KR100229130B1 - Bending device of out sheet for a refrigerator - Google Patents

Abstract

The present invention relates to a trauma bending device of a refrigerator, and in particular a base on which a conveyor is installed; A lower housing installed at an upper portion of the base; A support rod installed on an upper portion of the lower housing; An upper housing installed at an upper end of the support rod; A first jig installed in the upper housing and configured to compress and support the trauma; It is installed on the side of the first jig to be moved in conjunction with the first jig, and is installed below the operating shaft of the second cylinder to move up and down separately from the first jig to form a groove on the outer box, A second jig having a groove and a protrusion formed on the bottom surface thereof; It is installed in the lower housing opposite to the second jig, and is moved by the operating shaft of the third cylinder to contact the second jig to form a groove on the outer casing, and the groove and the protrusion of the second jig and A third jig having protrusions and recesses formed on an upper surface thereof to be in contact; After the groove is formed on the trauma by the third jig and the second jig is installed on the side of the upper housing so as to form a jaw in the inlet of the groove by pressing the end of the trauma, the operating shaft of the fourth cylinder It relates to a trauma bending device of a refrigerator consisting of a fourth jig installed through a link, and by using a jig to process grooves at both ends of the trauma, a PCM (Pre Coated Metal) can be used. It is possible to easily assemble the bottom plate to the side plate without the painting process, it is possible to further improve the productivity.

Description

Trauma Bending Device of Refrigerator

The present invention relates to a trauma bending device of a refrigerator, and more particularly, to a trauma bending device of a refrigerator for forming grooves and jaws in the side plate of the trauma so that the projections of the bottom plate are assembled below the trauma side plate of the refrigerator.

Generally, the main body of a refrigerator consists of a triple structure of the cabinet which forms the exterior of a refrigerator, the inner phase which forms the interior of a refrigerator, and the heat insulating material which foams between the said inner phase and the said cabinet, and insulates the interior of a refrigerator.

In addition, the inner phase is injection molded from a plastic material. The cabinet is made of a combination of a plurality of iron plate, the insulation is to be foamed between the inner wound and the cabinet after the inner wound and the cabinet is assembled.

On the other hand, the cabinet of the refrigerator, as shown in FIG. 1, the outer surface (1) bent in a generally "U" shape, both sides are bent at 90 degrees to be in close contact with the inner surface of the outer box (1) bending surface (2a) ) Is formed of the bottom plate (2).

That is, the bottom plate 2 is assembled to the outer box 1 by the welding 3 after the bending surface 2a of the bottom plate 2 is brought into surface contact with both inner surfaces of the outer box 1.

After the inner phase is combined in the assembled state as described above, the main body of the refrigerator is completed by foaming a heat insulating material between the inner phase and the cabinet.

However, the main body of such a conventional refrigerator cannot use PCM (Pre Coated Metal) by assembling the bottom plate and the trauma by welding, and after assembling the bottom plate and the trauma by welding with a general steel plate, Since the painting process should be performed, the manufacturing process is complicated, the manufacturing cost is increased, as well as the productivity is lowered.

The present invention has been made in view of the above-described problems, and an object of the present invention is to form a groove and a jaw in the side plate of the outer box in response to a plurality of jigs so that the base plate can be easily assembled without welding the bottom plate to the side plate. To provide a trauma bending device of the refrigerator that can improve the productivity

In order to achieve the above object, the trauma bending device of the refrigerator according to the present invention includes a trauma bending device for a refrigerator for bending the trauma of the refrigerator; A base provided with a conveyor for moving the trauma; A lower housing installed to slide left and right in an upper direction of the base; A support rod installed on an upper portion of the lower housing; An upper housing installed at an upper end of the support shelf; A first jig installed in the upper housing to compress and support the trauma and to have a lower surface formed in a flat shape so as to be moved by the operating shaft of the first cylinder; It is installed on the side of the first jig to be moved in conjunction with the first jig, and is installed on the lower side of the operating shaft of the second cylinder to move up and down separately from the first jig to form a groove on the outer box, A second jig having a groove and a protrusion formed on the bottom surface thereof; It is installed in the lower housing opposite to the second jig, and is moved by the operating shaft of the third cylinder to contact the second jig to form a groove on the trauma. A third jig having protrusions and recesses formed on an upper surface of the second jig to contact the groove and the protrusion of the second jig, and a groove is formed on the trauma by the third jig and the second jig, and then the end of the trauma is compressed to compress the groove. It is installed on the side of the upper housing so that the jaw is formed in the inlet portion, characterized in that consisting of a fourth jig provided via a link to the working shaft of the fourth cylinder.

According to the trauma bending device of the refrigerator according to the present invention, by using a jig to process grooves on both ends of the trauma, it is possible to use PCM (Pre-Coated Metal, coated iron plate), so that no separate painting process is required. Since the bottom plate can be easily assembled to the side plate, the productivity can be further improved.

1 is a perspective view showing the assembled state of the outer box and the bottom plate of the refrigerator applied to the conventional example.

Figure 2 is an exploded perspective view showing the outer and bottom plates of the refrigerator applied to the present invention in an exploded view.

Figure 3 is a front view schematically showing a trauma bending device of the refrigerator applied to the present invention.

FIG. 4 is a plan view showing the plane of FIG. 3 with the fourth jig and take-up member removed according to the present invention. FIG.

FIG. 5 is an enlarged detailed view of main parts of a trauma bending device of a refrigerator according to the present invention; FIG.

6 is a hydraulic circuit diagram for operating a jig applied to the present invention.

7 is a control block diagram of the trauma bending device of the refrigerator according to the present invention.

8 is a process chart showing the procedure of the bending method by the trauma bending device of the refrigerator applied to the present invention.

9 to 10 is a state diagram showing the bending sequence by the trauma bending device of the refrigerator adapted to the present invention,

9 is a state diagram showing a ready state of the present invention,

10 is a state diagram showing a fixed state in which the first jig of the present invention is lowered to fix the trauma.

11 is a state diagram showing a state in which the second jig of the present invention is lowered,

12 is a state diagram showing a state in which the third jig of the present invention is raised and the trauma is firstly bent,

FIG. 13 is a state diagram illustrating a state in which the second jig of the present invention is lowered and the garment is secondly bent by the second jig and the third jig.

14 is a state diagram illustrating a state in which the second jig and the third jig of the present invention are restored to their original state.

15 is a state diagram showing a state in which the trauma is thirdly bent by the fourth jig of the present invention.

* Explanation of symbols for main parts of the drawings

1: Conveyor 2: Roller

3: take-up member 4: centering member

10: base 20: first jig

21: first cylinder 22: operating shaft

30: 2nd jig 31: 2nd cylinder

32: working shaft 40: third jig

41: third cylinder 42: operating shaft

43: projection 44: recessed part

50: fourth jig 51: fourth cylinder

52: working shaft 53: link

61: lower housing 62: upper housing

70: pump 71: hydraulic pipe

72: solenoid valve 80: position variable stage

81: guide 82: screw rod

83: motor 91: sensor

100: Trauma 122: Home

123: jaw 150: bottom plate

Hereinafter, an embodiment of a trauma bending device of a refrigerator applied to the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is an exploded perspective view showing an exploded view of a refrigerator cabinet applied to the present invention.

As shown in Figure 2, the cabinet according to the present invention, the left side plate 120, the upper plate 110 and the right side plate 130 is bent approximately 90 degrees to the outer trauma 100 and the front and bottom and open A bottom plate 150 formed with a bent portion to be assembled at the bottom of the trauma 100 to form a machine room of the refrigerator, a bottom plate 151 assembled at the bottom of the bottom plate 150, and a rear surface of the trauma 100. The back plate 140 is assembled to.

In addition, a groove 111 is formed by bending the rear surface of the trauma 100, and a protrusion 141 inserted into the groove 111 is inserted into the rear plate 140 assembled to the rear surface of the trauma 100. It protrudes.

In addition, a groove 122 and a jaw 123 are formed below the side plates 120 and 130 of the outer box 100, and the bottom plate 150 opposite to the groove 122 is inserted into the groove 122. The upwardly bent protrusion 152 is formed.

That is, the protrusion 100 and the bottom plate 150 are assembled by inserting the protrusion 152 into the groove 122.

The present invention relates to a trauma bending device of a refrigerator capable of easily bending the grooves 122 and the jaws 123 of the trauma 100.

FIG. 3 is a front view schematically showing a trauma bending device of a refrigerator applied to the present invention, and FIG. 4 is a plan view showing the plane of FIG. 3 with the fourth jig and the take-up member removed according to the present invention. FIG. 5 is an enlarged detailed view of main parts of an external bending device of a refrigerator applied to the present invention, FIG. 5 is a hydraulic circuit diagram for operating a jig applied to the present invention, and FIG. 7 is a view of the refrigerator applied to the present invention. Control block diagram of the trauma bending device.

As shown in FIG. 3, the trauma bending device of the refrigerator according to the present invention includes a base 10 supporting the trauma 100 before being 'U' bent, and the trauma supported by the base 10. A first jig 20 mounted on an upper portion of the base 10 so as to support 100, a second jig 30 mounted on a right side of the first jig 20, and lifted; A third jig 40 mounted to be elevated on a lower side of the second jig 30 so as to contact the jig 20 to form the groove 122, the third jig 40 and the second jig; The fourth jig 50 is installed on the side of the second jig 30 so as to form the jaw 123 in the lower portion of the groove 122 formed by the jig 30.

In addition. The base 10 is formed in a rectangular frame shape, the base 10 is provided with a conveyor (1) for moving the trauma (100), the conveyor (1) is installed in a plurality of lines, A plurality of rollers 2 of the base 10 are installed to rotate the conveyor 1.

Moreover, the take-up member 3 which can adjust the tension degree of the said conveyor 1 is provided in the right side of the said base 10.

In addition, a centering member 4 that can adjust the center of the trauma 100 is generally installed at the center of the base 10.

In addition, the lower housing 61 is installed on the upper portion of the base 10 so as to slide in the left and right directions, a support rod 63 is installed on the upper portion of the lower housing 61, and an upper portion of the upper end of the support rod 63. The housing 62 is provided.

In addition, a first cylinder 21 is fixed to the upper housing 62, and a first jig having a flat surface when the outer cylinder 100 is fixed to the working shaft 22 of the first cylinder 21 is fixed. 20 is provided.

That is, the upper housing 62 is installed so that the first jig 20 having a flat surface when the outer box 100 is compressed and fixed to the operating shaft 22 of the first cylinder 21. have.

In addition. On the side surface of the first jig 20, a second jig 30 which is moved in conjunction with the first jig 20 and moved to form a groove 122 in the outer box 100 is installed. .

That is, the second jig 30 is installed on the side surface of the first jig 20 so as to be moved in cooperation with the first jig 20, and at the same time, a groove 122 is formed in the outer box 100. The grooves 33 and the protrusions 34 are formed on the lower side of the operating shaft 32 of the second cylinder 31 so as to vertically move apart from the first jig 20.

In addition, the lower portion opposed to the second jig 30 is moved to contact the second jig 30 to compress the trauma 100 to form a groove 122 in the trauma 100 by pressing Three jigs 40 are provided.

That is, the third jig 40 is installed in the lower housing 61 opposite to the second jig 30, and contacts the second jig 30 to form a groove 122 in the trauma 100. And a projection 43 on the upper surface of the second cylinder 30 so as to be in contact with the groove 33 and the protrusion 34 of the second jig 30. The concave indentation 44 is formed.

On the other hand, on the side surface of the upper housing 62, after forming the groove 122 in the trauma 100 by the third jig 40 and the second jig 30, the end of the trauma 100 The fourth jig 50 is installed to form the jaw 123 in the inlet portion of the groove 122 by compressing.

That is, the fourth jig 50 is formed by the third jig 40 and the second jig 30 to form a groove 122 in the trauma 100 and then crimp the end of the trauma 100. Thus, the jaw 123 is formed at the inlet of the groove 122 so that the link shaft 53 is provided on the operating shaft 52 of the fourth cylinder 51 provided at the side of the upper housing 62. .

On the other hand, the lower portion of the base 10 is provided with a position variable stage 80 for moving the lower housing 61 in the left and right directions so as to adjust the bending portion of the trauma 100.

That is, the position variable stage 80 is guided to the lower portion of the lower housing 61 and the guide 81 to guide the movement in the left and right direction, the lower housing 61 is guided to the The lower housing 61 generates power so as to move in the left and right directions, and the motor 83 installed on one side of the base 10 and the lower portion so that the power of the motor 83 is transmitted to the lower housing 61. Screwed to the housing 61 is rotated and consists of a screw rod (82) installed inside the base (10). In addition, a lower portion of the lower housing 61 is formed with a threaded hole through which the screw rod 82 penetrates so that the lower housing 61 is moved in the left and right directions by the rotation direction of the screw rod 82. do.

On the other hand, the first, 2.3, 4 jig 20, 30, 40, 50 is operated by the hydraulic pressure will be described with reference to FIG. The first, second, third and fourth cylinders 21, 31, 41 and 51 which operate the first, second, third and fourth jigs 20, 30, 40 and 50 are hydraulic pipes. It is connected to the pump 70 for pumping oil through the 71, a plurality of solenoid valve 72 is installed in the middle of the hydraulic pipe 71 to control the flow of oil to the first, second, third , 4 jig 20, 30, 40, 50 is to control the operation.

7 is a block diagram for controlling the operation of the trauma bending device of the refrigerator according to the present invention. As shown therein, the controller 90 may detect a sensor 91 that detects that the trauma 100 is located at an initial reference position, and detect the initial reference position of the trauma 100 at the sensor 91. In this case, in order to selectively operate the first, second, third, and fourth jigs 20, 30, 40, and 50, oil is generated by pumping oil, and a pump 70 connected to the plurality of solenoid valves 72. And the position is electrically connected to a motor 83 that generates power to operate the variable stage 80.

That is, the controller 90 detects the sensor 91 when the trauma 100 is located at the initial position, and the pump 70 is operated by the detection of the sensor 91 and a plurality of solenoids. The valve 72 is selectively opened and closed to operate the first, second, third, and fourth jigs 20, 30, 40, and 50 so that the grooves 122 and the jaws 123 in the trauma 100. Will form. In addition, the control unit 90 operates the motor 83 of the position variable stage 80 to move the lower housing 61 in accordance with the specification of the trauma 100 to adjust the bending position of the trauma 100. Will be adjusted.

Next, the operation process of the trauma bending device of the refrigerator according to the present invention configured as described above will be described in detail with reference to FIGS. 8 to 15.

FIG. 8 is a process chart showing a procedure of a bending method by a trauma bending device of a refrigerator according to the present invention, FIG. 9 is a state diagram showing a ready state of the present invention, and FIG. 10 is a first jig of the present invention descending. FIG. 11 is a state diagram showing a state in which the second jig of the present invention is lowered, and FIG. 12 is a state diagram in which the third jig of the present invention is raised and the trauma is firstly bent. FIG. 13 is a state diagram showing a state in which the second jig of the present invention is lowered and a second bending is performed by the second jig and the third jig, and FIG. 14 is a second jig of the present invention. FIG. 15 is a state diagram showing a state in which the third jig is restored to its original state, and FIG. 15 is a state diagram showing a third bending state of the trauma by the fourth jig of the present invention.

First, as shown in FIG. 9, the trauma 100 that is not 'U' bent is positioned at a reference position. That is, when the trauma 100 is moved to the reference position by the conveyor 1, the sensor 91 detects this and stops the movement of the trauma 100. In addition, when the trauma 100 is located at the reference position, the position where the trauma 100 is bent by the centering member 4 is adjusted.

In addition, when the trauma 100 is adjusted to the bending position, the first jig 20 is lowered by the operating shaft 22 of the first cylinder 21 as shown in FIG. As the jig 20 compresses the trauma 100, the trauma 100 is fixedly supported. At this time, the second jig 30 and the fourth jig 50 provided on the side surface of the first jig 20 are also lowered in cooperation with the first jig 20.

In addition, when the trauma 100 is fixedly supported by the first jig 20, the second jig 30 provided on the side surface of the first jig 20 is formed as shown in FIG. It is first lowered by the operating shaft 32 of the two cylinders 31.

In addition, after the second jig 30 is first lowered, as shown in FIG. 12, the third jig 40 is raised to raise the side surface of the third jig 40 and the first jig. 20 is in contact with the trauma 100 so that the first jig 20, the second jig 30 and the third jig 40 by the right angle bending and inclined bending. (1st bending stage)

That is, in the first bending step, the third jig 40 is raised so that one side of the third jig 40 contacts one side of the first jig 20 so that the trauma 100 is perpendicularly bent. At the same time, the end of the trauma 100 is to be bent inclined by the second jig (30).

In addition, after the first bending step is performed, as shown in FIG. 13, the second jig 30 is lowered to have a lower surface of the second jig 30 and an upper surface of the third jig 40. By this contact, the trauma 100 positioned between the second jig 30 and the third jig 40 is secondly bent. (2nd Bending Step)

That is, in the second bending step, the second jig 30 is lowered so that the bottom surface of the second jig 30 comes into contact with the top surface of the third jig 40 so that the grooves of the second jig 30 ( 33 and the protrusion 34 and the projection 43 and the concave portion 44 of the third jig 40 is to form a groove 122 in the outer shell (100).

In addition, after the groove 122 is formed in the secondary bending step, the second jig 30 is raised and the third jig 40 is lowered as shown in FIG. Is performed. (First Return Step)

In addition, after the second and third jigs 30 and 40 are raised and lowered, the fourth jig 50 is rotated clockwise by the fourth cylinder 51 as shown in FIG. 15. Then, the end of the trauma 100 is pressed to form the jaw 123 at the inlet of the groove 122. (3rd Bending Step)

At this time, the width of the inlet portion of the groove 122 is preferably formed to be approximately 1mm.

Next, the first jig 20 and the fourth jig 50 is returned to its original state so that the bending of the trauma 100 is completed.

On the other hand, the trauma bending device of the refrigerator according to the present invention can be bent both ends of the various kinds of the trauma (100). This is because when the trauma 100 having a different length is supplied, the position varying means 80 is operated to set a proper position at which the trauma 100 can be bent.

Thus, the trauma bending device of the refrigerator according to the present invention can use a PCM (Pre Coated Metal, coated iron plate) by forming grooves and jaws using a plurality of jigs in a state where the trauma 100 is fixed. Therefore, no separate coating process is required as in the prior art.

In addition, since the groove 122 and the jaw 123 are formed at the end of the trauma 100, the trauma 100 and the bottom plate 150 can be easily assembled without welding, thereby improving productivity.

As described above, according to the external wound bending apparatus of the refrigerator according to the present invention, by using a jig to process grooves on both ends of the external wound, PCM (Pre Coated Metal, coated iron plate) can be used, which requires a separate painting process. It is possible to easily assemble the bottom plate to the side plate, which is a very excellent effect that can further improve the productivity.

Claims (4)

In the trauma bending device of the refrigerator for bending the trauma (100) of the refrigerator; A base 10 provided with a conveyor 1 for moving the trauma 100; A lower housing 61 installed to slide left and right in an upper direction of the base 10; A support rod (63) installed on an upper portion of the lower housing (61); An upper housing 62 installed at an upper end of the support rod 63; The first jig 20 is installed in the upper housing 62 to compress and support the outer box 100, the lower surface is formed in a flat plane so as to be moved by the operating shaft 22 of the first cylinder 21. )Wow; It is installed on the side of the first jig 20 so as to be moved in cooperation with the first jig 20, and separately from the first jig 20 to form a groove 122 in the outer box (100). It is installed in the lower portion of the operating shaft 32 of the second cylinder 31 to move up and down, the lower surface of the second jig 30 is formed with a groove 33 and the protrusion 34, and the second jig 30 It is installed in the lower housing 61 opposite, by the operating shaft 42 of the third cylinder 41 to contact the second jig 30 to form a groove 122 in the outer box (100) A third jig 40 which is moved up and down and has protrusions 43 and recesses 44 formed on an upper surface thereof in contact with the grooves 33 and the protrusions 34 of the second jig 30; After the grooves 122 are formed in the trauma 100 by the third jig 40 and the second jig 30, the end portions of the trauma 100 are compressed to have a jaw at the inlet of the groove 122. It is installed on the side of the upper housing 620 so that the 123 is formed, characterized in that consisting of the fourth jig 50 is installed via the link 53 to the operating shaft 52 of the fourth cylinder (51) Trauma bending device of refrigerator. The apparatus of claim 1, wherein the fourth jig 50 is installed and rotated through the link 53 on the operating shaft 52 of the fourth cylinder 51. . According to claim 1, wherein the lower portion of the base 10, the position variable stage 80 for moving the lower housing 61 to the left and right to adjust the bending portion of the trauma 100 is installed Trauma bending device of the refrigerator. According to claim 3, The position variable stage (80), The guide 81 is installed in the lower portion of the lower housing 61 so as to guide the lower housing 61 in the left and right direction, and the guide 81 It is guided to generate the power to move the lower housing 61 in the left and right direction and the motor 83 installed in the base 10 and the power of the motor 83 is transmitted to the lower housing 61. Trauma bending device of the refrigerator, characterized in that consisting of a screw rod (82) installed inside the base (10) is rotated by being screwed to the lower housing (61).