CN2779443Y - Thermal compression bond equipment - Google Patents
Thermal compression bond equipment Download PDFInfo
- Publication number
- CN2779443Y CN2779443Y CN 200520055444 CN200520055444U CN2779443Y CN 2779443 Y CN2779443 Y CN 2779443Y CN 200520055444 CN200520055444 CN 200520055444 CN 200520055444 U CN200520055444 U CN 200520055444U CN 2779443 Y CN2779443 Y CN 2779443Y
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- China
- Prior art keywords
- cylinder
- gas
- source
- welding equipment
- pressure welding
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- Expired - Fee Related
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Abstract
The utility model relates to a heat pressing connecting device, which overcomes the problem that an existing heat compression joint device can not raise a pressing joint possibly. The heat pressing connecting device comprises a pressing head device, a first cylinder and a reaction device, wherein the pressing head device is connected with the first cylinder and is driven by the first cylinder, and the reaction device is connected with the pressing head device and always provides an upward reacting force which is equal to the weight of the pressing head device. The heat pressing connecting device can still raise the pressing head device when elements which are to be pressed and connected are pressed by smaller pressure.
Description
[technical field]
The utility model is the thermal pressure welding equipment about a kind of LCD.
[background technology]
Liquid crystal panel comprises two transparency carriers being oppositely arranged, is enclosed in the liquid crystal in these two formed gaps of transparency carrier.In order to pass through visual informations such as this liquid crystal panel display text, pattern, a plurality of contact conductors that must will be formed on one of transparency carrier carry out and can be connected conductively with the electron device IC that liquid crystal drive is used.
A kind of prior art IC and liquid crystal panel electrode lead-in wire is conducted electricity ways of connecting as shown in Figure 1, this kind syndeton 1 comprises IC11, liquid crystal panel 12 and ACF (Anisotropic Conductive Film, aeolotropic conductive film) 13.The forming process of this syndeton 1 comprises: one section ACF13 is attached on the contact conductor 121 of liquid crystal panel 12; Behind the conductive projection (Bump) 111 and contact conductor 121 accurate contrapositions with IC11, be pressed together on the ACF13, the pressing of this moment is referred to as false the pressure because not with conductive projection 111 and contact conductor 121 conductings by industry; Again IC11 is applied suitable pressure, make that the conducting particles 131 between conductive projection 111 and contact conductor 121 is out of shape, thus conducting conductive projection 111 and contact conductor 121, and the pressing of this moment is referred to as this pressure by industry.This kind conducts electricity the technology that is connected with IC11 and liquid crystal panel electrode lead-in wire 121 and in the industry cycle is referred to as COG (Chip On Glass) technology.
Vacation in the above-mentioned connected mode presses process and this pressure process need use on the contact conductor that thermal pressure welding equipment accurately is pressed together on IC liquid crystal panel usually and after finishing pressing this crimp head 29 is lifted.
A kind of thermal pressure welding equipment of prior art as shown in Figure 2, this thermal pressure welding equipment 2 comprises a cylinder 21, a crimp head 29 and a well heater 28.This well heater 28 is used for fixing this crimp head 29 and to its heating.After the IC of crimping was treated in these crimp head 29 absorption, this cylinder 21 drove this crimp head 29 and moves up and down, so that IC is pressed together on the contact conductor of liquid crystal panel.
The cylinder 21 of this thermal pressure welding equipment 2 comprises a piston 22 and an axostylus axostyle 23.This axostylus axostyle 23 is connected with this well heater 28, and a source of the gas 27 is connected with two tracheaes 24,25 by a solenoid valve 26, the top conducting of this tracheae 24 and cylinder 21, the below conducting of this tracheae 25 and cylinder 21.When solenoid valve 26 during with source of the gas 27 and tracheae 24 conductings, the gas with certain pressure enters in the cavity of cylinder 21 tops, and the pressure of this gas acts on the piston 22, and then drives this piston 22 and crimp head 29 moves down, and realizes the pressing action.After pressing is finished, this solenoid valve 26 is with source of the gas 27 and tracheae 25 conductings, gas with certain pressure enters in the cavity of cylinder 21 belows, the pressure of this gas acts on the piston 22, and then drive this piston 22 and crimp head 29 moves up, crimp head 29 is lifted, to leave the liquid crystal panel that pressing is finished.
Because this solenoid valve 26 only plays the effect of gas circuit conversion, it is identical that above-mentioned source of the gas 27 is supplied to the pressure of the tracheae 24 and the gas of tracheae 25, when the element for the treatment of crimping less, in the time of need applying less pressure, because effect in the time of crimp head 29 and well heater 28 self gravitations, the less gaseous tension of these source of the gas 27 supplies can be finished the pressing action by drive pressure joint 29.Yet, when after finishing the pressing action, needing to be lifted away from crimp head 29, because the gaseous tension of being supplied is less, the acting force that makes progress that this gas produces piston 22 might be less than the gravity of crimp head 29 and well heater 28 self, at this moment, this thermal pressure welding equipment 2 will produce the phenomenon that can not lift crimp head 29.
[utility model content]
For the problem of crimp head might appear lifting in the thermal pressure welding equipment that overcomes prior art, the utility model provides a kind of thermal pressure welding equipment that can lift crimp head freely.
The technical scheme that the utility model technical solution problem is adopted is: a kind of thermal pressure welding equipment is provided, it comprises an indenter device, one first cylinder and a reaction device, this indenter device is connected with this first cylinder and by this air cylinder driven, this reaction device is connected with this indenter device, and it provides the acting force that make progress equal with the gravity of this indenter device all the time.
Compared to prior art, because thermal pressure welding equipment of the present utility model has a reaction device that is connected with indenter device, this reaction device acting force that makes progress that equates with gravity this indenter device that provide has been equivalent to cancel the weight of indenter device, thereby can in operating process the phenomenon of indenter device not appear not lift because of the action of gravity of indenter device weight.
[description of drawings]
Fig. 1 is a kind of diagrammatic cross-section of the structure that drive IC and liquid crystal panel are electrically connected in the COG mode of prior art.
Fig. 2 is a kind of floor map of thermal pressure welding equipment of prior art.
Fig. 3 is the floor map of first kind of embodiment of thermal pressure welding equipment of the present utility model.
Fig. 4 is the floor map of second kind of embodiment of thermal pressure welding equipment of the present utility model.
[embodiment]
With reference to shown in Figure 3, be the floor map of first kind of embodiment of the utility model thermal pressure welding equipment.This thermal pressure welding equipment 3 comprises one first cylinder 31, one second cylinder 33, a well heater 38 and a crimp head 39.
This first cylinder 31 comprises a piston 311 and an axostylus axostyle 312, this second cylinder 33 comprises a piston 331 and an axostylus axostyle 332, this axostylus axostyle 312 and axostylus axostyle 332 are coaxial and link together, and this axostylus axostyle 332 is connected with this well heater 38, and this crimp head 39 is fixed on this well heater 38.One first source of the gas 317 is connected with two tracheaes 313,314 by a tracheae 316, a solenoid valve 315.One pressure regulator valve 318 is set on this tracheae 316.This tracheae 313 connects the top of this solenoid valve 315 and this cylinder 31, and this tracheae 314 connects the below of this solenoid valve 315 and this cylinder 31.One second source of the gas 334 is by the below conducting of a tracheae 333 and this second cylinder 33, one accurate voltage regulating valve 335 is set on this tracheae 333, the gas that this second source of the gas 334 provides is adjusted to suitable pressure by accurate voltage regulating valve 335, this suitable pressure acts on this piston 331, and the acting force that makes progress that this piston 331 is produced equals the gravity of this well heater 38 and this crimp head 39.
When solenoid valve 315 during with source of the gas 317 and tracheae 313 conductings, the gas with certain pressure enters in the cavity of cylinder 31 tops, and the pressure of this gas acts on the piston 311, and then drives this piston 311 and crimp head 39 moves down, and realizes the pressing action.After pressing is finished, this solenoid valve 315 is with source of the gas 317 and tracheae 314 conductings, gas with certain pressure enters in the cavity of cylinder 31 belows, the pressure of this gas acts on the piston 311, because the gravity of this well heater 38 and this crimp head 39 is offset by the acting force that makes progress that the piston 331 of second cylinder 33 is produced, even the strength that acts on the piston 311 is very little, also can drive this well heater 38 and crimp head 39 and move up, crimp head 39 is lifted away from the liquid crystal panel that pressing is finished.
With reference to shown in Figure 4, be the floor map of second kind of embodiment of the utility model thermal pressure welding equipment.This thermal pressure welding equipment 4 comprises one first cylinder 41, one second cylinder 43, a well heater 48 and a crimp head 49.
This first cylinder 41 comprises a piston 411 and an axostylus axostyle 412, and this second cylinder 43 comprises a piston 431 and an axostylus axostyle 432.This first cylinder 41 and second gas 43 are two cylinders of effect separately, and wherein, this axostylus axostyle 412 is connected with this well heater 48, and this crimp head 49 is fixed on this well heater 48, and this axostylus axostyle 432 also is connected with this well heater 48.One first source of the gas 417 is connected with two tracheaes 413,414 by a tracheae 416, a solenoid valve 415.One pressure regulator valve 418 is set on this tracheae 416.This tracheae 413 connects the top of this solenoid valve 415 and this cylinder 41, and this tracheae 414 connects the below of this solenoid valve 415 and this cylinder 41.One second source of the gas 434 is by the below conducting of a tracheae 433 and this second gas 43, one accurate voltage regulating valve 435 is set on this tracheae 433, the gas that this second source of the gas 434 provides is adjusted to suitable pressure by accurate voltage regulating valve 435, the gaseous tension that this second source of the gas 434 provides finally acts on this piston 431, and the acting force that makes progress that this piston 431 is produced equals the gravity of this well heater 48 and this crimp head 49.
When solenoid valve 415 during with source of the gas 417 and tracheae 413 conductings, the gas with certain pressure enters in the cavity of cylinder 41 tops, and the pressure of this gas acts on the piston 411, and then drives this piston 411 and crimp head 49 moves down, and realizes the pressing action.After pressing is finished, this solenoid valve 415 is with source of the gas 417 and tracheae 414 conductings, gas with certain pressure enters in the cavity of gas 41 belows, the pressure of this gas acts on the piston 411, because the gravity of this well heater 48 and this crimp head 49 is offset by the acting force that makes progress that the piston 431 of second cylinder 43 is produced, even the strength that acts on the piston 411 is very little, also can drive this well heater 48 and crimp head 49 and move up, crimp head 49 is lifted away from the liquid crystal panel that pressing is finished.
Above-mentioned solenoid valve the 315, the 415th, two-position three way magnetic valve.
Above-mentioned well heater and crimp head are formed the indenter device of the utility model thermal pressure welding equipment, but this indenter device can also comprise other elements, as the screw that connects well heater and crimp head etc., at this moment, the gaseous tension that provided of above-mentioned second cylinder promptly should be considered the weight of this screw.
Claims (8)
1. thermal pressure welding equipment, it comprises an indenter device and one first cylinder, this indenter device is connected with this first cylinder and by this air cylinder driven, it is characterized in that: this thermal pressure welding equipment further comprises a reaction device, this reaction device is connected with this indenter device, and it provides the acting force that make progress equal with the gravity of this indenter device all the time.
2. thermal pressure welding equipment as claimed in claim 1 is characterized in that: this indenter device comprises a crimp head and a well heater, and this crimp head is fixed on this well heater.
3. thermal pressure welding equipment as claimed in claim 1 is characterized in that: this reaction device is one second cylinder, and this second cylinder is arranged on this first cylinder below, and the axostylus axostyle of this first cylinder and second cylinder is coaxial and link together.
4. thermal pressure welding equipment as claimed in claim 3, it is characterized in that: this first cylinder is connected with one first source of the gas, this first source of the gas offers upwards acting force and the downward acting force that this first cylinder replaces, this second cylinder is connected with one second source of the gas, and this second source of the gas offers the acting force that this second cylinder makes progress.
5. thermal pressure welding equipment as claimed in claim 4 is characterized in that: an accurate voltage regulating valve is set between this second source of the gas and second cylinder.
6. thermal pressure welding equipment as claimed in claim 1 is characterized in that: this reaction device is one second cylinder, and this second cylinder and this first cylinder are two cylinders of effect separately, and its axostylus axostyle is coaxial not on same axis.
7. thermal pressure welding equipment as claimed in claim 6, it is characterized in that: this first cylinder is connected with one first source of the gas, this first source of the gas offers upwards acting force and the downward acting force that this first cylinder replaces, this second cylinder is connected with one second source of the gas, and this second source of the gas offers the acting force that this second cylinder makes progress.
8. thermal pressure welding equipment as claimed in claim 7 is characterized in that: an accurate voltage regulating valve is set between this second source of the gas and second cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520055444 CN2779443Y (en) | 2005-03-11 | 2005-03-11 | Thermal compression bond equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520055444 CN2779443Y (en) | 2005-03-11 | 2005-03-11 | Thermal compression bond equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2779443Y true CN2779443Y (en) | 2006-05-10 |
Family
ID=36753531
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520055444 Expired - Fee Related CN2779443Y (en) | 2005-03-11 | 2005-03-11 | Thermal compression bond equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2779443Y (en) |
-
2005
- 2005-03-11 CN CN 200520055444 patent/CN2779443Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060510 Termination date: 20110311 |