CN109676324B - Multi-component shell machining method - Google Patents
Multi-component shell machining method Download PDFInfo
- Publication number
- CN109676324B CN109676324B CN201811593622.4A CN201811593622A CN109676324B CN 109676324 B CN109676324 B CN 109676324B CN 201811593622 A CN201811593622 A CN 201811593622A CN 109676324 B CN109676324 B CN 109676324B
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- component
- heating
- drying furnace
- connecting surface
- adhesive
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- 238000000034 method Methods 0.000 title claims description 18
- 238000003754 machining Methods 0.000 title claims description 9
- 239000000853 adhesive Substances 0.000 claims abstract description 33
- 230000001070 adhesive effect Effects 0.000 claims abstract description 33
- 238000003672 processing method Methods 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims description 40
- 238000001035 drying Methods 0.000 claims description 27
- 229920001187 thermosetting polymer Polymers 0.000 claims description 25
- 239000004831 Hot glue Substances 0.000 claims description 22
- 238000007731 hot pressing Methods 0.000 claims description 9
- 238000005086 pumping Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
Abstract
The invention discloses a processing method of a multi-component shell, which comprises the steps of firstly roughly processing a first component and a second component to be assembled, then aligning, bonding and fixing the assembling and connecting surfaces of the first component and the second component through an adhesive, and then finely processing to obtain a multi-component shell finished product.
Description
Technical Field
The invention relates to the technical field of combined shell processing, in particular to a multi-component shell processing method.
Background
Most of the existing multi-component shells are assembled in a split joint mode, namely, all the component finished products are directly assembled into a shell finished product in a physical joining or glue bonding mode, and the outer surface of the shell finished product has a splicing gap, so that the appearance is not only influenced, but also the sealing performance of the shell is poor.
Therefore, how to solve the problems of splicing gaps existing on the outer surface of the multi-component shell, which affect the appearance and the sealing performance, is a technical problem which needs to be solved by the technical personnel in the field at present.
Disclosure of Invention
The invention aims to provide a method for processing a multi-component shell, and the multi-component shell manufactured by the method has smooth surface, exquisite appearance and layering sense.
In order to solve the above technical problem, the present invention provides a method for processing a multi-component housing, comprising:
s1: roughly machining a first part and a second part to be assembled;
s2: aligning, bonding and fixing the assembly connection surface of the first component and the assembly connection surface of the second component by using an adhesive;
s3: and finishing the assembly formed by assembling the first component and the second component to obtain the finished multi-component shell.
Preferably, the assembly joint face comprises an inner assembly joint face and an outer assembly joint face, the adhesive comprises hot melt glue and thermosetting glue, and S2 comprises:
s21: placing a hot melt adhesive on the inner assembly connecting surface of the first component or the second component, and placing the second component and the first component in alignment;
s22: heating the hot melt adhesive to fixedly bond the inner assembly connecting surface of the first component and the inner assembly connecting surface of the second component;
s23: filling thermosetting adhesive into a gap formed between the outer assembly connecting surfaces of the first component and the second component;
s24: and heating the thermosetting adhesive to adhere and fix the outer assembly connecting surface of the first component and the outer assembly connecting surface of the second component.
Preferably, said heating said hot melt adhesive comprises:
hot-pressing the hot melt adhesive, wherein the hot-pressing temperature range is 250 +/-10 ℃, and the hot-pressing time is more than or equal to 30 s;
and placing the first part and the second part into an oven for baking, wherein the baking temperature range is 220 +/-10 ℃, and the baking time range is 14-16 min.
Preferably, between S23 and S24, further comprising:
and putting the first component and the second component into a drying furnace, starting the heating function of the drying furnace, and synchronously vacuumizing the drying furnace through a vacuum pump.
Preferably, the starting of the heating function of the drying oven and the synchronous vacuum pumping of the drying oven by the vacuum pump includes:
starting the heating function of the drying furnace, wherein the heating temperature range is 110 +/-10 ℃, synchronously vacuumizing the drying furnace through a vacuum pump, and standing to normal pressure after 90 seconds;
starting the heating function of the drying furnace again, wherein the heating temperature range is 110 +/-10 ℃, synchronously starting the vacuum pump to start secondary vacuum pumping, and standing to normal pressure after 90 seconds;
and starting the heating function of the drying furnace for the third time, wherein the heating temperature range is 110 +/-10 ℃, synchronously starting the vacuum pump to start the third vacuum pumping, and standing to the normal pressure after 90 seconds.
Preferably, the heating the thermosetting adhesive includes:
and placing the first part and the second part into an oven for baking, wherein the baking temperature range is 220 +/-10 ℃, and the baking time range is 14-16 min.
Preferably, the assembly connection surface of the first component and the assembly connection surface of the second component are a plane, the inner assembly connection surface is a middle portion of the assembly connection surface, and the outer assembly connection surface is two side edge portions of the assembly connection surface.
Preferably, the first member and the second member are made of different materials.
The processing method of the multi-component shell provided by the invention comprises the steps of firstly roughly processing the first component and the second component to be assembled, then aligning, bonding and fixing the assembling and connecting surfaces of the first component and the second component through the adhesive, and then finely processing to obtain the multi-component shell finished product.
Drawings
FIG. 1 is a schematic flow chart of one embodiment of a method of manufacturing a multi-component housing according to the present invention;
FIG. 2 is another schematic flow diagram of one embodiment of a method of manufacturing a multi-component housing according to the present invention;
FIG. 3 is a schematic view of a multi-part housing;
fig. 4 is a schematic view of another multi-part housing.
The drawings are numbered as follows:
the first component 1, the second component 2, the hot melt adhesive 3 and the thermosetting adhesive 4.
Detailed Description
The core of the invention is to provide a method for processing a multi-component shell, and the multi-component shell manufactured by the method has smooth surface, exquisite appearance and layering sense.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 4, fig. 1 is a schematic flow chart illustrating a method for manufacturing a multi-part housing according to an embodiment of the present invention; FIG. 2 is another schematic flow diagram of one embodiment of a method of manufacturing a multi-component housing according to the present invention; FIG. 3 is a schematic view of a multi-part housing; fig. 4 is a schematic view of another multi-part housing.
The machining method of the multi-component shell provided by the embodiment of the invention specifically comprises the following steps:
s1: roughly machining a first part 1 and a second part 2 to be assembled;
s2: the assembly connecting surface of the first component 1 and the assembly connecting surface of the second component 2 are aligned, adhered and fixed through an adhesive;
s3: and finishing the assembly formed by assembling the first component 1 and the second component 2 to obtain the finished multi-component shell.
Wherein, in step S1, the allowance of rough machining is preferably not more than 0.02mm to improve the subsequent finishing efficiency.
According to the processing method of the multi-component shell, the roughly processed first component 1 and the roughly processed second component 2 are firstly bonded and fixed and then are finely processed, so that the assembly precision requirement can be reduced, gaps among the components are filled with the adhesive, and the adhesive is processed, so that the multi-component shell manufactured by the processing method has smooth surface, exquisite appearance, good sealing performance and layering.
Furthermore, in order to ensure the structural stability and structural strength of the multi-component shell, the assembly connecting surface can be divided into an inner assembly connecting surface and an outer assembly connecting surface, the adhesive can specifically select a hot melt adhesive 3 and a thermosetting adhesive 4, the inner assembly connecting surface of the first component 1 and the inner assembly connecting surface of the second component 2 are fixedly bonded through the hot melt adhesive 3, and the inner assembly connecting surface of the first component 1 and the inner assembly connecting surface of the second component 2 are fixedly bonded through the thermosetting adhesive 4; step S2 may specifically include:
s21: placing a hot melt adhesive 3 on an inner assembly connecting surface of the first component 1 or the second component 2, and placing the second component 2 and the first component 1 in an aligned mode;
s3: heating the hot melt adhesive 3 to bond and fix the inner assembly connecting surface of the first component 1 and the inner assembly connecting surface of the second component 2;
the hot melt adhesive 3 can be heated specifically by the following method:
firstly, hot-pressing a hot-melt adhesive 3, and primarily fixing a first component 1 and a second component 2, wherein the hot-pressing temperature range can be set within the range of 250 +/-10 ℃, and the hot-pressing time is preferably not less than 30S; and then the first part 1 and the second part 2 are put into an oven for baking, wherein the baking temperature can be set within the range of 220 +/-10 ℃, and the baking time can be set within the range of 14-16min, so as to completely activate the hot melt adhesive 3.
Of course, the heating manner, and the specific heating time and temperature of the hot melt adhesive 3 are not limited thereto, and can be adjusted according to actual conditions, and it is within the scope of the present invention as long as it is ensured that the hot melt adhesive 3 can be activated to stably connect the first component 1 and the second component 2.
S4: filling thermosetting adhesive 4 into a gap formed between the outer assembly connecting surfaces of the first component 1 and the second component 2;
s5: and heating the thermosetting adhesive 4 to adhere and fix the outer assembly connecting surface of the first component 1 and the outer assembly connecting surface of the second component 2.
Specifically, the thermosetting adhesive 4 may be heated by the following method to cure the thermosetting adhesive 4: and placing the first part 1 and the second part 2 into an oven for baking, wherein the baking temperature can be specifically set within the range of 220 +/-10 ℃, and the baking time can be set within the range of 14-16 min. Of course, the heating manner, the specific heating time and the specific heating temperature of the thermosetting adhesive 4 are not limited thereto, and can be adjusted according to the actual situation.
It is to be noted that the inner assembly connection face and the outer assembly connection face are two parts of an assembly connection face, the indicated orientation or relationship of the inner and the outer being based on the structure of the multipart housing, generally speaking, the part of the assembly connection face close to the outer surface of the multipart housing is the outer assembly connection face and the part far from the outer surface of the multipart housing is the inner assembly connection face;
in one case, as illustrated in fig. 1, the assembled connection surface of the first component 1 and the second component 2 comprises two planes at right angles to each other, and when the multi-component housing is used, the arc-shaped surfaces of the first component 1 and the second component 2 are the outer surfaces of the multi-component housing, one plane connected with the arc-shaped surfaces is an outer assembled connection surface, and the other plane is an inner assembled connection surface;
in another case, taking fig. 2 as an example, the assembly joint surfaces of the first member 1 and the second member 2 may be a plane, and the inner assembly joint surface is a middle portion of the assembly joint surface, and the outer assembly joint surfaces are two side edge portions of the assembly joint surface.
In addition, the hot melt adhesive 3 and the thermosetting adhesive 4 are adhesives, the hot melt adhesive 3 has good viscosity, but the structural strength after solidification is slightly poor compared with the structural strength of the thermosetting adhesive 4, the thermosetting adhesive 4 has good strength and poor viscosity, the first component 1 and the second component 2 are adhered to the inner assembly connecting surface of the first component and the second component by the hot melt adhesive 3, and the thermosetting adhesive 4 is adhered to the outer assembly connecting surface of the first component and the second component, so that the finish machining of the assembly after the first component 1 and the second component 2 are adhered is facilitated, and the structural stability and the structural strength of a finished shell can be ensured.
On the basis of the above specific embodiment, in order to enable the thermosetting adhesive 4 to fully fill the gap formed between the outer assembly connecting surfaces of the first component 1 and the second component 2 to ensure smooth surface of the multi-component shell finished product, after the liquid thermosetting adhesive 4 is filled in the gap, the first component 1 and the second component 2 may be firstly placed in a drying furnace, the heating function of the drying furnace is started, the drying furnace is synchronously vacuumized by a vacuum pump, so that the gap is fully filled with the thermosetting adhesive 4 while being heated, and then the thermosetting adhesive 4 is reheated and cured.
To obtain a better filling effect, specifically, turning on the heating function of the drying oven and simultaneously evacuating the drying oven by the vacuum pump may include:
starting the heating function of the drying furnace, wherein the heating temperature range is 110 +/-10 ℃, synchronously vacuumizing the drying furnace through a vacuum pump, and standing to normal pressure after 90 seconds; starting the heating function of the drying furnace again, wherein the heating temperature range is 110 +/-10 ℃, synchronously starting a vacuum pump to start secondary vacuum pumping, and standing to normal pressure after 90 seconds; starting the heating function of the drying furnace for the third time, wherein the heating temperature range is 110 +/-10 ℃, synchronously starting the vacuum pump to start the third vacuum pumping, and standing to normal pressure after 90 seconds; the gap can be filled more fully by heating for multiple times and synchronously vacuumizing the thermosetting adhesive 4.
In addition to the above embodiments, the first component 1 and the second component 2 of the method for processing a multi-component housing according to the embodiments of the present invention may be made of different materials.
The multi-component housing includes a plurality of components, and since the components made of different materials cannot be cast into a whole and can only be assembled, the processing method provided by the present invention is particularly suitable for the multi-component housing assembled by the components made of different materials, and of course, the processing method can also be suitable for the multi-component housing assembled by the components made of the same materials, and the present application does not limit the present invention in particular.
It should be noted that the multi-part housing may be composed of only two parts, i.e., the first part 1 and the second part 2, or may be composed of three or more parts, and all of them are within the scope of the present invention.
In the description of the present application, relational terms such as first and second, and the like may be used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.
In addition, the embodiments in the specification are described in a progressive manner, each embodiment focuses on differences from other embodiments, and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant part can be referred to the method part for description.
The multi-part housing processing method provided by the present invention is described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (6)
1. A method of machining a multi-component housing, comprising:
s1: roughing a first part (1) and a second part (2) to be assembled;
s2: the assembly connecting surface of the first component (1) and the assembly connecting surface of the second component (2) are aligned, adhered and fixed through an adhesive;
s3: finishing the assembly formed by assembling the first component (1) and the second component (2) to obtain a multi-component shell finished product;
the equipment is connected the face and is connected the face including interior equipment with outer equipment, the adhesive includes hot melt adhesive (3) and thermosetting glue (4), and S2 includes:
s21: -placing a hot melt adhesive (3) at said inner assembly connection face of said first component (1) or said second component (2), and placing said second component (2) and said first component (1) in register;
s22: heating the hot melt adhesive (3) to bond and fix the inner assembly connecting surface of the first component (1) and the inner assembly connecting surface of the second component (2);
s23: filling thermosetting adhesive (4) into a gap formed between the outer assembly connecting surfaces of the first component (1) and the second component (2);
s24: heating the thermosetting adhesive (4) to bond and fix the outer assembly connecting surface of the first component (1) and the outer assembly connecting surface of the second component (2);
between S23 and S24 further include:
and putting the first component (1) and the second component (2) into a drying furnace, starting the heating function of the drying furnace, and synchronously vacuumizing the drying furnace through a vacuum pump.
2. The multi-component housing processing method according to claim 1, characterized in that the heating of the hot melt adhesive (3) comprises:
hot-pressing the hot melt adhesive (3), wherein the hot-pressing temperature range is 250 +/-10 ℃, and the hot-pressing time is more than or equal to 30 s;
and (3) placing the first part (1) and the second part (2) into an oven for baking, wherein the baking temperature range is 220 +/-10 ℃, and the baking time range is 14-16 min.
3. The multi-component housing processing method according to claim 2, wherein the turning on the heating function of the drying oven and the simultaneous evacuation of the drying oven by the vacuum pump comprises:
starting the heating function of the drying furnace, wherein the heating temperature range is 110 +/-10 ℃, synchronously vacuumizing the drying furnace through a vacuum pump, and standing to normal pressure after 90 seconds;
starting the heating function of the drying furnace again, wherein the heating temperature range is 110 +/-10 ℃, synchronously starting the vacuum pump to start secondary vacuum pumping, and standing to normal pressure after 90 seconds;
and starting the heating function of the drying furnace for the third time, wherein the heating temperature range is 110 +/-10 ℃, synchronously starting the vacuum pump to start the third vacuum pumping, and standing to the normal pressure after 90 seconds.
4. The multipart housing manufacturing process according to claim 1, wherein said heating of said thermosetting glue (4) comprises:
and (3) placing the first part (1) and the second part (2) into an oven for baking, wherein the baking temperature range is 220 +/-10 ℃, and the baking time range is 14-16 min.
5. A method of machining a multipart housing according to claim 1, wherein said assembly joint of said first (1) and said second (2) part is one plane, said inner assembly joint being a middle part of said assembly joint and said outer assembly joint being two side edge parts of said assembly joint.
6. Method according to any of claims 1 to 5, characterized in that the first part (1) and the second part (2) are of different material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811593622.4A CN109676324B (en) | 2018-12-25 | 2018-12-25 | Multi-component shell machining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811593622.4A CN109676324B (en) | 2018-12-25 | 2018-12-25 | Multi-component shell machining method |
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| Publication Number | Publication Date |
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| CN109676324A CN109676324A (en) | 2019-04-26 |
| CN109676324B true CN109676324B (en) | 2021-04-30 |
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| CN201811593622.4A Active CN109676324B (en) | 2018-12-25 | 2018-12-25 | Multi-component shell machining method |
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| CN111081940A (en) * | 2020-01-09 | 2020-04-28 | 惠州亿纬锂能股份有限公司 | Battery box body structure, assembling and disassembling method thereof and storage battery |
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| CN105269255B (en) * | 2014-07-25 | 2018-04-24 | 深圳富泰宏精密工业有限公司 | Housing, the electronic device of the production method and application of the housing housing |
| CN104607884B (en) * | 2015-02-13 | 2017-03-22 | 广东欧珀移动通信有限公司 | Processing technique of cellphone shell with metal luster |
| CN106426958A (en) * | 2016-10-31 | 2017-02-22 | 维沃移动通信有限公司 | Terminal rear cover and terminal rear cover preparation method |
| CN206312176U (en) * | 2016-12-14 | 2017-07-07 | 南昌欧菲光学技术有限公司 | Mobile terminal and its back shroud |
| WO2018171095A1 (en) * | 2017-03-20 | 2018-09-27 | 华为技术有限公司 | Method for preparing electronic device shell, electronic device shell and electronic device |
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