KR102411091B1 - Device for changing forming roll of roll forming machine - Google Patents

Abstract

The present invention relates to an apparatus for replacing a roll mold of a roll forming machine, wherein the frame in a state in which horizontal and vertical frames are divided in four directions and erected by a leg frame, and a pulley equipped with a power transmission member are configured such that a lifting shaft elevates the frame A control box mounted on the rear side of the frame while controlling the operation of the lifting means mounted on the hoisting means, and an electric stacker having wheels mounted to move the frame and the control box; By comprising; a loading means having a base member mounted to lift and lower by means of a base member, and one or more replacement bars mounted to lift and lower together with the base member, so that one or more roll molds are transported and replaced at a time, whereby the roll mold Replacement time can be shortened, work efficiency can be improved, and productivity can be maximized.

Description

Device for changing forming roll of roll forming machine

The present invention relates to an apparatus for transporting and replacing a roll mold of a roll forming machine, and more particularly, a roll capable of replacing one or more stages or more than one roll mold of a roll forming machine at a time. It relates to a roll mold replacement device of a forming machine.

In general, a roll forming machine is one of the iron plate forming and processing devices that obtains a finished product of a certain shape while an iron plate, which is a workpiece, passes between a pair of upper and lower forming rolls.

In this roll forming machine, a roll mold having a certain shape on the outer circumferential surface is arranged in a pair of top and bottom, a pair of roll molds are continuously arranged adjacent to each other in the front and rear, and the shape between the pair of roll molds is the same as the product shape toward the rear placed and installed At this time, it is necessary to replace the appropriate roll mold according to the type of the processing shape of the supplied iron plate or the thickness of the iron plate, that is, the shape and thickness of the final product. In addition, there are cases in which several roll forming machines are installed or the roll molds are frequently replaced due to various types of products. Here, the roll mold generally includes rollers for pressing the iron plate and a connecting member for connecting these rollers, and the roll mold is arranged in a pair of upper and lower stages, and these stages are the first stages in which the iron plate is introduced. It can be arranged from the stage to several tens of stages from which the last iron plate is discharged.

However, during the roll mold replacement operation, one to several tens of roll molds installed in the roll forming machine, or one to dozens of each of the upper or lower roll molds, or the rollers and connecting members of the roll mold, are carried and replaced by the operator one by one Therefore, it is not only physically difficult for the operator, but also increases fatigue due to numerous repetitive tasks, and the replacement takes a long time, so productivity is significantly lowered. Therefore, there is a problem that can be very complicated and difficult.

Republic of Korea Patent Registration No. 10-1146134 (Notice on May 17, 2012) Republic of Korea Patent Registration No. 10-1910472 (2018.10.22. Announcement)

An object of the present invention devised to solve the above problems is to include a loading means having a replacement bar in which the roll mold mounted on the rotation shaft of the roll forming machine or the storage rack is detached and fitted, and an electric stacker on which the loading means is mounted. In this way, one stage or more than one roll mold can be transported and replaced when replacing the roll mold, workability is convenient, and the replacement time is shortened to improve productivity by providing a roll mold replacement device for a roll forming machine. .

In order to achieve the above object, in the roll mold replacement device of the roll forming machine according to the present invention, a frame in a state in which horizontal and vertical frames are divided in all directions and erected by a leg frame, and a pulley equipped with a power transmission member are raised and lowered by a lifting shaft. A lifting means mounted on the frame to control the operation of the lifting means, a control box mounted on the rear side of the frame, and an electric stacker having wheels mounted to move the frame and the control box; and a lifting shaft or power It may include; a base member mounted to lift and lower by the operation of the transmission member, and a loading means having a replacement bar mounted to lift and lower together with the base member.

At this time, the replacement bar may be provided with a fixed replacement bar that protrudes forward so that the roll mold is fitted.

In addition, the loading means is a fixed panel fixed to the fixed replacement bar while being fixed to the front side of the base member, a guide panel fixed to correspond to both sides of the front side of the fixed panel, an elevating panel sandwiched between the guide panels to elevate, and a front to the elevating panel It may further include a lifting replacement bar which is another one of the fixed replacement bar and the vertical replacement bar while protruding, and a lifting unit mounted to elevate the lifting replacement bar.

At this time, the lifting replacement bar or the fixed replacement bar may be at least one pair consisting of an upper and a lower portion, or at least one installed in each of the upper and lower portions, or at least one pair or at least one left and right, and at least one left and right can be installed.

In addition, the elevating unit, for example, is threaded on the outer periphery so that it is threaded with the inner circumferential surface of the fastening hole while penetrating the fastening hole formed in the elevating replacement bar, and the elevating adjustment member, which rotates in place, passes through the base member or the fixed panel. It may include a fixed mounting member, and a power source for rotating the handle or the lifting adjustment member mounted on the upper portion of the lifting adjustment member.

At this time, when the lifting adjustment member is rotated in place with a handle or a power source, the lifting panel and the lifting replacement bar may be raised and lowered.

In addition, as another example of the elevating unit, the elevating unit is mounted through the elevating replacement bar, and the elevating adjustment member rotates in place while a thread is machined on the outer periphery, the outer periphery of the elevating adjustment member and the outer periphery of the elevating adjustment member and the elevating auxiliary force fixed to the inside of the elevating replacement bar It may include a member, a mounting member through which the lifting adjustment member passes and fixed to the base member or the fixing panel, and a handle mounted on the upper portion of the lifting adjustment member to rotate the handle or a power source for rotating the lifting adjustment member.

At this time, the elevating adjustment member is threadedly fastened with the elevating aid member while penetrating the elevating replacement bar, and when rotating in place, the elevating replacement bar may be raised and lowered.

And as another example, the lifting unit may include a lifting adjustment member to which the lifting replacement bar is fixed, a mounting member through which the lifting adjustment member passes and fixed to the base member or the fixed panel, and a power source for lifting and lowering the lifting adjustment member.

In this case, the lifting adjustment member may be configured to be raised and lowered by a power source.

On the other hand, the lifting unit may further include a lifting aid member fixed to the inside of the lifting panel side of the lifting replacement bar.

The elevating adjustment member may be threadedly fastened with the elevating aid member while penetrating the elevating replacement bar, and when rotating in place, the elevating replacement bar may be raised and lowered.

In addition, the replacement bar may be stepped so that the inner diameter (D1) of the front-end portion is widened while the inside of the tip-side portion is stepped.

This inner diameter (D1) can be processed to have a tolerance for inserting the tip portion of the replacement bar into the tip portion of the rotation shaft of the roll mold of the roll forming machine.

In addition, in order to prevent jamming during movement of the roll mold between the replacement bar and the roll mold rotation shaft of the replacement bar and the roll forming machine, and the storage bar of the replacement bar and the storage rack, the outer diameter (D3) of the replacement bar is larger than the outer diameter (d2) of the rotation shaft It may be small or large, and may be made larger than the outer diameter of the storage bar.

On the other hand, the lifting means may further include a main body for drawing or inserting the lifting shaft by hydraulic pressure, pneumatic pressure, or power using a control signal of the control box while being mounted on the frame.

Accordingly, the base member may be raised and lowered together with the pulley by the lifting of the lifting shaft, and the base member may be raised and lowered secondarily by the operation of the power transmission member.

In addition, the length (L) of the leg frame can be processed shorter than the protruding length of the replacement bar to prevent contact with the storage rack or the roll forming machine when the roll mold is transferred to the replacement bar or transferred from the replacement bar.

In addition, the wheel may include a front wheel mounted on the front end of the leg frame and a rear wheel mounted on the lower surface of the control box.

These front or rear wheels may be general wheels that roll when the frame moves in a straight line or rotation, or may be made of electric wheels connected to an external power source and controlled by a control box.

As described above, according to the present invention, the replacement bar is provided with at least one stage of a pair of upper and lower parts or one or more of each of the upper and lower parts, so that one or more stages of the upper and lower pairs or one or more of each of the upper and lower parts are provided. The roll mold is transported and replaced at a time, thereby reducing the roll mold replacement time, improving work efficiency, and maximizing productivity.

In addition, since the loading means is first lifted by the lifting shaft, the height of the storage bar or the rotation shaft and the height of the replacement bar are adjusted regardless of the interval between the storage bars or the rotation shafts, thereby improving the convenience of work there is

In addition, as the loading means is first raised by the lifting shaft and raised again by the power transmission device, there is an effect that the height of the replacement bar can be precisely adjusted.

In addition, after the above first lifting is made and/or at least one of the replacement bars is automatically raised and lowered manually or by power by the handle of the lifting unit, at least one replacement bar among the replacement bars is separated from the storage bar of the storage rack. It is possible to precisely match the height of the roll forming machine or the height of the rotation shaft of the roll forming machine, which has the effect of smoothly moving the roll mold between the replacement bar and the storage bar or the rotation shaft.

In addition, since the inner diameter of the tip of the replacement bar is slightly larger than the outer diameter of the tip of the rotation shaft of the roll mold or the tip of the storage bar of the storage rack, the tip of the replacement bar and the tip of the rotation shaft or storage bar are in close contact or fit or fall out easily And, thereby, there is an effect that the operation of inserting or removing the roll mold to the replacement bar can be performed smoothly.

In addition, the outer diameter of the replacement bar is machined smaller or larger than the outer diameter of the rotation shaft of the roll mold to form a step while the replacement bar is inserted into the rotation shaft, and the outer diameter of the replacement bar is machined larger than the outer diameter of the storage bar of the storage rack and replaced By making the bar have a step difference in the state that it is inserted into or close to the storage bar, when there is no step difference between the replacement bar and the rotation shaft or between the replacement bar and the storage bar, it is difficult to move the roll mold between the replacement bar, the rotation shaft and the storage bar in actual work, and this difficulty can be overcome There is an effect that the convenience of work can be improved while moving the roll mold smoothly by solving the problem.

In addition, since the length of the replacement bar is disposed longer than the leg frame of the electric stacker, there is an effect that interference between the replacement bar and the storage bar or the roll mold when the roll mold is moved between the rotation shaft and the leg frame, the storage rack or the roll forming machine can be avoided.

In addition, since one or more replacement bars are arranged vertically and horizontally, a plurality of roll molds can be replaced at a time, so that the working time can be shortened as much as possible.

And by being installed in a manual structure in which the wheels roll in the movement of the frame or in an electric structure that rolls by power, it can be operated by an operator, or it can be automatically operated with a control signal from the control box to improve the fatigue of the operator. It may have an effect.

The following drawings attached to this specification illustrate preferred embodiments of the present invention, and serve to further understand the technical spirit of the present invention together with the detailed description of the present invention, so the present invention is limited only to the matters described in such drawings should not be construed as
1 is a perspective view schematically illustrating an apparatus for replacing a roll mold of a roll forming machine according to a preferred embodiment of the present invention.
Figure 2 is an exploded perspective view of the loading means shown in Figure 1;
FIG. 3 is a cross-sectional view taken along line AA of FIG. 2 .
4 is a side cross-sectional view of a portion "A" shown in FIG.
FIG. 5 is a cross-sectional view taken along line BB shown in FIG. 3 .
FIG. 6 is a state diagram illustrating a state in which the lift replacement bar moves downward in FIG. 1 .
7 to 14 are views illustrating a process of mounting the roll mold of the storage rack to the roll forming machine using the replacement device of FIG. 1 .

Hereinafter, preferred embodiments will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art can easily practice the present invention. However, when it is determined that a detailed description of a related well-known function or configuration may unnecessarily obscure the gist of the present invention in describing the operating principle of the preferred embodiment of the present invention in detail, the detailed description thereof will be omitted.

<configuration>

As shown in FIGS. 1 and 2 , the roll mold replacement device of the roll forming machine according to a preferred embodiment of the present invention includes an electric stacker 100 and a loading means 200 .

First, the electric stacker 100 is equipped with a loading means 200 and is manufactured to move from one place to another. The electric stacker 100 may include a frame 110 , a lifting means 120 , a control box 130 , and wheels 140 .

The frame 110 may include a vertical frame 111 on both sides, a horizontal frame 112 of upper and lower portions, a leg frame 113 , and a handle 114 .

Here, the vertical frame 111 and the horizontal frame 112 are located on both sides and upper and lower portions, respectively, and may be manufactured by combining them with each other. The vertical frame 111 and the horizontal frame 112 combined in this way are erected, and the lifting means 120 and the control box 130 are installed on the rear side, and the loading means 200 is installed on the front side and the legs mounted on the lower part. It may be supported by the frame 113 .

In addition, the leg frame 113 is coupled to the lower horizontal frame 112 for example and is installed long in the front, and the front wheel 141 may be installed at the tip. Here, the length (L) of the leg frame 113 in FIG. 2 is the replacement bar 230 of the loading means 200 to be described later as shown in FIGS. 1, 7 and 10, that is, the elevating replacement bar 232 or It may be manufactured shorter than the length of the fixed replacement bar 231 . For this reason, the roll mold 410 is moved from the storage rack 300 or the roll former 400 to the replacement bar 230 or vice versa, the leg frame 113 is the storage rack 300 or the roll former The phenomenon of colliding with the 400 is prevented, so that the roll mold 410 can be replaced and transported smoothly.

And the handle 114 is mounted on the rear surface of the frame 110, the operator can be used as a member for pushing or pulling the frame 110.

The lifting means 120 is installed to lift the loading means 200 mounted on the frame 110 up and down. The lifting means 120 may have a manual structure using a gear, or an automatic structure using a power device such as a cylinder. Hereinafter, the case of the automatic structure will be described as an example. The lifting means 120 includes a main body 121, a lifting shaft 122 that is drawn out and inserted from the main body 121, and a pulley 123 mounted to raise and lower the loading means 200 while ascending and descending by the lifting shaft 122. ), it may be provided with a power transmission member 124 mounted on the pulley 123 .

Here, the main body 121 is manufactured to withdraw or insert the lifting shaft 122, and may be, for example, a pneumatic or hydraulic cylinder, and in this case, the lifting shaft 122 may be a rod of a cylinder. In addition, the body 121 may be manufactured in a conventional structure for elevating the lifting shaft 122 by gear or power.

In addition, the lifting shaft 122 may be installed to raise and lower the pulley 123 while ascending and descending from the main body 121 .

In addition, the pulley 123 is mounted on the lifting shaft 122 , and the height may be changed by the lifting shaft 122 .

The power transmission member 124 is wound around the pulley 123 and mounted, one side is fixed to the frame 110 of the lower part of the stacker 100, and the other side is the base member 210 positioned higher than the fixed position of the one side. ) can be fixed. The power transmission member 124 may be, for example, a chain or a belt. Accordingly, when the elevating shaft 122 rises or descends, the base member 210 rises or falls by the pulley 123 and the power transmission member 124, and the elevating speed of the base member 210 at this time is determined by the elevating shaft ( 122) may be approximately twice the elevating speed.

In addition, as another example, the pulley 123 is composed of upper and lower pulleys, the upper pulley is raised and lowered by the lifting shaft 122 , and the power transmission member 124 is mounted to form an endless track on the upper and lower pulleys, and the power transmission member 124 ) may be mounted to elevate the base member 210 while being wound around the upper and lower pulleys. Accordingly, the base member 210 may be first lifted together with the lift shaft 122 and the pulley 123 , and may be lifted again by the rotation of the power transmission member 124 .

The control box 130 is mounted to electrically control the operation of the lifting means 120 . In more detail, the control box 130 drives the main body 121 to raise or lower the lifting shaft 122, for example, while supplying or discharging oil or air to the main body 121 like a cylinder, the lifting shaft (122) can be raised and lowered. In addition, by operating the front wheel 141 and the rear wheel 142 connected to the power source, the control box 130 automatically moves the electric stacker 100, that is, the roll mold replacement device of the present invention, by electric power without the manpower of the operator. can For this purpose, a switch or a jog shuttle or a handle that can be operated by an operator may be additionally installed. A rear wheel 142 may be installed in the control box 130 .

Here, the front wheel 141 and the rear wheel 142 may be mounted on the front end of the leg frame 113 and the lower portion of the control box 130 , respectively. The electric stacker 100 including the frame 110 and the control box 130 can be moved by using the front wheel 141 and the rear wheel 142 . In addition, the front wheel 141 and the rear wheel 142 are preferably installed to rotate 360° freely in order to increase the mobility of the electric stacker 100, and in addition, various other types of wheels may be mounted. The front wheel 141 and the rear wheel 142 may be passively operated, for example, when the operator moves the frame 110 , and as another example, is connected to a power source and installed to receive the control of the control box 130 , thereby replacing the roll mold The device may be moved by electric power.

On the other hand, the loading means 200 is fixed to the frame 110, the storage rack 300 or is manufactured so that the roll mold 410 of the roll forming machine 400 can be moved and loaded. The loading means 200 may include a base member 210 , a fixing panel 220 , a replacement bar 230 , a guide panel 240 , and a lifting unit 250 .

The base member 210 is mounted to be lifted up and down by the elevating means 120 . The base member 210 has a hollow protrusion on both sides through which the power transmission member 124 passes on the rear surface of the panel, the main body 121 or the lifting shaft 122 is located on the rear side, and the power transmission member ( 124) may be fixed to the other side. For this reason, the base member 210 may be lifted by the pulley 123 when the lifting shaft 122 moves up and down, and as the transmission member 124 mounted on the pulley 123 is wound or unwound.

The fixing panel 220 is firmly fixed to the front surface of the base member 210 through welding, bolting, and the like. In addition, the first fixed panel 220 has a substantially plate shape, and a fixed replacement bar 231 on which the roll mold 410 is seated may be fixed to the lower portion.

The replacement bar 230 may include a fixed replacement bar 231 and an elevating replacement bar 232 .

First, the fixed replacement bar 231 is a member for transferring the roll mold 410 mounted on the lower rotation shaft 420 of the storage rack 300 or the roll former 400 . The fixed replacement bar 231 has a bar shape having a certain length, for example, a hollow cylindrical shape, and one end is fixed to the lower portion of the fixing panel 220 and can be disposed in a state protruding toward the front. .

In addition, the lift replacement bar 232 is a member for transferring the roll mold 410 mounted on the upper rotation shaft 420 of the storage rack 300 or the roll former 400 . The elevating replacement bar 232 has a bar shape having a predetermined length, for example, a hollow cylindrical shape, and one end is fixed to the elevating panel 251 and may be disposed in a state protruding toward the front. The elevating adjustment member 253 is fixed to the elevating replacement bar 232 , and may be lifted by the elevating adjusting member 253 . For example, in the elevating replacement bar 232 , the elevating adjustment member 253 of the elevating unit 250 to be described later passes through the fastening hole 233 of the elevating panel 251 side, and the inner circumferential surface of the fastening hole 233 is It may be installed to be screwed with the lifting adjustment member (253). For this reason, the lift replacement bar 232 can be lifted up and down by the in-situ rotation of the lift adjustment member 253 as seen from the positions of FIGS. 1 and 6 . As another example, the lifting adjustment member 253 is fixed to the lifting replacement bar 232 , and the lifting adjustment member 253 is installed to be lifted by an external power source, so that the lifting replacement bar 232 can be lifted. As another example, a configuration including the lifting shaft 122 , the pulley 123 , and the power transmission member 124 as the lifting means 120 is separately installed so that the lifting replacement bar 232 may be raised and lowered.

Here, referring to FIG. 4 , the inner diameter D1 of the tip side portion of the replacement bar 230 may be manufactured to have a step difference and be enlarged than the inner diameter D2 of the other portion. In addition, the outer diameter d1 of the tip side portion of the upper and/or lower rotation shaft 420 of the roll former 400 may be manufactured to have a step difference and to be reduced than the outer diameter d2 of other portions. Here, the front end inner diameter D1 of the replacement bar 230 may be larger than the outer diameter d1 of the front end portion of the upper or lower rotation shaft 420 of the roll former 400 . In particular, the inner diameter D1 may be a tolerance of loose fit with respect to the outer diameter d1 or larger so that the tip portion of the replacement bar 230 can be easily fitted and separated from the tip portion of the rotation shaft 420 . Also, the outer diameter D3 of the replacement bar 230 may be smaller or larger than the outer diameter d2 of the rotation shaft 420 . Due to this, a step is formed on the outer surface between the replacement bar 230 and the rotation shaft 420 in a state in which the replacement bar 230 is inserted into the rotation shaft 420, and the replacement bar 230 due to this step through actual repeated work. And it was found that the movement of the roll mold 410 is smoother than when the outer diameter of the rotating shaft 420 is the same. And the inner diameter (D1) of the tip side portion of the replacement bar 230 is larger than the outer diameter of the storage bar 310 of the storage rack 300, the outer diameter (D3) may also be larger than the outer diameter of the storage bar (310). . Due to this, the replacement bar 230 is easily fitted and separated from the storage bar 310 , and the roll mold 410 between the replacement bar 230 and the storage bar 310 can be moved smoothly.

As shown in FIGS. 2 and 3 , the guide panel 240 is a member that is mounted on the front surface of the fixed panel 220 and guides the vertical movement of the elevating replacement bar 232 . The guide panel 240 has a predetermined length and has an approximately “L” shape in a flat cross-section, and is formed of a pair arranged to correspond to each other, and may be fixed to both sides of the fixing panel 220 .

At this time, the guide panel 240 may be fixed by being positioned higher than the fixed position of the fixed replacement bar 231 at the upper end of the fixed panel 220 , for example. The lifting panel 251 is sandwiched between the guide panels 240 on both sides, and the lifting and lowering of the lifting panel 251 can be guided. In addition, the guide panel 240 forms a step difference of various shapes including a "C" shape in addition to the "L" shape, and is arranged to correspond to each other to provide a moving groove, and the elevating panel 251 is inserted into the moving groove. We can guide you on the ascent.

The lifting unit 250 is configured to lift the lifting replacement bar 232 up and down, as shown in FIGS. 1 to 3 . Looking at the configuration of the manual operation of the lifting unit 250 operated by the manpower of the operator, the lifting panel 251, the mounting member 252, the lifting adjusting member 253, the handle 254 and the lifting assisting member 255. can be provided.

The lifting panel 251 is a plate-shaped member to which one end of the lifting replacement bar 232 is fixed. The lifting panel 251 may be installed so as to be lifted by being sandwiched between the guide panels 240 on both sides.

The mounting member 252 is a plate-shaped member for fixing the handle 254 and the lifting adjustment member 253 . The mounting member 252 may be fixed to the base member 210 and/or the fixing panel 220 , and installed so that the elevation adjustment member 253 passes therethrough.

The lifting adjustment member 253 is installed to rotate in place while penetrating the mounting member 252 in order to elevate the lifting replacement bar 232, and a screw thread is machined on the outer periphery to pass through the lifting replacement bar 232 with a mutual bolt and It may be installed so that the threaded fastening of the nut structure is made. Accordingly, when the lifting adjustment member 253 rotates in place, the lifting replacement bar 232 may rise or fall. As such, the elevating adjustment member 253 may be installed to directly elevate the elevating replacement bar 232 , or may be installed to elevate the elevating panel 251 to elevate the elevating exchanging bar 232 .

The handle 254 may be mounted on the upper part of the lifting adjustment member 253 so that the operator can rotate the lifting adjustment member 253 . When the lifting adjustment member 253 is rotated in place by turning the handle 254, as shown by comparing FIGS. 1 and 7, the lifting replacement bar 232 can descend. Of course, when the handle 254 is turned in the opposite direction, the lift replacement bar 232 may rise. This handle 254 may be installed to be operatively rotated manually by an operator or by external power. In addition, the lifting adjustment member 253 fixed to the lifting replacement bar 232 may be installed to be raised and lowered by external power. It can also be excluded.

As shown in FIG. 5 , the lifting aid member 255 is mounted on the inside of the lifting replacement bar 232 , and threaded and screwed on the outer periphery of the lifting adjustment member 253 , for example, a screw thread of a bolt and nut structure It may be installed to be fastened. The elevating member 255 may be, for example, a nut. In addition, a thread for directly fastening the elevating adjustment member 253 and the screw thread to the outer circumferential surface of the fastening hole 233 of the elevating replacement bar 232 may be machined, and in this case, the elevating assisting member 255 may be omitted.

In addition, the lifting unit 250 may be installed so that the in-situ rotation of the lifting adjustment member 253 is made by electric power from an external power source, and controlled through a switch or button of the control box 130 .

<Replacement operation>

Hereinafter, as an example, a pair of roll molds 410 stored in the upper storage bar 310 and the lower storage bar 310 of the storage rack 300 are loaded in the replacement device of the present invention and then moved to the roll forming machine ( The operation of replacing the upper and lower rotary shafts 420 of 400 will be described with reference to FIGS. 7 to 14 . The replacement operation is largely divided into a transport step of moving the roll mold 410 from the storage rack 300 to the replacement device, and a replacement step of mounting the roll mold 410 in the roll forming machine 400 from the replacement device. .

The roll mold 410 replacement operation is performed in a state in which the roll former 400 and the storage rack 300 are installed adjacent to each other as shown in FIG. 7 .

In the transport step, the replacement device moves to the vicinity of the storage rack 300 , and the roll mold 410 fitted in the storage bar 310 is moved to the replacement bar 230 and then moved to the roll forming machine 400 .

To this end, as shown in FIG. 8, the height of the fixed replacement bar 231 is adjusted to the height of the lower storage bar 310 among the upper and lower two storage bars 310 in which the two roll molds 410 to be replaced are stored and close. make it At this time, the fixed replacement bar 231 is adjusted to the height of the storage bar 310 through the primary elevation of the base member 210 by the elevation shaft 122 of the elevation means 120 .

Thereafter, as in FIG. 9 , the height of the lifting replacement bar 232 is adjusted by turning the handle 254 to match the height of the upper storage bar 310 , and the electric stacker 100 is moved back and forth to bring it closer. In this case, the fixed replacement bar 231 and/or the elevating replacement bar 233 may be inserted into the storage bar 310 .

And, as shown in FIG. 10, the upper and lower roll molds 410 fitted to the storage bar 310 are transferred to the lifting replacement bar 232 and the fixed replacement bar 231, respectively.

On the other hand, the replacement step is made to mount the roll mold 410 in the roll former 400 after the replacement device loaded with the roll mold 410 is moved to the roll former (400).

To this end, as shown in FIG. 11 , by moving the electric stacker 100 to move the roll mold 410 to the vicinity of the roll forming machine 400 , the mounting frame 430 mounted on the rotating shaft 420 of the roll forming machine 400 . ) is separated as shown in FIG.

Then, as in FIG. 13 , the primary lifting and lowering of the base member 210 by the lifting shaft 122 of the fixed replacement bar 231 and the secondary lifting and lowering of the fixed panel 220 by the power transmission member 124 . Adjust to the height of the lower rotation shaft 420 through.

In addition, by turning the handle 254, the lifting bar 232 is adjusted to the height of the upper rotating shaft 420.

In addition, by advancing the electric stacker 100 , the tip of the fixed replacement bar 231 is inserted into the tip of the lower rotation shaft 420 , and the tip of the lifting replacement bar 232 is inserted into the tip of the upper rotation shaft 420 .

And, as shown in FIG. 14, the upper and lower roll molds 410 are transferred to the upper and lower rotation shafts 420, and the electric stacker 100 is reversed again to raise and lower the replacement bar 232 and the upper rotation shaft 420, and The fixed replacement bar 231 and the lower rotating shaft 420 are separated.

After that, the mounting frame 430 is coupled to the rotation shaft 420 again.

In this way, the roll mold 410 of the storage rack 300 can be mounted on the roll forming machine 400 .

If the above sequence is reversed, the roll mold 410 of the roll forming machine 400 may be moved to the storage rack 300 .

As described above, those skilled in the art to which the present invention pertains will be able to understand that the present invention may be embodied in other specific forms without changing the technical spirit or essential features thereof. Therefore, it should be understood that the above-described embodiments are illustrative in all respects and not restrictive. The scope of the present invention is indicated by the claims described later rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and equivalent concepts should be interpreted as being included in the scope of the present invention. do.

100: electric stacker
110: frame 111: vertical frame
112: horizontal frame 113: leg frame
114: handle 120: elevating means
121: body 122: lifting shaft
123: pulley 124: power transmission member
130: control box 140: wheel
141: front wheel 142: rear wheel
200: means of loading
210: base member 220: fixed panel
230: replacement bar 231: fixed replacement bar
232: lift replacement bar 233: fastening hole
240: guide panel 250: elevating unit
251: elevating panel 252: mounting member
253: elevating adjustment member 254: handle
255: lifting aid member
300: storage rack
310: storage bar
400: roll forming machine
410: roll mold 420: rotation shaft.
430: mounting frame..

Claims (8)

The horizontal and vertical frames 111 divide the four sides, and the lifting shaft 122 elevates the frame 110 in a state erected by the leg frame 113 and the pulley 123 on which the power transmission member 124 is mounted. The control box 130 mounted on the rear of the frame 110 while controlling the operation of the lifting means 120 mounted on the frame 110 and the lifting means 120, the frame 110 and the control box 130 ) electric stacker 100 having a mounted wheel 140 to move; and
The loading means 200 having a base member 210 mounted to elevate by the operation of the elevating shaft 122 or the power transmission member 124, and a replacement bar 230 mounted to elevate together with the base member 210 ); including;
The loading means 200 is fixed to the front side of the base member 210 and fixed to the fixed panel 220 to which the fixed replacement bar 231 is fixed, and a guide panel fixed to correspond to both sides of the front side of the fixed panel 220, respectively ( 240), the elevating panel 251 inserted between the guide panel 240 and elevating, the other one of the fixed replacement bar 231 and the replacement bar 230 disposed up and down while protruding forward on the elevating panel 251 Elevating replacement bar 232, further comprising a lifting unit 250 mounted to elevate the lifting replacement bar 232,
The elevating replacement bar 232 or the fixed replacement bar 231 is at least one pair consisting of an upper and lower portion, or at least one in each of the upper and lower portions, or at least one pair or at least one in the left and right sides. Machine's roll mold replacement device.
In claim 1,
The elevating unit 250 is threaded on the outer periphery so as to be screwed with the inner circumferential surface of the fastening hole 233 while passing through the fastening hole 233 formed in the elevating replacement bar 232, and the elevating adjustment member 253 rotates in place. , The lifting adjustment member 253 is passed through and the mounting member 252 fixed to the base member 210 or the fixed panel 220, and the handle 254 or elevating is mounted on the upper portion of the lifting adjustment member 253 to rotate. A power source for rotating the adjustment member 253 is provided, and when the lift adjustment member 253 is rotated in place with the handle 254 or a power source, the lift replacement bar 232 mounted on the lift adjustment member 253 is raised and lowered. lose,
The elevating unit 250 is mounted through the elevating replacement bar 232, and the elevating adjustment member 253 rotates in place while a thread is machined on the outer periphery. A lifting force member 255 fixed to the inside of the bar 232, a lifting adjustment member 253 through and a mounting member 252 fixed to the base member 210 or the fixing panel 220, and the lifting adjustment member ( 253) is mounted on the upper portion and provided with a power source for rotating the handle 254 or the lifting adjustment member 253 for rotating, the lifting adjustment member 253 passing through the lifting replacement bar 232, the lifting force member 255 ) and the screw thread, and when rotating in place, the elevating replacement bar 232 is made to elevate, or
The lifting unit 250 includes a lifting adjustment member 253 to which the lifting replacement bar 232 is fixed, a mounting member 252 through which the lifting adjustment member 253 passes and is fixed to the base member 210 or the fixing panel 220 . ) and a power source for elevating the elevating adjusting member 253, wherein the elevating adjusting member 253 is elevated by the power source.
In claim 1,
The replacement bar 230 is stepped so that the inner diameter (D1) of the frontmost portion is wider than the inner diameter (D2) of the other portion while the inside of the front portion is stepped,
The inner diameter (D1) is a roll mold replacement device of the roll forming machine made by processing the tip portion of the replacement bar 230 to the tip portion of the roll mold rotation shaft 420 of the roll forming machine 400 to have a tolerance for insertion and removal. .
In claim 1 or 3,
The replacement bar 230 and the roll mold rotation shaft 420 of the roll forming machine 400 and the replacement bar 230 and the storage bar 310 of the storage rack 300 prevent jamming during movement of the roll mold ( ) In order to do so, the outer diameter (D3) of the replacement bar 230 is smaller or larger than the outer diameter (d2) of the rotation shaft 420, the roll mold replacement device of the roll forming machine made larger than the outer diameter of the storage bar (310).
In claim 1,
The lifting means 120 further includes a main body 121 for drawing or inserting the lifting shaft 122 with hydraulic pressure, pneumatic pressure or power with a control signal of the control box 130 while being mounted on the frame 110,
The roll mold replacement device of the roll forming machine is configured such that the base member 210 is raised and lowered together with the pulley 123 by the lifting of the lifting shaft 122, and secondly raised and lowered by the operation of the power transmission member 124.
In claim 1,
The length (L) of the leg frame 113 is in contact with the storage rack 300 or the roll forming machine 400 when the roll mold 410 is transferred to the replacement bar 230 or transferred from the replacement bar 230 . A roll mold replacement device of a roll forming machine made by processing shorter than the protruding length of the replacement bar 230 to prevent this.
In claim 1,
The wheel 140 has a front wheel 141 mounted on the tip of the leg frame 113 and a rear wheel 142 mounted on the lower surface of the control box 130,
The front wheel 141 or the rear wheel 142 is a general wheel that rolls when the frame 110 moves in a straight line or rotation, or is connected to an external power source and is a roll forming machine composed of an electric wheel controlled by the control box 130 . Roll mold replacement device. delete

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