CN201921804U - High-pressure gas driven glue injector - Google Patents
High-pressure gas driven glue injector Download PDFInfo
- Publication number
- CN201921804U CN201921804U CN2010206877616U CN201020687761U CN201921804U CN 201921804 U CN201921804 U CN 201921804U CN 2010206877616 U CN2010206877616 U CN 2010206877616U CN 201020687761 U CN201020687761 U CN 201020687761U CN 201921804 U CN201921804 U CN 201921804U
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- valve body
- nozzle needle
- piston
- driving mechanism
- nozzle
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Abstract
The utility model relates to a high-pressure gas driven glue injector, which comprises a valve, a driving mechanism and an injection mechanism. The valve consists of a middle valve part, an upper valve part and a lower valve part while the upper end and the lower end of the middle valve part are fixedly connected with the upper valve part and the lower valve part respectively, the driving mechanism disposed in an inner cavity formed between the middle valve part and the upper valve part is a pneumatic piston type driving mechanism, the injection mechanism which is an injection needle extrusion type injection mechanism is connected to the lower end of the lower valve part, a piston rod in the pneumatic piston type driving mechanism directly forms an injection needle in the injection needle extrusion type injection mechanism. The high-pressure gas driven glue injector is simple in structure, convenient in use, small in injection volume, high in injection speed and the like, and is especially applicable to fluid dispensing technique in the electronic packaging field.
Description
Technical field
The utility model relates to a kind of glue solution injector of drive of high-pressure gas.It can produce high-frequency, high-precision some spray effect, is applicable to the microelectronics Packaging field.
Background technology
The Electronic Packaging technology is an important component part of current semiconductor manufacturing industry, and the glue distribution technique is one of key technology in the Electronic Packaging, is widely used in the technologies such as chip attachment, chip coating, heat conductive silica gel filling, chip and substrate interconnection.The glue distribution technique has mainly experienced following developing stage: a large amount of formula cloth glue (mass dispensing), contact point glue (contact dispensing), contactless glue (non-contact dispensing).Typical technology mainly contains serigraphy and pin transfer type point glue in wherein a large amount of formula cloth glue, and these two kinds spot gluing equipment is simple in structure and cost is low, because glue point volume can not get accurate control, its glue point uniformity is inhomogeneous.To be dispensing needle head with glue extrude contact point glue forms contacting of glue point and substrate, stay for some time and make glue soak into substrate, Glue dripping head moves upward then, because the wetting power of glue and substrate is greater than the wetting power of glue and syringe needle, glue separates a glue process of finishing with dispensing needle head; Typical technology is free/pressure-type, screw pump formula, piston type point glue.Glue dripping head does not contact and leaves big distance in contactless the glue (claiming spray site glue again) with substrate, and dispensing needle head does not have motion in a glue action, thereby has shortened the some glue cycle greatly, has improved some glue speed.The main external agency that relies on is ejected on the substrate it for bigger momentum of glue at a relatively high speed from nozzle.Typical technology has mechanical nozzle needle formula spray site glue, and the type of drive of nozzle needle comprises solenoid actuated, Piezoelectric Ceramic and membrane pump driving etc.Contactless glue becomes the glue distribution technique of Electronic Packaging industry main flow gradually, has characteristics such as precision height, speed are fast, micro-volume.
At present, no matter the mechanical type spraying spot gluing equipment is to adopt solenoid actuated, piezoelectric ceramics or membrane pump to drive, all have several problems: one, the nozzle needle movement travel is restricted, the movement travel of above-mentioned several driving nozzle needle is all less, do not have enough Momentum Transfer to give glue, cause occurring hangover, backflow phenomenon; Two, stroke or backhaul need spring mechanism, and the spring response time is oversize, causes injection frequency low excessively.
The utility model content
The purpose of this utility model be to overcome prior art not enough and propose a kind of simple in structure, injection frequency is high, the glue solution injector of the drive of high-pressure gas of long service life.
For achieving the above object, the utility model adopts following technical proposals:
A kind of glue solution injector of drive of high-pressure gas comprises valve body, driving mechanism and injection equipment, it is characterized in that: described valve body is made of fixedly connected respectively upper valve body of the upper and lower side of middle valve body and following valve body; Settle described driving mechanism in the inner chamber that forms between valve body and upper valve body in described, this driving mechanism is the Pneumatic piston driving mechanism; Connect described injection equipment in the described lower end of valve body down, this injection equipment is a nozzle needle squash type injection equipment; Piston rod in the described Pneumatic piston driving mechanism directly constitutes the nozzle needle in the described nozzle needle squash type injection equipment (2).
The structure of described Pneumatic piston driving mechanism is: the inner chamber that forms between valve body and upper valve body in described constitutes cylinder, in this cylinder, settle piston, this piston is fixedlyed connected with described nozzle needle, air inlet is communicated with the cylinder upper chamber above the described piston on having on described upper valve body, has following air inlet to be communicated with cylinder lower chambers below the described piston in described on the sidewall of valve body.
Be embedded with the O RunddichtringO on the cylindrical that described piston and cylinder inner wall cunning are joined, there are the shaft shoulder and screw thread in described nozzle needle upper end, make by nut that piston is fastening to be resisted against on the shaft shoulder, and be embedded with the O RunddichtringO, realize being sealedly and fixedly connected between piston and nozzle needle at piston inner hole and nozzle needle coupling place; A positive stop is fixed by screw in the end in described cylinder.
Described nozzle needle squash type injection equipment comprises and compresses a set of cups, nozzle needle pedestal, nozzle and heating core, the described a set of cups that compresses is fixed in the lower end of valve body down by screw, thereby nozzle and nozzle needle pedestal are pressed on down in the valve body lower end endoporus, described nozzle needle lower end body spherical in shape is joined with following valve body lower end endoporus cunning, make and form the extruding spray chamber between nozzle needle lower end spherical and the nozzle needle pedestal, the nozzle needle pedestal has centre bore to be communicated with the spout of nozzle, between the flange of nozzle needle pedestal and following valve body lower end endoporus the O RunddichtringO is housed; Described heating core places the annular chamber that compresses between a set of cups and the following valve body; Described have inlet to be communicated with the top of described extruding spray chamber on the body wall down.
The structure of described valve body: middle valve body upper end has the external thread rotary of internal thread and upper valve body lower end to join, and there is cannelure the upper valve body lower end, wherein is embedded with the O RunddichtringO, realizes the sealing of upper valve body and middle valve body; In the lower end of valve body have flange to pass through screw-nut respectively with the upper end of following valve body to fixedly connected; Middle valve body lower end has the downward boss and the positioning chamber cunning of following valve body upper end to join radial location, in the annular chamber between nozzle needle and middle valve body lower end inner hole wall pilot sleeve is housed; Between pilot sleeve upper surface and middle valve body lower end face endoporus bottom surface y-type seal ring is housed, between pilot sleeve lower surface and following valve body upper surface positioning chamber y-type seal ring is housed also.
Operation principle of the present utility model is summarized as follows: open the gas reversing solenoid valve on the high-pressure gas pipeline, then gases at high pressure enter the piston lower chamber and with piston jack-up, piston drives nozzle needle and moves upward, nozzle needle head and nozzle needle base-separation, fluid enters under the back pressure effect in the gap that nozzle needle lifts formation, gas reversing solenoid valve conversion work position immediately, piston lower chamber gases at high pressure discharge, the piston upper chamber body enters gases at high pressure promotion piston drive nozzle needle and moves to the nozzle needle pedestal with enough speed, the fluid that overstocks in the nozzle needle pedestal is pressed to nozzle, fluid in the nozzle obtains enough speed and breaks away from nozzle, forms drop and sprays to substrate.
The utility model has following conspicuous outstanding substantive distinguishing features and remarkable advantage compared with prior art:
1, adopts the form of nozzle and nozzle needle base-separation, can change nozzle or nozzle needle pedestal, form different combinations according to different eject requests; Nozzle and nozzle needle pedestal use the mechanical couplings mode, both can guarantee the axiality of nozzle needle pedestal hole and nozzle, the draw ratio of also having dwindled nozzle simultaneously.
2, drive the mode of nozzle needle with respect to electromagnet, piezoelectric ceramics, membrane pump, adopt drive of high-pressure gas, response is fast, has improved the frequency of spray site glue; Can regulate the movement travel of nozzle needle by the length of regulating cavity between upper valve body and the middle valve body, realize required glue is dripped the accurate control of size.
3, adopted the heating core device at the injection equipment place, the viscosity of fluent material can have been reduced, enlarged the range of choice of blasting materials, suitable application area is wider.
Description of drawings
Fig. 1 is that structural representation of the present utility model---driving mechanism is in the state diagram of least significant end
Fig. 2 is the injection equipment partial enlarged drawing
Fig. 3 is in the state diagram of top for the driving mechanism of utility model structure shown in Figure 1.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is further detailed.
Embodiment one: with reference to accompanying drawing 1,2,3, the glue solution injector of this drive of high-pressure gas, comprise valve body (3), driving mechanism and injection equipment, it is characterized in that: described valve body (3) is made of the upper and lower side difference fixedly connected upper valve body (30) and the following valve body (32) of middle valve body (31); Settle described driving mechanism in the inner chamber that forms between valve body in described (31) and upper valve body (30), this driving mechanism is Pneumatic piston driving mechanism (1); Connect described injection equipment in the described lower end of valve body (32) down, this injection equipment is a nozzle needle squash type injection equipment (2); Piston rod in the described Pneumatic piston driving mechanism (1) directly constitutes the nozzle needle (10) in the described nozzle needle squash type injection equipment (2).
2. the glue solution injector of drive of high-pressure gas according to claim 1, it is characterized in that: the structure of described Pneumatic piston driving mechanism (1) is: the inner chamber that forms between valve body (31) and upper valve body (30) in described constitutes cylinder, in this cylinder, settle piston (12), this piston (12) is fixedlyed connected with described nozzle needle (10), on described upper valve body (30), there is last air inlet (15) to be communicated with cylinder upper chamber above the described piston (12), has following air inlet (14) to be communicated with cylinder lower chambers below the described piston (12) on the sidewall of valve body in described (31).
Embodiment two: present embodiment and embodiment one are basic identical, special feature is as follows: the structure of described Pneumatic piston driving mechanism (1) is: the inner chamber that forms between valve body (31) and upper valve body (30) in described constitutes cylinder, in this cylinder, settle piston (12), this piston (12) is fixedlyed connected with described nozzle needle (10), on described upper valve body (30), there is last air inlet (15) to be communicated with cylinder upper chamber above the described piston (12), has following air inlet (14) to be communicated with cylinder lower chambers below the described piston (12) on the sidewall of valve body in described (31).
Be embedded with O RunddichtringO (16) on the cylindrical that described piston (12) and cylinder inner wall cunning are joined, there are the shaft shoulder and screw thread in described nozzle needle (10) upper end, make by nut (11) that piston (12) is fastening to be resisted against on the shaft shoulder, and be embedded with O RunddichtringO (17) at piston (12) endoporus and nozzle needle (10) coupling place, realize being sealedly and fixedly connected between piston (12) and nozzle needle (10); A positive stop (13) is fixed by screw (18) in the end in described cylinder.
Described nozzle needle squash type injection equipment (2) comprises and compresses a set of cups (20), nozzle needle pedestal (22), nozzle (23), and heating core (25), the described a set of cups (20) that compresses is fixed in the lower end of valve body (32) down by screw (24), thereby nozzle (23) and nozzle needle pedestal (22) are pressed on down in the endoporus of valve body (32) lower end, described nozzle needle (10) lower end body spherical in shape is joined with following valve body (32) lower end endoporus cunning, make and form the extruding spray chamber between nozzle needle (10) lower end spherical and the nozzle needle pedestal (22), nozzle needle pedestal (22) has centre bore to be communicated with the spout of nozzle (23), between the flange of nozzle needle pedestal (22) and following valve body (32) lower end endoporus O RunddichtringO (21) is housed; Described heating core (25) places the annular chamber that compresses between a set of cups (20) and the following valve body (32); There is inlet (38) to be communicated with the top of described extruding spray chamber on described valve body (32) sidewall down.
The structure of described valve body (3): middle valve body (31) upper end has the external thread rotary of internal thread and upper valve body (30) lower end to join, there is cannelure upper valve body (30) lower end, wherein be embedded with O RunddichtringO (39), realize the sealing of upper valve body (30) and middle valve body (31); The lower end of upper valve body (31) has flange to pass through screw (36) nut (37) respectively with the upper end of following valve body (32) to fixedly connected; Middle valve body (31) lower end has the downward boss and the positioning chamber cunning of following valve body (32) upper end to join radial location, in the annular chamber between nozzle needle (10) and middle valve body (31) lower end inner hole wall pilot sleeve (34) is housed; Between pilot sleeve (34) upper surface and endoporus bottom surface, middle valve body (31) lower surface y-type seal ring (33) is housed, between pilot sleeve (34) lower surface and following valve body (32) upper surface positioning chamber y-type seal ring (35) is housed also.
Claims (5)
1. the glue solution injector of a drive of high-pressure gas comprises valve body (3), driving mechanism and injection equipment, it is characterized in that: described valve body (3) is made of the upper and lower side difference fixedly connected upper valve body (30) and the following valve body (32) of middle valve body (31); Settle described driving mechanism in the inner chamber that forms between valve body in described (31) and upper valve body (30), this driving mechanism is Pneumatic piston driving mechanism (1); Connect described injection equipment in the described lower end of valve body (32) down, this injection equipment is a nozzle needle squash type injection equipment (2); Piston rod in the described Pneumatic piston driving mechanism (1) directly constitutes the nozzle needle (10) in the described nozzle needle squash type injection equipment (2).
2. the glue solution injector of drive of high-pressure gas according to claim 1, it is characterized in that: the structure of described Pneumatic piston driving mechanism (1) is: the inner chamber that forms between valve body (31) and upper valve body (30) in described constitutes cylinder, in this cylinder, settle piston (12), this piston (12) is fixedlyed connected with described nozzle needle (10), on described upper valve body (30), there is last air inlet (15) to be communicated with cylinder upper chamber above the described piston (12), has following air inlet (14) to be communicated with cylinder lower chambers below the described piston (12) on the sidewall of valve body in described (31).
3. the glue solution injector of drive of high-pressure gas according to claim 2, it is characterized in that: be embedded with O RunddichtringO (16) on the cylindrical that described piston (12) and cylinder inner wall cunning are joined, there are the shaft shoulder and screw thread in described nozzle needle (10) upper end, make by nut (11) that piston (12) is fastening to be resisted against on the shaft shoulder, and be embedded with O RunddichtringO (17) at piston (12) endoporus and nozzle needle (10) coupling place, realize being sealedly and fixedly connected between piston (12) and nozzle needle (10); A positive stop (13) is fixed by screw (18) in the end in described cylinder.
4. the glue solution injector of drive of high-pressure gas according to claim 1, it is characterized in that: described nozzle needle squash type injection equipment (2) comprises and compresses a set of cups (20), nozzle needle pedestal (22), nozzle (23), and heating core (25), the described a set of cups (20) that compresses is fixed in the lower end of valve body (32) down by screw (24), thereby nozzle (23) and nozzle needle pedestal (22) are pressed on down in the endoporus of valve body (32) lower end, described nozzle needle (10) lower end body spherical in shape is joined with following valve body (32) lower end endoporus cunning, make and form the extruding spray chamber between nozzle needle (10) lower end spherical and the nozzle needle pedestal (22), nozzle needle pedestal (22) has centre bore to be communicated with the spout of nozzle (23), between the flange of nozzle needle pedestal (22) and following valve body (32) lower end endoporus O RunddichtringO (21) is housed; Described heating core (25) places the annular chamber that compresses between a set of cups (20) and the following valve body (32); There is inlet (38) to be communicated with the top of described extruding spray chamber on described valve body (32) sidewall down.
5. the glue solution injector of drive of high-pressure gas according to claim 1, the structure that it is characterized in that described valve body (3): middle valve body (31) upper end has the external thread rotary of internal thread and upper valve body (30) lower end to join, there is cannelure upper valve body (30) lower end, wherein be embedded with O RunddichtringO (39), realize the sealing of upper valve body (30) and middle valve body (31); In the lower end of valve body (31) have flange to pass through screw (36) nut (37) respectively with the upper end of following valve body (32) to fixedly connected; Middle valve body (31) lower end has the downward boss and the positioning chamber cunning of following valve body (32) upper end to join radial location, in the annular chamber between nozzle needle (10) and middle valve body (31) lower end inner hole wall pilot sleeve (34) is housed; Between pilot sleeve (34) upper surface and endoporus bottom surface, middle valve body (31) lower surface y-type seal ring (33) is housed, between pilot sleeve (34) lower surface and following valve body (32) upper surface positioning chamber y-type seal ring (35) is housed also.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206877616U CN201921804U (en) | 2010-12-30 | 2010-12-30 | High-pressure gas driven glue injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206877616U CN201921804U (en) | 2010-12-30 | 2010-12-30 | High-pressure gas driven glue injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201921804U true CN201921804U (en) | 2011-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206877616U Expired - Fee Related CN201921804U (en) | 2010-12-30 | 2010-12-30 | High-pressure gas driven glue injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201921804U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331238A (en) * | 2013-07-24 | 2013-10-02 | 常熟康尼格科技有限公司 | Valve needle and valve needle sleeve friction pair structure for glue injection gun special for low pressure glue injection machine |
| CN104576464A (en) * | 2015-01-30 | 2015-04-29 | 日月光半导体（昆山）有限公司 | Equipment and method for packaging semiconductors, and sprayer of equipment |
| CN104549901A (en) * | 2015-02-04 | 2015-04-29 | 常熟康尼格科技有限公司 | Special built-in glue injection gun for low-pressure glue injection |
| CN104941874A (en) * | 2015-07-14 | 2015-09-30 | 佛山电器照明股份有限公司 | Dispensing valve and gumming machine |
| CN105149165A (en) * | 2015-07-31 | 2015-12-16 | 中南大学 | Improved jetting type glue dispensing valve and glue dispensing method thereof |
| CN105903638A (en) * | 2016-05-05 | 2016-08-31 | 深圳市卓翼科技股份有限公司 | All-digital-control precise glue dispensing valve |
| CN106311557A (en) * | 2015-06-25 | 2017-01-11 | 常州高凯精密机械有限公司 | Thin sheet percussive type dispensing nozzle |
| CN107670903A (en) * | 2017-10-24 | 2018-02-09 | 业成科技（成都）有限公司 | Point glue equipment, spray valve and nozzle |
| CN107961948A (en) * | 2017-11-08 | 2018-04-27 | 长兴金润大正机械有限公司 | A kind of glue dispensing valve |
| CN110252600A (en) * | 2019-07-15 | 2019-09-20 | 上海善佳机械设备有限公司 | A kind of high pressure gluing valve body |
-
2010
- 2010-12-30 CN CN2010206877616U patent/CN201921804U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103331238A (en) * | 2013-07-24 | 2013-10-02 | 常熟康尼格科技有限公司 | Valve needle and valve needle sleeve friction pair structure for glue injection gun special for low pressure glue injection machine |
| CN104576464A (en) * | 2015-01-30 | 2015-04-29 | 日月光半导体（昆山）有限公司 | Equipment and method for packaging semiconductors, and sprayer of equipment |
| CN104549901A (en) * | 2015-02-04 | 2015-04-29 | 常熟康尼格科技有限公司 | Special built-in glue injection gun for low-pressure glue injection |
| CN106311557A (en) * | 2015-06-25 | 2017-01-11 | 常州高凯精密机械有限公司 | Thin sheet percussive type dispensing nozzle |
| CN104941874A (en) * | 2015-07-14 | 2015-09-30 | 佛山电器照明股份有限公司 | Dispensing valve and gumming machine |
| CN104941874B (en) * | 2015-07-14 | 2017-10-13 | 佛山电器照明股份有限公司 | A kind of glue dispensing valve and a kind of glue spreader |
| CN105149165A (en) * | 2015-07-31 | 2015-12-16 | 中南大学 | Improved jetting type glue dispensing valve and glue dispensing method thereof |
| CN105149165B (en) * | 2015-07-31 | 2018-09-25 | 中南大学 | A kind of modified spraying type dispensing valve and its dispensing method |
| CN105903638A (en) * | 2016-05-05 | 2016-08-31 | 深圳市卓翼科技股份有限公司 | All-digital-control precise glue dispensing valve |
| CN105903638B (en) * | 2016-05-05 | 2018-10-30 | 深圳市卓翼科技股份有限公司 | All-digitized demodulator precise glue dispensing valve |
| CN107670903A (en) * | 2017-10-24 | 2018-02-09 | 业成科技（成都）有限公司 | Point glue equipment, spray valve and nozzle |
| CN107961948A (en) * | 2017-11-08 | 2018-04-27 | 长兴金润大正机械有限公司 | A kind of glue dispensing valve |
| CN110252600A (en) * | 2019-07-15 | 2019-09-20 | 上海善佳机械设备有限公司 | A kind of high pressure gluing valve body |
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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: 20110810 Termination date: 20131230 |