CN113351411B - Full-automatic powder and paint coating line for inner wall and outer wall of gray iron straight pipe - Google Patents
Full-automatic powder and paint coating line for inner wall and outer wall of gray iron straight pipe Download PDFInfo
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- CN113351411B CN113351411B CN202110659013.XA CN202110659013A CN113351411B CN 113351411 B CN113351411 B CN 113351411B CN 202110659013 A CN202110659013 A CN 202110659013A CN 113351411 B CN113351411 B CN 113351411B
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- shot blasting
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- 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
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- 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
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- 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
- B05D3/002—Pretreatement
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- 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
- B05D3/02—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 baking
- B05D3/0218—Pretreatment, e.g. heating the substrate
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- 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
- B05D3/02—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 baking
- B05D3/0254—After-treatment
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- 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
- B05D3/0426—Cooling with air
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention provides a full-automatic powder and paint coating line for the inner wall and the outer wall of a gray iron straight pipe, which comprises the following components: pre-treatment equipment (outer wall shot blasting, inner wall sand blasting and soot blowing) and post-treatment equipment (inner wall preheating, inner wall powder spraying, inner wall curing and outer wall preheating, outer wall powder spraying and powder dipping, outer wall curing, forced cooling, repairing, code spraying, stacking and the like); the discharge hole of the pretreatment equipment is communicated with the feed hole of the post-treatment equipment; the pretreatment equipment is used for: the smoothness and the cleanliness of the surfaces of the outer wall and the inner wall of the gray iron straight pipe are improved to enhance the adhesive force of the powder of the post-treatment equipment; the post-processing device is configured to: and coating powder paint on the outer wall and the inner wall of the gray iron straight pipe. The invention aims to provide a full-automatic powder and paint coating line for the inner wall and the outer wall of a gray iron straight pipe, which realizes automation and has high working efficiency.
Description
Technical Field
The invention relates to the technical field of gray iron straight pipe processing equipment, in particular to a full-automatic powder and paint coating line for the inner wall and the outer wall of a gray iron straight pipe.
Background
Gray cast iron is cast iron in which carbon, a type of cast iron, is present in the form of flake graphite. The fractures appear grey. Has good casting and cutting performances and good wear resistance. For manufacturing frames, boxes, etc. The gray cast iron graphite is flaky, the effective bearing area is small, and the tip of the graphite is easy to generate stress concentration, so that the strength, the plasticity and the toughness of the gray cast iron are lower than those of other cast irons. But has excellent vibration damping properties, low notch sensitivity and high wear resistance.
Straight gray Iron pipes (Cast Iron Pipe), Cast pipes formed from Cast Iron. The straight gray iron pipe is used for water supply, water drainage and gas transmission pipelines and comprises a straight cast iron pipe and pipe fittings. After the gray iron straight pipe is cast and molded, the surface treatment of the gray iron straight pipe is needed to meet the use requirement;
however, the existing surface treatment equipment for the ash-iron straight pipe exists independently, the surface treatment process of the ash-iron straight pipe needs manual participation, automation cannot be realized, and the working efficiency is low.
Disclosure of Invention
The invention provides a full-automatic powder and paint coating line for the inner wall and the outer wall of a gray iron straight pipe, which aims to solve the problems.
The invention provides a full-automatic powder and paint coating line for the inner wall and the outer wall of a gray iron straight pipe, which comprises the following components: a pre-treatment component and a post-treatment component; the discharge hole of the pretreatment assembly is communicated with the feed inlet of the post-treatment assembly;
the pretreatment assembly is used for: carrying out a pretreatment process on the outer wall and the inner hole surface of the gray iron straight pipe; so as to improve the smoothness of the outer wall and the inner hole surface of the gray iron straight pipe;
the post-processing assembly is to: and coating powder paint on the outer wall and the inner hole surface of the gray iron straight pipe.
Preferably, the pretreatment module includes: the outer wall shot blasting mechanism, the first ash cleaning mechanism, the inner wall shot blasting mechanism and the second ash cleaning mechanism are sequentially connected end to end;
the aftertreatment component includes: the first heating device, the inner wall powder spraying mechanism, the second heating device, the outer wall powder spraying mechanism, the third heating device and the cooling mechanism are sequentially connected end to end.
Preferably, outer wall shot blasting mechanism includes conveyer, impeller head and shot blasting chamber, the impeller head delivery outlet is connected the shot blasting chamber, conveyer is located in the shot blasting chamber, conveyer includes the supporting part, supporting part equidistance interval rotates and is connected with a plurality of driving rollers, the driving roller middle part is equipped with the holding tank, the supporting part is installed the drive a plurality ofly driving assembly of driving roller pivoted.
Preferably, the driving assembly comprises a first bevel gear which is coaxially and rotatably connected with the transmission roller, the supporting part is rotatably connected with a transmission rod, the transmission rod is coaxially and rotatably connected with a plurality of second bevel gears, the second bevel gears are arranged at equal intervals, the second bevel gears and the first bevel gears of the transmission roller are meshed and connected one by one, and a driving part for driving the transmission rod to rotate is installed on the supporting part.
Preferably, the accommodating groove is a V-shaped groove.
Preferably, the first ash removal mechanism comprises a base, the base is connected with a rotating frame in a rotating mode, the base extends the horizontal axis to be connected with the rotating frame in a rotating mode, the rotating frame is provided with a clamping groove for clamping an iron ash straight pipe, and the base is provided with a cylinder for driving the rotating frame to rotate.
Preferably, an arc-shaped guide rail is arranged between the outer wall shot blasting mechanism and the first ash cleaning mechanism, one end of the arc-shaped guide rail faces towards the discharge hole of the outer wall shot blasting mechanism, the other end of the arc-shaped guide rail faces towards the feed hole of the first ash cleaning mechanism, and the base is slidably connected with the arc-shaped guide rail.
Preferably, inner wall peening mechanism includes workstation and sand blasting car, the sand blasting car is close to and keeps away from the workstation motion, the sand blasting car is equipped with a plurality of spray guns, the spray gun is close to the workstation setting.
Preferably, the second ash removal assembly comprises a first fan and a second fan, the first fan moves close to and away from the workbench, the first fan is provided with a plurality of air blowing pipes, and the air blowing pipes are arranged towards the workbench; the second fan is arranged between the inner wall shot blasting mechanism and the first heating device.
The invention has the following beneficial effects: the surface treatment process of the gray iron straight pipe does not need manual participation, the automation of the surface treatment of the gray iron straight pipe can be realized, and the working efficiency is high.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is an overall structural view of an embodiment of the present invention;
FIG. 2 is an enlarged view of a part of the embodiment A of the present invention;
FIG. 3 is an enlarged partial view of the embodiment B of the present invention;
FIG. 4 is a schematic view of a second ash removal mechanism according to an embodiment of the present invention;
FIG. 5 is a structural view of a collection device according to an embodiment of the present invention;
fig. 6 is a structural view of the air outlet device according to the embodiment of the present invention;
FIG. 7 is a structural view of a linkage according to an embodiment of the present invention.
Wherein, 1, an outer wall shot blasting mechanism; 2. a first ash removal mechanism; 3. an inner wall shot blasting mechanism; 4. a second ash removal mechanism; 5. a first heating device; 6. an inner wall powder spraying mechanism; 7. a second heating device; 8. the outer wall powder spraying mechanism; 9. a third heating device; 10. a cooling mechanism; 11. a shot blasting chamber; 12. a shot blasting machine; 13. a driving roller; 14. a first bevel gear; 15. a second bevel gear; 16. a transmission rod; 17. a base; 18. a rotating frame; 19. a cylinder; 20. an arc-shaped guide rail; 21. a gray iron straight pipe; 22. carrying out sand blasting vehicle; 23. a work table; 24. a spray gun; 25. a first dust collecting box; 26. a bell mouth; 27. a second dust collecting box; 28. a first link; 29. a second link; 30. a transverse plate; 31. a squeegee; 32. a first motor; 33. a vent pipe; 34. an air outlet pipe; 35. a housing; 36. a slide rail; 37. a slider; 38. a fourth link; 39. a fifth link; 40. an organ fan blade; 41. a second motor; 42. an air outlet device; 43. a first runner; 44. a first telescopic rod; 45. a first elastic member; 46. a second runner; 47. a belt; 48. a support bar; 49. a second telescopic rod; 50. a second elastic member; 51. a third rotating wheel; 52. a hose; 53. a first ejector rod; 54. a second ejector rod; 55. a third elastic member; 56. a ball bearing; 57. a deflector rod; 58. a first fan; 59. an air blowing pipe; 60. and a third link.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
According to the embodiments of the present invention shown in fig. 1 to 7, there is provided a full-automatic powder and paint coating line for inner and outer walls of a straight gray iron pipe, comprising: a pre-treatment component and a post-treatment component; the discharge hole of the pretreatment assembly is communicated with the feed inlet of the post-treatment assembly;
the pretreatment assembly is used for: the pretreatment process is carried out on the outer wall and the inner hole surface of the gray iron straight pipe 21, and the post-treatment component is used for: coating powder paint on the outer wall and the inner hole surface of the gray iron straight pipe 21;
the working principle of the technical scheme is as follows: the gray iron straight pipe 21 firstly enters a pretreatment assembly, and the pretreatment assembly removes impurities on the outer wall and the inner hole surface of the gray iron straight pipe 21 and improves the smoothness of the outer wall and the inner hole surface of the gray iron straight pipe 21; and then the gray iron straight pipe 21 enters a post-treatment assembly, and the post-treatment assembly coats powder coating on the outer wall and the inner hole surface of the gray iron straight pipe 21, so that the outer wall and the inner hole surface of the gray iron straight pipe 21 are smooth and corrosion-resistant, and the use requirement is met.
The pretreatment process comprises the following steps: roughly processing the outer wall and the inner hole surface of the gray iron straight pipe 21, namely performing shot blasting on the outer wall of the gray iron straight pipe 21, performing sand blasting on the inner wall of the gray iron straight pipe 21, and performing soot blowing on the gray iron skin straight pipe 21 subjected to shot blasting and sand blasting; the smooth finish of the outer wall and the inner hole surface of the gray iron straight pipe 21 is improved conveniently; further realizing the smooth operation of the post-treatment process by the post-treatment equipment;
the post-processing equipment is used for finely processing the inner wall of the gray iron straight pipe 21 workpiece, namely: preheating, inner wall powder spraying, inner wall curing and outer wall preheating, outer wall powder spraying and powder soaking, outer wall curing, forced cooling, repairing, code spraying, stacking and the like.
The beneficial effects of the above technical scheme are: the surface treatment process of the gray iron straight pipe 21 does not need manual participation, the automation of the surface treatment of the gray iron straight pipe 21 can be realized, and the working efficiency is high.
In one embodiment, the preprocessing component includes: the device comprises an outer wall shot blasting mechanism 1, a first ash cleaning mechanism 2, an inner wall shot blasting mechanism 3 and a second ash cleaning mechanism 4 which are sequentially connected end to end;
the aftertreatment component includes: the device comprises a first heating device 5, an inner wall powder spraying mechanism 6, a second heating device 7, an outer wall powder spraying mechanism 8, a third heating device 9 and a cooling mechanism 10 which are sequentially connected end to end;
the discharge hole of the outer wall shot blasting mechanism 1 is communicated with the feed inlet of the first ash cleaning mechanism 2, the discharge hole of the first ash cleaning mechanism 2 is communicated with the feed inlet of the inner wall shot blasting mechanism 3, the discharge hole of the inner wall shot blasting mechanism 3 is communicated with the feed inlet of the second ash cleaning mechanism 4, the discharge hole of the second ash cleaning mechanism 4 is communicated with the feed inlet of the first heating device 5, the discharge hole of the first heating device 5 is communicated with the feed inlet of the inner wall powder spraying mechanism 6, the discharge hole of the inner wall powder spraying mechanism 6 is communicated with the feed hole of the second heating device 7, the discharge hole of the second heating device 7 is communicated with the feed hole of the outer wall powder spraying mechanism 8, the discharge hole of the outer wall powder spraying mechanism 8 is communicated with the feed hole of the third heating device 9, and the discharge hole of the third heating device 9 is communicated with the feed hole of the cooling mechanism 10;
the working principle of the technical scheme is as follows: the gray iron straight pipe 21 enters the outer wall shot blasting mechanism 1, the outer wall shot blasting mechanism 1 carries out treatment on the outer wall of the gray iron straight pipe 21 to improve the finish of the outer wall of the gray iron straight pipe 21, the gray iron straight pipe 21 enters the first ash cleaning mechanism 2, the first ash cleaning mechanism 2 removes sand grains on the surface and in the inner hole of the gray iron straight pipe 21, the gray iron straight pipe 21 enters the inner wall shot blasting mechanism, the inner wall shot blasting mechanism carries out treatment on the inner hole of the gray iron straight pipe 21 to improve the finish of the inner wall of the gray iron straight pipe 21, the gray iron straight pipe 21 enters the second ash cleaning mechanism 4, and the second ash cleaning mechanism 4 removes sand grains on the surface and in the inner hole of the gray iron straight pipe 21 to finish rough machining of the surface of the gray iron straight pipe 21; then the gray iron straight pipe 21 enters a first heating device 5, the first heating device 5 carries out preheating treatment on the gray iron straight pipe 21, the gray iron straight pipe 21 enters an inner wall powder spraying mechanism 6, the inner wall powder spraying mechanism 6 enables the surface of an inner hole of the gray iron straight pipe 21 to be covered with powder paint, the gray iron straight pipe 21 enters a second heating device 7, the second heating device 7 carries out preheating treatment on the gray iron straight pipe 21 again, the gray iron straight pipe 21 enters an outer wall powder spraying mechanism 8, the outer wall powder spraying mechanism 8 enables the outer wall and the end part of the gray iron straight pipe 21 to be covered with the powder paint, the gray iron straight pipe 21 enters the second heating device 7, the second heating device 7 carries out heat preservation treatment on the gray iron straight pipe 21 to enhance the stability of the powder paint on the surface of the gray iron straight pipe 21, the gray iron straight pipe 21 enters a temperature reducing device, and the temperature reducing device enables the gray iron straight pipe 21 to be rapidly cooled to the normal temperature, and the surface treatment of the gray iron straight pipe 21 is completed;
the beneficial effects of the above technical scheme are: the surface treatment process of the gray iron straight pipe 21 does not need manual participation, the automation of the surface treatment of the gray iron straight pipe 21 can be realized, and the working efficiency is high.
In one embodiment, the outer wall shot blasting mechanism 1 comprises a conveying device, a shot blasting device 12 and a shot blasting chamber 11, an output port of the shot blasting device 12 is connected with the shot blasting chamber 11, the conveying device is located in the shot blasting chamber 11, the conveying device comprises a supporting part, the supporting part is connected with a plurality of driving rollers 13 in a rotating mode at equal intervals, an accommodating groove is formed in the middle of each driving roller 13, and a driving assembly for driving the plurality of driving rollers 13 to rotate is mounted on the supporting part;
the working principle of the technical scheme is as follows: the driving assembly drives the driving roller 13 to rotate, the driving roller 13 drives the gray iron straight pipes 21 to move forwards in the accommodating groove in sequence, and the shot blasting machine 12 performs shot blasting treatment on the gray iron straight pipes 21 in the shot blasting chamber one by one;
the beneficial effects of the above technical scheme are: can prevent the grey iron straight pipe 21 from piling up each other, improve the effect of grey iron straight pipe 21 surface treatment.
In one embodiment, the driving assembly comprises a first bevel gear 14 coaxially and rotatably connected to the driving roller 13, the supporting part is rotatably connected to a driving rod 16, the driving rod 16 is coaxially and rotatably connected to a plurality of second bevel gears 15, the plurality of second bevel gears 15 are arranged at equal intervals, the plurality of second bevel gears 15 are in one-to-one meshing connection with the plurality of first bevel gears 14 of the driving roller 13, and the supporting part is provided with a driving part for driving the driving rod 16 to rotate;
the working principle of the technical scheme is as follows: the driving piece drives the transmission rod 16 to rotate, the transmission rod 16 rotates through the second bevel gear 15, the second bevel gear 15 drives the first bevel gear 14 to rotate, and the first bevel gear 14 drives the transmission roller 13 to rotate;
the beneficial effects of the above technical scheme are: the rotating speeds of the driving rollers 13 are the same, and the driving rollers 13 drive the ash iron straight pipes 21 to move forwards at a constant speed, so that the ash iron straight pipes 21 are prevented from colliding forwards and backwards.
In one embodiment, the receiving groove is a V-shaped groove;
the working principle of the technical scheme is as follows: the contact area between the V-shaped groove and the gray iron straight pipe 21 is small;
the beneficial effects of the above technical scheme are: the shot blasting effect of the straight gray iron pipe 21 is improved.
In one embodiment, the first ash removal mechanism 2 comprises a base 17, a rotating frame 18 is rotatably connected to the base 17, the base 17 is rotatably connected to the rotating frame 18 along a horizontal axis, the rotating frame 18 is provided with a clamping groove for clamping a straight grey iron pipe 21, and the base 17 is provided with an air cylinder 19 for driving the rotating frame 18 to rotate;
the working principle of the technical scheme is as follows: after outer wall shot blasting treatment, the straight gray iron pipe 21 enters the first ash removal mechanism 2, the straight gray iron pipe 21 is clamped in the notch groove, the air cylinder 19 drives the rotating frame 18 to rotate and incline, the rotating frame 19 drives the straight gray iron pipe 21 to incline, and sand grains in the straight gray iron pipe 21 are poured out;
the beneficial effects of the above technical scheme are: and sand grains in the inner hole of the gray iron straight pipe 21 are poured out, so that the shot blasting effect of the inner hole of the gray iron straight pipe 21 is improved.
In one embodiment, an arc-shaped guide rail 20 is arranged between the outer wall shot blasting mechanism 1 and the first ash cleaning mechanism 2, one end of the arc-shaped guide rail 20 faces the discharge hole of the outer wall shot blasting mechanism 1, the other end of the arc-shaped guide rail 20 faces the feed hole of the first ash cleaning mechanism 2, and the base 17 is slidably connected to the arc-shaped guide rail 20;
the working principle of the technical scheme is as follows: after sand grains in the gray iron straight pipe 21 are poured out, the base 17 moves 90 degrees along the arc-shaped guide rail 20, and the base 17 drives the gray iron straight pipe 21 to move 90 degrees to convey the gray iron straight pipe 21 to a feeding hole of the inner wall shot blasting mechanism 3;
the beneficial effects of the above technical scheme are: under the action of the arc-shaped guide rail 20, the straight gray iron pipes 21 arranged in the extension direction are changed into transverse arrangement, so that a plurality of shot blasting guns can conveniently penetrate into the straight gray iron pipes 21 to perform shot blasting treatment.
In one embodiment, the inner wall peening mechanism 3 includes a work table 23 and a blasting cart 22, the blasting cart 22 moves close to and away from the work table 23, the blasting cart 22 is provided with a plurality of spray guns 24, and the spray guns 24 are arranged close to the work table 23;
the working principle of the technical scheme is as follows: the sand blasting vehicle 22 moves towards the workbench 23, the sand blasting vehicle 22 drives a plurality of spray guns 24 to move towards the workbench 23, and the spray guns 24 penetrate into the inner hole of the grey iron straight pipe 21 on the workbench 23 for shot blasting;
the beneficial effects of the above technical scheme are: the plurality of spray guns 24 are used for carrying out shot blasting treatment on the inner holes of the plurality of gray iron straight pipes 21, so that the working efficiency is improved.
In one embodiment, the second ash removal assembly comprises a first fan 58 and a second fan, the first fan 58 moves close to and away from the workbench 23, the first fan 58 is provided with a plurality of air blowing pipes 59, and the air blowing pipes 59 are arranged towards the workbench 23; the second fan is arranged between the inner wall shot blasting mechanism 3 and the first heating device 5;
the working principle of the technical scheme is as follows: the ash iron straight pipe 21 enters the second ash removal component, and the first fan 58 and the second fan blow air to the ash iron straight pipe 21 so as to completely remove sand grains in the ash iron straight pipe 21;
the beneficial effects of the above technical scheme are: after the sand grains on the surface of the straight grey iron pipe 21 are completely removed, the powder spraying process is carried out, and the effect of the powder spraying process is improved.
In one embodiment, the bottom of the shot blasting chamber 11 is provided with a collecting device, the collecting device comprises a first dust box 25 in a cuboid box shape, the upper side edge of the first dust box 25 is outwards expanded to form a bell mouth 26, one end of the bottom of the first dust box 25, which is close to the length direction of the first dust box 25, is provided with an opening, the opening is downwards communicated with a second dust box 27, and the second dust box 27 is detachably arranged on the first dust box 25;
a first connecting rod 28 and a second connecting rod 29 are rotatably connected to the first dust collection box 25, the first connecting rod 28 and the second connecting rod 29 are parallel, a third connecting rod 60 is hinged to one end, away from the first dust collection box 25, of the first connecting rod 28, the third connecting rod 60 and one end, away from the first dust collection box 25, of the second connecting rod 29 are hinged, the third connecting rod 60 is parallel to the length direction of the first dust collection box 25, and the first connecting rod 28, the second connecting rod 29 and the third connecting rod 60 form a parallelogram mechanism; the third connecting rod 60 is fixedly connected with a transverse plate 30, a plurality of scraping plates 31 extend from the bottom of the transverse plate 30, the scraping plates 31 are arranged in an array along the length direction of the first dust collection box 25, and the scraping plates 31 are perpendicular to the length direction of the first dust collection box 25; the first dust box 25 is provided with a first motor 32 for driving the first connecting rod 28 to rotate;
the working principle of the technical scheme is as follows: in the outer wall shot blasting process, sand particles sprayed by a shot blasting machine fall into the bell mouth 26, the bell mouth 26 has a convergence effect to enable the sand particles to be concentrated in the first dust collection box 25, the first motor 32 drives the parallelogram mechanism to move, the first connecting rod 28, the second connecting rod 29 and the third connecting rod 60 are mutually linked, the third connecting rod 60 drives the plurality of scraping plates 31 to rotate, the scraping plates 31 continuously push the sand particles at the bottom of the dust collection box to the opening, the sand particles fall into the second dust collection box 27 from the opening, and the second dust collection box 27 is detached for concentrated treatment after the equipment is stopped;
the beneficial effects of the above technical scheme are: the sand grains are prevented from being accumulated in the outer wall shot blasting mechanism 1, and the sand grains are recycled, so that the use cost of equipment is reduced; the scrapers 31 can divide the sand grains piled at the bottom of the first dust collection box 25 into a plurality of sand piles, and each sand pile is sequentially pushed into the opening by each scraper 31, so that the sand grain cleaning efficiency is improved, and the difficulty in cleaning the sand grains is reduced.
In one embodiment, the blasting chamber 11 is provided with an air blowing device, the air blowing device includes a ventilation pipe 33, one end of the ventilation pipe 33 is communicated with a plurality of air outlet pipes 34, the other end of the ventilation pipe 33 is connected with an air outlet device 42, the plurality of air outlet pipes 34 are fixedly connected to the inner wall of the bell mouth 26 at equal intervals, an air outlet of the air outlet pipes 34 faces the bottom of the first dust collecting box 25, the air outlet device 42 includes a housing 35, the housing 35 is rotatably connected with a slide rail 36, the slide rail 36 is slidably connected with a slide block 37, the slide block 37 is circumferentially crossed with a plurality of fourth connecting rods 38 around the slide block 37, one end of the slide rail 36, which is far away from the slide rail 36, is hinged with a fifth connecting rod 39, one end of the fifth connecting rod 39, which is far away from the slide rail 36, is hinged between two ends of the fourth connecting rods 38, one end of the fourth connecting rod 38, which is far away from the slide block 37, is provided with fan blades, the fan blade is an organ fan blade 40 of a folding mechanism, one end of the organ fan blade 40 away from the fourth connecting rod 38 is fixedly mounted on the sliding rail 36, an air inlet and an air outlet are arranged at two ends of the shell 35 along the direction of the sliding rail 36, the air outlet is fixedly connected with the other end of the ventilation pipe 33, and the shell 35 is provided with a second motor 41 for driving the sliding rail 36 to rotate; and an air speed control mechanism for driving the sliding block 37 to slide.
The working principle of the technical scheme is as follows: the second motor 41 drives the sliding rail 36 to rotate, the sliding block 37 drives the organ fan blades 40 to rotate to suck air in the air inlet and output the air from the air outlet, the air flows from the ventilation pipe 33 and is sprayed out from the air outlet pipe 34, and the sprayed air blows sand grains accumulated on the inner wall of the bell mouth 26 into the first dust collection box 25; the air speed control mechanism drives the sliding block 37 to slide, the sliding block 37 drives the fourth connecting rod 38 to rotate, the fourth connecting rod 38 drives the fifth connecting rod 39 to rotate, one end of the fourth connecting rod 38, which is far away from the sliding block 37, is close to the sliding rail 36 to move, the area of the organ fan blade 40 is increased or decreased, the air speed of the air outlet pipe 34 is continuously controlled according to the accumulation degree of sand grains in the first dust collection box 25, when the sand grains in the first dust collection box 25 are too small, the area of the organ fan blade 40 is increased, the air outlet quantity of the air outlet 34 is increased, and the quantity of the sand grains on the inner wall of the bell mouth 26 blown into the first dust collection box 25 is increased; when the sand grains in the first dust collection box 25 are too much, the area of the organ fan blades 40 is reduced, the air outlet quantity of the air outlet 34 is reduced, and the quantity of the sand grains on the inner wall of the bell mouth 26 blown into the first dust collection box 25 is reduced;
the beneficial effects of the above technical scheme are: the wind speed of the air outlet pipe 34 can be controlled according to the accumulation degree of sand grains on the inner wall of the bell mouth 26, so that the quantity of the sand grains in the first dust collection box 25 is basically constant, the working efficiency of the collecting device is improved, the rotating speed of the first motor 21 in the mobile phone device is constant, and the service life of the first motor 32 is prolonged.
In one embodiment, the wind speed control mechanism comprises a first wheel 43 rotatably connected to a first dust collecting box 25, the first wheel 43 is fixedly connected to the second connecting rod 29, a rotating shaft between the second connecting rod 29 and the first dust collecting box 25 is coaxial with the first wheel 43, the first wheel 43 is connected with a plurality of first telescopic rods 44 in a sliding manner along the radial direction of the first wheel 43, a first elastic member 45 is connected between the first telescopic rods 44 and the first wheel 43, one end of the supporting rod 48 far away from the first wheel 43 is connected with a second wheel 46 in a rotating manner, a belt 47 is wrapped on the outer wall of the plurality of second wheels 46, a supporting rod 48 is connected in a rotating manner along the coaxial direction of the first wheel 43, a second telescopic rod 49 is connected to the supporting rod 48 in a sliding manner along the length direction of the supporting rod 48, and a second elastic member 50 is connected between the supporting rod 48 and the second telescopic rod 49, one end of the second telescopic rod 49, which is far away from the support rod 48, is rotatably connected with a third rotating wheel 51, the outer wall of the third rotating wheel 51 is wrapped with the belt 47, the first dust collecting box 25 is fixedly connected with a hose 52, one end of the hose 52 is opened towards the air outlet device 42, the other end of the hose 52 is opened towards the collecting device, the inner wall of one end of the hose 52 is slidably connected with a first ejector rod 53, the sliding direction of the first ejector rod 53 is parallel to the length direction of the second telescopic rod 49, one end of the first ejector rod 53 extends out of the hose 52 and is fixedly connected with the second telescopic rod 49, the inner wall of the other end of the hose 52 is slidably sleeved with a second ejector rod 54, the slide block 37 is axially and rotatably connected with a shift lever 57, the shift lever 57 is slidably connected with the shell 35 along the length direction of the slide rail 36, and one side of the second ejector rod 54 is abutted against the shift lever 57, a third elastic element 55 is connected between the shift lever 57 and the housing 35.
The working principle of the technical scheme is as follows: when too much sand is accumulated in the first dust collection box 25, the resistance received by the scraper 31 is increased, the rotating speed of the second connecting rod 29 is reduced, the rotating speed of the first rotating wheel 43 is reduced, the first telescopic rod 44 moves close to the center of the first rotating wheel 43 under the action of centrifugal force, the second rotating wheel 46 moves close to the center of the first rotating wheel 43, the radius of the belt 47 is contracted, the second telescopic rod moves away from the first rotating wheel 43 under the action of the second elastic piece 50, the second telescopic rod 49 drives the first push rod 53 to move, the first push rod 53 drives the ball 56 to move along the hose 52, the ball 56 drives the second push rod 54 to move, the second push rod 54 pushes the deflector rod 57 to move, the deflector rod 57 drives the slide block 37 to move, the area of the organ fan blade 40 is increased, and the air output of the air outlet pipe 34 is increased;
when few sand grains are accumulated in the first dust collection box 25, the rotating speed of the second connecting rod 29 is increased, the resistance received by the scraper 31 is reduced, the rotating speed of the first rotating wheel 43 is increased, the first telescopic rod 44 moves away from the center of the first rotating wheel 43 under the action of centrifugal force, the second rotating wheel 46 moves away from the center of the first rotating wheel 43, the radius of the belt 47 is increased, the second telescopic rod moves close to the first rotating wheel 43 under the action of the second elastic piece 50, the second telescopic rod 49 drives the first ejector rod 53 to move, the first ejector rod 53 is contracted, the third elastic piece pushes the deflector rod 57 to drive the sliding block 37 to move, the second ejector rod 54 drives the ball 56 to move along the hose 52, the area of the organ fan blade 40 is reduced, and the air output of the air outlet pipe 34 is reduced; similarly, the rotating speed of the second rotating wheel 46 is reduced, and the air output of the air outlet pipe 34 is reduced;
the beneficial effects of the above technical scheme are: the wind speed of the air outlet pipe 34 can be dynamically controlled according to the accumulated amount of the sand grains in the first dust collection box 25, so that the sand grains are still conveyed into the first dust collection box 25 when the accumulated amount of the sand grains in the first dust collection box 25 is excessive, and the first motor is damaged due to overheating; the air outlet pipe 34 is prevented from blowing the first dust collection box 25 up due to too high air speed when the accumulated amount of sand grains in the first dust collection box 25 is too small, so that the sand removing efficiency of the equipment is prevented from being low.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. The utility model provides a full-automatic powder of grey iron straight tube inner wall and outer wall and paint coating line which characterized in that includes: a pre-treatment component and a post-treatment component; the discharge hole of the pretreatment assembly is communicated with the feed inlet of the post-treatment assembly;
the pretreatment assembly is used for: the pretreatment process is carried out on the outer wall and the inner hole surface of the gray iron straight pipe (21);
the post-processing assembly is to: coating powder paint on the outer wall and the inner hole surface of the gray iron straight pipe (21);
the pretreatment assembly comprises: the device comprises an outer wall shot blasting mechanism (1), a first ash cleaning mechanism (2), an inner wall shot blasting mechanism (3) and a second ash cleaning mechanism (4) which are sequentially connected end to end;
the aftertreatment component includes: the device comprises a first heating device (5), an inner wall powder spraying mechanism (6), a second heating device (7), an outer wall powder spraying mechanism (8), a third heating device (9) and a cooling mechanism (10) which are sequentially connected end to end;
the outer wall shot blasting mechanism (1) comprises a conveying device, a shot blasting device (12) and a shot blasting chamber (11), wherein an output port of the shot blasting device (12) is connected with the shot blasting chamber (11), the conveying device is positioned in the shot blasting chamber (11), the conveying device comprises a supporting part, the supporting part is connected with a plurality of driving rollers (13) in a rotating mode at equal intervals, an accommodating groove is formed in the middle of each driving roller (13), and a driving assembly for driving the plurality of driving rollers (13) to rotate is installed on the supporting part;
the bottom of the shot blasting chamber (11) is provided with a collecting device, the collecting device comprises a first dust collection box (25) in a cuboid box shape, the edge of the upper side of the first dust collection box (25) is outwards expanded to form a bell mouth (26), one end of the bottom of the first dust collection box (25), which is close to the length direction of the first dust collection box (25), is provided with an opening, the opening is downwards communicated with a second dust collection box (27), and the second dust collection box (27) is detachably mounted on the first dust collection box (25);
the first dust collection box (25) is rotatably connected with a first connecting rod (28) and a second connecting rod (29), the first connecting rod (28) is parallel to the second connecting rod (29), one end, far away from the first dust collection box (25), of the first connecting rod (28) is hinged with a third connecting rod (60), one end, far away from the first dust collection box (25), of the third connecting rod (60) is hinged with one end, far away from the first dust collection box (25), of the second connecting rod (29), the third connecting rod (60) is parallel to the length direction of the first dust collection box (25), and the first connecting rod (28), the second connecting rod (29) and the third connecting rod (60) form a parallelogram mechanism; the third connecting rod (60) is fixedly connected with a transverse plate (30), a plurality of scraping plates (31) extend from the bottom of the transverse plate (30), the scraping plates (31) are arranged in an array along the length direction of the first dust collection box (25), and the scraping plates (31) are vertical to the length direction of the first dust collection box (25); the first dust collection box (25) is provided with a first motor (32) for driving the first connecting rod (28) to rotate.
2. The full-automatic powder and paint coating line for the inner wall and the outer wall of a straight gray iron pipe as claimed in claim 1, wherein the driving assembly comprises a first bevel gear (14) coaxially and rotatably connected to the driving roller (13), the supporting part is rotatably connected with a driving rod (16), the driving rod (16) is coaxially and rotatably connected with a plurality of second bevel gears (15), the plurality of second bevel gears (15) are arranged at equal intervals, the plurality of second bevel gears (15) are in one-to-one meshing connection with the first bevel gears (14) of the plurality of driving rollers (13), and the supporting part is provided with a driving part for driving the driving rod (16) to rotate.
3. The fully automatic powder and paint coating line for the inner and outer walls of a straight gray iron pipe as claimed in claim 1, wherein said receiving groove is a V-shaped groove.
4. The full-automatic powder and paint coating line for the inner wall and the outer wall of the straight gray iron pipe as claimed in claim 1, wherein the first ash removal mechanism (2) comprises a base (17), the base (17) is rotatably connected with a rotating frame (18), the base (17) is rotatably connected with the rotating frame (18) along a horizontal axis, the rotating frame (18) is provided with a clamping groove for clamping the straight gray iron pipe (21), and the base (17) is provided with an air cylinder (19) for driving the rotating frame (18) to rotate.
5. The full-automatic powder and paint coating line for the inner wall and the outer wall of the straight gray iron pipe according to claim 4, characterized in that an arc-shaped guide rail (20) is arranged between the outer wall shot blasting mechanism (1) and the first ash cleaning mechanism (2), one end of the arc-shaped guide rail (20) faces a discharge hole of the outer wall shot blasting mechanism (1), the other end of the arc-shaped guide rail (20) faces a feed hole of the first ash cleaning mechanism (2), and the base (17) is connected to the arc-shaped guide rail (20) in a sliding manner.
6. A full automatic powder and paint coating line for inner and outer walls of straight gray iron pipes according to claim 1, wherein the inner wall shot blasting mechanism (3) comprises a workbench (23) and a sand blasting vehicle (22), the sand blasting vehicle (22) moves close to and away from the workbench (23), the sand blasting vehicle (22) is provided with a plurality of spray guns (24), and the spray guns (24) are arranged close to the workbench (23).
7. The full-automatic powder and paint coating line for the inner wall and the outer wall of the straight gray iron pipe as claimed in claim 6, wherein the second ash removing mechanism comprises a first fan (58) and a second fan, the first fan (58) moves close to and away from the workbench (23), the first fan (58) is provided with a plurality of air blowing pipes (59), and the air blowing pipes (59) are arranged towards the workbench (23); the second fan is arranged between the inner wall shot blasting mechanism (3) and the first heating device (5).
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| CN202110659013.XA CN113351411B (en) | 2021-06-15 | 2021-06-15 | Full-automatic powder and paint coating line for inner wall and outer wall of gray iron straight pipe |
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| CN202110659013.XA CN113351411B (en) | 2021-06-15 | 2021-06-15 | Full-automatic powder and paint coating line for inner wall and outer wall of gray iron straight pipe |
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| CN116079598B (en) * | 2022-12-13 | 2023-08-29 | 江西领丰电子有限公司 | Mobile phone middle frame processing equipment and method |
| CN116197091A (en) * | 2023-01-09 | 2023-06-02 | 河北中和铸造有限公司 | Valve spraying process |
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| CN102837425B (en) * | 2012-10-08 | 2014-11-12 | 潍坊亿斯特管业科技有限公司 | Technology for coating three-layer polyethylene structure on outer wall and fusing epoxy resin on inner wall of steel pipe |
| CN103801488B (en) * | 2014-02-17 | 2017-02-01 | 中山市君禾机电设备有限公司 | Vertical circular spraying chamber applied to powder spray-coating line |
| CN105413978B (en) * | 2015-10-21 | 2018-06-19 | 青岛豪德博尔实业有限公司 | A kind of parallel arrangement of tunnel synchronization spraying and cured processing method |
| CN210171734U (en) * | 2019-04-03 | 2020-03-24 | 四川海隆石油技术有限公司 | Vacuum powder spraying device for inner wall anticorrosive coating of petroleum pipeline |
| CN110170411B (en) * | 2019-06-24 | 2024-06-28 | 苏州工业职业技术学院 | Automatic powder spraying and coating production system for workpieces |
| CN111468353A (en) * | 2020-04-28 | 2020-07-31 | 宁波市盛丰钢塑管制造厂 | Production line for internal suction and external spraying of pipe and manufacturing method |
| CN111871743A (en) * | 2020-06-05 | 2020-11-03 | 明达实业(厦门)有限公司 | Pipe inner wall plastic coating process |
| CN112474626A (en) * | 2020-12-01 | 2021-03-12 | 禹州市鼎锋机械科技有限公司 | Mechanized cleaning and dust removing device for gray cast iron pipe |
| CN112495647A (en) * | 2020-12-02 | 2021-03-16 | 福州经济技术开发区星络网电子科技有限公司 | Automatic rust removing and antirust paint spraying device for steel pipe |
| CN112934546A (en) * | 2021-03-25 | 2021-06-11 | 广西建工集团建筑机械制造有限责任公司 | Coating production line and coating process for standard knot of construction elevator |
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