CN219923396U - Spraying device and spraying equipment - Google Patents

Abstract

The utility model relates to a spraying device and spraying equipment, comprising a frame, a spraying bin, a conveying mechanism and a feed back mechanism. The spraying bin is arranged on the frame, an inlet and an outlet for the workpiece to pass through are arranged on two sides of the length extension direction of the spraying bin, and a spraying assembly arranged towards the workpiece is arranged on the top of the spraying bin. The spraying assembly is used for spraying the coating after atomizing and is suitable for reciprocating movement along the width direction of the spraying bin relative to the frame. The length and width directions of the spray booth are defined as a first direction and a second direction, respectively. The conveying mechanism is arranged on the frame and extends through the inlet and the outlet of the spraying bin. The spraying device is used for bearing the workpiece and driving the workpiece to displace in the length extending direction of the spraying bin. The feed back mechanism is arranged on the frame and is provided with a storage bucket communicated with the jet orifice of the spraying component. The atomized coating can be uniformly sprayed to the surface of the workpiece, so that the uniformity of the coating is improved. The spraying process is carried out in a spraying bin, so that pollution caused by overflow of paint dust is avoided, and the operation environment is improved.

Description

Spraying device and spraying equipment

Technical Field

The utility model relates to the technical field of spraying processing, in particular to a spraying device and spraying equipment.

Background

The indexable cutter product and the alloy bar product are required to be subjected to high-temperature sintering treatment in production, the product is required to be placed on a graphite plate with a specific specification in the sintering treatment, and in order to avoid carburization reaction between the product and the graphite plate, a layer of graphite-containing mixed paint is required to be coated on the surface of the graphite plate, and the paint is a black paint with high viscosity and easy precipitation.

If manual brushing is adopted, the problems of bad working environment, uneven coating thickness, incapability of standardization of the operation and the like exist, so that a spraying device needs to be developed and manufactured to solve the problems.

Disclosure of Invention

The utility model aims to provide a spraying device and spraying equipment, which are used for solving the problems in the background technology.

In order to solve the technical problems, the utility model adopts the following technical scheme.

According to one aspect of the present utility model, there is provided a spray coating device comprising: a frame; the spraying bin is arranged on the rack, an inlet and an outlet for a workpiece to pass through are formed in two sides of the length extension direction of the spraying bin, and a spraying assembly arranged towards the workpiece is arranged at the top of the spraying bin; the spraying assembly is used for spraying the atomized paint and is suitable for reciprocating movement along the width direction of the spraying bin relative to the frame; defining the length direction and the width direction of the spraying bin as a first direction and a second direction respectively; the conveying mechanism is arranged on the frame and extends through an inlet and an outlet of the spraying bin; the spraying bin is used for bearing the workpiece and driving the workpiece to displace in the length extending direction of the spraying bin; the feed back mechanism is arranged on the frame and is provided with a storage barrel communicated with the jet orifice of the spraying assembly.

According to some embodiments of the utility model, the feed back mechanism further comprises a storage bucket feed delivery pipe, a feed back pipe and a delivery pump; the input end of the conveying pipe is communicated with the storage barrel, and the output end of the conveying pipe is communicated with the spraying assembly; the input end of the feed back pipe is communicated with the spraying assembly, and the output end of the feed back pipe is communicated with the storage barrel; the delivery pump drives paint to circulate between the storage vat, the delivery tube, the spray assembly, and the return tube.

Some embodiments of the utility model further comprise a swing mechanism; the swing mechanism comprises a rotating rod and a driving assembly; the spraying assembly extends along the first direction, and the rotating rod is arranged in the spraying bin and can be rotationally connected with the spraying bin around an own axis parallel to the first direction; the spraying assembly is connected to the rotating rod; the driving assembly drives the rotating rod to rotate forward or reversely so as to drive the spraying assembly to reciprocate along the second direction.

Some embodiments of the utility model further comprise a separator; the partition board is arranged in the spraying bin, the inner space of the spraying bin is divided into an upper cavity and a lower cavity, and a swinging groove extending along the second direction is formed in the partition board; the rotating rod is arranged in the upper cavity; the spray gun is arranged in the lower cavity; the swing mechanism further comprises a swing rod, the swing rod is connected with the spray gun and the rotating rod, and the swing rod can pass through the swing groove in a reciprocating manner; a workpiece is configured to be displaced through the lower chamber in the first direction.

According to some embodiments of the utility model, the rotating rod is provided with a perforation; the upper end of the swing rod is movably arranged in the through hole in a penetrating mode so as to adjust the distance from the spray gun to the rotating rod.

According to some embodiments of the utility model, the spray assembly further comprises a first mount and a second mount; the first mounting seat is arranged in the upper cavity and fixedly connected with the rotating rod, and the first mounting seat is provided with two through holes; the second mounting seat is arranged in the lower cavity; the two swing rods are arranged in parallel at intervals, the lower ends of the two swing rods are fixedly connected to the second mounting seat, and the upper ends of the two swing rods are respectively and movably arranged in the two through holes in a penetrating mode; the spray gun is rotatably arranged on the second mounting seat and is positioned between the two swing rods.

According to some embodiments of the utility model, the driving assembly comprises a turntable, a hinge shaft, a first connecting rod, a second connecting rod and a driving piece; the rotary table is rotatably arranged in the spraying bin, an adjusting groove is formed in the rotary table, and the first end to the second end of the adjusting groove are gradually far away from the rotation center of the rotary table; the hinge shaft is movably arranged in the adjusting groove in a penetrating manner so as to adjust the eccentric distance from the hinge shaft to the rotating center of the turntable; the first end of the first connecting rod is rotatably connected with the hinge shaft, the second end of the first connecting rod is rotatably connected with the first end of the second connecting rod, and the second end of the second connecting rod is fixedly connected with the rotating rod; the driving piece drives the turntable to rotate; the driving component is arranged outside the spraying bin; one end of the rotating rod extends out of the spraying bin; the second end of the second connecting rod is fixedly connected to one end of the rotating rod extending out of the spraying bin.

Some embodiments of the utility model, the conveying mechanism comprises a driving shaft, a chain wheel, a chain and a conveying roller; the driving shaft extends along the second direction and is rotatably connected to the frame around an own axis parallel to the second direction, and two driving shafts are arranged at intervals in parallel along the first direction; the chain wheels are fixedly connected to the driving shafts, and each driving shaft is correspondingly provided with two chain wheels which are arranged at intervals in parallel along the second direction; the two chains are respectively meshed with a sprocket on one driving shaft and a sprocket on the other driving shaft, and the two chains are arranged at intervals in parallel along the second direction; the conveying rollers extend along the second direction and are rotatably connected between the two chains around the self axis parallel to the second direction, and a plurality of conveying rollers are arranged at intervals in parallel along the length direction of the chains; at least one of the driving shafts is movably connected to the frame along the first direction so as to adjust the tightness of the chain.

According to another aspect of the present utility model, there is also provided a spray coating apparatus comprising: a dust removal device and a spray device as described in any of the embodiments above; the dust removing device comprises a dust removing air pipe, a dust removing connecting pipe, a filter box and a dust removing fan; the dust removing air pipe is arranged in the spraying bin and positioned below the conveying mechanism, and a dust removing opening extending along the first direction is formed in the dust removing air pipe; the dust removing openings face the second direction, and two dust removing openings are symmetrically arranged along the second direction; the filter box is arranged outside the spraying bin, and is provided with a discharge outlet; the dust removing connecting pipe is communicated with the dust removing and dedusting air pipe and the filter box; the dust removing fan drives the paint in the spraying bin to enter the dust removing air pipe, the dust removing connecting pipe and the filter box through the dust removing opening, and the paint is filtered by the filter box and then discharged from the discharge opening.

Some embodiments of the utility model further comprise: the in-place sensor, the controller and the spray assemblies are arranged in the tank; the in-place sensor is used for detecting the position of the workpiece and sending an in-place signal when the workpiece is positioned at a preset position; the controller is used for receiving the in-place signal and controlling the spraying assembly to spray the surface of the workpiece according to the in-place signal; each spraying assembly is arranged at the top of the spraying bin and is arranged towards the conveying mechanism, and the spraying assemblies are communicated with an external water tank and are used for cleaning the inside of the spraying bin according to preset.

As can be seen from the technical scheme, the embodiment of the utility model has at least the following advantages and positive effects:

in the spraying device provided by the embodiment of the utility model, the workpiece can be displaced along the first direction consistent with the length direction of the spraying bin, the workpiece enters the spraying bin through the inlet, the storage barrel of the feed back mechanism supplies the coating to the spraying component, the spraying component in the spraying bin sprays the coating to the workpiece in the spraying bin after atomizing the coating, and the spraying component is suitable for reciprocating movement along the width direction of the spraying bin relative to the frame, so that the atomized coating can be uniformly sprayed to the surface of the workpiece, and the uniformity of the coating is improved. The spraying process is carried out in a spraying bin, so that pollution caused by the overflow of scattered dust formed by the paint under the atomization condition is avoided, and the operation environment is improved. The whole spraying process has high automation degree and standardized operation, and solves the defects of severe operation environment, uneven coating thickness, incapability of standardized operation and the like in manual spraying.

Drawings

Various objects, features and advantages of the present utility model will become more apparent from the following detailed description of the preferred embodiments of the utility model, when taken in conjunction with the accompanying drawings. The drawings are merely exemplary illustrations of the utility model and are not necessarily drawn to scale. In the drawings, like reference numerals refer to the same or similar parts throughout. Wherein:

fig. 1 is a schematic structural view of a spray coating device according to an embodiment of the present utility model.

Fig. 2 is a schematic view of the structure of fig. 1 at another angle.

Fig. 3 is a schematic view of a part of the structure of the carriage, the conveying mechanism and the positioning device in fig. 1.

Fig. 4 is an enlarged schematic view of the area a in fig. 3.

Fig. 5 is a schematic view of a portion of the structure of fig. 1 mounted on the spray booth and carriage with the front side plate and door, chain and conveyor rollers omitted.

Fig. 6 is a schematic view of a portion of the spray booth of fig. 5 with dust caps omitted.

Fig. 7 is a schematic view of the structure of fig. 6 at another angle.

Fig. 8 is a schematic view of the spray gun, swing link, first mount and second mount of fig. 6.

Fig. 9 is a schematic structural view of the feed back mechanism in fig. 1.

Fig. 10 is a schematic structural view of the dust removing device in fig. 1.

Fig. 11 is a schematic view of the structure of the workpiece buffer device in fig. 1.

The reference numerals are explained as follows: d1, a first direction; d2, a second direction;

1. a frame; 11. a spraying bin; 111. an inlet; 112. an outlet; 12. a carriage; 121. a movable groove; 13. a door body; 14. a mounting frame; 15. a buffer frame;

2. a conveying mechanism; 21. a drive shaft; 22. a sprocket; 23. a chain; 24. a conveying roller; 25. a first screw;

3. a spray assembly; 31. a spray gun; 32. a swinging mechanism; 321. a rotating rod; 322. a drive assembly; 3221. a turntable; 3222. an adjustment tank; 3223. a hinge shaft; 3224. a first link; 3225. a second link; 3226. a driving member; 3227. a first mount; 3228. a second mounting base; 33. a partition plate; 331. a swinging groove; 34. swing rod; 35. a third screw; 36. a dust cover;

4. a feed back mechanism; 41. a storage barrel; 42. a transfer pump; 43. a filter screen; 44. a stirring motor; 45. a control valve;

5. a positioning device; 51. a positioning plate; 52. a second screw;

6. a paint recovery tray;

7. a dust removal device; 71. dust removal air pipe; 711. a dust removal port; 72. a filter box; 73. a dust removal fan;

8. cleaning a spraying device; 81. a liquid storage tank; 82. a spray assembly; 83. a water pump; 84. cleaning the tube;

9. a workpiece buffer device; 91. and a buffer roller.

Detailed Description

Exemplary embodiments that embody features and advantages of the present utility model are described in detail in the following description. It will be understood that the utility model is capable of various modifications in various embodiments, all without departing from the scope of the utility model, and that the description and drawings are intended to be illustrative in nature and not to be limiting.

In the following description of various exemplary embodiments of the utility model, reference is made to the accompanying drawings, which form a part hereof, and in which are shown by way of illustration various exemplary structures, systems, and steps in which aspects of the utility model may be practiced. It is to be understood that other specific arrangements of parts, structures, example devices, systems, and steps may be utilized and structural and functional modifications may be made without departing from the scope of the present utility model. Moreover, although the terms "over," "between," "within," and the like may be used in this description to describe various exemplary features and elements of the utility model, these terms are used herein for convenience only, e.g., in terms of the orientation of the examples depicted in the drawings.

Nothing in this specification should be construed as requiring a particular three-dimensional orientation of the structure in order to fall within the scope of the utility model. Indications of orientation (such as up, down, left, right, front and back) are used to explain the structure and movement of the various elements of the utility model are not absolute but relative. These descriptions are appropriate when these elements are in the positions shown in the drawings. If the description of the position of these elements changes, the indication of these directions changes accordingly.

The utility model provides spraying equipment which is used for spraying a workpiece. In this exemplary embodiment, the workpiece is described by taking a graphite plate as an example. Those skilled in the art will readily appreciate that many modifications, additions, substitutions, deletions, or other changes may be made to the specific embodiments described below for use in other types of workpieces, which remain within the principles of the spray device set forth herein.

Referring to fig. 1, for convenience of description, unless otherwise specified, directions of front, rear, left, right, up and down are all expressed by directions of X direction shown in fig. 1 as left, directions of back are right, directions of Y direction are front, directions of back are back, directions of Z direction are up, and directions of back are down. Referring to fig. 1 to 5, a spraying apparatus according to an embodiment of the present utility model mainly includes a frame 1, a spraying bin 11, a conveying mechanism 2, and a feed back mechanism 4.

The spray bin 11 is mounted on the frame 1, and has an inlet 111 and an outlet 112 for the workpiece to pass through on two sides in the length extending direction, and a spray assembly 3 disposed toward the workpiece is disposed on the top. The spraying assembly 3 is used for spraying the coating after atomizing, and is suitable for reciprocating movement along the width direction of the spraying bin 11 relative to the frame 1. The length and width directions of the spray booth 11 are defined as a first direction D1 and a second direction D2, respectively.

The conveying mechanism 2 is arranged on the frame 1 and extends through an inlet 111 and an outlet 112 of the spraying bin 11. Which is used to carry the workpiece and to drive the workpiece to displace in the direction of extension of the length of the spray booth 11.

The feed back mechanism 4 is mounted on the frame 1 and is provided with a storage bucket 41 communicating with the injection port of the spray assembly 3.

When the graphite plate is placed, two opposite side edges of the graphite plate are placed at positions parallel to the first direction D1, the lengths of the two opposite side edges are the lengths of the workpiece, and the other two opposite side edges of the graphite plate are placed at positions parallel to the first direction D1, wherein the lengths of the other two opposite side edges are the widths of the workpiece. The length and width of the workpiece are defined in the direction in which the workpiece is placed, and the length may be greater than or less than or equal to the width.

The conveying mechanism 2 drives the workpiece to move, so that the workpiece can move along a first direction D1 consistent with the length direction of the spraying bin 11, the workpiece enters the spraying bin 11 through the inlet 111, the storage barrel 41 of the feed back mechanism 4 supplies paint to the spraying assembly 3, the spraying assembly 3 in the spraying bin 11 sprays the paint to the workpiece in the spraying bin 11 after atomizing the paint, and the workpiece is suitable for reciprocating movement relative to the frame 1 along the width direction of the spraying bin 11, so that the atomized paint can be uniformly sprayed to the surface of the workpiece, and the uniformity of the coating is improved. The spraying process is carried out in the spraying bin 11, so that pollution caused by the overflow of scattered dust formed by the paint under the atomization condition is avoided, and the operation environment is improved. The whole spraying process has high automation degree and standardized operation, and solves the defects of severe operation environment, uneven coating thickness, incapability of standardized operation and the like in manual spraying.

The feed back mechanism 4 comprises a storage bucket 41, a feed delivery pipe, a feed back pipe and a delivery pump 42. The storage bucket 41 is used for storing paint. The input of conveying pipeline communicates storage vat 41, and the output of conveying pipeline communicates spraying subassembly 3. The input of feed back pipe communicates spraying subassembly 3, and the output of feed back pipe communicates storage vat 41. The transfer pump 42 drives the circulation of paint between the storage vat 41, the transfer line, the spray assembly 3 and the return line. In this embodiment, the spray assembly 3 comprises a spray gun 31, the spray gun 31 having a spray orifice, the output end of the feed conduit being in communication with the spray gun 31, and the input end of the return conduit being in communication with the spray gun 31.

The conveying pump 42 drives the paint to circulate among the storage vat 41, the conveying pipe, the spray gun 31 and the feed back pipe, so that the problem that the spray gun 31 is blocked and the spray uniformity is affected due to high viscosity, poor fluidity and easy precipitation and solidification of the paint is avoided.

Referring to fig. 3 and 4, in combination with fig. 1, the conveying mechanism 2 includes a drive shaft 21, a sprocket 22, a chain 23, and a conveying roller 24. The drive shaft 21 extends in the second direction D2 and is rotatably connected to the frame 1 about its own axis parallel to the second direction D2, the drive shaft 21 being provided in two parallel spaced apart along the first direction D1. The drive shaft 21 on the left defines the head end of the conveyor 2 and the drive shaft 21 on the right defines the tail end of the conveyor 2.

The sprockets 22 are fixedly connected to the driving shafts 21, and each driving shaft 21 corresponds to two sprockets 22 arranged at parallel intervals along the second direction D2. The chain 23 can rotate coaxially with the drive shaft 21. The two chains 23 are provided, each chain 23 being engaged with a sprocket 22 on one drive shaft 21 and a sprocket 22 on the other drive shaft 21, respectively, the two chains 23 being arranged at parallel intervals in the second direction D2. The conveying rollers 24 extend in the second direction D2, are rotatably connected between the two chains 23 about their own axes parallel to the second direction D2, and are provided in parallel at intervals along the length direction of the chains 23.

The conveying roller 24 is used for carrying a workpiece, and when the driving shaft 21 rotates, the chain wheel 22 is driven to synchronously rotate and the chain 23 is driven to displace, so that the conveying roller 24 and the workpiece on the conveying roller 24 are driven to displace from the left front end to the right tail end along the first direction D1. In addition, the round steel can rotate while moving along with the chain 23, so that abrasion to the bottom of a product is reduced, the plate is prevented from being scratched, and meanwhile, the conveying process of the plate is ensured to be more stable. In this embodiment, the frame 1 further includes a carriage 12, the carriage 12 is connected below the spraying bin 11, and the conveying mechanism 2 is mounted on the carriage 12.

Of the two drive shafts 21, at least one drive shaft 21 is connected to the frame 1 so as to be displaceable in the first direction D1 to adjust the tightness of the chain 23. In this embodiment, the driving shaft 21 located at the left side can be displaced along the first direction D1, the carriage 12 is provided with two movable slots 121 extending along the first direction D1, the two movable slots 121 are symmetrically arranged along the second direction D2, two ends of the driving shaft 21 are respectively movably inserted into the two movable slots 121, the first screw 25 extends along the first direction D1 and is screwed onto the carriage 12, and when the first screw 25 rotates, the driving shaft 21 can be pushed to displace along the first direction D1 relative to the movable slots 121.

Still referring to fig. 3 and 4, in combination with fig. 1, the spraying device further comprises a positioning device 5. The positioning device 5 is arranged outside the spraying bin 11 and above the conveying mechanism 2. The positioning device 5 comprises two positioning plates 51 oppositely arranged along the second direction D2, and a positioning channel extending along the first direction D1 is formed between the two positioning plates 51 and is used for passing through the workpiece. And the positioning plate 51 is connected to the frame 1 to be displaceable in the first direction D1 so as to adjust the width of the positioning channel. The positioning device 5 is provided with two groups and is respectively positioned at the head end and the tail end of the conveying mechanism 2. The positioning channel at the head end is utilized to position the placing position of the workpiece, so that the workpiece can be sprayed when being displaced into the spraying bin 11. And the unloading position of the workpiece is positioned by utilizing the positioning channel at the tail end, so that the workpiece after spraying is conveniently taken down. And the width of the positioning channel can be adjusted to adapt to the positioning of workpieces with different specifications. In this embodiment, the frame 1 is provided with a first displacement hole and a second displacement hole which are communicated, the first displacement hole extends along a second direction D2, the second displacement hole extends along a third direction, a guide rod connected to the positioning plate 51 can be movably arranged in the first displacement hole along the second direction D2, the second screw rod 52 is in threaded connection with the second displacement hole, and when the second screw rod 52 rotates, the guide rod can be fixed against the guide rod or separated from the guide rod to release the guide rod.

In an embodiment not shown in the figures, the conveying mechanism 2 may also be in the form of a conveyor belt for driving the workpiece to move, and comprises a conveying shaft and a conveyor belt, wherein the conveying shaft extends along the second direction D2 and is rotatably connected to the frame 1 around an own axis parallel to the second direction D2, and the conveying shafts are arranged in parallel at intervals along the first direction D1. The conveyer belt transmission is connected in two conveying axles, and the conveyer belt is used for bearing the work piece. When the conveying shaft rotates, the conveying belt drives the workpiece to move.

The spraying bin 11 is of a cuboid box-type structure and comprises a bottom plate, a top plate and four side plates. The base plate is mounted on the carriage 12. The roof is located the top of bottom plate with interval, and four curb plates enclose to close and form four framework structures, and wherein two curb plates set up relatively in first direction D1, are left side board and right side board respectively, and other two curb plates set up relatively in second direction D2, are preceding curb plate and posterior lateral plate respectively. The bottom of curb plate is connected in the bottom plate, and the top of curb plate is connected in the roof. The front side plate is also provided with a door body 13 for opening and closing the spraying bin 11.

Referring to fig. 5 to 6, and in combination with fig. 1, the spraying device further includes a swinging mechanism 32, and the swinging mechanism 32 includes a rotating rod 321 and a driving assembly 322. The rotating rod 321 extends along the first direction D1, and the rotating rod 321 is installed in the spraying chamber 11 and is rotatably connected to the spraying chamber 11 around its own axis parallel to the first direction D1. The spray assembly 3 is connected to a rotating rod 321. The driving assembly 322 drives the rotating rod 321 to rotate forward or backward so as to drive the spraying assembly 3 to reciprocate along the second direction D2. The swing track of the spray gun 31 is limited by the rotary connection of the rotary rod 321 and the spray bin 11, so that the swing of the spray assembly 3 is more stable.

The spraying device further comprises a partition 33. The partition plate 33 is installed in the spray booth 11 and divides the inner space of the spray booth 11 into an upper chamber and a lower chamber, and the partition plate 33 is provided with a swing groove 331 extending in the second direction D2. The rotating rod 321 is installed in the upper chamber. The spray assembly includes a spray gun 31 and a pendulum 34. The swing rod 34 connects the spray gun 31 and the rotating rod 321, and the swing rod 34 can pass through the swing groove 331 in a reciprocating manner. The transport mechanism 2 passes the workpiece through the lower chamber, i.e. the workpiece is configured to be displaced through the lower chamber in a first direction D1. The spraying process is carried out in the lower chamber, and the separation of the partition plate 33 prevents the atomized paint from blocking the rotating joint of the rotating rod 321 and the spraying bin 11 as much as possible, so that the rotating rod 321 cannot smoothly rotate, and the spray gun 31 is ensured to swing more stably.

The driving assembly 322 includes a turn plate 3221, a hinge shaft 3223, a first link 3224, a second link 3225, and a driving member 3226. The turntable 3221 is rotatably mounted on the frame 1, an adjusting groove 3222 is formed in the turntable 3221, and the first end to the second end of the adjusting groove 3222 are gradually far away from the rotation center of the turntable 3221. The hinge shaft 3223 is displaceably provided in the adjustment groove 3222 to adjust the eccentricity of the hinge shaft 3223 to the rotation center of the turntable 3221. A first end of the first link 3224 is rotatably connected to the hinge shaft 3223, a second end of the first link 3224 is rotatably connected to a first end of the second link 3225, and a second end of the second link 3225 is fixedly connected to the rotating lever 321. The driving member 3226 drives the rotation of the rotation disc 3221. The driving member 3226 can drive the rotating rod 321 to rotate forward or reversely through the transmission of the first connecting rod 3224 and the second connecting rod 3225, and further drive the spray gun 31 to swing. The swing angle of the spray gun 31 can be adjusted by adjusting the eccentricity of the hinge shaft 3223 to the rotation center of the turn table 3221 by the displacement of the hinge shaft 3223 in the adjustment groove 3222. The driving member 3226 may be a motor, may be configured as a variable frequency motor, and may adjust the rotational speed of the motor, thereby adjusting the swing frequency of the spray gun 31. In this embodiment, the hinge shaft 3223 includes a first shaft body and a second shaft body coaxially arranged, the diameter of the first shaft body is larger than that of the second shaft body, the first end of the first link 3224 is rotatably connected to the first shaft body, the second shaft body is movably disposed in the adjusting groove 3222 in a penetrating manner, and the second shaft body is provided with external threads. The nut is screwed to the second shaft, and when the nut rotates, the first shaft and the nut are clamped and fixed on the turntable 3221, or the first shaft and the nut are loosened from the turntable 3221, so that the second shaft can be displaced in the adjusting groove 3222.

The driving assembly 322 is installed outside the spraying bin 11. One end of the rotating rod 321 extends out of the spraying bin 11. The second end of the second link 3225 is fixedly connected to the end of the rotating rod 321 extending out of the spray booth 11. The atomized paint in the spraying bin 11 is prevented from blocking the rotating connection part of the driving assembly 322, so that the driving assembly 322 can be driven more smoothly, and the swinging stability of the spray gun 31 is further ensured.

The spraying device further includes a dust cover 36, and the dust cover 36 covers the hinge shaft 3223, the first link 3224, and the second link 3225 to prevent dust.

The rotating rod 321 is provided with a perforation. The upper end of the swing rod 34 is movably penetrated in the perforation to adjust the distance from the spray gun 31 to the rotating rod 321, thereby adjusting the distance from the spray gun 31 to the workpiece. It will be appreciated that the paint will be dispersed in the process of spraying the paint after the spray gun 31 atomizes the paint, the closer the spray gun 31 is to the workpiece, the smaller the sprayable range, the farther the spray gun 31 is from the workpiece, the larger the sprayable range, and the corresponding change in the spraying thickness, and the distance from the spray gun 31 to the workpiece can be adjusted according to the actual spraying condition.

Referring to fig. 8 in combination with fig. 6 and 7, the spray coating assembly 3 further includes a first mount 3227 and a second mount 3228. The first mounting base 3227 is installed in the upper chamber and fixedly connected to the rotating rod 321, the through holes are formed in the first mounting base 3227, and two through holes are formed. The structural strength of the rotating rod 321 is prevented from being influenced by the opening of the rotating rod 321.

The second mount 3228 is mounted within the lower cavity. Two swing rods 34 are arranged in parallel at intervals, the lower ends of the two swing rods 34 are fixedly connected to the second mounting base 3228, and the upper ends of the two swing rods 34 are respectively arranged in the two through holes in a penetrating mode in a displaceable mode. The spray gun 31 is rotatably mounted on the second mount 3228 and is positioned between the two swing rods 34. The distance from the spray gun 31 to the rotating rod 321 on the second mounting seat 3228 can be adjusted by utilizing the displacement of the two swinging rods 34 relative to the perforation. The spray gun 31 is rotatable on the second mount 3228, and the spray range of the spray gun 31 can be further adjusted. In this embodiment, the first mount 3227 is further provided with a locking hole, the locking hole is communicated with the through hole and is perpendicular to the through hole, the third screw is connected in the locking hole, and when the third screw 35 rotates, the third screw can prop against the swing rod 34 to fix the guide rod, or separate from the swing rod 34 to release the swing rod 34.

Referring to fig. 5, the spraying device further includes a paint recovery tray 6. The paint recovery tray 6 is mounted in the spray booth 11 below the conveyor 2. The paint recovery trays 6 are symmetrically provided in two in the second direction D2 for receiving paint sprayed from the spray gun 31 to the outside of the width direction of the work. A large amount of paint sprayed outside the effective range can be received by the paint recovery tray 6, avoiding that a large amount of high-viscosity, easily precipitated paint adheres to the inner wall of the spray booth 11 and is not easy to clean.

Referring to fig. 2 and 9, the feed back mechanism 4 further includes a filter screen 43, a stirring paddle, a stirring motor 44, and a control valve 45. The top opening of storage vat 41, the top opening part of storage vat 41 is located to filter screen 43, and filter screen 43 filters the coating of adding storage vat 41. The stirring paddle is positioned in the storage vat 41, and the stirring motor 44 drives the stirring paddle to rotate to stir the paint in the storage vat 41. The control valve 45 controls the feed pipe to be turned on or off.

Referring to fig. 5 and 10, in conjunction with fig. 2, the present utility model further provides a spraying apparatus. The spraying apparatus comprises a dust removing device 7 and the spraying device of any of the embodiments described above. The dust removing device 7 comprises a dust removing air pipe 71, a dust removing connecting pipe, a filter box 72 and a dust removing fan 73. The dust removal tuber pipe 71 is installed in spraying storehouse 11 to be located the below of conveying mechanism 2, be equipped with on the dust removal tuber pipe 71 along the dust removal mouth 711 of first direction D1 extension, dust removal mouth 711 is towards second direction D2, and is equipped with two along second direction D2 symmetry. The filter box 72 is provided outside the spray booth 11, and the filter box 72 is provided with a discharge port. The dust removing connecting pipe is communicated with the dust removing air pipe 71 and the filter box 72. The dust removing fan 73 drives the paint in the spray booth 11 to enter the dust removing air pipe 71, the dust removing connecting pipe and the filter box 72 through the dust removing opening 711, and is filtered by the filter box 72 and discharged from the discharge opening. The atomized paint in the spray booth 11 can enter the space between the conveyor 2 and the side plate of the spray booth 11 below the conveyor 2, and is sucked away from the dust removing port 711 in the dust removing duct 71. Of course, atomized paint can also enter the lower part of the conveying mechanism 2 through the interval between the adjacent conveying rollers 24, which is more beneficial to dust removal. In this embodiment, the frame 1 further includes a mounting frame 14, and the filter box 72, the dust removing fan 73, and the transfer pump 42 are mounted on the mounting frame 14. The filter box 72 may be provided therein with a filter material for filtering, and the filter material may be a filter element.

Referring to fig. 2 and 6, the spraying apparatus further comprises a cleaning spray device 8. The cleaning spray device 8 comprises a liquid storage tank 81, a spray assembly 82, a liquid delivery pipe and a water pump 83. The liquid reservoir 81 is used for storing the cleaning liquid. The spraying components 82 are provided with a plurality of spraying components and are uniformly distributed in the spraying bin 11, and the liquid storage tank 81 and the spraying components 82 are communicated through the liquid conveying pipe. The water pump 83 drives the cleaning solution in the liquid storage tank 81 to flow into the spraying assembly 82 through the infusion tube, and the spraying assembly 82 can clean the inside of the spraying bin 11. In this embodiment, a plurality of spray assemblies 82 are mounted on the partition 33. The cleaning fluid may be water.

The cleaning spraying device 8 further comprises a cleaning pipe 84, the cleaning pipe 84 is coiled on the outer portion of the side plate of the spraying bin 11, the cleaning pipe 84 is communicated with the liquid storage tank 81, the water pump 83 further drives cleaning liquid in the liquid storage tank 81 to flow to the cleaning pipe 84, and the cleaning pipe 84 can be used for manually cleaning the spraying bin 11.

Referring to fig. 1 and 11, the spraying apparatus further includes a workpiece buffer 9. The head end of the workpiece buffer device 9 is abutted to the tail end of the conveying mechanism 2, and the head end of the workpiece buffer device 9 is higher than the tail end of the workpiece buffer device 9. The sprayed workpiece is displaced from the end of the conveying mechanism 2 to the head end of the workpiece buffer device 9, and is lowered in speed from the head end of the workpiece buffer device 9 to the end of the workpiece buffer device 9 in the first direction D1 under the height difference of the workpiece buffer device 9, so that the workpiece is discharged. The work load of manual unloading is reduced through the buffer action of the work buffer device 9 on the work displacement speed.

The workpiece buffering device 9 comprises buffering rollers 91, the buffering rollers 91 extend along a second direction D2 and are rotatably connected to the frame 1 around an own axis parallel to the second direction D2, the buffering rollers 91 are arranged at intervals in parallel along a first direction D1, the heights of the tops of the buffering rollers 91 gradually decrease from the head end to the tail end of the workpiece buffering device 9, and the buffering rollers 91 are used for bearing workpieces. In this embodiment, the frame 1 further includes a buffer frame 15, and the workpiece buffer device 9 is mounted on the buffer frame 15.

The spray coating device also includes an in-place sensor, a controller, and a number of spray assemblies 82. The in-place sensor is used for detecting the position of the workpiece and sending an in-place signal when the workpiece is located at a preset position. The controller is used for receiving the position signal and controlling the spraying assembly 3 to spray the surface of the workpiece according to the position signal. Each spray assembly 3 is mounted on top of the spray booth 11 and is disposed towards the conveyor 2, communicating with an external water tank and cleaning the interior of the spray booth 11 according to a preset setting. The in-place sensor is matched with the control of the controller, so that spray water and paint can be efficiently utilized, and waste of water resources and paint is reduced.

In embodiments of the present utility model, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined 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 connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present utility model and is not intended to limit the embodiment of the present utility model, and various modifications and variations can be made to the embodiment of the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present utility model should be included in the protection scope of the embodiments of the present utility model.

Claims (10)

1. A spray coating device, comprising:

a frame;

the spraying bin is arranged on the rack, an inlet and an outlet for a workpiece to pass through are formed in two sides of the length extension direction of the spraying bin, and a spraying assembly arranged towards the workpiece is arranged at the top of the spraying bin; the spraying assembly is used for spraying the atomized paint and is suitable for reciprocating movement along the width direction of the spraying bin relative to the frame; defining the length direction and the width direction of the spraying bin as a first direction and a second direction respectively;

the conveying mechanism is arranged on the frame and extends through an inlet and an outlet of the spraying bin; the spraying bin is used for bearing the workpiece and driving the workpiece to displace in the length extending direction of the spraying bin;

the feed back mechanism is arranged on the frame and is provided with a storage barrel communicated with the jet orifice of the spraying assembly.

2. The spray apparatus of claim 1 wherein said feed back mechanism further comprises a storage bucket feed back pipe, a feed back pipe and a feed pump;

the input end of the conveying pipe is communicated with the storage barrel, and the output end of the conveying pipe is communicated with the spraying assembly;

the input end of the feed back pipe is communicated with the spraying assembly, and the output end of the feed back pipe is communicated with the storage barrel;

the delivery pump drives paint to circulate between the storage vat, the delivery tube, the spray assembly, and the return tube.

3. The spray device of claim 1, further comprising a swing mechanism;

the swing mechanism comprises a rotating rod and a driving assembly;

the spraying assembly extends along the first direction, and the rotating rod is arranged in the spraying bin and can be rotationally connected with the spraying bin around an own axis parallel to the first direction;

the spraying assembly is connected to the rotating rod;

the driving assembly drives the rotating rod to rotate forward or reversely so as to drive the spraying assembly to reciprocate along the second direction.

4. The spray device of claim 3, further comprising a baffle;

the partition board is arranged in the spraying bin, the inner space of the spraying bin is divided into an upper cavity and a lower cavity, and a swinging groove extending along the second direction is formed in the partition board;

the rotating rod is arranged in the upper cavity;

the spraying assembly comprises a spray gun and a swing rod;

the spray gun is arranged in the lower cavity;

the swing rod is connected with the spray gun and the rotating rod, and is arranged in the swing groove in a penetrating way in a reciprocating way;

a workpiece is configured to be displaced through the lower chamber in the first direction.

5. The spraying device of claim 4, wherein the rotating rod is provided with perforations;

the upper end of the swing rod is movably arranged in the through hole in a penetrating mode so as to adjust the distance from the spray gun to the rotating rod.

6. The spray device of claim 5, wherein the spray assembly further comprises a first mount and a second mount;

the first mounting seat is arranged in the upper cavity and fixedly connected with the rotating rod, and the first mounting seat is provided with two through holes;

the second mounting seat is arranged in the lower cavity;

the two swing rods are arranged in parallel at intervals, the lower ends of the two swing rods are fixedly connected to the second mounting seat, and the upper ends of the two swing rods are respectively and movably arranged in the two through holes in a penetrating mode;

the spray gun is rotatably arranged on the second mounting seat and is positioned between the two swing rods.

7. The spray device of claim 3 wherein said drive assembly comprises a turntable, a hinge shaft, a first link, a second link, a drive member;

the rotary table is rotatably arranged in the spraying bin, an adjusting groove is formed in the rotary table, and the first end to the second end of the adjusting groove are gradually far away from the rotation center of the rotary table;

the hinge shaft is movably arranged in the adjusting groove in a penetrating manner so as to adjust the eccentric distance from the hinge shaft to the rotating center of the turntable;

the first end of the first connecting rod is rotatably connected with the hinge shaft, the second end of the first connecting rod is rotatably connected with the first end of the second connecting rod, and the second end of the second connecting rod is fixedly connected with the rotating rod;

the driving piece drives the turntable to rotate;

the driving component is arranged outside the spraying bin; one end of the rotating rod extends out of the spraying bin; the second end of the second connecting rod is fixedly connected to one end of the rotating rod extending out of the spraying bin.

8. The spraying device of claim 1, wherein the conveying mechanism comprises a drive shaft, a sprocket, a chain, a conveying roller;

the driving shaft extends along the second direction and is rotatably connected to the frame around an own axis parallel to the second direction, and two driving shafts are arranged at intervals in parallel along the first direction;

the chain wheels are fixedly connected to the driving shafts, and each driving shaft is correspondingly provided with two chain wheels which are arranged at intervals in parallel along the second direction;

the two chains are respectively meshed with a sprocket on one driving shaft and a sprocket on the other driving shaft, and are arranged at intervals in parallel along a second direction;

the conveying rollers extend along the second direction and are rotatably connected between the two chains around the self axis parallel to the second direction, and a plurality of conveying rollers are arranged at intervals in parallel along the length direction of the chains;

at least one of the driving shafts is movably connected to the frame along the first direction so as to adjust the tightness of the chain.

9. A spray coating device, comprising: a dust removal device and a spraying device according to any one of claims 1-8;

the dust removing device comprises a dust removing air pipe, a dust removing connecting pipe, a filter box and a dust removing fan;

the dust removing air pipe is arranged in the spraying bin and positioned below the conveying mechanism, and a dust removing opening extending along the first direction is formed in the dust removing air pipe;

the dust removing openings face the second direction, and two dust removing openings are symmetrically arranged along the second direction;

the filter box is arranged outside the spraying bin, and is provided with a discharge outlet;

the dust removing connecting pipe is communicated with the dust removing air pipe and the filter box;

the dust removing fan drives the paint in the spraying bin to enter the dust removing air pipe, the dust removing connecting pipe and the filter box through the dust removing opening, and the paint is filtered by the filter box and then discharged from the discharge opening.

10. A spraying device as claimed in claim 9, further comprising: the in-place sensor, the controller and the spray assemblies are arranged in the tank;

the in-place sensor is used for detecting the position of the workpiece and sending an in-place signal when the workpiece is positioned at a preset position;

the controller is used for receiving the in-place signal and controlling the spraying assembly to spray the surface of the workpiece according to the in-place signal;

each spraying assembly is arranged at the top of the spraying bin and is arranged towards the conveying mechanism, and the spraying assemblies are communicated with an external water tank and are used for cleaning the inside of the spraying bin according to preset.