KR100834795B1 - Joint jig of spiral duct manufacturing apparatus - Google Patents

Abstract

A multi-joint jig of a spiral duct manufacturing apparatus is provided to make an elbow easily by installing the multi-joint jig on the spiral duct manufacturing apparatus, and prevent the multi-joint jig from being an obstacle to the formation of the elbow by enabling the elbow to move freely when making the elbow. In a spiral duct manufacturing apparatus for manufacturing a spiral duct, a multi-joint jig of the spiral duct manufacturing apparatus comprises: a divided element divided into a plurality of divided elements(110,120,130) to form a partially opened circle; bearings(200) fixed between the divided elements; length-adjusting bars(300) installed on protrusions(111,121,131) expanding and protruding from both sides of the divided elements; and guide plates(410,420,430) which are bent such that one faces of the guide plates come in contact with inner rings of the divided elements, and which are fixed to the inner rings of the divided elements such that a metal sheet passes through the guide plates to form a cylindrical metal sheet on which a straight line and a waveform are continuously formed.

Description

{Joint Jig of Spiral Duct Manufacturing Apparatus}

FIG. 1 shows a conventional spiral duct manufacturing apparatus,

1A is a plan sectional view.

FIG. 1B is a front view of a portion cut away; FIG.

Fig. 1C is a perspective view showing a molding unit. Fig.

FIG. 1D is a perspective view showing a cutting section. FIG.

1E is a side view showing an operating state;

2 is a front view showing the articulated jig of the present invention.

3 is a rear view of the articulated jig of the present invention.

4 is a side view showing the articulated jig of the present invention.

FIG. 5 is a front view showing a seaming device provided with a multi-joint jig according to the present invention; FIG.

6 is a plan view showing a shingling device provided with the articulated jig of the present invention.

Description of the Related Art

100: Split piece 110: First split piece

111: side projecting portion 112: first fixing plate

113: first bolt 115: upper surface protrusion

116: second fixing plate 117: upper fixing member

120: second split piece 121: side projection

130: third split piece 131:

132: second fixing plate 133: second bolt

135: vertical fixing plate 200: bearing

210: outer ring body 211: self-aligning bearing

300: length adjusting bar 310: self-aligning bearing

320: first bar 321: second bar

400: guide plate 401: groove

410: first guide plate 420: second guide plate

430: third guide plate

BACKGROUND OF THE INVENTION 1. Field of the Invention [0002] The present invention relates to a multi-joint jig of a spiral duct manufacturing apparatus, and more particularly, to a multi-joint jig of a spiral duct manufacturing apparatus which is installed in a shimming apparatus for forming a spiral duct,

Generally, helical ducts are used throughout the industry such as ducts for air conditioners and powder conveying.

Such a helical duct is formed by a manufacturing apparatus for producing a spiral duct. The metal sheet material wound on the reel is sequentially passed through a plurality of compression rollers, and both side edges of the sheet material are bent in the opposite direction.

Such a metal plate is guided while being supported by a plurality of guide rods provided along the circumference of the cylinder when the metal plate is pressed into a cylindrical shape by being pushed by a pair of compression rollers while sandwiching both side edges of the bent metal plate.

When the spiral duct is continuously formed, a continuous spiral duct is formed. When the formed spiral duct is formed into an appropriate length, the spiral duct is formed by cutting with a circular cutter.

The apparatus for manufacturing a helical duct is disclosed in Korean Utility Model Application No. 1999-5329 (hereinafter referred to as "prior art"), and is shown in FIGS. 1A to 1F.

1, the spiral duct manufacturing apparatus of the prior art 1 has a structure in which a metal plate 18 supplied from a reel stand 19 is passed through a banding roller 21 arranged in a plurality of rows, And presses the both ends of the bent plate member 18 with a compression roller 31 to form a cylindrical duct and cuts the formed duct with a circular saw blade 42 to produce a duct, A lower roller 24 connected to the cylinder 25 and operated up and down is provided at the exit side of the banding roller 21 and a lower roller 24 disposed at an upper portion corresponding to the lower roller 24 and being driven by the drive motor 26 A transfer section (2) including a pair of drive rollers (22) consisting of an upper roller (23) is provided on the first table (11).

As long as the leading end of the lever 33 to which the bolt 32 for adjusting the pressing force for engaging the bent portions 18a and 18b of the plate 18 supplied from the conveying unit 2 is coupled to the upper roller A pair of compression rollers 31 and a molding part 34 composed of a protruding mold 34 formed in such a manner that a guide groove 35 for guiding a duct formed in a cylindrical shape while passing through the above- 3 are provided on the second table 12.

A working plate 41 is provided below the forming unit 3 and slid on the second table 12. A bracket 46 is provided at the tip of the working plate 41 to form a molded duct And a cutter 4 having a motor 43 and a cylinder 44 for rotating the circular saw blade 42 and raising and lowering the circular saw blade 42 are attached to a second table 12.

A cylinder 47 for moving the cut portion 4 for cutting the formed duct and returning the cut portion 4 to the original position is installed on the upper portion of the second table 12 and a cylinder 47 is provided between the first table 11 and the second table 12 And is connected to the guide plate 5.

This apparatus for manufacturing a helical duct requires a considerable amount of time to manufacture the mold 34 having the guide groove 35 formed therein for forming the linear spiral duct, and a large number of motors 26, 43 and cylinders 44,47) must be installed, which makes it difficult to manufacture the manufacturing apparatus.

Further, the prior art has a problem that it is not possible to make an elbow-shaped helical duct connecting the duct and the duct installed in a direction orthogonal to the helical duct.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a multi-joint jig of a spiral duct capable of making an elbow made of a helical duct.

In order to achieve the above-mentioned object, a multi-joint jig of a spiral duct manufacturing apparatus of the present invention comprises a spiral duct manufacturing apparatus for manufacturing a spiral duct, . A length adjusting bar provided on a protruding portion protruding to both sides of the split piece, a guide plate which is bent so as to be in contact with one surface of the split inner ring and fixed so as to pass through the metal plate, So as to be formed into a shape.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

FIG. 2 is a front view showing the articulated jig of the present invention, FIG. 3 is a rear view showing the articulated jig of the present invention, FIG. 4 is a side view showing the articulated jig of the present invention, FIG. 6 is a plan view showing a shank device provided with a multi-joint jig according to the present invention. FIG.

2 to 6, a multi-joint jig according to the present invention includes a split ring 100 divided into a plurality of split rings 100 and a bearing 200 coupled to pivotally move the split rings 100, And a guide plate 400 installed on the inner ring of the split piece 100 and serving as a guide for moving the metal plate.

In addition, the multi-joint jig is formed in a circular shape with its lower part partially open, and the multi-joint jig is divided into a plurality of divided pieces 100 to be adjacent to each other.

As shown in FIGS. 2 and 3, the first divided piece 110 is formed to have a largest arc of 90 degrees or more, and the second divided piece 120 And the third divided piece 130 are formed on the arc smaller than the first divided piece 110 at an angle of about 70 to 80 degrees.

A side surface protrusion 111 protruding sideways is formed at one side of the first divided piece 110. A first fixing plate 112 is fixed to the side surface protrusion 111 and a through hole The first bolt 113 is fastened to the bolt 113 and the length adjusting bar 300 is fastened to the bolt 113. [

A second fixing plate 116 is fixed to the upper surface protrusion 115 and a second fixing plate 116 is fixed to the upper surface of the first fixing member 116 The upper fixing member 117 is fixed so that the split piece 110 is stably fixed to the shim device forming the spiral duct.

The second split piece 120 is coupled between the first split piece 110 and the third split piece 130 and the side split piece 120 is formed at one side of the second split piece 120 And the bearing 200 is coupled between the first divided piece 110 and the second divided piece 120.

The third divided piece 130 is formed with a side projection 131 protruding laterally and a third fixing plate 132 is fixed to the side projection 131 and a second bolt 132 is fixed to the third fixing plate 132. [ And the length adjusting bar 300 is coupled to the second bolt 133.

The second divided piece 120 and the third divided piece 130 are adjacently joined to each other so that the side projecting portion 121 of the second divided piece 120 and the side projected portion 131 of the third divided piece 130 are connected to each other, The vertical fixing plate 135 is fixed vertically.

The bearings 200 are coupled between the first and second split pieces 110 and 120 and between the second and third split pieces 120 and 130, respectively. As shown in FIG. 3, the bearing 200 includes a bearing outer ring body 210 and a self-aligning bearing 211 is installed inside the bearing outer ring body 210.

In addition, the bolts 220 connecting the two split pieces 110 and 120 are inserted into the automatic aligning bearing 211 through the automatic aligning bearing 211.

The bearing 200 having the self-aligning bearing 211 housed in the outer ring body 210 is fixed between the second split piece 120 and the third split piece 130.

The length adjusting bar 300 is coupled to the side projecting portion 111 of the first divided piece 110 and the side projected portion 131 of the third divided piece 130, respectively.

One end of the length adjusting bar 300 is fixed to the first bolt 113 of the first fixing plate 112 and the other end is fixed to a bolt (not shown in the drawing) to the spiral duct manufacturing apparatus, One end is fixed to the second bolt 133 of the third fixing plate 130 and the other end is fixed to the spiral duct manufacturing apparatus with a bolt (not shown).

The automatic adjusting bearing 310 is coupled between one end of the length adjusting bar 300 and the first bolt 113 and the second bolt 133 and the other end of the length adjusting bar 300 and the bolt are automatically The care bearing 310 is engaged.

The length adjusting bar 300 may include a first bar 320 coupled to the first and second bolts 113 and 133 and a second bar 321 coupled to the first bar 320, And the second bar 321 are fastened to both sides of the stud bolt.

A guide plate 400 is fixed to the inner ring of the first split piece 110, the second split piece 120, and the third split piece 130, respectively. The guide plate 400 includes a first guide plate 410 fixed to the first divider 110, a second guide plate 420 fixed to the second divider 120, a third divider 130, And a third guide plate 430 which is fixed to the second guide plate 430.

The guide plate 400 is formed so as to be in contact with the inner ring of the divided piece 100. The inner surface of the guide plate 400 is formed with a groove portion 401 which is inwardly fined so that a single folded portion of the metal plate passes, The groove portion 401 is formed in a substantially triangular shape.

The multi-joint jig of the present invention having such a configuration is installed in a spiral duct manufacturing apparatus. Such a spiral duct manufacturing apparatus is shown in Figs. 5 and 6, which will be briefly described.

As shown in FIGS. 5 and 6, the spiral duct manufacturing apparatus 500 is provided with a metal plate wound around an uncoiler (not shown in the drawing), and has a waveform curve Device (not shown in the figure).

The corrugated bending device is cut so that a straight line and a corrugate are formed on a metal plate, and then a double jointed portion and a single jointed portion bent in one direction are formed on both side edges.

In addition, the spiral duct manufacturing apparatus 500 is provided with a sensing sensor 501 for detecting a protruded corrugated portion of a metal sheet to be fed, and is provided with a pair of upper and lower pairs of protruding corrugated portions A ball caster 502 is installed, and a cam 503 which is moved along the swash plate is installed at one side of the ball caster 502.

A pair of conveying rollers 504 for conveying the metal plate material is provided and a rotating device 505 for rotating the frame by a predetermined angle is installed. In the upper part of the rotating device 505, Respectively.

Upper and lower cutters 506a and 506b are provided in front of the multi-joint jig. The upper and lower cutters 506a and 506b are installed to be rotated by a rotary device 505, And the lower cutter 506b is installed to be lifted up and down along the rail by a second cylinder (not shown in the figure).

In addition, a horizontal guide rail 508 is horizontally moved to the spiral duct manufacturing apparatus, and a vertical guide rail 509 is vertically moved to the front end of the horizontal guide rail 508.

The multi-joint jig of the present invention is installed below the vertical guide rails 509. The upper fixing member 117 of the multi-joint jig is fixed to a lower portion of the vertical guide rail 509, Respectively.

In addition, the upper and lower pressing rollers 510 for pressing a single folded portion of the metal plate and the double folded portion to form a helical duct are provided on one side of the multi-joint jig.

In this spiral duct manufacturing apparatus, the metal plate material cut by the corrugated bending device is installed in a cylindrical shape through the sensing sensor 501, the ball caster 502, and the articulated jig. In this state, the metal plate is installed between the divided piece 100 of the multi-joint jig and the guide plate 400 in a state where a single folded portion of the metal plate is fitted.

When the helical duct manufacturing apparatus provided with the metal plate material is driven, the metal plate material wound on the uncoiler is continuously supplied by the feed roller 504. In the ball caster 502, when the projected wave plate portion of the metal plate material is received, The ball caster 502 is retracted.

Accordingly, the cam 503 is raised along the inclined surface of the ball caster 502, and the supplied metal plate reaches the multi-joint jig with the ball bent upward.

At this time, a single folded portion of the metal plate is transferred in a state sandwiched between the divided piece 100 of the multi-joint jig and the groove 401 of the guide plate 400, and the upper and lower pressing rollers 510 press the single The folded portion and the double folded portion are pressed and pressed.

In addition, the metal sheet material is cut by the upper and lower cutters 506a and 506b, and the helical duct made by pressing the upper and lower pressing rollers 510 is cut.

In the helical duct, a cylindrical elbow is formed by the multi-joint jig. When the elbow is formed, the multi-joint jig is organically knitted by the bearing 200 and the length-adjusting bar 300.

That is, in the movement of the multi-joint jig, as the elbow of the helical duct is formed, the first formed elbow freely moves, and the elbow is bent in the orthogonal direction and rotated along the direction of the rotation.

The divided split pieces 110, 120, and 130 of the multi-joint jig are moved according to the movement and rotation of the elbow, and the bearings 200 are fixed by the bolts 220 between the split pieces 110, 120, , The self-aligning bearings 211 coupled to the bolts 220 are moved in the orthogonal direction of the drawing of Fig. 2 or Fig.

The first divided piece 110 and the third divided piece 130 are moved in a direction in which the automatic adjustment bearing 211 is moved by the automatic movement of the length adjusting bar 300 And moves by the displacement of the care bearing 310. [

According to the present invention, an elbow can be easily formed by providing a multi-joint jig in a spiral duct manufacturing apparatus, and when the elbow is made, the elbow can freely move, which is a useful effect that does not hinder elbow forming.

Claims (6)

A spiral duct manufacturing apparatus for manufacturing a spiral duct, A divided piece divided into a plurality of pieces so that a part of the divided piece is formed into an open circular shape, And a bearing fixed between the split pieces. A length adjusting bar provided on a protruding portion extending to both sides of the split piece, And a guide plate which is bent so as to be in contact with one surface of the split inner ring and fixed so as to pass through the metal plate so that a metal plate having a straight line and a continuous wave form is formed into a cylindrical shape. Jig. The method according to claim 1, Wherein the split pieces are formed in different arcs. ≪ RTI ID = 0.0 > 15. < / RTI > 3. The method of claim 2, Wherein the bearing is formed with an outer ring member fixed to each of the divided pieces, and an inner self-aligning bearing is built in the outer annular member so that each of the split members can be moved, and the self-aligning bearing is fixed by a through bolt Multi joint jig of duct manufacturing equipment. The method of claim 3, Wherein a triangular groove portion is formed in the guide plate so that a single folded portion of the metal plate passes through the joint portion of the jig. 5. The method of claim 4, Wherein the split piece is composed of a first split piece made up of the largest circular arc, a second split piece made of a smaller arc than the first split piece and a third split piece, Wherein the first split piece is formed with a side projecting portion extending and projecting laterally and an upper side projecting portion extending and projecting upwardly, Wherein the second split piece and the third split piece are formed with side surface protrusions that extend laterally. 6. The method of claim 5, Wherein a self-aligning bearing is coupled to both ends of the length adjusting bar, and the self-aligning bearing of the length adjusting bar is coupled to move the split member.

Images