CN102126278B - Injection device - Google Patents
Injection device Download PDFInfo
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- CN102126278B CN102126278B CN201010300379.XA CN201010300379A CN102126278B CN 102126278 B CN102126278 B CN 102126278B CN 201010300379 A CN201010300379 A CN 201010300379A CN 102126278 B CN102126278 B CN 102126278B
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- injection
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- driving mechanism
- spline housing
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Abstract
The invention provides an injection device, which comprises a plasticizing component, a front plate of an injection table, a pre-molding drive mechanism, and a rear plate of the injection table, wherein the front plate of the injection table and the rear plate of the injection table are connected to form a rigid integrated framework through a pull rod; the pre-molding drive mechanism is located in the rigid integrated framework, and comprises a driving shaft which is a hollow rotor shaft; the front end of the hollow rotor shaft is fixed with a spline sleeve; the inner part of the spline sleeve is matched with a spline shaft; the front end of the spline shaft is fixed with a centering guide plate which is fixed with a screw rod spline sleeve; the screw rod spline sleeve is matched with an injection screw rod; the front part and the rear part of a coupling are borne through a bearing, and are limited in a cavity of the spline shaft; and the rear end of the coupling is fixed with an injection push rod of an injection driving mechanism. The injection device has the following advantages that: the structure is more compact, the safety coefficient is high, and the response time of the injection can be prolonged.
Description
Technical field
The present invention relates to a part for injection (mo(u)lding) machine, particularly the injection device of injection moulding machine.
Background technology
The injection device of existing injection machine is divided and is generally comprised injection member, preformed parts and Plasticized component by function of injection.Wherein injection member can select oil cylinder as executing agency, also can select ball-screw as executing agency; Preformed parts can be selected oil motor to realize and rotatablely move, and also can select servomotor to realize and rotatablely move.Also comprise and fix after these mechanisms use penetrate platform header board and penetrate platform plate etc.
Existing injection device comprises Plasticized component, penetrates platform header board, preformed driving mechanism, inject driving mechanism, penetrate plate after platform, preformed driving mechanism and injection driving mechanism are generally all arranged on to be penetrated after platform on plate and preformed driving mechanism and injection driving mechanism interlock, during injection, can drive whole preformed driving mechanism motion, whole like this injection device complicated structure, but also movement inertia is large, response time is long, also dangerous.
Summary of the invention
Technical problem to be solved by this invention is that injection device simple in structure, that operation is convenient, the response time is short, security is good is provided for the state of the art.
The present invention solves the problems of the technologies described above adopted technical scheme:
Injection device, comprise Plasticized component, penetrate platform header board, preformed driving mechanism, injection driving mechanism, penetrate plate after platform, it is characterized in that: after penetrating platform header board and penetrating platform, plate connects into a rigid unitary framework by pull bar, preformed driving mechanism is positioned at rigid unitary framework, preformed driving mechanism comprises driving shaft, driving shaft is hollow rotor shaft, hollow rotor shaft front end and spline housing are fixed, in spline housing, coordinate with splined shaft, splined shaft front end and centering pilot plate are fixed, centering pilot plate and screw rod spline housing are fixed, screw rod spline housing coordinates with injection screw, before and after shaft coupling, by bearing, support and be limited in splined shaft aerial, shaft coupling rear end is fixed with the injection catch bar of injection driving mechanism.
Above-mentioned injection driving mechanism provides power by injection catch bar for injection screw advances, multi-form injection driving mechanism has the different mechanisms that realizes, and while being injection cylinder as injection driving mechanism, its injection catch bar is piston rod.
Above-mentioned injection device is different with the driving mechanism that adopts of injection according to preformed, and one-tenth various structures capable of being combined, can combine as required, as: injection ball-screw adds servomotor, and preformed is helped DYN dynamic injection device with servomotor is capable of being combined
As injection ball-screw adds servomotor, the injection device of the electric-hydraulic combined formula of oil motor one-tenth capable of being combined for preformed.
As injection oil cylinder is realized, the injection device of the electric-hydraulic combined formula of servomotor one-tenth capable of being combined for preformed.
As injection oil cylinder is realized, the injection device of oil motor one-tenth full hydraulic capable of being combined for preformed.
Compared with prior art, the invention has the advantages that:
The rotating shaft of preformed mechanism is designed to hollow, the injection rod of injection mechanism and the connection between injection screw can connect by the hollow part of rotating shaft, the injection motive force of injection mechanism just can be delivered on injection screw by the hollow of rotating shaft, so structure is more succinct.
In addition, injection process does not need to drive whole preformed driving mechanism motion, and injection device does not have relative motion from the appearance, be inactive state, so safety coefficient is high; And in injection process, other normal injection device is light relatively for the weight of the moving component of device, the movement inertia of injection can be smaller, can improve the response time of injection.
Accompanying drawing explanation
Fig. 1 is the stereogram of the embodiment of the present invention.
Fig. 2 is the structural representation of the embodiment of the present invention.
Fig. 3 is embodiment of the present invention centering figure.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
As shown in Figure 1, injection device, comprises Plasticized component 31, penetrates platform header board 32, preformed driving mechanism 33, penetrates plate 34 after platform, injection driving mechanism 35.
As shown in Figure 2, after penetrating platform header board 32 and penetrating platform, plate 34 is fixed into one by injection pull bar 12 between the two, after preformed driving mechanism 33 is fixed on and penetrates platform header board 32 and penetrate platform between plate 3.
Plasticized component 31 comprises machine barrel seat 1, machine barrel 2, injection screw 3, and it is identical with existing structure.
Preformed driving mechanism 33 comprises screw rod semi-ring 4, screw rod spline housing 5, centering pilot plate 6, splined shaft 8, spline housing 9, shaft coupling 10, servomotor 11, seal cover 13.
In the present embodiment, preformed driving mechanism 33 adopts servomotor 11, and injection driving mechanism 35 adopts injection cylinder 15.
As shown in Figure 2, the armature spindle 18 of the servomotor 11 that preformed driving mechanism is used is hollow, and its armature spindle 18 is outer be stator, stator front end with penetrate platform header board 32 and be connected by screw in one, together with stator rear end is connected by screw with seal cover 13, thus that servomotor 11 is fixing.
Armature spindle 18 front ends and the spline housing 9 of above-mentioned servomotor are linked together by screw, in spline housing 9, coordinate with splined shaft 8, splined shaft 8 front ends and centering pilot plate 6 are fixing, centering pilot plate 6 is fixed by screw with screw rod spline housing 5, screw rod spline housing 5 coordinates with injection screw 3 and is fixing by screw rod semi-ring 4, can pass through spline housing 9, splined shaft 8,5 drive injection screws 3 rotations of screw rod spline housing when hollow rotor shaft 18 is rotated like this.
Above-mentioned shaft coupling 10 front portions are supported and are arranged in splined shaft 8 by thrust force aligning bearing 14 by 7 supportings of circular cone roller bearing, rear portion, and shaft coupling 10 front ends limit circular cone roller bearing 7 by nut, and the piston rod 16 of rear end and injection cylinder 15 is fixing.
Hollow rotor shaft 18 rear portions of above-mentioned servomotor 11 are sealed by seal cover 13, at splined shaft 8 front ends, centering pilot plate 6 is installed, penetrating 6 of platform header board 32 rear end faces and centering pilot plates is sealed by sealing ring 19, motor hollow rotor shaft 18 inside form the space of a sealing thus, can apply oil in seal cavity, guarantee that motor and servomotor can not damage, as shown in Figure 2.
Above-mentioned centering pilot plate concrete structure as shown in Figure 3, after its front end is located by boss 61 and screw rod spline housing 5 grooves, be connected by screw, its rear end is also by after boss 62 and splined shaft 8 Internal hole positionings, be connected by screw, groove on the boss of rear end 64 is tight by mounting O-shaped sealing ring 20 and splined shaft 8 inner sealings, wear-resistant guiding sealing ring and wear-resisting O RunddichtringO is installed and is penetrated platform header board 32 inner sealings tight on centering pilot plate 6 periphery grooves 63, reaches sealing effectiveness.
Above-mentioned centering pilot plate 6 also, by being arranged on wear-resistant guiding sealing ring on centering pilot plate and penetrating that platform header board 32 is inner to be coordinated, is shown in Fig. 2, plays certralizing ability, while guaranteeing injection screw rotation in center situation.
Above-mentioned injection driving mechanism comprises injection cylinder 15, and its piston rod 16 is fixing with shaft coupling 10.
The implementation of above-mentioned its action of injection of injection device is: injection cylinder 15 is applied to shaft coupling 10 by its piston rod 16, by thrust force aligning bearing 14 as shown in Figure 2, be applied on splined shaft 8 again, splined shaft 8 promotes centering pilot plate 6 rectilinear motions under the guide effect of spline housing 9, guide plate 6 promotes injection screw 3 by screw rod spline housing 5 again and advances, and realizes action of injection.
Penetrating the mode of moving back realization is: injection cylinder 15 pulls shaft coupling 10 to retreat by its piston rod 16, by the circular cone roller bearing 7 as in Fig. 2, be applied on splined shaft 8 again, splined shaft 8 direct pull centering pilot plate 6 under the guide effect of spline housing 9 retreats and drives injection screw 3 to retreat again, and realizes and penetrates deactuate work.
The mode that preformed is realized is: during 11 work of hollow servomotor, during 18 rotation of servomotor hollow rotor shaft, drive spline housing 9 to rotate, spline by spline housing 9 drives splined shaft 8 to rotatablely move again, splined shaft 8 drives screw rod spline housing 5 to realize by centering pilot plate 6 again and rotatablely moves, thereby realized screw rod spline housing 5, drive injection screw 3 to rotate, complete plasticizing action.
Above-mentioned hollow servomotor 11 mainly provides revolving force to injection screw, therefore also can provide the related device of revolving force to replace by hydraulic motor or other.
It act as above-mentioned injection cylinder 15 to injection screw 3 motive force is provided, and also can directly with linear electric motors or ball-screw, add servomotor and replace, and realizes function of injection.
Claims (3)
1.
injection device, comprise Plasticized component, penetrate platform header board, preformed driving mechanism, injection driving mechanism, penetrate plate after platform, it is characterized in that: after penetrating platform header board and penetrating platform, plate connects into a rigid unitary framework by pull bar, preformed driving mechanism is positioned at rigid unitary framework, preformed driving mechanism comprises driving shaft, driving shaft is hollow rotor shaft, hollow rotor shaft front end and spline housing are fixed, in spline housing, coordinate with splined shaft, splined shaft front end and centering pilot plate are fixed, centering pilot plate and screw rod spline housing are fixed, screw rod spline housing coordinates with injection screw, before and after shaft coupling, by bearing, support and be limited in splined shaft aerial, shaft coupling rear end is fixed with the injection catch bar of injection driving mechanism, wherein, described centering pilot front edge of board is located by boss and screw rod spline housing groove, and its rear end is by boss and splined shaft Internal hole positioning, and the groove on the boss of rear end is by installing sealing ring and splined shaft inner sealing.
2.
injection device according to claim 1, is characterized in that: the rear portion of described hollow rotor shaft, by seal cap sealing, is penetrated between the inner surface of platform header board and centering pilot plate and sealed by sealing ring.
3.
injection device according to claim 1 and 2, is characterized in that: described shaft coupling front portion is supported by thrust force aligning bearing by the supporting of circular cone roller bearing, rear portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010300379.XA CN102126278B (en) | 2010-01-17 | 2010-01-17 | Injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010300379.XA CN102126278B (en) | 2010-01-17 | 2010-01-17 | Injection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102126278A CN102126278A (en) | 2011-07-20 |
| CN102126278B true CN102126278B (en) | 2014-10-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010300379.XA Active CN102126278B (en) | 2010-01-17 | 2010-01-17 | Injection device |
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| CN (1) | CN102126278B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104467270A (en) * | 2013-09-12 | 2015-03-25 | 宁波创基机械有限公司 | Drive structure of ball screw of injection molding machine |
| JP6367095B2 (en) * | 2014-11-21 | 2018-08-01 | 住友重機械工業株式会社 | Injection device |
| CN107498018A (en) * | 2017-09-30 | 2017-12-22 | 昆山盛事达机械有限公司 | The preposition screw rod rotating device of semi-solid magnesium alloy injection (mo(u)lding) machine |
| CN107756746B (en) * | 2017-11-01 | 2023-11-17 | 伯乐智能装备股份有限公司 | Single-cylinder injection mechanism of injection molding machine |
| CN109049569A (en) * | 2018-09-21 | 2018-12-21 | 宁波力劲机械有限公司 | A kind of injection mechanism of electric injection molding machine |
| CN112092314A (en) * | 2020-09-07 | 2020-12-18 | 珠海格力智能装备有限公司 | Injection molding mechanism |
| CN113580509A (en) * | 2021-06-15 | 2021-11-02 | 谢科珂 | Hollow motor low-injection-inertia single-cylinder injection mechanism |
| CN114055738A (en) * | 2021-12-22 | 2022-02-18 | 广东台进智能装备股份有限公司 | Single-cylinder high-speed injection platform of injection molding machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1134875A (en) * | 1995-01-27 | 1996-11-06 | 住友重机械工业株式会社 | injection apparatus for electric injection molding machine |
| CN1272814A (en) * | 1998-06-16 | 2000-11-08 | 住友重机械工业株式会社 | Injection molding machine |
| CN2576459Y (en) * | 2002-11-11 | 2003-10-01 | 宁波海天股份有限公司 | Injection device of injection moulder |
| CN2640728Y (en) * | 2003-09-05 | 2004-09-15 | 夏善海 | Single cylinder injection mechanism of injection moulding machine |
-
2010
- 2010-01-17 CN CN201010300379.XA patent/CN102126278B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1134875A (en) * | 1995-01-27 | 1996-11-06 | 住友重机械工业株式会社 | injection apparatus for electric injection molding machine |
| CN1272814A (en) * | 1998-06-16 | 2000-11-08 | 住友重机械工业株式会社 | Injection molding machine |
| CN2576459Y (en) * | 2002-11-11 | 2003-10-01 | 宁波海天股份有限公司 | Injection device of injection moulder |
| CN2640728Y (en) * | 2003-09-05 | 2004-09-15 | 夏善海 | Single cylinder injection mechanism of injection moulding machine |
Non-Patent Citations (2)
| Title |
|---|
| JP昭59-26236A 1984.02.10 |
| JP特开平6-91709A 1994.04.05 |
Also Published As
| Publication number | Publication date |
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| CN102126278A (en) | 2011-07-20 |
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