KR100448171B1 - a pulp cup manufacturing apparatus - Google Patents

Abstract

The present invention relates to a pulp container automatic molding apparatus for molding a pulp container of a certain type by pressurizing a molding material mainly composed of pulp with a press die. Since the pulp container is molded with the molding mold of the mold, the overall structure is complicated, and the production is cumbersome and bulky, which takes up a lot of installation space and work space, and the overall molding time including the molding time, drying time, and ejection time. There was a problem such that the productivity is greatly reduced and the production cost is high, and the molding material stuck to the molding mold has to be artificially cleaned in the process of forming the pulp container. Vacuum adsorption / separation had a problem of further lowering productivity The first upper mold 10 having the mold protrusions 11 and 21, the second upper mold 20, and one lower mold 30 corresponding to each upper mold 10, 20 are formed. Firstly drying the pulp container (1) with the first upper mold (10) and the lower mold (30) and then secondly drying the pulp container (1) with the second upper mold (20) and the lower mold (30). , By installing a washing tank 50 having a high-pressure spray nozzle 51 on one side of the molding tank 40 to be filled with the molding raw material to automatically wash the vacuum adsorption / separation molding protrusion 11 of the first upper mold 10. According to the present invention characterized in that it is possible to do so by installing two upper molds 10, 20 and one lower mold 30 at both the upper and lower sides of the molding tank 40 at the same time a large amount In addition to being able to mold the pulp container (1), it is possible to produce different pulp containers (1) at the same time, the overall structure is simple and inexpensive The first upper mold can be manufactured through a washing tank 50 in which a molding apparatus can be manufactured, and an overall volume is small, thereby not occupying much of an installation space and a work space, and a high pressure spray nozzle 51 is provided. The vacuum adsorption / separation molding protrusion of the machine can be automatically cleaned, thereby making it possible to form a higher quality pulp container (1) as well as reducing the downtime, thereby improving productivity. Will be obtained.

Description

Pulp container automatic molding machine {a pulp cup manufacturing apparatus}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pulp container automatic molding apparatus, and more particularly, to press molding material containing pulp as a main material with a press die to automatically mold a pulp container of a certain type.

Generally, a container using paper, including a paper cup or a ramen container, is often manufactured by cutting and rolling a piece of paper, and when manufacturing a paper container in such a manner, the paper is divided into a container body molding part and a bottom plate molding part. Cutting and bending both molding parts is cumbersome, and the molding cost is relatively high, and a lot of scrap is generated after cutting the paper, which leads to waste of resources, and above all, the overall shape is simply cylindrical or conical. There is a problem that there is no choice but to mold.

In comparison, when the pulp container is press-molded using the pulp, the molding time is relatively short, which improves workability, eliminates the occurrence of scrap, and enables the production of a wider variety of containers. Such a pulp container automatic molding apparatus mixes the pulp with water, chemicals, pigments, adhesives, etc., and supplies the molding material at a constant concentration and temperature to the press mold to automatically mold the pulp container.

However, the conventionally proposed pulp container automatic molding machine is more than three sets of molding molds because the pulp container is molded, the overall structure is complicated, the production is cumbersome and bulky, occupying a lot of installation space and work space. In addition, there is a problem that the overall molding time, including the molding time, drying time, take-out time, etc. takes a lot, and the productivity is greatly reduced and the production cost is increased.

In addition, the conventional pulp container automatic molding apparatus had to artificially wash the molding material stuck to the molding mold in the pulp container molding process, which has a problem that the work is cumbersome and the work stop time is lengthened to further reduce productivity.

The present invention has been made in view of the defects of the conventional pulp container automatic molding apparatus as described above, and its purpose is to make it easy to manufacture with a small number of molding molds and small volumes, as well as easy to pulp container with excellent quality. It is to provide a pulp container automatic molding apparatus that can be manufactured at low cost, and another object thereof is to provide a pulp container automatic molding apparatus that can easily wash the molding raw material stuck to the molding mold during the molding process. It is in

1 is a front view of one embodiment of the present invention

2 is a plan view of the embodiment;

3 is a right side view of the embodiment;

4 is a cross-sectional view taken along the line A-A of FIG.

5 is a perspective view of the pulp container completed through the embodiment

<Description of Symbols for Main Parts of Drawings>

1: pulp container 10: first upper mold

11: vacuum adsorption / separation molding protrusion 12: upper transfer body

13: left and right transfer cylinder 14: Shanghai Song cylinder

20: second upper mold 21: vacuum adsorption / separation molding protrusion

22: upper fixing body 24: Shanghai Song cylinder

30: lower mold 31: molding groove

35: front and rear transfer cylinder 40: molding tank

50: washing tank 51: high pressure jet nozzle

60: frame 61a, 61b, 61c: horizontal support bar

62a, 62b, 62c, 62d: vertical support rod

63a, 63b, 63c: horizontal support bar 70: ejection part

In order to achieve the above object, the present invention provides a first upper mold and a second upper mold, each having a vacuum adsorption / separation molding protrusion and an electric heater, and one lower mold corresponding to each upper mold. The first mold is dried by firstly drying the pulp container with the lower mold and then secondly drying the pulp container with the second upper mold and the lower mold, and installing a washing tank having a high pressure spray nozzle on one side of the molding tank filled with the molding material. The vacuum adsorption / separation molding protrusion of the mold is characterized in that it can be automatically washed, etc. Hereinafter, the specific technical details will be described in more detail based on the accompanying drawings.

That is, the pulp container automatic molding apparatus of one embodiment of the present invention is shown in Figure 1 to Figure 4, the pulp container automatic molding apparatus of the present invention is installed in the lower rear center of the frame 60 and the amount of molding raw material The first upper mold 10 having at least one vacuum adsorption / separation molding protrusion 11, respectively, is freely installed in the left and right directions and the vertical direction on both sides of the forming tank 40 to which the mold is supplied. The lower mold 30 having the molding groove 31 corresponding to the vacuum adsorption / separation molding protrusion 11 of the first upper mold, respectively, is freely transported in the front and rear directions on both sides of the 40, and each first upper portion The second upper mold 20 having the vacuum adsorption / separation molding protrusion 21 corresponding to the molding groove 31 of the lower mold 30 in front of the mold 10 is freely transported in the vertical direction, and the molding is performed. Washing provided with a plurality of high-pressure spray nozzles 51 at both lower sides of the tank 40 Fixed installation (50), and will be hayeoseo providing a take-out section 70 to allow to extract the pulp container 1 is completed in front of the forming tank (40).

In the illustrated embodiment, each of the first upper molds 10 has an upper center horizontal support bar (of the horizontal support bars 61a, 61b, and 61c) provided at the upper front, the upper center, and the upper rear of the frame 60. It is installed on the lower portion of the upper transfer body 12 is supported between the 61b) and the upper rear horizontal support bar (61c) to be transported in the left-right direction, the upper center horizontal support bar (61b) and the upper rear horizontal support bar (61c) The left and right transfer cylinder 13 is connected to the upper transfer body 12 and transfers the upper transfer body 12 and the lower first upper mold 10 to the left and right directions, and the upper transfer body 12 In the upper portion, a shanghai transfer cylinder 14 is connected to the first upper mold 10 so as to transfer the first upper mold 10 in the vertical direction.

And each of the second upper mold 20 is installed in the lower portion of the upper fixed body 22 which is fixed to the upper front horizontal support bar (61a) and the upper central horizontal support bar (61b), The upper portion is provided with a shanghai Song cylinder 24 connected to the second upper mold 20 to transfer the second upper mold 20 in the vertical direction.

In addition, the lower mold 30 has a lower one side of the vertical support bar (62a, 62b, 62c, 62d) provided on the lower one side, the lower center one side, the lower center other side, the lower other side of the frame 60 ( 62a) and between the lower central one side vertical support bar 62b and between the lower middle other vertical support bar 62c and the lower other vertical support bar 62d, respectively, so as to be movable in the front and rear directions, respectively. Front and rear transfer cylinders 35 which are connected to each lower transfer body 32 to 62a and the other lower vertical support rod 62d to transfer the lower transfer body 32 and the lower mold 30 thereon in the front-rear direction. Is installed.

On the other hand, the molding tank 40 and the cleaning tank 50 in which a plurality of injection nozzles 51 are provided through a separate molding raw material supply mechanism (not shown) are provided in the lower front and lower center of the frame 60, And among the horizontal support rods (63a) (63b) (63c) provided in the lower rear fixedly installed between the upper center horizontal support rod (63b) and the upper rear horizontal support rod (63c) and at the same time the molding tank (40) It is installed between one vertical support rod 62b and the lower center other vertical support rod 62c, and the washing tank 50 is between the lower one vertical support rod 62a and the lower center one vertical support rod 62b and the other lower center. It is provided in the position lower than the shaping | molding tank 40 between the vertical support rod 62c and the lower other vertical support rod 62d.

In the present invention configured as described above is installed on both sides of the upper rear of the frame 60 and installed on both sides of the lower portion of each of the first upper mold 10 and the frame 60 moved in the left and right direction and the vertical direction to move in the front and rear direction The pulp container 1 is primarily molded and dried through the lower mold 30, and the second upper mold 20 and the lower mold 30 installed on both sides of the upper front of the frame 10 and moved in the vertical direction. Pulp container (1) through the secondary molding and drying, and the finished pulp container (1) easily with a separate take-out mechanism and take-out conveyor (not shown) installed in the take-out portion 70 of the lower front center of the frame 10 It will be able to withdraw, and the operation | movement is demonstrated below as follows.

That is, when the left and right transfer cylinders 13 connected to the one upper transfer body 12 supporting the first upper mold 10 of the upper rear one side of the frame 60 are compressed, the one upper transfer body 12 and one side agent are compressed. The first upper mold 10 moves to the upper rear center of the frame 60, and in this state, when the Shanghai Song Cylinder 14 is extended, the first upper mold 10 which descends is the lower rear center of the frame 60. The vacuum suction / separating molding protrusions of the first upper mold 10 are operated by suctioning a vacuum suction mechanism (not shown) which is introduced into the molding tank 40 positioned in the suction chamber and is connected to the first upper mold 10. Molding material of a certain thickness is adsorbed on the outer surface of (11).

In the above, the Shanghai Song cylinder 14 is compressed to lift the first upper mold 10, and the left and right transfer cylinder 13 is extended to return the first upper mold 10 to the original position on one side of the upper rear of the frame 60. At the same time, the front and rear transfer cylinder 35 of the lower mold 30 is compressed to place the lower mold 30 on the lower rear side of the frame 60, and then the heat transfer heater built in the first upper mold 10 (not shown). The vacuum adsorption / separation molding protrusion 11 of the first upper mold 10 is inserted into and coupled to each of the molding grooves 31 of the lower mold 30 while the Shanghai Song Cylinder 14 is extended again while operating the The pulp container 1 is first molded and dried.

When the primary molding drying operation is completed as described above, when the vacuum suction device (not shown) connected to the first upper mold 10 is discharged and the Shanghai Song Cylinder 14 is compressed, the primary molding dried pulp container 1 The first upper mold 10 separated from each vacuum suction / separation molding protrusion 11 is raised, and the lower mold 30 is extended by extending the front and rear transfer cylinder 35 of the lower mold 30. 2nd upper part which descends when the Shanghai Song cylinder 24 of the 2nd upper mold 20 is extended, while operating the heat transfer heater (not shown) built into the 2nd upper mold 20 after positioning on the lower front one side of Each vacuum suction / separation molding protrusion 21 of the mold 20 is coupled to the pulp container 1 inserted into each molding groove 31 of the lower mold 30, so that the pulp container 1 is secondary molded and dried. do.

When the secondary molding drying operation is completed in the above, the vacuum suction mechanism (not shown) connected to the second upper mold 10 is suction-operated to complete each pulp container 1 for each vacuum of the second upper mold 10. After adsorbing to the adsorption / separation molding protrusion 21 and compressing the Shanghai Song cylinder 24 of the second upper mold 20, each pulp container 1 together with the second upper mold 20 can be raised. When the vacuum suction mechanism connected to the second upper mold 10 is discharged and operated while the blowout mechanism (not shown) is positioned below the second upper mold 20, the completed pulp container 1 is taken out into the discharge mechanism. It can be dropped and pulled out.

In the present invention, the pulp container 1 is similarly provided through the first molding mold 10 and the second molding mold 20 on the other side of the frame 60 and the lower mold 30 on the other side of the bottom of the frame 60. It is possible to mold, and each of the left and right transfer cylinder 13, each of the shanghai transfer cylinder 14, each of the second upper mold 20, which transfers each of the first upper mold 10 in the left and right direction and the vertical direction, Each shanghai transfer cylinder 24 to be transferred to the front, each front and rear transfer cylinder 35 to transfer the lower mold 30 in the front and rear direction, the vacuum suction mechanism, the heat transfer heater and the like are automatically controlled by a separate control circuit.

On the other hand, in the present invention, when the molding raw material is pressed against each vacuum adsorption / separation molding protrusion 11 of each first molding mold 10 in which the pulp container 1 is first formed by a predetermined number of times or more, the function is deteriorated. Each vacuum adsorption / separation molding protrusion 11 of the mold 10 can be automatically cleaned, and during the cleaning operation, the molding operation is paused and the lower mold 30 is transferred to the front of the frame 60. In the state in which the first upper mold 10 is lowered through the Shanghai Song Cylinder 14 than when the pulp container 1 is first molded and dried, the first upper mold 10 is lower than the rear of the frame 60. Injecting the cleaning liquid through the high pressure spray nozzle 51 of the washing tank 60 after the injection into the washing tank 60 located in each vacuum adsorption / separation molding protrusion 11 of each first molding mold (10) It is possible to quickly and easily wash the molding raw material pressed on.

As described above, the present invention corresponds to the first upper mold 10 and the second upper mold 20 having the vacuum adsorption / separation molding protrusions 11 and 21, and the upper molds 10 and 20. The first upper mold 10 and the lower mold 30 is provided with one lower mold 30, and the pulp container 1 is first molded and dried into the second upper mold 20 and the lower mold 30. Secondary molding drying of the pulp container (1) while the vacuum tank adsorption of the first upper mold (10) by installing a washing tank (50) having a high-pressure jet nozzle (51) on one side of the molding tank 40 is filled with molding materials In order to automatically wash / separate molding protrusion 11, according to the present invention, the upper and lower sides of the forming tank 40, respectively, two upper molds (10) and one lower mold (30) ) Can be used to form a large amount of pulp container (1) at the same time, as well as to produce different pulp containers (1) at the same time, It is possible to produce a pulp container automatic molding apparatus simply and inexpensively because of a simple jaw, and the overall volume is small, so that the effect of not taking up much installation space and work space can be obtained.

In addition, according to the present invention, it is possible to automatically wash the vacuum adsorption / separation molding protrusion of the first upper mold through the washing tank 50 in which the high pressure injection nozzle 51 is provided, thereby forming a higher quality pulp container 1. In addition to being able to reduce downtime, productivity can be further improved.

Claims (5)

A first having a molding tank 40 through which a molding material is supplied at a lower rear center of the frame 60, and having at least one vacuum adsorption / separation molding protrusion 11 at both rear sides of the upper part of the frame 60; The upper mold 10 is installed freely in the horizontal direction and the vertical direction, the molding groove corresponding to the vacuum adsorption / separation molding protrusion 11 of each of the first upper mold 10 on both sides of the lower frame 60 ( The lower mold 30 having 31) is freely installed in the front and rear directions, respectively, and the vacuum adsorption / separation molding protrusion corresponding to the forming grooves 31 of the lower molds 30 at both front sides of the upper part of the frame 60. A take-out part 70 which allows the second upper mold 20 having the 21 to be freely installed in the vertical direction while allowing the finished pulp container 1 to be taken out at the center of the lower front of the frame 60. Pulp container automatic molding machine characterized in that provided. The pulp container automatic molding apparatus according to claim 1, wherein a washing tank (50) provided with a plurality of high-pressure jet nozzles (51) is fixedly installed on both lower rear sides of the frame (60). The upper portion of the horizontal support bars (61a) (61b) (61c) according to claim 1 or 2, wherein each of the first upper molds (10) is provided at an upper front, an upper center, and an upper rear of the frame (60). It is installed on the lower portion of the upper transfer body 12 which is supported between the central horizontal support bar (61b) and the upper rear horizontal support bar (61c) so as to be transportable in the left and right directions, the upper middle horizontal support bar (61b) and the upper rear horizontal It is connected to the upper transfer body 12 to the support rod (61c) to install the left and right transfer cylinder 13 for transferring the upper transfer body 12 and the lower first upper mold 10 in the left and right direction, the upper transfer The second upper mold 20 is installed on the upper portion of the body 12, while the Shanghai Song Cylinder 14 is connected to the first upper mold 10 to transfer the first upper mold 10 in the vertical direction. The lower part of the upper fixing body 22 fixedly installed on the upper front horizontal support bar 61a and the upper central horizontal support bar 61b. It is installed in the upper portion, the upper portion of the upper fixed body 22 is connected to the second upper mold 20, the Shanghai Song cylinder 24 for transferring the second upper mold 20 in the vertical direction, characterized in that the installation Pulp container automatic molding machine. The vertical support rod (62a) (62b) (62c) (3) according to claim 1 or 2, wherein the lower mold (30) is provided on the lower one side, the lower center one side, the lower middle other side, and the lower other side of the frame (60). It is possible to transfer in the front-rear direction between the lower one side vertical support bar 62a and the lower center one side vertical support bar 62b, and between the lower center other vertical support bar 62c and the lower other vertical support bar 62d. It is installed on the upper portion of the lower transfer body 32 is supported, and is connected to each lower transfer body 32 to the lower one side vertical support rod (62a) and the lower other vertical support rod (62d), the lower transfer body 32 and Pulp container automatic molding apparatus characterized in that the front and rear transfer cylinder 35 for transferring the lower mold 30 of the upper portion in the front and rear direction. The transverse support according to claim 1 or 2, wherein the cleaning tank (50) provided with the forming tank (40) and the plurality of injection nozzles (51) is provided at the lower front, lower center, and lower rear of the frame (60). Among the rods 63a, 63b and 63c, the forming tank 40 is fixed between the upper center horizontal support rod 63b and the upper rear horizontal support rod 63c, and the molding tank 40 is connected to the lower center one side vertical support rod 62b. It is installed between the lower center other vertical support bar 62c, and the washing tank 50 is disposed between the lower one vertical support bar 62a and the lower central one vertical support bar 62b, and the lower central other vertical support bar 62c and the lower center. A pulp container automatic molding apparatus, characterized in that it is installed at a position lower than the molding tank 40 between the other vertical support rod (62d).