CN221558820U - Golf ball surface coating machine - Google Patents

Abstract

The utility model discloses a golf ball surface coating machine, which comprises an electrostatic dust removing station, a surface treatment station, a buffer station and an electrostatic spraying station which are sequentially arranged on a golf ball conveying path. The electrostatic dust removal station is used for carrying out electrostatic dust removal treatment on the golf ball. The surface treatment station is used for forming the surface of the golf ball into a charged state. The buffer station is used for volatilizing the solvent remained on the surface of the golf ball. The electrostatic spraying station is used for applying a charged coating to the golf ball, and the charged coating is attached to the surface of the golf ball in a charge adsorption mode to form a uniformly-covered coating.

Description

Golf ball surface coating machine

Technical Field

The utility model relates to a coating machine, in particular to a golf ball surface coating machine.

Background

With the increasing level of living and the importance of outdoor leisure life, there are more and more people who take golf, possibly men or women from various industries or age groups. That is, golf can be played and exchanged by individuals of different industries, different age groups, and different sexes, which is the attractive feature of this game.

In the production of golf balls, surface coating is a very important step in order to form a coating on the outer surface of the ball which provides protection and gloss and increases durability. The existing surface coating technology mostly adopts an air spraying method, and a spray gun utilizes compressed air to generate air flow so as to atomize the coating and spray the atomized coating to the outer surface of the sphere. However, in order to fully cover all the surface area with the paint, it is often necessary to perform air spraying operation from different angles, which easily causes environmental pollution problem that paint particles fly around. In addition, because the paint particles are sent to the outer surface of the sphere by air flow, the air spraying method also has the problems of low paint utilization rate, uneven coating thickness and the like.

Disclosure of utility model

The utility model aims to solve the technical problems of providing a golf ball surface coating machine which embodies the concept of the utility model aiming at the defects of the prior art: the charged material adhered to the surface of golf ball is first eliminated and blown away to eliminate dust and ensure the surface coating quality, and then charged paint is applied to the surface of golf ball, with the paint particles being adhered to the surface of golf ball via charge adsorption to form surface coating gradually accumulated in certain thickness.

In order to solve the above-mentioned problems, one of the technical solutions adopted by the present utility model is to provide a golf ball surface coating machine, which comprises a golf ball conveying path, an electrostatic precipitator station, a surface treatment station, a buffer station and an electrostatic spraying station. The golf ball conveying path is configured to convey a plurality of golf balls to a target location, the golf ball conveying path including a first conveying section, a second conveying section located after the first conveying section, a third conveying section located after the second conveying section, and a swing section located after the third conveying section. The electrostatic dust removal station is arranged on the first conveying section and is provided with at least one electrostatic gun so as to carry out electrostatic dust removal treatment on the golf balls conveyed to the first conveying section. The surface treatment station is arranged on the second conveying section and is provided with at least one conductive liquid spray gun so as to spray conductive liquid to the golf balls conveyed to the second conveying section to enable the surfaces of the golf balls to form a charged state. The buffer station is arranged on the third conveying section and is provided with a volatilization chamber, so that the golf balls conveyed to the third conveying section volatilize the solvent in the conductive liquid in the volatilization chamber. The electrostatic spraying station is arranged on the rotary section and is provided with a disc-type spray head so as to spray a charged coating to the golf ball conveyed to the rotary section, wherein the charged coating is attached to the surface of the golf ball in a charge adsorption mode.

In an embodiment of the present utility model, the electrostatic precipitation station defines a first horizontal reference plane, and the golf ball transferred to the first transfer section is located on the first horizontal reference plane. In addition, at least one static gun comprises at least one upper static gun and at least one lower static gun which are arranged in an up-down symmetrical mode relative to the first horizontal reference plane.

In an embodiment of the present utility model, at least one of the upper electrostatic guns is inclined downward by 20 degrees to 30 degrees with respect to the first horizontal reference plane, at least one of the lower electrostatic guns is inclined upward by 20 degrees to 30 degrees with respect to the first horizontal reference plane, and at least one of the upper electrostatic gun and at least one of the lower electrostatic gun are disposed at a relative distance of 8 cm to 16 cm from the golf ball being transferred to the first transfer section.

In an embodiment of the utility model, the surface treatment station defines a second horizontal reference plane, and the golf ball conveyed to the second conveying section is located on the second horizontal reference plane. In addition, at least one of the conductive liquid spray guns is arranged above the second horizontal reference plane.

In an embodiment of the utility model, at least one of the conductive fluid guns is inclined downwardly at an angle of 35 to 45 degrees relative to the second horizontal reference plane and at least one of the conductive fluid guns is disposed at a relative distance of 8 cm to 16 cm from the golf ball delivered to the second delivery segment.

In an embodiment of the present utility model, the volatilization chamber is provided to have a temperature of 23 ℃ to 27 ℃ and a relative humidity of 55% to 75%, and the residence time of the golf ball transferred to the third transfer section in the volatilization chamber is 1 minute to 3 minutes.

In the embodiment of the utility model, in the surface treatment station, the conductive liquid sprayed by at least one conductive liquid spray gun is coated on the surface of the golf ball conveyed to the second conveying section to form a conductive layer, and the conductive layer has a wet weight of 5mg to 60 mg. In addition, in the buffer station, the conductive layer on the surface of the golf ball transferred to the third transfer section has a dry weight of 0mg to 40mg after leaving the volatilization chamber.

In an embodiment of the present utility model, the electrostatic spraying station defines a third horizontal reference plane, and an inclination angle is formed between the disk-shaped spray head and the third horizontal reference plane, and the inclination angle is 5 degrees to 15 degrees.

In an embodiment of the utility model, the disk-type spray head is configured to spray the charged coating material at a rotational speed of 100rpm to 1000 rpm.

In an embodiment of the utility model, the golf ball surface coating machine further comprises a conveying apparatus comprising a conveyor defining the golf ball conveying path and a plurality of rotating holders, each of the rotating holders being configured to hold one of the golf balls and move on the conveyor.

In an embodiment of the utility model, the golf ball conveying path includes a ball delivering section located before the first conveying section, and a plurality of guide mechanisms are provided at the ball delivering section to guide one or more of the golf balls to be positioned on the corresponding rotational holder.

In general, the golf ball surface coating machine provided by the utility model is characterized in that the electrostatic dust removing station is arranged on the first conveying section to carry out electrostatic dust removing treatment on a ball body, the surface treatment station is arranged on the second conveying section to treat the surface of the ball body by using a conductive liquid to form a charged state, the buffer station is arranged on the third conveying section to volatilize a solvent remained on the surface of the ball body, and the electrostatic spraying station is arranged on the rotary section to apply a charged coating on the surface of the ball body, wherein the charged coating is attached to the surface of the ball body in a charge adsorption manner, a required coating (such as a top coating) can be uniformly coated on the surface of the ball body to form a coating with uniform coating and excellent quality, and coating particles can be reliably attached to the surface of the ball body in the coating process, so that the scattered pollution of the coating is reduced, and the utilization rate of the coating is improved.

Furthermore, the golf ball surface coating machine of the utility model can continuously process a large number of golf balls, and the whole process can be fully automatic without manual operation, thereby being beneficial to realizing the automatic production of golf balls.

For a further understanding of the nature and the technical aspects of the present utility model, reference should be made to the following detailed description of the utility model and the accompanying drawings, which are provided for purposes of reference only and are not intended to limit the utility model.

Drawings

Fig. 1 is a configuration diagram of a golf ball surface coating machine according to the present utility model.

Fig. 2 is a schematic view showing the structure of a finished golf ball obtained by the surface coating machine for golf balls according to the present utility model.

Fig. 3 is a schematic view showing an operation of the electrostatic precipitator station of the golf ball surface coating machine according to the present utility model.

Fig. 4 is a schematic view showing another operation of the electrostatic precipitator station of the golf ball surface coating machine according to the present utility model.

Fig. 5 is a schematic operation view of a surface treating station of the golf ball surface coating machine of the present utility model.

Fig. 6 is a schematic operation view of a buffer station of the golf ball surface coating machine of the present utility model.

Fig. 7 is a schematic view showing an operation of the electrostatic spraying station of the golf ball surface coating machine of the present utility model.

Fig. 8 is a schematic view showing another operation of the electrostatic spraying station of the golf ball surface painting machine of the present utility model.

Fig. 9 is a schematic operation view of a baking apparatus of a golf ball surface coating machine according to the present utility model.

Fig. 10 is a schematic operation view of the guide mechanism of the golf ball surface coating machine of the present utility model.

Detailed Description

The following description is given of specific embodiments of the present utility model with respect to a "golf ball surface coating machine", and those skilled in the art will appreciate the advantages and effects of the present utility model from the disclosure herein. The utility model is capable of other and different embodiments and its several details are capable of modification and variation in various respects, all from the point of view and application, all without departing from the spirit of the present utility model. The drawings of the present utility model are merely schematic illustrations, and are not intended to be drawn to actual dimensions. The following embodiments will further illustrate the related art content of the present utility model in detail, but the disclosure is not intended to limit the scope of the present utility model. In addition, the term "or" as used herein shall include any one or combination of more of the associated listed items as the case may be.

Unless otherwise defined, terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The materials referred to in the examples are, unless otherwise indicated, commercially available or made according to the prior art. The operations or apparatus referred to in the embodiments are those conventionally known in the art unless otherwise specified.

First embodiment

Referring to fig. 1 and 2, fig. 1 shows the construction of a golf ball surface coating machine 1 according to the present inventive concept, and fig. 2 shows a finished golf ball 2 obtained after being processed by the golf ball surface coating machine 1. As shown in fig. 1 and 2, a first embodiment of the present utility model provides a golf ball surface coating machine 1, which can uniformly apply a desired coating (e.g., a top coating) on a surface 210 of a ball 21 to form a coating layer 23 having uniform coating and excellent quality, wherein coating particles can be reliably attached to the surface 210 of the ball 21, thereby reducing scattering pollution of the coating and improving the utilization rate of the coating. The golf ball surface coating machine 1 of the present utility model mainly includes a golf ball conveying path Z and electrostatic precipitator stations 11, surface treatment stations 12, buffer stations 13, and electrostatic spraying stations 14 disposed in this order on the golf ball conveying path Z.

In the present utility model, the golf ball conveying path Z includes a first conveying section Z1, a second conveying section Z2 located after the first conveying section Z1, a third conveying section Z3 located after the second conveying section Z2, and a swing section Z4 located after the third conveying section Z3. The electrostatic precipitator 11 is disposed in the first conveying section Z1 to perform electrostatic precipitator treatment on the balls 21, and remove dust or foreign matters attached to the surfaces 210 thereof due to static electricity. The surface treatment station 12 is arranged in the second conveying section Z2 for treating the surface 210 of the sphere 21 with a conductive liquid to form a charged state (conductive state). The buffer station 13 is arranged in the third conveying section Z3 to volatilize the solvent (solvent in the conductive liquid) remaining on the surface 210 of the sphere 21. The electrostatic spraying station 14 is arranged in the swivel Z4 for applying a charged coating on the surface 210 of the sphere 21, wherein the charged coating is attached to the surface 210 of the sphere 21 by means of charge adsorption (positive and negative charge attraction). Further, positively or negatively charged paint particles may be attracted to the oppositely charged surface 210 to move toward and adhere to the surface 210. The main arrangement or configuration of the various workstations will be described further below.

In practical use, the golf ball surface coating machine 1 includes a conveying device 15 for conveying the ball 21 to a target position (a position where finished golf balls are collected) along a golf ball conveying path Z, as shown in fig. 3 to 8. The conveying apparatus 15 includes a conveyor 151 and a plurality of rotational holders 152, the conveyor 151 may be disposed substantially parallel to the ground, and the conveyor 151 defines a golf ball conveying path Z; the conveyor 151 may be a belt conveyor, but is not limited thereto. Each rotational holder 152 is configured to hold one sphere 21 and move on the conveyor 151, and each rotational holder 152 is configured to rotate the held sphere 21. Further, each of the rotation holders 152 may include a transfer driving part 1521 and a holding part 1522 disposed on the transfer driving part 1521, wherein the holding part 1522 may include at least three supporting positioning posts uniformly distributed along the cross-sectional profile of the transfer driving part 1521, which enable the ball 21 to perform a rotational movement at a predetermined height position above the transfer driving part 1521. However, the above description is only a viable embodiment and is not intended to limit the present utility model.

As shown in fig. 3 and 4, the electrostatic precipitator 11 is provided with at least one electrostatic gun 111 connected to an ion generator (not shown) to spray a concentrated air flow with positive and negative ions onto the spheres 21 conveyed to the first conveying section Z1, and the spheres 21 are driven to rotate by the rotary holder 152 to perform electrostatic elimination (electrostatic neutralization) and blowing away of charged objects attached to the surface 210, thereby achieving the effects of dedusting and ensuring the surface coating quality; in this process, the ball 21 is rotated relative to the electrostatic gun 111 at a predetermined rotation speed by the transfer driving part 1521. In addition, the electrostatic precipitator 11 defines a first horizontal reference plane P1, wherein the spheres 21 conveyed to the first conveying section Z1 are located on the first horizontal reference plane P1, i.e. the spheres 21 may be divided into upper and lower parts by the first horizontal reference plane P1, and preferably the sphere center 21c is located on the first horizontal reference plane P1.

In the present utility model, the electrostatic precipitator 11 is provided with at least one upper electrostatic gun 111a and at least one lower electrostatic gun 111b, and the at least one upper electrostatic gun 111a and the at least one lower electrostatic gun 111b are disposed symmetrically up and down with respect to the first horizontal reference plane P1, so as to increase the coverage area of the ion airflow, so that all the surface areas of the sphere 21 can fully receive the effect of the ion airflow. Preferably, at least one upper electrostatic gun 111a is disposed above the first horizontal reference plane P1, and an included angle θ1 formed between the emergent direction F1 and the first horizontal reference plane P1 is 20 to 30 degrees; at least one lower electrostatic gun 111b is disposed below the first horizontal reference plane P1, and an included angle θ2 formed between the emergent direction F2 and the first horizontal reference plane P1 is 20 to 30 degrees; the at least one upper electrostatic gun 111a and the at least one lower electrostatic gun 111b are arranged at a relative distance D1 from the sphere 21 transported to the first transporting section Z1 of 8 cm to 16 cm, i.e. the shortest horizontal distance between the at least one upper electrostatic gun 111a and the at least one lower electrostatic gun 111b and the sphere 21 transported to the first transporting section Z1 is 8 cm to 16 cm. In practical application, the number of the upper electrostatic guns 111a and the lower electrostatic guns 111b is two to improve the electrostatic dust removal effect, but the utility model is not limited thereto.

As shown in fig. 2 and 5, the surface treatment station 12 is provided with at least one conductive liquid spray gun 121 for spraying conductive liquid onto the spheres 21 conveyed to the second conveying section Z2, and the spheres 21 are rotated in cooperation with the rotation holder 152 to cover the surface 210 with the conductive liquid to form the conductive layer 22, wherein the conductive layer 22 has a wet weight of 5mg to 60mg due to the solvent contained therein; in an embodiment not shown, the conductive fluid may be piped from the reservoir to the conductive fluid gun 121 by the pump assembly. In addition, the surface treatment station 12 defines a second horizontal reference plane P2, wherein the spheres 21 fed to the second feeding section Z2 are located on the second horizontal reference plane P2, i.e. the spheres 21 can be divided into upper and lower parts by the second horizontal reference plane P2, and preferably the sphere center 21c is located on the second horizontal reference plane P2.

In the present utility model, at least one conductive liquid spray gun 121 is disposed above the second horizontal reference plane P2, and the emergent direction F3 thereof is inclined downward with respect to the second horizontal reference plane P2, so that the surface 210 of the sphere 21 is uniformly and completely covered with conductive liquid. Preferably, an included angle θ3 formed between the emitting direction F3 of the at least one conductive liquid spray gun 121 and the second horizontal reference plane P2 is 35 to 45 degrees; the at least one conductive liquid spray gun 121 is arranged at a relative distance D2 from the sphere 21 fed to the second feeding section Z2 of 8 cm to 16 cm, i.e. the shortest horizontal distance between the at least one conductive liquid spray gun 121 and the sphere 21 fed to the second feeding section Z2 of 8 cm to 16 cm.

As shown in fig. 6, the buffer station 13 is provided with a volatilization chamber 131 so that the balls 21 transferred to the third transfer section Z3 volatilize the solvent in the conductive liquid completely in the volatilization chamber 131. In the present utility model, the volatilization chamber 131 can provide constant temperature and humidity environment, so that the solvent of the conductive liquid can be volatilized and dried when the sphere 21 moves towards the rotation section Z4 in the volatilization chamber 131. Further, the spheres 21 delivered to the third delivery segment Z3 have a dry weight of 0mg to 40mg of the conductive layer 22 on the surface 210 thereof after leaving the volatilization chamber 131. Preferably, the volatilization chamber 131 is set to have a temperature of 23 ℃ to 27 ℃ and a relative humidity of 55% to 75%, and the residence time of the spheres 21 fed to the third feeding section Z3 in the volatilization chamber 131 is 1 minute to 3 minutes.

As shown in fig. 2, 7 and 8, the electrostatic spraying station 14 is provided with a disk-type spray head 141 capable of generating centrifugal force by rotation to uniformly disperse charged paint from the disk exterior Zhou Shuaichu and around in the form of mist droplets while moving toward the surface 210 of the sphere 21 by virtue of driving force generated by charge adsorption, wherein paint particles can be positively or negatively charged and the surface 210 of the sphere 21 is oppositely charged to attract paint particles; in this process, the sphere 21 is conveyed by the conveyer 151 in a manner of bypassing around the disk-shaped spray head 141, and the sphere 21 is rotated by the rotation holder 152, and all areas of the surface 210 of the sphere 21 can be attached with paint particles of a certain thickness, thereby forming a uniformly coated layer 23. After the coating 23 is solidified and formed, the finished golf ball 2 is obtained. In practice, the disk-type spray head 141 is operatively connected to the driving device 143 via a shaft 142, and continuously receives paint via a feed tube 144. In addition, the disk nozzle 141 is electrically connected to an electrostatic generator (not shown) so that the paint is electrically charged when entering the disk nozzle 141.

In the present utility model, the disk-type spray head 141 is provided to spray the charged paint at a rotation speed of 100rpm to 1000 rpm. In addition, the electrostatic spraying station 14 defines a third horizontal reference plane P3, wherein the sphere 21 delivered to the rotation section Z4 may be located on the third horizontal reference plane P3 or in the vicinity of the third horizontal reference plane P3, and an inclination angle θ4 between the disk-shaped spray head 141 and the third horizontal reference plane P3 is 5 degrees to 15 degrees.

Further referring to fig. 9, the golf ball surface coating machine 1 of the present utility model may further include a baking device 16, and the ball 21 having the coating layer 23 may be transferred into the baking device 16 by the conveyor 151 after leaving the turn section Z4, and baked while moving toward the target position, so as to shorten the curing molding time of the coating layer 23.

Second embodiment

Referring to fig. 10, in combination with fig. 1 to 7, a golf ball surface coating machine 1 according to a second embodiment of the present utility model includes a golf ball conveying path Z, an electrostatic precipitator station 11, a surface treatment station 12, a buffer station 13, and an electrostatic spraying station 14. The golf ball conveying path Z is configured to convey one or more balls 21 to a target location, and includes a first conveying section Z1, a second conveying section Z2 located after the first conveying section Z1, a third conveying section Z3 located after the second conveying section Z2, and a swing section Z4 located after the third conveying section Z3. The electrostatic precipitation station 11 is disposed in the first conveying section Z1 and provided with at least one electrostatic gun 111 for performing electrostatic precipitation treatment on the balls 21 conveyed to the first conveying section Z1. The surface treatment station 12 is disposed in the second conveying section Z2 and is provided with at least one conductive liquid spray gun 121 for spraying a conductive liquid onto the balls 21 conveyed to the second conveying section Z2 to form the surface 210 thereof into a charged state (conductive state). The buffer station 13 is disposed in the third conveying section Z3 and has a volatilization chamber 131, so that the spheres 21 conveyed to the third conveying section Z3 volatilize the solvent in the conductive liquid in the volatilization chamber 131. The electrostatic spraying station 14 is disposed at the rotating section Z4 and is provided with a disk-type spray head 141 for spraying a charged paint onto the ball 21 conveyed to the rotating section Z4, wherein the charged paint is attached to the surface 210 of the ball 21 by means of charge adsorption (positive and negative charge attraction).

The second embodiment of the present utility model is characterized in that the golf ball transfer path Z includes a ball transfer section Z5 located before the first transfer section Z1, and one or more guide mechanisms 17 are provided at the ball transfer section Z5 to guide and position the ball 21 entering the ball transfer section Z5 on the corresponding rotation holder 152. Further, each alignment mechanism 17 may include two opposite alignment blocks 171, and the two alignment blocks 171 are configured to move in directions approaching each other and define an alignment groove 172, the spatial configuration of the alignment groove 172 matches the shape of the sphere 21, and the alignment groove 172 corresponds to the position of the rotation holder 152. Thus, when the sphere 21 is positioned in the guide groove 172, the guide positioning of the sphere 21 is completed.

The related technical details mentioned in the first embodiment are still valid in this embodiment, and in order to reduce repetition, they are not described here again. Likewise, the related-art details mentioned in the present embodiment can also be applied to the first embodiment.

Advantageous effects of the embodiments

The golf ball surface coating machine provided by the utility model has the advantages that the electrostatic dust removing station is arranged on the first conveying section to carry out electrostatic dust removing treatment on the ball body, the surface treatment station is arranged on the second conveying section to treat the surface of the ball body by using a conductive liquid to form a charged state, the buffer station is arranged on the third conveying section to volatilize a solvent remained on the surface of the ball body, and the electrostatic spraying station is arranged on the rotary section to apply a charged coating on the surface of the ball body, wherein the charged coating is attached to the surface of the ball body in a charge adsorption manner, so that a required coating (such as a top coating) can be uniformly coated on the surface of the ball body to form a coating with uniform coating and excellent quality, and coating particles can be reliably attached to the surface of the ball body in the coating process, thereby reducing scattered pollution of the coating and improving the utilization rate of the coating.

Furthermore, the golf ball surface coating machine of the utility model can continuously process a large number of golf balls, and the whole process can be fully automatic without manual operation, thereby being beneficial to realizing the automatic production of golf balls.

The foregoing disclosure is only a preferred embodiment of the present utility model and is not intended to limit the scope of the claims, so that all equivalent technical changes made by the application of the present utility model and the accompanying drawings are included in the scope of the claims.

Claims (11)

1. A golf ball surface coating machine is characterized in that, the golf ball surface coating machine includes:

A golf ball delivery path configured to deliver a plurality of golf balls to a target location, the golf ball delivery path comprising a first delivery segment, a second delivery segment located after the first delivery segment, a third delivery segment located after the second delivery segment, and a swing segment located after the third delivery segment;

The electrostatic dust removing station is arranged on the first conveying section and is provided with at least one electrostatic gun for carrying out electrostatic dust removing treatment on the golf balls conveyed to the first conveying section;

A surface treatment station arranged on the second conveying section and provided with at least one conductive liquid spray gun for spraying a conductive liquid to the golf balls conveyed to the second conveying section so as to form a charged state on the surfaces of the golf balls;

The buffer station is arranged on the third conveying section and is provided with a volatilization chamber so that the golf balls conveyed to the third conveying section volatilize the solvent in the conductive liquid in the volatilization chamber; and

An electrostatic spraying station arranged on the rotary section and provided with a disc-type spray head for spraying a charged coating to the golf ball conveyed to the rotary section, wherein the charged coating is attached to the surface of the golf ball in a charge adsorption mode.

2. The golf ball surface finishing machine of claim 1, wherein said electrostatic precipitator station defines a first horizontal reference plane, and said golf balls conveyed to said first conveying section are located on said first horizontal reference plane;

at least one of the electrostatic guns comprises at least one upper electrostatic gun and at least one lower electrostatic gun which are arranged in an up-down symmetrical mode relative to the first horizontal reference plane.

3. The golf ball surface painting machine according to claim 2, wherein at least one of the upper electrostatic guns is inclined downward by 20 degrees to 30 degrees with respect to the first horizontal reference plane, at least one of the lower electrostatic guns is inclined upward by 20 degrees to 30 degrees with respect to the first horizontal reference plane, and at least one of the upper electrostatic gun and at least one of the lower electrostatic gun are disposed at a relative distance of 8 cm to 16 cm from the golf ball being conveyed to the first conveying section.

4. The golf ball surface finishing machine of claim 1, wherein said surface treatment station defines a second horizontal reference plane and said golf ball conveyed to said second conveying section is located on said second horizontal reference plane;

At least one of the conductive liquid spray guns is arranged above the second horizontal reference plane.

5. The golf ball surface painting machine according to claim 4, wherein at least one of the electro-conductive liquid spray guns is inclined downward at 35 degrees to 45 degrees with respect to the second horizontal reference plane, and at least one of the electro-conductive liquid spray guns is disposed at a relative distance of 8 cm to 16 cm from the golf ball fed to the second feeding section.

6. The golf ball surface coating machine according to claim 1, wherein the volatilization chamber is provided to have a temperature of 23 ℃ to 27 ℃ and a relative humidity of 55% to 75%, and the residence time of the golf ball conveyed to the third conveying section in the volatilization chamber is 1 minute to 3 minutes.

7. The golf ball surface coating machine according to claim 6, wherein in the surface treatment station, the conductive liquid sprayed from at least one of the conductive liquid spray guns coats the surface of the golf ball transferred to the second transfer section to form a conductive layer, and the conductive layer has a wet weight of 5mg to 60 mg;

Wherein in the buffer station, the conductive layer on the surface of the golf ball transferred to the third transfer section has a dry weight of 0mg to 40mg after leaving the volatilization chamber.

8. The golf ball surface painting machine of claim 1, wherein the electrostatic painting station defines a third horizontal reference plane, and wherein the disc nozzle has an inclination angle with the third horizontal reference plane, the inclination angle being between 5 degrees and 15 degrees.

9. The golf ball surface painting machine of claim 8, wherein the disc nozzle is configured to spray the charged paint at a rotational speed of 100rpm to 1000 rpm.

10. The golf ball surface painting machine according to claim 1, wherein the golf ball surface painting machine further comprises:

A conveying apparatus comprising a conveyor defining the golf ball conveying path and a plurality of rotational holders, each of the rotational holders being arranged to hold one of the golf balls and move on the conveyor.

11. The golf ball surface finishing machine of claim 10, wherein said golf ball delivery path includes a ball delivery segment preceding said first delivery segment, and a plurality of alignment mechanisms are provided at said ball delivery segment to align one or more of said golf balls on corresponding said rotational retainers.