CN108970882B

CN108970882B - Spraying device for tubular hardware

Info

Publication number: CN108970882B
Application number: CN201810863283.0A
Authority: CN
Inventors: 谭贺洵; 贺春扬; 樊腾飞
Original assignee: 浙江永强集团股份有限公司
Current assignee: Yotrio Group Co Ltd
Priority date: 2018-08-01
Filing date: 2018-08-01
Publication date: 2020-07-28
Anticipated expiration: 2038-08-01
Also published as: CN108970882A

Abstract

The invention provides a spraying device for tubular hardware, which comprises a spraying box, a spraying mechanism and a rotating mechanism, wherein the spraying mechanism and the rotating mechanism are arranged in the spraying box, the rotating mechanism is used for supporting a workpiece and driving the workpiece to rotate relative to the spraying mechanism, the spraying mechanism is sprayed against the rotating mechanism, the rotating mechanism comprises a rotating seat arranged in the middle of the spraying box, a first driving mechanism for driving the rotating seat to rotate around the center of the rotating seat, a plurality of rotating discs and a second driving mechanism, the second driving mechanism can simultaneously drive all the rotating discs to rotate, all the rotating discs and the second driving mechanism are driven to rotate together when the rotating seat rotates, and all the rotating discs rotate around the centers of the rotating discs under the driving of the second driving mechanism. The invention can spray a plurality of tubular hardware simultaneously, improves the working efficiency, can ensure that the surface of the tubular hardware is sprayed in place for one time, avoids secondary spraying and effectively improves the working efficiency.

Description

Spraying device for tubular hardware

Technical Field

The invention relates to the technical field of hardware production, in particular to a spraying device for tubular hardware.

Background

In the prior art, in order to prolong the service life of hardware, a protective film, such as paint, is generally sprayed on the surface of the hardware. The spraying equipment among the conventional art is mostly through the fixed hardware of various anchor clamps, then puts the hardware spraying under the spray gun, adopts the hardware of this kind of mode spraying, once can only spray a hardware, and work efficiency is low, moreover, owing to adopt anchor clamps centre gripping hardware in the spraying process, the hardware surface always can some positions because covered and unable spraying targets in place by anchor clamps, need carry out the secondary spraying. However, the secondary spraying can cause the phenomenon of uneven color on the surface of the hardware, and the surface quality of the hardware is influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the spraying device for the tubular hardware, which can spray a plurality of tubular hardware simultaneously, improve the working efficiency, ensure that the surface of the tubular hardware is sprayed in place at one time, avoid secondary spraying and effectively improve the working efficiency.

The invention provides a spraying device for tubular hardware, which comprises a spraying box, a spraying mechanism and a rotating mechanism, wherein the spraying mechanism and the rotating mechanism are arranged in the spraying box, the rotating mechanism is used for supporting a workpiece and driving the workpiece to rotate relative to the spraying mechanism, the spraying mechanism is sprayed against the rotating mechanism, the rotating mechanism comprises a rotating seat arranged in the middle of the spraying box, a first driving mechanism for driving the rotating seat to rotate around the center of the rotating seat, a plurality of rotating discs and a second driving mechanism, the second driving mechanism can simultaneously drive all the rotating discs to rotate, all the rotating discs and the second driving mechanism are driven to rotate together when the rotating seat rotates, and all the rotating discs rotate around the centers of the rotating discs under the driving of the second driving mechanism.

Furthermore, the rotating seat comprises a storage cavity in the middle, all the rotating discs are uniformly distributed on the top of the rotating seat, and the second driving mechanism is arranged in the storage cavity of the rotating seat; the second driving mechanism drives each rotating disc to rotate around the center of the rotating disc through a gear transmission mechanism.

Furthermore, the gear transmission mechanism comprises a driving gear arranged on the output end of the second driving mechanism and driven gears connected with the corresponding turnplate through rotating shafts, and the driving gear is in meshing transmission with the driven gears respectively.

Furthermore, the top of the rotary table is provided with a clamping part capable of expanding and contracting, and the clamping part comprises an air inlet end and an air outlet end; the air inlet end is connected with an air supply device arranged on the rotary seat through an air supply pipeline, and the air outlet end is communicated with the outside through an air outlet pipeline.

Furthermore, the gas supply pipeline comprises a first gas inlet pipe and a plurality of second gas inlet pipes which are mutually communicated, and one end of the first gas inlet pipe is fixedly connected with the gas supply device; the other end of the rotary seat is provided with a plurality of branches, each branch penetrates through and protrudes out of the top surface of the rotary seat and corresponds to one end of the second air inlet pipe, and the other end of the second air inlet pipe is communicated with the air inlet end of the corresponding clamping part.

Furthermore, a first check valve and a second check valve are correspondingly arranged at one end, close to each other, of the first air inlet pipe and the second air inlet pipe.

Further, an air outlet valve is arranged on the air outlet end and is a one-way valve.

Further, the spraying mechanism comprises a plurality of nozzles arranged on the side wall of the spraying box and a feeding device arranged at the top of the spraying box, and all the nozzles are connected with the feeding device through a conveying pipe; and independent switches are respectively arranged between the nozzles and the material conveying pipe.

Further, a plurality of the nozzles are vertically and evenly distributed on the side wall of the spraying box, and the lowest nozzle is higher than the top surface of the rotary seat.

Further, the spraying device also comprises a controller, and the controller is connected with the spraying mechanism and the rotating mechanism.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the rotary seat is arranged in the spraying box, and the plurality of tubular hardware pieces are uniformly placed on the rotary seat for spraying, so that the requirement of spraying a plurality of hardware pieces at one time can be met, and the working efficiency is greatly improved.

2. The rotary seat is provided with the rotary discs which correspond to the tubular hardware one by one, and the rotary discs can rotate around the centers of the rotary discs to drive the tubular hardware to rotate, so that coating or paint can be uniformly sprayed on the surfaces of the tubular hardware during spraying, and the spraying leakage is prevented.

3. According to the invention, the clamping part capable of expanding or contracting is arranged on the turntable, when the turntable is contracted, the tubular hardware can be sleeved on the clamping part, and the clamping part is inflated to gradually expand to fix the tubular hardware on the turntable.

Drawings

Fig. 1 is a schematic side view of the present invention.

Fig. 2 is a partial enlarged view of the invention at a in fig. 1.

Fig. 3 is a top view of the present invention.

Description of reference numerals:

1-spraying box; 11-door leaf; 2-a spraying mechanism; 21-a nozzle; 22-a feeding device; 3-a rotating base; 31-a storage cavity; 32-a drive gear; 33-a driven gear; 34-a clamping part; 35-air supply means; 36 — a first intake pipe; 37 — a second intake pipe; 38-air outlet end; 4-a first drive mechanism; 5, rotating a disc; 6-second driving mechanism.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or component referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms described above will be understood by those of ordinary skill in the art according to the specific circumstances.

1-3, a spraying device of tubulose hardware, including spraying case 1, setting be in spraying mechanism 2 and rotary mechanism in the spraying case 1, rotary mechanism is used for bearing the work piece and drives the work piece is relative spraying mechanism 2 rotates, spraying mechanism 2 is fixed can face on the spraying case 1 rotary mechanism spraying. The rotary mechanism comprises a rotary seat 3 arranged in the middle of the spraying box 1, a first driving mechanism 4 arranged at the bottom of the rotary seat 3 and used for driving the rotary seat 3 to rotate around the center of the rotary seat, a plurality of rotary discs 5 arranged on the rotary seat 3 and a second driving mechanism 6. The first driving mechanism 4 is preferably a servo motor, and when feeding is performed, the rotating angle of the rotating base 3 is accurately controlled, so that the rotating base 3 can rotate once and stop when feeding is performed, and sequential feeding of workpieces is facilitated. When the first driving mechanism 4 drives the rotary base 3 to rotate, the second driving mechanism 6 can drive all the rotary discs 5 to rotate simultaneously. When the rotating base 3 rotates, all the rotating discs 5 and the second driving mechanism 6 are driven to rotate together, and at the moment, each rotating disc 5 is driven by the second driving mechanism 6 to rotate around the center of the rotating disc, so that the outer surface of each workpiece on each rotating disc 5 can be just opposite to the spraying mechanism 2, and paint or lacquer can be conveniently and uniformly distributed on the outer surface of each workpiece.

The rotary seat 3 is circular, a hollow storage cavity 31 is formed in the inner side of the middle of the rotary seat, all the rotary discs 5 are uniformly distributed on the upper side of the top wall of the rotary seat 3 and are not directly or movably connected with the top wall of the rotary seat 3, and the rotary seat is preferably not directly connected with the top wall of the rotary seat. The second driving mechanism 6 is preferably a motor, and is disposed in the storage cavity 31 of the rotary base 3. The second driving mechanism 6 drives each of the rotating discs 5 to rotate around the respective center through a gear transmission mechanism. Specifically, the gear transmission mechanism comprises a driving gear 32 arranged at the output end of the second driving mechanism 6 and driven gears 33 connected with the corresponding rotating discs 5 through rotating shafts, and the driving gear 32 is in meshing transmission with the driven gears 33 respectively. The lower end of the rotating shaft is fixedly provided with the driven gear 33, and the upper end of the rotating shaft penetrates through the top wall of the rotating seat 3 and is fixedly connected with the bottom of the rotating disc 5. An appropriate distance is arranged between the bottom of the rotating disc 5 and the rotating base 3, so that the rotating disc 5 cannot collide with the rotating base 3 during rotation. The diameter of the driving gear 32 is larger than that of each of the driven gears 33, the driven gears 33 are uniformly distributed on the outer circumference of the driving gear 32, and when the driving gear 32 rotates, each of the driven gears 33 is driven to rotate together.

In order to prevent the workpiece placed on the upper surface of the turntable 5 from falling or falling off the turntable 5 during the rotation process, a clamp for fixing the workpiece is further fixedly arranged on the upper surface of the turntable 5. Specifically, the top of the turntable 5 is provided with a clamping portion 34 capable of expanding and contracting, and the clamping portion 34 is preferably in a long strip shape made of hard and elastic rubber. The clamping portion 34 is provided in a sealed state and has an inlet end and an outlet end 38 at the bottom thereof. The inlet end passes through the gas supply line and sets up the roating seat 3 is put the gas supply unit 35 in the thing chamber 31 and is connected, the end 38 of giving vent to anger is through the pipeline of giving vent to anger and external intercommunication. When the clamping part 34 is not inflated, the clamping part always keeps an initial strip shape, and at the moment, a workpiece can be sleeved on the clamping part 34; when the air supply device 35 inflates air to the clamping portion 34, the clamping portion 34 gradually becomes larger, and an outward extrusion force is formed on the inner wall of the workpiece, so that the workpiece is tightly fixed on the rotating disc 5.

The gas supply duct is including setting up first intake pipe 36 on the roating seat 3 and setting up each second intake pipe 37 on the carousel 5, first intake pipe 36 and each second intake pipe 37 communicates each other. Each of the second intake pipes 37 communicates with an intake end of the corresponding clamp portion 34. One end of the first air inlet pipe 36 is fixedly connected with the air supply device 35; the other end of the rotary seat is provided with a plurality of branches, each branch penetrates through and protrudes from the top wall of the rotary seat 3 and is detachably connected with one end of the corresponding second air inlet pipe 37, and the other end of the second air inlet pipe 37 is communicated with the corresponding air inlet end of the clamping part 34. In one embodiment, the branch portions connected to the second air inlet pipe 37 are respectively provided with magnetic attracting means, and the magnetic attracting means are preferably two magnets with opposite magnetism. When the branch is attached to the second air inlet pipe 37, the two magnetic attraction parts attract each other, so that the branch is temporarily and tightly connected with the second air inlet pipe 37 and communicated with the second air inlet pipe 37, and the air supply device 35 is convenient to inflate the clamping part 34. When the inflation is completed, the second driving mechanism 6 drives the driving gear 32 to rotate, so as to drive the driven gear 33 to rotate, and further drive the turntable 5 and the second air inlet pipe 37 to rotate together relative to the branch.

In order to facilitate the air intake and air discharge of the clamping portion 34, a first check valve is provided on each branch of the first air intake pipe 36, and a second check valve is provided on each second air intake pipe 37. The first check valve and the second check valve are communicated in the same direction, and both the first check valve and the second check valve are used for allowing gas to enter the clamping portion 34 from the gas supply device 35, and the direction is a gas inlet direction. The first one-way valve can ensure that after the clamping portion 34 stops inflating, the gas in the clamping portion 34 cannot leak out of the first one-way valve, so that the clamping portion 34 always keeps an expansion state, namely a clamping state. Correspondingly, in order to facilitate the removal of the workpiece, an air outlet valve is provided on the air outlet end 38 of the clamping portion 34, and the air outlet valve is preferably a one-way valve, so that the clamping portion 34 can be conveniently deflated, and air cannot enter the inside of the clamping portion 34 through the air outlet valve. When the first air inlet pipe 36 is communicated with each second air inlet pipe 37, the corresponding first one-way valve and the corresponding second one-way valve are controlled to be opened simultaneously, the air supply device 35 inflates the corresponding clamping portion 34 to clamp the corresponding workpiece, and the operation is circulated until the workpieces are clamped on all the clamping portions 34, inflation is stopped, and spraying operation is prepared. After the spraying is finished, when the workpiece needs to be taken down, all the gas outlet valves are controlled to be opened simultaneously, gas in each clamping part 34 is discharged, each clamping part 34 is restored to an initial state, so that the extrusion force of the clamping parts 34 on the inner side wall of the workpiece disappears, and the workpiece can be taken down at the moment.

The spraying mechanism 2 comprises a plurality of nozzles 21 arranged on the side wall of the spraying box 1 and a feeding device 22 arranged at the top of the spraying box 1, and all the nozzles 21 are connected with the feeding device 22 through conveying pipes; and an independent switch is arranged between each nozzle 21 and the material conveying pipe. The corresponding spray nozzle 21 is controlled to spray by controlling the on-off of the switch, so that the spraying operation of workpieces with different heights can be adapted, and the waste is avoided. The plurality of nozzles 21 are vertically and evenly distributed on the side wall of the spraying box 1, and the lowest nozzle 21 is slightly higher than the top surface of the rotary seat 3. Each of the nozzles 21 is directed horizontally toward the direction of the workpiece. The nozzles 21 are provided with independent switches, and the corresponding nozzles 21 can be controlled to perform spraying operation by controlling the on and off of the corresponding switches when needed. For example, when the height of the workpiece is short, one or two of the nozzles 21 at the lower positions may be individually controlled to spray, and the other nozzles 21 at the higher positions may be turned off to save paint or lacquer. In order to further improve the spraying efficiency, the plurality of nozzles 21 are divided into a plurality of rows, and are uniformly distributed on a plurality of inner side walls of the spraying box 1, and all the nozzles 21 in each row are respectively communicated with the feeding device 22 through one conveying pipe, and preferably two rows or four rows are arranged in the embodiment. When two rows are arranged, two rows of the nozzles 21 are arranged on two opposite side walls of the spraying box 1; when the spray nozzles are arranged in four rows, the four rows of the spray nozzles 21 are arranged on four side walls of the spray box 1 and are symmetrical two by two. By adopting the design, two or four workpieces can be sprayed simultaneously, and the spraying time is saved.

The spraying device further comprises a controller (not shown in the figure), and the controller is connected with the spraying mechanism 2 and the rotating mechanism. The controller is also connected with the first driving mechanism 4, the second driving mechanism 6, the switches, the first one-way valves, the second one-way valves and the air outlet valves, so that the automation of the spraying device is realized.

In order to keep a closed space when the spraying box 1 sprays, a door leaf 11 for feeding and discharging the workpiece is arranged on the side wall of one side of the spraying box 1, and the door leaf 11 is hinged on the side wall through a hinged part. The door leaf 11 is further provided with a handle, so that a worker can conveniently control the opening or closing of the door leaf 11.

The working principle is as follows: manually open door leaf 11, establish the work piece cover on the clamping part 34 that is closest with door leaf 11, the first actuating mechanism of controller control 4 drive roating seat 3 and rotate and predetermine the angle for a clamping part 34 adjacent with last work piece rotates to the position that is closest to door leaf 11, make things convenient for the material loading, when all overlapping on making each clamping part 34 and being equipped with a work piece, controller control air feeder 35 aerifys each clamping part 34, tightly fixes the work piece on clamping part 34. Then, the door 11 is manually closed, and the controller controls the painting mechanism 2 to start the painting operation. At this time, the nozzle 21 starts spraying the nearest workpiece, and at the same time, the controller controls the second driving mechanism 6 to start, so as to drive the turntable 5 to drive the workpiece thereon to rotate until the outer surface of the workpiece is covered by the paint or the lacquer. Then, the controller controls the first driving mechanism 4 to drive the rotating base 3 to rotate by a preset angle, the nozzle 21 sprays another workpiece, and the controller controls the spraying mechanism 2 and the second driving mechanism 6 to stop until all the workpieces are sprayed. At this time, the door 11 is manually opened, and all the workpieces can be sequentially taken out by the rotation of the rotary base 3.

According to the invention, the rotary seat is arranged in the spraying box, and the plurality of tubular hardware pieces are uniformly placed on the rotary seat for spraying, so that the requirement of spraying a plurality of hardware pieces at one time can be met, and the working efficiency is greatly improved. Moreover, the rotary seat is provided with the rotary discs which correspond to the tubular hardware one by one, and the rotary discs can rotate around the centers of the rotary discs to drive the tubular hardware to rotate, so that coating or paint can be uniformly sprayed on the surfaces of the tubular hardware during spraying, and the spraying leakage is prevented. In addition, the turntable is provided with the clamping part capable of expanding or contracting, when the turntable contracts, the tubular hardware can be sleeved on the clamping part, the clamping part is inflated, so that the clamping part gradually expands to fix the tubular hardware on the turntable, and by adopting the clamping mode, the clamp is prevented from covering the outer surface of the tubular hardware to influence spraying.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a spraying device of tubulose hardware, is in including spraying case (1), setting spraying mechanism (2) and rotary mechanism in spraying case (1), rotary mechanism is used for bearing work piece and drives the work piece is relative spraying mechanism (2) rotate, spraying mechanism (2) are facing to rotary mechanism spraying, its characterized in that: the rotating mechanism comprises a rotating seat (3) arranged in the middle of the spraying box (1), a first driving mechanism (4) for driving the rotating seat (3) to rotate around the center of the rotating seat, and a plurality of rotating discs (5) and a second driving mechanism (6) which are arranged on the rotating seat (3), wherein the second driving mechanism (6) can simultaneously drive all the rotating discs (5) to rotate, the rotating seat (3) drives all the rotating discs (5) and the second driving mechanism (6) to rotate together when rotating, and each rotating disc (5) rotates around the center of the rotating disc under the driving of the second driving mechanism (6); the rotary seat (3) is round, a hollow storage cavity (31) is formed in the rotary seat (3), all the rotary discs (5) are uniformly distributed on the upper side of the top wall of the rotary seat (3), all the rotary discs (5) are not directly connected with the top wall of the rotary seat (3), and the second driving mechanism (6) is arranged in the storage cavity (31) of the rotary seat (3); the second driving mechanism (6) drives each turntable (5) to rotate around the respective center through a gear transmission mechanism;

the gear transmission mechanism comprises a driving gear (32) arranged at the output end of the second driving mechanism (6) and driven gears (33) connected with the corresponding turntables (5) through rotating shafts, and the driving gear (32) is in meshing transmission with the driven gears (33) respectively;

the top of the rotary table (5) is provided with a clamping part (34) capable of expanding and contracting, the clamping part (34) is in a long strip shape made of hard and elastic rubber, the clamping part (34) is set in a sealing state, and the bottom of the clamping part (34) is provided with an air inlet end and an air outlet end (38); the air inlet end is connected with an air supply device (35) arranged on the rotary seat (3) through an air supply pipeline, and the air outlet end (38) is communicated with the outside through an air outlet pipeline;

the spraying mechanism (2) comprises a plurality of nozzles (21) arranged on the side wall of the spraying box (1) and a feeding device (22) arranged at the top of the spraying box (1), and all the nozzles (21) are connected with the feeding device (22) through a conveying pipe; an independent switch is arranged between each nozzle (21) and the material conveying pipe; the plurality of nozzles (21) are divided into a plurality of rows which are uniformly distributed on a plurality of inner side walls of the spraying box (1), and all the nozzles (21) in each row are respectively communicated with the feeding device (22) through one material conveying pipe.

2. The tubular hardware spraying device of claim 1, wherein: the air supply pipeline comprises a first air inlet pipe (36) and a plurality of second air inlet pipes (37) which are communicated with each other, and one end of the first air inlet pipe (36) is fixedly connected with the air supply device (35); the other end of the rotary seat is provided with a plurality of branches, each branch penetrates through and protrudes from the top surface of the rotary seat (3) and corresponds to one end of the second air inlet pipe (37) in a detachable mode, and the other end of the second air inlet pipe (37) is communicated with the corresponding air inlet end of the clamping portion (34).

3. The tubular hardware spraying device of claim 2, wherein: one end of the first air inlet pipe (36) close to one end of each second air inlet pipe (37) is correspondingly provided with a first check valve and a second check valve.

4. The tubular hardware spraying device of claim 1, wherein: an air outlet valve is arranged on the air outlet end (38), and the air outlet valve is a one-way valve.

5. The tubular hardware spraying device of claim 1, wherein: the plurality of nozzles (21) are vertically and uniformly distributed on the side wall of the spraying box (1), and the lowest nozzle (21) is higher than the top surface of the rotary seat (3).

6. A tubular hardware member spray coating apparatus according to any one of claims 1 to 5, wherein: the spraying device also comprises a controller, and the controller is connected with the spraying mechanism (2) and the rotating mechanism.