Extruder for polyethylene pipe production

Abstract

The utility model discloses an extruder for polyethylene pipe production in the technical field of extruders, which comprises a base, two groups of support columns arranged at the top of the base, a feeding pipe arranged at the tops of the two groups of support columns, a spiral extrusion rod arranged in the feeding pipe, a motor arranged on the right side wall of the feeding pipe, and a motor output end connected with one end of the spiral extrusion rod. A feeding pipe is arranged at one end of the extruder, an extrusion pipe is arranged at one end of the feeding pipe, a feeding hopper is arranged at the top of the feeding pipe in a penetrating and communicating mode, and an anti-blocking assembly is arranged in the feeding hopper. Under the action of the anti-blocking assembly, the feeding hopper can be dredged when polyethylene raw materials are blocked in the feeding hopper, manual dredging is not needed, and the use efficiency of the extruder is improved; and the extrusion pipe can be conveniently disassembled and assembled from the feeding pipe under the cooperation of the internal thread and the external thread, so that the use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of extruders, in particular to an extruder for producing polyethylene pipes. Background Art

[0002] The screw extruder relies on the pressure and shear force generated by the rotation of the screw to fully plasticize and evenly mix the material, and then form it through a die. An extruder is needed when producing polyethylene pipes. When using an extruder for the production of polyethylene pipes, a feed funnel is needed to transport the polyethylene raw material into the extruder. However, sometimes the polyethylene raw material will be blocked in the feed funnel and needs to be manually unblocked, affecting the use of the extruder. Therefore, we propose an extruder for the production of polyethylene pipes. Utility Model Content

[0003] The utility model aims to provide an extruder for producing polyethylene pipes to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an extruder for producing polyethylene pipes, comprising a base, two groups of support columns are provided on the top of the base, feeding pipes are provided on the top of the two groups of support columns, a spiral extrusion rod is provided in the feeding pipe, a motor is provided on the right side wall of the feeding pipe, the output end of the motor is connected to one end of the spiral extrusion rod, an extrusion pipe is provided at one end of the feeding pipe, a feeding funnel is provided through the top of the feeding pipe, and an anti-blocking component is provided in the feeding funnel.

[0005] Furthermore, the anti-blocking component includes a movable rod provided in the feed funnel, a sleeve is provided on the left side wall of the feed funnel, a sliding plate is slidably connected in the sleeve, a spring is provided on the left side wall of the sliding plate, one end of the spring is connected to the left side wall inside the sleeve, one end of the movable rod penetrates the left side wall inside the feed funnel and is connected to the right side wall of the sliding plate, one end of the movable rod penetrates the right side wall inside the feed funnel and is connected to a knocking plate provided on the outside, a fixed plate is provided on the right side wall of the feed funnel, a driving motor is provided at the bottom of the fixed plate, a cam is connected to the output end of the driving motor, a return spring is sleeved on the outer wall of the movable rod, one end of the return spring is connected to the left side wall of the knocking plate, and the other end of the return spring is connected to the right side wall of the feed funnel, three groups of mounting sleeves are sleeved on the outer wall of the movable rod, and four groups of toggle rods are provided on the outer walls of the three groups of mounting sleeves.

[0006] Furthermore, the upper and lower side walls of the sleeve are both provided with guide grooves, and the upper and lower side walls of the sliding plate are both provided with guide blocks matching the guide grooves.

[0007] Furthermore, two sets of sliding rods are movably provided on the right side wall of the knocking plate, and one end of the sliding rod is connected to the right side wall of the feed hopper.

[0008] Furthermore, three groups of the installation sleeves are distributed in a linear array on the outer wall of the movable rod, and the installation sleeves are arranged in the feed funnel.

[0009] Furthermore, the inner wall of the extrusion tube is provided with an internal thread, and the outer wall of the feeding tube is provided with an external thread matching the internal thread.

[0010] Compared with the prior art, the beneficial effects of the utility model are: the utility model can dredge the polyethylene raw material when it is blocked in the feed funnel under the action of the anti-blocking component, without the need for manual dredging, thereby improving the use efficiency of the extruder; with the cooperation of the internal thread and the external thread, the extrusion tube can be easily disassembled and assembled from the feeding tube, which is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model;

[0012] Figure 2 This is a schematic diagram of the internal structure of the feed funnel of the utility model;

[0013] Figure 3 This is a schematic diagram of the structure of the extrusion tube and the feeding tube of the utility model.

[0014] In the figure: 1. base; 2. support column; 3. feed pipe; 4. motor; 5. spiral extrusion rod; 6. feed funnel; 7. extrusion tube; 8. anti-blocking component; 80. sleeve; 81. spring; 82. sliding plate; 83. movable rod; 84. mounting sleeve; 85. toggle rod; 86. reset spring; 87. sliding rod; 88. fixed plate; 89. drive motor; 800. cam; 801. knocking plate; 9. internal thread; 10. external thread. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0016] Embodiment 1:

[0017] See also Figure 1-3The utility model provides a technical solution: an extruder for producing polyethylene pipes, comprising a base 1, two groups of support columns 2 are arranged on the top of the base 1, a feeding pipe 3 is arranged on the top of the two groups of support columns 2, a spiral extrusion rod 5 is arranged in the feeding pipe 3, a motor 4 is arranged on the right side wall of the feeding pipe 3, the output end of the motor 4 is connected to one end of the spiral extrusion rod 5, an extrusion pipe 7 is arranged at one end of the feeding pipe 3, an internal thread 9 is arranged on the inner wall of the extrusion pipe 7, an external thread 10 matching the internal thread 9 is arranged on the outer wall of the feeding pipe 3, the extrusion pipe 7 can be disassembled under the action of the internal thread 9 and the external thread 10, a feeding funnel 6 is connected through the top of the feeding pipe 3, and an anti-blocking component 8 is arranged in the feeding funnel 6.

[0018] See also Figure 2 The anti-blocking component 8 includes a movable rod 83 provided in the feed funnel 6, a sleeve 80 is provided on the left side wall of the feed funnel 6, a sliding plate 82 is slidably connected in the sleeve 80, guide grooves are provided on the upper and lower side walls of the sleeve 80, and guide blocks matching the guide grooves are provided on the upper and lower side walls of the sliding plate 82. Under the action of the guide grooves and the guide blocks, the sliding plate 82 moves more stably in the sleeve 80, a spring 81 is provided on the left side wall of the sliding plate 82, one end of the spring 81 is connected to the left side wall of the sleeve 80, one end of the movable rod 83 penetrates the left side wall of the feed funnel 6 and is connected to the right side wall of the sliding plate 82, one end of the movable rod 83 penetrates the right side wall of the feed funnel 6 and is connected to the knocking plate 801 provided on the outside, and the right side wall of the knocking plate 801 is movably penetrated There are two groups of slide bars 87, one end of the slide bar 87 is connected to the right side wall of the feed funnel 6. Under the action of the slide bar 87, the knocking plate 801 moves more stably. A fixed plate 88 is provided on the right side wall of the feed funnel 6. A driving motor 89 is provided at the bottom of the fixed plate 88. A cam 800 is connected to the output end of the driving motor 89. A return spring 86 is sleeved on the outer wall of the movable rod 83. One end of the return spring 86 is connected to the left side wall of the knocking plate 801, and the other end of the return spring 86 is connected to the right side wall of the feed funnel 6. Three groups of mounting sleeves 84 are sleeved and installed on the outer wall of the movable rod 83. The three groups of mounting sleeves 84 are distributed in a linear array on the outer wall of the movable rod 83. The mounting sleeves 84 are arranged in the feed funnel 6, and four groups of toggle rods 85 are provided on the outer walls of the three groups of mounting sleeves 84.

[0019] Working principle: the polyethylene raw material enters the feeding pipe 3 from the feeding funnel 6, and the motor 4 drives the spiral extrusion rod 5 to rotate. The spiral extrusion rod 5 can transport and extrude the polyethylene raw material, and the polyethylene can be extruded and formed under the action of the extrusion tube 7. If the polyethylene raw material is blocked in the feeding funnel 6, the motor 89 drives the cam 800 to rotate, and the protrusion of the cam 800 can indirectly knock the knocking plate 801, and the knocking plate 801 can squeeze the movable rod 83 and the return spring 86. The movable rod 83 drives the sliding plate 82 to squeeze the spring 81. With the cooperation of the spring 81 and the return spring 86, the toggle rod 85 can be driven to move back and forth. The toggle rod 85 can toggle the polyethylene raw material, thereby clearing the feeding funnel 6.

[0020] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An extruder for producing polyethylene pipes, comprising a base (1), two groups of support columns (2) are provided on the top of the base (1), a feed pipe (3) is provided on the top of the two groups of support columns (2), a spiral extrusion rod (5) is provided in the feed pipe (3), a motor (4) is provided on the right side wall of the feed pipe (3), an output end of the motor (4) is connected to one end of the spiral extrusion rod (5), and the characteristics are: An extrusion tube (7) is provided at one end of the feeding tube (3), a feeding funnel (6) is provided through the top of the feeding tube (3), and an anti-blocking component (8) is provided inside the feeding funnel (6); The anti-blocking component (8) comprises a movable rod (83) provided in the feed funnel (6), a sleeve (80) being provided on the left side wall of the feed funnel (6), a sliding plate (82) being slidably connected in the sleeve (80), a spring (81) being provided on the left side wall of the sliding plate (82), one end of the spring (81) being connected to the left side wall of the sleeve (80), one end of the movable rod (83) penetrating the left side wall of the feed funnel (6) and being connected to the right side wall of the sliding plate (82), one end of the movable rod (83) penetrating the right side wall of the feed funnel (6) and being connected to a knocking plate (801) provided on the outside, The right side wall of the feed hopper (6) is provided with a fixed plate (88), the bottom of the fixed plate (88) is provided with a driving motor (89), the output end of the driving motor (89) is connected with a cam (800), the outer wall of the movable rod (83) is sleeved with a return spring (86), one end of the return spring (86) is connected to the left side wall of the knocking plate (801), and the other end of the return spring (86) is connected to the right side wall of the feed hopper (6), and the outer wall of the movable rod (83) is sleeved with three groups of mounting sleeves (84), and the outer walls of the three groups of mounting sleeves (84) are provided with four groups of toggle rods (85).

2. The extruder for producing polyethylene pipe according to claim 1, characterized in that: The upper and lower side walls of the sleeve (80) are both provided with guide grooves, and the upper and lower side walls of the sliding plate (82) are both provided with guide blocks matching the guide grooves.

3. The extruder for producing polyethylene pipe according to claim 1, characterized in that: Two sets of sliding rods (87) are movably provided through the right side wall of the knocking plate (801), and one end of the sliding rod (87) is connected to the right side wall of the feeding funnel (6).

4. The extruder for producing polyethylene pipe according to claim 1, characterized in that: The three groups of mounting sleeves (84) are distributed in a linear array on the outer wall of the movable rod (83), and the mounting sleeves (84) are arranged inside the feed hopper (6).

5. The extruder for producing polyethylene pipe according to claim 1, characterized in that: The inner wall of the extrusion tube (7) is provided with an internal thread (9), and the outer wall of the feeding tube (3) is provided with an external thread (10) matching the internal thread (9).

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