CN113263589A

CN113263589A - Resin mold and grouting method

Info

Publication number: CN113263589A
Application number: CN202110669714.1A
Authority: CN
Inventors: 吕殿杰; 吴江龙; 夏同超
Original assignee: Tangshan Senlan Porcelain Technology Co ltd
Current assignee: Tangshan Senlan Porcelain Technology Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2021-08-17

Abstract

The invention relates to the technical field of ceramic molds, in particular to a resin mold. A porous resin layer with the porosity of 30% -40% is arranged in a die cavity of the die, one side, far away from the die cavity, of the porous resin layer is connected with a drainage mechanism, and the bottom of the die cavity is communicated with a grouting system. The die body comprises a left die and a right die which are arranged oppositely, a parting surface of the left die and a parting surface of the right die are perpendicular to a horizontal plane, and the die body further comprises a lower die and an upper die. In the process of pressing and forming the mold, redundant moisture in the slurry can be quickly discharged through the porous structure and the drainage mechanism, and meanwhile, the mold is made of porous resin with the porosity of 30-40 percent, so that the structure is good in water absorption, high in strength and short in grouting period, and the grouting pressure can reach 0.3-0.6 MPa.

Description

Resin mold and grouting method

Technical Field

The invention relates to the technical field of ceramic molds, in particular to a resin mold and a grouting method.

Background

At present, most of moulds used for producing sanitary wares are gypsum moulds, and in the related technology, when the sanitary wares are produced by using the gypsum moulds, slurry injected into the gypsum moulds contains a large amount of moisture which needs to be absorbed by the gypsum moulds to obtain a blank of the product. When the gypsum mold is used for producing a green body for five to six times, the moisture of the gypsum mold can reach saturation because the gypsum mold absorbs a large amount of moisture in the slurry. When production needs to be continued, the gypsum mold needs to be dried to be made into a blank again, when a large amount of waste is needed in the drying process, the drying period is generally not less than seven days, and the blank needs to be further dried after being formed to be glazed, so that the defects of low efficiency and incapability of continuous grouting exist in the blank making process by using the gypsum mold, the existing gypsum mold is single in structural form, some gypsum molds need to be matched with iron frames for use, and the use is heavy, so that the batch production of the mud blank is restricted.

Disclosure of Invention

The invention aims to solve the technical problems that the resin mould is provided aiming at the technical defects, the resin mould is set into various structural forms by adopting the resin layer with the porosity of 30-40 percent, and the problems that the existing gypsum mould mud blank has long production period and heavy mould and cannot adapt to the batch production of mud blanks with different structures are solved; the invention also provides a resin mould grouting method, which sets the grouting pressure to be 0.3-0.6MPa and solves the problem of low grouting efficiency of the existing gypsum mould.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a porous resin layer with the porosity of 30% -40% is arranged in a mold cavity of the mold, a drainage mechanism is arranged in the porous resin layer, and the bottom of the mold cavity is communicated with a grouting system.

Further optimize this technical scheme, the mould body is including the relative left mould and the right mould that set up, the left side mould with the die joint and the horizontal plane vertical setting of right mould.

Further optimize this technical scheme, the mould body still includes the lower mould, the die joint of lower mould sets up respectively the left side mould with the inside of right side mould, the die joint of lower mould with the left side mould with the die joint of right side mould sets up perpendicularly.

Further optimize this technical scheme, the mould body still includes the mould, go up the die joint of mould with the die joint parallel arrangement of lower mould.

Further optimize this technical scheme, the left and right sides of going up the mould is provided with the compound die location eaves, protruding eaves include anterior wedge-shaped guide part and the rear side location portion of edge, the upper portion of left side mould and right mould is provided with the constant head tank that protruding eaves shape suits.

The invention also provides a resin mold grouting method, which comprises the steps of grouting the resin mold, setting the grouting pressure of slurry to be 0.3-0.6MPa, injecting the slurry from the bottom of a mold cavity, and discharging air and water in the mold cavity through the resin micropores on the outer peripheral wall.

Further optimizing the technical solution, closing the resin mold according to the above claims before grouting comprises the steps of:

firstly, fixing a left mold, and translating a lower mold to the lower side of a cavity of the left mold;

step two, enabling the upper die to freely descend until the wedge-shaped guide part is flush with the positioning groove;

and step three, pushing the upper die to the left die until the wedge-shaped guide part enters the positioning groove, enabling the upper die to vertically correspond to the lower die at the moment, and finally closing the right die.

Compared with the prior art, the invention has the following advantages: the invention aims to provide a mould for manufacturing ceramic sanitary wares, which can quickly discharge redundant water in slurry through a porous structure and a drainage mechanism in the process of pressing and forming the mould, and simultaneously, the mould is made of porous resin with the porosity of 30-40 percent, the structure has good water absorption, the grouting pressure can reach 0.3-0.6MPa, and the strength is high. The method has the advantages that an iron frame of a common mould is removed, the weight is reduced, the cost is further reduced, the grouting process can reach 1-2 hours, the grouting time can be different according to different types of sanitary wares, and continuous grouting can be realized. The efficiency of system base is greatly improved.

Drawings

Fig. 1 is an exploded view of a resin mold.

Fig. 2 is a schematic structural view of a resin mold before closing.

Fig. 3 is a schematic view of a resin mold after upper and lower molds are closed into a left mold.

Fig. 4 is a schematic view of the left mold and the right mold separated after the resin mold is completely injected.

In the figure: 1. a porous resin layer; 10. a mold cavity; 101. a left die; 102. a right die; 1021. positioning a groove; 103. a lower die; 104. an upper die; 1041. a wedge-shaped guide part; 1042. a positioning part.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings of the embodiments. It is to be understood that this description is intended for purposes of illustration only and is not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" or "the" and similar referents in the description and claims of the present invention also do not denote a limitation of quantity, but rather denote the presence of at least one of the referenced item. The word "comprise" or "comprises", and the like, means that the element or item listed before "comprises" or "comprising" covers the element or item listed after "comprising" or "comprises" and its equivalents, and does not exclude other elements or items. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

The specific implementation mode is as follows: referring to fig. 1-3, in a resin mold, a porous resin layer 1 with a porosity of 30% -40% is arranged in a mold cavity 10 of the mold, a drainage mechanism is arranged in the porous resin layer 1, the drainage mechanism 2 may be a capillary pipeline arranged in the resin layer 1, the capillary is intensively communicated with a drainage and exhaust system, and the bottom of the mold cavity 10 is communicated with a grouting system. The die body comprises a left die 101 and a right die 102 which are arranged oppositely, and parting surfaces of the left die 101 and the right die 102 are vertical to a horizontal plane.

The die body further comprises a lower die 103, parting surfaces of the lower die 103 are respectively arranged in the left die 101 and the right die 102, and the parting surfaces of the lower die 103 are perpendicular to the parting surfaces of the left die 101 and the right die 102.

The mould body still includes mould 104, go up the die joint of mould 104 with the die joint parallel arrangement of lower mould 103.

The left side and the right side of the upper die 104 are provided with die-closing positioning convex eaves, each convex eaves comprises a wedge-shaped guide part 1041 at the edge of the front part and a rear positioning part 1042, the upper parts of the left die 101 and the right die 102 are provided with positioning grooves 1021 with corresponding convex eaves shapes, and the convex eaves are matched with the positioning grooves 1021 to realize the positioning and the pressing of the upper die 104 between the left die 101 and the right die 102.

The invention also provides a resin mold grouting method, which is used for grouting the resin mold in the embodiment, and closing the mold before grouting the resin mold, and comprises the following steps:

firstly, fixing a left die 101, and translating a lower die 103 to the lower side of a cavity of the left die 101;

step two, the upper die 104 is freely lowered until the wedge-shaped guide part 1041 is flush with the positioning groove 1021;

and thirdly, pushing the upper die 104 to the left die 101 until the wedge-shaped guide part 1041 enters the positioning groove 1021, wherein the upper die 104 corresponds to the lower die 103 up and down, and finally closing the right die 102.

And (3) after the die is closed, grouting is carried out, the grouting pressure of the slurry is set to be 0.3-0.6MPa, the slurry is injected from the bottom of the die cavity 10, and air and water in the die cavity 10 are discharged through the resin micropores on the outer peripheral wall.

Wherein, the first table is experimental data of the time length of mud blank molding under different porosities and different grouting pressures when the resin mold of the patent is utilized to produce the toilet seat outer sleeve of sanitary ceramics under the condition of the same temperature and humidity.

Table one:

the forming and blank taking time of the closestool outer sleeve produced by the common gypsum mold reaches 7-8 hours, and the blank discharging time of the closestool outer sleeve mold with the structure is greatly shortened by comparing the time data with the time data of the table I.

The control mode of the invention is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of a person skilled in the art, which belongs to the common knowledge in the field, so the control mode and the circuit connection are not explained in detail in the invention.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A resin mold, characterized in that: a porous resin layer (1) with the porosity of 30% -40% is arranged in a die cavity (10) of the die, a drainage mechanism is arranged in the porous resin layer (1), and the bottom of the die cavity (10) is communicated with a grouting system.

2. A resin mold as defined in claim 1, wherein: the die body comprises a left die (101) and a right die (102) which are arranged oppositely, and the parting surfaces of the left die (101) and the right die (102) are vertical to the horizontal plane.

3. A resin mold as defined in claim 2, wherein: the die body further comprises a lower die (103), parting surfaces of the lower die (103) are arranged in the left die (101) and the right die (102) respectively, and the parting surfaces of the lower die (103) are perpendicular to the parting surfaces of the left die (101) and the right die (102).

4. A resin mold as defined in claim 3, wherein: the mould body still includes mould (104), go up the die joint of mould (104) with the die joint parallel arrangement of lower mould (103).

5. A resin mold as defined in claim 4, wherein: the mould closing positioning device is characterized in that mould closing positioning convex eaves are arranged on the left side and the right side of the upper mould (104), each convex eaves comprises a wedge-shaped guide part (1041) and a rear positioning part (1042) at the edge of the front part, and positioning grooves (1021) with the shapes of the convex eaves matched with each other are arranged on the upper parts of the left mould (101) and the right mould (102).

6. A resin mold grouting method is characterized in that: a resin mold according to any one of claims 1 to 5, wherein the pressure of slurry injected from the bottom of the cavity (10) is set to 0.3 to 0.6MPa, and air and water in the cavity (10) are discharged through the resin pores of the outer peripheral wall.

7. The resin mold grouting method according to claim 6, characterized in that: closing the resin mold according to claim (5) before the resin mold is injected, comprising the steps of:

firstly, fixing a left die (101), and translating a lower die (103) to the lower side of a cavity of the left die (101);

step two, enabling the upper die (104) to freely descend until the wedge-shaped guide part (1041) is flush with the positioning groove (1021);

and thirdly, pushing the upper die (104) to the left die (101) until the wedge-shaped guide part (1041) enters the positioning groove (1021), wherein the upper die (104) corresponds to the lower die (103) up and down, and finally closing the upper die (104) into the right die (102).