KR102037122B1 - Continously forming apparatus with roll forming - Google Patents

Abstract

The roll forming continuous molding apparatus according to the present invention comprises: a molding apparatus main body having a plurality of forming stands including an upper forming roll and a lower forming roll for forming a material in a traveling direction of the material; A first integrated height adjusting unit for raising and lowering the upper forming roll and the lower roll disposed on the front side advancing portion into which the raw material is introduced from the forming apparatus main body; And a second individual height adjusting unit for independently lifting and lowering the upper and lower forming rolls respectively disposed in the middle and rear advancing portions after the front advancing portion of the molding apparatus body.

Description

Roll forming continuous molding machine {CONTINOUSLY FORMING APPARATUS WITH ROLL FORMING}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a roll forming continuous molding apparatus, which is a roll forming continuous molding apparatus for continuously forming a material by roll forming.

Roll forming technology is an alternative molding method that is different from the conventional press molding method for forming a car body.Roll forming technology uses a pair of rolls to pass a multi-stage roll mold to pass a multi-step molding using progressive plastic deformation. -forming).

This multi-stage molding method is a technology that has an advantage in forming a body part with a constant cross section, and is a technology that can simultaneously achieve safety enhancement and light weight through increased rigidity.

In addition, multi-stage molding technology is known as the most rational molding method for forming ultra-high strength materials with low elongation, and the material recovery rate can be expected to be 90% or more compared to 70% of the press process material recovery rate, and the mold wear rate is low. It has the advantage of improving the lifespan, improving product precision and economically producing certain cross-sectional shapes.

In such a roll forming multi-stage continuous molding, research for improving productivity and product quality in various parts including a driving part for driving a continuous roll mold has been conducted.

Republic of Korea Patent Application Publication No. 10-2015-0188971

The present invention has been made to solve the above problems, and an object thereof is to provide a roll forming continuous molding apparatus that improves various parts including a driving part of a roll mold.

Roll forming continuous molding apparatus according to an embodiment of the present invention in order to achieve the above object, a plurality of forming stand having an upper forming roll and a lower forming roll to roll forming the material is arranged in the traveling direction of the material Molding apparatus main body; A first integrated height adjusting unit for raising and lowering the upper forming roll and the lower roll disposed on the front side advancing portion into which the raw material is introduced from the forming apparatus main body; And a second individual height adjusting unit for independently lifting and lowering the upper and lower forming rolls respectively disposed in the middle and rear advancing portions after the front advancing portion of the molding apparatus body.

Here, the upper forming roll and the lower forming roll is supported by the roll support block of the roll shaft, the first integrated height adjustment unit, the roll supporting block of the upper forming roll and the roll supporting block of the lower forming roll Connecting member for connecting; And a first integrated height adjusting member for height adjusting the roll supporting block of the upper forming roll, wherein the second individual height adjusting unit has a second upper height adjusting for adjusting the roll supporting block of the upper forming roll. absence; And a second lower height adjusting member for height adjusting the roll supporting block of the lower forming roll, wherein the first integrated height adjusting member and the second upper height adjusting member are disposed above the roll supporting block of the upper forming roll. The second lower height adjusting member may be disposed below the roll supporting block of the lower forming roll.

At this time, the upper forming roll and the lower forming roll installed in the front traveling portion is connected to each other by the first drive connecting portion having a universal joint and connected to the axial rotation driving member, the middle and the rear traveling portion disposed in the The upper forming roll and the lower forming roll may be independently connected to the axial rotation driving member, respectively, by a second driving connecting portion having two different universal joints.

Specifically, the first drive connecting portion, the upper roll driven gear axially connected to the roll shaft of the upper forming roll installed in the front side advance; A lower roll driven gear axially connected to the roll shaft of the lower forming roll installed in the front advancing part and gear-engaged with the upper roll driven gear; An integrated universal joint axially connected to the upper roll driven gear or the lower roll driven gear; And an integrated drive gear axially connected to the integrated universal joint and drive-connected to the axial rotation driving member, wherein the second drive connecting portion is axially connected to the roll shafts of the upper forming rolls installed in the intermediate and rearward portions. Universal joint; A lower universal joint axially connected with the roll shaft of the lower forming roll installed in the intermediate and rearward progression portions; An upper roll drive gear axially connected to the upper universal joint; And a lower roll driving gear axially connected to the lower universal joint and gear-fastened to the upper roll driving gear, wherein the upper roll driving gear or the lower roll driving gear may be connected to the shaft rotation driving member.

In addition, the axial rotation drive member, a plurality of drive shafts are arranged in the longitudinal direction, the screw line is formed on the outer peripheral surface and the shaft gear portion formed at the end; A chain connecting a plurality of shaft gear parts formed at opposite ends of the plurality of drive shafts; And a driving motor connected to the shortest side driving shaft of the plurality of driving shafts to axially rotate the driving shaft.

The first integrated height adjusting member, the second upper height adjusting member, and the second lower height adjusting member are each screwed while passing through a block axis extending in the longitudinal direction from the roll supporting block, and the roll is rotated. A fixed height worm wheel for elevating the support block and having wheel gears formed on an outer circumferential surface thereof; And a height adjusting worm shaft which is disposed in the transverse direction perpendicular to the block axis and has an outer thread line geared to a wheel gear of the height fixing worm wheel on an outer circumferential surface thereof to rotate the height fixing worm wheel when the shaft rotates. And an adjustment motor connected to the height adjustment worm shaft to axially rotate the height adjustment worm shaft.

The roll shafts of the upper roll and the lower roll are respectively separated in the upper roll and the lower roll, and the upper roll is installed in the middle and rear rolls. The roll shaft of each of the lower forming rolls may be an integral type which is continued inside each of the upper forming roll and the lower forming roll.

On the other hand, the present invention is installed on the upper or lower side of the upper forming roll and the lower forming roll, the height position sensor for measuring the height of the upper forming roll and the lower forming roll; And the first integrated height adjusting member electrically connected to the height position sensor, the first integrated height adjusting member, the second upper height adjusting member, and the second lower height adjusting member, using the measured value of the height position sensor as data. The controller may further include a controller configured to control the second upper height adjusting member and the second lower height adjusting member.

In addition, the present invention is installed on both sides of the traveling route between the plurality of the molding stand, the left and right position sensor for measuring the left and right position of the material; Left and right driving members for moving the upper and lower forming rolls to the left and right directions of the material; And a controller electrically connected to the left and right position sensors and the left and right drive members to control the left and right drive members by using the measured values of the left and right position sensors as data.

Here, the left and right drive member, a variable length shaft connecting member for connecting the roll shaft of each of the upper forming roll and the lower forming roll; And a left and right conveying device connected to the shaft connecting member to move the shaft connecting member in a left and right direction of the material.

In addition, the present invention is installed on the upper portion and the lower portion of the lower forming roll, the pressing force sensor for measuring the pressing force of the upper forming roll and the lower forming roll is pressed by the material; And a controller electrically connected to the pressing force sensor and the axial rotation driving member for axially rotating the upper forming roll and the lower forming roll to control the axial rotation driving member by using the measured value of the pressing force sensor as data. Can be.

The roll forming continuous molding apparatus according to the present invention includes a front side forward portion through which a raw material is injected into a molding apparatus body including a plurality of molding stands, and a middle side and a rear side portion disposed after the front side forward portion and a top forming roll and a bottom portion. By being configured to be different from each other in the drive structure and the roll shaft structure for lifting the forming roll, it is possible to reduce the investment cost by simplifying the device structure, which has the effect that can ultimately lead to improved productivity.

Furthermore, the present invention is configured by the second individual height adjusting unit so that the upper forming roll and the lower forming roll is independently lifted from each other, it is possible to smoothly and easily manufacture the geometric shape of the body parts, due to the load received by the material The position change of the upper forming roll and the lower forming roll is measured by the height position sensor, and has the advantage of being able to precisely correct the position again by the second individual height adjusting unit.

In addition, the present invention is configured by the left and right position sensor for measuring the left and right position of the material, by moving the upper and lower roll to correspond to the change in the left and right position of the material is the center of the material to the upper and lower roll By forming a state, the pressure sensor for measuring the pressing force of the upper forming roll and the lower forming roll to the material, by controlling the rotational speed of the upper forming roll and the lower forming roll according to the thickness of the material, thereby controlling the molding pressing time, The production of high quality molded products has the advantage of improving productivity.

1 is a perspective view and a plan view showing a roll forming continuous molding apparatus according to the present invention.
FIG. 2 is a side view of the middle and rear advancing portions of the roll forming apparatus of FIG. 1. FIG.
FIG. 3 is a view showing a front side traveling unit in which the first integrated height adjusting unit is installed in the roll forming continuous molding apparatus of FIG. 2.
Figure 4 is a view showing the middle and the rear advancing the second individual height adjustment unit is installed in the roll forming continuous molding apparatus of FIG.
5 is a view showing that the interval between the upper and lower forming rolls in the middle and rear advancing portion of Figure 4 is adjusted.
6 is a view showing a first upper height adjusting member of the first integrated height adjusting unit of FIG. 3, a second upper height adjusting member of a second individual height adjusting unit of FIG. 4, and a second lower height adjusting member.
FIG. 7 is a view illustrating second driving connecting parts of the intermediate and rear advancing parts of FIG. 4.
8 is a view showing various arrangements of the upper forming roll and the lower forming roll according to the control of the second individual height adjustment unit of FIG.
FIG. 9 is a view illustrating a roll axis of the front advancing part and a roll axis of the rear advancing part of FIG. 1.
10 is a view showing that the height position sensor and the pressure sensor is installed in the continuous roll forming apparatus of FIG.
11 is a view showing that the left and right position sensors are installed between a plurality of molding stands in the roll forming continuous molding apparatus of FIG.

Hereinafter, exemplary embodiments of the present invention will be described in detail. In the reference numerals to the components of each drawing, it is noted that the same reference numerals are assigned to the same components as much as possible even though they are displayed on different drawings. In addition, in describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

1 is a perspective view and a plan view showing a roll forming continuous molding apparatus according to the present invention, Figure 2 is a side view showing a middle and rear progression in the roll forming continuous molding apparatus of FIG.

In addition, Figure 3 is a view showing the front side of the first integrated height adjustment unit installed in the roll forming continuous molding apparatus of Figure 2, Figure 4 is a middle of the second individual height adjustment unit is installed in the roll forming continuous molding apparatus of FIG. And it is a view showing the rear progression, Figure 5 is a view showing that the interval between the upper and lower forming roll in the middle and rear progression of Figure 4 is adjusted.

Referring to the drawings, the roll forming continuous molding apparatus according to the present invention includes a molding apparatus body 100, the first integrated height adjusting unit 200, and the second individual height adjusting unit 300.

Here, the molding apparatus main body 100 has a plurality of molding stand 110 having the upper forming roll 111 and the lower forming roll 112 for roll forming the material in the advancing direction of the material.

At this time, the molding stand 110 is only to be configured to form, roll forming the material while rotating the upper forming roll 111 and the lower forming roll 112 is spaced apart from each other at a predetermined interval, for the specific structure and shape It is not limited by the invention.

The upper forming roll 111 and the lower forming roll 112 of the molding apparatus body 100 as described above may be configured to be elevated.

If the gap height of the upper forming roll 111 and the lower forming roll 112 is high or low compared to the unwinding height of the material (steel sheet) released from the coil, the material quality is initially lowered, thereby reducing the material quality. In addition, if the gap height is high, the load is high due to the weight of the material and the initial progress speed of the material is slowed. If the gap height is low, the load is low due to the weight of the material and the initial speed of the material is increased. There is this.

In addition, the initial running speed of the material is different from the middle and second running speed, that is, the running speed is different from each other by the load of the forming roll, there is a disadvantage that the equipment damage occurs.

Accordingly, in order to properly maintain the input speed of the raw material and the load applied by the raw material, the gap height of the upper forming roll 111 and the lower forming roll 112 is adjusted to the same height as the uncoiled height of the steel sheet. The present invention has a structure in which the upper forming roll 111 and the lower forming roll 112 is elevated.

On the other hand, since the car body should be manufactured in consideration of the exterior design of the vehicle and the assemblability of the engine and indoor and outdoor parts, the vehicle body is manufactured and assembled in a geometric shape.

In order to manufacture the geometric shape of the vehicle body part, a method of manufacturing a three-dimensional mold by molding and pressing is generally applied, but a problem arises that it is difficult to manufacture the geometric shape by a roll forming continuous molding process. In the manufacture of parts having the same cross-sectional shape, the cross-sectional shape is constant, but there is a problem in that it is difficult to manufacture a part inclined in a straight line or a curve along the longitudinal direction.

In order to solve this problem, the present invention takes a structure in which the upper forming roll 111 and the lower forming roll 112 are elevated.

In addition, the present invention is the front advancing portion (F) that the raw material is introduced into the molding apparatus main body 100 consisting of a plurality of molding stands 110, and the intermediate and rearward progress disposed after the front advancing portion (F) The part MR is configured to be different from each other in the drive structure for elevating the upper forming roll 111 and the lower forming roll 112.

In this regard, the front advancing portion F is configured with a first integrated height adjusting unit 200, and the middle and rear advancing portions MR are configured with a second individual height adjusting unit 300.

Here, the first integrated height control unit 200 is formed by the upper molding roll 111 and the lower molding roll 112 disposed in the front advancing portion (F) where the material is introduced into the molding apparatus body 100 and proceeds. And lift together.

Alternatively, the second individual height adjustment unit 300 is the upper forming roll 111 and the lower forming roll disposed in the middle and the rear advancing portion (MR) after the front advancing portion (F) in the molding apparatus main body (100) Each of which is configured to elevate 112 independently.

In other words, the first integrated height adjusting unit 200 raises and lowers the upper forming roll 111 and the lower forming roll 112, and the second individual height adjusting unit 300 is the upper forming roll 111 and the lower portion. Each of the forming rolls 112 has a structure of elevating independently of each other.

In the front advancing part (F), which is the initial step of inputting the material, the upper forming roll 111 and the lower forming roll 112 are not largely loaded because the molding of the material is not performed much. ) And the position change of the lower forming roll (112) hardly occurs, according to the present invention, the first integrated height adjusting unit (200) is the upper forming roll (111) and the lower forming roll (112) in the front advancing part (F). It is configured to adjust the height of the), it is possible to appropriately correct the height of the upper forming roll 111 and the lower forming roll (112) together.

On the contrary, in the middle and the rear advancing portion MR after the front advancing part F, the upper forming roll 111 and the lower forming roll 112 are heavily loaded as the step of forming a lot of material, and thus the upper forming is performed. As the position change of the roll 111 and the lower forming roll 112 may be easily changed, the present invention is characterized in that the second individual height adjusting unit 300 is formed at the upper and lower forming rolls 111 at the middle and rear advancing portions MR. The height of each of the upper forming roll 111 and the lower forming roll 112 can be properly adjusted independently of each other.

Looking specifically at the structure of the present invention, the upper forming roll 111 and the lower forming roll 112 is supported by a roll support block 113 of the roll shaft, wherein the first integrated height adjustment unit 200 may be provided with a connection member and the first integrated height adjustment member (210).

Here, the connecting member connects the roll supporting block 113 of the upper forming roll 111 and the roll supporting block 113 of the lower forming roll 112, which is connected to the two roll supporting blocks 113. It is not limited to the specific shape structure only by lifting the two roll support block 113 together by connecting the. For reference, the connection member is not shown in the drawing by being disposed between the two roll support block 113.

In addition, the first integrated height adjustment member 210 is disposed above the roll support block of the upper forming roll 111 is configured to adjust the height of the roll supporting block 113 of the upper forming roll 111, such a first When the roll supporting block 113 of the upper forming roll 111 is elevated by the integrated height adjusting member 210, the roll supporting block 113 of the lower forming roll 112 connected by the connecting member is also lifted, thereby forming the upper forming. As the roll supporting block 113 of the roll 111 and the lower forming roll 112 are simultaneously elevated, the upper forming roll 111 and the lower forming roll 112 are elevated together.

In addition, the second individual height adjusting unit 300 may include a second upper height adjusting member 310 and a second lower height adjusting member 320.

Here, the second upper height adjusting member 310 is disposed above the roll supporting block 113 of the upper forming roll 111 to adjust the height of the roll supporting block 113 of the upper forming roll 111, The second lower height adjusting member 320 is disposed below the roll supporting block 113 of the lower forming roll 112 to adjust the height of the roll supporting block 113 of the lower forming roll 112. When the roll supporting block 113 of the upper forming roll 111 is elevated by the upper height adjusting member 310, the upper forming roll 111 is elevated, and the lower forming roll is formed by the second lower height adjusting member 320. When the roll supporting block 113 of 112 is lifted, the lower forming roll 112 is lifted, so that the upper forming roll 111 and the lower forming roll 112 are lifted independently of each other independently of each other.

And, each of the first integrated height adjusting member 210, the second upper height adjusting member 310, and the second lower height adjusting member 320, the height fixed worm wheel (HW), as shown in FIG. And it may be provided with a height adjustment worm shaft (HS) and the control motor (CM).

Here, the height fixed worm wheel (HW) is screwed while passing through the block shaft 113a extending in the longitudinal direction from the roll support block 113, elevating the roll support block 113 during rotation, the wheel on the outer peripheral surface The gear portion WG is formed. For reference, the height fixing worm wheel (HW) is formed with an internal thread line (IS) on the inner circumferential surface is the block shaft 113a is screwed.

In addition, the height adjustment worm shaft (HS) is disposed in the transverse direction perpendicular to the block shaft 113a, the external thread line (OS) is geared to the wheel gear portion (WG) of the height fixed worm wheel (HW) is formed on the outer peripheral surface When rotating the shaft, the height of the fixed worm wheel (HW) rotates.

In addition, the control motor (CM) is connected to the height adjustment worm shaft (HS) to provide a driving force for rotating the height adjustment worm shaft (HS).

On the other hand, the second individual height adjustment unit 300, respectively, the upper forming roll 111 and the lower forming roll 112 disposed in the intermediate and the rear side (MR) in the molding apparatus main body 100 as described above It is configured to lift independently, accordingly, as shown in Figure 8 (a) and 8 (b), the upper forming roll 111 and the lower forming roll 112 can take a variety of arrangement structure, Due to this, various geometric shapes of the body parts can be realized.

In order to manufacture the geometric shape of the vehicle body parts, a method of manufacturing a three-dimensional mold by molding and pressing is generally applied, but a problem arises in that it is difficult to manufacture the geometric shape by a roll forming continuous molding process. As in the upper forming roll 111 and the lower forming roll 112 is configured to be elevated independently of each other, it is possible to smoothly and easily manufacture the geometric shape of the vehicle body parts.

 For reference, FIG. 8 (c) shows that the upper forming roll 111 or the lower forming roll 112 is biased to one side due to the load received by the material, and is corrected by the second individual height adjusting unit 300. The upper forming roll 111 or the lower forming roll 112 can be corrected in a state parallel to the opposite forming roll.

Meanwhile, the upper forming roll 111 and the lower forming roll 112 installed in the front advancing part F are interlocked with each other by the first driving connecting part 120 having one universal joint as shown in FIG. 3. The upper forming roll 111 and the lower forming roll 112, which are connected to the axial rotation driving member 140 and disposed in the middle and rear advancing portions MR, are two different universal joints as shown in FIG. 4. Each of the second driving connecting unit 130 may be independently connected to the axial rotation driving member 140.

That is, the upper forming roll 111 and the lower forming roll 112 disposed in the middle and rear advancing portions MR are configured to control the gap as shown in FIG. 5 (a) to FIG. 5 (b). Therefore, each one is connected to the axial rotation driving member 140 by one universal joint, that is, a total of two universal joints to form a structure in which the driving force can be continuously transmitted, while the front advancing portion (F) In the upper forming roll 111 and the lower forming roll 112 is because the gap is not adjusted to each other, even when connected to the axial rotation driving member 140 by one universal joint, the driving force can be continuously transmitted.

Specifically, as shown in FIG. 3, the first driving connector 120 includes an upper roll driven gear 121, a lower roll driven gear 122, an integrated universal joint 123, and an integrated driving gear 124. It can be provided.

At this time, the upper roll driven gear 121 is axially connected to the roll shaft of the upper forming roll 111 installed in the front advancing portion (F), the lower roll driven gear 122 is a lower portion installed in the front advancing portion (F) It is axially connected to the roll shaft of the forming roll 112 and gear-engaged with the upper roll driven gear 121.

In addition, the integrated universal joint 123 is axially connected to the upper roll driven gear 121 or the lower roll driven gear 122, the integrated drive gear 124 is axially connected to the integrated universal joint 123 and the shaft rotation Drive connection with the drive member 140.

As shown in FIG. 4, the second driving connector 130 includes an upper universal joint 131, a lower universal joint 132, an upper roll driving gear 133, and a lower roll driving gear 134. can do.

In this case, the upper universal joint 131 is axially connected to the roll shaft of the upper forming roll 111 installed in the middle and rear advancing portion (MR), the lower universal joint 132 is in the middle and rear advancing portion (MR) It is axially connected to the roll shaft of the installed lower forming roll (112).

In addition, the upper roll driving gear 133 is axially connected to the upper universal joint 131, the lower roll driving gear 134 is axially connected to the lower universal joint 132, the upper roll driving gear 133 and the gear The upper roll driving gear 133 or the lower roll driving gear 134 is connected to the shaft rotation driving member 140.

Meanwhile, the shaft rotation driving member 140 may include a drive shaft 141, a chain 142, and a drive motor 143.

Here, a plurality of the drive shaft 141 is disposed in the longitudinal direction, the screw line is formed on the outer peripheral surface and the shaft gear portion is formed at the end.

In addition, the chain 142 is connected to the shaft gears formed on the opposite ends of the plurality of drive shafts 141, the drive motor 143 is connected to the drive shaft 141 of the shortest side of the plurality of drive shafts (141) It provides a driving force to axially rotate the drive shaft 141.

Furthermore, in the present invention, since the load is not greatly applied to the upper forming roll 111 and the lower forming roll 112 in the front advancing portion F, the front advancing portion F is shown in FIG. 9 (a). It is preferable that the roll shafts RS of each of the installed upper forming roll 111 and the lower forming roll 112 take a separate form inside each of the upper forming roll 111 and the lower forming roll 112.

In addition, the present invention, because the load on the upper forming roll 111 and the lower forming roll 112 in the middle and the rear advancing portion (MR) is large, as shown in Figure 9 (b) the middle and the rear advancing ( The roll shafts RS of each of the upper forming roll 111 and the lower forming roll 112 installed in the MR are preferably integrally formed in the upper forming roll 111 and the lower forming roll 112, respectively.

As described above, the present invention is the front advancing portion (F) that the raw material is introduced into the molding apparatus main body 100 consisting of a plurality of molding stands 110 and the intermediate disposed after the front advancing portion (F) And the rear advancing portion MR is configured to be different from each other in the driving structure and the roll shaft structure for elevating the upper forming roll 111 and the lower forming roll 112, thereby reducing the investment cost by simplifying the apparatus structure. This can ultimately lead to increased productivity.

FIG. 10 is a view illustrating a height position sensor and a pressure sensor installed in the roll forming continuous forming apparatus of FIG. 2, and FIG. 11 illustrates a left and right position sensor installed between a plurality of forming stands in the roll forming continuous forming apparatus of FIG. 2. Drawing.

Meanwhile, the present invention may further include a height position sensor S1 and a controller C as shown in FIG. 10.

The height of the upper forming roll 111 and the lower forming roll 112 may be changed due to the load and equipment vibration received from the material during roll forming of the material, such as the upper forming roll 111 and the lower forming roll 112. After measuring the height change of the height position sensor (S1) and the height set by the above-described first integrated height adjusting member 210, the second upper height adjusting member 310, and the second lower height adjusting member 320 Can be corrected with

Specifically, the height position sensor (S1) is installed on the upper or lower side of the upper forming roll 111 and the lower forming roll 112, to measure the height of the upper forming roll 111 and the lower forming roll (112). .

In addition, the controller C is electrically connected to the height position sensor S1, the first integrated height adjusting member 210, the second upper height adjusting member 310, and the second lower height adjusting member 320. , To control the first integrated height adjusting member 210, the second upper height adjusting member 310, and the second lower height adjusting member 320 by using the measured value of the height position sensor S1 as data. .

The present invention may further include left and right position sensors S2 and left and right driving members 400.

When the material 10 is inserted into the roll forming continuous forming apparatus as shown in Fig. 11 (a), the guide block GB and the guide roller GR are in the horizontal direction, that is, in the width direction immediately before the feeding roller SR. Although centered toward the center side, since the guide block (GB) and the guide roller (GR) is installed only in the front advancing portion (F), the material 10 is substantially rolled in a plurality of molding stand 110 arranged in multiple stages This can be done by biasing in one direction due to load and equipment vibrations received during forming.

The material 10 should be formed with both flanges 10a and 10b with the same length. However, if the material 10 is shifted to the left side, the left flange 10a is the right flange (as shown in the left view of FIG. 11 (b)). If formed longer than 10b, the material 10 is shifted to the right side, as shown in the right view of Figure 11 (b), the right flange 10b is formed longer than the left flange 10a, both flanges 10a The length of 10b is formed differently, resulting in product defects.

Accordingly, the present invention by installing a left and right position sensor (S2) between each of the plurality of molding stand 110, after measuring the left and right position of the material 10 through the left and right driving member 400, the upper forming roll ( 111 and the lower forming roll 112 is moved, and as a result, the material 10 is centered on the upper forming roll 111 and the lower forming roll 112, thereby producing a high quality molded product.

Looking at the specific structure, the left and right position sensor (S2) is installed on both sides of the traveling route between the plurality of molding stand 110, as shown in Figure 10, to measure the left and right position of the material (10).

In addition, the left and right driving member 400 has a function of moving the upper forming roll 111 and the lower forming roll 112 in the left and right directions of the material.

In this case, the left and right driving members 400 may include a shaft connecting member 410 and a left and right transfer device 420.

The shaft connecting member 410 connects the roll shaft of each of the upper forming roll 111 and the lower forming roll 112 and takes a structure having a variable length. Accordingly, the upper forming roll 111 and the lower forming roll 112 are formed. ) To move in the left and right direction together with the length, the length of the upper forming roll 111 and the lower forming roll 112 is changed when the gap is changed, the upper forming roll 111 and the lower forming roll 112 ) To maintain the connection status.

In addition, the left and right transfer device 420 is connected to the shaft connecting member 410, and has a function to move the shaft connecting member 410 in the left and right direction of the material.

At this time, the controller (C) is electrically connected to the left and right position sensor (S2) and the left and right drive member 400, and serves to control the left and right drive member 400 by using the measurement value of the left and right position sensor (S2) as data. Perform.

Furthermore, the present invention may further include a pressing force sensor (S3).

The pressing force sensor S3 is installed at the upper portion of the upper forming roll 111 and the lower portion of the lower forming roll 112 to measure the pressing force of the upper forming roll 111 and the lower forming roll 112 pressurized by the material. do.

At this time, the controller (C) is electrically connected to the pressing force sensor (S3) and the axial rotation drive member 140 for rotating the upper forming roll 111 and the lower forming roll 112, the pressure sensor (S3) of the It serves to control the shaft rotation drive member 140 by using the measured data.

That is, when the thickness of the material is different, the pressing force sensor S3 measures the rotational speed of the upper forming roll 111 and the lower forming roll 112.

Specifically, the present invention can cope with the following cases by the control of the pressure sensor (S3) and thereby the shaft rotation drive member 140 of the controller (C).

In the present invention, when the thickness of the material passing through the upper forming roll 111 and the lower forming roll 112 is slightly different, when the thickness of the material becomes thick, the upper forming roll 111 and the lower forming roll 112 By increasing the molding pressure time by lowering the rotational speed of the), it is possible to improve the molding quality of the material, the roll wear is reduced to extend the life of the upper forming roll 111 and the lower forming roll (112). Accordingly, the present invention can ultimately increase productivity by increasing a good quality molded product.

In addition, the present invention lowers the rotational speed of the upper forming roll 111 and the lower forming roll 112 when there is a foreign matter on the outer surface of the material to prevent damage of the upper forming roll 111 and the lower forming roll 112 by the foreign matter. In addition, it is possible to maintain a good molding quality by minimizing the molding of the material despite the foreign matter.

As a result, the present invention, as described above, is placed in front of the front advancing portion (F) and the front advancing portion (F) in which the raw material is introduced in the molding apparatus main body 100 consisting of a plurality of molding stands (110) The intermediate and rearward progressing portions MR are configured to be different from each other in the drive structure and the roll shaft structure for elevating the upper forming roll 111 and the lower forming roll 112, thereby reducing the investment cost by simplifying the device structure. This can ultimately lead to increased productivity.

Furthermore, in the present invention, since the second individual height adjusting unit 300 is configured such that the upper forming roll 111 and the lower forming roll 112 are independently lifted from each other, the geometric shape of the vehicle body part can be smoothly and easily manufactured. The position set by the second individual height adjustment unit 300 after the height position sensor S1 measures the position change of the upper forming roll 111 and the lower forming roll 112 due to the load received by the material. You can precisely calibrate with.

In addition, the present invention is configured by the left and right position sensor (S2) for measuring the left and right position of the material, by moving the upper forming roll 111 and the lower forming roll 112 to correspond to the change in the left and right position of the material is the upper material By forming a centered state on the forming roll 111 and the lower forming roll 112, by pressing the pressure sensor (S3) for measuring the pressing force of the upper forming roll 111 and the lower forming roll 112 for the material, By controlling the rotational pressure of the upper forming roll 111 and the lower forming roll 112 in accordance with the thickness of the control the molding pressing time, it is possible to improve the productivity by producing a high-quality molded product.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto and is intended by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

100: molding apparatus main body F: front side progression
MR: Middle and rearward part 110: Molding stand
111: upper forming roll 112: lower forming roll
113: roll support block 113a: block axis
120: first drive connecting portion 121: upper roll driven gear
122: lower roll driven gear 123: integrated universal joint
124: integrated drive gear 130: second drive connection
131: upper universal joint 132: lower universal joint
133: upper roll drive gear 134: lower roll drive gear
140: shaft rotation drive member 141: drive shaft
142: chain 143: drive motor
200: first integrated height adjusting unit 210: first integrated height adjusting member
300: second individual height adjustment unit 310: second upper height adjustment member
320: second lower height adjustment member HW: height fixed worm wheel
IS: Internal thread line WG: Wheel gear part
HS: Height adjusting worm shaft OS: External thread line
S1: Height position sensor S2: Left and right position sensor
400: left and right driving member 410: shaft connecting member
420: left and right feeder S3: pressure sensor
C: Controller GB: Guide Block
GR: Guide Roller

Claims (11)

A molding apparatus main body in which a plurality of forming stands including an upper forming roll and a lower forming roll for roll forming a material are disposed in a traveling direction of the material; A first integrated height adjusting unit for raising and lowering the upper forming roll and the lower roll disposed on the front side advancing portion into which the raw material is introduced from the forming apparatus main body; And a second individual height adjusting unit for independently lifting and lowering the upper forming roll and the lower forming roll, which are respectively disposed in the middle and rear progress portions after the front advancing portion of the molding apparatus body.
The upper forming roll and the lower forming roll are supported by a roll support block of each roll support, and the first integrated height adjusting unit connects the roll supporting block of the upper forming roll and the roll supporting block of the lower forming roll. absence; And a first integrated height adjusting member for height adjusting the roll supporting block of the upper forming roll, wherein the second individual height adjusting unit has a second upper height adjusting for adjusting the roll supporting block of the upper forming roll. absence; And a second lower height adjusting member for height adjusting the roll supporting block of the lower forming roll, wherein the first integrated height adjusting member and the second upper height adjusting member are disposed above the roll supporting block of the upper forming roll. The second lower height adjusting member is disposed below the roll supporting block of the lower forming roll,
The upper forming roll and the lower forming roll installed in the front advancing part are connected to each other by an axial rotation driving member interlocked with each other by a first driving connecting part having a universal joint, and the upper forming part disposed in the middle and rear advancing parts. The roll and the lower forming roll are independently connected to the axial rotation driving member by the second drive connecting part having two different universal joints,
The first drive connecting portion, the upper roll driven gear axially connected to the roll shaft of the upper forming roll installed in the front side advance; A lower roll driven gear axially connected to the roll shaft of the lower forming roll installed in the front advancing part and gear-engaged with the upper roll driven gear; An integrated universal joint axially connected to the upper roll driven gear or the lower roll driven gear; And an integrated drive gear axially connected to the integrated universal joint and drive-connected to the axial rotation driving member, wherein the second drive connecting portion is axially connected to the roll shafts of the upper forming rolls installed in the intermediate and rearward portions. Universal joint; A lower universal joint axially connected with the roll shaft of the lower forming roll installed in the intermediate and rearward progression portions; An upper roll drive gear axially connected to the upper universal joint; And a lower roll driving gear axially connected to the lower universal joint and gear-engaged with the upper roll driving gear, wherein the upper roll driving gear or the lower roll driving gear is drive-connected with the shaft rotation driving member. Roll forming continuous molding machine.
delete delete delete The method of claim 1,
The shaft rotation drive member,
A plurality of drive shafts disposed in the longitudinal direction, with a screw line formed on an outer circumferential surface thereof, and a shaft gear formed on an end thereof;
A chain connecting a plurality of shaft gear parts formed at opposite ends of the plurality of drive shafts; And
A driving motor connected to a driving shaft of the shortest side of the plurality of driving shafts to axially rotate the driving shaft;
Roll forming continuous molding apparatus comprising a.
The method of claim 1,
Each of the first integrated height adjusting member, the second upper height adjusting member, and the second lower height adjusting member,
A height fixed worm wheel which is screwed while the block shaft extending in the longitudinal direction from the roll support block is penetrated, and elevates the roll support block during rotation and has a wheel gear part formed on an outer circumferential surface thereof;
A height adjusting worm shaft disposed in a horizontal direction perpendicular to the block axis and having an outer thread line geared to a wheel gear of the height fixing worm wheel on an outer circumferential surface thereof to rotate the height fixing worm wheel when the shaft rotates; And
An adjusting motor connected to the height adjusting worm shaft to rotate the height adjusting worm shaft;
Roll forming continuous molding apparatus comprising a.
The method of claim 1,
The roll shaft of each of the upper forming roll and the lower forming roll installed in the front advancing portion is a separate type separated in each of the upper forming roll and the lower forming roll,
Roll forming continuous forming apparatus characterized in that the roll shaft of each of the upper forming roll and the lower forming roll installed in the middle and the rear advancing portion is an integral type which is continued inside each of the upper forming roll and the lower forming roll.
The method of claim 1
A height position sensor installed at an upper side or a lower side of the upper forming roll and the lower forming roll to measure a height of the upper forming roll and the lower forming roll; And
The first integrated height adjusting member electrically connected to the height position sensor, the first integrated height adjusting member, the second upper height adjusting member, and the second lower height adjusting member, using the measured value of the height position sensor as data; A controller for controlling the second upper height adjusting member and the second lower height adjusting member;
Roll forming continuous molding apparatus characterized in that it further comprises.
The method of claim 1,
A left and right position sensor installed on both sides of the traveling route between the plurality of molding stands, and measuring a left and right position of the material;
Left and right driving members for moving the upper and lower forming rolls to the left and right directions of the material; And
A controller electrically connected to the left and right position sensors and the left and right drive members to control the left and right drive members using data of the left and right position sensors as data;
Roll forming continuous molding apparatus characterized in that it further comprises.
The method of claim 9,
The left and right driving members,
A variable-length shaft connecting member connecting the roll shaft of each of the upper forming roll and the lower forming roll; And
A left and right conveying apparatus connected to the shaft connecting member to move the shaft connecting member in a horizontal direction of the material;
Roll forming continuous molding apparatus comprising a.
The method of claim 1,
A pressing force sensor installed at an upper portion of the upper forming roll and a lower portion of the lower forming roll to measure a pressing force of the upper forming roll and the lower forming roll pressed by the material; And
A controller electrically connected to the pressing force sensor and an axial rotation driving member for axially rotating the upper forming roll and the lower forming roll to control the axial rotation driving member by using the measured value of the pressing force sensor as data;
Roll forming continuous molding apparatus characterized in that it further comprises.

Images