CN111701772A

CN111701772A - Spraying equipment

Info

Publication number: CN111701772A
Application number: CN202010526345.6A
Authority: CN
Inventors: 马鹰; 谢小东; 鲁鹏
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Current assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2020-09-25

Abstract

The invention provides spraying equipment which comprises a conveying line, a first blowing device, a spraying device, a second blowing device and a drying device, wherein the first blowing device, the spraying device, the second blowing device and the drying device are sequentially arranged along the conveying direction of the conveying line; the spraying device comprises a first adjusting mechanism and a first nozzle arranged on the first adjusting mechanism, the first nozzle is used for spraying coating to a product, and at least one part of the first adjusting mechanism is movably arranged so as to adjust the position of the first nozzle; the second purging device is used for blowing air to the product after spraying; the drying device is used for drying the coating on the product. By adopting the scheme, the automatic conveying, purging, spraying and drying of products such as a heat exchanger can be realized, so that manual operation can be replaced, the production efficiency is improved, the contact between personnel and harmful gas is avoided or reduced, and the health of the personnel is ensured. Moreover, the position of the first nozzle can be adjusted, so that the device can be suitable for different products and the universality is improved.

Description

Spraying equipment

Technical Field

The invention relates to the technical field of product surface spraying, in particular to spraying equipment.

Background

The elbow end of the heat exchanger part needs to be subjected to anticorrosion treatment, and the current anticorrosion mode is manual coating and natural drying. The mode has low efficiency and high working strength, and people are easy to contact with toxic and harmful gases. The same problem exists for other similar products that require spraying.

Disclosure of Invention

The invention provides spraying equipment to replace manual operation, improve production efficiency and ensure personnel health.

In order to achieve the above object, the present invention provides a spraying apparatus, including a conveying line, and a first purging device, a spraying device, a second purging device, and a drying device sequentially arranged along a conveying direction of the conveying line, wherein the conveying line is used for conveying a product to be sprayed; the first blowing device is used for blowing air to the products on the conveying line so as to blow off residues on the products; the spraying device comprises a first adjusting mechanism and a first nozzle arranged on the first adjusting mechanism, the first nozzle is used for spraying paint to the product, and at least one part of the first adjusting mechanism is movably arranged so as to adjust the position of the first nozzle; the second blowing device is used for blowing air to the product subjected to the spraying coating so as to blow off redundant coating on the product; the drying device is used for drying the paint on the product.

Further, the first adjustment mechanism includes: a vertical moving part on which the first nozzle is disposed, at least a portion of the vertical moving part being movably disposed in a vertical direction to adjust a position of the first nozzle in the vertical direction; a first horizontal moving part on which the vertical moving part is disposed, at least a portion of the first horizontal moving part being movably disposed in a horizontal direction to adjust a position of the first nozzle in the horizontal direction.

Further, vertical removal portion includes vertical accommodate the lead screw, vertical regulation seat and vertical guide bar, vertical accommodate the lead screw rotationally sets up, vertical accommodate the lead screw with vertical regulation seat threaded connection, in order to drive vertical regulation seat goes up and down, vertical guide bar wears to establish on the vertical regulation seat, in order to right vertical regulation seat leads, first nozzle sets up on the vertical regulation seat.

Further, first horizontal migration portion includes the mount pad, horizontal adjustment lead screw, level (l) ing seat and slide rail, the level adjustment lead screw rotationally sets up on the mount pad, the level adjustment lead screw with level (l) ing seat threaded connection, in order to drive level (l) ing seat horizontal migration, the slide rail sets up on the mount pad, the slide rail with spout cooperation on the level (l) ing seat, in order to right the level (l) ing seat leads, vertical migration portion sets up on the level (l) ing seat.

Further, the first horizontal moving portion is configured to adjust a position of the first nozzle in a first horizontal direction, and the first adjustment mechanism further includes: a second horizontal moving part on which the first horizontal moving part is disposed, at least a portion of the second horizontal moving part being movably disposed to adjust a position of the first nozzle in a second horizontal direction perpendicular to the first horizontal direction.

Further, the first purge device includes: the air knife is provided with a cavity, a shell of the air knife is provided with a plurality of arranged blowing holes, and the plurality of blowing holes are communicated with the cavity; and the air blower is communicated with the cavity of the air knife.

Further, the second purging device includes a second adjusting mechanism and a second nozzle disposed on the second adjusting mechanism, the second nozzle being configured to blow off excess coating material on the product, at least a portion of the second adjusting mechanism being movably disposed to adjust a position of the second nozzle.

Further, the drying apparatus includes: the heat insulation box is provided with a hot air cavity and a drying groove, the side wall of the drying groove is provided with a plurality of hot air holes, the plurality of hot air holes are communicated with the hot air cavity, and the plurality of hot air holes are used for blowing hot air to the product; the hot air blower is communicated with the hot air cavity and is used for supplying hot air to the hot air cavity.

Further, the conveyor line includes: the two parallel conveyer belts are used for conveying the products; and the width adjusting mechanism is connected with the two conveying belts and is used for adjusting the distance between the two conveying belts.

Further, the spray coating device further comprises: a shield covering the first purging device, the spraying device, the second purging device and the drying device, the shield having a plurality of openings thereon; the protective door is arranged at the opening and can be opened and closed to open or close the opening, the protective doors are multiple and are in one-to-one correspondence with the openings.

The technical scheme of the invention is applied to provide spraying equipment, which comprises a conveying line, and a first blowing device, a spraying device, a second blowing device and a drying device which are sequentially arranged along the conveying direction of the conveying line, wherein the conveying line is used for conveying a product to be sprayed; the first blowing device is used for blowing air to the products on the conveying line so as to blow off residues on the products; the spraying device comprises a first adjusting mechanism and a first nozzle arranged on the first adjusting mechanism, the first nozzle is used for spraying coating to a product, and at least one part of the first adjusting mechanism is movably arranged so as to adjust the position of the first nozzle; the second blowing device is used for blowing air to the product after spraying so as to blow off redundant paint on the product; the drying device is used for drying the coating on the product. By adopting the scheme, the automatic conveying, purging, spraying and drying of products such as a heat exchanger can be realized, so that manual operation can be replaced, the production efficiency is improved, the contact between personnel and harmful gas is avoided or reduced, and the health of the personnel is ensured. Moreover, the position of the first nozzle can be adjusted, so that the device can be suitable for different products and the universality is improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of a spray coating device provided by an embodiment of the present invention;

FIG. 2 shows a top view of the spray coating device of FIG. 1;

FIG. 3 shows a schematic view of a part of the structure in the spray coating device of FIG. 1;

FIG. 4 shows a schematic view of the air knife of FIG. 1;

FIG. 5 shows a schematic view of a spray device in the spray apparatus of FIG. 1;

fig. 6 shows a schematic view of a second purging device in the spray equipment of fig. 1.

Wherein the figures include the following reference numerals:

10. a conveying line; 20. a first sweeping device; 21. an air blowing hole; 30. a spraying device; 31. a first nozzle; 32. a vertical moving section; 321. a vertical adjusting screw rod; 322. a vertical adjusting seat; 323. a vertical guide bar; 33. a first horizontal moving section; 331. a mounting seat; 332. a horizontal adjusting screw rod; 333. a horizontal adjusting seat; 334. a slide rail; 34. a second horizontal moving section; 40. a second purging device; 41. a second adjustment mechanism; 42. a second nozzle; 50. a drying device; 61. a shield; 62. protecting the door; 63. a frame; 64. a recovery tank.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in the drawings, an embodiment of the present invention provides a spraying apparatus, including a conveying line 10, and a first purging device 20, a spraying device 30, a second purging device 40, and a drying device 50, which are sequentially arranged along a conveying direction of the conveying line 10, wherein the conveying line 10 is used for conveying a product to be sprayed; the first blowing device 20 is used for blowing air to the products on the conveying line 10 so as to blow off residues on the products; the spray coating device 30 comprises a first adjusting mechanism and a first nozzle 31 arranged on the first adjusting mechanism, the first nozzle 31 is used for spraying coating on the product, and at least one part of the first adjusting mechanism is movably arranged to adjust the position of the first nozzle 31; the second blowing device 40 is used for blowing air to the product after passing through the spraying device 30 so as to blow off the redundant coating on the product; the drying device 50 is used to dry the paint on the product.

By adopting the scheme, the automatic conveying, purging, spraying and drying of products such as a heat exchanger can be realized, so that manual operation can be replaced, the production efficiency is improved, the contact between personnel and harmful gas is avoided or reduced, and the health of the personnel is ensured. Moreover, the position of the first nozzle 31 is adjustable, so that different products can be adapted, and the universality is improved. In particular, the spraying equipment can be applied to spraying of the elbow in the heat exchanger so as to prevent corrosion of the elbow.

In this embodiment, the first adjustment mechanism includes: a vertical moving part 32 on which the first nozzle 31 is disposed, at least a portion of the vertical moving part 32 being movably disposed in a vertical direction to adjust a position of the first nozzle 31 in the vertical direction; a first horizontal moving part 33, a vertical moving part 32 is provided on the first horizontal moving part 33, and at least a part of the first horizontal moving part 33 is movably provided in the horizontal direction to adjust the position of the first nozzle 31 in the horizontal direction. Thus, the position of the first nozzle 31 can be adjusted in the vertical and horizontal directions by the cooperation of the vertical moving part 32 and the first horizontal moving part 33, so that the first nozzle 31 corresponds to a position of the product to be sprayed.

In this embodiment, the vertical moving portion 32 includes a vertical adjusting screw rod 321, a vertical adjusting seat 322 and a vertical guide rod 323, the vertical adjusting screw rod 321 is rotatably disposed, the vertical adjusting screw rod 321 is in threaded connection with the vertical adjusting seat 322 to drive the vertical adjusting seat 322 to go up and down, the vertical guide rod 323 is disposed on the vertical adjusting seat 322 to guide the vertical adjusting seat 322, and the first nozzle 31 is disposed on the vertical adjusting seat 322. Adopt this scheme accessible to rotate vertical adjusting screw 321 and drive vertical adjusting seat 322 and go up and down to drive the first nozzle 31 on the vertical adjusting seat 322 and go up and down. The vertical adjustment base 322 may be guided by the vertical guide bar 323 to allow the vertical adjustment base 322 to move smoothly. Wherein, the vertical adjusting screw rod 321 can be driven by a motor or manually rotated.

In this embodiment, the first horizontal moving portion 33 includes a mounting seat 331, a horizontal adjusting screw rod 332, a horizontal adjusting seat 333, and a slide rail 334, the horizontal adjusting screw rod 332 is rotatably disposed on the mounting seat 331, the horizontal adjusting screw rod 332 is in threaded connection with the horizontal adjusting seat 333 to drive the horizontal adjusting seat 333 to move horizontally, the slide rail 334 is disposed on the mounting seat 331, the slide rail 334 is engaged with a sliding groove on the horizontal adjusting seat 333 to guide the horizontal adjusting seat 333, and the vertical moving portion 32 is disposed on the horizontal adjusting seat 333. Thus, the horizontal adjusting seat 333 can be driven to move in the horizontal direction by rotating the horizontal adjusting screw 332, so as to drive the first nozzle 31 to move in the horizontal direction. Furthermore, the sliding rail 334 is engaged with the sliding groove of the horizontal adjusting seat 333 to guide the horizontal adjusting seat 333 and to make the horizontal adjusting seat 333 move smoothly.

Further, the first horizontal moving portion 33 is for adjusting the position of the first nozzle 31 in the first horizontal direction, and the first adjusting mechanism further includes: and a second horizontal moving part 34, the first horizontal moving part 33 being provided on the second horizontal moving part 34, at least a portion of the second horizontal moving part 34 being movably provided to adjust the position of the first nozzle 31 in a second horizontal direction, the second horizontal direction being perpendicular to the first horizontal direction. The arrangement improves the position adjusting range of the first nozzle 31 in the horizontal direction so as to adapt to products with different sizes and improve the universality.

In the present embodiment, the first purge device 20 includes: the air knife is provided with a cavity, the shell of the air knife is provided with a plurality of arranged air blowing holes 21, and the air blowing holes 21 are communicated with the cavity; and the air blower is communicated with the cavity of the air knife. Thus, the product can be blown through the plurality of blowing holes 21 on the air knife to remove residual water or impurities on the product. This ensures drying and cleaning of the product for subsequent spraying.

Optionally, the air knife includes the body and the protrusion setting toper structure on the body has the toper cavity in the toper structure, and the toper cavity communicates with the cavity of body, and the pointed end of toper structure is provided with the hole of blowing, and the toper structure is a plurality of, and a plurality of toper structures are arranged and are set up, and the air-blower communicates with the body. Therefore, the air flow can be guided through the conical cavity of the conical structure, and the air flow is conveniently and intensively discharged from the air blowing hole.

In this embodiment, the second purging device 40 includes a second adjusting mechanism 41 and a second nozzle 42 provided on the second adjusting mechanism 41, the second nozzle 42 being used for blowing off excess paint on the product, and at least a part of the second adjusting mechanism 41 being movably provided to adjust the position of the second nozzle 42. Therefore, the position of the second nozzle 42 can be adjusted through the second adjusting mechanism 41 so as to adapt to products with different sizes and improve the universality.

In the present embodiment, the structure of the second adjustment mechanism may be set to be the same as that of the first adjustment mechanism.

In the present embodiment, the drying device 50 includes: the heat insulation box is provided with a hot air cavity and a drying groove, the side wall of the drying groove is provided with a plurality of hot air holes, the plurality of hot air holes are communicated with the hot air cavity, and the plurality of hot air holes are used for blowing hot air to the product; the hot air blower is communicated with the hot air cavity and used for supplying hot air to the hot air cavity. Therefore, hot air can be blown to the product through the plurality of hot air holes in the drying groove so as to dry the coating on the product. Can concentrate the collection and keep warm to the hot-blast of air heater production through setting up the insulation can, avoid the heat to give off too fast, improve the stoving effect. The drying device 50 may be provided in plurality to improve the drying effect. Wherein, the hot wind is wind higher than the preset temperature.

In the present embodiment, the conveyor line 10 includes: the two parallel conveyer belts are used for conveying products; and the width adjusting mechanism is connected with the two conveying belts and is used for adjusting the distance between the two conveying belts. By adopting the scheme, the distance between the two conveying belts can be adjusted through the width adjusting mechanism, so that the conveying line 10 can adapt to products with different sizes, and the universality is improved.

Optionally, the width adjusting mechanism includes a first seat, a second seat and a width adjusting screw, the first seat and the second seat are respectively connected to the two conveyor belts, the width adjusting screw is connected to at least one of the first seat and the second seat through a screw, and the distance between the first seat and the second seat is adjusted by rotating the width adjusting screw.

In this embodiment, the spray coating device further comprises: a shield 61, the shield 61 covering the first blowing device 20, the spraying device 30, the second blowing device 40 and the drying device 50, the shield 61 having a plurality of openings; the protective doors 62 are provided at the openings, the protective doors 62 are provided to be openable and closable so as to open or close the openings, the protective doors 62 are plural, and the plurality of protective doors 62 are provided in one-to-one correspondence with the plurality of openings. The protective cover 61 can play a role in protection, and the influence on the health of workers caused by harmful gas dispersion is avoided. Wherein the opening is accessible for viewing and manipulation, and is closable during normal operation by a shutter 62.

Optionally, the spraying equipment further comprises a frame 63 and a recovery tank 64, the conveying line 10, the first purging device 20, the spraying device 30, the second purging device 40 and the drying device 50 are all arranged on the frame 63, and the recovery tank 64 is arranged below the spraying device 30 and the second purging device 40 to recover the coating. Therefore, the arrangement of each part is convenient, the coating can be saved, and the waste is avoided.

Optionally, the spraying equipment further comprises a gas treatment system, which communicates with the cavity in the shroud 61 to collect and treat toxic and harmful gases to avoid environmental pollution.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A spraying equipment is characterized by comprising a conveying line (10), and a first blowing device (20), a spraying device (30), a second blowing device (40) and a drying device (50) which are arranged in sequence along the conveying direction of the conveying line (10),

the conveying line (10) is used for conveying products to be sprayed;

the first blowing device (20) is used for blowing air to the products on the conveying line (10) so as to blow off residues on the products;

the spraying device (30) comprises a first adjusting mechanism and a first nozzle (31) arranged on the first adjusting mechanism, the first nozzle (31) is used for spraying the coating on the product, and at least one part of the first adjusting mechanism is movably arranged so as to adjust the position of the first nozzle (31);

the second blowing device (40) is used for blowing air to the product after passing through the spraying device (30) so as to blow off the redundant coating on the product;

the drying device (50) is used for drying the coating on the product.

2. The spray coating device of claim 1 wherein said first adjustment mechanism comprises:

a vertical moving part (32), on which the first nozzle (31) is provided, at least a part of the vertical moving part (32) being movably provided in a vertical direction to adjust a position of the first nozzle (31) in the vertical direction;

a first horizontal moving portion (33), the vertical moving portion (32) being provided on the first horizontal moving portion (33), at least a part of the first horizontal moving portion (33) being movably provided in a horizontal direction to adjust a position of the first nozzle (31) in the horizontal direction.

3. The coating device according to claim 2, wherein the vertical moving portion (32) comprises a vertical adjusting screw rod (321), a vertical adjusting seat (322), and a vertical guide rod (323), the vertical adjusting screw rod (321) is rotatably disposed, the vertical adjusting screw rod (321) is in threaded connection with the vertical adjusting seat (322) to drive the vertical adjusting seat (322) to ascend and descend, the vertical guide rod (323) is arranged on the vertical adjusting seat (322) in a penetrating manner to guide the vertical adjusting seat (322), and the first nozzle (31) is disposed on the vertical adjusting seat (322).

4. The coating device according to claim 2, wherein the first horizontal moving portion (33) includes a mounting base (331), a horizontal adjusting screw rod (332), a horizontal adjusting base (333), and a slide rail (334), the horizontal adjusting screw rod (332) is rotatably disposed on the mounting base (331), the horizontal adjusting screw rod (332) is in threaded connection with the horizontal adjusting base (333) to drive the horizontal adjusting base (333) to move horizontally, the slide rail (334) is disposed on the mounting base (331), the slide rail (334) is engaged with a slide groove on the horizontal adjusting base (333) to guide the horizontal adjusting base (333), and the vertical moving portion (32) is disposed on the horizontal adjusting base (333).

5. A spray device according to claim 2, wherein the first horizontal moving part (33) is adapted to adjust the position of the first nozzle (31) in a first horizontal direction, the first adjusting mechanism further comprising:

a second horizontal moving portion (34), the first horizontal moving portion (33) being provided on the second horizontal moving portion (34), at least a part of the second horizontal moving portion (34) being movably provided to adjust a position of the first nozzle (31) in a second horizontal direction, the second horizontal direction being perpendicular to the first horizontal direction.

6. A spraying device according to claim 1, characterized in that the first sweeping means (20) comprises:

the air knife is provided with a cavity, a shell of the air knife is provided with a plurality of arranged air blowing holes (21), and the air blowing holes (21) are communicated with the cavity;

and the air blower is communicated with the cavity of the air knife.

7. A spray device according to claim 1, characterized in that the second purging means (40) comprises a second adjusting mechanism (41) and a second nozzle (42) arranged on the second adjusting mechanism (41), the second nozzle (42) being adapted to blow off excess coating material from the product, at least a part of the second adjusting mechanism (41) being movably arranged to adjust the position of the second nozzle (42).

8. A spraying device according to claim 1, characterized in that said drying means (50) comprise:

the heat insulation box is provided with a hot air cavity and a drying groove, the side wall of the drying groove is provided with a plurality of hot air holes, the plurality of hot air holes are communicated with the hot air cavity, and the plurality of hot air holes are used for blowing hot air to the product;

the hot air blower is communicated with the hot air cavity and is used for supplying hot air to the hot air cavity.

9. The spraying apparatus according to claim 1, characterized in that the conveyor line (10) comprises:

the two parallel conveyer belts are used for conveying the products;

and the width adjusting mechanism is connected with the two conveying belts and is used for adjusting the distance between the two conveying belts.

10. The spray coating device of claim 1 further comprising:

a hood (61), the hood (61) covering the first purging device (20), the spraying device (30), the second purging device (40) and the drying device (50), the hood (61) having a plurality of openings thereon;

the protective door (62) is arranged at the opening, the protective door (62) can be opened and closed to open or close the opening, the protective doors (62) are multiple, and the protective doors (62) are arranged in one-to-one correspondence with the openings.