Double-screw extruder with recovery function for plastic powder composite production and method

Abstract

The invention relates to the field of double screws, and discloses a double-screw extruder with a recovery function for plastic powder composite production and a method, and the double-screw extruder comprises an extruder main body, a feeding device, a detachable driving motor, a dismounting plate, an unlocking pull button, a recovery limiting plate, an unlocking knob and an energy-saving driving screw. Through the arrangement of the detachable driving motor, disassembly and installation in a simple mode can be facilitated, split transportation of products and convenient maintenance of the motor can be achieved, through the arrangement of a recycling limiting plate, after the recycling limiting plate is taken down, internal residual powder can be conveniently cleaned out, and the residue recycling and cleaning function is achieved; by means of the energy-saving driving screw, after the energy-saving driving screw is driven to rotate, the driven screw is driven to rotate through the linkage chain, the two sets of screws can rotate together only through one driving machine, and more energy can be saved.

Description

Technical Field

[0001] The invention relates to the field of twin-screws, in particular to a twin-screw extruder with a recycling function for composite production of plastic powder and a method thereof. Background Art

[0002] The twin-screw extruder is developed on the basis of the single-screw extruder. Due to its good feeding performance, mixing and plasticizing performance, exhaust performance, extrusion stability and other characteristics, it has been widely used in the molding processing of extruded products. It has a wide range of applications and can be applied to the processing of a variety of materials. The development trend of the twin-screw extruder is towards high torque, high speed and low energy consumption. The effect of high speed is high productivity.

[0003] However, it still has some disadvantages. For example, the twin screws inside a general twin-screw extruder are driven by corresponding motors when in operation, which is not energy-saving enough, and the connection and disassembly between the motor device and the extruder is not convenient enough. When the twin-screw extruder is running, there may be some residues inside, which need to be recycled more conveniently.

[0004] In order to solve the above problems, the present application proposes a twin-screw extruder with recycling function for plastic powder composite production and a method. Summary of the invention

[0005] The purpose of the present invention is to provide a twin-screw extruder and method with recycling function for plastic powder composite production, so as to solve the problems proposed in the above background technology that the twin-screw extruder is not energy-saving enough, the connection and disassembly between the motor device and the extruder is not convenient, and the internal part needs to be more conveniently recycled.

[0006] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a twin-screw extruder with recycling function for plastic powder composite production and method, including an extruder body, a feeding device, a detachable driving motor, a disassembly plate, an unlocking knob, a recycling limit plate, an unlocking knob and an energy-saving driving screw. The upper part of the extruder body is fixedly connected to the feeding device, a disassembly plate is installed on one side of the detachable driving motor, and the lower part of the extruder body is fixedly connected to the recycling base. The fixed connection to the recycling base is provided with a detachable recycling limit plate, and the extruder body is provided with an energy-saving driving screw. The detachable driving motor is easy to disassemble and install in a simple way, and can realize the product split transportation and convenient maintenance of the motor. The recycling limit plate is convenient for cleaning out the residual powder inside after removing the recycling limit plate, so as to realize the function of residue recycling and cleaning. The energy-saving driving screw is convenient for driving the energy-saving driving screw to rotate, and then using a linkage chain to drive the driven screw to rotate, so that only one driving machine is needed to make the two sets of screws rotate together, which can be more energy-saving.

[0007] Preferably, one side of the feeding device is fixedly connected to the feeding motor, the lower side of the detachable driving motor is fixedly connected to the motor base, one side of the detachable driving motor is fixedly connected to the motor heat dissipation device, one side of the detachable driving motor is provided with a rotatable connecting rod, one side of the extruder body is provided with a driven rod, and the rotatable connecting rod is movable inside the driven rod.

[0008] Preferably, the rotating connecting rod moves inside the disassembly plate, one side of the disassembly plate is fixedly connected to the fixed plate, and the fixed plate is provided with two groups, a first limiting groove is opened inside the upper part of the fixed plate, the fixed plate can be disassembled inside the installation groove, and the installation groove is provided with two groups, the installation groove is installed on one side of the extruder body, an unlocking pull button is installed above the extruder body, and the unlocking pull button is provided with two groups.

[0009] Preferably, one side of the extruder body is fixedly connected to the discharge port, a bevel groove is opened inside the recovery base, lifting plates are installed on both sides of the bevel groove, and the lifting plates are provided with two groups, the recovery limit plate is movable above the lifting plate, the front side of the recovery limit plate is fixedly connected to the auxiliary handle, and a second limit groove is opened on one side of the recovery limit plate.

[0010] Preferably, one side of the energy-saving driving screw is fixedly connected to the rotating bearing, a linkage chain moves on the surface of the energy-saving driving screw, the other side of the linkage chain moves on the driven screw, and one side of the driven screw is fixedly connected to the driven bearing.

[0011] Preferably, the unlocking button is fixedly connected to the latch rod at the bottom, the latch rod is fixedly connected to the limit plate at the surface, and a spring device is movable above the limit plate.

[0012] Preferably, the limit plate is movable inside the extruder body, the lower part of the latch rod can be disassembled inside the first limit groove, an energy-saving driving screw is movable above the recovery limit plate, and an unlocking knob is installed on the front of the recovery base.

[0013] Preferably, one side of the unlocking knob is fixedly connected to the gear plate, and one side of the gear plate is movably provided with a toothed plate, and one side of the toothed plate can be detachably mounted in the second limiting groove. When the detachable driving motor is installed, the two sets of fixing plates of the disassembly plate are aligned with the installation groove and inserted. When the fixing plate is against the latch rod, the inclined surface of the latch rod can be used to squeeze the latch rod into the interior until the latch rod is aligned with the first limiting groove, and the latch rod is automatically rebounded into the first limiting groove by the spring device and fixed. At this time, after the installation is completed, the rotating connecting rod is inserted into the driven rod, and after rotation, the entire energy-saving driving screw is driven to rotate, and the driven screw on the other side is driven to rotate by the linkage chain, thereby achieving energy saving. There is no need for two sets of motors to drive. When recovery is needed, the unlocking knob is rotated, and the toothed plate is slid out of the second limiting groove by the running-in of the gear plate and the toothed plate. At this time, the recovery limiting plate can be pulled out by the auxiliary handle. At this time, the operating space of the energy-saving driving screw is interconnected with the inclined groove, and the residual objects are discharged through the inclined groove and collected again.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] The detachable drive motor provided in the present invention is easy to disassemble and install in a simple manner, and can realize separate transportation of the product and convenient maintenance of the motor.

[0016] The present invention provides a recovery limit plate, which facilitates cleaning of the powder remaining inside after the recovery limit plate is removed, thereby realizing the function of residue recovery and cleaning.

[0017] The present invention provides an energy-saving driving screw, which is convenient for driving the energy-saving driving screw to rotate, and then using a linkage chain to drive the driven screw to rotate, so that only one driving machine is needed to make two sets of screws rotate together, which can save more energy. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a twin-screw extruder with recycling function for composite production of plastic powder and a method of the present invention;

[0019] Figure 2 This is a schematic diagram of the installation structure of a detachable drive motor of an air sterilizing device of a twin-screw extruder with recycling function for composite production of plastic powder and a method of the present invention;

[0020] Figure 3 It is a schematic diagram of the structure of a recycling limit plate of a twin-screw extruder with recycling function for composite production of plastic powder and a method of the present invention;

[0021] Figure 4 It is a schematic diagram of an energy-saving driving screw structure of a twin-screw extruder with recycling function for composite production of plastic powder and a method of the present invention;

[0022] Figure 5 This is a schematic diagram of the internal structure of the extruder body of a twin-screw extruder with recycling function for composite production of plastic powder and a method of the present invention;

[0023] Figure 6 The present invention is a schematic diagram of the unlocking pull button and unlocking knob structure of a twin-screw extruder with recycling function for plastic powder composite production and method.

[0024] In the figure: 1. Extruder body; 11. Discharge port; 12. Mounting slot; 13. Recovery base; 14. Inclined slot; 15. Lifting plate; 2. Feeding device; 21. Feeding motor; 3. Removable drive motor; 31. Motor heat dissipation device; 32. Motor base; 33. Rotating connecting rod; 4. Disassembly plate; 41. Fixed plate; 42. First limiting slot; 5. Unlocking knob; 51. Latch rod; 52. Spring device; 53. Limiting plate; 6. Recovery limiting plate; 61. Auxiliary handle; 62. Second limiting slot; 7. Unlocking knob; 71. Gear plate; 72. Tooth plate; 8. Energy-saving driving screw; 81. Rotating bearing; 82. Driven rod; 83. Linkage chain; 84. Driven screw; 85. Driven bearing. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0026] See also Figure 1-Figure 6 , a twin-screw extruder with recycling function for plastic powder composite production and method, including an extruder body 1, a feeding device 2, a detachable driving motor 3, a disassembly plate 4, an unlocking knob 5, a recycling limit plate 6, an unlocking knob 7 and an energy-saving driving screw 8. The top of the extruder body 1 is fixedly connected to the feeding device 2, and a disassembly plate 4 is installed on one side of the detachable driving motor 3. The bottom of the extruder body 1 is fixedly connected to a recycling base 13, and a recycling limit plate 6 is fixedly connected to the inside of the recycling base 13 and can be detached. The energy-saving driving screw 8 is movable inside the extruder body 1. The detachable driving motor 3 is easy to disassemble and install in a simple way, and can realize the split transportation of products and convenient maintenance of the motor. The recycling limit plate 6 is convenient for cleaning out the residual powder inside after removing the recycling limit plate 6, so as to realize the function of residue recycling and cleaning. The energy-saving driving screw 8 is convenient for driving the energy-saving driving screw 8 to rotate, and then using the linkage chain 83 to drive the driven screw 84 to rotate, so that only one driving mechanism is needed to make the two sets of screws rotate together, which can be more energy-saving.

[0027] In this embodiment, Figure 1-3As shown, one side of the feeding device 2 is fixedly connected to the feeding motor 21, the lower part of the detachable driving motor 3 is fixedly connected to the motor base 32, one side of the detachable driving motor 3 is fixedly connected to the motor heat dissipation device 31, one side of the detachable driving motor 3 is movable with a rotating connecting rod 33, one side of the extruder body 1 is movable with a driven rod 82, the rotating connecting rod 33 is movable inside the driven rod 82, the rotating connecting rod 33 is movable inside the disassembly plate 4, one side of the disassembly plate 4 is fixedly connected to the fixed plate 41, and the fixed plate 41 is provided with two groups, and a first limiting groove 42 is opened inside the upper part of the fixed plate 41. The fixing plate 41 is detachable inside the mounting groove 12, and the mounting groove 12 is provided with two groups. The mounting groove 12 is installed on one side of the extruder body 1, and an unlocking button 5 is installed above the extruder body 1, and the unlocking button 5 is provided with two groups. One side of the extruder body 1 is fixedly connected to the discharge port 11, and a bevel groove 14 is opened inside the recovery base 13, and lifting plates 15 are installed on both sides of the bevel groove 14, and the lifting plates 15 are provided with two groups. The recovery limit plate 6 is movable above the lifting plate 15, and the front side of the recovery limit plate 6 is fixedly connected to the auxiliary handle 61, and a second limit groove 62 is opened on one side of the recovery limit plate 6.

[0028] In this embodiment, Figure 4-6As shown, one side of the energy-saving driving screw 8 is fixedly connected to the rotating bearing 81, and a linkage chain 83 is movable on the surface of the energy-saving driving screw 8. The other side of the linkage chain 83 is movable on the driven screw 84. One side of the driven screw 84 is fixedly connected to the driven bearing 85. The unlocking button 5 is fixedly connected to the latch rod 51 below, and the surface of the latch rod 51 is fixedly connected to the limit plate 53. A spring device 52 is movable above the limit plate 53. The limit plate 53 is movable inside the extruder body 1. The latch rod 51 is detachable inside the first limit groove 42 below, and the energy-saving driving screw 8 is movable above the recovery limit plate 6. An unlocking knob 7 is installed on the front of the recovery base 13. One side of the unlocking knob 7 is fixedly connected to the gear plate 71, and a tooth plate 72 is movable on one side of the gear plate 71. One side of the tooth plate 72 is detachable inside the second limit groove 62. When installing the detachable driving motor 3, by connecting the two sets of fixed plates 41 of the disassembly plate 4 with the installation plate When the slots 12 are aligned and inserted, and the fixing plate 41 is against the latch rod 51, the latch rod 51 can be squeezed into the interior by using the inclined surface of the latch rod 51 until the latch rod 51 is aligned with the first limiting slot 42, and the latch rod 51 is automatically rebounded into the first limiting slot 42 by the spring device 52 and fixed. At this time, after the installation is completed, the rotating connecting rod 33 is inserted into the driven rod 82, and after rotation, the entire energy-saving driving screw 8 is driven to rotate, and the linkage chain 83 is used to drive the driven screw 84 on the other side to rotate, thereby achieving energy saving. No two sets of motors are required to drive. When recovery is required, the unlocking knob 7 is rotated, and the gear plate 71 and the tooth plate 72 are used to slide the tooth plate 72 out of the second limiting slot 62. At this time, the recovery limiting plate 6 can be pulled out by the auxiliary handle 61. At this time, the operating space of the energy-saving driving screw 8 is interconnected with the inclined slot 14, and the remaining objects are discharged through the inclined slot 14 and collected again.

[0029] How it works

[0030] A twin-screw extruder with recycling function for composite production of plastic powder and a method thereof has a detachable driving motor 3, which is easy to disassemble and install in a simple manner, and can realize the split transportation of products and convenient maintenance of the motor. The recycling limit plate 6 is convenient for cleaning out the residual powder inside after removing the recycling limit plate 6, so as to realize the function of residue recycling and cleaning. The energy-saving driving screw 8 is convenient for driving the energy-saving driving screw 8 to rotate, and then using the linkage chain 83 to drive the driven screw 84 to rotate, so that only one driving machine is needed to make the two sets of screws rotate together, which can be more energy-efficient. When installing the detachable driving motor 3, by aligning and inserting the two sets of fixing plates 41 of the disassembly plate 4 with the installation groove 12, when the fixing plate 41 is against the latch rod 51, the inclined surface of the latch rod 51 can be used , squeeze the latch rod 51 into the interior until the latch rod 51 is aligned with the first limit groove 42, and the latch rod 51 is automatically bounced into the first limit groove 42 by the spring device 52 and fixed. At this time, the installation is completed, and the rotating connecting rod 33 is inserted into the driven rod 82. After rotation, it drives the entire energy-saving driving screw 8 to rotate, and the linkage chain 83 is used to drive the driven screw 84 on the other side to rotate, thereby achieving energy saving. No two sets of motors are required to drive. When recovery is required, the unlocking knob 7 is rotated, and the gear plate 71 and the tooth plate 72 are used to slide the tooth plate 72 out of the second limit groove 62. At this time, the recovery limit plate 6 can be pulled out by the auxiliary handle 61. At this time, the operating space of the energy-saving driving screw 8 is interconnected with the inclined groove 14, and the remaining objects are discharged through the inclined groove 14 and collected again.

[0031] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present invention.

Claims

1. A twin-screw extruder with recycling function for composite production of plastic powder and a method thereof, comprising an extruder body (1), a feeding device (2), a detachable drive motor (3), a disassembly plate (4), an unlocking knob (5), a recycling limit plate (6), an unlocking knob (7) and an energy-saving drive screw (8), characterized in that: The extruder body (1) is fixedly connected to the feeding device (2) at the top, a disassembly plate (4) is installed on one side of the detachable drive motor (3), the extruder body (1) is fixedly connected to the recovery base (13) at the bottom, a recovery limit plate (6) is detachably provided inside the recovery base (13), and an energy-saving drive screw (8) is movable inside the extruder body (1).

2. A twin-screw extruder with recycling function for composite production of plastic powder and method according to claim 1, characterized in that: One side of the feeding device (2) is fixedly connected to the feeding motor (21), the lower side of the detachable driving motor (3) is fixedly connected to the motor base (32), one side of the detachable driving motor (3) is fixedly connected to the motor heat dissipation device (31), one side of the detachable driving motor (3) is provided with a movable rotating connecting rod (33), one side of the extruder body (1) is provided with a movable driven rod (82), and the rotating connecting rod (33) is movable inside the driven rod (82).

3. A twin-screw extruder with recycling function for composite production of plastic powder and method according to claim 2, characterized in that: The rotating connecting rod (33) moves inside the disassembly plate (4), one side of the disassembly plate (4) is fixedly connected to the fixed plate (41), and the fixed plate (41) is provided with two groups. A first limiting groove (42) is provided inside the upper part of the fixed plate (41), and the fixed plate (41) can be disassembled inside the installation groove (12), and the installation groove (12) is provided with two groups. The installation groove (12) is installed on one side of the extruder body (1), and an unlocking button (5) is installed above the extruder body (1), and the unlocking button (5) is provided with two groups.

4. A twin-screw extruder with recycling function for composite production of plastic powder and method according to claim 3, characterized in that: One side of the extruder body (1) is fixedly connected to the discharge port (11), and a bevel groove (14) is provided inside the recovery base (13). Lifting plates (15) are installed on both sides of the bevel groove (14), and the lifting plates (15) are provided with two groups. The recovery limit plate (6) is movable above the lifting plate (15), and the front side of the recovery limit plate (6) is fixedly connected to the auxiliary handle (61), and a second limit groove (62) is provided on one side of the recovery limit plate (6).

5. A twin-screw extruder with recycling function for composite production of plastic powder and method according to claim 4, characterized in that: One side of the energy-saving driving screw (8) is fixedly connected to a rotating bearing (81), a linkage chain (83) is movable on the surface of the energy-saving driving screw (8), the other side of the linkage chain (83) is movable on a driven screw (84), and one side of the driven screw (84) is fixedly connected to a driven bearing (85).

6. A twin-screw extruder with recycling function for composite production of plastic powder and method according to claim 5, characterized in that: The lower part of the unlocking button (5) is fixedly connected to the latch rod (51), the upper part of the latch rod (51) is fixedly connected to the limit plate (53), and the upper part of the limit plate (53) is provided with a spring device (52).

7. A twin-screw extruder with recycling function for composite production of plastic powder and method according to claim 6, characterized in that: The limit plate (53) is movable inside the extruder body (1), the lower part of the latch rod (51) can be disassembled inside the first limit groove (42), an energy-saving driving screw (8) is movable above the recovery limit plate (6), and an unlocking knob (7) is installed on the front of the recovery base (13).

8. A twin-screw extruder with recycling function for composite production of plastic powder and method according to claim 7, characterized in that: One side of the unlocking knob (7) is fixedly connected to the gear plate (71), one side of the gear plate (71) is movably provided with a tooth plate (72), and one side of the tooth plate (72) is detachable inside the second limiting groove (62).

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