CN117885314B

CN117885314B - Tight lining pultrusion machine for polytetrafluoroethylene lining steel pipe and control method thereof

Info

Publication number: CN117885314B
Application number: CN202311865185.8A
Authority: CN
Inventors: 戴蒙飞; 罗映波
Original assignee: Yangzhou Mengfei Environmental Protection Technology Co ltd
Current assignee: Yangzhou Mengfei Environmental Protection Technology Co ltd
Priority date: 2023-12-29
Filing date: 2023-12-29
Publication date: 2024-08-20
Anticipated expiration: 2043-12-29
Also published as: CN117885314A

Abstract

The invention discloses a tight lining pultrusion machine for polytetrafluoroethylene lining steel pipes, which comprises a first base, a cover cylinder and a machine shell, wherein the left side of the first base is provided with a second base, the left side of the second base is provided with a third base, an operation table is connected onto the third base in a sliding manner, the inner wall of the machine shell is provided with a steel pipe shell, the inner wall of the steel pipe shell is provided with a polytetrafluoroethylene pipe, an extrusion mechanism is arranged on the right side of the inner part of the cover cylinder, the front wall and the rear wall of the machine shell are equidistantly provided with a plurality of blending mechanisms, the front side of the middle part of the top of the operation table is rotationally connected with a uniform mechanism, and the right side of the bottom of the machine shell is provided with an adjusting mechanism.

Description

Tight lining pultrusion machine for polytetrafluoroethylene lining steel pipe and control method thereof

Technical Field

The invention relates to the technical field of polytetrafluoroethylene lining steel pipes, in particular to a tight lining pultrusion machine of polytetrafluoroethylene lining steel pipes and a control method thereof.

Background

The polytetrafluoroethylene tube is a high-quality plunger extrusion tube, a special processing technology is adopted, the steel tube and the plastic tube are tightly combined, the high-quality plunger extrusion tube has reliable and excellent corrosion resistance, and is used for conveying highly corrosive gas and liquid at high temperature, which cannot be replaced by other pipelines, various special-shaped materials and parts such as bars, tubes, films, bearings, gaskets, valves and the like made of polytetrafluoroethylene are widely applied to the fields of machinery, chemical industry, aviation, electric electronics, national defense industry, tip technology, medical and health and electrical insulation, in the prior art, the tight lining pultrusion device of the polytetrafluoroethylene lining steel tube has more defects in the use process, for example, when the polytetrafluoroethylene lining steel tube is used, the polytetrafluoroethylene lining steel tube cannot be rapidly and automatically discharged after being formed, is difficult to take out, in addition, the polytetrafluoroethylene lining steel tube cannot be rapidly polished and smoothed on an outer surface in time due to frequent change of temperature and pressure and large change range.

Disclosure of Invention

The invention aims to provide a tight lining pultrusion machine for polytetrafluoroethylene lining steel pipes and a control method thereof, which are used for solving the problems that when the tight lining pultrusion machine is used, the polytetrafluoroethylene lining steel pipes cannot be quickly and automatically discharged after being formed and are difficult to take out due to the narrow inner space and small inner diameter of the steel pipes, and in addition, the polytetrafluoroethylene lining steel pipes are difficult to take out due to the fact that the temperature and the pressure are frequently changed and the change range is large, the forming effect of the polytetrafluoroethylene lining steel pipes is poor, and meanwhile, polishing and smoothing of the outer surfaces cannot be quickly and timely carried out on the polytetrafluoroethylene lining steel pipes taken out in the forming process.

In order to achieve the above purpose, the present invention provides the following technical solutions: the tight lining pultrusion machine for the polytetrafluoroethylene lining steel pipe comprises a first base, a cover cylinder and a machine shell, wherein a second base is arranged on the left side of the first base, a third base is arranged on the left side of the second base, an operation table is connected onto the third base in a sliding mode, a steel pipe shell is arranged on the inner wall of the machine shell, a polytetrafluoroethylene pipe is arranged on the inner wall of the steel pipe shell, an extrusion mechanism is arranged on the right side of the inner part of the cover cylinder, a plurality of blending mechanisms are arranged on the front wall and the rear wall of the machine shell at equal intervals, a uniform mechanism is connected to the front side of the middle part of the top of the operation table in a rotating mode, and an adjusting mechanism is arranged on the right side of the bottom of the machine shell;

the extrusion mechanism comprises a first motor, the first motor is arranged on the right side of the inside of the cover cylinder, the output end of the first motor is fixedly connected with the right end of a connecting rod, the left end of the connecting rod is fixedly connected with a threaded rod, the threaded rod is in threaded connection with the inside of the cover cylinder, the threaded rod is in threaded connection with a movable sleeve rod, a plurality of miniature pneumatic telescopic rods are uniformly distributed on the upper part and the lower part of the outer wall of the movable sleeve rod at equal intervals, the output ends of the miniature pneumatic telescopic rods are fixedly connected with arc supporting frames, and the left side of the movable sleeve rod is contacted with the right side of a polytetrafluoroethylene tube;

The utility model provides a plurality of tempering mechanism includes a plurality of through-hole pipes, a plurality of interior arc groove, sealed inner shell, and a plurality of through-hole pipe equidistance distributes the front and back wall at the casing, a plurality of interior arc groove equidistance distributes the inside front and back wall at the steel pipe shell, sealed inner shell cover is established the outer wall at the casing, sealed inner shell's outer wall cover is equipped with sealed shell, both sides all link up around the sealed shell have a side case, and a plurality of through-hole pipe runs through respectively on both sides side case around, the protection outer case is installed on sealed outer shell's upper portion, the inside of protection outer case is provided with the control voltage case, control voltage case and spiral electric tube electric connection, the spiral electric tube is installed on sealed inner shell's inner wall, two the inside of side case all equidistance is provided with a plurality of automatic fans.

As a preferable technical scheme of the invention, the uniform mechanism comprises a rolling grinding roller I, a rolling grinding roller II and a lower arc plate, wherein the rolling grinding roller I and the rolling grinding roller II are respectively and rotatably connected to the front side and the rear side of the middle part of the top of the operating platform, the middle part of the rolling grinding roller I is fixedly connected with a rotating wheel I, the middle part of the rolling grinding roller II is fixedly connected with a rotating wheel II, the left side of the rotating wheel I is provided with a belt pulley I, the left side of the rotating wheel II is provided with a belt pulley II, the belt pulley I is connected with one side of a belt, the other side of the belt is connected with the belt pulley II, the left end of the rotating wheel I is fixedly connected with the output end of a motor II, the rolling grinding roller I and the rolling grinding roller II are both in contact with a polytetrafluoroethylene tube, and the right side of the lower arc plate is arranged at the left side edge of the top of the operating platform.

As a preferable technical scheme of the invention, the adjusting mechanism comprises a first supporting block and a second supporting block, the first supporting block is arranged on the right side of the bottom of the shell, the first supporting block is rotationally connected with the movable column, the front side and the rear side of the movable column are respectively provided with a supporting frame, the second supporting block is arranged on the left side of the bottom of the shell, the bottom of the second supporting block is connected with the output end of the pneumatic cylinder, and the pneumatic cylinder is arranged on the left side of the top of the second base.

As a preferable technical scheme of the invention, the left and right ends of the front side of the top of the first base are respectively provided with a clamping groove, the two clamping grooves are both in sliding connection with the bottom of a clamping frame, and the two clamping frames are respectively arranged on the left and right sides of the cover cylinder.

As a preferable technical scheme of the invention, the left and right sides of the bottoms of the two side tanks are respectively provided with a fixing frame, the bottoms of the two fixing frames are respectively provided with a rubber column, and the outer walls of the two rubber columns are respectively sleeved with a reset spring.

As a preferable technical scheme of the invention, the front side and the rear side of the base III are respectively provided with a sliding plate, and the two sliding plates are respectively and slidably connected to the bottom of the inner side of the operating platform.

As a preferable technical scheme of the invention, the movable sleeve rod is rotatably connected to the inner wall of the steel pipe shell.

As a preferred technical solution of the present invention, the casing, the sealed housing and the two side cases are flat or low on the left and high on the right.

The invention discloses a control method of a tight lining pultrusion machine for polytetrafluoroethylene lining steel pipes, which comprises the following steps:

S1: preparation: a. checking whether the extruder equipment is in normal operation or not, and ensuring sufficient tetrafluoro material in the extruder, b. Preparing an extrusion die and auxiliary tools of tetrafluoro pipe, such as a cutting knife, a clamp and the like, c. Confirming that an operator has correctly worn labor protection articles;

S2: starting up preparation: a. preheating an extruder to a proper temperature, and adjusting according to the characteristics and requirements of extruded materials, b. Cleaning a feed inlet and a chute of the extruder to ensure normal conveying of tetrafluoro materials;

s3: extrusion molding operation: a. putting the tetrafluoro material into a hopper of an extruder, adjusting the feeding speed and the extrusion pressure according to the production requirement, b, ensuring the normal operation of the extruder, and feeding the extruded tetrafluoro material into a die, c, controlling the operation speed and the extrusion temperature of the extruder according to the product size and the length requirement, d, observing the condition of the extrusion outlet material, and ensuring the quality and the size of the extrusion outlet material to meet the requirements;

s4: and (3) product treatment: a. cutting the extruded tetrafluoro pipe according to the requirement to ensure that the length and the size of the extruded tetrafluoro pipe meet the product standard, b. Carrying out necessary product inspection and quality acceptance to ensure that the product has no defects and quality problems, c. Classifying, packaging and storing the qualified tetrafluoro pipe to prevent the product from being polluted and damaged.

Compared with the prior art, the invention has the beneficial effects that:

1. Through the arrangement of the extrusion mechanism, and under the cooperation of the motor I, the connecting rod, the threaded rod, the movable loop bar, the miniature pneumatic telescopic rod and the arc supporting frame, the tetrafluoroethylene pipe can be quickly and automatically discharged after being molded and can be quickly taken out;

2. Through the setting of reconciliation mechanism to under the cooperation of through-hole pipe, interior arc groove, spiral electric tube, control voltage case, automatic fan, sealed shell, side case, sealed inner shell and protection outer case, consequently make temperature and pressure frequently change and change in the great environment of range, polytetrafluoroethylene inside lining steel pipe fashioned effect can not influence.

3. Through the setting of even mechanism to under the cooperation of roll grinding roller one, roll grinding roller two, runner one, runner two, belt pulley one, belt pulley two, belt, motor two and lower arc board, consequently make the shaping take out polytetrafluoroethylene inside lining steel pipe can be timely carry out the quick smoothness of polishing to the outer table.

4. Through the combination of threaded rod and movable loop bar to and the setting of miniature pneumatic telescopic link, realized the accurate extrusion and the shape control to polytetrafluoroethylene pipe. The design makes the extrusion process more stable and can adapt to the environment with frequent change of temperature and pressure. The use of the miniature pneumatic telescopic rod further improves the extrusion precision, so that the molded pipe is more in line with the specification, and the problem of poor molding effect caused by environmental change in the past is avoided.

5. Through setting up a plurality of tempering mechanisms such as through-hole pipe, inner arc groove, sealed inner shell and sealed shell, realized the quick smoothness of polishing and the shape adjustment to the polytetrafluoroethylene inside lining steel pipe after extruding. The design of the blending mechanism ensures that the polytetrafluoroethylene lining steel pipe taken out by molding can be polished smoothly in time and efficiently, thereby improving the overall quality of the product. Meanwhile, the arrangement of the sealed inner shell ensures the cleanness of the whole operation environment and avoids the influence of external factors on the quality of the product.

6. Through the synergistic effect of the uniform mechanism (the rolling grinding roller and the lower arc plate) and the adjusting mechanism (the first supporting block, the second supporting block and the pneumatic cylinder), the uniformity adjustment of the polytetrafluoroethylene lining steel pipe and the stable support of the whole structure are realized. The synergistic design makes the extruded product more uniform, and avoids the problems of irregular shape or uneven thickness possibly occurring. The stability of the whole machine is further improved by the aid of the adjusting mechanism, and consistent extrusion effect can be ensured under different working conditions.

Drawings

FIG. 1 is a perspective view showing the overall structure of the present invention;

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

FIG. 3 is an enlarged view at B of FIG. 1;

FIG. 4 is an enlarged view at C of FIG. 1;

FIG. 5 is a cross-sectional structural representation of the present invention;

FIG. 6 is a top perspective view of the present invention;

FIG. 7 is a left side perspective view of the present invention;

FIG. 8 is a right side perspective view of the present invention;

Fig. 9 is a front perspective view of the present invention.

In the figure: 1. a first base; 2. a second base; 3. a base III; 4. a housing; 5. a cover cylinder; 6. an operation table; 7. an extrusion mechanism; 701. a first motor; 702. a connecting rod; 703. a threaded rod; 704. a movable loop bar; 705. a miniature pneumatic telescopic rod; 706. an arc supporting frame; 8. a reconciliation mechanism; 801. a through hole pipe; 802. an inner arc groove; 803. a spiral electric tube; 804. a control voltage box; 805. an automatic fan; 806. a sealed housing; 807. a side case; 808. sealing the inner shell; 809. a protective outer case; 9. a uniformity mechanism; 901. rolling a polishing roller I; 902. a rolling grinding roller II; 903. a first rotating wheel; 904. a second rotating wheel; 905. a first belt pulley; 906. a belt pulley II; 907. a belt; 908. a second motor; 909. a lower arc plate; 10. a steel tube shell; 11. a polytetrafluoroethylene tube; 12. a clamping groove; 13. a clamping frame; 14. an adjusting mechanism; 1401. a movable column; 1402. a support frame; 1403. a first supporting block; 1404. a second supporting block; 1405. a pneumatic cylinder; 15. a fixing frame; 16. a rubber column; 17. a return spring; 18. and (3) a sliding plate.

Detailed Description

The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-9, the invention provides a tight lining pultrusion machine for polytetrafluoroethylene lining steel pipes, which comprises a first base 1, a cover cylinder 5 and a casing 4, wherein a second base 2 is arranged on the left side of the first base 1, a third base 3 is arranged on the left side of the second base 2, an operation table 6 is connected on the third base 3 in a sliding manner, a steel pipe shell 10 is arranged on the inner wall of the casing 4, a polytetrafluoroethylene pipe 11 is arranged on the inner wall of the steel pipe shell 10, an extrusion mechanism 7 is arranged on the right side of the inner part of the cover cylinder 5, a plurality of blending mechanisms 8 are arranged on the front wall and the rear wall of the casing 4 at equal intervals, a uniform mechanism 9 is connected on the front side of the top middle part of the operation table 6 in a rotating manner, and an adjusting mechanism 14 is arranged on the right side of the bottom of the casing 4;

The extrusion mechanism 7 comprises a first motor 701, the first motor 701 is arranged on the right side of the inside of the cover cylinder 5, the output end of the first motor 701 is fixedly connected with the right end of the connecting rod 702, the left end of the connecting rod 702 is fixedly connected with the threaded rod 703, the threaded rod 703 is in threaded connection with a movable sleeve rod 704 in the cover cylinder 5, a plurality of micro pneumatic telescopic rods 705 are uniformly distributed on the upper part and the lower part of the outer wall of the movable sleeve rod 704 at equal intervals, the output ends of the plurality of micro pneumatic telescopic rods 705 are fixedly connected with an arc supporting frame 706, the left side of the movable sleeve rod 704 is contacted with the right side of the polytetrafluoroethylene tube 11, the connecting rod 702 is driven to rotate by the first motor 701, the threaded rod 702 is driven to rotate by the rotation of the connecting rod 702, the threaded rod 703 drives the movable sleeve rod 704 to move towards the polytetrafluoroethylene tube 11 on the threaded rod 703, when the movable sleeve rod 704 moves to the right side of the polytetrafluoroethylene tube 11, the movable sleeve rod 704 continuously moves into the inner wall of the steel tube 10, the polytetrafluoroethylene tube 11 in the steel tube 10 is pushed out, and the micro pneumatic telescopic rods 705 on the movable sleeve rod 704 are simultaneously driven by the steel tube housing 10 to push the inner wall of the polytetrafluoroethylene tube 11, and the polytetrafluoroethylene tube 11 is pushed by the arc supporting frame, and the polytetrafluoroethylene tube 11 is further firmly pushed by the rotation;

The plurality of blending mechanisms 8 comprise a plurality of through hole pipes 801, a plurality of inner arc grooves 802 and a sealing inner shell 808, wherein the plurality of through hole pipes 801 are equidistantly distributed on the front wall and the rear wall of the shell 4, the plurality of inner arc grooves 802 are equidistantly distributed on the front wall and the rear wall of the interior of the steel tube shell 10, the sealing inner shell 808 is sleeved on the outer wall of the shell 4, the sealing outer shell 806 is sleeved on the outer wall of the sealing inner shell 808, the front side and the rear side of the sealing outer shell 806 are respectively penetrated by the plurality of through hole pipes 801 on the side boxes 807 on the front side and the rear side, the upper part of the sealing outer shell 806 is provided with a protection outer box 809, the inside of the protection outer box 809 is provided with a control voltage box 804, the control voltage box 804 is electrically connected with a spiral electric tube 803, the spiral electric tube 803 is arranged on the inner wall of the sealing inner shell 808, the inside of two side boxes 807 is provided with a plurality of automatic fans 805 equidistantly, heat spiral electric tube 803 through control voltage case 804, utilize the heat energy that the joule effect that the electric current flowed through the conductor produced to the electric heating of spiral electric tube 803, seal in sealed inner shell 808 and sealed shell 806 after spiral electric tube 803 heats, form sealed heat environment, and the heat can be heated steel pipe shell 10 through a plurality of through-hole pipes 801, a plurality of automatic fans 805 also pass through the wind-force of production at the same time, and reduce the heat to steel pipe shell 10 through a plurality of through-hole pipes 801, the heat that steel pipe shell 10 produced just like this can balance the shaping of inside polytetrafluoroethylene pipe 11 plays good effect.

The uniformity mechanism 9 comprises a first rolling grinding roller 901, a second rolling grinding roller 902 and a lower arc plate 909, the first rolling grinding roller 901 and the second rolling grinding roller 902 are respectively and rotatably connected to the front side and the rear side of the top middle part of the operating platform 6, a first rotating wheel 903 is fixedly connected to the middle part of the first rolling grinding roller 901, a second rotating wheel 904 is fixedly connected to the middle part of the second rolling grinding roller 902, a first belt pulley 905 is arranged on the left side of the first rotating wheel 903, a second belt pulley 906 is arranged on the left side of the second rotating wheel 904, the first belt pulley 905 is connected with one side of a belt 907, the other side of the belt 907 is connected with the second belt pulley 906, the left end of the first rotating wheel 903 is fixedly connected with the output end of a motor 908, the first rolling grinding roller 901 and the second rolling grinding roller 902 are both in contact with a polytetrafluoroethylene tube 11, the right side of the lower arc plate is arranged at the left side edge of the top of the operating platform 6, after the polytetrafluoroethylene tube 11 is extruded, the first rolling grinding roller 901 and the second rolling grinding roller 902 are fixedly connected, at this time the second motor 908 drives the first rotating wheel 903 to rotate, the first belt pulley 905 drives the first belt pulley 905 to rotate, the first belt pulley 905 is connected to the second belt pulley 905 rotates, the second belt pulley is connected to the second belt pulley 906 rotates the second belt pulley 904, the second belt pulley is driven to rotate the second belt pulley 904 rotates the second polytetrafluoroethylene tube 904, and the second belt pulley 904 rotates the lower end of the second belt pulley 906 rotates the upper roller 906, and the upper end is simultaneously, and the lower roller 906 rotates the upper roller 906 rotates and the lower roller 906 is rotatably and rotates.

The adjusting mechanism 14 comprises a first supporting block 1403 and a second supporting block 1404, the first supporting block 1403 is arranged on the right side of the bottom of the shell 4, the first supporting block 1403 is in rotary connection with the movable column 1401, the front side and the rear side of the movable column 1401 are provided with supporting frames 1402, the second supporting block 1404 is arranged on the left side of the bottom of the shell 4, the bottom of the second supporting block 1404 is connected with the output end of the pneumatic cylinder 1405, the pneumatic cylinder 1405 is arranged on the left side of the top of the second base 2, the second supporting block 1404 and the left side of the bottom of the shell 4 are driven to descend through the rod body of the pneumatic cylinder 1405, and the right side of the shell 4 is rotated and moved downwards towards the left side on the supporting frames 1402, so that the shell 4, the sealing shells 806, the two side boxes 807 and the steel tube shell 10 are in a left side low and right side high, and the polytetrafluoroethylene tube 11 can improve discharging efficiency during discharging.

Both ends all are provided with draw-in groove 12 about the top front side of base one 1, and two draw-in grooves 12 all with the bottom sliding connection of draw-in frame 13, two draw-in frames 13 install respectively in the left and right sides of cover section of thick bamboo 5, fix draw-in frame 13 through the setting of draw-in groove 12 to can dismantle out base one 1 with draw-in frame 13 and cover section of thick bamboo 5.

The mount 15 is all installed to the bottom left and right sides of two side boxes 807, and rubber post 16 is all installed to the bottom of two mounts 15, and the outer wall of two rubber posts 16 all overlaps and is equipped with reset spring 17, plays the effect of supporting sealed housing 806 through mount 15 and rubber post 16 to reset spring 17 promotes the effect that plays quick reset after sealed housing 806 descends.

The slide plate 18 is installed to the front and back side of base three 3, and two slide plates 18 are sliding connection respectively in the inboard bottom of operation panel 6, and through the setting of slide plate 18, operation panel 6 can carry out the shift position on base three 3.

The movable sleeve 704 is rotatably connected to the inner wall of the steel pipe case 10.

Chassis 4, sealed enclosure 806 and two side tanks 807 appear flat or left low to right high.

A control method of a tight lining pultrusion machine for polytetrafluoroethylene lining steel pipes comprises the following steps:

In the invention, the connecting rod 702 is driven to rotate by the motor 701, the threaded rod 703 is driven to rotate by the rotation of the connecting rod 702, the movable sleeve rod 704 is driven to move towards the polytetrafluoroethylene tube 11 on the threaded rod 703 by the rotation of the threaded rod 703, when the movable sleeve rod 704 moves to the right side of the polytetrafluoroethylene tube 11, the movable sleeve rod continues to move into the inner wall of the steel tube shell 10 to push out the polytetrafluoroethylene tube 11 in the steel tube shell 10, and the plurality of micro pneumatic telescopic rods 705 on the movable sleeve rod 704 also drive the arc supporting frames 706 to support the inner wall of the steel tube shell 10, so that the movable sleeve rod 704 is more stable when pushing out the polytetrafluoroethylene tube 11, and the polytetrafluoroethylene tube can be quickly discharged after being formed and quickly taken out.

The spiral electric tube 803 is heated by controlling the voltage box 804, the spiral electric tube 803 is electrically heated by utilizing heat energy generated by the Joule effect of current flowing through a conductor, the spiral electric tube 803 is sealed in the sealed inner shell 808 and the sealed outer shell 806 after being heated, a sealed heat environment is formed, the heat can heat the steel tube shell 10 through the plurality of through hole pipes 801, meanwhile, wind power generated by the plurality of automatic fans 805 also pneumatically reduces the heat of the steel tube shell 10 through the plurality of through hole pipes 801, and therefore, the heat generated by the steel tube shell 10 can balance to have a good effect on the molding of the inner polytetrafluoroethylene tube 11, and therefore, in the environment with frequent temperature and pressure changes and larger change amplitude, the molding effect of the polytetrafluoroethylene lining steel tube cannot be influenced.

After the polytetrafluoroethylene tube 11 is extruded, the polytetrafluoroethylene tube can pass through the first rolling grinding roller 901 and the second rolling grinding roller 902, at this time, the second motor 908 drives the first runner 903 to rotate, the first runner 903 rotates to drive the first pulley 905 to rotate, the first pulley 905 drives the second pulley 906 to rotate through the connected belt 907, the second pulley 906 rotates to drive the second runner 904 to rotate, the first runner 903 and the second runner 904 simultaneously rotate to drive the first rolling grinding roller 901 and the second rolling grinding roller 902 to rotate so as to grind the outer surface of the polytetrafluoroethylene tube 11 passing through and simultaneously can rotate and convey the polytetrafluoroethylene tube 11 to the lower arc plate 909 to discharge, and therefore the polytetrafluoroethylene lining steel tube formed and taken out can be timely and rapidly polished and smoothed.

Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.

Claims

1. The utility model provides a tight lining pultrusion machine of polytetrafluoroethylene inside lining steel pipe, includes base one (1), cover section of thick bamboo (5) and casing (4), its characterized in that: the novel plastic extruder is characterized in that a second base (2) is arranged on the left side of the first base (1), a third base (3) is arranged on the left side of the second base (2), an operation table (6) is connected to the third base (3) in a sliding mode, a steel tube shell (10) is arranged on the inner wall of the machine shell (4), a polytetrafluoroethylene tube (11) is arranged on the inner wall of the steel tube shell (10), an extrusion mechanism (7) is arranged on the right side of the inner portion of the cover tube (5), a plurality of blending mechanisms (8) are arranged on the front wall and the rear wall of the machine shell (4) at equal intervals, a uniform mechanism (9) is connected to the front side of the middle part of the top of the operation table (6) in a rotating mode, and an adjusting mechanism (14) is arranged on the right side of the bottom of the machine shell (4).

The extrusion mechanism (7) comprises a first motor (701), the first motor (701) is arranged on the right side of the inside of the cover cylinder (5), the output end of the first motor (701) is fixedly connected with the right end of the connecting rod (702), the left end of the connecting rod (702) is fixedly connected with the threaded rod (703), the threaded rod (703) is in threaded connection with the inside of the cover cylinder (5), the threaded rod (703) is in threaded connection with a movable sleeve rod (704), a plurality of miniature pneumatic telescopic rods (705) are uniformly distributed on the upper part and the lower part of the outer wall of the movable sleeve rod (704) at equal intervals, the output ends of the miniature pneumatic telescopic rods (705) are fixedly connected with arc supporting frames (706), and the left side of the movable sleeve rod (704) is in contact with the right side of the polytetrafluoroethylene tube (11);

The mixing mechanism (8) comprises a plurality of through hole pipes (801), a plurality of inner arc grooves (802) and a sealing inner shell (808), wherein the through hole pipes (801) are equidistantly distributed on the front wall and the rear wall of the shell (4), the inner arc grooves (802) are equidistantly distributed on the front wall and the rear wall of the interior of the steel tube shell (10), the sealing inner shell (808) is sleeved on the outer wall of the shell (4), the sealing outer shell (806) is sleeved on the outer wall of the sealing inner shell (808), side boxes (807) are respectively penetrated on the front side and the rear side of the sealing outer shell (806), a protective outer box (809) is arranged on the upper portion of the sealing outer shell (806), a control voltage box (804) is arranged in the interior of the protective outer box (809), the control voltage box (804) is electrically connected with a spiral electric tube (803), the spiral electric tube (803) is arranged on the inner wall of the sealing inner shell (808), and a plurality of fans (805) are respectively arranged in the two side boxes (807) at equal intervals;

The utility model provides a uniform mechanism (9) is including rolling grinding roller one (901), rolling grinding roller two (902) and lower arc board (909), rolling grinding roller one (901) and rolling grinding roller two (902) rotate respectively and connect in the top middle part front and back side of operation panel (6), the middle part fixedly connected with runner one (903) of rolling grinding roller one (901), the middle part fixedly connected with runner two (904) of rolling grinding roller two (902), pulley one (905) is installed in the left side of runner one (903), pulley two (906) are installed in the left side of runner two (904), pulley one (905) links to each other with one side of belt (907), the opposite side of belt (907) links to each other with pulley two (906), the left end and the output fixedly connected with of motor two (908) of runner one (901), rolling grinding roller one (901) and rolling grinding roller two (902) all contact with polytetrafluoroethylene tube (11), the left side of lower arc board (909) is installed at the top of operation panel (6).

2. A tight-lining pultrusion machine for polytetrafluoroethylene lining steel pipes according to claim 1, characterized in that: the adjusting mechanism (14) comprises a first supporting block (1403) and a second supporting block (1404), the first supporting block (1403) is arranged on the right side of the bottom of the machine shell (4), the first supporting block (1403) is rotationally connected with the movable column (1401), the supporting frames (1402) are arranged on the front side and the rear side of the movable column (1401), the second supporting block (1404) is arranged on the left side of the bottom of the machine shell (4), the bottom of the second supporting block (1404) is connected with the output end of the pneumatic cylinder (1405), and the pneumatic cylinder (1405) is arranged on the left side of the top of the second base (2).

3. A tight-lining pultrusion machine for polytetrafluoroethylene lining steel pipes according to claim 1, characterized in that: both ends all are provided with draw-in groove (12) about the top front side of base one (1), two draw-in groove (12) all with the bottom sliding connection of clamping frame (13), two clamping frame (13) are installed respectively in the left and right sides of cover section of thick bamboo (5).

4.A tight-lining pultrusion machine for polytetrafluoroethylene lining steel pipes according to claim 1, characterized in that: the left and right sides of the bottom of each side box (807) are provided with fixing frames (15), the bottoms of each fixing frame (15) are provided with rubber columns (16), and the outer walls of each rubber column (16) are sleeved with a reset spring (17).

5. A tight-lining pultrusion machine for polytetrafluoroethylene lining steel pipes according to claim 1, characterized in that: the front side and the rear side of the base III (3) are respectively provided with a sliding plate (18), and the two sliding plates (18) are respectively connected with the bottom of the inner side of the operating platform (6) in a sliding way.

6. A tight-lining pultrusion machine for polytetrafluoroethylene lining steel pipes according to claim 1, characterized in that: the movable sleeve rod (704) is rotatably connected to the inner wall of the steel pipe shell (10).