CN113856962B

CN113856962B - Numerical control automatic spraying equipment

Info

Publication number: CN113856962B
Application number: CN202111324114.8A
Authority: CN
Inventors: 周丽科; 冯雅
Original assignee: Dongguan Irino Technology Co ltd
Current assignee: Dongguan Irino Technology Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-12-16
Anticipated expiration: 2041-11-10
Also published as: CN113856962A

Abstract

The invention discloses numerical control automatic spraying equipment, which comprises wire winders, cables and a coating mechanism, wherein the wire winders are respectively supported below two mounting plates; the coating mechanism comprises a plurality of comprehensive pipes which surround the outer side of the pressure-bearing section and are mutually connected, a plurality of spraying components which are detachably arranged on the comprehensive pipes, a threaded column for connecting the comprehensive pipes, and a wire roller which is rotatably connected with the threaded column; a flow passage is arranged in the comprehensive pipe; a feed inlet is formed in the flow channel; one side of the flow channel, which is close to the pressure-bearing section, is provided with a switch opening and a communication opening; the switch opening and the communication opening are separated by a baffle; and a T-shaped groove is formed outside the communication port. The method can be used on a construction site, is convenient to operate and good in process effect, and the obtained pattern layer is uniform and complete.

Description

Numerical control automatic spraying equipment

Technical Field

The invention belongs to the field of steel structure machining, and particularly relates to numerical control automatic spraying equipment.

Background

The steel structure has the advantages of light weight, high strength, convenient construction, good ductility and shock resistance and the like, is increasingly widely used in the building industry, and particularly shows strong vitality in the aspects of super high-rise and large-span buildings and the like. However, steel structures are very refractory and very thermally conductive, and their mechanical strength is almost completely lost at self-temperatures exceeding 540 ℃. A plurality of steel structure buildings at home and abroad have fire cases, and the steel structure buildings can be burnt and collapsed within 20 minutes after the fire occurs. Therefore, the fire prevention problem of the steel structure building is well concerned by people in the world; the steel structure surface is coated or sprayed with fireproof materials, so that the fireproof and heat-insulation effects can be achieved, and the steel structure can be prevented from being rapidly heated in a fire disaster to reduce the strength, so that the steel structure surface is an important steel structure fireproof protection measure at present.

In the steel structure building of China, the using amount of I-steel is huge, the I-steel generally consists of a third spring 7 and a pressure-bearing section 8, and besides the outgoing fireproof and heat-resistant treatment, the I-steel often needs to be manually sprayed with fireproof paint on a construction site to meet the using requirements of different buildings; however, the on-site thermal spraying method has uneven quality on one hand, and has certain danger because the upper part of the I-shaped steel needs to be lifted up due to the spraying on the upper part of the I-shaped steel.

Disclosure of Invention

The invention aims to provide the numerical control automatic spraying equipment which has good fireproof performance, can play a good role in protecting a steel structure and meets the requirements of a construction site.

In order to achieve the purpose, the invention adopts the following technical scheme: a numerical control automatic spraying device comprises wire winders respectively supported below two mounting plates, cables connected between the wire winders and a coating mechanism mounted between the cables; the coating mechanism comprises a plurality of comprehensive pipes which surround the outer side of the pressure-bearing section and are mutually connected, a plurality of spraying components which are detachably arranged on the comprehensive pipes, a threaded column for connecting the comprehensive pipes, and a wire roller which is rotatably connected with the threaded column; a flow passage is arranged in the comprehensive pipe; a feed inlet is formed in the flow channel; one side of the flow channel, which is close to the pressure-bearing section, is provided with a switch opening and a communication opening; the switch opening and the communication opening are separated by a baffle; a T-shaped groove is formed in the outer side of the communication port; grooves corresponding to the communication ports one to one are formed in the two sides of the T-shaped groove; threaded openings are respectively formed in the outer sides of the two ends of the flow channel; the threaded column is inserted in the threaded opening; the spraying component comprises a sealing plate, a nozzle and a sliding block; the seal plate is sleeved between the switch opening and the communication opening; the nozzle and the sliding block can slide in the T-shaped groove; the cable is wound on a spool.

During spraying, according to the specification of a steel structure, the distance between the comprehensive pipes is adjusted by rotating the threaded columns, a corresponding number of spraying components are selected to be installed in the T-shaped grooves, the nozzles are opposite to the corresponding sealing plates, the flow channels are communicated with the insides of the nozzles through the opening and closing openings through the matching of the sealing plates, the nozzles and the sliding blocks, the winder drives the cable rope to reciprocate and drives the wire roller to rotate, meanwhile, the whole coating mechanism moves back and forth on the outer side of the third spring, and coating glue is introduced into the flow channels from the feeding openings in the moving process and sprayed to the surfaces of steel materials by the nozzles to finish spraying; because the distance between the reels is adjustable, the interval between the nozzles is adjusted according to the requirement by a lesson, so that the spraying machine can adapt to the use of I-steel with different specifications, and the thickness of the obtained fireproof coating layer can be adjusted to adapt to the use requirement; and the I-steel is laid between the two wire winders during spraying, so that the ascending operation of a scaffold is not required to be built, the safety of workers is protected, and the quality of a coating is ensured.

In summary, compared with the prior art, the invention has the following advantages: the coating can be used on a construction site, the operation is convenient and safe, the process effect is good, and the obtained coating is uniform and complete.

Drawings

Fig. 1 is a left side view of the applicator of the present invention.

Fig. 2 is an isometric cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1.

Fig. 3 is a front view of the coating mechanism of fig. 2.

Figure 4 is a cross-sectional isometric view taken along line B-B of figure 3.

Fig. 5 is a schematic structural view of the integrated pipe of fig. 4.

Fig. 6 is a partially enlarged view of a portion C in fig. 4.

Fig. 7 is a partially enlarged view of a portion D in fig. 4.

Fig. 8 is a schematic structural view of the closing plate in fig. 6.

Fig. 9 is a schematic view of the structure of the nozzle of fig. 6.

Fig. 10 is a schematic structural view of the slider in fig. 6.

Fig. 11 is a schematic cross-sectional view of the slider shown in fig. 6.

Fig. 12 is a partially enlarged view of a portion E in fig. 2.

Fig. 13 is a partially enlarged view of portion F in fig. 2.

Detailed Description

As shown in fig. 1-13, a numerical control automatic spraying device, specifically a machined workpiece is an i-steel, and the i-steel comprises a pressure-bearing section 8 and mounting pieces 9 arranged at two sides of the pressure-bearing section; the spraying equipment comprises reels 1 respectively supported below the two installation sheets, cables 2 connected between the reels 1 and a coating mechanism 3 installed between the cables 2; the coating mechanism 3 comprises a plurality of comprehensive pipes 31 which surround the outer side of the pressure-bearing section and are connected with each other, a plurality of spraying components 32 which are detachably arranged on the comprehensive pipes, a threaded column 33 for connecting the comprehensive pipes, and a wire roller 34 which is rotatably connected with the threaded column; a flow passage 311 is arranged in the comprehensive pipe; a feed inlet 312 is formed in the flow channel; one side of the flow channel, which is close to the pressure-bearing section, is provided with a switch port 313 and a communication port 314; the switch opening and the communication opening are separated by a barrier 315; a T-shaped groove 316 is arranged outside the communication port; grooves 317 corresponding to the communication ports one to one are formed in the two sides of the T-shaped groove; the outer sides of the two ends of the flow channel are respectively provided with a threaded port 318; the threaded column is inserted in the threaded opening; the spraying assembly 32 comprises a sealing plate 321, a nozzle 322 and a sliding block 323; the seal plate 321 is sleeved between the switch opening and the communication opening; the nozzle and the sliding block can slide in the T-shaped groove; the cable is wound on a spool.

The winder 1 is an electric rope winder purchased from the market, is used for driving the cable 2 to move, and is the prior art; during spraying, according to the specification of a steel structure, the threaded columns 33 are rotated to adjust the distance between the comprehensive pipes 31, a corresponding number of spraying assemblies 32 are selected to be installed in the T-shaped grooves 316, the nozzles 322 are opposite to the corresponding sealing plates 321, the flow channel 311 is communicated with the inside of the nozzles 322 through the switch openings 313 through the matching among the sealing plates 321, the nozzles 322 and the sliding blocks 323, the reel 1 drives the cable 2 to reciprocate and drives the wire rollers 34 to rotate, meanwhile, the whole coating mechanism 3 moves back and forth on the outer side of the third spring 7, coating glue is applied to the flow channel 311 from the feeding hole 312 in the moving process and is sprayed to the surface of steel through the nozzles 322 to finish spraying, and the stability of the coating mechanism 3 during moving is ensured by the limitation of the cable 2 and the threaded columns 33; after the spraying is completed, the reel 1 is started to move the coating mechanism 3 to one end of the third spring 7, the integrated pipe 31 is detached from the threaded post 33, and the i-steel is removed from the reel 1 to spray the next i-steel.

The seal plate 321 comprises a pressure plate 3211 positioned in the switch opening 313, a connecting column 3212 inserted between the switch opening and the communicating opening, a push plate 3213 positioned in the communicating opening, a seal groove 3214 arranged at the bottom of the push plate, and a notch 3215 arranged on the push plate; the diameter of the connecting post is less than the inner diameter of the barrier 315.

Sealing treatment is carried out between the side wall of the push plate 3213 and the communication port 314; when the spraying device works, the sliding block 323 and the nozzle 322 are embedded into the T-shaped groove 316 according to the specification of a steel structure, the nozzle 322 is enabled to be opposite to the push plate 3213, the nozzle 322 is moved, the push plate 3213 moves towards the inside of the communication port 314 to be close to the end face of the communication port 314, the winder 1 is started, paint is introduced into the flow passage 311, the paint flows into the communication port 314 along a gap between the press plate 3211 and the partition 315 and is introduced into the nozzle 322 along the gap 3215, and finally the spraying work is completed by the nozzle 322; for the closing plate 321 without the slider 323 and the nozzle 322 at the corresponding positions, the pressure inside the flow channel 311 causes the end surface of the pressing plate 3211 to cling to the end part of the opening 313, so as to prevent the paint from leaking, thereby the gluing operation is smooth; a spring is added to the seal plate 321 positioned below the third spring 7 between the communication port 314 and the push plate 3213 to ensure that the push plate 3211 is in close contact with the wall surface of the opening 313 when the slider 323 is not mounted, thereby preventing leakage of the paint.

The nozzle 322 comprises a push block 3221, a sealing ring 3222 installed at an end of the push block, a spray pipe 3223 arranged at a bottom of the push block, two convex blocks 3224 symmetrically arranged on a side wall of the spray pipe, a rotating wheel 3225 arranged outside the spray pipe, a plurality of sliding pieces 3226 uniformly arranged outside the rotating wheel, and a first spring 3227 fixed at a top of the rotating wheel; magnets 324 are fixed inside the push block and the push plate 3213; the sliding block 323 comprises a block body 3231 positioned outside the rotating wheel, a column hole 3232 arranged in the middle of the block body, two spiral grooves 3233 arranged on the column hole, a spring seat 3234 arranged outside the column hole, a sliding groove 3235 arranged on the block body and positioned outside the spring seat, second springs 3236 fixed on two sides of the block body, a knocking block 3237 arranged at the tail end of each second spring, and a hollow column 3238 rotatably connected outside the knocking block; the sliding sheet is arranged in the sliding groove and can slide in the sliding groove; the lug is positioned in the spiral groove and can slide along the spiral groove; the spray pipe is inserted in the column hole; the first spring is positioned in the spring seat; the hollow post is inserted into the T-shaped slot 316.

When the sliding block 323 and the nozzle 322 are installed, the hollow column 3238 is pushed into the T-shaped groove 316 and rolls along the T-shaped groove, when the hollow column 3238 rolls until the end of the knocking block 3237 is embedded into the groove 317 under the action of the second spring 3236, vibration and knocking sound generated in the process can remind a worker that the pushing block 3221 and the push plate 3213 are aligned, at the moment, the rotating wheel 3225 is rotated to enable the projection 3224 to move along a spiral line in the spiral groove 3233, the end of the pushing block 3221 pushes the push plate 3213, the communication between the flow passage 311 and the outside is realized, and the sealing ring 3222 is buckled into the sealing groove 3214; the two ends of the spiral groove 3233 are arranged in parallel to the surface of the block body 3231, so that the bump 3224 can stay in the spiral groove 3233 when reaching the end of the stroke, and cannot move reversely due to the pressure of the substances in the flow passage 311, and the stability of the spraying process is ensured; when the position of the nozzle 322 needs to be adjusted, the rotating wheel 3225 is rotated to make the protrusion 3224 move reversely in the spiral groove 3233 to the end of the stroke, and the pushing block 3221 drives the pressing plate 3211 to reset rapidly under the action of the magnet 324 and the first spring 3227 in the process.

A pressure relief groove 319 is further arranged at one end of the flow passage 311; the pressure relief groove is communicated with the flow channel through a pressure relief opening 310; a plunger 35 is connected in the pressure relief groove; one end of the plunger is inserted into the pressure relief port; after spraying is finished, the plunger is rotated to be withdrawn from the pressure relief opening, and the substance in the flow channel flows into the pressure relief groove to reduce the pressure in the flow channel; the continuous rotation of the plunger can cause the joint of the plunger and the pressure relief groove to generate cracks so as to discharge the substances in the pressure relief groove and prevent blockage.

Because the flow channel 311 is in a high-pressure state during spraying, in order to avoid damage to equipment caused by direct ejection of substances inside the flow channel 311 in the process of part disassembly, after spraying is finished each time, the plunger 35 is rotated to enable the plunger to exit the pressure relief port 310, and at the moment, the substances inside the flow channel 311 flow into the pressure relief groove 319, so that the pressure inside the flow channel 311 is reduced; continued rotation of the plunger 35 at this point may cause a crack at the junction of the plunger 35 and the relief groove 319 to expel material from the relief groove 319 and prevent clogging.

The bottom of the winder 1 is provided with a supporting block 4; the bottom of the winder is provided with a plurality of wheels 5; the reel is internally provided with a clamping seat 6 and a third spring 7; the third spring is positioned above the wheel;

when the spraying is started or finished, the supporting block 4 is arranged to facilitate the movement of the reel 1; however, when the spraying machine works, in order to ensure that the coating mechanism 3 can work stably, the steel structure is placed on the reel 1, the clamping seat 6 contracts under the heavy pressure of the steel structure until the clamping seat 4 contacts the ground surface, the pulley 5 is prevented from rolling, and the spraying machine can work stably.

The working process of the coating machine comprises the following steps: the steel structure is placed on the reel 1, the third spring 7 contracts, the supporting block contacts the ground surface, and the reel 1 is stabilized at the working position; according to the specification of a steel structure, the threaded columns 33 are rotated to adjust the distance between the comprehensive pipes 31, a corresponding number of spraying components 32 are embedded into the T-shaped groove 316, the hollow column 3238 is pushed into the T-shaped groove 316 and rolls along the T-shaped groove, when the hollow column 3238 rolls until the end of the knocking block 3237 is embedded into the groove 317 under the action of the second spring 3236, vibration and knocking sound are generated in the process to remind a worker that the pushing block 3221 and the push plate 3213 are aligned, the rotating wheel 3225 is rotated to enable the bump 3224 to move along a spiral line in the spiral groove 3233, and the end of the pushing block 3221 pushes the push plate 3213, so that the flow channel 311 is communicated with the outside; paint is introduced into the flow passage 311 from the feeding port 312 and sprayed on the surface of the pressure-bearing section 8 through the spraying pipe 3223, the winder 1 drives the cable 2 to reciprocate and drives the wire roller 34 to rotate, and meanwhile, the whole paint mechanism 3 moves back and forth outside the pressure-bearing section 8 to finish spraying; after the spraying is finished, the winder 1 drives the cable 2 to move, drives the coating mechanism 3 to move to one end of the pressure-bearing section 8, rotates the plunger 35 to enable the plunger to exit from the pressure relief opening 310, and the material in the flow channel 311 flows into the pressure relief groove 319, so that the pressure in the flow channel 311 is reduced; and taking down the steel structure, and spraying the next steel structure.

Claims

1. A numerical control automatic spraying device is characterized in that a processing workpiece comprises a pressure-bearing section (8) and mounting pieces (9) arranged on two sides of the pressure-bearing section; the spraying equipment comprises wire winders (1) respectively supported below the two mounting plates, cables (2) connected between the wire winders (1) and a coating mechanism (3) mounted between the cables (2); the coating mechanism (3) comprises a plurality of integrated pipes (31) which surround the outer side of the pressure-bearing section and are connected with each other, a plurality of spraying components (32) which are detachably arranged on the integrated pipes, threaded columns (33) for connecting the integrated pipes, and wire rollers (34) which are rotatably connected with the threaded columns; a flow passage (311) is arranged in the comprehensive pipe; a feed inlet (312) is formed in the flow channel; the method is characterized in that: one side of the flow channel, which is close to the pressure-bearing section, is provided with a switch opening (313) and a communication opening (314); the switch port and the communication port are separated by a barrier (315); a T-shaped groove (316) is arranged on the outer side of the communication port; grooves (317) which are in one-to-one correspondence with the communication ports are formed in the two sides of the T-shaped groove; the outer sides of the two ends of the flow channel are respectively provided with a threaded port (318); the threaded column is inserted in the threaded opening; the spraying component (32) comprises a sealing plate (321), a nozzle (322) and a sliding block (323): the sealing plate (321) is sleeved between the switch opening and the communication opening; the nozzle and the sliding block can slide in the T-shaped groove; the cable is wound on a wire roller; during spraying, according to the specification of a steel structure, the distance between the comprehensive pipes is adjusted by rotating the threaded columns, a corresponding number of spraying assemblies are selected to be installed in the T-shaped groove, the nozzle is opposite to the corresponding sealing plate, the flow channel is communicated with the interior of the nozzle through the opening and closing through the sealing plate, the nozzle and the sliding block, the winder drives the cable to reciprocate and drives the wire roller to rotate, meanwhile, the whole coating mechanism moves back and forth on the outer side of the third spring, and the coating is introduced into the flow channel from the feed inlet and sprayed to the surface of steel materials by the nozzle in the moving process; the sealing plate (321) comprises a pressing plate (3211) positioned in the switch opening (313), a connecting column (3212) inserted between the switch opening and the communicating opening, a push plate (3213) positioned in the communicating opening, a sealing groove (3214) arranged at the bottom of the push plate, and a notch (3215) arranged on the push plate; the diameter of the connecting column is smaller than the inner diameter of the baffle (315); when the spraying device works, according to the specification of a steel structure, the sliding block (323) and the nozzle (322) are embedded into the T-shaped groove (316), the nozzle (322) is enabled to be opposite to the push plate (3213), the nozzle (322) is moved, the push plate (3213) is enabled to move towards the inside of the communicating opening to be close to the end face of the communicating opening, the winder (1) is started, paint is introduced into the flow channel (311), the paint flows into the communicating opening along a gap between the press plate and the partition, and is introduced into the inside of the nozzle along the gap, and finally the spraying work is completed by the nozzle, wherein the nozzle (322) comprises a push block (3221), a sealing ring (3222) arranged at the end part of the push block, a spraying pipe (3223) arranged at the bottom of the push block, two convex blocks (3224) symmetrically arranged on the side wall of the spraying pipe, a rotating wheel (3225) arranged outside the spraying pipe, a plurality of slide pieces (3226) uniformly arranged outside the rotating wheel, and a first spring (3227) fixed at the top of the rotating wheel; magnets (324) are fixed inside the push block and the push plate (3213); the nozzle (322) comprises a push block (3221), a sealing ring (3222) arranged at the end part of the push block, a spray pipe (3223) arranged at the bottom of the push block, two convex blocks (3224) symmetrically arranged on the side wall of the spray pipe, a rotating wheel (3225) arranged outside the spray pipe, a plurality of sliding sheets (3226) uniformly arranged outside the rotating wheel, and a first spring (3227) fixed at the top of the rotating wheel; magnets (324) are fixed inside the push block and the push plate (3213); the sliding block (323) comprises a block body (3231) positioned on the outer side of the rotating wheel, a column hole (3232) arranged in the middle of the block body, two spiral grooves (3233) arranged on the column hole, a spring seat (3234) arranged outside the column hole, a sliding groove (3235) arranged on the block body and positioned outside the spring seat, second springs (3236) fixed on two sides of the block body, a knocking block (3237) arranged at the tail end of the second spring, and a hollow column (3238) rotatably connected outside the knocking block; the sliding sheet is arranged in the sliding groove and can slide in the sliding groove; the lug is positioned in the spiral groove and can slide along the spiral groove; the spray pipe is inserted in the column hole; the first spring is positioned in the spring seat; the hollow column is inserted in the T-shaped groove (316); when the sliding block and the nozzle need to be installed, the hollow column is pushed into the T-shaped groove and rolls along the T-shaped groove, when the hollow column rolls until the end part of the knocking block is embedded into the groove (317) under the action of the second spring, vibration and knocking sound are generated, and a worker is reminded that the pushing block and the pushing plate (3213) are aligned; then, the rotating wheel is rotated to enable the convex block to move along a spiral line in the spiral groove, the end part of the push block pushes the push plate, and the communication between the flow channel (311) and the outside is realized; one end of the flow channel (311) is also provided with a pressure relief groove (319); the pressure relief groove is communicated with the flow channel through a pressure relief opening (310); a plunger (35) is connected in the pressure relief groove; one end of the plunger is inserted into the pressure relief port; after spraying is finished, the plunger is rotated to be withdrawn from the pressure relief port, and the material in the flow channel flows into the pressure relief groove; the bottom of the winder (1) is provided with a supporting block (4); the bottom of the winder is provided with a plurality of wheels (5); a clamping seat (6) and a third spring (7) are arranged in the winder; the third spring is positioned above the wheel; when the spraying is started or finished, the wheel (5) is arranged to conveniently push the winder to move; during spraying, the steel structure is placed on the wire winder, the third spring is stressed to contract, and the supporting block is in contact with the ground surface to prevent the wheels from rolling.