Modeling glue for making three-dimensional copper relief by hammering and preparation method thereof

Abstract

The application discloses a model glue for making a three-dimensional copper relief by forging and a preparation method of the model glue. The preparation method of the model glue is as follows: taking 3-5 parts of paraffin, 2-3 parts of butadiene rubber and 2-3 parts of aluminum silicate fiber as raw materials according to mass fraction; first, 2.2-3.5 parts of paraffin are put into a first working cavity of a mud refining machine and are refined and pressed into flaky particles, and then the flaky particles are put into a second working cavity of the mud refining machine; then, 1.8-2.2 parts of butadiene rubber are put into the second working cavity of the mud refining machine and are refined and kneaded together with the paraffin into a soft paste; after that, 1.8-2.2 parts of aluminum silicate fiber are added into the paste and are refined and kneaded together with the paste until the aluminum silicate fiber is evenly distributed in the asbestos mixed paste; after that, the remaining paraffin, the remaining aluminum silicate fiber and the remaining butadiene rubber are sequentially added into the asbestos mixed paste and are refined and kneaded, and then the model glue is obtained. The model glue has stronger deformation and stretching performance, has a wider use range without any additional conditions, does not need to be heated when being repeatedly used, and has incomparable beneficial effects compared with the prior art.

Description

Technical Field

[0001] This invention belongs to the field of copper relief production technology, specifically, it relates to a model adhesive for forging and producing three-dimensional copper reliefs and its preparation method. Background Technology

[0002] Forging and chiseling copper reliefs (also known as forged reliefs, as opposed to cast copper reliefs) is a process that uses chiseling tools (hammers, chisels, etc.) or equipment (CNC hydraulic forging machines) to forge and chisel raised patterns on the surface of a copper billet, ultimately creating a beautiful copper relief artwork. During the forging and chiseling process, the copper billet needs a supporting material (also called a model adhesive, as it is expected to resemble the finished product shape after forging) to absorb and receive the energy from the chiseling tools (hammers, chisels, etc.) or equipment, thus allowing the copper billet to achieve the desired deformation as it transforms into the finished product.

[0003] In traditional crafts, sandbags are often used as model adhesive. However, since the sandbags cannot bond tightly with the copper blank, if too much sand is filled into the sandbag during the forging process of turning the copper blank into a finished product, the sand will not flow well within the sandbag and may not deform sufficiently with the copper plate. If too little sand is filled, the sand will flow well and may not deform accurately with the copper blank, thus affecting the forming accuracy and quality of the final copper relief craft.

[0004] To address the aforementioned technical issues, Chinese patent document ZL201410144290.7 discloses a shaping paste and its preparation method, which shows good application results in the two-dimensional forged copper relief production process using metal sheets. However, it has been found that it is not well-suited for the forging of three-dimensional copper reliefs with enclosed internal cavities and three-dimensional structures, especially in the CNC hydraulic forging process for three-dimensional copper reliefs.

[0005] The main reason for this drawback is that when the sealing cavity is filled with the shaping paste disclosed in ZL201410144290.7, the density of the shaping paste can not meet the deformation requirements of the three-dimensional copper relief when it shrinks to its limit during the forging process of certain shaped copper reliefs.

[0006] As people's aesthetic standards improve, the patterns and shapes of three-dimensional copper relief crafts (referred to as three-dimensional copper reliefs) are becoming increasingly rich and diverse. At the same time, with the maturity of CNC technology, in order to improve the efficiency of finished product production, the technology of making copper reliefs by CNC hydraulic forging has also been developing. However, the existing technology has brought great limitations to the richness of the patterns and shapes of three-dimensional copper reliefs because the model glue cannot fully meet the needs of use. Summary of the Invention

[0007] The purpose of this invention is to provide a model adhesive for forging and making three-dimensional copper reliefs and its preparation method.

[0008] To achieve the above objectives, the technical solution adopted by the present invention is: a model adhesive for forging and making three-dimensional copper reliefs, wherein the model adhesive is mainly composed of the following components by mass: 3-5 parts paraffin wax, 2-3 parts nitrile rubber, and 2-3 parts aluminum silicate fiber.

[0009] A method for preparing a model adhesive for forging three-dimensional copper reliefs includes the following steps:

[0010] (1) Take 3-5 parts of paraffin wax, 2-3 parts of nitrile rubber and 2-3 parts of aluminum silicate fiber by weight as raw materials for later use;

[0011] (2) Take 2.2 to 3.5 parts of paraffin wax from the prepared materials and put it into the primary working chamber of the pumice machine. After pressing it into flaky particles, it enters the secondary working chamber of the pumice machine.

[0012] (3) Take 1.8 to 2.2 parts of nitrile rubber from the prepared materials and put it into the secondary working chamber of the ply mill and knead it together with paraffin wax into a soft paste;

[0013] (4) Take 1.8 to 2.2 parts of aluminum silicate fiber from the prepared materials and add it to the above paste. Knead it together with the paste until the aluminum silicate fiber is evenly distributed in the paste to form an asbestos mixed paste.

[0014] (5) Add the remaining paraffin wax from the preparation to the above asbestos mixture paste, and continue kneading for 13-16 minutes before proceeding to the next step.

[0015] (6) Add the remaining aluminum silicate fiber in the preparation to the asbestos mixture paste after kneading in step (5), and continue kneading for 13-16 minutes before proceeding to the next step.

[0016] (7) Add the remaining nitrile rubber in the preparation to the asbestos mixture paste after kneading in step (6), and continue kneading for 13 to 16 minutes to obtain the mixture as the modeling glue.

[0017] Furthermore, the flaky particles mentioned in step (2) are scaly particles.

[0018] Furthermore, the aluminum silicate fiber has a diameter of 3-5 micrometers and a length of 2-5 centimeters.

[0019] Beneficial effects:

[0020] According to the present invention, the three-dimensional copper relief model adhesive obtained by using paraffin wax, nitrile rubber, and aluminum silicate fiber through the preparation process of the present invention has more ideal expansion and contraction deformation properties. During the copper relief production process, it can absorb the energy from the copper relief force-applying component through its own shrinkage and deformation, meeting the usage requirements of three-dimensional structure (cavity structure) copper relief model adhesive, and can easily detach from the product after use (without heating), facilitating subsequent reuse. It is particularly suitable for the production process of CNC hydraulic forging three-dimensional copper reliefs, solving the technical problem in the prior art where the copper relief model adhesive cannot meet the requirements, resulting in the copper relief product's production size and precision not meeting design needs, and has significant beneficial effects.

[0021] In addition, the modeling adhesive produced by this invention has a hardness that can be used below 10°C. Specifically, it can maintain a suitable hardness between 10°C and 5°C, ensuring good deformation performance, thereby expanding the practical application of the modeling adhesive. Attached Figure Description

[0022] Figure 1 This is a schematic diagram illustrating the state of the model adhesive before forging and use in this invention.

[0023] Figure 2 This is a schematic diagram illustrating the state of the model adhesive after forging according to the present invention.

[0024] In the diagram, 1 is aluminum silicate fiber, and 2 is a mixture of paraffin wax and nitrile rubber. Detailed Implementation

[0025] A model adhesive for forging and creating three-dimensional copper reliefs, comprising, by weight, the following components: 3-5 parts paraffin wax, 2-3 parts nitrile rubber, and 2-3 parts aluminum silicate fiber.

[0026] A method for preparing a model adhesive for forging three-dimensional copper reliefs includes the following steps:

[0027] (1) Take 3-5 parts of paraffin wax, 2-3 parts of nitrile rubber and 2-3 parts of aluminum silicate fiber by weight as raw materials for later use;

[0028] (2) Take 2.2 to 3.5 parts of paraffin wax from the preparation and put it into the primary working chamber of the ply mill. After pressing it into flaky granules, it enters the secondary working chamber of the ply mill. The purpose of pressing the paraffin wax into flaky granules in this step is to increase its contact area with nitrile rubber in subsequent steps.

[0029] (3) Take 1.8 to 2.2 parts of nitrile rubber from the prepared materials and put it into the secondary working chamber of the ply mill and knead it together with paraffin wax to form a soft paste. This step of mixing and kneading nitrile rubber with paraffin wax can soften the paraffin wax and make it easier to combine with the asbestos limit in the subsequent steps.

[0030] (4) Take 1.8 to 2.2 parts of aluminum silicate fiber from the prepared materials and add it to the above paste. Knead it together with the paste until the aluminum silicate fiber is evenly distributed in the paste to form an asbestos mixture paste. In this step, since a clay kneading machine is used for kneading (similar to kneading dough on a cutting board), crystallization can be avoided and loose granules will not appear.

[0031] (5) Add the remaining paraffin wax from the preparation to the above asbestos mixture paste, and continue kneading for 13-16 minutes before proceeding to the next step. The paraffin wax added in this step is mainly used to control the hardness of the asbestos mixture paste.

[0032] (6) Add the remaining aluminum silicate fiber in the preparation to the asbestos mixture paste after kneading in step (5), and continue kneading for 13-16 minutes before proceeding to the next step.

[0033] (7) Add the remaining nitrile rubber in the preparation to the asbestos mixture after kneading in step (6), and continue kneading for 13-16 minutes to increase the toughness of the asbestos mixture. The resulting mixture is the modeling glue.

[0034] Example 1:

[0035] The model adhesive used for forging and creating three-dimensional copper reliefs consists of the following components by weight: 3 parts paraffin wax, 2 parts nitrile rubber, and 2 parts aluminum silicate fiber.

[0036] In this embodiment, the preparation method of the model adhesive for forging and creating three-dimensional copper reliefs is as follows:

[0037] (1) Take 3 parts of paraffin wax, 2 parts of nitrile rubber and 2 parts of aluminum silicate fiber by weight as raw materials for later use;

[0038] (2) Take 2.2 parts of paraffin wax from the prepared materials and put it into the primary working chamber of the pumice machine. After pressing it into flaky particles, it enters the secondary working chamber of the pumice machine.

[0039] (3) Take 1.8 parts of nitrile rubber from the prepared materials and put it into the secondary working chamber of the ply mill and knead it together with paraffin wax into a soft paste;

[0040] (4) Take 1.8 parts of aluminum silicate fiber from the prepared materials and add it to the above paste. Knead it together with the paste until the aluminum silicate fiber is evenly distributed in the paste to form an asbestos mixed paste.

[0041] (5) Add the remaining paraffin wax from the preparation to the above asbestos mixture paste, continue kneading for 13 minutes, and then proceed to the next step.

[0042] (6) Add the remaining aluminum silicate fiber in the preparation to the asbestos mixture after kneading in step (5), and continue kneading for 13 minutes before proceeding to the next step.

[0043] (7) Add the remaining nitrile rubber in the preparation to the asbestos mixture paste after kneading in step (6), and continue kneading for 13 minutes to obtain the mixture as the modeling glue.

[0044] Example 2:

[0045] The model adhesive used for forging and creating three-dimensional copper reliefs consists of the following components by weight: 3 parts paraffin wax, 2 parts nitrile rubber, and 2 parts aluminum silicate fiber.

[0046] In this embodiment, the preparation method of the model adhesive for forging and creating three-dimensional copper reliefs is as follows:

[0047] (1) Take 5 parts of paraffin wax, 3 parts of nitrile rubber and 3 parts of aluminum silicate fiber by weight as raw materials for later use;

[0048] (2) Take 3.5 parts of paraffin wax from the prepared materials and put it into the primary working chamber of the pumice machine. After pressing it into flaky granules, it enters the secondary working chamber of the pumice machine.

[0049] (3) Take 2.2 parts of nitrile rubber from the prepared materials and put it into the secondary working chamber of the ply mill and knead it together with paraffin wax into a soft paste;

[0050] (4) Take 2.2 parts of aluminum silicate fiber from the prepared materials and add it to the above paste. Knead it together with the paste until the aluminum silicate fiber is evenly distributed in the paste to form an asbestos mixed paste.

[0051] (5) Add the remaining paraffin wax from the preparation to the above asbestos mixture paste, continue kneading for 16 minutes, and then proceed to the next step.

[0052] (6) Add the remaining aluminum silicate fiber in the preparation to the asbestos mixture after kneading in step (5), and continue kneading for 15 minutes before proceeding to the next step.

[0053] (7) Add the remaining nitrile rubber in the preparation to the asbestos mixture after kneading in step (6), and continue kneading for 16 minutes to obtain the mixture as the modeling glue.

[0054] Example 3:

[0055] The model adhesive used for forging and creating three-dimensional copper reliefs consists of the following components by weight: 3 parts paraffin wax, 2.5 parts nitrile rubber, and 2 parts aluminum silicate fiber.

[0056] The method for preparing the model adhesive for forging and creating three-dimensional copper reliefs includes the following steps:

[0057] (1) Take 3 parts of paraffin wax, 2.5 parts of nitrile rubber and 2 parts of aluminum silicate fiber by weight as raw materials for later use;

[0058] (2) Take 2.2 parts of paraffin wax from the prepared materials and put it into the primary working chamber of the pumice machine. After pressing it into flaky particles, it enters the secondary working chamber of the pumice machine.

[0059] (3) Take 2 parts of nitrile rubber from the prepared materials and put them into the secondary working chamber of the ply mash machine and knead them together with paraffin wax into a soft paste;

[0060] (4) Take 1.8 parts of aluminum silicate fiber from the prepared materials and add it to the above paste. Knead it together with the paste until the aluminum silicate fiber is evenly distributed in the paste to form an asbestos mixed paste.

[0061] (5) Add the remaining paraffin wax from the preparation to the above asbestos mixture paste, continue kneading for 14 minutes, and then proceed to the next step;

[0062] (6) Add the remaining aluminum silicate fiber in the preparation to the asbestos mixture after kneading in step (5), and continue kneading for 13 minutes before proceeding to the next step.

[0063] (7) Add the remaining nitrile rubber in the preparation to the asbestos mixture paste after kneading in step (6), and continue kneading for 15 minutes to obtain the mixture as the modeling glue.

[0064] Example 4:

[0065] The model adhesive used for forging and creating three-dimensional copper reliefs consists of the following components by weight: 3-5 parts paraffin wax, 2-3 parts nitrile rubber, and 2-3 parts aluminum silicate fiber.

[0066] The method for preparing the model adhesive for forging and creating three-dimensional copper reliefs includes the following steps:

[0067] (1) Take 3.5 parts of paraffin wax, 3 parts of nitrile rubber and 2.5 parts of aluminum silicate fiber by weight as raw materials for later use;

[0068] (2) Take 2.5 parts of paraffin wax from the prepared materials and put it into the primary working chamber of the pumice machine. After pressing it into flaky particles, it enters the secondary working chamber of the pumice machine.

[0069] (3) Take 2.2 parts of nitrile rubber from the prepared materials and put it into the secondary working chamber of the ply mill and knead it together with paraffin wax into a soft paste;

[0070] (4) Take 2 parts of aluminum silicate fiber from the prepared materials and add them to the above paste. Knead them together with the paste until the aluminum silicate fiber is evenly distributed in the paste to form an asbestos mixed paste.

[0071] (5) Add the remaining paraffin wax from the preparation to the above asbestos mixture paste, continue kneading for 15 minutes, and then proceed to the next step;

[0072] (6) Add the remaining aluminum silicate fiber in the preparation to the asbestos mixture after kneading in step (5), and continue kneading for 15 minutes before proceeding to the next step.

[0073] (7) Add the remaining nitrile rubber in the preparation to the asbestos mixture paste after kneading in step (6), and continue kneading for 15 minutes to obtain the mixture as the modeling glue.

[0074] Example 5:

[0075] The model adhesive used for forging and creating three-dimensional copper reliefs consists of the following components by weight: 5 parts paraffin wax, 2.5 parts nitrile rubber, and 3 parts aluminum silicate fiber.

[0076] The method for preparing the model adhesive for forging and creating three-dimensional copper reliefs includes the following steps:

[0077] (1) Take 5 parts of paraffin wax, 2.5 parts of nitrile rubber and 3 parts of aluminum silicate fiber by weight as raw materials for later use;

[0078] (2) Take 3.5 parts of paraffin wax from the prepared materials and put it into the primary working chamber of the pumice machine. After pressing it into flaky granules, it enters the secondary working chamber of the pumice machine.

[0079] (3) Take 2 parts of nitrile rubber from the prepared materials and put them into the secondary working chamber of the ply mash machine and knead them together with paraffin wax into a soft paste;

[0080] (4) Take 2.2 parts of aluminum silicate fiber from the prepared materials and add it to the above paste. Knead it together with the paste until the aluminum silicate fiber is evenly distributed in the paste to form an asbestos mixed paste.

[0081] (5) Add the remaining paraffin wax from the preparation to the above asbestos mixture paste, continue kneading for 13 minutes, and then proceed to the next step;

[0082] (6) Add the remaining aluminum silicate fiber in the preparation to the asbestos mixture after kneading in step (5), and continue kneading for 14 minutes before proceeding to the next step.

[0083] (7) Add the remaining nitrile rubber in the preparation to the asbestos mixture after kneading in step (6), and continue kneading for 16 minutes to obtain the mixture as the modeling glue.

[0084] Example 6:

[0085] The model adhesive used for forging and creating three-dimensional copper reliefs is composed of the following components by weight: 3.5 parts paraffin wax, 2 parts nitrile rubber, and 2.5 parts aluminum silicate fiber.

[0086] The method for preparing the model adhesive for forging and creating three-dimensional copper reliefs includes the following steps:

[0087] (1) Take 3.5 parts of paraffin wax, 2 parts of nitrile rubber and 2.5 parts of aluminum silicate fiber by weight as raw materials for later use;

[0088] (2) Take 2.5 parts of paraffin wax from the prepared materials and put it into the primary working chamber of the pumice machine. After pressing it into flaky particles, it enters the secondary working chamber of the pumice machine.

[0089] (3) Take 2 parts of nitrile rubber from the prepared materials and put them into the secondary working chamber of the ply mash machine and knead them together with paraffin wax into a soft paste;

[0090] (4) Take 2 parts of aluminum silicate fiber from the prepared materials and add them to the above paste. Knead them together with the paste until the aluminum silicate fiber is evenly distributed in the paste to form an asbestos mixed paste.

[0091] (5) Add the remaining paraffin wax from the preparation to the above asbestos mixture paste, continue kneading for 14 minutes, and then proceed to the next step;

[0092] (6) Add the remaining aluminum silicate fiber in the preparation to the asbestos mixture after kneading in step (5), and continue kneading for 15 minutes before proceeding to the next step.

[0093] (7) Add the remaining nitrile rubber in the preparation to the asbestos mixture after kneading in step (6), and continue kneading for 16 minutes to obtain the mixture as the modeling glue.

[0094] In the above embodiments, all the pumice machines used can pumice paraffin into flake-like particles in step (2). If other pumice machines are used, by changing the blade structure, the flakes can also be in the form of cakes or other flakes.

[0095] In the above embodiments, the diameter of the aluminum silicate fiber is 3-5 micrometers and the length is 2-5 centimeters.

[0096] In the above embodiments, Examples 1 and 2 were carried out at room temperature (25°C); Examples 3 and 4 were carried out at 18°C; Examples 5 were carried out at 10°C; and Examples 6 were carried out at room temperature (5°C).

[0097] In use, nitrile rubber can be applied to the inner wall of the cavity of the copper billet to enhance the adhesion between the modeling adhesive and the inner wall of the cavity. Then, the prepared modeling adhesive is poured into the sealed cavity of the copper billet to fill it completely. After sealing the cavity, the copper billet is then forged. The modeling adhesive of this invention is particularly suitable for CNC hydraulic forging. After the copper relief forging is completed, the modeling adhesive in the copper relief cavity is poured out and collected in a container for future use. Practical application has shown that the modeling adhesive exhibits good deformation and stretching properties at the aforementioned temperatures.

[0098] The modeling gel of this invention, through the kneading of the three selected components in a kneading machine, not only has stronger deformation and stretching properties, but also has a wider range of applications without any additional conditions. It does not require heating when reused (when reused, in order to improve its application effect, it can be placed in the secondary chamber of the kneading machine for a short kneading, such as 1-2 minutes), which has beneficial effects that are not available in the prior art.

[0099] The above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Those skilled in the art should understand that modifications or equivalent substitutions can be made to the specific implementation of the present invention with reference to the above embodiments. Any modifications or equivalent substitutions that do not depart from the spirit and scope of the present invention are within the protection scope of the claims of the present invention.

Claims

1. A model adhesive for forging and creating three-dimensional copper reliefs, characterized in that: The model adhesive, by weight, consists of the following components: Composition: 3-5 parts paraffin wax, 2-3 parts nitrile rubber, 2-3 parts aluminum silicate fiber; the aluminum silicate fiber has a diameter of 3-5 micrometers and a length of 2-5 centimeters.

2. The method for preparing a model adhesive for forging and creating three-dimensional copper reliefs as described in claim 1, characterized in that, Includes the following steps: (1) Take 3-5 parts of paraffin wax, 2-3 parts of nitrile rubber and 2-3 parts of aluminum silicate fiber by weight as raw materials for later use; (2) Take 2.2 to 3.5 parts of paraffin wax from the prepared materials and put it into the primary working chamber of the pumice machine. After pressing it into flaky particles, it enters the secondary working chamber of the pumice machine. (3) Take 1.8 to 2.2 parts of nitrile rubber from the prepared materials and put it into the secondary working chamber of the ply mill and knead it together with paraffin wax to form a soft paste; (4) Take 1.8 to 2.2 parts of aluminum silicate fiber from the prepared materials and add it to the above paste. Knead it together with the paste until the aluminum silicate fiber is evenly distributed in the paste to form an aluminum silicate fiber mixed paste. (5) Add the remaining paraffin wax from the preparation to the above aluminum silicate fiber mixture paste, and continue kneading for 13-16 minutes before proceeding to the next step. (6) Add the remaining aluminum silicate fiber in the preparation to the aluminum silicate fiber mixture after kneading in step (5), and continue kneading for 13-16 minutes before proceeding to the next step. (7) Add the remaining nitrile rubber in the preparation to the aluminum silicate fiber mixture after kneading in step (6), and continue kneading for 13-16 minutes to obtain the mixture as modeling glue.

3. The method for preparing a model adhesive for forging and creating three-dimensional copper reliefs as described in claim 2, characterized in that, The flaky particles mentioned in step (2) are scaly particles.

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