TWI551373B - A porous mold and a method of using the porous mold to form a sanitary appliance - Google Patents

Description

Porous mold and method for forming sanitary equipment using the same

The invention relates to a porous mold and a method for forming the sanitary equipment by using the porous mold, in particular, a method capable of not only rapidly forming the embryo body but also rapidly releasing the mold after molding.

At present, sanitary equipment such as ceramic washbasins or toilets is mainly formed by forming a space in a set of molds, pouring mud into the space, and pouring the mud out before the mud is completely solidified. An embryo body is glazed and sintered after being refurbished and dried. For sanitary equipment with more complicated structure, several molds are used to separately form various components, and then the components are bonded, and then refinished, dried, glazed, and then sintered.

In the above molding process, since the embryo body is required to be taken out after the embryo body is substantially dried for subsequent operations, a long waiting time is required, which does not meet the requirements of mass production.

In view of the above, in order to provide a structure different from the conventional technology and to improve the above disadvantages, the inventors have accumulated many years of experience and continuous development and improvement, and the present invention has been produced.

An object of the present invention is to provide a porous mold and a method for forming a sanitary device by using the porous mold, which can quickly mold by absorbing water vapor of a solid embryo body, and is effectively and quickly demolded by pushing against air pressure. The structure can solve the problem of slow molding time of the conventional embryo body, so that the embryo body can be quickly formed, and can be demoulded quickly after molding to increase production efficiency.

In order to achieve the above object, a porous mold according to the present invention comprises a male mold and a female mold, the male mold has a first contact surface, the first contact surface forms a convex portion, and the female mold has a second contact surface. The second contact surface forms a recessed portion. When the first contact surface is in contact with the second contact surface, the protruding portion is correspondingly received in the recessed portion, and a space is formed between the protruding portion and the recessed portion; The utility model is characterized in that: the male mold and the female mold are respectively a mold having a plurality of pores and absorbing moisture, and the outer mold has a first covering layer except the first contact surface, and the female mold has a second contact surface except the second contact surface. The other outer surface area is provided with a second coating layer; the inside of the male mold is provided with at least one first exhaust pipe, and the first exhaust pipe has a plurality of first exhaust holes, one end of the first exhaust pipe Extending out of the male mold; the interior of the female mold is provided with at least one second exhaust pipe, the second exhaust pipe has a plurality of second exhaust holes, and one end of the second exhaust pipe extends outside the female mold; One end of the first exhaust pipe and one end of the second exhaust pipe are respectively connected to a gas supply .

In practice, the male mold is a plurality of enamel sands which are formed by resin mixing and bonding, and the pores are less than 0.5 mm; the master mold is a plurality of ceramsite sands which are formed by resin mixing and bonding, and the pores are below 0.5 mm.

The invention provides a method for forming a sanitary device by using the porous mold as described above, comprising the steps of: a. providing a clay which has not been solidified by mixing, and placing the clay in the concave portion of the female mold and the convex portion of the male mold. Between, and pressurize the clay to form the clay into an embryo body; b. Input air into the second exhaust pipe of the master mold, and discharge it through the second contact surface to push the embryo body to make the embryo body contact with the second body. And separating c. The air is introduced into the first exhaust pipe of the male mold, and is discharged outward through the first contact surface to push the embryo body to separate the embryo body from the first contact surface.

In order to further understand the present invention, the specific embodiments of the present invention and the effects achieved thereby are described in detail below with reference to the drawings and drawings.

1‧‧‧Porous mold

2‧‧‧Male model

21‧‧‧ top surface

22‧‧‧First contact surface

221‧‧‧protrusion

23, 33‧‧‧ side

24‧‧‧First coating

25‧‧‧First exhaust pipe

26‧‧‧First exhaust hole

3‧‧‧Female model

31‧‧‧Second contact surface

311‧‧‧Depression

32‧‧‧ bottom

34‧‧‧Second coating

35‧‧‧Second exhaust pipe

36‧‧‧Second vent

4‧‧‧ Space

5‧‧‧ embryo body

8‧‧‧Tray

9‧‧‧ gas supply device

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is an exploded view of the preferred embodiment of the porous mold of the present invention.

Fig. 2 is a perspective view showing the appearance of a preferred embodiment of the hole mold of the present invention.

Fig. 3 is a cross-sectional view taken along line A-A' of Fig. 2.

Fig. 4 is a schematic view showing the state of use of an embryo body formed by the porous mold of the present invention.

Fig. 5 is a schematic view showing the state of use when the bottom surface of the embryo body of the present invention is separated from the second contact surface.

Fig. 6 is a schematic view showing the state of use when the top surface of the embryo body of the present invention is separated from the first contact surface.

The porous mold of the present invention comprises a male mold and a female mold, and the male mold and the female mold are respectively a mold having a plurality of pores and absorbing moisture, except for the relative contact faces of the male mold and the female mold, the male mold and the female mold. The other outer surface areas are sealed by a coating layer; and the inside of the male mold and the female mold are respectively provided with exhaust pipes, and one end of each exhaust pipe is respectively connected with a gas supply device.

Referring to FIGS. 1 to 3, which is a preferred embodiment of the porous mold 1 of the present invention, a male mold 2 and a female mold 3 are included.

The outer shape of the male mold 2 is a rectangular parallelepiped, which is a mold having a porous shape and capable of absorbing moisture. In the present embodiment, the male mold 2 is preferably a plurality of mortars which are mixed by resin and formed. The pores between each adjacent strontium sand are below 0.5 mm. The male mold 2 includes a top surface 21, a bottom surface and four side surfaces 23, wherein the bottom surface serves as a first contact surface 22, and a downward convex portion 221 is formed on the first contact surface 22. The top surface 21 and the fourth of the male mold 2 except the first contact surface 22 Each of the side faces 23 is coated with a layer of resin as the first cladding layer 24. There are six first exhaust pipes 25 in the interior of the male die 2, and each of the first exhaust pipes 25 has a plurality of first exhaust holes 26 penetrating the pipe wall, and one end of the three first exhaust pipes 25 Extending outward from one side 23 of the male mold 2, one of the remaining three first exhaust pipes 25 projects outwardly from the other side 23 of the male mold 2, as shown in Fig. 4, for respectively connecting one The air blower is used as the air supply device 9. When implemented, the air supply device 9 can also be an air compressor.

The master mold 3 is located below the male mold 2, and the outer shape of the female mold 3 is a rectangular parallelepiped, which is a mold having a plurality of pores and absorbing moisture. In the present embodiment, the master mold 3 is preferably plural. The sand is made of resin mixed and bonded, and the pores between the adjacent sands after molding are less than 0.5 mm. The master mold 3 includes a top surface, a bottom surface 32 and four side surfaces 33. The top surface serves as a second contact surface 31. The second contact surface 31 defines a recess portion 311. A layer of resin is applied to the bottom surface 32 and the four side surfaces 33 outside the contact surface 31, and the resin is used as the second cladding layer 34. There are six second exhaust pipes 35 in the interior of the female die 3, and each of the second exhaust pipes 35 has a plurality of second exhaust holes 36 penetrating the pipe wall, and one end of the three second exhaust pipes 35 Extending outwardly from one side 33 of the female mold 3, one of the remaining three second exhaust pipes 35 projects outwardly from the other side 33 of the female mold 3 and is coupled to the air supply means 9, respectively. A valve is disposed between the air supply device 9 and the first exhaust pipe 25 of the male die 2 and the second exhaust pipe 35 of the female die 3, so as to selectively supply air to each of the first exhaust pipes 25 or each Two exhaust pipes 35.

Thereby, when the male mold 2 is combined with the female mold 3, and the first contact surface 22 of the male mold 2 is brought into contact with the second contact surface 31 of the female mold 3, the convex portion 221 of the male mold 2 is correspondingly accommodated. In the recessed portion 311 of the female mold 3, a space 4 is formed between the protruding portion 221 and the recessed portion 311.

And according to the above-described porous mold 1 in a method for molding a sanitary apparatus, the system comprising the steps of: a as 4 shown, there is provided a by kneading and not yet solidified the clay, the clay was placed recesses female mold 3 of 311 and a male mold. the projecting portion 221 is sandwiched in the space 2 4, and pressurized clay, clay molded so that the embryo is a 5;. b as shown in FIG. 5, the air input to the base die 353 of the second exhaust pipe inner and discharged to the outside via the second contact surface 31 to push the embryo body 5, so that the embryo body 5 separating the second contact surface 31; and c. as shown in FIG. 6, the exhaust air into the first male mold 2 The tube 25 is discharged outward through the projection 221 of the first contact surface 22 to push the embryo body 5 to separate the embryo body 5 from the first contact surface 22.

After the above clay is pressed, it can be formed into a solid bathroom such as a thin side basin, a middle side basin, a countertop basin, a countertop basin or a squat toilet. Among them, in the process of molding the clay into the embryo body 5, since the male mold 2 and the female mold 3 are both porous and capable of absorbing moisture, the clay which has not been solidified can be quickly formed after being formed into the embryo body 5. Dry in the shade. In step b, since the air supply device 9 supplies air to each of the second exhaust pipes 35, air can be blown through the second exhaust holes 36 to the pores between the adjacent sands, and the air in the pores and the original The absorbed moisture is squeezed outward. Since the bottom surface 32 and the four side surfaces 33 of the female mold 3 are both sealed by the second covering layer 34, the air and moisture can only be discharged outward from the second contact surface 31 to form an upward pressing force. The bottom surface of the embryo body 5 is separated from the second contact surface 31.

At this time, a tray 8 is placed under the embryo body 5, and then the gas supply device 9 is supplied to each of the first exhaust pipes 25, so that the top surface of the embryo body 5 can be as shown in Fig. 6. The first contact surface 22 of the male mold 2 is separated to complete the demolding process.

Therefore, the present invention has the following advantages:

1. The invention can absorb the moisture of the solid embryo body through the capillary phenomenon when the embryo body is formed, and therefore, the embryo body can be quickly formed to reduce the waiting time for drying.

2. The invention pushes the embryo body formed by the dry pressing with air pressure, so that the embryo body is separated from the male mold or the female mold, so that the mold can be effectively and quickly released to increase the production efficiency.

In summary, according to the above disclosure, the present invention can achieve the intended purpose, and provides a porous mold which can not only rapidly form an embryo body, but can be effectively demolded, and a method for forming a sanitary device using the porous mold. It is of great value in industrial use, and it submits invention patent applications according to law.

1‧‧‧Porous mold

2‧‧‧Male model

21‧‧‧ top surface

221‧‧‧protrusion

24‧‧‧First coating

25‧‧‧First exhaust pipe

26‧‧‧First exhaust hole

3‧‧‧Female model

31‧‧‧Second contact surface

311‧‧‧Depression

34‧‧‧Second coating

35‧‧‧Second exhaust pipe

36‧‧‧Second vent

Claims (4)

A porous mold comprising a male mold and a female mold, the male mold having a first contact surface, the first contact surface forming a convex portion, the female mold having a second contact surface, the second contact surface forming a depression When the first contact surface is in contact with the second contact surface, the protruding portion is correspondingly received in the recessed portion, and a space is formed between the protruding portion and the recessed portion; The male mold and the female mold are respectively a mold having a plurality of pores and absorbing moisture, and the male mold is provided with a first coating layer in addition to the first contact surface, the female mold except the second contact surface. The other outer surface area is provided with a second coating layer; the interior of the male mold is provided with at least one first exhaust pipe, and the first exhaust pipe has a plurality of first exhaust holes, the first exhaust One end of the tube protrudes from the outside of the male mold; the inside of the female mold is provided with at least one second exhaust pipe, and the second exhaust pipe has a plurality of second exhaust holes, one end of the second exhaust pipe Out of the outer side of the master mold; and one end of the first exhaust pipe and the second exhaust pipe A gas supply means connected to each end. The porous mold according to claim 1, wherein the male mold is a plurality of mortars which are formed by resin-bonding and bonding, and the pores are 0.5 mm or less. The porous mold according to claim 1, wherein the master mold is a plurality of mortars which are formed by resin-bonding and bonding, and the pores are 0.5 mm or less. A method of using an entry request to the porous mold molding method sanitary equipment, comprising:. A providing a not yet solidified by kneading the clay, the clay was placed recessed portion of the female mold and the male mold portion between the projections and pressing the clay so that the clay is formed into an embryo;. b input air within the second exhaust pipe of the female mold, is discharged outward via the contact surface to push the second embryo, the embryo so that the first two contact surfaces separated; c and a first input air exhaust duct of the male mold, is discharged outward via the first contact surface to push the embryo, the embryo so separated from the first contact surface.