KR20140121535A - Caulking device for hinge pin - Google Patents

Abstract

The present invention relates to a hinge assembly device fixed on a refrigerator body to open and close a refrigerator door and, more specifically, to a caulking device for coupling a hinge pin fixed on a hinge body of a lower hinge to serve as a rotary shaft of a refrigerator door to the hinge body, wherein the lower hinge corresponding to an upper hinge fixed on the refrigerator door is fixed in one side of a refrigerator body. The caulking device for a hinge pin according to the present invention comprises: a pressing part connected to a pressing cylinder to transmit pressing force, and fixed on a fixed member; a transfer part having a vertical jig to allow a lift for supporting the pressing force applied to the hinge pin right under a punch to be vertically moved; and a mounting part for providing a guide space in which a caulking operation is performed while the transfer part moves back and forth in a predetermined space.

Description

[0001] CAKING DEVICE FOR HINGE PIN [0002]

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a calking device for coupling a hinge pin that provides a function of a rotating shaft fixed to a hinge body of a hinge device provided to support rotation of a refrigerator door when opening and closing.

The storage space provided in the refrigerator body prevents the cool air from leaking to the outside by the door, thereby improving the efficiency of the refrigerator while maintaining a temperature difference with the outside. When the door is opened for use of the storage space, The lower hinge supporting the entire load of the refrigerator door and fixing the rotary door to the hinge main body through a pressing process, A hinge pin for providing the center of rotation is manufactured by fixing by a caulking process.

In order to perform such a caulking process, a caulking process tool is installed in a press, and an operator inserts the hinge body in succession to the insertion of the hinge pin and operates the press to complete the caulking process. However, in order to improve the worker fatigue and workability, The caulking process was automatically progressed while the hinge pin and the hinge main body were being inserted in the caulking apparatus to be used.

However, in the caulking apparatus using the index table, the caulking jig for accommodating the hinge pin and the lower hinge must be manufactured in a quantity corresponding to the rotation period of the index table. When the index table is divided into 60 degrees in consideration of the processing time, A caulking jig portion is required, resulting in an increase in manufacturing cost and cost due to operation and maintenance.

In addition, since the hinge device is provided on both doors of the refrigerator, it is divided into a left type and a right type so that the individual processes are performed. As a result, an increase in the caulking process time causes not only a decrease in productivity but also an excessive consumption of energy.

It is an object of the present invention to solve the above-mentioned problems, and it is an object of the present invention to provide a cushioning method and a cushioning method, It is an object of the present invention to provide a hinge pin caulking device capable of reducing the cost required for installation and maintenance by simplification and improving productivity and economy.

According to an aspect of the present invention, there is provided a hinge pin caulking apparatus comprising: a lower member facing a lower portion of a lower member to which a pressurizing cylinder is fixed; And a punch mounted on a fixing member which is connected to the pressurizing cylinder and transmits a pressure input. The pneumatic device according to claim 1, further comprising: And a space for providing a vertical movement space of the platform for raising the hinge pin to a predetermined position at which the hinge pin can be caulked is provided at a lower portion of the worktable provided with the transfer groove for providing the transfer groove, A mounting portion including a pedestal, and an inclined surface provided as a means for vertically moving the platform And a vertical jig and a horizontal jig provided for loading the hinge pin inserted into the transport groove into the transporting platform, wherein the transporting unit includes a vertical jig and a horizontal jig provided in the transporting cylinder in a movement space formed by fixing the lower member and the support, So that it can be moved back and forth.

In the hinge pin calking device as described above, since the unit process is completed in accordance with one linear reciprocating motion and the continuous caulking operation is performed in a repetitive linear reciprocating motion, the working distance can be shortened and two or more simultaneous caulking can be performed, .

In addition, the hinge body and the hinge pin are caught in the seating part while the transfer cylinder is returned, and are waiting to be taken out. When the transfer cylinder is advanced, the platform is raised and the loaded hinge pin is placed in the hinge main body When the hinge body is inserted into the caulking position while pushing the hinge pin fixed to the hinge body, the hinge body is caulked with the hinge body by the pressurizing cylinder, and at the same time, It is economically advantageous because it reduces equipment manufacturing cost and maintenance cost.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a view showing a configuration of a hinge pin caulking apparatus according to a conventional index table; FIG.
2 is a view showing a configuration of a hinge pin calking apparatus according to an embodiment of the present invention.
FIG. 3 is a partial cross-sectional view for explaining a step of inserting a hinge pin. FIG.
4 is a partial cross-sectional view for explaining a hinge pin loading process;
5 is a partial cross-sectional view for explaining a caulking process;

2 is a perspective view showing the overall structure of a hinge pin caulking apparatus according to the present invention.

As shown in the figure, the hinge pin calking apparatus according to the present embodiment includes a hinge body 40 and a hinge pin 30 which are provided for fixing the pressing cylinder 10, The members 110 are fixed at both ends so as to be spaced apart from each other in parallel with the lower member 120 by the side members 130 having a length equal to the interval for securing the space required for the vertical movement for the calking operation, (100), and a work space in which front and rear sides are opened is formed.

The upper member 110 of the frame 100 is connected to the pressure cylinder 10 which is fixed to the lower member 120 and is operated in the direction of the lower member 120, A guide member 220 is provided on one surface of the pressing cylinder 110 so that the punch 11 mounted on the lower surface of the lower member 120 can be precisely hit by a minimum flow, Are symmetrically mounted at positions one by one from the center of the axis of the pressing portion 200 to constitute the pressing portion 200.

The punch 11 is extended from the punch 11 of the work table 310 to be seated while keeping the hinge body 40 in an equilibrium state necessary for the caulking operation while being spaced apart from the punch 11 by a height necessary for the caulking operation The injection hole 311 having the same shape as the take-out hole 313 is provided at a predetermined interval in the direction of opening of the frame 100 in the take-out hole 313 passing through the center line in the same manner as the sectional shape of the hinge pin 30, A groove is formed in the space between the take-out hole 313 and the insertion hole 311 so as to penetrate to the end of the take-out hole 311 in order to provide a passage through which the hinge pin 30 can move, A surface formed in the direction of the upper member 110 of the pedestal 320 having a structure that is opened and closed in the same direction as the direction in which the frame 100 is opened while being fixed to the lower member 120 is engaged, 312) is formed on the upper surface of the seat part 300.

The pedestal 320 is vertically extended from the both ends of the surface formed toward the upper member 110 by a predetermined length to the lower member 120 and has the same shape as the center line of the take- And a pedestal 440 for supporting the press input of the punch 11 is provided at all times in the receiving hole 321 formed while passing through the punch 11. [

A transfer cylinder 450 is provided in the frame 100 to provide a driving means necessary for supplying the hinge pin 30 by advancing and returning to the other opened side fixed to the opened end of the lower member 120, The pedestal 320 is in contact with the lower member 120 in the same direction as the direction in which the frame 100 is opened by being fixed to the lower member 120, The pressure surface 411 formed so as to be spaced apart by the length of the hinge pin 30 and the air surface 413 are gently connected to the inclined surface 412 having a predetermined inclination so as not to generate a catching jaw, A horizontal jig 430 having a length corresponding to a distance between a connection section through the take-out hole 313 and the insertion hole 311 at an end of the standby surface 413, ), The unit 400 is composed.

3, the platform 440 is positioned on the pressure surface 411 of the vertical jig 410, and at the same time, the horizontal jig 420 is moved in the vertical direction The hinge pin 30 is supplied from the charging hole 311 to the transfer groove 312 while entering the position deviated from the hinge pin 311.

4, the platform 440 on the pressure surface 411 of the vertical jig 410 descends along the inclined surface 412, and at the same time, the horizontal jig 420 The hinge pin 30 is moved to the take-out hole 313 side and the hinge pin 30 is loaded on the platform 440 when the lowering of the platform 440 is completed.

3, the horizontal jig 420 is moved out of the injection hole 311 and the hinge pin 30, which has been waiting in the injection hole 311, The lifting base 440 is elevated by the inclined surface 412 of the vertical jig 411 and reaches the pressure surface 411. The loaded hinge pin 30 enters the caulking position, 40 are inserted and the caulking is completed by the blow of the punch 11 connected to the pressurizing cylinder 10.

2, the hinge main body 40 and the fixed hinge pin 30 are fixed to the work table 310 by the hinge main body 40, The lift cylinder 440 is positioned on the waiting surface 412 which is lower than the pressure surface 411 by the length of the hinge pin 30 by the return of the transfer cylinder 450 as shown in FIG. The lifting base 440 is lifted while the transfer cylinder 450 advances and the hinge pin 30 is fixed to the hinge body 40 which has been caulked while the loaded hinge pin 30 enters the take- Is collected by free fall into the chute 500 while leaving the take-out hole 313.

The horizontal jig 420 having a height lower than the length of the hinge pin 30 supplied to the feed groove 312 moves the hinge pin 30 toward the take-out hole 313, The hinge pin 30 that is in the waiting state in the input hole 311 is still free from the upper surface of the horizontal jig 420 and is still constrained to the injection hole 311 by a free fall, 420 are moved to the injection hole 311 side and fed to the feed groove 312 with a free fall.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.

1: Addition step 2: Coking step
3: Extraction process
10: pressure cylinder 11: punch
12: Cylinder frame
20: caulking jig 30: hinge pin
40: hinge body
50: Index motor 51: Index table
100: frame
110: upper member 120: lower member
130: side member
200:
210: fixing member 220: guide member
300:
310: work table 311: input ball
312: feed groove 313: take-out ball
320: Base 321: Receiving hole
400: transfer part 410: vertical jig
411: Pressure face 412: Slope face
413: Waiting surface 420: Horizontal jig
430: connecting plate 440: platform
450: Feed cylinder 500: Chute

Claims (3)

The lower member is opposed to the lower member directly under the upper member to which the pressurizing cylinder is fixed and is fixed by the side member while maintaining a predetermined gap for vertical movement required for the caulking operation so that the front and rear open spaces are formed A pressing unit including a frame and a punch mounted on a fixing member for transmitting a pressing input connected to the pressing cylinder, and means for supporting a presser foot, which supports the pressing input applied to the hinge pin directly below the punch, And a seating part for providing a guide space for carrying out a caulking operation while moving forward and backward in a predetermined space, the hinge pin caulking device comprising:
The punch is spaced apart from the punch by a height necessary for the caulking operation, and the punch is passed through the center line extending from the punch of the worktable in such a manner as to hold the hinge main body in an equilibrium state necessary for the caulking operation, The hitting pin is connected to the take-out hole so as to provide a passage through which the hinge pin can move, the take-out hole having a predetermined gap in the opening direction of the frame, A surface of the pedestal formed in the direction of the upper member having a structure in which a groove is cut to penetrate to the end and a front and rear moving space is provided in the same direction as the opening direction of the frame while being fixed to the lower member, And that the feed grooves are formed while being engaged with each other Hinge pin caulking apparatus includes seating portion of. The method according to claim 1,
Wherein the pedestal has a pedestal which is formed by passing through the pedestal in the same shape and direction in which the take-out hole and the center line coincide with each other, and a pedestal supporting the pedestal of the punch is installed at all times. The method according to claim 1,
Wherein the pedestal is fixed to the lower member while being connected to the conveying cylinder which provides driving means necessary for supplying the hinge pin by advancing and returning to the other opened side fixed to one opened end of the lower member in the frame A pressure surface formed parallel to the sliding contact surface and spaced apart by a length of the hinge pin in a moving space formed in the same direction as the opening direction of the frame, The vertical jig for vertically moving the platform and the connecting plate vertically fixed at the end of the waiting surface, the vertical jig for vertically moving the platform, A horizontal jig having a length corresponding to the distance of the connection section is fastened Hinge pin caulking device characterized in that the sending the configuration.

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