CN114834061A - Display shell manufacturing process, display shell and infusion pump display screen - Google Patents
Display shell manufacturing process, display shell and infusion pump display screen Download PDFInfo
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- CN114834061A CN114834061A CN202210539196.6A CN202210539196A CN114834061A CN 114834061 A CN114834061 A CN 114834061A CN 202210539196 A CN202210539196 A CN 202210539196A CN 114834061 A CN114834061 A CN 114834061A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 25
- 238000001802 infusion Methods 0.000 title claims abstract description 24
- 239000012528 membrane Substances 0.000 claims abstract description 81
- 239000000463 material Substances 0.000 claims abstract description 79
- 230000002093 peripheral effect Effects 0.000 claims abstract description 60
- 238000001746 injection moulding Methods 0.000 claims abstract description 49
- 239000000945 filler Substances 0.000 claims abstract description 30
- 238000007650 screen-printing Methods 0.000 claims abstract description 24
- 238000000465 moulding Methods 0.000 claims abstract description 13
- 239000000758 substrate Substances 0.000 claims description 17
- 239000012780 transparent material Substances 0.000 claims description 12
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- 238000001035 drying Methods 0.000 claims description 10
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- 239000012535 impurity Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 abstract description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 24
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 22
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Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
- B29C45/0055—Shaping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14778—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the article consisting of a material with particular properties, e.g. porous, brittle
- B29C45/14811—Multilayered articles
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1601—Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
- B29C45/0055—Shaping
- B29C2045/0058—Shaping removing material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
- B29C2045/0077—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping removing burrs or flashes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
- B29C2045/14237—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure the inserts being deformed or preformed outside the mould or mould cavity
- B29C2045/14245—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure the inserts being deformed or preformed outside the mould or mould cavity using deforming or preforming means outside the mould cavity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C2045/1486—Details, accessories and auxiliary operations
- B29C2045/14868—Pretreatment of the insert, e.g. etching, cleaning
Abstract
The invention provides a display shell manufacturing process, a display shell and an infusion pump display screen, which comprises the following steps: providing a base material membrane with a silk-screen layer on one side; molding a transparent layer on the silk-screen layer by injection molding, and obtaining a supporting diaphragm; injection molding a peripheral housing of an opaque material, the peripheral housing having an opening to match the support membrane; the supporting diaphragm is placed at the opening, and a filling agent is adopted to perform injection molding between the peripheral shell and the supporting diaphragm to form a connecting structure; and adhering the capacitive touch screen to the side of the transparent layer far away from the silk screen printing layer to form a capacitive touch screen layer, so as to obtain the display shell. The invention can meet the requirement of large-size processing, and solves the problem of large-size display screen of the infusion pump; meanwhile, the sealing performance and the weather resistance between the supporting membrane and the peripheral shell are improved, the glue is prevented from being broken, the surface is not easy to scratch and rub, the color can be kept bright for a long time and is not easy to fade, and the clinical use experience is greatly improved.
Description
Technical Field
The invention relates to the technical field of medical instruments, in particular to a display shell manufacturing process, a display shell and an infusion pump display screen.
Background
Along with the development of science and technology and economy, infusion pumps are more and more widely used in clinics, the working efficiency of medical personnel is greatly improved, and meanwhile, the display of the infusion pumps shows a large screen trend for conveniently displaying more infusion related information and facilitating operation. The display area of the traditional process is that after the PET film is subjected to silk-screen printing of a required pattern, glue is coated on the back of the film and is bonded on the shell, the bonding glue can age and break after long-time use of the process, the bonding film falls off, and frequent point contact or point contact with a harder substance can cause scratch and scratch of the film due to the fact that the surface hardness of the film is soft, so that the display effect and the use experience of a user are influenced.
Disclosure of Invention
The invention aims to solve the defects in the prior art at least to a certain extent and provides a display shell manufacturing process, a display shell and an infusion pump display screen.
A first embodiment of the present invention provides a display housing manufacturing process, including the steps of:
providing a base material membrane with a silk-screen layer on one side;
molding a transparent layer on the silk-screen layer by injection molding, and obtaining a supporting diaphragm;
injection molding a peripheral housing of an opaque material, the peripheral housing having an opening to match the support membrane;
the supporting diaphragm is placed at the opening, and a filling agent is adopted to perform injection molding between the peripheral shell and the supporting diaphragm to form a connecting structure;
and adhering the capacitive touch screen to the side of the transparent layer far away from the silk screen printing layer to form a capacitive touch screen layer, so as to obtain the display shell.
Further, the substrate membrane with the silk-screen layer on one side comprises:
silk-screen printing patterns on the surface of the base material membrane, wherein the patterns comprise a battery electric quantity display pattern, an alternating current charging display pattern, an ambient light detection pattern, a display window and positioning points;
and drying the patterns by adopting air drying or a baking lamp to form the silk-screen layer.
Further, the drying the patterns by using air drying or baking lamps to form the silk-screen layer further comprises:
hot-pressing the base material membrane with the silk-screen layer to form a preset edge radian;
and cutting the arc edges and the burrs of the base material membrane subjected to hot press molding.
Further, the injection molding of the transparent layer on the silk-screen layer to obtain the support membrane further includes:
and adopting CNC to carve the support diaphragm to remove redundant materials and cleaning burrs and impurities.
Further, the support diaphragm is placed at the opening, and a filling agent is injected between the peripheral shell and the support diaphragm to form a connecting structure, wherein the connecting structure comprises:
placing the support membrane at the opening;
filling a filler into the space between the peripheral shell and the supporting diaphragm in an injection molding manner to form a first connecting structure; and/or, a filler is adopted to cover the joint of the peripheral shell and the supporting diaphragm in an injection molding manner to form a second connecting structure.
Further, the transparent layer is made of an ABS transparent material, a PBT transparent material or a PMMA transparent material.
Further, the opaque material comprises a white ABS material, a white PBT material or a white PMMA material;
or the opaque material and the filler both comprise a white ABS material, a white PBT material or a white PMMA material.
Further, the peripheral shell and the connecting structure are formed by secondary injection molding or double-shot injection molding.
The second embodiment of the invention also provides a display shell, which is manufactured by adopting the display shell manufacturing process as described in any one of the above embodiments, the display shell comprises a supporting membrane, a connecting structure, a peripheral shell and a capacitive touch screen layer, and the supporting membrane and the peripheral shell are integrally connected through the connecting structure; the capacitive touch screen comprises a support diaphragm, a screen printing layer and a transparent layer, wherein the support diaphragm comprises a base material diaphragm, the screen printing layer and the transparent layer which are sequentially arranged towards the direction far away from the peripheral shell, and the capacitive touch screen layer is bonded to the side, far away from the screen printing layer, of the transparent layer.
The third embodiment of the invention also provides an infusion pump display screen, which comprises a display structure, a display screen bracket, a PCB (printed circuit board), a display screen rear cover and the display shell;
the display shell with the lid encloses to close behind the display screen and forms the holding chamber, the holding intracavity certainly the display shell court the display screen direction has set gradually the display structure the display screen support with the PCB board.
The embodiment of the invention has the beneficial effects that: the transparent layer is injected on the silk screen layer to obtain the supporting diaphragm, the opaque material is adopted for injection molding to form the peripheral shell, the peripheral shell is provided with an opening, the supporting diaphragm is arranged at the opening, the filling agent is used for injection molding between the peripheral shell and the supporting diaphragm to form a connecting structure, the supporting diaphragm and the peripheral shell are integrally formed, and finally the capacitive touch screen is bonded on the transparent layer to obtain the display shell. According to the invention, the supporting membrane and the peripheral shell of the display shell are formed separately, so that the supporting membrane and the peripheral shell are uniform in shape and wall thickness, convenient to stably form, high in dimensional accuracy, small in deformation of the finally manufactured large-size display shell and high in dimensional accuracy, and can meet the requirements of subsequent assembly and use; meanwhile, as the capacitive touch screen and the transparent layer are stacked on the silk screen layer, the surface is not easy to scratch and rub, and the bright color can be kept for a long time and is not easy to fade, so that the clinical use experience is greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a process flow diagram of a display housing manufacturing process provided by an embodiment of the present invention;
FIG. 2 is a first sub-flow diagram of a display housing manufacturing process provided by an embodiment of the present invention;
FIG. 3 is a second sub-flow diagram of a display housing manufacturing process provided by an embodiment of the present invention;
FIG. 4 is a schematic illustration of a substrate film processing according to an embodiment of the present invention;
FIG. 5 is a first angle schematic diagram of a supporting diaphragm and a capacitive touch screen layer according to an embodiment of the invention;
FIG. 6 is a schematic cross-sectional view of a support membrane and a capacitive touch screen layer according to an embodiment of the invention;
FIG. 7 is a schematic diagram of a display case according to an embodiment of the present invention;
FIG. 8 is a schematic view of a display case processing process provided by an embodiment of the present invention;
FIG. 9 is a schematic view of another exemplary display housing according to an embodiment of the present invention;
fig. 10 is an exploded view of the structural components of a display screen of an infusion pump according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the present invention and should not be construed as limiting the present invention, and all other embodiments that can be obtained by one skilled in the art based on the embodiments of the present invention without inventive efforts shall fall within the scope of protection of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "circumferential," "radial," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1, 5 to 8, a first embodiment of the present invention provides a display housing manufacturing process, including the following steps:
s110, providing a base material membrane 11 with a silk-screen layer 12 on one side;
the substrate film 11 may be, but is not limited to, a PET (thermoplastic polyester) transparent film, and optionally, the thickness of the PET transparent film is about 0.1-0.15 mm; of course, the substrate film 11 may be made of other types of transparent plastic materials.
S120, injection molding is carried out on the silk-screen printing layer 12 to form a transparent layer 13, and a support membrane 1 is obtained;
in this step, the substrate film 11 is placed in a first mold; specifically, the first mold is designed to fuse the injection molding material and the substrate diaphragm 11 above the silk screen layer 12 into a whole to form the transparent layer 13, and the transparent layer 13 can play a role in reinforcing the overall strength and supporting the substrate diaphragm 11.
S130, forming a peripheral shell 2 by adopting an opaque material in an injection molding mode, wherein the peripheral shell 2 is provided with an opening 21 to match with and support the membrane 1;
in this step, the opaque material is injection molded to form the outer casing 2 for surrounding the support membrane 1, i.e. the injection molded outer casing 2 has an opening 21 for surrounding the support membrane 1, which facilitates the injection molding in step S140.
S140, placing the supporting diaphragm 1 at the opening 21, and forming a connecting structure 3 between the peripheral shell 2 and the supporting diaphragm 1 by injection molding through a filling agent;
in this step, the support membrane 1 obtained in step S130 and the outer casing 2 obtained in step S140 are subjected to a third injection molding, so that the support membrane 1 and the outer casing 2 are fused together by a filler, thereby improving the sealing property and weather resistance between the support membrane 1 and the outer casing 2 and avoiding the occurrence of a glue failure.
And S150, adhering the capacitive touch screen to the side, far away from the silk-screen layer 12, of the transparent layer 13 to form a capacitive touch screen layer 4, and obtaining the display shell 100.
In the step, the capacitive touch screen is adhered to the transparent layer 13 of the support membrane 1 through glue to form a capacitive touch screen layer 4, the thickness of the capacitive touch screen is preferably 0.6-0.7 mm, and the large-size display shell 100 is processed.
In the embodiment, the supporting membrane 1 and the peripheral shell 2 of the display shell 100 are formed separately, so that the supporting membrane 1 and the peripheral shell 2 are uniform in shape and wall thickness and convenient to stably form, the size precision is high, the finally manufactured large-size display shell 100 is ensured to be small in deformation and high in size precision, the subsequent assembly and use requirements can be met, the supporting membrane 1 and the peripheral shell 2 which are integrally formed are obtained through the three injection molding processes, the sealing property and the weather resistance between the supporting membrane 1 and the peripheral shell 2 are improved, and the glue failure phenomenon is avoided; meanwhile, as the capacitive touch screen and the transparent layer 13 are stacked on the silk-screen layer 12, the surface is not easy to scratch and rub, the antistatic and waterproof effects are excellent, the vivid color can be kept for a long time, the color is not easy to fade, the clinical use requirement for frequently operating the infusion pump is met, and the clinical use experience is greatly improved.
Further, referring to fig. 2, 4 and 5, providing a substrate film 11 having a silk-screen layer 12 on one side thereof includes:
s111, silk-screen printing patterns on the surface of the base material membrane 11, wherein the patterns comprise a battery power display pattern, an alternating current charging display pattern, an ambient light detection pattern, a display window 121 and positioning points 122;
taking a PET transparent film as a base material, processing a plurality of first positioning holes 111 on a base material membrane 11 by using a punching machine, wherein the distance between every two adjacent first positioning holes 111 is larger than the size of a silk-screen pattern of a product, fixing the PET transparent film on a silk-screen machine table through the positioning holes, manufacturing a silk-screen plate with a required pattern, and arranging the pattern silk on the base material membrane 11; the silk-screen pattern may include a battery power display pattern, an ac charging display pattern, an ambient light detection pattern, a display window 121, an anchor point 122, and the like.
It should be noted that, the preferred number of the first positioning holes 111 is 4, and the first positioning holes are respectively arranged around the substrate membrane 11, so that the substrate membrane is conveniently fixed on the screen printing machine, and the movement is avoided.
And S112, drying the pattern by adopting air drying or a baking lamp to form the silk-screen printing layer 12.
Of course, the drying mode in this step can also adopt oven or high temperature drying; however, in order to ensure the pattern drying effect and avoid damage, etc. to the pattern, air drying or oven drying is preferably used.
Further, drying the pattern by air drying or baking with a lamp to form the silk-screen layer 12 further includes:
s113, hot-pressing the base material membrane 11 with the silk-screen layer 12 to form a preset edge radian;
in this step, the positioning point 122 of the substrate membrane 11 having the screen printing layer 12 obtained in step S111 is processed into a second positioning hole by using a punch, then the substrate membrane 11 is placed in a heater to soften the substrate membrane 11, then the softened substrate membrane 11 is placed in a hot press forming mold, and the substrate membrane 11 is positioned by the second positioning hole and processed into a required edge radian by hot pressing.
And S114, cutting the arc edges and the burrs of the base material membrane 11 subjected to hot press molding.
In the step, the base material membrane 11 after hot press forming is placed in a cutting die, the redundant base material membrane 11 is cut along a cutting frame 113 through product shape positioning to obtain a membrane 1 with a required pattern and a required shape, and then arc edges and burrs are trimmed to obtain an expected shape; the problems of unclean section and more burrs and flashes are avoided, the subsequent assembly is convenient, the processing and assembling precision is high, and the product quality is ensured.
Further, the injection molding of the transparent layer 13 on the screen printing layer 12 and the obtaining of the supporting membrane 1 further includes:
s121, carrying out fine engraving on the supporting diaphragm 1 by adopting CNC (computer numerical control) processing to remove redundant materials, and cleaning burrs and impurities.
In this step, carry out the finishing impression and clear up burr and impurity to supporting diaphragm 1, can avoid the not clean problem of section, burr and overlap many to appear, the follow-up assembly of being convenient for, processing and assembly precision are high, guarantee product quality.
Further, referring to fig. 3, the step of placing the supporting membrane 1 at the opening 21, and forming the connecting structure 3 between the outer casing 2 and the supporting membrane 1 by injection molding using a filling agent includes:
s141, placing the supporting membrane 1 at the opening 21;
in this step, it is preferable that the size of the support membrane 1 is slightly smaller than the size of the opening 21, that is, when the support membrane 1 is assembled in the opening 21, the support membrane 1 is at least partially spaced from the opening 21, so that the filler is injected between the support membrane 1 and the opening 21 to form the connecting structure 3, so that the support membrane 1 and the outer casing 2 are integrally formed.
S142, filling a filler into the space between the peripheral shell 2 and the supporting diaphragm 1 in an injection molding manner to form a first connecting structure; and/or, a filling agent is adopted to cover the joint of the peripheral shell 2 and the supporting diaphragm 1 in an injection molding manner to form a second connecting structure;
when each side of the supporting diaphragm 1 and the opening 21 are provided with a gap, namely, a gap formed by an annular gap is formed between the supporting diaphragm 1 and the opening 21 at the moment, a filler is adopted to form a first connecting structure by injection molding between the whole annular gap, and at the moment, two sides of the first connecting structure are respectively connected with the supporting diaphragm 1 and the outer periphery shell 2, so that the supporting diaphragm 1 and the outer periphery shell 2 are fused into a whole through the filler.
When at least one side of the supporting diaphragm 1 is connected with the peripheral shell 2, namely at the moment, at least one side of the supporting diaphragm 1 and the opening 21 has an interval, a filling agent is adopted to form second connecting structures between the intervals and between the peripheral shell 2 and the supporting diaphragm 1 through injection molding, and at the moment, two sides of the second connecting structures are respectively connected with the supporting diaphragm 1 and the peripheral shell 2, so that the supporting diaphragm 1 and the peripheral shell 2 are integrated through the filling agent.
Further, the transparent layer 13 is made of ABS (Acrylonitrile Butadiene Styrene) transparent material, PBT transparent material or PMMA transparent material.
In this embodiment, the transparent layer 13 is preferably made of ABS transparent material, which has excellent overall properties: on one hand, the ABS plastic part has high strength, good rigidity, good hardness, impact resistance, good surface gloss and good wear resistance, and can be made into a transparent layer 13. On the other hand, ABS has good molding processability, good dimensional stability and stable dimension under pressure, and is applied to the use scene of infusion pumps. Of course, in other embodiments, the transparent layer 13 may also be made of PBT transparent material or PMMA transparent material.
Further, the opaque material includes a white ABS material, a white PBT material, or a white PMMA material; or the opaque material and the filling agent comprise white ABS material, white PBT material or white PMMA material.
In this embodiment, the opaque material is a white ABS material, which has superior overall properties: on one hand, the ABS plastic part has high strength, good rigidity, good hardness, impact resistance, good surface gloss and good wear resistance. On the other hand, ABS has excellent molding processability, good dimensional stability and dimensional stability under pressure. Based on the above properties, ABS material is particularly suitable for use in the context of infusion pumps as the outer housing 2. Of course, in other embodiments, the opaque material may be a material that meets the use requirements, other than the white opaque ABS material, as long as it has good rigidity, impact resistance, wear resistance, dimensional stability, and good molding characteristics, such as a white PBT material or a white PMMA material.
It should be noted that the peripheral housing 2 and the connecting structure 3 may be made of the same material or different materials, and the size precision is not limited herein as long as the deformation of the display housing 100 is small.
Further, the outer peripheral housing 2 and the connecting structure 3 are formed by two-shot injection molding or two-shot injection molding.
Specifically, the steps S130 and S140 may be manufactured by two-shot injection molding, such as:
step S130, using a second mold, selecting a white opaque ABS material for injection molding, and forming a peripheral housing 2 for enclosing the supporting membrane 1; the support diaphragm 1 obtained in step S120 and the outer casing 2 molded in step S130 are placed in a third mold, and the same white opaque ABS material as that in step S130 is selected as a filler, and a third injection molding is performed to form the connection structure 3 so that the support diaphragm 1 and the outer casing 2 are fused together by the filler.
In other embodiments, for a small-sized display case 100, the display case 100 is less deformed, and the support film 1 with the PET film layer, the silk screen layer 12 and the transparent layer 13 may be directly injection molded integrally with the peripheral case 2. The method comprises the following specific steps:
step S130 and step S140 may be performed by injection molding using a two-color mold, such as:
the two shapes of the female mold are different (shape 1 and shape 2), the white opaque ABS material used as the outer casing 2 and the white opaque ABS material used as the filler are molded separately, the two shapes of the male mold are identical, the supporting membrane 1 obtained in step S120 is placed in the male mold, the outer casing 2 is molded by using the white opaque ABS material in the shape 1 of the female mold, and the connecting structure 3 between the outer casing 2 and the supporting membrane 1 is molded by using the white opaque ABS material in the shape 2 of the female mold. The above steps do not require a third set of mold to inject the filler, and the manufacturing method is particularly suitable for the display housing 100 (as shown in fig. 9) with the smaller size of the outer housing 2, because the outer periphery of the display housing 100 has smaller size, easy molding, small deformation and stable size.
The specific operation steps of the whole display housing 100 manufacturing process are as follows:
silk-screen printing patterns on the surface of the base material membrane 11, wherein the patterns comprise a battery power display pattern, an alternating current charging display pattern, an ambient light detection pattern, a display window 121 and positioning points 122; drying the patterns by adopting air drying or a baking lamp to form a silk-screen printing layer 12;
hot-pressing the base material diaphragm 11 with the silk-screen layer 12 to form a required edge radian; cutting the arc edges and burrs of the base material membrane 11 after hot press molding;
molding a transparent layer 13 on the silk-screen layer 12 by injection molding, and obtaining a support diaphragm 1; carrying out fine carving on the supporting diaphragm 1 by adopting CNC (computerized numerical control) to remove redundant materials, and cleaning burrs and impurities;
forming a peripheral shell 2 by injection molding of an opaque material, the peripheral shell 2 having an opening 21 to match the support membrane 1;
placing the support membrane 1 at the opening 21; filling a filler into the space between the peripheral shell 2 and the supporting diaphragm 1 in an injection molding manner to form a first connecting structure; and/or, a filling agent is adopted to cover the joint of the peripheral shell 2 and the supporting diaphragm 1 in an injection molding manner to form a second connecting structure;
and adhering the capacitive touch screen to the side of the transparent layer 13 far away from the silk-screen layer 12 to form a capacitive touch screen layer 4, so as to obtain the display shell 100.
Referring to fig. 5 to 9, a display shell 100 is further provided in a second embodiment of the present invention, and is manufactured by any one of the above manufacturing processes of the display shell 100, where the display shell 100 includes a supporting diaphragm 1, a connecting structure 3, a peripheral shell 2, and a capacitive touch screen layer 4, and the supporting diaphragm 1 and the peripheral shell 2 are integrally connected by the connecting structure 3; the supporting diaphragm 1 comprises a base material diaphragm 11, a silk screen layer 12 and a transparent layer 13 which are sequentially arranged towards the direction far away from the peripheral shell 2, and the capacitive touch screen layer 4 is bonded to the side, far away from the silk screen layer 12, of the transparent layer 13.
In this embodiment, the peripheral casing 2 manufactured by the above process has an opening 21, the opening 21 is used to surround the supporting membrane 1, and at least one side of the supporting membrane 1 has a space, preferably, a gap formed by an annular space is formed between the supporting membrane 1 and the opening 21, and is used for a filler to be injected to form the connecting structure 3 therein, so as to fuse the supporting membrane 1 and the peripheral casing 2 into a whole, the display casing 100 manufactured in this way can meet the requirement of large-size processing, and the problem related to large-size of the display screen 200 of the infusion pump is solved.
Specifically, support diaphragm 1 includes substrate diaphragm 11, silk screen printing layer 12 and stratum lucidum 13, utilizes moulding plastics with stratum lucidum 13 shaping on silk screen printing layer 12, and with electric capacity touch-sensitive screen layer 4 bond in stratum lucidum 13 keep away from silk screen printing layer 12 side, ensure that 100 faces of display shell are difficult for being scraped flower, antifriction to can keep the bright difficult fade of colour for a long time, promote clinical use experience greatly.
It should be noted that, a convex structure may be disposed on the peripheral side of the supporting membrane 1, so that the opaque ABS material is coated on the convex structure during injection molding, and the connecting structure 3 may better connect the supporting membrane 1 and the outer casing 2; in other embodiments, a groove structure may be disposed on the periphery of the supporting membrane 1, so that the opaque ABS material is filled in the groove structure during injection molding, and the connecting structure 3 may better connect the supporting membrane 1 and the outer casing 2; of course, a raised structure and/or a recessed structure may be provided on the peripheral housing, so that the connecting structure 3 may better connect the supporting membrane 1 with the peripheral housing 2. Wherein, the convex structure can be convex or concave; or hook-shaped, the shape of which is not limited herein, as long as the connection structure 3 can be better connected thereto.
Referring to fig. 10, the third embodiment of the present invention further provides an infusion pump display 200, which includes a display structure 5, a display bracket 6, a PCB 7, a display rear cover 8 and a display housing 100; the display shell 100 and the display screen rear cover 8 are enclosed to form an accommodating cavity, and the accommodating cavity is internally provided with a display structure 5, a display screen support 6 and a PCB 7 in sequence from the display shell 100 to the display screen.
In this embodiment, the display case 100, the display structure 5, the display screen bracket 6, the PCB board 7 and the display screen rear cover 8 together form an infusion pump display screen 200, and the infusion pump display screen 200 can realize the parameter input and information display functions of the infusion pump; the display shell 100 can be applied to large-size processing to meet the requirement of large-screen display of the infusion pump, and the size of the adaptive display screen can be 2-10 inches in the field of infusion pumps.
In conclusion, according to the manufacturing process of the display shell, the transparent layer is injected on the silk screen layer to obtain the supporting diaphragm, then the white opaque ABS material is used for injection molding to form the peripheral shell, and then the complete display shell is finally formed through three times of injection molding, so that the requirements of long-term point contact use, scratch resistance, bright color, fading resistance and good weather resistance can be met, and the requirements of matching use of a large-size display screen and processing of the large-size display shell can be met. Meanwhile, the display shell can be applied to the field of infusion pumps. Furthermore, the display shell manufactured by the processing technology is also suitable for occasions matched with large-size display screens, and meets the requirements of large-screen operation and display of the infusion pump in clinic.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In view of the above description of the technical solutions provided by the present invention, those skilled in the art will recognize that there may be variations in the technical solutions and the application ranges according to the concepts of the embodiments of the present invention, and in summary, the content of the present specification should not be construed as limiting the present invention.
Claims (10)
1. A display housing manufacturing process, comprising the steps of:
providing a base material membrane with a silk-screen layer on one side;
molding a transparent layer on the silk-screen layer by injection molding, and obtaining a supporting diaphragm;
injection molding a peripheral housing of an opaque material, the peripheral housing having an opening to match the support membrane;
the supporting diaphragm is placed at the opening, and a filling agent is adopted to perform injection molding between the peripheral shell and the supporting diaphragm to form a connecting structure;
and adhering the capacitive touch screen to the side of the transparent layer far away from the silk screen printing layer to form a capacitive touch screen layer, so as to obtain the display shell.
2. The display housing manufacturing process of claim 1, wherein said providing a substrate membrane having a screen printed layer on one side comprises:
silk-screen printing patterns on the surface of the base material membrane, wherein the patterns comprise a battery electric quantity display pattern, an alternating current charging display pattern, an ambient light detection pattern, a display window and positioning points;
and drying the patterns by adopting air drying or a baking lamp to form the silk-screen layer.
3. The manufacturing process of display shell according to claim 2, wherein said drying the pattern by air drying or baking lamp to form the silk-screen layer further comprises:
hot-pressing the base material membrane with the silk-screen layer to form a preset edge radian;
and cutting the arc edges and the burrs of the base material membrane subjected to hot press molding.
4. The process of manufacturing a display cover according to claim 1, wherein said injection molding a transparent layer on said screen printing layer and obtaining a supporting membrane further comprises:
and adopting CNC to carve the support diaphragm to remove redundant materials and cleaning burrs and impurities.
5. The manufacturing process of display shell according to claim 1, wherein the supporting membrane is placed at the opening, and the injection molding of the filler between the peripheral shell and the supporting membrane to form the connecting structure comprises:
placing the support membrane at the opening;
filling a filler into the space between the peripheral shell and the supporting diaphragm in an injection molding manner to form a first connecting structure; and/or, a filler is adopted to cover the joint of the peripheral shell and the supporting diaphragm in an injection molding manner to form a second connecting structure.
6. The display housing manufacturing process according to claim 1, wherein the transparent layer is made of an ABS transparent material, a PBT transparent material or a PMMA transparent material.
7. The display housing manufacturing process of claim 1, wherein the opaque material comprises a white ABS material, a white PBT material, or a white PMMA material;
or the opaque material and the filler both comprise a white ABS material, a white PBT material or a white PMMA material.
8. The manufacturing process of the display housing according to claim 1, wherein the outer peripheral housing and the connecting structure are formed by two-shot injection molding or two-shot injection molding.
9. A display housing manufactured by the manufacturing process of any one of claims 1 to 8, the display housing comprising a supporting membrane, a connecting structure, a peripheral housing, and a capacitive touch screen layer, wherein the supporting membrane and the peripheral housing are integrally connected by the connecting structure; the capacitive touch screen comprises a support diaphragm, a screen printing layer and a transparent layer, wherein the support diaphragm comprises a base material diaphragm, the screen printing layer and the transparent layer which are sequentially arranged towards the direction far away from the peripheral shell, and the capacitive touch screen layer is bonded to the side, far away from the screen printing layer, of the transparent layer.
10. An infusion pump display comprising a display structure, a display support, a PCB board, a display rear cover, and a display housing as claimed in claim 9;
the display shell with the lid encloses to close behind the display screen and forms the holding chamber, the holding intracavity certainly the display shell court the display screen direction has set gradually the display structure the display screen support with the PCB board.
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| CN202210539196.6A CN114834061A (en) | 2022-05-18 | 2022-05-18 | Display shell manufacturing process, display shell and infusion pump display screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210539196.6A CN114834061A (en) | 2022-05-18 | 2022-05-18 | Display shell manufacturing process, display shell and infusion pump display screen |
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| TW202142390A (en) * | 2020-03-18 | 2021-11-16 | 日商東麗股份有限公司 | Integrally molded body and method for manufacturing same |
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| CN1277913A (en) * | 1999-05-20 | 2000-12-27 | 佳能株式会社 | Method for connecting moulded resin products, processing box and assembling method therefor |
| US20090101489A1 (en) * | 2007-10-23 | 2009-04-23 | Min-Yi Lee | In-mould molding touch module and method for manufacturing the same |
| CN106378880A (en) * | 2015-07-27 | 2017-02-08 | 惠州市德赛西威汽车电子股份有限公司 | Manufacturing method for mold internal decoration molding of vehicle-mounted center control integrated plastic curved surface panel |
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