KR200349036Y1 - a jig for assembling and disassembling the spindle - Google Patents

Abstract

The present invention relates to a jig used to disassemble and assemble a spindle, the jig in which the spindle is mounted to disassemble and assemble a heavy spindle, comprising: a rectangular parallelepiped base having a predetermined length recessed in the upper surface thereof; A fixed roller rotatably assembled at both ends of the roll shaft on a front roller bracket mounted on an upper surface of one end of the base; A slider slidably inserted into the guide groove; A mobile roller rotatably assembled at both ends of the roll shaft on the rear roller bracket integrally mounted to the upper surface of the slider; and screwed to the female thread hole of the screw block mounted to the upper surface of the other end of the base, and mounted to the slider. It is configured to include; a screw member of a predetermined length is connected to the fastener is connected to the fixed roller and the moving roller according to the outer diameter size of the spindle.

According to the present invention, the work of assembling or disassembling the spindle on a round rod, which is a heavy object, and the welding work connecting the pipe members can be safely and simply performed without fear of safety accidents, thereby improving work productivity.

Description

Jig for assembling and disassembling the spindle}

The present invention relates to a jig used for disassembling and assembling the spindle, and more specifically, to assembling or disassembling the spindle on a round rod, which is a heavy object, and a welding operation connecting the piping members, safely and simply without worrying about safety accidents. The present invention relates to a jig for disassembling and assembling a spindle that can improve work productivity.

In general, a mill stand provided in a hot rolling mill of a steel mill is provided with a work for rolling, a backup roll and a rolling roll to move up and down corresponding to the rolling thickness of the strip. The roll is connected to the driving source through the spindle (SPINDLE) and is driven in one direction by receiving the rotational force of the driving source.

As shown in FIG. 4 (a), the spindle 100 includes a spindle count shaft 110, spindle boots 120 provided on both left and right sides thereof, and inserted into the spindle count shaft 120. It consists of a spindle sleeve (130) and a spindle adapter (140) for fixing it, the length of which is formed relatively long, and is always rotated together when the work roll is rotated.

In addition, since the spindle 100 is deformed and broken as the use time elapses, the spindle 100 must be periodically disassembled to maintain the deformed and broken parts, and then reassembled. ) A plurality of workers lift only one end of the spindle 100 in the state of placing the floor on the floor of the workshop and then disassemble and repair and maintain the spindle adapter 140 and the spindle sleeve 130 assembled thereon, One end of the in-spindle 100 was reassembled in reverse to the above, in the state in which the maintenance parts were lifted by a plurality of workers.

However, since the conventional spindle disassembly and assembly work is performed by a large number of workers by hand in a narrow workplace, the risk of injury of the musculoskeletal system of the worker is very high, and the risk of stenosis is always included, which may damage the peripheral equipment. It is.

Therefore, the present invention has been proposed to solve the conventional problems as described above, the purpose of which is to disassemble and assemble the spindle, which is a heavy object in the workplace simply and quickly to reduce the workload of the operator, To provide a jig for disassembling and assembling the spindle that can improve productivity.

1 is an exploded perspective view of a jig for disassembling and assembling the spindle according to the present invention.

2 is a side view of the jig for disassembling and assembling the spindle according to the present invention.

3 is a plan view of a jig for disassembling and assembling the spindle according to the present invention.

Figure 4 (a) (b) is a state diagram of use of the jig for disassembling and assembling the spindle according to the present invention.

Explanation of symbols on the main parts of the drawings

11: base 12: guide groove

13: fixed roller 14: front roller bracket

15: slider 16: moving roller

17: rear roller bracket 18: screw block

19: screw view material 29: fastener

100: spindle 200: piping member

As a technical configuration for achieving the above object, the present invention,

In the jig in which the spindle is raised to disassemble and assemble a heavy spindle,

A base on a rectangular parallelepiped in which a guide groove is formed in a predetermined length in an upper surface thereof;

A fixed roller rotatably assembled at both ends of the roll shaft on a front roller bracket mounted on an upper surface of one end of the base;

A slider slidably inserted into the guide groove;

A moving roller having both ends of the roll shaft rotatably assembled to a rear roller bracket integrally mounted to the upper surface of the slider; and

The screw is screwed into the female threaded hole of the screw block mounted on the other end of the base, the front end is connected to the fastener mounted on the slider to adjust the distance between the fixed roller and the moving roller in accordance with the outer diameter of the spindle Screw member of the length; by providing a jig for disassembling and assembling the spindle characterized in that it comprises a.

Hereinafter, the present invention will be described in more detail.

1 is an exploded perspective view of a jig for disassembling and assembling a jig according to the present invention, Figure 2 is a side view of a jig for disassembling and assembling according to the present invention, Figure 3 is a plan view of a jig for disassembling and assembling a jig according to the present invention. to be.

As shown in Figures 1 to 3, the jig 1 of the present invention is assembled between the drive source and the mill stand to transfer the rotational power of the drive source to the work roll of the mill stand to drive it in one direction rotation and the mill stand In the maintenance and repair work of the spindle provided therebetween, disassembling and reassembling the work can be easily and safely, which is the base 11, the fixed roller 13, the slider 15, the moving roller ( 16) and adjusting screw 19.

That is, the base 11 is formed in the upper surface of the guide groove 12 is recessed in a predetermined length, is a rectangular parallelepiped fixed member placed on the bottom surface of the workplace, the guide groove 12 is fitted to the slide movement is the slider It is formed in the cross-section 'T' shape so that the external separation of the 15 is difficult, the opening 12a is formed at one end of the guide groove 12 to facilitate the insertion and removal of the slider 15, the other end is It is sealed.

The fixed roller 13 is rotatably assembled to the front roller bracket 14 fixedly installed near the top end of the base 11 as a roller member that is external to the outer peripheral surface of the spindle or the piping member. Both ends of the roll shaft 13a of the fixed roller 13 are rotatably supported by the front roller bracket 14 and may be assembled via a bearing member so that the roller can be easily rotated.

In addition, the slider 15 is slidably assembled in the guide groove 12 of the base 11, and is configured in the same 'T' shape cross section as the guide groove 12. The front roller bracket 14 and the rear roller bracket 14 having the same size as each other is integrally mounted, and the rear roller bracket 14 has a moving roller disposed in parallel with the fixed roller 13 ( Both ends of the roll shaft of 16) are rotatably assembled.

Accordingly, the spindle or the pipe member, which is the workpiece, is placed between the fixed roller 13 and the moving roller 16, and the moving roller 16 is close to the fixed roller side in accordance with the outer diameter of the spindle or the pipe member. You can adjust the distance between the rollers as they move away.

Then, the screw member 19 is screwed into the female screw hole (18a) of the screw block 18 mounted on the other end upper surface of the base 11 between the fixed roller 13 and the moving roller 16 As a fixed length adjustment means that is rotated to adjust the gap, the tip is rotatably connected to the fastener 29 is integrally mounted to the upper surface of the slider (15).

Here, the fastener 29 is composed of upper and lower blocks 29a and 29b assembled up and down by bolt members 29c, and the upper and lower blocks 29a and 29b correspond to each other. It is preferable to form a semi-circular groove 28a (28b) on a semi-circular cross section so as to form a connection hole in which the annular groove 19a formed at the tip of the screw member 19 is formed on the lower surface.

The operation and effects of the present invention having the configuration as described above will be described.

The spindle 100, which is disassembled from the mill stand, is fixed to a movable roller 13 of each jig 1 disposed at least two or more on the bottom surface of the working station as shown in FIG. Piping member 200, which is mounted on (16) and wants to be welded to each other, is fixed to the jig 1 provided in the workplace, as shown in FIG. 4 (b), on the moving rollers 13 and 16. Raised on

In this state, the disassembly of the spindle 100 is performed by an operator moving the spindle adapter 140 assembled at left and right ends of the spindle count shaft 140 rotatably seated on the fixed rollers 13 and 16. First, easy and quick disassembly, then the spindle sleeve 130 and the spindle boot 120 can be disassembled continuously.

And, the work of connecting the ends of the heavy duty pipe member 200 against each other and welded to each other when the worker moves, rotates the pipe member 200 mounted on the fixed roller 13, 16 in the circumferential direction, The movable, fixed rollers 13 and 16, which are rotatably assembled to the rear roller brackets 14 and 17, are rotated in engagement with each other, and a welding rod (not shown) is formed at a portion where the piping member 200 is abutted with each other. By providing a heat source to the work to form a ring-shaped welded portion 210 on the jig (1) is to be easily and safely performed without the burden of the operator.

On the other hand, due to the change in the outer diameter of the spindle 100 or the outer diameter of the piping member 200, the adjustment work to widen or narrow the interval between the fixed roller 13 and the moving roller 16 in which they are seated, the base 11 When rotating the screw member 19 screwed to the female threaded hole (18a) of the screw block 18 mounted in the one direction, the screw member rotatably connected to the fastening portion 29 of the slider 15 Since the 19 moves forward, the moving roller 16 along with the slider 15 moves forward along the guide groove, thereby narrowing the distance between the rollers.

On the other hand, when the screw member 19 is rotated in the opposite direction to the above, the screw member 19 is moved to the rear while the moving roller 16 is moved backward along the guide groove 12, the interval between the rollers It can be widened.

According to the present invention as described above, the fixed roller positioned on the base, the moving roller is moved relative to the fixed roller and screwed to the screw block to move the moving roller, the tip is connected to the moving roller Equipped with a screw member, it is easy and safe to disassemble and assemble the spindle while mounting the heavy spindle or piping member on the jig, and to connect the welding while rotating the piping member in the circumferential direction. The work load can be significantly reduced compared to the conventional one, thereby improving work productivity.

While the subject innovation has been shown and described with respect to specific embodiments, it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit or scope of the subject innovation as provided by the following claims. I would like to clarify that knowledge is easy to know.

Claims (3)

In the jig in which the spindle is raised to disassemble and assemble a heavy spindle, A base on a rectangular parallelepiped in which a guide groove is formed in a predetermined length in an upper surface thereof; A fixed roller rotatably assembled at both ends of the roll shaft on a front roller bracket mounted on an upper surface of one end of the base; A slider slidably inserted into the guide groove; A moving roller having both ends of the roll shaft rotatably assembled to a rear roller bracket integrally mounted to the upper surface of the slider; and The screw is screwed into the female threaded hole of the screw block mounted on the other end of the base, the front end is connected to the fastener mounted on the slider to adjust the distance between the fixed roller and the moving roller in accordance with the outer diameter of the spindle Spindle disassembly and assembly jig comprising a; screw member of the length. The method of claim 1, A jig for disassembling and assembling a spindle, characterized in that an opening is formed at one end of the guide groove to facilitate insertion and removal of the slider. The method of claim 1, The fastener is composed of upper and lower blocks that are assembled up and down by bolt members, the upper and lower blocks are formed in the upper and lower surfaces corresponding to each other to form a connection hole in which the annular groove formed at the front end of the screw member is disposed Jig for disassembling and assembling the spindle, characterized by forming a semicircular groove on a semicircular cross section.