CN211194663U

CN211194663U - Plastic-coated equipment for inner wall of steel pipe

Info

Publication number: CN211194663U
Application number: CN201922162094.3U
Authority: CN
Inventors: 刘庆安
Original assignee: Tianjin Longshengfeng Pipeline Technology Co ltd
Current assignee: Tianjin Longshengfeng Pipeline Technology Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-08-07
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a plastic-coated equipment for the inner wall of a steel pipe, which relates to the technical field of steel pipe spraying equipment and comprises a base, wherein two middle guide rails and end guide rails which are arranged in parallel are fixed on the base, and two rotating devices which are respectively positioned at two ends of the middle guide rails and are arranged oppositely are arranged on the base; the rotating device comprises a fixed plate, a fixed turntable is rotatably arranged on the fixed plate, a movable turntable is slidably arranged on the fixed plate, and a rotating motor is arranged on the fixed plate; the middle guide rail and the end guide rail are provided with support frames in a sliding mode, and the support frames are provided with heating barrels which are used for being sleeved on the pipe to be processed and used for heating the pipe to be processed in a lifting mode. The utility model discloses a processing pipe is treated in the setting of two cartridge heaters, tip guide rail and middle part guide rail and is heated, and the setting up of fixed carousel, activity carousel and rotation motor makes simultaneously and treats that processing pipe rotates around self axis, moulds the powder and is more even in the distribution of treating the processing inside pipe wall, has simple structure, scribbles the good characteristics of plastic mass.

Description

Plastic-coated equipment for inner wall of steel pipe

Technical Field

The utility model relates to a steel pipe spraying equipment technical field especially relates to a steel pipe inner wall plastic-coated equipment.

Background

The plastic-coated steel pipe is a novel anti-corrosion pipeline, the inner and outer surfaces of the plastic-coated steel pipe are provided with plastic-coated protective layers, and the middle of the plastic-coated steel pipe is provided with a reinforced steel pipe or a seamless pressure-bearing steel pipe. The plastic-coated steel pipe overcomes the defects of easy rusting and corrosion of the steel pipe, avoids the defects of low plastic strength and easy deformation, has good compressive strength, and is suitable for the penetration and installation of cables and the like.

The existing plastic coating process for the steel pipe is to heat the steel pipe, then uniformly add plastic powder into the steel pipe along the length direction of the steel pipe, the steel pipe filled with the plastic powder is a pipe to be processed, and then adsorb the plastic powder to the inner wall of the pipe to be processed by the heat of the pipe to be processed for plastic coating, so that the obtained product is the plastic coated pipe. The scheme has the problems that after the plastic powder is fed into the steel pipe, the plastic powder can be immediately adsorbed on the inner wall of the pipe to be processed and is difficult to uniformly disperse, so that the thickness of the plastic coating layer in the plastic coating pipe is uneven.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a steel pipe inner wall plastic-coated equipment can treat the processing inside pipe wall and carry out the plastic-coated processing, and mould the powder and be treating that the processing inside pipe wall distributes evenly, has the good characteristics of plastic-coated quality.

The utility model discloses a can realize through following technical scheme:

a plastic coating device for the inner wall of a steel pipe comprises a base, wherein two parallel middle guide rails and two parallel end guide rails are fixed on the upper end surface of the base, and two rotating devices which are respectively positioned at two ends of the middle guide rails and are oppositely arranged are arranged on the base; the rotating device comprises a fixed plate fixed on the base, a fixed turntable is arranged on the fixed plate in a rotating mode, a movable turntable is arranged on the fixed plate in a sliding mode, and a rotating motor for driving the movable turntable to rotate is arranged on the fixed plate; the middle part guide rail with all slide on the tip guide rail and be provided with the support frame, go up and down to be provided with on the support frame and be used for the cover to establish and treat on treating the processing pipe and treat the heating cylinder that the processing pipe carries out the heating.

Through adopting above-mentioned technical scheme, according to the position of the diameter adjustment activity carousel of waiting to process the pipe and the height of cartridge heater, will wait to process on the pipe arranges the fixed turntable and the activity carousel of middle part guide rail one end in and wear to establish cartridge heater on the middle part guide rail to the fixed turntable and the activity carousel of the middle part guide rail other end in, under the rotation motor effect, it rotates around self axis direction to wait to process the pipe, cartridge heater on the guide rail of middle part slides along the middle part guide rail and treats the middle part of processing the pipe and heat, cartridge heater on the tip guide rail slides along the tip guide rail and treats the both ends of processing the pipe and heat. The utility model discloses a processing pipe is treated in the setting of two cartridge heaters, tip guide rail and middle part guide rail and is heated, and the setting up of fixed carousel, activity carousel and rotation motor makes simultaneously and treats that processing pipe rotates around self axis, moulds the powder and is treating the distribution of processing inside pipe wall more even. The utility model discloses can treat the processing inside pipe wall and carry out the plastic-coated processing, and mould the powder and be treating processing inside pipe wall distribution evenly, have simple structure, the good characteristics of plastic-coated quality.

Further setting the following steps: the support frame include the urceolus with go up and down set up in interior pole in the urceolus, the urceolus sets up the passageway that slides that two relative settings set up along its length direction, interior pole is kept away from the one end of urceolus can be dismantled and be connected with the cartridge heater, interior pole is kept away from the connecting hole has been seted up along its radial direction to the one end of cartridge heater, the passageway that slides with wear to be equipped with connecting bolt in the connecting hole.

Through adopting above-mentioned technical scheme, unscrew connecting bolt and can follow the interior pole of the vertical removal of passageway that slides, adjust to suitable high back with interior pole, screw up connecting bolt and can fix the position of pole to the height of convenient adjustment cartridge heater, the cartridge heater dismantlement that can be convenient is convenient for change the cartridge heater of different specifications.

Further setting the following steps: the middle part guide rail with the tip guide rail all slides and is provided with the urceolus, it is provided with initiative rail wheel and driven rail wheel to rotate on the urceolus, initiative rail wheel with driven rail wheel all with the middle part guide rail with the tip guide rail roll cooperation, the drive has set firmly on the urceolus initiative rail wheel pivoted driving motor.

By adopting the technical scheme, under the action of the driving motor, the driving track wheel drives the driven track to rotate, so that the two outer cylinders respectively slide on the middle guide rail and the end guide rail.

Further setting the following steps: the heating cylinder is clamped on the inner rod.

By adopting the technical scheme, the heating cylinder and the inner rod can be conveniently disassembled and assembled, and the appropriate heating cylinder can be selected according to the specification of the pipe to be processed. In addition, the heating cylinder arranged on the end part guide rail can be detached after one end of the pipe to be processed is heated, and the heating cylinder is installed on the inner rod to heat the other end of the pipe to be processed after the outer cylinder on the end part guide rail is slid to the other end of the pipe to be processed.

Further setting the following steps: and the outer cylinder is fixedly provided with a powder supply machine in sliding fit with the end guide rail, the powder supply machine is detachably connected with a telescopic plastic powder spray head, and the plastic powder spray head is in plug-in fit with the outer wall of the pipe to be processed.

By adopting the technical scheme, if the end part of the pipe to be processed needs to be supplemented with the molding powder, the molding powder spray head can be pulled out and inserted on the outer wall of the pipe to be processed, and the molding powder is sprayed out from the end part of the pipe to be processed.

Further setting the following steps: the powder supply machine is connected with an expansion joint, and one end of the expansion joint, which is far away from the powder supply machine, is spliced with the plastic powder spray head.

Through adopting above-mentioned technical scheme, if the tip of waiting to process the pipe needs to mend the plastic powder, can pull out waiting to process the outer wall blowout plastic powder of pipe with moulding the powder shower nozzle, if wait to process the pipe end portion and need not to replenish the plastic powder, can push back moulding the powder shower nozzle, save space.

Further setting the following steps: the fixed plate is characterized in that a plurality of linearly arranged pin holes are formed in one side of the fixed plate, a bearing seat is arranged on one side of the fixed plate in a sliding mode, positioning holes corresponding to the pin holes are formed in the bearing seat, the bearing seat is fixed to the fixed plate through positioning pins matched with the pin holes in an inserting mode, and the movable rotary plate is arranged on the bearing seat in a rotating mode and fixedly provided with the rotating motor.

Through adopting above-mentioned technical scheme, extract the locating pin, move the bearing frame to suitable position, make pinhole and locating hole correspond, insert the locating pin, the position of adjustment bearing frame that can be convenient to adjust the distance between fixed carousel and the activity carousel, make rotating device adapt to the processing of treating processing pipe of different pipe diameters.

To sum up, the utility model discloses a beneficial technological effect does:

(1) heating the pipe to be processed by arranging the two heating cylinders, the end guide rails and the middle guide rail, and adsorbing the plastic powder on the inner wall of the hot pipe to be processed;

(2) through the arrangement of the fixed turntable, the movable turntable and the rotating motor, the pipe to be processed can rotate around the axis direction of the pipe to be processed, and the distribution of the molding powder on the inner wall of the pipe to be processed is more uniform;

(3) through the arrangement of the powder supply machine and the powder molding spray head, the powder molding complementary spraying can be carried out on the two ends of the pipe to be processed, so that the plastic coating layer on the inner wall of the pipe to be processed is more uniform.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the structure of the rotating device;

fig. 3 is a partial structural schematic view of the present invention (mainly showing the support frame, the end rail and the middle rail);

FIG. 4 is a schematic view of a partial explosion of the support frame;

fig. 5 is a schematic view showing a positional relationship among the outer cylinder, the driving rail wheel, and the driven rail wheel.

Reference numerals: 1. a base; 2. a middle guide rail; 3. an end guide rail; 4. a fixing plate; 5. fixing the rotary table; 6. a movable turntable; 7. rotating the motor; 8. a support frame; 9. a heating cylinder; 10. an outer cylinder; 11. a slipping channel; 12. an inner rod; 13. connecting holes; 14. a connecting bolt; 15. a driving rail wheel; 16. a driven rail wheel; 17. a drive motor; 18. a powder supply machine; 19. a molding powder spray head; 20. an expansion joint; 21. a pin hole; 22. positioning pins; 23. positioning holes; 24. and a bearing seat.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1, for the utility model discloses a steel pipe inner wall plastic-coated equipment, including base 1, base 1 up end is fixed with two parallel arrangement's middle part guide rail 2 and tip guide rail 3, and tip guide rail 3 is longer than middle part guide rail 2's length. The base 1 is provided with two rotating devices which are respectively positioned at two ends of the middle guide rail 2 and are arranged oppositely, and the rotating devices are used for pushing the pipe to be processed to rotate around the direction of the central axis of the rotating devices.

Referring to fig. 1 and 2, the rotating device includes a fixing plate 4 fixed on the base 1, a fixing turntable 5 is rotatably disposed on the fixing plate 4, a plurality of pin holes 21 arranged linearly are formed in one side of the fixing plate 4, a bearing seat 24 is slidably disposed on one side of the fixing plate 4, a positioning hole 23 corresponding to the pin hole 21 is formed in the bearing seat 24, the bearing seat 24 is fixed to the fixing plate 4 through a positioning pin 22 matched with the pin hole 21 in an inserting manner, and a movable turntable 6 is rotatably disposed on the bearing seat 24. The positioning pin 22 is pulled out, then the bearing seat 24 is moved to a proper position, the pin hole 21 corresponds to the positioning hole 23, the positioning pin 22 is inserted, the position of the bearing seat 24 can be conveniently adjusted, and therefore the distance between the fixed turntable 5 and the movable turntable 6 can be adjusted. The bearing seat 24 is fixed with a rotating motor 7, and the rotating motor 7 is in transmission connection with the movable turntable 6. Under the effect of rotating motor 7, movable turntable 6 rotates, drives to wait to process pipe and fixed turntable 5 and rotates, waits to process the pipe and rotates around self central axis direction, and the distance between fixed turntable 5 and the movable turntable 6 is adjustable makes rotating device adapt to the processing of waiting to process the pipe of different pipe diameters.

Referring to fig. 3 and 4, all slide on middle part guide rail 2 and the tip guide rail 3 and be provided with support frame 8, support frame 8 includes urceolus 10 and goes up and down to set up interior pole 12 in urceolus 10, urceolus 10 sets up two relative slip channels 11 that set up on its length direction, the one end joint that urceolus 10 was kept away from to interior pole 12 has a cartridge heater 9, cartridge heater 9 can adopt spiral heating pipe or light wave heating tube, interior pole 12 one end of keeping away from cartridge heater 9 has seted up connecting hole 13 along its radial direction, wear to be equipped with connecting bolt 14 in slip channel 11 and the connecting hole 13. Can follow the vertical removal of the passageway 11 that slides interior pole 12 of connecting bolt 14 unscrewing, adjust interior pole 12 to suitable high back, can fix the position of interior pole 12 with connecting bolt 14 screwing down, thereby the height of convenient adjustment cartridge heater 9, cartridge heater 9 and interior pole 12 can be convenient dismantlement and installation, can select suitable cartridge heater 9 according to the specification of waiting to process the pipe, set up cartridge heater 9 on tip guide rail 3 in addition can treat processing pipe one end heating back, dismantle, treat the processing pipe other end on interior pole 12 with cartridge heater 9 installation after treating the processing pipe other end with the urceolus 10 cunning on the tip guide rail 3. Referring to fig. 5, the middle guide rail 2 and the end guide rail 3 are both provided with an outer cylinder 10 in a sliding manner, the outer cylinder 10 is provided with a driving rail wheel 15 and a driven rail wheel 16 in a rotating manner, the driving rail wheel 15 is matched with the middle guide rail 2 and the end guide rail 3 in a rolling manner, the driven rail wheel 16 is matched with the middle guide rail 2 and the end guide rail 3, a driving motor 17 is fixed on the outer cylinder 10, and the driving motor 17 is in transmission connection with the driving rail wheel 15. Under the action of the driving motor 17, the driving rail wheel 15 drives the driven rail wheel 16 to rotate, so that the two outer cylinders 10 respectively slide on the middle guide rail 2 and the end guide rail 3.

Referring to fig. 2 and 3, during the process of loading the pipe to be processed through the fixed turntable 5 and the movable turntable 6 at one end of the middle guide rail 2, the heating cylinder 9 arranged on the middle guide rail 2 and the fixed turntable 5 and the movable turntable 6 at the other end of the middle guide rail 2, plastic powder in the pipe to be processed may be scattered, and especially plastic powder at the end of the pipe to be processed is easy to scatter. Therefore, a powder supply machine 18 is fixed on the outer cylinder 10 which is in sliding fit with the end guide rail 3, the powder supply machine 18 is connected with an expansion joint 20, one end of the expansion joint 20, which is far away from the powder supply machine 18, is inserted with a plastic powder spray head 19, and the plastic powder spray head 19 is inserted and matched with the outer wall of the pipe to be processed. The molding powder spray head 19 can be conveniently detached and installed from the telescopic joint 20, and the molding powder spray head 19 with a proper size can be conveniently replaced according to the outer diameter of the pipe to be processed. If the end part of the pipe to be processed needs to be supplemented with the molding powder, the molding powder spray head 19 can be pulled out and inserted on the outer wall of the pipe to be processed to spray the molding powder, and if the end part of the pipe to be processed does not need to be supplemented with the molding powder, the molding powder spray head 19 can be pushed back, so that the space is saved.

The utility model discloses a theory of operation and beneficial effect do:

install suitable cartridge heater 9 and mould powder shower nozzle 19, the position of adjustment movable rotary table 6 and cartridge heater 9, material loading process back, treat that the processing pipe rotates around the central axis direction of self under the effect of rotating motor 7, cartridge heater 9 on the guide rail 2 of middle part treats the middle part of processing pipe and heats, the both ends of processing pipe are treated to cartridge heater 9 on the tip guide rail 3 heat, treat after the heating that the processing pipe will mould the powder and adsorb to the inner wall on, treat that the rotation of processing pipe makes and moulds the powder and distribute more evenly. The molding powder spray head 19 can perform molding powder complementary spraying on the end part to be processed. The utility model discloses accessible cartridge heater 9, middle part guide rail 2 and tip guide rail 3 treat the processing pipe and heat, mould the powder and adsorbed on the hot inner wall of treating the processing pipe, fixed turntable 5, activity carousel 6 and the setting up of rotating motor 7 make mould the powder more even in the distribution of treating the processing inside pipe wall, supply powder machine 18 and mould setting up of powder shower nozzle 19 and can treat the processing pipe and mould the powder and mend and spout. The utility model discloses can treat the processing inside pipe wall and carry out the plastic-coated processing, and mould the powder and be treating processing inside pipe wall distribution evenly, have simple structure, the good characteristics of plastic-coated quality.

The above, only do the preferred embodiment of the present invention, not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a steel pipe inner wall plastic-coated equipment which characterized in that: the device comprises a base (1), wherein two middle guide rails (2) and end guide rails (3) which are arranged in parallel are fixed on the upper end surface of the base (1), and two rotating devices which are respectively positioned at two ends of the middle guide rails (2) and are arranged oppositely are arranged on the base (1);

the rotating device comprises a fixed plate (4) fixed on the base (1), a fixed turntable (5) is rotatably arranged on the fixed plate (4) and a movable turntable (6) is slidably arranged on the fixed plate, and a rotating motor (7) for driving the movable turntable (6) to rotate is arranged on the fixed plate (4);

middle part guide rail (2) with all slide on tip guide rail (3) and be provided with support frame (8), support frame (8) go up and down to be provided with and be used for the cover to establish and treat on treating the processing pipe and treat processing pipe heating barrel (9) that heat.

2. The steel pipe inner wall plastic-coating equipment according to claim 1, characterized in that: support frame (8) including urceolus (10) and go up and down set up in interior pole (12) in urceolus (10), urceolus (10) are followed its length direction and are seted up two relative slip passageway (11) that set up, interior pole (12) are kept away from the one end of urceolus (10) can be dismantled and be connected with heating cylinder (9), interior pole (12) are kept away from connecting hole (13) have been seted up along its radial direction to the one end of heating cylinder (9), slip passageway (11) with connecting bolt (14) are worn to be equipped with in connecting hole (13).

3. The steel pipe inner wall plastic-coating equipment of claim 2, characterized in that: middle part guide rail (2) with tip guide rail (3) all slide and be provided with urceolus (10), rotate on urceolus (10) and be provided with initiative rail wheel (15) and driven rail wheel (16), initiative rail wheel (15) with driven rail wheel (16) all with middle part guide rail (2) with tip guide rail (3) roll cooperation, the drive has set firmly on urceolus (10) initiative rail wheel (15) pivoted driving motor (17).

4. The steel pipe inner wall plastic-coating equipment of claim 3, characterized in that: the heating cylinder (9) is clamped on the inner rod (12).

5. The steel pipe inner wall plastic-coating equipment of claim 4, characterized in that: and the outer cylinder (10) is fixedly provided with a powder supply machine (18) in sliding fit with the end guide rail (3), the powder supply machine (18) is detachably connected with a telescopic plastic powder spray head (19), and the plastic powder spray head (19) is in plug fit with the outer wall of the pipe to be processed.

6. The steel pipe inner wall plastic-coating equipment of claim 5, characterized in that: the powder supply machine (18) is connected with an expansion joint (20), and one end, far away from the powder supply machine (18), of the expansion joint (20) is inserted with the molding powder spray head (19).

7. The steel pipe inner wall plastic-coating equipment according to claim 1, characterized in that: a plurality of pinhole (21) that are linear arrangement are seted up to fixed plate (4) one side and slide and be provided with bearing frame (24), set up on bearing frame (24) with locating hole (23) that pinhole (21) correspond, bearing frame (24) with fixed plate (4) through with pinhole (21) grafting complex locating pin (22) are fixed, it is provided with to rotate on bearing frame (24) activity carousel (6) and fixed being provided with rotate motor (7).