CN214188443U - Forming equipment for PVC-O pipe with preset steel skeleton rubber ring - Google Patents
Forming equipment for PVC-O pipe with preset steel skeleton rubber ring Download PDFInfo
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- CN214188443U CN214188443U CN202120052610.1U CN202120052610U CN214188443U CN 214188443 U CN214188443 U CN 214188443U CN 202120052610 U CN202120052610 U CN 202120052610U CN 214188443 U CN214188443 U CN 214188443U
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- flaring
- pipe
- rubber ring
- forming
- straight
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 44
- 239000010959 steel Substances 0.000 title claims abstract description 44
- 239000003292 glue Substances 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000001816 cooling Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000004026 adhesive bonding Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 3
- 230000035515 penetration Effects 0.000 abstract description 2
- 239000002184 metal Substances 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
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Abstract
The utility model provides a forming device of PVC-O pipe with a preset steel skeleton rubber ring, which comprises a straight flaring device and a preset rubber ring forming flaring device; a straight flaring die for flaring a straight flaring from the female end of the pipe is arranged in the straight flaring device, and the diameter of the straight flaring die is larger than the outer diameter of the pipe; a central guide pillar for expanding the straight flaring of the pipe out of an R-shaped flaring is arranged in the pre-glue forming flaring device, and a sleeving position for sleeving a steel wire framework rubber ring is arranged on the central guide pillar; in the process of presetting rubber ring forming flaring, because the straight flaring is preset, the penetration of the steel wire framework rubber ring is convenient, and the operation is convenient; meanwhile, the steel wire framework rubber ring and the flaring are molded into a whole during production, the rubber ring cannot be extruded and displaced during installation, the sealing performance of the joint is enhanced, and the use quality and the safety are improved. Meanwhile, the requirements of on-site adhesive bonding and separated rubber ring installation of an old PVC-O pipeline are eliminated, and the installation efficiency is improved by more than 20%.
Description
Technical Field
The utility model relates to a tubular product shaping technical field particularly, relates to a former of PVC-O tubular product with preset steel skeleton rubber ring.
Background
The PVC-O pipe is named as an impact-resistant and compression-resistant biaxial orientation PVC pipe, belongs to the latest evolution form of PVC pipes, and is characterized in that a PVC-U pipe produced by an extrusion method is stretched axially and radially, and PVC long-chain molecules in the pipe are regularly arranged in a biaxial direction through a special orientation processing technology, so that a novel PVC-O pipe with high strength, high toughness, high impact resistance and fatigue resistance is obtained; the PVC-O pipe can generate the pipe size shrinkage and recovery phenomenon due to polymer de-orientation at the temperature of more than 100-120 ℃.
A feeding station, a heating station and a flaring station are arranged in the existing first PVC-O pipe forming equipment (namely a flaring machine), and the manufacturing process comprises the following steps: a feeding station of the PVC-O pipe flaring forming equipment transmits a PVC-O pipe cut at a fixed length on a production line to a heating station, one end of the pipe is heated for a certain time at the heating station and transmitted to a flaring station, the heated end of the pipe enters a forming chamber (such as an oven), a flaring die is guided into the pipe, a certain pressure and a certain cooling temperature are kept, the inner wall of the pipe is tightly attached to the surface of the die, the flaring die is taken out, and flaring is completed; the flaring equipment and the flaring process for the PVC-O pipe have the defect that the flaring form of the integrally-formed preset steel skeleton rubber ring cannot be realized.
In order to avoid the adverse effect on the subsequent process caused by the size shrinkage and recovery of the PVC-O pipe after the pipe is heated, in some new forming plants, the PVC-O tube is generally conveyed to a heating station, first with a section of metal cylinder built into one end of the tube lining the inside of the tube, heating for a certain time at a heating station, transferring to a flaring station, introducing the heated end of the pipe into a forming chamber (such as an oven), introducing a flaring die into the pipe, ejecting out a metal cylinder, keeping a certain pressure and cooling temperature, closely attaching the inner wall of the pipe to the surface of the die, drawing out the flaring die, and finishing flaring, the metal cylinder of the inner lining is not easy to control when being put in or taken out, and some metal cylinders are specially designed with flaring dies and milling devices with taper leading-in section structures, the equipment and the process flow are unstable, and the flaring die with the taper leading-in section structure can have different conditions aiming at the allowable errors of the pipe size and the allowable errors of the temperature.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve prior art not enough, provide a former of PVC-O tubular product with preset steel skeleton rubber ring, at first adopt the straight flaring mould that the diameter increases to expand earlier and can put into the straight flaring of steel skeleton rubber ring, increase a preset rubber ring shaping station behind again, utilize the central guide pillar secondary flaring that carries the steel skeleton rubber ring, realize the flaring form that integrated into one piece preset the steel skeleton rubber ring.
The embodiment of the utility model discloses a realize through following technical scheme:
the forming equipment of the PVC-O pipe with the preset steel skeleton rubber ring comprises a straight flaring device and a preset rubber ring forming flaring device;
a straight flaring die for flaring a straight flaring from the female end of the pipe is arranged in the straight flaring device, and the diameter of the straight flaring die is larger than the outer diameter of the pipe;
the preset glue forming flaring device is internally provided with a central guide pillar which flares the straight flaring of the pipe out of an R-shaped flaring, and the central guide pillar is provided with a sleeving position for sleeving a steel wire framework rubber ring.
Further, the straight flaring die comprises a forming section and a taper leading-in section connected with the forming section; the diameter of the forming section is more than 15mm larger than the outer diameter of the pipe.
Furthermore, the straight flaring device and the preset rubber ring forming flaring device are both provided with driving devices which take hydraulic cylinders as driving modes;
the output end of a driving device in the straight flaring device is connected with the forming section of the straight flaring die; the output end of a driving device in the preset rubber ring forming flaring device is connected with the central guide pillar.
Further, the forming equipment also comprises an oven for heating the pipe.
Furthermore, the straight flaring device and the preset glue forming flaring device are both provided with cooling systems for cooling the flared pipes.
The utility model discloses technical scheme has following advantage and beneficial effect at least:
in the utility model, a PVC-O pipe is heated in advance to form a group of straight flares, and then a central guide pillar is inserted, and the macromolecules at the flares are oriented and the size is shrunk; after cooling, embedding the steel wire framework rubber ring into the flared part to form a PVC-O pipe product with the preset steel framework rubber ring; in the process of presetting rubber ring forming flaring, because the straight flaring is preset, the penetration of the steel wire framework rubber ring is convenient, and the operation is convenient; the steel wire framework rubber ring and the flaring are molded into a whole during production, and the rubber ring cannot be taken out under the non-destructive condition.
Meanwhile, the steel wire framework rubber ring cannot be extruded to displace during installation, the sealing performance of the joint is enhanced, and the use quality and the safety are improved. Meanwhile, the requirements of on-site adhesive bonding and separated rubber ring installation of an old PVC-O pipeline are eliminated, and the installation efficiency is improved by more than 20%.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of a straight flaring device of a PVC-O pipe forming device with a preset steel skeleton rubber ring of the present invention;
FIG. 2 is a schematic structural view of a preset rubber ring forming and flaring device of the PVC-O pipe forming equipment with the preset steel skeleton rubber ring of the utility model;
FIG. 3 is a schematic view of the structure of the oven in the PVC-O pipe forming apparatus with the pre-arranged steel skeleton rubber ring of the present invention;
FIG. 4 is a schematic structural view of a PVC-O pipe with a pre-arranged steel skeleton rubber ring of the present invention;
FIG. 5 is a diagram showing the usage status of the PVC-O pipe with the pre-arranged steel skeleton rubber ring of the present invention;
FIG. 6 is a schematic view of the overall structure of the PVC-O pipe forming apparatus with the pre-arranged steel skeleton rubber ring of the present invention;
icon: 1-pipe, 1 a-female end, 10-straight flaring part, 11-R flaring part, 110-steel wire framework rubber ring, 2-central guide post, 3-driving device, 4-clamping device, 40-upper clamp body, 41-lower clamp body, 5-oven, 50-heating element, 6-straight flaring die, 7-forming equipment, 7 a-feeding station, 7 b-heating station, 7 c-straight flaring device and 7 d-preset rubber ring forming flaring device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of this application is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific orientation, be constructed in a specific orientation and be operated is not to be construed as limiting the present invention.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 6, the utility model provides a preset tubular product former of PVC-O tubular product of steel skeleton rubber ring, in molding process: the orientation degree of the PVC-O pipe reaches 400-plus 500 grade, a straight flaring die 6 with the increased diameter is used for firstly flaring a straight flaring part 10 which can be placed into the steel skeleton rubber ring on the pipe 1 in production, and a forming station for presetting the steel skeleton rubber ring 110 is added behind the pipe to realize the integrated forming of the PVC-O pipe for presetting the steel skeleton rubber ring.
The utility model discloses a former 7 of PVC-O tubular product includes feed station 7a, heating station 7b and flaring station, and wherein the flaring station includes straight flaring device 7c and presets rubber ring shaping flaring device 7d to make as shown finished product tubular product 1 of figure 4 and figure 5.
Referring to fig. 3, the heating station 7b is formed by a heating oven 5 and a pipe rotating device which are axially displaceable, the heating oven 5 includes a plurality of cylinders and heating elements 50 arranged in the cylinders, the heating elements 50 are uniformly and equidistantly distributed on the inner wall of the cylinder, and the female end 1a of the pipe 1 is inserted into the heating elements for heating; the heating station 7b is further provided with a cooling system (not shown), which may be air-cooled or water-cooled.
Referring to fig. 1, the straight flaring device 7c includes a straight flaring die 6, a clamping device 4, a driving device 3 and the like, and further includes a cooling system (not shown), the driving device 3 of the straight flaring device 7c is a hydraulic cylinder, the output end of a piston rod of the hydraulic cylinder is connected with the straight flaring die 6, the moving stroke of the hydraulic cylinder is controlled by a stroke limiting mechanism, and the hydraulic cylinder can be freely adjusted within a certain range according to actual needs.
The straight flaring die 6 comprises a forming section and a taper leading-in section arranged at the front end of the forming section, the output end of a piston rod of the hydraulic cylinder is connected with the forming section, and the outer diameter of the taper leading-in section is smaller than the inner diameter of the pipe 1 which is not flared, so that the pipe 1 can be conveniently penetrated into the pipe for flaring; the diameter of the forming section of the flaring die is more than 15mm larger than the outer diameter of the corresponding pipe 1 to be flared; the cooling system can be an air cooling structure or a water cooling structure.
Referring to fig. 2, the pre-rubber ring forming and flaring device 7d includes a driving device 3, a core beam 2 connected to an output end of the driving device 3, and a clamping device 4.
The driving devices 3 and the clamping devices 4 adopted by the straight flaring device 7c and the preset rubber ring forming flaring device 7d are consistent, wherein the clamping devices 4 are used for clamping the pipe 1 in the flaring process, two groups of clamping devices 4 are arranged and comprise an upper clamp body 40 and a lower clamp body 41, and the two groups of clamping devices 4 are arranged along the axial direction of the pipe 1; the cooling system is used for cooling and shaping the flared pipe 1; the output end of the driving device 3 is connected with a central guide pillar 2 with an R-shaped flaring model, and a steel wire framework rubber ring sleeving position is arranged on the central guide pillar 2 and used for sleeving the steel framework rubber ring 110.
The utility model discloses a preset flaring forming process of PVC-O tubular product of steel skeleton rubber ring includes following step:
s1, after the forming equipment 7, namely the flaring machine, is electrified, the required working program is selected to set each working parameter, after the feeding station axially conveys the pipe 1 to the right position, the pipe 1 is translated to the heating station 7b through the transverse moving frame, and after the pipe 1 is heated in the oven 5, the pipe is conveyed to the straight flaring device 7 c;
s2, driving the upper clamp body 40 and the lower clamp body 41 to gather together to clamp the pipe 1 by the operation of the upper and lower hydraulic cylinders in the clamping device 4 of the straight flaring device 7 c; the driving device 3 drives the straight flaring die 6 to move forward, the straight flaring die 6 is inserted into the pipe 1 to swell the pipe 1, the pipe 1 is attached to the straight flaring die 6 to be molded by pressurization, and the pipe 1 is finally cooled and shaped by blowing or spraying water by using a cooling system after a specified time; then the flaring die is retracted, and the straight flaring die 6 automatically returns to the original position; the clamping device 4 is opened, the conveying device axially retreats the pipe 1 to a specified position of stroke limit, and then the pipe 1 is translated to a preset rubber ring forming flaring device 7d by the transverse moving frame;
s3, a conveying device of a preset rubber ring forming and flaring device 7d extends a pipe 1 to a specified position along the axial direction, an upper hydraulic cylinder and a lower hydraulic cylinder of a clamping device 4 in the preset rubber ring forming and flaring device 7d drive an upper clamp body 40 and a lower clamp body 41 to clamp the pipe 1, a central guide pillar 2 with an R-shaped flaring model advances, a steel skeleton rubber ring is preset and sleeved on the central guide pillar 2, the central guide pillar 2 with the rubber ring is inserted into a straight flaring part 10 position of the pipe 1, after the specified position of a stroke limit, the pipe 1 is uniformly heated to a preset temperature, for example, more than 100-120 degrees by using a heating oven 5, the heated part of the pipe 1 generates size shrinkage of the pipe 1 due to polymer disorientation, the pipe 1 is adhered to the central guide pillar 2 for forming, and after the oven 5 is withdrawn, the pipe 1 is finally cooled and formed by blowing or spraying water; then the central guide post 2 automatically returns to the original position, the steel skeleton rubber ring is left in the pipe 1, and after the clamping device 4 is loosened, the formed pipe 1 is conveyed to a storage rack, and flaring is completed.
The moving conveying mechanism for translating and transversely transferring the tube 1 adopts the moving conveying mechanism in the conventional flaring machine, and is not described again here.
Referring to fig. 4 and 5, in the formed pipe 1, the steel wire framework rubber ring 110 and the flaring in the female end 1a are formed into a whole during production, the steel wire framework rubber ring 110 cannot be taken out without damaging the pipe 1, the steel wire framework rubber ring 110 cannot be extruded and displaced during installation, meanwhile, the sealing performance of the joint is enhanced, the use quality and safety are improved, the requirements of field adhesive bonding and separated rubber ring installation in the existing construction process of installing a PVC-O pipeline are eliminated, and the installation efficiency is improved by more than 20%.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The forming equipment of the PVC-O pipe with the preset steel skeleton rubber ring is characterized by comprising a straight flaring device and a preset rubber ring forming flaring device;
a straight flaring die for flaring a straight flaring from the female end of the pipe is arranged in the straight flaring device, and the diameter of the straight flaring die is larger than the outer diameter of the pipe;
the preset glue forming flaring device is internally provided with a central guide pillar which flares the straight flaring of the pipe out of an R-shaped flaring, and the central guide pillar is provided with a sleeving position for sleeving a steel wire framework rubber ring.
2. The apparatus for forming PVC-O pipe with pre-arranged steel skeleton rubber ring as claimed in claim 1, wherein: the straight flaring die comprises a forming section and a taper leading-in section connected with the forming section; the diameter of the forming section is more than 15mm larger than the outer diameter of the pipe.
3. The apparatus for forming PVC-O pipe with pre-arranged steel skeleton rubber ring as claimed in claim 2, wherein: driving devices which take a hydraulic cylinder as a driving mode are arranged in the straight flaring device and the preset rubber ring forming flaring device;
the output end of a driving device in the straight flaring device is connected with the forming section of the straight flaring die; the output end of a driving device in the preset rubber ring forming flaring device is connected with the central guide pillar.
4. The equipment for forming PVC-O pipe with preset steel skeleton rubber ring according to any one of claims 1 to 3, wherein: the forming apparatus also includes an oven for heating the tubing.
5. The equipment for forming PVC-O pipe with preset steel skeleton rubber ring according to any one of claims 1 to 3, wherein: the straight flaring device and the preset glue forming flaring device are both provided with cooling systems for cooling the pipe after flaring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120052610.1U CN214188443U (en) | 2021-01-08 | 2021-01-08 | Forming equipment for PVC-O pipe with preset steel skeleton rubber ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120052610.1U CN214188443U (en) | 2021-01-08 | 2021-01-08 | Forming equipment for PVC-O pipe with preset steel skeleton rubber ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214188443U true CN214188443U (en) | 2021-09-14 |
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ID=77634477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120052610.1U Active CN214188443U (en) | 2021-01-08 | 2021-01-08 | Forming equipment for PVC-O pipe with preset steel skeleton rubber ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214188443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769442A (en) * | 2022-03-31 | 2022-07-22 | 公元股份有限公司 | Automatic go up flaring machine of rubber circle |
-
2021
- 2021-01-08 CN CN202120052610.1U patent/CN214188443U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114769442A (en) * | 2022-03-31 | 2022-07-22 | 公元股份有限公司 | Automatic go up flaring machine of rubber circle |
| CN114769442B (en) * | 2022-03-31 | 2023-12-22 | 公元股份有限公司 | Flaring machine capable of automatically feeding rubber rings |
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Address after: 611230 north section of Hongye Road, Chongzhou Economic Development Zone, Chengdu, Sichuan Patentee after: Kangtai Plastic Technology Co.,Ltd. Address before: 611230 north section of Hongye Road, Chongzhou Economic Development Zone, Chengdu, Sichuan Patentee before: Kangtai Plastic Technology Group Co.,Ltd. |