CN112756135A

CN112756135A - Powder spraying system

Info

Publication number: CN112756135A
Application number: CN202011609574.0A
Authority: CN
Inventors: 段举合
Original assignee: ZHONGSHAN JOIHEY ELECTROMECHANICAL EQUIPMENT CO Ltd
Current assignee: ZHONGSHAN JOIHEY ELECTROMECHANICAL EQUIPMENT CO Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-05-07

Abstract

The invention discloses a powder spraying system, comprising: a first linear module; the first support is arranged on the first linear module, and the first linear module can drive the first support to move along the conveying direction of the workpiece; the second linear modules can independently act, the second linear modules are arranged on the first support at intervals along the vertical direction, each second linear module is provided with a spray gun, and the second linear modules can drive the spray guns to move towards the workpiece; the section detection device is used for detecting the outer contour shape of the section of the workpiece along the conveying direction; the control device is electrically connected with the first straight line module, the second straight line module and the section detection device. In the process of powder spraying on the workpiece, the control device can control the first linear module to drive the first support to move along the conveying direction of the workpiece, so that the spray gun can move along with the workpiece, the spraying time of the workpiece is increased, and the spraying quality is improved.

Description

Powder spraying system

Technical Field

The invention relates to the field of powder spraying, in particular to a powder spraying system.

Background

Traditional flush coater disposes many spray guns that can up-and-down reciprocating motion simultaneously usually, the spray gun can carry out the spraying to hanging the surface of carrying out the work piece of carrying on the conveyor chain, however, the spray gun is when carrying out the spraying operation, its effective spraying distance is limited, when the distance of spray gun apart from the spraying face surpassed effective spraying distance, can't guarantee the spraying quality, therefore, when spraying the comparatively complicated work piece of surface shape, there is the spraying dead angle that surpasses effective spraying distance, can't guarantee the spraying quality, often need the manual work to carry out the spraying operation, low in output, high cost, and workman's intensity of labour is great.

In order to solve the problems, the spraying system capable of self-adapting to the surface shape of the workpiece specifically comprises a control device, a section detection device and a plurality of spray guns capable of moving towards the workpiece, wherein the section detection device is used for detecting the outline shape of the section of the workpiece along the conveying direction, the control device is used for analyzing and judging the distances from the spray guns at different positions to the surface of the workpiece, and the spray guns can move towards the workpiece under the control of the control device, so that the distances from the spray guns at different positions to the surface of the workpiece are effective spraying distances.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a powder spraying system which can increase the spraying time of a workpiece.

A powder spraycoating system according to an embodiment of the invention comprises: a first linear module; the first bracket is arranged on the first linear module, and the first linear module can drive the first bracket to move along the conveying direction of the workpiece; the second linear modules can independently act, the second linear modules are arranged on the first support at intervals along the vertical direction, each second linear module is provided with a spray gun, and the second linear modules can drive the spray guns to move towards the workpiece; the section detection device is used for detecting the outer contour shape of the section of the workpiece along the conveying direction; and the control device is electrically connected with the first linear module, the second linear module and the section detection device.

The powder spraying system provided by the embodiment of the invention has at least the following beneficial effects: in the process of powder spraying on the workpiece, the outer contour shape of the section of the workpiece along the conveying direction is detected by the section detection device, then the detection data is fed back to the control device, the control device analyzes the received detection data, and judging the distance from the spray gun at different positions to the surface of the workpiece, then the control device drives the spray gun to move towards the workpiece through the second linear module, so as to ensure that the distances from the spray guns at different positions to the surface of the workpiece are effective spraying distances, thereby being capable of automatically adapting to the workpiece with a more complex surface shape, wherein the control device can control the first linear module to drive the first bracket to move along the conveying direction of the workpiece, so that the spray gun can move along with the workpiece, and the spraying time of the workpiece is increased, and the spraying quality is improved.

According to some embodiments of the invention, the first linear module is a rack and pinion linear module, which is simple in structure and easy to implement.

According to some embodiments of the present invention, the second linear module is a synchronous belt type linear module, which is simple in structure and easy to implement.

According to some embodiments of the invention, a guide mechanism is arranged on the second linear module corresponding to the spray gun, and is used for limiting the moving track of the spray gun so as to improve the stability of the spray gun during moving.

According to some embodiments of the invention, the guide mechanism comprises a second support and two guide wheels, the second support is arranged at one end, close to the workpiece, of the second linear module, the two guide wheels are arranged on the second support and are arranged in a vertically staggered manner, and a gun rod of the spray gun is clamped between the two guide wheels.

According to some embodiments of the invention, the outer peripheral surfaces of the two guide wheels are respectively provided with a limiting groove, the top of the gun rod of the spray gun is at least partially positioned in one limiting groove, and the bottom of the gun rod of the spray gun is at least partially positioned in the other limiting groove, so that the gun rod of the spray gun is limited, and the stability of the spray gun during movement is further improved.

According to some embodiments of the invention, the second bracket is provided with a cleaning device corresponding to the spray gun, and the cleaning device is used for cleaning powder attached to the spray gun during color change so as to prevent color cross phenomenon after color change.

According to some embodiments of the invention, the cleaning device comprises a nozzle assembly arranged on the second support and capable of blowing air towards the lance, which is structurally simple and easy to implement.

According to some embodiments of the invention, the nozzle assembly comprises a nozzle main body arranged on the second support, the nozzle main body is annular and is sleeved on the spray gun, a containing cavity is arranged in the nozzle main body, an air inlet communicated with the containing cavity is arranged on the nozzle main body, the air inlet is used for being connected with an air source, an air outlet communicated with the containing cavity is arranged on the inner circumferential surface of the nozzle main body, the air outlet is annular, and the central line of the air outlet is collinear with the central line of the inner circumferential surface of the nozzle main body, so that the nozzle main body can clean powder attached to the outer circumferential side of the spray gun in all directions, and the cleaning efficiency is improved.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is an enlarged view of a portion of FIG. 2 at B;

FIG. 4 is a schematic structural view of a nozzle body according to an embodiment of the present invention;

fig. 5 is a partially enlarged schematic view of C in fig. 4.

Reference numerals:

the spray gun comprises a first linear module 100, a first bracket 200, a second linear module 300, a spray gun 400, a second bracket 500, a guide wheel 600, a limiting groove 610, a nozzle body 700, an air inlet 710 and an air outlet 720.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that if an orientation description is referred to, for example, the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to 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, should not be construed as limiting the present invention.

In the description of the present invention, if several, more than, less than, more than, above, below, or within words appear, several means are one or more, several means are two or more, more than, less than, more than, etc. are understood as not including the number, and more than, less than, within, etc. are understood as including the number.

In the description of the present invention, if the first, second, etc. terms appear, they are only used for distinguishing technical features, but are not to be interpreted as indicating or implying relative importance or implying number of indicated technical features or implying precedence of indicated technical features.

In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.

Referring to fig. 1, the powder spray coating system according to the embodiment of the present invention includes a first linear module 100, a first bracket 200, a second linear module 300, a section detecting device, and a control device.

The first support 200 is arranged on the first straight line module 100, the first straight line module 100 can drive the first support 200 to move along the conveying direction of a workpiece, the second straight line module 300 is provided with a plurality of second straight line modules 300 which can independently act, the second straight line modules 300 are arranged on the first support 200 at intervals along the vertical direction, each second straight line module 300 is provided with a spray gun 400, the second straight line modules 300 can drive the spray guns 400 to move towards the workpiece, the section detection device is used for detecting the outline shape of the section of the workpiece along the conveying direction, and the control device is electrically connected with the first straight line module 100, the second straight line modules 300 and the section detection device.

In the process of powder spraying on the workpiece, the outer contour shape of the section of the workpiece along the conveying direction is detected through the section detection device, then the detection data is fed back to the control device, the control device analyzes the received detection data, and judges the distances from the spray guns at different positions to the surface of the workpiece, and then the control device drives the spray guns to move towards the workpiece through the second linear module 300 so as to ensure that the distances from the spray guns at different positions to the surface of the workpiece are effective spraying distances, so that the control device can automatically adapt to the workpiece with a more complex surface shape, wherein the control device can control the first linear module 100 to drive the first support 200 to move along the conveying direction of the workpiece, so that the spray guns 400 can move along with the workpiece, the spraying time of the workpiece is favorably prolonged, and the spraying quality is improved.

In some embodiments, the first linear module 100 is a rack and pinion linear module, and in particular, the first bracket 200 is connected to a rack or a pinion of the rack and pinion linear module, which is simple in structure and easy to implement.

It should be noted that, in some embodiments, the first linear module 100 may also be a synchronous belt type linear module or a ball screw type linear module, which is not limited herein.

In some embodiments, the second linear module 300 is a synchronous belt type linear module, and particularly, the spray gun 400 is connected to a synchronous belt of the synchronous belt type linear module, which is simple in structure and easy to implement.

It should be noted that, in some embodiments, the second linear module 300 may also be a ball screw type linear module or a rack and pinion linear module, which is not limited herein.

In some embodiments, a guide mechanism is disposed on the second linear module 300 corresponding to the spray gun 400 for limiting the moving track of the spray gun 400, so as to improve the stability of the spray gun 400 during moving.

Referring to fig. 2 and 3, in some embodiments, the guide mechanism includes a second bracket 500 and two guide wheels 600, the second bracket 500 is disposed at one end of the second linear module 300 close to the workpiece, the two guide wheels 600 are disposed on the second bracket 500, the two guide wheels 600 are disposed in a vertically staggered manner, and the gun rod of the spray gun 400 is sandwiched between the two guide wheels 600, which is simple in structure and easy to implement.

Referring to fig. 2 and 3, in some embodiments, the outer circumferential surfaces of the two guide wheels 600 are provided with limiting grooves 610, the top of the gun shaft of the spray gun 400 is at least partially located in one of the limiting grooves 610, and the bottom of the gun shaft of the spray gun 400 is at least partially located in the other limiting groove 610, so that the gun shaft of the spray gun 400 is limited, and the stability of the spray gun 400 during movement is further improved.

In some embodiments, a cleaning device is disposed on the second bracket 500 corresponding to the spray gun 400, and is used for cleaning powder attached to the spray gun 400 during color change to prevent color cross-talk after color change.

In some embodiments, the cleaning device includes a nozzle assembly disposed on the second bracket 500 and capable of blowing air to the spray gun 400, which is simple in structure and easy to implement.

Referring to fig. 2, 4 and 5, in some embodiments, the nozzle assembly includes a nozzle body 700 disposed on the second support 500, the nozzle body 700 is annular and is sleeved on the spray gun 400, an accommodating cavity is disposed in the nozzle body 700, an air inlet 710 communicated with the accommodating cavity is disposed on the nozzle body 700, the air inlet 710 is used for being connected with an air source, an air outlet 720 communicated with the accommodating cavity is disposed on an inner circumferential surface of the nozzle body 700, the air outlet 720 is annular, and a center line of the air outlet 720 is collinear with a center line of the inner circumferential surface of the nozzle body 700, so that the nozzle body 700 can omnidirectionally clean the powder attached to the outer circumferential side of the spray gun 400, which is beneficial to improving cleaning efficiency.

It should be noted that, in some embodiments, as another embodiment of the nozzle assembly, the nozzle assembly includes a plurality of nozzle bodies disposed at intervals and surrounding the circumferential side of the lance, which is not limited herein.

In the description of the present specification, if reference is made to the description of "one embodiment", "some embodiments", "exemplary embodiments", "examples", "specific examples", and "some examples", etc., reference is made to the terminology, it is intended that a particular feature, structure, material, or characteristic described in connection with the embodiment or example be included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above 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.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A powder spray coating system, comprising:

a first linear module (100);

the first bracket (200), the first bracket (200) is arranged on the first linear module (100), and the first linear module (100) can drive the first bracket (200) to move along the conveying direction of the workpiece;

the second linear modules (300) can independently act, the second linear modules (300) are arranged on the first support (200) at intervals along the vertical direction, each second linear module (300) is provided with a spray gun (400), and the second linear modules (300) can drive the spray guns (400) to move towards a workpiece;

the section detection device is used for detecting the outer contour shape of the section of the workpiece along the conveying direction;

the control device is electrically connected with the first linear module (100), the second linear module (300) and the section detection device.

2. Powder spraycoating system according to claim 1, wherein the first linear die set (100) is a rack and pinion linear die set.

3. Powder spraycoating system according to claim 1, characterised in that the second linear die set (300) is a synchronous belt type linear die set.

4. Powder spraycoating system according to claim 1, characterised in that the second linear die set (300) is provided with guiding means in correspondence of the spraygun (400).

5. The powder spray system of claim 4, wherein the guiding mechanism comprises a second bracket (500) and two guiding wheels (600), the second bracket (500) is arranged at one end of the second linear die set (300) close to the workpiece, the two guiding wheels (600) are arranged on the second bracket (500), the two guiding wheels (600) are arranged in a staggered manner, and a gun rod of the spray gun (400) is clamped between the two guiding wheels (600).

6. The powder spraycoating system according to claim 5, wherein the outer peripheral surfaces of both guide wheels (600) are provided with a limiting groove (610), the top of the shank of the spraygun (400) is at least partially located in one of the limiting grooves (610), and the bottom of the shank of the spraygun (400) is at least partially located in the other limiting groove (610).

7. Powder spraycoating system according to claim 5, characterised in that cleaning means are provided on the second carriage (500) in correspondence of the spraygun (400).

8. Powder spraycoating system according to claim 7, characterised in that said cleaning means comprise a nozzle assembly arranged on said second carriage (500) and able to blow air towards said spraygun (400).

9. The powder spray system of claim 8, wherein the nozzle assembly comprises a nozzle body (700) disposed on the second bracket (500), the nozzle body (700) is annular and is disposed on the spray gun (400), a receiving cavity is disposed in the nozzle body (700), an air inlet (710) communicated with the receiving cavity is disposed on the nozzle body (700), the air inlet (710) is used for being connected with an air source, an air outlet (720) communicated with the receiving cavity is disposed on an inner circumferential surface of the nozzle body (700), the air outlet (720) is annular, and a center line of the air outlet (720) is collinear with a center line of an inner circumferential surface of the nozzle body (700).