CN112337683A

CN112337683A - Small-size arm spraying device

Info

Publication number: CN112337683A
Application number: CN202011119420.3A
Authority: CN
Inventors: 卢鑫圆; 王文华; 辛仕伟; 白茂成; 林娜; 韩立兵; 杨承林; 李渊; 王睿; 任泽临; 刘强
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-02-09

Abstract

The invention discloses a small mechanical arm spraying device, which belongs to the field of spraying equipment and comprises a substrate and a mechanical arm, wherein a base is arranged at the center of the top wall of the substrate, an annular sliding groove is formed in the outer side of the top wall of the substrate, a sliding block is arranged in the annular sliding groove in a sliding manner, a first bevel gear ring is fixed on the top wall of the substrate, which is positioned on the outer side of the annular sliding groove, the mechanical arm is arranged on the top wall of the sliding block, a first motor is further fixed on the top wall of the sliding block, a first bevel gear is arranged at the driving end of the first motor, the first bevel gear is meshed with the first bevel gear ring, a plurality of vertical plates are fixed on the top wall of the substrate, which is positioned on the outer side of the first. The arm spraying device of this scheme can carry out the omnidirectional spraying to article, increases the scope of spraying, has also improved the efficiency of spraying simultaneously, in addition when the spraying, can avoid during coating drifts away to the air, guarantees air quality and health.

Description

Small-size arm spraying device

Technical Field

The invention relates to the technical field of spraying equipment, in particular to a small mechanical arm spraying device.

Background

The spraying machine is a special coating equipment adopting spraying technology, and is mainly formed from material-supplying device, spray gun and atomization generating source. It is suitable for leather handbag, gift package, furniture, shoe industry, automobile industry, etc. Mechanical arm spraying is the combination of a mechanical arm and a spraying machine.

Through search, chinese patent CN 106622791B discloses a spraying arm system, comprising: the spray gun is arranged on the first movement mechanism and is used for carrying the spray gun to move; first motion, including the link, first lead screw, two first nuts, two first motors, two first driving gears and two first driven gears, the link sets up on second motion, two first nuts rotate respectively and install on the link, two first driven gears rigid coupling respectively on two first nuts, first lead screw passes two first nuts, two first driven gears, and first lead screw and two first nut screw-thread fit, with two first driven gear clearance fit.

Similar prior art robotic arm spray devices generally suffer from the following disadvantages: in the device, the operating range of arm is effective, when carrying out all-round spraying to article, has the limitation, can't carry out the antiskid when the spraying in addition, causes coating to waft in the air, influences workshop environment air quality, also does not benefit to human respiratory tract health yet, therefore we propose a small-size arm spraying device.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a small mechanical arm spraying device.

In order to achieve the purpose, the invention adopts the following technical scheme:

a small mechanical arm spraying device comprises a substrate and a mechanical arm, wherein a base is arranged at the center of the top wall of the substrate, an annular sliding groove is formed in the outer side of the top wall of the substrate, a sliding block is arranged in the annular sliding groove in a sliding mode, a first bevel gear ring is fixed on the top wall of the substrate and positioned on the outer side of the annular sliding groove, the mechanical arm is installed on the top wall of the sliding block, a first motor is further fixed on the top wall of the sliding block, a first bevel gear is installed at the driving end of the first motor and meshed with the first bevel gear ring, a plurality of vertical plates are fixed on the top wall of the substrate and positioned on the outer side of the first bevel gear ring, a fixing ring is jointly fixed at the top ends of the vertical plates, an annular sliding seat is fixed on the inner side of the fixing ring, a rotating plate is rotatably installed through the annular sliding seat, a, the top end of the mechanical arm is provided with a connecting seat, the connecting seat is fixedly provided with a spray pipe through a fixing plate, the inner side of the spray pipe is provided with a plurality of spray heads, and the spray pipe is connected with the bottom end of the hose;

a second bevel gear ring is fixed on the bottom wall of the fixing ring, a rotating rod is rotatably mounted at the position, close to the outer side, of the bottom wall of the rotating plate through two supporting plates, a second bevel gear is mounted at one end of the rotating rod, the second bevel gear is meshed with the second bevel gear ring, a first belt pulley is further mounted at the driving end of the first motor, a first belt pulley is also mounted at one end, close to the second bevel gear, of the rotating rod, and the two first belt pulleys are driven through a first belt;

the upside of base plate is equipped with the protection casing, riser and solid fixed ring all are located the inboard of protection casing, install the second motor on the roof of protection casing, the second belt pulley is installed to the drive end of second motor, the bilateral symmetry of protection casing roof rotates and installs the threaded rod, and the bottom of threaded rod all extends to the inboard lower part of protection casing, the second belt pulley is all installed equally on the top of threaded rod, is located the threaded rod top the second belt pulley all passes through second belt drive with the second belt pulley on the second motor drive end, be fixed with the screwed pipe on the lateral wall at riser top, screwed pipe and threaded rod threaded connection.

Further, the spray pipes are of a semicircular structure, and each spray head is fixed on the inner circumference of each spray pipe.

Furthermore, the middle part of the spray pipe is fixed with the end part of the connecting seat through two fixing plates.

Furthermore, the first motor and the second motor are both servo motors, and the input ends of the first motor and the second motor are both externally connected with a single chip microcomputer.

Furthermore, the section of the annular sliding seat is of a C-shaped structure, and balls are embedded in the inner side of the annular sliding seat and are installed with the rotating plate in a rolling mode through the balls.

Further, the protective cover is made of transparent plastic or glass.

Furthermore, an annular sealing groove matched with the bottom end of the protective cover is formed in the top wall of the substrate.

Furthermore, the number of the vertical plates is 2-4.

Furthermore, the number of the threaded rods is 2-4, and the bottom ends of the threaded rods are provided with limit blocks.

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

1. through installing the arm on the slider to steerable slider slides on the roof of base plate, thereby drive the arm at the in-process of spraying, can carry out rotary motion around article, thereby improve the scope and the flexibility of device spraying, very big reduction the local shape of operation.

2. The spray pipe arranged on the mechanical arm is semicircular, and a plurality of spray heads are arranged, so that the spraying range and efficiency can be increased.

3. The spraying machine is arranged on the rotatable rotating platform and can rotate along with the mechanical arm when the mechanical arm rotates, so that the pipeline is prevented from being wound.

4. The protective covers capable of lifting are arranged on the peripheries of the mechanical arm and the spraying machine, so that equipment can be protected in the spraying process, the coating in the spraying process is prevented from drifting into the air, the air quality is guaranteed, and the human health is promoted.

To sum up, the arm spraying device of this scheme can carry out the omnidirectional spraying to article, increases the scope of spraying, has also improved the efficiency of spraying simultaneously, in addition when the spraying, can avoid during coating drifts away to the air, guarantees air quality and health.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

FIG. 1 is a schematic view of the overall structure of a small-sized mechanical arm spraying device according to the present invention;

FIG. 2 is an enlarged view of the structure of portion A of FIG. 1;

FIG. 3 is an enlarged view of the structure of portion B of FIG. 1;

FIG. 4 is an enlarged view of the structure of portion C of FIG. 1;

FIG. 5 is an enlarged view of the structure of portion D of FIG. 1;

FIG. 6 is an enlarged view of the structure of portion E of FIG. 1;

FIG. 7 is an enlarged view of the structure of portion F of FIG. 1;

FIG. 8 is an enlarged view of the structure of portion G of FIG. 1;

FIG. 9 is a top view of the nozzle and coupling socket assembly.

In the figure: the spraying machine comprises a base plate 1, a base 2, a mechanical arm 3, a sliding block 4, a first motor 5, a first bevel gear 6, a first bevel gear 7, a vertical plate 8, a fixing ring 9, an annular sliding seat 10, a rotating plate 11, a spraying machine 12, a hose 13, a first belt pulley 14, a first belt 15, a rotating rod 16, a second bevel gear 17, a second bevel gear 18, a second bevel gear 19, a supporting plate 19, a connecting seat 20, a fixing plate 21, a spraying pipe 22, an annular sliding groove 23, a spraying head 24, a protective cover 25, a second motor 26, a second belt pulley 27, a second belt 28, a threaded rod 29 and a threaded pipe 30.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-9, a small-size arm spraying device, includes base plate 1, arm 3, and arm 3 is current mature technology, and its concrete structure and theory of operation are no longer repeated in this scheme. The center of the top wall of the substrate 1 is provided with a base 2, the outer side of the top wall of the substrate 1 is provided with an annular chute 23, the annular chute 23 is internally provided with a slide block 4 in a sliding manner, the top wall of the substrate 1 positioned at the outer side of the annular chute 23 is fixed with a first bevel gear 7, the top wall of the slide block 4 is provided with a mechanical arm 3, the top wall of the slide block 4 is also fixed with a first motor 5, the driving end of the first motor 5 is provided with a first bevel gear 6, the first bevel gear 6 is mutually meshed with the first bevel gear 7, the top wall of the substrate 1 positioned at the outer side of the first bevel gear 7 is fixed with a plurality of vertical plates 8, the top ends of the vertical plates 8 are jointly fixed with a fixing ring 9, the inner side of the fixing ring 9 is fixed with an annular slide seat 10, a rotary plate 11 is rotatably installed through the annular slide seat 10, the top wall, a spray pipe 22 is fixed on the connecting seat 20 through a fixing plate 21, a plurality of spray heads 24 are installed on the inner side of the spray pipe 22, and the spray pipe 22 is connected with the bottom end of the hose 13;

a second bevel gear ring 18 is fixed on the bottom wall of the fixed ring 9, a rotating rod 16 is rotatably mounted on the bottom wall of the rotating plate 11 at a position close to the outer side of the rotating plate through two supporting plates 19, a second bevel gear 17 is mounted at one end of the rotating rod 16, the second bevel gear 17 is meshed with the second bevel gear ring 18, a first belt pulley 14 is further mounted at the driving end of the first motor 5, a first belt pulley 14 is also mounted at one end of the rotating rod 16 close to the second bevel gear 17, and the two first belt pulleys 14 are driven through a first belt 15;

the upside of base plate 1 is equipped with protection casing 25, riser 8 and solid fixed ring 9 all are located the inboard of protection casing 25, install second motor 26 on the roof of protection casing 25, second belt pulley 27 is installed to the drive end of second motor 26, threaded rod 29 is installed in the bilateral symmetry rotation of protection casing 25 roof, and threaded rod 29's bottom all extends to the lower part of protection casing 25 inboard, second belt pulley 27 is all installed equally on the top of threaded rod 29, the second belt pulley 27 that is located threaded rod 29 top all passes through the transmission of second belt 28 with second belt pulley 27 on the drive end of second motor 26, be fixed with screwed pipe 30 on the lateral wall at riser 8 top, screwed pipe 30 and threaded rod 29 threaded connection.

The spout 22 is of a semi-circular configuration and each spray head 24 is secured to the inner circumference of the spout 22. The middle part of the nozzle 22 is fixed to the end of the connecting socket 20 by two fixing plates 21. Connecting seat 20 and the top installation of arm 3, the steerable connecting seat 20 of arm 3 carries out vertical swing, adjusts its vertical angle.

The first motor 5 and the second motor 26 are both servo motors, and the input ends of the servo motors are both externally connected with a single chip microcomputer. The single chip microcomputer adopts a programmable 89S51 model and can control the first motor 5 and the second motor 26 to rotate forwards and backwards.

The section of the annular sliding seat 10 is in a C-shaped structure, and the inner side of the annular sliding seat 10 is embedded with a ball which is arranged with the rotating plate 11 in a rolling way.

The protective cover 25 is made of transparent plastic or glass. An annular sealing groove matched with the bottom end of the protective cover 25 is formed in the top wall of the substrate 1. The main function of the protection mask 25 is to protect the paint and not to monitor the operation state of the robot arm 3 and the coating machine 12, and therefore the material of the protection mask 25 is not limited to transparent plastic or glass.

The number of the vertical plates 8 is 2-4. In this embodiment, the number of the vertical plates 8 is 2.

The number of the threaded rods 29 is 2-4, and the bottom ends of the threaded rods 29 are provided with limit blocks. In this embodiment, the number of the threaded rods 29 is 2.

The working principle and the using process of the invention are as follows: article are placed on base 2, and second motor 26 is opened, and through the cooperation of second belt pulley 27 and second belt 28, can drive threaded rod 29 and rotate, threaded rod 29 and screwed pipe 30 screw-thread fit, and screwed pipe 30 is fixed with the lateral wall of riser 8, consequently along with the rotation of threaded rod 29, can realize the lift of protection casing 25, need move down protection casing 25 this moment, make in its bottom gets into the annular seal groove on the base plate 1, can protect mechanisms such as arm 3 and flush coater 12 this moment.

The robot 3 moves the nozzle 22 and the spray head 24, and the applicator 12 feeds the coating material through the hose 13 into the nozzle 22 and ultimately from the spray head 24 onto the surface of the article.

The mechanical arm 3 can drive the spray pipe 22 and the spray head 24 to swing at a vertical angle, the first bevel gear 6 is driven by the first motor 5 to be meshed with the first bevel gear ring 7, the mechanical arm 3 and each structure on the upper portion of the mechanical arm can be driven to slide in the annular sliding groove in the top wall of the base plate 1 through the sliding block 4, and therefore the mechanical arm 3 and each structure on the upper portion of the mechanical arm can horizontally rotate around an article.

When the first motor 5 is driven, the first belt pulley 14 at the driving end and the first belt pulley 14 at the rotating rod 16 are driven by the first belt 15, so that the second bevel gear 17 on the rotating rod 16 is engaged with the second bevel gear ring 18, and the rotating platform 11 and the spraying machine 12 are driven to rotate synchronously with the mechanical arm 3.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A small mechanical arm spraying device comprises a base plate (1) and a mechanical arm (3), and is characterized in that a base (2) is arranged at the center of the top wall of the base plate (1), an annular sliding groove (23) is formed in the outer side of the top wall of the base plate (1), a sliding block (4) is arranged in the annular sliding groove (23) in a sliding mode, a first bevel gear ring (7) is fixed on the top wall of the base plate (1) and located on the outer side of the annular sliding groove (23), the mechanical arm (3) is installed on the top wall of the sliding block (4), a first motor (5) is further fixed on the top wall of the sliding block (4), a first bevel gear (6) is installed at the driving end of the first motor (5), the first bevel gear (6) is meshed with the first bevel gear ring (7), a plurality of vertical plates (8) are fixed on the top wall of the base plate (1) and located, the top end of the vertical plate (8) is jointly fixed with a fixing ring (9), the inner side of the fixing ring (9) is fixed with an annular sliding seat (10), a rotating plate (11) is rotatably installed through the annular sliding seat (10), a spraying machine (12) is installed on the top wall of the rotating plate (11), a hose (13) is installed at a spraying port of the spraying machine (12), a connecting seat (20) is installed at the top end of the mechanical arm (3), a spraying pipe (22) is fixed on the connecting seat (20) through a fixing plate (21), a plurality of spray heads (24) are installed on the inner side of the spraying pipe (22), and the spraying pipe (22) is connected with the bottom end of the hose (13);

a second bevel gear ring (18) is fixed on the bottom wall of the fixing ring (9), a rotating rod (16) is rotatably mounted at the position, close to the outer side, of the bottom wall of the rotating plate (11) through two supporting plates (19), a second bevel gear (17) is mounted at one end of the rotating rod (16), the second bevel gear (17) is meshed with the second bevel gear ring (18), a first belt pulley (14) is further mounted at the driving end of the first motor (5), a first belt pulley (14) is also mounted at one end, close to the second bevel gear (17), of the rotating rod (16), and the two first belt pulleys (14) are driven through a first belt (15);

the upper side of the base plate (1) is provided with a protective cover (25), the vertical plate (8) and the fixing ring (9) are both positioned on the inner side of the protective cover (25), a second motor (26) is arranged on the top wall of the protective cover (25), a second belt pulley (27) is arranged at the driving end of the second motor (26), threaded rods (29) are symmetrically and rotatably arranged on two sides of the top wall of the protective cover (25), and the bottom ends of the threaded rods (29) extend to the lower part of the inner side of the protective cover (25), the top ends of the threaded rods (29) are also provided with second belt wheels (27), the second belt wheels (27) positioned at the top ends of the threaded rods (29) are in transmission with the second belt wheels (27) on the driving ends of the second motors (26) through second belts (28), a threaded pipe (30) is fixed on the outer side wall of the top of the vertical plate (8), and the threaded pipe (30) is in threaded connection with the threaded rod (29).

2. A compact robotic arm painting apparatus as claimed in claim 1, wherein said spray bar (22) is of semi-circular configuration, and each of said spray heads (24) is secured to the inner circumference of the spray bar (22).

3. A compact robotic arm painting device according to claim 1 or 2, characterized in that the middle of the nozzle (22) is fixed to the end of the connecting base (20) by means of two fixing plates (21).

4. The small mechanical arm spraying device as claimed in claim 1, wherein the first motor (5) and the second motor (26) are both servo motors, and input ends of the first motor and the second motor are both externally connected with a single chip microcomputer.

5. A small mechanical arm spraying device as claimed in claim 1, wherein the section of the annular sliding base (10) is in a C-shaped structure, and balls are embedded in the inner side of the annular sliding base (10) and are installed with the rotating plate (11) in a rolling way through the balls.

6. A compact robotic arm painting device according to claim 1, characterised in that said protective cover (25) is of transparent plastic or glass material.

7. The small mechanical arm spraying device as claimed in claim 1 or 6, wherein the top wall of the base plate (1) is provided with an annular sealing groove matched with the bottom end of the protective cover (25).

8. A compact robotic arm painting apparatus as claimed in claim 1, characterised in that the number of said vertical plates (8) is 2-4.

9. The small mechanical arm spraying device as claimed in claim 1, wherein the number of the threaded rods (29) is 2-4, and the bottom ends of the threaded rods (29) are provided with limit blocks.