KR100675340B1 - Turn table type pulp mold manufacturing method - Google Patents

Abstract

A turn table type pulp mold manufacturing method is provided to reduce the manufacturing time of the pulp mole, thereby maximizing the productivity. A pulp mold forming process by the upper and lower molds is performed(S10). The upper mold of the first dry member is closely contacted with the lower mold having the absorbed pulp molding member so that the pulp molding member is firstly dried(S20). The specific character such as the logo is carved into the pulp molding member by a carving dry member(S30). When the carving work is completed, the upper mold is descended to the lower mold and the upper and lower molds are closely contacted with each other so that the carved pulp molding member is thirdly dried(S40).

Description

Turntable type pulp mold manufacturing method {Turn table type pulp mold manufacturing method}

1 is a side view of a conventional turntable type pulp mold apparatus.

2 a schematic plan view according to FIG. 1;

3 is a manufacturing process diagram of a conventional turntable type pulp mold apparatus.

Figure 4 is a turntable pulp mold manufacturing process according to the present invention.

5 is a front view of a turntable type pulp mold manufacturing apparatus suitable for practicing the present invention.

6 is a plan view of FIG.

7 is a front view of the forming means according to FIG. 5;

8 is a front view of the drying means according to FIG. 5.

9 is a front view of the extraction means according to FIG. 5.

Explanation of symbols on the main parts of the drawings

10: base 20: split rotation part

210: division rotating means 220: lower mold

230: turntable 240: distribution means

310: upper mold 320: lifting cylinder

330: conveying means 340: molding means

350: drying means 360: extraction means

The present invention relates to a turntable type pulp mold manufacturing method, and more particularly to a turntable type pulp mold manufacturing method for maximizing the production of the product by reducing the production time of the pulp mold by making two molding steps alternately. It is about.

In general, the pulp mold is to form a product using waste paper or pulp, which is mainly used in a buffer packaging material or various containers to protect various articles, it is an environmentally friendly product to replace the existing synthetic resin or styrofoam.

In addition, the main component is made of pulp, which does not generate environmental pollutants when discarded or incinerated, and can be recycled upon recovery. In particular, it has excellent breathability, shock absorption, and moldability, and thus various shapes and colors can be expressed. The use range is gradually expanding.

The pulp mold apparatus for molding such a pulp mold product is divided into wet and dry according to the molding method, the former wet is dried in a state in which the pulp raw material is sucked into the molding mold, there is an advantage that the production time is fast and high productivity. The rough surface is difficult and the molding of precise size is difficult, so it is often advantageous to mold eggs containing eggs, and the latter dry molding is possible with the pulp raw material sucked into the molding mold, so that accurate product molding is possible, but the manufacturing time is slow. Although it has a disadvantage, it is possible to precise molding and has a certain strength, so that it is mainly used in products that require the same strength as the shock absorber, the present invention relates to the latter dry pulp mold manufacturing method.

On the other hand, in the conventional dry pulp mold manufacturing method, the upper and lower molds are formed to be symmetrical with each other horizontally, and when the first pulp is formed from the first upper mold, it is transported in close contact with the lower mold below and the next upper mold and The pulp moldings were completed by the zig-zag method of final extraction by the transfer method in close contact.

However, the transfer time and the upper and lower molds according to the zigzag transfer require precision according to a plurality of mutual close contact, and in particular, as the apparatus is formed horizontally, there is a problem that the utility of the installation space is inferior.

Referring to Korean Patent No. 568965 (Name: Fine Pulp Mold Manufacturing Equipment) to solve the above problems, Figure 1 is a side view of a conventional turntable type pulp mold apparatus, Figure 2 is a schematic plan view according to Figure 1 3 is a manufacturing process diagram according to a conventional turntable pulp mold apparatus.

Conventional fine pulp mold manufacturing apparatus is composed of a turntable (2) that is divided by rotation on the upper end of the base (1), a plurality of upper molds (3) is fixed to the bottom surface of the turntable (2) to be partitioned in accordance with the angle of rotation A plurality of moldings are installed between the upper end of the base 1 and the upper mold 3 so as to be partitioned according to the division rotation angle.

In addition, the molding unit according to the configuration, the drying part 5 and the upper mold (3) for drying the pulp molding formed in the first molding portion 4 and the upper mold (3) to form the pulp molding on the upper mold (3) ) And an extracting unit 6 for extracting the pulp molding, which has been dried, to the outside, and a washing unit 7 for washing the surface of the upper mold from which the pulp molding is extracted.

The priming molding unit 4 has a storage tank in which pulp material is stored and a lifting cylinder for elevating the storage tank to the upper mold 3 located above, and the storage tank and the lifting cylinder between the storage tank and the lifting cylinder. Parallel holding means for maintaining a smooth lifting force of the tank is configured.

The drying part 5 has a lower mold that is engaged with the upper mold 3, the lower mold is configured with a heating wire for dissipating heat, the lower mold is elevated to the upper mold (3) located above the lower mold. Parallel lifting means for maintaining a smooth lifting force of the lower mold is configured between the lifting cylinder and the lower mold and the lifting cylinder.

The extraction unit 6 is composed of the lower mold and the lower mold to be engaged with the upper mold (3), the lifting cylinder for lifting the lower mold and the lower mold is located on one side, the lower mold is transferred to one side A conveying means is configured, and an extracting upper mold engaged with the lower mold conveyed to one side by the conveying means, and a lifting cylinder for elevating the extracting upper mold are configured on one side of the turntable.

The washing unit (7) is provided below the upper mold (3), the washing tank is composed of a plurality of washing nozzles therein, the lifting cylinder for lifting the washing tank is configured at the bottom, between the washing tank and the lifting cylinder The parallel holding means is configured to maintain a smooth lifting force of the washing tank.

Referring to Figure 2, the conventional fine pulp mold manufacturing apparatus is composed of six upper molds (3) by the turntable (2) rotated by 60 ° each, the molding part is one primitive molding part 4 and three It consists of a drying part 5, one extraction part 6 and one washing part 7.

Referring to Figure 3, looking at the pulp molding production method of the conventional fine pulp mold manufacturing apparatus, first forming step (S1) is the storage tank of the priming molding unit 4 is raised upward by the lifting cylinder, the storage tank While covering the upper mold (3) fixed to the lower end of the turntable (2), the upper mold (3) is contained in the pulp raw material stored in the storage tank, when the suction force occurs in the upper mold, the pulp raw material is adsorbed into the upper mold As a result, the primary pulp molding is formed.

Then, the storage tank is lowered by the lifting cylinder, and the turntable 2 is divided and rotated so that the upper mold 3 on which the primary pulp molding is adsorbed is transferred to the first drying unit 5.

In the drying step S2, when the upper mold 3 on which the primary pulp molding is adsorbed is positioned above the first drying unit 5 through the forming step S1, the lower mold is lifted by the lifting cylinder to raise the upper mold. As the mold 3 and the lower mold are engaged with each other, the primary pulp molding is first dried by dissipating heat by a heating wire formed inside the lower mold.

The lower mold is lowered by a lifting cylinder, and the upper mold 3 which maintains the state in which the primary dried pulp molding is adsorbed is positioned in the secondary drying unit 5 by the rotation of the turntable 2. do.

Pressurizing step (S3) is the upper mold (3) where the first pulp molded material is adsorbed above the secondary drying unit (5) through the drying step (S2), the secondary drying unit (5) The lower mold of is raised by the lifting cylinder and dried to form the outline of the pulp molding.

Extraction step (S4) is the upper mold is adsorbed by the lifting cylinder is lowered by the lifting cylinder, the upper mold adsorbed the contoured pulp molding through the pressing step (S3), at this time, the suction force is generated in the lower mold And, the upper mold is pulp molding is turned over to the lower mold as the suction force is blocked, the upper mold is raised.

In addition, the lower mold adsorbed pulp molding is conveyed to one side by a conveying means, the extraction upper mold located above the transferred lower mold is lowered to be in close contact with the lower mold and the pulp molding is extracted upper mold by the suction force When the extraction upper mold is raised, the lower mold is returned to its original position by a conveying means, and the extraction upper mold is collected as a natural drop as the suction force is blocked.

The washing step (S5) is the upper mold that took over the pulp molding to the lower mold through the extraction step (S4) is located above the washing tank by the division rotation of the turntable, the washing tank is raised to include the upper mold, the washing tank The mold of the upper mold is washed as the washing water is sprayed from a plurality of washing nozzles provided in the interior of the washing machine.

Therefore, one pulp molding is completed through the drying, pressurization and extraction steps of the pulp molding formed at the initial priming molding, and the upper mold is cleaned by a washing tank, thereby completing one cycle pulp molding production.

However, the conventional pulp mold manufacturing apparatus has a problem that there is a limit to the reduction in the manufacturing cost due to the disadvantage that the one-cycle manufacturing time is long by molding the primary pulp molding in one primary molding unit.

In addition, the extraction of the completed upper mold has a problem of increasing the manufacturing time of the pulp molding in addition to the step of having to go through the washing process essentially.

In addition, as the stamping step is performed on the dried pulp molding is not accurately stamped on the pulp molding, there is a problem that lowers the productivity by increasing the defective rate.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a turntable type pulp mold manufacturing method to reduce the conventional pulp mold manufacturing process by a half cycle through a plurality of molding steps.

Another object of the present invention is a washing step is made in a plurality of molding steps, in particular by stamping after the primary drying (secondary drying) and tertiary drying to solve the defective rate of the stamping process, to maximize the overall productivity It is to provide a turntable type pulp mold manufacturing method to have a product competitiveness.

In the turntable type pulp mold manufacturing method of the present invention for achieving the above object, when a vacuum suction input is provided to a molded lower mold installed in a storage tank storing a predetermined amount of pulp raw material, the pulp raw material is sucked while the volume of pulp raw material is sucked. The pulp molding is formed as the desorbed pulp having the mold is adsorbed on the surface of the molding lower mold, and the upper mold located above the molding lower mold to which the molded pulp molding is adsorbed is lowered of the lifting cylinder configured at the top of the upper mold. Strongly lowered, the pulp molding is taken over to the upper mold with close contact with the molding lower mold, and conveyed to one side by a conveying means configured on one side of the upper mold in which the pulp molding is adsorbed, the conveyed upper The lower mold fixed to the outer periphery of the turntable is located below the mold, and the upper mold is lifted. In the upper mold in close contact with each other to fall by the cylinder block and the power of the suction force and the suction force is generated in the lower mold, a mold forming step of transferring a pulp molded article in the lower mold; The upper mold of the primary drying means having the built-in heating wire is lowered to the lowering force of the lifting cylinder by absorbing the pulp molding material transferred to the primary drying means through the forming step, and the heating wire is in close contact with the lower mold. A first drying step of first drying by heat dissipation; When the lower mold adsorbed the pulp molding first dried through the primary drying step is located below the stamping drying means by the split rotational force of the splitting rotation means, the upper mold configured in the stamping drying means is lowered, Stamping a special character in the mold of the mold, the drying (secondary drying) step so that the special character is imprinted on the pulp molding when in close contact with the lower mold; The lower mold which adsorbs the pulp molding imprinted with the special character through the stamping drying step is located under the tertiary drying means by the split rotational force of the splitting rotation means, and the upper mold of the tertiary drying means is lowered, A third drying step of tertiaryly drying the stamped dried pulp molding according to mutual contact with the lower mold; And the upper mold is conveyed to one side by a conveying means configured on one side of the upper mold adsorbed the pulp molding, and the extraction step of discharging the pulp molding to the outside by free fall by blocking the suction force in the upper mold It is characterized by.

In the present invention, the molding step includes the step of raising the predetermined height of the molding lower mold adsorbed pulp molding by a lower molding lifting cylinder; A washing tube formed with a plurality of washing nozzles for spraying low pressure washing water from above the raised molding lower mold is transported along the guide rail to provide moisture to the desorbed pulp adsorbed to form an even distribution of pulp moldings and a molding lower mold. Residual pulp washing step to wash the remaining pulp material in the outer periphery of the frame; And after the washing is completed, the upper mold is lowered to the lower mold side so that the pulp molding is turned over to the upper mold with close contact with the molding lower mold.

According to the present invention, the molding step is characterized by two molding steps are alternately made to significantly reduce the manufacturing time.

In addition, the transfer means used in the forming step is preferably to use a link-type transfer device, it is also possible to horizontally move the upper mold by using the rack and pinion method.

In another aspect, the present invention may further include the step of conveying the pulp molding extracted in the extraction step as a conveyor for loading in a predetermined place.

Hereinafter, the present invention will be described with reference to the accompanying drawings.

Figure 4 is a manufacturing process chart of the pulp mold according to the present invention, Figure 5 is a front view of a turntable type pulp mold manufacturing apparatus particularly suitable for practicing the present invention, Figure 6 is a plan view of Figure 5, Figure 7 is a 8 is a front view of the drying means according to FIG. 5, and FIG. 9 is a front view of the extraction means according to FIG. 5, which is referred to.

As an example of the pulp mold manufacturing apparatus used in the turntable manufacturing process according to the present invention, the turntable pulp mold manufacturing apparatus is a base 10, a plurality of fixed to the top of the base 10, partitioned fixed The divided mold rotating part 20 for rotating the lower mold 220 in a regular fraction, and is positioned above the lower mold 220 of the divided mold rotating part 20, and the molding part is configured to form, dry and extract the pulp molding.

The dividing rotation unit 20 is fixed to the upper end of the base 10, the dividing rotating means 210 configured to generate a positive dividing rotation force by a predetermined angle of the forward rotation of the motor, and the upper end of the dividing rotating means 210 It is fixed and installed on the turntable 230 and the upper periphery of the upper end of the turntable 230 by the forward rotational force generated by the division rotation means 210, and at regular intervals in accordance with the angle of the forward division force A plurality of fixed lower molds 220, and the center of the upper end of the turntable 230, each of the plurality of lower molds 220 and the air for power and vacuum suction force or demoulding, cooling water for cooling each device And dispensing means 240 that does not interfere with the forward rotation of the turntable 230.

In addition, the lower end of the turntable 230 is struck or vibrated by the weight of the plurality of lower molds 220 fixed to the upper end of the turntable 230 when the rotation is a regular division by the division rotation force of the division rotation means 210 A plurality of horizontal bearing bearings 250 are configured to prevent shaking by providing a support force so as to rotate precisely and accurately.

The molding unit adsorbs the pulp raw material to form a pulp molding, the shaping means 340, the drying means 350 for drying the pulp molding containing water, and the extraction means 360 for discharging the dried pulp molding to the outside. It consists of

In addition, the molding part is installed on the upper mold 310 and the upper mold 310 to be in close contact with the lower mold 220, the lifting cylinder 320 for raising and lowering the upper mold 310. Are commonly configured, and the structure of the upper mold and the lifting cylinder is changed according to each means.

Referring to FIG. 7, the forming means 340 includes a fixed frame having a lower end fixed to the base 10 and an upper mold 310 and an elevating cylinder 320 on an upper end of the fixed frame. Is installed, the guide frame for guiding the upper mold 310 to slide to one side is installed on the upper end of the fixed frame, the transfer means 330 is configured on one side of the upper mold (310).

In addition, the fixed frame is formed with a storage tank 344, the molding lower mold 342 is installed therein, and a molding lift cylinder 346 at the lower end of the storage tank 344, the molding cylinder 346 is Lifting and lowering the molding lower mold 342, and also between the lower end of the molding elevating cylinder 346 and the lower mold 342, an external vacuum suction force and a demolding error is provided to the molding lower mold 342. The vacuum suction tube is delivered to.

In addition, the transfer means 330 is preferably configured in a link system to reciprocally slide the upper mold 310 according to the forward and reverse rotation of the motor, but is not limited thereto, and may employ a sub-motor method capable of precise control. Can be.

Therefore, the forming means 340 is fixed to the upper end of the turntable 230 by the upper means 310, the upper mold 310 is reciprocally sliding along the guide rail by the transfer means 330 to the upper end of the turntable 230 Transfer to the lower mold (220).

On the other hand, the upper portion of the storage tank 344 is preferably configured with a washing means 370 for washing the surface of the molding lower mold 342, the washing means 370 is both ends of the storage tank 344 A guide rail 372 fixed to each of the longitudinal direction, and connected between both ends of the guide rail 372, consisting of a washing tube 374 formed with a plurality of washing nozzles 376 below, the washing tube 374 ) Is transported along the longitudinal direction of the guide rail 372, to wash the surface of the molding lower mold (342).

In addition, the washing water sprayed from the washing nozzle 376 is preferably sprayed low or high pressure depending on the state of the molding lower mold (342).

Here, the forming means 340 is formed in plural, the auxiliary storage tank 344 in the washing and storage tank 346 in the other forming means 340 while generating the pulp molding in one of the forming means 340 It is desirable to configure to reduce the production time of the pulp molding by operating to provide the pulp raw material.

Referring to FIG. 8, the drying means 350 includes an upper mold 310 and a lifting cylinder 320 at an upper end of a fixed frame having a lower end fixed to the base 10, wherein the upper mold 310 is elevated. It is configured to be vertically raised and lowered by the cylinder 320, the inside of the upper mold 310 is preferably a plurality of heat wires that can dissipate heat, but is not limited thereto, the heat in the upper mold 310 Alternatively, the hot air may be configured to dissipate, and heat is blocked by the insulation to prevent heat from dissipating to the outside.

In particular, the drying means 350 is composed of a plurality, the primary drying means 352 for first drying the pulp molding containing a large amount of water generated through the forming means 340, and the primary drying means ( 352) by pressing the primary dried pulp molding, the stamping drying means 354 to imprint a pattern or logo and mark therein, and the pulp moldings imprinted through the stamping drying means 354 It is preferable that the secondary drying means 356 to dry.

Here, the marking drying means 354 is located between the primary and secondary drying means 352 and 356 because the marking drying means 354 can be surely imprinted by the state of the pulp molding, which is the primary drying means. Since the pulp molding of 352 contains a lot of water, it can be easily crushed by water after stamping, and the pulp molding of the secondary drying means 356 has difficulty in marking because it contains little moisture.

Of course, the position of the stamping drying means 354 can change its position according to the pulp molding, and the stamping drying means 354 has an upper mold (320) having an excellent output moment so that a strong pressing force is applied. Preferably at 310).

Referring to FIG. 9, the extracting means 360 has a configuration similar to the forming means 340, and includes a fixing frame fixed to the top of the base 10 and a guide rail extending to one side of the upper end of the fixing frame. The upper mold 310 and the lifting cylinder 320 sliding along the guide rail are configured on the top of the guide rail.

In addition, the conveying means 330 for sliding the upper mold 310 is configured on one side, the conveying means 330 is preferably configured to have the same configuration as the conveying means 330 of the forming means 340. Do.

In particular, the lower end of the fixed frame is preferably installed on the conveyor (C) to operate in conjunction with the external device, the post-processing of the product according to the automation system printing, printer, product inspection, coating, laminating, box packaging, bending, It can create favorable conditions that can be further implemented for unmanned automation such as product loading and counting.

Therefore, the extraction means 360 is configured to take over the pulp molding adsorbed on the lower mold 220 and discharge it to the outside, and similar molding means 340 to the pulp molding produced outside to the lower mold 220. It is configured to take over.

On the other hand, the turntable pulp mold manufacturing apparatus of the present invention as shown in Figure 5 is preferably configured to complete one cycle as the rotation is divided by 60 ° each, in this case, six lower mold 220 is set on the turntable 230 It is installed to be divided into partitions, and, in addition, the forming unit constitutes the forming means 340 in two zones, the drying means 350 in three zones, and the extraction means 360 in one zone, thereby forming a plurality of forming means 340. It is desirable to configure to maximize the productivity by shortening the manufacturing cycle by generating a continuous pulp molding alternately in the).

Of course, the present invention is not limited thereto, and the divided rotation angle and the number of lower molds and the number of installation of each means may be varied according to the pulp molding to be molded.

Looking at the pulp mold manufacturing process of the present invention using the turntable type pulp mold manufacturing apparatus configured as described above are as follows.

Molding step (S10) is a step of molding the pulp molding through the molding means of the molding unit, which is a molding lower mold 342 is installed inside, and stores the pulp raw material supplied from the outside, due to the overflow formed on one side In the storage tank 344 which maintains a constant pulp material storage level at all times, when the molding lower mold 342 is supplied with the vacuum suction input provided through the vacuum suction pipe, the stored pulp material is sucked by the vacuum suction input.

In addition, the desorbed pulp having a volume among the sucked pulp raw materials is adsorbed to the mold of the molding lower mold 342, and the pulp molding is adsorbed as moisture is discharged to the outside by the suction force (S11).

Residual pump washing step (S12) is the molding lower mold in which the pulp molding is produced rises a certain height to the lifting force of the molding elevating cylinder, and also remaining on the outer mold mold of the molding lower mold by the washing means provided above the storage tank. It is a step of washing the deinking pulp.

This causes the pulp molding to be cleaned by the cleaning means 370 above the lower mold 342 on the surface by adsorption of the pulp material.

At this time, the washing means 370 is the washing pipe 374 is transported along the guide rail 372, the washing water is injected through a plurality of washing nozzles 376, the washing water is low pressure, this is a molded lower mold Moisture is supplied to the desorbed pulp adsorbed to 342 to maintain an even distribution, and in particular, to remove the desorbed pulp remaining on the outer mold circumference of the mold lower mold 342, that is, not subjected to adsorption, By strengthening the mutual adhesion with the mold, the failure rate is minimized.

Then, the step (S13) is the upper mold located above the molding lower mold in which the pulp molding is adsorbed through the washing step (S12) is lowered to the lower strength of the lifting cylinder configured on the upper mold, the molding lower mold The pulp molding is turned over to the upper mold together with close contact with each other.

The upper mold 310 is lowered by the lifting force of the elevating cylinder 320, and the upper mold 310 is raised to a lower portion of the molding die 342 having a predetermined height, which absorbs the pulp molding formed in the storage tank 344. ) And the molding lower mold 342 are in close contact with each other. At this time, the molding lower mold 342 blocks the suction force and provides air through the vacuum suction tube. When the suction force is generated in the upper mold 310, The pulp molding adsorbed to the molding lower mold 342 is turned over to the upper mold 310.

In addition, the upper mold 310 which has received the pulp molding is raised and returned by the lifting force of the lifting cylinder 320.

In addition, since the operating state of the washing means 370 has the same operating state as described above, a detailed description thereof is omitted, and the washing water sprayed through the washing nozzle 376 at this time is a high pressure, which is a molded lower mold ( 342) to remove the remaining demulping pulp.

Then, the high pressure washing step (S22) is transferred to one side by a conveying means configured on one side of the upper mold adsorbed pulp molding, the lower mold is fixed to the outer periphery of the turntable below the transferred upper mold, The upper mold transfers the pulp molding to the lower mold with close contact with each other by the lowering force of the lifting cylinder.

It is located above the lower mold 220 fixed to the upper outer periphery of the turntable 230 while the upper mold 310 adsorbed pulp molding is slid to one side by a conveying means 330 configured on one side, wherein the upper mold 310 The mold 310 is lowered by the lowering force of the elevating cylinder 320 so that the upper mold 310 and the lower mold 220 are in close contact with each other. In this case, the upper mold 310 blocks the suction force, and the lower mold 220 When suction force is generated at), the pulp molding adsorbed to the upper mold 310 is turned over to the lower mold 220.

In addition, the upper mold 310, which takes over the pulp molding to the lower mold 220, is raised by the lifting force of the lifting cylinder 320, and is returned to the initial position by the return sliding of the transfer means 330.

The primary drying step (S20) is a step of primary drying the pulp molding as the upper mold of the primary drying means is in close contact with the lower mold which adsorbed the pulp molding.

When the lower mold 220 which adsorbs the pulp molding is positioned below the primary drying means 352 by the division rotation force of the division rotation means 210, the heating die formed in the primary drying means 352 is embedded. While the upper mold 310 descends by the lowering force of the elevating cylinder 320, the upper mold 310 closely adheres to the lower mold 220, thereby primarily drying the pulp molding.

When the primary drying is completed, the upper mold 310 is raised by the lifting force of the elevating cylinder 320, and is returned to its original position. The lower mold 220 adsorbing the primary dried pulp molding is divided by rotation means. It is divided by the division rotational force of 210, and is located under the marking drying means 354. As shown in FIG.

The stamping drying (secondary drying) step (S30) is the upper mold of the stamping drying means, if the lower mold adsorbed the pulp molding first dried through the first drying step (S20) is located below the stamping drying means. The lowering, pressing the pulp molding, the special characters such as a pattern or a logo formed on the mold of the upper mold is stamped on the pulp molding.

It is located below the stamping drying means 354 when the lower mold 220 adsorbed the first dried pulp molding is located, the upper mold 310 configured in the stamping drying means 354 is lowered to the lifting cylinder 320 Lowered by strength, because the mold of the upper mold 310 is embossed or engraved patterns or logos and various letters, when the lower mold 220 and the upper mold 310 are in close contact with each other embossed or engraved Special characters are stamped on the pulp molding, and since the upper mold 310 has a built-in hot wire, drying is performed at the same time.

In addition, when the stamping operation is completed, the upper mold 310 is returned to its original position by being raised by the lifting force of the lifting cylinder 320, the lower mold 220 is the third rotation by the division rotation force of the division rotation means (210) It is conveyed below the drying means 356.

Of course, in order to maximize the stamping effect, the lifting cylinder 320 may be configured as a single lifting cylinder having a plurality or high power on the upper end of the upper mold 310.

The third drying step (S40) is a step of drying the pulp molding by close contact with the upper mold is lowered to the lower mold that adsorbed the pulp moldings imprinted with a special character through the stamping drying step (S30).

The upper mold 310 is in close contact with the upper mold 310, which is lowered by the lowering force of the lifting cylinder 320, as the lower mold adsorbs the imprinted pulp molding material to the tertiary drying means 356. The pulp molding is dried 3rd by the heating wire built in).

In addition, when the tertiary drying is completed, the upper mold 310 is returned to the lifting force of the lifting cylinder 320, the lower mold 220 to the extraction means 360 by the split rotation force of the split rotation means (210). Is located.

The lower mold 220 is the lower mold 220 is adsorbed to the extraction means 360, the lower mold 220 is adsorbed to the extraction means 360, the lower mold 220 is adsorbed to the pulp molding after the tertiary drying is completed. When the configured upper mold 310 is lowered by the lifting cylinder 320, the upper mold 310 and the lower mold 220 are in close contact with each other.

In this case, the lower mold 220 blocks the suction force, and when the suction force is generated in the upper mold 310, the pulp molding adsorbed to the lower mold 220 is absorbed into the upper mold 310, and the upper mold ( As the upper mold 310 is raised by the lifting force of the lifting cylinder 320 of the 310, it is returned.

Of course, the lower mold 220 is to take the pulp molding to the upper mold 310 and then divided and rotated by the dividing rotational force of the dividing rotation means 210, as it is located below the forming means 340 of the pulp molding Wait for molding.

Extraction step (S50) is the upper mold is transferred to one side by a transport means configured on one side of the upper mold adsorbed pulp molding through the third drying step (S40), the pulp molding by blocking the suction force in the upper mold This free fall is to discharge to the outside.

This is the upper mold 310 adsorbed pulp molding is slid to one side by the conveying means 330 configured on one side, at this time the suction force is blocked in the upper mold 310 and the pulp molding is supplied with air for demolding The mold is demolded by the die, freely falls downward, and is discharged to the outside.

Of course, the upper mold 310 is preferably provided with a discharge air pressure for easy separation of the pulp molding, and further comprises a conveyor (C) below the upper mold 310, through the conveyor (C) It is preferable to connect the dropped pulp molding to another device so as to automatically collect or rework.

In addition, it is preferable that the pulp molding is operated to be separated from the upper mold 310 in a state where the upper mold 310 is lowered by a lowering force of the elevating cylinder 320 for easy collection of the pulp molding.

As described above, the turntable type pulp mold manufacturing method of the present invention reduces the conventional pulp mold manufacturing process by half cycles through a plurality of molding steps, and also a washing step is performed in the plurality of molding steps, in particular, after primary drying, Secondary drying) and third drying can eliminate the defective rate of the stamping process, and by alternately performing the molding step, the overall productivity is maximized to have product competitiveness.

Although the present invention has been described with reference to the accompanying drawings, the present invention is not limited thereto, but many variations and modifications may be made within the scope of the following claims.

Claims (5)

In the pulp molding production method for producing a pulp mold molding using a pulp raw material, When the vacuum suction input is provided by the lowering of the lifting cylinder configured in the lower part of the molding lower mold installed inside the storage tank storing a certain amount of pulp raw material, the pulp raw material is sucked into the surface of the molding lower mold which has a volume of the pulp raw material. After molding the pulp molding as adsorbed on, the upper mold located above the molding lower mold to which the molded pulp molding is adsorbed is lowered by the lowering force of the lifting cylinder configured at the upper end of the upper mold, and the molding lower mold And pulp moldings are turned over to the upper mold together with mutual contact with each other, and the pulp moldings are transferred to one side by a conveying means configured on one side of the upper mold on which the pulp moldings are adsorbed. Fixed lower mold is located, the upper mold is mutually lowered by the lowering force of the lifting cylinder To block the suction at the upper mold with fruiting, and the suction force is generated in the lower mold, a mold forming step of transferring a pulp molded article in the lower mold (S10); The upper mold of the primary drying means having a heating wire is lowered to the lowering force of the lifting cylinder by adsorbing the pulp molding material transferred to the primary drying means through the forming step (S10), and is in close contact with the lower mold. A first drying step (S20) to be dried first with heat dissipation by heat rays; When the lower mold adsorbed the pulp molded product first dried through the primary drying step (S20) is located below the stamping drying means by the split rotational force of the splitting rotation means, the upper mold configured in the stamping drying means is lowered. In the mold of the upper mold, a special character is stamped, the stamping drying (secondary drying) step so that the special character is stamped on the pulp molding when in close contact with the lower mold (S30); The lower mold adsorbing the pulp moldings imprinted with the special characters through the stamping drying step (S30) is positioned below the tertiary drying means by the dividing rotational force of the dividing rotating means, and the upper mold of the tertiary drying means is lowered. By tertiary drying step (S40) for tertiary drying the stamped dried pulp molding according to mutual contact with the lower mold; And An extraction step (S50) in which the upper mold is transferred to one side by a conveying means configured on one side of the upper mold adsorbing the pulp molding, and the pulp molding is discharged to the outside as free fall by blocking the suction force from the upper mold; Turntable type pulp mold manufacturing method characterized in that consisting of. The method of claim 1, The molding step (S10), A step of raising a predetermined height of the lower mold by adsorbing the pulp molded product by a lowering lifting cylinder (S11); A washing tube formed with a plurality of washing nozzles for spraying low pressure washing water from above the raised molding lower mold is transported along the guide rail to provide moisture to the desorbed pulp adsorbed to form an even distribution of pulp moldings and a molding lower mold. Residual pulp washing step (S12) to wash the pulp material remaining on the outer periphery of the frame; And After the washing is completed, the upper mold is lowered to the lower mold side and the close mold and the pulp molding with the mutual close contact with the molding lower mold (S13), characterized in that it comprises a turntable type pulp mold manufacturing method . The method of claim 2, The molding step (S10), A method for producing a turntable pulp mold, characterized in that two forming steps are alternately performed. The method according to claim 1, wherein the conveying means used in the forming step is a link type conveying apparatus. The method of claim 1, further comprising the step of conveying the pulp moldings extracted in the extraction step (S50) as a conveyor for loading in a predetermined place.

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