Plastic hose drawing forming device

Abstract

The utility model relates to the technical field of pipe production, and discloses a plastic hose drawing forming device which comprises an extruder, an extrusion head and a feed hopper, the extrusion head is arranged at the front end of the extruder, the feed hopper is arranged at the top of the extruder, and a heating cover is fixedly arranged outside the extruder; a support is fixedly arranged at the position, close to an extrusion head, of the top of the extruder, an air cylinder is fixedly arranged at the top of the support, and a cutting blade is elastically arranged at the tail end of a piston rod of the air cylinder. A supporting plate is arranged on one side of the extrusion head, the lower surface of the supporting plate is fixedly connected with the bottom of the extruder through the lower end of a supporting rod, a length limiting plate is arranged on the upper surface of the supporting plate, and an adjusting mechanism connected with the length limiting plate is arranged on the upper surface of the supporting plate. According to the plastic hose cutting device, a plastic hose formed through pipe drawing can be cut, the length needed by cutting can be adjusted, and the cutting accuracy of the plastic hose is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pipe production, in particular to a plastic hose drawing and forming device. Background Art

[0002] At present, the printed PE plastic and aluminum-plastic sheet particles are put into the silo of the molding device, and the plastic is softened by electric heating at a heating temperature of about 180°C (PE cracking temperature ≥ 380°C), then pulled into a tube, and then cut into sections according to the required length.

[0003] However, at present, when the plastic hose is cut after being drawn and formed, the length of the plastic hose is required to be different, so the length of the plastic hose cannot be accurately controlled each time it is cut, and it is easy to be too long or too short. Therefore, a plastic hose drawing and forming device is proposed. Utility Model Content

[0004] The utility model aims to solve the problems raised by the background technology and provides a plastic hose drawing and forming device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A plastic hose drawing and forming device comprises an extruder, an extrusion head and a feeding hopper, wherein the extrusion head is arranged at the front end of the extruder, the feeding hopper is arranged at the top of the extruder, and a heating hood is fixedly provided on the outside of the extruder; a bracket is fixedly provided on the top of the extruder and close to the extrusion head, a cylinder is fixedly provided on the top of the bracket, and a cutting blade is elastically provided at the end of the piston rod of the cylinder; a support plate is provided on one side of the extrusion head, the lower surface of the support plate is fixedly connected to the bottom of the extruder through the lower end of a support rod, the upper surface of the support plate is provided with a length limiting plate, and the upper surface of the support plate is provided with an adjustment mechanism connected to the length limiting plate.

[0007] Preferably, the adjustment mechanism includes an adjusting screw, an adjusting screw seat and a handle, a strip groove is opened on the upper surface of the support plate, the adjusting screw is arranged inside the strip groove in a transversely rotatable manner, the adjusting screw seat is slidably arranged inside the strip groove, and the adjusting screw seat is threadedly connected to the adjusting screw, the length limiting plate is fixedly arranged on the top of the adjusting screw seat, and one end of the adjusting screw extends to the outside of the support plate and is fixedly connected to the handle.

[0008] Preferably, scale lines are provided on the upper surface of the support plate and along its length direction.

[0009] Preferably, a mounting seat is fixedly provided at the end of the piston rod of the cylinder, a movable seat is provided below the mounting seat, sliding rods are fixedly provided on both sides of the top of the movable seat, and the sliding rods are slidably connected to the mounting seat, a spring is sleeved on the upper end of the sliding rod, and the two ends of the spring are respectively fixedly connected to the mounting seat and the sliding rod, and the cutting blade is fixedly set at the bottom of the movable seat.

[0010] Preferably, the side of the cutting blade in contact with the extrusion head is arranged in a plane.

[0011] Preferably, an annular heating tube is provided inside the heating cover.

[0012] Compared with the prior art, the utility model provides a plastic hose drawing and forming device, which has the following beneficial effects:

[0013] 1. The plastic hose tube drawing and forming device is equipped with a bracket, a cylinder, a cutting blade, a support plate and a length limiting plate. After the plastic hose is extruded through the extrusion head, the plastic hose will move on the upper surface of the support plate until the end of the plastic hose contacts the length limiting plate. At this time, it is the length of the plastic hose. Then the cylinder extends to drive the cutting blade to move downward, so that the cutting blade cuts the plastic hose, thereby accurately completing the segmentation.

[0014] 2. The plastic hose drawing and forming device is provided with an adjusting screw, an adjusting screw seat and a handle. The adjusting screw is rotated by turning the handle, and the adjusting screw can drive the adjusting screw seat to move, thereby adjusting the position of the length limit plate on the support plate, and the length of the divided plastic hose can be adjusted.

[0015] 3. The plastic hose drawing and forming device is provided with a mounting seat, a movable seat, a sliding rod and a spring. When the cutting blade moves downward and contacts the support plate, the cutting blade moves upward and drives the sliding rod on the movable seat to stretch the spring, so that the cutting blade has the function of elastic expansion and contraction, avoiding the cutting blade from colliding with the support plate and being damaged.

[0016] The parts not involved in the device are the same as the prior art or can be implemented by using the prior art. The utility model can split the plastic hose formed by tube drawing, and the length required for splitting is adjustable, thereby improving the splitting accuracy of the plastic hose. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of a plastic hose drawing and forming device proposed by the utility model;

[0018] Figure 2 for Figure 1 A top view of the middle tray;

[0019] Figure 3 for Figure 1A magnified view of the structure of part A in the middle.

[0020] In the figure: 1. extruder; 2. extrusion head; 3. feed hopper; 4. heating cover; 5. bracket; 6. cylinder; 7. cutting blade; 8. support plate; 9. support rod; 10. length limit plate; 11. adjusting screw; 12. adjusting screw seat; 13. handle; 14. scale line; 15. mounting seat; 16. movable seat; 17. slide rod; 18. spring. DETAILED DESCRIPTION

[0021] 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 of the embodiments.

[0022] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0023] Reference Figure 1 A plastic hose drawing and forming device comprises an extruder 1, an extrusion head 2 and a feed hopper 3. The extrusion head 2 is arranged at the front end of the extruder 1, and the feed hopper 3 is arranged at the top of the extruder 1. A heating cover 4 is fixedly arranged outside the extruder 1, and a ring-shaped heating pipe is arranged inside the heating cover 4. After the heating pipe is powered on, the material inside the extruder 1 can be heated to a temperature of about 180°C (PE cracking temperature ≥ 380°C); a bracket 5 is fixedly arranged at the top of the extruder 1 and close to the extrusion head 2, and a cylinder 6 is fixedly arranged on the top of the bracket 5. A cutting blade 7 is elastically arranged at the end of the piston rod of the cylinder 6. The cutting blade 7 is provided to cut the material. The side where the blade 7 contacts the extrusion head 2 is arranged in a plane so that the extruded plastic hose can be cut off. A support plate 8 is provided on one side of the extrusion head 2. The lower surface of the support plate 8 is fixedly connected to the bottom of the extruder 1 through the lower end of the support rod 9. The upper surface of the support plate 8 is provided with a length limiting plate 10. After the plastic hose is extruded through the extrusion head 2, the plastic hose will move on the upper surface of the support plate 8 until the end of the plastic hose contacts the length limiting plate 10. At this time, the length of the plastic hose is reached, and then the cylinder 6 is extended to drive the cutting blade 7 to move downward, so that the cutting blade 7 cuts off the plastic hose, thereby accurately completing the segmentation.

[0024] Reference Figure 1-2The upper surface of the support plate 8 is provided with an adjusting mechanism connected to the length limit plate 10, the adjusting mechanism includes an adjusting screw 11, an adjusting screw seat 12 and a handle 13. A strip groove is opened on the upper surface of the support plate 8, the adjusting screw 11 is arranged inside the strip groove in a transverse rotation, the adjusting screw seat 12 is slidably arranged inside the strip groove, and the adjusting screw seat 12 is threadedly connected with the adjusting screw 11, the length limit plate 10 is fixedly arranged on the top of the adjusting screw seat 12, one end of the adjusting screw 11 extends to the outside of the support plate 8 and is fixedly connected with the handle 13, and a scale line 14 is arranged on the upper surface of the support plate 8 and along its length direction. The handle 13 is rotated by hand to rotate the adjusting screw 11, and the adjusting screw 11 can drive the adjusting screw seat 13 to move, so that the position of the length limit plate 10 on the support plate 8 can be adjusted, and the length of the split plastic hose can be adjusted. At the same time, the moving distance of the length limit plate 10 can be observed through the scale line 14.

[0025] Reference Figure 1 and 3 A mounting seat 15 is fixedly arranged at the end of the piston rod of the cylinder 6, and a movable seat 16 is arranged below the mounting seat 15. Slide rods 17 are fixedly arranged on both sides of the top of the movable seat 16, and the slide rod 17 is slidably connected to the mounting seat 15. A spring 18 is sleeved on the upper end of the slide rod 17, and the two ends of the spring 18 are respectively fixedly connected to the mounting seat 15 and the slide rod 17. The cutting blade 7 is fixedly arranged at the bottom of the movable seat 16. When the cutting blade 7 moves downward and contacts the support plate 8, the cutting blade 7 moves upward and drives the slide rod 17 on the movable seat 16 to stretch the spring 18, so that the cutting blade 7 has the function of elastic expansion and contraction, thereby avoiding the phenomenon of the cutting blade 7 and the support plate 8 being damaged by collision, thereby playing a protective role.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A plastic hose drawing and forming device, comprising an extruder (1), an extrusion head (2) and a feed hopper (3), characterized in that: The extrusion head (2) is arranged at the front end of the extruder (1), the feed hopper (3) is arranged at the top of the extruder (1), and a heating cover (4) is fixedly provided on the outside of the extruder (1); A bracket (5) is fixedly provided at the top of the extruder (1) and close to the extrusion head (2), a cylinder (6) is fixedly provided at the top of the bracket (5), and a cutting blade (7) is elastically provided at the end of the piston rod of the cylinder (6); A support plate (8) is provided on one side of the extrusion head (2); the lower surface of the support plate (8) is fixedly connected to the bottom of the extruder (1) via the lower end of a support rod (9); the upper surface of the support plate (8) is provided with a length limiting plate (10); and the upper surface of the support plate (8) is provided with an adjustment mechanism connected to the length limiting plate (10).

2. A plastic hose drawing and forming device according to claim 1, characterized in that: The adjusting mechanism comprises an adjusting screw (11), an adjusting screw seat (12) and a handle (13); a strip groove is provided on the upper surface of the support plate (8); the adjusting screw (11) is arranged inside the strip groove in a transversely rotatable manner; the adjusting screw seat (12) is slidably arranged inside the strip groove; the adjusting screw seat (12) is threadedly connected to the adjusting screw (11); the length limiting plate (10) is fixedly arranged on the top of the adjusting screw seat (12); one end of the adjusting screw (11) extends to the outside of the support plate (8) and is fixedly connected to the handle (13).

3. A plastic hose drawing and forming device according to claim 2, characterized in that: Scale lines (14) are provided on the upper surface of the support plate (8) along its length direction.

4. A plastic hose drawing and forming device according to claim 1, characterized in that: A mounting seat (15) is fixedly provided at the end of the piston rod of the cylinder (6), a movable seat (16) is provided below the mounting seat (15), sliding rods (17) are fixedly provided on both sides of the top of the movable seat (16), and the sliding rod (17) is slidably connected to the mounting seat (15), a spring (18) is sleeved on the upper end of the sliding rod (17), and the two ends of the spring (18) are respectively fixedly connected to the mounting seat (15) and the sliding rod (17), and the cutting blade (7) is fixedly arranged at the bottom of the movable seat (16).

5. The plastic hose drawing and forming device according to claim 1, characterized in that: The side of the cutting blade (7) in contact with the extrusion head (2) is arranged in a plane.

6. A plastic hose drawing and forming device according to claim 1, characterized in that: An annular heating pipe is arranged inside the heating cover (4).

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