CN215703983U

CN215703983U - Plastic tubing orthotic devices

Info

Publication number: CN215703983U
Application number: CN202121152316.4U
Authority: CN
Inventors: 俞乃林; 何华丰; 殷皖军; 罗玉琴; 王丹琪; 吴斌; 张栋峰
Original assignee: Anhui Huajiu Pipe Industry Co ltd
Current assignee: Anhui Huajiu Pipe Industry Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2022-02-01
Anticipated expiration: 2031-05-26

Abstract

The utility model discloses a plastic pipe correcting device which comprises a base, wherein a correcting cylinder is rotatably arranged on the base through a supporting seat, and the correcting cylinder is connected with a driving device for driving the correcting cylinder to rotate; the two ends of the shape correcting cylinder are provided with openings for the pipes to pass through, roll shafts are arranged in the shape correcting cylinder through an adjusting mechanism, the roll shafts are arranged in a circumferential array around a central shaft of the shape correcting cylinder, the axial direction of the roll shafts is parallel to the central shaft of the shape correcting cylinder, and the adjusting mechanism is used for adjusting the distance between the roll shafts and the axis of the shape correcting cylinder; the side wall of the shape correcting cylinder is provided with fan blades which are distributed along the circumferential direction of the shape correcting cylinder in a circumferential array mode, and the side wall of the shape correcting cylinder is provided with an air outlet which is positioned between the adjacent fan blades. The plastic pipe correcting device drives the correcting cylinder to drive the roll shaft to do rotary motion through the driving device, so that the pipe is corrected into a circle, and in the correcting process, the fan blades on the correcting cylinder generate axial cooling airflow on the surface of the pipe through centrifugal action, so that the pipe is uniformly cooled and formed, and the correcting effect is good.

Description

Plastic tubing orthotic devices

Technical Field

The utility model relates to the technical field of plastic pipe correction, in particular to a plastic pipe correction device.

Background

At present, most of the production modes of plastic pipes are extrusion molding, and in the extrusion molding production and preparation process of the plastic pipes, the plastic pipes which are just subjected to extrusion molding are in a high-temperature state, and the shapes of the plastic pipes are easy to deform. Therefore, during the moving transportation of the plastic pipes on the production line, the plastic pipes need to be prevented from deforming at any time and the deformed plastic pipes need to be corrected.

At present, in the existing rounding mode, two rotating rollers are transversely and symmetrically arranged around a plastic pipe, and the rounding work of the plastic pipe is finished after the distance between the rotating rollers is adjusted to be consistent with the diameter of the plastic pipe, so that the diameters of the plastic pipe in all directions are kept consistent, however, the rounding device is too simple in structure, the distance between the rotating rollers is inconvenient to adjust, the rounding device cannot be adapted to the plastic pipes with different diameters, and the rounding effect is poor; meanwhile, in the shape correction process, the temperature of the plastic pipe is reduced unevenly, bubbles are easily generated on the surface of the plastic pipe, and the shape correction effect of the pipe is poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems in the background art, the utility model provides a plastic pipe correction device.

The utility model provides a plastic pipe correcting device which comprises a base, wherein a correcting cylinder is rotatably arranged on the base through a supporting seat, and the correcting cylinder is connected with a driving device for driving the correcting cylinder to rotate;

the two ends of the shape correcting cylinder are provided with openings for the pipes to pass through, roll shafts are arranged in the shape correcting cylinder through an adjusting mechanism, the roll shafts are arranged in a circumferential array around a central shaft of the shape correcting cylinder, the axial direction of the roll shafts is parallel to the central shaft of the shape correcting cylinder, and the adjusting mechanism is used for adjusting the distance between the roll shafts and the axis of the shape correcting cylinder;

the side wall of the shape correcting cylinder is provided with fan blades which are distributed along the circumferential direction of the shape correcting cylinder in a circumferential array mode, and the side wall of the shape correcting cylinder is provided with an air outlet which is positioned between the adjacent fan blades.

Preferably, the adjusting mechanism comprises an adjusting screw rod, a sliding rod and a shaft seat, the roller shaft is rotatably installed on the shaft seat, the shaft seat is slidably installed on the side wall of the shape correcting barrel through the sliding rod, the screw rod is in threaded connection with the side wall of the shape correcting barrel, and one end of the screw rod is rotatably connected with the shaft seat.

Preferably, the driving device comprises a driving motor, a gear and a fluted disc, the fluted disc is coaxially and fixedly arranged on the orthopedic cylinder, and an output shaft of the driving motor is in meshing transmission with the fluted disc through the gear.

Preferably, the shape correcting barrel comprises an air barrel and two rollers, the two rollers are fixedly mounted at two ends of the air barrel respectively, the fan blades are arranged on the air barrel, and the rollers are rotatably mounted on the supporting seat.

Preferably, both ends of the roll shaft are provided with round chamfers.

In the plastic pipe correcting device, the roller shaft is clamped on the outer wall of the plastic pipe, the driving device drives the correcting cylinder to drive the roller shaft to rotate, the pipe is corrected into a circle, and in the correcting process, the fan blades on the correcting cylinder generate axial cooling airflow on the surface of the pipe through centrifugal action, so that the pipe is uniformly cooled and formed, and the correcting effect is good.

Drawings

Fig. 1 is a front view showing the structure of a plastic pipe correction device proposed in the embodiment;

FIG. 2 is a cross-sectional view of the plastic tubing correction device of FIG. 1;

figure 3 is a side view of the plastic tubing correction device of figure 1.

Detailed Description

Referring to fig. 1 to 3, the present invention provides a plastic pipe straightening device which can be disposed on a delivery line of an extruded plastic pipe to prevent the deformation of the plastic pipe and to straighten the deformed plastic pipe.

The plastic pipe straightening device comprises a base 1, wherein a straightening barrel 2 is rotatably mounted on the base 1 through a supporting seat 12, the straightening barrel 2 is connected with a driving device for driving the straightening barrel to rotate, preferably, the driving device comprises a driving motor 9, a gear 10 and a fluted disc 11, the fluted disc 11 is coaxially and fixedly mounted on the straightening barrel 2, an output shaft of the driving motor 9 is in meshing transmission with the fluted disc 11 through the gear 10, and the driving motor 9 is fixedly mounted on the base 1.

The two ends of the shape correcting barrel 2 are provided with openings for pipes to pass through, the inside of the shape correcting barrel 2 is provided with the roll shafts 3 through the adjusting mechanisms, the roll shafts 3 are arranged in a circumferential array around the central shaft of the shape correcting barrel 2, the axial direction of the roll shafts 3 is parallel to the central shaft of the shape correcting barrel 2, and the adjusting mechanisms are used for adjusting the distance between the roll shafts 3 and the central shaft of the shape correcting barrel 2. The roll shaft 3 is used for correcting the excircle of the plastic pipe, and preferably, round chamfers are arranged at two end parts of the roll shaft 3, so that the plastic pipe can be smoothly transited when being butted with the roll shaft 3.

The side wall of the shape correcting cylinder 2 is provided with fan blades 4 which are distributed along the circumferential direction in a circumferential array, and the side wall of the shape correcting cylinder 2 is provided with an air outlet 5 which is positioned between the adjacent fan blades 4.

According to the plastic pipe straightening device of the embodiment, when in straightening, the plastic pipe formed by extrusion molding is output from the die opening and is in a high-temperature state, the pipe enters between the roller shafts 3 from one end opening of the straightening barrel 2, the surfaces of the roller shafts 3 are attached to the outer wall of the pipe, and then the driving device drives the straightening barrel 2 to carry the roller shafts 3 to make a rotary motion, so that the output pipe is straightened into a circle. Meanwhile, when the shape correcting barrel 2 rotates, the fan blades 4 on the barrel wall generate airflow moving from the axial direction to the radial direction in the shape correcting barrel 2 through centrifugal action, and the airflow can generate uniform cooling effect along the surface flow channel of the pipe, so that the shape correcting effect of the pipe is better.

In this embodiment, the adjusting mechanism includes an adjusting screw 6, a sliding rod 7 and a shaft seat 8, the roller shaft 3 is rotatably mounted on the shaft seat 8, the shaft seat 8 is slidably mounted on the side wall of the orthopedic cylinder 2 through the sliding rod 7, the screw is in threaded connection with the side wall of the orthopedic cylinder 2, and one end of the screw is rotatably connected with the shaft seat 8.

When the shape is corrected, the position of the roll shaft 3 in the radial direction of the shape correcting barrel 2 can be adjusted by rotating the screw rod, so that the roll shaft 3 can be matched with pipes with different diameters, and the use flexibility of the correcting device can be improved.

In some embodiments, the adjusting mechanism may also be composed of a linear push rod and a shaft seat, as long as the position of the roller shaft 3 can be adjusted to make the roller shaft 3 adapt to pipes with different diameters.

As a preferable scheme of the embodiment, the orthopedic cylinder 2 comprises an air cylinder 21 and two rollers 22, the two rollers 22 are respectively and fixedly mounted at two ends of the air cylinder 21 in a detachable manner, the fan blade 4 is arranged on the air cylinder 21, and the rollers 22 are rotatably mounted on the supporting seat 12. The orthopedic cylinder 2 is provided with the air cylinder 21 and the roller 22 which can be separated, so that the air cylinder 21 can be directly purchased in the market, and the equipment assembly and the part replacement are convenient.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The plastic pipe correcting device is characterized by comprising a base (1), wherein a correcting barrel (2) is rotatably mounted on the base (1) through a supporting seat (12), and the correcting barrel (2) is connected with a driving device for driving the correcting barrel to rotate;

openings for pipes to pass through are formed in the two ends of the correcting barrel (2), roll shafts (3) are mounted in the correcting barrel (2) through adjusting mechanisms, the roll shafts (3) are arranged in a circumferential array around the central shaft of the correcting barrel (2), the axial direction of the roll shafts (3) is parallel to the central shaft of the correcting barrel (2), and the adjusting mechanisms are used for adjusting the axial distance between the roll shafts (3) and the correcting barrel (2);

the side wall of the shape correcting cylinder (2) is provided with fan blades (4) which are distributed in a circumferential array along the circumferential direction of the shape correcting cylinder, and the side wall of the shape correcting cylinder (2) is provided with an air outlet (5) which is positioned between the adjacent fan blades (4).

2. A plastic tube correction device as claimed in claim 1, characterized in that the adjustment mechanism comprises an adjustment screw (6), a slide rod (7) and a shaft seat (8), the roll shaft (3) is rotatably mounted on the shaft seat (8), the shaft seat (8) is slidably mounted on the side wall of the correction cylinder (2) through the slide rod (7), the screw is threadedly connected to the side wall of the correction cylinder (2), and one end of the screw is rotatably connected to the shaft seat (8).

3. A plastics pipe correction device according to claim 1, wherein the drive means comprises a drive motor (9), a gear (10) and a toothed disc (11), the toothed disc (11) being fixedly mounted coaxially on the correction cylinder (2), the output shaft of the drive motor (9) being in meshing transmission with the toothed disc (11) via the gear (10).

4. A plastic pipe correction device as claimed in any one of claims 1 to 3, characterized in that the correction barrel (2) comprises a wind barrel (21) and two rollers (22), the two rollers (22) are respectively fixedly mounted at two ends of the wind barrel (21), the fan blades (4) are arranged on the wind barrel (21), and the rollers (22) are rotatably mounted on the support base (12).

5. A plastic pipe correction device according to any one of claims 1-3, characterized in that both ends of the roll shaft (3) are provided with rounded chamfers.