Polyethylene downpipe extruder

Abstract

The utility model discloses a polyethylene downpipe extruder and relates to the technical field of extruders. The device comprises a workbench, the top of the workbench is fixedly connected with an operation table, the top of the operation table is provided with a feeding port, the top of the feeding port is fixedly provided with a feeding barrel in a penetrating mode, the side face of the operation table is fixedly connected with a circular mold, and the top of the workbench is provided with a cooling device. The motor drives the threaded rod, the threaded sleeve, the connecting plate, the supporting plate, the placing box, the air cooler and other components in the cooling device to be matched with one another, so that the threaded rod drives the threaded sleeve to move, the threaded sleeve drives the connecting plate and the supporting plate to move, the supporting plate drives the air cooler to move, and the air cooler cools a pipe in a circular mold; the pipe is quickly cured, the effect of cooling the pipe is achieved, time is saved, the pipe can be uniformly cooled, and the pipe can be cured and formed faster.

Description

Technical Field

[0001] The utility model belongs to the technical field of extruders, in particular to a polyethylene downpipe extruder. Background Art

[0002] Polyethylene downpipe is made of polyethylene (PE) as the main material. Polyethylene has the characteristics of high strength, corrosion resistance, and non-toxicity, so it is widely used in the field of water supply pipe manufacturing. Because it will not rust, it is an ideal pipe material to replace ordinary iron water supply pipes.

[0003] According to the disclosure, a shock-absorbing extruder (publication number: CN206140851 U) that is specially used for processing polyethylene water pipes and can prevent clogging includes a screw motor, a feed hopper, an extruder shell and an extruder shell base. The left and right ends below the base of the extruder shell are respectively provided with a base support frame, a shock-absorbing pad is provided below the base support frame, the screw motor is installed at the inner left end of the base of the extruder shell, the extruder shell is installed above the base of the extruder shell, a spiral extrusion rod is provided inside the extruder shell, and the feed hopper is installed at the upper left end of the extruder shell. The utility model has a scientific and reasonable structure, and is provided with a preliminary cutting device, which can perform preliminary cutting on large-particle long strip materials, avoiding the problem that the traditional extruder cannot preliminarily cut the material and causes the large-particle long strip material to block the feed port, and solves the problem of the single function of the traditional extruder.

[0004] However, in the above application, the screw motor, the lower hopper, the extruder outer shell and the extruder outer shell base are respectively provided with base support frames at the left and right ends below the base of the extruder outer shell, and a shock-absorbing pad is provided below the base support frame. The screw motor is installed at the inner left end of the base of the extruder outer shell, which makes it difficult to cool and solidify the pipe, resulting in the pipe having to be pulled out for cooling, which wastes time and needs to be improved. Utility Model Content

[0005] The utility model aims to provide a polyethylene downpipe extruder, which drives the threaded rod, threaded sleeve, connecting plate, support plate, placement box, air cooler and other components inside the cooling device through a motor to cooperate with each other, so that the threaded rod drives the threaded sleeve to move, the threaded sleeve drives the connecting plate and the support plate to move, the support plate drives the air cooler to move, the air cooler cools the pipe in the circular mold, so that the pipe solidifies quickly, thereby achieving the effect of cooling the pipe, saving time, being able to cool the pipe evenly, making the pipe solidify and form faster, and solving the existing problems.

[0006] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0007] The utility model relates to a polyethylene downpipe extruder, which comprises a workbench. The top of the workbench is fixedly connected with an operating table. The top of the operating table is provided with a feed inlet. The top of the feed inlet is fixedly penetrated by a feed barrel. The side of the operating table is fixedly connected with a circular mold. The top of the workbench is provided with a cooling device;

[0008] The cooling device includes a motor. The bottom of the motor is fixedly connected to the top of the workbench. The output end of the motor is fixedly connected with a threaded rod. A threaded sleeve is threadedly connected to the circumferential surface of the threaded rod. A connecting plate is fixedly connected to the side of the threaded sleeve. A support plate is fixedly connected to the side of the connecting plate. The top of the support plate is fixedly connected with a placement box. A cold air blower is arranged on the inner wall of the placement box.

[0009] Furthermore, a limiting plate is fixedly connected to the side of the threaded rod. A limiting block is fixedly connected to the top of the workbench. The limiting plate is to prevent the threaded sleeve from falling off during movement, and the limiting block is to limit the threaded sleeve to only reach the edge of the limiting block.

[0010] Furthermore, two cold air blowers are arranged, and they are symmetrically arranged along the vertical central axis of the placement box. The two cold air blowers are arranged to cool the pipe more evenly and quickly.

[0011] Furthermore, a cutting device is arranged on the top of the workbench. The cutting device includes a chute. The chute is opened on the top of the workbench. A moving block is slidably connected to the inner wall of the chute. The top of the moving block is fixedly connected with an L-shaped hydraulic cylinder. One end of the L-shaped hydraulic cylinder is slidably connected with a stress rod through a piston. The other end of the L-shaped hydraulic cylinder is slidably connected with a hydraulic rod through another piston. A thrust plate is fixedly connected to the side of the stress rod. The bottom of the hydraulic rod is fixedly connected with a fixing plate. A cutting knife is fixedly connected to the bottom of the fixing plate. The moving block slides in the chute. The moving block drives the L-shaped hydraulic cylinder to move. The cutting knife cuts the pipe.

[0012] Furthermore, a return spring is fixedly connected to the upper bottom of the L-shaped hydraulic cylinder. One end of the return spring is fixedly connected to the top of the fixing plate. The return spring is to reset the hydraulic rod and extend the stress rod.

[0013] Furthermore, a push rod is fixedly connected to the side of the L-shaped hydraulic cylinder. A support frame is fixedly connected to the top of the workbench. The push rod is to push the L-shaped hydraulic cylinder so that the L-shaped hydraulic cylinder can move. The support frame is to place the cooled pipe.

[0014] Furthermore, four support frames are arranged, and they are linearly arrayed along the top of the workbench. The side of the thrust plate is located on the displacement track of the side of the support plate. When the support plate touches the thrust plate, the stress rod can be retracted and the hydraulic rod can be extended.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model drives the components such as the threaded rod, the threaded sleeve, the connecting plate, the support plate, the placement box, and the air cooler inside the cooling device through a motor to cooperate with each other, realizing that the threaded rod drives the threaded sleeve to move, the threaded sleeve drives the connecting plate and the support plate to move, the support plate drives the air cooler to move, and the air cooler cools the pipe in the circular mold, enabling the pipe to be quickly solidified, achieving the effect of cooling the pipe, saving time, being able to cool the pipe evenly, and making the pipe solidify and form faster.

[0017] 2. The utility model drives the components such as the L-shaped hydraulic cylinder, the stress rod, the hydraulic rod, the fixing plate, and the cutting knife inside the cutting device through a motor to cooperate with each other, realizing that the hydraulic rod extends to drive the fixing plate and the cutting knife to move downward to cut the pipe, achieving the effect of cutting.

[0018] Of course, it is not necessary for any product implementing the utility model to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0020] Figure 1 is a three-dimensional overall appearance structure diagram of the utility model;

[0021] Figure 2 is a three-dimensional overall structure diagram of the cooling device of the utility model;

[0022] Figure 3 is a three-dimensional structure sectional view of the cooling device of the utility model;

[0023] Figure 4 is a three-dimensional overall structure diagram of the cutting device of the utility model;

[0024] Figure 5 is of the utility model Figure 4 three-dimensional enlarged structure diagram of part A.

[0025] In the drawings, the list of components represented by each reference numeral is as follows:

[0026] 1. Workbench; 2. Operating table; 3. Feeding port; 4. Feeding barrel; 5. Circular mold; 6. Cooling device; 61. Motor; 62. Threaded rod; 63. Threaded sleeve; 64. Connecting plate; 65. Support plate; 66. Placing box; 67. Air cooler; 68. Limiting plate; 69. Limiting block; 7. Cutting device; 71. Chute; 72. Moving block; 73. L-shaped hydraulic cylinder; 74. Stress rod; 75. Hydraulic rod; 76. Thrust plate; 77. Fixed plate; 78. Cutting knife; 79. Return spring; 710. Push rod; 711. Support frame. Detailed implementation mode

[0027] 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 work shall fall within the protection scope of the present invention.

[0028] Please refer to Figures 1-5 , the present invention is a polyethylene downpipe extruder, including a workbench 1. The top of the workbench 1 is fixedly connected with an operating table 2. The top of the operating table 2 is provided with a feeding port 3. The top of the feeding port 3 is fixedly penetrated with a feeding barrel 4. The side of the operating table 2 is fixedly connected with a circular mold 5. The top of the workbench 1 is provided with a cooling device 6;

[0029] The cooling device 6 includes a motor 61. The bottom of the motor 61 is fixedly connected to the top of the workbench 1. The output end of the motor 61 is fixedly connected with a threaded rod 62. The circumferential surface of the threaded rod 62 is threadedly connected with a threaded sleeve 63. The side of the threaded sleeve 63 is fixedly connected with a connecting plate 64. The side of the connecting plate 64 is fixedly connected with a support plate 65. The top of the support plate 65 is fixedly connected with a placing box 66. The inner wall of the placing box 66 is provided with an air cooler 67.

[0030] The side of the threaded rod 62 is fixedly connected with a limiting plate 68. The top of the workbench 1 is fixedly connected with a limiting block 69. The limiting plate 68 is for preventing the threaded sleeve 63 from falling off during movement, and the limiting block 69 is for restricting the threaded sleeve 63 to only reach the side of the limiting block 69.

[0031] The air coolers 67 are provided in two and are symmetrically arranged along the vertical central axis of the placing box 66. The two air coolers 67 are provided to cool the pipe more evenly and quickly.

[0032] A cutting device 7 is provided on the top of the workbench 1. The cutting device 7 includes a chute 71 which is opened on the top of the workbench 1. A moving block 72 is slidably connected to the inner wall of the chute 71. A top of the moving block 72 is fixedly connected with an L-shaped hydraulic cylinder 73. One end of the L-shaped hydraulic cylinder 73 is slidably connected with a force-receiving rod 74 through a piston, and the other end of the L-shaped hydraulic cylinder 73 is slidably connected with a hydraulic rod 75 through another piston. A side of the force-receiving rod 74 is fixedly connected with a thrust plate 76, and a bottom of the hydraulic rod 75 is fixedly connected with a fixing plate 77. A bottom of the fixing plate 77 is fixedly connected with a cutting knife 78. The moving block 72 slides within the chute 71, and the moving block 72 drives the L-shaped hydraulic cylinder 73 to move. The cutting knife 78 cuts the pipe.

[0033] A reset spring 79 is fixedly connected to the upper bottom of the L-shaped hydraulic cylinder 73. One end of the reset spring 79 is fixedly connected to the top of the fixing plate 77. The reset spring 79 is for resetting the hydraulic rod 75 and extending the force-receiving rod 74.

[0034] A push rod 710 is fixedly connected to the side of the L-shaped hydraulic cylinder 73. A support frame 711 is fixedly connected to the top of the workbench 1. The push rod 710 is for pushing the L-shaped hydraulic cylinder 73 so that the L-shaped hydraulic cylinder 73 can move. The support frame 711 is for placing the cooled pipe.

[0035] The support frames 711 are provided in four and are linearly arrayed along the top of the workbench 1. A side of the thrust plate 76 is located on the displacement track of the side of the support plate 65. When the support plate 65 touches the thrust plate 76, the force-receiving rod 74 can be retracted and the hydraulic rod 75 can be extended.

[0036] A specific application of this embodiment is as follows: When the pipe is already made and is in the circular mold 5, it can be cooled and solidified without being taken out. First, the operator starts the motor 61. The motor 61 drives the threaded rod 62 to rotate clockwise. The clockwise rotation of the threaded rod 62 drives the threaded sleeve 63 to move backward. The backward movement of the threaded sleeve 63 drives the connecting plate 64, the support plate 65, the placement box 66 and the air cooler 67 to move backward together. The backward movement of the connecting plate 64, the support plate 65, the placement box 66 and the air cooler 67 together cools and solidifies the pipe in the circular mold 5.

[0037] First, the pipe has been cured and formed. Take out the pipe and place it on the support frame 711. It is necessary to cut the pipe. First, use the push rod 710 to move the L-shaped hydraulic cylinder 73 to the length where the pipe needs to be cut. Then, the operator starts the motor 61. The motor 61 drives the threaded rod 62 to rotate counterclockwise. The counterclockwise rotation of the threaded rod 62 will drive the threaded sleeve 63 to move forward. The forward movement of the threaded sleeve 63 will drive the connecting plate 64, the support plate 65, the placement box 66, and the cold air blower 67 to move forward together. The forward movement of the support plate 65 will touch the force-bearing rod 74. Touching the force-bearing rod 74 will cause the hydraulic rod 75 to extend. The extension of the hydraulic rod 75 will drive the fixed plate 77 and the cutting knife 78 to move downward together. The downward movement of the fixed plate 77 and the cutting knife 78 together will cut the pipe of the specified length.

[0038] In the description of this specification, the descriptions referring to the terms "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0039] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the present invention to the specific embodiments described. Obviously, many modifications and changes can be made according to the content of this specification. These embodiments are selected and specifically described in this specification to better explain the principles and practical applications of the present invention, so that those skilled in the relevant technical fields can understand and utilize the present invention well. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A polyethylene downpipe extruder, comprising a workbench (1), characterized in that: The top of the workbench (1) is fixedly connected with an operating table (2). The top of the operating table (2) is provided with a feeding port (3). The top of the feeding port (3) is fixedly penetrated by a feeding barrel (4). The side of the operating table (2) is fixedly connected with a circular mold (5). The top of the workbench (1) is provided with a cooling device (6). The cooling device (6) includes a motor (61). The bottom of the motor (61) is fixedly connected to the top of the workbench (1). The output end of the motor (61) is fixedly connected with a threaded rod (62). A threaded sleeve (63) is threadedly connected to the circumferential surface of the threaded rod (62). A connecting plate (64) is fixedly connected to the side of the threaded sleeve (63). A support plate (65) is fixedly connected to the side of the connecting plate (64). A placing box (66) is fixedly connected to the top of the support plate (65). An air cooler (67) is arranged on the inner wall of the placing box (66).

2. The polyethylene downspout extruder according to claim 1, characterized in that, A limiting plate (68) is fixedly connected to the side of the threaded rod (62). A limiting block (69) is fixedly connected to the top of the workbench (1).

3. The polyethylene downspout extruder according to claim 2, characterized in that, Two air coolers (67) are provided and are symmetric with respect to the vertical central axis of the placing box (66).

4. The polyethylene downspout extruder according to claim 3, characterized in that, A cutting device (7) is arranged on the top of the workbench (1). The cutting device (7) includes a chute (71). The chute (71) is opened on the top of the workbench (1). A moving block (72) is slidably connected to the inner wall of the chute (71). An L-shaped hydraulic cylinder (73) is fixedly connected to the top of the moving block (72). One end of the L-shaped hydraulic cylinder (73) is slidably connected with a stress rod (74) through a piston. The other end of the L-shaped hydraulic cylinder (73) is slidably connected with a hydraulic rod (75) through another piston. A thrust plate (76) is fixedly connected to the side of the stress rod (74). The bottom of the hydraulic rod (75) is fixedly connected with a fixing plate (77). A cutting knife (78) is fixedly connected to the bottom of the fixing plate (77).

5. The polyethylene downspout extruder according to claim 4, characterized in that, A return spring (79) is fixedly connected to the upper bottom of the L-shaped hydraulic cylinder (73). One end of the return spring (79) is fixedly connected to the top of the fixing plate (77).

6. The polyethylene downspout extruder according to claim 5, characterized in that, A push rod (710) is fixedly connected to the side of the L-shaped hydraulic cylinder (73). A support frame (711) is fixedly connected to the top of the workbench (1).

7. The polyethylene downspout extruder according to claim 6, characterized in that, Four support frames (711) are provided and are linearly arrayed along the top of the workbench (1). The side of the thrust plate (76) is located on the displacement track of the side of the support plate (65).

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