KR101215000B1 - The manufacturing apparatus of balance weight for drum washer - Google Patents

Abstract

PURPOSE: A manufacturing apparatus of a balance weight for a drum washing machine is provided to rapidly manufacture a balance weight including heavy strength by continuously laminating mixtures. CONSTITUTION: A supply unit(10) supplies mixtures including cement, fine iron, and water. The mixture is inserted into a molding groove(22) of one or more balance weight shapes in a mold. A compression forming unit(40) compresses a mixture of a virtual molding material formed on a lower mold(32). A lower molding unit(30) is transferred by a transfer cart(31). The compression forming unit moves a compressed molding material to a transfer plate(42). A transfer unit(50) moves the transfer plate. A loading unit(60) loads the transferred transfer plate on a loading frame(61).

Description

The manufacturing apparatus of balance weight for a drum washing machine

The present invention relates to a device for manufacturing a balance weight mounted on the tub of the drum washing machine to hold the center of gravity, and more particularly, from the supply of the mixture for producing the balance weight to the conveying and loading with compression molding The present invention relates to an apparatus for producing a balance weight for a drum washing machine to facilitate mass production.

In general, the tub provided in the drum washing machine is equipped with a balance weight to solve the weight imbalance to hold the center of gravity so that it can be rotated smoothly without being eccentric when washing, such a conventional balance weight is mainly composed of cement and metal particles Phosphorus iron and water are prepared by various methods using a mixture of appropriately mixed.

In the first conventional method for manufacturing a balance weight, each formwork made in the form of a balance weight intended to produce a mixture of cement, powdered iron and water is manually filled by a worker and then the formwork is dried to a drying facility. After carrying out the curing period by natural drying, cold air drying or steam drying, the formwork was separated, and thus the balance weight to be manufactured was completed.

However, in the manufacturing method for manufacturing the balance weight using such a conventional formwork, as a large amount of formwork is required in proportion to the amount to be produced, that is, a large amount until the time to reuse the formwork through the curing period Due to the excessive cost of producing the initial formwork due to the need for the formwork, the process of filling the mixture with the formwork and separating it after hardening is quite cumbersome and inconvenient in the work. Due to the problem, there was a problem of low production efficiency.

Secondly, in the method, a mold is manufactured in the shape of a balance weight to be manufactured, and then the mold is filled by the operator's hand, and then the filled mixture is formed by compacting, etc., and then the mold is separated to form a mixture. The balance weight to be manufactured is completed by carrying the curing period by natural drying, cold wind or steam drying by transporting the to a drying facility.

However, in the method of manufacturing the balance weight using such a mold, all the work is performed by the operator's manual work, that is, filling the mixture with the mold, as well as compaction work by the operator's manual work. Not only was it desperately required but also had a problem that the production efficiency is lowered as it takes a long time until the completion of manufacturing, with a problem that is quite limited in the shape sphere due to the mold.

Third, in the method, as the applicant's pre-registration right, as disclosed in Korean Patent No. 10-0707995, "Method of manufacturing a balance weight for a drum washing machine," it is a case using a synthetic resin in the form of a balance weight to be manufactured. After manufacturing and filling the mixture into the inside of the case and after the curing period, a series of production was completed.

However, in the method of manufacturing the mixture by filling the case, there was no way to confirm whether the mixture was properly filled due to air, etc. in the case, as well as cracking due to vibration or impact on the mixture that was filled into the case and cured. Even if this occurred, there was a problem that the production efficiency due to the injection of the mixture into the case as well as not confirmed problems.

Republic of Korea Patent No. 10-0913433, Publication Date 2009. 08. 21. Name: Balanced weight and balance weight manufacturing apparatus and manufacturing method thereof This is shown in FIG. 3 of page 8, which is a dedicated device using a conventional press method, rather than compacting the mixture by manual labor after filling the mixture on a mold manufactured by the second method described above. As described above, an apparatus for manufacturing a balance weight has been proposed in a manner of pressing with a compactor. However, in the case of the above-mentioned patent document, the filling of the mixture into the mold is performed not only by the worker's manual work but also after the pressing is carried out by the manual work of the worker. The rest of the work was also done by the operator's manual work, which also had the problem that the work efficiency was not so high.

By the way, in the background art of manufacturing the balance weight and the manufacturing apparatus described in the patent literature, as all the work is performed step by step through the manual operation of the operator, not only the work efficiency is significantly reduced, but also the production efficiency is considerably lowered, which is not suitable for mass production. Not only did it have a problem, but it also contributed to the increase in the price of the balance weights.

The present invention has been made to solve the above-mentioned conventional problems, the main object of which has the high strength according to the compression molding can be immediately confirmed the occurrence of defects during manufacturing, as well as the supply of the mixture for producing the balance weight The present invention provides a manufacturing apparatus of a balance weight for a drum washing machine, which is made continuously from compression and molding to conveying and stacking so that mass production can be made smoothly.

Another object of the present invention is to allow a uniform injection of the mixture into the molding groove of the molding die.

Another object of the present invention is to make it possible to further increase the strength of the balance weight.

Still another object of the present invention is to increase the density between the mixture particles introduced into the mold.

Still another object of the present invention is to make it easy to carry with compression.

Still another object of the present invention is to provide an automatic feeding of a transfer plate on which a compression molded article is placed.

Still another object of the present invention is to facilitate the loading of a transfer plate on which a compression molded article is mounted.

The present invention for solving the technical problem as described above, in the apparatus for producing a balance weight for a drum washing machine, the supply means for supplying a mixture of a mixture of cement, powdered iron and water; A molding mold having at least one molding groove having a balance weight shape into which the mixture supplied to the supply means is introduced; A lower mold part which is transferred to the lower part of the molding mold by a transport cart and has a lower mold which is lifted and lowered; Compression molding means for pressing and molding a mixture of the caustic molding formed on the upper mold lower surface of the lower mold portion transferred by the transfer cart and then placing the mixture on the transfer plate which is mounted on the upper surface of the auxiliary cart connected to the transfer cart; A conveying means for conveying a conveying plate on which the molding formed by the crimping forming means is placed; Loading means for loading the transfer plate transferred by the transfer means into a loading frame; .

The upper one side of the molding mold is characterized in that it further comprises a uniform inlet consisting of a scraper reciprocating in the upper surface of the molding mold by the reciprocating member so that the mixture is introduced into the molding groove uniformly.

The molding mold further comprises a reinforcing shim supply portion for supplying and inserting a reinforcing shim into the molding groove of the molding mold by a pusher.

The lower portion of the lower mold is characterized in that it further comprises a vibration unit for applying a vibration to increase the density of the mixture is put into the molding groove of the molding die and raised to the upper surface of the lower mold.

The press-molding means may further include an upper mold which is lifted and lowered by a lifting and lowering member, and a suction part having at least one suction hole for attaching the molded product by air suction after pressing molding on the upper mold. do.

The front end of the conveying means further comprises a conveying plate supply unit for automatically supplying the conveying plate to the upper portion of the auxiliary bogie.

The loading means is provided with a holding jig for holding a transfer plate is transported to the end of the transfer means, the holding jig is provided to be moved up and down by a power source and a power transmission member on the transfer frame, the transfer frame is Reciprocating by the transfer unit is characterized in that configured to load the transfer plate to the loading frame.

The present invention can be immediately confirmed the occurrence of defects during manufacturing while having a high strength according to the compression molding, as well as a continuous production from the supply of the mixture for the production of the balance weight to the conveying and loading with compression molding smoothly By making it possible, the balance weight having a high strength can be made in a large amount within a short time, as well as have the effect of minimizing the occurrence of defects.

In addition, by allowing the injection of the mixture into the molding groove of the molding die to be made uniformly, it has an effect that can be produced with high strength without a weak portion of the balance weight.

In addition, the strength of the balance weight is further enhanced by the reinforcing shim embedded in the mixture, and vibration is not separated by the built-in reinforcing shim even when cutting by impact.

In addition, it is possible to increase the density between the mixture particles introduced into the mold by vibration, and to have an effect of minimizing the volume of the balance weight to be produced, with the effect that the production can be made at a higher strength.

In addition, by the suction unit provided in the upper mold together with the compression can also be easily carried out, by carrying the compression molded molding from the upper mold without a separate transport means to simplify the overall structure of the apparatus as well as continuous It also has the effect that the manufacturing process can be made more smoothly.

In addition, by supplying the transfer plate on which the compression-molded molding is mounted also can be made automatically, there is an effect that the continuous manufacturing operation can be made more easily while minimizing the work force.

In addition, it is also possible to facilitate the loading of the conveying plate on which the compression-molded molding is mounted, so that even without a lot of manpower mobilization is made smoothly to have a mass production more smoothly.

1 is a main arrangement diagram schematically showing the present invention.
Figure 2 is a schematic main view of a state in which the mixture is supplied to the supply means and the molding die of the present invention.
Figure 3a to 3d is a schematic diagram showing the uniform injection portion and the reinforcement shim supply portion and the vibrating portion of the present invention.
Figures 4a to 4c is a principal part showing a state in which the lower mold portion of the present invention is transferred to the compression molding means.
Figure 5 is a main view schematically showing the compression molding means of the present invention.
Figure 6a to Figure 6b is a main part of the state in which the molded article is press-molded by the conveying means of the present invention.
7a to 7c is a main view schematically showing a state loaded from the transport means to the loading means of the present invention.

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

1 is a schematic layout view of main parts of the present invention.

In the apparatus for manufacturing a balance weight that is attached to a tub provided in a known drum washing machine as shown in the figure to solve the weight imbalance so as to smoothly rotate without washing the eccentricity during washing,

The present invention can be immediately confirmed the occurrence of defects during manufacturing while having a high strength according to the compression molding, as well as a continuous production from the supply of the mixture for the production of the balance weight to the conveying and loading with compression molding smoothly In order to make it happen,

Referring to Figure 2, after mixing the cement, powdered iron and water, the mixture mixed in the conventional blender 12, which is transferred to the conventional transport conveyor (C) or the like is directly supplied from the mixer or the conventional feed conveyor ( 14) a supply means for supplying through;

A molding die 20 having a frame shape which is installed on a conventional support frame into which the mixture supplied to the supply means is inserted and formed such that at least one molding groove 22 having a balance weight is penetrated up and down;

The lower die 32 is transferred to the lower portion of the molding die 20 by a common driving source and a transfer cart 31 which is reciprocated on a rail by a chain or belt or a cylinder, and the like. A lower die portion 30 is formed;

Press-molded at a constant pressure, that is, about 160 ~ 200BAR pressure so that molding can be made to the volume of the balance weight to be prepared to produce a mixture of the caustic molding formed on the upper surface of the lower mold portion conveyed by the transfer cart 31 And then press molding means 40 to put on the conveying plate 42 raised to the upper surface of the subsidiary bogie 41 connected to the conveying bogie 31;

Conveying means for conveying the conveying plate 42 by rollers, belts or chains connected to a normal driving source in a state in which the molded article formed by the crimping forming means is placed on the conveying plate 42 of the auxiliary bogie 41 50;

Stacking means (60) for stacking the conveying plate (42) transferred by the conveying means in a stacking frame (61) in an up and down multilayer; .

In the above, the lower part of the mixer of the supply means is provided with a conventional quantitative feeder to supply the mixture in a quantitative manner, it is preferable to be configured to discharge only the amount required.

In the above, the auxiliary bogie is connected so that the transfer bogie and the transfer can be made at the same time by a common connecting frame, etc., at least one rolling roll rotated by a belt or a chain connected to a normal driving source (not shown) The conveying plate which is lifted by the back is transferred to the conveying means, and the auxiliary bogie is located at the lower part of the compression molding means when the conveying bogie is located at the lower part of the molding die, Located at the tip of the transfer means is formed so that the transfer plate can be smoothly transferred to the transfer means.

Therefore, in the present invention, sequential processes are continuously performed in one line from feeding, feeding, pressing, pressing, conveying and stacking of a mixture of blended materials for producing a balance weight, thereby maximizing manufacturing efficiency in a short time. It will have the conditions to do so, so that mass production can be made smoothly.

In addition, as the mixture is manufactured by compression molding, the condition of the molded article can be directly checked by the compression molding means together with conditions that can have high strength as well as volume and optimum conditions. Occurrences also have conditions that can be identified immediately.

As shown in Figure 3a to 3d, the molding die 20 by the reciprocating member 212, such as a common cylinder so that the mixture into the molding groove 22 is uniformly injected into the upper side of the molding die 20 It is preferable to further provide a uniform feeding unit 210 composed of the scraper 214 reciprocated on the upper surface of the (20).

Accordingly, the scraper, which is the uniform input part, is reciprocated by the reciprocating member so that the mixture can be evenly introduced between the molding grooves, so that the mixture supplied to the upper part of the molding mold is not biased by any one of the molding grooves. The input can be made smoothly.

The upper part of the molding die 20 to the molding groove 22 of the molding die 20 by the pusher 222 reciprocated by a conventional cylinder or the like so as to further increase the strength of the product (reinforcement shim, such as ordinary reinforcement ( It is preferable to further include a reinforcing shim supply unit 220 for supplying and inserting 224. At this time, the reinforcing shim supply unit is provided on the base 225 is transferred to the front of the molding die when the reinforcing shim is supplied so that interference does not occur by a normal cylinder, and is transferred to the rear again when the supply of the reinforcing shim is completed.

Insertion of the reinforcing seam is not only made of cement, powdered iron and water, but also may not only apply weight due to the reinforcement seam, but also have a higher strength against vibration and shock, and also break the broken part in case of breakage. It is attached by the reinforcement shim rather than falling off, and can have a high safety for the product.

Vibration unit for increasing the density of the mixture is injected into the molding groove 22 of the molding mold 20 and raised to the upper surface of the lower mold by applying vibration to the lower portion of the lower mold 32 of the lower mold 30 ( It is preferred to further include 300).

In other words, since the mixture introduced into the forming groove is simply pushed by the uniform feeding unit, the gap between the particles of the mixture is widened, but the vibration is applied to the forming groove by applying the vibration by the vibration unit provided in the mold. As the mixture injected and raised to the upper surface of the lower mold portion is compacted by vibration, it has a condition to increase the density between particles of the mixture.

Accordingly, as the density between the particles of the mixture can be increased, the strength of the manufactured product can be further increased, and the conditions of the caustic product can be maintained without being disturbed until it is transferred to the press molding means.

When the mixture injection into the molding groove of the molding mold is completed as described above, and a pseudo-molded product is formed on the upper surface of the lower mold of the lower mold part, as shown in FIGS. 4A to 4C, the lower mold of the lower mold part 30 ( 32 is pressed down by the cylinder, and the press-molding means 40 for the next operation by the usual drive source constituting the lower die and the conveying bogie 31 which is transported to reciprocate on the rail by a chain or belt or the like. It is transferred to the bottom of). At this time, the subsidiary bogie 41, which is connected to the transfer bogie, is transferred to the transfer means side.

The press-molding means 40, as shown in Figure 5, the pseudo-molded product formed on the upper surface of the lower die on the lower die transferred while being lifted, lowered by a lifting member 43, such as a cylinder to which a conventional press method is applied The upper mold 44 for pressing and molding, and the suction unit 45 is formed on the upper mold 44, at least one adsorption hole (45a) for adhering the molding after the compression molding by air suction. It is desirable to.

That is, the press-molding means is pressed to the balance weight to be produced by pressing the mixture of the pseudo-molded on the lower mold of the transferred lower mold portion at a constant pressure, and then press the compacted molding in FIGS. 6A to 6B. As it is sucked together, the transfer cart 31 of the lower mold part 30 is transferred back to the molding die, and then lowered back to the transfer plate 42 which is raised to the upper part of the auxiliary bogie 41 positioned under the upper mold 44. Repeat the laying process.

Accordingly, the compression molding means not only compresses the mixture into a form for final product into a compression, but also serves to transfer the mixture to a subsidiary bogie so that a continuous process can be achieved.

In addition, at the tip of the conveying means 50, a cylinder (not shown) for conveying the conveying plate 42, which is loaded into the common loading box 410 for automatically supplying the conveying plate 42 to the upper portion of the auxiliary bogie, one by one. It is preferable to further include a transfer plate supply unit 400 for supplying by pushing.

Accordingly, the transfer plate 42 is automatically supplied to the sub-bogie 41 for transferring the transfer plate with the pressing means while being connected and transferred together with the transfer trolley 31 so that a continuous manufacturing process can be made. .

The loading means 60, the holding jig 62 is formed in the form of a conventional forceps for holding the transfer plate 42, which is transported by the auxiliary cart 41 at the end of the transfer means (50), and the The holding jig 42 is provided to be moved up and down by a power source such as a motor or the like and a power transmission member such as a chain or a belt on the transfer frame 64, and the transfer frame 64 is placed on a conventional rail. It is preferably configured to load the transfer plate 42 between the supports of the loading frame 61 while being reciprocated by a conventional driving source and a transfer unit (not shown) such as a power transmission means.

In other words, when the conveying plate 42 is located at the end of the conveying means 50, the conveying frame 64 is conveyed on the rail by the conveying unit while the holding jig 62 catches one end of the conveying plate 42 and then the power source. After being placed in the position to be loaded by the power transmission member and transfer the transfer frame by the transfer unit again to load the transfer plate.

In this way, when several transfer plates are loaded into the loading frame, the loading frame is transported to a general drying facility, thereby completing the manufacture of the balance weight of the required type through a predetermined curing time.

Therefore, the present invention has a high strength according to the compression molding and can immediately check the occurrence of defects during the manufacturing, as well as the continuous supply from the supply of the mixture for manufacturing the balance weight to the conveying and stacking with compression molding smoothly mass production It will have a condition that can be achieved.

10: supply means
12: blender 14: feeding conveyor
C: conveying conveyor
20: molding mold
22: forming groove 210: uniform injection portion
212: reciprocating member 214: scraper
220: reinforcement shim supply portion 222: pusher
225: base
30: lower die
31: transfer truck 32: lower die
300: vibrating unit
40: compression molding means
41: subsidiary bogie 42: transfer plate
43: up and down member 44: upper mold
45 suction part 45a suction hole
400: transfer plate supply unit 510: loading box
50: transfer means
60: loading means
61: loading frame 62: gripping jig

Claims (7)

In the apparatus for manufacturing the balance weight for a drum washing machine,
Supply means (10) for supplying a mixture of cement and powdered iron and water;
A molding mold 20 having at least one molding groove 22 having a balance weight shape into which the mixture supplied to the supply means is introduced;
A lower mold part 30 which is transported by a transport cart 31 at a lower portion of the molding mold and has a lower mold 32 which is configured to move up and down;
Press molding means for pressing the mixture of the caustic formed on the upper surface of the lower die portion transferred by the transfer bogie to the transfer plate raised on the upper surface of the auxiliary bogie 41 connected to the transfer bogie 31. 40;
A conveying means (50) for conveying the conveying plate (42) on which the molding formed by the crimping forming means is placed;
A loading means (60) for loading the transfer plate transferred by the transfer means into a loading frame (61); Apparatus for producing a balance weight for a drum washing machine comprising a.
The method of claim 1,
On the upper one side of the molding mold 20 is further added a uniform input portion 210 consisting of a scraper 214 reciprocated from the upper surface of the molding mold by the reciprocating member 212 so that the mixture is introduced into the molding groove uniformly. Apparatus for producing a balance weight for a drum washing machine characterized in that it comprises.
The method of claim 2,
The balance weight for the drum washing machine further comprises a reinforcing shim supply part 220 which is provided at the upper portion of the molding die 20 to supply and insert the reinforcing shim 224 into the shaping groove of the shaping mold by the pusher 222. Manufacturing equipment.
The method of claim 2,
A lower portion of the lower mold 32 further includes a vibration unit 300 for increasing the density of the mixture applied to the molding groove of the molding die by applying vibration to the upper surface of the lower mold. Apparatus for producing a balance weight for a drum washing machine.
5. The method according to any one of claims 1 to 4,
The press-molding means 40, the upper and lower die 44, which is raised and lowered by the lifting and lowering member 43, and at least one adsorption hole for attaching the molding after the compression molding on the upper die by air suction ( The apparatus for manufacturing a balance weight for a drum washing machine, characterized in that it further comprises a suction unit (45a) is formed 45a).
5. The method according to any one of claims 1 to 4,
An apparatus for producing a balance weight for a drum washing machine, characterized in that the front end of the transfer means 50 further comprises a transfer plate supply unit 400 for automatically supplying the transfer plate 42 to the upper portion of the auxiliary cart 41. .
5. The method according to any one of claims 1 to 4,
The loading means 60 is a holding jig 62 for holding a transfer plate is transported to the end of the transfer means and the holding jig is lifted up and down by a power source and a power transmission member on the transfer frame 64, It is provided to be lowered, wherein the transfer frame is a reciprocating by the transfer unit, the apparatus for manufacturing a balance weight for a drum washing machine, characterized in that configured to load the transfer plate to the loading frame (61).

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