet end of the extrusion barrel is bent downward and connected to a discharge die, a feeding hopper is installed on the extrusion barrel at the feed end, and a heating barrel is also sleeved on the extrusion barrel; a receiving barrel is fixedly connected to the bottom of the discharge die, a cooling assembly is provided on the top of the discharge die, a mounting plate is provided on the frame at the outlet end of the extrusion barrel, the cooling assembly is fixed on the mounting plate, and a discharge cutting assembly is connected between the mounting plate and the receiving barrel; The discharging die includes a tray fixedly arranged on the top of the receiving barrel, and a discharging port is provided on the tray; a turntable is rotatably connected inside the tray, injection holes are evenly distributed on the turntable, and a central axis is provided on the turntable, and a stepper motor is also installed on the mounting plate, and the output shaft of the stepper motor passes downward through the mounting plate and is fixedly connected to the central axis; the discharging port of the extruder corresponds to the position of the injection hole on the left, and the discharging port corresponds to the position of the injection hole on the right.

[0008] Preferably, the discharging and cutting assembly includes a roller, and a telescopic part fixed to the bottom of the mounting plate, the telescopic part being located directly above the discharging port; the roller is rotatably connected to a fixed plate extending outward from the mounting plate, a third motor for driving the roller to rotate is fixed to the fixed plate, a convex plate is connected to the outer edge of the roller, the convex plate is intermittently pressed and connected to the telescopic part, a rotating part is also fixed to the roller, a pull rod is fixed to the rotating part, the other end of the pull rod is fixedly connected to the rebound blade after passing through the positioning column; the positioning column is fixed to the bottom of the tray, the rebound blade is rotatably connected to the central column of the material receiving barrel, and a material receiving plate is also fixed to the central column located below the rebound blade.

[0009] Preferably, the telescopic member includes a limiting column fixed to the bottom of the mounting plate, the limiting column is slidably connected with a first spring and a pressing cylinder, the top of the first spring is fixedly connected to the mounting plate, the bottom of the first spring is fixedly connected to the top of the pressing cylinder, the bottom of the pressing cylinder is closed, the limiting column is located above the turntable, a pressing plate is fixed to one side of the top of the pressing cylinder, and the convex plate is intermittently pressed to the pressing plate.

[0010] Preferably, the center column is fixedly connected to the inside of the material receiving barrel, and the top of the center column is fixedly connected to the pallet; the rebound blade includes a double-leaf blade rotatably connected to the center column, and a torsion spring is provided on the center column between the pallet and the double-leaf blade, one end of the torsion spring is fixedly connected to the double-leaf blade, and the other end of the torsion spring is fixedly connected to the bottom of the pallet, and the pull rod is fixedly connected to the tail of the double-leaf blade.

[0011] Furthermore, the material receiving plate is provided with a material receiving hole, an elastic gasket is arranged around the inner wall of the material receiving hole, and the angle between the elastic gasket and the inner wall of the material receiving hole below is 30-60°.

[0012] Preferably, the rotating member comprises a fixing member fixedly connected to the roller, a connecting block is rotatably connected to the fixing member, and the pull rod is fixedly connected to the connecting block.

[0013] Preferably, the positioning column is located in the direction of the cutting edge of the double-leaf blade, and the positioning column is spaced apart from the cutting edge of the double-leaf blade.

[0014] Preferably, the material receiving barrel is fixedly connected to the tray via a column at the top, a filter plate is provided inside the material receiving barrel, and a discharge port is also provided at the bottom of the side wall of the material receiving barrel.

[0015] Preferably, the cooling assembly comprises an air cooler mounted on a mounting plate, the mounting plate is provided with a plurality of nozzles, the nozzles are arranged directly above the injection holes, and the outlet pipe of the air cooler is connected to the nozzles.

[0016] The present invention also claims a method for using the green chemical plastic extrusion cutting and molding device, comprising the following steps: S1: Start the equipment, turn on the heating cylinder, the first motor, the stepping motor, the cooling fan and the third motor, inject the plastic raw material into the extrusion cylinder through the feeding hopper, heat and melt the plastic raw material through the heating cylinder, and the plastic raw material is driven by the first motor to drive the conveying roller to move toward the outlet direction of the extrusion cylinder under the rotation of the conveying blade. While the plastic solution moves forward, the cooling fan blows cold air to the injection hole through the nozzle to cool the turntable; S2: The plastic stock liquid reaches the outlet of the extruder and is injected into the injection hole. When the turntable is cooled, the bottom is quickly solidified. Driven by the stepper motor, after the plastic stock liquid fills the first injection hole, the turntable is quickly rotated to the next injection hole and the injection is continued. The injection hole filled with the plastic stock liquid is cooled after the cooling air is sprayed out by the nozzle of the cooling component to form a solid semi-finished product. S3: While the extruder continues to inject the plastic solution into the injection hole below it, the solid semi-finished product formed after cooling reaches the bottom of the telescopic part under the drive of the stepper motor. The third motor drives the roller to rotate, and the convex plate presses the pressing plate. The pressing plate drives the pressing cylinder to slide downward to press the solid semi-finished product down. The bottom of the solid semi-finished product falls into the receiving hole of the receiving plate, and the top is located in the discharge port. At this time, the convex plate continues to rotate and passes over the pressing plate. The pressing plate drives the pressing cylinder to withdraw from the injection hole and return to its original position under the elastic force of the first spring. The roller drives the pull rod to continue to rotate to the farthest distance from the positioning column. Under the pull of the pull rod, the double-leaf blade cuts the solid semi-finished product. After the cutting is completed, the pull rod is relaxed under the continued rotation of the roller, and the torsion spring drives the double-leaf blade to return to its position to complete the cutting. The finished product after cutting falls into the receiving barrel; S4: After the discharge cutting is completed, the extruder completes the injection of the plastic solution into the injection hole below it, and the stepper motor drives the turntable to continue rotating, and the next solution injection and discharge cutting are performed, and the cycle operation is performed; S5: When the next discharge cutting is performed, the third motor rotates to drive the roller to rotate, the convex plate presses the pressing plate, and the pressing plate drives the pressing cylinder to slide downward to press the solid semi-finished product down. At this time, the fixed material residue left in the receiving hole after the last cutting falls into the receiving bucket through the elastic gasket under the squeezing of the descending solid semi-finished product. The bottom of the solid semi-finished product falls on the elastic gasket in the receiving hole of the receiving plate, and the top is located in the discharge port of the tray. The double-leaf blade performs the next round of cutting; the solid material residue after cutting falls to the bottom of the receiving bucket through the filter plate, and the finished product is located above the filter plate.

[0017] Compared with the prior art, the present invention has the following beneficial effects: (1) The discharge cutting assembly provided in the present invention, while injecting the plastic raw liquid, rotates the roller so that the convex plate presses the pressing plate. Driven by the pressing plate, the pressing cylinder slides downward on the limiting column. After sliding to the injection hole, the solid semi-finished product in the injection hole is pressed to fall onto the receiving plate. The top of the solid semi-finished product is located in the discharge port, which prevents the solid semi-finished product from being unable to automatically fall out of the mold and discharge, causing machine failure. As the roller continues to roll, the convex plate passes over the pressing plate, and the pressing plate is pressed on the spring. Under the rebound of the roller, the pressing cylinder is driven to return to its position. While returning to its position, the roller drives the pull rod to continue to rotate. Under the pull of the pull rod, the double-leaf blade connected to the other end of the pull rod cuts the solid semi-finished product, and the cut finished product falls into the receiving barrel. After the cutting is completed, the pull rod is relaxed under the continued rotation of the roller, and the double-leaf blade is reset by the torsion spring, so that the extruder can inject the plastic solution into one injection hole at the same time, and the material is discharged and cut at one time. The finished products are consistent in specifications and uniform in size, and the cycle is continuous, with extremely high production efficiency.

[0018] (2) The receiving plate of the present invention squeezes the slag remaining in the receiving hole after the last cutting when the solid semi-finished product descends, so that it passes over the elastic gasket and falls into the receiving bucket. At the same time, the solid semi-finished product is located on the elastic spring sheet, which positions the cutting of the solid semi-finished product, facilitates cutting by the double-leaf blade, and realizes the support and limitation of the solid semi-finished product and the collection of slag.

[0019] (3) The injection, cooling and discharging of the plastic product of the present invention are all realized by continuous operation under the rotation of the turntable, so that the device has a simple structure and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of a green chemical plastic extrusion cutting and molding device of the present invention; Figure 2 It is a schematic diagram of the overall cross-sectional structure of a green chemical plastic extrusion cutting and molding device of the present invention; Figure 3 It is a structural schematic diagram of a discharging and cutting assembly of a green chemical plastic extrusion and cutting molding device of the present invention; Figure 4 It is a schematic diagram of the partial explosion structure of a discharging and cutting component of a green chemical plastic extrusion and cutting molding device of the present invention; Figure 5 It is a structural schematic diagram of a discharging and cutting assembly of a green chemical plastic extrusion and cutting molding device of the present invention; Figure 6 It is a structural schematic diagram of a cooling component of a green chemical plastic extrusion cutting and molding device of the present invention; Figure 7It is a schematic cross-sectional structure diagram of a telescopic part of a green chemical plastic extrusion cutting and molding device of the present invention; Figure 8 The present invention is a schematic structural diagram of a material receiving plate of a green chemical plastic extrusion cutting and molding device.

[0021] In the figure: 100, frame; 200, extruder; 300, discharge die; 400, hopper; 500, heating tube; 600, receiving barrel; 700, cooling assembly; 800, discharge cutting assembly; 110, mounting plate; 120, fixing plate; 210, conveying roller; 220, first motor; 310, tray; 320, turntable; 330, stepping motor; 311, discharge port; 321, injection hole; 322, center axis; 610, center column; 710, Air cooler; 720, jet head; 810, roller; 820, telescopic part; 830, positioning column; 840, rebound blade; 850, material receiving plate; 860, rotating part; 870, third motor; 811, convex plate; 812, pull rod; 821, limit column; 822, first spring; 823, pressing cylinder; 824, pressing plate; 841, double-leaf blade; 842, torsion spring; 851, material receiving hole; 852, elastic gasket; 861, fixing part; 862, connecting block. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described below in conjunction with the drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention. In addition, the embodiments of the present invention and the features in the embodiments may be combined with each other if there is no conflict.

[0023] Example 1

[0024] like Figure 1 to Figure 8 As shown, a green chemical plastic extrusion cutting and molding equipment includes a frame 100, an extrusion barrel 200 is fixed on the frame 100, a conveying roller 210 is rotatably connected in the extrusion barrel 200, a first motor 220 is provided at the feeding end of the extrusion barrel 200, an output shaft of the first motor 220 extends into the extrusion barrel 200 and is fixedly connected to one end of the conveying roller 210, an outlet end of the extrusion barrel 200 is bent downward and connected to a discharge die 300, and a A feeding hopper 400 is installed on the extrusion barrel 200, and a heating barrel 500 is also sleeved on the extrusion barrel 200; a receiving barrel 600 is fixedly connected to the bottom of the discharge die 300, a cooling assembly 700 is provided on the top of the discharge die 300, and a mounting plate 110 is provided on the frame 100 at the outlet end of the extrusion barrel 200, the cooling assembly 700 is fixed on the mounting plate 110, and a discharge cutting assembly 800 is connected between the mounting plate 110 and the receiving barrel 600; The discharge die 300 includes a tray 310 fixedly arranged on the top of the receiving barrel 600, and a discharge port 311 is provided on the tray 310; a turntable 320 is rotatably connected inside the tray 310, and injection holes 321 are evenly distributed on the turntable 320, and a center axis 322 is provided on the turntable 320, and a stepper motor 330 is also installed on the mounting plate 110, and the output shaft of the stepper motor 330 passes downward through the mounting plate 110 and is fixedly connected to the center axis 322; the discharge port of the extrusion cylinder 200 corresponds to the position of the injection hole 321 on the left, and the discharge port 311 corresponds to the position of the injection hole 321 on the right.

[0025] Plastic fragments are fed from the feeding hopper 400 and enter the extrusion barrel 400. Under the heating of the heating barrel 500, the plastic fragments gradually melt, and through the rotation of the first motor 220, the conveying roller 210 is driven to convey the molten plastic solution to the discharge port of the extrusion barrel 200. The discharge port of the extrusion barrel 200 is aligned with the discharge die 300, and the plastic solution is injected into the discharge die 300. Under the cooling of the cooling component 700, a solid semi-finished product is formed, and then the discharge cutting component 800 performs discharge cutting, and the finished product and the slag fall into the receiving bucket 600 to complete the production of the finished product.

[0026] It should be noted that a valve is provided on the feeding hopper 400 for controlling the feeding, and a support frame for installing the conveying roller 210 is provided inside the extruder barrel 200. The support frame is supported at both ends of the conveying roller 210, and conveying blades are provided on the conveying roller 210. As the conveying roller 210 rotates, the blades convey the molten plastic raw liquid to the discharge port of the extruder barrel 200; if necessary, a booster pump can be provided at the front end of the extruder barrel to increase the pressure for the extrusion of the plastic raw liquid. The installation of the booster pump is a prior art and will not be elaborated here.

[0027] The tray 310 is used to carry the turntable 320 . The outlet surface of the extruder 200 is sealed and fitted with the upper surface of the turntable 320 . Driven by the stepper motor 330 , the discharge port of the extruder 200 circulates to inject the plastic solution into the injection hole 321 of the turntable 320 one by one.

[0028] In this embodiment, the discharge cutting assembly 800 includes a roller 810 and a telescopic member 820 fixed to the bottom of the mounting plate 110, and the telescopic member 820 is located directly above the discharge port 311; the roller 810 is rotatably connected to a fixed plate 120 extending outward from the mounting plate 110, and a third motor 870 is fixed on the fixed plate 120 to drive the roller 810 to rotate, and a convex plate 811 is connected to the outer edge of the roller 810, and the convex plate 811 and the telescopic member 820 is intermittently pressed and connected, a rotating member 860 is also fixed on the roller 810, a pull rod 812 is fixed on the rotating member 860, the other end of the pull rod 812 passes through the positioning column 830 and is fixedly connected to the rebound blade 840; the positioning column 830 is fixed to the bottom of the tray 310, the rebound blade 840 is rotatably connected to the central column 610 of the material receiving barrel 600, and a material receiving plate 850 is also fixed on the central column 610 located below the rebound blade 840.

[0029] The turntable injected with the plastic solution continues to rotate. Under the action of the cooling assembly 700, the plastic solution solidifies and becomes a solid semi-finished product. Under the continuous drive of the stepping motor 330, the injection hole 321 containing the solid semi-finished product rotates directly below the telescopic member 820. The telescopic member 820 is pressed by the convex plate 811, and the telescopic member 820 presses the solid semi-finished product in the injection hole 321 below, and the solid semi-finished product falls onto the receiving plate 850. At this time, the bottom of the solid semi-finished product is on the receiving plate 850, and the top is located at In the discharge port 311, the convex plate 811 continues to rotate over the telescopic part 820, and the telescopic part 820 rebounds. As the roller 810 continues to rotate, the pull rod 812 pulls through the end of the rebound blade 840 to make it rotate, thereby cutting the solid semi-finished product on the receiving plate 850, and the finished product after cutting falls into the receiving barrel 600. After cutting is completed, the pull rod 812 passes the distance from the positioning column 830 and gradually relaxes. During the relaxation process, the rebound blade 840 is reset to complete the discharge cutting.

[0030] It should be noted that the device can be provided with a controller, which is a PLC controller for controlling the feeding of the extrusion barrel 200, the rotation of the turntable 320 and the operation of the discharge cutting assembly 800. While the extrusion barrel 200 injects the plastic solution into an injection hole 321, the discharge cutting assembly 800 completes a discharge cutting and performs a cyclic operation.

[0031] In this embodiment, the telescopic member 820 includes a limiting column 821 fixed to the bottom of the mounting plate 110, and the limiting column 821 is slidably connected with a first spring 822 and a pressing cylinder 823, the top of the first spring 822 is fixedly connected to the mounting plate 110, and the bottom of the first spring 822 is fixedly connected to the top of the pressing cylinder 823, and the bottom of the pressing cylinder 823 is closed, and the limiting column 821 is located above the turntable 320, and a pressing plate 824 is fixed to one side of the top of the pressing cylinder 823, and the convex plate 811 is intermittently pressed and connected to the pressing plate 824.

[0032] The telescopic member 820 can be pressed by setting a pressing plate 824, and the convex plate 811 presses the pressing plate 824. When pressing, the pressing cylinder 823 fixedly connected to the pressing plate 824 slides downward on the limiting column 821. At this time, the first spring 822 is stretched because its bottom end is fixedly connected to the pressing cylinder 823. The pressing cylinder 823 presses the solid semi-finished product in the injection hole 321 to make it fall onto the receiving plate 850. At this time, the convex plate 811 continues to rotate, so that the convex plate 811 passes over the pressing plate 824. Under the rebound action of the first spring 822, the pressing plate 824 and the pressing cylinder 823 return to their original positions, completing the pressing and rebounding action, so that the solid semi-finished product is successfully demolded, preventing the solid semi-finished product from being unable to demold itself and causing machine failure.

[0033] In this embodiment, the center column 610 is fixedly connected to the inside of the material receiving bucket 600, and the top of the center column 610 is fixedly connected to the tray 310; the rebound blade 840 includes a double-leaf blade 841 rotatably connected to the center column 610, and a torsion spring 842 is sleeved on the center column 610 located between the tray 310 and the double-leaf blade 841, one end of the torsion spring 842 is fixedly connected to the double-leaf blade 841, and the other end of the torsion spring 842 is fixedly connected to the bottom of the tray 310, and the pull rod 812 is fixedly connected to the tail of the double-leaf blade 841.

[0034] The double-leaf blade 841 is rotatably connected to the center column 610, and a torsion spring 842 is also installed above the double-leaf blade 841. One end of the torsion spring 842 is fixedly connected to the top surface of the double-leaf blade, and the other end is fixed to the bottom of the tray 310, so that the double-leaf blade 841 can rotate and return along the torsion spring 842. By connecting the pull rod 812 to the tip of the double-leaf blade 841, the pull rod 812 drives the double-leaf blade to rotate through the rolling of the roller 810. While the double-leaf blade 841 rotates, the solid semi-finished product is cut. The distance between the two blades of the double-leaf blade 841 is the length of the plastic finished product. After the cutting is completed, the pull rod 812 is relaxed under the drive of the turntable. While the pull rod 812 is relaxed, the torsion spring 842 drives the double-leaf blade 841 to return to complete a cutting action.

[0035] In this embodiment, a receiving hole 851 is provided on the receiving plate 850, and an elastic gasket 852 is provided on the inner wall of the receiving hole 851. The angle between the elastic gasket 852 and the inner wall of the receiving hole 851 below is 30-60 degrees.

[0036] When the telescopic part 820 presses the solid semi-finished product and the solid semi-finished product descends, under the action of gravity and the spacing setting, the solid semi-finished product squeezes the material residue left in the receiving hole 851 last time, so that it passes over the elastic gasket 852 and falls into the receiving bucket 600, completing the collection of the material residue. At the same time, the solid semi-finished product that is about to be cut is supported and limited.

[0037] In this embodiment, the rotating member 860 includes a fixing member 861 fixedly connected to the roller 810 , a connecting block 862 is rotatably connected to the fixing member 861 , and the pull bar 812 is fixedly connected to the connecting block 862 .

[0038] The connecting block 862 is rotatably connected to the fixing member 861 , and the pull rod is fixedly connected to the connecting block 862 , so as to prevent the pull rod 812 from being entangled on the fixing member 861 when the roller 810 rotates, thereby affecting the shearing function.

[0039] In this embodiment, the positioning post 830 is located in the direction of the blade edge of the double-leaf blade 841 , and the positioning post 830 is spaced apart from the blade edge of the double-leaf blade 841 .

[0040] The positioning column 830 and the blade edge of the double-leaf blade 841 are arranged at intervals, so that the double-leaf blade 841 can achieve a cutting action under the pulling of the pull bar 812.

[0041] In this embodiment, the material receiving bucket 600 is fixedly connected to the tray 310 via a column at the top, a filter plate is provided inside the material receiving bucket 600, and a discharge port is also provided at the bottom of the side wall of the material receiving bucket 600.

[0042] A filter plate is provided in the receiving barrel 600 so that the residue is filtered under the filter plate and separated and collected from the finished plastic products.

[0043] In this embodiment, the cooling assembly 700 includes an air cooler 710 installed on a mounting plate, and a plurality of nozzles 720 are provided on the mounting plate 110. The nozzles 720 are arranged directly above the injection hole 321, and the outlet pipe of the air cooler 710 is connected to the nozzles 720.

[0044] The jet head 720 of the cooling assembly 700 is arranged at a position other than the discharge port of the extrusion barrel 200 and the injection hole 321 corresponding to the telescopic member 820, and blows air into the injection hole 321 where no injection molding is performed to cool the injection hole 321. When the cooled injection hole 321 is rotated to the discharge port position of the extrusion barrel 200, the injected plastic solution is quickly cooled in the injection hole 321 and the bottom is quickly solidified, so that the rotation of the turntable 320 will not affect the leakage of the plastic solution in the injection hole 321. When the injection hole 321 filled with the plastic solution is rotated to the next position, the jet head sprays air toward the injection hole 321 to accelerate the solidification of the plastic solution to form a solid semi-finished product, until it is rotated to the bottom of the telescopic member 820 and the discharge cutting is started.

[0045] Example 2

[0046] A method for using the green chemical plastic extrusion cutting and molding equipment of embodiment 1 comprises the following steps: S1: Start the equipment, turn on the heating cylinder 500, the first motor 220, the stepping motor 330, the cooling fan 710 and the third motor 870, inject the plastic raw material into the extrusion cylinder 200 through the feeding hopper 400, heat and melt the heating cylinder 500, and the plastic raw liquid is driven by the first motor 220 to drive the conveying roller 210 to move toward the outlet direction of the extrusion cylinder 200 under the rotation of the conveying blade. While the plastic solution moves forward, the cooling fan 710 blows cold air to the injection hole 321 through the nozzle 720 to cool the turntable; S2: The plastic stock liquid reaches the outlet of the extruder 200 and is injected into the injection hole 321. When the turntable 320 is cooled, the bottom is quickly solidified. Driven by the stepper motor 330, after the first injection hole 321 is filled with the plastic stock liquid, the turntable 320 is quickly rotated to the next injection hole 321, and the injection is continued. After the injection hole 321 filled with the plastic stock liquid passes through the cooling assembly and the nozzle 720 sprays cold air, it is cooled to form a solid semi-finished product. S3: While the extruder 200 continues to inject the plastic solution into the injection hole below it, the solid semi-finished product formed after cooling reaches the bottom of the telescopic member 820 under the drive of the stepper motor 330. The third motor 870 drives the roller 810 to rotate, and the convex plate 811 presses the pressing plate 824. The pressing plate 824 drives the pressing cylinder 823 to slide downward to press the solid semi-finished product down. The bottom of the solid semi-finished product falls into the receiving hole 851 of the receiving plate 850, and the top is located in the discharge port 311. At this time, the convex plate 811 continues to The pressing plate 824 rotates and passes over the pressing plate 824. Under the elastic force of the first spring 822, the pressing plate 824 drives the pressing cylinder 823 to withdraw from the injection hole 321 and return to its original position. The roller 810 drives the pull bar 812 to continue to rotate to the farthest distance from the positioning column 830. Under the pull of the pull bar 812, the double-leaf blade 841 cuts the solid semi-finished product. After the cutting is completed, under the continuous rotation of the roller 810, the pull bar 812 relaxes, and the torsion spring 842 drives the double-leaf blade 841 to return to its original position to complete the cutting. The finished product after cutting falls into the receiving barrel 600. S4: After the discharge cutting is completed, the extruder 200 injects the plastic solution into the injection hole 321 below it, and the stepper motor 330 drives the turntable 320 to continue rotating, and the next solution injection and discharge cutting are performed, and the cycle operation is performed; S5: When the next discharge cutting is performed, the third motor 870 rotates to drive the roller 810 to rotate, the convex plate 811 presses the pressing plate 824, and the pressing plate 824 drives the pressing cylinder 823 to slide downward to press the solid semi-finished product down. At this time, the fixed material residue left in the receiving hole 851 after the last cutting is squeezed by the descending solid semi-finished product, passes over the elastic gasket 852 and falls into the receiving bucket 600. The bottom of the solid semi-finished product falls on the elastic gasket 852 in the receiving hole 851 of the receiving plate 850, and the top is located in the discharge port 311 of the tray 310. The double-leaf blade 841 performs the next round of cutting. After the cutting is completed, the solid material residue falls to the bottom of the receiving bucket 600 through the filter plate, and the finished product is located above the filter plate.

[0047] Although the present invention has been disclosed as above by embodiments, it is not intended to limit the present invention. Any technician familiar with the profession can make some changes or modifications to equivalent embodiments of equivalent changes using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the scope of the technical solution of the present invention.

Claims

1. A green chemical plastic extrusion cutting and molding device, comprising a frame (100), characterized in that: An extrusion barrel (200) is fixed on the frame (100), a conveying roller (210) is rotatably connected inside the extrusion barrel (200), a first motor (220) is provided at the feeding end of the extrusion barrel (200), an output shaft of the first motor (220) extends into the extrusion barrel (200) and is fixedly connected to one end of the conveying roller (210), an outlet end of the extrusion barrel (200) is bent downward and connected to a discharge die (300), and a feeding hopper (400) is installed on the extrusion barrel (200) at the feeding end. ), a heating cylinder (500) is also sleeved on the extrusion cylinder (200); a receiving barrel (600) is fixedly connected to the bottom of the discharge die (300), a cooling assembly (700) is provided on the top of the discharge die (300), a mounting plate (110) is provided on the frame (100) at the outlet end of the extrusion cylinder (200), the cooling assembly (700) is fixed on the mounting plate (110), and a discharge cutting assembly (800) is connected between the mounting plate (110) and the receiving barrel (600); The discharge die (300) comprises a tray (310) fixedly arranged on the top of the receiving barrel (600), and a discharge port (311) is provided on the tray (310); a turntable (320) is rotatably connected inside the tray (310), and injection holes (321) are evenly distributed on the turntable (320), and a central axis (322) is provided on the turntable (320); a stepper motor (330) is also installed on the mounting plate (110), and an output shaft of the stepper motor (330) passes downward through the mounting plate (110) and is fixedly connected to the central axis (322); the discharge port of the extrusion barrel (200) corresponds to the position of the injection hole (321) on the left side, and the discharge port (311) corresponds to the position of the injection hole (321) on the right side.

2. A green chemical plastic extrusion cutting and molding equipment according to claim 1, characterized in that: The material discharging and cutting assembly (800) comprises a roller (810) and a telescopic member (820) fixed to the bottom of the mounting plate (110), wherein the telescopic member (820) is located directly above the material discharging port (311); the roller (810) is rotatably connected to a fixed plate (120) extending outward from the mounting plate (110), a third motor (870) for driving the roller (810) to rotate is fixed to the fixed plate (120), a convex plate (811) is connected to the outer edge of the roller (810), and the convex plate (811) and the telescopic member (820) are connected to each other. An intermittent pressing connection is provided, wherein a rotating member (860) is fixed on the roller (810), a pulling rod (812) is fixed on the rotating member (860), and the other end of the pulling rod (812) passes through a positioning column (830) and is fixedly connected to a rebound blade (840); the positioning column (830) is fixed to the bottom of the tray (310), the rebound blade (840) is rotatably connected to the central column (610) of the material receiving barrel (600), and a material receiving plate (850) is also fixed to the central column (610) located below the rebound blade (840).

3. A green chemical plastic extrusion cutting and molding equipment according to claim 2, characterized in that: The telescopic member (820) comprises a limiting column (821) fixed to the bottom of the mounting plate (110); a first spring (822) and a pressing cylinder (823) are slidably connected to the limiting column (821); the top of the first spring (822) is fixedly connected to the mounting plate (110); the bottom of the first spring (822) is fixedly connected to the top of the pressing cylinder (823); the bottom of the pressing cylinder (823) is closed; the limiting column (821) is located above the rotating disk (320); a pressing plate (824) is fixed to one side of the top of the pressing cylinder (823); and the convex plate (811) is intermittently pressedly connected to the pressing plate (824).

4. A green chemical plastic extrusion cutting and molding equipment according to claim 2, characterized in that: The central column (610) is fixedly connected to the inside of the material receiving barrel (600), and the top of the central column (610) is fixedly connected to the tray (310); the rebound blade (840) includes a double-leaf blade (841) rotatably connected to the central column (610), and a torsion spring (842) is sleeved on the central column (610) between the tray (310) and the double-leaf blade (841), one end of the torsion spring (842) is fixedly connected to the double-leaf blade (841), and the other end of the torsion spring (842) is fixedly connected to the bottom of the tray (310), and the pull rod (812) is fixedly connected to the tail of the double-leaf blade (841).

5. A green chemical plastic extrusion cutting and molding equipment according to claim 2, characterized in that: The receiving plate (850) is provided with a receiving hole (851), and an elastic gasket (852) is arranged on the inner wall of the receiving hole (851), and the angle between the elastic gasket (852) and the inner wall of the receiving hole (851) below is 30-60 degrees.

6. A green chemical plastic extrusion cutting and molding equipment according to claim 2, characterized in that: The rotating member (860) comprises a fixing member (861) fixedly connected to the roller (810), a connecting block (862) being rotatably connected to the fixing member (861), and the pulling bar (812) being fixedly connected to the connecting block (862).

7. A green chemical plastic extrusion cutting and molding equipment according to claim 4, characterized in that: The positioning column (830) is located in the direction of the blade edge of the double-leaf blade (841), and the positioning column (830) is arranged at an interval with respect to the blade edge of the double-leaf blade (841).

8. The green chemical plastic extrusion cutting and molding equipment according to claim 1 is characterized by: The material receiving barrel (600) is fixedly connected to the tray (310) via a column at the top, a filter plate is provided inside the material receiving barrel (600), and a discharge port is also provided at the bottom of the side wall of the material receiving barrel (600).

9. The green chemical plastic extrusion cutting and molding equipment according to claim 1 is characterized by: The cooling assembly (700) comprises a cooling fan (710) mounted on a mounting plate. The mounting plate (110) is provided with a plurality of nozzles (720). The nozzles (720) are arranged directly above the injection holes (321). The outlet pipes of the cooling fan (710) are in communication with the nozzles (720).

10. A method for using the green chemical plastic extrusion cutting and molding equipment as claimed in claims 1 to 9, characterized in that: The steps include: S1: starting the equipment, turning on the heating cylinder (500), the first motor (220), the stepping motor (330), the cooling fan (710) and the third motor (870), injecting plastic raw materials into the extrusion cylinder (200) through the feeding hopper (400), heating and melting the plastic raw liquid through the heating cylinder (500), and driving the conveying roller (210) driven by the first motor (220) to move toward the outlet direction of the extrusion cylinder (200) under the rotation of the conveying blades. While the plastic solution moves forward, the cooling fan (710) blows cold air to the injection hole (321) through the nozzle (720) to cool the turntable; S2: The plastic stock liquid reaches the outlet of the extrusion barrel (200) and is injected into the injection hole (321). When the turntable (320) is cooled, the bottom is rapidly solidified. Driven by the stepping motor (330), after the first injection hole (321) is filled with the plastic stock liquid, the turntable (320) is rapidly rotated to the next injection hole (321) and the injection is continued. After the injection hole (321) filled with the plastic stock liquid passes through the nozzle (720) of the cooling component and sprays cold air, it is cooled to form a solid semi-finished product. S3: While the extruder (200) continues to inject the plastic solution into the injection hole below it, the solid semi-finished product formed after cooling, driven by the stepper motor (330), reaches the bottom of the telescopic member (820). When the roller (810) is rotated by the third motor (870), the convex plate (811) presses the pressing plate (824). The pressing plate (824) drives the pressing cylinder (823) to slide downward to press the solid semi-finished product downward. The bottom of the solid semi-finished product falls into the receiving hole (851) of the receiving plate (850), and the top is located in the discharge port (311). At this time, the convex plate (811) continues to rotate. , passing over the pressing plate (824), the pressing plate (824) drives the pressing cylinder (823) to withdraw from the injection hole (321) and return to its original position under the elastic force of the first spring (822), the roller (810) drives the pull rod (812) to continue to rotate to the farthest distance from the positioning column (830), under the pull of the pull rod (812), the double-leaf blade (841) cuts the solid semi-finished product, after the cutting is completed, under the continued rotation of the roller (810), the pull rod (812) relaxes, the torsion spring (842) drives the double-leaf blade (841) to return to its original position, and the cutting is completed, and the finished product after cutting falls into the receiving barrel (600); S4: After the discharge cutting is completed, the extruder (200) injects the plastic solution into the injection hole (321) below it, and the stepper motor 330 drives the turntable 320 to continue rotating, and the next solution injection and discharge cutting are performed, and the cycle operation is performed; S5: When the next discharge cutting is performed, the third motor (870) rotates to drive the roller (810) to rotate, the convex plate (811) presses the pressing plate (824), and the pressing plate (824) drives the pressing cylinder (823) to slide downward to press the solid semi-finished product down. At this time, the fixed material residue left in the receiving hole (851) after the last cutting is squeezed by the descending solid semi-finished product and falls into the receiving bucket (600) through the elastic gasket (852). The bottom of the solid semi-finished product falls on the elastic gasket (852) in the receiving hole (851) of the receiving plate (850), and the top is located in the discharge port (311) of the tray (310). The double-leaf blade (841) performs the next round of cutting. After the cutting is completed, the solid material residue falls to the bottom of the receiving bucket (600) through the filter plate, and the finished product is located above the filter plate.

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