TWI426557B - Coating device - Google Patents

Description

Coating device

The invention relates to a coating device.

Coating is a technology widely used in industrial production to change the surface characteristics of workpieces. In order to obtain a variety of different properties on the surface of the workpiece, it is often necessary to perform multiple coating on the workpiece. Therefore, it is necessary to apply the coated workpiece to different coating machines. Switch between to obtain different coating layers. However, the prior art coating machine often adopts a single-line flow operation method, that is, the plurality of coating machines are arranged side by side on the same line, and the assembly line runs through all the coating devices. The workpiece is sequentially coated through each coating machine through a pipeline, and each coating machine is provided with two doors to facilitate the entry and exit of the workpiece. The method of transporting the workpieces requires that the coating machines need to communicate with each other through the valves, and it is easy to cause convection of the coating gases during the transfer of the product to contaminate the coating space, affecting the coating quality of the products, and in addition, the maintenance of the coating machine will also Because connecting to each other becomes very troublesome.

In view of this, it is necessary to provide a coating device that can improve the quality of the coating.

A coating apparatus includes a bracket, a plurality of coating chambers, a plurality of independent conveyor belts, a plurality of turrets, and at least one carrier tray. The plurality of coating chambers are spaced apart from each other on the support, and each of the coating chambers includes a hatch. The plurality of conveyor belts are disposed around the each coating cavity on the bracket and extend to each of the coating chambers Outside the door. The plurality of turrets are respectively disposed between each of two mutually independent conveyor belts. The at least one carrier disk is carried on the conveyor belt, and is sequentially driven by the conveyor belt to enter the plurality of coating chambers to coat the workpieces carried on the carrier tray.

Compared with the prior art, the coating device of the present invention realizes the automatic conversion between the plurality of coating cavities by the conveyor belt laying on the periphery of the coating chamber and extending to the front of the coating chamber, thereby realizing the automatic conversion between the plurality of coating cavities, thereby making the plurality of coating cavities The bodies are arranged separately from each other, which avoids the contamination of the coating gas and improves the quality of the coating. In addition, the automated process effectively increases the production efficiency.

100‧‧‧ coating device

110‧‧‧ bracket

112‧‧‧ Track

114‧‧‧Track sensor

120‧‧‧coating cavity

122‧‧‧hatch

130‧‧‧Conveyor belt

140‧‧ Turntable

141‧‧‧rail

142‧‧‧ sensor

144‧‧‧Rotary servo

146‧‧‧Transmission servo

150‧‧‧carrier tray

152‧‧‧Roller

1 is a perspective view of a coating apparatus provided by the present invention.

Figure 2 is a partial enlarged view of the coating device of Figure 1.

Figure 3 is a plan view of the carrier tray of the coating apparatus of Figure 1.

4 is a perspective view of a carrier tray of the coating device of FIG. 1.

Referring to FIG. 1 to FIG. 2, a coating apparatus 100 according to a preferred embodiment of the present invention is provided. The coating apparatus 100 includes a bracket 110, a plurality of coating chambers 120, a plurality of independent conveyor belts 130, a plurality of turrets 140, and at least one carrier tray 150. The plurality of coating cavities 120 are spaced apart from the bracket 110, and each of the coating cavities 120 includes a hatch 122. The plurality of conveyor belts 130 are disposed on the bracket 110 and surround each of the coating chambers 120 and extend outside the hatch 122 of each coating chamber 120. The plurality of turntables 140 are disposed between each of two mutually independent conveyor belts 130, respectively. The at least one carrier disk 150 is carried on the conveyor belt 130, and sequentially enters the plurality of coating cavities 120 for coating under the driving of the conveyor belt 130.

The bracket 110 is used to support the coating cavity 120, the conveyor belt 130, the turntable 140, and a plurality of driving devices (not shown) for driving the conveyor belt 130 and the turntable 140 to rotate. In order to enable the carrier tray 150 to move smoothly under the driving of the conveyor belt 130, a plurality of concave tracks 112 are disposed on the surface of the bracket 110, and the concave track 112 surrounds the coating cavity. 120 extends beyond the door 122 of the coating chamber 120. An orbital sensor 114 may be disposed in the track 112 of the bracket 110 for transmitting a signal to the turntable 140 when the carrier tray 150 passes, and the turntable 140 rotates according to the signal so as to be currently located with the carrier tray 150. The tracks 112 are connected.

The coating chamber 120 is used for coating a workpiece to be coated. The plurality of coating cavities 120 are used to plate different layers of the product. The orientation of the hatch 122 of the plurality of coating chambers 120 is the same. And a loading and unloading device (not shown) for loading and unloading the carrier tray 150 is disposed inside the coating cavity 120 for automatically loading the carrier disk 150 to a predetermined position in the coating cavity 120, and after the coating is completed. The carrier tray 150 is removed and repositioned on the conveyor belt 130 outside the door 122. In order to simplify the structure of the coating chamber 120, the conveyor belt 130 in front of the hatch 122 can also directly extend into the interior of the coating chamber 120, so that the carrier tray 150 can be directly loaded by the conveyor belt into the interior of the coating chamber 120 for coating.

Referring to FIG. 3, the plurality of conveyor belts 130 are respectively laid over the bracket 110 and housed in the rails 112 of the bracket 110. In order to enable the carrier 150 provided with the workpiece to be coated to smoothly enter the coating cavity 120 according to a predetermined path for coating, and to smoothly enter the next coating cavity after the coating is completed, the plurality of conveyors 130 are independent of each other. And can be forward and reverse. In this embodiment, two conveyor belts 130 are disposed on one side of the coating chamber 120 where the hatch 122 is disposed, and one opposite end of the two conveyor belts 130 is disposed to hang down with the two conveyor belts 130. The conveyor belt 130 extends straight to the position of the hatch 122.

The plurality of turrets 140 are respectively disposed at joint positions between the plurality of conveyor belts 130 to enable the carrier tray 150 carried on the conveyor belt 130 to change tracks to reach a designated position. Guide rails 141 corresponding to the rails 112 of the bracket 110 and matablely coupled are disposed on the surface of the turntable 140. In order to enable the turntable 140 to accurately perform its function, a plurality of sensors 142, a rotary servo mechanism 144 and a transfer servo mechanism 146 are disposed on the turntable 140. The rotation servo 144 can receive the sensing signal of the orbiting sensor 114 disposed on the bracket 110 and align the turntable 140 with the track 112 having the carrier 150 so that the carrier 150 can move smoothly. To the turntable 140. The plurality of sensors 142 are respectively disposed on the surface of the turntable 140 to sense whether the surface of the carrier 150 in contact with the conveyor belt 130 completely enters the guide rail 141 of the turntable 140 and is in contact with the transfer servo 146. In contact, when the carrier disk 150 is completely detached from the track 112 and the conveyor belt 130, the plurality of sensors 142 simultaneously send signals to the rotary servo mechanism 144. The rotary servo mechanism 144 rotates the turntable 140 by 90 degrees to interface with the next conveyor belt 130 and the track 112. When the rotary servo 144 is rotated, a signal is sent to the transfer servo 146, which drives the carrier 150 into the next track 112 and is carried by the conveyor 130 to a designated position.

Referring to FIG. 4, the carrier tray 150 is used to carry a workpiece. In order to increase the stability in the conveyor belt 130 and the rail 112, two rollers 152 are disposed at the bottom thereof, and the roller 150 is normally combined with the rail 112 or The bottom surface of the guide rail 141 is separated, and when the carrier tray 150 is tilted due to the change of direction, the roller 152 may be supported on the bottom surface of the rail 112 or the rail 141 to prevent the carrier tray 150 from tipping over.

In use, a workpiece to be coated is disposed in the carrier tray 150, the carrier tray 150 Moving within the track 112 of the bracket 110 by the conveyor belt 130, when the carrier tray 150 is moved onto the turntable 140 between the two conveyor belts 130 and fully enters the guide rails 141 of the turntable 140, The turntable 140 is rotated 90 degrees by the rotation servo mechanism 144 to align the guide rail 141 with the rail 112, and then the transport servo mechanism 146 feeds the carrier tray 150 into the rail 112 and is conveyed by the conveyor belt 130 to the coating chamber 120. At the door position. The coating cavity 120 is automatically loaded into the coating cavity 120 by the loading device inside the coating cavity 120, and after the coating is completed, the carrier disk 150 is removed from the coating cavity 120 and placed in the door. At the outer conveyor belt 130, at this time, the conveyor belt 130 outside the hatch 122 is reversed, and the carrier tray 150 is transported to the turntable 140. The turntable 140 is rotated 90 degrees to interface with the next rail 112, and drives the load. The disk 150 is moved into the next track 112 and transported by the conveyor belt 130 to the next work session.

The coating device 100 of the present invention realizes the automatic loading of the carrier disk 150 between the plurality of coating cavities 120 by the rails 112 and the conveyor belt 130 which are laid around the coating chamber 120 and extend to the front of the door 122 of the coating chamber 120. In this way, the plurality of coating cavities 120 can be separately arranged separately, thereby avoiding the contamination of the coating gas and thereby improving the quality of the coating. In addition, the automated process effectively improves the production efficiency.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.

100‧‧‧ coating device

110‧‧‧ bracket

112‧‧‧ Track

120‧‧‧coating cavity

130‧‧‧Conveyor belt

140‧‧ Turntable

150‧‧‧carrier tray

Claims (5)

A coating device comprising a bracket, a plurality of coating chambers, a plurality of independent conveyor belts, a plurality of turrets, and at least one carrier tray, wherein the plurality of coating chambers are spaced apart on the bracket, each coating chamber includes a a door, the surface of the bracket is provided with a plurality of concave tracks, the track surrounds the coating cavity and extends outside the door of the coating cavity, and the plurality of conveyor belts are disposed above the bracket and are respectively accommodated Within the track, the plurality of turrets are respectively disposed between each of two mutually independent conveyor belts for causing a carrier tray carried on the conveyor belt to change orbit to reach a designated position, At least one carrier disk is carried on the conveyor belt, and the plurality of coating chambers are sequentially driven by the conveyor belt to coat the workpieces carried on the carrier tray. The coating apparatus according to claim 1, wherein a guide rail corresponding to the rail of the bracket and which is matablely coupled is provided on a surface of the turntable. The coating device of claim 2, wherein a plurality of sensors, a rotary servo mechanism, and a transfer servo are disposed on the turntable, and the plurality of sensors are respectively disposed on the turntable On the surface of the surface for sensing whether the surface of the carrier disk in contact with the conveyor belt is completely in. When the carrier disk is completely separated from the track and the conveyor belt, the plurality of sensors simultaneously send a signal to the rotary servo mechanism, the rotary servo The mechanism causes the turret rotation degree to be in contact with the next conveyor belt and the track. When the rotation servo mechanism is rotated, a signal is sent to the transmission servo mechanism, and the transmission servo mechanism drives the carrier tray into the next track and is carried by the conveyor belt to At the specified location. The film coating device of claim 3, wherein the track of the bracket is provided with an orbit sensor, and the track sensor sends a signal to the turntable when the carrier plate passes the track. The rotary servo of the turntable receives the signal of the track sensor disposed on the bracket and drives The turntable is contiguous with the track having the carrier. The coating device of claim 4, wherein the bottom of the carrier tray is provided with two rollers.