阅读说明：本技术 灯罩的制作方法 (The production method of lampshade ) 是由 赖少乾 黄芳 肖钟泉 于 2019-07-26 设计创作，主要内容包括：本发明提供了一种灯罩的制作方法,属于照明灯具技术领域,包括：板材加热；吸塑成型；废料切边；折弯；粘结。本发明提供的灯罩的制作方法,首先对第一光学扩散板进行整体加热,利用吸塑成型及切边操作获得上盖；然后将第二光学扩散板的折弯区域加热至热变形温度,通过折弯工艺获得背罩；上盖与背罩通过粘结固定,最终获得灯罩。由于背罩采用折弯工艺制作,无需单独开设吸塑模具,且无废料产生,提高了材料的利用率,节约了生产成本。(The present invention provides a kind of production methods of lampshade, belong to field of illumination lamp technology, comprising: plate heating；Plastics sucking moulding；Waste material trimming；Bending；Bonding.The production method of lampshade provided by the invention, carries out whole heating to the first optical diffusing plate first, obtains upper cover using plastics sucking moulding and trimming operation；Then the bending region of the second optical diffusing plate is heated to heat distortion temperature, back cover is obtained by bending technique；Upper cover, by being adhesively fixed, finally obtains lampshade with back cover.Since back cover is made of bending technique, without individually opening up plastics suction mould, and no waste mine is generated, and improves the utilization rate of material, has saved production cost.)

1. the production method of lampshade, which comprises the steps of:

First optical diffusing plate is integrally heated to thermal softening temperature, the bending region of the second optical diffusing plate is heated to thermal change Shape temperature；

Using plastic uptake technique by the first optical diffusing plate plastics sucking moulding after heating, the semi-finished product of upper cover are obtained；

Trimming is carried out according to the design size of the upper cover, obtains the finished parts of the upper cover；

Second optical diffusing plate after heating is subjected to bending along bending line, obtains back cover；

The upper cover and back cover are adhesively fixed.

2. the production method of lampshade as described in claim 1, which is characterized in that be adhesively fixed in the upper cover and back cover After step, the edge of the upper cover and the back cover fixing end is repaired into the angle R, and do polishing treatment；

Sticker layer is made in the outer surface of the lampshade using deposited paper technique；

Gloss oil is sprayed on the sticker layer as protective layer.

3. the production method of lampshade as described in claim 1, which is characterized in that be adhesively fixed in the upper cover and back cover Before step, iuuminting cover is fixed on the back cover；The iuuminting cover is made using plastic uptake technique.

4. the production method of lampshade as described in claim 1, which is characterized in that first optical diffusing plate and described second Optical diffusing plate is all made of the acrylic board of 2~5mm thickness.

5. the production method of lampshade as described in claim 1, which is characterized in that in heating stepses, using high temperature oven pair First optical diffusing plate is evenly heated.

6. the production method of lampshade as described in claim 1, which is characterized in that add to second optical diffusing plate Before heat, the through slot of 1~1.5mm depth is milled out along the bending line of second optical diffusing plate.

7. the production method of lampshade as described in claim 1 or 6, which is characterized in that the heating of second optical diffusing plate Region is 4~7mm of bending line two sides.

8. the production method of lampshade as described in claim 1, which is characterized in that add to second optical diffusing plate Before heat, using embedding method is heated, two rows of copper nuts, the copper are symmetrical arranged along the bending line of second optical diffusing plate Nut is located at the outside of the heating region of second optical diffusing plate.

9. the production method of lampshade as claimed in claim 2, which is characterized in that the deposited paper technique includes:

Paster flattening is dipped to the paster with certain retractility in water；

The paster is applied into the outer surface in the lampshade, using soft wool brush towards the corrugated direction of the paster back and forth Brush is pushed away to be bonded completely to the paster with the outer surface of the lampshade；

In the overlapped joining place of the paster, using secondary gluing and rod pressure, finally it is bulldozed using soft wool brush.

10. the production method of lampshade as claimed in claim 2, which is characterized in that the gloss oil uses transparent dumb light polyurethane Gloss oil.

Technical field

The invention belongs to field of illumination lamp technology, are to be related to a kind of production method of lampshade more specifically.

Background technique

Existing ornamental LED light includes lampshade, light source assembly and light source fixing plate, due to lampshade moulding increasingly Complexity can not be integrally formed, wherein relatively conventional lampshade is assembled by upper cover and back cover, and lampshade and upper cover are all made of suction Modeling technique is made, since the shape of all parts is all different, it is desirable to provide cover plastics suction moulds to complete the system of lampshade more Make, it is excessively high so as to cause production cost.

Summary of the invention

The purpose of the present invention is to provide a kind of production methods of lampshade, it is intended to it is excessively high to solve existing lampshade cost of manufacture The problem of.

To achieve the above object, the technical solution adopted by the present invention is that: the production method of the lampshade of offer, including walk as follows It is rapid:

First optical diffusing plate is integrally heated to thermal softening temperature, the bending region of the second optical diffusing plate is heated to Heat distortion temperature；

Using plastic uptake technique by the first optical diffusing plate plastics sucking moulding after heating, the semi-finished product of upper cover are obtained；

Trimming is carried out according to the design size of the upper cover, obtains the finished parts of the upper cover；

Second optical diffusing plate after heating is subjected to bending along bending line, obtains back cover；

The upper cover and back cover are adhesively fixed.

Further, after step is adhesively fixed in the upper cover and back cover, the upper cover and back cover are fixed The edge at end repairs the angle R, and does polishing treatment；

Sticker layer is made in the outer surface of the lampshade using deposited paper technique；

Gloss oil is sprayed on the sticker layer as protective layer.

Further, before step is adhesively fixed in the upper cover and back cover, iuuminting cover is fixed on the back and is covered On；The iuuminting cover is made using plastic uptake technique.

Further, first optical diffusing plate and second optical diffusing plate are all made of the acrylic of 2~5mm thickness Plate.

Further, in heating stepses, first optical diffusing plate is evenly heated using high temperature oven.

Further, before being heated to second optical diffusing plate, along the bending of second optical diffusing plate Line mills out the through slot of 1~1.5mm depth.

Further, the heating region of second optical diffusing plate is 4~7mm of bending line two sides.

Further, before being heated to second optical diffusing plate, using heating embedding method, along described the The bending line of two optical diffusing plates is symmetrical arranged two rows of copper nuts, and the copper nut is located at the heating of second optical diffusing plate The outside in region.

Further, the deposited paper technique includes:

Paster flattening is dipped to the paster with certain retractility in water；

The paster is applied into the outer surface in the lampshade, using soft wool brush towards the corrugated direction of the paster back and forth Brush is pushed away repeatedly to be bonded completely to the paster with the outer surface of the lampshade；

In the overlapped joining place of the paster, using secondary gluing and rod pressure, finally pushed away using soft wool brush It is flat.

Further, the gloss oil uses transparent dumb light polyurethane gloss oil.

The beneficial effect of the production method of lampshade provided by the invention is: compared with prior art, the invention discloses The production method of lampshade carries out whole heating to the first optical diffusing plate first, is obtained using plastic uptake technique and trimming operation Lid；Then the bending region of the second optical diffusing plate is heated to heat distortion temperature, back cover is obtained by bending technique；Upper cover with Back cover finally obtains lampshade by being adhesively fixed.Since back cover is made of bending technique, without individually opening up plastics suction mould, And no waste mine generates, and improves the utilization rate of material, has saved production cost.

Detailed description of the invention

It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these Figure obtains other attached drawings.

Fig. 1 is the flow chart of the production method for the lampshade that the embodiment of the present invention 1 provides；

Fig. 2 is the flow chart of the production method for the lampshade that the embodiment of the present invention 2 provides；

Fig. 3 is the flow chart for the deposited paper technique that the embodiment of the present invention 2 provides；

Fig. 4 is the explosive view for the lampshade that the embodiment of the present invention 3 provides；

Fig. 5 is the partial enlarged view at the A in Fig. 4；

Fig. 6 is the connection structure cross-sectional view of lampshade and light source fixing part that the embodiment of the present invention 3 provides；

Fig. 7 is the partial sectional view of the upper cover that the embodiment of the present invention 3 provides and back cover fixing end.

In figure: 101, upper cover；102, back cover；103, iuuminting cover；104, copper nut；105, plate；106, jack；107, Mounting hole；108, light source assembly；109, light source fixing part；110, transparent through item.

Specific embodiment

In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only To explain the present invention, it is not intended to limit the present invention.

Also referring to Fig. 1, now the production method of lampshade provided by the invention is illustrated.The production side of the lampshade Method includes the following steps:

First optical diffusing plate is integrally heated to thermal softening temperature, the bending region of the second optical diffusing plate is heated to Heat distortion temperature.

Using plastic uptake technique by the first optical diffusing plate plastics sucking moulding after heating, the semi-finished product of upper cover 101 are obtained.

Trimming is carried out according to the design size of upper cover 101, obtains the finished parts of upper cover 101.

The second optical diffusing plate after heating is subjected to bending along bending line, obtains back cover 102.

Upper cover 101 and back cover 102 are adhesively fixed.

The production method of lampshade provided by the invention, compared with prior art, the invention discloses the production method of lampshade, Whole heating is carried out to the first optical diffusing plate first, obtains upper cover 101 using plastic uptake technique and trimming operation；Then by second The bending region of optical diffusing plate is heated to heat distortion temperature, obtains back cover 102 by bending technique；Upper cover 101 and back cover 102 By being adhesively fixed, lampshade is finally obtained.Since back cover 102 is made of bending technique, without individually opening up plastics suction mould, and No waste mine generates, and improves the utilization rate of material, has saved production cost.

A kind of specific embodiment of production method as lampshade provided by the invention, please refer to Fig. 2 upper cover 101 with After step is adhesively fixed in back cover 102, the edge of upper cover 101 and back 102 fixing ends of cover is repaired into the angle R, and do polishing treatment.

Sticker layer is made in the outer surface of lampshade using deposited paper technique.

Gloss oil is sprayed on sticker layer as protective layer.

By being polished lampshade, paper and operated fuel injection are applied, further improves the appearance of lampshade.

A kind of specific embodiment of production method as lampshade provided by the invention, please refers to fig. 4 to fig. 6, upper Before step is adhesively fixed in lid 101 and back cover 102, iuuminting cover 103 is fixed on back cover 102, iuuminting cover 103 uses plastic uptake Moulding process.The inside cavity that iuuminting cover 103 is located at upper cover 101 and back cover 102 surrounds.It installs one end of iuuminting cover 103 It is covered on 102 in back and is located at the outside of light source assembly 108.Light source assembly 108 is fixed on the side of light source fixing part 109.On Lid 101 is in inner concave arc surface, and iuuminting cover 103 is in strip arc, and the arc of iuuminting cover 103 is suitable along the arc of upper cover 101 Slide drop.Upper cover 101 and back cover 102 surround the shell of abnormity, which is butterfly-like shape.Iuuminting cover 103 issues light source Light be diffused, keep the light across iuuminting cover 103 softer, and it is uniform to form in special-shaped cavity body more transition Optical effect.

In the present embodiment, one end of iuuminting cover 103 is symmetrically arranged with multiple plates 105, is correspondingly provided with and inserts on back cover 102 The mating jack 106 of plate 105.Jack 106 is slotted hole, which passes through wire cutting after back covers 102 bending operations Or number Milling Machining forms, and ensure that machining accuracy, keeps connected structure more firm.In interior translucent cover 103 and carry on the back connecing for cover 102 The periphery of contravention is equipped with the transparent through item 110 of triangle, and transparent use through item 110 is adhesively fixed, and on the one hand improves iuuminting Stability between cover 103 and back cover 102, on the other hand plays sealing function, prevents the impurity such as dust from entering iuuminting In cover 103, light source assembly 108 is polluted, radiation response is influenced.

As a kind of specific embodiment of the embodiment of the present invention, the first optical diffusing plate and the second optical diffusing plate are adopted With the acrylic board of 2~5mm thickness.The acrylic board is extrusion type acrylic board.First optical diffusing plate and the diffusion of the second optics Plate is formed by optical diffusion sheet material number Milling Machining.The molecular weight of extrusion type acrylic board is lower, flexible relatively high, is conducive to roll over Curved and thermoforming processing.When acrylic board is 2.5mm thickness, light transmittance and forming efficiency are best, and have enough strong Degree.

As a kind of specific embodiment of the embodiment of the present invention, in heating stepses, using high temperature oven to the first light Diffuser plate is learned to be evenly heated.High temperature oven has many advantages, such as that heating rate is fast, and temperature is stable and is heated evenly.High temperature oven The first optical diffusing plate integrally quickly can be heated to 200 DEG C or more, when the temperature of the first optical diffusing plate reaches 260 DEG C, Its mouldability is best.When heating temperature is more than 260 DEG C, the inside of the first optical diffusing plate is easy to produce bubble, causes product Surface generates point, seriously affects surface quality, and when heating temperature is lower than 260 DEG C, the first optical diffusing plate deformation drag increases Greatly, even resulting in can not form.

As a kind of specific embodiment of the embodiment of the present invention, before being heated to the second optical diffusing plate, along The bending line of two optical diffusing plates mills out the through slot of 1~1.5mm depth.When carrying out bending to the second optical diffusing plate, bending Portion is easy to produce buildup, causes bending resistance to increase, rebound is easy to produce after bending, influences Product Precision and presentation quality.The Two optical diffusing plates with a thickness of 2.5mm when, the through slot of 1mm depth is milled out on bending line, avoids the generation of buildup phenomenon, together When after bending operation, by the material of bending part two sides to intermediate flow, just through slot is covered, ensure that the appearance of product Quality.

As a kind of specific embodiment of the embodiment of the present invention, plastic uptake technique is all made of aluminium-making mould, and to aluminum The cavity surface of mold is mirror-finished.Surface to be treated is gradually beaten with 160 mesh, 320 mesh, 400 mesh silicon carbide papers Mill, it is then with ultrasonic cleaning and dry with hair dryer, it is operated by mirror finish, the surface matter of plastic uptake product can be effectively improved Amount.Die cavity is preheated using acetylene flame or resistance heating manner, the temperature of die cavity is made to reach 200 DEG C, prevents plastic uptake process In plate and aluminium-making mould biggish temperature drop occurs when contacting, cause after plastics sucking moulding product to shrink too fast, cause product table Face is uneven.Before plastics sucking moulding starts, graphitic lubricant is smeared to the die cavity of aluminium-making mould, is reduced to coefficient of friction 0.3~0.5, it reduces to the plate of plastic uptake and the coefficient of friction of die cavity, increases the mobility of material, the product wall after preventing plastic uptake Thickness ununiformity is conducive to product and smoothly demoulds.Using the molding mode of the low drawing-off of fast vacuum, the plate to plastic uptake need to only be heated To the lower limit value of thermal softening temperature, heating temperature is advantageously reduced, shortens heating time, improves production efficiency.

As a kind of specific embodiment of the embodiment of the present invention, refering to Fig. 7, B is expressed as upper cover in Fig. 7 and back cover is fixed The cross section at end.The cross-sectional length of upper cover 101 and back 102 fixing ends of cover is 4.8~5.2mm.If in upper cover 101 and back cover 102 junction increases by one layer of bound edge, and in addition to that can improve production cost, most importantly increased binding structure will affect lampshade Appearance.And impression can be generated on its surface when using ultrasonic wave that upper cover 101 and back cover 102 is fixed, equally it will affect The appearance of lampshade.Easy to operate in such a way that quick-drying gelatin is adhesively fixed, sealing effect is good.

As a kind of specific embodiment of the embodiment of the present invention, the heating region of the second optical diffusing plate is bending line two Within the scope of 4~7mm of side.It is heated using regional area of the heating method of steam or blowing hot wind to its bending line, heating temperature Degree is 110 DEG C~120 DEG C, then passes through bending machine or other bending equipments for the second optical diffusing plate bending to 45° angle.It is only right Bending region is heated, and heating surface (area) (HS is effectively reduced, and improves heating efficiency.The heating method of steam or blowing hot wind can be Cleaning to bending region is realized in heating process, prevents bending region from influencing the mechanical property and thoroughly of plate because being mixed into impurity Photosensitiveness.

As a kind of specific embodiment of the embodiment of the present invention, referring to Fig. 5, adding to the second optical diffusing plate Before heat, in such a way that hot melt is embedding, two rows of copper nuts 104, copper nut are symmetrical arranged along the bending line of the second optical diffusing plate 104 are located at the outside of the heating region of the second optical diffusing plate.Heat embedding mode are as follows: copper is clamped using the soldering iron of tip Nut 104 simultaneously heats copper nut 104, and heating temperature is pressed into what plate was reserved to 80 DEG C, by the copper nut 104 after heating In mounting hole 107, the aperture of mounting hole 107 is less than 0.1~0.2mm of outer diameter of copper nut 104.It is solid that back cover 102 is fixed on light source Determine on part 109, but the supporting surface for carrying on the back cover 102 and light source fixing part 109 is in the intermediate position for carrying on the back cover 102, and installation site is small, Conventional fastener can not support the weight of entire lampshade, so the embedding copper nut 104 of heat on back cover 102, passes through machine tooth screw It is connect with copper nut 104, the junction of entire lampshade and light source fixing part 109 is enabled to have enough mechanical strengths.Installation Hole 107 is located at the outside of the heating region of the second optical diffusing plate and the profile of mounting hole 107 away from 5~7mm of heating region, prevents Material around mounting hole 107 softens because heated, and copper nut 104 is caused to generate loosening.

As a kind of specific embodiment of the embodiment of the present invention, refering to Fig. 7, in polishing step, using hand-held electricity The edge of upper cover 101 and back 102 fixing ends of cover is repaired the angle R by dynamic sander, and the size at the angle R is 45 ° ± 2 °, and with file and sand Paper is successively processed by shot blasting the angle R.By repairing the angle R, safety coefficient is increased, prevents Li Jiao from scraping hand, greatly weakens The structure of lower fission, visually a complete shell sense is stronger, and when deposited paper receives side here, rounded corner can be preferably smooth Receive side.

As a kind of specific embodiment of the embodiment of the present invention, in deposited paper step, first in upper cover 101 and back cover 102 Outer surface smear white glue with vinyl, then paster is applied in the outer surface of lampshade.White glue with vinyl can be controlled by adjusting its effective solid content Its curing time is made, the sufficient operating time is provided for paster.

As a kind of specific embodiment of the embodiment of the present invention, paster uses wood pulp paper.The papery of wood pulp paper is fine and smooth, soft Soft, any surface finish, good toughness.Paster can keep the appearance of lampshade more beautiful according to specifically needing to be designed as engraved structure.

As a kind of specific embodiment of the embodiment of the present invention, applying paper technique includes:

Paster flattening is dipped to paster with certain retractility in water.

Paster is applied in the outer surface of lampshade, brush is pushed away to patch towards the corrugated direction of paster using soft wool brush back and forth Paper is bonded completely with the outer surface of lampshade.

In the overlapped joining place of paster, using secondary gluing and rod pressure, finally it is bulldozed using soft wool brush.

After paster impregnates 1~2h in water, become more flexible, increase its retractility, is provided for subsequent deposited paper work A possibility that operation.Using white glue with vinyl in secondary gumming step.

As a kind of specific embodiment of the embodiment of the present invention, to shorten the time that paster impregnates in water, in water Instill a small amount of softening agent.The softening agent can promote paster that can become toughness is more preferable, and retractility is stronger, the component of the softening agent Are as follows:

Liquid saturated fatty acid: 550g, dimethyl suflfate: 25g, diethylenetriamine: 100g, dimethylbenzene: 65g, 50% time Phosphate aqueous solution: appropriate.

2.5~3h of heat together, instillation 4 under conditions of inflated with nitrogen by liquid saturated fatty acid, diethylenetriamine and dimethylbenzene Aqueous hypophosphorous acid is dripped, 100 DEG C are still heated under the conditions of inflated with nitrogen, is slowly added to dimethyl suflfate, after reacting 2h, water cooling To room temperature.

As a kind of specific embodiment of air conditioner provided by the invention, gloss oil uses transparent dumb light polyurethane gloss oil. The coating thickness of gloss oil is 0.8~1 μ m thick, and paster on the one hand can be protected to be not easy to scratch impaired, increase paster and special-shaped cavity Adhesive force, be easy to be cleaned, on the other hand realize the dustproof and waterproof effect of lampshade.

The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.