KR20000003511U - Height adjustment of Burmasha work roll - Google Patents

Abstract

The present invention relates to a height adjustment device of a Bamasha work roll that corrects burrs generated while cutting a strip edge part with a strip trimmer in order to fit the width of a rolled strip to a demand demand. And a drive motor installed on a fixed member and connected to a pinion gear and a bevel gear, and a lift / lower member which is screwed up and down along a guide tube by being coupled to another bevel gear coupled to the bevel gear, and the lift / lower member. A rack, which is fixed to the top of the rack and coupled to the pinion gear, is formed, and a lower / lower lever formed by a ball coupled to the fixing member and a pair of touch bars installed on the lower part of the lift / lower lever. It consists of a switch.

Description

Height adjustment of Burmasha work roll

The present invention relates to a height adjustment device of a Bamasha work roll that corrects burrs generated while cutting a strip edge part with a strip trimmer in order to fit a width of a rolled strip to a demand demand. .

In general, the rolled strip (S) is cut at both edges (E) of the strip (S) with a side cutter to maintain an appropriate width according to the demand of the consumer, the cutting surface of the edge (E) in Figure 1 As shown in the figure, the rough burr B is generated, and thus, the burr B is polished by a separate burma shawl work roll 8.

On the other hand, the Burmasha work roll 8 for polishing the burr B should be able to adjust the height quickly and simply according to the thickness of the strip (S).

In the related art, as shown in FIG. 2, a fixing member 3 having a cylinder 2 is provided on an upper side of a supporting member 5 for supporting the Burmasha backup roll 1 through which the strip S proceeds. And, the lower end of the fixing member 3 is formed with a long hole (7), to which the adjustment screw (4) is coupled.

The long hole 7 is provided with a hinge 6 for rotatably coupling the support member 5, and a rod of the cylinder 2 on the opposite side of the support member 5 to which the hinge 6 is coupled. (2a) is coupled, a burmasha work roll (8) for grinding the burrs (B) generated in the strip (S) is provided in the lower center of the support member (5).

Therefore, when grinding the burrs (B) generated by cutting the edges (E) of the strip (S), the adjustment screw (4) is adjusted so that the Burmasha work roll (8) does not rise above a certain position and the burmesa The cylinder 2 is operated so that the support member 5 on which the work roll 8 is supported is kept horizontal.

When the strip S is moved in this state, the burr B generated in the strip S is polished by the Burmasha work roll 8.

However, such a conventional Burmasha work roll height adjustment device when the thickness of the moving strip (S) is changed by using a separate hand tool (not shown), so that the operator must adjust the adjustment screw (4), so the working time is Of course, if the distance between the Burmasha work roll 8 and the Burmasha backup roll 1 is changed during normal operation of the equipment, there is a problem that a safety accident occurs because the interval is adjusted to approach the equipment. There was this.

The present invention was devised to solve this problem in consideration of the above-mentioned problems, and the position of the Burmasha work roll to polish the burrs generated at the edge of the thin plate was adjusted quickly and accurately by adjusting the driving force of the motor, as well as the operator. It is an object of the present invention to provide a height adjustment device for the Burmasha work roll, which can protect it from safety accidents.

The present invention for achieving the above object is installed on the fixed member and the drive motor is connected to the pinion gear and the bevel gear and the other bevel gear which is coupled to the bevel gear is screwed up and down along the guide pipe A member, a rack fixed to the upper end of the elevating member and coupled to the pinion gear is formed, and a lowering lever having a ball coupled to the fixing member at the lower portion thereof, and a pair of touches installed at the lower portion of the raising and lowering lever. It is characterized by including a configuration consisting of upper and lower limit switches actuated by the bar.

1 is a front view showing a state of grinding the edge portion of the strip by a general method,

Figure 2 is a side configuration of the conventional Burmasha work roll height adjustment device,

Figure 3 is a side view of the cutting portion of the height adjustment device of the Burmasha work roll according to the present invention,

Figure 4 is an excerpt sectional view of the height adjustment device of the Burmasha work roll according to the present invention.

<Description of the symbols for the main parts of the drawings>

E: Edge B: Bur

S: strip 1: guide roll

2: cylinder 3: fixing member

3a: extension part 5: support member

8: Burmasha work roll 10: Drive motor

11: Pinion Gear 13: Motor Support

12, 21: Bevel Gear 20: Up and down member

22: screw shaft 23: bearing block

30: guide officer 31: guide key

40: lift and lower lever 41: rack

42: ball 50: touch bar

60: upper and lower limit switch 70: control unit

80 sensor

Figure 3 of the present invention is a side view cut in the height adjustment device main portion of the Burmasha work roll according to the present invention, Figure 4 is a cross-sectional view of the height adjustment device main portion extract of the Burmasha work roll according to the present invention.

The present invention is installed Burmasha backup roll (1) using the support member 5 to guide the movement of the strip (S), one side of the support member 5 is provided with a cylinder (2), It was installed in connection with the fixing member (3).

On the other hand, the extension part 3a formed in the fixing member 3 is formed with a guide tube 30 having a guide key 31 formed therein so as to be upward, and the guide tube 30 is provided with a lifting and lowering member 20. It was inserted and installed to slide up and down, and screwed the screw shaft 22 is installed bevel gear 21 at the lower end on the inner side of the elevating member 20.

The upper and lower ends of the elevating and lowering member 20 which fasten the screw shaft 22 having the bevel gear 21 installed at the lower end thereof are provided with a rack 41 at an intermediate portion thereof. The upper and lower portions of the raising and lowering lever 40 having the ball 42 inserted into the support member 5 at the lower end are fixedly installed.

In addition, the bevel gear 21 and the other bevel gear 12 and the pinion gear 11 coupled to the rack 41 is fastened to the shaft 10a of the drive motor 10, the front end of the shaft 10a Rotation is easily installed using a bearing in the extension (3a).

On the other hand, the guide tube 31 is formed in the guide tube 30 is installed so as to slide up and down the member 20 to slide up and down, between the guide tube 30 and the lifting member 20, the The guide key 31 is inserted to prevent rotation of the elevating member 20 and to slide only up and down.

And each of the touch bar 50 installed on the elevating member 40, the rack 41 is formed, the upper and lower limit switches installed on the motor support 13 for supporting the drive motor 10. 60 and configured to occur sensing.

In addition, the plurality of sensors 80 installed in the lower portion of the fixing member 3 and the rear of the lowering and lowering member 40 have a burmesa backup roll 1 and a burmese work roll 8 according to the thickness of the strip S. ) To detect gaps.

Meanwhile, each of the touch bar 50, the upper and lower limit switches 60, the driving motor 10, the cylinder 2, and the plurality of sensors 80 are connected to the control unit 70 to install the control unit ( It is configured to operate according to the instructions of 70).

The operation of the present invention configured as described above is as follows.

The present invention operates the control unit 70 according to the thickness of the strip (S) that is guided and moved to the Burmasha backup roll (1) first, the control unit 70 drives the cylinder (2) of the support member (5) Lower one side.

In this state, the control unit 70 sends an operation signal to the drive motor 10, and when the drive motor 10 is operated, the pinion gear 11 and the bevel gear 12 rotate simultaneously, and at this time, the pinion gear The elevating and lowering lever 40 descends by (11), and the supporting member 5 becomes horizontal.

However, since the pinion gear 11 and the rack 41 are coupled, the lift / lower lever 40 descends by lowering the rack 41 downward while the pinion gear 11 is rotated. The lever 40 is to be lowered.

At this time, the upper and lower limit switch 60 installed on the motor support plate 13 and the touch bar 50 installed on the raising and lowering lever 40 are raised or lowered by the malfunction of the driving motor 10. It detects this when going up or down a lot and serves to stop the operation of the drive motor 10.

In addition, a plurality of sensors 80 installed at the rear of the sensor 80 and the lifting and lowering member 40 installed at the lower portion of the fixing member 3 are the Burmasha backup roll (1) and according to the thickness of the strip (S) It serves to adjust the spacing of the Burmasha work roll 8 to match the thickness of the strip (S).

In addition, the present invention is the guide tube so as to ascend to the extension (3a) of the fixing member (3) in order to firmly fix the position in which the lifting and lowering lever 40 is moved or lowered after the lowering and lowering lever (40) moved. 30 is formed, and the guide tube 30 is installed to slide the lifting and lowering member 20 up and down, and the bevel gear 21 at the lower end inside the lifting and lowering member 20 is provided. Screwed the installed screw shaft (22). The operation thereof is as follows.

First, the bevel gear 12 rotates with the drive of the driving motor 10 while another bevel gear 21 rotates so that the screw shaft 22 rotates. The screw shaft 22 is a bearing. Rotation in place by the block 23 pushes the lifting member 20 up or down.

At this time, the range of the lifting and lowering member 20 to the upper or lower is the same as the moving range of the lifting and lowering lever 40, the guide key 31 formed in the guide pipe 30 is the lifting and lowering member. The 20 does not rotate and serves as a guide when it slides up and down.

When the strip S as described above proceeds continuously, the burr B formed at the edge portion E of the strip S is removed by the Burmasha work roll 8.

In the meantime, when the thickness of the strip S is changed, when the controller 70 is operated according to the thickness of the strip S, the cylinder 2, the driving motor 10, and each touch bar 50 and Each of the upper and lower limit switches 60 and the plurality of sensors 80 are automatically adjusted to adjust the position of the Burmasha work roll 8 quickly and simply.

The present invention as described above, the position of the Burmasha work roll for polishing the burr generated in the edge portion of the thin plate by the control signal generated from the control unit to quickly and accurately drive the cylinder and the drive motor, as well as the safety accident It can protect against, improve productivity, and produce good quality products.

Claims (1)

The strip (S) is installed directly above the Burmasha backup roll (1), the fixing member 3 is provided with a cylinder (2) on one side, the cylinder (2) in the lower portion of the fixing member (3) Burr (B) generated in the edge portion (E) of the strip (S) consisting of a support member (5) rotatably installed by a burmasha work roll (8) installed in the lower center of the support member (5). In the conventional device to be polished, it is coupled to the bevel gear 12 and the drive motor 10 is installed on the fixing member 3, the pinion gear 11 and the bevel gear 12 is installed Another bevel gear 21 is screwed to the elevating and lowering member 20 for raising and lowering along the guide tube 30, and fixed to the upper end of the elevating and lowering member 20 and to the pinion gear (11) A rack 41 to be coupled is formed and the lower and lower lever 40 having a ball 42 coupled to the fixing member 3 and a pair of touches installed at the lower and lower lever 40. It includes a configuration consisting of a plurality of sensors 80, the upper and lower limit switch 60 is operated by the 50, the lower portion of the fixing member 3 and the rear of the raising and lowering lever 40. Height adjustment device of the Burmasha work roll.