1. A method for processing an opposite-type curved surface is characterized in that: the processing method of the special-shaped curved surface needs to use the following instruments and props during operation: one oven, one forming die, a butt clamp plate, a drawing steel wire rope, one drilling machine and one compressed air blower.

2. The method for processing an opposite curved surface according to claim 1, wherein: the method comprises the following steps:

the processing method of the special-shaped curved surface comprises the following steps:

s1, cleaning the forming oven, removing the protective oil on the forming mould, wiping the forming mould, uniformly coating a thin layer of silicone oil on the surface of the mould, and checking whether switches, heating systems, control systems and the like of all parts of the oven system are normal;

s2, installing butt-clamping plates on two long edges of the cleaned organic glass raw material, and placing the cleaned organic glass raw material on a forming die after checking whether the organic glass raw material is abnormal; hanging a drawn steel wire rope, and adjusting two ends of the drawn steel wire rope after the drawn steel wire rope is hung;

s3, pressing the clamping and retracting button to add the pre-tightening tension to the value needed by the corresponding product; adjusting the control program parameters of the oven according to the temperature curve table for forming each product, starting the oven to carry out the first forming, and observing the inside of the oven in time in the process of the oven gomper to avoid the overhigh temperature inside the oven;

s4, cooling to below 40 ℃ after the effective areas of the left and right surfaces are jointed with the die;

s5, drilling tension holes at the front end and the rear end of the glass, blowing the chippings clean by compressed air after drilling, and installing a tension clamp and connecting the tension clamp with the hydraulic actuating cylinder;

s6, adjusting the parameters of the oven control program according to the temperature curve table for forming each product, and starting the oven to form for the second time;

s7, heating to the temperature required by the product for the second time, and controlling the heating rate; controlling the large end (clamping and compressing) tension and the small end (clamping and compressing) tension of the actuating cylinder according to the film sticking degree, keeping the temperature and shaping for 60-90 min after the effective area of the glass is completely stuck with the mold, and finally naturally cooling to room temperature;

and S8, opening the box door, loosening the bolts, taking down the force application clamping plate, and taking out the molded glass to finish the whole preparation and molding process.

3. The method for processing an opposite curved surface according to claim 2, wherein: in the step S2, the tightness of the two long-side steel cables is adjusted to be uniform, and the center line of the organic glass raw material is aligned with the reference line of the mold.

4. The method for processing an opposite curved surface according to claim 2, wherein: in the step S3, after the temperature of the oven reaches the softening temperature of the raw material, the tension of the molded large end is manually adjusted, and the auxiliary heating temperature is adjusted according to the difference of the die attaching degree.

5. The method for processing an opposite curved surface according to claim 2, wherein: in step S7, the heating rate is controlled so that the heating temperature rises to 105-110 ℃.

6. The method for processing an opposite curved surface according to claim 2, wherein: in step S8, after the molded glass is taken out, the space inside the door can be cleaned, and the glass fragments can be cleaned by using a vacuum blower, thereby avoiding troubles in subsequent processing.

Background

Polymethyl methacrylate (PMMA) is a popular name. The chemical name of the high molecular transparent material is polymethyl methacrylate, which is a high molecular compound polymerized by methyl methacrylate. Is an important thermoplastic which was developed earlier. The polymer obtained by polymerizing acrylic acid and esters thereof serving as raw materials of organic glass is generally called acrylic resin, the corresponding plastic is generally called polyacrylic plastic, and the polymethyl methacrylate is most widely applied. Polymethyl methacrylate is abbreviated as PMMA, is commonly called organic glass, has good light transmission performance, can transmit more than 92 percent of sunlight, and has 73.5 percent of ultraviolet rays; the composite material has the advantages of high mechanical strength, certain heat and cold resistance, corrosion resistance, good insulating property, stable size, easy forming, crisp texture, easy dissolution in organic solvents, insufficient surface hardness and easy brushing, and can be used as a transparent structural member with certain strength, such as an oil cup, a car lamp, an instrument part, an optical lens, a decorative gift and the like.

The existing forming technology and forming die are difficult to manufacture the organic glass product with the special-shaped curved surface, the requirement of the aviation field for the glass with the special-shaped curved surface is increased day by day, and the market requirement cannot be met by the existing technology.

Disclosure of Invention

The invention aims to: in order to solve the problems, a method for processing an opposite curved surface is provided.

The technical scheme adopted by the invention is as follows: a method for processing a special-shaped curved surface needs the following instruments and props when in operation: one oven, a forming die, a clamping plate, a drawing steel wire rope, one drilling machine and one compressed air blower, wherein in a preferred embodiment, the method for processing the special-shaped curved surface comprises the following steps:

s1, cleaning the forming oven, removing the protective oil on the forming mould, wiping the forming mould, uniformly coating a thin layer of silicone oil on the surface of the mould, and checking whether switches, heating systems, control systems and the like of all parts of the oven system are normal;

s2, installing butt-clamping plates on two long edges of the cleaned organic glass raw material, and placing the cleaned organic glass raw material on a forming die after checking whether the organic glass raw material is abnormal; hanging a drawn steel wire rope, and adjusting two ends of the drawn steel wire rope after the drawn steel wire rope is hung;

s3, pressing the clamping and retracting button to add the pre-tightening tension to the value needed by the corresponding product; adjusting the control program parameters of the oven according to the temperature curve table for forming each product, starting the oven to carry out the first forming, and observing the inside of the oven in time in the process of the oven gomper to avoid the overhigh temperature inside the oven;

s4, cooling to below 40 ℃ after the effective areas of the left and right surfaces are jointed with the die;

s5, drilling tension holes at the front end and the rear end of the glass, blowing the chippings clean by compressed air after drilling, and installing a tension clamp and connecting the tension clamp with the hydraulic actuating cylinder;

s6, adjusting the parameters of the oven control program according to the temperature curve table for forming each product, and starting the oven to form for the second time;

s7, heating to the temperature required by the product for the second time, and controlling the heating rate; controlling the large end (clamping and compressing) tension and the small end (clamping and compressing) tension of the actuating cylinder according to the film sticking degree, keeping the temperature and shaping for 60-90 min after the effective area of the glass is completely stuck with the mold, and finally naturally cooling to room temperature;

and S8, opening the box door, loosening the bolts, taking down the force application clamping plate, and taking out the molded glass to finish the whole preparation and molding process.

In a preferred embodiment, in step S2, the tightness of the two long-side wire ropes is adjusted to be uniform, and the center line of the organic glass raw material is aligned with the mold reference line.

In a preferred embodiment, in step S3, after the oven temperature reaches the raw material softening temperature, the tension of the large end of the molding is manually adjusted, and the auxiliary heating temperature is adjusted according to the difference of the die attaching degree.

In a preferred embodiment, in step S7, the heating rate is controlled so that the heating temperature is increased to 105 ℃ to 110 ℃.

In a preferred embodiment, in step S8, after the molded glass is taken out, the space inside the door may be cleaned, and a vacuum blower may be used to clean the glass scraps, so as to avoid troubles in subsequent processing.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. in the invention, the demand of the front aviation transparent part field on the special-shaped curved surface transparent part is gradually increased, but the domestic technology is difficult to meet the market demand, and particularly, the civil aviation field meets the demand of the product in an imported mode. Chengdu Kyoho glass company has found a blank part in this field and has developed a technology. Finally, the special-shaped curved surface processing technology is successfully realized. Compared with products imported from foreign countries, the price of the subsequent production is more advantageous, thereby bringing greater economic benefits to the company.

2. In the invention, after the forming is finished, the glass is taken out, and the glass scraps are cleaned by the vacuum blower, so that the trouble caused by subsequent processing is avoided, and the environmental protection and the neatness of the method are improved.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

a method for processing a special-shaped curved surface needs the following instruments and props when in operation: one oven, one forming die, a butt clamp plate, a drawing steel wire rope, one drilling machine and one compressed air blower.

The processing method of the special-shaped curved surface comprises the following steps:

s1, cleaning the forming oven, removing the protective oil on the forming mould, wiping the forming mould, uniformly coating a thin layer of silicone oil on the surface of the mould, and checking whether switches, heating systems, control systems and the like of all parts of the oven system are normal;

s2, installing butt-clamping plates on two long edges of the cleaned organic glass raw material, and placing the cleaned organic glass raw material on a forming die after checking whether the organic glass raw material is abnormal; hanging a drawn steel wire rope, and adjusting two ends of the drawn steel wire rope after the drawn steel wire rope is hung; in the step S2, the tightness of the two long-side steel cables is adjusted to be uniform, and the center line of the organic glass raw material is aligned with the reference line of the mold;

s3, pressing the clamping and retracting button to add the pre-tightening tension to the value needed by the corresponding product; adjusting the control program parameters of the oven according to the temperature curve table for forming each product, starting the oven to carry out the first forming, and observing the inside of the oven in time in the process of the oven gomper to avoid the overhigh temperature inside the oven; in the step S3, after the temperature of the oven reaches the softening temperature of the raw materials, manually adjusting the tension of the large end to be molded, and adjusting the auxiliary heating temperature according to different die attaching degrees;

s4, cooling to below 40 ℃ after the effective areas of the left and right surfaces are jointed with the die;

s5, drilling tension holes at the front end and the rear end of the glass, blowing the chippings clean by compressed air after drilling, and installing a tension clamp and connecting the tension clamp with the hydraulic actuating cylinder;

s6, adjusting the parameters of the oven control program according to the temperature curve table for forming each product, and starting the oven to form for the second time;

s7, heating to the temperature required by the product for the second time, and controlling the heating rate; controlling the large end (clamping and compressing) tension and the small end (clamping and compressing) tension of the actuating cylinder according to the film sticking degree, keeping the temperature and shaping for 60min after the effective area of the glass is completely stuck with the mold, and finally naturally cooling to the room temperature; in the step S7, the heating rate is controlled so that the heating temperature is raised to 105 ℃;

s8, opening the box door, loosening the bolt, taking down the force application clamping plate, and taking out the molded glass to finish the whole process of preparation and molding; in the step S8, after the molded glass is taken out, the space inside the box door can be cleaned, and a vacuum blower can be used for cleaning glass scraps, so that troubles caused by subsequent processing are avoided; the demand of the front aviation transparent part field for the special-shaped curved surface transparent part is gradually increased, but the domestic technology is difficult to meet the market demand, and particularly the civil aviation field meets the demand of the products in an imported mode. Chengdu Kyoho glass company has found a blank part in this field and has developed a technology. Finally, the special-shaped curved surface processing technology is successfully realized. Compared with foreign imported products, the price of the subsequent production is more advantageous, thereby bringing greater economic benefit to the company; after the forming is finished, the glass is taken out, and the vacuum blower is used for cleaning the glass scraps, so that the trouble caused by subsequent processing is avoided, and the environmental protection and the neatness of the method are improved.

Example two:

a method for processing a special-shaped curved surface needs the following instruments and props when in operation: one oven, one forming die, a butt clamp plate, a drawing steel wire rope, one drilling machine and one compressed air blower.

The processing method of the special-shaped curved surface comprises the following steps:

s1, cleaning the forming oven, removing the protective oil on the forming mould, wiping the forming mould, uniformly coating a thin layer of silicone oil on the surface of the mould, and checking whether switches, heating systems, control systems and the like of all parts of the oven system are normal;

s2, installing butt-clamping plates on two long edges of the cleaned organic glass raw material, and placing the cleaned organic glass raw material on a forming die after checking whether the organic glass raw material is abnormal; hanging a drawn steel wire rope, and adjusting two ends of the drawn steel wire rope after the drawn steel wire rope is hung; in the step S2, the tightness of the two long-side steel cables is adjusted to be uniform, and the center line of the organic glass raw material is aligned with the reference line of the mold;

s3, pressing the clamping and retracting button to add the pre-tightening tension to the value needed by the corresponding product; adjusting the control program parameters of the oven according to the temperature curve table for forming each product, starting the oven to carry out the first forming, and observing the inside of the oven in time in the process of the oven gomper to avoid the overhigh temperature inside the oven; in the step S3, after the temperature of the oven reaches the softening temperature of the raw materials, manually adjusting the tension of the large end to be molded, and adjusting the auxiliary heating temperature according to different die attaching degrees;

s4, cooling to below 40 ℃ after the effective areas of the left and right surfaces are jointed with the die;

s5, drilling tension holes at the front end and the rear end of the glass, blowing the chippings clean by compressed air after drilling, and installing a tension clamp and connecting the tension clamp with the hydraulic actuating cylinder;

s6, adjusting the parameters of the oven control program according to the temperature curve table for forming each product, and starting the oven to form for the second time;

s7, heating to the temperature required by the product for the second time, and controlling the heating rate; controlling the large end (clamping and compressing) tension and the small end (clamping and compressing) tension of the actuating cylinder according to the film sticking degree, keeping the temperature and shaping for 70min after the effective area of the glass is completely stuck with the mold, and finally naturally cooling to the room temperature; in the step S7, controlling the heating rate at the moment so that the heating temperature is increased to 107 ℃;

s8, opening the box door, loosening the bolt, taking down the force application clamping plate, and taking out the molded glass to finish the whole process of preparation and molding; in the step S8, after the molded glass is taken out, the space inside the box door can be cleaned, and a vacuum blower can be used for cleaning glass scraps, so that troubles caused by subsequent processing are avoided; the demand of the front aviation transparent part field for the special-shaped curved surface transparent part is gradually increased, but the domestic technology is difficult to meet the market demand, and particularly the civil aviation field meets the demand of the products in an imported mode. Chengdu Kyoho glass company has found a blank part in this field and has developed a technology. Finally, the special-shaped curved surface processing technology is successfully realized. Compared with foreign imported products, the price of the subsequent production is more advantageous, thereby bringing greater economic benefit to the company; after the forming is finished, the glass is taken out, and the vacuum blower is used for cleaning the glass scraps, so that the trouble caused by subsequent processing is avoided, and the environmental protection and the neatness of the method are improved.

Example three:

a method for processing a special-shaped curved surface needs the following instruments and props when in operation: one oven, one forming die, a butt clamp plate, a drawing steel wire rope, one drilling machine and one compressed air blower.

The processing method of the special-shaped curved surface comprises the following steps:

s1, cleaning the forming oven, removing the protective oil on the forming mould, wiping the forming mould, uniformly coating a thin layer of silicone oil on the surface of the mould, and checking whether switches, heating systems, control systems and the like of all parts of the oven system are normal;

s2, installing butt-clamping plates on two long edges of the cleaned organic glass raw material, and placing the cleaned organic glass raw material on a forming die after checking whether the organic glass raw material is abnormal; hanging a drawn steel wire rope, and adjusting two ends of the drawn steel wire rope after the drawn steel wire rope is hung; in the step S2, the tightness of the two long-side steel cables is adjusted to be uniform, and the center line of the organic glass raw material is aligned with the reference line of the mold;

s3, pressing the clamping and retracting button to add the pre-tightening tension to the value needed by the corresponding product; adjusting the control program parameters of the oven according to the temperature curve table for forming each product, starting the oven to carry out the first forming, and observing the inside of the oven in time in the process of the oven gomper to avoid the overhigh temperature inside the oven; in the step S3, after the temperature of the oven reaches the softening temperature of the raw materials, manually adjusting the tension of the large end to be molded, and adjusting the auxiliary heating temperature according to different die attaching degrees;

s4, cooling to below 40 ℃ after the effective areas of the left and right surfaces are jointed with the die;

s5, drilling tension holes at the front end and the rear end of the glass, blowing the chippings clean by compressed air after drilling, and installing a tension clamp and connecting the tension clamp with the hydraulic actuating cylinder;

s6, adjusting the parameters of the oven control program according to the temperature curve table for forming each product, and starting the oven to form for the second time;

s7, heating to the temperature required by the product for the second time, and controlling the heating rate; controlling the large end and small end (clamping and compressing) tension of the actuating cylinder according to the film sticking degree, keeping the temperature and shaping for 80min after the effective area of the glass is completely stuck with the mold, and finally naturally cooling to room temperature; in the step S7, controlling the heating rate so that the heating temperature rises to 108 ℃;

s8, opening the box door, loosening the bolt, taking down the force application clamping plate, and taking out the molded glass to finish the whole process of preparation and molding; in the step S8, after the molded glass is taken out, the space inside the box door can be cleaned, and a vacuum blower can be used for cleaning glass scraps, so that troubles caused by subsequent processing are avoided; the demand of the front aviation transparent part field for the special-shaped curved surface transparent part is gradually increased, but the domestic technology is difficult to meet the market demand, and particularly the civil aviation field meets the demand of the products in an imported mode. Chengdu Kyoho glass company has found a blank part in this field and has developed a technology. Finally, the special-shaped curved surface processing technology is successfully realized. Compared with foreign imported products, the price of the subsequent production is more advantageous, thereby bringing greater economic benefit to the company; after the forming is finished, the glass is taken out, and the vacuum blower is used for cleaning the glass scraps, so that the trouble caused by subsequent processing is avoided, and the environmental protection and the neatness of the method are improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.