CN113412996A - Preparation process of stamped glasses box - Google Patents
Preparation process of stamped glasses box Download PDFInfo
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- CN113412996A CN113412996A CN202110676286.5A CN202110676286A CN113412996A CN 113412996 A CN113412996 A CN 113412996A CN 202110676286 A CN202110676286 A CN 202110676286A CN 113412996 A CN113412996 A CN 113412996A
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- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45C—PURSES; LUGGAGE; HAND CARRIED BAGS
- A45C11/00—Receptacles for purposes not provided for in groups A45C1/00-A45C9/00
- A45C11/04—Spectacle cases; Pince-nez cases
- A45C11/06—Making of spectacle or pince-nez cases
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Abstract
The invention discloses a preparation process of a punching type glasses box, which has the technical scheme that: the method comprises the following steps: s1, punching a box body: punching and drawing a box body by using a drawing die, wherein the box body comprises an upper part and a lower part, and punching a hole on one side of the lower part by using a side punching die; s2, box body edge processing: deburring the punched sideline of the box body; s3, welding the inserting pieces: welding an elastic card matching the punched hole in the lower part on one side in the upper part: s4, cartridge surface treatment: carrying out surface treatment on the surface of the box body; s5, injection molding of an outer protective layer: placing the box body in an injection mold, and coating and injecting a layer of resin material on the surface of the box body; s6, correcting the nozzle waste: removing waste materials at an injection molding water gap; s7, preparing a fabric layer; s8, covering a fabric layer; s9, trimming the fabric layer; the glasses case prepared by the preparation process of the punching type glasses case has the advantages of high strength, falling resistance, difficulty in damage, long service life, difficulty in dirt accumulation and the like.
Description
Technical Field
The invention relates to the field of processing of spectacle cases, in particular to a preparation process of a stamped spectacle case.
Background
The spectacle case that adopts at present mostly is plastic spectacle case. The plastic spectacle case is formed by one-time injection molding, and one sides of the upper cover body and the lower cover body are connected through soft plastic. The glasses box has poor impact resistance, is easy to damage and has short service life.
The prior Chinese patent with publication number CN110511970A discloses a method for manufacturing a spectacle case shell based on a bacterial cellulose material, belonging to the field of chemical industry and comprising the following steps: (1) and (3) producing bacterial cellulose. Firstly activating the gluconacetobacter xylinus, then inoculating the activated gluconacetobacter xylinus into a culture medium according to the inoculation amount of a certain volume ratio, and placing the culture medium into a constant-temperature incubator for standing culture. And taking out the generated bacterial cellulose, soaking the bacterial cellulose in NaOH solution, and washing the bacterial cellulose with flowing distilled water until the pH value of the washing liquid is close to neutral. (2) And (3) preparing the shell of the bacterial cellulose spectacle case.
The spectacle case produced by the process has good environmental protection, but still has some defects, such as: insufficient strength, falling resistance, easy damage, short service life and easy dirt accumulation.
Disclosure of Invention
In view of the problems mentioned in the background art, the present invention is directed to a process for manufacturing a stamped glasses case, so as to solve the problems mentioned in the background art.
The technical purpose of the invention is realized by the following technical scheme:
a preparation process of a punching type glasses box comprises the following steps:
s1, punching a box body: punching and drawing a box body by using a drawing die, wherein the box body comprises an upper part and a lower part, and punching a hole on one side of the lower part by using a side punching die;
s2, box body edge processing: deburring the punched sideline of the box body;
s3, welding the inserting pieces: welding an elastic card matching the punched hole in the lower part on one side in the upper part:
s4, cartridge surface treatment: carrying out surface treatment on the surface of the box body;
s5, injection molding of an outer protective layer: placing the box body in an injection mold, and coating and injecting a layer of resin material on the surface of the box body;
s6, correcting the nozzle waste: removing waste materials at an injection molding water gap;
s7, preparing a fabric layer: preparing a fabric layer for covering the box body;
s8, covering fabric layer: pasting the fabric layer to the outside of the box body;
s9, trimming the fabric layer: trimming the redundant fabric layers by using an edge trimmer or scissors;
s10, assembling a box body: a rotating shaft is inserted between the upper part and the lower part of the box body for assembly;
s11, preparing and coating the antifouling coating: preparing an antifouling coating and covering the antifouling coating on the outer part of the fabric layer.
Preferably, when the box body is punched in S1, the expansion size is calculated according to the contour size of the designed box body, and the plate is cut into the block material according to the expansion size by the plate shearing machine; drawing and forming by using a drawing die; and putting the drawn and formed plate into a trimming die and a correcting die for trimming and shaping.
Preferably, the lower part of the trimmed and shaped part in S1 is placed in a side punching die, and oil mist is adopted for side punching lubrication, wherein the type of the oil mist is one of paraffin-based lubricating oil, intermediate-based lubricating oil and naphthenic-based lubricating oil.
Preferably, when the box body sideline is processed in S2, finite element software is first used to perform simulation measurement of the height and width of the burr generated by grinding the end face of the valve core, so as to optimize the actual processing parameters; then, performing a valve core end face grinding test, measuring the height and the width of the generated burrs, and comparing the height and the width with a simulation result to obtain a relevant change rule between the size of the burrs and actual processing parameters; and finally, removing burrs by adopting a turning mode, and measuring the cutting force in the process of removing the burrs.
Preferably, in the step S4, two kinds of 200 # to 320 # sandpaper are used for surface treatment of the box body, and the two kinds of sandpaper are ground in the order from coarse to fine until the surface of the box body is flat and smooth; and then, preparing a surface treatment agent, and spraying the surface treatment agent to the surface of the box body, and then polishing Ra0.04 by using an inner surface polisher.
Preferably, the surface treatment agent comprises the following components in percentage by mass: 5-8% of zinc nitrate, 2-4% of sodium molybdate, 3-6% of nickel nitrate, 2-4% of surfactant and the balance of phytic acid.
Preferably, when the S5 is used for injection molding of the outer protection layer, the selected resin material is one of teflon resin, epoxy resin, polycarbonate, and ABS resin.
Preferably, when the fabric layer of S7 is prepared, the base layer of the woven grey fabric is prepared: knitting wool yarns, silk and natural color ramie through a textile machine to form a grey cloth base layer; then dyeing the grey cloth basic layer by adopting non-basic dyeing in a dyeing machine; then covering a layer of all-cotton woven fabric on the grey cloth base layer, and carrying out rolling, baking and press polishing treatment to obtain a fabric layer
Preferably, when the antifouling coating in S11 is prepared and coated, an antifouling coating solution is prepared, and the antifouling coating solution includes the following components in percentage by mass: 80-85% of alkyd resin, 5-8% of benzoyl peroxide, 5-8% of polysiloxane resin and the balance of dispersing agent, mixing the components, heating and preserving heat for 30min in a reaction kettle at 80-90 ℃ to obtain an antifouling coating, and then spraying the antifouling coating on the outer surface of the box body.
In summary, the invention mainly has the following beneficial effects:
the glasses case prepared by the preparation process of the punching glasses case has the advantages of high strength, falling resistance, difficulty in damage, long service life, difficulty in dirt accumulation and the like; the spectacle case with good structural strength, good protection capability and good cleaning capability can be manufactured by adopting the steps of punching the case body, processing the side line of the case body, welding the insert, processing the surface of the case body, injecting an outer protective layer, correcting the water gap waste material, preparing a fabric layer, covering the fabric layer, trimming the fabric layer, assembling the case body, preparing and coating an antifouling coating and the like; the process is reasonable in arrangement and short in flow.
Drawings
FIG. 1 is a process flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.
Example 1
Referring to fig. 1, a process for preparing a stamped glasses case includes the following steps:
s1, punching a box body: punching and drawing a box body by using a drawing die, wherein the box body comprises an upper part and a lower part, and punching a hole on one side of the lower part by using a side punching die;
s2, box body edge processing: deburring the punched sideline of the box body;
s3, welding the inserting pieces: welding an elastic card matching the punched hole in the lower part on one side in the upper part:
s4, cartridge surface treatment: carrying out surface treatment on the surface of the box body;
s5, injection molding of an outer protective layer: placing the box body in an injection mold, and coating and injecting a layer of resin material on the surface of the box body;
s6, correcting the nozzle waste: removing waste materials at an injection molding water gap;
s7, preparing a fabric layer: preparing a fabric layer for covering the box body;
s8, covering fabric layer: pasting the fabric layer to the outside of the box body;
s9, trimming the fabric layer: trimming the redundant fabric layers by using an edge trimmer or scissors;
s10, assembling a box body: a rotating shaft is inserted between the upper part and the lower part of the box body for assembly;
s11, preparing and coating the antifouling coating: preparing an antifouling coating and covering the antifouling coating on the outer part of the fabric layer.
When the box body is punched in the S1, firstly, the expansion size is calculated according to the outline size of the designed box body, and the plate is cut into the lump material according to the expansion size through a plate shearing machine; drawing and forming by using a drawing die; and putting the drawn and formed plate into a trimming die and a correcting die for trimming and shaping.
And the lower part of the trimmed and shaped part in the S1 is placed in a side punching die, oil mist is adopted for side punching lubrication, and the type of the oil mist is paraffin-based lubricating oil.
When the box body side line is processed in S2, firstly, finite element software is adopted to carry out valve core end face grinding simulation measurement to generate the height and width of burrs, and actual processing parameters are optimized; then, performing a valve core end face grinding test, measuring the height and the width of the generated burrs, and comparing the height and the width with a simulation result to obtain a relevant change rule between the size of the burrs and actual processing parameters; and finally, removing burrs by adopting a turning mode, and measuring the cutting force in the process of removing the burrs.
When the surface of the box body is treated in the step S4, 200 and 320-grade abrasive paper is used for polishing in the order from thick to thin until the surface of the box body is flat and smooth; and then, preparing a surface treatment agent, and spraying the surface treatment agent to the surface of the box body, and then polishing Ra0.04 by using an inner surface polisher.
The surface treatment agent comprises the following components in percentage by mass: 6% of zinc nitrate, 2% of sodium molybdate, 5% of nickel nitrate, 2% of surfactant and the balance of phytic acid.
When the outer protective layer is injected and molded in S5, the selected resin material is Teflon resin.
When the S7 fabric layer is prepared, firstly preparing a textile grey fabric base layer: knitting wool yarns, silk and natural color ramie through a textile machine to form a grey cloth base layer; then dyeing the grey cloth basic layer by adopting non-basic dyeing in a dyeing machine; then covering a layer of all-cotton woven fabric on the grey cloth base layer, and carrying out rolling, baking and press polishing treatment to obtain a fabric layer
When the antifouling coating in the S11 is prepared and coated, firstly preparing an antifouling coating solution, wherein the antifouling coating solution comprises the following components in percentage by mass: 84% of alkyd resin, 5% of benzoyl peroxide, 5% of polysiloxane resin and the balance of dispersing agent, mixing the components, heating and preserving heat for 30min in a reaction kettle at 86 ℃ to obtain an antifouling coating, and then spraying the antifouling coating on the outer surface of the box body.
The glasses case prepared by the preparation process of the punching glasses case has the advantages of high strength, falling resistance, difficulty in damage, long service life, difficulty in dirt accumulation and the like; the spectacle case with good structural strength, good protection capability and good cleaning capability can be manufactured by adopting the steps of punching the case body, processing the side line of the case body, welding the insert, processing the surface of the case body, injecting an outer protective layer, correcting the water gap waste material, preparing a fabric layer, covering the fabric layer, trimming the fabric layer, assembling the case body, preparing and coating an antifouling coating and the like; the process is reasonable in arrangement and short in flow.
Example 2
Referring to fig. 1, a process for preparing a stamped glasses case includes the following steps:
s1, punching a box body: punching and drawing a box body by using a drawing die, wherein the box body comprises an upper part and a lower part, and punching a hole on one side of the lower part by using a side punching die;
s2, box body edge processing: deburring the punched sideline of the box body;
s3, welding the inserting pieces: welding an elastic card matching the punched hole in the lower part on one side in the upper part:
s4, cartridge surface treatment: carrying out surface treatment on the surface of the box body;
s5, injection molding of an outer protective layer: placing the box body in an injection mold, and coating and injecting a layer of resin material on the surface of the box body;
s6, correcting the nozzle waste: removing waste materials at an injection molding water gap;
s7, preparing a fabric layer: preparing a fabric layer for covering the box body;
s8, covering fabric layer: pasting the fabric layer to the outside of the box body;
s9, trimming the fabric layer: trimming the redundant fabric layers by using an edge trimmer or scissors;
s10, assembling a box body: a rotating shaft is inserted between the upper part and the lower part of the box body for assembly;
s11, preparing and coating the antifouling coating: preparing an antifouling coating and covering the antifouling coating on the outer part of the fabric layer.
When the box body is punched in the S1, firstly, the expansion size is calculated according to the outline size of the designed box body, and the plate is cut into the lump material according to the expansion size through a plate shearing machine; drawing and forming by using a drawing die; and putting the drawn and formed plate into a trimming die and a correcting die for trimming and shaping.
And the lower part of the trimmed and shaped part in the step S1 is placed in a side punching die, oil mist is adopted for side punching lubrication, and the type of the adopted oil mist is naphthenic-base lubricating oil.
When the box body side line is processed in S2, firstly, finite element software is adopted to carry out valve core end face grinding simulation measurement to generate the height and width of burrs, and actual processing parameters are optimized; then, performing a valve core end face grinding test, measuring the height and the width of the generated burrs, and comparing the height and the width with a simulation result to obtain a relevant change rule between the size of the burrs and actual processing parameters; and finally, removing burrs by adopting a turning mode, and measuring the cutting force in the process of removing the burrs.
When the surface of the box body is treated in the step S4, 200 # and 240 # sandpaper is used for polishing in the order from thick to thin until the surface of the box body is flat and smooth; and then, preparing a surface treatment agent, and spraying the surface treatment agent to the surface of the box body, and then polishing Ra0.04 by using an inner surface polisher.
The surface treatment agent comprises the following components in percentage by mass: 5% of zinc nitrate, 2% of sodium molybdate, 3% of nickel nitrate, 2% of surfactant and the balance of phytic acid.
When the outer protective layer is injected and molded in S5, the selected resin material is Teflon resin.
When the S7 fabric layer is prepared, firstly preparing a textile grey fabric base layer: knitting wool yarns, silk and natural color ramie through a textile machine to form a grey cloth base layer; then dyeing the grey cloth basic layer by adopting non-basic dyeing in a dyeing machine; then covering a layer of all-cotton woven fabric on the grey cloth base layer, and carrying out rolling, baking and press polishing treatment to obtain a fabric layer
When the antifouling coating in the S11 is prepared and coated, firstly preparing an antifouling coating solution, wherein the antifouling coating solution comprises the following components in percentage by mass: 80% of alkyd resin, 5% of benzoyl peroxide, 5% of polysiloxane resin and the balance of dispersing agent, mixing the components, heating and preserving heat for 30min in a reaction kettle at 80 ℃ to obtain an antifouling coating, and then spraying the antifouling coating on the outer surface of the box body.
Example 3
Referring to fig. 1, a process for preparing a stamped glasses case includes the following steps:
s1, punching a box body: punching and drawing a box body by using a drawing die, wherein the box body comprises an upper part and a lower part, and punching a hole on one side of the lower part by using a side punching die;
s2, box body edge processing: deburring the punched sideline of the box body;
s3, welding the inserting pieces: welding an elastic card matching the punched hole in the lower part on one side in the upper part:
s4, cartridge surface treatment: carrying out surface treatment on the surface of the box body;
s5, injection molding of an outer protective layer: placing the box body in an injection mold, and coating and injecting a layer of resin material on the surface of the box body;
s6, correcting the nozzle waste: removing waste materials at an injection molding water gap;
s7, preparing a fabric layer: preparing a fabric layer for covering the box body;
s8, covering fabric layer: pasting the fabric layer to the outside of the box body;
s9, trimming the fabric layer: trimming the redundant fabric layers by using an edge trimmer or scissors;
s10, assembling a box body: a rotating shaft is inserted between the upper part and the lower part of the box body for assembly;
s11, preparing and coating the antifouling coating: preparing an antifouling coating and covering the antifouling coating on the outer part of the fabric layer.
When the box body is punched in the S1, firstly, the expansion size is calculated according to the outline size of the designed box body, and the plate is cut into the lump material according to the expansion size through a plate shearing machine; drawing and forming by using a drawing die; and putting the drawn and formed plate into a trimming die and a correcting die for trimming and shaping.
And the lower part of the trimmed and shaped part in the step S1 is placed in a side punching die, oil mist is adopted for side punching lubrication, and the type of the adopted oil mist is intermediate base lubricating oil.
When the box body side line is processed in S2, firstly, finite element software is adopted to carry out valve core end face grinding simulation measurement to generate the height and width of burrs, and actual processing parameters are optimized; then, performing a valve core end face grinding test, measuring the height and the width of the generated burrs, and comparing the height and the width with a simulation result to obtain a relevant change rule between the size of the burrs and actual processing parameters; and finally, removing burrs by adopting a turning mode, and measuring the cutting force in the process of removing the burrs.
When the surface of the box body is treated in the step S4, No. 240 and No. 320 abrasive paper is used for polishing in the order from thick to thin until the surface of the box body is flat and smooth; and then, preparing a surface treatment agent, and spraying the surface treatment agent to the surface of the box body, and then polishing Ra0.04 by using an inner surface polisher.
The surface treatment agent comprises the following components in percentage by mass: 6% of zinc nitrate, 4% of sodium molybdate, 3% of nickel nitrate, 2% of surfactant and the balance of phytic acid.
When the outer protective layer is injected and molded in S5, the selected resin material is polycarbonate.
When the S7 fabric layer is prepared, firstly preparing a textile grey fabric base layer: knitting wool yarns, silk and natural color ramie through a textile machine to form a grey cloth base layer; then dyeing the grey cloth basic layer by adopting non-basic dyeing in a dyeing machine; then covering a layer of all-cotton woven fabric on the grey cloth base layer, and carrying out rolling, baking and press polishing treatment to obtain a fabric layer
When the antifouling coating in the S11 is prepared and coated, firstly preparing an antifouling coating solution, wherein the antifouling coating solution comprises the following components in percentage by mass: 82% of alkyd resin, 5% of benzoyl peroxide, 8% of polysiloxane resin and the balance of dispersing agent, mixing the components, heating and preserving heat for 30min in a reaction kettle at 90 ℃ to obtain an antifouling coating, and then spraying the antifouling coating on the outer surface of the box body.
Example 4
Referring to fig. 1, a process for preparing a stamped glasses case includes the following steps:
s1, punching a box body: punching and drawing a box body by using a drawing die, wherein the box body comprises an upper part and a lower part, and punching a hole on one side of the lower part by using a side punching die;
s2, box body edge processing: deburring the punched sideline of the box body;
s3, welding the inserting pieces: welding an elastic card matching the punched hole in the lower part on one side in the upper part:
s4, cartridge surface treatment: carrying out surface treatment on the surface of the box body;
s5, injection molding of an outer protective layer: placing the box body in an injection mold, and coating and injecting a layer of resin material on the surface of the box body;
s6, correcting the nozzle waste: removing waste materials at an injection molding water gap;
s7, preparing a fabric layer: preparing a fabric layer for covering the box body;
s8, covering fabric layer: pasting the fabric layer to the outside of the box body;
s9, trimming the fabric layer: trimming the redundant fabric layers by using an edge trimmer or scissors;
s10, assembling a box body: a rotating shaft is inserted between the upper part and the lower part of the box body for assembly;
s11, preparing and coating the antifouling coating: preparing an antifouling coating and covering the antifouling coating on the outer part of the fabric layer.
When the box body is punched in the S1, firstly, the expansion size is calculated according to the outline size of the designed box body, and the plate is cut into the lump material according to the expansion size through a plate shearing machine; drawing and forming by using a drawing die; and putting the drawn and formed plate into a trimming die and a correcting die for trimming and shaping.
And the lower part of the trimmed and shaped part in the S1 is placed in a side punching die, oil mist is adopted for side punching lubrication, and the type of the oil mist is paraffin-based lubricating oil.
When the box body side line is processed in S2, firstly, finite element software is adopted to carry out valve core end face grinding simulation measurement to generate the height and width of burrs, and actual processing parameters are optimized; then, performing a valve core end face grinding test, measuring the height and the width of the generated burrs, and comparing the height and the width with a simulation result to obtain a relevant change rule between the size of the burrs and actual processing parameters; and finally, removing burrs by adopting a turning mode, and measuring the cutting force in the process of removing the burrs.
When the surface of the box body is treated in the step S4, firstly, 220 and 300-size sand paper is used for polishing in the order from thick to thin until the surface of the box body is flat and smooth; and then, preparing a surface treatment agent, and spraying the surface treatment agent to the surface of the box body, and then polishing Ra0.04 by using an inner surface polisher.
The surface treatment agent comprises the following components in percentage by mass: 8% of zinc nitrate, 2% of sodium molybdate, 3% of nickel nitrate, 2% of surfactant and the balance of phytic acid.
When the outer protective layer is injected and molded in S5, the selected resin material is epoxy resin.
When the S7 fabric layer is prepared, firstly preparing a textile grey fabric base layer: knitting wool yarns, silk and natural color ramie through a textile machine to form a grey cloth base layer; then dyeing the grey cloth basic layer by adopting non-basic dyeing in a dyeing machine; then covering a layer of all-cotton woven fabric on the grey cloth base layer, and carrying out rolling, baking and press polishing treatment to obtain a fabric layer
When the antifouling coating in the S11 is prepared and coated, firstly preparing an antifouling coating solution, wherein the antifouling coating solution comprises the following components in percentage by mass: 85% of alkyd resin, 8% of benzoyl peroxide, 5% of polysiloxane resin and the balance of dispersing agent, mixing the components, heating and preserving heat for 30min in a reaction kettle at 86 ℃ to obtain an antifouling coating, and then spraying the antifouling coating on the outer surface of the box body.
Example 5
Referring to fig. 1, a process for preparing a stamped glasses case includes the following steps:
s1, punching a box body: punching and drawing a box body by using a drawing die, wherein the box body comprises an upper part and a lower part, and punching a hole on one side of the lower part by using a side punching die;
s2, box body edge processing: deburring the punched sideline of the box body;
s3, welding the inserting pieces: welding an elastic card matching the punched hole in the lower part on one side in the upper part:
s4, cartridge surface treatment: carrying out surface treatment on the surface of the box body;
s5, injection molding of an outer protective layer: placing the box body in an injection mold, and coating and injecting a layer of resin material on the surface of the box body;
s6, correcting the nozzle waste: removing waste materials at an injection molding water gap;
s7, preparing a fabric layer: preparing a fabric layer for covering the box body;
s8, covering fabric layer: pasting the fabric layer to the outside of the box body;
s9, trimming the fabric layer: trimming the redundant fabric layers by using an edge trimmer or scissors;
s10, assembling a box body: a rotating shaft is inserted between the upper part and the lower part of the box body for assembly;
s11, preparing and coating the antifouling coating: preparing an antifouling coating and covering the antifouling coating on the outer part of the fabric layer.
When the box body is punched in the S1, firstly, the expansion size is calculated according to the outline size of the designed box body, and the plate is cut into the lump material according to the expansion size through a plate shearing machine; drawing and forming by using a drawing die; and putting the drawn and formed plate into a trimming die and a correcting die for trimming and shaping.
And the lower part of the trimmed and shaped part in the S1 is placed in a side punching die, oil mist is adopted for side punching lubrication, and the type of the oil mist is paraffin-based lubricating oil.
When the box body side line is processed in S2, firstly, finite element software is adopted to carry out valve core end face grinding simulation measurement to generate the height and width of burrs, and actual processing parameters are optimized; then, performing a valve core end face grinding test, measuring the height and the width of the generated burrs, and comparing the height and the width with a simulation result to obtain a relevant change rule between the size of the burrs and actual processing parameters; and finally, removing burrs by adopting a turning mode, and measuring the cutting force in the process of removing the burrs.
In order to verify the quality of the glasses case processed by the preparation process of the punching glasses case, the following experiment is carried out, and a control group glasses case is selected and is a full-plastic glasses case; the cases produced in examples 1, 2, 3, 4 and 5 were also selected and compared with the reference value.
The experimental contents and results are given in the following table:
| burst strength | Wear resistance | Resistance to deformation | |
| Control group | 1 | 1 | 1 |
| Example 1 | 3.1 | 3 | 6％ |
| Example 2 | 3.2 | 2.5 | 4％ |
| Example 3 | 3.4 | 2.4 | 8％ |
| Example 4 | 3.1 | 2.4 | 7％ |
| Example 5 | 2.8 | 2.1 | 2％ |
Simultaneously with the highly free fall of spectacle case from 10 meters, observe the resistant performance of falling of spectacle case, the result is: the general all-plastic glasses cases were cracked at once, and the glasses cases produced in examples 1, 2, 3, 4 and 5 were only damaged or not damaged on the skin, and were not damaged or severely deformed.
Meanwhile, the glasses case is placed in a dust environment for 5 days, and after 5 days, more stains are accumulated on the surfaces of the glasses cases produced by the all-plastic glasses case, the embodiments 1, 2, 3, 4 and 5, and the glasses cases are found by wiping with rags: the dirt on the surface of the all-plastic glasses case is difficult to wipe, and the dirt on the surface of the glasses case produced in the examples 1, 2, 3, 4 and 5 disappears after being lightly wiped.
Through experiments, the glasses cases produced by the embodiments 1, 2, 3, 4 and 5 have better performance than the traditional all-plastic glasses cases, and the indexes of the embodiment 3 are the best indexes in all the embodiments and are the best embodiments.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A preparation process of a punched glasses case is characterized by comprising the following steps: the method comprises the following steps:
s1, punching a box body: punching and drawing a box body by using a drawing die, wherein the box body comprises an upper part and a lower part, and punching a hole on one side of the lower part by using a side punching die;
s2, box body edge processing: deburring the punched sideline of the box body;
s3, welding the inserting pieces: welding an elastic card matching the punched hole in the lower part on one side in the upper part:
s4, cartridge surface treatment: carrying out surface treatment on the surface of the box body;
s5, injection molding of an outer protective layer: placing the box body in an injection mold, and coating and injecting a layer of resin material on the surface of the box body;
s6, correcting the nozzle waste: removing waste materials at an injection molding water gap;
s7, preparing a fabric layer: preparing a fabric layer for covering the box body;
s8, covering fabric layer: pasting the fabric layer to the outside of the box body;
s9, trimming the fabric layer: trimming the redundant fabric layers by using an edge trimmer or scissors;
s10, assembling a box body: a rotating shaft is inserted between the upper part and the lower part of the box body for assembly;
s11, preparing and coating the antifouling coating: preparing an antifouling coating and covering the antifouling coating on the outer part of the fabric layer.
2. The process of claim 1, wherein the step of forming the stamped eyeglass case comprises: when the box body is punched in the S1, firstly, the expansion size is calculated according to the outline size of the designed box body, and the plate is cut into the block material according to the expansion size through a plate shearing machine; drawing and forming by using a drawing die; and putting the drawn and formed plate into a trimming die and a correcting die for trimming and shaping.
3. The process of claim 2, wherein the step of forming the stamped eyeglass case comprises: and the lower part of the trimmed and shaped part in the S1 is placed in a side punching die, oil mist is adopted for side punching lubrication, and the type of the adopted oil mist is one of paraffin-based lubricating oil, intermediate-based lubricating oil and naphthenic lubricating oil.
4. The process of claim 1, wherein the step of forming the stamped eyeglass case comprises: when the box body side line in the S2 is processed, firstly, finite element software is adopted to carry out valve core end face grinding simulation measurement to generate the height and the width of burrs, and actual processing parameters are optimized; then, performing a valve core end face grinding test, measuring the height and the width of the generated burrs, and comparing the height and the width with a simulation result to obtain a relevant change rule between the size of the burrs and actual processing parameters; and finally, removing burrs by adopting a turning mode, and measuring the cutting force in the process of removing the burrs.
5. The process of claim 1, wherein the step of forming the stamped eyeglass case comprises: when the surface of the box body in the S4 is treated, two kinds of No. 200 to No. 320 abrasive paper are used, and the two kinds of abrasive paper are polished in the order from thick to thin until the surface of the box body is flat and smooth; and then, preparing a surface treatment agent, and spraying the surface treatment agent to the surface of the box body, and then polishing Ra0.04 by using an inner surface polisher.
6. The process of claim 5, wherein the step of forming the stamped eyeglass case comprises: the surface treating agent comprises the following components in percentage by mass: 5-8% of zinc nitrate, 2-4% of sodium molybdate, 3-6% of nickel nitrate, 2-4% of surfactant and the balance of phytic acid.
7. The process of claim 1, wherein the step of forming the stamped eyeglass case comprises: when the S5 outer protective layer is injection-molded, the selected resin material is one of Teflon resin, epoxy resin, polycarbonate and ABS resin.
8. The process of claim 1, wherein the step of forming the stamped eyeglass case comprises: when the S7 fabric layer is prepared, firstly preparing a textile grey cloth base layer: knitting wool yarns, silk and natural color ramie through a textile machine to form a grey cloth base layer; then dyeing the grey cloth basic layer by adopting non-basic dyeing in a dyeing machine; and covering a layer of all-cotton woven fabric on the grey cloth base layer, and carrying out rolling, baking and calendaring treatment to obtain a fabric layer.
9. The process of claim 8, wherein the step of forming the stamped eyeglass case comprises: when the antifouling coating in the S11 is prepared and coated, firstly, an antifouling coating solution is prepared, wherein the antifouling coating solution comprises the following components in percentage by mass: 80-85% of alkyd resin, 5-8% of benzoyl peroxide, 5-8% of polysiloxane resin and the balance of dispersing agent, mixing the components, heating and preserving heat for 30min in a reaction kettle at 80-90 ℃ to obtain an antifouling coating, and then spraying the antifouling coating on the outer surface of the box body.
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| CN202110676286.5A CN113412996A (en) | 2021-06-18 | 2021-06-18 | Preparation process of stamped glasses box |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110676286.5A CN113412996A (en) | 2021-06-18 | 2021-06-18 | Preparation process of stamped glasses box |
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| CN113412996A true CN113412996A (en) | 2021-09-21 |
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| JP3204822U (en) * | 2016-04-07 | 2016-06-16 | 株式会社栄商会 | glasses case |
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| CN208259257U (en) * | 2018-05-29 | 2018-12-21 | 江西领秀眼镜有限公司 | A kind of case with storing glasses |
| US20190092525A1 (en) * | 2016-03-04 | 2019-03-28 | Ecobiz Co., Ltd. | Foldable tote box |
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| GB537534A (en) * | 1940-02-28 | 1941-06-25 | Leo Winternitz | Improvements in and relating to spectacle and like cases |
| DE3423011A1 (en) * | 1984-06-22 | 1986-01-02 | Edgar Kleine KAPUNKT KG, 4690 Herne | Spectacle case |
| WO2003066241A1 (en) * | 2002-02-07 | 2003-08-14 | Degussa Ag | Method for the production of protective layers with dirt and water repelling properties |
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