CN106426957A - Hot melting body and hot melting method - Google Patents
Hot melting body and hot melting method Download PDFInfo
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- CN106426957A CN106426957A CN201510484170.6A CN201510484170A CN106426957A CN 106426957 A CN106426957 A CN 106426957A CN 201510484170 A CN201510484170 A CN 201510484170A CN 106426957 A CN106426957 A CN 106426957A
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Abstract
The invention relates to a hot melting body and a hot melting method. The hot melting body is provided with a to-be-hot-melted piece position where to-be-hot-melted pieces are arranged, and a plurality of hot melting columns are arranged around the to-be-hot-melted piece position. The hot melting method includes the steps that the to-be-hot-melted pieces are placed on the to-be-hot-melted piece position on the hot melting body; the hot melting body is placed in a hot melting clamp, the position of the hot melting body is adjusted through a positioning block to enable the positions of the hot melting columns to correspond to the position of a hot melting head for hot melting of the multiple hot melting columns; hot melting parameters of the hot melting clamp are set; and hot melting of the multiple hot melting columns is carried out through the hot melting head according to the set hot melting parameters, and the multiple hot melting columns deform and melt to the to-be-hot-melted piece position at the same time. According to the hot melting body and the hot melting method in the embodiment, fixation of the to-be-hot-melted pieces in various shapes can be achieved, the product yield is higher, hole drilling on the to-be-hot-melted pieces is not needed, and the die cost and the manufacturing time cost are saved.
Description
Technical field
All things considered of the present invention is related to sweat soldering technical field, more particularly, is related to a kind of hot melt originally
Body and melt process.
Background technology
In the production process of the electronic product such as mobile terminal or panel computer, often may require that metal portion
Part (as antenna etc.) is fixed on the housing of electronic product, and the fixing meanss commonly used at present have mold insert to be molded
Fixation is pasted in molding, double faced adhesive tape and hot melt is fixed.
Mold insert injection mo(u)lding refers to load the metal parts such as pre-prepd antenna in mold cavity, then
Matched moulds carries out the injection of plastic cement.The plastic material of melting is full of the cavity space beyond metal parts, solidification
It is integrally formed with metal parts afterwards, be ejected together as overall after die sinking.This fixed form is more firm
Gu, metal parts and plastic casing are combined into an entirety, are not easy to depart from by external force effect.But
Mold insert injection molding process is higher to technical requirements, and mould structure is relatively complicated, and die cost is relatively
High.In addition mold insert injection molding process also restricted to the shape of metal parts it is desirable to metal parts can
(typically requiring that the benchmark as positioning for the hole is had on metal parts), otherwise molding is accurately positioned in mould
Easily deviation in product space afterwards, if metal parts is antenna, arises that radiation is bad.
Because the bar-shaped metal parts that cross sectional shape is circular is difficult to position inside mould, so using mold insert note
Molded technique is bad to bar-shaped metal parts fixed effect, easily occurs combining deviation.
Double faced adhesive tape is pasted fixation and is referred to there is stickiness using the two sides of double faced adhesive tape, by metal parts and
Electronic product casing is pasted together.Double faced adhesive tape pastes fixing phase to other fixed form low production efficiencies,
Adhering effect ratio affected by environment is larger, and stability is relatively low, and under hot and humid environment, adhering effect is no
Method ensures.Additionally, double faced adhesive tape paste fixing to electronic housings with the metal parts shape fixed is all limited
System, the region that both combine needs the plane of larger area, so double faced adhesive tape pastes fixed form discomfort
With the fixation to bar-shaped metal parts.
Hot melt fixation refers to the characteristic low using hot molten column material melting point, using the hot melt head (of higher temperature
As temperature be 220 DEG C), to hot molten column heating and pressure so as to fusing deformation, the heat that shape changes
Molten post will treat that hot melt part is fixed on hot melt body.
Fig. 1 illustrates hot melt body and the sectional view treating hot melt part before existing hot melt fixation.As shown in figure 1,
Existing hot melt fixation generally requires perforate on treating hot melt part 1, arranges hot molten column on hot melt body 2
3.In reflow process, first by treat hot melt part 1 perforate pass through hot melt body 2 on hot molten column 3 with
It is assembled on hot melt body 2, then the part assembling is put into positioning on hot-melting fixture base, finally
Hot melt head 4 after heating is moved down, is pressed on hot molten column 3, until hot molten column 3 melts deformation,
Treat that hot melt part 1 is fixed on hot melt body 2.Fig. 2 illustrates the hot melt body after existing hot melt fixation
With the sectional view treating hot melt part.As can be seen here, existing hot melt fixation is only applicable to treat that hot melt part is with holes
Sheet metal situation.
In sum, the fixed effect to bar-shaped metal parts for the parts fixing meanss of existing electronic product
All undesirable, easily occur with reference to deviation or fixing problem loosely.
Content of the invention
It is an object of the invention to provide a kind of hot melt body and melt process, can achieve to variously-shaped
Treat the fixation of hot melt part, the yield of product is higher.
An aspect of of the present present invention provides a kind of hot melt body, this hot melt body has and treats heat for setting
Molten part treat hot melt part position, treat to be provided with multiple hot molten columns around hot melt part position described.
Alternatively, described hot molten column includes hot melt variant part and connects the non-of hot melt body and hot melt variant part
Hot melt variant part, the floor space of described hot melt variant part is more than top area.
Alternatively, the area of the cross section of described hot melt variant part tapers into from bottom surface to top surface.
Alternatively, the first side of the plurality of hot melt variant part is inclined towards the described direction treating hot melt part position
Oblique first predetermined angular, the second side of the plurality of hot melt variant part vertically or treats hot melt part position towards described
The direction put tilts the second predetermined angular, and described first side treats hot melt described in deviating from hot melt variant part
The side of part position, described second side is just to the described side treating hot melt part position on hot melt variant part.
Alternatively, described first predetermined angular is less than the second predetermined angular.
Alternatively, the first predetermined angular is 60 ° to 75 °.
Alternatively, with described, the volume after the hot melt variant part hot melt of the plurality of hot molten column treats that hot melt part exists
The volume sum of the part on plane that the bottom surface of hot melt variant part is located is not less than for many described in hot melt
The volume of the recess of hot melt head of individual hot molten column.
An aspect of of the present present invention provides a kind of melt process, including：To treat that hot melt part is placed on above-mentioned heat
Treating on hot melt part position on molten body；Described hot melt body is placed in hot-melting fixture, and by fixed
Position block come the position to adjust described hot melt body make the position of multiple hot molten columns with one be used for many described in hot melt
The position of the hot melt head of individual hot molten column is corresponding；The hot melt parameter of setting hot-melting fixture；Heat according to setting
Molten parameter makes the plurality of hot molten column simultaneously to institute by described hot melt head come the plurality of hot molten column of hot melt
State and treat the deformation fusing of hot melt part position.
Alternatively, described hot melt parameter includes temperature parameter, the hot melt parameter of described setting hot-melting fixture
Step includes：Described temperature parameter is set and is 230 ° to 240 °.
Alternatively, described hot melt parameter includes pressure parameter, the hot melt parameter of described setting hot-melting fixture
Step includes：Arranging described pressure parameter is 6MPa.
Hot melt body according to an exemplary embodiment of the present invention and melt process, can achieve to variously-shaped
Treat the fixation of hot melt part, the yield of product is higher, and hot melt part need not be treated to carry out perforate, save
Die cost and manufacturing time cost.
Brief description
By the detailed description carrying out below in conjunction with the accompanying drawings, above and other objects of the present invention, feature and
Advantage will become apparent, wherein：
Fig. 1 illustrates hot melt body and the sectional view treating hot melt part before existing hot melt fixation；
Fig. 2 illustrates hot melt body and the sectional view treating hot melt part after existing hot melt fixation；
Fig. 3 illustrates the hot melt body before hot melt fixation according to an exemplary embodiment of the present invention and treats hot melt part
Sectional view；
Fig. 4 illustrates the hot melt body after hot melt fixation according to an exemplary embodiment of the present invention and treats hot melt part
Sectional view；
Fig. 5 illustrates the scale diagrams of hot melt variant part according to an exemplary embodiment of the present invention；
The flow chart that Fig. 6 illustrates melt process according to an exemplary embodiment of the present invention.
Specific embodiment
Now, it is more fully described different example embodiment with reference to the accompanying drawings, wherein, some are exemplary
Embodiment is shown in the drawings.
Fig. 3 illustrates the hot melt body before hot melt fixation according to an exemplary embodiment of the present invention and treats hot melt part
Sectional view.Here, described hot melt body 2 can be various electronic products (such as mobile terminal or flat
Plate computer etc.) in for housing housing or the miscellaneous part of various parts, described treat that hot melt part 1 is permissible
It is the various parts (for example, antenna etc.) needing to be fixed on hot melt body 2.Heat is treated shown in Fig. 3
The part that molten part 1 is bar-like, hot melt body according to an exemplary embodiment of the present invention and melt process are not
It is only limitted to the bar-shaped part of fixation, can be also used for the part of fixing other shapes.Section shown in Fig. 3
Figure is hot melt body 2 and treats hot melt part 1 along the section of the described bar-shaped cross-sectional direction treating hot melt part 1.
As shown in figure 1, hot melt body 2 according to an exemplary embodiment of the present invention has treats heat for setting
Molten part 1 treat hot melt part position, treat around hot melt part position, to be provided with multiple hot molten columns 3 described.
In the case that the shape of described hot melt part 1 is bar-like, the two of hot melt part position can be treated described
Side is provided with multiple hot molten columns 3.The feelings of the other shapes outside the shape of described hot melt part 1 is bar-like
Under condition, the described surrounding treating hot melt part position can be provided with multiple hot molten columns 3.The plurality of hot melt
Post 3 can be treated to be symmetrically arranged around hot melt part position described.
Fig. 4 illustrates the hot melt body after hot melt fixation according to an exemplary embodiment of the present invention and treats hot melt part
Sectional view.As shown in figure 4, in hot melt, a hot melt feverish sensation in the head in prior art can be different from and melts one
The mode of individual hot molten column 3, is suitable for using a size and shape (such as hemispherical or the cubic bodily form etc.)
The hot melt head 5 of the plurality of hot molten column of hot melt 3 carrys out the plurality of hot molten column of hot melt 3, makes to treat hot melt part 1
Multiple hot molten columns 3 of both sides or surrounding are integral to middle fusing, thus will treat that hot melt part 1 is solid securely
It is scheduled on hot melt body 2, the shape after the plurality of hot molten column 3 hot melt is consistent with the shape of hot melt head 5.
Referring again to Fig. 3, described hot molten column 3 may include hot melt variant part 6 and connect hot melt body 2 with
The non-hot melt variant part 5 of hot melt variant part 6.Described hot melt variant part 6 passes through described non-hot melt variant part 5
Indirectly it is connected with described hot melt body 2.Described hot melt variant part 6, non-hot melt variant part 5 and hot melt
Body 2 can be to be produced using integrally formed mode, it would however also be possible to employ the other modes of non-integral molding
To produce.The floor space of described hot melt variant part 6 is more than top area.
Preferably, the area of the cross section of described hot melt variant part 6 tapers into from bottom surface to top surface.This
Outward, in order in hot melt, the plurality of hot molten column 3 can be easier to gather to fuse together to centre,
It is pre- that the first side 8 of the plurality of hot melt variant part 6 tilts first towards the described direction treating hot melt part position
Determine angle, the second side 7 of the plurality of hot melt variant part 6 is vertically or towards described hot melt part position for the treatment of
Direction tilts the second predetermined angular, and described first side 8 treats hot melt described in deviating from hot melt variant part 6
The side of part position, described second side 7 is just to treat hot melt part position to described on hot melt variant part 6
Side.By the direction vertical with the side that first side 8 intersects with the top surface of hot melt variant part 6 and vertically
What direction was crossed to form carries out subdivision in the face of described hot melt variant part 6, and the section obtaining is an inequilateral
Trapezoidal.The section (described section) of hot melt variant part 6 as shown in Figure 3 is that an inequilateral is trapezoidal.
Preferably, described first predetermined angular is less than the second predetermined angular.First predetermined angular is preferably 60 ° extremely
75°.
In a preferred embodiment, the opposed facing second side 7 of the plurality of hot melt variant part 6
Vertically, the plurality of hot melt variant part 6 mutually deviates from first side 8 is towards described hot melt part position for the treatment of
Direction tilts the first predetermined angular, and described first predetermined angular is 60 ° to 75 °.Here, described heat
The shape of molten post 3 can be a cuboid or a cylinder is treated hot melt part position from top surface along towards described
The direction put tilts the shape being formed after the tangential bottom surface in direction of the first predetermined angular.
In order that the plurality of hot molten column 3 can preferably fuse together, can be by described hot melt variant part
6 bottom surface is set to less than of the prior art, and the top surface of hot melt variant part 6 is set to compare prior art
In big.For example, the width in the section of the hot melt variant part 6 in Fig. 3 can be set to compare prior art
In little, be highly set to bigger than of the prior art.
Further, since before the volume (i.e. glue amount) of the hot melt variant part 6 after hot melt can be slightly less than hot melt
The volume of hot melt variant part 6, in order to ensure that the hot melt variant part 6 after hot melt treats hot melt part described in covering
1, and ensure to cover and have certain thickness in the glue measurer of the hot melt variant part 6 treating hot melt part 1, can be by
Hot melt variant part 6 is sized to meet some requirements.
Preferably, described hot melt variant part 6 can be sized to meet the plurality of hot molten column 3
Volume after hot melt variant part 6 hot melt treats what hot melt part 1 was located in the bottom surface of hot melt variant part 6 with described
The volume sum of the part on plane is not less than the hot melt head 4 for the plurality of hot molten column of hot melt 3
The volume of recess.
Fig. 5 illustrates the scale diagrams of hot melt variant part according to an exemplary embodiment of the present invention.In Fig. 5
That treats hot melt part is shaped as cylinder, treats a diameter of D of the bottom surface of hot melt part 1, the quantity of hot molten column 3
For 2, the shape of hot melt variant part is that a cuboid is treated hot melt part position from top surface along towards described
Direction tilts the shape being formed after the tangential bottom surface in direction of the first predetermined angular, the length of hot melt variant part
Treat that the length of hot melt part is identical with described, the height of hot melt variant part is L, the bottom surface width of hot melt variant part
Spend for W2, top surface width is W1, for the shape of the recess of the hot melt head of 2 hot molten columns described in hot melt
For hemispherical, described hemispheric radius isThe size in described deformation hot melt portion need to meet such as the following
Formula：
Wherein, N is the PUR amount loss coefficient of hot molten column 3.
The flow chart that Fig. 6 illustrates melt process according to an exemplary embodiment of the present invention.Can be by described heat
Melting method, will treat that hot melt part is fixed on above-mentioned hot melt body.
With reference to Fig. 6, in step S10, treat hot melt part position by treating that hot melt part is placed on above-mentioned hot melt body
Put.
In step S20, described hot melt body is placed in hot-melting fixture, and is adjusted by locating piece
The position of described hot melt body makes the position of multiple hot molten columns be used for the plurality of hot molten column of hot melt with one
The position of hot melt head is corresponding.Here, it is different from a hot melt feverish sensation in the head in prior art and melt a hot molten column
Mode, using a size and shape (for example, hemispherical, cubic bodily form) be suitable for hot melt described in many
The hot melt head of individual hot molten column carrys out the multiple hot molten column of hot melt.
In step S30, the hot melt parameter of hot-melting fixture is set.Here, described hot melt parameter may include temperature
Parameter, can arrange described temperature parameter and be 230 ° to 240 °.Described hot melt parameter may also include pressure ginseng
Number, can arrange described pressure parameter is 6MPa.Due to melt process according to an exemplary embodiment of the present invention
In a hot melt head need the multiple hot molten column of hot melt, can arrange temperature parameter must be higher than of the prior art
Pressure parameter, so that hot molten column is more easy to melt, also can be arranged larger than of the prior art by some,
So that hot molten column is more easy to gather to centre.
In step S40, according to the hot melt parameter arranging by described hot melt head come the plurality of hot melt of hot melt
Post, makes the plurality of hot molten column treat the deformation fusing of hot melt part position to described simultaneously.
Hot melt body according to an exemplary embodiment of the present invention and melt process, can achieve to variously-shaped
Treat the fixation of hot melt part, the yield of product is higher, and hot melt part need not be treated to carry out perforate, save
Die cost and manufacturing time cost.
Although being particularly shown and describe the present invention with reference to its exemplary embodiment, this area
It is to be understood by the skilled artisans that the situation in the spirit and scope of the present invention being limited without departing from claim
Under, can be so that it be carried out with the various changes in form and details.
Claims (10)
1. a kind of hot melt body treats hot melt part it is characterised in that having on this hot melt body for setting
Treat hot melt part position, treat to be provided with multiple hot molten columns around hot melt part position described.
2. hot melt body according to claim 1 is it is characterised in that described hot molten column includes hot melt
Variant part and the non-hot melt variant part connecting hot melt body and hot melt variant part, the bottom of described hot melt variant part
Area is more than top area.
3. hot melt body according to claim 2 is it is characterised in that the horizontal stroke of described hot melt variant part
The area in section tapers into from bottom surface to top surface.
4. hot melt body according to claim 3 is it is characterised in that the plurality of hot melt variant part
First side tilt the first predetermined angular towards the described direction treating hot melt part position, the plurality of hot melt becomes
The second side in shape portion vertically or towards the described direction treating hot melt part position tilts the second predetermined angular, described
First side treats the side of hot melt part position described in deviating from hot melt variant part, and described second side is heat
Just to the described side treating hot melt part position on molten variant part.
5. hot melt body according to claim 4 is it is characterised in that described first predetermined angular is little
In the second predetermined angular.
6. the hot melt body stated according to claim 4 is it is characterised in that the first predetermined angular is 60 °
To 75 °.
7. hot melt body according to claim 1 is it is characterised in that the warm of the plurality of hot molten column
Volume after molten variant part hot melt treats hot melt part on the plane that the bottom surface of hot melt variant part is located with described
Part volume sum be not less than for the plurality of hot molten column of hot melt hot melt head recess appearance
Long-pending.
8. a kind of melt process is it is characterised in that include：
To treat that hot melt part is placed on according to treating hot melt on the arbitrary described hot melt body of claim 1 to 7
On part position；
Described hot melt body is placed in hot-melting fixture, and adjusts described hot melt body by locating piece
Position make the position of hot melt head that the position of multiple hot molten columns is used for the plurality of hot molten column of hot melt with one
Corresponding；
The hot melt parameter of setting hot-melting fixture；
According to the hot melt parameter arranging by described hot melt head come the plurality of hot molten column of hot melt, make described many
Individual hot molten column treats the deformation fusing of hot melt part position to described simultaneously.
9. melt process according to claim 8 is it is characterised in that described hot melt parameter includes temperature
Degree parameter, the step of the hot melt parameter of described setting hot-melting fixture includes：Arranging described temperature parameter is
230 ° to 240 °.
10. melt process according to claim 8 is it is characterised in that described hot melt parameter includes
Pressure parameter, the step of the hot melt parameter of described setting hot-melting fixture includes：Arranging described pressure parameter is
6MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510484170.6A CN106426957A (en) | 2015-08-07 | 2015-08-07 | Hot melting body and hot melting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510484170.6A CN106426957A (en) | 2015-08-07 | 2015-08-07 | Hot melting body and hot melting method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106426957A true CN106426957A (en) | 2017-02-22 |
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ID=58092401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510484170.6A Pending CN106426957A (en) | 2015-08-07 | 2015-08-07 | Hot melting body and hot melting method |
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| Country | Link |
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| CN (1) | CN106426957A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2905417Y (en) * | 2006-04-27 | 2007-05-30 | 汉达精密电子(昆山)有限公司 | Hot melt fixture |
| CN201018719Y (en) * | 2007-03-26 | 2008-02-06 | 英业达股份有限公司 | Hot melt fixing structure |
| CN101905534A (en) * | 2009-06-08 | 2010-12-08 | 纬创资通股份有限公司 | Electronic device and hot melting fixing structure thereof |
-
2015
- 2015-08-07 CN CN201510484170.6A patent/CN106426957A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2905417Y (en) * | 2006-04-27 | 2007-05-30 | 汉达精密电子(昆山)有限公司 | Hot melt fixture |
| CN201018719Y (en) * | 2007-03-26 | 2008-02-06 | 英业达股份有限公司 | Hot melt fixing structure |
| CN101905534A (en) * | 2009-06-08 | 2010-12-08 | 纬创资通股份有限公司 | Electronic device and hot melting fixing structure thereof |
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Application publication date: 20170222 |