KR100832699B1 - A method for manufacturing a washer support - Google Patents

Abstract

A method for manufacturing a holder of a washer is provided to reduce a manufacturing cost by cutting a C shaped first frame from a planar base metal. A method for manufacturing a holder of a washer comprises the steps of: integrally marking two side surface units(120,130) and a back surface unit(110) on a planar base metal(101) and marking an assembling hole(102) at the back surface unit; marking upper bent units(111,121,131) and lower bent units(112,122,132) at an upper part and a lower part of the two side surface units and the back surface unit respectively, and forming V groove(103) between each of bent unit; marking engaging holes(141,142,143,144) at two parts of the two side surface units and the lower bent units; cutting the marked two side surface units, the back surface unit, the assembling hole, and engaging holes from the planar base metal; flattening a front surface unit and marking an upper bent unit and a lower bent unit at an upper and a lower part of the front surface unit, and marking side surface welding units at two sides; cutting the front surface unit form the base metal; bending each bent unit and a boundary region between the back surface unit and the side surface units, and forming a first frame with C shape by welding an edge of the bent units; forming a second frame by bending each of bent units and side surface welding units of the front surface unit; and welding the first frame with the second frame.

Description

A method for manufacturing a washer support}

1 is a perspective view showing a pedestal produced by the production method of the present invention,

Figure 2 is a perspective view of the washing machine assembled to the base of Figure 1,

3 and 4 are a partial rear view of FIG. 2,

5 is an exploded view illustrating a method of manufacturing a first frame;

FIG. 6 is a perspective view of the first frame cut and bent from FIG. 5; FIG.

7 is a developed view illustrating a method of manufacturing a second frame;

FIG. 8 is a perspective view of the second frame cut and bent from FIG. 7; FIG.

9 is a plan view of a state in which the first and second frames are welded;

10 is a cross-sectional view showing the base portion;

11 is a perspective view showing the assembly of the guide rail for guiding the drawer.

<Explanation of symbols for main parts of drawing>

100 ... First frame 110 ... Rear part

120, 130 ... side 200 ... second frame (front)

The present invention relates to a manufacturing method of a washing machine pedestal, in particular, by producing a rectangular frame pedestal frame by dividing the pedestal into two of the first and second frame can reduce the number of manufacturing work and the number of manufacturing parts and use the metal base material economically It relates to a manufacturing method of a washing machine stand.

In general, a washing machine is divided into a vertical washing machine in which an injection hole is formed in an upper surface of a main body, and a drum washing machine in which an injection hole is formed in a side surface of a washing machine main body.

In the case of a drum washing machine, since the input hole is formed in the side part, users have been inconvenient in use by bending the waist and entering the laundry into the input hole.

To this end, a washing machine pedestal for allowing a user to conveniently use the washing machine at a predetermined height is used.

The present invention has a technical problem to provide a method for manufacturing a washing machine stand that can be easily manufactured while reducing the number of parts of the washing machine stand and save the production cost.

In addition, there is a technical problem to provide a manufacturing method of the washing machine stand to simplify the assembly of the nut to adjust the height of the base.

In addition, there is a technical problem to provide a manufacturing method of the washing machine stand to determine the welding position of the guide rail support bracket for guiding the drawer in advance.

In the present invention to achieve the above object, in the manufacturing method of the washing machine pedestal in the form of a rectangular frame as the front and rear, and both sides and the rear portion is formed into the drawer,

1) marking the both sides and the rear portion in one piece as a development view on a flat metal base material, and marking the assembly holes in the rear portion;

2) marking an upper bent portion and a lower bent portion at the upper and lower portions of the both side and rear portions, respectively, in the marking step, and marking a “V” groove between each bent portion;

3) marking the assembling hole in which the nut is screwed to the male screw portion of the support port formed with a male screw portion on both sides of the lower bent portion in the marking step of step 2);

4) cutting the marked both side portions, the back portion, the assembling hole and the assembling hole from the metal base material;

5) The front part is marked by developing the front part separately from the developed view of the both side parts and the rear part marked on the metal base material, and the upper and lower parts are respectively marked at the upper and lower ends of the front part, and the side welds are marked on both sides. Making a step;

6) cutting the marked front part from the metal base material;

7) bending the cut portions of both sides and the rear portion by 90 degrees, bending the boundary portion between the rear portion and the side portion, and welding the edges of the bending portions forming the “V” grooves to form a “c” shape. Forming a first frame;

8) bending each cut and side welded portion of the cut front part to form a second frame;

9) welding the second frame to the first frame bent in the "c" shape in steps 7) and 8).

In addition, the manufacturing method of the present invention is to form a small diameter portion coupled to the assembly hole on the lower surface of the nut, the small diameter portion is bonded to the assembly hole and then welding to fix each lower bent portion,

The washing machine support has a fixed guide rail for guiding the moving guide rail fixed to the side of the drawer and a bracket for fixing the fixed guide rail,

Forming a coupling groove on the inner side of the both side portion, it is characterized in that the step of welding by inserting the bracket in the coupling groove.

Hereinafter, a manufacturing method of the washing machine stand of the present invention will be described in detail with reference to the illustrated drawings.

1 and 2, the washing machine pedestal applied to the manufacturing method of the present invention supports the drum washing machine 30 having the door 35 formed on the side thereof to be positioned at a predetermined height from the floor.

The drum washing machine 30 is mounted on the support block 60 installed in the upper corners of the pedestal, and then fastens and fixes the bottom of the pedestal and the drum washing machine 30 with the fixing bolt 70.

At this time, the two fixing bolts 70 located in the front of the four fixing bolts 70 is assembled through the doorway 205 through which the drawer 50 enters and exits, and the two fixing bolts 70 located at the rear are Hands are assembled through the assembly holes 102.

As shown in FIG. 2, the movement guide rails 55 are fixed to both sides of the drawer 50, and the fixing guide rails 180 (see FIG. 11) are fixed to both sides of the pedestal.

The movable guide rail 55 is moved to the fixed guide rail 180 by sliding, so that the drawer 50 can be smoothly opened and closed.

In FIG. 1, reference numeral 51 denotes a partition wall for dividing an inner space of the drawer 50.

In FIG. 7 and FIG. 8, reference numeral 206 is an inner bent portion, so that the contact area with the lower surface portion of the drawer 50 can be expanded to be stably supported.

5 and 7, dotted lines indicate bending portions, that is, bending portions.

In the manufacturing method of the present invention, the washing machine pedestal, as shown in Figure 9, the rear portion 110 and both side portions 120, 130 are integrated into a first frame 100 and bent in a "c" shape and the entrance ( The second frame 200 forming the front portion formed with the 205 is welded to each other to have a rectangular frame structure.

As described above, a manufacturing method for manufacturing a washing machine pedestal having a rectangular frame shape as the front part, the both side parts 120 and 130, and the rear part 110 in which the drawer 50 enters and exits 205 is as follows.

1) As shown in Figure 5, the flat metal base material 101, the two side parts 120, 130 and the rear part 110 is integrally marked as a development view. At this time, the assembling hole 102 is also marked.

2) In the marking step, the upper and lower portions 111, 121, 131 and the lower portions 112, 122, and 132 of the upper and lower portions of the both side portions 120, 130 and the rear portion 110, respectively. Marking), but to mark the "V" groove 103 is formed between each bent portion.

3) the assembling hole of the support nut 160 (see FIGS. 3, 4 and 10) assembling nut 150 at both sides of the lower bent portions 122 and 132 of the both side portions 120 and 130 in the marking step. Mark (141 to 144).

4) The developed view is cut from the marked side surfaces 120 and 130 and the rear surface 110 as shown in FIG. 6 from the metal base material 101 to form a first frame 100.

5) apart from the developed view of the both side portions 120 and 130 and the rear portion 110 marked on the metal base material 101 to develop and mark the front portion as shown in FIG. The part 201 and the lower bent part 202 are marked, and the side weld parts 203 and 204 are marked on both sides.

6) As shown in FIG. 8, the marked front part is cut from the metal base 10 to form a second frame 200.

7) As shown in FIG. 6, the bent portions of the cut both side portions 120 and 130 and the rear portion 110 are bent by 90 degrees, and the boundary between the rear portion 110 and the side portions 120 and 130 is separated. After bending, the edges of the bent portion forming the “V” grooves 103 are welded to form a “c” shaped first frame 100.

8) As shown in FIG. 8, the bent parts 201 and 202 and the side weld parts 203 and 204 of the cut front part 200 are bent to form the second frame 200.

9) As shown in FIG. 9, the second frame 200 is welded to the first frame 100 bent in a "c" shape. That is, the side weld parts 203 and 204 of the second frame 200 are welded to end portions of both side parts 120 and 130 of the first frame 100.

As shown in FIGS. 1 and 2, after the edges of the bending portions forming the “V” grooves 103 are welded to each other to form the “c” shaped first frame 100, the welded portions are polished. Remove the weld bead and finish it smoothly.

On the other hand, a small diameter portion 151 is formed on the lower surface of the nut 150 to be coupled to the assembly holes 141 to 144, and the small diameter portion 151 is joined to the assembly holes 141 to 144, and then welded to each lower portion. It is fixed to the bent portions 122 and 132.

In addition, the coupling groove 125 is formed on the inner side surfaces of the both side parts 120 and 130, and the bracket 170 is inserted into the coupling groove 125 to be welded.

The coupling groove 125 may be formed by melting the metal base material 101, and may be formed by heating the metal base material 101 to a high temperature and hitting it with pressure.

In this way, after the first frame 100 and the second frame 200 having a “c” shape are welded to form a rectangular frame pedestal, the assembly holes 102 are covered as shown in FIGS. 3 and 4. Cover 42 to be coupled.

As described above, the method for manufacturing the pedestal enables the manufacture of a rectangular frame pedestal by welding the first frame 100 and the second frame 200 having a “c” shape, thereby reducing the number of parts of the pedestal. In addition, accordingly it can be produced easily.

In addition, by forming the assembly hole 102 in the rear portion 110, when assembling the drum washing machine with the fixing bolt 70 at the four corners of the pedestal, it is convenient to assemble the two fixing bolts 70 located at the rear. Let's do it.
In addition, by cutting out the integrated first frame 100 from the metal base material 101 to reduce the waste of the metal base material to reduce the manufacturing cost.

In addition, since the small diameter portion 51 is formed on the nut 150 to adjust the height of the support hole 160 to fix the welding state in a state in which the nut 150 is coupled to the assembly hole 141, the welding operation is convenient, thereby simplifying the manufacturing operation.

In addition, the welding operation is convenient by forming the coupling groove 125 in the side portions 120 and 130 so as to determine the welding position of the guide rail 180 support bracket 170 for guiding the drawer 50 in advance. Simplify the production work.

Claims (2)

In the manufacturing method of the washing machine pedestal in the form of a rectangular frame as the front and rear sides and the rear side and the front and rear openings, 1) marking both side portions 120 and 130 and the rear portion 110 in a flat shape on the flat metal base material 101, and marking the assembling holes 102 in the rear portion 110; 2) In the marking step, the upper and lower portions 111, 121, 131 and the lower portions 112, 122, and 132 of the upper and lower portions of the both side portions 120, 130 and the rear portion 110, respectively. Marking), but marking such that a “V” groove 103 is formed between each bent portion; 3) In the marking step of the step 2) of the base 160 to support the washing machine pedestal on both sides of the lower bent portion 122, 132 of the side surface portion 120, 130, the male screw portion 161 is formed; Marking assembly holes 141 to 144 to which the nut 150 to which the male screw 161 is screwed is coupled; 4) cutting the marked side surfaces (120) (130), the rear surface (110), the assembling holes (102) and the assembling holes (141 to 144) from the metal base material (101); 5) the front part is developed by marking separately from the developed view of the both side parts 120 and 130 and the rear part 110 marked on the metal base material 101, respectively, the upper bent part of the upper part and the lower part of the front part ( Marking 201) and the lower bent portion 202 and marking the side weld portions 203 and 204 on both sides thereof; 6) cutting the front part marked from the metal base material 101; 7) bending the cut portions of the cut both side portions 120 and 130 and the rear portion 110 by 90 degrees, and bending the boundary portion between the rear portion 110 and the side portions 120 and 130, Welding the edges of the bent portions forming the V ″ grooves 103 to form a “c” shaped first frame 100; 8) bending the bent portions 201, 202 and side weld portions 203, 204 of the cut front part 200 to form a second frame 200; 9) welding the second frame (200) to the first frame (100) bent in the "c" shape in steps 7) and 8). The method of claim 1, wherein a small diameter portion 151 is formed on the bottom surface of the nut 150 to be coupled to the assembly holes 141 to 144, and the small diameter portion 151 is coupled to the assembly holes 141 to 144. Welding and fixing the lower bent portions 122 and 132 to each other; The washing machine stand has a fixing guide rail 180 for guiding the moving guide rail 55 fixed to the side of the drawer 50 and a bracket 170 for fixing the fixing guide rail 180. Forming the coupling groove 125 on the inner surface of the both side portions 120, 130, and inserting the bracket 170 in the coupling groove 125 to weld further characterized in that the How to make.

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