KR100660608B1 - TV display frame forming machine and TV display frame forming mathod - Google Patents

Abstract

The present invention is a cutting mold for cutting the rolled coil; A bending mold for bending the cross section of the rolled coil to form a crimped reserve line; A compression mold for pressing the rolled coil; A surface forming mold for forming a surface of the rolled coil; A press for driving the cutting mold, the bending mold, the pressing mold, and the surface forming mold in one stroke; A transfer device for transferring each mold to each next mold and the finished product accommodating part; A roll feeder for feeding the rolled coil by a length predetermined to the cutting mold for one stroke of the press; The present invention relates to a TV display frame bar forming apparatus, characterized in that cutting, bending, pressing, and forming of a TV display frame bar are simultaneously performed in a single press mold stroke.

The present invention reduces the setting effort, eliminates the loss of the rolling coil in the setting process, the process of attaching the protective tape before processing is unnecessary, reducing the production error of the product, there is no distortion of bending angle, There is an advantage that a TV display frame bar forming apparatus that can be produced is provided.

Description

TV display frame forming machine and TV display frame forming method {TV display frame forming machine and TV display frame forming mathod}

1 is a side structure diagram of a TV display frame bar forming apparatus according to the present invention

2 is a front structural diagram of a TV display frame bar forming apparatus according to the present invention

3 is a plan view of a mold of a TV display frame bar forming apparatus according to the present invention;

Figure 4 is a product production process of the TV display frame bar forming apparatus according to the present invention

5 is a flowchart of a method for forming a TV display frame bar according to the present invention.

Figure 6 is a perspective view of a TV display frame bar produced by the present invention

7 is a perspective view of a TV display frame completed by bending the TV display frame bar produced by the present invention

8 is a block diagram of a conventional TV display frame bar roll forming machine

* Explanation of symbols on main parts of drawings *

100: press 110: cutting mold

120: bending mold 125: preliminary crimping line

130: pressing mold 140: surface molding mold

150: accommodating part 200: transfer device

210: coupling jig 220: transfer means

310: rolled coil 300: roll feed machine

370: junction

The present invention relates to a TV display frame bar forming apparatus, comprising: a cutting mold for cutting a predetermined length when a rolling coil is transferred along a longitudinal direction from an outside thereof; A bending mold installed parallel to the cutting mold and receiving a rolling coil cut from the cutting mold to bend a width cross section of the rolling coil to form an acute crimping reserve line along a longitudinal direction of the rolling coil; When the rolling coil is installed in parallel to the bending mold and the rolling coil is formed in the bending mold is transferred, the rolling coil is compressed to form a rolling coil whose width is folded by the acute pressing crimping line. Molds; A surface forming mold which is installed in parallel with the pressing mold and forms the rolled coil as a TV display frame bar by performing necessary surface shaping such as strength and perforation on the surface of the rolling coil formed by the pressing mold; A press for receiving the cutting mold, the bending mold, the pressing mold, and the surface forming mold and simultaneously driving them in one stroke; A joint jig formed in parallel to be coupled to the rolled coils of the respective molds in one stroke, and each rolled coil processed in the cutting mold, the bending mold, the pressing mold, the surface forming mold with respect to one stroke of the press, and the next mold and A transfer device for transferring the finished product storage unit; A roll feeder for feeding the rolled coil by a length predetermined to the cutting mold for one stroke of the press; The present invention relates to a TV display frame bar forming apparatus, characterized in that cutting, bending, pressing, and forming of a TV display frame bar are simultaneously performed in a single press mold stroke.

In general, a TV display frame is an outer frame for mounting a brown tube of a TV as shown in FIG. 6, and has a frame forming bar (TV display frame bar in the present invention) having a predetermined strength as shown in FIG. 7. It is folded into a square to form a frame.

The frame forming bar is completed by double pressing according to the necessary design criteria, and the double pressing molding is required to have high precision in the design criteria.

In the related art, the TV display frame bar has a rolling coil 40 wound around the drum 30 through a roll forming machine 10 that is generally extended and installed as shown in FIG. 8 in order to meet the design criteria. While conveying, bending and pressing process, the compressed rolling coil is cut by the final cutting press 20 to complete.

Because the frame forming bar is about 2M in length due to the enlarged size of the TV display, production maintenance and management is possible only by performing a continuous work of forming the rolling coil immediately while unwinding from the drum.

That is, in the prior art method, the frame forming bar was formed by the roll forming machine while continuously supplying a rolled coil to the roll forming machine directly from the drum.

The roll forming machine continuously arranges rolls whose angles are adjusted according to the design in a long extending die, and runs rolling coils therebetween, and the rolling coils are pressurized by the rolls while traveling between the rolls so that the appearance of the rolling coils is increased. It is a device to be formed.

However, according to the prior art method, the installation length of the roll forming machine is too long to limit the installation site, the loss of the rolling coil due to the continuity of the conveying process of the forming process by the roll and the discontinuity of the press process for cutting There is a serious problem.

In addition, by setting the roll forming machine to fine-tune each roll so that the TV display frame bar is molded, it is difficult to set it unless it is an expert, the bending angle is inaccurate, excessive management cost, and loss of rolling coil during the setting process. There is a problem of being excessive.

In addition, since the gas is generated on the surface of the product by the force pressurized on the roll during transfer by the roll, the product value is reduced.In order to prevent this, a protective tape before processing is attached to the surface of the rolling coil, and a process of peeling it after processing There is a problem that it is necessary to realize the additional cost and effort.

In addition, there is a case that the work must be stopped due to the roll change or angle change during work, and the work must be stopped.The working time is long due to the continuous process (about 15 seconds per production), There is a problem in that the stress is left, the distortion occurs, the material loss is severe for the preparation of production, such as adjusting the roll.

The present invention provides a TV display frame bar forming apparatus that minimizes the difference between the continuity of the transfer process that is formed by the roll and the discontinuity of the press process for cutting in order to solve the above problems. It aims to do it.

In addition, by eliminating unnecessary setting work when setting a new line or setting a new model, it is possible to provide a TV display frame bar forming apparatus that reduces setting effort, setting management cost, setting manpower, and eliminates rolling coil loss during the setting process. The purpose.

In addition, an object of the present invention is to provide a TV display frame bar forming apparatus that attaches a protective tape to a surface of a rolled coil, which is essential in the prior art, and removes a process of peeling it after processing.

And it aims to provide the TV display frame bar shaping | molding apparatus which reduces the production error of a product and enables sophisticated production.

In order to achieve the above object, a TV display frame bar forming apparatus, comprising: a cutting mold for cutting a predetermined length when a rolling coil is transported in a longitudinal direction from the outside; A bending mold installed parallel to the cutting mold and receiving a rolling coil cut from the cutting mold to bend a width cross section of the rolling coil to form an acute crimping reserve line along a longitudinal direction of the rolling coil; When the rolling coil is installed parallel to the bending mold and the crimped preliminary line is formed in the bending mold, the rolled coil is compressed to form a rolled coil whose width is folded by the acute crimping preliminary line. Pressing mold; A surface forming mold which is installed in parallel with the pressing mold and forms the rolled coil as a TV display frame bar by performing necessary surface shaping such as strength and perforation on the surface of the rolling coil formed by the pressing mold; A press for receiving the cutting mold, the bending mold, the pressing mold, and the surface forming mold and simultaneously driving them in one stroke; A coupling jig formed in parallel to be coupled to the rolled coils of the respective molds in one stroke, and each rolled coil processed in the cutting mold, the bending mold, the pressing mold, the surface forming mold with respect to one stroke of the press, and the next mold and A transfer device for transferring the finished product storage unit; A roll feeder for feeding the rolled coil by a length predetermined to the cutting mold for one stroke of the press; As a technical gist of a TV display frame bar forming apparatus, characterized in that cutting, bending, pressing, and forming of a TV display frame bar are simultaneously performed in a single press mold stroke.

The surface forming mold may include a surface mold for forming a force on the surface of the TV display frame bar and perforating a hole; Preferably, the TV display frame bar is divided into a joint forming mold for molding a joint, which is a part which is in contact with each other, when the TV display frame bar is folded into a square.

The present invention also provides a TV display frame bar forming method comprising: a roll feeding step of transferring a rolled coil to a cutting mold discretely by a length necessary for forming one TV display frame; A cutting step of cutting the rolled coil by a required length by being transferred from the roll feeding step; A bending step of receiving the rolled coil cut in the cutting step, bending the portion to be folded along the longitudinal direction to form a preliminary compression line; A pressing step of completely compressing the bent portion when the bent rolling coil is transferred in the bending step; A surface forming step of performing a surface processing such as perforation, force shaping and the like on the surface of the rolled coil compressed in the pressing step; TV display frame bar forming method, characterized in that the implementation is another technical gist.

Hereinafter, the present invention will be described with reference to the accompanying drawings. In the following description, detailed descriptions of related well-known technologies or configurations will be omitted when it is determined that the subject matter of the present invention may unnecessarily obscure the subject matter of the present invention. .

The terms to be described below are terms defined in consideration of functions in the present invention, and may be changed according to intentions or customs of users or operators, and the definitions should be made based on the contents throughout the specification for describing the present invention.

1 is a side structure diagram of a TV display frame bar forming apparatus according to the present invention, Figure 2 is a front structure diagram of a TV display frame bar forming apparatus according to the present invention, Figure 3 is a TV display frame bar forming apparatus according to the present invention 4 is a plan view of a mold, and FIG. 4 is a production process diagram of a TV display frame bar forming apparatus according to the present invention, FIG. 5 is a flowchart of a TV display frame bar forming method according to the present invention, and FIG. 6 is produced by the present invention. 7 is a perspective view of a TV display frame bar which is completed by bending a TV display frame bar produced by the present invention, and FIG. 8 is a structure diagram of a TV display frame bar roll forming machine according to the related art.

Hereinafter, the present invention will be described with reference to the accompanying drawings. In the following description, detailed descriptions of related well-known technologies or configurations will be omitted when it is determined that the subject matter of the present invention may unnecessarily obscure the subject matter of the present invention. .

The terms to be described below are terms defined in consideration of functions in the present invention, and may be changed according to intentions or customs of users or operators, and the definitions should be made based on the contents throughout the specification for describing the present invention.

As shown in the figure, the present invention is a surface-divided mold or mounted in parallel to the press 100, the cutting mold 110 and the bending mold 120, the pressing mold 130 and the surface It consists of a molding mold 140 is a TV display frame bar forming apparatus, characterized in that the cutting, bending, pressing, surface forming stroke of the rolling coil 310 is carried out simultaneously in a one-press mold stroke.

In addition, the present invention further includes a conveying apparatus 200 which performs one conveying stroke per one press stroke in order to simultaneously carry out each of the above strokes in one press mold stroke.

The transfer device 200 will be composed of a coupling jig 210 coupled to the rolling coil 310, a horizontal and vertical transfer means 220 and a control means (not shown), such as in a press die in general As a well-known technique, a conveying apparatus includes a robot arm, an adsorption jig, and the like, which are inserted between the press rows and then transfer each rolled coil to a mold in the next row while being transported along the trajectory between strokes. According to the present invention, there are a chain, a link section, and the like, and various embodiments such as a motor and a cylinder can be found as the power source.

According to the present invention, as shown in FIGS. 2 to 3, the press mold is divided into parts or the molds are mounted in parallel, and each mold has an independent mold in each press surface.

The reason why the surface-division or parallel mount is meaningful is that as shown in FIGS. 3 and 6, each of the molds of the present invention cuts the rolled coil 310 having a longer length (about 2M) than the width of the mold (hereinafter, referred to below). In this description, the bars of the rolled coils cut by the cutting mold are all described as rolled coils.

The cutting mold 110 of the present invention is a mold mounted in the first row of the press 100.

The cutting mold 110 is a mold for cutting the rolled coil 310 to a predetermined length when the rolled coil 310 is transferred into the mold along the longitudinal direction by the roll feeder 300 from the outside of the mold.

The predetermined length will be the frame length of the TV display frame bar to be completed by the present invention, and is a length determined by the design specifications of the TV display frame.

The roll feeder 300 is a device for supplying the rolled coil 310 to the cutting mold 110, the rolling coil 310 of a predetermined length is linked to one stroke of the press 100 discretely Is carried out.

Therefore, the present invention can be seen that the discrete one-stroke driving is performed from the drive of the roll feeder 300.

On the other hand, the TV display frame bar to be completed in the present invention is to squeeze a portion of the width of the rolling coil 310, as shown in Figure 4 to secure the strength of the frame bar.

The bending mold 120 of the present invention is a metal mold for forming a preliminary crimping line 125 for the crimp by bending the rolled coil 310 acutely along the longitudinal direction for the crimping of the rolled coil 310.

In detail, the bending mold 120 of the present invention is mounted on the second row of the press 100, and the bending mold 120 is rolled by receiving the rolling coil 310 cut from the cutting mold 110. The mold is formed such that the cross section of the coil 310 forms an acute angle.

The pressing mold 130 of the present invention is mounted in the third row of the press 100.

The crimping mold 130 is bent in the bending mold 120 when the rolled coil 310, the preliminary crimping line 125 is formed, is transferred, compressing the bent portion to partially width of the rolled coil 310 Molded into a folded form.

The surface forming mold 140 of the present invention is installed in parallel to the pressing mold 130 and by performing the necessary surface molding, such as force, through the surface of the rolling coil 310 formed in the pressing mold 130 The rolled coil 310 is formed directly on the TV display frame.

The surface forming mold 140 may be designed as one or more molds according to the needs of surface forming, and the present invention is not necessarily limited to one mold.

That is, if necessary, the surface forming mold 140 mounted side by side in the fourth row and the fifth row of the press 100 is installed, and in the fourth row, the design specifications of the TV display frame are provided on the surface of the rolling coil 310. Surface molds for performing the included surface processing, for example, punching, force forming, etc. are formed, and in the fifth row, the parts contacted when the TV display frame bars are folded into a square to form a display frame as shown in FIG. 7. It will be possible to form a junction molding die for molding the phosphorus junction 370.

Each of the cutting mold 110, the bending mold 120, the pressing mold 130 and the surface forming mold 140 of the present invention described above are driven simultaneously by one stroke by a press, and transported as shown in FIG. The rolling coil 310 formed in each row by the apparatus has a transfer stroke, which is transferred to a mold in the next row, by one transfer stroke per stroke of the press.

Therefore, the first rolled coil 310 is sequentially cut, bent, pressed, and surface-molded, and as shown in FIG. 2, the final finished product is accommodated in the accommodating part 150 by the transfer device 200. In order to receive the receiving part 150 in the next row of the surface forming mold 140.

The transfer device 200 of the present invention is formed in parallel to the coupling jig 210 so as to be coupled to the rolling coil 310 of each mold at the same time for one transfer stroke.

In addition, the coupling jig 210 is coupled to each rolling coil 310 processed in each mold for one stroke of the press, and each next by the conveying means 220 consisting of a horizontal conveying device and a vertical conveying device. The respective rolled coils are transferred to a mold and a finished product accommodating part, and then separated.

To this end, the transfer means 220 and a control means (not shown) for driving control thereof should be provided in the present invention. In the press process, such a transfer means 220 is known in the art, and its types are also very diverse. And since the present invention is not limited to any one of the known transport means, a detailed description thereof will be omitted, and the embodiment will be given.

An embodiment of the coupling jig 210 includes a suction jig or a robot hand that is suction-coupled to a rolling coil on the mold splitting surface of each row by the control of the control means, and a latch that is vertically transferred by a cylinder.

The conveying means 220 constituted by the horizontal conveying device and the vertical conveying device is a device for horizontally conveying the coupling jig between molds. For example, a cylinder or robot arm, a chain, a line, etc. connected to the coupling jig 210 may be used. .

The transfer means 220 transfers the coupling jig 210 between the upper and lower molds of the present invention once per press stroke, and transfers the rolling coil 310 to the molds in the next row in each row of molds. Is carried out.

The control means (not shown), when one stroke of the press is carried out, giving a drive control command to the transfer means to transfer the coupling jig 210 between the upper and lower molds, the rolling jig of each row by the coupling jig Is transferred to the mold dividing surface of each next row, and the frame bar for the TV display completed on the mold dividing surface of the fourth row is controlled so that a transfer stroke for discharging to the outside of the mold is performed.

Referring to the embodiment of the present invention described above with reference to FIG. 4, the apparatus of the present invention is a surface forming for forming the final frame for a TV display following a cutting step, a bending step, and a pressing step of cutting the rolled coil 310 using a mold. It provides a method carried out in steps.

In the roll feeding step of the present invention, the rolled coil 310 is externally transferred to the cutting mold 110 by a length necessary for forming one TV display frame.

The roll feeding step is performed by the roll feeder 300 and has a feature of discretely feeding a unit length for one press stroke.

That is, the supply of the discrete rolling coil 310, not the supply of the continuous rolling coil 310 of the prior art method is carried out, and is the start step of forming the discrete TV display frame bar which is the biggest feature of the present invention.

The cutting step of the present invention is a step of cutting the rolled coil 310 by the required length is transferred in the roll feeding step using the cutting mold (110).

The cutting stroke for cutting the rolled coil 310 is performed by one press stroke.

The bending step of the present invention is a step of forming the transfer means 220 in advance by bending the portion to be folded along the longitudinal direction by receiving the rolled coil 310 cut in the cutting step.

The crimping step of the present invention is a step of completely crimping along the preliminary crimping line 125 when the rolled coil 310 bent in the bending step is transferred.

The surface forming step of the present invention is a step of performing a surface processing such as perforating the surface of the rolling coil 310 pressed in the pressing step, forming a force.

Each step of the present invention is a step of processing the rolling coil sequentially transferred by the transfer device to produce a TV display frame bar that is finally finished surface processing.

The TV display frame bar forming method, unlike the conventional roll forming method, provides a TV display frame bar forming method by pressing, so that the installation area thereof is reduced in the size of the press and the area required to drive the press.

Therefore, the apparatus and method of the present invention require a greatly reduced installation area compared to the installation area occupied by the roll forming machine of the prior art.

In addition, when the rolled coil is transferred to the cutting mold of the present invention by a transfer device, it is cut by one press process and automatically transferred to the next mold process by the transfer device, and the rolled coil is cut and bent by a continuous process. By pressing, one frame bar for a TV display is produced per press process.

According to the present invention, since the pressing coil is transferred to a predetermined mold as described above and is formed by a press process, unlike the conventional method, setting work before line start is minimized.

In addition, since there is no concern about the surface of the product because it is pressed, the work of attaching the protective tape to the rolled coil is omitted.

And since the product to be produced is determined by the mold, the desired precision can be obtained by using a precision mold.

In addition, the transfer of the rolling coil and the forming of the rolling coil are separated, so that there is no material loss that is generated when the rolling coil is cut unlike the prior art method.

The drawings depicted for the purposes of the present invention are one embodiment to embody the present invention, and as shown in the drawings, it can be seen that various forms of combinations are possible to realize the subject matter of the present invention.

Therefore, the present invention is not limited to the illustrated embodiment, and various changes can be made by those skilled in the art without departing from the gist of the present invention as claimed in the following claims. It will be said that the technical spirit of this invention is to the extent possible.

According to the present invention as described above, the installation place is more free than in the prior art method, and the TV display frame bar forming apparatus minimizes the difference between the continuity of the transfer process in which the forming is performed by the roll and the discontinuity of the press process for cutting. There is an advantage provided.

In addition, there is no need for setting work when setting a new line or setting a new model, which reduces setting effort, setting management cost, and setting manpower, and provides a TV display frame bar forming apparatus that eliminates rolling coil loss during the setting process. have.

In addition, there is an advantage that there is provided a TV display frame bar forming apparatus that attaches a protective tape before processing to the surface of the rolled coil, which was essential in the prior art, and does not require a process of peeling it after processing.

In addition, the production error of the product is reduced, the working time is shortened (about 5 seconds per production), there is no distortion of the bending angle, there is an advantage that the TV display frame bar forming apparatus capable of precise production is provided.

Claims (3)

In the TV display frame bar forming apparatus, A cutting mold for cutting a predetermined length when the rolled coil is transported along the length direction from the outside; A bending mold installed parallel to the cutting mold and receiving a rolling coil cut from the cutting mold to bend a width cross section of the rolling coil to form an acute crimping reserve line along a longitudinal direction of the rolling coil; When the rolling coil is installed in parallel to the bending mold and the rolling coil is formed in the bending mold is transferred, the rolling coil is compressed to form a rolling coil whose width is folded by the acute pressing crimping line. Molds; A surface forming mold which is installed in parallel with the pressing mold and forms the rolled coil as a TV display frame bar by performing necessary surface shaping such as strength and perforation on the surface of the rolling coil formed by the pressing mold; A press for receiving the cutting mold, the bending mold, the pressing mold, and the surface forming mold and simultaneously driving them in one stroke; A coupling jig formed in parallel to be coupled to the rolled coils of the respective molds in one stroke, and each rolled coil processed in the cutting mold, the bending mold, the pressing mold, the surface forming mold with respect to one stroke of the press, and the next mold and A transfer device for transferring the finished product storage unit; A roll feeder for feeding the rolled coil by a length predetermined to the cutting mold for one stroke of the press; Composed TV display frame bar forming apparatus characterized in that the cutting, bending, pressing and molding of the TV display frame bar at the same time by the press mold stroke. According to claim 1, wherein the surface forming mold In particular, the surface mold for forming a force on the surface of the TV display frame bar, and punctures the through hole; As a joint forming mold for folding the TV display frame bar into a square to form a joint portion which is a part which is in contact with each other when being molded into a display frame. TV display frame bar forming apparatus, characterized in that the distinction. In the TV display frame bar molding method, 1. Roll feeding step of transferring the rolled coil to the cutting mold discretely by the length necessary for forming one TV display frame from the outside; 2. A cutting step of cutting the rolled coil by the required length is conveyed in the roll feeding step; 3. A bending step of receiving the rolled coil cut in the cutting step, bending the portion to be folded along the longitudinal direction to form a preliminary compression line; 4. When the bent rolling coil is transferred in the bending step, the pressing step of completely crimping the bent portion; 5. The surface forming step of performing a surface processing, such as perforation, force shaping, to the surface of the rolling coil pressed in the pressing step; TV display frame bar molding method, characterized in that carried out.

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