Extruder screw

Abstract

The utility model relates to the technical field of screws, in particular to an extruder screw which comprises a shell, and two supporting legs are arranged at the bottom of the shell and are in bilateral symmetry. Non-slip mats are arranged at the bottoms of the two supporting legs; a feeding hole is formed in the top of the shell; a motor I is mounted on the right side of the shell; a threaded rod is mounted on the left side of the motor I; a cleaning mechanism is mounted in the shell; sliding grooves are formed in the inner walls of the front side and the rear side of the shell. A leakage hole is formed in the left side wall of the shell; when the cleaning mechanism is used, the first motor is started to drive the threaded rod to rotate, then the second motor is started, the lead screw is driven to move left and right, the cleaning plate is driven to move left and right, and when the cleaning plate moves, the bristles clean the threaded rod and clean impurities on the threaded rod, so that the influence on subsequent use is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to screw technology field, concretely relates to a kind of extruders screw. BACKGROUND

[0002] ‌Extruder screw plays a vital role in plastic extruder, its main functions include conveying material, heat plasticizing material and mixing and homogenizing material;Extruder screw is widely used in plastic processing industry, especially in the use of plastic extruder. Different types of extruder screw are suitable for different production needs, for example, equal diameter screw is suitable for lower production requirements, while variable diameter screw and mixing screw are suitable for higher product production. Double screw is suitable for production scenarios that require higher production efficiency and plastic quality‌.

[0003] Chinese patent discloses a kind of extruder screw (grant announcement number CN 222022172 U), the patent technology can be distributed more evenly by setting protruding block in extrusion section, and protruding block forms spiral on the surface of extrusion rod body, material distribution is more uniform, with the advantages of convenient material metering, injection molding metering is accurate, injection molding effect is good;However, the device does not have cleaning mechanism, which is not convenient for cleaning the threaded rod, affecting the use behind.

[0004] Therefore, the skilled person in the art provides an extruder screw to solve the problems raised in the above background. SUMMARY

[0005] To solve the above technical problems, the utility model provides a kind of extruder screw, including shell, the bottom of the shell is equipped with support leg, the support leg has two left and right symmetries;Two the bottom of support leg is equipped with non-slip pad;The top of the shell is installed with feed inlet;The right side of the shell is installed with motor one;The left side of the motor one is installed with threaded rod;Cleaning mechanism is installed in the shell;The inner wall of the front and rear sides of the shell is equipped with sliding slot;The left side wall of the shell is equipped with leakage hole.

[0006] Preferably, the cleaning mechanism includes a cleaning plate installed inside the shell, brush hairs are installed on the cleaning plate, sliding blocks are installed on the front and rear sides of the cleaning plate, the sliding blocks are inlaid in the sliding slots, a lead screw is installed on the rear sliding block, a motor two is installed on the right side of the lead screw, the motor two is installed on the right side wall of the shell, a limiting rod is installed on the front sliding block, when the cleaning mechanism is used, the threaded rod is rotated by starting the motor one, then the lead screw is moved left and right by starting the motor two, the cleaning plate is moved left and right, the brush hairs clean the threaded rod when the cleaning plate moves, the impurities of the threaded rod are cleaned, to avoid affecting the use behind.

[0007] Preferably, a water tank is mounted at the bottom of the shell and fixed between the two supporting legs; a water pump is mounted at the left side of the water tank; a water delivery pipe is mounted at the left side of the water pump; a spray pipe is mounted at the other end of the water delivery pipe, and two spray pipes are provided; another spray pipe is mounted at the inner wall of the top of the shell; a connecting pipe is mounted between the two spray pipes; spray heads are arranged on the two spray pipes; when the threaded rod is cooled, the water pump is started to send clean water in the water tank to the spray pipe through the water delivery pipe, and the spray heads on the spray pipe spray the threaded rod in the shell, so that the sprayed clean water can be used to cool the threaded rod and further clean the threaded rod, thereby greatly improving the practicability of the device.

[0008] Preferably, a discharge port is mounted at the lower side of the shell and located at the right side of the right supporting leg; and a sealing plate is mounted at the bottom of the shell and provided with grooves at the left and right sides thereof, and the sealing plate is used to seal the discharge port.

[0009] Preferably, fixed plates are mounted at the left and right sides of the bottom of the discharge port, springs are mounted in the two fixed plates, two springs are arranged in one fixed plate, clamping plates are mounted at the other sides of the springs, the clamping plates are in inverted 7 shape, one end of the clamping plate is clamped in the groove of the sealing plate, and when the sealing plate needs to be disassembled, the two clamping plates are simultaneously extruded to the left and right sides to move the clamping plates out of the grooves, so that the sealing plate can be disassembled from the bottom of the discharge port, the impurities on the inner wall of the shell are moved to the discharge port for cleaning, and the clamping plates are clamped in the grooves to fix the sealing plate in the later stage.

[0010] The technical effects and advantages of the utility model are as follows:

[0011] 1. The utility model provides a kind of extruder screw, when the threaded rod is cooled, water pump is started, water pump is sent clean water in water tank to spray pipe through water delivery pipe, and the spray head on spray pipe sprays threaded rod in shell, so that the sprayed clean water can be used to cool threaded rod, can further clean threaded rod, greatly improve the practicability of device.

[0012] 2. The utility model, when the sealing plate needs to be disassembled, the two clamping plates are simultaneously extruded to the left and right sides to move the clamping plates out of the grooves, so that the sealing plate can be disassembled from the bottom of the discharge port, the impurities on the inner wall of the shell are moved to the discharge port for cleaning, and the clamping plates are clamped in the grooves to fix the sealing plate in the later stage.

[0013] 3. The utility model, when the cleaning mechanism is used, threaded rod is rotated by starting motor one, then motor two is started, and left and right movement is carried out on screw rod, and cleaning plate is moved left and right, when cleaning plate moves, bristle cleans threaded rod, and the impurities of threaded rod are cleaned, to avoid affecting the use behind. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of an extruder screw provided in an embodiment of this application;

[0015] Figure 2 This is an exploded view of an extruder screw provided in an embodiment of this application;

[0016] Figure 3 This is a cross-sectional view of an extruder screw provided in an embodiment of this application;

[0017] Figure 4 This application provides an embodiment of an extruder screw. Figure 3 An enlarged structural diagram at point A;

[0018] Figure 5 This is a schematic diagram of an extruder screw with its outer shell removed, provided in an embodiment of this application.

[0019] In the diagram: 1. Outer shell; 2. Support foot; 3. Anti-slip pad; 4. Feed inlet; 5. Motor 1; 51. Threaded rod; 6. Discharge port; 61. Fixing plate; 62. Spring; 63. Clamping plate; 64. Sealing plate; 7. Motor 2; 71. Lead screw; 72. Cleaning plate; 73. Slider; 74. Brush bristles; 8. Water tank; 81. Water pump; 82. Water supply pipe; 83. Spray pipe; 84. Connecting pipe; 11. Leakage hole. Detailed Implementation

[0020] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical applications of the present invention, and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for a particular purpose. Example

[0021] Please see Figures 1-5In this embodiment, an extruder screw is provided, which comprises a shell 1, the bottom of the shell 1 is provided with support feet 2, the support feet 2 are symmetrical to left and right; the bottom of the two support feet 2 is equipped with anti-skid pads 3, the number of the anti-skid pads 3 is consistent with that of the support feet 2; the anti-skid pads 3 can increase the friction between the support feet 2 and the ground, and are not easy to fall down, thereby increasing safety and stability; the top of the shell 1 is provided with a feeding port 4, which facilitates the entry of materials; the right side of the shell 1 is provided with a motor 1 5; the left side of the motor 1 5 is provided with a threaded rod 51; starting the motor 1 5 can drive the threaded rod 51 to rotate, thereby conveying the materials; a cleaning mechanism is installed inside the shell 1, which is used to clean the inside of the shell 1 and the threaded rod 51, and ensures the later use of the threaded rod 51; the inner walls of the front and rear sides of the shell 1 are provided with sliding grooves; the sliding grooves facilitate the movement of the cleaning mechanism; the left side wall of the shell 1 is provided with a leakage hole 11, which facilitates the extrusion of the materials from the shell 1 by the threaded rod 51; the lower side of the shell 1 is provided with a discharge port 6, which is located to the right of the right support foot 2; the bottom of the shell 1 is provided with a sealing plate 64, grooves are formed in the left and right sides of the sealing plate 64, and the sealing plate 64 is used to seal the discharge port 6;

[0022] The cleaning mechanism comprises a cleaning plate 72, which is installed inside the shell 1; brush hairs 74 are installed on the cleaning plate 72; sliding blocks 73 are installed on the front and rear sides of the cleaning plate 72; the sliding blocks 73 are embedded in the sliding grooves; a lead screw 71 is installed on the rear sliding block 73; a motor 2 7 is installed on the right side of the lead screw 71, and the motor 2 7 is installed on the right side wall of the shell 1; a limiting rod is installed on the front sliding block 73; when the cleaning mechanism is used, the motor 1 5 is started to drive the threaded rod 51 to rotate, and then the motor 2 7 is started to drive the lead screw 71 to move left and right, thereby driving the cleaning plate 72 to move left and right; when the cleaning plate 72 moves, the brush hairs 74 clean the threaded rod 51, thereby cleaning the impurities of the threaded rod 51 and avoiding affecting the later use;

[0023] A water tank 8 is installed at the bottom of the shell 1, the water tank 8 is fixedly installed between the two support feet 2; a water pump 81 is installed on the left side of the water tank 8; a water delivery pipe 82 is installed on the left side of the water pump 81; a spray pipe 83 is installed at the other end of the water delivery pipe 82, and the spray pipe 83 is provided with two; another spray pipe 83 is installed on the top inner wall of the shell 1; a connecting pipe 84 is installed between the two spray pipes 83; spray heads are arranged on the two spray pipes 83; when the threaded rod 51 is cooled, the water pump 81 is started to send the cleaning water in the water tank 8 to the spray pipes 83 through the water delivery pipe 82, and the spray heads on the spray pipes 83 spray the cleaning water onto the threaded rod 51 in the shell 1; the sprayed cleaning water can be used to cool the threaded rod 51, and can also be used to further clean the threaded rod 51, thereby greatly improving the practicability of the device;

[0024] The left and right sides of the bottom end of the discharge port 6 are provided with fixed plates 61, the interiors of the two fixed plates 61 are provided with springs 62, two springs 62 are arranged in one fixed plate 61; the other side of the spring 62 is provided with a clamping plate 63, the clamping plate 63 is in inverted 7 shape; one end of the clamping plate 63 is clamped in the groove of the sealing plate 64; when the sealing plate 64 needs to be disassembled, the two clamping plates 63 are pressed to the two sides at the same time, the clamping plate 63 is moved out of the groove, and then the sealing plate 64 can be disassembled from the bottom of the discharge port 6, which facilitates the cleaning plate 72 to move the impurities on the inner wall of the shell 1 to the discharge port 6 and then move out of the discharge port 6; in the later stage, the clamping plate 63 is clamped in the groove to fix the sealing plate 64.

[0025] Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor should belong to the protection scope of the present application. The structures, devices and operation methods not specifically described and explained in the present application, such as without special description and limitation, are implemented according to the conventional means in the art.

Claims

1. An extruder screw, comprising a housing (1), wherein the bottom of the housing (1) is provided with support feet (2), the support feet (2) being two in number symmetrically arranged; the bottom of the two support feet (2) is provided with anti-slip pads (3); characterized in that: The top of the outer shell (1) is equipped with a feed inlet (4); a motor (5) is installed on the right side of the outer shell (1); a threaded rod (51) is installed on the left side of the motor (5); a cleaning mechanism is installed inside the outer shell (1); the inner walls of the front and rear sides of the outer shell (1) are provided with sliding grooves; and the left side wall of the outer shell (1) is provided with a drain hole (11).

2. An extruder screw according to claim 1, characterized in that, The cleaning mechanism includes a cleaning plate (72) installed inside the outer casing (1); brush bristles (74) are installed on the cleaning plate (72); sliders (73) are installed on the front and rear sides of the cleaning plate (72); the sliders (73) are embedded in the grooves; a lead screw (71) is installed on the rear slider (73); a second motor (7) is installed on the right side of the lead screw (71), and the second motor (7) is installed on the right side wall of the outer casing (1); a limit rod is installed on the front slider (73).

3. An extruder screw according to claim 1, characterized in that, A water tank (8) is installed at the bottom of the outer shell (1), and the water tank (8) is fixedly installed between two support legs (2); a water pump (81) is installed on the left side of the water tank (8); a water delivery pipe (82) is installed on the left side of the water pump (81).

4. An extruder screw according to claim 3, characterized in that, The other end of the water supply pipe (82) is equipped with a spray pipe (83), and there are two spray pipes (83); another spray pipe (83) is installed on the top inner wall of the outer casing (1); a connecting pipe (84) is installed between the two spray pipes (83); and a nozzle is provided on the two spray pipes (83).

5. An extruder screw according to claim 1, characterized in that, The lower side of the outer shell (1) is provided with a discharge port (6), which is located on the right side of the right support foot (2); a sealing plate (64) is provided at the bottom port of the outer shell (1), and grooves are provided on the left and right sides of the sealing plate (64).

6. An extruder screw according to claim 5, characterized in that, Fixing plates (61) are installed on the left and right sides of the bottom end of the discharge port (6). Springs (62) are installed inside the two fixing plates (61), and two springs (62) are provided in one fixing plate (61). A clamping plate (63) is installed on the other side of the spring (62). The clamping plate (63) is in the shape of an inverted 7. One end of the clamping plate (63) is clamped in the groove of the sealing plate (64).

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