CN105082478A - Trace precision injection molding glue injection device - Google Patents
Trace precision injection molding glue injection device Download PDFInfo
- Publication number
- CN105082478A CN105082478A CN201510528026.8A CN201510528026A CN105082478A CN 105082478 A CN105082478 A CN 105082478A CN 201510528026 A CN201510528026 A CN 201510528026A CN 105082478 A CN105082478 A CN 105082478A
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- China
- Prior art keywords
- glue
- gun barrel
- injection
- glue injection
- precision
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/58—Details
- B29C45/62—Barrels or cylinders
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Coating Apparatus (AREA)
Abstract
The invention discloses a trace precision injection molding glue injection device. The trace precision injection molding glue injection device comprises a spray nozzle, a primary glue injection gun barrel and a precision gun barrel. The primary glue injection gun barrel comprises a primary gun barrel body internally provided with a primary glue injection cavity and a primary glue injection gun barrel piston rod capable of reciprocating in the primary glue injection cavity. The precision gun barrel comprises a precision gun barrel body internally provided with a precision glue injection cavity and a precision gun barrel piston rod capable of reciprocating in the precision glue injection cavity. The internal diameter of the primary glue injection cavity is larger than that of the precision glue injection cavity. A raw material inlet passageway is communicated with the primary glue injection cavity. The primary glue injection cavity and the precision glue injection cavity are connected through a material supply passageway. A glue inflow valve is arranged on the material supply passageway. The precision glue injection cavity is connected with the spray nozzle through the glue injection passageway. A glue injection valve is arranged on the glue injection passageway. The primary glue injection gun barrel and the precision gun barrel which are different in internal diameter are combined for glue injection, material supply is easy due to the characteristics and the beneficial effects of the primary glue injection gun barrel and the precision gun barrel, the errors generated by outputting the glue amount are small, and the output precision is higher.
Description
Technical field
The present invention is used for injection molding technology field, particularly relates to a kind of micro-precision injection moulding glue filling device.
Background technology
The gun barrel that common injection moulding uses has screw gun barrel and two kinds, direct press type gun barrel, the diameter that screw gun barrel is general is all more than 20mm, there is the problem of part processing difficulties in the gun barrel of below 20mm diameter, and also there is gun barrel feed difficulty because the diameter of gun barrel is less even can not the problem of feed.And ordinary straight pressure type gun barrel is equally also the problem that there is feed difficulty, retreats just can carry out feed because the mode of direct press type gun barrel feed mainly promotes gun barrel piston rod by the sizing material that adds in gun barrel.
Summary of the invention
For solving the problem, the invention provides a kind of feed easy, the error exporting the generation of glue amount is little, the high micro-precision injection moulding glue filling device exporting precision.
The technical solution adopted for the present invention to solve the technical problems is: a kind of micro-precision injection moulding glue filling device, comprise nozzle, one-level silica-gel injection gun barrel and accurate gun barrel, one-level silica-gel injection gun barrel comprise inside be provided with one-level glue injection cavities one-level gun barrel body and can in described one-level glue injection cavities reciprocating one-level silica-gel injection gun barrel piston rod, described accurate gun barrel comprise inside be provided with accurate glue injection cavities accurate gun barrel body and can in described accurate glue injection cavities reciprocating accurate gun barrel piston rod, the internal diameter of described one-level glue injection cavities is greater than the internal diameter of accurate glue injection cavities, raw material admission passage is provided with the conducting of described one-level glue injection cavities, described one-level glue injection cavities is connected by feeder channel with accurate glue injection cavities, feeder channel is equipped with into glue valve, described accurate glue injection cavities is connected with nozzle by glue injection channel, glue injection channel is equipped with rubber injecting valve.
Be further used as the improvement of technical solution of the present invention, also comprise contiguous block, described one-level silica-gel injection gun barrel and accurate gun barrel are all fixedly mounted on described contiguous block, offer the feeder channel of conducting one-level glue injection cavities and accurate glue injection cavities in contiguous block, contiguous block is equipped with can control feeder channel conducting enter glue valve.
Be further used as the improvement of technical solution of the present invention, enter glue valve include glue needle and can be driven into glue needle stretch into or exit feeder channel thus block or conducting feeder channel enter glue valve body.
Be further used as the improvement of technical solution of the present invention, enter glue valve body to be contained on described contiguous block and inside and to be provided with into glue valve pocket, enter in glue valve pocket be provided with described enter glue needle be connected enter glue piston, enter glue piston will enter glue valve pocket and be divided into two points of chambeies, enter glue valve body be provided with respectively with described enter glue valve pocket two points of chamber conductings enter glue valve open hole and enter glue valve to close closed pore.
Be further used as the improvement of technical solution of the present invention, offer the glue injection channel of the accurate glue injection cavities of conducting and nozzle in contiguous block, contiguous block is equipped with the rubber injecting valve that can control glue injection channel conducting.
Be further used as the improvement of technical solution of the present invention, rubber injecting valve comprises injecting glue needle and injecting glue needle can be driven to stretch into or exit glue injection channel thus the injecting glue valve body of blocking-up or conducting glue injection channel.
Be further used as the improvement of technical solution of the present invention, injecting glue valve body is contained on described contiguous block and inside is provided with injecting glue valve pocket, the injecting glue piston be connected with described injecting glue needle is provided with in injecting glue valve pocket, injecting glue valve pocket is divided into two points of chambeies by injecting glue piston, and injecting glue valve body is provided with and closes closed pore with the rubber injecting valve open hole of two points of chamber conductings of described injecting glue valve pocket and rubber injecting valve respectively.
Be further used as the improvement of technical solution of the present invention, described nozzle is fixedly mounted on the front end of contiguous block by gun barrel drive end bearing bracket, and nozzle and gun barrel drive end bearing bracket are threaded.
Be further used as the improvement of technical solution of the present invention, described raw material admission passage is opened in contiguous block, and raw material admission passage is equipped with can to the unidirectional check valve opened of one-level glue injection cavities.
Be further used as the improvement of technical solution of the present invention, the end of described one-level silica-gel injection gun barrel and accurate gun barrel is all equipped with rear flange.
Beneficial effect of the present invention: in the present invention, one-level silica-gel injection gun barrel is the gun barrel structure that internal diameter is larger, for storing the raw material of outside feeding system supply, then flows to accurate gun barrel by raw material by feeder channel.The comparatively large pressure of very little external feed that only needs of internal diameter due to one-level silica-gel injection gun barrel just can by raw material admission passage supply gun barrel, the feed requirement of general feeding system can be met, and one-level silica-gel injection gun barrel can store more raw material and can avoid, because little raw material supplying produces the uneven phenomenon of mixing to occur, better can mixing material.Secondly one-level silica-gel injection gun barrel structure is to being that material extruding is entered accurate gun barrel inside by the mode of injecting during accurate gun barrel feed, with larger Output pressure, can solve the problem of minor diameter gun barrel feed difficulty completely.Accurate gun barrel is the accurate gun barrel formed with smaller gun barrel diameter, is characterized in that the internal diameter of gun barrel is little, and the error exporting the generation of glue amount is very little, high output precision, and total capacity is also less, is applicable to accurate miscellaneous goods and produces.Perform injecting glue action by accurate gun barrel, the glue amount of precision is expelled to in-mold molding, completes the work of precise injection.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is internal structure schematic diagram of the present invention;
Fig. 2 is A-A place sectional view in Fig. 1.
Detailed description of the invention
With reference to Fig. 1, Fig. 2, that show the concrete structure of the preferred embodiment of the present invention.To the design feature of the present invention each element be described in detail below, and if be described to direction (upper and lower, left and right, before and after) time, be with the structure shown in Fig. 1 for reference to describing, but actual user of the present invention is to being not limited thereto.
The invention provides a kind of micro-precision injection moulding glue filling device, comprise nozzle 1, contiguous block 2, one-level silica-gel injection gun barrel 3 and accurate gun barrel 4, described one-level silica-gel injection gun barrel 3 and accurate gun barrel 4 are all fixedly mounted on described contiguous block 2, and the end of described one-level silica-gel injection gun barrel 3 and accurate gun barrel 4 is all equipped with rear flange 5.Described nozzle 1 is fixedly mounted on the front end of contiguous block 2 by gun barrel drive end bearing bracket 6, wherein, nozzle 1 and gun barrel drive end bearing bracket 6 are threaded, to ensure connective stability and to be convenient for changing requirement.One-level silica-gel injection gun barrel 3 comprise inside be provided with one-level glue injection cavities 31 one-level gun barrel body 32 and can in described one-level glue injection cavities 31 reciprocating one-level silica-gel injection gun barrel piston rod 33, described accurate gun barrel 4 comprise inside be provided with accurate glue injection cavities 41 accurate gun barrel body 42 and can in described accurate glue injection cavities 41 reciprocating accurate gun barrel piston rod 43, the internal diameter of described one-level glue injection cavities 31 is greater than the internal diameter of accurate glue injection cavities 41, raw material admission passage 34 is provided with the conducting of described one-level glue injection cavities 31, described raw material admission passage 34 is opened in contiguous block 2, raw material admission passage 34 is equipped with can to the unidirectional check valve 35 opened of one-level glue injection cavities 31.Described one-level glue injection cavities 31 is connected by feeder channel 21 with accurate glue injection cavities 41, feeder channel 21 is equipped with into glue valve, and described accurate glue injection cavities 41 is connected with nozzle 1 by glue injection channel 22, and glue injection channel 22 is equipped with rubber injecting valve.
In the present invention, one-level silica-gel injection gun barrel 3 is the gun barrel structure that internal diameter is larger, for storing the raw material of outside feeding system supply, then raw material is flowed to accurate gun barrel 4 by feeder channel 21.The comparatively large pressure of very little external feed that only needs of internal diameter due to one-level silica-gel injection gun barrel 3 just can supply gun barrel by raw material admission passage 34, the feed requirement of general feeding system can be met, and one-level silica-gel injection gun barrel 3 can store more raw material and can avoid, because little raw material supplying produces the uneven phenomenon of mixing to occur, better can mixing material.Secondly one-level silica-gel injection gun barrel 3 structure is given during accurate gun barrel 4 feed is, in the mode of one-level silica-gel injection gun barrel piston rod 33 injection, material extruding is entered accurate gun barrel 4 inside, with larger Output pressure, can solve the problem of minor diameter gun barrel feed difficulty completely.Accurate gun barrel 4 is the accurate gun barrels formed with smaller gun barrel diameter, is characterized in that the internal diameter of gun barrel is little, and the error exporting the generation of glue amount is very little, high output precision, and total capacity is also less, is applicable to accurate miscellaneous goods and produces.Perform injecting glue action by accurate gun barrel 4, the glue amount of precision is expelled to in-mold molding, completes the work of precise injection.
Offer the feeder channel 21 of conducting one-level glue injection cavities 31 and accurate glue injection cavities 41 in contiguous block 2, contiguous block 2 is equipped with can control feeder channel 21 conducting enter glue valve.Enter glue valve include glue needle 71 and can be driven into glue needle 71 stretch into or exit feeder channel 21 thus block or conducting feeder channel 21 enter glue valve body.Enter glue valve body to be contained on described contiguous block 2 and inside is provided with into glue valve pocket 72, enter in glue valve pocket 72 be provided with described enter glue needle 71 be connected enter glue piston 73, enter glue piston 73 will enter glue valve pocket 72 and be divided into two points of chambeies, enter glue valve body be provided with respectively with described enter glue valve pocket 72 two points of chamber conductings enter glue valve open hole 74 and enter glue valve to close closed pore 75.
Offer the glue injection channel 22 of the accurate glue injection cavities 41 of conducting and nozzle 1 in contiguous block 2, contiguous block 2 is equipped with the rubber injecting valve that can control glue injection channel 22 conducting.Rubber injecting valve comprises injecting glue needle 81 and injecting glue needle 81 can be driven to stretch into or exit glue injection channel 22 thus the injecting glue valve body of blocking-up or conducting glue injection channel 22.Injecting glue valve body is contained on described contiguous block 2 and inside is provided with injecting glue valve pocket 82, the injecting glue piston 83 be connected with described injecting glue needle 81 is provided with in injecting glue valve pocket 82, injecting glue valve pocket 82 is divided into two points of chambeies by injecting glue piston 83, and injecting glue valve body is provided with and closes closed pore 85 with the rubber injecting valve open hole 84 of two points of chamber conductings of described injecting glue valve pocket 82 and rubber injecting valve respectively.
Structure of the present invention and in detail action are as follows:
1. raw material is inputted from raw material admission passage 34 by outside feeding system, and raw material admission passage 34 place is provided with check valve 35, and raw material can only be inputted can not reflux.
2. raw material enters one-level silica-gel injection gun barrel 3 inside by raw material admission passage 34, and promotes the retrogressing of one-level silica-gel injection gun barrel piston rod, and one-level silica-gel injection gun barrel is filled up sizing material.
3. one-level silica-gel injection gun barrel performs injecting glue action after filling up raw material, external thrust promotes one-level silica-gel injection gun barrel piston rod 33 and advances and inject out by the sizing material of one-level glue injection cavities 31 inside, meanwhile air pressure enters by entering glue valve open hole 74, make to retreat into glue needle 71, enter glue valve to open, make the sizing material injecting out can enter into accurate glue injection cavities 41 by feeder channel 21 inner, and promote accurate gun barrel piston rod 43 to retreat, after desired location, stop the injecting glue charge motion of one-level silica-gel injection gun barrel 3.One-level silica-gel injection gun barrel 3 injecting glue charge motion can be fed in accurate gun barrel 4 by injecting glue several times.Wait for that repeating 1,2 actions again after the sizing material of one-level silica-gel injection gun barrel 3 inside has been injected feeds in raw material to one-level silica-gel injection gun barrel 3.
4., after accurate gun barrel 4 fills it up with material, air pressure enters into glue valve pocket 72 by entering glue valve pass closed pore 75, makes to advance into glue needle 71, enters glue valve and close.
5. then accurate gun barrel 4 performs injecting glue action, promotes accurate gun barrel piston rod 43 advance by the injection of the sizing material precision of accurate glue injection cavities 41 inside out by external force.Meanwhile air pressure is entered in injecting glue valve pocket 82 by rubber injecting valve open hole 84, and injecting glue needle 81 is retreated, and rubber injecting valve is opened, and makes sizing material can by glue injection channel 22 in the mould that nozzle 1 is injected.The injection that sizing material completes by accurate gun barrel piston rod 43 out completes injecting glue action afterwards, and air pressure is entered in injecting glue valve pocket 82 by rubber injecting valve pass closed pore 85, and injecting glue needle 81 is advanced, and rubber injecting valve is closed.
6. accurate injecting glue action completes.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent modification or replacement are all included in the application's claim limited range.
Claims (10)
1. a micro-precision injection moulding glue filling device, it is characterized in that: comprise nozzle, one-level silica-gel injection gun barrel and accurate gun barrel, one-level silica-gel injection gun barrel comprise inside be provided with one-level glue injection cavities one-level gun barrel body and can in described one-level glue injection cavities reciprocating one-level silica-gel injection gun barrel piston rod, described accurate gun barrel comprise inside be provided with accurate glue injection cavities accurate gun barrel body and can in described accurate glue injection cavities reciprocating accurate gun barrel piston rod, the internal diameter of described one-level glue injection cavities is greater than the internal diameter of accurate glue injection cavities, raw material admission passage is provided with the conducting of described one-level glue injection cavities, described one-level glue injection cavities is connected by feeder channel with accurate glue injection cavities, feeder channel is equipped with into glue valve, described accurate glue injection cavities is connected with nozzle by glue injection channel, glue injection channel is equipped with rubber injecting valve.
2. micro-precision injection moulding glue filling device according to claim 1, it is characterized in that: also comprise contiguous block, described one-level silica-gel injection gun barrel and accurate gun barrel are all fixedly mounted on described contiguous block, offer the feeder channel of conducting one-level glue injection cavities and accurate glue injection cavities in contiguous block, contiguous block is equipped with can control feeder channel conducting enter glue valve.
3. micro-precision injection moulding glue filling device according to claim 2, is characterized in that: enter glue valve include glue needle and can be driven into glue needle stretch into or exit feeder channel thus block or conducting feeder channel enter glue valve body.
4. micro-precision injection moulding glue filling device according to claim 3, it is characterized in that: enter glue valve body and be contained on described contiguous block and inside and be provided with into glue valve pocket, enter in glue valve pocket be provided with described enter glue needle be connected enter glue piston, enter glue piston will enter glue valve pocket and be divided into two points of chambeies, enter glue valve body be provided with respectively with described enter glue valve pocket two points of chamber conductings enter glue valve open hole and enter glue valve to close closed pore.
5. micro-precision injection moulding glue filling device according to claim 2, is characterized in that: the glue injection channel offering the accurate glue injection cavities of conducting and nozzle in contiguous block, contiguous block is equipped with the rubber injecting valve that can control glue injection channel conducting.
6. micro-precision injection moulding glue filling device according to claim 5, is characterized in that: rubber injecting valve comprises injecting glue needle and injecting glue needle can be driven to stretch into or exit glue injection channel thus the injecting glue valve body of blocking-up or conducting glue injection channel.
7. micro-precision injection moulding glue filling device according to claim 6, it is characterized in that: injecting glue valve body is contained on described contiguous block and inside is provided with injecting glue valve pocket, the injecting glue piston be connected with described injecting glue needle is provided with in injecting glue valve pocket, injecting glue valve pocket is divided into two points of chambeies by injecting glue piston, and injecting glue valve body is provided with and closes closed pore with the rubber injecting valve open hole of two points of chamber conductings of described injecting glue valve pocket and rubber injecting valve respectively.
8. the micro-precision injection moulding glue filling device according to any one of claim 2 ~ 7, is characterized in that: described nozzle is fixedly mounted on the front end of contiguous block by gun barrel drive end bearing bracket, nozzle and gun barrel drive end bearing bracket are threaded.
9. the micro-precision injection moulding glue filling device according to any one of claim 2 ~ 7, is characterized in that: described raw material admission passage is opened in contiguous block, and raw material admission passage is equipped with can to the unidirectional check valve opened of one-level glue injection cavities.
10. the micro-precision injection moulding glue filling device according to any one of claim 1 ~ 7, is characterized in that: the end of described one-level silica-gel injection gun barrel and accurate gun barrel is all equipped with rear flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510528026.8A CN105082478B (en) | 2015-08-25 | 2015-08-25 | A kind of micro-precision is injection moulded glue filling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510528026.8A CN105082478B (en) | 2015-08-25 | 2015-08-25 | A kind of micro-precision is injection moulded glue filling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105082478A true CN105082478A (en) | 2015-11-25 |
| CN105082478B CN105082478B (en) | 2018-05-29 |
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| CN201510528026.8A Active CN105082478B (en) | 2015-08-25 | 2015-08-25 | A kind of micro-precision is injection moulded glue filling device |
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| CN (1) | CN105082478B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108890972A (en) * | 2018-08-15 | 2018-11-27 | 广州天沅硅胶机械科技有限公司 | A kind of sizing material injection device |
| CN109304274A (en) * | 2017-07-28 | 2019-02-05 | 纽豹智能识别技术(无锡）有限公司 | A kind of micro slide-bar inching gluing head applying to IC module |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109304274A (en) * | 2017-07-28 | 2019-02-05 | 纽豹智能识别技术(无锡）有限公司 | A kind of micro slide-bar inching gluing head applying to IC module |
| CN109304274B (en) * | 2017-07-28 | 2023-09-01 | 纽豹智能识别技术(无锡）有限公司 | Micro-sliding shaft micro-motion type gluing head applied to IC module |
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| CN108890972B (en) * | 2018-08-15 | 2020-11-06 | 广州天沅硅胶机械科技有限公司 | Sizing material injection device |
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| Publication number | Publication date |
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| CN105082478B (en) | 2018-05-29 |
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