CN103386750B - For the injection moulding apparatus in injection machine - Google Patents
For the injection moulding apparatus in injection machine Download PDFInfo
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- CN103386750B CN103386750B CN201310336489.5A CN201310336489A CN103386750B CN 103386750 B CN103386750 B CN 103386750B CN 201310336489 A CN201310336489 A CN 201310336489A CN 103386750 B CN103386750 B CN 103386750B
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Abstract
A kind of for the injection moulding apparatus in injection machine, plasticizing portion (M) and injection part (N) are isolating construction, described injection part (N) comprises injection cylinder (1), injection-tube (2), injection ram (3), described injection ram (3) is placed in the inner chamber (11) of injection cylinder (1), and be connected with drive division by connecting rod, described injection-tube (2) is arranged at the front portion of injection cylinder (1), and the tapping channel (21) in described injection-tube (2) is connected with the inner chamber (11) of injection cylinder (1), the inner chamber (11) of described injection cylinder (1) is connected with the discharge opening (41) of plasticizing portion (M) by through hole (12).Its advantage is: have and melten gel screw rod three sections of parameters can be made not moved axially affect, melten gel pressure curve is stablized, and ensures to realize stable blanking, does not occur the fluctuation of material feeding amount and lower sky material phenomenon, can realize the linear relationship of output and speed simultaneously; And melten gel screw rod and machine barrel retainer shaft line position can be made to fix, ensure machine barrel external heat efficiency and stability, the variability of thermometric and heating and lagging influence drop to minimum.
Description
Technical field
The present invention relates to a kind of injection machine, especially a kind of melten gel is stable, the technology controlling and process linearity is high, for the injection moulding apparatus in injection machine.
Background technology
Existing a kind of patent No. is that CN201220207208.7 name is called that the Chinese utility model patent of " injecting mechanism of high-performance single cylinder injection moulding machine " discloses a kind of injecting mechanism of injection moulding machine, the injecting mechanism of high-performance single cylinder injection moulding machine specifically, it injection moulding cylinder apparatus comprising base, base-mounted screw rod and be arranged on rear side of this screw rod, described spiro rod rear end and cycloid oil motor drive the shaft coupling rotated affixed, and described injection moulding cylinder apparatus makes high speed horizontal rectilinear motion through differential injection band dynamic cycloid oil motor and shaft coupling.Cycloid oil motor is directly connected with screw in injection molding machine by shaft coupling by this invention, and it is shorter that the drive disk assembly of use is less, rotary power transmits distance, and not only structure is simpler, injection precision is higher for it; And when injecting, the piston rod of cylinder apparatus does not rotate, and need not adopt rotatory sealing, can improve sealing property.But, in this mechanism's melten gel extrusion, screw rod has rotatory inertia suddenly not stop, whether extrude and there is randomness, be difficult to reach accurate control, can because the factors vary such as temperature, pressure affect its stability extruded and linearity when melten gel moves axially simultaneously, make to extrude effect undesirable, therefore the structure of this device also needs further improvement.
Summary of the invention
Technical problem to be solved by this invention be provide for above-mentioned prior art present situation that a kind of melten gel is stablized, injection moulding precision is high for the injection moulding apparatus in injection machine.
The present invention solves the problems of the technologies described above adopted technical scheme: this is used for the injection moulding apparatus in injection machine, comprise the injection part passed through that to be connected with the discharge opening in plasticizing portion, it is characterized in that: described plasticizing portion and injection part are isolating construction, described injection part comprises injection cylinder, with the injection-tube that mold injection hole is suitable, injection ram, described injection ram can be placed in the inner chamber of injection cylinder actively, described injection ram is connected with drive division by connecting rod, described injection-tube is arranged at the front portion of injection cylinder, and the intracavity inter-connection of tapping channel in described injection-tube and injection cylinder, the inner chamber of described injection cylinder is connected by the discharge opening of through hole with plasticizing portion.
As improvement, the medial surface of the machine barrel front portion in described plasticizing portion is provided with abaculus, and described abaculus right-hand member is provided with conical cavity, in described injection cylinder the front end geometry of extrusion screw rod and the shape of cavity suitable.
As improvement, the side of the machine barrel front portion in described plasticizing portion is provided with protuberance, and described protuberance is close to mutually with the side of injection cylinder, together with described through hole docks at the place of being close to material hole and is interconnected.
As improvement, the tail end of described injection-tube is the medium position being embedded at injection cylinder front end face, and the tail end of the tapping channel of described injection-tube is by the cavity of injection cylinder and the intracavity inter-connection of injection cylinder.
As improvement, described drive division is hydraulic cylinder or cylinder.
As improvement, described hydraulic cylinder or cylinder carry out control operation by the program control of Servocontrol device.
As improvement, described injection ram can be preferably plunger piston.
As improvement, together with the described machine barrel in plasticizing portion and the injection cylinder of injection part are mutually permanently connected by screw or bolt.
Compared with prior art, the present invention adopts plasticizing portion and injection part to be isolating construction, described injection part comprises injection cylinder, injection-tube, the injection ram suitable with mold injection hole, described injection ram can be placed in the inner chamber of injection cylinder actively, described injection ram is connected with drive division by connecting rod, described injection-tube is arranged at the front portion of injection cylinder, and the intracavity inter-connection of tapping channel in described injection-tube and injection cylinder, the inner chamber of described injection cylinder is connected by the discharge opening of through hole with plasticizing portion.Adopt this structure, one, have and melten gel screw rod three sections of parameters can be made not moved axially affect, melten gel pressure curve is stablized, and ensures to realize stable blanking, does not occur the fluctuation of material feeding amount and lower sky material phenomenon, can realize the linear relationship of output and speed simultaneously; Two, melten gel screw rod and machine barrel retainer shaft line position can be made to fix, and ensure machine barrel external heat efficiency and stability, the variability of thermometric and heating and lagging influence drop to minimum, and the effect of control system is simplified and gives full play to; Three, adopt plasticizing portion and injection part to be isolating construction, effectively improve product accuracy, on current traditional precise injection basis, the effect that bad ratio defective product reduces by 30% can be realized; Four, adopt injection part be isolating construction compared with check valve apparatus, have allowance control accuracy class higher, control effects is also better, and structure is simple, easy to process, effectively can reduce production cost; Further, intensity and security high, easy maintenance, the service life of injection machine also significantly promotes; Five, the medial surface of the machine barrel front portion in plasticizing portion is adopted to be provided with abaculus, described abaculus right-hand member is provided with conical cavity, in described injection cylinder the front end geometry of extrusion screw rod and the shape of cavity suitable, the structure of this design, can make the extrusion screw rod in plasticizing portion and abaculus there is axial inching displacement, control sealing, namely the toe angle by extrusion screw rod realizes sealing, have better seal, sealing effect increases substantially, and reaches qualitative leap degree; Further, it is few that independent injection part has amount of parts, and the simpler influence of change caused melt adhesive runner of structure is also minimum, and the stagnation of plastic cement in runner and attachment impact can be made to drop to minimum; Six, adopt this device in addition, can reach accurate and inject accurately, the internal stress and the surface that reduce plastic products are shrinkage, improve the apparent of goods and shape distortion, size Control accuracy reaches micron order control effects simultaneously, and especially less to plasthetics size, its effect is more obvious.
Accompanying drawing explanation
Fig. 1 is the stereogram of the embodiment of the present invention;
Fig. 2 is the fragmentary cross-sectional view of Fig. 1;
Fig. 3 is the application state figure that the embodiment of the present invention matches with injection mold;
Fig. 4 is the partial sectional view after removing extrusion screw rod in Fig. 2.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in Figures 1 to 4, the present embodiment for the injection moulding apparatus in injection machine, comprise the injection part N passed through that to be connected with the discharge opening 41 of plasticizing portion M, described plasticizing portion M and injection part N is isolating construction, described injection part N comprises injection cylinder 1, with the injection-tube 2 that mold injection hole is suitable, injection ram 3, described injection ram 3 can be placed in the inner chamber 11 of injection cylinder 1 actively, described injection ram 3 is connected with drive division by connecting rod, described injection-tube 2 is arranged at the front portion of injection cylinder 1, and the tapping channel 21 in described injection-tube 2 is connected with the inner chamber 11 of injection cylinder 1, the inner chamber 11 of described injection cylinder 1 is connected by the discharge opening 41 of through hole 12 with plasticizing portion M.Described through hole 12 is arranged on the side of injection cylinder 1, and described through hole 12 is connected with the material hole 42 on machine barrel 4 side being positioned at plasticizing portion M, and junction and the external world of described through hole 12 and material hole 42 are sealed mutually.The side of machine barrel 4 front portion of described plasticizing portion M is provided with protuberance 43, and described protuberance 43 is close to mutually with the side of injection cylinder 1, together with described through hole 12 docks at the place of being close to material hole 42 and is interconnected.The tail end 22 of described injection-tube 2 is for being embedded at the medium position of injection cylinder 1 front end face, and the tail end 22 of the tapping channel 21 of described injection-tube 2 is connected with the inner chamber 11 of injection cylinder 1 by the cavity 13 of injection cylinder 1.Described drive division is hydraulic cylinder or cylinder.Described hydraulic cylinder or cylinder carry out control operation by the program control of Servocontrol device.Described injection ram 3 is plunger piston.Together with the described machine barrel 4 of plasticizing portion M and the injection cylinder 1 of injection part N are mutually permanently connected by screw 5 or bolt.The medial surface of machine barrel 4 front portion of above-mentioned plasticizing portion M is provided with abaculus 44, and described abaculus 44 right-hand member is provided with conical cavity 40, in described injection cylinder 1 front end geometry of extrusion screw rod 6 and the shape of cavity 40 suitable.
Claims (5)
1. one kind for the injection moulding apparatus in injection machine, comprise the injection part (N) passed through that to be connected with the discharge opening of plasticizing portion (M) (41), it is characterized in that: described plasticizing portion (M) and injection part (N) are isolating construction, described injection part (N) comprises injection cylinder (1), the injection-tube (2) suitable with mold injection hole, injection ram (3), described injection ram (3) can be placed in the inner chamber (11) of injection cylinder (1) actively, described injection ram (3) is connected with drive division by connecting rod, described injection-tube (2) is arranged at the front portion of injection cylinder (1), and the tapping channel (21) in described injection-tube (2) is connected with the inner chamber (11) of injection cylinder (1), the inner chamber (11) of described injection cylinder (1) is connected with the discharge opening (41) of plasticizing portion (M) by through hole (12), described through hole (12) is arranged on the side of injection cylinder (1), described through hole (12) is connected with the material hole (42) on machine barrel (4) side being positioned at plasticizing portion (M), and junction and the external world of described through hole (12) and material hole (42) are sealed mutually, the medial surface that the machine barrel (4) of described plasticizing portion (M) is anterior is provided with abaculus (44), described abaculus (44) right-hand member is provided with conical cavity (40), in described injection cylinder (1) front end geometry of extrusion screw rod (6) and the shape of cavity (40) suitable, the tail end (22) of described injection-tube (2) is for being embedded at the medium position of injection cylinder (1) front end face, and the tail end (22) of the tapping channel (21) of described injection-tube (2) is connected with the inner chamber (11) of injection cylinder (1) by the cavity (13) of injection cylinder (1).
2. injection moulding apparatus according to claim 1, is characterized in that: described drive division is hydraulic cylinder or cylinder.
3. injection moulding apparatus according to claim 2, is characterized in that: described hydraulic cylinder or cylinder carry out control operation by the program control of Servocontrol device.
4., according to described injection moulding apparatus arbitrary in claims 1 to 3, it is characterized in that: described injection ram (3) is plunger piston.
5., according to described injection moulding apparatus arbitrary in claims 1 to 3, it is characterized in that: together with the machine barrel (4) of described plasticizing portion (M) and the injection cylinder (1) of injection part (N) are mutually permanently connected by screw (5) or bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310336489.5A CN103386750B (en) | 2013-07-30 | 2013-07-30 | For the injection moulding apparatus in injection machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310336489.5A CN103386750B (en) | 2013-07-30 | 2013-07-30 | For the injection moulding apparatus in injection machine |
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| Publication Number | Publication Date |
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| CN103386750A CN103386750A (en) | 2013-11-13 |
| CN103386750B true CN103386750B (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310336489.5A Active CN103386750B (en) | 2013-07-30 | 2013-07-30 | For the injection moulding apparatus in injection machine |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104494075B (en) * | 2014-12-26 | 2017-01-11 | 广东福能精密机械有限公司 | Self-cleaning plunger type injection device and self-cleaning plunger type injection molding machine |
| DE102016104910A1 (en) * | 2016-03-16 | 2017-09-21 | Ejot Gmbh & Co. Kg | Adjusting spindle arrangement for a linear drive |
Citations (7)
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|---|---|---|---|---|
| WO2009074445A2 (en) * | 2007-12-10 | 2009-06-18 | Zhafir Plastics Machinery | Piston injection unit for an injection molding machine |
| CN101954727A (en) * | 2010-08-17 | 2011-01-26 | 陈志华 | Energy-efficient type injection molding machine |
| CN202114883U (en) * | 2011-05-15 | 2012-01-18 | 东华机械有限公司 | Injection mechanism with ultra-large injection volume |
| CN202318826U (en) * | 2011-11-07 | 2012-07-11 | 广东佳明机器有限公司 | Injection device of screw plunger type injection molding machine |
| CN102909836A (en) * | 2012-08-10 | 2013-02-06 | 泰瑞机器股份有限公司 | Extrusion large-injection amount injection moulding device and use method thereof |
| CN202895632U (en) * | 2012-08-10 | 2013-04-24 | 泰瑞机器股份有限公司 | Squeezing type large-injection quantity injection-molding device |
| CN203438516U (en) * | 2013-07-30 | 2014-02-19 | 浙江华业塑料机械有限公司 | Injection molding device for injection molding machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4404728B2 (en) * | 2004-09-14 | 2010-01-27 | 東海ゴム工業株式会社 | Rubber injection molding apparatus and rubber product manufacturing method |
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2013
- 2013-07-30 CN CN201310336489.5A patent/CN103386750B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009074445A2 (en) * | 2007-12-10 | 2009-06-18 | Zhafir Plastics Machinery | Piston injection unit for an injection molding machine |
| CN101954727A (en) * | 2010-08-17 | 2011-01-26 | 陈志华 | Energy-efficient type injection molding machine |
| CN202114883U (en) * | 2011-05-15 | 2012-01-18 | 东华机械有限公司 | Injection mechanism with ultra-large injection volume |
| CN202318826U (en) * | 2011-11-07 | 2012-07-11 | 广东佳明机器有限公司 | Injection device of screw plunger type injection molding machine |
| CN102909836A (en) * | 2012-08-10 | 2013-02-06 | 泰瑞机器股份有限公司 | Extrusion large-injection amount injection moulding device and use method thereof |
| CN202895632U (en) * | 2012-08-10 | 2013-04-24 | 泰瑞机器股份有限公司 | Squeezing type large-injection quantity injection-molding device |
| CN203438516U (en) * | 2013-07-30 | 2014-02-19 | 浙江华业塑料机械有限公司 | Injection molding device for injection molding machine |
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| CN103386750A (en) | 2013-11-13 |
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Address after: 316032 No. 1 Ligang Road, Xikou Industrial Agglomeration Zone, Jintang Town, Dinghai District, Zhoushan City, Zhejiang Province Patentee after: Zhejiang Huaye Plastic Machinery Co.,Ltd. Address before: 316032 Zhejiang Huaye Plastic Machinery Co., Ltd., 191 Xingang Road, Jintang Town, Dinghai District, Zhoushan City, Zhejiang Province Patentee before: ZHEJIANG HUAYE PLASTICS MACHINERY Co.,Ltd. |