TW201912352A - High pressure mold forming method and toilet embryo formed for the same capable of rapidly forming toilet embryo and removing from mold after forming to enhance productivity - Google Patents

Abstract

The present invention relates to a high pressure mold forming method, which utilizes a pump to inject clay slurry into a space between a first mold and a second mold; continuously pressurizing to discharge the water in the clay slurry through a first and a second channels in the first and second molds respectively, so that the clay slurry can be quickly condensed while maintaining a thickness; after stopping the pressurization operation of the pump, discharging the non-condensed clay slurry to form a hollow embryo; switching a valve to stop the water flow in the first and second channels, introducing compressed air into the first and second channels by an air supply device, so as to quickly remove the hollow embryo from the mold. A toilet embryo formed by the aforementioned method allows a upper flush channel of a basin-like toilet body to extend downwards directly from the inner side of a frame-shaped top surface, and allows the edge of an outer frame to incline downwards in a small angle toward the direction of the edge of an inner frame.

Description

 High pressure molding method and toilet body formed by using the same  

The invention relates to a high-pressure mold forming method and a toilet body formed by using the method, in particular to a person who not only can quickly form a toilet body, but also can quickly demould after molding.

At present, sanitary equipment such as ceramic toilets is mainly formed by forming a space in a set of molds, pouring mud into the space, and pouring the mud before the mud is completely solidified to form an embryo body. After being refurbished and dried, it is glazed and sintered. 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 molding process of the above-mentioned embryo body, 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 high-pressure mold forming method and a toilet body formed by using the method, and by pressing the clay mud, the moisture of the clay mud is quickly absorbed and discharged to rapidly form the embryo body; The structure that pushes the water vapor or part of the air in the gap of the mold in the opposite direction by pushing the air pressure to make the embryo body effectively and quickly demoulding, can solve the problem of slow molding time of the conventional embryo body, and can make the embryo body fast. Forming and rapid demolding after molding to increase production efficiency.

In order to achieve the above object, a high pressure molding method of the present invention comprises a first mold and a second mold, the first mold having a first contact surface, and the first contact surface forming a protrusion. The second mold has a second contact surface, and 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 the protruding portion is Forming a space between the recesses, the space is outwardly connected to a pump; the first mold and the second mold are respectively a mold having a plurality of pores, and the first mold is provided with a first outer surface area other than the first contact surface a coating layer, the second mold is provided with a second coating layer in addition to the second contact surface; the first mold is provided with at least one first pipe, and the first pipe has a plurality of first pipe holes One end of the first pipe protrudes outside the first mold; the inside of the second mold is provided with at least one second pipe, the second pipe has a plurality of second pipe holes, and one end of the second pipe extends outside the second die First pipe One end of the conduit and a second end connected to a respective valve and an air supply device. The high pressure molding method comprises the following steps: a. providing a clay slurry which has been kneaded and not solidified, and pumping the clay slurry between the protrusion of the first mold and the recess of the second mold, and pumping Continuously pressurizing the clay mud, so that the water in the clay mud is discharged outward through the first pipe and the second pipe; b. causing some of the clay mud to have a thickness condensed on the wall of the protrusion and the recess, and interrupted Pressurizing the pump to allow the unconsolidated clay slurry to flow out to form a hollow body; and c. switching the valve to close the water in the first pipe and the second pipe to discharge outward, and then the gas supply device The compressed air is input into the first pipe and the second pipe, and is discharged outward through the protrusion to push the hollow body, separating the hollow body from the protrusion, and allowing the compressed air to be discharged outward through the recess to push the hollow embryo The body separates the hollow body from the depression.

In implementation, the second mold includes a third mold and a fourth mold, the third mold has a third contact surface, and the second coating layer includes a third coating layer and a fourth coating layer, and the third mold is The other outer surface area except the third contact surface is combined with the third coating layer; the second contact surface is located at one end of the fourth mold, the other end of the fourth mold has a fourth contact surface, and the fourth contact faces the third a contact surface, the recess is formed in the fourth mold between the second contact surface and the fourth contact surface, and the fourth mold is combined with the fourth outer surface except the second contact surface and the fourth contact surface Floor.

The toilet body formed by using the high pressure molding method as described above comprises a basin type toilet body, the toilet body is provided with an upper flushing passage, and the rear end of the upper flushing passage is connected with the tap water outlet, and the toilet body has a The top surface of the frame, the upper flushing channel is a frame-shaped surface extending downward from the inner side of the frame-shaped top surface, and the upper flushing prop has an inner frame edge and an outer frame edge, and the outer frame edge abuts the inner side of the frame-shaped top surface, The edge of the frame is inclined downward at a small angle toward the edge of the inner frame.

In implementation, the upper end of the upper flushing channel is inclined downward at a small angle toward the front end; the front end of the upper flushing channel has a space.

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‧‧‧High pressure mode

2‧‧‧First mould

21‧‧‧First contact surface

22‧‧‧Protruding

23‧‧‧First coating

24‧‧‧First pipeline

241‧‧‧First pipe hole

3‧‧‧Second mold

31‧‧‧Second contact surface

311‧‧‧Depression

312‧‧‧ Space

32‧‧‧Second coating

321‧‧‧ Third coating

322‧‧‧Four coating

33‧‧‧Second pipeline

331‧‧‧Second pipe hole

34‧‧‧ Third mould

341‧‧‧ third contact surface

35‧‧‧4th mould

351‧‧‧fourth contact surface

4, 4'‧‧‧ valve

41‧‧‧ gas supply

5‧‧‧ pump

6‧‧‧ toilet body

61‧‧‧Upper channel

611‧‧‧ inner frame edge

612‧‧‧Front edge

613‧‧‧ interval

62‧‧‧ frame top

63‧‧ ‧ pelvic cavity

9‧‧‧Clay clay

91‧‧‧ hollow embryo body

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is an exploded view of the preferred embodiment of the high pressure die of the present invention.

Figure 2 is a perspective view of a preferred embodiment of the high pressure die of the present invention.

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

Figures 4 and 5 are schematic views showing the state of use of the invention in forming an embryo body.

Fig. 6 is a schematic view showing the state of use of the mold of the present invention when it is separated from the embryo body.

Figure 7 is a perspective view of a preferred embodiment of a preferred embodiment of a toilet body formed in accordance with the present invention.

Figure 8 is a plan view of a preferred embodiment of a toilet body formed in accordance with the present invention.

The high-pressure mold system used in the present invention comprises a first mold and a second mold, respectively, the first mold and the second mold are respectively a mold having a plurality of pores, except for the relative contact faces of the first mold and the second mold, The other outer surface regions of a mold and the second mold are sealed by a coating layer; and a space is formed inside the first mold and the second mold, the space is outwardly connected to a pressure pump; the first mold and the second mold Each of the pipes is provided with a plurality of pipe holes, and a plurality of pipe holes are connected with the space, and one of the pipes is connected to a valve and a gas supply device respectively to control the outward discharge of water or inward Enter compressed air.

Referring to FIGS. 1 to 3, which is a preferred embodiment of the high pressure die 1 of the high pressure die forming method of the present invention, a first die 2 and a second die 3 are included.

The outer shape of the first mold 2 is a rectangular parallelepiped, which is a mold having a plurality of pores. In the present embodiment, the first mold 2 is preferably formed by mixing a plurality of enamels with resin, and adjacent boring sand after molding. The pores between are below 0.5 mm. The first mold 2 has a first contact surface 21, and the first contact surface 21 forms a protrusion 22, and the first mold 2 is coated with a layer of resin on the outer surface area except the first contact surface 21, respectively. The first mold layer 2 is provided with a plurality of first pipes 24, and each of the first pipes 24 has a plurality of first pipe holes 241 penetrating the pipe wall, and the plurality of first pipes 24 are respectively provided. One end protrudes from the outside of the first mold 2 to connect a valve 4 and a blower, and the blower is used as a gas supply device 41. When implemented, the gas supply device 41 can also be an air compressor.

The outer shape of the second mold 3 is a rectangular parallelepiped, which is a mold having a plurality of pores. In the present embodiment, the second mold 3 is preferably formed by mixing a plurality of enamels with resin, and adjacent boring sand after molding. The pores between are below 0.5 mm. The second mold 3 has a second contact surface 31. The second contact surface 31 defines a recessed portion 311. When the first contact surface 21 and the second contact surface 31 are in contact with each other, the protruding portion 22 is correspondingly received in the recessed portion 311. A space 312 is formed between the protrusion 22 and the recess 311, and the space 312 is outwardly connected to a pump 5; the second mold 3 is coated with a layer of resin on the outer surface except the second contact surface 31. The resin is used as the second coating layer 32; the second mold 3 is provided with a plurality of second pipes 33, and each of the second pipes 33 has a plurality of second pipe holes 331 extending through the pipe wall, respectively. One end of the second pipe 33 extends outside the second mold 3 to connect a valve 4' and the air supply device 41. When implemented, the air supply device 41 may be provided with one or two.

The second mold 3 is a single mold, and the second mold 3 may include a third mold 34 and a fourth mold 35. The third mold 34 has a third contact surface 341 and a second The cover layer 32 includes a third cladding layer 321 and a fourth cladding layer 322. The third outer surface of the third mold 34 except the third contact surface 341 is combined with the third cladding layer 321; the second contact surface 31 Located at one end of the fourth mold 35, the other end of the fourth mold 35 has a fourth contact surface 351, and the fourth contact surface 351 abuts the third contact surface 341. The recessed portion 311 is formed in the fourth mold 35 between the second contact surface 31 and the fourth contact surface 351, and the outer surface region of the fourth mold 35 except the second contact surface 31 and the fourth contact surface 351. The fourth cladding layer 322 is bonded.

The present invention is a high pressure molding method using the above high pressure mold structure, comprising the following steps:

a. As shown in FIG. 4, a clay slurry 9 which has not been solidified by kneading is provided, and the clay slurry 9 is poured into the convex portion 22 of the first mold 2 and the concave portion 311 of the second mold 3 by the pump 5, The clay slurry 9 is continuously pressurized by the pump 5, so that the water in the clay slurry 9 is discharged outward through the first pipe hole 241 of the first pipe 24 and the second pipe hole 331 of the second pipe 33.

b. As shown in Fig. 5, a part of the clay slurry 9 has a thickness condensed on the wall surface of the projection 22 and the recessed portion 311, and the pressurization action of the pump 5 is interrupted, so that the clay mud 9 which has not been condensed flows out. To form a hollow embryo body 91.

c. As shown in Fig. 6, the switching valve (4, 4') is discharged to close the water in the first pipe 24 and the second pipe 33, and the compressed air is supplied to the first pipe by the air supply means 41. The inner portion 24 and the second duct 33 are discharged outward through the protruding portion 22 to push the hollow embryo body 91, and the hollow embryo body 91 is separated from the protruding portion 22, and the compressed air is discharged outward through the recess portion 311 to push the hollow portion. The embryo body 91 separates the hollow embryo body 91 from the depressed portion 311.

In the process in which the clay slurry 9 is formed into the hollow body 91, since the first mold 2 and the second mold 3 are both porous, the water in the clay slurry 9 can be passed through when the pump 5 is continuously pressurized. The first pipe hole 241 of the first pipe 24 and the second pipe hole 331 of the second pipe 33 are discharged outward, so that the convex portion 22 and the clay slurry 9 on the wall surface of the recess portion 311 can be quickly condensed and have a thickness. In step c, the water can be stopped from continuing to be discharged via the switching of the valve (4, 4'); and since the air supply device 41 supplies air to the first pipe 24 and the second pipe 33, the compressed air can be passed through the original The path of the water outflow is blown back, and the water vapor in the pores of the mold is squeezed outward, and the force of pressing is formed in the mold, respectively, so that the body body body 91 is separated from the wall of the protruding portion 22 and the recessed portion 311, Complete the demoulding process.

Referring to FIGS. 7 and 8, a preferred embodiment of the toilet body 91 formed by the above high pressure molding method comprises a basin-type toilet body 6, and the toilet body 6 is provided with an upper flushing passage 61. The rear end of the upper flushing passage 61 is connected to the tap water outlet, and the toilet body 6 has a frame-shaped top surface 62. The upper flushing channel 61 is a frame-shaped surface extending downward from the inner side of the frame-shaped top surface 62. The upper flushing channel 61 has an inner frame edge 611 and an outer frame edge 612, and the outer frame edge 612 abuts the inner side of the frame-shaped top surface 62. The outer frame edge 612 is inclined downward at a small angle toward the inner frame edge 611. The upper flush channel 61 and the rear end are inclined downward at a small angle toward the front end, and a space 613 is formed at the front end of the upper flush channel 61. The front end of the inner side of the frame top surface 62 is substantially flush with the inner wall of the front end of the pelvis 63.

Thereby, when two reverse water flows are formed at the rear end of the upper flushing passage 61, the water on both sides is cast along the upper flushing passage 61 and the downwardly extending wall surface of the frame-shaped top surface 62 to form a reverse direction. The swirling flow. During the flow, the two side walls of the pelvic cavity 63 are respectively flushed downward, and the swirling flow on both sides is respectively flushed from the front side wall of the pelvic cavity 63 by the space 613 at the front end of the upper flushing channel 61, and the dirt or urine on the inner wall surface is washed to the side wall. The bottom of the pelvis 63.

Therefore, the present invention has the following advantages:

1. The invention can press the clay mud to make the water of the clay mud quickly absorb and discharge the mold, so that the embryo body can be quickly formed to reduce the waiting time for drying.

2. The invention reversely presses the water and gas by the path of the compressed air extending along the raw water gas, so that the embryo body is separated from the molds, so that the mold can be effectively and quickly demoted to increase the production efficiency.

3. The toilet body formed by the high pressure molding method of the present invention, wherein the upper flushing channel is inclined to guide the pelvic cavity of the toilet body without setting a flange above the upper flushing channel to prevent water from splashing out. Therefore, not only can the sound of water flow be reduced when flushing, but also the toilet structure can be effectively reduced to reduce the molding process, thereby increasing the production speed and reducing the labor cost.

In summary, according to the above disclosure, the present invention can achieve the intended purpose, and provides a high-pressure molding method capable of not only rapidly forming an embryo body, but also effectively demoulding to increase the production speed, and using the method. The shaped toilet body is very valuable for industrial use, and the invention patent application is filed according to law.

Claims (5)

 A high pressure molding method, wherein the high pressure molding system comprises a first mold and a second mold, the first mold has a first contact surface, the first contact surface forms a protrusion, and the second mold has a second contact surface, the second contact surface forms a recessed portion, and when the first contact surface is in contact with the second contact surface, the protruding portion is correspondingly received in the recessed portion, and the protruding portion is Forming a space between the recesses, the space is outwardly connected to a pump; the first mold and the second mold are respectively a mold having a plurality of pores, and the outer surface of the first mold except the first contact surface a first coating layer is disposed, the second mold layer is provided with a second coating layer in addition to the second contact surface; the first mold is provided with at least one first pipe, the first pipe Having a plurality of first pipe holes, one end of the first pipe extends outside the first mold; the second mold is provided with at least one second pipe, and the second pipe has a plurality of second pipe holes, One end of the second pipe extends out of the The outer portion of the first pipe and the one end of the second pipe are respectively connected with a valve and a gas supply device; the high pressure molding method comprises the following steps: a. providing a clay slurry which has not been solidified by mixing, Pumping the clay slurry into the protrusion of the first mold and the recess of the second mold, and continuously pressurizing the clay slurry with a pump, so that the water in the clay slurry passes through the first pipeline And discharging the second pipe outward; b. causing a portion of the clay slurry to have a thickness condensed on the wall of the protrusion and the recess, and interrupting the pressurization of the pump to allow the clay slurry that has not been condensed to flow out, Forming a hollow body; and c. switching the valve to close the water in the first pipe and the second pipe, and then introducing the compressed air into the first pipe and the second by the gas supply device Inside the pipe, it is discharged outward through the protruding portion to push the hollow embryo body, the hollow embryo body is separated from the protruding portion, and the compressed air is discharged outward through the concave portion to push the hollow embryo body to separate the hollow embryo body from the concave portion. .    The high pressure molding method of claim 1, wherein the second mold comprises a third mold and a fourth mold, the third mold has a third contact surface, and the second coating layer comprises a a third cladding layer and a fourth cladding layer, the third mold layer is combined with the third outer covering surface except the third contact surface; the second contact surface is located in the fourth mold layer One end of the fourth mold has a fourth contact surface, the fourth contact faces the third contact surface, and the recess is formed between the second contact surface and the fourth contact surface In the fourth mold, the fourth mold is combined with the outer surface area except the second contact surface and the fourth contact surface.    A toilet body formed by using the high pressure molding method of claim 1 or 2, comprising a basin type toilet body, the toilet body is provided with an upper flushing passage, and the rear end of the upper flushing passage is connected with a tap water outlet, the toilet The main body has a frame-shaped top surface, and the upper flushing channel is a frame-shaped surface extending downward from the inner side of the frame-shaped top surface, and the upper flushing prop has an inner frame edge and an outer frame edge, and the outer frame edge is adjacent The inside of the frame-shaped top surface is inclined downward at a small angle toward the edge of the inner frame.    The toilet body according to claim 3, wherein the upper flush channel is inclined downward at a small angle toward a front end.    The toilet body according to claim 4, wherein the upper end of the upper flush has a space.