CN216161626U - Film button installation fixed equipment - Google Patents
Film button installation fixed equipment Download PDFInfo
- Publication number
- CN216161626U CN216161626U CN202121491697.9U CN202121491697U CN216161626U CN 216161626 U CN216161626 U CN 216161626U CN 202121491697 U CN202121491697 U CN 202121491697U CN 216161626 U CN216161626 U CN 216161626U
- Authority
- CN
- China
- Prior art keywords
- mould
- connecting plate
- head tank
- constant head
- negative pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 title claims abstract description 12
- 238000010521 absorption reaction Methods 0.000 claims abstract description 5
- 239000000758 substrate Substances 0.000 claims description 14
- 239000012528 membrane Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 27
- 238000001179 sorption measurement Methods 0.000 description 8
- 239000002184 metal Substances 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Push-Button Switches (AREA)
Abstract
A film key installation and fixing device relates to the technical field of film key installation. Go up mould and lower mould and pass through hinge swing joint, go up the appearance structure of mould and lower mould and be square structure, upward seted up the constant head tank on the mould, installed the connecting plate in the constant head tank, the inboard of connecting plate is connected with last mould through expanding spring, the array is provided with a plurality of and adsorbs the hole on the connecting plate, is formed with the absorption chamber between connecting plate and the last mould, is provided with the mounting groove on the lower mould, constant head tank and the corresponding butt that matches of mounting groove. Carry out the position with the PCB base plate through the mounting groove of lower mould and fix, then carry out the constant head tank with the film button through last mould and put spacing and make it can not drop under the effect of absorption hole simultaneously, finally accomplish pasting of film button standard on the corresponding base plate of PCB through the mutual extrusion of last mould and lower mould, ensure that the film button can not produce crooked phenomenon in the installation, once install qualified, whole practicality is strong, has great market spreading value.
Description
Technical Field
The utility model relates to the technical field of thin film key installation, in particular to thin film key installation and fixing equipment.
Background
The membrane key (Metal dome array) is a PET thin sheet (including Metal spring pieces also called Metal dome sheets) with contacts, is used as a switch on circuit boards such as PCBs, FPCs and the like, and plays an important role of a touch switch between a user and an instrument. Compared with the traditional silica gel key, the thin film key has better hand feeling and longer service life, and can indirectly improve the production efficiency of various switches using the conductive film. The contact on the film key is positioned at the conductive part (mostly above the golden finger on the circuit board) on the PCB, when the key is pressed by external force, the central point of the contact is concave and contacts with the circuit on the PCB, thereby forming a loop, the current passes through, and the whole product can work normally.
General film button all relies on feeling to paste when pasting with PCB, FPC and pastes the dress, consequently can incline film button panel installation often, need tear again and paste the dress, but the dress that tears many times relapse makes the panel warp easily, leads to the outward appearance to go wrong, seriously influences the use experience of product.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects and shortcomings of the prior art, and provides a film key installation and fixing device to solve the problems in the background art.
In order to achieve the purpose, the utility model adopts the following technical scheme: it contains mould 1, lower mould 2, connecting plate 3, it passes through hinge 11 swing joint with lower mould 2 to go up mould 1, the appearance structure of going up mould 1 and lower mould 2 is square structure, go up and seted up constant head tank 12 on the mould 1, install connecting plate 3 in the constant head tank 12, the inboard of connecting plate 3 is connected with last mould 1 through expanding spring 31, the array is provided with a plurality of and adsorbs hole 32 on the connecting plate 3, be formed with between connecting plate 3 and the last mould 1 and adsorb chamber 33, be provided with mounting groove 21 on the lower mould 2, constant head tank 12 matches the butt with mounting groove 21 is corresponding.
The positioning groove 12 is internally provided with a film key 13, and the mounting groove 21 is internally provided with a PCB substrate 22.
The upper die 1 is provided with a negative pressure pipe 14, the negative pressure pipe 14 penetrates through the upper die 1 to be communicated with the adsorption cavity 33, an operating rod 15 is arranged outside the negative pressure pipe 14, and the operating rod 15 penetrates through the negative pressure pipe 14 and is internally connected with a ring piece 16.
A handle 17 is arranged on the side of the negative pressure pipe 14.
The working principle of the utility model is as follows: when in use, the negative pressure pipe 14 is externally connected with a negative pressure air source, then the PCB substrate 22 is arranged in the mounting groove 21 according to the confirmed direction, meanwhile, the film key 13 is arranged in the positioning groove 12 according to the confirmed direction, the film key 13 is adsorbed and fixed in the positioning groove 12 under the negative pressure action of the adsorption hole 32, the upper die 1 and the lower die 2 are closed by the handle 17 after the film key 13 and the PCB substrate 22 are installed, at the moment, the film key 13 and the PCB substrate 22 are completely abutted together, then the ring piece 16 is controlled by the operating rod 15 to temporarily close the negative pressure in the negative pressure pipe 14, meanwhile, the upper die 1 is pressed, so that the connecting plate 3 realizes reciprocating elastic pressure under the action of the extension spring 31, so that the film keys 13 and the PCB substrate 22 can be better bonded, and simultaneously the film keys are ensured not to be crushed by excessive force, after the pressure is continued for a while, the upper mold 1 is opened, and the mounted PCB substrate 22 is taken out.
After the technical scheme is adopted, the utility model has the beneficial effects that: carry out the position with the PCB base plate through the mounting groove of lower mould and fix, then carry out the constant head tank with the film button through last mould and put spacing and make it can not drop under the effect of absorption hole simultaneously, finally accomplish pasting of film button standard on the corresponding base plate of PCB through the mutual extrusion of last mould and lower mould, ensure that the film button can not produce crooked phenomenon in the installation, once install qualified, whole practicality is strong, has great market spreading value.
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, and 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 these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure of the upper mold 1 and the connecting plate 3 according to the present invention;
fig. 3 is a schematic top view of the upper mold 1 according to the present invention.
Description of reference numerals: the device comprises an upper die 1, a hinge 11, a positioning groove 12, a film key 13, a negative pressure pipe 14, an operating rod 15, a ring piece 16, a handle 17, a lower die 2, a mounting groove 21, a PCB substrate 22, a connecting plate 3, a telescopic spring 31, an adsorption hole 32 and an adsorption cavity 33.
Detailed Description
Referring to fig. 1 to fig. 3, the technical solution adopted by the present embodiment is: it comprises an upper die 1, a lower die 2 and a connecting plate 3, wherein the upper die 1 and the lower die 2 are movably connected through a hinge 11, the appearance structure of the upper die 1 and the lower die 2 is a square structure, a positioning groove 12 is arranged on the upper die 1, the connecting plate 3 is installed in the positioning groove 12, the inner side of the connecting plate 3 is connected with the upper die 1 through a telescopic spring 31, a plurality of adsorption holes 32 are arranged on the connecting plate 3 in an array manner, an adsorption cavity 33 is formed between the connecting plate 3 and the upper die 1, a mounting groove 21 is arranged on the lower die 2, the positioning groove 12 is correspondingly matched and abutted with the mounting groove 21, a film key 13 is installed in the positioning groove 12, a PCB substrate 22 is installed in the mounting groove 21, a negative pressure pipe 14 is installed on the upper die 1, the negative pressure pipe 14 penetrates through the upper die 1 to be communicated with the adsorption cavity 33, an operating rod 15 is arranged outside the negative pressure pipe 14, a ring 16 is connected in the operating rod 15 penetrates through the negative pressure pipe 14, a handle 17 is installed on the side edge of the negative pressure pipe 14, the upper die 1 can be conveniently turned over.
The working principle of the utility model is as follows: when in use, the negative pressure pipe 14 is externally connected with a negative pressure air source, then the PCB substrate 22 is arranged in the mounting groove 21 according to the confirmed direction, meanwhile, the film key 13 is arranged in the positioning groove 12 according to the confirmed direction, the film key 13 is adsorbed and fixed in the positioning groove 12 under the negative pressure action of the adsorption hole 32, the upper die 1 and the lower die 2 are closed by the handle 17 after the film key 13 and the PCB substrate 22 are installed, at the moment, the film key 13 and the PCB substrate 22 are completely abutted together, then the ring piece 16 is controlled by the operating rod 15 to temporarily close the negative pressure in the negative pressure pipe 14, meanwhile, the upper die 1 is pressed, so that the connecting plate 3 realizes reciprocating elastic pressure under the action of the extension spring 31, so that the film keys 13 and the PCB substrate 22 can be better bonded, and simultaneously the film keys are ensured not to be crushed by excessive force, after the pressure is continued for a while, the upper mold 1 is opened, and the mounted PCB substrate 22 is taken out.
After the technical scheme is adopted, the utility model has the beneficial effects that: carry out the position with the PCB base plate through the mounting groove of lower mould and fix, then carry out the constant head tank with the film button through last mould and put spacing and make it can not drop under the effect of absorption hole simultaneously, finally accomplish pasting of film button standard on the corresponding base plate of PCB through the mutual extrusion of last mould and lower mould, ensure that the film button can not produce crooked phenomenon in the installation, once install qualified, whole practicality is strong, has great market spreading value.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (4)
1. The utility model provides a film button installation fixed equipment which characterized in that: it contains mould (1), lower mould (2), connecting plate (3), go up mould (1) and lower mould (2) through hinge (11) swing joint, the appearance structure of going up mould (1) and lower mould (2) is square structure, constant head tank (12) have been seted up on going up mould (1), install connecting plate (3) in constant head tank (12), the inboard of connecting plate (3) is connected with last mould (1) through expanding spring (31), the array is provided with a plurality of and adsorbs hole (32) on connecting plate (3), be formed with between connecting plate (3) and last mould (1) and adsorb chamber (33), be provided with mounting groove (21) on lower mould (2), constant head tank (12) and the corresponding butt that matches of mounting groove (21).
2. The membrane key mounting and fixing device of claim 1, wherein: the locating groove (12) is internally provided with a film key (13), and the mounting groove (21) is internally provided with a PCB substrate (22).
3. The membrane key mounting and fixing device of claim 1, wherein: go up mould (1) on install negative pressure pipe (14), negative pressure pipe (14) pass and go up mould (1) and are linked together with absorption chamber (33), negative pressure pipe (14) outside has action bars (15), action bars (15) pass negative pressure pipe (14) and have connect ring piece (16) in.
4. A membrane key mounting fixture according to claim 3 wherein: the side of the negative pressure pipe (14) is provided with a handle (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121491697.9U CN216161626U (en) | 2021-07-02 | 2021-07-02 | Film button installation fixed equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121491697.9U CN216161626U (en) | 2021-07-02 | 2021-07-02 | Film button installation fixed equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216161626U true CN216161626U (en) | 2022-04-01 |
Family
ID=80835968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121491697.9U Expired - Fee Related CN216161626U (en) | 2021-07-02 | 2021-07-02 | Film button installation fixed equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216161626U (en) |
-
2021
- 2021-07-02 CN CN202121491697.9U patent/CN216161626U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220401 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |