CN217165010U

CN217165010U - Spray gun assembly

Info

Publication number: CN217165010U
Application number: CN202123434455.9U
Authority: CN
Inventors: 林江; 陈文彬
Original assignee: Guangzhou Zeheng Industrial Co ltd
Current assignee: Guangzhou Zeheng Industrial Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-12
Anticipated expiration: 2031-12-30

Abstract

The utility model provides a spray gun assembly, including spray gun, first drive arrangement, second drive arrangement and guide bar, first drive arrangement and second drive arrangement all are connected with the guide bar, first drive arrangement is used for driving the guide bar and carries out reciprocating motion for the first drive arrangement, the spray gun is connected with the second drive arrangement, and the second drive arrangement is used for driving the spray gun and rotates for the guide bar; the spray gun assembly has the advantages of reasonable structure and convenient use.

Description

Spray gun assembly

Technical Field

The utility model belongs to the technical field of the spraying equipment, concretely relates to spray gun subassembly.

Background

The powder spraying is that a high-voltage cathode is connected to a metal flow guide mark at the head of a spray gun by utilizing the principle of a high-voltage electrostatic corona electric field, and a sprayed workpiece is grounded to form an anode, so that a stronger electrostatic electric field is formed between the spray gun and the workpiece. When compressed air as carrier gas is used to deliver powder paint from powder supply barrel to guide rod of spray gun through powder tube, the corona discharge generated by high-voltage negative electrode is connected to guide rod to generate dense negative charge, so that the powder paint is charged with negative charge and enters into electrostatic field with very high electric field strength. The spraying effect of the powder spraying is superior to that of a paint spraying process in the aspects of mechanical strength, adhesive force, corrosion resistance, aging resistance and the like, so the powder spraying is widely applied to the production and processing fields of automobile spraying, furniture spraying and the like.

During spraying operation, a workpiece is usually placed in a spraying room and moves back and forth relative to the workpiece by using a spray gun, so that the surface of the workpiece is sprayed and covered, however, the spray gun assembly in the prior art has the problem of inconvenient use; particularly, some special-shaped workpieces are often touched during spraying operation, for example, the workpiece is provided with a groove, or the workpiece is annular or arc-shaped, and at the moment, the nozzle of the spray gun can rotate by a certain angle to finish spraying the special-shaped groove or the arc-shaped workpiece on the workpiece.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a rational in infrastructure, convenient to use's spray gun subassembly.

In order to solve the technical problem, the utility model discloses the technical scheme who uses is:

a spray gun assembly comprises a spray gun, a first driving device, a second driving device and a guide rod, wherein the first driving device and the second driving device are connected with the guide rod, the first driving device is used for driving the guide rod to reciprocate relative to the first driving device, the spray gun is connected with the second driving device, and the second driving device is used for driving the spray gun to rotate relative to the guide rod.

As a further improvement of the spray gun assembly, the spray gun assembly further comprises a threading guide pipe, the threading guide pipe and the guide rod are arranged at intervals relative to the axes of the threading guide pipe and the guide rod, and two ends of the threading guide pipe are fixedly connected with the guide rod.

As a further improvement of the spray gun assembly, the spray gun assembly further comprises a cleaning and blowing assembly, wherein the cleaning and blowing assembly is fixedly connected with the first driving device and is used for blowing the powder coating attached to the guide rod and/or the threading guide pipe.

As a further improvement of the spray gun assembly, the cleaning and blowing assembly comprises a gas collecting main pipe and a plurality of nozzles, the nozzles are connected with the gas collecting main pipe and face the guide rod and/or the threading guide pipe, and the gas collecting main pipe is used for being connected with a gas source.

As a further improvement of the spray gun assembly, the section of the guide rod is rectangular, and the guide rod is arranged in a hollow mode.

As right the further improvement of spray gun subassembly, first drive arrangement includes first motor, first connecting seat, first action wheel and a plurality of first follow driving wheel, first follow driving wheel ring establish and the butt in week side of guide bar, just first follow driving wheel with first connecting seat is connected, first action wheel with the drive shaft of first motor is connected, just first motor with first connecting seat fixed connection, first follow driving wheel with the guide bar transmission is connected, the connecting seat is used for making the spray gun subassembly is fixed in on the spraying station.

As a further improvement of the spray gun assembly, the guide rod is further provided with a rack along the axial direction thereof, the first driving wheel is a gear, and the first driving wheel is meshed with the rack.

As a further improvement to the spray gun assembly, the rack and the first drive wheel are both located at the bottom of the guide rod.

As a further improvement to the spray gun assembly, the second drive means is connected to a first end of the guide rod and the spray gun is connected to a second end of the guide rod.

As a further improvement to the spray gun assembly, the second driving device includes a second motor, a second driving wheel, a second driven wheel, a second connecting seat and a transmission shaft, the guide rod is sleeved outside the transmission shaft, the transmission shaft is rotatably connected with the guide rod, the guide rod and the second motor are both fixedly connected with the second connecting seat, the second driving wheel is connected with the second motor, the second driven wheel is connected with the transmission shaft, the second driving wheel is in transmission connection with the second driven wheel, and the transmission shaft is hollow.

Compared with the prior art the beneficial effects of the utility model mainly appear: the spray gun component can carry out spraying operation on the special-shaped workpiece through the first driving device and the second driving device which are matched with each other; specifically, the first driving device fixed on the station can drive the guide rod to reciprocate relative to the first driving device, so as to drive the spray gun to reciprocate; secondly, the second driving device can drive the spray gun to rotate relative to the guide rod, for example, the muzzle of the spray gun is moved from one side of the workpiece to the other side, so that the spraying dead angle of the spray gun assembly in the using process is avoided or reduced, namely, the convenience of the spray gun assembly in the using process is improved.

Drawings

The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic view of an overall structure of a spray gun assembly according to the present invention;

FIG. 2 is a schematic view of the overall structure of another embodiment of a spray gun assembly of the present invention;

FIG. 3 is a schematic view of a spray gun assembly of the present invention, not fully exploded;

fig. 4 is a schematic partial structure diagram of the first driving device and the second driving device in the present invention;

fig. 5 is a schematic view of the present invention illustrating a rear view of a spray gun assembly.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the illustrated embodiments are not intended to limit the present invention, and in the present embodiments, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and the present invention is described only, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as limited to the present invention.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present. The terms "mounted," "one end," "the other end," and the like as used herein are for illustrative purposes only.

As shown in fig. 1-5, the present embodiment provides a spray gun 1 assembly comprising a spray gun 1, a first drive means 2, a second drive means 3 and a guide rod 4; the first driving device 2 and the second driving device 3 are both connected with the guide rod 4, wherein the first driving device 2 is used for driving the guide rod 4 to reciprocate relative to the first driving device 2, the spray gun 1 is connected with the second driving device 3, and the second driving device 3 is used for driving the spray gun 1 to rotate relative to the guide rod 4. For example, the first driving device 2 is fixed outside the powder spraying room by bolts, that is, the first driving device 2 is fixed on the corresponding station; when the work in the powder spraying room needs to be sprayed, the first driving device 2 can drive the guide rod 4 and drive the spray gun 1 on the guide rod 4 to extend into the powder spraying room and to reciprocate or stretch relative to the workpiece to spray the workpiece, and further, when the side surface of the workpiece needs to be sprayed (for example, when rectangular workpieces are sprayed, the spray gun can only spray one surface once, and for example, when cylindrical workpieces are sprayed, the spray gun 1 can only spray a surface area covering a certain radian once) or other positions which cannot be sprayed are sprayed, the second driving device 3 can drive the spray gun 1 to rotate for a certain spraying angle to finally realize the full-coverage spraying of the surface of the workpiece.

As shown in fig. 1-5, in the preferred embodiment, the device further comprises a threading guide tube 5, the threading guide tube 5 is spaced from the guide rod 4 relative to the axis of the threading guide tube 5 and the guide rod 4, and both ends of the threading guide tube 5 and the guide rod 4 are fixed by a bracket. Specifically, the threading guide tube 5 is used for passing through a gas path and a powder path for the spray gun, and passing through an electric or signal path for the driving device, and the arranged threading guide tube 5 can restrain the gas path and ensure the simplicity of the appearance of the spray gun assembly. Certainly, the threading guide pipe 5 can also play a role in enhancing the rigidity of the whole spray gun assembly (guide rod), and further, in the use process of the spray gun assembly, the guide rod 4 of the spray gun assembly is generally transversely arranged, and the guide rod 4 has a certain length, so that the spray gun 1 can cover the depth of a powder spraying room; the end part of the guide rod 4 connected with the spray gun 1 belongs to a free end (suspended), so that the guide rod 4 can generate certain static bending deflection under the action of gravity, particularly when the first driving device 2 drives the spray gun 1 on the guide rod 4 to move to the farthest end of the spray gun, the deformation of the static bending deflection is at a relative maximum value, and simultaneously, as the spray gun assembly moves ceaselessly during spraying operation, the free end on the guide rod 4, namely the end connected with the spray gun 1, swings, and the spraying effect or quality is further influenced; the rigidity of the guide rod 4 can be effectively improved by the aid of the phoenix-added threading guide pipe 5, so that static bending deflection of the free end of the guide rod 4 is reduced, or swinging amount of the guide rod is reduced, and accordingly spraying effect or quality is guaranteed.

As shown in fig. 1-3, in the preferred embodiment, a cleaning and blowing assembly 6 is further included, the cleaning and blowing assembly 6 is fixedly connected with the first driving device 2, and the cleaning and blowing assembly 6 is used for blowing the powder coating attached to the guide rod 4 and/or the threading conduit 5; specifically, when the spray gun assembly is used for spraying, the spray gun 1 of the spray gun assembly extends into a powder spraying room, and part of powder coating inevitably falls on the guide rod 4 and the threading guide pipe 5 in the spraying process; therefore, when the guide rod 4 and/or the threading pipe 5 are moved out of the powder spraying booth, that is, when the guide rod 4 and/or the threading pipe 5 are moved back and forth relative to the first driving device 2, the cleaning and blowing assembly 6 can blow off the powder coating adhered to the guide rod 4 and the threading pipe 5, thereby preventing the powder coating from being carried into the working environment. Further, the cleaning and blowing assembly 6 comprises a gas collecting main pipe 61 and a plurality of nozzles 62, the nozzles 62 are connected with the gas collecting main pipe 61, the nozzles 62 face the guide rod 4 and/or the threading guide pipe 5, the gas collecting main pipe 61 is used for connecting a gas source, compressed air enters the gas collecting main pipe 61 and then is sprayed out from each nozzle 62, and powder coating attached to the guide rod 4 and the threading guide pipe 5 can be blown off by sprayed high-speed air flow.

As shown in fig. 4-5, in the preferred embodiment, the guide rod 4 is rectangular in cross-section and the guide rod 4 is hollow. Further, the first driving device 2 includes a first motor 21, a first connecting seat 22, a first driving wheel 23 and a plurality of first driven wheels 24; the first driven wheel 24 is annularly disposed and abutted to the periphery of the guide rod 4, that is, four sides of the rectangular guide rod 4 of each of the first driven wheels 24 in this embodiment are abutted to each other, so as to constrain the movement of the guide rod 4, a shaft of the first driven wheel 24 is fixedly connected to the first connecting seat 22, the first driving wheel 23 is connected to a driving shaft of the first motor 21, the first motor 21 and the first connecting seat 22 are fixed by bolts, the first driven wheel 24 is in transmission connection with the guide rod 4, and the connecting seat is used for fixing the spray gun 1 assembly to the spraying station. Further, a rack 41 is further arranged on the guide rod 4 along the axial direction thereof, the first driving wheel 23 is a gear at the moment, the first driving wheel 23 is meshed with the rack 41, the phenomenon of slipping of the first driving wheel 23 due to slipping can be avoided through the matching of the gear and the rack, and meanwhile, the transmission precision can also be ensured. Further, the rack 41 and the first driving wheel 23 are both located at the bottom of the guiding rod 4, the sprayed powder coating finally falls under the action of the gravity of the material or the gravity of the earth, and when the rack 41 and the first driving wheel 23 are both located at the bottom of the guiding rod 4, the probability that the powder coating is attached to the rack 41 in the spraying process can be reduced, and the movement of the attached rack 41 forms contact with the first driving wheel 23 (gear) to serve as an abrasive, so that the transmission abrasion between the rack 41 and the first driving wheel 23 (gear) is finally caused.

In the preferred embodiment, as shown in fig. 4-5, the second driving device 3 is connected to the first end of the guide rod 4, and the spray gun 1 is connected to the second end of the guide rod 4, and further, when the second driving device 3 is located at the other end of the guide rod 4 opposite to the spray gun 1, the second driving device 3 is not placed in the spray booth, and thus the second driving device 3 is not in a relatively severe working condition (dust environment). Further, the second driving device 3 includes a second motor 31, a second driving wheel 32, a second driven wheel 33, a second connecting seat 34 and a transmission shaft 35, the guide rod 4 is sleeved outside the transmission shaft 35, the transmission shaft 35 and the guide rod 4 are rotatably connected with the bearing seat through a bearing, the guide rod 4 and the second motor 31 are both fixed to the second connecting seat 34 through bolts, the second driving wheel 32 is connected to a driving shaft of the second motor 31, the second driven wheel 33 is connected to one end of the transmission shaft 35, the other end of the transmission shaft 35 is fixed to the spray gun 1 through a bracket or a bolt, the second driving wheel 32 is connected to the second driven wheel 33 in a transmission manner, and the transmission shaft 35 is hollow. The drive shaft 35 passes through the hollow guide rod 4 and drives the spray gun 1 to rotate, so that the volume of the spray gun assembly can be effectively reduced.

Compared with the prior art the beneficial effects of the utility model mainly appear: the spray gun assembly can perform spraying operation on the special-shaped workpiece through the first driving device and the second driving device which are matched with each other; specifically, the first driving device fixed on the station can drive the guide rod to reciprocate relative to the first driving device, so as to drive the spray gun to reciprocate; secondly, the second driving device can drive the spray gun to rotate relative to the guide rod, for example, the muzzle of the spray gun is moved from one side of the workpiece to the other side, so that the spraying dead angle of the spray gun assembly in the using process is avoided or reduced, namely, the convenience of the spray gun assembly in the using process is improved.

In this specification, unless explicitly stated or limited otherwise, a first feature may be "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate 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.

In the description herein, references to the description of the term "preferred embodiment," "yet another embodiment," "other embodiments," or "specific examples," etc., 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 application. In this specification, the schematic representations of the terms used above are not necessarily intended to 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. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. A spray gun assembly characterized by: the spray gun comprises a spray gun, a first driving device, a second driving device and a guide rod, wherein the first driving device and the second driving device are connected with the guide rod, the first driving device is used for driving the guide rod to reciprocate relative to the first driving device, the spray gun is connected with the second driving device, and the second driving device is used for driving the spray gun to rotate relative to the guide rod.

2. The spray gun assembly of claim 1 wherein: the wire threading device is characterized by further comprising a wire threading guide pipe, wherein the wire threading guide pipe and the guide rod are arranged at intervals relative to the axis of the wire threading guide pipe and the axis of the guide rod, and two ends of the wire threading guide pipe are fixedly connected with the guide rod.

3. The spray gun assembly of claim 1 or 2 wherein: the powder coating cleaning and blowing device is characterized by further comprising a cleaning and blowing assembly, wherein the cleaning and blowing assembly is fixedly connected with the first driving device and used for blowing powder coating attached to the guide rod and/or the threading guide pipe.

4. The spray gun assembly of claim 3 wherein: the cleaning and blowing assembly comprises a gas collecting main pipe and a plurality of nozzles, the nozzles are connected with the gas collecting main pipe and face the guide rod and/or the threading guide pipe, and the gas collecting main pipe is used for being connected with a gas source.

5. The spray gun assembly of claim 3 wherein: the cross-section of guide bar is the rectangle, just guide bar cavity sets up.

6. The spray gun assembly of claim 5 wherein: first drive arrangement includes first motor, first connecting seat, first action wheel and a plurality of first follow driving wheel, first from the driving wheel ring establish and the butt in week side of guide bar, just first from the driving wheel with first connecting seat is connected, first action wheel with the drive shaft of first motor is connected, just first motor with first connecting seat fixed connection, first from the driving wheel with the guide bar transmission is connected, the connecting seat is used for making the spray gun subassembly is fixed in on the spraying station.

7. The spray gun assembly of claim 6 wherein: the guide rod is further provided with a rack along the axial direction of the guide rod, the first driving wheel is a gear, and the first driving wheel is meshed with the rack.

8. The spray gun assembly of claim 7 wherein: the rack and the first driving wheel are both located at the bottom of the guide rod.

9. The spray gun assembly of any one of claims 6-8 wherein: the second driving device is connected to the first end of the guide rod, and the spray gun is connected to the second end of the guide rod.

10. The spray gun assembly of claim 9 wherein: the second driving device comprises a second motor, a second driving wheel, a second driven wheel, a second connecting seat and a transmission shaft, the guide rod is sleeved outside the transmission shaft, the transmission shaft is rotatably connected with the guide rod, the guide rod and the second motor are fixedly connected with the second connecting seat, the second driving wheel is connected with the second motor, the second driven wheel is connected with the transmission shaft, the second driving wheel is in transmission connection with the second driven wheel, and the transmission shaft is hollow.