KR20040006093A - A chip removal device in a press line - Google Patents

Abstract

PURPOSE: A chip removing apparatus of press line is provided to remove chips cut during operation using compressed air in a press line for cutting coil to be processed so that the cut coil to be processed is compression molded into a final product. CONSTITUTION: In a press line for performing molding operation including cutting, hole processing, bending and restriking through press process including trimming, flanging and restriking after performing drawing process of press molding a panel(10) into a certain shape through a press, the chip removing apparatus of the press line comprises air injection nozzles(17) installed between the trimming and flanging processes and installed on a lower part of an upper mold(11) through mounting frame(15) to remove cut chips(20) generated in the trimming process and adhered to the panel using compressed air; a panel sensor(21) mounted on one side of panel nest formed on an upper part of a lower mold(13) to output panel sensing signals by sensing the panel rested on the panel nest(19); and a solenoid valve(27) mounted on an air hose for supplying compressed air supplied from an air tank(23) to the air injection nozzles to regulate supply of the compressed air according to the signals from the panel sensor, wherein the chip removing apparatus of the press line further comprises a pressure control valve(29) installed on the air hose(25) to control pressure of the compressed air supplied, and a handle valve(31) installed on the air hose to block supply of the compressed air manually by worker.

Description

Chip Remover on Press Line {A CHIP REMOVAL DEVICE IN A PRESS LINE}

The present invention relates to a chip removing apparatus of a press line, and more particularly, to a chip removing apparatus of a press line for removing a chip cut in a transfer press line for cutting a coil material and compression molding into a final product. .

Generally, 2 to 30,000 parts are manufactured through several assembly processes until an automobile manufacturer produces a car.

In particular, the car body is the first step in the automobile manufacturing process, after producing the product panel through various press devices, and then moved to the car body factory to assemble each part of the product panel to form a white body (BIW) body. will be.

As described above, after forming a product panel constituting each part of the vehicle body through a blanking process of cutting the coil material to an appropriate size according to the size of the product panel, as shown in FIG. After the draw (DRAW) forming process of press molding to a certain shape through the (101), in the pressing process such as trimming (TRIMMING) and piercing (PIECING) and flanging (105) (FLANGING) and reforming (107 (RESTRIKE)) It will go through molding operations such as cutting, hole making, bending and reshaping.

In the process of producing the product panel through the process of such a press line, a defect such as a kind of stamping phenomenon caused by foreign substances on the surface of the product occurs very frequently, which is a chronic problem and greatly affects the appearance quality of the vehicle body.

In detail, the defects include cutting chips or foreign substances in the mold when the blank coil is cut by cutting the raw material coil and the pressing process of the panel (particularly, in the trimming or piercing process). In this case, the removal of the cutting chip during the blank processing is performed by placing the washing process 109 in the front step of the press equipment as shown in FIG. I wash it and remove foreign substance.

However, the cutting chips and foreign substances generated during the processing of the panel in the press line cannot be cleaned in the equipment, and the countermeasure is urgently needed.

Currently, if there is a problem of poor quality, such as stamping, during panel production in the process of the press line, the operator stops the equipment and enters the equipment to remove the cutting chips and foreign materials, but this is very frequently done. The risk of an accident is high, and excessive equipment downtime is a major cause of reduced productivity.

Therefore, the present invention was created to solve the above-mentioned problems, and an object of the present invention is to use compressed air in a press line in which a coil material is cut and press-molded into a final product. It is to provide a chip removing device of a press line that can be removed.

1 is an overall process diagram of a transfer press line in the state in which the present invention is applied.

2 is a block diagram of a chip removing apparatus of the press line according to the present invention.

3 is an overall process diagram of a transfer press line according to the prior art.

In order to achieve the above object, the chip removal apparatus of the press line according to the present invention is a trimming and flanging after a draw molding process for press forming a panel in a predetermined form through press equipment. In the equipment of the press line, which forms the molding work such as cutting, hole processing, bending, and reforming through the press process such as overstressing and RESTRIKE,

It is configured between the trimming process and the flanging process, so that the cutting chip generated in the trimming process and adhered to the panel can be removed using compressed air,

An air spray nozzle installed at a lower portion of the upper die through a mounting frame; A panel sensing sensor mounted on one side of a panel nest formed on an upper portion of a lower mold and sensing a panel seated on the panel nest and outputting a signal thereof; And a solenoid valve mounted on an air hose providing compressed air from an air tank to the air injection nozzle to control supply of compressed air according to a signal from the panel sensor.

Hereinafter, with reference to the accompanying drawings, the preferred configuration and operation of the present invention in more detail, as follows.

1 is an overall process diagram of a transfer press line of the present invention is applied, Figure 2 is a block diagram of the chip removal apparatus of the press line according to the present invention, first, look at the process of the press line to which the present invention is applied, Figure As shown in FIG. 1, after the draw (1; DRAW) forming process of press molding the blank panel into a predetermined form through the press equipment, the trimming or piercing forming process is carried out, and the flanging (5; FLANGING) And a molding process such as cutting, hole machining, bending, reshaping, etc., on the panel through a press process such as () RESTRIKE).

In the equipment of such a press line, the present invention, as shown in Fig. 2, has a separate tooth process (9) between the trimming process (3) and the flanging process (5) the trimming process (3) The upper die 11 and the lower die 13 are formed to remove the cutting chips that are generated in the sheet and adhered to the panel by using the compressed air, and the lower die 11 has two mounting frames 15 through the mounting frame 15. Install the air spray nozzle (17).

In addition, a panel nest 19 (Nest) on which the panel 10 is mounted is installed on an upper portion of the lower mold 13, and on one side of the panel nest 21, the trimming or piercing process (3) is completed and the panel nest is disposed. A panel detecting sensor 21 for detecting a panel 10 seated on 19 and outputting a signal thereof is mounted.

In addition, on the air hose 25 which provides the compressed air from the air tank 23 to the air spray nozzle 17, the solenoid for controlling the supply of compressed air in accordance with the input signal from the panel sensor 21. The valve 27 is installed, the pressure control valve 29 is installed on the other side of the air hose 25 to constantly adjust the pressure of the compressed air supplied from the air tank 23.

In addition, a handle valve 31 is further provided on the air hose 25 to block supply of compressed air manually by an operator.

Therefore, the operation of the chip removing device of the press line having the above-described configuration is a draw (1; DRAW) molding in which the coil is press-molded in a predetermined form through the press equipment on a panel basis after the coil goes through a blanking process. After the process is completed, the trimming or piercing molding process is performed again, wherein the cutting chip 20 generated through the trimming or piercing processing 3 is attached to the panel 10. It proceeds to the idling process 9 which is a next process in the state.

That is, the panel 10 is seated on the panel nest 19 of the idle process 9, the panel sensor 21 detects this and inputs a detection signal to the solenoid valve 27. Accordingly, the solenoid valve 27 opens the air hose 25 to inject compressed air from the air tank 23 to the end surface of the panel 10 through the air spray nozzle 17 to cut the cutting chip 20. Will blow).

At this time, the injection pressure of the compressed air injected through the air injection nozzle 17 can be adjusted according to the adjustment pressure set by the operator to the pressure control valve 29 on the air hose 25, such a cutting chip When the removal operation is to be stopped, the handle valve 31 installed on the air hose 25 is locked to stop the supply of the compressed air to stop the injection of the compressed air through the air injection nozzle 17. do.

As described above, according to the chip removing apparatus of the press line according to the present invention, in the press line in which the coil material is cut and compression-molded into a final product, the chips cut during the operation can be removed using compressed air. It can solve the problem of poor quality such as stamping during the production of panel in the press line process, and it can eliminate the risk factors of safety accidents such as the operator stopping the equipment and entering the equipment to remove the cutting chips and foreign substances directly. Will be.

In addition, there is no need to stop the equipment has the effect of maximizing productivity efficiency.

Claims (3)

After the draw molding process, which press-forms the panel to a certain shape through the press equipment, it is cut, holed, bent, re-worked through pressing processes such as trimming, flanging, and re-strike. In the equipment of the press line which forms the molding work such as molding, It is configured between the trimming process and the flanging process, so that the cutting chip generated in the trimming process and adhered to the panel can be removed using compressed air, An air spray nozzle installed at a lower portion of the upper die through a mounting frame; A panel sensing sensor mounted on one side of a panel nest formed on an upper portion of a lower mold and sensing a panel seated on the panel nest and outputting a signal thereof; A solenoid valve mounted on an air hose for providing compressed air from an air tank to the air injection nozzle to control supply of compressed air according to a signal from the panel sensor; Chip removal apparatus of the press line comprising a. The air hose of claim 1, wherein Chip removing device of the press line comprising a pressure regulating valve is installed to adjust the pressure of the compressed air supplied. The air hose of claim 1, wherein And a handle valve installed to block supply of compressed air manually by an operator.