CN117599979A - Plastic-coated mechanism for processing polyethylene spiral corrugated pipe - Google Patents
Plastic-coated mechanism for processing polyethylene spiral corrugated pipe Download PDFInfo
- Publication number
- CN117599979A CN117599979A CN202311362082.XA CN202311362082A CN117599979A CN 117599979 A CN117599979 A CN 117599979A CN 202311362082 A CN202311362082 A CN 202311362082A CN 117599979 A CN117599979 A CN 117599979A
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- Prior art keywords
- fixedly connected
- outside
- plastic
- corrugated pipe
- frame
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- 230000007246 mechanism Effects 0.000 title claims abstract description 27
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 26
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 26
- -1 polyethylene Polymers 0.000 title claims abstract description 23
- 238000012545 processing Methods 0.000 title claims abstract description 18
- 229920003023 plastic Polymers 0.000 title claims description 80
- 239000004033 plastic Substances 0.000 title claims description 80
- 238000005507 spraying Methods 0.000 claims abstract description 41
- 239000006223 plastic coating Substances 0.000 claims abstract description 25
- 230000009193 crawling Effects 0.000 claims abstract description 19
- 230000001360 synchronised effect Effects 0.000 claims abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 122
- 229910052742 iron Inorganic materials 0.000 claims description 61
- 239000007788 liquid Substances 0.000 claims description 36
- 239000007921 spray Substances 0.000 claims description 18
- 238000001035 drying Methods 0.000 description 10
- 229910000831 Steel Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 239000004840 adhesive resin Substances 0.000 description 1
- 229920006223 adhesive resin Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
- B05B9/0423—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material for supplying liquid or other fluent material to several spraying apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0207—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the work being an elongated body, e.g. wire or pipe
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0278—Arrangement or mounting of spray heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
- B05B13/0609—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies the hollow bodies being automatically fed to, or removed from, the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
- B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
- B05B13/0627—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
- B05B15/62—Arrangements for supporting spraying apparatus, e.g. suction cups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B16/00—Spray booths
- B05B16/20—Arrangements for spraying in combination with other operations, e.g. drying; Arrangements enabling a combination of spraying operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
- B05D3/04—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
- B05D3/0406—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
- B05D3/0413—Heating with air
Landscapes
- Spray Control Apparatus (AREA)
Abstract
The invention relates to a plastic coating mechanism for processing a polyethylene spiral corrugated pipe, which comprises a frame, a conveying component, a bracket, a crawling component, a first spraying component, a second spraying component and a synchronous operation control unit, wherein an annular frame is fixedly connected to the frame; therefore, in the invention, the plastic coating can be carried out no matter how long the spiral corrugated pipe is, and the spiral corrugated pipe does not need to be clamped, so that the plastic coating efficiency is also improved.
Description
Technical Field
The invention relates to the technical field of plastic coating equipment, in particular to a plastic coating mechanism for processing a polyethylene spiral corrugated pipe.
Background
The polyethylene spiral corrugated pipe is characterized in that high-density Polyethylene (PE) is used as a matrix, a steel belt with the surface coated with adhesive resin is molded into a waveform to serve as a main supporting structure, and plastic liquid spraying is needed to be carried out on the polyethylene spiral corrugated pipe after the polyethylene spiral corrugated pipe is produced so as to increase the corrosion resistance of the polyethylene spiral corrugated pipe, so that plastic coating equipment is needed.
And (3) searching:
the first existing patent, bulletin number is: the Chinese patent of CN 219664096U discloses a polyethylene steel band reinforced spiral corrugated pipe plastic coating machine, belongs to the technical field of spiral corrugated pipe processing, and solves the problems of uneven plastic coating and insufficient strength of the traditional device. The utility model provides a polyethylene steel band reinforcing helical bellows plastic-coated machine, the on-line screen storage device comprises a base, be fixed with the plastic liquid case on the base, plastic-coated case and horizontal migration mechanism, be provided with helical bellows rotary mechanism on the horizontal migration mechanism, plastic-coated case left side is fixed with the triangle bracing piece, be provided with inner wall plastic-coated mechanism on the triangle bracing piece, plastic-coated case top fixedly connected with vertical support pole, the vertical support pole lower extreme is provided with outer wall plastic-coated mechanism, inner wall plastic-coated mechanism and outer wall plastic-coated mechanism all are connected with the transfer line, the transfer line other end stretches into plastic liquid bottom of the case portion, the transfer line middle part is provided with the booster pump.
The prior patent II has the following bulletin number: CN 212069392U discloses a plastic-coated drying mechanism for a steel strip reinforced PE spiral corrugated pipe, which comprises a drying box, wherein a supporting plate is fixedly connected inside the drying box, an opening is arranged in the supporting plate, a positioning device is arranged at the top end of the supporting plate, and the plastic-coated drying mechanism for the steel strip reinforced PE spiral corrugated pipe.
In the above patent:
in the practical use of the patent, the following defects exist:
in this patent, need establish the spiral bellows outside at first collector tube, just can spray it, and in reality, the spiral bellows is mostly used for the drainage, so length is longer, and first collector tube's length is limited, so when the cover is established, always have partial central region unable to correspond with first collector tube (second collector tube) in the spiral bellows, so can't accomplish continuous comprehensive spraying to longer spiral bellows, because the central point of longer spiral insulating tube can't obtain the spraying of first collector tube.
In actual use, the following defects exist:
in this patent, adopt the mode of centre gripping to spray after to the helical bellows centre gripping, in reality, helical bellows length is longer, so the workman takes when the centre gripping, and is very inconvenient, inefficiency, because after the centre gripping spraying, still need take out, the plastic-coated inefficiency.
Disclosure of Invention
Aiming at the technical problem that the existing plastic coating for a long spiral heat-insulating pipe cannot be performed with low plastic coating efficiency, the invention provides a plastic coating mechanism for processing a polyethylene spiral corrugated pipe.
The technical scheme adopted by the invention is as follows: the utility model provides a plastic-coated mechanism is used in processing of polyethylene spiral bellows, includes frame, conveying component, support, component of crawling, first spraying component, second spraying component, synchronous operation control unit, fixedly connected with annular frame in the frame, conveying component sets up in annular frame for carry the spiral bellows, the support is arranged in the spiral bellows, the component of crawling sets up in the outside of support, drives the support and crawls in the spiral bellows, first spraying component sets up in the outside of annular frame for with plastic liquid spraying at the outer wall of spiral bellows, the outside of second spraying component sets up at the support for with plastic liquid spraying at the inner wall of spiral bellows, synchronous operation control unit is used for the location to judge the position of support in spiral bellows.
Through adopting above-mentioned technical scheme, can be with longer spiral insulating tube constantly to carrying in the annular frame through the conveying assembly who sets up, then through the setting of crawling the subassembly, can let the support continuously creep to the spiral bellows in, let between spiral bellows and the support relatively static, then through the setting of first spraying subassembly and second spraying subassembly, can carry out the plastic-coated to the spiral bellows outside and inside simultaneously; therefore, in the invention, the plastic coating can be carried out no matter how long the spiral corrugated pipe is, and the spiral corrugated pipe does not need to be clamped, so that the plastic coating efficiency is also improved.
Further, the conveying assembly comprises a plurality of electric push rods fixedly connected to the annular frame, a mounting frame fixedly connected to the piston rods of the electric push rods and a conveying roller rotatably connected to the mounting frame, a first motor is fixedly connected to the outer portion of the mounting frame, and a driving shaft of the first motor is fixedly connected with the conveying roller.
By adopting the technical scheme, the method can
Further, the crawling assembly comprises a plurality of groups of air cylinders fixedly connected to the outside of the support, an adjusting frame fixedly connected to the outside of a piston rod of the air cylinders, a plurality of groups of rotating rollers rotatably connected to the adjusting frame and a crawler sleeved on the outside of the rotating rollers, wherein a second motor is arranged outside the adjusting frame, and a driving shaft of the second motor is fixedly connected with the rotating rollers.
Through adopting above-mentioned technical scheme, drive the roller through the second motor and rotate, can carry helical bellows through the roller.
Further, the first spraying assembly comprises a first conveying pipe fixedly connected to the outside of the annular frame and a plurality of groups of first spray heads fixedly connected to the first conveying pipe, a feeding pipe is fixedly connected to the first conveying pipe, a storage box is further arranged on the outside of the frame, a first plastic pump is arranged on the storage box, the output end of the first plastic pump is fixedly connected with the feeding pipe, the input end of the first plastic pump is fixedly connected with a pipeline, and the pipeline extends into the storage box.
Through adopting above-mentioned technical scheme, can first shower nozzle spun plastic liquid can carry out the spraying to the outside of helical bellows.
Further, the second spraying assembly comprises a storage box fixedly connected to the outside of the support, a second conveying pipe fixedly connected to the outside of the storage box and a plurality of groups of second spray heads fixedly connected to the outside of the second conveying pipe, a second plastic pump is fixedly connected to the outside of the storage box, the output end of the second plastic pump is fixedly connected with the second conveying pipe, the input end of the second plastic pump is fixedly connected with a pipeline, and the pipeline extends into the storage box.
Through adopting above-mentioned technical scheme, through second spraying pipe spun plastic liquid can carry out the spraying to the inner wall of helical bellows.
Further, the outside of support still fixedly connected with electrical apparatus case, the outside fixedly connected with backup pad of electrical apparatus case, fixedly connected with three sets of retainer plates in the backup pad.
By adopting the technical scheme, corresponding electric devices can be installed through the electric box.
Further, the synchronous operation control unit comprises a fixing frame fixedly connected to the outside of the annular frame, an electromagnet fixedly connected to the bottom of the fixing frame, a guide rod positioned in the fixing ring, a conical rod fixedly connected to the outside of the guide rod, a connecting rod rotatably connected to the fixing ring, an arc-shaped piece fixedly connected to the outside of the connecting rod, a laser ranging sensor fixedly connected to the fixing ring, a control module arranged in the electric box, a first iron plate, a second iron plate and a third iron plate arranged above the fixing ring, wherein the positions of the laser ranging sensors corresponding to the inner wall of the fixing ring are fixedly connected with baffle plates, the first iron plate, the second iron plate and the third iron plate are respectively fixedly connected with the corresponding guide rods, the bottom of the guide rod is fixedly connected with a circular plate, and a spring is connected between the circular plate and the support plate; the laser ranging sensor and the second motor are electrically coupled with the control module.
Through adopting above-mentioned technical scheme, when the support is in steady state, so the second iron plate corresponds with the electro-magnet, so under magnetic force absorption, can drive the upward movement of second iron plate, the second iron plate drives guide bar and taper rod upward movement, the taper rod is contradicted the connecting rod, so let the connecting rod rotate to outside left and right sides, simultaneously, the connecting rod drives the arc piece and blocks laser that laser rangefinder sensor launched, so control module judges that the support is in the screw bellows position stability, keep the rotational speed of first motor and second motor, then stabilize the plastic-coated liquid of spraying, play the effect of steady support.
Further, one side of the frame is also provided with a conveying belt main body; the connecting rod is rotationally connected in the fixed ring through the hinging seat, the hinging seat is rotationally connected with a rotating shaft, and a torsion spring is sleeved outside the rotating shaft.
Through adopting above-mentioned technical scheme, can let the connecting rod closely contradict with the taper rod under the torsion of torsional spring.
Further, a hanging rope is fixedly connected to the bottom of the supporting frame, and a balancing weight is fixedly connected to the bottom of the hanging rope.
Through adopting above-mentioned technical scheme, can set up through the balancing weight, balancing weight perpendicular to ground, so can increase the weight of support, let the support stabilize and keep in the helical bellows, let the support can not take place the skew in the helical bellows, the balancing weight can be the plumb block, and concrete weight can set up according to actual conditions.
Further, the outside of annular frame still fixedly connected with gas-supply pipe, the outside fixedly connected with multiunit nozzle of gas-supply pipe, still fixedly connected with intake pipe in the gas-supply pipe.
Through adopting above-mentioned technical scheme, can export hot-blast through gas-supply pipe and the nozzle that sets up, then through the nozzle blowout, be used for drying the outside plastic liquid of spiral insulating tube through nozzle blowout's hot-blast.
The beneficial effects of the invention are as follows:
1. compared with the prior art, the long spiral heat-insulating pipe can be continuously conveyed into the annular frame through the conveying assembly, then the bracket can be continuously crawled into the spiral corrugated pipe through the crawling assembly, the spiral corrugated pipe and the bracket are relatively static, and then the outside and the inside of the spiral corrugated pipe can be simultaneously coated with plastic through the first spraying assembly and the second spraying assembly; therefore, in the invention, the plastic coating can be carried out no matter how long the spiral corrugated pipe is, and the spiral corrugated pipe does not need to be clamped, so that the plastic coating efficiency is also improved.
2. Compared with the prior art, in the invention, when the bracket is in a stable state, the second iron plate corresponds to the electromagnet, so that the second iron plate can be driven to move upwards under the action of magnetic attraction, the second iron plate drives the guide rod and the conical rod to move upwards, the conical rod is abutted against the connecting rod, so that the connecting rod rotates towards the left side and the right side of the outside, and meanwhile, the connecting rod drives the arc-shaped piece to block laser emitted by the laser ranging sensor, so that the control module judges that the bracket is in a stable position in the spiral corrugated pipe, keeps the rotating speeds of the first motor and the second motor, and then stably sprays plastic liquid to play a role of stabilizing the bracket.
3. Compared with the prior art, in the invention, once the crawling speed of the bracket is too high or too low, the first iron plate or the third iron plate can timely correspond to the electromagnet, so that the control module can timely adjust the crawling speed of the bracket by adjusting the rotating speed of the second motor, and the bracket is stably kept in the spiral corrugated pipe.
4. Compared with the prior art, the weight of the bracket can be increased by arranging the balancing weights perpendicular to the ground, the bracket is stably kept in the spiral corrugated pipe, the bracket cannot deviate in the spiral corrugated pipe, the balancing weights can be lead blocks, and the specific weight can be set according to actual conditions.
5. Compared with the prior art, the plastic liquid drying device has the advantages that hot air can be output through the arranged air pipe and the nozzle, then the hot air is sprayed out through the nozzle, and the hot air sprayed out through the nozzle is used for drying the plastic liquid outside the spiral heat-insulating pipe.
6. Compared with the prior art, the invention has the advantages that the air cylinder pushes the adjusting frame to move outwards, so that the crawler belt is tightly abutted against the inner wall of the spiral corrugated pipe, and the second motor is used for driving the rotating roller to rotate, so that the rotating roller drives the crawler belt to drive, and the bracket can creep on the inner wall of the spiral corrugated pipe through creeping of the crawler belt.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic illustration of an axially measured structure of the present invention;
FIG. 3 is a schematic perspective view of the helical bellows in the ring shape according to the present invention;
FIG. 4 is a schematic perspective view of the frame and ring frame of the present invention;
FIG. 5 is a schematic view of the structure of the ring frame of the present invention;
FIG. 6 is a schematic perspective view of a bracket according to the present invention;
FIG. 7 is a schematic view of the structure of the stent in the helical bellows in the present invention;
FIG. 8 is a schematic view of the structure of the bracket of the present invention;
FIG. 9 is a schematic perspective view of a bracket according to the present invention;
FIG. 10 is an enlarged schematic view of the area A in FIG. 1
FIG. 11 is a schematic view of a connecting rod in accordance with the present invention;
fig. 12 is a schematic view of the structure of the bracket of the present invention when the bracket is stabilized (the second iron plate corresponds to the electromagnet);
fig. 13 is a schematic view of the structure of the present invention when the carrier speed is too slow (the third iron plate corresponds to the electromagnet);
fig. 14 is a schematic view of the structure of the present invention when the carrier speed is too high (the first iron plate corresponds to the electromagnet);
fig. 15 is a control block diagram of a control module in the present invention.
Marked in the figure as: 1. a frame; 2. an annular frame; 3. an electric push rod; 4. a mounting frame; 5. a conveying roller; 6. a first motor; 7. a conveyor belt body; 8. a gas pipe; 9. a nozzle; 10. an air inlet pipe; 11. a first delivery tube; 12. a first nozzle; 13. a feed pipe; 14. a fixing frame; 15. a bracket; 16. a storage tank; 17. a second delivery tube; 18. a second nozzle; 19. an electric appliance box; 20. a support plate; 21. a cylinder; 22. a second motor; 23. an adjusting frame; 24. a rotating roller; 25. a track; 26. a first iron plate; 27. a second iron plate; 28. a third iron plate; 29. a fixing ring; 30. hanging ropes; 31. balancing weight; 32. a circular plate; 33. an electromagnet; 34. a guide rod; 35. a tapered rod; 36. a connecting rod; 37. an arc-shaped sheet; 38. a laser ranging sensor; 39. a baffle; 40. a spring; 41. a torsion spring; 42. and a control module.
Detailed Description
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "front", "upper", "lower", "left", "right", "vertical", "horizontal", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The invention will be further described with reference to fig. 1-15.
In order to solve the problems in the background technology, the application provides the following technical scheme: a plastic coating mechanism for processing a polyethylene spiral corrugated pipe,
example 1
The concrete technical scheme includes that the machine frame comprises a machine frame 1, a conveying assembly, a bracket 15, a crawling assembly, a first spraying assembly, a second spraying assembly and a synchronous operation control unit.
Further, the design is as follows, and one side of the frame 1 is further provided with a conveying belt main body 7 for matching with and conveying the spiral corrugated pipe, and the frame 1 is fixedly connected with an annular frame 2, in this embodiment, both the frame 1 and the annular frame 2 are provided with two.
Wherein, the conveying component is arranged in the annular frame 2 and is used for conveying the spiral corrugated pipe;
in particular, the method comprises the steps of,
the conveying component comprises a plurality of electric push rods 3 fixedly connected to the annular frame 2, a mounting frame 4 fixedly connected to a piston rod of the electric push rods 3 and a conveying roller 5 rotatably connected to the mounting frame 4, in the embodiment, three electric push rods 3 are fixedly connected to the outer portion of each annular frame 2, the electric push rods 3 can be replaced by hydraulic cylinders or other linear motion mechanisms, a first motor 6 is fixedly connected to the outer portion of the mounting frame 4, a driving shaft of the first motor 6 is fixedly connected with the conveying roller 5, the first motor 6 is used for driving the conveying roller 5 to rotate, conveying of a spiral corrugated pipe is achieved, and a plurality of layers of anti-slip strips are arranged outside the conveying roller 5 for anti-slip.
In a further refinement, in order to be able to spray the inner wall of the spiral insulating tube, the support 15 is located in the spiral bellows;
in order to stabilize the position of the bracket 15, the crawling assembly is arranged outside the bracket 15 to drive the bracket 15 to crawl in the spiral corrugated pipe;
in particular, the method comprises the steps of,
the crawling assembly comprises a plurality of groups of air cylinders 21 fixedly connected to the outside of the bracket 15, an adjusting frame 23 fixedly connected to the outside of a piston rod of the air cylinders 21, a plurality of groups of rotating rollers 24 rotatably connected to the adjusting frame 23 and a crawler belt 25 sleeved outside the rotating rollers 24, a driving shaft of the second motor 22 is fixedly connected with the rotating rollers 24, the air cylinders 21 are used for pushing the adjusting frame 23 to move outwards, the crawler belt 25 is tightly abutted against the inner wall of the spiral corrugated pipe, the second motor 22 is used for driving the rotating rollers 24 to rotate, the rotating rollers 24 drive the crawler belt 25 to drive, and accordingly the bracket 15 can crawl on the inner wall of the spiral conveying pipe through the crawler belt 25.
In order to achieve spraying, a first spraying component is arranged outside the annular frame 2 and is used for spraying plastic liquid on the outer wall of the spiral corrugated pipe; the second spraying component is arranged outside the bracket 15 and is used for spraying plastic liquid on the inner wall of the spiral corrugated pipe;
in particular, the method comprises the steps of,
the first spraying subassembly includes the first conveyer pipe 11 of fixed connection outside annular frame 2 and the multiunit first shower nozzle 12 of fixed connection on first conveyer pipe 11, first conveyer pipe 11 is annular structure, and fixedly connected with inlet pipe 13 in first conveyer pipe 11, the outside of frame 1 still is equipped with the storage box, be equipped with first plastic pump on the storage box, the output and the inlet pipe 13 fixed connection of first plastic pump, the input fixedly connected with pipeline of first plastic pump, and the pipeline extends to in the storage box, carry plastic liquid in the storage box, and first plastic pump is current product, all can purchase the use in market, first plastic pump is taken out to carry to first conveyer pipe 11 with plastic liquid, then spout through first shower nozzle 12, spray in the outside of helical bellows, and the spraying principle is prior art, so in the embodiment, do not make the reference number with first plastic pump and storage box, the person of skilled in the art can understand through the literal record.
As for the second spray assembly, the second spray assembly includes a storage tank 16 fixedly connected to the outside of the bracket 15, a second delivery pipe 17 fixedly connected to the outside of the storage tank 16, and a plurality of sets of second spray heads 18 fixedly connected to the outside of the second delivery pipe 17.
The second plastic pump is fixedly connected to the outside of the storage tank 16, no reference sign is made in the second plastic pump in this embodiment, and a person skilled in the art can understand through text record, while the output end of the second plastic pump is fixedly connected to the second delivery pipe 17, the input end of the second plastic pump is fixedly connected to a pipeline, and the pipeline extends into the storage tank 16, and the second plastic pump pumps the plastic liquid out into the second delivery pipe 17 and then ejects the plastic liquid through the second nozzle 18; the plastic liquid sprayed through the first spray head 12 is sprayed outside the helical bellows.
In conclusion, the spiral corrugated pipe synchronous conveying device not only can synchronously convey the spiral corrugated pipe, but also can synchronously spray the spiral corrugated pipe inside and outside, so that the efficiency is greatly improved.
In order to stabilize the position of the stent 15, a synchronous operation control unit is provided for positioning and judging the position of the stent 15 in the helical bellows.
Wherein, still fixedly connected with electrical apparatus case 19 in the outside of support 15, the outside fixedly connected with backup pad 20 of electrical apparatus case 19 is last fixedly connected with three group's retainer plate 29 on the backup pad 20, still sets up the battery in the electrical apparatus case 19 for provide the power.
In a specific design of the present invention,
the synchronous operation control unit includes a fixed frame 14 fixedly connected to the outside of the ring frame 2, an electromagnet 33 fixedly connected to the bottom of the fixed frame 14, a guide rod 34 positioned in the fixed ring 29, a tapered rod 35 fixedly connected to the outside of the guide rod 34, a connecting rod 36 rotatably connected to the fixed ring 29, an arc-shaped piece 37 fixedly connected to the outside of the connecting rod 36, a laser ranging sensor 38 fixedly connected to the fixed ring 29, a control module 42 provided in the electric box 19, and a first iron plate 26, a second iron plate 27 and a third iron plate 28 provided above the fixed ring 29.
The following is further introduced:
the positions of the laser ranging sensors 38 corresponding to the inner wall of the fixed ring 29 are fixedly connected with a baffle 39, the first iron plate 26, the second iron plate 27 and the third iron plate 28 are respectively and fixedly connected with corresponding guide rods 34, the bottoms of the guide rods 34 are fixedly connected with circular plates 32, and springs 40 are connected between the circular plates 32 and the support plates 20; the laser ranging sensor 38 and the second motor 22 are electrically coupled to the control module 42, the specific connecting rod 36 is rotatably connected to the fixed ring 29 through a hinge seat, the hinge seat is rotatably connected to a rotating shaft, a torsion spring 41 is sleeved outside the rotating shaft, and under the torsion of the torsion spring 41, the connecting rod 36 can tightly collide with the conical rod 35, in this embodiment, the model of the laser ranging sensor 38 is not limited, for example, an EX-L200 laser ranging sensor can be adopted, or other models of laser ranging sensors 38 can be adopted, in addition, in this embodiment, the laser ranging sensor 38 can be replaced by a proximity sensor to perform the function of detecting the position of the arc-shaped piece 37, and the required function of the present invention can also be realized. The control module 42 may be a programmable control module 42 or an Arduino development platform.
The number of the fixing rings 29, the first iron plate 26, the second iron plate 27, the third iron plate 28, and the laser distance measuring sensor 38 may be plural according to the actual situation, and the detection of plural position points may be performed, respectively, without being limited to three.
The specific function is introduced as follows:
in order to keep the position of the support 15 stable in the helical bellows, it is not detached from the helical bellows due to too high or too low a speed, so that the following situations exist:
first, in a stable state, the second iron plate 27 corresponds to the electromagnet 33, referring to fig. 12, so that under the magnetic force absorption, the second iron plate 27 can drive the second iron plate 27 to move upwards, the second iron plate 27 drives the guide rod 34 and the conical rod 35 to move upwards, the conical rod 35 is abutted against the connecting rod 36, so that the connecting rod 36 rotates towards the left and right sides of the outside, meanwhile, the connecting rod 36 drives the arc piece 37 to block the laser emitted by the laser ranging sensor 38 (the laser emitted by the laser ranging sensor 38 is blocked by the baffle 39 in the initial state, referring to the left side of fig. 12), so that when the arc piece 37 blocks the laser emitted by the laser ranging sensor 38 below the second iron plate 27, the measured distance is shortened (the distance between the original distance and the baffle 39 is switched to the distance between the arc piece 37, so that the distance is shortened, such as 20cm measured originally, becomes 15cm, so that the control module 42 judges that the position of the bracket 15 is in the spiral corrugated pipe is stable, the rotation speed of the first motor 6 and the second motor 22 is maintained, and then the plastic spraying is stably performed;
second, referring to fig. 13, if the output speed of the bellows is not reached after the support 15 is positioned due to the influence of the rotation speed of the first motor 6 or the second motor 22, the support 15 is easy to drop from the tail of the bellows for a long time (because the output speed of the bellows is higher than the crawling speed of the crawler 25)
Therefore, at this time, the third iron plate 28 corresponds to the electromagnet 33, so the same principle as above, so when the arc piece 37 shields the laser emitted from the laser ranging sensor 38 below the third iron plate 28, the measured distance becomes short (the distance between the original baffle 39 is switched to the distance between the baffle 37), so the control module 42 judges that the bracket 15 cannot be stabilized, so the rotation speed of the second motor 22 is accelerated, and the crawler 25 is accelerated to crawl until the second iron plate 27 corresponds to the electromagnet 33.
Third, referring to fig. 14, if the speed of the crawler 25 is greater than the output speed of the screw bellows due to the forward position of the rack 15 caused by the influence of the rotation speed of the first motor 6 or the second motor 22, the rack 15 is liable to drop from the top of the screw bellows for a long time (because the output speed of the screw conveyer is less than the speed of the crawler 25); therefore, at this time, the first iron plate 26 corresponds to the electromagnet 33, and therefore, in the same principle as above, when the arc piece 37 shields the laser beam emitted from the laser ranging sensor 38 below the first iron plate 26, the measured distance becomes short (the distance between the original baffle 39 is switched to the distance between the baffle 37), so the control module 42 determines that the bracket 15 cannot be stabilized, and therefore, the rotation speed of the second motor 22 is accelerated, and the crawler 25 is accelerated to crawl until the first iron plate 26 corresponds to the electromagnet 33.
For a full understanding of the technical solutions by those skilled in the art, the present application makes the following summary:
in use, the helical bellows is conveyed into the annular frame 2 by the conveyor belt body 7;
then, starting the electric push rod 3 to drive the mounting frame 4 to move downwards until the conveying roller 5 on the mounting frame 4 contacts with the outside of the spiral corrugated pipe, and then starting the first motor 6 to drive the conveying roller 5 to rotate, and conveying the spiral corrugated pipe through the conveying roller 5;
subsequently, the bracket 15 is placed in the spiral corrugated pipe, and the air cylinder 21 is started to drive the adjusting frame 23 to move outwards until the crawler belt 25 is abutted against the inner wall of the spiral corrugated pipe, and the supporting plate 20 is level with the ground;
then, the second motor 22 is started to drive the rotating roller 24 of the crawler belt 25 to rotate, and the rotating roller 24 drives the crawler belt 25 to drive, so that the crawler belt 25 crawls on the inner wall of the spiral corrugated pipe, and the bracket 15 can be driven to crawl;
until the second iron plate 27 on the bracket 15 corresponds to the electromagnet 33, and simultaneously, the crawling speed of the crawler belt 25 at the moment is kept, so that the second iron plate 27 on the supporting plate 20 synchronously corresponds to the electromagnet 33;
at this time, the spiral bellows is slid outward simultaneously by the conveyance of the conveying roller 5, so that the frame 15 can be kept at a certain position in the spiral bellows by the creeping of the crawler 25 at this time (the frame 15 is stationary outside the endless frame 2 compared with the state of the relative movement)
Finally, starting a first plastic liquid pump and a second plastic liquid pump to work, wherein the first plastic liquid pump pumps out and conveys the plastic liquid to the first conveying pipe 11, then the plastic liquid is sprayed out through the first spray head 12, and the second plastic liquid pump pumps out the plastic liquid to the second conveying pipe 17, and then the plastic liquid is sprayed out through the second spray head 18; the plastic liquid sprayed by the first spray head 12 is sprayed outside the spiral corrugated pipe, and the plastic liquid sprayed by the second spray head 18 is sprayed on the inner wall of the spiral corrugated pipe;
in order to keep the position of the support 15 stable in the helical bellows, it is not detached from the helical bellows due to too high or too low a speed, so that the following situations exist:
first, in a stable state, the second iron plate 27 corresponds to the electromagnet 33, referring to fig. 12, so that under the magnetic force absorption, the second iron plate 27 can drive the second iron plate 27 to move upwards, the second iron plate 27 drives the guide rod 34 and the conical rod 35 to move upwards, the conical rod 35 abuts against the connecting rod 36, so that the connecting rod 36 rotates towards the left and right sides of the outside, meanwhile, the connecting rod 36 drives the arc piece 37 to block the laser emitted by the laser ranging sensor 38 (the laser emitted by the laser ranging sensor 38 is blocked by the baffle 39 in the initial state, referring to the left side of fig. 12), so that when the arc piece 37 blocks the laser emitted by the laser ranging sensor 38 below the second iron plate 27, the measured distance is shortened (the distance between the original distance and the baffle 39 is switched to the distance between the arc piece 37), so that the control module 42 judges that the bracket 15 is positioned in the spiral corrugated pipe stably, the rotation speed of the first motor 6 and the second motor 22 is maintained, and then plastic liquid is stably sprayed;
second, referring to fig. 13, if the output speed of the bellows is not reached after the support 15 is positioned due to the influence of the rotation speed of the first motor 6 or the second motor 22, the support 15 is easy to drop from the tail of the bellows for a long time (because the output speed of the bellows is higher than the crawling speed of the crawler 25)
Therefore, at this time, the third iron plate 28 corresponds to the electromagnet 33, so the same principle as above, so when the arc piece 37 shields the laser emitted from the laser ranging sensor 38 below the third iron plate 28, the measured distance becomes short (the distance between the original baffle 39 is switched to the distance between the baffle 37), so the control module 42 judges that the bracket 15 cannot be stabilized, so the rotation speed of the second motor 22 is accelerated, and the crawler 25 is accelerated to crawl until the second iron plate 27 corresponds to the electromagnet 33.
Third, referring to fig. 14, if the speed of the crawler 25 is greater than the output speed of the screw bellows due to the forward position of the rack 15 caused by the influence of the rotation speed of the first motor 6 or the second motor 22, the rack 15 is liable to drop from the top of the screw bellows for a long time (because the output speed of the screw conveyer is less than the speed of the crawler 25); therefore, at this time, the first iron plate 26 corresponds to the electromagnet 33, and therefore, in the same principle as above, when the arc piece 37 shields the laser beam emitted from the laser ranging sensor 38 below the first iron plate 26, the measured distance becomes short (the distance between the original baffle 39 is switched to the distance between the baffle 37), so the control module 42 determines that the bracket 15 cannot be stabilized, and therefore, the rotation speed of the second motor 22 is accelerated, and the crawler 25 is accelerated to crawl until the first iron plate 26 corresponds to the electromagnet 33.
In this embodiment, the three laser ranging sensors 38 are numbered differently, so the control module 42 can perform analysis control on the three laser ranging sensors 38.
Example two
In this embodiment, unlike the first embodiment, a hanging rope 30 is fixedly connected to the bottom of the supporting frame, and a balancing weight 31 is fixedly connected to the bottom of the hanging rope 30.
Specifically, as follows, through balancing weight 31 setting, balancing weight 31 perpendicular to ground, so can increase the weight of support 15, let support 15 firm keep in the helical bellows, let support 15 can not take place the skew in the helical bellows, balancing weight 31 can be the plumb block, and concrete weight can set up according to actual conditions.
Example III
The first difference between this embodiment and the first embodiment is that a gas pipe 8 is also fixedly connected to the outside of the annular frame 2, a plurality of groups of nozzles 9 are fixedly connected to the outside of the gas pipe 8, and a gas inlet pipe 10 is also fixedly connected to the gas pipe 8.
The air inlet pipe 10 is fixedly connected with the output end of an external air heater and is used for outputting hot air, the hot air is sprayed out through the nozzle 9, and the hot air sprayed out through the nozzle 9 is used for drying plastic liquid outside the spiral heat-insulating pipe.
In conclusion, the method comprises the steps of,
1. compared with the prior art, in the invention, the longer spiral heat-insulating pipe can be continuously conveyed into the annular frame 2 through the conveying component, then the bracket 15 can continuously crawl into the spiral corrugated pipe through the crawling component, the spiral corrugated pipe and the bracket 15 are relatively static, and then the outside and the inside of the spiral corrugated pipe can be simultaneously coated with plastic through the first spraying component and the second spraying component; therefore, in the invention, the plastic coating can be carried out no matter how long the spiral corrugated pipe is, and the spiral corrugated pipe does not need to be clamped, so that the plastic coating efficiency is also improved.
2. Compared with the prior art, in the invention, when the bracket 15 is in a stable state, the second iron plate 27 corresponds to the electromagnet 33, so that the second iron plate 27 can be driven to move upwards under the magnetic attraction, the second iron plate 27 drives the guide rod 34 and the conical rod 35 to move upwards, the conical rod 35 is abutted against the connecting rod 36, so that the connecting rod 36 rotates towards the left side and the right side of the outside, meanwhile, the connecting rod 36 drives the arc-shaped piece 37 to block laser emitted by the laser ranging sensor 38, so that the control module 42 judges that the bracket 15 is in a stable position in the spiral corrugated tube, keeps the rotating speed of the first motor 6 and the second motor 22, and then performs stable spraying of plastic liquid to play a role of stabilizing the bracket 15.
3. Compared with the prior art, in the invention, once the crawling speed of the bracket 15 is too fast or too slow, the first iron plate 26 or the third iron plate 28 can be corresponding to the electromagnet 33 in time, so the control module 42 can also adjust the crawling speed of the bracket 15 by adjusting the rotating speed of the second motor 22 in time, and the bracket 15 is stably kept in the spiral corrugated pipe.
4. Compared with the prior art, in the invention, the weight of the bracket 15 can be increased by arranging the weight block 31, the weight block 31 is vertical to the ground, the bracket 15 is stably kept in the spiral corrugated pipe, the bracket 15 cannot deviate in the spiral corrugated pipe, the weight block 31 can be a lead block, and the specific weight can be set according to actual conditions.
5. Compared with the prior art, the plastic liquid drying device has the advantages that hot air can be output through the arranged air pipe 8 and the nozzle 9, then the hot air is sprayed out through the nozzle 9, and the hot air sprayed out through the nozzle 9 is used for drying the plastic liquid outside the spiral heat-insulating pipe.
6. Compared with the prior art, in the invention, the air cylinder 21 pushes the adjusting frame 23 to move outwards, so that the crawler belt 25 is tightly abutted against the inner wall of the spiral corrugated pipe, and the second motor 22 is used for driving the rotary roller 24 to rotate, so that the rotary roller 24 drives the crawler belt 25 to drive, and the bracket 15 can creep on the inner wall of the spiral conveying pipe through creeping of the crawler belt 25.
Standard parts used in the invention can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional modes in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that details are not described in detail in the specification, and the invention belongs to the prior art known to the person skilled in the art.
Although embodiments of the present invention have been shown and described, it will be obvious to those skilled in the art that the scope of the present invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a plastic-coated mechanism for processing of polyethylene spiral bellows which characterized in that includes
The device comprises a frame (1), wherein an annular frame (2) is fixedly connected to the frame (1);
the conveying assembly is arranged in the annular frame (2) and is used for conveying the spiral corrugated pipe;
a support (15), the support (15) being located in a helical bellows;
the crawling assembly is arranged outside the bracket (15) and drives the bracket (15) to crawl in the spiral corrugated pipe;
the first spraying component is arranged outside the annular frame (2) and is used for spraying plastic liquid on the outer wall of the spiral corrugated pipe;
the second spraying assembly is arranged outside the bracket (15) and is used for spraying plastic liquid on the inner wall of the spiral corrugated pipe;
and the synchronous operation control unit is used for positioning and judging the position of the bracket (15) in the spiral corrugated pipe.
2. The plastic coating mechanism for processing the polyethylene spiral corrugated pipe according to claim 1, wherein,
the conveying assembly comprises a plurality of electric push rods (3) fixedly connected to the annular frame (2), a mounting frame (4) fixedly connected to a piston rod of the electric push rods (3) and a conveying roller (5) rotatably connected to the mounting frame (4), a first motor (6) is fixedly connected to the outer portion of the mounting frame (4), and a driving shaft of the first motor (6) is fixedly connected with the conveying roller (5).
3. The plastic coating mechanism for processing the polyethylene spiral corrugated pipe according to claim 2, wherein,
the crawling assembly comprises a plurality of groups of air cylinders (21) fixedly connected to the outside of the support (15), an adjusting frame (23) fixedly connected to the outside of a piston rod of the air cylinders (21), a plurality of groups of rotating rollers (24) rotatably connected to the adjusting frame (23) and a crawler belt (25) sleeved on the outside of the rotating rollers (24), a second motor (22) is arranged outside the adjusting frame (23), and a driving shaft of the second motor (22) is fixedly connected with the rotating rollers (24).
4. A plastic-coated mechanism for processing a polyethylene spiral corrugated pipe according to claim 3, wherein the first spraying assembly comprises a first conveying pipe (11) fixedly connected to the outside of the annular frame (2) and a plurality of groups of first spray heads (12) fixedly connected to the first conveying pipe (11), a feeding pipe (13) is fixedly connected to the first conveying pipe (11), a storage box is further arranged on the outside of the frame (1), a first plastic pump is arranged on the storage box, the output end of the first plastic pump is fixedly connected with the feeding pipe (13), the input end of the first plastic pump is fixedly connected with a pipeline, and the pipeline extends into the storage box.
5. The plastic coating mechanism for processing the polyethylene spiral corrugated pipe according to claim 4, wherein the second spraying assembly comprises a storage tank (16) fixedly connected to the outside of the support (15), a second conveying pipe (17) fixedly connected to the outside of the storage tank (16) and a plurality of groups of second spray heads (18) fixedly connected to the outside of the second conveying pipe (17), a second plastic pump is fixedly connected to the outside of the storage tank (16), an output end of the second plastic pump is fixedly connected with the second conveying pipe (17), a pipeline is fixedly connected to an input end of the second plastic pump, and the pipeline extends into the storage tank (16).
6. The plastic coating mechanism for processing the polyethylene spiral corrugated pipe according to claim 5, wherein an electric appliance box (19) is fixedly connected to the outer portion of the support (15), a supporting plate (20) is fixedly connected to the outer portion of the electric appliance box (19), and three groups of fixing rings (29) are fixedly connected to the supporting plate (20).
7. The plastic-coated mechanism for processing the polyethylene spiral corrugated pipe according to claim 6, wherein the synchronous operation control unit comprises a fixed frame (14) fixedly connected to the outside of the annular frame (2), an electromagnet (33) fixedly connected to the bottom of the fixed frame (14), a guide rod (34) positioned in a fixed ring (29), a conical rod (35) fixedly connected to the outside of the guide rod (34), a connecting rod (36) rotatably connected to the fixed ring (29), an arc-shaped sheet (37) fixedly connected to the outside of the connecting rod (36), a laser ranging sensor (38) fixedly connected to the fixed ring (29), a control module (42) arranged in an electrical box (19), and a first iron plate (26), a second iron plate (27) and a third iron plate (28) arranged above the fixed ring (29), wherein a baffle plate (39) is fixedly connected to the position of the laser ranging sensor (38) corresponding to the inner wall of the fixed ring (29), and a circular plate (32) is fixedly connected to the position of the guide rod (34) corresponding to the inner wall of the fixed ring (29), and a circular plate (32) is fixedly connected to the bottom of the guide rod (34); the laser ranging sensor (38) and the second motor (22) are electrically coupled to a control module (42).
8. The plastic coating mechanism for processing the polyethylene spiral corrugated pipe according to claim 7, wherein one side of the frame (1) is also provided with a conveying belt main body (7); the connecting rod (36) is rotatably connected in the fixed ring (29) through a hinge seat, a rotating shaft is rotatably connected in the hinge seat, and a torsion spring (41) is sleeved outside the rotating shaft.
9. The plastic coating mechanism for processing the polyethylene spiral corrugated pipe according to claim 8, wherein a hanging rope (30) is fixedly connected to the bottom of the supporting frame, and a balancing weight (31) is fixedly connected to the bottom of the hanging rope (30).
10. The plastic coating mechanism for processing the polyethylene spiral corrugated pipe according to claim 9, wherein the outer part of the annular frame (2) is fixedly connected with a gas pipe (8), the outer part of the gas pipe (8) is fixedly connected with a plurality of groups of nozzles (9), and the gas pipe (8) is fixedly connected with a gas inlet pipe (10).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311362082.XA CN117599979A (en) | 2023-10-18 | 2023-10-18 | Plastic-coated mechanism for processing polyethylene spiral corrugated pipe |
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| CN202311362082.XA CN117599979A (en) | 2023-10-18 | 2023-10-18 | Plastic-coated mechanism for processing polyethylene spiral corrugated pipe |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118122532A (en) * | 2024-05-08 | 2024-06-04 | 江苏南理范群装备科技有限公司 | Cladding passivation is with surface spraying equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118122532A (en) * | 2024-05-08 | 2024-06-04 | 江苏南理范群装备科技有限公司 | Cladding passivation is with surface spraying equipment |
| CN118122532B (en) * | 2024-05-08 | 2024-07-05 | 江苏南理范群装备科技有限公司 | Cladding passivation is with surface spraying equipment |
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