KR100779655B1 - Device for separating and assembling mandrel segments of strip - Google Patents

Abstract

The present invention relates to a draw-out device that is easy to disassemble and assemble the winding reel segment of a cold rolled steel sheet; A movable base seated forward and backward on an upper surface of the fixed base; A rotary shaft mounted on an upper surface of the movable base; A guide plate in the shape of a square plate fixed to the rotary shaft by the connecting shaft and having a 'T' shaped groove in the longitudinal direction thereof; An air box movably fixed along the moving groove and provided with a wrench at a lower end of the shaft; A rotary ring rotatably coupled to a ring guide protruding from the bottom surface of the guide guide; A cylindrical sleeve fixedly supported by the rotating ring and having an aperture insertable out of a segment of the mandrel; A fixing bolt which can be moved up and down through the outer circumferential surfaces of both ends of the sleeve and formed at a position and a number corresponding to the fastening nut grooves formed in the segment and can be coupled to the wrench; And a plurality of clamps provided at both ends of the sleeve and provided to clamp the bolts when the fixing bolts are released to the fixing bolt corresponding positions for fixing the segments to the mandrel.

According to the present invention, the segment, which is heavy, can be easily and automatically separated and assembled without being complicated and difficult.

Description

Draw-in / out device for easy disassembly and assembly of winding reel segment of cold rolled steel sheet {DEVICE FOR SEPARATING AND ASSEMBLING MANDREL SEGMENTS OF STRIP}

1 is an exemplary view showing a segment decomposition process according to the prior art,

2 is a perspective view of the device of the present invention,

3 is an internal sectional view of the device of the present invention;

4 to 6 is a perspective view of main parts of the present invention.

Explanation of symbols on the main parts of the drawings

6: tightening nut groove 8: moving base

9: fixed base 15: rotating shaft

22: air box 26a: wrench

27: guide 34: ring guide

36: rotating ring 37: fixing bolt

44: Link 49: Sleeve

50: centering rod 52a, b: clamp

The present invention relates to a draw-out device that is easy to disassemble and reassemble a winding reel segment of a cold rolled steel sheet, which can be easily dismantled and assembled in a winding reel of a process line for finally manufacturing a cold rolled coil. .

Conventionally, as shown in FIG. 1, when the segment 2 of the winding reel is being repaired or replaced, the worker disassembles the segments 2 by using a tool such as an L-shaped wrench or a hammer and the coil car 3. And then reassembled.

That is, the segments 2 of the take-up reel are separated one by one with the support of the coil car 3, and then withdrawn, transferred to the facility maintenance line, and the next segment is repeatedly disassembled in the same manner. Assembled in reverse order.

Therefore, the safety of work due to the dismantling, movement, and assembly of heavy materials is not secured, and the work time is excessively performed by manual labor of the worker, and in case of misassembly or poor centering, a segment that is heavy when rotating the winding reel (2) caused a serious accident to break away.

Here, the '5' is a centering groove to be described later, '6' is a fastening nut groove for crane rope hook.

The present invention was created in view of the above-described problems of the prior art, and solved this problem. After joining a plurality of segments to one cylindrical sleeve and dismantling the bolt assembled to the segment by using a cylindrical sleeve When the drawer is pulled out, it is possible to automatically take out and unassemble the segment of the cold rolled steel sheet, which allows each segment to be pulled out in the state of being coupled to the cylindrical sleeve so that the segment can be easily and easily assembled. There is a purpose.

The above object of the present invention and the fixed base on the square plate; A movable base seated forward and backward on an upper surface of the fixed base; A rotary shaft mounted on an upper surface of the movable base; A guide plate in the shape of a square plate fixed to the rotary shaft by the connecting shaft and having a 'T' shaped groove in the longitudinal direction thereof; An air box movably fixed along the moving groove and provided with a wrench at a lower end of the shaft; A rotary ring rotatably coupled to a ring guide protruding from the bottom surface of the guide guide; A cylindrical sleeve fixedly supported by the rotating ring and having an aperture insertable out of a segment of the mandrel; A fixing bolt which can be moved up and down through the outer circumferential surfaces of both ends of the sleeve and formed at a position and a number corresponding to the fastening nut grooves formed in the segment and can be coupled to the wrench; Disassemble the winding reel segment of the cold rolled steel sheet, characterized in that it comprises a plurality of clamps provided at both ends of the sleeve and the clamping bolt is fixed to the fixing bolt corresponding position for fixing the segment to the mandrel when the fixing bolt is released. By providing a take-out device that is easy to assemble.

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

Figure 2 is a perspective view of the installation state of the device of the present invention, Figure 3 is an internal cross-sectional view of the device of the present invention.

According to FIGS. 2 to 3, a fixed base 9 is provided, and a movable base 8 slidable in the left and right directions is mounted on the upper surface of the fixed base 9.

One end of the movable base 8 is connected to the forward and backward cylinder 10, the forward and backward cylinder 10 is fixed to one side of the upper surface of the fixed base (9) and the rod and the movable base (8) It is provided to be connected to move the base 8 forward and backward.

The upper surface of the movable base 8, the rotating shaft 15 is formed to protrude upward, the lower end of the rotating shaft 15, the rotating base 11 is rotatably bearing coupled.

A fixed ring 13 is coupled to the upper end of the rotating shaft 15 in the same manner as the rotating base 11, and the lifting cylinder 12 is connected between the fixed ring 13 and the rotating base 11.

In addition, a plurality of auxiliary rods 14 protrude upward along the upper edge of the rotating base 11, and the upper end of the auxiliary rod 14 penetrates the edge of the fixed ring 13 to fix the ring 13. It is provided so that it can be raised and lowered accordingly.

In addition, a support block 32a is fixed to one side end surface of the fixed base 9, a rotation cylinder 32 is installed on the support block 32a, and the rod of the rotation cylinder 32 is a rotation base 11. Linked with the connecting bracket 31 protruding integrally from a portion of the outer peripheral surface of the).

A portion of the outer circumferential surface of the fixing ring 13 is integrally fixed to the connecting shaft 7 to be inclined downward, and the lower end of the connecting shaft 7 is bolted to the fixing bracket 29.

The fixing bracket 29 is formed to protrude on one side of the upper surface of the guide guide 27, and is coupled to the connecting shaft 7 by the forward and backward cylinder 10, the lifting cylinder 12, and the rotating cylinder 32. The guide guide 27 can be moved forward and backward, ascend and descend, and support it.

The guide guide 27 is a substantially rectangular plate-shaped member, and a 'T'-shaped moving groove 28 is formed along the longitudinal direction thereof, and a pair of ring guides 34 are provided on the lower end thereof at a distance in the longitudinal direction. Protruding.

The ring guide 34 is a cylindrical member and has a structure in which a portion of its outer circumference is cut out by a predetermined width, for example, the thickness of the ring shaft 35 to be described later.

An air box 22 as shown in FIG. 4 is inserted into the movable groove 28, and a moving handle 20 is provided at an upper end of the air box 22, and a wrench is disposed at the lower end of the shaft of the air box 22. (26a) is separably fixed by the fastening nut (26).

In addition, an air supply pipe 19 is connected to one side of the air box 22, and a saddle-shaped guide ring 24 supporting the shaft of the air box 22 while contacting the upper and lower surfaces of the guide guide 27 is provided. The spring 23 is interposed between the upper end of the guide ring 24 and the lower end surface of the air box 22.

A circular rotary ring 36 is inserted into the ring guide 34 so as to be movable, and the rotary ring 36 is fixed to the ring shaft 35 having a rectangular bar shape.

Here, although not shown in the ring guide 34 to which the rotary ring 36 is fitted, it is preferable to incorporate the ball bearing so that the rotary ring 36 can be smoothly rotated.

The ring shaft 35 is fixed to the outer circumferential surface of the cylindrical sleeve 49 at a predetermined angle and a plurality of the ring shaft 35 is extended vertically from a specific portion of the outer circumferential surface of the sleeve 49 is fixed and then bent vertically to the ring shaft 35 It will be fixed.

In the vicinity of both ends of the sleeve 49, as many as the number of segments ('2' in FIG. 1) to be wound around the circumferential direction, for example, since the three segments 2 are generally three, the outer circumferential surface of the sleeve 49 is correspondingly disposed. The through holes 38 are formed at positions corresponding to the fastening nut grooves 6 formed on the outer surface of the segment 2 by being divided into three.

On both sides of the through hole 38, a '∩' shaped support bracket 39 protruding upward is fixed on an outer circumferential surface of the sleeve 49, and penetrates through the support bracket 39 so as to penetrate the through hole 38. Fixing bolt 37 that can be through is provided with a structure that does not escape from the support bracket (39).

The bolt head of the fixing bolt 37 is formed with a hexagonal groove of the shape that can be operated by inserting a wrench (26a) fixed to the shaft of the air box 22, and the bottom of the bolt head of the fixing bolt 37 A spring 40 is interposed between the top surfaces of the support brackets 39.

Therefore, the fixing bolt 37 is always raised to the position to be separated from the through hole 38 unless an external force is applied.

Both ends of the sleeve 49 are provided with clamp portions corresponding to each other, and the clamp portion is a bolt hole ('4' in FIG. 1) of the segment 2, that is, the segment 2 is bolted to the mandrel. 5 and 6, a plurality of clamps 52a and b are formed as shown in FIGS. 5 and 6, and the clamps 52a and b are fixed to the bolt holes 4. The fixing bolt 4a is supported when loosening or tightening (4a).

That is, a pair of actuating rings 45 and 47 are provided at both ends of the sleeve 49 and spaced apart from each other, and they are fluidly connected by the link 44.

The link 44 is formed as a rectangular piece of symmetrical guide grooves (44c) formed on both sides symmetrically to each other, and the guide grooves (44c) through the outer surface of each of the operation ring (45,47) After the shaft 44b protrudes, it is fixed by the nut 44d, and a shaft 44a protruding through the outer surface of the sleeve 49 is provided at the longitudinal center of the link 44 and the shaft 44a. ) Is fixed by the nut 44d.

Accordingly, the operation rings 45 and 47 are subjected to a force that is rotated in the opposite direction along the guide groove 44c about the axis 44a by the external force applied thereto.

In addition, a portion of the outer circumferential surface of the operation ring 47 located slightly inward from the end of the sleeve 49 protrudes a shaft 41 and the shaft 41 is fixed to the outer surface of the sleeve 49 by a hydraulic cylinder 42. ).

A plurality of clamps 52a and b are formed on the outer edges of the operation rings 45 and 47 to extend in the longitudinal direction of the sleeve 49 at regular intervals in the circumferential direction thereof.

The clamp 52b which protrudes from the operation ring 47 provided inward from the end of the sleeve 49 is extended longer than the length of the clamp 52a formed in the operation ring 45 provided in the outer side, and the said operation ring The enveloping portion 45, that is, the outer circumferential surface of the operation ring 45 protrudes in contact with the inner surface of the clamps 52b, and the extension ends of these clamps 52a and b are coplanar with each other.

The end of the clamp 52b is slightly bent toward the center of the sleeve 49 to have the same diameter.                     

On the inner surfaces of the clamps 52a and b, that is, the surfaces facing each other, the tongs 52c, the elastic springs 52d, the rods 52e and the adjusting nuts 52f are symmetrically installed.

The tongs 52c are formed to be curved in a semicircle so as to contact and support the outer circumferential surface of the fixing bolt 4a, and a plurality of rods 52e vertically penetrates the clamps 52a and b at the rear thereof. Connected.

The adjusting nut 52f is fastened to the end of the rod 52e to adjust the distance of the tongs 52c.

In addition, it is located between the rod (52e) and the elastic spring (52d) is interposed between the rear surface of the clamp (52c) and the inner surface of the clamp (52a, b), the clamping bolt (52c) is always fixed to the fixing bolt (4a) It is configured to push to the side.

On the other hand, one end of the sleeve 49 is provided with a center adjusting rod 50, the center adjusting rod 50 has a 120 degree angle to each other and each end is formed at the end of the sleeve 49 as shown in FIG. It is inserted into the nut groove 50b and configured.

The present invention made up of such a configuration has the following operational relationship.

In order to separate the segment (2) attached to the mandrel, first, the sleeve 49 to the outer peripheral surface of the segment (2) by using the forward and backward cylinder 10, the lifting cylinder (12) and the rotating cylinder (32) Insert it.

Then, the sleeve 49 and the segment 2 by holding the sleeve 49 by hand so that the center adjusting rod 50 is positioned and inserted into the centering groove 5 as shown in FIG. 1 formed at the end of the segment 2. The centering work between) ends.                     

Here, the sleeve 49 is made so light that it is not difficult for the operator to rotate the sleeve 49 along the rotary ring 36, and also inside the ring guide 34 to which the rotary ring 36 is fixed. The ball bearings are built in the sleeve 49 to further facilitate the rotational operation.

In this state, the through-hole 38 formed in the sleeve 49 and the fastening nut groove 6 formed in the segment 2 and the fixing bolt 4a and the clamps 52a and b are respectively exactly aligned with each other. It is a state.

In this state, the mandrel is first extended so that the outer surface of each segment remains almost in contact with the inner circumferential surface of the sleeve 49, and then the air box 22 is appropriately moved to hold the handle 20 to hold the wrench 26a. When the bottom bolt is inserted into the bolt head of the fixing bolt 37, the fixing bolt 37 is coupled to the fastening nut groove 6 of the segment 2 by the driving force of the air box 22 driven by pneumatic pressure. While fixing the segment to the sleeve 49.

After repeating the above process, all three segments are mounted, and then the air box 22 is properly moved along the moving grooves 28 while releasing a plurality of fixing bolts 4a which fix the segments. When the 4a is loosened to some extent, the fixing bolt 4a is automatically attached to which the tongs 52c of the clamps 52a and b are automatically released by the elastic spring 52d.

Through this process, the segment is completely separated from the mandrel, and after the maintenance and the required process, the reassembly proceeds in the reverse order as described above, so that the heavy segment can be easily separated and assembled.

As described in detail above, according to the present invention, it is possible to easily separate and assemble the heavy segment without the complexity and difficulty.

Claims (6)

A fixed base 9 on a square plate; A movable base 8 seated forward and backward on the upper surface of the fixed base 9; A rotary shaft 15 mounted on the upper surface of the movable base 8; A guide plate 27 on a square plate fixed to the rotary shaft 15 and the connecting shaft 7 and having a 'T'-shaped moving groove 28 in the longitudinal direction thereof; An air box 22 fixedly movable along the moving groove 28 and having a wrench 26a at a lower end of the shaft; A rotary ring (36) rotatably coupled to a ring guide (34) protruding from the bottom surface of the guide guide (27); A cylindrical sleeve (49) fixedly supported by the rotary ring (36) and having an aperture insertable outside the segment (2) of the mandrel; Fixing bolts formed at a position and a number corresponding to the fastening nut groove 6 formed in the segment 2 through the outer circumferential surfaces of both ends of the sleeve 49 and coupled with the wrench 26a ( 37); A plurality of clamps 52a and b which are provided at both ends of the sleeve 49 and provided to clamp the bolt 4a when the fixing bolt 4a is released at a position corresponding to the fixing bolt 4a for fixing the segment 2 to the mandrel. Take-out easy disassembly and assembly of the take-up reel segment of the cold rolled steel sheet comprising a). According to claim 1, The guide guide 27 is characterized in that the connecting shaft (7) for fixing it is installed by height adjustable by lifting up and down by the lifting cylinder (12) provided on the rotating shaft (15) Draw-out unit for easy disassembly and assembly of winding reel segments of cold rolled steel. According to claim 1, The air boss 22 has a saddle shape is fitted in the movable groove 28 and slidably provided along the guide ring 24 is fitted on the shaft, the guide ring 24 And a spring reel is interposed between the bottom surface of the air boss and the spring 23 is easily retractable take-up and reel assembly of the cold rolled steel sheet, characterized in that the resilient operation. [Claim 2] The draw-out device of claim 1, wherein the ring guide 34 to which the rotary ring 36 is rotatably coupled has a ball bearing therein. 2. The draw-out apparatus of claim 1, wherein a center adjusting rod (50) is provided at one end of the sleeve (49) to guide centering with the segment (2). The clamps 52c of claim 1, wherein the clamps 52c are formed in a semicircular shape so that the clamps 52c can contact and support the outer circumferential surface of the fixing bolt 4a for fixing the segment 2 to the opposite inner surfaces thereof. A plurality of rods 52e vertically penetrating the clamps 52a and b are connected to a rear surface of the tongs 52c, and an adjusting nut 52f is fastened to an end of the rods 52e. 52c is provided to adjust the spacing, it is located between the rod 52e, characterized in that the elastic spring 52d is interposed between the rear surface of the forceps 52c and the inner surface of the clamps (52a, b) Draw-out device for easy disassembly and assembly of winding reel segment of cold rolled steel sheet.

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