CN115318473A - Pipe fitting inner wall electrostatic spraying device - Google Patents
Pipe fitting inner wall electrostatic spraying device Download PDFInfo
- Publication number
- CN115318473A CN115318473A CN202211257128.7A CN202211257128A CN115318473A CN 115318473 A CN115318473 A CN 115318473A CN 202211257128 A CN202211257128 A CN 202211257128A CN 115318473 A CN115318473 A CN 115318473A
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- Prior art keywords
- pipe fitting
- pipe
- dust removing
- spraying
- wall
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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
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/08—Plant for applying liquids or other fluent materials to objects
- B05B5/12—Plant for applying liquids or other fluent materials to objects specially adapted for coating the interior of hollow bodies
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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
- B05B13/0627—Arrangements of nozzles or spray heads specially adapted 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
- 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
- B05B13/0645—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 rotated during treatment operation
- B05B13/0654—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 rotated during treatment operation and a treating nozzles being translated through the hollow bodies in a direction essentially parallel to the rotational axis
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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
- B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Electrostatic Spraying Apparatus (AREA)
Abstract
The invention is suitable for the technical field of electrostatic spraying equipment, and provides a pipe inner wall electrostatic spraying device, which comprises: the pipe fitting, the two three-jaw chucks and the rotating motor are used for fixing the pipe fitting and driving the pipe fitting to rotate; the spraying pipe penetrates through the middle of the two three-jaw chucks, and the positioning mechanism is used for positioning the spraying pipe; the positioning mechanism comprises a top column which is matched and clamped with the front end face of the spraying pipe and a stress sleeve which is sleeved outside the top column, and at least three positioning assemblies are arranged between the top column and the stress sleeve.
Description
Technical Field
The invention relates to the technical field of electrostatic spraying equipment, in particular to an electrostatic spraying device for an inner wall of a pipe fitting.
Background
As is well known, an electrostatic spraying device for the inner wall of a tubular member is an auxiliary device which is used in the process of processing the tubular member to perform electrostatic spraying on the inner wall of the tubular member so as to produce the tubular member, and is widely used in the field of electrostatic spraying; the existing electrostatic spraying device for the inner wall of the tubular member sprays through one end of the tubular member, and the other end of the tubular member discharges, so that electrostatic spraying operation on the inner part of the tubular member is realized, and when the device is used, the fact that the spraying distance of powder is short when a spraying head is low in force results in limited spraying effect on the inner side wall of the tubular member in the other end area, and when the spraying head is high in force, the spraying distance of the powder is long, the sprayed powder is easy to output to the outside through the other end of the tubular member, and the output powder is easy to scatter around, so that the working environment is influenced, and the use reliability is poor; and the spun powder can be piled up in the base bottom, leads to follow-up often to clear up it, and is comparatively troublesome, and the result of use is limited.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
Disclosure of Invention
In view of the above-mentioned drawbacks, an object of the present invention is to provide an electrostatic spraying apparatus for an inner wall of a pipe fitting, which can ensure a sufficient spraying effect on the inside of the pipe fitting by providing an electrostatic nozzle extending into the inside of the pipe fitting, and meanwhile, dust suction structures are provided on both sides of the nozzle to adsorb the excessive spraying materials on both sides of the electrostatic nozzle, so as to prevent the phenomenon of uneven electrostatic spraying caused by the accumulation of the spraying materials in the inside of the pipe fitting, and optimize the spraying effect on the inside of the pipe fitting.
In order to achieve the above object, the present invention provides an electrostatic coating apparatus for an inner wall of a pipe, comprising: the pipe fitting is fixed, and the two three-jaw chucks and the rotating motor are used for driving the pipe fitting to rotate; the spraying pipe penetrates through the middle of the two three-jaw chucks, and the positioning mechanism is used for positioning the spraying pipe; positioning mechanism include with the fore-end face cooperation joint of spray pipe the fore-stock and the cover are located the atress cover in the fore-stock outside, be equipped with at least three locating component between fore-stock and the atress cover, when fore-stock and atress cover relative movement, locating component along the pipe fitting is radially flexible.
According to the electrostatic spraying device for the inner wall of the pipe fitting, the inner side surfaces of the two dust removing discs are respectively provided with the plurality of dust removing holes, the dust removing discs are internally provided with the dust removing space, the dust removing holes are communicated with the dust removing space, and the outer peripheral surfaces of the dust removing discs are respectively provided with the dust removing gaps communicated with the dust removing space.
According to the electrostatic spraying device for the inner wall of the pipe fitting, three channels are arranged inside the spraying pipe, the three channels are two dust removing channels communicated with dust removing spaces inside two dust removing discs and a feeding channel for feeding the electrostatic spray heads, and the three channels are not communicated with each other.
According to the electrostatic spraying device for the inner wall of the pipe fitting, the front end face of the spraying pipe is provided with the conical groove, the front end of the ejection column is provided with the conical protrusion arranged corresponding to the conical groove, and the conical groove and the conical protrusion are matched with each other to position the ejection column and the spraying pipe in the same axis.
According to the electrostatic spraying device for the inner wall of the pipe fitting, the outer wall of the top column is provided with a first mounting flange, one end, adjacent to the first mounting flange, of the stress sleeve is provided with a second mounting flange, the positioning assembly comprises a first supporting rod and a second supporting rod, one end of the first supporting rod is hinged to the first mounting flange, one end of the second supporting rod is hinged to the second mounting flange, the other ends of the first supporting rod and the second supporting rod are hinged to the same positioning column, and balls are arranged on the outer side of the positioning column.
According to the electrostatic spraying device for the inner wall of the pipe fitting, when the first mounting flange and the second mounting flange are close to each other, the first supporting rod and the second supporting rod are matched to enable the positioning column to be far away from the top column; when the first mounting flange and the second mounting flange are far away from each other, the first supporting rod and the second supporting rod are matched to enable the positioning column to be close to the top column.
According to the electrostatic spraying device for the inner wall of the pipe fitting, the outer portion of the top column is sleeved with the thrust spring, and the thrust spring provides a force for enabling the first mounting flange and the second mounting flange to be away from each other.
According to the electrostatic spraying device for the inner wall of the pipe fitting, the end, far away from the pipe fitting, of the spraying pipe and the end, far away from the pipe fitting, of the positioning mechanism are respectively provided with the driving mechanism for controlling the spraying pipe and the positioning mechanism to move along the axis of the pipe fitting.
The invention provides a pipe fitting inner wall electrostatic spraying device, comprising: the pipe fitting, the two three-jaw chucks and the rotating motor are matched with the rotating motor and the three-jaw chucks, so that the pipe fitting can be driven to rotate while being clamped, and a sufficient space is formed in the axis of the three-jaw chucks, so that a spraying pipe and a positioning mechanism can penetrate through the chucks to enter the pipe fitting to spray the inner wall of the pipe fitting; the spraying pipe penetrates through the middle of the two three-jaw chucks and the positioning mechanism is used for positioning the spraying pipe, the positioning mechanism is matched with the spraying pipe, the axis of the spraying pipe is coincident with the axis of the pipe fitting when the spraying pipe is sprayed, the spraying on the inner wall of the spraying pipe is more uniform, a plurality of electrostatic spray heads perpendicular to the axis of the pipe fitting are arranged at the front end of the spraying pipe, dust removing discs are arranged on two sides of each electrostatic spray head, when the inner wall of the pipe fitting is sprayed, the pipe fitting rotates, the electrostatic spray heads perform spraying operation, and meanwhile, the dust removing discs work to remove dust and extract materials on two sides of each electrostatic spray head and paint which is not adhered to the inner wall of the pipe fitting, so that the spraying effect is prevented from being influenced by residual materials in the pipe fitting; the positioning mechanism comprises a top column matched and clamped with the front end face of the spraying pipe and a stress sleeve sleeved outside the top column, at least three positioning assemblies are arranged between the top column and the stress sleeve, when the top column and the stress sleeve move relatively, the positioning assemblies stretch out and draw back along the radial direction of the pipe fitting, when positioning is needed, the top column moves forwards to abut against the front end of the spraying pipe, the stress sleeve continues to extend forwards until the three positioning assemblies cling to the inner wall of the pipe fitting, the positioning mechanisms and the axis of the spraying pipe are positioned to be coincident with the axis of the pipe fitting, when spraying is conducted, the driving structure drives the positioning mechanisms and the spraying pipe to move synchronously until spraying of the pipe fitting is finished, the spraying pipe and the positioning mechanisms are separated, and the positioning assemblies shrink and are drawn out from the inside of the pipe fitting.
Drawings
FIG. 1 is a schematic cross-sectional perspective view of a tube of the present invention; FIG. 2 is a schematic perspective view of a spray tube of the present invention; FIG. 3 is a schematic cross-sectional view of a spray tube of the present invention; FIG. 4 is a perspective view of the positioning mechanism of the present invention; FIG. 5 is a schematic perspective view of the top post of the present invention; in the figure, 1-pipe fitting, 2-spray pipe, 21-rear dust removal channel, 22-feed channel, 23-front dust removal channel, 24-rear dust removal disc, 25-front dust removal disc, 26-conical groove, 27-dust removal gap, 28-electrostatic spray head, 29-dust removal hole, 3-positioning mechanism, 31-stress sleeve, 32-top column, 321-conical protrusion, 322-first mounting flange, 33-first supporting rod, 34-positioning column, 35-thrust spring, 36-second mounting flange and 37-second supporting rod.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
Referring to fig. 1, 2 and 4, the invention provides an electrostatic spraying device for the inner wall of a pipe fitting, which comprises a pipe fitting 1, two three-jaw chucks and a rotating motor, wherein the three-jaw chucks are used for fixing the pipe fitting 1 and driving the pipe fitting 1 to rotate, the rotating motor is matched with the three-jaw chucks, so that the pipe fitting 1 can be driven to rotate while the pipe fitting 1 is clamped, and sufficient space is arranged on the axis of the three-jaw chucks, so that a spraying pipe 2 and a positioning mechanism 3 can penetrate through the chucks and enter the pipe fitting 1 to spray the inner wall of the pipe fitting 1; the spraying pipe 2 penetrating the middle of the two three-jaw chucks and the positioning mechanism 3 for positioning the spraying pipe are matched with the spraying pipe 2 through the positioning mechanism 3, so that when the spraying pipe 2 is used for spraying, the axis of the spraying pipe 2 is overlapped with the axis of the pipe fitting 1, the inner wall of the spraying pipe 2 is sprayed more uniformly, a plurality of electrostatic spray heads 28 perpendicular to the axis of the pipe fitting 1 are arranged at the front end of the spraying pipe 2, dust removing discs are arranged on two sides of each electrostatic spray head 28, when the inner wall of the pipe fitting 1 is sprayed, the pipe fitting 1 rotates, the electrostatic spray heads 28 are used for spraying, and meanwhile, the dust removing discs work to remove dust from materials on two sides of the electrostatic spray heads 28 and paint which is not adhered to the inner wall of the pipe fitting 1 and prevent the paint from being left in the pipe fitting 1 to influence the spraying effect; positioning mechanism 3 include with the fore-set 32 and the cover of terminal surface cooperation joint of spray tube 2 are located the atress cover 31 in the fore-set 32 outside, be equipped with at least three locating component between fore-set 32 and the atress cover 31, when fore-set 32 and atress cover 31 relative movement, locating component along pipe fitting 1 is radial flexible, when needs fix a position, and the fore-set moves forward and withstands the front end of spray tube 2, and atress cover 31 continues the protraction, and the inner wall of pipe fitting 1 is hugged closely to three locating component, with the axis location of positioning mechanism 3 and spray tube 2 to coincide with the axis of pipe fitting 1, when the spraying, drive structure is driving positioning mechanism 3 and spray tube 2 synchronous motion, and until finishing to pipe fitting 1 spraying, spray tube 2 and positioning mechanism 3 separation, the locating component shrink is taken out from pipe fitting 1 is inside.
Referring to fig. 1, 2 and 3, it is preferable that the two dust removing trays of the present invention are a front dust removing tray 25 disposed on one side of the electrostatic nozzle 28 close to the positioning assembly and a rear dust removing tray 24 disposed on the other side of the electrostatic nozzle 28, the inner sides of the two dust removing trays are both provided with a plurality of dust removing holes 29, so as to ensure that when the electrostatic nozzle 28 sprays the inner wall of the pipe 1, the part of the sprayed air column close to the outer side is removed by adsorption, and a dust removing space is disposed inside the dust removing trays, the dust removing holes 29 are communicated with the dust removing space, and the outer peripheral surface of the dust removing trays are both provided with dust removing gaps 27 communicated with the dust removing space, so as to remove the unadhered paint left on the inner wall of the pipe 1 by adsorption inside the dust removing space, and prevent the residual paint from causing uneven spraying on the inner wall of the pipe 1.
In addition, the interior of the spray pipe 2 of the invention is provided with three channels, the three channels are respectively two dust removing channels communicated with dust removing spaces in the two dust removing discs and a feeding channel 22 for feeding the electrostatic spray head 28, the three channels are not communicated with each other, the channel communicated with the dust removing channel in the front dust removing disc 25 is a front dust removing channel 23, the channel communicated with the dust removing channel in the rear dust removing disc 24 is a rear dust removing channel 21, the suction power is provided for the spaces in the front dust removing disc 25 and the rear dust removing disc 24 through a single channel, the adsorption effect of the dust removing discs is optimized, the front end surface of the spray pipe 2 is provided with a conical groove 26, the front end of the top column 32 is provided with a conical protrusion 321 corresponding to the conical groove 26, the conical groove 26 and the conical protrusion 321 are matched with each other to position the top column 32 and the spray pipe 2 in the same axis, the conical groove 26 and the conical protrusion 321 are matched with each other to position the spray pipe 32 in the axis, even if the conical groove 26 and the conical protrusion 321 have certain deviation, the spray pipe 32 and the spray pipe 2 are matched with the axis, and the spray pipe 2 are positioned.
Referring to fig. 1, 4 and 5, further, the outer wall of the top pillar 32 of the present invention is provided with a first mounting flange 322, one end of the stress sleeve 31 adjacent to the first mounting flange 322 is provided with a second mounting flange 36, the positioning assembly includes a first supporting rod 33 with one end hinged to the first mounting flange 322 and a second supporting rod 37 with one end hinged to the second mounting flange 36, the other ends of the first supporting rod 33 and the second supporting rod 37 are hinged to the same positioning pillar 34, the outer side of the positioning pillar 34 is provided with a ball, when the first mounting flange 322 and the second mounting flange 36 approach each other, the first supporting rod 33 and the second supporting rod 37 cooperate to move the positioning pillar 34 away from the top pillar 32; when first mounting flange 322 and second mounting flange 36 keep away from each other, first bracing piece 33 and the cooperation of second bracing piece 37 will reference column 34 is close to support pillar 32 is after fixing the fixed location of spray tube 2 and support pillar 32 at same axis like this, through reference column 34 atress with support pillar 32's axis and the axis location coincidence of pipe fitting 1 to when guaranteeing electrostatic spray head 28 and carrying out the spraying to pipe fitting 1 inner wall, make the more even of pipe fitting 1 inner wall spraying, the outside cover of support pillar 32 is equipped with a thrust spring 35, thrust spring 35 provides will the power that first mounting flange 322 and second mounting flange 36 kept away from each other, after the spraying is accomplished, resets the position of reference column 34 through thrust spring 35, prevents to take positioning mechanism 3 out from the inside of pipe fitting 1.
Preferably, the end of the spraying pipe 2 away from the pipe fitting 1 and the end of the positioning mechanism 3 away from the pipe fitting 1 are both provided with a driving mechanism for controlling the spraying pipe 2 and the positioning mechanism 3 to move along the axis of the pipe fitting 1, and the driving mechanism controls the spraying pipe 2 and the positioning mechanism 3 to move in the pipe fitting 1, so that the comprehensive spraying operation on the interior of the pipe fitting 1 is realized.
In this embodiment, referring to fig. 1 to 5, in the use state, the spray tube 2 and the positioning mechanism 3 are separated from each other and the spray tube 2 and the positioning mechanism 3 are retracted into the central hole of the three-jaw chuck (not shown) under the action of the driving mechanism, when the spraying tube is used, the pipe fitting 1 is first fixed by the three-jaw chuck, then the driving mechanism first drives the spray tube 2 to penetrate into one end of the pipe fitting 1 close to the positioning mechanism 3, at this time, the spray tube 2 does not work, when the spray tube 2 penetrates into the end of the pipe fitting 1, the driving mechanism (not shown) drives the positioning mechanism 3 to move, the force-bearing sleeve 31 drives the ejection column 32 to move, when the conical protrusion 321 at the front end of the ejection column 32 is attached to the conical groove 26 of the spray tube 2, through the cooperation of toper recess 26 and toper arch 321 part, in locating unified axis with fore-set 32 and spray tube 2, then atress cover 31 continues to stretch out the fore-set, until compressing tightly the inner wall of pipe fitting 1 with reference column 34, locate the axis of fore-set 32 with the coincidence of pipe fitting 1 axis this moment under the effect of reference column 34, this moment two actuating mechanism are driving positioning mechanism 3 and spray tube 2 synchronous motion simultaneously, pipe fitting 1 rotates, spray tube 2 spraying, realize spray tube 2 and remove spraying on one side in pipe fitting 1 is inside, guarantee to spray the inside darker position department of pipe fitting 1, adsorb unnecessary coating through the dust removal dish simultaneously, the inside spraying effect of pipe fitting 1 has been optimized.
In summary, the present invention provides an electrostatic spraying device for inner wall of pipe, including: the pipe fitting, the two three-jaw chucks and the rotating motor are used for fixing the pipe fitting and driving the pipe fitting to rotate, the rotating motor is matched with the three-jaw chucks, the pipe fitting can be driven to rotate while the pipe fitting is clamped, sufficient space is formed in the axis of the three-jaw chucks, a spraying pipe and a positioning mechanism can penetrate through the chucks and enter the pipe fitting, and spraying operation is carried out on the inner wall of the pipe fitting; the spraying pipe penetrates through the middle of the two three-jaw chucks and the positioning mechanism is used for positioning the spraying pipe, the positioning mechanism is matched with the spraying pipe, the axis of the spraying pipe is coincident with the axis of the pipe fitting when the spraying pipe is sprayed, the spraying on the inner wall of the spraying pipe is more uniform, a plurality of electrostatic spray heads perpendicular to the axis of the pipe fitting are arranged at the front end of the spraying pipe, dust removing discs are arranged on two sides of each electrostatic spray head, when the inner wall of the pipe fitting is sprayed, the pipe fitting rotates, the electrostatic spray heads perform spraying operation, and meanwhile, the dust removing discs work to remove dust and extract materials on two sides of each electrostatic spray head and paint which is not adhered to the inner wall of the pipe fitting, so that the spraying effect is prevented from being influenced by residual materials in the pipe fitting; the positioning mechanism comprises a top column matched and clamped with the front end face of the spraying pipe and a stress sleeve sleeved outside the top column, at least three positioning assemblies are arranged between the top column and the stress sleeve, when the top column and the stress sleeve move relatively, the positioning assemblies stretch out and draw back along the radial direction of the pipe fitting, when positioning is needed, the top column moves forwards to abut against the front end of the spraying pipe, the stress sleeve continues to extend forwards until the three positioning assemblies cling to the inner wall of the pipe fitting, the positioning mechanisms and the axis of the spraying pipe are positioned to be coincident with the axis of the pipe fitting, when spraying is conducted, the driving structure drives the positioning mechanisms and the spraying pipe to move synchronously until spraying of the pipe fitting is finished, the spraying pipe and the positioning mechanisms are separated, and the positioning assemblies shrink and are drawn out from the inside of the pipe fitting.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience in describing the present invention and for simplicity in description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate a number of the indicated technical features. Thus, a feature defined as "first," "second," etc. 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 otherwise specified.
Claims (8)
1. An electrostatic spraying device for the inner wall of a pipe fitting, which is characterized by comprising:
the pipe fitting is fixed, and the two three-jaw chucks and the rotating motor are used for driving the pipe fitting to rotate;
the spraying pipe penetrates through the middle of the two three-jaw chucks, and the positioning mechanism is used for positioning the spraying pipe;
positioning mechanism include with the fore-end face cooperation joint of spray tube the fore-end face cooperation joint with the cover locate the atress cover in the fore-end outside, be equipped with at least three locating component between fore-end and the atress cover, when fore-end and atress cover relative movement, locating component along the pipe fitting is radially flexible.
2. The electrostatic spraying device for the inner wall of the pipe fitting as claimed in claim 1, wherein the inner side surfaces of the two dust removing discs are provided with a plurality of dust removing holes, the dust removing discs are internally provided with dust removing spaces, the dust removing holes are communicated with the dust removing spaces, and the outer peripheral surfaces of the dust removing discs are provided with dust removing gaps communicated with the dust removing spaces.
3. The electrostatic spraying device for the inner wall of a pipe fitting as claimed in claim 2, wherein the spraying pipe is provided with three passages inside, the three passages are respectively two dust removing passages communicated with the dust removing spaces inside the two dust removing discs and a feeding passage for feeding the electrostatic spraying head, and the three passages are not communicated with each other.
4. The electrostatic spraying device for the inner wall of the pipe fitting as claimed in claim 1, wherein a tapered groove is formed in the front end face of the spraying pipe, a tapered protrusion corresponding to the tapered groove is formed in the front end of the top pillar, and the tapered groove and the tapered protrusion are matched with each other to position the top pillar and the spraying pipe on the same axis.
5. The electrostatic spraying device for the inner wall of a pipe fitting as claimed in claim 4, wherein the outer wall of the top post is provided with a first mounting flange, one end of the force-bearing sleeve adjacent to the first mounting flange is provided with a second mounting flange, the positioning assembly comprises a first supporting rod hinged to the first mounting flange at one end and a second supporting rod hinged to the second mounting flange at one end, the other ends of the first supporting rod and the second supporting rod are hinged to the same positioning post, and a ball is arranged on the outer side of the positioning post.
6. The electrostatic spraying device for the inner wall of a pipe fitting as claimed in claim 5, wherein when the first mounting flange and the second mounting flange are close to each other, the first support bar and the second support bar cooperate to move the positioning post away from the top post; when the first mounting flange and the second mounting flange are far away from each other, the first supporting rod and the second supporting rod are matched to enable the positioning column to be close to the top column.
7. The electrostatic spraying apparatus for inner wall of pipe member as claimed in claim 6, wherein said top post is externally sleeved with a thrust spring, said thrust spring providing a force to move said first and second mounting flanges away from each other.
8. The electrostatic spraying device for the inner wall of the pipe fitting as claimed in claim 1, wherein the end of the spraying pipe far away from the pipe fitting and the end of the positioning mechanism far away from the pipe fitting are both provided with driving mechanisms for controlling the spraying pipe and the positioning mechanism to move along the axis of the pipe fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211257128.7A CN115318473B (en) | 2022-10-14 | 2022-10-14 | Electrostatic spraying device for inner wall of pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211257128.7A CN115318473B (en) | 2022-10-14 | 2022-10-14 | Electrostatic spraying device for inner wall of pipe fitting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115318473A true CN115318473A (en) | 2022-11-11 |
| CN115318473B CN115318473B (en) | 2023-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211257128.7A Active CN115318473B (en) | 2022-10-14 | 2022-10-14 | Electrostatic spraying device for inner wall of pipe fitting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117463591A (en) * | 2023-12-27 | 2024-01-30 | 苏州希盟科技股份有限公司 | Preparation method and preparation device of tubular device inner wall film |
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| CN216857134U (en) * | 2021-12-02 | 2022-07-01 | 中建八局第一建设有限公司 | Automatic device of applying paint with a brush of pipeline inside wall |
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2022
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|---|---|---|---|---|
| GB850520A (en) * | 1956-06-29 | 1960-10-05 | Gen Descaling Co Ltd | Method and apparatus for coating the interior of pipes |
| US4774905A (en) * | 1985-08-08 | 1988-10-04 | Hermann Hanschen | Apparatus for internally coating pipes |
| CN203664120U (en) * | 2014-01-24 | 2014-06-25 | 中国石化集团胜利石油管理局海上石油工程技术检验中心 | In-pipe anti-corrosion coating sprayer with guide mechanism |
| CN207533502U (en) * | 2017-07-07 | 2018-06-26 | 安徽康瑞高科新材料技术工程有限公司 | A kind of pipeline corrosion protection spray equipment |
| CN208661579U (en) * | 2018-04-16 | 2019-03-29 | 淮安智品企业管理有限公司 | A kind of gas collector and delivery pipe corrosion inhibiter coating device |
| CN214917425U (en) * | 2021-05-26 | 2021-11-30 | 洛阳拓图工贸有限公司 | Thermal spraying following type dust suction device |
| CN113680585A (en) * | 2021-10-27 | 2021-11-23 | 江苏鑫涂机械有限公司 | Pipeline inner wall spraying device with detection and compensation functions |
| CN216857134U (en) * | 2021-12-02 | 2022-07-01 | 中建八局第一建设有限公司 | Automatic device of applying paint with a brush of pipeline inside wall |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117463591A (en) * | 2023-12-27 | 2024-01-30 | 苏州希盟科技股份有限公司 | Preparation method and preparation device of tubular device inner wall film |
| CN117463591B (en) * | 2023-12-27 | 2024-04-05 | 苏州希盟科技股份有限公司 | Preparation method and preparation device of tubular device inner wall film |
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