CN215550823U

CN215550823U - Pipe out-of-round correcting device

Info

Publication number: CN215550823U
Application number: CN202121997145.5U
Authority: CN
Inventors: 李强
Original assignee: Hubei Kai Ke Plastics Industry Co ltd
Current assignee: Hubei Kai Ke Plastics Industry Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-01-18
Anticipated expiration: 2031-08-23

Abstract

The utility model relates to the technical field of pipe production, and discloses a pipe out-of-round correction device which comprises an extruder body, wherein four supporting devices are arranged at the outlet end of the extruder body, the end parts of the supporting devices are abutted against the outer wall of a pipe, the four supporting devices are respectively arranged on the left side, the right side, the left lower side and the right lower side of the pipe, each supporting device comprises a fixing plate, a screw rod, a connecting plate and a supporting roller, the fixing plate is fixed at the outlet end part of the extruder body through a locking bolt, the screw rod penetrates through the fixing plate and is rotatably connected with the fixing plate, the connecting plate is fixed at one end, close to the pipe, of the screw rod, and the supporting roller is arranged in the connecting plate through a rotating shaft. According to the pipe out-of-round correction device provided by the utility model, the supporting device is arranged at the outlet of the device, so that the problem that the plastic pipe is easy to deform under the action of residual temperature and gravity when the plastic pipe is just extruded is effectively solved.

Description

Pipe out-of-round correcting device

Technical Field

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

Background

Extrusion molding is a processing method for manufacturing products or semi-products with various sections by continuously passing through a machine head while materials are heated and plasticized and being pushed forward by a screw under the action of a charging barrel and the screw of an extruder. The extrusion forming process mainly comprises the processes of feeding, melting and plasticizing, extrusion forming, shaping, cooling and the like.

The utility model discloses a china utility model patent of current publication number CN212331754U discloses a PE tubular product production extruder, including being used for fixed frame, fix the head tank that is used for holding the PE material at the top of frame, and set up the moulding pipeline on the top of frame, the bottom mounting of head tank has the heating cauldron, the bottom fixedly connected with pipe of heating cauldron, the output of pipe sets up the conveyer pipe, the one end that the conveyer pipe is close to the pipe is fixed with the force (forcing) pump, the inboard fixed moulding pipeline of one end of force (forcing) pump is kept away from to the conveyer pipe, the one end outside that moulding pipeline was kept away from to the conveyer pipe has set gradually the cooling bath, automatic cutout machine, and length sensor, the bottom that one side of frame was kept away from to the conveyer pipe is provided with the conveyer belt.

The existing pipe extruder is required to be carried out in a high-temperature and high-pressure environment in the working process, although the pipe can be cooled and shaped through cooling water, the plastic pipe is difficult to ensure to be rapidly cooled to the room temperature after being extruded, and because the outlet of the existing pipe extruder is not provided with a supporting device, the plastic pipe just extruded is easy to deform under the action of residual temperature and gravity, so that the pipe is out of round, and the using effect of the pipe is further influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a pipe out-of-round correction device, which effectively solves the problem that a plastic pipe is easy to deform under the action of residual temperature and gravity when the plastic pipe is just extruded by arranging a supporting device at an equipment outlet.

The technical purpose of the utility model is realized by the following technical scheme: the utility model provides a tubular product out of roundness correcting unit, includes the extruder organism, the exit end of extruder organism is provided with four strutting arrangement, strutting arrangement's tip and tubular product outer wall butt, four strutting arrangement sets up respectively the left side, right side, left side below and the right side below of tubular product.

Through adopting above-mentioned technical scheme, plastics tubular product is after the cooling device cooling of extruder is stereotyped, under the effect of tractor, from the export end ejection of compact of extruder organism, through set up strutting arrangement in the left and right sides of tubular product, provide the holding power to tubular product, can effectively avoid tubular product the problem that warp under the effect of surplus warm gravity, also set up strutting arrangement in the left and right sides of tubular product simultaneously, can avoid tubular product to take place the problem of lateral deformation under left side below and right side below strutting arrangement's effect. According to the pipe out-of-round correction device, the four groups of supporting devices are arranged on the left side, the right side, the left lower side and the right lower side of the pipe at the same time, and under the synergistic effect, the problem of deformation of the pipe in the vertical direction or the horizontal direction can be effectively solved, so that the roundness of the produced pipe is ensured, and the overall quality and the appearance of the pipe are improved.

As a further arrangement of the utility model, the supporting device comprises a fixed plate, a screw rod, a connecting plate and a supporting roller, the fixed plate is fixed at the outlet end of the extruder body through a locking bolt, the screw rod passes through the fixed plate and is rotatably connected with the fixed plate, the connecting plate is fixed at one end of the screw rod close to the pipe, an opening is arranged at one side of the connecting plate close to the pipe, the supporting roller is arranged in the connecting plate through a rotating shaft, and the outer wall of the supporting roller is abutted against the outer wall of the pipe.

As a further arrangement of the utility model, two ends of the rotating shaft are fixedly connected with the connecting plate through bolts, and the supporting rollers are sleeved on the rotating shaft.

As a further arrangement of the utility model, the outer wall of the supporting roller is provided with an arc concave surface along the axial direction, and the shape of the arc concave surface is matched with that of the outer wall of the pipe.

As a further arrangement of the present invention, the support rollers are plastic rollers.

As a further arrangement of the utility model, one end of the fixing plate, which is far away from the pipe, is provided with a handle, and the handle is rotationally connected with the screw rod.

The utility model has the beneficial effects that:

1. according to the pipe out-of-round correction device, the four groups of supporting devices are arranged on the left side, the right side, the left lower side and the right lower side of the pipe at the same time, and under the synergistic effect, the problem of deformation of the pipe in the vertical direction or the horizontal direction can be effectively solved, so that the roundness of the produced pipe is ensured, and the overall quality and the appearance of the pipe are improved.

2. The arrangement of the screw rod facilitates the adjustment of the supporting roller according to the pipes with different diameters, so that the supporting roller is abutted against the outer wall of the pipe, the supporting effect on the pipes with different diameters is realized, the application range of the pipe out-of-round correcting device is expanded, and the operation is simple and convenient; the friction between the supporting rollers and the tubular product is reduced, so that the tubular product can be smoothly discharged, and meanwhile, the outer surface of the tubular product is prevented from being abraded.

3. The two ends of the rotating shaft are detachably connected with the connecting plate through bolts, so that the supporting rollers can be conveniently replaced according to pipes with different diameters, the arc concave surfaces of the supporting rollers are matched with the outer walls of the pipes, and a better supporting effect is provided for the pipes; the supporting roller is a plastic roller with certain hardness, so that a stable supporting effect on the pipe can be ensured, the outer wall of the pipe is protected, and the outer surface of the pipe is prevented from being scratched.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic view of the overall structure of a pipe out-of-round correction device according to the present invention;

FIG. 2 is an enlarged partial schematic view at A of FIG. 1;

FIG. 3 is a front view of the device for correcting the out-of-round pipe shape according to the present invention;

FIG. 4 is a schematic structural diagram of a supporting device of the apparatus for correcting out-of-round pipe shape.

In the figure, 1, an extruder body; 2. a support device; 3. a pipe; 4. a fixing plate 41, a locking bolt; 5. a screw; 6. a connecting plate; 7. supporting the rollers; 8. a rotating shaft; 9. a handle.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to specific embodiments. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention.

Referring to fig. 1 and 3, the pipe out-of-round correction device comprises an extruder body 1, wherein four supporting devices 2 are arranged at the outlet end of the extruder body 1, the end parts of the supporting devices 2 are abutted to the outer wall of a pipe 3, and the four supporting devices 2 are respectively arranged on the left side, the right side, the left lower side and the right lower side of the pipe 3. After the plastic pipe 3 is cooled and shaped by the cooling device of the extruder, under the action of the tractor, the plastic pipe is discharged from the outlet end of the extruder body 1, the supporting devices 2 are arranged on the left side and the right side of the pipe 3 to provide supporting force for the pipe 3, so that the problem that the pipe 3 deforms under the action of residual heat and gravity can be effectively solved, the supporting devices 2 are also arranged on the left side and the right side of the pipe 3, and the problem that the pipe 3 deforms transversely under the action of the supporting devices 2 on the left lower side and the right lower side can be solved. According to the pipe out-of-round correction device, the four groups of supporting devices 2 are arranged on the left side, the right side, the left lower side and the right lower side of the pipe 3 at the same time, and under the synergistic effect, the problem of deformation of the pipe 3 in the vertical direction or the horizontal direction can be effectively solved, so that the roundness of the produced pipe 3 is ensured, and the overall quality and the appearance of the pipe 3 are improved.

Referring to fig. 2 and 4, the supporting device 2 includes a fixing plate 4, a screw rod 5, a connecting plate 6 and a supporting roller 7, the fixing plate 4 is fixed at the outlet end of the extruder body 1 through a locking bolt 41, the screw rod 5 passes through the fixing plate 4 and is rotatably connected with the fixing plate 4, one end of the screw rod 5 close to the pipe 3 is fixed with the connecting plate 6, one side of the connecting plate 6 close to the pipe 3 is provided with an opening, the supporting roller 7 is arranged in the connecting plate 6 through a rotating shaft 8, and the outer wall of the supporting roller 7 is abutted to the outer wall of the pipe 3. The setting of screw rod 5 is convenient for adjust supporting roller 7 according to tubular product 3 of different diameters to make supporting

roller

7 and 3 outer wall butts of tubular product, realize the supporting role to different diameter tubular product 3, enlarged tubular product out of round correcting unit's application scope, easy operation is convenient. The fixed plate 4 is fixed at the outlet end part of the extruder body 1 through the locking bolt 41, so that the detachable connection of the supporting device 2 and the extruder body 1 is realized, and when the supporting device 2 is damaged, the installation and the replacement are convenient.

Referring to fig. 2, the two ends of the rotating shaft 8 are fixedly connected with the connecting plate 6 through bolts, the supporting rollers 7 are sleeved on the rotating shaft 8, the supporting rollers 7 are rotatably connected with the connecting plate 6 through the rotating shaft 8, and when the plastic pipe 3 is discharged under the action of the tractor, the supporting rollers 7 synchronously rotate under the action of the pipe 3, so that the friction force between the supporting rollers and the pipe 3 is reduced, the pipe 3 is smoothly discharged, and meanwhile, the outer surface of the pipe 3 is prevented from being abraded. The outer wall of supporting roller 7 is provided with the circular arc concave surface along axial direction, and the circular arc concave surface guarantees the supporting role to tubular product 3 with 3 outer wall shape phase-matchs of tubular product, and 8 both ends of pivot are passed through the bolt and are realized dismantling with connecting plate 6 and be connected, are convenient for change supporting roller 7 according to tubular product 3 of different diameters, make supporting roller 7's circular arc concave surface and 3 outer wall phase-matchs of tubular product, provide better supporting role to tubular product 3. Specifically, the supporting rollers 7 are plastic rollers with certain hardness, so that stable supporting effect on the pipe 3 can be ensured, the outer wall of the pipe 3 is protected, and the outer surface of the pipe 3 is prevented from being scratched.

Specifically, the one end that tubular product 3 was kept away from to fixed plate 4 is provided with handle 9, and handle 9 rotates with screw rod 5 to be connected, when tubular product 3 according to different diameters was adjusted the interval of supporting roller 7, rotates handle 9, drives screw rod 5 and rotates in step to make supporting roller 7 be close to until with tubular product 3 outer wall butt to tubular product 3. The handle 9 is arranged, so that the gripping of workers is facilitated, and the operation is convenient and labor-saving.

Claims

1. The utility model provides a tubular product out of roundness correcting unit, includes extruder organism (1), its characterized in that: the extruder is characterized in that the outlet end of the extruder body (1) is provided with four supporting devices (2), the end parts of the supporting devices (2) are abutted to the outer wall of the pipe (3), and the four supporting devices (2) are respectively arranged on the left side, the right side, the left lower side and the right lower side of the pipe (3).

2. The pipe out-of-round correction device of claim 1, characterized in that: strutting arrangement (2) are including fixed plate (4), screw rod (5), connecting plate (6) and supporting roller (7), fixed plate (4) are fixed through locking bolt (41) the export tip of extruder organism (1), screw rod (5) pass fixed plate (4) and with fixed plate (4) rotate to be connected, screw rod (5) are close to the one end of tubular product (3) is fixed with connecting plate (6), connecting plate (6) are close to one side of tubular product (3) is provided with the opening, supporting roller (7) set up through pivot (8) in connecting plate (6), just the outer wall of supporting roller (7) with the outer wall butt of tubular product (3).

3. The pipe out-of-round correction device of claim 2, characterized in that: the two ends of the rotating shaft (8) are fixedly connected with the connecting plate (6) through bolts, and the supporting rollers (7) are sleeved on the rotating shaft (8).

4. The pipe out-of-round correction device of claim 3, characterized in that: the outer wall of the supporting roller (7) is provided with an arc concave surface along the axial direction, and the arc concave surface is matched with the outer wall of the pipe (3) in shape.

5. The pipe out-of-round correction device of claim 2, characterized in that: the supporting rollers (7) are plastic rollers.

6. The pipe out-of-round correction device according to any one of claims 2 to 5, characterized in that: the fixing plate (4) is far away from one end of the pipe (3) and is provided with a handle (9), and the handle (9) is rotatably connected with the screw rod (5).