KR200227124Y1 - Automatic Plate Cutting Machine - Google Patents

Abstract

The present invention relates to an automatic cutting device of the steel sheet defective portion, more specifically, by automatically performing the removal work for the defective portion occurring in the outer winding portion of the cold-rolled product in the winding equipment finishing the product, it is possible to improve the work productivity The present invention relates to an automatic cutting device for a defective steel plate which is improved to reduce manufacturing costs.

The present invention has a top guider capable of moving forward and backward, has a lower guider that forms a guide groove engaging with the rack of the top guider, and a transmission shaft for transmitting the power of the transfer motor to control the transfer distance of the saw guider. An induction part having a lower pinch roll mounted on a support and having an upper pinch roll hinged by a cylinder member to one end of the pinch roll working shaft to guide a defective steel plate; A cutting unit provided on one side of the pinch roll member and having a down cut cutter in the middle of the steel plate guide table to cut the induced steel sheet defect; A transfer unit for transporting a defective steel plate cut by a crawler-type conveyor belt mounted on a conveyor base fixed to the ground and rotatably mounted on a sprocket; and a gear box connected to the conveyor shaft. It is provided with a drive motor connected to the belt drive unit for rotating the conveyor belt in one direction; provides a steel sheet defective portion automatic cutting device comprising a.

Description

Automatic Cutting Device for Steel Plate Defects

Figure 1 is an overall perspective view showing an automatic cutting device for a steel sheet defect according to the present invention.

Figure 2 is an operating state diagram of the automatic steel sheet cutting unit according to the present invention.

* Explanation of symbols for main parts of the drawings

1: Automatic cutting device for steel sheet defect 2: Coil

10: guide unit 11: top guider (top guider)

12: transfer motor 14: lower guider

19: support base 19a: cylinder member

20: cut part 22: down cut cutter

23: steel plate guide table 30: transfer unit

31: conveyor belt 32: conveyor base

40: belt drive 42: drive motor

The present invention relates to an apparatus for automatically cutting a steel sheet defective part, and more particularly, by cutting a defective part occurring in the outer winding part of a cold rolled product automatically by a winding facility for finishing a product, thereby improving work productivity. The present invention relates to an automatic cutting device for steel sheet defects that has been improved to reduce manufacturing costs.

In general, cold rolled steel sheet, which is used as the base material of steel materials, is subjected to the steelmaking process, and then surface treated hot rolled steel sheet produced in the hot rolling process, and then cold rolled at room temperature to be dimensioned according to the demand of the customer's order. As the primary production, the cold-rolled steel sheet is subjected to a hot dip galvanizing process to become a hot-dip galvanized product.

On the other hand, since the outer winding portion of such a cold rolled steel sheet includes a steel sheet failure portion including a weld portion connecting the tip portion of the coil, which is of no value as a finished product, and the tip portion of another steel sheet, conventionally, the steel sheet failure portion wound on the tensen reel is cut. In order to rotate the tension reel in the opposite direction to the winding, a number of workers cut it manually or put it in a separate correction line to cut the steel sheet defects.

However, the conventional steel plate defective part cutting operation is difficult to immediately cut the defective portion generated in the outer winding portion of the steel sheet in the state that the winding is completed, and must be put in a separate correction line to cut the defective portion. This is a significant drop, the cost of manufacturing increases, while the work of cutting the steel sheet defects by manual work, there is a problem of low productivity and high risk of safety accidents.

Therefore, the present invention has been devised to solve the above problems, the purpose of which is to automatically cut the defective parts generated on the cold rolled steel sheet in the complete winding state, eliminating the input of a separate correction line and the use of a crane It is possible to reduce manufacturing costs and labor costs, to improve productivity according to the automation of cutting operations, and to provide an automatic cutting device for steel sheet defects that can prevent safety disasters.

The present invention devised to achieve the above object, in the cold rolling line equipment equipped with a winding machine that can wind the cold rolled steel sheet as a tension reel, having a guide guide capable of moving forward and backward, guide to combine with the rack of the saw guider An upper pinch having a grooved lower guider and a PLG connected to an electric shaft for cutting power of the feed motor to control the feed distance of the saw guider, and an upper pinch hinged by a cylinder member with a lower pinch roll mounted with a support. An induction part having a roll at one end of the pinch roll working shaft to guide a steel plate failure part; The steel sheet is placed horizontally on the exit side of the roll member so that the steel sheet defect portion passing between the upper and lower pinch rolls is provided, and has a down cut cutter in the middle of the steel sheet guide table equipped with a back light on the upper surface. Cutting part for cutting the defective part; A conveying part mounted on a conveyor base fixed to the ground and having a crawler type conveyor belt mounted on the sprocket connected to the conveyor shaft to convey a defective steel sheet cut; And a belt drive part having a gear box connected to the conveyor shaft and a drive motor connected to the gear box to rotate and drive the conveyor belt in one direction. By.

Hereinafter, with reference to the accompanying drawings will be described in detail an embodiment of the automatic sheet cutting machine according to the present invention.

1 is an overall perspective view of the automatic cutting device of the steel sheet defect according to the present invention. 2 is a diagram showing an operating state of the steel sheet automatic cutting device according to the present invention operates.

The steel sheet defective portion automatic cutting device 1 according to the present invention can automatically cut the steel sheet defective portion 2a included in the coil 2 that has completed the winding work as the tension reel 111 of the winder 110. Device. This device 1 is composed of an induction part 10, a cutting part 20, a conveying part 30 and a belt driving part 40.

That is, the induction part 10 approaching the outer winding portion of the coil 2 to guide the outer edge portion of the coil 2 according to the outer diameter size of the coil 2 that has been wound with a certain length of the cold rolled steel sheet is the transfer motor 12. The rack 13 of the top guide 11, which can be moved forward and backward by driving, is coupled to the guide groove 14a of the lower guider 14, and both sides of the top guide 11 are connected to the lower guider 11 so as to prevent the departure. It is mounted on the guide rail 14b of the 14, and is connected to the pinion 15 coupled with the rack 13 to control the forward and backward conveying distance of the top guider 11, the transfer motor 12 PLG (PULS GENERATOR) 16 is attached to one side of the transmission shaft 15a for cutting the power of the N-axis.

In addition, one side of the lower guider 14 is provided with a lower pinch roll 17b to be rotatable on a support 19 fixed to the ground, and the upper pinch roll 17a forming a pair with the lower pinch roll 17b Is mounted to one end of the pinch roll operating shaft 18 having a hinge (18a), the other end of the pinch roll operating shaft 18 is coupled to one side of the cylinder member (19a) fixed to the support 19 The upper pinch roll 17a is configured to hinge by using the hinge 18a as a rotating shaft.

On the other hand, the cutting portion 20 for cutting the steel sheet failure portion (2a) guided by the pinch roll member (17a), (17b) is a down-cut cutter 22 equipped with a shear operated by the hydraulic cylinder (21). It is provided in the middle of the steel plate guide table 23, and the back surface 24 is attached to the upper surface of the said steel plate guide table 23, and is comprised.

In addition, the transfer unit 30 for transporting the steel sheet defect portion (2a) cut as the downcut cutter 22 to the scrap box is fastened to a plurality of iron plates with a bolt member, the endless track type conveyor belt (31) And one side of the conveyor belt 31 is coupled to the conveyor drive shaft 33 of the conveyor base 32 fixed to the ground, and the other side is coupled to the sprocket 35 mounted on the conveyor shaft 34. do.

In addition, the belt driving unit 40 for rotating the conveyor belt 31 in one direction includes a driving motor 42 fixed to the motor base 41, and the driving motor 42 and the coupling 43. Is connected, and having a gear box 44 having a plurality of reduction gear 45 therein, one side of the reduction gear 45 is connected to the conveyor shaft 34, thereby driving the power of the drive motor 42 The conveyor belt 31 is transferred to the sprocket 35 to drive the conveyor belt 31, and an oil circulation pump (not shown) is configured to circulate oil in the gearbox 44 during operation.

Hereinafter, the operation and effects of the automatic steel sheet cutting unit 1 according to the present invention will be described in detail.

That is, the automatic sheet cutting machine (1) according to the present invention is installed in the cab when the steel sheet defective portion (2a) is mixed in the coil (2) that has been wound in the tension reel (111) of the winder (110) The automatic control operation is performed according to the defective part cutting program, and the work of drawing out the coil 2 wound on the tension reel 111 to the outside at the same time as the defective part cutting start signal is suspended from the cab.

In addition, the top guider 11 assembled to the lower guider 14 so as to move back and forth a predetermined length of the lower guider 14 is driven by driving the transfer motor 12 according to the outer diameter of the coil 2. Along the guide groove (14a) to the coil 2 side, the forward length of the saw guider 11 is PLG (16) connected to the transmission shaft (15a) for transmitting the power of the transfer motor 12 is The size is calculated as long as the outer diameter data of the coil 2 is transmitted, and the top guide 11 is moved forward after a predetermined length and then stopped. At this time, if the reverse state of the top guide 11 is completed 2500mm, the outer diameter of the coil 2 is 2000mm, the top guide 11 is stopped after advancing by 1500mm.

On the other hand, the tension reel 111 receives the signal that the top guider 11 is completed to advance reverse rotation at a set speed after a few seconds, the coil tip portion including the steel plate failure portion (2a) the upper pinch roll (17a) and the lower pinch When entering between the rolls 17b and detecting the entry of the steel sheet failure portion 2a by an optical sensor (not shown) mounted on one side of the lower pinch roll 17b, the rod of the cylinder member 19a is upward. And the pinch roll operating shaft 18 is pivoted about the hinge 18a, so that the upper pinch is mounted on one end of the pinch roll operating shaft 18 and spaced apart from the lower pinch roll 17b. The roll 17a is pivoted downward to arrange the steel plate between the lower pinch rolls 17b, and the steel sheet guide table in which the downcut cutter 22 is disposed at the center of the defective portion 2a of the steel plate 23) to guide entry.

As described above, the steel sheet defective portion 2a guided by the downcut cutter 22 is a cutter 22 operated by the hydraulic cylinder 21 and is cut at a cutting length of about 500 to 1000 mm. In this case, the cutting length may be cut by the driver by selecting the cutting program and setting the number of cuts of the steel sheet defect 2a. That is, when the length of the steel sheet defect portion 2a is 50M, the cutting length is set to 500 mm, and the number of cutting sheets is set to 100.

Then, the steel sheet defect portion 2a which is sequentially cut by the set cutting length and the number of sheets is adjacent to the steel plate guide table 23 and connected to the sprocket 34 which is rotated by the drive of the driving motor 42 and is rotatable in one direction. It is moved to the upper surface of the endless conveyor belt 31 is transferred to a scrap box (not shown) to be post-processed. In addition, the coil 2, which has completed the cutting operation of the steel sheet defective part 2a, rotates the tension reel 111 of the winder 110 in the forward direction and automatically stops after rewinding the drawn steel sheet, thereby completing the coil finished product. Wait for withdrawal.

Therefore, by the automatic cutting device of the steel sheet defective portion 1 according to the present invention, the cutting operation for the steel sheet defective portion (2a) included in the wound coil 2 is not dependent on the manpower of the operator, a separate correction line By performing the process automatically instead of entering the process, manufacturing cost can be reduced due to the reduction of second process materials and manpower reduction, and the productivity of the product can be improved, while the practical effect of preventing industrial safety accidents is obtained. Lose.

Claims (1)

In the cold rolling line equipment equipped with the winding machine 110 that can wind the cold rolled steel sheet as the tension reel (111), the rack 13 of the top guide 11, having a top guide 11 that can be moved forward and backward PLG having a lower guider (14) having a guide groove (14a) coupled with the transmission shaft (15) for transmitting power of the transfer motor (12) to control the transfer distance of the top guider (11). 16, while having a lower pinch roll 17b attached to the support 19, an upper pinch roll 17a hinged by the cylinder member 19a is provided at one end of the pinch roll operating shaft 18. Induction part 10 for inducing a steel plate failure portion (2a); It is disposed horizontally on the exit side of the roll member (17a, 17b) so that the steel sheet failure portion (2a) passing between the upper, lower pinch rolls (17a), (17b), and the back surface on the upper surface A cutting portion 20 having a down cut cutter 22 in the middle of the steel sheet guide table 23 on which the 24 is mounted to cut the induced steel sheet defect portion 2a; The steel plate defective portion 2a, which is mounted on the conveyor base 32 fixed to the ground and mounted to the sprocket 35 connected to the conveyor shaft 34 so as to be rotatable, is cut. A transfer unit 30 for transferring; And a gearbox 44 connected to the conveyor shaft 35 and a drive motor 42 connected to the gearbox 44 to rotate and drive the conveyor belt 31 in one direction. Automatic cutting device for a steel sheet defective portion comprising a .;