CN107696365B - Be applied to cement base printing opacity concrete mould based on resin - Google Patents

Abstract

The invention provides a cement-based light-transmitting concrete mold based on resin. The silica gel mold can be conveniently obtained, and then the silica gel mold is utilized to obtain the prefabricated resin block. The function of the prefabricated resin block is to insert the prefabricated resin block into the unset concrete, and after the prefabricated resin block is set, the whole concrete has light transmittance because the resin can transmit light. The invention has the advantages that the silica gel mold can be conveniently and quickly manufactured by using the mold turning method according to the pre-designed distribution form so as to manufacture the prefabricated resin block, and the prepared silica gel mold is easily separated from the acrylic plate by dividing the silica gel mold into an upper part and a lower part and simultaneously covering the upper part and the lower part with the preservative film.

Description

A resin-based cement-based light-transmitting concrete mold

technical field

The invention relates to a mold, in particular to a mold applied to resin-based cement-based light-transmitting concrete.

Background technique

Mold, various molds and tools used in industry for injection molding, blow molding, extrusion, die-casting or forging forming, smelting, stamping and other methods to obtain the required products. In short, a mold is a tool used to shape an object, which is composed of various parts. It mainly realizes the processing of the state of the article through the change of the physical state of the formed material.

At present, the molds used to prepare prefabricated resin blocks in cement-based light-transmitting concrete usually have problems such as difficult demoulding, low efficiency, insufficient molding precision, unsatisfactory strength requirements after molding, and easy leakage.

Contents of the invention

Aiming at the deficiencies in the prior art, the present invention provides a resin-based cement-based light-transmitting concrete mold, which can easily obtain a silicone mold, and then use the silicone mold to obtain a prefabricated resin block, and the demoulding is very convenient .

In order to achieve the above object, the technical scheme that the present invention takes is:

A resin-based cement-based light-transmitting concrete mold, including an upper enclosure mold, a lower enclosure mold, a prefabricated resin block prototype, and a partition plate;

The upper enclosure form is composed of four enclosure formworks connected to each other;

The lower surrounding form includes a base plate and a surrounding form, and is connected to the base plate after being connected with each other by four surrounding forms;

The prototype of the prefabricated resin block is fixed on the bottom plate of the lower enclosure mold;

The thickness, length and width of the boards that make up the upper and lower surrounding forms are the same; the size of the partition plate is the same as that of the bottom plate, and it is located between the upper and lower surrounding forms;

At least one separation hole is opened on the separation plate, and the size and position of the separation hole are just fitted with the prefabricated resin block prototype.

Further, the upper enclosure mold and the lower enclosure mold are both cuboid structures.

Further, the surrounding formwork, top plate, bottom plate, and partition plate are made of acrylic plates.

Further, the prototype of the prefabricated resin block is a solid cylinder made of acrylic board.

Further, at least one prototype of the prefabricated resin block is uniformly staggered and distributed on the bottom plate, and the height is 3-4 cm lower than the height of the two surrounding molds.

The present invention also provides a method for preparing a prefabricated resin block using the above-mentioned mold, comprising the following steps:

1) Make a prefabricated resin block prototype: use an acrylic column to make a cylindrical prefabricated resin block prototype with a height of 40mm and a radius of 10mm;

2) Make the lower enclosure mold: use acrylic board to make a 176*56*8mm bottom plate, 176*20*8mm front and rear enclosure templates, and 40*20*8mm left and right panel templates; use acrylic adhesive to make the prefabricated resin block The prototype is fixed on the bottom plate and then the acrylic plates are connected with self-tapping screws;

3) Make the upper enclosure mold: use acrylic boards to make 176*20*8mm front and rear enclosure templates, 40*20*8mm left and right panel templates, and then connect each acrylic sheet with self-tapping screws;

4) Make a partition board: use an acrylic board to make a partition board of 176*56*8mm. There are multiple partition holes on the partition board. The size and position of the partition holes are just fitted with the original prefabricated resin block;

5) Apply the mold turning method to make silicone molds: first clean and dry the upper and lower surrounding molds, then spray the release agent on the surface, calculate the required silica gel weight according to the volume of the upper and lower surrounding molds and the density of silica gel, and calculate the weight of the resin and curing agent Weigh the corresponding amount at a ratio of 100:2, mix them in the container, stir them fully and pour them into the lower enclosure mold, after molding, it will be used as the upper half of the silicone mold, and then put the partition plate and the upper enclosure mold in turn, and then Pour silica gel into the upper surrounding mold, the liquid level is 2-3 cm below the end of the prefabricated resin rapid prototype, and it will be used as the lower half of the silica gel mold after molding;

6) Remove the mold after curing, take out the upper half of the silicone mold after the lower enclosure mold is split, and take out the lower half of the silicone mold for the upper enclosure mold without splitting the mold. At this point, the silicone mold is completed; At the same time, in order to prevent the gap at the junction from being dense, use a clamping device for consolidation;

7) Then pour resin and curing agent along the forming hole of the prefabricated resin block. After it is cured, first remove the clamping device, and then remove the upper part of the silicone mold. At this time, the upper part of the formed prefabricated resin block is exposed. When it comes out, it is very convenient to take out the prefabricated resin block due to the increased stress area.

Preferably, in step 5), the upper and lower surrounding molds are cleaned and dried, and a release agent is sprayed on the surface, and then a layer of fresh-keeping film is tightly attached.

The advantages of the present invention are:

1. Choose acrylic plate and divide it into upper and lower parts to make a silicone mold, which is easy to demould after the silicone is shaped;

2. The mold is made of silica gel material, which has a high number of repeated uses, strong tear resistance and easy demoulding;

3. The prefabricated resin block adopts a cylindrical shape, which makes it have good mechanical properties and light transmission properties in cement.

Description of drawings

Fig. 1 is a schematic diagram of the lower enclosure mold;

Figure 2 is a schematic diagram of the upper enclosure mold;

Fig. 3 is a schematic diagram of a partition;

Fig. 4 is to make the installation drawing of silica gel mold device;

Fig. 5 is a schematic diagram of the lower part of the silicone mold;

Fig. 6 is a schematic diagram of the upper part of the silicone mold;

Figure 7 is a schematic diagram of the stacking of silicone molds;

Fig. 8 schematic diagram of prefabricated resin block;

In Fig. 1-7: 1-lower enclosure mold; 2-prefabricated resin block prototype; 3-upper enclosure mold; 4-separation plate; 5-separation hole; 6-silica gel mold bottom; ; 8-Silicone mold upper part; 9-Prefabricated resin block.

Detailed ways

The protection scope of the present invention will be described in detail below in conjunction with specific embodiments and accompanying drawings.

Example 1

The object of the present invention is to provide a resin-based cement-based light-transmitting concrete mold, which can easily obtain a silicone mold, and then use the silicone mold to obtain a prefabricated resin block (as shown in Figure 8)

The role of the prefabricated resin block is to insert it into the uncured concrete. After it is solidified, the resin can transmit light, making the concrete as a whole transparent.

The present invention provides a resin-based cement-based light-transmitting concrete mold, and the process of using the mold to prepare a prefabricated resin block is as follows:

1) Make a prefabricated resin block prototype: as shown in Figure 1, use an acrylic column to make a cylindrical prefabricated resin block prototype 2 with a height of 40mm and a radius of 10mm.

2) Make the lower enclosure mold: as shown in Figure 1, make a 176*56*8mm bottom plate with an acrylic plate. 176*20*8mm front and back panel templates, 40*20*8mm left and right panel templates. The prefabricated resin block prototype 2 is fixed on the base plate with an acrylic adhesive, and then the acrylic plates are connected with self-tapping screws. The height of the prefabricated resin block prototype is determined according to the height sum of the upper and lower surrounding molds and the partition plate. Specifically, the height of the prefabricated resin block prototype is 3-4 cm lower than the sum of the three heights, so that the silica gel can be poured into the mold. Cover the prefabricated resin block prototype so that the bottom will form naturally after the silicone solidifies. The shape and arrangement of the prefabricated resin block prototypes are preferably cylindrical and staggered, because the prefabricated resin blocks in this way have good mechanical properties and light guiding properties.

3) Make the upper wall mold, as shown in Figure 2, use acrylic board to make the front and rear wall templates of 176*20*8mm, and the left and right wall templates of 40*20*8mm. Then connect the acrylic sheets with self-tapping screws.

4) Make a partition, as shown in Figure 3, use an acrylic board to make a 176*56*8mm partition. A plurality of separation holes 5 are opened on the separation plate, and the size and position of the separation holes 5 are just fitted with the original prefabricated resin block.

5) Apply the mold turning method to make a silicone mold:

Figure 4 is the installation diagram for making the silicone mold device. First clean and dry the surrounding molds (including the upper and lower surrounding molds), spray a release agent on the surface, and then tightly attach a layer of plastic wrap (experiments have found that it is easier to release the mold with plastic wrap). Calculate the weight of silica gel required according to the volume of the upper and lower surrounding molds and the density of silica gel, and weigh the corresponding amount according to the ratio of resin to curing agent weight ratio of 100:2. Mix them in a container, stir them well and pour them into the lower enclosure mold 3, which will be the upper half of the silicone mold after molding (as shown in Figure 6), wherein the prefabricated resin block molding hole 7 runs through the entire silicone mold. Then put the partition board and the upper enclosure mold in turn, as shown in Figure 4 after combination. In order to prevent gaps at the stacking place, fastening tools can be used for solidification. Then pour silica gel into the upper surrounding mold, the liquid level is 2--3 cm below the end of the prefabricated resin rapid prototype, and after molding, it will be used as the lower half of the silica gel mold (as shown in Figure 5). One end of the prefabricated resin block forming hole 7 runs through the silica gel mold, with a bottom at the other end.

6) Remove the mold after curing for 4 hours. After the lower enclosure mold is split, take out the upper half of the silicone mold, as shown in Figure 6. For the upper enclosure mold, the lower half of the silicone mold can be taken out without mold splitting, as shown in Figure 5. At this point, the silicone mold is finished. Stack the upper and lower silicone molds together. In order to prevent the gap at the junction from being dense, use a clamping device to consolidate.

7) Then pour resin and curing agent along the forming hole 7 of the prefabricated resin block. After it is cured, first remove the clamping device, and then remove the upper half of the silicone mold. At this time, the upper half of the formed prefabricated resin block body is It is exposed, and it is very convenient to take out the prefabricated resin block due to the increased stress area (as shown in Figure 8).

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements are possible, which fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. a kind of applied to the cement base non-light tight concrete mold based on resin, which is characterized in that including upper boxing, lower boxing, Prefabricated resin block prototype, demarcation plate；

The upper boxing is interconnected to constitute by four blocks of boxing plates all around；

The lower boxing includes bottom plate and boxing, is connected after being connected with each other by four blocks of boxing plates all around with bottom plate；

The prefabricated resin block prototype is fixed on lower boxing bottom plate；

It is identical to form the plate thickness of two boxings and length and width dimensions up and down；Demarcation plate size is identical with base plate size, is located at up and down Between boxing；

It is provided at least one on the demarcation plate and separates hole, the separation hole size and location and prefabricated resin block prototype are lucky It is chimeric；

The method that the mold prepares prefabricated resin block, comprising the following steps:

1) it makes prefabricated resin block prototype: using acrylic column production cylinder prefabricated resin block prototype；

2) it makes lower boxing: making bottom plate, front-back boxing plate, left and right face boxing plate with acrylic board；With acrylic adhesive Prefabricated resin block prototype is fixed on bottom plate and then connects each acrylic board with self-tapping screw；

3) it makes upper boxing: making front-back boxing plate with acrylic board, then left and right face boxing plate is used each acrylic board certainly Tapping connection；

4) make demarcation plate: making demarcation plate with acrylic board, be provided with multiple separation holes on demarcation plate, the separation hole size and Position and prefabricated resin block prototype are just chimeric；

5) make silica gel mould using overmolded legal system: washing and drying upper and lower boxing first, then spray release agent on its surface, Silica gel weight needed for being calculated according to upper and lower boxing volume and silica gel density, and in the ratio of resin and curing agent weight ratio 100:2 Corresponding amount is weighed, they are mixed in container, lower boxing is poured into after being sufficiently stirred, as the upper half of silica gel mould after molding Then portion successively puts demarcation plate and upper boxing, pour into silica gel in boxing then up, and liquid level did not had the fast prototype of prefabricated resin 2-3 centimetres of end, as the lower half portion of silica gel mould after molding；

Demoulding after solidification, lower boxing take out silica gel mould top half after dividing mould, upper boxing are not had to mould is divided to can be taken off silicon Sealing rubber die lower half portion, so far, silica gel mould completes；Upper and lower silica gel mould is stacked together, to prevent junction Gap leakiness close with clamping device real；

Then resin and curing agent are poured into along prefabricated resin formation of lots hole, after its solidification, first removes clamping device, it then will be upper Half part silica gel mould is removed, and at this moment molding prefabricated resin block body top half is just exposed, due to increase by Power area, can very convenient taking-up prefabricated resin block.

2. cement base non-light tight concrete mold according to claim 1, which is characterized in that the upper boxing, lower boxing are equal For rectangular parallelepiped structure.

3. cement base non-light tight concrete mold according to claim 1, which is characterized in that the boxing, top plate and bottom plate, Demarcation plate is made by acrylic board.

4. cement base non-light tight concrete mold according to claim 1, which is characterized in that prefabricated resin block prototype is real Heart cylindrical body, is made by acrylic board.

5. cement base non-light tight concrete mold according to claim 1, which is characterized in that prefabricated resin block prototype is at least One, and be uniformly in staggered distribution on bottom plate, highly it is lower than two 3-4 centimetres of boxing height.

6. cement base non-light tight concrete mold according to claim 1, which is characterized in that washed and dried in step 5) Upper and lower boxing is tightly bonded one layer of preservative film after release agent is sprayed on its surface again.