CN204977231U - Vacuum low pressure injection molding machine - Google Patents
Vacuum low pressure injection molding machine Download PDFInfo
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- CN204977231U CN204977231U CN201520543139.0U CN201520543139U CN204977231U CN 204977231 U CN204977231 U CN 204977231U CN 201520543139 U CN201520543139 U CN 201520543139U CN 204977231 U CN204977231 U CN 204977231U
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- cylinder
- needle
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- mould
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to an injection molding machine, concretely relates to vacuum low pressure injection molding machine, including portion of moulding plastics and fixed part, the portion of moulding plastics is through the top of lift stand (11) movable mounting at the fixed part, the portion of moulding plastics by melt glue cylinder (1), needle cylinder (4), penetrate mouth (6) and needle (7) are constituteed, the fixed part is by mould (2), ejecting cylinder (5), ejecting piece (10) and push down sealed (13) and constitute. The utility model discloses a mode of evacuation make mould plastics more substantial, safer to electron device's protection, eliminate the air and to injection moulding's influence, improve and fill the effect, avoided because the manufacturing cost and the multiple trouble hidden danger of original mechanical hardware such as gear pump, motor, pressure regulator effectively improve production efficiency and reduces manufacturing cost.
Description
Technical field
The utility model relates to injection machine, is specifically related to a kind of vacuum low-pressure injection machine.
Background technology
At present, known low-pressure injection molding machine is all with general gear pump for injection moulding power source, and injection pressure controls by the rotating speed of gear pump and the adjustment of external pressure valve completely.Be easier to during general injection moulding occur occurring that mold injection is discontented with glue because regulating improper or fluctuation of service, or burr burr excessively appears in injection moulding, or that cause product bubble, current mark etc. are many bad because exhaust is bad.
Utility model content
The purpose of this utility model is to provide a kind of vacuum low-pressure injection machine, the problem of solution.
For solving above-mentioned technical problem, the utility model by the following technical solutions:
A kind of vacuum low-pressure injection machine, comprise injection moulding portion and fixed part, described injection moulding portion is movably arranged on the top of fixed part by lifting column; Described injection moulding portion is made up of glue melting cylinder, needle cylinder, nozzle and needle, described nozzle is connected with glue melting cylinder, nozzle hollow and be provided with in tube wall heating circle, injection hole is had in the bottom of nozzle, described needle interts in the inside of nozzle, under the bottom of needle, movement can shut described injection hole, top and its needle cylinders moved up and down of control of needle; Described fixed part by mould, eject cylinder, angled slide block and press down sealing station and form, describedly press down the top that sealing station is arranged on mould, described angled slide block supports from below by ejecting cylinder, be arranged in mould and the described sealed cavity pressed down between sealing station, the top of top place block is used for fixing electronic component to be packaged, when nozzle described after injection moulding subordinate falls is pressed on described electronic component to be packaged through injection hole after pressing down sealing station, described sealed cavity is connected to vacuum generator by vacuum pipe.
Further, described mould and describedly press down sealed cavity between sealing station and realize sealing by sealing ring, described sealing ring is arranged between mould and the contact surface pressing down sealing station, be arranged on below angled slide block and between mould between contact surface.
Further, described needle cylinder is all be made up of a square or columniform shell and the piston installed in the enclosure with ejecting cylinder, and the extraneous two ends described shell being positioned at piston stroke activity are respectively equipped with air inlet/outlet.
Further, the injection hole of described nozzle is the cone-shaped of downward evagination, and be also the cone-shaped of downward evagination bottom described needle, needle moves down on its inwall being just close to cone-shaped injection hole.
Further, described glue melting cylinder becomes " L " shape, and it has high table top and low table, and the bottom of glue melting cylinder is provided with preheating device, and described needle cylinder is arranged on the low table of glue melting cylinder, and glue-pouring device is connected to the high table top of glue melting cylinder.
Above-mentioned vacuum low-pressure injection machine, its injection moulding process is as follows:
Step one, utilizes needle cylinder control valve pin to move down the injection hole tightly suppressed bottom nozzle, does not allow injection molding material overflow;
Step 2, separates along lifting column up and down by injection moulding portion and fixed part, is fixed on angled slide block by electronic component to be packaged;
Step 3, injection moulding portion and fixed part close up up and down along lifting column again, ejecting under cylinder cooperation, the injection hole of nozzle is pressed on described electronic component to be packaged, and mould and the described sealed cavity formed between sealing station that presses down are in sealing state;
Step 4, the air utilizing vacuum generator to find time in sealed cavity, makes it keep vacuum state;
Step 6, utilize on needle cylinder control valve pin and move, open the injection hole bottom nozzle, the injection molding material in glue melting cylinder is then filled on electronic component to be packaged along nozzle, completes injection moulding.
Compared with prior art; the beneficial effects of the utility model are: adopt the mode vacuumized to make injection moulding more substantial; safer to the protection of electronic device; eliminate air to the impact of injection mo(u)lding; improve filling effect; avoid because the production cost of original mechanical hardware such as gear pump, motor, pressure regulator and multiple malfunctions hidden danger, reduction production cost of effectively enhancing productivity.
Accompanying drawing explanation
Fig. 1 is the die opening state structural representation of a kind of vacuum low-pressure injection machine of the utility model.
Fig. 2 is status architecture schematic diagram before the injection moulding of a kind of vacuum low-pressure injection machine of the utility model.
Fig. 3 is status architecture schematic diagram in the injection moulding of a kind of vacuum low-pressure injection machine of the utility model.
Fig. 4 is the partial structurtes enlarged drawing ejecting cylinder in Fig. 2.
In figure: 1 is glue melting cylinder, 2 for mould, 3 for electronic component to be packaged, 4 for needle cylinder, 5 for ejecting cylinder, 5-1 is shell, 5-2 is piston, 5-3 is air inlet/outlet, 6 for nozzle, 7 for needle, 8 for sealing ring, 9 for vacuum generator, 10 for angled slide block, 11 for lifting column, 12 for vacuum pipe, 13 for pressing down sealing station.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Fig. 1, Fig. 2 and Fig. 3 show an embodiment of a kind of vacuum low-pressure of the utility model injection machine: a kind of vacuum low-pressure injection machine, comprises injection moulding portion and fixed part, and described injection moulding portion is movably arranged on the top of fixed part by lifting column 11; Described injection moulding portion is made up of glue melting cylinder 1, needle cylinder 4, nozzle 6 and needle 7, described nozzle 6 is connected with glue melting cylinder 1, nozzle 6 hollow and be provided with in tube wall heating circle, injection hole is had in the bottom of nozzle 6, described needle 7 interts in the inside of nozzle 6, under the bottom of needle 7, movement can shut described injection hole, and the top of needle 7 is connected with its needle cylinder 4 moved up and down of control; Described fixed part by mould 2, eject cylinder 5, angled slide block 10 and press down sealing station 13 and form, describedly press down the top that sealing station 13 is arranged on mould 2, described angled slide block 10 supports from below by ejecting cylinder 5, be arranged in mould 2 and the described sealed cavity pressed down between sealing station 13, the top of top place block 10 is used for fixing electronic component 3 to be packaged, when nozzle 6 described after injection moulding subordinate falls is pressed on described electronic component to be packaged 3 through pressing down the rear injection hole of sealing station 13, described sealed cavity is connected to vacuum generator 9 by vacuum pipe 12.
According to a preferred embodiment of a kind of vacuum low-pressure injection machine of the utility model, described mould 2 and describedly press down sealed cavity between sealing station 13 and realize sealing by sealing ring 8, described sealing ring 8 is arranged between mould 2 and the contact surface pressing down sealing station 13, be arranged on below angled slide block 10 and between mould 2 between contact surface.
Fig. 4 shows an another preferred embodiment of a kind of vacuum low-pressure of the utility model injection machine, described needle cylinder 4 is all be made up of a square or columniform shell 5-1 and the piston 5-2 be arranged in shell 5-1 with ejecting cylinder 5, the extraneous two ends described shell 5-1 being positioned at piston 5-2 travel activity are respectively equipped with air inlet/outlet 5-3, only to eject the partial structurtes enlarged drawing of cylinder 5 in figure.
According to another preferred embodiment of a kind of vacuum low-pressure injection machine of the utility model, the injection hole of described nozzle 6 is the cone-shaped of downward evagination, also be the cone-shaped of downward evagination bottom described needle 7, needle 7 moves down on its inwall being just close to cone-shaped injection hole, and the cone-shaped injection hole of downward evagination is more conducive to being filled by injection molding material in electronic component 3 to be packaged
According to another preferred embodiment of a kind of vacuum low-pressure injection machine of the utility model, described glue melting cylinder 1 one-tenth " L " shape, it has high table top and low table, the bottom of glue melting cylinder 1 is provided with preheating device, described needle cylinder 4 is arranged on the low table of glue melting cylinder 1, and glue-pouring device is connected to the high table top of glue melting cylinder 1.
The injection moulding process that the utility model discloses a kind of vacuum low-pressure injection machine is as follows:
Step one, utilizes needle cylinder 4 to control needle 7 and moves down the injection hole tightly suppressed bottom nozzle 6, do not allow injection molding material overflow;
Step 2, separates injection moulding portion and fixed part along lifting column about 11, is fixed on angled slide block 10 by electronic component 3 to be packaged;
Step 3, injection moulding portion and fixed part close up along lifting column about 11 again, ejecting under cylinder 5 cooperation, the injection hole of nozzle 6 is pressed on described electronic component to be packaged 3, and mould 2 and the described sealed cavity formed between sealing station 13 that presses down are in sealing state;
Step 4, the air utilizing vacuum generator 14 to find time in sealed cavity, makes it keep vacuum state;
Step 6, utilize needle cylinder 4 to control needle 7 moves, open the injection hole bottom nozzle 6, the injection molding material in glue melting cylinder 1 is then filled on electronic component 3 to be packaged along nozzle 6, completes injection moulding.
Although be described the utility model with reference to multiple explanatory embodiment of the present utility model here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of, accompanying drawing open in the application and claim, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the distortion carried out building block and/or layout and improving, to those skilled in the art, other purposes also will be obvious.
Claims (5)
1. a vacuum low-pressure injection machine, comprises injection moulding portion and fixed part, it is characterized in that: described injection moulding portion is movably arranged on the top of fixed part by lifting column (11);
Described injection moulding portion is made up of glue melting cylinder (1), needle cylinder (4), nozzle (6) and needle (7), described nozzle (6) is connected with glue melting cylinder (1), nozzle (6) hollow and be provided with in tube wall heating circle, injection hole is had in the bottom of nozzle (6), described needle (7) interts the inside in nozzle (6), under the bottom of needle (7), movement can shut described injection hole, and the top of needle (7) is connected with its needle cylinder (4) moved up and down of control;
Described fixed part is by mould (2), eject cylinder (5), angled slide block (10) and press down sealing station (13) composition, describedly press down the top that sealing station (13) is arranged on mould (2), described angled slide block (10) supports from below by ejecting cylinder (5), be arranged in mould (2) and the described sealed cavity pressed down between sealing station (13), the top at top place block (10) is used for fixing electronic component to be packaged (3), when nozzle (6) described after injection moulding subordinate falls through press down sealing station (13) afterwards injection hole be pressed on described electronic component to be packaged (3), described sealed cavity is connected to vacuum generator (9) by vacuum pipe (12).
2. a kind of vacuum low-pressure injection machine according to claim 1, it is characterized in that: described mould (2) and describedly press down sealed cavity between sealing station (13) and realize sealing by sealing ring (8), described sealing ring (8) be arranged between mould (2) and the contact surface pressing down sealing station (13), be arranged on angled slide block (10) below and between the contact surface between mould (2).
3. a kind of vacuum low-pressure injection machine according to claim 1, it is characterized in that: described needle cylinder (4) and to eject cylinder (5) be all by a square or columniform shell and install piston in the enclosure and form, the extraneous two ends described shell being positioned at piston stroke activity are respectively equipped with air inlet/outlet.
4. a kind of vacuum low-pressure injection machine according to claim 1, it is characterized in that: the injection hole of described nozzle (6) is the cone-shaped of downward evagination, described needle (7) bottom is also the cone-shaped of downward evagination, and needle (7) moves down on its inwall being just close to cone-shaped injection hole.
5. a kind of vacuum low-pressure injection machine according to claim 1 any one, it is characterized in that: described glue melting cylinder (1) becomes " L " shape, it has high table top and low table, the bottom of glue melting cylinder (1) is provided with preheating device, described needle cylinder (4) is arranged on the low table of glue melting cylinder (1), and glue-pouring device is connected to the high table top of glue melting cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520543139.0U CN204977231U (en) | 2015-07-24 | 2015-07-24 | Vacuum low pressure injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520543139.0U CN204977231U (en) | 2015-07-24 | 2015-07-24 | Vacuum low pressure injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204977231U true CN204977231U (en) | 2016-01-20 |
Family
ID=55111643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520543139.0U Expired - Fee Related CN204977231U (en) | 2015-07-24 | 2015-07-24 | Vacuum low pressure injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204977231U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107283782A (en) * | 2016-03-31 | 2017-10-24 | 宜品股份有限公司 | PUR packaging machine |
| CN108215074A (en) * | 2017-12-29 | 2018-06-29 | 重庆市银盛模具有限公司 | It is molded Anti-bubble mold |
| CN113771305A (en) * | 2021-09-24 | 2021-12-10 | 广东柳道热流道系统有限公司 | Gas-assisted runner structure, hot runner system and injection molding method |
-
2015
- 2015-07-24 CN CN201520543139.0U patent/CN204977231U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107283782A (en) * | 2016-03-31 | 2017-10-24 | 宜品股份有限公司 | PUR packaging machine |
| CN108215074A (en) * | 2017-12-29 | 2018-06-29 | 重庆市银盛模具有限公司 | It is molded Anti-bubble mold |
| CN113771305A (en) * | 2021-09-24 | 2021-12-10 | 广东柳道热流道系统有限公司 | Gas-assisted runner structure, hot runner system and injection molding method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20180724 |