CN111761851B

CN111761851B - Connecting process for appearance composite material of electronic mechanical animal

Info

Publication number: CN111761851B
Application number: CN202010612487.4A
Authority: CN
Inventors: 张鹏; 李鑫鑫; 张本虎; 穆学志; 陈思义
Original assignee: Yangzhou Harbin Science And Technology Robot Research Institute Co ltd
Current assignee: Yangzhou Harbin Science And Technology Robot Research Institute Co ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2022-07-26
Anticipated expiration: 2040-06-30
Also published as: CN111761851A

Abstract

The invention discloses an appearance composite material connecting process of an electronic mechanical animal, which comprises the following steps: (1) manufacturing an electronic mechanical animal appearance body, and determining a boundary of a joint of the soft material part and the hard material part; (2) reinforcing the soft material area on the appearance body; (3) carrying out hard material region reinforcement treatment on the appearance body; (4) carrying out bonding pretreatment on the hard material area of the electronic mechanical animal; (5) and (4) bonding the appearance body obtained in the step (3) with the hard material area obtained in the step (4) to obtain the product. The invention can effectively solve the problem of seamless connection between the silica gel and the resin glass fiber reinforced plastic material and can achieve the connection strength required by stretching of an electronic mechanical animal.

Description

Connecting process for appearance composite material of electronic mechanical animal

Technical Field

The invention relates to the technical field of bionic material processing, in particular to an appearance composite material connection process for an electronic mechanical animal.

Background

In the research and development and production processes of electronic mechanical animals, some parts are required to be soft materials which can move, the moving effect is realized by deforming the soft materials through mechanical stretching appearance, and other parts of the product are all hard materials, so that the seamless connection between the soft materials and the hard materials is required to be ensured, the tensile strength of the connection is required to be ensured, and the natural transition of the connection part is also required to be ensured.

The existing process mainly fixes the connection of soft and hard materials by screws or buttons in the later stage of modeling, assists in processing gaps by various super glue, glass glue, resin glue and the like, so that the obtained effect is not beautiful enough, stress points of connection are not uniform, and great difficulty is caused to the quality, appearance effect and later maintenance of products. There are some problems in the connection technology involving composite materials at present: firstly, the edge treatment is not firm, cracks appear for a long time, the edges age and fall off, and the like; over-treatment of edges is unnatural, hard or hinders the mechanical operation rule; the connection points are inaccurate and unreasonable, do not accord with the action rule of animal motion muscles, and the effect is not vivid enough; the difficulty of the connection of the soft and hard materials is mainly that the two materials cannot be tightly adhered due to different material attributes, the connection cannot be realized only by the materials, the durability, the tensile strength and the service life cannot be ensured by using glue in the market for connecting, and the tearing, deformation and aging of the silica gel are easily caused by the hard connection method of the screw or the button.

Disclosure of Invention

The invention aims to provide a connecting process for an appearance composite material of an electromechanical animal, which can effectively solve the problem of seamless connection between silica gel and a resin glass fiber reinforced plastic material and can achieve the connection strength required by stretching of the electromechanical animal.

In order to achieve the above object, the present invention provides the following technical solutions:

a connecting process of appearance composite materials of electronic mechanical animals comprises the following steps:

(1) manufacturing an electronic mechanical animal appearance body, and determining a boundary of a joint of the soft material part and the hard material part;

(2) reinforcing the soft material area on the appearance body;

(3) carrying out hard material region reinforcement treatment on the appearance body;

(4) carrying out bonding pretreatment on the hard material area of the electronic mechanical animal;

(5) and (4) bonding the appearance body obtained in the step (3) with the hard material area obtained in the step (4) to obtain the product.

Further, in the step (1), the appearance body is a bionic skin made of silica gel.

Further, in the step (2), a layer of silica gel with a shore degree HA18 degree and a thickness of 0.15mm is coated on the soft material area, then the elastic cloth is adhered to the uncured silica gel, and the silica gel is waited to be completely cured; preferably, after the silica gel is solidified, repeating the same steps, and then adhering 1-2 layers of elastic cloth.

Further, in the step (3), a layer of 196 type unsaturated resin with the thickness of 0.15mm is coated on the hard material area, and then glass fiber cloth is adhered to the uncured silica gel to wait for the resin to be completely cured; preferably, after the resin is cured, the same steps are repeated, and 1-2 layers of glass fiber cloth are adhered.

Further, the step (4) comprises the following steps:

1) preparing an inelastic cotton cloth or gauze with the thickness of at least 1 mm, cutting the cotton cloth or gauze into required width according to the tensile strength, wherein the cut shape is completely fit with the trend and the shape of the boundary line;

2) coating a layer of unsaturated resin with the thickness not more than 1 mm on the surface of a hard material area of the electronic mechanical animal, wherein the width is larger than that of a cut cotton cloth or gauze, and then attaching the cotton cloth or the gauze before the resin is not cured to ensure that the resin is not soaked out of the cotton cloth or the gauze;

3) after curing, silica gel with a thickness of 1 mm is coated, and the silica gel is allowed to fully penetrate the cotton cloth or gauze to wait for complete curing.

Further, the step (5) is specifically as follows: bonding the hard material region of the appearance body obtained in the step (3) after being reinforced with the hard material region obtained in the step (4); and then the reinforced soft material area on the appearance body is bonded with the inner surface of the hard material area of the electronic mechanical animal by utilizing the elastic cloth, so that the connection process of the soft and hard materials is completed.

Further, 2-5 layers of elastic cloth are repeatedly pasted according to the tensile strength requirement.

Compared with the prior art, the invention has the following advantages:

1. the appearance of the soft and hard materials is attractive and firm in connection;

2. the connection effect accords with the muscle motion rule of animals, and the service life of the connection structure is effectively prolonged;

3. seamless connection of soft and hard materials is realized;

4. the tensile resistance of the connecting part of the product can reach 3.2-15.3 MPa.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example 1

The embodiment is a comprehensive body aiming at a plurality of soft and hard combinations or soft and hard decoration of the whole electronic mechanical mouse, mainly adopts seamless connection between soft material silica gel and hard material resin glass fiber reinforced plastics, and can meet the comprehensive requirements of the appearance of the electronic mechanical mouse, and the specific process steps are as follows:

1. fabrication of forms and molds

1.1 firstly, making a body mud draft according to an effect diagram of an electronic mechanical mouse,

1.2 determining the soft and hard area division according to the appearance material and mechanical action requirement of the electronic mechanical mouse, integrally dividing a die opening mould line according to the shape requirement, then making a soft and hard boundary marking line on the sculpture,

1.3 after the mud draft is finished, the shape is confirmed to be good without problems, and then a female die is made through copying the mud draft (materials required by the die are selected according to the difficulty of the shape and the requirement on the quantity of products, and a gypsum die is selected because the single shape of the product is simple based on the electronic mechanical mouse).

2. Making an appearance body according to the drawing requirements

2.1 according to the soft part requirement of the drawing, firstly using soft materials such as silica gel or glass cement to brush silica gel or glass cement on the soft part required by the mould (the electronic mechanical mouse adopts the brushing silica gel, the silica gel is a porous solid silicon dioxide material with large specific area, the model of the electronic mechanical mouse is different for each manufacturer, and the electronic mechanical mouse adopts 15-degree mould silica gel);

2.2 brushing for three times, brushing for one time, waiting until the curing is completely cured (curing time is added for each time according to the proportion of 100:3 of the curing agent, curing can be carried out at normal temperature for about 40 minutes), brushing for the next time, wherein the thickness of each time is about 0.2mm-0.5mm, and the coating thickness is ensured to be uniform as much as possible;

preferably, after the third curing, a layer of elastic cloth (silk stockings are selected for electromechanical mice) can be pasted to increase the flexibility and tensile strength of the elastic cloth, and the surface pasted with the elastic cloth is coated with silica gel for soaking the elastic cloth (the thickness is 0.2mm-0.5 mm).

3. Making soft part of appearance body according to drawing requirements

The specific operation is as follows:

3.1 brushing silica gel (the dosage of the silica gel is 1.3 times of that of each layer of brush coating, the viscosity of the silica gel is diluted by 10:3 blended gasoline or smearing machine water in stock solution) on a soft area until the silica gel is completely soaked, so that the silica gel and the brushed silica gel are fully and firmly combined until the silica gel is solidified;

3.2 according to the step 3.1, further attaching a layer of cotton cloth after the silica gel is cured, so that the contact surface of the cotton cloth and the silica gel is firmly attached, and paying attention not to soak the cotton cloth by the silica gel. After the lower layer of silica gel is completely hardened (about forty minutes), the hard zone is manufactured.

4. Making hard parts in the appearance body according to the drawing

4.1 in the prepared mould, the resin is brushed on the part which needs to use the hard material (the model of the resin is 196 #), the resin is brushed on the first time (the thickness is 0.6-0.9 mm) and the soft part is not brushed on the silica gel in thousands of times until the resin is solidified (the resin can be solidified in about half an hour according to the ratio of the resin to the solidifying agent of 100: 3)

4.2 the resin according to the above step 4.1 is cured and then, a second pass of the resin (thickness 1-1.3 mm) is applied (as little as possible to the soft part).

4.3 according to the step 4.2, after the second resin brushing, further spreading a layer of glass fiber cloth on the resin to increase the strength and toughness, and spreading the glass fiber cloth with the extra soft part or the cotton cloth with good toughness on the resin with the hard part;

4.4 according to the 4.3 steps further content, brush resin, the whole soft part of the uppermost cotton cloth and the hard part together, brush resin until the cotton cloth and the glass fiber cloth are completely soaked, according to the requirements of the electronic mechanical animal to reach the required thickness, until completely hardened (the time is approximately 1-2 hours for curing).

5. Integrated integration of electro-mechanical animal appearance

After the resin is hardened, the bodies are combined together according to the split mold lines, the hard direct resin is used for reinforcement and connection, the soft silica gel is used for connection with the elastic cloth, and the mold lines of the appearance of the whole electronic mechanical animal are further repaired.

The invention meets the design requirements and accords with the motion rule of a growth structure, further realizes the conciseness and convenience of overall multi-position soft-hard conversion, and the firmness and the attractiveness of joints, and also meets the requirement of a mechanical long-time motion product.

The above-mentioned embodiments only express the implementation manner of the present invention, and the description thereof is specific and detailed, but not to be understood as the limitation of the patent scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.

Claims

1. A connecting process of appearance composite materials of electronic mechanical animals is characterized by comprising the following steps:

(2) and reinforcing the soft material area on the appearance body: coating a layer of silica gel with the thickness of 0.15mm and the Shore degree HA18 degrees in the soft material area, then adhering the elastic cloth on the uncured silica gel, and waiting for the silica gel to be completely cured; after the silica gel is solidified, repeating the same steps, and then sticking 1-2 layers of elastic cloth;

(3) and carrying out hard material area reinforcing treatment on the appearance body: coating a layer of 196 type unsaturated resin with the thickness of 0.15mm on a hard material area, then sticking glass fiber cloth on uncured silica gel, and waiting for the resin to be completely cured; after the resin is solidified, repeating the same steps, and sticking 1-2 layers of glass fiber cloth;

(4) the method comprises the following steps of carrying out bonding pretreatment on a hard material area of the electronic mechanical animal, wherein the bonding pretreatment comprises the following steps:

1) preparing an inelastic cotton cloth or gauze with the thickness of at least more than 1 mm, cutting the cotton cloth or gauze into a required width according to the tensile strength, wherein the cut shape completely fits the trend and the shape of a boundary line;

2) coating a layer of unsaturated resin with the thickness not higher than 1 mm and the width larger than that of the cut cotton cloth or gauze on the surface of the hard material area of the electronic mechanical animal, and then attaching the cotton cloth or gauze before the resin is not cured to ensure that the resin does not permeate out of the cotton cloth or gauze;

3) after curing, coating silica gel with the thickness of 1 mm, and allowing the silica gel to completely permeate the cotton cloth or the gauze for complete curing;

(5) and (3) bonding the appearance body obtained in the step (3) with the hard material area obtained in the step (4), specifically: bonding the hardened hard material region of the appearance body obtained in the step (3) with the hard material region obtained in the step (4); and then the reinforced soft material area on the appearance body is bonded with the inner surface of the hard material area of the electronic mechanical animal by utilizing the elastic cloth, so that the connection process of the soft and hard materials is finished.

2. The process for connecting appearance composite materials of an electromechanical animal according to claim 1, wherein the appearance body in the step (1) is a bionic skin made of silica gel.

3. The process of claim 1, wherein 2-5 layers of stretch cloth are repeatedly adhered according to the tensile strength requirement.