KR101762917B1 - Plumbing connections for injection molding - Google Patents

Abstract

The pipe connection device for injection molding according to the present invention comprises: a frame member composed of a fixed frame vertically formed on a top of a bottom frame; A guide rail slidably inserted into a front end of the stationary rail, the guide rail having guide protrusions formed on both sides of the guide rail, a support plate formed on the both sides of the guide rail, and an insertion hole formed in a lower portion thereof; A movable panel slidable in a vertical direction to the fixed frame, a fixing hole formed in a direction perpendicular to the fixed frame and coupled with the movable panel through the fixing member, and a fixing hole connecting the fixed rail and the movable panel, A rail member including a rotating panel; A wire fixed at one end to the stationary frame and the other end fixed to a wire fixing ring formed at the distal end of the stationary rail; A connecting member slidably coupled to the guide rail through the guide projection and connecting the fluid supply line and the injection line to the rotary mold; Hose fixing means including a fixed pipe, first and second joints and clamps formed inside the guide rail, a hose fixing means including a hinge fixing means including a rotary mold and a guide rail, a support protrusion inserted into the insertion hole, An upper support shaft rotatably coupled to the upper support member via a rotary member, a lower support shaft coupled to the rotary mold, the lower support shaft being disposed below the upper support shaft, and a support pipe connecting the upper support shaft and the lower support shaft And a support member including the support member.

Description

[0001] PLUMBING CONNECTIONS FOR INJECTION MOLDING [0002]

The present invention relates to a pipe connecting apparatus for injection molding. More particularly, the present invention relates to a piping connection device for injection molding for supplying steam, air, or cooling water to a mold for injection molding.

In general, the term "double injection" means that two different resins or two resins having different colors are injected in a single molding machine, and a double injection molding machine in which molding is performed through such a double injection molding machine rotates two molds And a rotation mechanism is provided on the movable plate in such a manner that the rotary plate is rotated so that the rotary plate is rotated in the primary mold so that the fixed side of the secondary mold and the molded product molded from the primary mold A mold rotating method of filling a secondary resin into a space is mainly used.

Such a dual injection molding apparatus typically includes a movable mold provided opposite to a stationary mold and movably provided on both sides of the stationary mold, a movable mold movable between both sides between the stationary mold and the movable mold, And high temperature steam or air or cooling water is supplied to both sides of the rotary mold to constitute a cooling line for raising or cooling the temperature of a plurality of cavities formed in the rotary mold.

However, in the above-described double injection molding apparatus, pipes connected to the cooling line are installed on a ceiling or the like in the factory, so that the rotating mold must draw a long pipe during movement and rotation of the rotating mold, There is a problem that the high-priced Seweble joint, which is the connecting means, is easily damaged due to the concentration of the moving load on the connecting portion.

On the other hand, Patent Document 1 discloses a piping connection apparatus for connecting pipes for supplying steam, air, or cooling water to first and second fluid passing lines provided on both sides of a rotary mold constituting a dual injection molding apparatus.

However, according to Patent Document 1, since the mold connecting portion connecting the mold and the pipe connecting portion is formed of a chain, the load of the pipe connecting portion can not be supported smoothly, so that the rail and the pipe connecting portion are deflected, There is a problem in that the fluid supply line is brought into contact with the mold while the fluid supply line is damaged due to the temperature of the mold.

Korean Patent Publication No. 10-1013780

It is an object of the present invention to provide a piping connection device for injection molding which can easily support a load of a pipe connecting member and a rail member by constituting a supporting member between a rail member and a rotary mold, There is.

It is another object of the present invention to provide a steam supply apparatus and a steam supply apparatus which are capable of preventing the fluid supply line from being sagged during the rotary operation of the rotary mold, To prevent the occurrence of damage caused by the injection molding.

In order to solve the above problems,

The pipe connecting device for injection molding according to an embodiment of the present invention includes a frame member composed of a bottom frame fixing the pipe connecting device to the ground, and a fixing frame vertically formed on the top of the bottom frame;

A guide rail slidably inserted into a front end of the stationary rail, the guide rail having guide protrusions formed on both sides of the stationary rail, the guide rail having a support plate formed therein and an insertion hole formed therein, And a movable panel slidable in a vertical direction to adjust the height of the fixed rail. The movable panel is mounted on the fixed frame in a vertical direction A rail member including a fastening hole which is arranged in the fastening member and fastened to the fastening member through a fastening member, and a rotary shaft which connects the fastening rail and the fastening panel and supports a rotary operation of the fastening rail;

A wire having one end fixed to the fixed frame and the other end fixed to a wire fixing ring formed at a distal end of the fixing rail to prevent the fixing rail from sagging;

A connecting member slidably coupled to the guide rail through the guide protrusion and connecting the fluid supply line and the injection line to the rotary mold;

A fixed pipe configured to be inserted in and fixed to the fluid supply line, first and second joints for supporting the coupling of the fluid supply line and the connection member, and a clamp for coupling the fixed pipe to the fixed rail, Hose fixing means; And

An upper support member having a support protrusion connected to the rotary mold and the guide rail and inserted into the insertion hole so as to support the load of the guide rail and having a rotary member at a lower end thereof, And a support pipe connected to the upper support shaft and the lower support shaft, the support shaft being connected to the lower support shaft and the upper support shaft,

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Further, in the pipe connecting apparatus for injection molding according to an embodiment of the present invention, the hose fixing means is provided on the outer circumferential surface of the fixed pipe, the hose fixing means is seated on the support plate, A seating pad for sliding the outer peripheral surface of the fixing means to prevent the position of the hose fixing means from varying;

As shown in FIG.

In addition, in the pipe connecting apparatus for injection molding according to an embodiment of the present invention, the connecting member is formed with a guide groove into which a guide projection is inserted so that sliding is performed by surface contact, A pair of connection housings connected to each other via a Weebel joint and each having a supply flow path formed therein so as to be branched according to the type of fluid;

A connection panel for integrally connecting the pair of connection housings;

An upper swabel disposed in the connecting housing;

A lower swabel mounted on the rotary mold and connected to the upper swabel through an injection line and injected into the rotary mold depending on the kind of fluid;

As shown in FIG.

Further, in the pipe connecting apparatus for injection molding according to an embodiment of the present invention, the upper swabel may be composed of a first on-air swabel to which cooling water is supplied and a first steam swabel to which steam is supplied, The lower swabel may consist of a second hot swabel to which cooling water is injected and a second steam swabel to which steam is injected.

Further, in the piping connection apparatus for injection molding according to an embodiment of the present invention, the upper support shaft may be formed at the upper end of the shaft portion, which is rotatably coupled with the rotary member, and the insertion portion inserted into the support pipe may be formed at the lower end have.

According to an embodiment of the present invention, since the support member is provided between the rail member and the rotary mold, which are configured to be adjustable in length, the load of the pipe connecting member and the rail member can be supported, There is an effect that can be.

According to an embodiment of the present invention, since the fluid supply lines through which the steam and the cooling water are supplied are formed inside the rail member, it is possible to prevent deflection of the fluid supply line during rotation operation of the rotary mold, It is possible to prevent the occurrence of damage due to contact with the mold.

1 is a perspective view of a pipe connecting apparatus for injection molding according to an embodiment of the present invention;
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a pipe connecting apparatus for injection molding.
3 is a front view showing a pipe connecting apparatus for injection molding according to an embodiment of the present invention.
4 is an enlarged view of a main part of a pipe connecting apparatus for injection molding according to an embodiment of the present invention.
FIGS. 5 to 6 are enlarged views of a main part of a piping connection device for injection molding according to an embodiment of the present invention; FIG.
7 is a cross-sectional view showing a part of a support member of a piping connection apparatus for injection molding according to an embodiment of the present invention.

In the drawings, the same reference numerals are used to designate the same or similar components throughout the drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected to or connected to the other component, It should be understood that an element may be "connected," "coupled," or "connected."

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

1 to 4, the pipe connecting apparatus for injection molding according to an embodiment of the present invention includes a frame member 100, a rail member 200 connected to the frame member 100 so as to be adjustable in height in an intersecting direction, A connection member 300 connected to the fluid supply line 10 and a rail member 200 connected to the rotary mold 20 so as to be slidable along the outer surface of the rail member 200, And a support member 400 for supporting the load of the first and second support members 200 and 200.

The frame member 100 is composed of, for example, a square pipe made of a steel material, and is mounted to adjust the height of the rail member 200, and is fixed to a fixed frame 110 And a bottom frame 120 formed at the lower end of the fixed frame 110 and fixing the pipe connecting device to the ground.

Here, the fixing frame 110 is formed with a fastening hole 112 configured to engage with the fastening member of the moving panel 210 of the rail member 200 so that the height of the rail member 200 can be adjusted and rotated . The fastening holes 112 are formed at regular intervals along the longitudinal direction of the fixed frame 110, that is, the vertical direction in the drawing.

The frame member 100 may further include a wire 130 connected to the rail member 200 to prevent the rail member 200 from sagging together with the support member 400.

One end of the wire 130 is fixed to the fixed frame 110 and the other end is fixed to the distal end of the fixed rail 230 of the rail member 200. Therefore, the wire fixing ring 132 can be formed on the distal end side of the fixed rail 230 so that the other end of the wire 130 can be fixed by welding or the like.

The rail member 200 is formed of, for example, an SUS panel. The rail member 200 is installed in an intersecting direction with the stationary frame 110 and includes a stationary rail 230 and a stationary rail 230, The connecting member 300 and the fluid supply line 10 and the connecting member 300 and the rotary mold 20 provided on the rail member 200 are divided into the guide rail 240 and the guide rail 240, So that the fluid supply line 10 can be connected to a minimum length of the fluid supply line 10 so as to prevent sagging of the fluid supply line 10 during the rotation operation of the rotary mold 20. [

The rail member 200 includes a movable panel 210 installed on the fixed frame 110 and capable of adjusting the height of the rail member 200 along the vertical direction of the fixed frame 110, A rotary panel 220 connecting the fixed frame 110 and the fixed rail 230 to one side of the fixed rail 230 and rotating the fixed rail 230 by a predetermined angle when the rotary mold 20 is rotated, .

The rotary panel 220 is integrally formed at one side of the movable panel 210 and includes a rotary shaft 222 connected to an end of the fixed rail 230 to support a rotary operation of the fixed rail 230, .

The guide rail 240 is slidably inserted into the stationary rail 230 and the fluid supply line 10 is inserted into the bottom surface of the stationary rail 230, A first joint 232 is configured to be associated with the means 250.

A fixing bolt is fastened to one side of the fixed rail 230 to fix the position of the guide rail 240 and to restrict sliding movement of the guide rail 240 when the rotary mold 20 is rotated. A hole 234 is formed.

The guide rail 240 is inserted into the fixed rail 230 so as to be slidable and has a connection member 300 connected to the fluid supply line 10 on its outer surface, The hose fixing means 250 is installed and the position of the connecting member 300 is adjusted so that the rotary mold 20 and the connecting member 300 can be easily connected through the injection line 30 Element.

The guide rail 240 has guide projections 244 for guiding the connecting members 300 to slide along the outer surfaces of the guide rails 240 and hose fixing means 250 A support plate 246 is formed which is seated and fixed so as to allow easy coupling between the fluid supply line 10 and the connecting member 300.

The guide rail 240 may further include an insertion hole 248 through which an upper portion of a support member 400 to be described later is inserted to support a load of the rail member 200.

The hose fixing means 250 is inserted into the guide rail 240 and is seated on the support plate 246 formed on the guide rail 240 so that the fluid supply line 10 is embedded in the rail member 200 So that the connection is made at the shortest distance of the fluid supply line 10 when the fluid supply line 10 and the connection member 300 are connected, thereby preventing the fluid supply line 10 from sagging.

The hose fixing means 250 includes a fluid supply line 10 such that the fluid supply line 10 embedded in the rail member 200 through the first joint 232 can be connected to the connection member 300 A fixed pipe 252 for inserting and penetrating is constituted.

The first joint 232 and the second joint 256 may be formed at both ends of the fixed pipe 252 to facilitate the connection between the fluid supply line 10 and the connecting member 300. Wherein the first joint 232 and the second joint 256 may be implemented with a Swabel joint.

The hose fixing means 250 is formed on the outer circumferential surface of the fixed pipe 252 so that the hose fixing means 250 is seated on the support plate 246 of the guide rail 240 and the sliding operation of the guide rail 240 The hose fixing means 250 may further include a seating pad 254 that slides along the outer circumferential surface of the hose fixing means 250 to prevent the hose fixing means 250 from being displaced. The hose fixing means 250 may further include a clamp 258 coupling the fixed pipe 252 to the fixed rail 230.

The rail member 200 is configured to be rotatable from the stationary frame 110 in order to minimize the occurrence of twisting of the fluid supply line 10 during the rotation operation of the rotary die 20.

The connecting member 300 is configured to be slidable along the guide protrusion 244 of the guide rail 240 and is connected to a fluid supply line 10 passing through the hose fixing means 250, The injection line 30 is connected to the rotary mold 20 so as to supply a fluid such as cooling water or steam supplied from the injection nozzle 10 to the rotary mold 20 side.

The connection member 300 is connected to the fluid supply line 10 to form a connection housing 330 in which a supply flow path is formed so that the fluid is branched and supplied according to the type of fluid.

In addition, the connection housing 330 can be provided with a swabel joint 340 for tight coupling with the fluid supply line 10.

On the other hand, the connection member 300 is installed at the upper portion of the connection housing 330 and the injection line 30 is connected to the lower end of the connection member 300 so that fluids supplied from the fluid supply line 10 can be injected toward the rotary mold 20 The upper swabel 310 is configured.

The connecting member 300 of the present invention is installed in the rotary mold 20 and connected to the injection line 30 connected to the upper swabel 310 so that the lower part The swabel 320 may be further configured.

The upper and lower swabels 310 and 320 are connected to the first and second warm swabs 312 and 322 through which the cooling water is supplied and injected according to the type of fluid, First and second steam swabs 314 and 324, respectively.

That is, between the connecting member 300 and the rotary mold 20 of the present invention, cooling water, steam, or the like supplied from the fluid supply line 10 is connected to the rotary mold 20 through the injection hose 30 The upper end of the injection hose 30 is connected to the upper swabel 310 of the connecting member 300 and the lower end of the injection hose 30 is connected to the lower swabel 320 of the rotary mold 20.

In other words, the fluids supplied from the fluid supply line 10 are supplied to the injection hose 30 side via the upper swabel 310 formed in the connection member 300, and the injection hose 30 supplies the supplied fluids And the injection is performed to the rotary mold 20 side through the webbing 320.

5 to 6, the connection housings 330 according to the embodiment of the present invention may be formed as a pair and formed on both sides of the guide rail 240, and a pair of connection housings 330 The connection panel 350 may be further configured to be integrally formed.

The guide protrusion 244 formed on the guide rail 240 is inserted into the inner side surface of the connection housing 330 to form a guide groove 336 for supporting the sliding movement of the connection housing 330. However, It does not.

That is, the inner side surfaces of the pair of connection housings 330 connected to each other by the connection panel 350 and the side portions of the guide rail 240 are formed as vertical surfaces, It might be.

1, 5 to 7, the support member 400 according to an embodiment of the present invention connects the rotary mold 200 (see FIG. 3) and the rail member 200, It is a component supporting the load.

The support member 400 is inserted into the insertion hole 248 of the guide rail 240 to connect and support the rail member 200 and the rotary mold when the connection member 300 is connected to the rotary mold, A support protrusion 412 for supporting smooth sliding movement of the guide rail 240 is formed at an upper end and an upper support member 412 having a rotation member 414 is formed at a lower portion thereof for rotating link operation when the guide rail 240 is slid 410).

An upper support shaft 420 coupled to the rotary member 414 in a rotatable manner is formed at a lower portion of the upper support member 410. The upper support shaft 420 includes a shaft portion 422 to which the rotary member 414 is rotatably coupled and an insertion portion 424 extending from the lower end of the shaft portion 422 and inserted into the support pipe 440 .

The support member 400 is connected to the upper support shaft 420 by the support pipe 440 and the lower support shaft 430 is coupled to the lower mold 20 at the lower end. The support pipe 440 connects the upper support shaft 420 and the lower support shaft 430 to support the load of the rail member 200 and allows the support member 400 to be easily separated and coupled Lt; / RTI >

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to those precise embodiments. That is, within the scope of the present invention, all of the components may be selectively coupled to one or more of them.

It is also to be understood that the terms such as " comprises, "" comprising," or "having ", as used herein, mean that a component can be implanted unless specifically stated to the contrary. And all terms including technical and scientific terms are to be construed in a manner generally known to one of ordinary skill in the art to which this invention belongs, It has the same meaning as understood.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the scope of the present invention but to limit the scope of the present invention. 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.

10 - Fluid supply line 20 - Rotary mold
30 - injection line 100 - frame member
110 - stationary frame 112 - fastening hole
120 - floor frame 130 - wire
132 - wire fixing ring 200 - rail member
210 - Mobile Panel 220 - Rotating Panel
222 - Rotary shaft 230 - Fixed rail
232 - First joint 234 - Fixing hole
240 - Guide rail 244 - Guide projection
246 - Support plate 248 - Insertion hole
250 - Hose fixing means 252 - Fixed piping
254 - seat pad 256 - second joint
300 - connecting member 310 - upper saber
312 - 1st Onjewiswebel 314 - 1st Steamswebel
320 - Habsburg 322 - Second on Jr. Swabel
324 - Second Steam Swabel 320 - Habsburg
330 - Connecting housing 336 - Guide groove
340 - Swabel joint 350 - Connecting panel
400 - Support member 410 - Upper support member
412 - Supporting protrusion 414 - Rotating member
420 - upper support shaft 422 - shaft portion
424 - Insertion part 430 - Lower support shaft
440 - Supporting tube

Claims (5)

A frame member composed of a bottom frame for fixing the pipe connection device to the ground, and a fixed frame vertically formed on the top of the bottom frame;
A guide rail slidably inserted into the front end of the stationary rail, the guide rail being formed on both sides of the stationary rail, the guide rail having a support plate formed therein and having an insertion hole formed therein, And a movable panel slidable in a vertical direction to adjust the height of the fixed rail. The movable panel is mounted on the fixed frame in a vertical direction A rail member including a fastening hole which is arranged in the fastening member and fastened to the fastening member through a fastening member, and a rotary shaft which connects the fastening rail and the fastening panel and supports a rotary operation of the fastening rail;
A wire having one end fixed to the fixed frame and the other end fixed to a wire fixing ring formed at a distal end of the fixing rail to prevent the fixing rail from sagging;
A connecting member slidably coupled to the guide rail through the guide protrusion and connecting the fluid supply line and the injection line to the rotary mold;
A fixed pipe configured to be inserted in and fixed to the fluid supply line, first and second joints for supporting the coupling of the fluid supply line and the connection member, and a clamp for coupling the fixed pipe to the fixed rail, Hose fixing means; And
An upper support member having a support protrusion connected to the rotary mold and the guide rail and inserted into the insertion hole so as to support the load of the guide rail and having a rotary member at a lower end thereof, And a support pipe connected to the upper support shaft and the lower support shaft, the support shaft being connected to the lower support shaft and the upper support shaft,
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The hose fixing means is provided on the outer circumferential surface of the fixed pipe, and the hose fixing means is mounted on the support plate, and sliding is performed along the outer circumferential surface of the hose fixing means during the sliding operation of the guide rail, A seating pad for preventing the pad from being damaged;
Further comprising: a pipe connection device for injection molding.
delete A frame member composed of a bottom frame for fixing the pipe connection device to the ground, and a fixed frame vertically formed on the top of the bottom frame;
A guide rail slidably inserted into a front end of the stationary rail, the guide rail having guide protrusions formed on both sides of the stationary rail, the guide rail having a support plate formed therein and an insertion hole formed therein, And a movable panel slidable in a vertical direction to adjust the height of the fixed rail. The movable panel is mounted on the fixed frame in a vertical direction A rail member including a fastening hole which is arranged in the fastening member and fastened to the fastening member through a fastening member, and a rotary shaft which connects the fastening rail and the fastening panel and supports a rotary operation of the fastening rail;
A wire having one end fixed to the fixed frame and the other end fixed to a wire fixing ring formed at a distal end of the fixing rail to prevent the fixing rail from sagging;
A connecting member slidably coupled to the guide rail through the guide protrusion and connecting the fluid supply line and the injection line to the rotary mold;
A fixed pipe configured to be inserted in and fixed to the fluid supply line, first and second joints for supporting the coupling of the fluid supply line and the connection member, and a clamp for coupling the fixed pipe to the fixed rail, Hose fixing means; And
An upper support member having a support protrusion connected to the rotary mold and the guide rail and inserted into the insertion hole so as to support the load of the guide rail and having a rotary member at a lower end thereof, And a support pipe connected to the upper support shaft and the lower support shaft, the support shaft being connected to the lower support shaft and the upper support shaft,
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The connection member has a guide groove for inserting guide protrusions on the inner side thereof. The guide member is slid by surface contact. The connection member is connected to the fluid supply line via a Sewell joint. A pair of connection housings having a supply passage formed therein;
A connection panel for integrally connecting the pair of connection housings;
An upper swabel disposed in the connecting housing;
A lower swabel mounted on the rotary mold and connected to the upper swabel through an injection line and injected into the rotary mold depending on the kind of fluid;
Further comprising: a pipe connection device for injection molding.
The method of claim 3,
The upper swabel is composed of a first on-air swabel to which cooling water is supplied and a first steam swabel to which steam is supplied. The lower swabel includes a second on-air swabel to which cooling water is injected, And a second steam swivel to which the second steam swivel is connected.
The method according to claim 1 or 3,
Wherein the upper support shaft is formed at the upper end of a shaft portion in which the rotary member is rotatably engaged with the rotary member, and the insertion portion to be inserted into the support pipe is formed at the lower end.

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