CN118663473B - 3D prints spraying device - Google Patents
3D prints spraying device Download PDFInfo
- Publication number
- CN118663473B CN118663473B CN202411151004.XA CN202411151004A CN118663473B CN 118663473 B CN118663473 B CN 118663473B CN 202411151004 A CN202411151004 A CN 202411151004A CN 118663473 B CN118663473 B CN 118663473B
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- workpiece
- paint
- spraying
- ring
- ring cover
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
- G01B5/066—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness of coating
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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
- B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
- B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
- B05B13/0228—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the movement of the objects being rotative
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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
-
- 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
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
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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
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
The invention relates to the technical field of 3D printing workpiece paint spraying, in particular to a 3D printing spraying device which comprises a spray gun and a transmission assembly, wherein a workpiece spraying assisting mechanism arranged on the spray gun, two protection mechanisms arranged on two sides of the workpiece spraying assisting mechanism and a workpiece clamping mechanism arranged in the protection mechanisms are arranged on one protection mechanism. Through setting up sealed work piece at the spout position of spray gun and helping spouting mechanism, after the position that the work piece needs to spray paint is located work piece and helps spouting mechanism inside, help the commentaries on classics subassembly and can drive the work piece and carry out the circumference along the spout of spray gun and rotate, the work piece that is in sealed environment this moment can obtain comprehensive spraying, during this period, carry out the spot check of timing to the work piece through work piece fixture, after the position that the work piece sprays paint passes through the detection of wet mould rule and accords with prescribed thickness, alright take out the work piece to ensure that work piece sprays paint thickness can obtain the spraying of well-defined level.
Description
Technical Field
The invention relates to the technical field of paint spraying of 3D printing workpieces, in particular to a 3D printing and spraying device.
Background
The 3D printing is also called additive manufacturing and lamination manufacturing, which is a technology for constructing an object by using powdery metal or plastic and other bondable materials based on a digital model file in a layer-by-layer printing mode, and the manufactured workpiece also needs to be subjected to a spraying process so as to achieve the most perfect texture of the workpiece.
At present, when a workpiece manufactured by 3D printing is subjected to a spraying process, the workpiece is mainly divided into manual coloring, paint spraying coloring, dip dyeing coloring, electroplating coloring and nano spraying plating, wherein the paint spraying coloring process is the one with the lowest cost and highest efficiency, and meanwhile, the thickness of paint spraying determines the whole layering sense and aesthetic feeling of the workpiece, but the paint thickness of the surface of the workpiece cannot be measured in time by the paint spraying mode.
In view of the above, a 3D printing and spraying device is designed for this purpose to solve the above problems.
Disclosure of Invention
The present invention aims to solve one of the technical problems existing in the prior art or related technologies.
The technical scheme adopted by the invention is as follows:
the 3D printing and spraying device comprises a spray gun, a transmission assembly, a workpiece spraying assisting mechanism, two protection mechanisms and a workpiece clamping mechanism, wherein the workpiece spraying assisting mechanism is arranged on the spray gun;
the workpiece spraying assisting mechanism comprises a ring cover, a cleaning liquid pipeline arranged on the ring cover, a sewage discharging end arranged at the bottom of the ring cover and a rotation assisting assembly arranged in the ring cover;
the spray head of the spray gun penetrates through the inner cavity of the ring cover and is used for spraying paint on a workpiece;
The protection mechanism comprises two outer bins which are arranged at two ends of the ring cover, a rectangular sleeve is arranged at the top of each outer bin, and a wet die gauge for measuring the thickness of paint is movably arranged in each rectangular sleeve;
the transmission assembly is used for transmitting the rotation-assisting assembly and providing circumferential rotation-assisting kinetic energy for the workpiece;
The workpiece clamping mechanism comprises a sealing cover arranged at the outer end of the outer bin, a slideway inclining around is arranged at the inner end of the sealing cover, and a sliding block and a fastening blade plate arranged outside the sliding block are arranged in the slideway.
The present invention may be further configured in a preferred example to: the workpiece spraying assisting mechanism further comprises two groups of shaft clamps fixedly arranged at the top of the ring cover, two jackets arranged in the notch at the outer part of the ring cover, a sealing gasket arranged at one end of the inner side of the jackets and a paint blocking gasket arranged at the other end of the inner side of the jackets;
The paint blocking pad and the sealing pad are both made of rubber materials;
The sheath is made of stainless steel materials.
The present invention may be further configured in a preferred example to: the rotation-assisting assembly comprises two protection backing rings, a ring gear arranged outside the protection backing rings, a baffle plate arranged on the inner side of the protection backing rings and brush rolls movably arranged in the two adjacent baffle plates;
The outer part of the ring gear is provided with ring teeth, and one side of the ring gear, which is far away from the ring cover, is provided with an annular bulge;
The brush roller consists of a beam rod and a cotton roller.
The present invention may be further configured in a preferred example to: protruding fender material ring has all been seted up to the inner wall at ring cover both ends, the recess that is adapted to fender material ring is seted up to the bottom of baffle.
The present invention may be further configured in a preferred example to: the protection mechanism further comprises a clamping seat fixedly arranged at the outer end of the outer bin, a snap fastener movably arranged in the clamping seat and a spring connected in a groove in the snap fastener, and the other end of the spring is fixed on the outer bin;
the inner end of the outer bin is provided with an annular groove which is concave inwards, and the annular bulge is matched and penetrated into the annular groove.
The present invention may be further configured in a preferred example to: the protection mechanism further comprises four positioning pieces;
The locating piece is of a U-shaped structure as a whole, and fastening bolts are arranged in two end plates at two ends of the locating piece.
The present invention may be further configured in a preferred example to: the transmission assembly further comprises two groups of motor clamps, motors arranged in the two groups of motor clamps, a shaft rod arranged on a transmission shaft in the motors and two gear discs arranged on the shaft rod.
The present invention may be further configured in a preferred example to: the gear disk is adapted to engage with the ring teeth on the outside of the ring gear.
The present invention may be further configured in a preferred example to: the workpiece clamping mechanism further comprises a base plate, a limiting piece and a pressure spring, wherein the base plate is installed at the inner end of the sealing cover and is adaptively clamped on the sliding block, the limiting piece is installed in the sliding way, the pressure spring is arranged outside the limiting piece, and the limiting piece is adaptively penetrated into the sliding block.
The present invention may be further configured in a preferred example to: the fastening blade plate is made of thickened plastic, and the inside of the fastening blade plate is provided with liquid-repellent notches which are uniformly distributed.
By adopting the technical scheme, the beneficial effects obtained by the invention are as follows:
1. According to the invention, the sealed workpiece spraying assisting mechanism is arranged at the nozzle part of the spray gun, when the part of the workpiece to be sprayed is positioned in the workpiece spraying assisting mechanism, the workpiece is driven by the rotation assisting assembly to rotate circumferentially along the nozzle of the spray gun, the workpiece in the sealed environment can be comprehensively sprayed, during the period, the workpiece is subjected to timing spot inspection through the workpiece clamping mechanism, and when the sprayed part of the workpiece is detected by the wet mold and accords with the specified thickness, the workpiece can be taken out, so that the sprayed thickness of the workpiece can be ensured to be sprayed in a distinct layer.
2. According to the invention, the rotation-assisting assembly is arranged in the annular cover, and after the rotation-assisting assembly is driven, the brush roller rotates along the inner wall of the annular cover, so that the rotation of the brush roller can prevent suspended paint liquid from repeatedly dripping on the surface of a workpiece during the process of spraying paint on the workpiece, and can be matched with a subsequent cleaning liquid to clean the interior of the annular cover, so that the subsequent paint spraying treatment of the workpiece is not interfered.
Drawings
FIG. 1 is a schematic illustration of the present invention in use;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is a schematic view of the guard mechanism and transmission assembly of the present invention;
FIG. 4 is a dispersion schematic of the guard mechanism of the present invention;
FIG. 5 is an enlarged schematic view of the invention at A in FIG. 4;
FIG. 6 is a partially exploded view of the work holding mechanism of the present invention;
FIG. 7 is an enlarged schematic view of the present invention at B in FIG. 6;
FIG. 8 is a schematic diagram of a workpiece spraying-assist mechanism according to the present invention;
FIG. 9 is a dispersion schematic of the workpiece assist mechanism of the present invention;
FIG. 10 is a dispersion schematic of the rotation-aiding assembly of the present invention.
Reference numerals:
100. A workpiece spraying assisting mechanism; 110. a ring cover; 120. a shaft clamp; 130. a sheath; 140. a paint blocking pad; 150. a sealing gasket; 160. a cleaning liquid pipeline; 170. a sewage discharge end; 180. a rotation-assisting assembly; 181. a protective backing ring; 182. a ring gear; 183. a partition plate; 184. a brush roller;
200. A spray gun;
300. A protective mechanism; 310. an outer bin; 320. a wet mold gauge; 330. a clamping seat; 340. a snap fastener; 350. a spring; 360. a positioning piece;
400. A transmission assembly; 410. a motor clamp; 420. a motor; 430. a shaft lever; 440. a gear plate;
500. A workpiece clamping mechanism; 510. sealing cover; 520. a backing plate; 530. a limiting piece; 540. a pressure spring; 550. a slide block; 560. fastening the blade.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present invention and features in the embodiments may be combined with each other.
It is to be understood that this description is merely exemplary in nature and is not intended to limit the scope of the present invention.
A 3D printing and spraying device according to some embodiments of the present invention is described below with reference to the accompanying drawings.
Example 1:
referring to fig. 1 to 10, the 3D printing and spraying device provided by the invention comprises a spray gun 200 and a transmission assembly 400, a workpiece spraying assisting mechanism 100 installed on the spray gun 200, two protection mechanisms 300 arranged at two sides of the workpiece spraying assisting mechanism 100, and a workpiece clamping mechanism 500 installed in the protection mechanisms 300, wherein the transmission assembly 400 is installed on one of the protection mechanisms 300.
The workpiece spraying assisting mechanism 100 comprises a ring cover 110, a shaft clamp 120, a sheath 130, a paint blocking pad 140, a sealing pad 150, a cleaning fluid pipeline 160, a sewage draining end 170 and a rotation assisting component 180, the rotation assisting component 180 further comprises a protection backing ring 181, a ring gear 182, a baffle 183 and a brush roll 184, the protection mechanism 300 comprises an outer bin 310, a wet mold 320, a clamping seat 330, a snap fastener 340, a spring 350 and a positioning piece 360, the transmission component 400 comprises a motor clamp 410, a motor 420, a shaft lever 430 and two gear discs 440, and the workpiece clamping mechanism 500 comprises a sealing cover 510, a backing plate 520, a limiting piece 530, a pressure spring 540, a sliding block 550 and a fastening blade 560.
The workpiece spraying assisting mechanism 100 comprises a ring cover 110, a cleaning liquid pipeline 160 arranged on the ring cover 110, a sewage draining end 170 arranged at the bottom of the ring cover 110 and a rotation assisting assembly 180 arranged in the ring cover 110;
The spray head of the spray gun 200 penetrates through the inner cavity of the ring cover 110 and is used for spraying paint on a workpiece;
The protection mechanism 300 comprises two outer bins 310 arranged at two ends of the ring cover 110, a rectangular sleeve is arranged at the top of the outer bins 310, and a wet mold gauge 320 for measuring the thickness of paint is movably arranged in the rectangular sleeve;
the transmission assembly 400 is used for transmitting the rotation-assisting assembly 180 to provide circumferential rotation-assisting kinetic energy for the workpiece;
the workpiece clamping mechanism 500 comprises a sealing cover 510 arranged at the outer end of the outer bin 310, wherein a slideway inclining around is arranged at the inner end of the sealing cover 510, and a sliding block 550 and a fastening blade 560 arranged outside the sliding block 550 are arranged in the slideway.
Because the existing 3D workpiece is required to be subjected to paint spraying treatment after being manufactured, when the workpiece adopts a handheld spray gun or an automatic spray gun to carry out paint spraying operation, the paint thickness on the surface of the workpiece is difficult to detect in real time, the circumferential spraying of the workpiece and the layering of the paint thickness cannot be distinguished, so that the aesthetic feeling of the workpiece after the spraying is not clear enough, and the consumption of the paint is large.
Before the device is used, one of the sealing covers 510 needs to be stretched outwards until the four fastening blades 560 are withdrawn from the inner cavity of the outer bin 310, then the workpiece to be painted is placed on the inner side of the four fastening blades 560, after one end of the workpiece is clamped, the sealing cover 510 and the four fastening blades 560 can be reinserted into the inner cavity of the outer bin 310 until the exposed end of the workpiece is immersed into the inner cavity of the ring cover 110, at this moment, the workpiece can be suspended in the center of the inner cavity of the ring cover 110, after the paint is pumped into and sprayed towards the inner cavity of the ring cover 110 by the spray gun 200, the workpiece suspended along the center of the inner cavity of the ring cover 110 can be painted, along with the starting of the motor 420, the internal transmission shaft of the workpiece drives the shaft lever 430 and the two gear discs 440, the two ring gears 182 can be synchronously rotated, the workpiece can be synchronously rotated by the two protection backing rings 181, the four elastic shrinkage fastening blades 560 can not interfere with the rotation of the workpiece, and meanwhile, a large amount of paint waste is avoided, meanwhile, the paint accumulated on the inner wall of the ring cover 110 can be scraped by the brush roller 184 driven by the two protection backing rings 181, the paint accumulated on the inner wall of the ring cover 110 can not interfere with the paint spraying of the workpiece, and when the workpiece is taken out, after the cleaning liquid is sprayed to the inner cavity of the ring cover 110 from the cleaning liquid pipeline 160, the inner wall of the ring cover 110 can be cleaned by the continuously rotated brush roller 184, so that a clean environment can be provided for the subsequent workpiece.
Example 2:
referring to fig. 8-10, in addition to the first embodiment, the workpiece spraying assisting mechanism 100 further includes two sets of shaft clamps 120 fixedly installed on the top of the ring cover 110, two jackets 130 installed in the outer slots of the ring cover 110, a sealing gasket 150 installed at one end inside the jackets 130, and a paint blocking gasket 140 installed at the other end inside the jackets 130;
both the paint barrier pad 140 and the gasket 150 are made of rubber material;
the sheath 130 is made of stainless steel material;
The rotation-assisting assembly 180 comprises two protection backing rings 181, a ring gear 182 arranged outside the protection backing rings 181, a baffle 183 arranged on the inner side of the protection backing rings 181 and brush rolls 184 movably arranged in the adjacent two baffles 183;
the outside of the ring gear 182 is provided with ring teeth, and one side of the ring gear 182 far away from the ring cover 110 is provided with a ring-shaped bulge;
the brush roll 184 is composed of a beam and a cotton roll;
The inner walls of the two ends of the ring cover 110 are provided with raised material blocking rings, and the bottom of the partition 183 is provided with grooves adapted to the material blocking rings.
The two ring gears 182 are respectively and fixedly installed outside the two protection backing rings 181 by bolts, at this time, the two protection backing rings 181 are attached to the inner walls at two ends of the ring cover 110, after the two ring gears 182 are synchronously driven, the two protection backing rings 181 can drive the partition plates 183 and the brush roller 184 to rotate at a constant speed, at this time, the two partition plates 183 are attached to the two material blocking rings at two positions of the inner wall of the ring cover 110 to rotate, and meanwhile, the inner cavity of the ring cover 110 is prevented from being blocked by paint, and the scraped paint enters the blowdown end 170 and finally is emptied outwards from the blowdown end 170.
Example 3:
referring to fig. 3-7, in addition to the first embodiment, the protection mechanism 300 further includes four positioning members 360, a holder 330 fixedly installed at the outer end of the outer bin 310, a snap fastener 340 movably installed in the holder 330, and a spring 350 connected in a groove inside the snap fastener 340, and the other end of the spring 350 is fixed on the outer bin 310;
The inner end of the outer bin 310 is provided with an annular groove which is concave inwards, and the annular bulge is matched and penetrated into the annular groove;
The positioning piece 360 is of a U-shaped structure as a whole, and fastening bolts are arranged in two end plates at two ends of the positioning piece 360;
The workpiece clamping mechanism 500 further comprises a backing plate 520 installed at the inner end of the sealing cover 510 and adapted to clamp the sliding block 550, a limiting piece 530 installed in the slideway, and a pressure spring 540 arranged outside the limiting piece 530, wherein the limiting piece 530 is adapted to penetrate into the sliding block 550;
the fastening blade 560 is made of thickened plastic, and the inside of the fastening blade 560 is provided with liquid-repellent notches which are uniformly distributed.
The rectangular sleeve is arranged at the top of the outer bin 310, the pre-tightening bolt is movably arranged in the column head at one side of the rectangular sleeve, then the height of the wet die gauge 320 extending into the inner cavity of the outer bin 310 is adjusted, the pre-tightening bolt is rotated until the wet die gauge 320 is fixed, at the moment, the end of the wet die gauge 320 penetrating into the inner cavity of the outer bin 310 can be attached to the surface of a workpiece, when the clamped workpiece rotates centrally and is sprayed by the straight surface of the spray gun 200, the rotating workpiece can obtain sprayed paint, and the thickness of the paint can be detected in real time by utilizing the wet die gauge 320 after distance adjustment, so that the paint can be sprayed on the workpiece in layers.
Example 4:
Referring to fig. 3-10, in accordance with a first embodiment, a drive assembly 400 includes two sets of motor clamps 410 mounted to one of the outer bins 310, a motor 420 mounted within the two sets of motor clamps 410, a shaft 430 mounted on a drive shaft within the motor 420, and two gear hubs 440 mounted on the shaft 430.
Gear plate 440 is adapted to engage ring teeth on the exterior of ring gear 182;
by fixedly mounting two sets of motor clamps 410 on the top of one of the outer bins 310, fixedly mounting the motor 420 in the two sets of motor clamps 410, and providing stable supporting force for the shaft rod 430 by using the two sets of shaft clamps 120, when the motor 420 is started, the internal transmission shaft drives the shaft rod 430, and then the two driven gear plates 440 can simultaneously drive the two ring gears 182, and at the moment, the brush roller 184 with bidirectional pressure can carry out pressurizing scraping on the paint, so that the cleaning efficiency of the paint accumulated on the inner wall of the ring cover 110 is improved.
The working principle and the using flow of the invention are as follows: the two baffles 183 are respectively and fixedly mounted on the two protection backing rings 181 by bolts, the brush roller 184 is movably mounted in the two adjacent baffles 183, at this time, the brush roller 184 is attached to the inner wall of the ring cover 110, the cleaning liquid pipeline 160 is externally connected with a water pipe, the water pipe under the painting operation is in a closed state, the two groups of shaft clamps 120 fixedly mounted on the top of the ring cover 110 provide stable bearing force for the shaft lever 430, the protection backing rings 181 are mounted on the ring gear 182 by bolts, the protection backing rings 181 are adapted to be attached to the inner wall of the ring cover 110, at this time, the two groups of rotation-assisting assemblies 180 symmetrically distributed along the two ends of the ring cover 110 can be engaged and driven by the two gear plates 440, the spray heads of the spray gun 200 penetrate into the inner cavities of the two jackets 130, the two paint-blocking pads 140 and the two sealing pads 150 respectively mounted in the two jackets 130 can clamp the outer wall of the spray gun 200, at this time, the spray pipe of the spray gun 200 is separated from the inner cavity of the ring cover 110, when the spray pipe at the bottom of the spray gun 200 sucks paint, and under the pressurization of the air pipe at the outer end of the spray gun 200, the spray nozzle of the spray gun 200 penetrating into the inner cavity of the ring cover 110 can spray paint on the workpiece positioned in the middle of the two protection backing rings 181, when the motor 420 is started and operated, the internal transmission shaft drives the shaft lever 430 to rotate, the two gear plates 440 simultaneously drive the two ring gears 182 to be positioned on the workpiece positioned on the inner sides of the two protection backing rings 181, after the part of the workpiece to be sprayed is fully sprayed, the two snap fasteners 340 are pressed, one of the sealing covers 510 is stretched outwards, so that the restriction of the four fastening blades 560 on the workpiece is obtained, and as the fastening blades 560 are pulled out from the inner cavity of the outer bin 310, the wet mold 320 restricted in the rectangular sleeve at the top of the outer bin 310 by bolts can be attached to the surface of the workpiece, when the workpiece paint spraying position passes through the bottom end of the wet die gauge 320, the wet die gauge 320 which is positioned at the height is used for measuring the thickness of paint at the workpiece paint spraying position, and the four uniformly distributed fastening blades 560 are in an elastic supporting state, when the workpiece is rotated by the two protection backing rings 181, the plurality of fastening blades 560 arranged at the two ends of the workpiece can provide centering leveling for the rotation of the workpiece, and at the moment, the workpiece paint spraying position can be not blocked, and meanwhile, the sampling inspection observation of the workpiece paint spraying thickness can be facilitated;
When the device sprays paint, can utilize the water pipe to pour into the cleaning solution into the ring cover 110 inner chamber into, two rotatory protection backing rings 181 just cooperate two baffles 183 and a brush roll 184 simultaneously and carry out the round brush along ring cover 110 inner wall, and the washing of cleaning solution is cooperated, and the paint layer of quilt round brush alright be cleaned before not doing, and the brush roll 184 that rotates during the simultaneous work piece sprays paint can avoid hanging the paint droplet to fall to the surface of work piece again simultaneously.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (5)
1. The 3D printing and spraying device comprises a spray gun (200) and a transmission assembly (400), and is characterized by further comprising a workpiece spraying assisting mechanism (100) arranged on the spray gun (200), two protection mechanisms (300) arranged on two sides of the workpiece spraying assisting mechanism (100) and a workpiece clamping mechanism (500) arranged in the protection mechanisms (300), wherein the transmission assembly (400) is arranged on one of the protection mechanisms (300);
the workpiece spraying assisting mechanism (100) comprises a ring cover (110), a cleaning liquid pipeline (160) arranged on the ring cover (110), a sewage draining end (170) arranged at the bottom of the ring cover (110) and a rotation assisting assembly (180) arranged in the ring cover (110);
The rotation-assisting assembly (180) comprises two protection backing rings (181), a ring gear (182) arranged outside the protection backing rings (181), a baffle plate (183) arranged on the inner side of the protection backing rings (181) and brush rollers (184) movably arranged in the two adjacent baffle plates (183);
The outside of the ring gear (182) is provided with ring teeth, and one side of the ring gear (182) far away from the ring cover (110) is provided with a ring-shaped bulge;
The brush roller (184) is composed of a beam rod and a cotton roller, the inner walls of the two ends of the ring cover (110) are provided with raised material blocking rings, and the bottom of the baffle plate (183) is provided with a groove adapted to the material blocking rings;
The spray head of the spray gun (200) penetrates through the inner cavity of the ring cover (110) and is used for spraying paint on a workpiece;
the protection mechanism (300) comprises two outer cabins (310) arranged at two ends of the ring cover (110), a clamping seat (330) fixedly arranged at the outer end of the outer cabins (310), a snap fastener (340) movably arranged in the clamping seat (330) and a spring (350) connected in a groove in the snap fastener (340), and the other end of the spring (350) is fixed on the outer cabins (310);
an annular groove which is concave inwards is formed in the inner end of the outer bin (310), the annular protrusion is adapted to penetrate into the annular groove, a rectangular sleeve is formed at the top of the outer bin (310), and a wet die gauge (320) for measuring the thickness of paint is movably mounted in the rectangular sleeve;
The transmission assembly (400) is used for transmitting the rotation-assisting assembly (180) to provide circumferential rotation-assisting kinetic energy for the workpiece;
the transmission assembly (400) further comprises two groups of motor clamps (410), a motor (420) arranged in the two groups of motor clamps (410), a shaft lever (430) arranged on a transmission shaft in the motor (420) and two gear discs (440) arranged on the shaft lever (430);
The gear disk (440) is adapted to engage with a ring gear external to the ring gear (182);
The workpiece clamping mechanism (500) comprises a sealing cover (510) arranged at the outer end of the outer bin (310), wherein a slide way inclining around is arranged at the inner end of the sealing cover (510), and a sliding block (550) and a fastening blade plate (560) arranged outside the sliding block (550) are arranged in the slide way;
One of the sealing covers (510) is stretched outwards until the four fastening blades (560) are withdrawn from the inner cavity of the outer bin (310), then a workpiece to be sprayed is placed on the inner sides of the four fastening blades (560), after one end of the workpiece is clamped, the sealing cover (510) and the four fastening blades (560) can be reinserted into the inner cavity of the outer bin (310) until the exposed end of the workpiece is immersed into the inner cavity of the ring cover (110), at the moment, the workpiece can be suspended in the central position of the inner cavity of the ring cover (110), after paint is pumped into and sprayed towards the inner cavity of the ring cover (110) by the spray gun (200), the workpiece suspended along the central position of the inner cavity of the ring cover (110) can be sprayed, along with the starting of the motor (420), the internal transmission shaft of the workpiece can drive the shaft lever (430) and the two gear plates (440), and the two ring gears (182) can be synchronously rotated, and at the moment, the workpiece can be centered and rotated by the two protective backing rings (181);
The two ring gears (182) are respectively and fixedly arranged outside the two protection backing rings (181) by bolts, at the moment, the two protection backing rings (181) are attached to the inner walls at the two ends of the ring cover (110), after the two ring gears (182) are synchronously driven, the two protection backing rings (181) can drive the partition plates (183) and the brush roller (184) to rotate at a constant speed, at the moment, the two partition plates (183) are attached to the two material blocking rings at the two positions of the inner wall of the ring cover (110) to rotate, and meanwhile, the blocking of the inner cavity of the ring cover (110) caused by paint can be avoided, and the scraped paint can enter the blowdown end (170) and finally is discharged outwards from the blowdown end (170);
A rectangular sleeve is arranged at the top of the outer bin (310), a pre-tightening bolt is movably arranged in a column head at one side of the rectangular sleeve, then the height of the wet die gauge (320) extending into the inner cavity of the outer bin (310) is adjusted, and the pre-tightening bolt is rotated until the wet die gauge (320) is fixed;
After the part to be painted of the workpiece is comprehensively sprayed, the two snap fasteners (340) are pressed, one of the sealing covers (510) is outwards stretched, the restriction of the four fastening blades (560) to the workpiece is obtained, along with the drawing-off of the fastening blades (560) from the inner cavity of the outer bin (310), the wet die gauge (320) restrained in the rectangular sleeve at the top of the outer bin (310) by the bolts can be attached to the surface of the workpiece, and after the paint spraying part of the workpiece passes through the bottom end of the wet die gauge (320), the thickness of paint at the paint spraying part of the workpiece can be measured by the wet die gauge (320) which is positioned at the height.
2. The 3D printing and spraying device according to claim 1, wherein the workpiece spraying assisting mechanism (100) further comprises two groups of shaft clamps (120) fixedly installed on the top of the ring cover (110), two jackets (130) installed in the external notch of the ring cover (110), a sealing gasket (150) installed at one end inside the jackets (130) and a paint blocking gasket (140) installed at the other end inside the jackets (130);
the paint blocking pad (140) and the sealing pad (150) are both made of rubber materials;
the sheath (130) is made of a stainless steel material.
3. A 3D printing and spraying device according to claim 1, characterized in that the protection mechanism (300) further comprises four positioning members (360);
The locating piece (360) is of a U-shaped structure as a whole, and fastening bolts are arranged in two end plates at two ends of the locating piece (360).
4. The 3D printing and spraying device according to claim 1, wherein the workpiece clamping mechanism (500) further comprises a backing plate (520) installed at the inner end of the sealing cover (510) and adapted to be clamped to the sliding block (550), a limiting piece (530) installed in the slideway, and a pressure spring (540) arranged outside the limiting piece (530), and the limiting piece (530) is adapted to penetrate into the sliding block (550).
5. The 3D printing and spraying device according to claim 1, wherein the fastening blade (560) is made of thickened plastic, and the fastening blade (560) is internally provided with uniformly distributed lyophobic notches.
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| CN101518774B (en) * | 2009-03-13 | 2012-11-21 | 刘希文 | Method and device for coating and curing ultraviolet curing coating |
| CN109453921B (en) * | 2019-01-25 | 2019-08-27 | 陈益童 | A spraying equipment and spraying process for cylindrical parts |
| CN210935524U (en) * | 2019-09-09 | 2020-07-07 | 天津市三木泵业有限公司 | Paint spraying device for emulsion explosive feeding pump |
| CN210404895U (en) * | 2019-10-12 | 2020-04-24 | 常州铭仁三维科技有限公司 | 3D printing motor base |
| CN111036449B (en) * | 2019-12-27 | 2021-04-09 | 刘荣华 | Energy-concerving and environment-protective type building material surface paint spraying apparatus |
| CN113000252B (en) * | 2021-02-22 | 2022-09-23 | 诸暨凯昂科技有限公司 | Machining device capable of rotationally painting |
| CN216857071U (en) * | 2021-10-28 | 2022-07-01 | 广州泽亨实业有限公司 | Spraying device |
| CN114700203B (en) * | 2022-04-09 | 2023-09-12 | 山东长青金属表面工程有限公司 | Spraying device and spraying method for high-strength metal coating produced and processed |
| CN116984147B (en) * | 2023-09-28 | 2024-02-02 | 江苏友孚汽车部件科技有限公司 | Automobile plastic part coating equipment |
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| CN112108307A (en) * | 2020-08-26 | 2020-12-22 | 衡阳市无量雕塑艺术有限公司 | A colored drawing clear lacquer spraying equipment for wooden sculpture |
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