KR102108636B1 - An Apparatus for Securing a Lid of a Rotation Hinge Automatically - Google Patents

Abstract

The present invention relates to a device for automatically fixing a cover of a rotating hinge, and specifically, a cover of a rotating hinge capable of automatically fixing a cover of a rotating hinge to a body in an assembly process of a rotating hinge installed on a door of a household appliance such as a refrigerator It relates to a fixing device. The automatic cover fixing device for the rotating hinge includes a fixing jig 12 having a fixing groove 122 for fixing the rotating hinge HC; A working arm 11 that moves a vertical screw from the upper side of the fixing jig 12 to the fixing screw to the cover of the rotating hinge HC; And screw supply means for continuously supplying a fixed screw to the working arm 11.

Description

An Apparatus for Securing a Lid of a Rotation Hinge Automatically}

The present invention relates to a device for automatically fixing a cover of a rotating hinge, and specifically, a cover of a rotating hinge capable of automatically fixing a cover of a rotating hinge to a body in an assembly process of a rotating hinge installed on a door of a household appliance such as a refrigerator It relates to a fixing device.

Opening and closing doors may be applied to household appliances such as refrigerators or various types of storage or storage devices, and the opening and closing doors may be operated in a rotating manner. In addition, a rotating hinge may be applied to rotate the door. In the process of opening and closing the door, various types of grease may be injected into the inside of the rotating hinge to prevent noise caused by rotation of the rotating hinge or to operate smoothly. Patent Publication No. 10-2011-0050814 discloses a hinge device capable of adjusting the closing force and closing speed. Also, Patent Publication No. 10-2016-0033805 is a hinge torsion bar durability test device that can be installed inside a car's trunk room to help the hinge torsion bar open under the same conditions as actual use conditions. Disclosed. In the assembly process of the rotating hinge, lubricant is injected into the body and filled, and then the cover must be combined to be sealed. The cover may be coupled to the body by, for example, four screws or fixing bolts. It is advantageous that the rotating hinge is made in a large quantity and can be put into the assembly process of the refrigerator, and the combination of the cover is automatically made to reduce the defect rate or improve productivity. However, the prior art does not disclose such an automatic process.

The present invention is to solve the problems of the prior art has the following purposes.

Prior Art 1: Patent Publication No. 10-2011-0050814 (Sejin Industrial Co., Ltd., published on May 17, 2011) Hinged device Prior Art 2: Patent Publication No. 10-2016-0033805 (Daewon Steel Industry Co., Ltd., released on March 29, 2016) Hinged Torsion Bar Endurance Test Device

An object of the present invention is to provide an automatic cover fixing device for a rotating hinge capable of automatically coupling a cover to a body of a rotating hinge applied to an opening and closing door.

According to a preferred embodiment of the present invention, the automatic fixing device for the cover of the rotating hinge includes: a fixing jig having a fixing groove for fixing the rotating hinge; A working arm that moves up and down from the top of the fixing jig to engage the fixing screw to the cover of the rotating hinge; And screw supply means for continuously supplying a fixed screw to the working arm.

According to another suitable embodiment of the invention, the working arm comprises a reference tab; A pair of grip units disposed on both sides of the reference tab to fix the fixing screws to be coupled to a predetermined position of the rotating hinge; And a pair of supply cylinders supplying a fixed screw to the pair of grip units.

According to another suitable embodiment of the present invention, the supply means comprises: at least one supply block formed on the movement guide; And a hollow tube-shaped induction tube for supplying a fixed screw supplied through the supply block to the working arm.

The automatic fixing device for the cover of the rotating hinge according to the present invention allows the productivity to be improved by automatically coupling the cover to the rotating hinge after injection of lubricant is completed. In addition, the automatic fixing device according to the present invention enables automation of the entire assembly process of the rotating hinge.

1 is a view showing an embodiment of an automatic fixing device for a cover of a rotating hinge according to the present invention.
Figure 2 shows an embodiment of the operation of the automatic fixing device according to the present invention.
3 shows an embodiment of a structure in which a fixing screw is supplied in an automatic fixing device according to the present invention.

The present invention will be described in detail below with reference to the embodiments presented in the accompanying drawings, but the embodiments are intended for a clear understanding of the present invention and the present invention is not limited thereto. In the following description, components having the same reference numerals in different drawings have similar functions, and are not described repeatedly unless necessary for understanding of the invention, and well-known components are briefly described or omitted, but the present invention It should not be understood as being excluded from the embodiment.

1 is a view showing an embodiment of an automatic fixing device for a cover of a rotating hinge according to the present invention.

Referring to Figure 1, the cover of the rotating hinge automatic fixing device is a fixing jig 12 is formed with a fixing groove 122 for fixing the rotating hinge (HC); A working arm 11 that moves a vertical screw from the upper side of the fixing jig 12 to the fixing screw to the cover of the rotating hinge HC; And screw supply means for continuously supplying a fixed screw to the working arm 11.

The rotating hinge (HC) may have a coupling leg of a flat shape extending in a direction parallel to the plane at the lower portion while becoming a cylinder shape as a whole. The rotating hinge HC may be installed on, for example, a door of the refrigerator, and may have a function of automatically or manually closing the door after the door is opened at a predetermined angle. The rotating hinge HC can be supplied through a conveyor unit, for example, after the lubricant is injected into the inside of the hinge body, the rotating hinge HC can be moved to the automatic cover fixing device. In addition, a cover for sealing may be temporarily coupled to the top of the hinge body, and the cover may be temporarily or automatically coupled to the top of the hinge body. In addition, at least one fixing screw is coupled to the cover by the automatic cover fixing device so that the cover can be firmly coupled to the hinge body.

The fixing jig 12 may have a cylindrical shape, a pillar, or a similar shape as a whole, and is formed on the jig body 121 and the jig body 121 on which the lower surface is fixed to the transfer frame 13 or a similar process frame. It may be made of a fixing groove 122 to ensure that the rotating hinge (HC) is fixed. The rotating hinge (HC) to which the cover is coupled may be fixed to the fixing groove 122, for example, the fixing groove 122 may be a vertical groove shape in which a part is cut along the height direction of the jig body 121. have. The fixing groove 122 may be made of various shapes in which the rotating hinge HC can be inserted and fixed from the outside, and is not limited to the presented embodiment. When the rotating hinge HC is fixed to the fixing jig 12, at least one fixing screw is coupled to the cover from the top of the cover by the working arm 11, so that the cover can be securely fixed to the hinge body. The actuating arm 11 can be actuated by actuating means such as a motor, actuating cylinder, gear or similar power transmission means disposed inside the protective frame 16. The operation arm 11 can be operated to be movable up and down relative to the fixing jig 12 by an operating means, and can also be rotated to firmly engage the fixing screw to the cover. The working arm 11 includes a cylinder or polygonal arm body 111 extending in a vertical direction; A coupling hand 112 coupled to the lower end of the arm body 111; And it may be made of a rotating block 113 coupled to the upper arm body (111). The operation arm 11 can be moved up and down by an operation means such as an up and down movement cylinder, which is disposed inside the protective frame. The fixing screw may be fixed to the coupling hand 112, and the arm body 111 may be moved downward to be coupled to the coupling hole formed in the cover. Thereafter, the rotation block 113 is rotated by a driving means such as a motor so that the fixing screw can be coupled to the cover. The actuating arm 11 can be operated in a variety of ways to couple the fixing screw to the cover and is not limited to the presented embodiment.

A plate-shaped fixing plate 14 may be coupled to the transfer frame 13, and the fixing plate 14 may have a function of a balancing block to maintain a horizontal state. In addition, a vertical block 15 extending in the vertical direction may be disposed on the fixing plate 14. The vertical block 15 may have a hexahedral shape with a wide front and rear and narrow sides, and a protective frame 16 and a working arm 11 may be disposed on the front surface of the vertical block 15. And the supply means for supply of the fixing screw may be arranged at the rear of the vertical block (15).

The automatic cover fixing device may have various arrangement structures and is not limited to the presented embodiments.

Figure 2 shows an embodiment of the operation of the automatic fixing device according to the present invention.

The working arm 11 includes a reference tab 23; A pair of grip units 21a and 21b disposed on both sides of the reference tab 23 to fix the fixing screws to be coupled to a predetermined position of the rotating hinge HC; And a pair of supply cylinders 24a and 24b for supplying a fixing screw to the pair of grip units 21a and 21b.

When the rotating hinge HC is fixed to the fixing jig 12 in a state where the cover is temporarily engaged, the working arm 11 may be located above the fixing jig 12. The operation arm 11 may be moved downward by the operation of the rotating block 113, and a fixing screw may be fixed to each of the pair of grip units 21a, 21b. A triangular plate-shaped reference block 22 may extend in a downward direction toward the lower center of the arm body 111, and a pair of grip units 21a and 21b may be coupled to both sides of the reference block 22. . Each of the grip units 21a and 21b may have a structure capable of fixing the fixing screw or releasing the fixing state. For example, each grip unit 21a, 21b may have a clamp block movable in a direction facing each other. The reference tab 23 may be formed on the reference block 22, and the reference tab 23 may be coupled to a fixing hole formed in the cover, or may have a structure capable of applying pressure to an upper portion of the cover. A pair of supply cylinders 24a and 24b may be disposed above the arm body 111 and fixed screws may be supplied through the supply cylinders 24a and 24b. The supply cylinders 24a, 24b may have a hollow cylinder shape, and a flow path may be formed therein. The supply cylinders 24a and 24b may be formed to be connected to the inside of the arm body 111, and a fixed screw may be supplied to the pair of grip units 21a and 21b through an induction path. One end of the supply cylinders 24a, 24b may be connected to the supply block 25, and the supply block 25 may be connected to the screw guide 27. A screw transport path may be formed in the screw guide 27, and a fixed screw may be moved along the transport path to be supplied to the respective grip units 21a and 21b via the supply cylinders 24a and 24b. As shown in (b) of FIG. 2, by the rotation of the rotation block 113, the working arm 11 is moved downward along the moving axis 26 to the cover of the pair of grip units 21a 21b. Can be accessed. And the fixed screw is located in the fixed hole formed in the cover, the working arm 11 is rotated, the fixed screw is coupled to the cover, and then the fixed arm is moved upwards, as shown in (a) of FIG. Can be. A plurality of fixing holes may be formed in the cover, and at least one fixing screw may be coupled to the cover in one operation. For example, two fixing screws can be supplied simultaneously to a pair of grip units 21a, 21b. And the number of fixing screws supplied through at least one supply cylinder (24a, 24b) can be appropriately adjusted, and four supply cylinders (24a, 24b) can be formed on both sides of the arm body (111). It is not limited. And the fixing screw can be supplied by a supply means formed on the back of the vertical block (15).

3 shows an embodiment of a structure in which a fixing screw is supplied in an automatic fixing device according to the present invention.

3, the supply means includes at least one supply block (323a, 323b) formed on the movement guide (322); And hollow tube-shaped guide tubes 361 and 362 for supplying the fixing screws supplied through the supply blocks 323a and 323b to the working arm 11.

The fixing screw may be supplied from the supply hopper 31 in which the induction path 313 is formed, and the induction path 313 may be formed on the inner surface of the hopper 31 in a spiral shape. The fixed screws guided along the guide path 313 may be aligned in a line to be transported in an aligned form along the alignment guide 312. A first supply block 323a may be formed at an end portion of the alignment guide 312, and a tunnel-shaped guide path in which one fixing screw may be moved may be formed in the first supply block 323a. The stationary screw may be moved along the transfer guide block 32 while passing through the first supply block 323a. The transfer guide block 32 includes a rod-shaped transfer guide body 321 having a rectangular cross section extending linearly; And it may include a movement guide 322 formed on the upper surface of the transfer guide body 321, the movement guide 322 may be made of an L-shape. A second supply block 323b having the same or similar shape to the first supply block 323a may be disposed at the end of the movement guide 322, and the fixing screws passing through the second supply block 323b may in turn As can be supplied to the induction cylinder 34. A tunnel-shaped supply path 341 and 342 having an open top surface on the induction cylinder 34 may be formed, and the supply paths 341 and 342 may be a groove shape having a height, and the coupler 33 It can be coupled to the transfer induction block (32). For example, the induction cylinder 34 may be coupled by the coupler 33 to extend in a direction perpendicular to the direction of extension of the transport induction block 32. In the supply path 342, the fixed screws may be moved by air pressure, and the number of fixed screws moved along the supply path 342 supplied by the detection unit including the counter unit may be detected. The relative position of the induction cylinder 34 relative to the transport induction block 32 can be adjusted by the adjustment unit 331, and the induction tubes 361 and 362 can be connected to one end of the supply path 342. Specifically, the pressure regulating connectors 351 and 352 may be connected to the end of the supply path 342, and the hollow tube-shaped induction tubes 361 and 361 may be connected to the supply path 342. The fixed screws supplied through the supply path 342 may alternately supply the fixed screws to each of the induction tubes 361 and 362, whereby the number of supplies can be detected while the fixed screws supplied are detected. A suction or propulsion force is applied to each of the induction tubes 361 and 362 so that the fixing screw can be moved along the induction tubes 361 and 362 to be supplied to the supply cylinder described above. The induction tube 361, 362 or the transport induction block 32 may be formed in various structures and is not limited to the presented embodiments.

The automatic fixing device for the cover of the rotating hinge according to the present invention allows the productivity to be improved by automatically coupling the cover to the rotating hinge after injection of lubricant is completed. In addition, the automatic fixing device according to the present invention enables automation of the entire assembly process of the rotating hinge.

The present invention has been described in detail with reference to the presented embodiments, but those skilled in the art will be able to make various modifications and modified inventions without departing from the technical spirit of the present invention with reference to the presented embodiments. . The present invention is not limited by such modified and modified inventions, but is limited by the appended claims.

11: Working arm 12: Fixed jig
13: Transfer frame 14: Fixing plate
15: vertical block 16: protection frame
21a, 21b: Grip unit 22: Reference block
23: Reference tabs 24a :, 24b: supply cylinder
25: supply block 26: moving axis
27: screw guide 31: supply hopper
32: feed induction block 33: coupler
34: induction cylinder 111: arm body
112: combined hand 113: rotating block
121: jig body 122: fixing groove
312: alignment guide 313: guided path
321: transfer induction body 322: moving guide
323a, 323b: supply block 331: adjustment unit
341, 342: supply path 351, 352: pressure regulating connector
361, 362: induction tube HC: rotating hinge

Claims (3)

A fixing jig 12 having a fixing groove 122 for fixing the rotating hinge HC;
A working arm 11 that moves a vertical screw from the upper side of the fixing jig 12 to the fixing screw to the cover of the rotating hinge HC; And
It comprises a screw supply means for continuously supplying a fixed screw to the working arm (11),
The working arm 11 includes a reference tab 23 having a structure coupled to a fixing hole formed in the cover or applying pressure to an upper portion of the cover; A pair of grip units 21a and 21b disposed on both sides of the reference tab 23 to fix the fixing screws to be coupled to a predetermined position of the rotating hinge HC; And a pair of supply cylinders 24a and 24b for supplying a fixed screw to the pair of grip units 21a and 21b,
The fixing groove 122 is rotated, characterized in that it has a vertical groove shape that is partially cut along the height direction of the jig body 121 of the fixing jig 12 so that the rotating hinge HC can be inserted and fixed from the outside. Automatic hinges for the cover of the hinge. delete The method of claim 1, wherein the supply means comprises: at least one supply block (323a, 323b) formed on the movement guide (322); And a hollow hinged induction tube (361, 362) for supplying the fixing screws supplied via the supply blocks (323a, 323b) to the working arm (11).

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