CN114985181A - Paint spraying and drying production line - Google Patents

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 is intersected 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 wide. The greater the heat exchanger length, the greater the distance between the two conveying units is adjusted.

Description

Paint spraying and drying production line

Technical Field

The invention relates to the technical field of spraying production lines, in particular to a paint spraying and drying production line.

Background

In the process of producing the heat exchanger, paint is required to be sprayed on the surface of the heat exchanger, drying treatment is required to be carried out 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 one production line, the heat exchanger is conveyed to the drying station from the paint spraying station by utilizing conveying parts such as a conveying belt, and finally the heat exchanger is output out of the production line. But the heat exchanger specification that this kind of mode was adapted is more single, and application scope is less.

Disclosure of Invention

The invention provides a paint spraying and drying production line, which can be suitable for heat exchangers with different lengths and has a wider application range, aiming at the problem that a paint spraying station and a drying station are designed on the same production line and have a smaller application range.

A paint spraying and drying production line comprises:

a paint spraying station:

a drying station;

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 is intersected 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 with the heat exchanger from the station of spraying paint, promotes machining efficiency. And because at least one conveying unit can move in the first direction relative to the other conveying unit, in other words, the distance between the two conveying units can be adjusted, the heat exchanger with different lengths can be adapted, and the application range is wide. The greater the heat exchanger length, the greater the distance 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 two conveying units which can move relatively, and the adjusting direction of the movement adjusting unit is consistent with the first direction.

In one embodiment, 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 which can move relatively is directly or indirectly connected with a nut of the screw nut structure, the other one of the two conveying units 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 mobile adjusting unit comprises two lead screw nut structures which are arranged at intervals in the conveying direction of the conveying unit;

the movable 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 drying production line further comprises a base, each conveying unit is arranged on the base, at least one of the two relatively movable conveying units is in sliding fit with the base, and the 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 block is provided with two limiting parts arranged at intervals along the guiding direction of the guide rail, and the two limiting parts are respectively limited on two sides of the conveying unit.

In one embodiment, the paint spraying station is provided with a paint sprayer and an oil receiving groove, the spraying range of the paint sprayer covers a workpiece to be machined on a conveying unit passing through the paint spraying station, and the oil receiving groove is located below the paint sprayer.

In one embodiment, the drying station is provided with a drying device and a shielding cover, the conveying unit is shielded by the shielding cover, workpieces to be processed which are positioned on the drying station are shielded by the shielding cover, 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 guide assembly is arranged in the drying space, the air inlet and guide assembly is provided with a hot air inlet and a hot air outlet which 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 device is characterized in that a return air guide assembly is arranged in the drying space, 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 device.

In one embodiment, the hot air outlet is in a strip shape and faces the conveying unit;

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

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification.

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

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

FIG. 2 is a system diagram of the painting drying line shown in FIG. 1 after hiding a part of the structure;

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

FIG. 4 is a schematic structural view of a base and conveying unit assembly according to the present embodiment;

FIG. 5 is a schematic structural diagram of a 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.

Description of reference numerals:

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

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

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

The workpiece to be processed can be sprayed with paint at the paint spraying station 11, and can be dried at the drying station 12. Each of the conveying units 13 is at least partially arranged between the painting station 11 and the drying station 12, and is used for conveying the workpiece to be processed from the painting station 11 to the drying station 12. Specifically, 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 paint station 11 is provided with a paint spray head 111, and a spraying range of the paint spray head 111 covers a workpiece to be processed passing through the paint station 11. As shown in fig. 1 and fig. 2, the drying station 12 is provided with a drying device 121, and the drying device 121 is configured to dry a workpiece to be processed at the drying station 12.

As shown in fig. 3 and 4, the conveying units 13 are arranged at intervals in sequence along a first direction, the first direction intersects with the conveying direction of the conveying units 13, and at least one conveying unit 13 is movable relative to another conveying unit 13 in the first direction.

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

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

In particular, in an embodiment, said conveying unit 13 comprises a conveying chain. The conveying chains are arranged at intervals in sequence along the first direction, the first direction is intersected with the conveying direction of the conveying chains, and at least one conveying chain can move in the first direction relative to the other conveying chain.

The workpiece to be processed can be placed between the two relatively movable conveying chains, and the distance between the two conveying chains can be adjusted according to the length of the workpiece to be processed in the first direction.

Specifically, in one 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 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 relatively movable conveying units 13 is in sliding fit with the base 14, and the sliding direction is consistent 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 the same as the first direction.

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

Alternatively, as shown in fig. 3 and 4, the paint drying line 10 further includes a movement adjusting unit 15, the movement adjusting unit 15 acts between the two conveying units 13 which can move relatively, and the adjusting direction of the movement adjusting unit 15 is consistent with the first direction.

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

Further specifically, in some embodiments, as shown in fig. 3-5, the movement adjustment unit 15 includes a lead screw nut structure and a rotary drive 153. The rotary driving member 153 is in transmission fit with the screw rod 151 of the screw-nut structure, one of the two conveying units 13 capable of moving relatively is directly or indirectly connected with the nut 152 of the screw-nut structure, the other one 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 conveying chains is directly or indirectly connected with the nut 152 of the screw-nut arrangement and the other is directly or indirectly connected with the screw 151 of the screw-nut arrangement.

The rotary driving member 153 operates and 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 further, 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 lead screw 151 is disposed on the base 14, when the rotary driving element 153 rotates, the lead screw 151 rotates, and the nut 152 cannot rotate and then moves axially along the lead screw 151 due to the limitation of the conveying unit 13. 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 conveying units 13 which can move relatively is directly or indirectly connected with the fixed part of the hydraulic unit, and the other is directly or indirectly connected with the telescopic rod of the hydraulic unit.

Further, as shown in fig. 3 and 4, in some embodiments, the movement adjusting unit 15 includes two lead screw nut structures, and the two lead screw nut structures are arranged at intervals in the conveying direction of the conveying unit 13. The transport unit 13 is generally of a relatively large length in the transport direction, on the basis of which at least two spindle nut arrangements are provided for acting on the transport unit 13, so that the individual parts of the transport unit 13 can be moved 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 rotary driving member 153 and each of the lead screws 151 to transmit the rotation of the rotary driving member 153 to each of the lead screws 151. The rotary driving member 153 drives the two lead screws 151 to rotate synchronously through the transmission assembly 154.

Specifically, in some embodiments, the rotary drive 153 comprises a motor having a spindle in driving engagement with the lead 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 that is wound between the rotary drive 153 and each of the lead screws 151.

Further, in one embodiment, as shown in fig. 3 and 4, a plurality of guide rails 141 are provided on the base 14, and the plurality of guide rails 141 are sequentially arranged at intervals along the conveying direction of the conveying unit 13. The guiding direction of each of the guide rails 141 is the same as the first direction, a slider 142 capable of sliding along the guide rail 141 is disposed on each of the guide rails 141, and the conveying unit 13 is disposed on each of the sliders 142.

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

As shown in fig. 5, the nut 152 of the screw-nut structure may further include 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. When the nut 152 moves along the axial direction of the screw 151, the stopper 143 carries the guide rail 141.

Further, as shown in fig. 3 and 4, in an 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 spraying head 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 fig. 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 on the conveying unit 13 at the drying station 12. An 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 quickly.

Specifically, as shown in fig. 1 to 3, an air intake and guide assembly 123 is disposed in the drying space, the air intake and guide assembly 123 has a hot air inlet 1231 and a hot air outlet 1232 that are communicated with each other, the hot air inlet 1231 is communicated with an 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 guided 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 led in by the air inlet and guide assembly 123 can be blown to the workpiece to be processed at a high flow rate, and the drying efficiency is improved.

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

And air obtained after the paint on the surface of the workpiece is dried in the drying space flows back to the drying equipment 121 through the return air guide assembly 124.

Specifically, as shown in fig. 3, in one embodiment, the inlet air guide assembly 123 is at least partially located below the return air guide assembly 124. The air inlet and guide assembly 123 has a plurality of hot air inlets 1231, a part of the air inlet and guide assembly 123 for enclosing the hot air inlets 1231 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 and guide assembly 124.

The hot air outlet 1232 of the air inlet guiding assembly 123 is located below the air return guiding assembly 124, and the hot air inlet penetrates through the top wall of the air return guiding assembly 124 and is communicated with the air outlet 1211 of the drying device 121.

As shown in fig. 3, the air intake and guiding assembly 123 is provided with four hot air inlets 1231, that is, four hot air inlet portions. The four hot air inlet parts are sequentially arranged at intervals along the conveying direction of the conveying unit 13, wherein two hot air inlet parts positioned in the middle penetrate through the top wall of the return air guide assembly 124, and the other two hot air inlet parts are respectively positioned 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 is to be understood that the terms "central," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

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

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the second feature or the first and second features may be indirectly contacting each other through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" 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 as used herein are for illustrative purposes only and do not denote a unique embodiment.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims (10)

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

paint spraying station:

a drying station;

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 is intersected 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.

2. Paint drying line according to claim 1, characterised in that it further comprises a mobile adjustment unit acting between the two conveyor units that are relatively movable, the adjustment direction of the mobile adjustment unit coinciding with the first direction.

3. The paint spraying drying production line according to claim 2, characterized in that the moving 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 relatively movable conveying units is directly or indirectly connected with a nut of the screw nut structure, the other one 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. The paint drying line according to claim 3, wherein the mobile adjusting unit comprises two lead screw nut structures which are arranged at intervals in the conveying direction of the conveying unit;

the movable 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.

5. The paint drying line according to any one of claims 1 to 4, further comprising a base, wherein each of the conveying units is disposed on the base, at least one of the two relatively movable conveying units is slidably engaged with the base, and a sliding direction of the at least one conveying unit is consistent with the first direction.

6. The paint spraying drying production line according to claim 5, characterized in that 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, a sliding block capable of sliding along the guide rail is arranged on each guide rail, the conveying unit is arranged on each sliding block, two limiting parts are arranged on the sliding blocks at intervals along the guiding direction of the guide rails, and the two limiting parts are respectively limited on two sides of the conveying unit.

7. The paint spraying drying production line according to any one of claims 1 to 4, characterized in that the paint spraying station is provided with a paint sprayer and an oil receiving groove, the spraying range of the paint sprayer 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 sprayer.

8. The paint spraying and drying production line according to any one of claims 1 to 4, wherein the drying station is provided with a drying device and a shielding cover, the shielding cover shields the workpieces to be processed 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.

9. The paint spraying drying production line according to claim 8, wherein an air inlet guide assembly is arranged in the drying space, the air inlet guide assembly is provided with a hot air inlet and a hot air outlet which 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 device is characterized in that a return air guide assembly is arranged in the drying space, 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 device.

10. The paint spraying drying production line according to claim 9, wherein the hot air outlet is in a strip shape and faces the conveying unit;

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

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