CN109822930B - Production process of fluorine lining pipeline of fluoroplastic pump - Google Patents
Production process of fluorine lining pipeline of fluoroplastic pump Download PDFInfo
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- CN109822930B CN109822930B CN201811650602.6A CN201811650602A CN109822930B CN 109822930 B CN109822930 B CN 109822930B CN 201811650602 A CN201811650602 A CN 201811650602A CN 109822930 B CN109822930 B CN 109822930B
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- Prior art keywords
- pipeline
- pump
- fluoroplastic
- fluorine
- polytetrafluoroethylene
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
- B29C48/0021—Combinations of extrusion moulding with other shaping operations combined with joining, lining or laminating
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
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- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
- B29C65/52—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive
- B29C65/522—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the way of applying the adhesive by spraying, e.g. by flame spraying
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- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/03—After-treatments in the joint area
- B29C66/032—Mechanical after-treatments
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- 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
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
- B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
Abstract
The invention provides a production process of a fluorine lining pipeline of a fluoroplastic pump, belonging to the technical field of fluoroplastic pumps. A production process of a fluorine lining pipeline of a fluoroplastic pump comprises the following steps: s1, processing of the die: manufacturing a tire and a mold which are adaptive to the shape and the size of a product according to the shape and the size of the pump pipeline; s2, processing the pipeline: feeding the polytetrafluoroethylene powdery raw material into an extruder, and extruding the raw material into a tubular shape through a die; s3, spraying: spraying composite glue on the outer surface of the tubular polytetrafluoroethylene through a spraying device to enable the glue on the outer surface of the tubular polytetrafluoroethylene to be uniformly attached; s4, compounding: the pipe joint part on the pump is placed on a heating device for local heating at the temperature of 150-170 ℃, then the tubular polytetrafluoroethylene is inserted into the pipe joint for fusion and compounding, and the temperature is continuously raised to 200-230 ℃. The invention has the advantage that the pump lining fluorine pipeline is not easy to damage.
Description
Technical Field
The invention belongs to the technical field of fluoroplastic pumps, and particularly relates to a production process of a fluoroplastic pump fluorine lining pipeline.
Background
The fluorine lining valve, also called fluoroplastic lining corrosion-resistant valve, is made up by using teflon resin (or section bar) and adopting die pressing (or inlaying) method to place it on the inner wall of steel or iron valve pressure-bearing component or external surface of valve internal component, and utilizing its unique property in resisting strong corrosion medium to make various valves and pressure containers.
The known pipe with the fluoroplastic lining has the defects that the fluoroplastic lining is more than 10 times larger than the steel shell in thermal expansion and cold contraction and the lining is easy to creep (namely cold flow), so that the lining is easy to damage.
Disclosure of Invention
The invention aims to solve the problems in the prior art, provides a production process of a fluorine lining pipeline of a fluoroplastic pump, and solves the problem that the fluorine lining pipeline of the pump is easy to damage.
The purpose of the invention can be realized by the following technical scheme:
a production process of a fluorine lining pipeline of a fluoroplastic pump is characterized by comprising the following steps:
s1, processing of the die: manufacturing a tire and a mold which are adaptive to the shape and the size of a product according to the shape and the size of the pump pipeline;
s2, processing the pipeline: feeding the polytetrafluoroethylene powdery raw material into an extruder, and extruding the raw material into a tubular shape through a die;
s3, spraying: spraying composite glue on the outer surface of the tubular polytetrafluoroethylene through a spraying device to enable the glue on the outer surface of the tubular polytetrafluoroethylene to be uniformly attached;
s4, compounding: placing a pipeline interface part on a pump on a heating device for local heating at the heating temperature of 150-170 ℃, then inserting tubular polytetrafluoroethylene into the pipeline interface, fusing and compounding the tubular polytetrafluoroethylene together, continuously raising the temperature to 200-230 ℃, continuing for 10-12 min, then starting cooling at the speed of 5 ℃ per minute through a heat dissipation device until the temperature is reduced to the normal temperature:
s5, ironing the pipe: soaking the pipeline connector into an acidic solution for 5-6 min, then soaking into an alkaline solution for 5-6 min, then continuously heating the pipeline connector to 50-60 ℃ for 10-15 min, then continuously heating to 150-160 ℃ for 3-6 min;
s6, cooling: then the pump is taken out and placed under the condition of normal temperature for natural heat dissipation;
s7, checking: and (5) checking a gap between the inner wall of the pipeline interface and the tubular polytetrafluoroethylene, and warehousing the gapless object.
In the production process of the fluorine lining pipeline of the fluoroplastic pump, the acid solution is 0.1% hydrochloric acid solution.
In the production process of the fluorine lining pipeline of the fluoroplastic pump, the alkaline solution is 0.2 percent of sodium hydroxide solution.
In the above production process of the fluorine lining pipe of the fluoroplastic pump, in step S4, the heating temperature at the pipe joint is 160 ℃.
In the production process of the fluorine lining pipe of the fluoroplastic pump, in step S4, the temperature is increased to 215 ℃ during melt compounding.
In the production process of the fluorine lining pipeline of the fluoroplastic pump, in step S6, when the ambient temperature is lower than 15 ℃, the ambient temperature is controlled to be 20-25 ℃ by a heater.
In the production process of the fluorine lining pipeline of the fluorine plastic pump, the spraying device comprises a stand column, a cross beam and a part placing table; a cross beam is arranged above the upright post; a first electric telescopic rod is arranged below the cross beam of the part placing table arranged between the stand columns; a first mounting plate is connected to the lower part of the first electric telescopic rod; a rotating motor is arranged above the center of the first mounting plate, and a rotating shaft is connected below the rotating motor; a second mounting plate is arranged below the rotating shaft; a second electric telescopic rod is installed at one end of the bottom surface of the second installation plate, a sliding block is arranged at the front end of the second electric telescopic rod and matched with a sliding rail to slide, and the sliding rail is installed on the bottom surface of the second installation plate; a cross support is arranged below the sliding block; one end above the cross brace is rotatably fixed below the sliding block, the other end of the cross brace is rotatably fixed below the second mounting plate, and supporting legs are transversely arranged below the cross brace; a spray gun is arranged on the left side of the cross support, and a drying system is arranged on the right side of the cross support; the spray gun passes through the bolt fastening on the third mounting panel, and the third mounting panel is fixed in the inboard of stand.
In the production process of the fluorine lining pipeline of the fluoroplastic pump, the rotating motor adopts a variable-frequency speed-regulating motor.
In the production process of the fluorine lining pipeline of the fluorine plastic pump, the cross section of the slide rail is in an inverted trapezoid shape.
In the production process of the fluorine lining pipeline of the fluorine plastic pump, the upper end of the sliding block is provided with a dovetail groove matched with the sliding rail.
In the production process of the fluorine lining pipeline of the fluorine plastic pump, the outer side of the supporting leg is provided with the anti-slip pad.
In the production process of the fluorine lining pipeline of the fluorine plastic pump, the surface of the anti-skid pad is provided with a plurality of anti-skid convex points.
In the production process of the fluorine lining pipeline of the fluoroplastic pump, the drying system comprises a drying box; the drying box is fixed on the inner side of the stand column through the mounting frame, the heater is arranged inside the drying box, the blowing hole is formed in the left side panel, and the fan is arranged on the right side panel.
In the production process of the fluorine lining pipeline of the fluoroplastic pump, the heater adopts a resistance type ceramic heater.
In the production process of the fluorine lining pipeline of the fluorine plastic pump, the supporting legs are replaced by fixed ends fixedly connected with the cross braces; the fixed end is connected with the movable end through a hinged ball; and the outer side of the movable end is provided with an anti-slip pad.
Compared with the prior art, the invention has the following advantages:
1. the processing technology can avoid the problem that the fluoroplastic lining is easy to damage due to the defects that the fluoroplastic lining is more than 10 times larger than the steel shell in terms of thermal expansion and cold contraction and the lining is easy to creep (namely cold flow property).
2. According to the invention, the second electric telescopic rod is arranged to push the sliding block to move on the sliding rail, so that the cross support drives the supporting legs to move oppositely and support on the inner wall of the cylindrical part, the first electric telescopic rod drives the part to move up and down, the rotating motor drives the part to rotate, the spray gun sprays the outer surface of the part rotating and moving up and down, and after spraying is finished, the fan in the drying system blows air heated by the heater to the outer surface of the part through the air blowing hole to dry the outer surface of the part; the anti-slip pad with the anti-slip convex points increases the anti-slip effect of the cross brace on the part inner cylinder support; the supporting leg with the freedom degree rotation further increases the contact area between the supporting leg and the part inner cylinder in the movement process of the second electric telescopic rod, and provides more stable support; and the device has simple integral structure, convenient operation and convenient regulation and control.
Drawings
Fig. 1 is a schematic structural view of a spray coating device.
Fig. 2 is a schematic structural diagram of a slide rail and a slide block in the spraying device.
Fig. 3 is an enlarged view a of the first embodiment of the spray coating device.
Fig. 4 is a schematic structural view of the non-slip mat in the spraying device.
Fig. 5 is a left side schematic view of a drying box in the painting apparatus.
Fig. 6 is a schematic right view of a drying box in the painting apparatus.
Fig. 7 is an enlarged view a of the second embodiment of the spray coating device.
In the figure: 1-upright column, 2-cross beam, 3-part placing table, 4-first electric telescopic rod, 5-first mounting plate, 6-rotating motor, 7-rotating shaft, 8-second mounting plate, 9-second electric telescopic rod, 10-sliding block, 11-sliding rail, 12-cross brace, 13-supporting leg, 1301-fixed end, 1302-movable end, 1303-hinged ball, 14-non-slip mat, 15-third mounting plate, 16-spray gun, 17-drying system, 1701-mounting frame, 1702-drying box, 1703-heater, 1704-fan and 1705-blowing hole.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
A production process of a fluorine lining pipeline of a fluoroplastic pump comprises the following steps:
s1, processing of the die: manufacturing a tire and a mold which are adaptive to the shape and the size of a product according to the shape and the size of the pump pipeline;
s2, processing the pipeline: feeding the polytetrafluoroethylene powdery raw material into an extruder, and extruding the raw material into a tubular shape through a die;
s3, spraying: spraying composite glue on the outer surface of the tubular polytetrafluoroethylene through a spraying device to enable the glue on the outer surface of the tubular polytetrafluoroethylene to be uniformly attached;
s4, compounding: placing a pipeline interface part on a pump on a heating device for local heating at the heating temperature of 150-170 ℃, then inserting tubular polytetrafluoroethylene into the pipeline interface, fusing and compounding the tubular polytetrafluoroethylene together, continuously raising the temperature to 200-230 ℃, continuing for 10-12 min, then starting cooling at the speed of 5 ℃ per minute through a heat dissipation device until the temperature is reduced to the normal temperature:
s5, ironing the pipe: soaking the pipeline connector into an acidic solution for 5-6 min, then soaking into an alkaline solution for 5-6 min, then continuously heating the pipeline connector to 50-60 ℃ for 10-15 min, then continuously heating to 150-160 ℃ for 3-6 min;
s6, cooling: then the pump is taken out and placed under the condition of normal temperature for natural heat dissipation;
s7, checking: and (5) checking a gap between the inner wall of the pipeline interface and the tubular polytetrafluoroethylene, and warehousing the gapless object.
Specifically, the acidic solution is a 0.1% hydrochloric acid solution.
Specifically, the alkaline solution is a 0.2% sodium hydroxide solution.
Specifically, in step S4, the heating temperature at the pipe joint is 160 ℃.
Specifically, in step S4, the temperature rises to 215 ℃ during melt compounding.
Specifically, in step S6, when the ambient temperature is lower than 15 ℃, the ambient temperature is controlled to be 20 to 25 ℃ by the heater.
Example one
Referring to fig. 1-6, a spraying apparatus includes a column 1, a beam 2, and a parts table 3; a cross beam 2 is arranged above the upright post 1; a part placing table 3 is arranged between the upright posts 1, and a first electric telescopic rod 4 is arranged below the cross beam 2; a first mounting plate 5 is connected below the first electric telescopic rod 4; a rotating motor 6 is arranged above the center of the first mounting plate 5, and a rotating shaft 7 is connected below the rotating motor 6; a second mounting plate 8 is arranged below the rotating shaft 7; a second electric telescopic rod 9 is installed at one end of the bottom surface of the second installation plate 8, a sliding block 10 is arranged at the front end of the second electric telescopic rod 9, the sliding block 10 is matched with a sliding rail 11 to slide, and the sliding rail 11 is installed on the bottom surface of the second installation plate 8; a cross brace 12 is arranged below the sliding block 10; one end above the cross brace 12 is rotationally fixed below the sliding block 10, the other end is rotationally fixed below the second mounting plate 8, and a supporting leg 13 is transversely arranged below the cross brace 12; a spray gun 16 is arranged on the left side of the cross brace 12, and a drying system 17 is arranged on the right side of the cross brace 12; the spray gun 16 is fixed on a third mounting plate 15 through bolts, and the third mounting plate 15 is fixed on the inner side of the upright post 1; the cylindrical parts are vertically placed on the part placing table 3 right below the cross support 12, the second electric telescopic rod 9 extends, the sliding block 10 moves on the sliding rail 11, the cross support 12 is folded, and the outer distance between the supporting legs 13 is smaller than the inner diameter of the parts; the first electric telescopic rod 4 is extended, so that the supporting leg 13 extends into the part; the second electric telescopic rod 9 is contracted, the sliding block 10 moves on the sliding rail 11, so that the cross brace 12 is opened, and the supporting leg 13 is supported on the inner wall of the part; the first electric telescopic rod 4 is contracted, so that the parts are opposite to the spray gun 16, the rotating motor 6 works, the rotating shaft 7 drives the second mounting plate 8 to rotate, the parts rotate along with the cross support 12, and the spray gun uniformly sprays the outer surfaces of the parts; when the relative position of the part relative to the spray gun 16 needs to be adjusted, the part is also adjusted by the up-and-down movement of the first electric telescopic rod 4; after the spraying operation is completed, the drying system 17 ensures the overall drying effect.
The rotating motor 6 adopts a variable-frequency speed-regulating motor; the cross section of the slide rail 11 is in an inverted trapezoid shape; the upper end of the sliding block 10 is provided with a dovetail groove matched with the sliding rail 11, and the sliding block 10 is matched with the sliding rail 11, so that enough tension is provided for the cross brace 12, and the second electric telescopic rod 9 is ensured to run stably; the outer sides of the supporting legs 13 are provided with anti-skid pads 14; the surface of the antiskid pad 14 is provided with a plurality of antiskid salient points; the anti-skid mat 14 with anti-skid convex points increases the anti-skid function of the cross brace 12 and the supporting legs 13 on the part inner cylinder support.
The drying system 17 includes a drying box 1702; the drying box 1702 is fixed at the inner side of the upright post 1 through a mounting rack 1701, a heater 1703 is arranged inside the drying box 1702, an air blowing hole 1705 is arranged on the left panel, and a fan 1704 is arranged on the right panel; after the spraying operation is completed, the heater 1703 in the drying system 17 starts to heat the air in the drying box 1702, the fan 1704 works to blow the heated hot air from the drying box 1702 to the parts through the air blowing holes 1705, and the rotating motor 6 rotates at a constant speed to ensure the whole drying effect; the heater 1703 adopts a resistance type ceramic heater; the resistance ceramic heater has high heating efficiency and safe use without open fire.
Example two
Referring to fig. 1 and 7, a spraying device includes a fixed end 1301, a movable end 1302 and a hinge ball 1303; on the basis of the first embodiment, the supporting feet 13 are replaced by fixed ends 1301 fixedly connected with the cross braces 12; the fixed end 1301 is connected with the movable end 1302 through a hinge ball 1303; the outer side of the movable end 1302 is provided with an anti-skid pad 14; the supporting leg 13 with freedom degree rotation enables the movable end 1302 and the fixed end 1301 to rotate relatively through the hinge ball 1303, so that the contact area between the supporting leg 13 and the inner cylinder of the part in the movement process of the second electric telescopic rod 9 is further increased, and more stable support is provided.
The working principle of the invention is as follows: the cylindrical parts are vertically placed on the part placing table 3 right below the cross support 12, the second electric telescopic rod 9 extends, the sliding block 10 moves on the sliding rail 11, the cross support 12 is folded, and the outer distance between the supporting legs 13 is smaller than the inner diameter of the parts; the first electric telescopic rod 4 is extended, so that the supporting leg 13 extends into the part; the second electric telescopic rod 9 is contracted, the sliding block 10 moves on the sliding rail 11, so that the cross brace 12 is opened, and the supporting leg 13 is supported on the inner wall of the part; the first electric telescopic rod 4 is contracted, so that the parts are opposite to the spray gun 16, the rotating motor 6 works, the rotating shaft 7 drives the second mounting plate 8 to rotate, the parts rotate along with the cross support 12, and the spray gun uniformly sprays the outer surfaces of the parts; when the relative position of the part relative to the spray gun 16 needs to be adjusted, the part is also adjusted by the up-and-down movement of the first electric telescopic rod 4; after the spraying operation is completed, the heater 1703 in the drying system 17 starts to heat the air in the drying box 1702, the fan 1704 works to blow the heated hot air from the drying box 1702 to the parts through the air blowing holes 1705, and the rotating motor 6 rotates at a constant speed to ensure the whole drying effect; the anti-skid mat 14 with anti-skid convex points increases the anti-skid effect of the cross brace 12 and the supporting legs 13 on the part inner cylinder support; the supporting leg 13 with freedom degree rotation enables the movable end 1302 and the fixed end 1301 to rotate relatively through the hinge ball 1303, so that the contact area between the supporting leg 13 and the inner cylinder of the part in the movement process of the second electric telescopic rod 9 is further increased, and more stable support is provided.
While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (8)
1. A production process of a fluorine lining pipeline of a fluoroplastic pump is characterized by comprising the following steps:
s1, processing of the die: manufacturing a tire and a mold which are adaptive to the shape and the size of a product according to the shape and the size of the pump pipeline;
s2, processing the pipeline: feeding the polytetrafluoroethylene powdery raw material into an extruder, and extruding the raw material into a tubular shape through a die;
s3, spraying: spraying composite glue on the outer surface of the tubular polytetrafluoroethylene through a spraying device to enable the glue on the outer surface of the tubular polytetrafluoroethylene to be uniformly attached;
s4, compounding: placing a pipeline interface part on a pump on a heating device for local heating at the heating temperature of 150-170 ℃, then inserting tubular polytetrafluoroethylene into the pipeline interface, fusing and compounding the tubular polytetrafluoroethylene together, continuously raising the temperature to 200-230 ℃, continuing for 10-12 min, then starting cooling at the speed of 5 ℃ per minute through a heat dissipation device until the temperature is reduced to the normal temperature:
s5, ironing the pipe: soaking the pipeline connector into an acidic solution for 5-6 min, then soaking into an alkaline solution for 5-6 min, then continuously heating the pipeline connector to 50-60 ℃ for 10-15 min, then continuously heating to 150-160 ℃ for 3-6 min;
s6, cooling: then the pump is taken out and placed under the condition of normal temperature for natural heat dissipation;
s7, checking: and (5) checking a gap between the inner wall of the pipeline interface and the tubular polytetrafluoroethylene, and warehousing the gapless object.
2. A process for producing a fluoroplastic pump-lined fluorine pipe as recited in claim 1 wherein said acidic solution is a 0.1% hydrochloric acid solution.
3. A process for producing a fluoroplastic pump-lined fluorine pipe as recited in claim 1 wherein said basic solution is a 0.2% sodium hydroxide solution.
4. A process for producing a fluoroplastic pump lined fluorine pipe according to claim 1, wherein in step S4, the heating temperature at the pipe joint is 160 ℃.
5. A process for producing a fluoroplastic pump-lined fluorine pipe according to claim 1, wherein in step S4, the temperature is raised to 215 ℃ during melt compounding.
6. A process for producing a fluoroplastic pump lined fluorine pipe according to claim 1, wherein said spraying apparatus comprises a column, a beam and a component placement table; a cross beam is arranged above the upright post; a first electric telescopic rod is arranged below the cross beam of the part placing table arranged between the stand columns; a first mounting plate is connected to the lower part of the first electric telescopic rod; a rotating motor is arranged above the center of the first mounting plate, and a rotating shaft is connected below the rotating motor; a second mounting plate is arranged below the rotating shaft; a second electric telescopic rod is installed at one end of the bottom surface of the second installation plate, a sliding block is arranged at the front end of the second electric telescopic rod and matched with a sliding rail to slide, and the sliding rail is installed on the bottom surface of the second installation plate; a cross support is arranged below the sliding block; one end above the cross brace is rotatably fixed below the sliding block, the other end of the cross brace is rotatably fixed below the second mounting plate, and supporting legs are transversely arranged below the cross brace; a spray gun is arranged on the left side of the cross support, and a drying system is arranged on the right side of the cross support; the spray gun passes through the bolt fastening on the third mounting panel, and the third mounting panel is fixed in the inboard of stand.
7. A process for preparing a fluoroplastic pump lined fluorine pipeline according to claim 6, wherein the rotary motor is a variable-frequency speed-regulating motor.
8. A process for preparing a fluoroplastic pump lined fluorine pipeline according to claim 7, wherein the cross section of the slide rail is in the shape of an inverted trapezoid.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011234832.1A CN112373060A (en) | 2018-12-31 | 2018-12-31 | Production process of fluorine lining pipeline of fluoroplastic pump |
| CN201811650602.6A CN109822930B (en) | 2018-12-31 | 2018-12-31 | Production process of fluorine lining pipeline of fluoroplastic pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811650602.6A CN109822930B (en) | 2018-12-31 | 2018-12-31 | Production process of fluorine lining pipeline of fluoroplastic pump |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011234832.1A Division CN112373060A (en) | 2018-12-31 | 2018-12-31 | Production process of fluorine lining pipeline of fluoroplastic pump |
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| Publication Number | Publication Date |
|---|---|
| CN109822930A CN109822930A (en) | 2019-05-31 |
| CN109822930B true CN109822930B (en) | 2021-03-12 |
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| CN201811650602.6A Active CN109822930B (en) | 2018-12-31 | 2018-12-31 | Production process of fluorine lining pipeline of fluoroplastic pump |
| CN202011234832.1A Withdrawn CN112373060A (en) | 2018-12-31 | 2018-12-31 | Production process of fluorine lining pipeline of fluoroplastic pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH562098A5 (en) * | 1973-02-27 | 1975-05-30 | Steiger Engineering Ag | |
| EP0059619A1 (en) * | 1981-02-27 | 1982-09-08 | Junkosha Co. Ltd. | Method of manufacturing porous tetrafluoroethylene tubes |
| JPH091679A (en) * | 1995-06-19 | 1997-01-07 | Mitsubishi Cable Ind Ltd | Manufacture of tetrafluoride ethylene resin product |
| CN102937100A (en) * | 2012-10-14 | 2013-02-20 | 浙江大江山泵阀制造有限公司 | Fluorine-lined alloy liquid ring vacuum pump and manufacturing method thereof |
-
2018
- 2018-12-31 CN CN201811650602.6A patent/CN109822930B/en active Active
- 2018-12-31 CN CN202011234832.1A patent/CN112373060A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN112373060A (en) | 2021-02-19 |
| CN109822930A (en) | 2019-05-31 |
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Effective date of registration: 20220621 Address after: 246725 Auto Parts Industrial Park, hengbu Town, Zongyang County, Tongling City, Anhui Province Patentee after: ANHUI CONGHE TRANSMISSION TECHNOLOGY Co.,Ltd. Address before: 246700 Jinshan Road, Zongyang Town, Zongyang County, Tongling, Anhui, China Patentee before: ZONGYANG ZHONGBANG TECHNOLOGY INFORMATION CONSULTING Co.,Ltd. |
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Denomination of invention: A kind of production process of fluorine plastic pump lined with fluorine pipeline Effective date of registration: 20220804 Granted publication date: 20210312 Pledgee: ZHANGYANG COUNTY BRANCH OF CHINA POST SAVING BANK Co.,Ltd. Pledgor: ANHUI CONGHE TRANSMISSION TECHNOLOGY Co.,Ltd. Registration number: Y2022980011985 |
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Date of cancellation: 20230914 Granted publication date: 20210312 Pledgee: ZHANGYANG COUNTY BRANCH OF CHINA POST SAVING BANK Co.,Ltd. Pledgor: ANHUI CONGHE TRANSMISSION TECHNOLOGY Co.,Ltd. Registration number: Y2022980011985 |