CN111688175A - Automatic flanging mechanism for steel lining polytetrafluoroethylene straight pipe - Google Patents
Automatic flanging mechanism for steel lining polytetrafluoroethylene straight pipe Download PDFInfo
- Publication number
- CN111688175A CN111688175A CN202010564361.4A CN202010564361A CN111688175A CN 111688175 A CN111688175 A CN 111688175A CN 202010564361 A CN202010564361 A CN 202010564361A CN 111688175 A CN111688175 A CN 111688175A
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- CN
- China
- Prior art keywords
- steel
- pipe
- burner
- water storage
- rollers
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 36
- 239000010959 steel Substances 0.000 title claims abstract description 36
- 229920001343 polytetrafluoroethylene Polymers 0.000 title abstract description 22
- 239000004810 polytetrafluoroethylene Substances 0.000 title abstract description 22
- -1 polytetrafluoroethylene Polymers 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000000712 assembly Effects 0.000 claims abstract description 14
- 238000000429 assembly Methods 0.000 claims abstract description 14
- 238000003825 pressing Methods 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000007306 turnover Effects 0.000 claims description 2
- 238000009785 tube rolling Methods 0.000 claims 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 abstract description 2
- 239000002585 base Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/16—Cooling
- B29C2035/1616—Cooling using liquids
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heat Treatment Of Articles (AREA)
Abstract
The invention discloses an automatic flanging mechanism for a steel-lined PTFE (polytetrafluoroethylene) straight pipe, which comprises a rack, rollers, a burner and a jacking cylinder, wherein a plurality of roller assemblies are arranged on the rack, the roller assemblies are uniformly distributed along the axis of the steel pipe, each roller assembly comprises two groups of mandrels, bearings, a pedestal and the rollers, water storage tanks are arranged at the bottoms of two ends of the rack, cooling supports are arranged at the upper parts of the water storage tanks, nozzles are arranged at the tops of the cooling supports, the nozzles are connected with a pump and the water storage tanks through liquid supply pipes, the nozzles point to the outer end faces of flanges of the steel pipe, pressing plates are respectively arranged on the outer sides of the two flanges of the steel pipe, the pressing plates are driven by the jacking cylinder to move horizontally, the burner is arranged on the side face of the flange, the burner, a driving motor and the. The invention can simultaneously turn up the edges of the tetrafluoride pipe at two ends, adopts the burner to heat evenly, reduces the manual participation and the danger, and has wide application range and higher edge turning efficiency.
Description
Technical Field
The invention belongs to the field of chemical equipment, and particularly relates to an automatic flanging mechanism for a steel-lined polytetrafluoroethylene straight pipe.
Background
The fluorine lining pipeline is a new type container which is made up by adopting advanced scientific method and patent technology and integrating steel body of steel-plastic equipment into one body, and has the advantages of that it not only possesses the mechanical strength property of steel product, but also possesses the advantages of that the tetrafluoro is corrosion-resistant, it does not scale, and is not easy to grow microbe, and can ensure the purity of conveying medium, etc.. The service life of the pipeline exceeds that of a stainless steel pipeline, and the pipeline is an ideal anti-corrosion pipeline for conveying acid, alkali, salt, gas, ore pulp and the like. But the price is only one fourth of that of the stainless steel pipe, and the stainless steel pipe is extracted from various anticorrosive pipes.
In the existing steel-lined PTFE straight pipe, a PTFE pipe is inserted into a steel pipe, the steel pipe is provided with flanges, the PTFE pipes at the flanges at two ends of the steel pipe need to be flanged in order to ensure the sealing performance and the covering of PTFE, the existing flanging method adopts manual spraying high-temperature flame to melt the PTFE pipe, then the PTFE pipe is pre-flanged through an expanding tool, and finally the flanged edge is solidified through a top pressing plate. The existing process needs manual operation of a flame thrower and an expanding tool, consumes labor, is dangerous, and simultaneously, the polytetrafluoroethylene tube is easy to heat unevenly, so that the flanging quality is poor.
The existing equipment only needs to turn over the single-side edge at each time, and then turns over the other end of the steel pipe, so that the efficiency is low.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to solve the problems that the existing steel-lined PTFE straight pipe needs manual heating and diameter expansion of the PTFE pipe when being flanged, the danger exists, the PTFE pipe is easy to be heated unevenly, and the flanging quality is poor.
In order to realize the aim, the invention provides an automatic flanging mechanism for a steel-lined PTFE straight pipe, which comprises a frame, a roller, a burner and a jacking cylinder,
the machine frame is formed by welding sectional materials, a plurality of roller assemblies are arranged on the machine frame, the roller assemblies are uniformly distributed along the axis of the steel pipe, each roller assembly comprises two groups of mandrels, bearings, a pedestal and rollers, the rollers are connected with the mandrels through the bearings, two ends of the mandrels are arranged on the platen, the two rollers are symmetrically arranged, the steel pipe is placed on the two rollers, the two rollers rotate in the same direction under the driving of the driving motor to drive the steel pipe to rotate,
the bottom parts of the two ends of the frame are provided with water storage tanks, the upper parts of the water storage tanks are provided with cooling brackets, the top parts of the cooling brackets are provided with nozzles, the nozzles are connected with the pump and the water storage tanks through liquid supply pipes, the nozzles point to the outer end faces of the flanges of the steel pipes,
the outer sides of the two flanges of the steel pipe are respectively provided with a pressing plate, the pressing plates are driven by a jacking cylinder to move horizontally, and the pressing plates can press the tetrafluoride pipe to turn the edge after the tetrafluoride pipe is heated; the jacking cylinder is arranged on the adjustable base, the height of the adjustable base is adjustable, the adjustable base can be arranged on the frame or can be arranged independently,
the burner is arranged on the side surface of the flange, the burner, the driving motor and the jacking cylinder are controlled by the controller to start and stop, and the burner ignites to heat the tetrafluoro pipe when the steel pipe rotates.
Furthermore, a filter screen is installed between the water storage tank and the pump, and the water storage tank is movable.
Furthermore, the number of the roller assemblies is more than 2, and the roller assemblies are uniformly arranged.
Furthermore, the pressure plate is disc-shaped, a conical bulge is arranged in the center of the pressure plate, the conical bulge is coaxial with the pressure plate, and the conical bulge can be used for flanging the polytetrafluoroethylene tube.
Further, the burner is also mounted on an adjustable base.
Furthermore, the number of the nozzles is more than two, the transverse positions of the nozzles can be adjusted, and the nozzles are always flush with the outer end face of the flange.
The invention has the beneficial effects that:
1. the automatic flanging mechanism for the steel-lined PTFE straight pipe can rotate the steel pipe, can automatically and uniformly heat the PTFE pipe by matching with a burner, and can directly flange and form the PTFE pipe by the conical bulge of the pressing plate, so that the labor is saved and the flanging quality is improved;
2. the invention is provided with the pump, can reuse the waste water for cooling, and saves water source;
3. the jacking cylinder has adjustable height and is suitable for fluorine lining operation of steel pipes with different diameters;
4. the invention can simultaneously operate the two ends of the steel pipe flange, improve the working efficiency and reduce the transportation and installation of the steel pipe.
Drawings
FIG. 1 is a schematic front view of an automatic flanging mechanism for a steel-lined PTFE straight pipe according to the present invention;
FIG. 2 is an enlarged schematic view of the structure of the burner, the nozzle and the water storage tank of the invention;
fig. 3 is an enlarged schematic view of a portion a of fig. 1.
In the figure: 1. a frame; 2. a drive motor; 3. a water storage tank; 4. the jacking cylinder; 5. a roller; 6. a nozzle; 7. a tetrafluoride pipe; 8. pressing a plate; 9. a liquid supply tube; 10. a burner; 11. a steel pipe; 12. a flange; 13. cooling the support; 14. an adjustable base.
Detailed Description
The details of the present invention are described below with reference to the accompanying drawings and specific embodiments.
As shown in figure 1, the automatic flanging mechanism for the steel-lined PTFE straight pipe comprises a frame 1, a roller, a burner 10 and a jacking cylinder 4,
the machine frame 1 is formed by welding sectional materials, a plurality of roller assemblies 5 are arranged on the machine frame 1, the roller assemblies 5 are uniformly distributed along the axis of the steel pipe 11, each roller assembly 5 comprises two groups of mandrels, bearings, pedestals and rollers, the rollers are connected with the mandrels through the bearings, two ends of the mandrels are arranged on the bedplate, the two rollers are symmetrically arranged, the steel pipe 11 is placed on the two rollers, the two rollers rotate in the same direction under the driving of the driving motor 2 to drive the steel pipe 11 to rotate,
the bottom of two ends of the frame 1 is provided with a water storage tank 3, the upper part of the water storage tank 3 is provided with a cooling bracket 13, the top of the cooling bracket 13 is provided with a nozzle 6, the nozzle 6 is connected with the pump and the water storage tank 3 through a liquid supply pipe 9, the nozzle 6 points to the outer end face of the flange 12 of the steel pipe 11,
the outer sides of two flanges 12 of the steel pipe 11 are respectively provided with a pressing plate 8, the pressing plates 8 are driven by a jacking cylinder 4 to move horizontally, and the pressing plates 8 can press the tetrafluoride pipe 7 to turn the edge after the tetrafluoride pipe 7 is heated; the jacking cylinder 4 is arranged on an adjustable base 14, the height of the adjustable base 14 is adjustable, the adjustable base 14 can be arranged on the frame 1 or can be independently arranged,
as shown in fig. 2, a burner 10 is installed on the side of a flange 12, the burner 10, a driving motor 2 and a knock cylinder 4 are controlled by a controller to start and stop, and the burner 10 is ignited to heat the tetrafluoride pipe 7 when a steel pipe 11 rotates.
In practical application, install the filter screen between storage water tank 3 and the pump machine, storage water tank 3 is portable.
In practical application, the number of the roller assemblies 5 is more than 2, and the roller assemblies are uniformly arranged.
As shown in fig. 3, the pressure plate 8 is disc-shaped, a conical protrusion is arranged at the center of the pressure plate 8, the conical protrusion is coaxial with the pressure plate 8, and the conical protrusion can turn up the tetrafluoro tube 7.
In practice, the burner 10 is also mounted on an adjustable base 14.
In practical application, the number of the nozzles 6 is more than two, the transverse position of the nozzles 6 can be adjusted, and the nozzles 6 are always flush with the outer end face of the flange 12.
In summary, the following steps: the invention can simultaneously turn up the edges of the tetrafluoride pipe at two ends, adopts the burner to heat evenly, reduces the manual participation and the danger, and has wide application range and higher edge turning efficiency.
The basic principles, principal features and advantages of the present invention are described. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical spirit and features of the present invention, and the present invention is not limited thereto but may be implemented by those skilled in the art.
Claims (6)
1. The utility model provides an automatic flanging mechanism of steel lining tetrafluoro straight tube which characterized in that: comprises a frame (1), a roller, a burner (10) and a top pressure cylinder (4),
the steel tube rolling machine is characterized in that the rack (1) is formed by welding sectional materials, a plurality of roller assemblies (5) are installed on the rack (1), the roller assemblies (5) are uniformly distributed along the axis of a steel tube (11), each roller assembly (5) comprises two groups of mandrels, bearings, pedestals and rollers, the rollers are connected with the mandrels through the bearings, two ends of each mandrel are installed on a bedplate, the two rollers are symmetrically arranged, the steel tube (11) is placed on the two rollers, the two rollers rotate in the same direction under the driving of the driving motor (2) to drive the steel tube (11) to rotate,
the water storage tank (3) is arranged at the bottoms of the two ends of the rack (1), the cooling support (13) is installed at the upper part of the water storage tank (3), the nozzle (6) is installed at the top of the cooling support (13), the nozzle (6) is connected with the pump and the water storage tank (3) through the liquid supply pipe (9), the nozzle (6) points to the outer end face of the flange (12) of the steel pipe (11),
the outer sides of two flanges (12) of the steel pipe (11) are respectively provided with a pressing plate (8), the pressing plates (8) are driven by a jacking cylinder (4) to move horizontally, and the pressing plates (8) can press the tetrafluoride pipe (7) to turn over after the tetrafluoride pipe (7) is heated; the jacking cylinder (4) is arranged on the adjustable base (14), the height of the adjustable base (14) is adjustable, the adjustable base (14) can be arranged on the frame (1) or can be arranged independently,
the burner (10) is installed on the side face of the flange (12), the burner (10), the driving motor (2) and the jacking cylinder (4) are controlled by the controller to start and stop, and the burner (10) ignites to heat the tetrafluoro pipe (7) when the steel pipe (11) rotates.
2. The automatic flanging mechanism for the steel-lined tetrafluoro straight pipe according to claim 1 is characterized in that: a filter screen is installed between the water storage tank (3) and the pump, and the water storage tank (3) is movable.
3. The automatic flanging mechanism for the steel-lined tetrafluoro straight pipe according to claim 1 is characterized in that: the number of the roller assemblies (5) is more than 2, and the roller assemblies are uniformly arranged.
4. The automatic flanging mechanism for the steel-lined tetrafluoro straight pipe according to claim 1 is characterized in that: the pressure plate (8) is disc-shaped, a conical bulge is arranged at the center of the pressure plate (8), the conical bulge is coaxial with the pressure plate (8), and the pressure plate (8) can be used for flanging the tetrafluoro pipe (7).
5. The automatic flanging mechanism for the steel-lined tetrafluoro straight pipe according to claim 1 is characterized in that: the burner (10) is also mounted on an adjustable base (14).
6. The automatic flanging mechanism for the steel-lined tetrafluoro straight pipe according to claim 1 is characterized in that: the number of the nozzles (6) is more than two, the transverse position of the nozzles (6) can be adjusted, and the nozzles (6) are always flush with the outer end face of the flange (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010564361.4A CN111688175A (en) | 2020-06-19 | 2020-06-19 | Automatic flanging mechanism for steel lining polytetrafluoroethylene straight pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010564361.4A CN111688175A (en) | 2020-06-19 | 2020-06-19 | Automatic flanging mechanism for steel lining polytetrafluoroethylene straight pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111688175A true CN111688175A (en) | 2020-09-22 |
Family
ID=72481960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010564361.4A Pending CN111688175A (en) | 2020-06-19 | 2020-06-19 | Automatic flanging mechanism for steel lining polytetrafluoroethylene straight pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111688175A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113714736A (en) * | 2021-08-03 | 2021-11-30 | 湖北兴发凌志新材料有限公司 | Rapid manufacturing method of steel lining polytetrafluoroethylene pipeline |
| CN114211738A (en) * | 2021-12-23 | 2022-03-22 | 浙江歌瑞新材料有限公司 | Heating flanging shaping equipment and flanging shaping method thereof |
| CN114851533A (en) * | 2022-04-21 | 2022-08-05 | 南通理工学院 | Automatic flanging device for steel lining polytetrafluoroethylene straight pipe |
| CN116351932A (en) * | 2023-02-10 | 2023-06-30 | 南京肯特复合材料股份有限公司 | Bidirectional flanging forming method for hollow pipe with inner lining |
-
2020
- 2020-06-19 CN CN202010564361.4A patent/CN111688175A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113714736A (en) * | 2021-08-03 | 2021-11-30 | 湖北兴发凌志新材料有限公司 | Rapid manufacturing method of steel lining polytetrafluoroethylene pipeline |
| CN114211738A (en) * | 2021-12-23 | 2022-03-22 | 浙江歌瑞新材料有限公司 | Heating flanging shaping equipment and flanging shaping method thereof |
| CN114851533A (en) * | 2022-04-21 | 2022-08-05 | 南通理工学院 | Automatic flanging device for steel lining polytetrafluoroethylene straight pipe |
| CN116351932A (en) * | 2023-02-10 | 2023-06-30 | 南京肯特复合材料股份有限公司 | Bidirectional flanging forming method for hollow pipe with inner lining |
| CN116351932B (en) * | 2023-02-10 | 2023-09-22 | 南京肯特复合材料股份有限公司 | Bidirectional flanging forming method for hollow pipe with inner lining |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200922 |
|
| WD01 | Invention patent application deemed withdrawn after publication |