Plastic extruder for improving particle strength

Abstract

The utility model relates to the technical field of plastic processing and extrusion, and discloses a plastic extruder capable of improving particle strength, which comprises a bottom plate, an extrusion mechanism, a first baffle plate and a second baffle plate, the side, away from the transmission mechanism, of the feeding mechanism is fixedly connected with a machine barrel, two heating mechanisms are fixedly installed on the outer side of the feeding mechanism, the outer side surface of the machine barrel is sleeved with a heat preservation sleeve, the outer side of the heat preservation sleeve is sleeved with electromagnetic induction coils which are spirally and evenly distributed, and the temperature sensor is fixedly installed on the outer side of the machine barrel. According to the utility model, the electromagnetic heater is matched with the electromagnetic induction coil to uniformly heat the machine barrel, a signal is transmitted to the electromagnetic heater through the temperature sensor fixed on the machine barrel, and then the temperature of the machine barrel is monitored in real time through the control panel on the electromagnetic heater; the problem that materials are possibly scrapped due to uneven material processing is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic processing and extrusion, in particular to a plastic extruder for improving the strength of particles. Background Technique

[0002] A plastic extruder for improving the strength of particles is a new type of plastic extruder, which has the characteristics of high quality, high productivity and simple operation. Compared with the traditional plastic extruder, a plastic extruder for improving the strength of particles is simple to operate, can improve the utilization rate of raw materials, and is often used in the processing of plastic products such as plastic pipes and cable wrapping. With the continuous development of technology, the development trend of a plastic extruder for improving the strength of particles is also more and more inclined to the direction of diversification.

[0003] The existing plastic extruders mainly have the following technical defects: the existing plastic extruders directly act on the barrel through electric heating, and then transfer the heat to the internal materials through the barrel to realize the melting of the materials. However, in actual use, the electric heating will cause uneven heating of each part of the barrel, resulting in uneven melting degree of the internal materials, and then bubbles will appear. Insufficient melting of the materials may change their particle strength, resulting in a large amount of waste, bringing inconvenience to daily use, and then leading to a small scope of application and cumbersome operation. Summary of the Invention

[0004] The purpose of the utility model is to provide a plastic extruder for improving the strength of particles to solve the problems put forward in the background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a plastic extruder for improving the strength of particles, including a bottom plate, a first baffle and a second baffle, the first baffle and the second baffle are fixedly installed on the upper side of the bottom plate, a transmission mechanism is fixedly installed on the surface of the bottom plate, and it is characterized in that: a feeding mechanism is fixedly installed on the side of the second baffle away from the transmission mechanism, one side of the feeding mechanism away from the transmission mechanism is fixedly connected to a barrel, the other end of the barrel is fixedly connected to an extrusion mechanism, and two groups of heating mechanisms are fixedly installed on the outer side of the feeding mechanism;

[0006] The heating mechanism includes a heat preservation sleeve, an electromagnetic induction coil and a temperature sensor. The outer surface of the barrel is sleeved with a heat preservation sleeve, the outer side of the heat preservation sleeve is sleeved with a spiral and evenly distributed electromagnetic induction coil, and the temperature sensor is fixedly installed on the outer side of the barrel.

[0007] Further, the heating mechanism further includes a fixed outer shell, an electromagnetic shielding cover, and an electromagnetic heater. The fixed outer shell is fixedly installed on the outer side of the barrel. The fixed outer shell is located outside the heat preservation sleeve. The electromagnetic shielding cover is fixedly installed on the outer side of the fixed outer shell. The electromagnetic heater is fixedly installed on the surface of the bottom plate and is located inside the workbench.

[0008] Further, the transmission mechanism includes a motor support base, a motor fixing plate, a driving motor, a coupling, a bearing, and a screw rod. The motor support base is fixedly installed on the surface of the bottom plate. The motor fixing plate is fixedly installed on the upper side of the motor support base. The driving motor is fixedly installed on the upper side of the motor fixing plate. The output end of the driving motor is fixedly connected to the screw rod through the coupling. A bearing is sleeved between the outer side of the screw rod and the second baffle.

[0009] Further, the feeding mechanism includes a feeding cylinder, a feeding port, a feeding pipeline, a hopper, a hopper top plate, a servo motor, a stirring rod, and a spiral blade. The feeding cylinder is fixedly installed between the second baffle and the barrel. The feeding port is provided on the surface of the feeding cylinder. The feeding pipeline is fixedly installed on the outer side of the feeding cylinder and is located at the feeding port. The hopper is fixedly installed at the top of the feeding pipeline. The hopper top plate is fixedly installed at the top of the hopper and occupies 2 / 3 of the area of the top of the hopper. The servo motor is fixedly installed on the surface of the hopper top plate and is located at the center of the hopper. The output end of the servo motor is fixedly connected to the stirring rod. The spiral blade is fixedly installed on the outer side of the stirring rod. The spiral blade is located inside the feeding pipeline.

[0010] Further, a cooling mechanism is provided on the side of the heating mechanism away from the feeding mechanism. The cooling mechanism includes a sealing cavity, a ventilation pipeline, and a cooling fan. The sealing cavity is fixedly installed on the outer side of the barrel. The sealing cavity is located between the heating mechanism and the extrusion mechanism. The ventilation pipeline is fixedly installed at the bottom of the sealing cavity. The cooling fan is fixedly installed on one side of the ventilation pipeline. The ventilation pipeline communicates with the inside of the sealing cavity.

[0011] Further, the extrusion mechanism includes a head fixing seat, an extrusion die, and an extrusion head. The head fixing seat is fixedly installed at one end of the barrel. The extrusion die is fixedly installed inside the head fixing seat. The extrusion head is fixedly installed on one side of the head fixing seat.

[0012] Further, a workbench is fixedly installed on the bottom plate. The workbench is located between the first baffle and the second baffle. The upper shell is fixedly installed on the upper side of the workbench.

[0013] Further, the fixed outer shell and the electromagnetic shielding cover are divided into a fixed upper shell and a fixed bottom shell. The upper and lower shells are connected by bolts. Two groups of temperature sensors are provided, respectively between the heating mechanisms and between the heating mechanism and the cooling mechanism. The material of the heat preservation sleeve is heat preservation cotton.

[0014] Further, the electromagnetic induction coil is electrically connected to the electromagnetic heater, and the surface of the electromagnetic heater is provided with a control panel, a start switch, and a stop switch.

[0015] Compared with the prior art, the present utility model provides a plastic extruder for improving particle strength, having the following beneficial effects:

[0016] 1. For the plastic extruder for improving particle strength, the barrel can be evenly heated by the cooperation of the electromagnetic heater and the electromagnetic induction coil, and then the heated barrel is insulated by the heat preservation sleeve, avoiding heat waste. When the temperature of the barrel is too high or too low, the temperature sensor fixed on the barrel transmits a signal to the electromagnetic heater, and the control panel on the electromagnetic heater can monitor and control the temperature of the barrel in real time, so that the barrel is always at a stable temperature for melting the material, thereby solving the problem that the uneven processing of the material by the existing plastic extruder may cause the material to be scrapped.

[0017] 2. For the plastic extruder for improving particle strength, the initial material can be fully stirred by the cooperation of the servo motor and the stirring rod, and then the spiral blade at the bottom of the stirring rod can adjust the feeding rate according to the transmission rate of the screw rod and feed the material evenly, avoiding problems that may occur due to uneven material inside the barrel resulting in uneven heating. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the main structure of the present utility model;

[0019] Figure 2 It is a schematic diagram of the internal structure of the present utility model;

[0020] Figure 3 It is a schematic diagram of the transmission mechanism structure of the present utility model;

[0021] Figure 4 For the present utility model Figure 3 partial schematic diagram of the structure at A;

[0022] Figure 5 It is a schematic diagram of the feeding mechanism structure of the present utility model;

[0023] Figure 6 It is a schematic diagram of the heating mechanism structure of the present utility model;

[0024] Figure 7 It is a schematic diagram of the cooling and extrusion mechanism structure of the present utility model.

[0025] In the figure: 1. Bottom plate; 2. Workbench; 3. First baffle; 4. Second baffle; 5. Transmission mechanism; 51. Motor support base; 52. Motor fixing plate; 53. Driving motor; 54. Coupling; 55. Bearing; 56. Screw rod; 6. Feeding mechanism; 61. Feeding cylinder; 62. Feeding port; 63. Feeding pipeline; 64. Hopper; 65. Hopper top plate; 66. Servo motor; 67. Stirring rod; 68. Screw blade; 7. Heating mechanism; 71. Heat preservation sleeve; 72. Electromagnetic induction coil; 73. Fixed housing; 74. Temperature sensor; 75. Electromagnetic shielding cover; 76. Electromagnetic heater; 8. Cooling mechanism; 81. Sealing cavity; 82. Ventilation pipeline; 83. Cooling fan; 9. Extrusion mechanism; 91. Head fixing seat; 92. Extrusion die; 93. Extrusion head; 10. Barrel; 11. Upper housing. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention. Embodiment

[0027] Please refer to Figure 1 - Figure 7 , a plastic extruder for improving particle strength, including a bottom plate 1, a first baffle 3 and a second baffle 4. The first baffle 3 and the second baffle 4 are fixedly installed on the upper side of the bottom plate 1. A transmission mechanism 5 is fixedly installed on the surface of the bottom plate 1. A feeding mechanism 6 is fixedly installed on the side of the second baffle 4 away from the transmission mechanism 5. One end of the feeding mechanism 6 away from the transmission mechanism 5 is fixedly connected to a barrel 10. The other end of the barrel 10 is fixedly connected to an extrusion mechanism 9. Two groups of heating mechanisms 7 are fixedly installed outside the feeding mechanism 6;

[0028] The heating mechanism 7 includes a heat preservation sleeve 71, an electromagnetic induction coil 72 and a temperature sensor 74. The heat preservation sleeve 71 is sleeved on the outer surface of the barrel 10. The electromagnetic induction coil 72 is spirally and evenly distributed outside the heat preservation sleeve 71. The temperature sensor 74 is fixedly installed on the outside of the barrel 10. The barrel 10 is uniformly heated through the electromagnetic induction coil 72 to avoid problems such as air bubbles in the material due to uneven heating. The barrel 10 is made of alloy steel or a composite steel pipe with an alloy steel lining, and its characteristics are high temperature and pressure resistance strength, firmness, wear resistance and corrosion resistance.

[0029] Further, the heating mechanism 7 further includes a fixed housing 73, an electromagnetic shielding cover 75, and an electromagnetic heater 76. The fixed housing 73 is fixedly installed on the outer side of the barrel 10, and the fixed housing 73 is located on the outer side of the heat preservation sleeve 71. The electromagnetic shielding cover 75 is fixedly installed on the outer side of the fixed housing 73. The electromagnetic heater 76 is fixedly installed on the surface of the bottom plate 1 and is located inside the workbench 2.

[0030] Further, the transmission mechanism 5 includes a motor support base 51, a motor fixing plate 52, a drive motor 53, a coupling 54, a bearing 55, and a screw rod 56. The motor support base 51 is fixedly installed on the surface of the bottom plate 1. The motor fixing plate 52 is fixedly installed on the upper side of the motor support base 51. The drive motor 53 is fixedly installed on the upper side of the motor fixing plate 52. The output end of the drive motor 53 is fixedly connected to the screw rod 56 through the coupling 54. A bearing 55 is sleeved between the outer side of the screw rod 56 and the second baffle 4.

[0031] Further, the feeding mechanism 6 includes a feeding cylinder 61, a feeding port 62, a feeding pipe 63, a hopper 64, a hopper top plate 65, a servo motor 66, a stirring rod 67, and a spiral blade 68. The feeding cylinder 61 is fixedly installed between the second baffle 4 and the barrel 10. The feeding port 62 is provided on the surface of the feeding cylinder 61. The feeding pipe 63 is fixedly installed on the outer side of the feeding cylinder 61 and is located at the feeding port 62. The hopper 64 is fixedly installed at the top of the feeding pipe 63. The hopper top plate 65 is fixedly installed at the top of the hopper 64 and occupies 2 / 3 of the top area of the hopper 64. The servo motor 66 is fixedly installed on the surface of the hopper top plate 65 and is located at the center of the hopper 64. The output end of the servo motor 66 is fixedly connected to the stirring rod 67. The spiral blade 68 is fixedly installed on the outer side of the stirring rod 67. The spiral blade 68 is located inside the feeding pipe 63. An insulating ring is provided at the connection between the feeding cylinder 61 and the barrel 10 to prevent the heat in the barrel 10 from being transferred to the feeding cylinder 61, thereby preventing the material from sticking due to heat at the feeding pipe 63.

[0032] Further, a cooling mechanism 8 is provided on the side of the heating mechanism 7 away from the feeding mechanism 6. The cooling mechanism 8 includes a sealing cavity 81, a ventilation pipe 82, and a cooling fan 83. The sealing cavity 81 is fixedly installed on the outer side of the barrel 10. The sealing cavity 81 is located between the heating mechanism 7 and the extrusion mechanism 9. The ventilation pipe 82 is fixedly installed at the bottom of the sealing cavity 81. The cooling fan 83 is fixedly installed on one side of the ventilation pipe 82. The ventilation pipe 82 communicates with the inside of the sealing cavity 81.

[0033] Further, the extrusion mechanism 9 includes a head fixing seat 91, an extrusion die 92, and an extrusion head 93. One end of the barrel 10 is fixedly installed with the head fixing seat 91. The extrusion die 92 is fixedly installed inside the head fixing seat 91. The extrusion head 93 is fixedly installed on one side of the head fixing seat 91. The extrusion die 92 can split the material to increase the extrusion intensity and can also be used to filter impurities generated during the melting of the material.

[0034] Further, a workbench 2 is fixedly installed on the bottom plate 1. The workbench 2 is located between the first baffle 3 and the second baffle 4. An upper shell 11 is fixedly installed on the upper side of the workbench 2.

[0035] Further, the fixed outer shell 73 and the electromagnetic shielding cover 75 are divided into a fixed upper shell and a fixed bottom shell. The upper and lower shells are connected by bolts. Two groups of temperature sensors 74 are provided, respectively between the heating mechanisms 7 and between the heating mechanism 7 and the cooling mechanism 8. The insulating sleeve 71 is made of insulating cotton.

[0036] Further, the electromagnetic induction coil 72 is electrically connected to the electromagnetic heater 76. The surface of the electromagnetic heater 76 is provided with a control panel, a start switch, and a stop switch. The control panel is used to monitor and adjust the heating temperature of the electromagnetic heater 76. The start switch and the stop switch are used to start and stop the electromagnetic heater 76.

[0037] The specific usage mode and function of this embodiment:

[0038] During use, after the staff assembles the machine, pre-commission the machine. First, start the drive motor 53 to drive the screw rod 56 to rotate. Then press the start switch on the electromagnetic heater 76. According to the characteristics of the material to be processed, set the heating temperature through the control panel, and heat the barrel 10 through the electromagnetic induction coil 72. After the pre-commissioning is completed, start the servo motor 66 to drive the stirring rod 67 to rotate. Then add the material into the hopper 64. The material is fully stirred by the stirring rod 67, and then evenly conveyed into the material cylinder 61 through the spiral blade 68. The material is driven by the screw rod 56 to move in the barrel 10. Then the material is melted by the heating mechanism 7. Through the coordinated use of the temperature sensor 74 and the electromagnetic heater 76, the electromagnetic induction coil 72 evenly heats the material in the barrel 10 to the set temperature. Through the cooperation of the screw rod 56 and the barrel 10, the material is fully stirred and extruded. Then the material can be split by the extrusion die 92 for further extrusion and impurities can be filtered. Finally, extrusion molding is performed through the extrusion head 93.

[0039] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A plastic extruder for improving particle strength, comprising a bottom plate (1), a first baffle (3) and a second baffle (4), wherein the first baffle (3) and the second baffle (4) are fixedly installed on the upper side of the bottom plate (1), and a transmission mechanism (5) is fixedly installed on the surface of the bottom plate (1), characterized in that: On one side of the second baffle (4) away from the transmission mechanism (5), a feeding mechanism (6) is fixedly installed. On one side of the feeding mechanism (6) away from the transmission mechanism (5), a barrel (10) is fixedly connected. On the other end of the barrel (10), an extrusion mechanism (9) is fixedly connected. Two heating mechanisms (7) are fixedly installed on the outer side of the feeding mechanism (6). The heating mechanism (7) includes a heat preservation sleeve (71), an electromagnetic induction coil (72), and a temperature sensor (74). The outer surface of the barrel (10) is sleeved with the heat preservation sleeve (71). The electromagnetic induction coil (72) is spirally and evenly distributed and sleeved on the outer side of the heat preservation sleeve (71). The temperature sensor (74) is fixedly installed on the outer side of the barrel (10).

2. The plastic extruder for improving the particle strength according to claim 1, wherein: The heating mechanism (7) further includes a fixed housing (73), an electromagnetic shielding cover (75), and an electromagnetic heater (76). The fixed housing (73) is fixedly installed on the outer side of the barrel (10). The fixed housing (73) is located on the outer side of the heat preservation sleeve (71). The electromagnetic shielding cover (75) is fixedly installed on the outer side of the fixed housing (73). The electromagnetic heater (76) is fixedly installed on the surface of the bottom plate (1) and is located inside the workbench (2).

3. The plastic extruder for improving particle strength according to claim 1, wherein: The transmission mechanism (5) includes a motor support base (51), a motor fixing plate (52), a driving motor (53), a coupling (54), a bearing (55), and a screw rod (56). The motor support base (51) is fixedly installed on the surface of the bottom plate (1). The motor fixing plate (52) is fixedly installed on the upper side of the motor support base (51). The driving motor (53) is fixedly installed on the upper side of the motor fixing plate (52). The output end of the driving motor (53) is fixedly connected to the screw rod (56) through the coupling (54). A bearing (55) is sleeved between the outer side of the screw rod (56) and the second baffle (4).

4. A plastic extruder for improving particle strength according to claim 1, characterized in that: The feeding mechanism (6) includes a feeding cylinder (61), a feeding port (62), a feeding pipe (63), a hopper (64), a hopper top plate (65), a servo motor (66), a stirring rod (67), and a spiral blade (68). The feeding cylinder (61) is fixedly installed between the second baffle (4) and the barrel (10). The feeding port (62) is provided on the surface of the feeding cylinder (61). The feeding pipe (63) is fixedly installed on the outer side of the feeding cylinder (61) and is located at the feeding port (62). The hopper (64) is fixedly installed at the top of the feeding pipe (63). The hopper top plate (65) is fixedly installed at the top of the hopper (64) and occupies 2 / 3 of the top area of the hopper (64). The servo motor (66) is fixedly installed on the surface of the hopper top plate (65) and is located at the center of the hopper (64). The output end of the servo motor (66) is fixedly connected to the stirring rod (67). The spiral blade (68) is fixedly installed on the outer side of the stirring rod (67). The spiral blade (68) is located inside the feeding pipe (63).

5. A plastic extruder for improving particle strength according to claim 1, characterized in that: On one side of the heating mechanism (7) away from the feeding mechanism (6), there is a cooling mechanism (8). The cooling mechanism (8) includes a sealed cavity (81), a ventilation duct (82), and a cooling fan (83). The sealed cavity (81) is fixedly installed on the outer side of the barrel (10). The sealed cavity (81) is located between the heating mechanism (7) and the extrusion mechanism (9). The ventilation duct (82) is fixedly installed at the bottom of the sealed cavity (81). The cooling fan (83) is fixedly installed on one side of the ventilation duct (82). The ventilation duct (82) communicates with the inside of the sealed cavity (81).

6. The plastic extruder for improving particle strength according to claim 1, characterized in that: The extrusion mechanism (9) includes a head fixing seat (91), an extrusion die (92), and an extrusion head (93). One end of the barrel (10) is fixedly installed with the head fixing seat (91). The extrusion die (92) is fixedly installed inside the head fixing seat (91). The extrusion head (93) is fixedly installed on one side of the head fixing seat (91).

7. The plastic extruder for improving particle strength according to claim 2, characterized in that: A workbench (2) is fixedly installed on the bottom plate (1). The workbench (2) is located between the first baffle (3) and the second baffle (4). An upper shell (11) is fixedly installed on the upper side of the workbench (2).

8. The plastic extruder for improving particle strength according to claim 2, characterized in that: The fixed outer shell (73) and the electromagnetic shielding cover (75) are divided into a fixed upper shell and a fixed bottom shell. The upper and lower shells are connected by bolts. Two sets of temperature sensors (74) are provided, respectively between the heating mechanisms (7) and between the heating mechanism (7) and the cooling mechanism (8). The material of the heat preservation sleeve (71) is heat preservation cotton.

9. The plastic extruder for improving particle strength according to claim 2, wherein: The electromagnetic induction coil (72) is electrically connected to the electromagnetic heater (76). The surface of the electromagnetic heater (76) is provided with a control panel, a start switch, and a stop switch.

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