KR102475209B1 - Automatic cutting apparatus for press mold - Google Patents

Abstract

In the present invention, in the automatic scrap cutting device, the supply unit 10 for supplying the iron plate 11, which is a raw material, and the iron plate 11 supplied by the supply unit 10 are moved left and right according to the punching timing while transporting The left and right moving part 20 and the punching part 30 for press-processing the iron plate 11 transported while moving left and right by the left and right moving part 20 so that the product is punched in a zigzag pattern, and the punching part 30 ) The cutting unit ( 40), and by controlling the operating timing and cutting time of the cutting blade 41 to be operated in conjunction with the punching unit 30 when cutting scrap by the cutting blade 41, the simple repetitive operation of the cutting blade 41 indiscriminately It is possible to prevent abrasion of the cutting blade 41 due to this, and accordingly, there is an effect of increasing the durability of the cutting part 40.

Description

Scrap automatic cutting device of press mold {AUTOMATIC CUTTING APPARATUS FOR PRESS MOLD}

The present invention relates to an automatic cutting device for scrap of a press mold, and relates to an automatic cutting device for automatic scrap cutting of a press mold, which is controlled to cut scraps generated through a press process in accordance with the operation of a press mold in order to cut them into a certain length. will be.

In general, after processing an iron plate by a press mold, the remaining edge portion is cut and discarded, which is commonly referred to as scrap.

In the conventional mechanical scrap cutting device, as the cutting blade is always operated periodically to cut the scrap continuously discharged after the pressing process, the wear of the cutting blade often occurs, thereby weakening the durability of the scrap cutting device. However, there is a problem in that the replacement cycle due to wear of the cutting blade is shortened.

Korean Patent Publication No. 10-1996-0015080, 'Scrap Automatic Cutting Device'

Accordingly, an object of the present invention is to provide an automatic scrap cutting device for a press mold capable of minimizing abrasion of a cutting blade during scrap cutting.

In the present invention according to the above object, in the scrap automatic cutting device, the supply unit 10 for supplying the iron plate 11 as a raw material, and the iron plate 11 supplied by the supply unit 10 are left and right according to the punching timing. A left and right movement unit 20 for transporting while moving, and a punching unit 30 for press-processing the iron plate 11 transported while moving left and right by the left and right movement unit 20 so that products are punched in a zigzag manner, The scraps discharged after the punching of the steel plate 11 by the punching unit 30 are automatically cut in conjunction with the number of punches of the punching unit 30 set in advance, so that the scrap is discharged to the discharge unit 50 at a certain length It is characterized in that it consists of a cutting part 40 to be.

In addition, the cutting unit 40 includes a cutting blade 41 for cutting scrap to a certain length, an operating cylinder 43 for controlling the vertical movement of the cutting blade 41, and a cutting operation time of the cutting blade 41. To the control unit 44 that controls the operation of the cutting blade 41 by transmitting a control signal to the operating cylinder 43 so that the cutting blade 41 operates in conjunction with the punching timing of the punching unit 30. characterized by being composed.

In addition, the control unit 44 counts the number of punching by the punching unit 30 and the counting unit 45 for detecting whether the set number of punching has been operated, and the cutting time of the cutting blade 41 by the operating cylinder 43 It is characterized in that it consists of a time setting unit 46 for setting and a cutting number checking unit 47 for detecting the number of times of cutting of scrap by the cutting blade 41 of the cutting unit 40.

The present invention can prevent wear of the cutting blade due to simple repetitive operation of the cutting blade indiscriminately by controlling the operation timing and cutting time of the cutting blade to be operated in conjunction with the punching unit when cutting scrap by the cutting blade, thereby cutting There is an effect of increasing the durability of the device.

1 is a front view of the overall configuration of an automatic cutting device for scrap of a press mold according to an embodiment of the present invention;
2 to 3 are plan views illustrating the operation configuration of the automatic scrap cutting device for press molds according to an embodiment of the present invention;
4 to 6 are block diagrams schematically illustrating the configuration of an automatic cutting device for scrap of a press mold according to an embodiment of the present invention.

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

1 is a front view showing the overall configuration of an automatic scrap cutting device for press molds according to an embodiment of the present invention, FIGS. 2 and 3 are plan views illustrating its operating configuration, and FIG. 4 is a view according to an embodiment of the present invention. It is a block diagram explaining the schematic configuration of the scrap automatic cutting device of the press mold.

The automatic scrap cutting device of the present invention includes a supply unit 10 for supplying the iron plate 11 as a raw material, and a left and right moving unit for transporting the iron plate 11 supplied by the supply unit 10 while moving it left and right in accordance with the punching timing (20), and a punching unit (30) for press-processing the iron plate (11) transported while moving left and right by the left and right moving unit (20) so that the product is punched in a zigzag pattern, and the punching unit (30) The cutting unit 40 that discharges the scraps to the discharge unit 50 at a constant length by automatically cutting the scraps discharged after punching of the iron plate 11 by the preset number of punches of the punching unit 30. consists of

In the supply unit 10, the iron plate 11 as a raw material is stored in a roller form, and the iron plate 11 of the supply unit 10 is continuously transferred to the punching unit 30 through the left and right moving unit 20.

The left and right movement unit 20 transfers the iron plate 11 of the supply unit 10 to the punching unit 30, and for this purpose, a guide roller 21 and a compression roller 22 are installed.

In the guide roller 21, the iron plate 11 is transferred between the upper and lower guide rollers 21 so that the iron plate 11 supplied from the supply unit 10 can be conveyed in an unfolded state, and the rear end of the guide roller 21 has an upper and lower As the iron plate 11 rotates in a compressed state, a compression roller 22 is installed to push the iron plate 11 to the punching part 30 at the rear end.

That is, the iron plate 11 is pulled while rotating in a state in which the pressing roller 22 presses the iron plate 11 up and down, and the iron plate 11 is compressed by the pressing roller 22. The iron plate 11 can be supplied to the compression roller 22 in an unfolded state by the guide roller 21 installed at the front end in order to transfer.

In addition, in the process of transporting the iron plate 11 by the guide roller 21 and the compression roller 22, the iron plate 11 can be transported while moving left and right.

In the present invention, a product is manufactured by punching the iron plate 11 with a press, and at this time, as shown in FIGS. 2 and 3, the punching is performed in a zigzag manner to minimize scrap.

To this end, while the iron plate 11 transported in the press working process by the punching unit 30 moves left and right according to the operation timing of the punching unit 30, the iron plate 11 is also moved while moving left and right, so that the iron plate 11 ) to ensure that the product can be manufactured while minimizing scrap.

As an embodiment, the left and right moving unit 20 can move the iron plate 11 to the left and right according to the punching timing of the punching unit 30 while moving left and right by the cylinder, so that the iron plate 11 can be pressed. After manufacturing, press processing can be performed in a zigzag shape to minimize scrap, thereby reducing unnecessary consumption of the iron plate 11.

Looking at the configuration of the punching part 30, the pressing part 32 for press-processing the iron plate 11 to be transported, the guide shaft 31 for guiding the vertical operation of the pressing part 32, and the iron plate to be transported Support plate 33 with punching grooves 34 formed so that the iron plate 11 is punched by the pressing part 32 in the state of supporting the lower part of (11), and the product after press processing by the pressing part 32 It consists of a discharge path 35 discharged to the lower part.

The pressing part 32 is operated in a straight line up and down by the guide shaft 31, and in the process of being transported, the pressing part 32 moves down while punching the iron plate 11 to process the product, and the pressing part 32 ) and the left and right movement timing of the iron plate 11 by the left and right moving unit 20 are interlocked so that the iron plate 11 is punched in a zigzag pattern.

That is, as shown in FIG. 2, after punching is performed by the downward operation of the pressing unit 32, the iron plate 11 is moved by the left and right moving unit 20 at the timing when the pressing unit 32 rises, and again the pressing unit ( 32) is lowered, and punching is performed again in the oblique direction of the iron plate 11 as shown in FIG.

As the punching is performed at zigzag positions on the iron plate 11, wasteful scrap can be minimized, thereby reducing the cost of the product.

A support plate 33 for guiding the iron plate 11 transferred to punch the iron plate 11 is installed at the bottom of the pressing part 32, and the pressing part 32 penetrates the lower part of the support plate 33 Punching Grooves 34 are formed, and the iron plate 11 is punched by the downward operation of the pressing part 32 to process the product.

At this time, a discharge passage 35 is formed in the lower part of the support plate 33 so that the pressing part 32 penetrates the punching groove 34 so that the iron plate 11 is punched and the processed product is naturally discharged to the lower part. .

The scrap remaining after punching the iron plate 11 by the punching unit 30 is transferred to the cutting unit 40 through the transfer guide unit 36 and cut into a predetermined length.

Looking at the configuration of the cutting unit 40, the input guide plate 42 for guiding the scrap transferred through the transfer guide unit 36 to be easily introduced into the cutting unit 40, and the input guide plate 42 The cutting blade 41 that cuts the scrap introduced through the line to a certain length, the operating cylinder 43 that controls the up and down movement of the cutting blade 41, and the cutting operation time of the cutting blade 41 are set. It consists of a control unit 44 that controls the operation of the cutting blade 41 by transmitting a control signal to the operating cylinder 43 so that the cutting blade 41 operates in conjunction with the punching timing of the punching unit 30.

'형상으로 이루어져 상하로 형성된 투입안내판(42) 사이로 펀칭 가공이 이루어진 후 이송된 스크랩이 연속적으로 커팅부(40) 내로 투입될 수 있도록 한다.The input guide plate 42 is '

After the punching process is made between the input guide plates 42 formed vertically and made in a 'shape, the transferred scrap can be continuously put into the cutting unit 40.

The scrap introduced into the cutting unit 40 by the input guide plate 42 is cut to a certain length by the cutting blade 41, and at this time, the number of punching processes of the punching unit 30 and the top and bottom of the cutting blade 41 The operation of the cutting blade 41, such as the operation time, is controlled by the operation cylinder 43, and the operation of the cutting blade 41 is controlled after receiving an operation control signal by the control unit 44.

The control unit 44 for controlling the operation of the operating cylinder 43 sets the number of times of punching of the punching unit 30 and the number of times of operation of the punching unit 30 in a state where the cutting time of scrap by the cutting blade 41 is set in advance. When the number of times is reached, the cutting blade 41 is operated.

In addition, by controlling the descending speed of the cutting blade 41 by setting the cutting time of the scrap by the cutting blade 41, the cutting blade 41 is controlled to operate according to the speed at which the scrap is transported.

As an embodiment, the cutting time of the cutting blade 41 may be set to be within 0.5 s while the crab is cut by the cutting blade 41 after the punching process is performed by the punching unit 30 three times.

The operation timing of the cutting blade 41 can be controlled according to the number of punching processes of the punching unit 30, so that the cutting length of scrap can be set as needed, and the cutting blade 41 can be cut according to the working speed of the press device You can also control the speed.

As the cutting blade 41 operates according to the number of punching processes of the punching unit 30, the cutting blade 41 operates by simple repetition mechanically to reduce the wear of the cutting blade 41 caused by cutting scrap It can.

6 is a diagram explaining the configuration of the control unit 44 for controlling the operation of the operation cylinder 43.

The control unit 44 of the present invention counts the number of punching by the punching unit 30 and the counting unit 45 for detecting whether the set number of punching is operated, and the cutting time of the cutting blade 41 by the operating cylinder 43 It consists of a time setting unit 46 for setting and a cutting number checking unit 47 for detecting the number of cutting of scrap by the cutting blade 41 of the cutting unit 40.

As described above, the counting unit 45 counts the number of punchings so that the cutting blade 41 can cut the scrap according to the number of punchings of the punching unit 30, and after the punching process is performed at the set number of times, the operating cylinder The cutting blade 41 is lowered by (43) so that the scrap is cut.

This is effective in preventing wear of the cutting blade 41 due to indiscriminate cutting.

The time setting unit 46 sets the cutting time of the cutting blade 41, and sets the cutting time of the scrap by the cutting blade 41 to set the cutting speed by the cutting blade 41, that is, how fast the cutting is. control that takes place.

This allows cutting to be performed according to the punching speed by the punching unit 30, and when the cutting speed of the cutting blade 41 operated in response to the punching speed is slow, the cutting of scrap is not efficient, and the scrap is In the process of being continuously discharged, the cutting speed of the cutting blade 41 is slow so that the scrap is not easily discharged.

The number of cuts confirmation unit 47 checks the number of cuts of the cutting blade 41 by the operating cylinder 43 in real time, and if the number of cuts exceeds the preset number of cuts, it is confirmed that the cutting blade 41 is worn out. It serves to inform the replacement of the cutting blade (41).

During continuous punching, the cutting blade 41 is worn out, and the operator cannot individually check the wear state of the cutting blade 41, so that the replacement time of the cutting blade 41 can be checked through the number of cutting By doing this, you can increase the efficiency of your work.

The number of times of cutting, which determines the replacement time of the cutting blade 41, is usually determined by an empirical coefficient set in advance, and then severe wear occurs after several cuttings are made, so it is confirmed that the cutting blade 41 needs to be replaced.

In the above description of the present invention, specific embodiments have been described, but various modifications can be made without departing from the scope of the present invention. Therefore, the scope of the present invention should not be determined by the described embodiments, but should be defined by the claims and the equivalents of the claims.

(10)- Supply part (11)- Iron plate
(20)-Left and right movement part (21)-Guide roller
(22) -- compression roller
(30)-- punching part (31)-- guide axis
(32)-pressing part (33)-supporting plate
(34)--punching groove (35)--discharge path
(36)--Transport guide part
(40)--Cutting part (41)--Cutting blade
(42)-Input guide plate (43)-Operating cylinder
(44)-control unit (45)-counting unit
(46)-- time setting unit (47)-- cutting count checking unit
(50) - Discharge part

Claims (3)

In the scrap automatic cutting device,
A supply unit 10 for supplying an iron plate 11 as a raw material;
In order to transport the iron plate 11 supplied by the supply unit 10 while moving it left and right in accordance with the punching timing, the iron plate 11 supplied from the supply unit 10 can be transported in an unfolded state. Up and down guide rollers 21 ), the iron plate 11 is transported between them, and at the rear end of the guide roller 21, the iron plate 11 is rotated in a compressed state up and down, and the pressing roller 22 pushes the iron plate 11 to the punching part 30 at the rear end ) The left and right moving parts 20 are installed,
A punching unit 30 that presses the iron plate 11 transported while moving left and right by the left and right moving units 20 so that products are punched in a zigzag pattern to be manufactured;
The scraps discharged after the punching of the steel plate 11 by the punching unit 30 are automatically cut in conjunction with the number of punches of the punching unit 30 set in advance, so that the scrap is discharged to the discharge unit 50 at a certain length It consists of a cutting part 40 to be,
The punching part 30 includes a pressing part 32 for press processing the iron plate 11 to be transported, a guide shaft 31 for guiding the up and down movement of the pressing part 32, and the steel plate 11 to be transported. The support plate 33 with the punching groove 34 formed so that the iron plate 11 is punched by the pressing part 32 in the state of supporting the lower part, and the product is discharged to the lower part after press processing by the pressing part 32 Consisting of a discharge path 35 to be,
The cutting unit 40 includes an input guide plate 42 for guiding scraps transferred through the transfer guide unit 36 to be easily introduced into the cutting unit 40, and a cutting blade for cutting the scraps to a certain length ( 41), the operating cylinder 43 for controlling the up and down operation of the cutting blade 41, and the cutting operation time of the cutting blade 41 are set and interlocked with the punching timing of the punching unit 30 to set the cutting blade It consists of a control unit 44 that controls the operation of the cutting blade 41 by transmitting a control signal to the operating cylinder 43 so that the 41 operates,
The control unit 44 counts the number of punches by the punching unit 30, detects whether the set number of punches has been operated, and adjusts the set number of punching processing to allow the cutting blade 41 to cut the scrap. Counting unit 45 And, the time setting unit 46 for setting the cutting time of the cutting blade 41 by the operating cylinder 43, and the number of times of cutting for detecting the number of cutting of scrap by the cutting blade 41 of the cutting unit 40 Scrap automatic cutting device for press mold, characterized in that consisting of a confirmation unit (47).
delete delete

Images