Anti-deviation device for PVC pipe production

Abstract

The utility model discloses an anti-deviation device for PVC pipe production, which comprises a base plate, a first U-shaped frame, a second U-shaped frame and an annular pipe, a PVC pipe body and a clamping assembly are arranged in the middle of the annular pipe, the clamping assembly comprises flow dividing pipes which are annularly arranged in the annular pipe at equal intervals, I-shaped wheels are arranged in the flow dividing pipes, and the I-shaped wheels are arranged in the annular pipe. A piston rod is arranged in the flow dividing pipe, one end of the piston rod is connected with the I-shaped wheel, a mounting sleeve is arranged in the middle of the other end of the piston rod, and a mounting column is slidably arranged on the inner wall of the mounting sleeve. Through mutual cooperation of an annular pipe, a first gas one-way valve, a first gas guide pipe and a clamping assembly, a gas uniform pressure applying mode is utilized, on one hand, a PVC pipe can be quickly centered and fixed, the possibility that the PVC pipe deviates in the cutting process is reduced, on the other hand, PVC pipes of different specifications can be clamped and limited, and the cutting efficiency is improved. Therefore, different use requirements are met.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipe production, and particularly relates to a deviation prevention device for PVC pipe production. Background Art

[0002] Polyvinyl chloride, abbreviated as PVC in English, is a polymer formed by the polymerization of vinyl chloride monomer (VCM) in the presence of initiators such as peroxides and azo compounds or under the action of light or heat according to the free radical polymerization mechanism. There are two types of PVC: hard and soft. Among them, hard PVC is not only used for building pipes, doors and windows, but also for making plastic bottles, packaging, bank cards or membership cards. In addition, adding plasticizers can make PVC softer and more elastic, and it can be used for pipes, cable insulation, flooring, signs, phonograph records, inflatable products and rubber substitutes.

[0003] At present, in the production process of PVC pipes, it is necessary to cut the PVC pipes according to their use length. During this period, in order to keep the PVC pipes in the correct moving track, the staff needs to use an anti-deviation device to limit and guide the PVC pipes. When the existing anti-deviation device for PVC pipe production is used, it is difficult to clamp and limit PVC pipes of different specifications due to the fixed curvature of the clamp. Therefore, an anti-deviation device for PVC pipe production is provided. Utility Model Content

[0004] The utility model aims to provide a device for preventing deviation in the production of PVC pipes, so as to solve the technical problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: a device for preventing deviation of PVC pipe production, comprising a base plate, a first U-shaped frame, a second U-shaped frame and an annular pipe, a PVC pipe body is arranged in the middle of the annular pipe, a first air guide pipe for introducing external gas into the annular pipe is arranged at one end of the outside of the annular pipe, and a second air guide pipe for discharging the gas inside the annular pipe is arranged at the other end of the outside of the annular pipe, a first gas one-way valve is installed on the top of the first gas one-way valve, and the air inlet end of the first gas one-way valve is connected to the air outlet end of the external air pump through a hose, and also includes: a valve for discharging the PVC pipe body A clamping assembly for centering and fixing a body, the clamping assembly includes a shunt tube arranged in an annular shape and at equal intervals inside the annular tube, an I-shaped wheel is arranged inside the shunt tube, a rubber piston for sealing the joint is arranged in the middle of the I-shaped wheel, a piston rod is arranged inside the shunt tube, one end of the piston rod is connected to the I-shaped wheel, and a mounting sleeve is arranged in the middle of the other end of the piston rod, a mounting column is slidably arranged on the inner wall of the mounting sleeve, a pressure monitoring module is installed inside the mounting sleeve, a ball joint is fixedly arranged in the middle of an end of the outer wall of the mounting column away from the pressure monitoring module, and a spherical part is rollingly installed on the inner wall of the ball joint.

[0006] Preferably, the first U-shaped frame is fixedly arranged in the middle of the upper end surface of the base plate, the second U-shaped frame is slidably arranged in the middle of the inner wall of the first U-shaped frame, the annular tube is arranged in the upper middle of the second U-shaped frame, and a hydraulic telescopic rod for lifting the second U-shaped frame is arranged between the first U-shaped frame and the second U-shaped frame, the fixed end of the hydraulic telescopic rod is connected and assembled with the first U-shaped frame, and the output end of the hydraulic telescopic rod is connected and assembled with the second U-shaped frame.

[0007] Preferably, guide ribs are provided at both ends of the outside of the second U-shaped frame, and the guide ribs are integrally formed with the second U-shaped frame. Guide grooves are provided at both ends of the inside of the first U-shaped frame. A transfer rod for supporting and fixing the annular tube is provided between the second U-shaped frame and the annular tube, one end of the transfer rod is connected to the second U-shaped frame, and the other end of the transfer rod is connected to the annular tube.

[0008] Preferably, the second air duct and the first air duct are both connected to the annular tube, the inner cavities of the second air duct, the annular tube and the first air duct are connected, and a second gas one-way valve is installed at the bottom of the second air duct.

[0009] Preferably, the inner cavity of the shunt tube is connected to the inner cavity of the annular tube, the outer surface of the I-shaped wheel is gap-matched with the inner surface of the shunt tube, the rubber piston is slidably arranged with the shunt tube, and the piston rod, I-shaped wheel and shunt tube are coaxial.

[0010] Preferably, the inner wall of the diverter pipe is provided with a guide sleeve for guiding and limiting the piston rod, the guide sleeve is connected to the diverter pipe, the piston rod and the guide sleeve are slidably arranged, the inner wall of the guide sleeve is provided with limiting blocks at equal intervals in a ring shape, the limiting blocks and the guide sleeve are integrally formed, and the outer wall of the piston rod is provided with limiting grooves at the positions of each limiting block.

[0011] Preferably, a reset spring is provided between the guide sleeve and the I-shaped wheel for resetting and tightening the I-shaped wheel, one end of the reset spring is connected to the guide sleeve, and the other end of the reset spring is connected to the I-shaped wheel, the inner wall of the mounting sleeve is provided with convex teeth in a ring shape with equal intervals, the convex teeth are integrally formed with the mounting sleeve, and the outer wall of the mounting column is provided with grooves at the positions of each convex tooth.

[0012] The utility model provides a PVC pipe production anti-deviation device with the following advantages:

[0013] 1. The utility model cooperates with the annular tube, the first gas one-way valve, the first gas guide tube and the clamping assembly, and uses the method of uniform gas pressure to quickly center and fix the PVC tube, thereby reducing the possibility of the PVC tube deviating during the cutting process. On the other hand, it can clamp and limit PVC tubes of different specifications to meet different usage requirements.

[0014] 2. The utility model facilitates the staff to flexibly adjust the position of the annular tube through the cooperation of the first U-shaped frame, the guide groove, the hydraulic telescopic rod, the second U-shaped frame and the guide ribs, so as to facilitate the next step of centering and fixing the PVC tube. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a plane cross-sectional view of the annular tube of the utility model;

[0018] Figure 3 It is a plane cross-sectional view of the shunt pipe and the installation sleeve of the utility model;

[0019] Figure 4 It is a partial structural sectional view of the utility model.

[0020] Explanation of marks in the figure: 1. Base plate; 2. First U-shaped frame; 201. Guide groove; 3. Hydraulic telescopic rod; 4. Second U-shaped frame; 401. Guide rib; 402. Adapter rod; 5. Ring tube; 501. First gas one-way valve; 502. First air guide tube; 503. Second air guide tube; 504. Second gas one-way valve; 6. PVC pipe body; 7. Clamping assembly; 701. Diverter tube; 702. I-shaped wheel; 703. Rubber piston; 704. Return spring; 705. Guide sleeve; 706. Piston rod; 707. Mounting sleeve; 708. Ball joint; 709. Spherical part; 710. Mounting column; 711. Pressure monitoring module; 712. Limiting groove; 713. Protruding tooth; 714. Limiting block; 715. Groove. DETAILED DESCRIPTION

[0021] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0022] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc. indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0024] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0025] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present utility model. In order to simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0026] In order to better understand the purpose, structure and function of the utility model, the following is a further detailed description of the utility model of a PVC pipe production anti-deviation device in combination with the accompanying drawings.

[0027] like Figure 1-4As shown, the utility model is a PVC pipe production anti-deviation device, comprising a base plate 1, a first U-shaped frame 2, a second U-shaped frame 4 and an annular tube 5, the first U-shaped frame 2 is fixedly arranged in the middle of the upper end surface of the base plate 1, the second U-shaped frame 4 is slidably arranged in the middle of the inner wall of the first U-shaped frame 2, the annular tube 5 is arranged in the upper middle of the second U-shaped frame 4, and is used to gather gas, and a PVC pipe body 6 is arranged in the middle of the annular tube 5. The device also includes: a clamping component 7 for centering and fixing the PVC pipe body 6.

[0028] Among them, a hydraulic telescopic rod 3 for lifting the second U-shaped frame 4 is arranged between the first U-shaped frame 2 and the second U-shaped frame 4, the fixed end of the hydraulic telescopic rod 3 is connected and assembled with the first U-shaped frame 2, and the output end of the hydraulic telescopic rod 3 is connected and assembled with the second U-shaped frame 4, the outer ends of the second U-shaped frame 4 are provided with guide ribs 401, the guide ribs 401 and the second U-shaped frame 4 are integrally formed, and the inner ends of the first U-shaped frame 2 are provided with guide grooves 201, which are used to cooperate with the guide ribs 401 to guide and limit the second U-shaped frame 4 during the lifting process, and a transfer rod 402 for supporting and fixing the annular tube 5 is arranged between the second U-shaped frame 4 and the annular tube 5, and one end of the transfer rod 402 is connected to the second U-shaped frame 4, The other end of the adapter rod 402 is connected to the annular tube 5, and a first air pipe 502 for introducing external gas into the annular tube 5 is provided at one external end of the annular tube 5, and a second air pipe 503 for discharging the internal gas of the annular tube 5 is provided at the other external end of the annular tube 5, the second air pipe 503 and the first air pipe 502 are both connected to the annular tube 5, the inner cavity of the second air pipe 503, the inner cavity of the annular tube 5, and the inner cavity of the first air pipe 502 are connected, a second gas one-way valve 504 is installed at the bottom of the second air pipe 503, and a first gas one-way valve 501 is installed at the top of the first air pipe 502, and the air inlet end of the first gas one-way valve 501 is connected to the air outlet end of the external air pump through a hose.

[0029] Specifically, the clamping assembly 7 includes a shunt pipe 701 arranged in an annular shape and at equal intervals inside the annular pipe 5, the inner cavity of the shunt pipe 701 is connected to the inner cavity of the annular pipe 5, a work-shaped wheel 702 is arranged inside the shunt pipe 701, the outer surface of the work-shaped wheel 702 is arranged with a clearance fit with the inner surface of the shunt pipe 701, a rubber piston 703 for sealing the joint is arranged in the middle of the work-shaped wheel 702, the rubber piston 703 is slidably arranged with the shunt pipe 701, a piston rod 706 is arranged inside the shunt pipe 701, and a movable The plug rod 706, the work wheel 702, and the shunt tube 701 are coaxial, and the inner wall of the shunt tube 701 is provided with a guide sleeve 705 for guiding and limiting the piston rod 706, the guide sleeve 705 is connected to the shunt tube 701, the piston rod 706 and the guide sleeve 705 are slidably arranged, and a reset spring 704 for resetting and fastening the work wheel 702 is provided between the guide sleeve 705 and the work wheel 702, one end of the reset spring 704 is connected to the guide sleeve 705, and the other end of the reset spring 704 is connected to the work wheel 702 is connected, one end of the piston rod 706 is connected to the work wheel 702, and a mounting sleeve 707 is arranged in the middle of the other end of the piston rod 706, and a mounting column 710 is slidably arranged on the inner wall of the mounting sleeve 707, and a pressure monitoring module 711 is installed inside the mounting sleeve 707 for real-time monitoring of the extrusion pressure between the mounting sleeve 707 and the mounting column 710, and a ball joint 708 is fixedly arranged in the middle of one end of the outer wall of the mounting column 710 away from the pressure monitoring module 711, and a spherical member is rollingly installed on the inner wall of the ball joint 708 709, the inner wall of the guide sleeve 705 is provided with limiting blocks 714 at equal intervals in a ring shape, and the limiting blocks 714 are integrally formed with the guide sleeve 705. The outer wall of the piston rod 706 is provided with limiting grooves 712 at the positions of the limiting blocks 714. The inner wall of the mounting sleeve 707 is provided with convex teeth 713 at equal intervals in a ring shape, and the convex teeth 713 are integrally formed with the mounting sleeve 707. The outer wall of the mounting column 710 is provided with grooves 715 at the positions of the convex teeth 713, which are used to cooperate with the convex teeth 713 to guide and limit the mounting column 710.

[0030] According to the above, the utility model cooperates with the annular tube 5, the first gas one-way valve 501, the first air guide tube 502 and the clamping assembly 7, and utilizes the method of uniform gas pressure. On the one hand, it can quickly center and fix the PVC tube to reduce the possibility of the PVC tube running off during the cutting process. On the other hand, it can clamp and limit PVC tubes of different specifications to meet different usage requirements; the utility model cooperates with the first U-shaped frame 2, the guide groove 201, the hydraulic telescopic rod 3, the second U-shaped frame 4 and the guide rib 401, so that the staff can flexibly adjust the position of the annular tube 5, which is convenient for the next step of centering and fixing the PVC tube.

[0031] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A device for preventing deviation in PVC pipe production, characterized in that: The invention comprises a base plate (1), a first U-shaped frame (2), a second U-shaped frame (4) and an annular tube (5), wherein a PVC tube body (6) is arranged in the middle of the annular tube (5), a first air guide pipe (502) for introducing external gas into the annular tube (5) is arranged at one end outside the annular tube (5), and a second air guide pipe (503) for discharging the internal gas of the annular tube (5) is arranged at the other end outside the annular tube (5), a first gas check valve (501) is installed at the top of the first gas check valve (502), and the air inlet end of the first gas check valve (501) is connected to the air outlet end of an external air pump through a hose, and further comprises: a clamping assembly (7) for centering and fixing the PVC tube body (6), wherein the clamping assembly (7) comprises two ring-shaped and evenly spaced air guide pipes arranged inside the annular tube (5). A shunt pipe (701) is provided inside the shunt pipe (701), a work wheel (702) is provided inside the work wheel (702), a rubber piston (703) for sealing the joint is provided in the middle of the work wheel (702), a piston rod (706) is provided inside the shunt pipe (701), one end of the piston rod (706) is connected to the work wheel (702), and a mounting sleeve (707) is provided in the middle of the other end of the piston rod (706), a mounting column (710) is slidably provided on the inner wall of the mounting sleeve (707), a pressure monitoring module (711) is installed inside the mounting sleeve (707), a ball joint (708) is fixedly provided in the middle of the outer wall of the mounting column (710) away from the pressure monitoring module (711), and a spherical part (709) is rotatably installed on the inner wall of the ball joint (708).

2. The device for preventing deviation of PVC pipe production according to claim 1, characterized in that: The first U-shaped frame (2) is fixedly arranged in the middle of the upper end surface of the base plate (1); the second U-shaped frame (4) is slidably arranged in the middle of the inner wall of the first U-shaped frame (2); the annular tube (5) is arranged in the middle of the upper part of the second U-shaped frame (4); a hydraulic telescopic rod (3) for lifting the second U-shaped frame (4) is arranged between the first U-shaped frame (2) and the second U-shaped frame (4); the fixed end of the hydraulic telescopic rod (3) is connected and assembled with the first U-shaped frame (2), and the output end of the hydraulic telescopic rod (3) is connected and assembled with the second U-shaped frame (4).

3. The device for preventing deviation of PVC pipe production according to claim 2, characterized in that: Guide ribs (401) are provided at both ends of the exterior of the second U-shaped frame (4), and the guide ribs (401) and the second U-shaped frame (4) are integrally formed; guide grooves (201) are provided at both ends of the interior of the first U-shaped frame (2); a transfer rod (402) for supporting and fixing the annular tube (5) is provided between the second U-shaped frame (4) and the annular tube (5); one end of the transfer rod (402) is connected to the second U-shaped frame (4), and the other end of the transfer rod (402) is connected to the annular tube (5).

4. The device for preventing deviation of PVC pipe production according to claim 1, characterized in that: The second air guide tube (503) and the first air guide tube (502) are both connected to the annular tube (5); the inner cavity of the second air guide tube (503), the inner cavity of the annular tube (5), and the inner cavity of the first air guide tube (502) are connected; and a second gas one-way valve (504) is installed at the bottom of the second air guide tube (503).

5. The device for preventing deviation in PVC pipe production according to claim 1, characterized in that: The inner cavity of the shunt tube (701) is connected to the inner cavity of the annular tube (5); the outer surface of the I-shaped wheel (702) is arranged to be clearance-matched with the inner surface of the shunt tube (701); the rubber piston (703) is slidably arranged with the shunt tube (701); and the piston rod (706), the I-shaped wheel (702), and the shunt tube (701) are coaxial.

6. The device for preventing deviation in PVC pipe production according to claim 1, characterized in that: The inner wall of the shunt pipe (701) is provided with a guide sleeve (705) for guiding and limiting the piston rod (706); the guide sleeve (705) is connected to the shunt pipe (701); the piston rod (706) and the guide sleeve (705) are slidably arranged; the inner wall of the guide sleeve (705) is provided with limiting blocks (714) at equal intervals in a ring shape; the limiting blocks (714) and the guide sleeve (705) are integrally formed; and the outer wall of the piston rod (706) is provided with limiting grooves (712) at the positions of the limiting blocks (714).

7. The device for preventing deviation in PVC pipe production according to claim 6, characterized in that: A reset spring (704) for resetting and fastening the industrial wheel (702) is arranged between the guide sleeve (705) and the industrial wheel (702); one end of the reset spring (704) is connected to the guide sleeve (705), and the other end of the reset spring (704) is connected to the industrial wheel (702); the inner wall of the mounting sleeve (707) is provided with convex teeth (713) at equal intervals in a ring shape; the convex teeth (713) and the mounting sleeve (707) are integrally formed; and the outer wall of the mounting column (710) is provided with grooves (715) at the positions of the convex teeth (713).

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