CN219400626U - Grounding device of electrostatic powder spraying equipment - Google Patents

Abstract

The application discloses electrostatic powder spraying equipment grounding device belongs to electrostatic powder spraying auxiliary assembly technical field. The device mainly comprises a supporting part and a powder spraying main body arranged on one side of the supporting part, wherein a conveying chain is arranged on the supporting part, and a grounding device comprises a mounting plate arranged on the conveying chain, and a grounding part is arranged on the mounting plate; the support part is provided with a sliding rail component; a metal bracket is arranged on the sliding rail assembly, a grounding column is arranged on the metal bracket, and a grounding wire is connected between the grounding column and the grounding part; the metal support is suitable for synchronously moving on the sliding rail component when the mounting plate moves in and out of the powder spraying main body along with the conveying chain. The utility model provides a static powder spraying equipment earthing device through being provided with slide rail assembly, can fix the metal support on slide rail assembly when electrostatic spraying to pass through wire lug connection with anchor clamps and metal support, avoid adopting the conveying chain as the earthing medium, thereby simplified the ground connection process, reduced the possibility of taking place the ground fault.

Description

Grounding device of electrostatic powder spraying equipment

Technical Field

The application relates to the technical field of auxiliary accessories for electrostatic powder spraying, in particular to a grounding device of electrostatic powder spraying equipment.

Background

The electrostatic spraying method is characterized in that a high-voltage electrostatic electric field is utilized to enable negatively charged paint particles to directionally move along the direction opposite to the electric field and adsorb the paint particles on the surface of a workpiece, when in electrostatic spraying, a spray gun or a spray disc and paint particles in a spray cup are partially connected with a negative electrode, the workpiece is connected with a positive electrode and grounded, and under the high voltage action of the high-voltage power supply, an electrostatic field is formed between the end part of the spray gun (or the spray disc and the spray cup) and the workpiece, so that the paint particles move to the surface of the workpiece and form a coating, and therefore, in electrostatic spraying, no matter whether the workpiece is a conductor or not, the workpiece needs to be grounded;

in the existing electrostatic spraying system, the grounding way of the coated object is generally as follows: the workpiece (i.e. sprayed object), the clamp, the conveying chain, the metal bracket and grounding, but in the production process, the grounding medium conveying chain is easy to be attached with paint, and meanwhile, the conveying chain is often coated with lubricating oil, so that the conductive effect is affected, and the poor conductive effect is generated at the connecting point of the clamp and the conveying chain, so that the grounding device of the electrostatic powder spraying equipment is needed to solve the problem.

It should be noted that the above information disclosed in this background section is only for understanding the background of the present application concept and, therefore, it may contain information that does not constitute prior art.

Disclosure of Invention

Based on the above problems existing in the prior art, the problems to be solved by the present application are: the grounding device of the electrostatic powder spraying equipment solves the problem that the grounding effect is poor due to poor conducting effect of a conveying chain in the existing electrostatic spraying system.

The technical scheme adopted for solving the technical problems is as follows: the grounding device of the electrostatic powder spraying equipment comprises a supporting part and a powder spraying main body arranged on one side of the supporting part, wherein the powder spraying main body is used for electrostatic powder spraying operation of a workpiece, a conveying chain is arranged on the supporting part, the grounding device comprises a mounting plate, the mounting plate is mounted on the conveying chain and used for placing the workpiece, and the mounting plate is made of a conductive material; at least one group of grounding parts mounted on the mounting plate; a slide rail assembly mounted on the support portion; at least one group of metal brackets which are arranged on the sliding rail component, wherein at least one group of grounding posts are arranged on the metal brackets, the grounding posts correspond to the grounding parts, and a grounding wire is connected between the grounding posts and the grounding parts; the metal support is suitable for synchronously moving on the sliding rail component when the mounting plate moves in and out of the powder spraying main body along with the conveying chain.

Further, the sliding rail assembly comprises a sliding rail arranged on the supporting portion, a sliding block is slidably arranged on the sliding rail, and the metal support is fixed with the sliding block.

Furthermore, the sliding rail and the sliding block are made of non-conductor materials.

Further, the mounting plate is provided with a fixing part, and the fixing part is used for limiting the workpiece.

Further, the conveying chain comprises a motor arranged at the lower end of the supporting part, a first driving wheel is arranged at the output end of the motor, a first transmission shaft is connected to the upper end bearing of the supporting part, a second driving wheel is arranged on the first transmission shaft, and the second driving wheel is in transmission connection with the first driving wheel through a chain;

the first sprocket is all installed at the both ends of first transmission shaft, the second transmission shaft is installed to the supporting part bearing, and the both ends of second transmission shaft are fixed with the second sprocket, the second sprocket with first sprocket passes through chain drive and is connected.

The beneficial effects of this application are: the utility model provides a pair of electrostatic powder spraying equipment earthing device through being provided with slide rail assembly, can fix the metal support on slide rail assembly when electrostatic spraying to pass through wire lug connection with anchor clamps and metal support, avoid adopting the conveying chain as the earthing medium, thereby simplified the ground connection process, reduced the possibility of taking place the ground fault.

In addition to the objects, features, and advantages described above, there are other objects, features, and advantages of the present application. The present application will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application.

In the drawings:

FIG. 1 is a schematic view of a grounding device of an electrostatic powder spraying apparatus;

FIG. 2 is a schematic view of the partial structure at A in FIG. 1;

FIG. 3 is a schematic view of the partial structure at B in FIG. 1;

FIG. 4 is a schematic view of the partial structure of FIG. 3 at C;

wherein, each reference sign in the figure:

1. a support part; 2. a powder spraying main body; 3. a conveyor chain; 31. a motor; 32. a first driving wheel; 33. a second driving wheel; 34. a first drive shaft; 35. a first sprocket; 4. a clamp; 41. a mounting plate; 42. a fixing part; 43. a grounding part; 5. a slide rail; 6. a ground wire; 7. a slide block; 8. a metal bracket; 81. and a grounding column.

Detailed Description

It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.

As shown in fig. 1, the application provides a grounding device of an electrostatic powder spraying device, which comprises a supporting part 1 and a powder spraying main body 2 arranged on one side of the supporting part 1, wherein the powder spraying main body 2 is used for electrostatic powder spraying operation of a workpiece, a conveying chain 3 is arranged on the supporting part 1, at least one group of clamps 4 are arranged on the conveying chain 3, the clamps 4 are used for placing the workpiece, the clamps 4 are driven by the conveying chain 3 to carry the workpiece into the powder spraying main body 2, and the clamps 4 are driven by the conveying chain 3 to be separated from the powder spraying main body 2 after powder spraying is finished;

as shown in fig. 2, the conveying chain 3 comprises a motor 31 fixedly installed at the lower end of the supporting part 1, the motor 31 is positioned at one end of the supporting part 1 far away from the powder spraying main body 2, a first driving wheel 32 is fixed at the output end of the motor 31, meanwhile, a first transmission shaft 34 is connected to the upper end bearing of the supporting part 1, a second driving wheel 33 is fixedly installed on the first transmission shaft 34, and the second driving wheel 33 is connected with the first driving wheel 32 through chain transmission, so that the first transmission shaft 34 can rotate under the driving of the motor 31;

a first sprocket 35 is fixed at both ends of the first transmission shaft 34, while a second transmission shaft (not shown in the figure) is bearing-mounted on the support part 1 at a position of the powder spraying body 2, and second sprockets are fixed at both ends of the second transmission shaft, and are connected with the first sprocket 35 through a chain transmission;

in summary, the conveying chain 3 can drive the clamp 4 on the supporting part 1 to drive under the driving of the motor 31, and the structure and principle of the conveying chain 3 are the prior art and are not limited excessively;

as shown in fig. 3 to 4, the fixture 4 comprises a mounting plate 41 fixedly mounted on the conveying chain 3, the mounting plate 41 is used for placing a workpiece, meanwhile, the mounting plate 41 is made of a metal conductive material, at least one group of fixing parts 42 are arranged on the mounting plate 41, the fixing parts 42 are used for limiting and fixing the workpiece, and the workpiece is placed to deviate in the conveying and powder spraying processes;

in order to achieve the electrostatic powder spraying process of the workpiece, the workpiece needs to be subjected to grounding treatment, so that a grounding assembly, specifically, a grounding assembly is connected to the mounting plate 41:

the grounding assembly comprises a plurality of groups of grounding parts 43 fixedly mounted on the mounting plate 41, and meanwhile, a metal bracket 8 is arranged on the supporting part 1, the metal bracket 8 is made of non-metal conductive materials and is directly subjected to grounding treatment, a plurality of groups of grounding posts 81 are arranged on the metal bracket 8, the grounding posts 81 are in one-to-one correspondence with the grounding parts 43, and grounding wires 6 are connected between the corresponding grounding posts 81 and the grounding parts 43, so that a workpiece is directly grounded through the grounding wires 6 through the mounting plate 41, the grounding parts 43 and the metal bracket 8, and a conveying chain 3 is prevented from being used as a grounding medium, so that the grounding process is simplified, and the possibility of grounding faults is reduced;

in order to prevent the ground wire 6 from being wound and pulled as the jig 4 moves in and out of the powder injection main body 2, the ground wire 6 is provided in a structure that moves together with the jig 4, specifically:

a sliding rail assembly is arranged on the supporting part 1, the sliding rail assembly comprises a sliding rail 5 fixedly installed with the supporting part 1, meanwhile, a sliding block 7 is slidably installed on the sliding rail 5, and a metal bracket 8 is fixed on the sliding block 7, so that when the fixture 4 carries a workpiece into and out of the powder spraying main body 2, the metal bracket 8 can move along the sliding rail assembly, and therefore the ground wire 6 is prevented from winding and pulling;

meanwhile, the sliding rail component can be made of non-conductor materials so as to prevent the workpiece from being influenced by grounding.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (5)

1. The utility model provides an electrostatic powder spraying equipment earthing device, includes supporting part (1) and sets up powder spraying main part (2) of supporting part (1) one side, powder spraying main part (2) are used for the electrostatic powder spraying operation of work piece, be provided with conveyer chain (3), its characterized in that on supporting part (1): the grounding device comprises:

the mounting plate (41) is mounted on the conveying chain (3) and used for placing workpieces, and the mounting plate (41) is made of a conductive material;

at least one group of grounding parts (43), wherein the grounding parts (43) are arranged on the mounting plate (41);

a slide rail assembly mounted on the support (1);

at least one group of metal brackets (8), wherein the metal brackets (8) are arranged on the sliding rail assembly, at least one group of grounding posts (81) are arranged on the metal brackets (8), the grounding posts (81) correspond to the grounding parts (43), and a grounding wire (6) is connected between the grounding posts (81) and the grounding parts (43);

wherein the metal bracket (8) is suitable for synchronously moving on the sliding rail component when the mounting plate (41) moves in and out of the powder spraying main body (2) along with the conveying chain (3).

2. The electrostatic spraying device grounding apparatus according to claim 1, wherein: the sliding rail assembly comprises a sliding rail (5) arranged on the supporting part (1), a sliding block (7) is slidably arranged on the sliding rail (5), and the metal bracket (8) is fixed with the sliding block (7).

3. An electrostatic spraying device grounding apparatus according to claim 2, characterized in that: the sliding rail (5) and the sliding block (7) are made of non-conductor materials.

4. The electrostatic spraying device grounding apparatus according to claim 1, wherein: the mounting plate (41) is provided with a fixing part (42), and the fixing part (42) is used for limiting a workpiece.

5. The electrostatic spraying device grounding apparatus according to claim 1, wherein: the conveying chain (3) comprises a motor (31) arranged at the lower end of the supporting part (1), a first driving wheel (32) is arranged at the output end of the motor (31), a first driving shaft (34) is connected to the upper end bearing of the supporting part (1), a second driving wheel (33) is arranged on the first driving shaft (34), and the second driving wheel (33) is in driving connection with the first driving wheel (32) through a chain;

the two ends of the first transmission shaft (34) are provided with first chain wheels (35), the bearing of the supporting part (1) is provided with a second transmission shaft, two ends of the second transmission shaft are fixedly provided with second chain wheels, and the second chain wheels are connected with the first chain wheels (35) through chain transmission.