KR200484058Y1 - Fastening apparatus for mold cooling pipe stopper - Google Patents

Abstract

This design is able to combine and disassemble the stopper, which intermittently interrupts the cooling pipe flow of the mold, maintaining a constant distance from the high temperature mold, and can work precisely at the same depth when fastening the stopper to several cooling pipes. And to facilitate the disassembly and withdrawal of the cap.
According to the present invention, there is provided a cooling pipe stopper fastening device for a mold, comprising: a fastening body having a fastening groove formed therein, A lever device which is formed at one end and has a knob formed at the other end thereof, a lever device which causes the operation bar to be retracted by the operation of the handle, and a lever device which is coupled to the front surface of the lever device and inserted into the operation bar, And includes a guide tube exposed.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a cooling pipe stopper for a mold,

The present invention relates to a device for fastening a plug to an open end of a pipe.

Generally, hollow, long and long pipe chains are used mainly for the protection of wires or cables when wiring in the ground or inside buildings for transporting fluids.

The present invention is applied to a cooling pipe used for cooling all or a part of a mold according to the purpose of injection molding in the process of manufacturing a molded product by solidifying or curing a molten material injected into a mold by heating.

The cooling pipe provided in the mold is partially opened or closed according to the process, and the closed pipe closes its open end with the plug.

The ordinary molds are heated at a high temperature, and this environment requires a specially designed stopper and stopper for fastening the end of the cooling pipe of the mold with a stopper.

Korean Patent Registration No. 20-0275591 discloses a stopper for closing one end of an open pipe in a 'pipe stopper', and a hexagon wrench for engaging a stopper is shown in the drawing. However, the method of joining the stopper to the pipe by using the hexagonal wrench was not possible because the operator could not access the pipe due to the heat in the place of the cooling pipe of the mold in which the high temperature state was maintained. In order to open the pipe, It has been difficult to pull out the plug inserted into the pipe at the time of disassembly.

A description of a stopper for closing the cooling water flow path of the mold is disclosed in the Korean Registered Utility Standard No. 20-0456158, "Mold Cooling Water Flow Stopper", and the stopper can be tightened and disassembled at a certain distance from the mold at a high temperature However, it has been difficult to fasten a stopper at a certain position inside the cooling water flow pipe of the mold, and it was still inconvenient to draw the stopper out of the pipe when the stopper was dismantled.

The present invention has been conceived to overcome the above-described problems of the prior art, and it is an object of the present invention to provide a method of cooling a cooling pipe of a mold by intermittently inserting a cap, And it is an object of the present invention to provide a cooling pipe stopper for a mold which can be accurately operated at the same depth when fastening a stopper to a pipe, and which makes it easy to disassemble and withdraw the stopper.

According to an aspect of the present invention, there is provided a cooling pipe stopper fastening device for a mold according to the present invention, wherein a pressing body having a fastening groove formed therein is inserted into the housing to join or disassemble the pressing body of the stopper, A lever device for engaging the engaging groove with one end and a knob at the other end, a lever device for retracting the actuating bar by operation of the handle, and a lever device coupled to the front of the lever device, And the guide pipe of the operation bar is exposed at one end thereof.

Preferably, the lever device includes a fixing member having a circular through-hole formed therein, a pair of left and right knobs, one end of which is hinged to one end of the fixing member, and one end of the left and right knobs, And an operation member having a circular through-hole formed therein, which is in contact with or away from the fixing member in accordance with an angle between the knobs, and the operation bar is inserted into the guide pipe through the circular through hole formed in the fixing member and the operation member.

Preferably, the guide tube and the lever device are joined by a quick coupler.

Preferably, the outer periphery of the guide tube includes a unit scale that is uniformly displayed so as to measure the length in the longitudinal direction, and a depth guide member that is movable and longitudinally movable along the outer circumference of the guide tube .

Preferably, the fastening portion of the operating bar is formed as a threaded portion so as to correspond to the fastening groove formed of the female thread.

Preferably, the fastening portion of the actuating bar is formed as a fastening pin protruding outwardly through one end of the actuating bar.

According to the present invention, when a cooling pipe is opened or closed according to a process for increasing the quality of an injection product in a mold, when a cap is connected to close an open end of the cooling pipe, The pipe can be blocked by connecting the stopper to the pipe, and the joining procedure can be simplified, thereby reducing the working time.

Further, even when the cap is dismantled, it is possible to carry out the disassembly only by a simple operation and to pull out the cap from the pipe.

1 is a perspective view showing a cap constituted by a pressing body and a housing fastened to a cooling pipe of a metal mold;
2 is a plan view of a cooling pipe plug fastening device for a mold according to an embodiment of the present invention;
3 is an exploded perspective view of a cooling pipe closure fastening device for a mold according to an embodiment of the present invention;
FIG. 4 is a perspective view of a combined cooling pipe stopper of a mold according to an embodiment of the present invention; FIG.
FIG. 5 is a perspective view and a cross-sectional view illustrating a state where a stopper is coupled to a fastening portion of a cooling pipe stopper for a mold according to an embodiment of the present invention; FIG.
FIG. 6 is a perspective view showing a fastening part of a cooling pipe stopper fastening device of a mold according to an embodiment of the present invention formed by fastening pins. FIG.
FIG. 7 is a perspective view showing a state in which a cooling pipe closure fastening device for a mold is operated according to an embodiment of the present invention; FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The embodiments described below are intended to be illustrative in nature to enable those skilled in the art to easily carry out the invention and that the technical idea and scope of the present invention will be limited It does not mean anything.

In addition, the size and shape of the components shown in the drawings may be exaggerated for clarity and convenience of explanation, and the terms defined in particular in consideration of the configuration and operation of the present invention may vary depending on the intention or custom of the user or the operator It should be noted that the definitions of these terms should be made on the basis of the contents throughout this specification.

1 is a perspective view showing a cap constituted by a pressing body and a housing fastened to a cooling pipe of a metal mold.

1, the present invention relates to a housing 12 in which a cap 10 for closing an open end of a pipe is inserted into the open end of the pipe and an opening is formed in which both ends are connected in a tubular manner from the inside, And a pressing body 11 which is pressed against the opening of the housing 12 and pushes the housing 12 so as to expand outwardly and the pressing body 11 has a cap 10 ) Of the present invention.

The cooling pipe plug fastening device for a mold according to an embodiment of the present invention can be implemented as follows.

FIG. 2 is a plan view of a cooling pipe plug fastening device according to an embodiment of the present invention, FIG. 3 is an exploded perspective view of a cooling pipe plug fastening device according to an embodiment of the present invention, and FIG. FIG. 5 is a perspective view and a cross-sectional view illustrating a state where a stopper is coupled to a fastening portion of a cooling pipe stopper of a mold according to an embodiment of the present invention; FIG. FIG. 6 is a perspective view showing a fastening part of a cooling pipe stopper fastening device of a mold according to an embodiment of the present invention formed by fastening pins. FIG.

Referring to FIGS. 2 to 6,

The apparatus for fastening a cooling pipe stopper of a mold according to an embodiment of the present invention includes an operation bar 100 having a fastening part 110 coupled to a fastening groove 13 at one end and a knob 120 at another end, A lever device 200 for allowing the operation bar 100 to be retracted by the operation of the right knobs 210 and 220 and a lever device 200 coupled to the front surface of the lever device 200, And a guide tube 300 in which the fastening part 110 of the operation bar 100 is exposed at one end.

Each of the above-described configurations will be described in detail below.

The operation bar 100 is a rod having a small diameter and is formed with a fastening part 110 in which a screw thread is formed at an outer circumference at one end and a circular knob 120 is formed at the other end to be held by hand.

The fastening part 110 has an effect of restraining the pressing body 11 by being screwed with the front end face coupling groove 13 of the pressing body 11 constituting the plug 10 as shown in Fig.

This restrains one end of the actuating bar 100 so that the pressure body 11 can be inserted into the inside of the housing 12 and the pressure body 11 moves together with the open direction of the pipe And is forcibly inserted into the inside of the housing 12, which is supported at one end of the guide tube 300, which will be described later.

At this time, the fastening part 110 may be implemented with various fastening structures 112 applicable to the related art according to the fastening pin 112 shown in FIG. 6 and the embodiment to which the present invention is applied.

The fastening pin 112 shown in Fig. 6 is protruded in both directions through one end of the actuating bar 100, and the urging member 11 formed in the stopper 10 is urged in the longitudinal direction of the pipe to be closed The engaging groove 13 of the pressing body 11 is formed in a shape corresponding to the engaging pin 112.

The knob 120 is provided at the other end of the actuating bar 100 with a handle that can be held in a circular shape and is formed with a stopping protrusion 121 protruding in a direction to be engaged with the actuating bar 100. The latching jaw 121 re-describes its purpose and effect in connection with the description of the lever device 200 to be described later in a configuration in which the operating bar 100 can be regressed by the operation of the lever device 200. [

The knob 120 is held by the hand bar 100 so that the opposite coupling part 110 can be fastened to the cap 10 by the same operation as the rotary movement when fastened, So that it can be rotated.

The lever device 200 is operated by the user to grip the left knob 210 and the right knob 220 extending backward at a predetermined angle and adjusting the angle between the left and right knobs 210 and 220, Is retracted.

2 to 3, the lever device 200 is hinged to the left and right handles 210 and 220 by hinges 260 at both ends of the fixing member 230, And an operating member 240 coupled by a fastening member 250 at one end in a direction in which the right knobs 210 and 220 are hinged to the fastening member 230.

The operation member 240 is positioned between the left and right handles 210 and 220 and the left and right handles 210 and 220 and the fastening member 250 and the fastening member 250 and the operation member 240 are respectively hinged (260).

The fixing member 230 and the actuating member 240 are formed with through holes passing through the inside in a circular shape, and the through holes are coaxially connected.

The configuration of the lever device 200 as described above may be modified such that the left and right knobs 210 and 220 are held apart by the left knob 210 and the right knob 220 and the angle of the left and right knobs 210 and 220 is narrowed, And the operation member 240 are brought into contact with each other or moved away from each other.

The guide tube 300 is a tubular body having an inner hollow portion and a long end and is coupled with a through hole formed at one end of the fixing member 230 of the lever device 200. An inner pipe is connected to the fixing member 230 and the operation member 240, So as to be coaxial with the through-hole formed in the base.

In one embodiment of the present invention, one end of the guide pipe 300 is connected to the lever device 200 and the quick coupler 270 as shown in FIG. 3, It is possible to quickly and easily separate and mount the guide pipe 300 which is easy to bend or break at the time of use, thereby facilitating the replacement.

A unit graduation 310 is displayed around the outer circumference of the guide tube 300 at regular intervals to measure the length in the longitudinal direction and is moved along the longitudinal direction along the outer circumference of the guide tube 300 A depth guide member 320 which can be fixed around the outer periphery of the guide tube 300 is constructed.

The unit scale 310 and the depth guide member 320 are used to fasten the stop 10 within the pipe using a cooling pipe stop fastener of a mold according to one embodiment of the present invention, So that the fastening position of the cap 10 which can be changed can be determined.

The depth guide member 320 is formed to surround the outer periphery of the guide pipe 300 and is fixed to the guide pipe 300 by screw fixing means formed through the side wall.

The guide tube 300 is coupled to the lever device 200 and the operation bar 100 is inserted from the coupling part 110 by the through holes formed in the operation member 240 and the fixing member 230 of the lever device 200 So that the fastening portion 110 of the actuating bar 100 is exposed through the inner passage of the guide tube 300 to the open end. At this time, the length of the fastening part 110 of the operation bar 100 exposed to the open end of the guide pipe 300 is determined according to the length of the cap 10 to be applied.

The operation of the cooling pipe stopper of the mold according to one embodiment of the present invention will be described based on the above-described structure.

FIG. 7 is a perspective view illustrating a state in which a cooling pipe stopper for a mold is operated according to an embodiment of the present invention. FIG.

7,

The metal mold 20, which is a metal mold, is subjected to processes such as heating, pressurization, and the like in order to produce an article of a given shape, and cooling water for cooling is provided inside the metal mold 20 according to each process.

Depending on the progress of the process, the cooling water may be occluded or opened. At this time, the closure 10 as shown in FIG. 1 is used as a tool for closing the cooling water path.

Since the mold 20 maintains the high temperature during the molding process through the mold 20, it is difficult for the worker to work closely to open and close the coolant, so that the cooling pipe stopper of the mold according to the embodiment of the present invention is used And the stopper 10 is fastened and disassembled.

The housing 12 of the cap 10 is fitted to the coupling part 110 and the coupling groove 13 formed on the end face of the pressing body 11 is engaged with the coupling part 110. [

The left grip 210 and the right grip 220 are gripped by both hands and the cap 10 coupled to the coupling portion 110 is inserted into the cooling pipe of the mold 20.

At this time, the depth at which the stopper 10 is inserted into the cooling pipe of the mold 20 is indicated by the unit scale 310 and the depth guide member 320, which are shown on the outer periphery of the guide pipe 300, .

When the stopper 10, which is inserted into the inside of the cooling pipe, is positioned at a position to be fastened, the angle between the left and right knobs 210 and 220 is reduced so that the actuating member 240 is retracted.

The retracting operation member 240 pushes the engagement protrusion 121 formed integrally with the operation bar 100 backward in a direction opposite to the direction in which the stopper 10 is fastened so that the operation bar 100 is retreated .

When the actuating bar 100 is retreated by the above-described operation, the pressing body 11 is inserted into the housing 12, which is restricted by the movement of the guide tube 300, And the outer periphery of the housing 12, which is expanded outward by the pressing body 11, closes the pipe line of the pipe.

Finally, the knob 120 is rotated to separate the coupling part 110 from the coupling groove 13 of the cap 10, and the cooling pipe plug fastening device according to an embodiment of the present invention is inserted into the mold 20, .

When the cap 10, which is coupled to the inside of the cooling pipe and closes the conduit, is disassembled, the process proceeds in the reverse order of the above-described coupling process. In the cooling pipe fitting device for a mold according to an embodiment of the present invention, The fastening portion 110 can be engaged with the engaging groove 13 formed in the pressing body 11 of the stopper 10 after the fastening portion 110 approaches the stopper 10 with the right hand grips 210, The knob 120 is rotated.

When the knob 120 is rotated so that the coupling part 110 and the pressing body 11 are coupled to each other, the left and right knobs 210 and 220 are opened outward, So that the pressure body 11 of the plug 10 and the housing 12 are separated from each other.

The pressing force of the pressing body 11 and the housing 12 is separated and the fixing force hardly fixed in the cooling pipe is removed so that it becomes easy to pull the plug 10 out of the cooling pipe. The disassembling process of the plug 10 is completed by pulling the cooling pipe plug fastening device of the mold.

Although the present invention has been described in connection with the above-mentioned preferred embodiments, it will be apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the invention, It is obvious that the claims fall within the scope of the claims.

10: cap 11: pressure body
12: housing 13: engaging groove
20: mold 100: operation bar
110: fastening part 112: fastening pin
120: knob 121: latching jaw
200: lever device 210: left handle
220: right knob 230: fastening member
240: operating member 250: fastening member
260: hinge part 270: quick coupler
300: guide tube 310: unit scale
320: depth guide member

Claims (6)

There is provided an apparatus for engaging or disengaging a cap with which a pressurizing body having a fastening groove formed therein is inserted into a housing and a pipe end is closed,
An operating bar having a fastening portion coupled to the fastening groove at one end and a knob at the other end;
A lever device for regulating the angle between the knobs extending to the rear left and right at a predetermined angle so that the operating bar is retracted;
A guide tube coupled to a front surface of the lever device, the guide tube being inserted into the conduit through the conduit, the fastening portion of the operation bar being exposed at one end, the conduit being formed as a long tube;
A unit scale that is uniformly displayed on the outer circumference of the guide tube so that the length can be measured in the longitudinal direction; And
And a depth guide member provided so as to be movable and fixed in the longitudinal direction along the outer circumference of the guide tube,
Wherein the guide tube and the lever device are coupled by a quick coupler that covers a portion of each of the guide tube and the lever devices.
The method according to claim 1,
The lever device
A fixing member having a circular through-hole formed therein;
Left and right knobs each having one end hinged to both ends of the fixing member; And
And an operating member which is connected to the one end of the left and right knobs by a fastening member and which is in contact with or away from the fixing member according to the angle between the left and right knobs and has a circular through-
Wherein the operation bar is inserted into the guide pipe through a circular through hole formed in the fixing member and the operation member.
delete delete 3. The method according to claim 1 or 2,
Wherein the fastening portion of the operating bar is formed as a threaded portion so as to correspond to a fastening groove formed of a female thread.
3. The method according to claim 1 or 2,
Wherein the fastening portion of the operation bar is formed as a fastening pin projecting outwardly through one end of the operation bar.

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