Low-pressure quick drainage mold and method for manufacturing same

A mold and low pressure technology, applied in the field of low pressure fast drainage mold and its preparation, can solve the problems of low preparation efficiency and production efficiency, long drying time of gypsum mold, long preparation cycle, etc., achieve high-efficiency drainage effect, shorten preparation cycle, The effect of shortening the drain time

Active Publication Date: 2012-07-11
HUIHUANG PLUMBING GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing gypsum mold not only has a long preparation period, but also takes a long time to dry the gypsum mold after the molded product in the gypsum mold cavity is demoulded, and its preparation efficiency and production efficiency are very low.

Method used

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  • Low-pressure quick drainage mold and method for manufacturing same
  • Low-pressure quick drainage mold and method for manufacturing same
  • Low-pressure quick drainage mold and method for manufacturing same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Use the above steps 1 to 5 to prepare the toilet mold. In the step 2 of erecting the rod net, the horizontal thin rods 4 are arranged at equal distances, and the longitudinal thin rods 4 and the thin rods 4 are evenly distributed on the horizontal thin rods 4 The diameter of the rods is 6mm, and the distance between the thin rods 4 ranges from 60mm to 80mm. In this way, it is convenient to lay the rod net 5 on the half master mold 3 and improve the efficiency of preparing the plaster half mold 1.

Embodiment 2

[0054] The above steps 1 to 5 are used to prepare a toilet mold. In the step 2 of erecting the rod net, the thin rods 4 are arranged horizontally, and the longitudinal thin rods 4 are pasted on the horizontal thin rods 4.

[0055] The main difference between this implementation and implementation one is the spacing of the thin rods 4. The spacing between the horizontal and vertical thin rods 4, and the spacing between the horizontal or vertical thin rods 4, is closer to the center of the female mold half 3 than at the periphery of the female mold half 3. In this way, the plaster half mold 1 formed by turning over the half master mold 3 has a more efficient and rapid drainage function.

Embodiment 3

[0057] The above steps 1 to 5 are used to prepare the toilet mold. In the step 2 of erecting the rod net, the thin rods 4 are arranged horizontally, and the longitudinal thin rods 4 are pasted on the horizontal thin rods 4.

[0058] The main difference between this implementation and implementation one lies in the spacing of the thin rods 4, the spacing between the horizontal and vertical thin rods 4, the horizontal or longitudinal thin rods 4, and the spacing in the deeper part of the cavity of the half master mold 3 is smaller than that of the half master mold 3. The distance between the shallow parts of the cavity. In this way, the plaster half mold 1 formed by turning over the half master mold 3 also has a more efficient and rapid drainage function.

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Abstract

The invention discloses a low-pressure quick drainage mold, which comprises two gypsum half molds oppositely combined with each other. A grid-shaped inflating pore net is distributed in an integral mold wall of each gypsum half mold, pore passages which form the inflating pore net in each gypsum half mold are communicated with each other, and each inflating pore net is provided with inflating openings disposed on the outer surface of the corresponding gypsum half mold. The invention further discloses a method for manufacturing the low-pressure quick drainage mold. Compared with an existing method which is used for manufacturing a mold by means of drying the mold for 7 days to 8 days at the temperature of 50 DEG C, the method is used for manufacturing the mold by means of inflating the gypsum half molds for about 30 minutes after the gypsum half molds are molded and released from a female mold and then drying the gypsum half molds for 1 day to 2 days at the temperature of 50 DEG C, and then the gypsum half molds can be used for production. Compared with an existing mold including steps of drying a mold for 19 hours to 20 hours at the temperature of 45 DEG C after the mold is released, the method is used for manufacturing the mold by means of respectively inflating the gypsum half molds for 15 minutes to 20 minutes, and leading moisture content in the gypsum half molds to respectively seep from the surfaces of the gypsum half molds, and then the gypsum half molds can be used for production again. The low-pressure quick drainage mold and the method have the advantages that a quick drainage effect is high-efficiency, and efficiency of manufacture of the mold and efficiency of forming production can be increased exponentially.

Description

Technical field [0001] The invention relates to a gypsum mold, in particular to a low-pressure quick-draining mold and a preparation method thereof. Background technique [0002] Toilets, building materials, decorative parts, etc. can usually be made by using plaster molds. The plaster molds include two sets of mutually aligned plaster half molds. Each set of plaster half molds includes a concave mold and a convex mold. The concave mold and the convex mold are combined. Form a cavity. When preparing the plaster half-mold, the plaster half-mold must be dried at 50°C for 7-8 days before it can be put into production after being removed from the master mold. When the plaster mold is used for production, after the molded product in the cavity of the plaster mold is released, the plaster mold must be dried at 45°C for 19 to 20 hours before the plaster mold can be used for re-molding production. [0003] The existing gypsum mold not only has a long preparation period, but also has a lo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B28B7/00B28B1/14
Inventor 吕庆文甘代华
Owner HUIHUANG PLUMBING GROUP
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