KR0162176B1 - Apparatus for painting or loading steel - Google Patents

Abstract

The present invention relates to an automatic coating and stacking device of a new structure capable of efficiently painting and loading a section steel.

According to the present invention, it is possible to pass a high-frequency preheating device before introducing the shaped steel to be coated into the coating booth, thereby providing a new shaped steel coating apparatus which can be efficiently coated as a simple device.

Further, a polymerization apparatus capable of a reliable polymerization operation with a simple configuration is provided by arranging a pair of arms to polymerize and deposit the finished steel beams and rotating them by a predetermined angle according to the arrangement state of the steel beams.

Description

Section steel automatic coating and loading device

1 is a schematic configuration diagram of a painting and stacking device according to the present invention.

2 and 3 are a front view and a cross-sectional view of the horizontal conveyor unit.

4 is a block diagram of a high frequency preheating unit.

5 is a block diagram of a painting booth.

6 is a configuration diagram of the vertical conveyor unit and the polymerization apparatus.

7 is a configuration diagram of the loading device.

* Explanation of symbols for the main parts of the drawings

10: horizontal conveyor unit 20: high frequency preheating unit

30: paint booth 40: vertical conveyor portion

50: polymerization apparatus 60: loading apparatus

The present invention relates to a section steel automatic coating and loading apparatus, and more particularly, to a new structure automatic coating and loading apparatus capable of painting and loading C-shaped steel or channel steel.

BACKGROUND ART A manufacturing apparatus for a section steel is known in which a massive lightweight C-shaped channel or a channel-shaped steel produced by roll forming is processed in a coating booth, dried, and then loaded and taken out in a batch. Such a conventional apparatus includes a slitting apparatus for cutting a hot coil to a constant width, an uncoiler for flattening the cut strip, a welding portion for welding the strip ends to each other so that the strip can be continuously fed, and a roll forming formed into a section steel of a predetermined cross section. And a section manufacturing apparatus comprising a cutting machine for cutting the formed section steel to a predetermined length, a conveyor for transferring the manufactured section steel to a painting booth, a painting booth for spraying paint, and a heating drying for heating and drying the painted section steel. And an automatic coating device consisting of a cooling device for cooling the coated section steel passed through the heating drying furnace, and an automatic loading device consisting of a polymerizer and a loading machine for loading the two pieces for wrapping the finished section steel. These multiple devices are placed in series so that all processes are automatically batched.

However, these conventional apparatuses are provided with an electric dryer or a gas burner incorporating a heater at the rear end of the coating booth to heat-dry the coating of the section steel passing through the coating booth, and then have a vertical conveyor device for air cooling. However, these drying apparatuses require a lot of maintenance costs or installation space because of their complexity and size, and require a skilled knowledge of the operation of these apparatuses. Let's do it.

In addition, although the conventional steel polymerization apparatus is to lift the steel using an electromagnet, there is a problem that the device is complicated, and the cost is increased and the installation space is required a lot.

The present invention has been proposed in view of the problems of the conventional section automatic stamping apparatus as described above, a new method of automatic section steel can be carried out quickly and efficiently with a simple device for the coating process and the automatic loading process subsequent to the section steel manufacturing process It is to provide a painting and loading device.

The present invention adopts a high frequency preheating method which can preheat the surface of the workpiece rapidly before the coating treatment, instead of omitting the drying furnace or gas burner after the coating treatment, and a new automatic coating with simple and reliable heavy steel pressure device. And a loading device.

According to the present invention, a horizontal conveyor unit for conveying a section steel, which is a workpiece, a high frequency preheating unit installed in the horizontal conveyor unit so that induction heating is performed while the section steel conveyed by the horizontal conveyor unit passes through a high frequency coil, and the high frequency preheating. A painting booth installed at the rear end of the part and having a plurality of paint nozzles formed thereon, and a vertical conveyor part installed at the rear end of the painting booth and picking up the section steel conveyed by the horizontal conveyor part to lift in a vertical direction to air-dry the coating; The section steel automatic coating and stacking device is provided comprising a polymerization apparatus for stacking two sections of steel conveyed by a vertical conveyor unit and a stacking apparatus for stacking the polymerized section steel vertically and horizontally.

According to another feature of the present invention, in the form steel polymerization apparatus is stacked in pairs for loading the C-shaped steel transported through the painting and drying process, the polymerization apparatus is rotatably facing up and down on the conveyor (51) The first arm 54 and the second arm 55 which are disposed to be substantially overlapped with each other in a raised position, and to which the shaped steel W is seated, and the shaped steel W moved by the conveyor 51 are the first arm. Sensors 59a and 59b for detecting that they are located on the arm 54 and the second arm 55, and the respective arms 54 and 55 are lifted by a predetermined angle in accordance with the detection signals of the sensors 59a and 59b. A cylindrical steel polymerization apparatus is provided, comprising a cylinder (57, 58) for rotating and a controller for controlling the operation of the cylinder (57, 58) in accordance with the detection signals of the sensors (59a, 59b).

Hereinafter, exemplary embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

1 is a schematic configuration diagram of a device according to the present invention, comprising a horizontal conveyor unit 10 for transporting a section steel discharged from a section steel manufacturing apparatus, a high frequency preheating unit 20 installed on the horizontal conveyor unit 10, and And a coating booth 30 provided at the rear end of the high frequency preheating unit 20, a vertical conveyor 40 installed at a rear end of the painting booth 30, and a rear end of the vertical conveyor 40. It consists of the polymerization part 50 and the loading part 60 installed in the rear end of the polymerization device 50.

2 and 3 are front and cross-sectional views showing the configuration of the horizontal conveyor unit 10 according to the present invention. As shown, a plurality of feed rolls 12 are arranged on the base 11 at regular intervals. The workpiece steel (W) is transported on board. Then, the guide roller 14 is installed on the frame 15 at regular intervals on the base 11 so as to accurately introduce the shaped steel W into the high frequency preheating unit 20 and the painting booth 30. The guide rollers 14 are retracted to both sides in the longitudinal direction of the feed rate 12 and approach each other to the center portion of the feed roll 12 when the detection of the passage of the shaped steel W therebetween is made. W) is correctly positioned and transported so that subsequent processes can be performed smoothly. On the other hand, in the illustrated embodiment, the second half of the horizontal conveyor portion 10 consisting of the feed roll 12 is configured by arranging the chain conveyor (10a). In this way, the structure of the conveying means can be appropriately selected as long as the shaped steel W can be efficiently conveyed.

Figure 4 is a schematic cross-sectional view showing the configuration of the high frequency preheating unit 20 that features the present invention, when the C-shaped steel (W) is passed through the inside of the high-frequency coil 21, C-shaped steel (W) by the electrical induction action ) The resistance loss of induced current induced inside is converted into heat, and it is rapidly heated. Such an induction heating apparatus has the advantage of rapidly heating a desired portion of a workpiece, such as local heating or surface heating, and thus is conventionally used for surface hardening, welding, wood bonding or vinyl bonding of metals. As used in the invention, it is simpler and easier to work with than the electric furnace, burner heating, or hot air drying reversible method for conventional C-beam coating drying. It is advantageous.

5 is a view showing the coating booth 30 of the present invention, the transfer roll 12 is passed through the booth 30, the center portion of the transfer roll 12 is equipped with a tapered janggu-shaped strip 32 C-shaped steel W is placed on the earth 32 and passes through the booth 30. The paint nozzles 34 are disposed at appropriate places in the top, bottom, left and right to spray the paint on the workpiece steel W evenly without gaps. At this time, the part that is not coated only in contact with the earth 32 is only the angle end portion 35 of the C-shaped steel (W), so that a so-called touch-up process for further painting the unpainted part is unnecessary. Reference numeral 36 is a dust collecting device.

6 shows the configuration of the vertical conveyor portion 40 for air-cooling the coated C-shaped steel and the polymerization apparatus 50 for loading, wherein the vertical conveyor portion 40 is a plurality of pairs of chain guides approximately upright. It has a chain 44 that moves up and down in the beam and protrudes from the connecting rods arranged at regular intervals by hanging on the chains 44, and arms 46 mounted with an elongated globe 47. When the C-shaped steel W conveyed on the conveying roll 12 of the horizontal conveyor portion 10 reaches a predetermined position, the arm 46 of the vertical conveyor portion 40 intermittently rising raises the C-shaped steel W. During the time of pick-up, ascending and descending, the coating of C-beams is air-dried.

Referring to the polymerization apparatus according to the present invention, the C-shaped steel (W) lowered past the vertical conveyor portion 40 is loaded on another conveyor 51, which is a lateral movement mechanism, and moved to one side. On this conveyor 51, a pair of arms 54 and 55 which are rotatable about the rotation shaft 53 are rotatably raised so that they can overlap each other. The arms 54 and 55 are provided with a locking 56 for seating the C-shaped steel. Then, cylinder mechanisms 57 and 58 for lifting and lowering these arms 54 and 55 by a predetermined angle are provided, respectively. Further, sensors 59a and 59b are provided at predetermined positions for detecting that the moved C-shaped steel W is positioned on these arms 54 and 55, and according to the detection signals of these sensors 59a and 59b. An unillustrated controller is provided for controlling the cylinders 57 and 58 to be driven by a predetermined angle.

The polymerization operation according to this configuration will be described. First, as shown in the drawing, the preceding C-beams W1 are moved laterally with the channel inside positioned upwards, wherein the second C-steels W are not placed on the first arm 54. Passes through the arm 55 as it is, and is moved to the upper portion of the first arm 54, the sensor 59a detects it and the first arm 54 enters the C-shaped steel W1 and rotates about 85 ° to increase its position. Keep on. As described above, in the state where the shaped steel W1 is loaded on the first arm 54, when the subsequent C-shaped steel W2 is positioned on the second arm 55, the sensor 59b detects the second arm 55. Lift the C-shaped steel (W2) and rotate it about 100 degrees. Then, the C-shaped steel W2 is superimposed on the C-shaped steel W1 as shown by the dotted line in FIG. 7 so that the pair of C-shaped steels W1 and W2 are all mounted on the first arm 54. Then, the first arm 54 pivots down to lower the beams W superimposed on the conveyor 51. This completes one polymerization operation. Subsequent polymerization operation is to repeat the above-described copper foil, this operation is controlled by a controller not shown.

7 shows the loading device 60 according to the present invention, wherein the polymerized section steel W is transported on the conveyor 51 and descends from the conveyor 51 so that the pusher mechanism 62 moves it to the loading table 64. Push out. If this operation is repeated and the entire floor is filled, the shape steel (W) placed in front is close to the alignment table 63 on one side, so that the proximity sensor 66 attached to the alignment table 63 detects the lifting mechanism. 65 lowers the stack 64 one pitch to start loading the next layer. When the loading is completed in this manner, the loading table 64 is completely lowered so that the steel beams W are automatically mounted on the lower conveyor 67, and the alignment table 63 is pivotally evacuated and the conveyor 67 is rotated. ) Starts to operate and the loaded beams W are carried out on the conveyor 67.

According to the present invention described above, the entire equipment is simple because it is preheated simply and quickly by induction heating before being introduced into the coating booth, without heating and drying the coated workpiece by an electric furnace or a burner as in the related art. It is possible to paint efficiently and with high quality, and it is possible to reduce the installation space because it is possible to reduce the installation cost by not having to be skilled in operation and simplifying maintenance.

In addition, since the polymerization apparatus according to the present invention can be polymerized by a simple mechanical device and a sensor mechanism without lifting the workpiece by the electromagnet, the operation of the polymerization device can be simplified and the reliable operation can be achieved by simplifying the device.

The painting and loading device described above may be applied to the coating and loading devices of various sections as well as lightweight steel.

Claims (2)

The horizontal conveyor unit 10 to transfer the workpiece (W), which is a workpiece, and the horizontal conveyor unit (10), which is transported by the horizontal conveyor unit (10), induction heating while passing through the high frequency coil (21). 10 is installed on the high frequency preheating unit 20 installed on the rear end of the high frequency preheating unit 20 and the paint booth 30 having a plurality of paint nozzles 34 and the rear end of the painting booth 30. And pick up the section steel conveyed by the horizontal conveyor unit 10 and lift it in the vertical direction to stack the vertical conveyor unit 40 for air-drying the coating and the section steel conveyed by the vertical conveyor unit 40. The polymerization device 50 and the automatic beam steel coating and loading device, characterized in that consisting of a loading device 60 for loading the polymerized section steel in multiple stages horizontally. In order to stack the C-shaped steel conveyed through the painting and drying process, a pair of superposition of the steel beam polymerization apparatus, the polymerization apparatus is disposed so as to be rotatably elevated in the front and rear on the conveyor 51 so as to overlap each other in the elevated position The first arm 54 and the second arm 55 to which the steel W is seated, and the steel W moved by the conveyor 51 are the first arm 54 and the second arm. Sensors 59a and 59b for detecting that they are located above 55 and cylinders 57 and 58 for lifting and lowering the respective arms 54 and 55 by a predetermined angle according to the detection signals of the sensors 59a and 59b. And a controller for controlling the operation of the cylinders (57, 58) according to the detection signals of the sensors (59a, 59b).