CN220129514U

CN220129514U - Pipe correcting device

Info

Publication number: CN220129514U
Application number: CN202321585360.3U
Authority: CN
Inventors: 黄英; 黄建平
Original assignee: Changsha Qihang Pipeline Co ltd
Current assignee: Changsha Qihang Pipeline Co ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-12-05
Anticipated expiration: 2033-06-20

Abstract

The utility model provides a pipe correcting device which comprises two sets of correcting mechanisms which are symmetrically arranged, wherein each set of correcting mechanism comprises a fixed plate, supporting arms, swinging arms, correcting rollers, a connecting rod, a universal connecting block, a rotating shaft and a screw rod, one end of each supporting arm is fixed on the fixed plate, the other end of each supporting arm extends outwards, one ends of the two swinging arms are respectively hinged to one ends of the two supporting arms, which are close to the fixed plate, the other ends of the two swinging arms are rotationally connected with the correcting rollers, two ends of the connecting rod are respectively arranged on the two swinging arms and are positioned between the hinged ends of the two swinging arms and the correcting rollers, the universal connecting block is arranged on the connecting rod, two ends of the rotating shaft are respectively rotationally connected to one ends of the two supporting arms, which are far away from the fixed plate, a screw hole is formed in the rotating shaft, the screw rod is in the screw hole of the rotating shaft, one end of the screw rod is in the universal connecting block, and one end, close to the universal connecting rod is provided with a screwing piece. The pipe correcting device has the advantages of convenience in adjustment, higher adjustment precision and rapider adjustment.

Description

Pipe correcting device

Technical Field

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

Background

The plastic pipe is made of synthetic resin, i.e. polyester, and is extruded in plastic pipe making machine, and is used mainly as water supply pipe, drainage, exhaust and sewage pipe, underground drainage pipe system, rain pipe, wire pipe, etc.

When the pipe extruder is used for producing large-caliber thick-wall plastic pipes, the plastic pipes extruded by the machine head are primarily cooled and shaped in the vacuum shaping section, then enter the spray cooling section, and finally are cooled and shaped. When the production speed of the pipe is higher, the pipe which is not completely cooled comes out of the vacuum shaping section, and the pipe can deform after losing the vacuum effect, so that the roundness is inconsistent, and the later installation and use effects of the product are affected.

In the pipe extruder in the prior art, a correcting roller is usually arranged to correct the roundness of the pipe. However, existing pipe straightening devices require the use of a wrench to screw the nut to adjust the spacing of the two straightening rollers. Thus, the operation is complicated, the adjustment precision is low, and the adjustment speed is low. Accordingly, there is a need for improvements over existing pipe correction devices.

Disclosure of Invention

In view of the above, the utility model provides a pipe correction device to solve the technical problems of complex operation, low adjustment precision and low adjustment speed.

The technical scheme of the utility model is as follows:

the utility model provides a pipe correcting device which comprises two sets of correcting mechanisms which are symmetrically arranged, wherein each set of correcting mechanism comprises a fixed plate, two support arms, two swing arms, correcting rollers, a connecting rod, a universal connecting block, a rotating shaft and a screw rod, the two support arms are arranged in parallel, one end of each support arm is fixed on the fixed plate, the other end of each support arm extends outwards, the two swing arms are arranged in parallel, one ends of the two swing arms are respectively hinged to one ends of the two support arms, which are close to the fixed plate, the correcting rollers are rotatably connected to the other ends of the two swing arms, the two ends of the connecting rod are respectively arranged on the two swing arms and between the hinged ends and the correcting rollers, the universal connecting block is arranged on the connecting rod, the two ends of the rotating shaft are respectively rotatably connected to one ends, which are far away from the fixed plate, a screw hole is formed in the rotating shaft, one end of the screw rod is connected to the universal connecting block in a universal mode, one end, which is close to the universal connecting block is provided with a hand screwing piece, and the hand-held rotating screw rod drives the swing arm to rotate, so that the distance between the two correcting rollers can be adjusted.

Further, a ball hole is formed in the universal connecting block, a universal ball is arranged at one end of the screw rod, and the universal ball is movably arranged in the ball hole.

Further, the screw rod comprises a thread section and a connecting section which are fixedly connected, the hand-twisting piece and the connecting section are respectively fixed at two ends of the thread section, and the universal ball is fixed on the connecting section.

Further, the outer diameter of the connection section is smaller than the outer diameter of the threaded section.

Further, the length of the connection section is smaller than the length of the threaded section.

Further, the universal connecting block is fixedly connected to the rotating shaft and positioned between the two swing arms; or the universal connecting block is rotationally connected to the rotating shaft and positioned between the two swing arms.

Further, the connecting rod is fixedly connected to the two swing arms; or the connecting rod is rotatably connected to the two swing arms.

Further, the fixing plate is a circular arc plate, and the circular arc plate is provided with a circular arc groove for fixing and installing through bolts.

Further, the outer peripheral surface of the correcting roller is provided with an arc-shaped surface matched with the outer peripheral surface of the pipe, and a circular correcting space for the pipe to pass through is formed between the two correcting rollers.

Further, the hand twisting piece adopts a hand wheel or a wrenching rod penetrating through the screw rod.

The utility model has the beneficial effects that:

compared with the prior art, the pipe correcting device provided by the utility model has the advantages that the screw is in threaded connection with the rotatable rotating shaft, one end of the screw is connected onto the universal connecting block in a universal way, and the other end of the screw is provided with the hand-screwing piece. The screw rod is rotated by the hand-held hand-screwed piece and axially moves along the screw hole of the rotating shaft, so that the swing arm is driven to rotate by the universal connecting block, and the distance between the two correcting rollers is adjusted. Like this, because the screw rod both ends all have the space of activity rotation, can cooperate the swing arm to carry out smooth and easy rotation, reduced the resistance of screw rod rotation regulation in-process, have and adjust convenient, adjust the higher, the faster advantage of regulation precision.

The preferred embodiments of the present utility model and their advantageous effects will be described in further detail with reference to specific embodiments.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model, and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the description serve to explain the utility model. In the drawings of which there are shown,

FIG. 1 is a perspective view of a pipe orthotic device according to the present utility model;

FIG. 2 is a front view of the pipe orthotic device of the present utility model;

fig. 3 is a top view of the pipe orthotic device of the present utility model.

Reference numerals illustrate: the fixing plate 11, the support arm 12, the swing arm 13, the correction roller 14, the connecting rod 15, the universal connecting block 16, the rotating shaft 17, the screw 18, the hand-twisting piece 19, the universal ball 181, the threaded section 182 and the connecting section 183.

Detailed Description

The following describes specific embodiments of the present utility model in detail with reference to the drawings. It should be understood that the detailed description and specific examples, while indicating and illustrating the utility model, are not intended to limit the utility model.

Referring to fig. 1 to 3, the present utility model provides a pipe correction device, which includes two sets of correction mechanisms 1 symmetrically arranged. Each set of correction mechanism 1 comprises a fixed plate 11, a support arm 12, a swing arm 13, a correction roller 14, a connecting rod 15, a universal connecting block 16, a rotating shaft 17 and a screw 18. The two support arms 12 are arranged in parallel, one end of each support arm 12 is fixed on the fixed plate 11, and the other end of each support arm 12 extends outwards. The swing arms 13 are arranged in parallel, one ends of the two swing arms 13 are respectively hinged to one ends of the two support arms 12, which are close to the fixed plate 11, the other ends of the two swing arms 13 are rotatably connected with the correction roller 14, and two ends of the connecting rod 15 are respectively arranged on the two swing arms 13 and positioned between the hinged ends of the two swing arms and the correction roller 14. The universal connecting block 16 is installed on the connecting rod 15, and the pivot 17 both ends are rotated respectively and are connected on two support arms 12 and keep away from the one end of fixed plate 11, have seted up the screw in the pivot 17, and screw 18 spiro union is in the screw of pivot 17, and screw 18 one end universal connection in universal connecting block 16, and the one end that is close to universal connecting block 16 on the screw 18 has hand piece 19 to the rotatory screw 18 of hand drives swing arm 13 rotation, thereby adjusts the interval between two correction rollers 14.

The utility model provides a pipe correcting device, wherein a screw rod 18 is in threaded connection with a rotatable rotating shaft 17, one end of the screw rod 18 is connected with a universal connecting block 16 in a universal way, and the other end of the screw rod 18 is provided with a hand-screwing piece 19. The screw 18 is rotated by holding the hand-screwing piece 19, and the screw 18 moves along the screw hole axial direction of the rotating shaft 17, so that the swing arm 13 is driven to rotate by the universal connecting block 16, and the distance between the two correcting rollers 14 is adjusted. Like this, because screw rod 18 both ends all have the space of activity rotation, can cooperate swing arm 13 to carry out smooth and easy rotation, reduced the resistance in the screw rod 18 rotation adjustment process, have adjust convenient, adjust the precision higher, adjust faster advantage.

In this embodiment, the fixing plate 11 is a circular arc plate so as to be fitted and fixed to the outer peripheral side of the nozzle at one end of the cooling box. The arc-shaped plate is provided with an arc-shaped groove for fixing and installing through the bolt.

In this embodiment, the universal connection block 16 is provided with a ball hole, one end of the screw 18 is provided with a universal ball 181, and the universal ball 181 is movably installed in the ball hole. Specifically, the screw 18 includes a threaded section 182 and a connecting section 183 that are fixedly connected, the hand screw 19 and the connecting section 183 are respectively fixed at two ends of the threaded section 182, and the universal ball 181 is fixed on the connecting section 183. Preferably, the outer diameter of the connecting section 183 is smaller than the outer diameter of the threaded section 182. The length of the connecting section 183 is less than the length of the threaded section 182.

The universal connecting block 16 can be fixedly connected to the rotating shaft 17 and is positioned between the two swing arms 13; or rotatably connected to the rotation shaft 17 and located between the two swing arms 13. The connecting rod 15 may be fixedly connected to the two swing arms 13 or rotatably connected to the two swing arms 13.

The outer peripheral surface of the correcting roller 14 is provided with an arc-shaped surface matched with the outer peripheral surface of the pipe, and a circular correcting space for the pipe to pass through is formed between the two correcting rollers 14.

In this embodiment, the hand wheel is used for the hand screw 19. In addition, the hand screw 19 may be a spanner rod penetrating the screw 18.

The support arms 12 of the two sets of correction mechanisms 1 are respectively arranged on the fixed plate 11 in an eight shape, and the swing arms 13 of the two sets of correction mechanisms 1 are respectively and symmetrically arranged on the inner sides of the support arms 12 of the two sets of correction mechanisms 1.

When the pipe straightening device works, a pipe to be machined is placed in a circular straightening space between two straightening rollers 14, and then a worker holds a hand-twisting piece 19 to rotate a screw rod 18, so that the screw rod 18 drives a swing arm 13 to rotate, the distance between the two straightening rollers 14 is adjusted, and the two straightening rollers 14 are respectively pressed on two sides of the pipe to be machined. Like this when tubular product removes, can carry out the whole circular operation to tubular product through the pressure that correction roller 14 brought to can guarantee tubular product circularity, make the quality of product better, and can not influence the normal production of equipment, have and adjust convenient, adjust the precision higher, adjust faster advantage.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying importance; the words "bottom" and "top", "inner" and "outer" refer to directions toward or away from, respectively, a particular component geometry.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the communication may be direct or indirect through an intermediate medium, or may be internal to two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Furthermore, in the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

The foregoing is only illustrative of the present utility model and is not to be construed as limiting thereof, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.

Claims

1. The utility model provides a tubular product orthotic devices, including two sets of correction mechanism (1) of symmetrical arrangement, a serial communication port, every set of correction mechanism (1) includes fixed plate (11), support arm (12), swing arm (13), correct roller (14), connecting rod (15), universal connecting block (16), pivot (17) and screw rod (18), support arm (12) parallel arrangement has two, every support arm (12) one end is fixed in on fixed plate (11), every support arm (12) other end outwards stretches out, swing arm (13) parallel arrangement has two, two swing arm (13) one end articulates respectively in the one end that is close to fixed plate (11) on two support arms (12), two swing arm (13) other end rotate and are connected with correct roller (14), connecting rod (15) both ends are installed respectively on two swing arm (13) and are located between its articulated end and correct roller (14), universal connecting block (16) are installed on connecting rod (15), screw hole (17) both ends are respectively rotated and are connected in two support arm (12) and are kept away from the one end of fixed plate (11), set up in pivot (17) respectively, screw hole (17) both ends are seted up in screw hole (17) and are connected in universal connecting block (16), one end of the screw rod (18) close to the universal connecting block (16) is provided with a hand-twisting piece (19) for driving the swing arm (13) to rotate by holding the rotating screw rod (18), so that the distance between the two correcting rollers (14) is adjusted.

2. The pipe correction device according to claim 1, characterized in that the universal connection block (16) is provided with a ball hole, one end of the screw (18) is provided with a universal ball (181), and the universal ball (181) is movably arranged in the ball hole.

3. The pipe correction device according to claim 2, characterized in that the screw (18) comprises a thread section (182) and a connecting section (183) which are fixedly connected, the hand screw (19) and the connecting section (183) are respectively fixed at two ends of the thread section (182), and the universal ball (181) is fixed on the connecting section (183).

4. A pipe correction device according to claim 3, characterized in that the outer diameter of the connecting section (183) is smaller than the outer diameter of the threaded section (182).

5. The pipe orthotic device according to claim 4, wherein the length of the connecting section (183) is less than the length of the threaded section (182).

6. Tube straightening device according to claim 1, characterized in that the universal connection block (16) is fixedly connected to the rotating shaft (17) and is located between the two swing arms (13); or the universal connecting block (16) is rotatably connected to the rotating shaft (17) and is positioned between the two swing arms (13).

7. Tube straightening device according to claim 1, characterized in that the connecting rod (15) is fixedly connected to two swing arms (13); or the connecting rod (15) is rotatably connected to the two swing arms (13).

8. The pipe correction device according to claim 1, characterized in that the fixing plate (11) is a circular arc plate, and the circular arc plate is provided with a circular arc groove for fixing and installing through a bolt.

9. The pipe straightening device according to claim 1, characterized in that the outer circumferential surface of the straightening rollers (14) is provided with an arc-shaped surface matched with the outer circumferential surface of the pipe, and a circular straightening space for the pipe to pass through is formed between the two straightening rollers (14).

10. Pipe correction device according to claim 1, characterized in that the hand screw (19) is a hand wheel or a spanner rod penetrating the screw (18).