KR101896050B1 - Apparatus for reversal of refrigerator cabinet foaming mold - Google Patents

Apparatus for reversal of refrigerator cabinet foaming mold Download PDF

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Publication number
KR101896050B1
KR101896050B1 KR1020160132911A KR20160132911A KR101896050B1 KR 101896050 B1 KR101896050 B1 KR 101896050B1 KR 1020160132911 A KR1020160132911 A KR 1020160132911A KR 20160132911 A KR20160132911 A KR 20160132911A KR 101896050 B1 KR101896050 B1 KR 101896050B1
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KR
South Korea
Prior art keywords
unit
mold
clamp
reversing
frame
Prior art date
Application number
KR1020160132911A
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Korean (ko)
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KR20180040945A (en
Inventor
노은철
Original Assignee
주식회사 은광기전
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Priority to KR1020160132911A priority Critical patent/KR101896050B1/en
Priority to PCT/KR2017/007119 priority patent/WO2018070642A1/en
Publication of KR20180040945A publication Critical patent/KR20180040945A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/30—Mounting, exchanging or centering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/30—Mounting, exchanging or centering
    • B29C33/308—Adjustable moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/34—Moulds or cores; Details thereof or accessories therefor movable, e.g. to or from the moulding station
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/58—Moulds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • F25D23/062—Walls defining a cabinet
    • F25D23/064—Walls defining a cabinet formed by moulding, e.g. moulding in situ
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/44—Furniture or parts thereof
    • B29L2031/445—Cabinets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/762—Household appliances
    • B29L2031/7622—Refrigerators

Abstract

The present invention relates to a reversing device for a refrigerator cabinet blowing mold for reversing a refrigerator cabinet blowing mold to which a holder mounted on a mold fixing technology located on a refrigerator case production line is connected, comprising: a base frame having a plurality of frames connected thereto; A reversing unit rotatably installed on the upper portion of the base frame for inverting the refrigerator cabinet blowing mold by 180 degrees, a clamp unit for clamping the holder of the refrigerator cabinet blowing mold, the reversing unit being installed at a predetermined interval in the reversing unit, And a control unit for controlling operations of the inverting unit, the clamping unit, and the driving unit, wherein the inverting unit includes a rectangular upper rotating frame, a lower rotating frame And a plurality of the above-mentioned magnets A lower rotating frame in which the upper and lower rotating frames are disposed; a plurality of support posts which are coupled to the upper rotating frame and the lower rotating frame at respective corners thereof to connect the plurality of rotating frames; Frame

Figure 112018027918471-pat00010
A third guide roller disposed on the other side of the base frame, and a second guide roller disposed on the other side of the base frame, And a second rotary wheel interposed between the guide rollers so as to be rotatable, wherein the plurality of clamp units are disposed in the lower rotary frame and include a fixed jig having a plurality of guide grooves formed at regular intervals thereon, And an LM block coupled to one side of each of the first and second rotating wheels on one side of upper and lower sides of the support post, The LM block is coupled to a position spaced apart from the end of the support post by a predetermined distance, What to do with sports features.

Description

Apparatus for inverting refrigerator cabinet foaming mold

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a reversing device for a foam mold of a refrigerator cabinet.

More particularly, the present invention relates to a reversing device of a refrigerator cabinet blowing mold capable of safely reversing a refrigerator fixed cabinet blowing mold at a rapid 180 °.

The present invention relates to a reversing device for a refrigerator cabinet blowing mold, which can significantly improve the product damage and the danger that have occurred when a conventional artisan uses a crane hoist to turn a foam mold 180 degrees.

The present invention relates to a reversing device for a refrigerator cabinet foaming mold capable of carrying out a large number of foaming molds at a time even when repairing and modifying the manufactured molds, .

Generally, refrigerator cabinet products are packed with urethane foam foamed liquid for insulation purpose.

During the curing process, the urethane foam liquid generates high pressure together with the high pressure, and the foam mold of the refrigerator cabinet supports the pressure to maintain the inner shape of the refrigerator.

Meanwhile, the foaming process of the refrigerator cabinet is divided into a rotary foaming process and a fixed foaming process.

In the rotary foaming process, a foam mold is mounted on a movable pallet type facility, the mold is moved on a conveyor having a fixed orbit, and the mold opening, the unloading, the cleaning, The processes include loading of the cabinet semi-finished product, injection of foamed liquid, closing of the mold, and movement of the conveyor (during the curing time).

In the fixed foaming process, the refrigerator cabinet is moved by a separate conveyor, and then supplied to the inside of the fixed foaming device. The lower fixture rises up to be combined with the foam mold located at the upper part, The lower and side support structures act to secure the outer perimeter of the cabinet.

When the cabinet is fixed, the foaming liquid is injected and the foaming proceeds to keep the fixed state until the hardening is finished.

When the curing is completed, the mold combining unit and the fixed supporting structures are automatically operated and separated from the refrigerator cabinet, the lower fixture is lowered, the refrigerator cabinet having completed the process is taken out through the take-in and put-in conveyor, the new refrigerator cabinet is entered again, do.

In such a fixed cabinet blowing mold, the holder part is directed to the floor in the state of completion of the new manufacturing and repairing modification, but when the equipment is mounted for production, the mold is rotated 180 degrees so that the holder faces upward.

Conventionally, in order to mount a fixed mold cabinet to a production facility, a 180-degree reversing operation is manually performed by using a hoist or the like. When the main portion is rotated, it is damaged when an impact is applied. There was a problem that a safety accident occurred.

In recent years, reversing devices for inverting injection molds by 90 degrees and 180 degrees have been developed.

One example of such a technique is disclosed in Document 1 below.

The following Patent Document 1 discloses a novel type including two sets of reverse cylinders capable of arbitrarily selecting and raising both upper frames, locking cylinders interlocked with both reverse cylinders and capable of fixing a 90 ° angle holding posture between them Which is capable of reversing the state in which the upper frame is maintained at exactly 90 degrees during the synchronous rotation of the upper frame.

However, the conventional technique as described above is not only an apparatus for reversing a general injection mold, but also has a problem that the angle of reversal of the mold is limited to 90 degrees. Therefore, it is urgent to develop a reversing device for a refrigerator cabinet mold that can fix a refrigerator cabinet foam mold coupled with a holder mounted on a mold fixing technology located on a refrigerator case production line and turn it 180 degrees.

Korean Registered Patent No. 10-1062512 (registered on August 30, 2011)

The object of the present invention is to solve the above-mentioned problems, and it is an object of the present invention to provide a refrigerator cabinet which can fix a foam mold of a refrigerator cabinet to which a holder is coupled, The present invention also provides a reversing device for a foam mold in a refrigerator cabinet that can be reversed 180 degrees.

In addition, since a plurality of molds of the same shape are manufactured and used due to the nature of the urethane foam molding, it is possible to greatly reduce the time required for the 180-degree reversal in a situation where the number of molds to be reversed is increased. .

In addition, it is possible to improve the product damage and the danger that occurred in the process of reversing the foam mold by 180 degrees by using the crane hoist by the existing expert, so that the refrigerator cabinet which can safely rotate the mold 180 degrees without damaging the product And to provide an apparatus for reversing a foamed metal mold.

In addition, when repairing or modifying the mold, it is possible to carry out a large number of foam molds at once and carry out a 180-degree reversal operation at the same time as the product is taken out of the mold to fix and remodel the refrigerator cabinet. .

In order to accomplish the above object, according to the present invention, there is provided an apparatus for inverting a refrigerator cabinet blowing mold, comprising: a refrigerator cabinet coupled with a holder mounted on a mold fixture located on a refrigerator case production line; The refrigerator cabinet includes a base frame having a plurality of frames connected to each other, a reversing unit rotatably installed on the base frame to reverse the refrigerator cabinet blowing mold by 180 degrees, A clamp unit for clamping the holder of the refrigerator cabinet blowing mold, a driving unit for driving the inverting unit in association with one side of the inverting unit, and a control unit for controlling operations of the inverting unit, the clamping unit and the driving unit, The inverting unit includes a rectangular upper rotor A lower rotating frame disposed to face a lower portion of the upper rotating frame and having a plurality of the clamping units disposed thereon, a plurality of rotating frames coupled with respective corner portions of the upper rotating frame and the lower rotating frame, A support post of the base frame, a support post of the base frame,

Figure 112018027918471-pat00009
A third guide roller disposed on the other side of the base frame, and a second guide roller disposed on the other side of the base frame, And a second rotary wheel interposed between the guide rollers so as to be rotatable, wherein the plurality of clamp units are disposed in the lower rotary frame and include a fixed jig having a plurality of guide grooves formed at regular intervals thereon, And an LM block coupled to one side of each of the first and second rotating wheels on one side of upper and lower sides of the support post, The LM block is coupled to a position spaced apart from the end of the support post by a predetermined distance, What to do with sports features.
The driving unit may include a driving motor installed at one side of the base frame for rotating the inverting unit, a driving gear connected to the rotating shaft of the driving motor, a driving gear disposed outside the inverting unit, And an internal gear engaged with the internal gear.
And a proximity sensor is installed on one side of the clamp unit to prevent the clamp from rotating in a state in which the clamp does not advance properly.
And a stopper block is installed on the upper side of the clamp so that the foam metal can be positioned at the center of the inversion unit when the foam metal is seated.

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As described above, the reversing device for the foam mold of the refrigerator cabinet according to the present invention can fix the foam mold of the refrigerator cabinet to which the holder is coupled, and it is possible to quickly and easily insert the production line for producing the product after the new production of the fixed foam mold There is an effect of reversing 180 degrees.

In addition, since a plurality of molds of the same shape are manufactured and used due to the nature of the urethane foam molding, the time required for 180-degree inversion is greatly shortened in a situation where the number of molds to be reversed is increased.

In addition, it is possible to improve the product damage and the danger that occurred during the process of reversing the foam mold by 180 degrees by using the crane hoist by the existing expert, so that it is safer and the mold is reversed 180 degrees without damaging the product.

In addition, even when repairing and modifying the production mold, it is possible to take out a large amount of foaming mold at one time and to carry out the 180 degree reversal operation at the same time when the product is taken out, thereby reducing the time and space waste The productivity is greatly improved.

1 is a perspective view showing a reversing device of a foam mold of a refrigerator cabinet according to the present invention.
2 is a front view showing a reversing device of a foam mold of a refrigerator cabinet according to the present invention.
3 is a left side view showing a reversing device of a foam mold of a refrigerator cabinet according to the present invention.
4 is a right side view showing a reversing device of a foam mold of a refrigerator cabinet according to the present invention.
5 is an enlarged view of a clamping unit of a reversing device of a foam mold of a refrigerator cabinet according to the present invention.
6 is a view showing a state in which a foaming mold is seated on a reversing device of a foam mold of a refrigerator cabinet according to the present invention.
FIG. 7 is a view showing a rotating state of a foaming mold which is seated in a reversing device of a foam mold of a refrigerator cabinet according to the present invention; FIG.
FIG. 8 is a view illustrating a state in which a foam mold placed in a reversing device of a foam mold of a refrigerator cabinet according to the present invention is inverted by 180 degrees. FIG.

The terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings and the inventor can properly define the concept of the term to describe its invention in the best possible way And should be construed in accordance with the principles and meanings and concepts consistent with the technical idea of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents And variations are possible.

Before describing the present invention with reference to the accompanying drawings, it should be noted that the present invention is not described or specifically described with respect to a known configuration that can be easily added by a person skilled in the art, Let the sound be revealed.

Preferred embodiments of the present invention will now be described with reference to the accompanying drawings.

FIG. 1 is a perspective view showing a reversing device of a foam mold of a refrigerator cabinet according to the present invention, FIG. 2 is a front view showing a reversing device of a foam mold of a refrigerator cabinet according to the present invention, FIG. 3 is a cross- FIG. 4 is a right side view showing a reversing device of a foam mold of a refrigerator cabinet according to the present invention. FIG.

1 to 4, the refrigerator cabinet blowing mold reversing apparatus according to the present invention includes a refrigerator cabinet blowing mold 60 having a holder 61 attached to a mold fixing technology located on a refrigerator case production line, And includes a base frame 10, an inversion unit 20, a clamp unit 30, a drive unit 40, and a control unit 50. [

Preferably, the base frame 10 is formed in a rectangular shape by connecting a plurality of frames, and has a two-stage structure.

A driving motor 41 and first and second guide rollers 26 and 27 are disposed on the upper side of the connecting frame 11, A cable chain 252 and a cable chain bracket 253 are disposed above the other side connection frame.

The reversing unit 20 is rotatably installed on the upper portion of the base frame 10 to invert the refrigerator cabinet foaming mold (hereinafter, referred to as a "foaming mold") by 180 degrees.

The reversing unit 20 includes an upper rotation frame 21, a lower rotation frame 22, a support post 23, a first rotation wheel 24, a second rotation wheel 25, 26, a second guide roller 27, a third guide roller 28, and a fourth guide roller 29.

The upper rotating frame 21 is formed in a rectangular shape by connecting a plurality of frames.

The lower rotating frame 22 is disposed at a lower portion of the upper rotating frame 21 at a predetermined interval, and a plurality of clamp units are disposed on the upper rotating frame 21.

The lower rotating frame 22 may be formed in the same shape and size as the upper rotating frame.

The supporting posts 23 are formed of a plurality of pieces and are connected to the respective corner portions between the upper rotating frame 21 and the lower rotating frame 22.

LM blocks 231 connected to inner surfaces of the first rotating wheel 24 and the second rotating wheel 25 are coupled to upper and lower sides of the support posts 23, respectively.

Particularly, when the forklift is brought into close contact with the clamping unit by the forklift, the LM block, which is coupled to the lower side of the support post so that the reversing unit can be vertically moved up and down, To a position spaced apart from the lower end of the housing by a predetermined height.

That is, when the reversing unit 20 is in the 0 degree state, the forklift driver places the constant interval A between the lower rotation frame 22 and the LM block so that the forklift driver can safely mount the foam metal inside the reversing unit without interference.

Specifically, the situation is different from when the reversing unit is mounted or detached at the 180 degree state and the reversing unit is at 0 degree, and the upper portion of the foam mold holder is brought into close contact with the clamp unit so that the clamp can be advanced to clamp the holder of the foam mold Therefore, the foaming mold should be pushed up by the hydraulic force of the forklift to the clamp unit which is rotated by 180 degrees and should be closely contacted.

At this time, the forklift pushes up the foam mold and the reversing unit as a whole. If there is no gap, the hydraulic force of the forklift causes the force for lifting the reversing unit to act, which may cause damage or damage to the reversing device.

The first rotation wheel 24 is disposed on one side of the upper rotation frame 21 and the lower rotation frame 22 and includes a first guide roller 26 and a second guide roller 26 disposed on one side of the base frame 10, (27).

A protective cover 241 is provided on the outer side of the first rotating wheel 24 so as to cover the internal gear 43 of the drive unit 40 to be described later.

The second rotation wheel 25 is disposed on the other side of the upper rotation frame 21 and the lower rotation frame 22 and includes a third guide roller 28 and a fourth guide roller 28 disposed on the other side of the base frame 10, (29).

The first rotating wheel 24 and the second rotating wheel 25 have a circular shape and are connected to an LM block 231 to be described later.

An up-down cylinder 80 is installed on the inner surface of the first rotating wheel 2 and a second rotating wheel 25, respectively, and the rod of the up-down cylinder is connected to the lower portion of the upper rotating frame 21.

The up-down cylinder 80 functions to buffer the upper rotating frame 21, which is moved downward while the center of gravity of the foaming mold moves downward with the rotation of the reversing unit, so that the upper rotating frame is slowly lowered.

On the other hand, a cylindrical rotary drum 251 is provided on the outer side of the second rotating wheel 25 and rotates together with the rotation of the second rotating wheel to support the rotation of the second rotating wheel A cable chain 252 is installed.

A plurality of locking bushes (not shown) are provided on the outer side of the second rotating wheel 25 so as to lock and unlock the rod of the locking cylinder 70 in order to accurately position the reversing unit at a zero- (254).

That is, when the second rotating wheel rotates to reach a position of 180 degrees, the locking cylinder operates to lock the locking bushing by advancing the rod.

The reversing unit 20 can be accurately positioned at 0 degree and 180 degrees by the locking cylinder 70 and the locking bushing 254 so that the reversing unit can be positioned 180 degrees In the state where the foam metal mold is mounted, it is possible to prevent the inversion device from shaking.

When the drive unit 40 is driven, the reversing unit 20 constructed as above is operated to rotate the upper rotation frame 21, the lower rotation frame 22, the support post 23, the first rotation wheel 24, (25) is rotated, and the foamed metal mold clamped by the clamp unit (30) provided in the lower rotating frame (22) also rotates.

5 is an enlarged view of a clamping unit of a reversing device of a foam mold of a refrigerator cabinet according to the present invention.

As shown in FIG. 5, the clamp units 30 are installed on one side of the reversing unit 20 at regular intervals, and clamp the holder of the refrigerator cabinet blowing mold.

The clamp unit 30 includes a fixing jig 31 having a plurality of guide grooves 311 formed at an upper portion thereof at regular intervals and a clamping unit 311 for clamping the holder 61 by pneumatic pressure while being inserted into the guide groove 311, Or a clamp 32 for releasing the clamping force. The clamp 32 is manually transferred back and forth by the operator and clamps or unclamps the holder according to supply and interruption of air pressure.

The clamp unit 30 uses a clamp 32 operated by a pneumatic pressure in consideration of the weight of the foam mold, the clamping ability and the size, and is preferably formed at six locations in consideration of the holder length and width of the foam mold .

In addition, the clamp 32 is equipped with a check valve (not shown) in which the clamp is not released even if the air pressure is cut off for safety.

A proximity sensor 33 is installed on one side of the clamp unit 30 to prevent the clamp from rotating in a state in which the clamp does not advance properly.

In other words, by providing a proximity sensor on the side of each clamp in order to prevent the clamp from tightening and rotating in a state that the clamp 32 is not properly advanced, it is not operated when the clamp is not clamped to the holder of the foaming mold .

A stopper block 321 is installed on one side of the upper side of the clamp 32 so that the foam mold can be positioned at the center of the inversion unit when the foam mold is seated.

The stopper block 321 also protects the hanger bolt and the clamp protruded from the lower portion of the holder of the foam metal mold to prevent the worker from being accidentally damaged.

In addition, when the reversing unit rotates 180 degrees, it supports the clamp when the weight of the foam mold faces downward.

The driving unit 40 is connected to one side of the inverting unit 20 to drive the inverting unit.

The driving unit 40 includes a driving motor 41 installed at one side of the base frame 10 to rotate the inverting unit, a driving gear 42 connected to the rotating shaft of the driving motor 41, And an internal gear (43) provided outside the unit and engaged with the driving gear around an inner circumferential surface thereof.

The driving motor 41 may be disposed at an upper portion of the connection frame 11 extending outside the base frame 10 and at a height corresponding to the internal gear.

Especially, since the operation structure of the steel part is included in the inside of the foamed mold, the center of the inversion unit and the center of gravity of the foamed mold are difficult to match because of heavy weight. Therefore, a bearing (not shown) is provided at four places of the reversing unit to reduce the load according to the weight of the foamed mold, and the driving motor for rotating the reversing unit is used as a worm gear motor. .

The internal gear 43 is mounted on one side of the first rotary reel 24, which is a component of the reversing unit, and rotates in conjunction with the driving gear rotated during operation of the driving motor. Therefore, the rotation of the internal gear 43 causes the inversion unit to rotate.

The controller 50 controls operations of the reversing unit 20, the clamp unit 30, and the driving unit 40.

The control unit 50 is provided with a control box having three clamp fastening / releasing buttons in front of the reversing device and a control box having three clamp fastening / releasing buttons at the rear, so that the operator can visually confirm the presence of clamps Thereby preventing safety accidents caused by clamping of the clamp.

Hereinafter, the operation of the reversing device of the foam mold of the refrigerator cabinet according to the present invention will be described.

First, when the foam mold 60 is moved, the holder 61 faces downward. In the state where the production is completed, the lower portion of the holder is supported by a forklift fork. When handling the production line, The foam mold is moved in the state of facing.

Hereinafter, the present invention will be described in the case of mobile handling for inputting a production line.

6 to 8, the lower rotating frame 22 of the reversing unit 20 provided with the clamp unit 30 is located at the upper position in the ready state for reversing the foam metal mold 60. As shown in Fig.

Thereafter, the forklift fork is inserted into the holder 61 of the foam metal mold, and is moved toward the reversing device in a state of holding it.

After the forklift fork is adjusted to place the holder of the foam mold in the clamp unit 30, the worker manually pushes the front clamp backward, and then the front portion of the holder of the foam mold is clamped while the pneumatic pressure is supplied by the controller 50 .

Thereafter, the worker manually pushes the rear clamp to the front, and then the pneumatic pressure is supplied by the control unit, thereby clamping the back of the holder of the foam mold.

Subsequently, the forklift is moved back so that the forklift fork is separated from the holder of the foaming mold.

The driving motor is driven under the control of the control unit to rotate the upper rotating frame 21, the lower rotating frame 22, the support post 23, the first rotating wheel 24 and the second rotating wheel 25, The unit 20 and the foaming mold are rotated to invert 180 degrees.

After the inversion of the reversing unit and the foaming mold is completed, the supply of air pressure is cut off, and then the front and rear side clamps of the operator are manually pulled out to release the clamping.

Thereafter, the forklift is advanced to adjust the forklift fork in a state where the forklift fork enters the holder of the foil mold, and the forklift is retracted in a state in which the inverted foil mold is supported, and the foil mold is taken out of the reversing device.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art without departing from the scope of the present invention.

10: base frame 11: connection frame
20: inverting unit 21: upper rotating frame
22: lower rotating frame 23: support post
231: LM block 24: first rotating wheel
241: protective cover 25: second rotating wheel,
251: rotary drum 252: cable chain
253: Cable chain bracket 254: Locking bushing
26: first guide roller 27: second guide roller
28: third guide roller 29: fourth guide roller
30: clamp unit 31: fixed jig
311: Guide groove 32: Clamp
321: stopper block 33: proximity sensor
40: drive unit 41: drive motor
42: driving gear 43: internal gear
50: control part 60: refrigerator cabinet foaming mold
61: Holder 70: Locking cylinder
80: Up-down cylinder

Claims (8)

A reversing device for a refrigerator cabinet foaming mold for reversing a refrigerator cabinet foam mold (60) to which a holder (61) mounted on a mold fixture located on a refrigerator case production line is coupled,
A base frame 10 formed by connecting a plurality of frames;
A reversing unit 20 rotatably installed on the upper portion of the base frame 10 and inverting the refrigerator cabinet blowing mold 180 degrees;
A clamp unit (30) installed at a predetermined interval in the reversing unit (20) to clamp the holder of the refrigerator cabinet blowing mold;
A driving unit (40) coupled with one side of the inverting unit (20) to drive the inverting unit (20); And
And a control unit (50) for controlling operations of the reversing unit (20), the clamping unit (30) and the driving unit (40)
The inversion unit 20
The rectangular upper rotating frame 21,
A lower rotating frame 22 provided opposite to the lower portion of the upper rotating frame 21 and having a plurality of the clamping units 30,
A plurality of support posts 23 coupled to the respective upper and lower rotation frames 21 and 22 to connect the rotation frames 21 and 22,
A first guide roller 26 and a second guide roller 27 disposed on one side of the plurality of rotation frames 21 and 22 and rotatably disposed between the first guide roller 26 and the second guide roller 27, One rotation wheel 24,
A third guide roller 28 disposed on the other side of the base frame 10 and a fourth guide roller 29 rotatably disposed on the other side of the plurality of rotation frames 21 and 22, Two rotating wheels 25,
The plurality of clamp units (30) are disposed in the lower rotating frame (22)
A fixing jig 31 on which a plurality of guide grooves 311 are formed at regular intervals,
And a clamp (32) inserted into the guide groove (311) and detachably attached to the holder (61) by air pressure while being transported back and forth,
On the upper and lower sides of the support post 23,
And an LM block (231) coupled with inner surfaces of the first rotating wheel (24) and the second rotating wheel (25)
The LM block 231
Wherein the inverting unit (20) is independently moved up and down by an external force at a position spaced a predetermined distance from an end of the support post (23).
delete The method according to claim 1,
The drive unit (40)
A driving motor 41 installed at one side of the base frame 10 to rotate the inverting unit,
A driving gear 42 connected to the rotating shaft of the driving motor 41 and rotated,
And an internal gear (43) provided outside the reversing unit and engaging with the driving gear around an inner circumferential surface of the reversing unit.
The method according to claim 1,
Wherein the proximity sensor (33) is installed on one side of the clamp unit (30) to prevent the clamp from rotating in a state where the clamp does not advance properly.
The method according to claim 1,
Wherein a stopper block (321) is installed at one side of the upper portion of the clamp (32) so that the foam mold can be positioned at the center of the inversion unit when the foam mold is seated.
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KR1020160132911A 2016-10-13 2016-10-13 Apparatus for reversal of refrigerator cabinet foaming mold KR101896050B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
KR1020160132911A KR101896050B1 (en) 2016-10-13 2016-10-13 Apparatus for reversal of refrigerator cabinet foaming mold
PCT/KR2017/007119 WO2018070642A1 (en) 2016-10-13 2017-07-04 Apparatus for reversing refrigerator cabinet foam mold

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CN108556240A (en) * 2018-06-29 2018-09-21 江苏尚唯汽车饰件有限公司 A kind of turntable switching mechanism for the car carpeting foaming mould frame that stability is good
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