CN114985181B

CN114985181B - Paint spraying and drying production line

Info

Publication number: CN114985181B
Application number: CN202210538729.9A
Authority: CN
Inventors: 陈良森; 马鹰; 王鹏鹏; 鲁鹏; 伞继伟; 石怿杰
Original assignee: Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Current assignee: Gree Intelligent Equipment Wuhan Co ltd; Gree Electric Appliances Inc of Zhuhai; Zhuhai Gree Intelligent Equipment Co Ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2023-05-30
Anticipated expiration: 2042-05-18
Also published as: CN114985181A

Abstract

The invention relates to a paint spraying and drying production line, which comprises a paint spraying station, a drying station and at least two conveying units. Each conveying unit is at least partially arranged between the paint spraying station and the drying station, the conveying units are sequentially arranged at intervals along a first direction, the first direction intersects with the conveying direction of the conveying units, and at least one conveying unit can move relative to the other conveying unit in the first direction. In other words, the distance between the two conveying units can be adjusted, so that the heat exchanger can adapt to heat exchangers with different lengths, and the application range is wider. The larger the heat exchanger length, the larger the spacing between the two conveying units is adjusted.

Description

Paint spraying and drying production line

Technical Field

The invention relates to the technical field of spray coating production lines, in particular to a spray painting and drying production line.

Background

In the process of producing the heat exchanger, paint needs to be sprayed on the surface of the heat exchanger, drying treatment is needed after the paint is sprayed, and finally the dried heat exchanger is output. In order to improve the processing efficiency, the paint spraying station and the drying station can be designed on a production line, the heat exchanger is conveyed to the drying station from the paint spraying station by utilizing conveying components such as a conveying belt and the like, and finally the heat exchanger is output from the production line. However, the heat exchanger suitable for the mode has single specification and smaller application range.

Disclosure of Invention

Aiming at the problem that the application range is small when the paint spraying station and the drying station are designed on one production line, the invention provides a paint spraying and drying production line which can adapt to heat exchangers with different lengths and has a wide application range.

A paint spray drying production line comprising:

and (3) a paint spraying station:

a drying station;

and at least two conveying units, wherein each conveying unit is at least partially arranged between the paint spraying station and the drying station, the conveying units are sequentially arranged at intervals along a first direction, the first direction intersects with the conveying direction of the conveying units, and at least one conveying unit can move relative to the other conveying unit in the first direction.

Above-mentioned scheme provides a stoving production line sprays paint, can be used for processing the heat exchanger, carries the stoving station from the station of spraying paint with the heat exchanger, promotes machining efficiency. On the basis that at least one conveying unit can move relative to the other conveying unit in the first direction, in other words, the distance between the two conveying units can be adjusted, so that the heat exchangers with different lengths can be adapted, and the application range is wider. The larger the heat exchanger length, the larger the spacing between the two conveying units is adjusted.

In one embodiment, the device further comprises a movement adjusting unit, wherein the movement adjusting unit acts between the two conveying units capable of relatively moving, and the adjusting direction of the movement adjusting unit is consistent with the first direction.

In one embodiment, the moving adjusting unit comprises a screw-nut structure and a rotary driving piece, the rotary driving piece is in transmission fit with a screw of the screw-nut structure, one of the two conveying units capable of relatively moving is directly or indirectly connected with a nut of the screw-nut structure, the other conveying unit is directly or indirectly connected with a screw of the screw-nut structure, and the axial direction of the screw is consistent with the first direction.

In one embodiment, the movement adjusting unit comprises two screw nut structures, and the two screw nut structures are arranged at intervals in the conveying direction of the conveying unit;

the movement adjusting unit further comprises a transmission assembly, wherein the transmission assembly acts between the rotary driving piece and each screw rod and is used for transmitting the rotation of the rotary driving piece to each screw rod.

In one embodiment, the paint spraying and drying production line further includes a base, each of the conveying units is disposed on the base, at least one of the two conveying units that are relatively movable is slidably matched with the base, and a sliding direction is consistent with the first direction.

In one embodiment, the base is provided with a plurality of guide rails, the guide rails are sequentially arranged at intervals along the conveying direction of the conveying unit, the guiding direction of each guide rail is consistent with the first direction, each guide rail is provided with a sliding block capable of sliding along the guide rail, the conveying unit is arranged on each sliding block, the sliding blocks are provided with two limiting pieces which are arranged at intervals along the guiding direction of the guide rail, and the two limiting pieces are respectively limited at two sides of the conveying unit.

In one embodiment, the paint spraying station is provided with a paint spraying nozzle and an oil receiving groove, the spraying range of the paint spraying nozzle is covered by a to-be-processed workpiece on a conveying unit passing through the paint spraying station, and the oil receiving groove is positioned below the paint spraying nozzle.

In one embodiment, the drying station is provided with a drying device and a shielding cover, the shielding cover shields the to-be-processed workpiece positioned on the conveying unit at the drying station, and an air outlet of the drying device is communicated with a drying space shielded by the shielding cover.

In one embodiment, an air inlet and an air outlet are arranged in the drying space, the air inlet and the air outlet are communicated with each other, the air inlet is communicated with an air outlet of the drying device, and the air outlet is communicated with the drying space;

the drying space is internally provided with a return air guide assembly, the return air guide assembly is provided with a return air inlet and a return air outlet which are communicated with each other, the return air inlet is communicated with the drying space, and the return air outlet is communicated with a return air inlet of the drying equipment.

In one embodiment, the hot air outlet is strip-shaped, and the hot air outlet faces the conveying unit;

and/or, the air inlet wind guide assembly is at least partially positioned below the air return wind guide assembly, the air inlet wind guide assembly is provided with a plurality of hot air inlets, the part, which is used for enclosing the hot air inlets, in the air inlet wind guide assembly is a hot air inlet part, and at least part of the hot air inlet part is inserted into the top wall of the air return wind guide assembly.

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 invention.

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a system diagram of a paint spraying and drying production line according to the embodiment;

FIG. 2 is a system diagram of the structure of the hidden part of the paint spraying and drying production line shown in FIG. 1;

FIG. 3 is an exploded view of the paint spraying and drying line according to the embodiment;

fig. 4 is a schematic view showing the structure of the combination of the base and the conveying unit according to the present embodiment;

fig. 5 is a schematic structural view of the screw nut structure according to the present embodiment;

fig. 6 is a schematic structural diagram of the combination of the rotary driving member and the transmission assembly according to the present embodiment.

Reference numerals illustrate:

10. a paint spraying and drying production line; 11. a paint spraying station; 111. a paint spray head; 112. an oil receiving groove; 12. a drying station; 121. a drying device; 1211. an air outlet; 1212. an air return port; 122. a shielding cover; 123. an air inlet and guide assembly; 1231. a hot air inlet; 1232. a hot air outlet; 124. a return air guide assembly; 1241. a return air outlet; 13. a conveying unit; 14. a base; 141. a guide rail; 142. a slide block; 143. a limiting piece; 15. a movement adjusting unit; 151. a screw rod; 152. a nut; 153. a rotary driving member; 154. a transmission assembly; 20. a heat exchanger.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.

As shown in fig. 1 to 4, in one embodiment, a paint spray drying line 10 is provided, comprising a paint spray station 11, a drying station 12 and at least two conveying units 13.

The workpiece to be processed can be painted at the paint spraying station 11 and can be dried at the drying station 12. Each of the conveying units 13 is arranged at least partially between the painting station 11 and the drying station 12 for conveying workpieces to be processed from the painting station 11 to the drying station 12. In particular, the paint spraying and drying production line 10 can be used for processing the heat exchanger 20, and the conveying unit 13 conveys the heat exchanger 20 from the paint spraying station 11 to the drying station 12, so that the processing efficiency is improved.

As shown in fig. 3 and 4, the painting station 11 is provided with a paint spray head 111, and the spraying range of the paint spray head 111 covers the workpiece to be processed passing through the painting station 11. As shown in fig. 1 and 2, the drying station 12 is provided with a drying device 121, and the drying device 121 is used for drying the workpiece to be processed at the drying station 12.

As shown in fig. 3 and 4, the respective conveying units 13 are sequentially arranged at intervals along a first direction intersecting with a conveying direction of the conveying units 13, at least one of the conveying units 13 being movable in the first direction with respect to the other conveying unit 13.

In other words, the distance between the two conveying units 13 is adjustable, so that the paint spraying and drying production line 10 can adapt to heat exchangers 20 with different lengths, and the application range is wider. The larger the length of the heat exchanger 20, the larger the spacing between the two conveying units 13 is adjusted.

As shown in fig. 3, the direction indicated by an arrow F1 is the conveying direction of the conveying unit 13, and the direction indicated by an arrow F2 is the first direction.

Specifically, in one embodiment, the conveying unit 13 includes a conveying chain. Each conveying chain is sequentially arranged at intervals along the first direction, the first direction is intersected with the conveying direction of the conveying chain, and at least one conveying chain can move relative to the other conveying chain in the first direction.

The to-be-machined piece can be placed between the two conveying chains capable of moving relatively, and the distance between the two conveying chains can be adjusted according to the length of the to-be-machined piece in the first direction.

Specifically, in an embodiment, the first direction is perpendicular to the conveying direction of the conveying unit 13.

As shown in fig. 3 and 4, in some embodiments, the paint spraying and drying line 10 further includes a base 14, and each of the conveying units 13 is disposed on the base 14. At least one of the two conveying units 13 which are relatively movable is slidably engaged with the base 14, and the sliding direction coincides with the first direction.

Specifically, in one embodiment, each of the conveying chains is disposed on the base 14, at least one of the two conveying chains that are relatively movable is slidably engaged with the base 14, and the sliding direction is consistent with the first direction.

When the distance between the two conveying units 13 needs to be adjusted, the conveying chain slides relative to the base 14. For example, the operator moves one of the conveying units 13 in the first direction, so that the distance between the two relatively movable conveying units 13 changes.

Alternatively, as shown in fig. 3 and 4, the paint spraying and drying line 10 further includes a movement adjusting unit 15, the movement adjusting unit 15 acts between the two conveying units 13 that are relatively movable, and an adjusting direction of the movement adjusting unit 15 coincides with the first direction.

The movement adjusting unit 15 is operated to adjust the interval between the two conveying units 13. In particular in one embodiment, the movement adjustment unit 15 acts between two of the conveyor chains that are relatively movable.

Further specifically, in some embodiments, as shown in fig. 3 to 5, the movement adjusting unit 15 includes a lead screw nut structure and a rotation driving member 153. The rotation driving member 153 is in driving fit with the screw rod 151 of the screw-nut structure, one of the two conveying units 13 capable of relatively moving is directly or indirectly connected with the nut 152 of the screw-nut structure, the other conveying unit is directly or indirectly connected with the screw rod 151 of the screw-nut structure, and the axial direction of the screw rod 151 is consistent with the first direction.

One of the two relatively movable conveyor chains is directly or indirectly connected to the screw 152 of the screw-nut structure, and the other is directly or indirectly connected to the screw 151 of the screw-nut structure.

The rotation driving member 153 rotates to drive the screw rod 151 to rotate, so that the nut 152 moves along the axial direction of the screw rod 151, and the distance between the two conveying units 13 acted by the movement adjusting unit 15 changes.

As shown in fig. 3 and 4, in some embodiments, the screw 151 is provided on the base 14, and when the rotation driving member 153 rotates, the screw 151 rotates, and the nut 152 is limited by the conveying unit 13 and cannot rotate and then moves axially along the screw 151. The conveying unit 13 is slidably engaged with the base 14, and the conveying unit 13 slides relative to the base 14 under the driving of the nut 152.

Alternatively, in other embodiments, the movement adjusting unit 15 may be other devices capable of adjusting the distance between two components, such as a hydraulic unit. One of the two said conveying units 13, which can move relative to each other, is connected directly or indirectly to a fixed part of the hydraulic unit, and the other is connected directly or indirectly to a telescopic rod of the hydraulic unit.

Further, as shown in fig. 3 and 4, in some embodiments, the movement adjusting unit 15 includes two screw-nut structures, and the two screw-nut structures are spaced apart in the conveying direction of the conveying unit 13. The length of the transport unit 13 in the transport direction is generally large, on the basis of which at least two of the spindle nut structures are designed to act on the transport unit 13, so that the parts of the transport unit 13 can move synchronously.

As shown in fig. 3, 4 and 6, the movement adjusting unit 15 further includes a transmission assembly 154, and the transmission assembly 154 acts between the rotation driving member 153 and each of the screw rods 151 to transmit the rotation of the rotation driving member 153 to each of the screw rods 151. The rotation driving member 153 synchronously drives the two screw rods 151 to rotate through the transmission assembly 154.

Specifically, in some embodiments, the rotary drive 153 includes a motor whose spindle is in driving engagement with the screw 151. The transmission assembly 154 acts between the spindle of the motor and the screw 151.

As shown in fig. 3, 4 and 6, the transmission assembly 154 includes a transmission belt wound between the rotation driving member 153 and each of the screw rods 151.

Further, in one embodiment, as shown in fig. 3 and 4, the base 14 is provided with a plurality of guide rails 141, and the plurality of guide rails 141 are sequentially spaced apart along the conveying direction of the conveying unit 13. The guiding direction of each guide rail 141 is consistent with the first direction, a sliding block 142 capable of sliding along the guide rail 141 is arranged on each guide rail 141, and the conveying unit 13 is arranged on each sliding block 142.

The sliding block 142 is provided with two limiting pieces 143 which are oppositely arranged at intervals along the guiding direction of the guide rail 141, and the two limiting pieces 143 are respectively limited at two sides of the conveying unit 13. The guide rail 141 and the slider 142 move synchronously under the limiting action of the limiting member 143.

As shown in fig. 5, the nut 152 of the screw-nut structure may further be provided with two limiting members 143 disposed at intervals along the first direction, and the two limiting members 143 are respectively limited at two sides of the conveying unit 13. The stopper 143 moves with the guide rail 141 when the nut 152 moves in the axial direction of the screw 151.

Further, as shown in fig. 3 and 4, in one embodiment, the paint spraying station 11 is further provided with an oil receiving groove 112, and the oil receiving groove 112 is located below the paint sprayer 111. The paint dropped after the paint spray head 111 sprays paint is collected in the oil receiving groove 112.

Further, as shown in fig. 1 to 3, in some embodiments, the drying station 12 is further provided with a shielding cover 122, and the shielding cover 122 shields the workpiece to be processed located on the drying station 12 on the conveying unit 13. The air outlet 1211 of the drying device 121 is communicated with the drying space shielded by the shielding cover 122, and is used for delivering hot air into the drying space, so that paint on the surface of the workpiece to be processed in the drying space is dried rapidly.

Specifically, as shown in fig. 1 to 3, an air inlet guide assembly 123 is provided in the drying space, the air inlet guide assembly 123 has a hot air inlet 1231 and a hot air outlet 1232 which are communicated with each other, the hot air inlet 1231 is communicated with the air outlet 1211 of the drying device 121, and the hot air outlet 1232 is communicated with the drying space.

The hot air generated by the drying device 121 is introduced into the drying space through the air inlet guide assembly 123.

As shown in fig. 3, the hot air outlet 1232 is in a strip shape, and the hot air outlet 1232 faces the conveying unit 13. So that the hot air introduced by the air inlet and guide assembly 123 can be blown to the workpiece to be processed at a higher flow rate, thereby improving the drying efficiency.

Further, as shown in fig. 1 to 4, the drying space is provided with a return air guiding assembly 124, the return air guiding assembly 124 has a return air inlet and a return air outlet 1241 which are mutually communicated, the return air inlet is communicated with the drying space, and the return air outlet 1241 is communicated with the return air inlet 1212 of the drying device 121.

The air in the drying space after the paint on the surface of the workpiece to be processed is dried flows back to the drying device 121 through the air return and guide assembly 124.

Specifically, as shown in fig. 3, in one embodiment, the air intake and guide assembly 123 is at least partially positioned below the return air and guide assembly 124. The air inlet and guide assembly 123 has a plurality of hot air inlets 1231, and the part of the air inlet and guide assembly 123 surrounding the hot air inlets 1231 is a hot air inlet, at least a part of the hot air inlet is inserted into the top wall of the air return and guide assembly 124.

The hot air outlet 1232 of the air inlet and guide assembly 123 is located below the air return and guide assembly 124, and the hot air inlet portion penetrates through the top wall of the air return and guide assembly 124 and then communicates with the air outlet 1211 of the drying apparatus 121.

As shown in fig. 3, the air inlet guide assembly 123 is provided with four hot air inlets 1231, i.e., four hot air inlets. The four hot air inlet portions are sequentially and alternately arranged along the conveying direction of the conveying unit 13, wherein two hot air inlet portions in the middle penetrate through the top wall of the return air guide assembly 124, and the other two hot air inlet portions are respectively located at two sides of the return air guide assembly 124. The hot air outlet 1211 is located between the two outermost hot air inlet portions.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. 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 specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims

1. The utility model provides a stoving production line sprays paint which characterized in that includes:

and (3) a paint spraying station:

a drying station;

at least two conveying units, each of which is at least partially arranged between the paint spraying station and the drying station, wherein each conveying unit is sequentially arranged at intervals along a first direction, the first direction intersects with the conveying direction of the conveying unit, and at least one conveying unit can move relative to the other conveying unit in the first direction;

the drying station is provided with drying equipment and a shielding cover, the shielding cover shields the to-be-processed workpiece positioned on the conveying unit at the drying station, and an air outlet of the drying equipment is communicated with a drying space shielded by the shielding cover;

an air inlet and a hot air outlet are formed in the drying space, the air inlet and the hot air outlet are communicated with each other, the hot air inlet is communicated with an air outlet of the drying equipment, and the hot air outlet is communicated with the drying space;

the drying space is internally provided with a return air guide assembly, the return air guide assembly is provided with a return air inlet and a return air outlet which are mutually communicated, the return air inlet is communicated with the drying space, and the return air outlet is communicated with a return air inlet of the drying equipment;

the air inlet air guide assembly is at least partially positioned below the air return air guide assembly, the air inlet air guide assembly is provided with a plurality of hot air inlets, the part, which is used for enclosing the hot air inlets, in the air inlet air guide assembly is a hot air inlet part, and at least part of the hot air inlet part is inserted into the top wall of the air return air guide assembly.

2. The paint spray drying line according to claim 1, further comprising a movement adjusting unit acting between the two conveying units relatively movable, the adjustment direction of the movement adjusting unit being coincident with the first direction.

3. The paint spraying and drying production line according to claim 2, wherein the movement adjusting unit comprises a screw-nut structure and a rotary driving member, the rotary driving member is in transmission fit with a screw of the screw-nut structure, one of the two conveying units capable of relatively moving is directly or indirectly connected with a nut of the screw-nut structure, the other is directly or indirectly connected with a screw of the screw-nut structure, and the axial direction of the screw is consistent with the first direction.

4. A paint spray drying line according to claim 3, wherein the movement adjusting unit comprises two screw nut structures which are arranged at intervals in the conveying direction of the conveying unit;

5. The paint drying line according to any one of claims 1 to 4, further comprising a base on which each of the conveying units is disposed, at least one of the two conveying units being relatively movable being in sliding engagement with the base, and a sliding direction being coincident with the first direction.

6. The paint spraying and drying production line according to claim 5, wherein a plurality of guide rails are arranged on the base, the guide rails are sequentially arranged at intervals along the conveying direction of the conveying unit, the guiding direction of each guide rail is consistent with the first direction, each guide rail is provided with a sliding block capable of sliding along the guide rail, the conveying unit is arranged on each sliding block, two limiting pieces which are oppositely arranged at intervals along the guiding direction of the guide rail are arranged on each sliding block, and the two limiting pieces are respectively limited on two sides of the conveying unit.

7. The paint drying line according to any one of claims 1 to 4, wherein the paint spraying station is provided with a paint spray head and an oil receiving groove, the spray range of the paint spray head covers the workpiece to be processed on the conveying unit passing through the paint spraying station, and the oil receiving groove is positioned below the paint spray head.

8. The paint spray drying line according to any one of claims 1 to 4, wherein the hot air outlet is in a strip shape, and the hot air outlet is directed toward the conveying unit.

9. The paint spraying and drying production line according to any one of claims 1 to 4, wherein the air inlet and guiding assembly is provided with four hot air inlets, the four hot air inlets are sequentially arranged at intervals along the conveying direction of the conveying unit, two hot air inlets in the middle penetrate through the top wall of the air return and guiding assembly, and the other two hot air inlets are respectively positioned at two sides of the air return and guiding assembly.