Flaring device for PVC pipe production

Abstract

The utility model discloses a PVC pipe production flaring device which comprises a supporting base, connecting frames are arranged at the two ends of the inner wall of a first sliding groove in a sliding mode, arc-shaped wrapping frames are fixedly arranged at one ends of the two connecting frames, heating plates are fixedly arranged on the inner walls of the two arc-shaped wrapping frames, and a plurality of arc-shaped air outlet grooves are formed in one ends of the two connecting frames at equal intervals. And two fans are arranged on the inner walls of one ends of the two connecting frames. According to the pipeline flaring device, the first motor is started to enable the first double-thread lead screw to rotate, the connecting frame is in threaded connection with the first double-thread lead screw to enable the two arc-shaped wrapping frames to be close to and wrap the outer side of a port of a pipeline, after the heating plate heats the port to soften the port, the electric telescopic rod is started to clamp the flaring module into the inner wall of the pipeline to open and flaring the pipeline, and the heating plate is closed; and then the fan is started to blow air out of the arc-shaped air outlet groove to the surface of the pipeline port so that the pipeline port can be rapidly cooled and solidified, then the flaring module is removed, the pipeline flaring end is not prone to deformation, and meanwhile the machining efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC pipe processing, in particular to a PVC pipe production expanding device. Background Art

[0002] PVC pipe, a rigid polyvinyl chloride pipe, is made of polyvinyl chloride resin, stabilizer, lubricant, etc. and then extruded by hot pressing. It is the earliest plastic pipe developed and applied. In daily use, two PVC pipes with the same inner diameter are often required to be connected. In order to ensure that they can be connected smoothly, the connecting ports need to be expanded.

[0003] In view of this, Chinese Patent No. CN220638896U proposes a pipe expanding device for PVC pipe production. The utility model drives the slide cylinder to move and the motor to drive the square rod to rotate, so that the mounting plate drives the expanding plate to rotate, and heats the PVC pipe mouth by displacement of the heating strip, so that the PVC pipe mouth is softened, which is convenient for expanding the hole and avoids deformation of the PVC pipe mouth caused by continuous heating. However, when expanding the PVC pipe, the existing expanding device needs to use an expanding module to be inserted into the softened inner wall of the pipe. If the pipe is not cooled and solidified in time, the pipe mouth is easily deformed when the expanding mold is removed. If the pipe is waiting for cooling and solidification, the processing time of expanding is increased, which reduces production efficiency. Therefore, a pipe softening structure with a rapid cooling function is required. Utility Model Content

[0004] In order to solve the above problems, the purpose of the utility model is to provide a PVC pipe production expansion device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model proposes a PVC pipe production expansion device, comprising a support base, wherein a pipe softening mechanism with a rapid cooling function is arranged at the upper end of the support base;

[0006] The pipe softening mechanism with rapid cooling function includes a first slide groove opened in the middle position of one side of the inner wall of the supporting base, connecting frames are slidably provided at both ends of the inner wall of the first slide groove, arc-shaped wrapping frames are fixedly provided at one end of the two connecting frames, heating plates are fixedly provided on the inner walls of the two arc-shaped wrapping frames, a plurality of arc-shaped air outlet grooves are opened at equal distances at one end of the two connecting frames, two fans are arranged on the inner walls of one end of the two connecting frames, ventilation grooves are opened on one side of the two connecting frames, and dustproof nets are fixedly provided on the inner walls of the two ventilation grooves.

[0007] In one example, a first double-threaded screw is rotatably provided on the inner wall of the first slide groove, and the outer walls at both ends of the first double-threaded screw are respectively threadedly connected to the inner walls of the two connecting frames, a first motor is fixedly provided on one side of the top of the support base, and one end of the first double-threaded screw is fixedly connected to the output end of the first motor.

[0008] In one example, a mounting groove is provided at one end of the top of the support base, second sliding grooves are provided on both sides of one end of the mounting groove, and limiting grooves are provided on one side of the inner walls of the two second sliding grooves.

[0009] In one example, the inner walls of the two second sliding grooves are slidably provided with movable brackets, and the outer walls of one end of the two movable brackets are respectively interlaced and connected with the inner walls of the two limiting grooves, and one end of the two movable brackets is fixedly provided with an arc-shaped clamping plate.

[0010] In one example, a second double-threaded screw is rotatably provided at one end of the bottom of the mounting groove, and the outer walls at both ends of the second double-threaded screw are respectively threadedly connected to the inner walls of one side of the two movable brackets, and a second motor is fixedly provided on one side of the outer wall of the mounting groove.

[0011] In one example, one end of the second double-threaded screw is fixedly connected to the output end of the second motor, and an anti-slip pad is fixedly provided on one side of the two arc-shaped clamping plates.

[0012] In one example, an electric telescopic rod is fixedly provided on the other side of the inner wall of the support base, and a flaring module is provided at the output end of the electric telescopic rod.

[0013] In one example, a switch panel is fixedly provided on one side of the outer wall of the support base, and the heating plate, the first motor, the second motor, the fan and the electric telescopic rod are all electrically connected to the external power supply through the switch panel.

[0014] The PVC pipe production expansion device proposed by the utility model can bring the following beneficial effects:

[0015] 1. A PVC pipe production expansion device, start the first motor to rotate the first double-threaded screw rod and then connect it with the thread through the connecting frame so that two arc-shaped wrapping frames are wrapped close to the outside of the port of the pipe, start the heating plate to heat the port to soften it, start the electric telescopic rod to clamp the expansion module into the inner wall of the pipe to expand it, turn off the heating plate, and then turn on the fan to blow air through the arc-shaped air outlet slot to the surface of the pipe port to quickly cool down and solidify it, and then remove the expansion module, so that the expanded end of the pipe is not easy to deform, and the processing efficiency is also improved.

[0016] 2. This PVC pipe production expansion device, after placing the PVC pipe in the installation groove, starts the second motor to rotate the second double-threaded screw, and then moves the movable bracket with two arc-shaped clamping plates to clamp and fix it. There is no need for staff to manually clamp the pipe, and the inner side of the arc-shaped clamping plate is provided with an anti-slip pad to prevent it from wearing the pipe and also improve the firmness of the clamping, which is not easy to loosen and improves the convenience of using the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the connection between the connecting frame and the first sliding groove of the utility model;

[0020] Figure 3 This is a schematic diagram of the structure inside the connecting frame of the utility model;

[0021] Figure 4 It is a schematic diagram of the overall structure of the PVC pipe clamping mechanism of the utility model.

[0022] In the figure: 1. Support base; 2. First slide groove; 3. Connecting frame; 4. Arc-shaped parcel rack; 5. Heating plate; 6. Arc-shaped air outlet groove; 7. Fan; 8. Ventilation groove; 9. Dust-proof net; 10. First double-threaded screw; 11. First motor; 12. Mounting groove; 13. Second slide groove; 14. Limiting groove; 15. Moving bracket; 16. Arc-shaped clamping plate; 17. Second double-threaded screw; 18. Second motor; 19. Anti-skid pad; 20. Electric telescopic rod; 21. Expanding module. DETAILED DESCRIPTION

[0023] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0024] The examples are as follows:

[0025] The utility model provides Figure 1-4 A PVC pipe production expanding device shown includes a support base 1, and a pipe softening mechanism with a rapid cooling function is arranged at the upper end of the support base 1;

[0026] The pipeline softening mechanism with rapid cooling function comprises a first slide groove 2 opened in the middle position of one side of the inner wall of the support base 1, connecting frames 3 are slidably provided at both ends of the inner wall of the first slide groove 2, arc-shaped wrapping frames 4 are fixedly provided at one end of the two connecting frames 3, heating plates 5 are fixedly provided on the inner walls of the two arc-shaped wrapping frames 4, a plurality of arc-shaped air outlet slots 6 are opened at equal distances at one end of the two connecting frames 3, two fans 7 are arranged on the inner walls of one end of the two connecting frames 3, ventilation slots 8 are opened on one side of the two connecting frames 3, and two ventilation slots 8 are provided on the inner walls of the two connecting frames 3. The inner wall of the wind slot 8 is fixed with a dustproof net 9, and the inner diameter of the two arc-shaped wrapping frames 4 is relatively large. They are generally wrapped around the outside of the PVC pipe and do not contact the pipe to prevent the softened pipe from sticking to the heating plate 5. At the same time, when the fan 7 is started, the air intake through the ventilation slot 8 can make its air volume larger. The dustproof net 9 can prevent a large amount of dust from entering when the air intake. The arc-shaped air outlet slot 6 is arc-shaped, so that the airflow of the air outlet can blow on the outer wall of the PVC pipe with the largest area, so that the side facing away from the arc-shaped air outlet slot 6 can also be affected by cooling.

[0027] A first double-threaded screw 10 is rotatably provided on the inner wall of the first slide groove 2, and the outer walls at both ends of the first double-threaded screw 10 are respectively threadedly connected to the inner walls of the two connecting frames 3, and a first motor 11 is fixedly provided on one side of the top of the support base 1, and one end of the first double-threaded screw 10 is fixedly connected to the output end of the first motor 11;

[0028] Furthermore, a mounting groove 12 is provided at one end of the top of the support base 1, and second slide grooves 13 are provided on both sides of one end of the mounting groove 12, and a limiting groove 14 is provided on one side of the inner wall of the two second slide grooves 13.

[0029] The inner walls of the two second slide grooves 13 are slidably provided with movable brackets 15, and the outer walls of one end of the two movable brackets 15 are respectively connected with the inner walls of the two limit grooves 14, and one end of the two movable brackets 15 is fixed with an arc clamping plate 16, and the length of the installation groove 12 is sufficient so that most lengths of PVC pipes can be placed therein, and the arc clamping plates 16 at both ends of the pipe placed in the installation groove 12 can contact and clamp the surfaces on both sides thereof, and are not easy to fall off;

[0030] Furthermore, a second double-threaded screw 17 is rotatably provided at one end of the bottom of the installation groove 12, and the outer walls at both ends of the second double-threaded screw 17 are respectively threadedly connected to the inner walls of one side of the two movable brackets 15, and a second motor 18 is fixedly provided on one side of the outer wall of the installation groove 12.

[0031] One end of the second double-threaded screw 17 is fixedly connected to the output end of the second motor 18 , and an anti-slip pad 19 is fixedly provided on one side of the two arc-shaped clamping plates 16 .

[0032] An electric telescopic rod 20 is fixedly provided on the other side of the inner wall of the support base 1, and a flaring module 21 is provided at the output end of the electric telescopic rod 20. The anti-skid pads 19 on one side of the two arc-shaped clamping plates 16 not only prevent the pipeline from slipping and falling off, but also prevent wear. The flaring module 21 is connected to the output end of the electric telescopic rod 20 by a threaded connection, so that the flaring modules 21 of different diameters can be replaced according to PVC pipes with different inner diameters for insertion and flaring.

[0033] Working principle: When using the PVC pipe production expansion device in this design, first, the PVC pipe to be expanded needs to be placed inside the installation groove 12 so that the expanded end extends out of the installation groove 12, and after it is fixed with the clamping mechanism, the first motor 11 is started to rotate the first double-threaded screw 10 and then connected with it through the connecting frame 3 so that the two arc-shaped wrapping frames 4 are wrapped around the outside of the port of the pipe, the heating plate 5 is started to heat the port to soften it, and then the electric telescopic rod 20 is started to clamp the expansion module 21 into the inner wall of the pipe to expand it, the heating plate 5 is turned off, and then the fan 7 is turned on to make it pass through the arc The air from the shaped air outlet slot 6 blows on the surface of the pipe port to quickly cool it down and solidify it, and then the expanding module 21 is removed, so that the expanded end of the pipe is not easy to deform, and the processing efficiency is also improved. After the PVC pipe is placed through the installation slot 12, the second motor 18 is started to rotate the second double-threaded screw 17, so that the movable bracket 15 moves with the two arc-shaped clamping plates 16 to clamp and fix them. By using this clamping mechanism, there is no need for the staff to manually clamp the pipe, and the inner side of the arc-shaped clamping plate 16 is provided with an anti-slip pad 19 to prevent it from wearing the pipe and also improve the firmness of the clamping, which is not easy to loosen, thereby improving the convenience of using the device.

[0034] Each embodiment in this specification is described in a progressive manner, and the same or similar parts between the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can be referred to the partial description of the method embodiment.

[0035] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A PVC pipe production expansion device, comprising a support base (1), characterized in that: A pipeline softening mechanism with a rapid cooling function is provided at the upper end of the support base (1); The pipeline softening mechanism with rapid cooling function comprises a first slide groove (2) provided at the middle position of one side of the inner wall of the support base (1), connecting frames (3) are slidably provided at both ends of the inner wall of the first slide groove (2), arc-shaped wrapping frames (4) are fixedly provided at one end of the two connecting frames (3), heating plates (5) are fixedly provided on the inner walls of the two arc-shaped wrapping frames (4), a plurality of arc-shaped air outlet slots (6) are evenly spaced at one end of the two connecting frames (3), two fans (7) are provided on the inner walls of one end of the two connecting frames (3), ventilation slots (8) are provided on one side of the two connecting frames (3), and dustproof nets (9) are fixedly provided on the inner walls of the two ventilation slots (8).

2. A PVC pipe production expansion device according to claim 1, characterized in that: A first double-threaded screw (10) is rotatably provided on the inner wall of the first slide groove (2), and the outer walls at both ends of the first double-threaded screw (10) are respectively threadedly connected to the inner walls of the two connecting frames (3); a first motor (11) is fixedly provided on one side of the top end of the support base (1), and one end of the first double-threaded screw (10) is fixedly connected to the output end of the first motor (11).

3. A PVC pipe production expanding device according to claim 1, characterized in that: A mounting groove (12) is provided at one end of the top of the support base (1), second slide grooves (13) are provided on both sides of one end of the mounting groove (12), and limiting grooves (14) are provided on one side of the inner walls of the two second slide grooves (13).

4. A PVC pipe production expanding device according to claim 3, characterized in that: The inner walls of the two second sliding grooves (13) are both slidably provided with movable brackets (15), and the outer walls of one end of the two movable brackets (15) are respectively connected to the inner walls of the two limiting grooves (14) through insertion, and one end of the two movable brackets (15) is fixedly provided with an arc-shaped clamping plate (16).

5. A PVC pipe production expanding device according to claim 4, characterized in that: A second double-threaded screw (17) is rotatably provided at one end of the bottom of the installation groove (12), and the outer walls at both ends of the second double-threaded screw (17) are respectively threadedly connected to the inner walls of one side of the two movable brackets (15), and a second motor (18) is fixedly provided on one side of the outer wall of the installation groove (12).

6. A PVC pipe production expanding device according to claim 5, characterized in that: One end of the second double-threaded screw rod (17) is fixedly connected to the output end of the second motor (18), and one side of the two arc-shaped clamping plates (16) is fixedly provided with an anti-slip pad (19).

7. A PVC pipe production expanding device according to claim 1, characterized in that: An electric telescopic rod (20) is fixedly provided on the other side of the inner wall of the support base (1), and a flaring module (21) is provided at the output end of the electric telescopic rod (20).

8. A PVC pipe production expanding device according to claim 7, characterized in that: A switch panel is fixedly provided on one side of the outer wall of the support base (1), and the heating plate (5), the first motor (11), the second motor (18), the fan (7) and the electric telescopic rod (20) are all electrically connected to an external power source via the switch panel.

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