KR20160119975A - Jig apparatus for extracting mold - Google Patents

Jig apparatus for extracting mold Download PDF

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Publication number
KR20160119975A
KR20160119975A KR1020150048840A KR20150048840A KR20160119975A KR 20160119975 A KR20160119975 A KR 20160119975A KR 1020150048840 A KR1020150048840 A KR 1020150048840A KR 20150048840 A KR20150048840 A KR 20150048840A KR 20160119975 A KR20160119975 A KR 20160119975A
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KR
South Korea
Prior art keywords
mold
coupled
extracting
magnet switch
die
Prior art date
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KR1020150048840A
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Korean (ko)
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KR101707856B1 (en
Inventor
이종윤
손인수
Original Assignee
주식회사 윤영테크
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Priority to KR1020150048840A priority Critical patent/KR101707856B1/en
Publication of KR20160119975A publication Critical patent/KR20160119975A/en
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Publication of KR101707856B1 publication Critical patent/KR101707856B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00—Details of machines for forging, pressing, or hammering
    • B21J13/08—Accessories for handling work or tools
    • B21J13/10—Manipulators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/04—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by magnetic means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C17/00—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports
    • B66C17/06—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes
    • B66C17/18—Overhead travelling cranes comprising one or more substantially horizontal girders the ends of which are directly supported by wheels or rollers running on tracks carried by spaced supports specially adapted for particular purposes, e.g. in foundries, forges; combined with auxiliary apparatus serving particular purposes for manipulating workpieces during forging operations

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)

Abstract

The present invention relates to a jig for mold extraction capable of extracting a mold from a die or a punch using a screw principle after fixating a projecting end surface of the mold with a magnet switch; provides a plurality mold coupling grooves to couple a plurality of molds; and couples to a side surface of a die coupled to a mold coupling groove by exposing an end part of the mold wherein the jig is positioned to be facing a projecting part of the mold to extract the mold from the mold coupling groove, thereby facilitating a working process to secure safety of a worker.

Description

[0001] The present invention relates to a jig for extracting mold,

The present invention relates to a jig apparatus for extracting a mold, and more particularly to a jig apparatus for extracting a mold from a die or a punch using a screw principle after fixing the projecting end surface of the die with a magnet switch.

Generally, the bolt manufacturing process is performed in the order of forging, wire rolling, heat treatment, plating, and shipment of the wire-shaped raw materials. In the first process, the forging machine is replaced.

The forging machine is provided with dies and punches as shown in FIGS. 9A and 9B. In the forging process, the dies are coupled to the dies in a maximum of four stages (four) Cutting is performed in the first stage, preforming is performed in the second stage (nose side chamfering), and bolt molding is performed in the third and fourth stages.

Depending on the case, it is sometimes necessary to change the mold twice or three times a day, and the mold replacement time is about 2 hours to 2 hours and 30 minutes, and thus the production amount is decreasing.

The mold demolding process and the mold clamping process will be briefly described below.

First, the mold disassembling process is performed by performing a step of loosening the bolt, extracting the cutting knife and the clamp of the die and the punch of the die, manually removing the mold of the die and the punch and then removing the oil, Is performed.

In the mold clamping step, a step of inserting the prepared mold into the die is performed, a step of tightening the primary bolt of the die is performed, a step of tightening the bolt after the cutting knife and the clamp are fastened to the punch, A step of adjusting the length of the die and the center of the punch die and then a step of tightening the second bolt is performed and a step of visually confirming through the production of a test sample is performed, And then performing the producing step.

The standard of the mold is slightly different, but the basic weight corresponds to about 6 ~ 10kg each. In order to replace the mold, the mold is manually removed and inserted. Although the weight of the mold is not so heavy, it is difficult to carry out the work by the operator, and since the mold is grease, it is slippery and there is always a risk of safety accident due to the fall of the mold have.

Also, it is very difficult to remove the used mold, and now the mold is picked up by the force of the person or the forceps. Due to the nature of the forging operation, the molds are very tightly bonded and can not be separated easily. Therefore, they are hammered by a rubber hammer several times and then separated.

[Patent Document 1] Korean Patent No. 10-1319035 [Patent Document 2] Korean Patent Publication No. 1999-0076214

In order to solve such a problem, the present invention aims to provide a jig device for extracting a die from a die or a punch using a screw principle after fixing the projecting end face of the die with a magnet switch.

In addition, the present invention provides a die extracting jig device for fixing a die-cutting jig device by using a fixing magnet switch for fixing the die itself, and for providing a structure capable of continuous operation with one device .

It is another object of the present invention to provide a jig device for extracting a mold for allowing two or more extracts to proceed simultaneously as needed.

The jig for extracting a mold according to an embodiment of the present invention includes a plurality of mold engaging recesses to which a plurality of molds are coupled and is coupled to one side of a die coupled to the mold engaging recess to expose an end of the mold, The mold can be extracted from the mold engaging groove.

As an embodiment related to the present invention, there is provided an apparatus for extracting a mold, comprising: a main support body having a pair of guide rails spaced apart from each other by a predetermined distance, And the upper and lower guide rails provided in the direction opposite to the direction in which the main support body is fixed to the sub support body, the engaging portions provided on each of the bent surfaces of the sub support body, And a mold extracting unit coupled to be slidably movable.

As an embodiment related to the present invention, a mold extracting portion includes a movable body having a through hole formed at its center portion, a movable bar coupled to allow forward or backward movement along the through hole, and a movable bar coupled to one end face of the movable bar facing the die And a handle coupled to an end of the moving bar.

As an embodiment related to the present invention, a first screw thread is formed along the outer periphery of the moving bar, and a second screw thread is formed on the inner side of the through hole so as to be engaged with the first screw thread, have.

In an embodiment related to the present invention, a plurality of engagement holes are formed at regular intervals in a pair of guide rails, and a plurality of spring plungers, which are engaged with some of the engagement holes, And the rear surface, respectively.

As an embodiment related to the present invention, the mold extracting device may be formed of a magnet switch for mold extraction and a magnet switch provided at the upper end of the mold extracting magnet switch.

As an embodiment related to the present invention, the coupling portion may be formed of a magnet switch for fixation and a magnet switch provided at the upper end of the fixation magnet switch.

The present invention has the effect of securing the operator's safety by facilitating the work process by fixing the tool with the magnet switch on the projecting end face of the mold and extracting the mold from the die or punch using the screw principle .

Further, according to the present invention, the dies themselves are fixed by using a magnet switch for fixing to fix the die extraction jig device, and by providing a structure capable of continuous operation with one device, Can be improved.

Further, according to the present invention, it is possible to simultaneously perform two or more extracting operations as needed, thereby shortening the working time and improving the working efficiency.

As a whole, the present invention can shorten the mold replacement time from about 2 hours to 30 minutes to about 1 hour and 30 minutes. In this case, it is possible to improve the production amount of about 100 per minute and therefore 6000 bolts, Safety incidents can be prevented, and the efficiency of the mold replacement work can be improved.

1 is a view for explaining a jig apparatus for extracting a mold according to the present invention.
2 is a perspective view of FIG.
3 is a cross-sectional view of Fig.
FIG. 4 is a view showing a state where a moving bar is coupled to a moving body provided in FIG. 1. FIG.
5 is a view showing the moving bar of Fig.
Fig. 6 is a view showing an example of the splicing plunger of Fig. 3;
Fig. 7 is another embodiment of the folding handle applied to Fig.
8 (a) and 8 (b) are views for explaining a general forging machine.

It is noted that the technical terms used in the present invention are used only to describe specific embodiments and are not intended to limit the present invention. In addition, the technical terms used in the present invention should be construed in a sense generally understood by a person having ordinary skill in the art to which the present invention belongs, unless otherwise defined in the present invention, Should not be construed to mean, or be interpreted in an excessively reduced sense. In addition, when a technical term used in the present invention is an erroneous technical term that does not accurately express the concept of the present invention, it should be understood that technical terms can be understood by those skilled in the art. In addition, the general terms used in the present invention should be interpreted according to a predefined or prior context, and should not be construed as being excessively reduced.

Furthermore, the singular expressions used in the present invention include plural expressions unless the context clearly dictates otherwise. In the present invention, terms such as "comprising" or "comprising" and the like should not be construed as encompassing various elements or stages of the invention, Or may further include additional components or steps.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals refer to like or similar elements throughout the several views, and redundant description thereof will be omitted.

1 is a view for explaining a jig apparatus for extracting a mold according to the present invention. 2 is a perspective view of FIG. Figure 3 is a sectional view of Figure 1. Figure 4 is a view showing a state where a moving bar is coupled to a moving body provided in Figure 1. [ 5 is a view showing the moving bar of Fig. Fig. 6 is a view showing an example of the splicing plunger of Fig. 3; Fig. 7 is another embodiment of the folding handle applied to Fig.

1 to 3, the mold extracting jig apparatus 100 to which the present invention is applied is provided with a plurality of mold engaging grooves to which a plurality of molds 300 are coupled. In the mold engaging grooves 210, The mold 300 is coupled to one side of the die 200 coupled to the end of the mold 300 so that the end of the die 300 is exposed.

A main support body 110 having a pair of guide rails 111 spaced apart from each other by a predetermined distance and vertically opposed to each other and a jig device 100 for extracting molds, A sub-support 120 which is fixedly coupled to the upper and lower guide rails 111 provided in a direction opposite to the dies 200 in a state where the ends thereof are bent, And a mold extracting unit 140 coupled to the guide rail 111 so as to be slidable left and right through an open end of the main support 110. [

The mold extracting unit 130 includes a moving body 131 having a through hole formed at its central portion, a moving bar 132 coupled to allow forward or backward movement along the through hole, A mold extractor 133 coupled to one end face of the moving bar 132 and a handle 134 coupled to an end of the moving bar 132. [

4 and 5, a first screw thread is formed along the outer periphery of the movement bar 132, and a second screw thread is formed on the inner side of the through hole to be coupled with the first screw thread, (132) is screwed into the aperture and is moved forward or backward along the thread.

A plurality of engagement holes 112 are formed at predetermined intervals in the pair of guide rails 111 at predetermined intervals and a plurality of spring plungers 135 are coupled to some of the plurality of engagement holes 112. [ Are provided on the front and rear surfaces of the mold extracting unit 130, respectively. At this time, as shown in FIG. 7, the splicing plunger 135 is provided with a spring inside the operation transmission lever 135a, and the circular ball 135b is positioned above the spring. Normally, So that the ball 135b is partially protruded above the motion transmission lever 135a. When the mold extracting unit 130 is moved to a desired position along the guide rail 111, a part of the circular ball 135b protruding from the engaging hole 112 is fitted into the engaging hole 112, The portion 130 is fixed at the corresponding position. In order to move the mold extracting unit 130 along the guide rail 111, the circular mold 135b is first pushed into the motion transmitting lever 135a and the mold extracting unit 130 is moved to the right or left When you push it with force, its position changes easily.

The mold extractor 133 may be composed of a magnet switch 133a for extracting the mold and a magnet switch bar 133b provided at the upper end of the mold extracting magnet switch 133a.

The handle 134 coupled to the end of the movement bar 132 causes the movement bar 132 to move forward or backward along the thread by a physical force externally applied. As shown in FIG. 8, such a handle rotates the handle on the upper side using the helical gear so that the movable bar 132 is moved forward or backward. The helical gear method is very useful when the working space is narrow.

The engaging portion 140 is composed of a fixing magnet switch 141 and a magnet switch bar 142 provided at the upper end of the fixing magnet switch 141.

Here, when the mold extracting magnet switch 133a and the fixing magnet switch 141 are supplied with electric power at the same position as the electromagnet, they form a magnetic force and are attached and fixed to the die (or punch) by the force of a magnetic force, When it is cut off, the formed magnetic force is removed and it easily falls off from the die (or punch). The magnet switch bars 133b and 142 are rotated by a physical force externally applied to them and turned on or off so that electricity is selectively supplied to the mold extracting magnet switch 133a and the stationary magnet switch 141 Or blocked.

The operation of the mold-extracting jig constructed as described above will be described below.

As shown in FIG. 3, first, the main support 110 is attached to the die 200 to which the mold 300 is coupled. After attaching the engaging portion 140 provided on the sub support 120 integrated with the main support 110 to the dice 200, the fixing magnet switch 141 is turned on and the fixed magnet switch 141 is rotated And the main support body 110 is fixed to the die 200 by a magnetic force. At this time, since the engaging portion 140 is composed of four fixed magnet switches, it is attached to each corner of the die 200, so that the main support 110 is stably attached and fixed to the die 200.

Here, the fixing magnet switch 141 is turned on when it is rotated in a certain direction, and turned off when it is rotated in the opposite direction.

When the main support body 110 is fixed to the dies 200, the mold extraction unit 130 is coupled to the guide rail 111 of the main support body 110 and then moved to a desired position along the guide rail 111. The circular ball 135a of the spring plunger 135 provided on the moving body 131 of the mold extracting unit 110 is coupled to the coupling hole 112 formed in the guide rail 111 to fix the position thereof. The spring plunger 135 is provided at each corner of the front surface and the rear surface of the moving body 131, respectively.

After the die extracting unit 130 is moved to a desired position and fixed, the movable bar 132 is moved to the desired position by using the handle 134 coupled to the end of the movable bar 132 screwed to the hollow of the movable body 131 The movable bar 132 is moved forward to move the movable bar 132 in the clockwise direction until the mold extracting magnet switch 133a comes into contact with the entire surface of the mold 300 coupled to the dice 200, .

When the mold switch magnet switch 133a is brought into close contact with the front surface of the mold 300, the magnet switch bar 133b provided in the mold removal magnet switch 133a is turned on so that the magnet switch for mold extraction 133a So as to be fixed to the mold 300. Then, when the handle 134 is rotated counterclockwise to move the movable bar 132 backward, the mold 300 is pulled out to start to come out of the coupling groove of the dice 200 and to be able to extract the mold 300 from the die do. At this time, when the movable bar 133b is coupled to the inside of the mold extracting magnet switch 133a, it is coupled to the bearing 150 so that the mold extracting magnet switch 133a is rotated as the movable bar 133a rotates .

The handle 134 is folded about the movable bar 132. When the movable bar 132 is used, the handle 134 is extended at right angles to the movable bar 132. Then, the handle 134 is held and the movable bar 132 is rotated. The movable bar 132 is folded so as to face the one side of the movable bar 132.

After one mold 300 is extracted from the die 200, the magnet switch bar 133b is turned off while the mold is being held to remove the magnetic force of the magnet switch for extracting the mold 133a, And is then removed from the magnet switch 133a.

The circular ball 135b of the spring plunger 135 is pushed into the spring plunger 135 to move it forward or backward along the guide rail 111 while releasing it from the engaging hole 112 to move the moving body 131 to a desired position . When the movement is completed, by repeating the above process, it is possible to easily extract a plurality of dies 300 coupled to the die 200.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or essential characteristics thereof. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

100: Jig device for mold extraction
110: main support 111: guide rail
112: coupling ball
120: sub-
130: mold extracting unit 131:
132: Moving bar 133: Mold extractor
133a: Magnet switch for mold extraction 133b: Magnet switch bar
134: handle 135: spring plunger
135a: Motion transmitting lever 135b: Circular ball
140:
141: Fixing magnet switch 142: Magnet switch bar
200: Dice
300: Mold

Claims (7)

A plurality of mold engaging grooves for engaging a plurality of molds are provided and are coupled to one side of a die coupled to the mold engaging groove so as to expose an end of the mold, And a jig for extracting the mold from the joining groove.
The method according to claim 1,
Wherein said mold extracting jig device comprises:
A main support having one end opened and a pair of guide rails spaced apart at regular intervals so as to face up and down,
A sub-support fixedly coupled to the upper and lower guide rails of the main support in a direction opposite to the die,
An engaging portion provided on each of the bent surfaces of the sub support,
A mold extracting unit coupled to the main support so as to be slidable left and right along the guide rail through an open end of the main support,
And a jig for extracting the mold.
3. The method of claim 2,
The mold-
A moving body in which a through hole is formed in a central portion,
A moving bar coupled to allow for forward movement or backward movement along the aperture,
A die extractor coupled to one end surface of the movable bar facing the die,
A handle coupled to an end of the moving bar,
And a jig for extracting the mold.
The method of claim 3,
A first screw thread is formed along the outer periphery of the moving bar,
And a second screw thread, which is engaged with the first screw thread, is formed inside the through hole,
Wherein the movable bar is screwed to the through hole.
3. The method of claim 2,
Wherein a plurality of through holes are formed at predetermined intervals in the pair of guide rails,
And a plurality of spring plungers coupled with some through holes of the plurality of through holes are provided on the front surface and the rear surface of the mold extracting unit, respectively.
The method of claim 3,
Wherein the mold extractor comprises:
A magnet switch for mold extraction,
And a magnet switch provided at an upper end of the magnet switch for extracting a mold.
3. The method of claim 2,
The engaging portion, the fixed magnet switch,
And a magnet switch provided at an upper end of the fixing magnet switch.
KR1020150048840A 2015-04-07 2015-04-07 Jig apparatus for extracting mold KR101707856B1 (en)

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Application Number Priority Date Filing Date Title
KR1020150048840A KR101707856B1 (en) 2015-04-07 2015-04-07 Jig apparatus for extracting mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150048840A KR101707856B1 (en) 2015-04-07 2015-04-07 Jig apparatus for extracting mold

Publications (2)

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KR20160119975A true KR20160119975A (en) 2016-10-17
KR101707856B1 KR101707856B1 (en) 2017-02-27

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH046323U (en) * 1990-04-23 1992-01-21
KR19990076214A (en) 1998-03-30 1999-10-15 윤종용 Jig Device for Mold Replacement
KR101319035B1 (en) 2013-07-16 2013-10-17 (주)삼우엔지니어링 A mold exchanger

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH046323U (en) * 1990-04-23 1992-01-21
KR19990076214A (en) 1998-03-30 1999-10-15 윤종용 Jig Device for Mold Replacement
KR101319035B1 (en) 2013-07-16 2013-10-17 (주)삼우엔지니어링 A mold exchanger

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