CN204936098U - A kind of injection device of injection machine - Google Patents
A kind of injection device of injection machine Download PDFInfo
- Publication number
- CN204936098U CN204936098U CN201520598597.4U CN201520598597U CN204936098U CN 204936098 U CN204936098 U CN 204936098U CN 201520598597 U CN201520598597 U CN 201520598597U CN 204936098 U CN204936098 U CN 204936098U
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- CN
- China
- Prior art keywords
- injection
- oil pocket
- repairing
- injection cylinder
- drive link
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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.)
- Expired - Fee Related
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- Injection Moulding Of Plastics Or The Like (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model discloses a kind of injection device of injection machine, power transmission shaft comprises connecting portion and drive link, connecting portion is fixedly connected with melten gel motor, injection ram end face offers the counterbore stretched into for drive link, spline housing is provided with between drive link and counterbore, drive link, spline housing and counterbore surround airtight repairing oil pocket, drive link is provided with repairing runner, repairing runner one end is connected with repairing oil pocket, the other end of repairing runner is connected with rear oil pocket, injection cylinder bonnet is provided with the first hydraulic fluid port be connected with rear oil pocket, injection cylinder barrel is provided with the second hydraulic fluid port be connected with front oil pocket, its advantage is that injection and melten gel action can concentrate on single oil cylinder and complete by this structure, and part is few, alignment good, front oil pocket, rear oil pocket and repairing oil pocket are injection ram and provide the hydraulic oil promoting it and move forward and backward in injection cylinder barrel, and repairing is synchronously carried out, and oil pocket does not have negative pressure, and action is fast, and repeatable accuracy is high.
Description
Technical field
The utility model relates to injection machine field, especially relates to a kind of injection device of injection machine.
Background technology
Injection device is the important component part of injection machine, conventional injection device for injection molding machine is double injection cylinder, comprise and penetrate title plate, two glue injection oil cylinder assembly and melt adhesive component, two glue injection oil cylinder assemblies are symmetricly set on respectively penetrates title plate both sides, often organize glue injection oil cylinder assembly and comprise injection cylinder barrel, be movably arranged on the injection ram assembly in injection cylinder barrel and be arranged on injection cylinder protecgulum and the injection cylinder bonnet at injection cylinder barrel two ends, melt adhesive component comprises power transmission shaft, injection seat and drive motor, power transmission shaft one end is fixed on to be penetrated on title plate, the other end of power transmission shaft passes injection seat and is fixedly connected with drive motor, injection ram assembly comprises the injecting piston rod that injection ram is fixedly connected with injection ram with one end, the other end of injecting piston rod is fixed on injection seat.One end of injection cylinder barrel is provided with the first hydraulic fluid port, and the other end of injection cylinder barrel is provided with the second hydraulic fluid port, and when the first hydraulic fluid port oil-feed, pressure oil promotes injection ram and injecting piston rod and drives the injection seat action that moves right to take out glue action; When the second hydraulic fluid port oil-feed, pressure oil promotion injection ram and injecting piston rod drive injection seat to be moved to the left and make action of injection; Motor rotarily drives power transmission shaft rotation and does melten gel action.As can be seen here, adopt the injection device of this structure, although achieve the injection of injection machine, take out glue and melten gel action, but there is following problem in this structure: 1. power transmission shaft and two groups of injection ram components distributions are on three axles, injection and melten gel action separate, easily there is action asynchrony phenomenon in disalignment; 2. adopt the injection device of this structure, number of parts is many, causes processing cumulative errors large.
For the problems referred to above, people have made some improvements, the utility model patent being 201320411294.8 as China Patent No. discloses a kind of injection machine injection cylinder, comprise injection seat, melten gel motor, injection cylinder, be slidably arranged in the injection ram in this injection cylinder, seal the front end housing and back cylinder cover that are fixed on before and after injection cylinder, also comprise one end and this melten gel motors rotates the power transmission shaft be arranged in back cylinder cover, the splined shaft be coaxially fixedly linked with this power transmission shaft other end, the end face of injection ram has the counterbore that applicable spline housing is fixing, this counterbore bottom surface has the blind hole with splined shaft matched in clearance, spline housing and splined shaft form rolling spline pair.In the course of work, not only injection ram in the injection machine injection cylinder of this structure can realize hybrid motion, axially slides but also rotates, thus make injection machine realize injection and melten gel action simultaneously, and injection ram and drive link are coaxially arranged, there is the advantage that coaxial performance is good; Compared to the injection mechanism of double injection cylinder, there is the advantage that part is few.But there is the defect that negative pressure, action are comparatively slow, repeatable accuracy is lower in the oil pocket of the injection machine injection cylinder of this kind of structure.
Summary of the invention
Technical problem to be solved in the utility model is to provide the injection device that injection and melten gel action can be concentrated on the injection machine that single oil cylinder completes that a kind of repairing is synchronously carried out, oil pocket does not have negative pressure, action is fast and repeatable accuracy is high.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of injection device of injection machine, comprise injection cylinder, melten gel motor, power transmission shaft, be slidably arranged in the injection ram in described injection cylinder, described injection cylinder is divided into closed front oil pocket and rear oil pocket by described injection ram, described injection cylinder comprises injection cylinder barrel, sealing is fixed on injection cylinder protecgulum and the injection cylinder bonnet at described injection cylinder barrel two ends, described power transmission shaft comprises connecting portion and drive link, described connecting portion is fixedly connected with described melten gel motor, described injection ram end face offers the counterbore stretched into for described drive link, spline housing is provided with between described drive link and described counterbore, described drive link, described spline housing and described counterbore surround airtight repairing oil pocket, described drive link is provided with repairing runner, described repairing runner one end is connected with described repairing oil pocket, the other end of described repairing runner is connected with described rear oil pocket, described injection cylinder bonnet is provided with the first hydraulic fluid port be connected with described rear oil pocket, described injection cylinder barrel is provided with described before the second hydraulic fluid port of being connected of oil pocket.
Described drive link is provided with flange, in injection cylinder bonnet described in described flange embeds and the first described hydraulic fluid port is positioned at the top of described flange, described repairing runner comprises the shaft orientation flowing channel being axially disposed within described drive link center, described flange is provided with along its circumferencial direction the radial flow path that many equally distributed with described shaft orientation flowing channels are connected, when the flange described in described melten gel motor driving rotates, described radial flow path passes through the first described hydraulic fluid port successively.When the oil-feed of repairing oil pocket, hydraulic oil flows into shaft orientation flowing channel by many radial flow path and enters repairing oil pocket, ensures that hydraulic oil enters the pressure needed for repairing oil pocket, makes hydraulic oil enter repairing oil pocket smoothly; When repairing oil pocket draining, the hydraulic oil in repairing oil pocket flows into many radial flow path by shaft orientation flowing channel and flows out, and ensures that repairing oil pocket can draining fast.
Described radial flow path is 6.Hydraulic oil inflow/outflow repairing as far as possible fast and effectively oil pocket can be ensured.
The connecting portion of described power transmission shaft is fixed on described injection cylinder bonnet by thrust bearing and alignment bearing.
Described injection cylinder bonnet is provided with motor base, and described melten gel motor is fixed on described motor base.
Compared with prior art, the utility model has the advantage of because the drive link of power transmission shaft of the present utility model, spline housing and counterbore surround airtight repairing oil pocket, drive link is provided with repairing runner, repairing runner one end is connected with repairing oil pocket, the other end of repairing runner is connected with rear oil pocket, injection cylinder bonnet is provided with the first hydraulic fluid port be connected with rear oil pocket, injection cylinder barrel is provided with the second hydraulic fluid port be connected with front oil pocket; When the first hydraulic fluid port oil-feed, the rear oil pocket feed liquor force feed in injection cylinder, the repairing runner of hydraulic oil through power transmission shaft inside enters in repairing oil pocket simultaneously, and now injection ram moves to injection cylinder protecgulum and makes action of injection; When the second hydraulic fluid port feed liquor force feed, the front oil pocket feed liquor force feed in injection cylinder, the hydraulic oil in repairing oil pocket is returned through the second hydraulic fluid port by repairing runner, and now injection ram moves to injection cylinder bonnet and takes out glue action; Melten gel motor drives drive link to drive injection ram to rotate and does melten gel action.Its advantage is as follows:
1. because drive link, spline housing and counterbore surround airtight repairing oil pocket, and power transmission shaft is provided with the repairing runner be connected with rear oil pocket with repairing oil pocket respectively, therefore not only front oil pocket and rear oil pocket are that injection ram provides the hydraulic oil promoting it and move forward and backward in injection cylinder barrel to this structure, and repairing oil pocket also promotes its hydraulic oil movable in injection cylinder barrel for injection ram provides, thus reach repairing and synchronously carry out, make there is no negative pressure in oil pocket, make injection ram action fast and repeatable accuracy is high.
2. this structure adopts and is all assemblied on same injection cylinder barrel by injection ram, power transmission shaft and melten gel motor etc., has the advantage that part is few, alignment good, processing cumulative errors are little, also ensures that injection and melten gel action concentrate on single oil cylinder and completes.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the sectional view of power transmission shaft in the utility model;
Fig. 3 is the sectional view of the flange in the utility model on power transmission shaft.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
Embodiment, as shown in Figure 1, a kind of injection device of injection machine, comprise injection cylinder, melten gel motor 1, power transmission shaft 2, be slidably arranged in the injection ram 3 in injection cylinder, injection cylinder is divided into closed front oil pocket 4 and rear oil pocket 5 by injection ram 3, injection cylinder comprises injection cylinder barrel 6, sealing is fixed on injection cylinder protecgulum 7 and the injection cylinder bonnet 8 at injection cylinder barrel 6 two ends, power transmission shaft 2 comprises connecting portion 9 and drive link 10, connecting portion 9 is fixedly connected with melten gel motor 1, injection ram 3 end face offers the counterbore 11 stretched into for drive link 10, spline housing 12 is provided with between drive link 10 and counterbore 11, drive link 10, spline housing 12 and counterbore 11 surround airtight repairing oil pocket 13, drive link 10 is provided with repairing runner, repairing runner one end is connected with repairing oil pocket 13, the other end of repairing runner is connected with rear oil pocket 5, injection cylinder bonnet 8 is provided with the first hydraulic fluid port 14 be connected with rear oil pocket 5, injection cylinder barrel 6 is provided with the second hydraulic fluid port 15 be connected with front oil pocket 4.
In this particular embodiment, as shown in Figures 2 and 3, drive link 10 is provided with flange 16, flange 16 embeds in injection cylinder bonnet 8 and the first hydraulic fluid port 14 is positioned at the top of flange 16, repairing runner comprises the shaft orientation flowing channel 17 being axially disposed within drive link 10 center, flange 16 is provided with many equally distributed radial flow path 18 be connected with shaft orientation flowing channel 17 along its circumferencial direction, and when melten gel motor 1 drives flange 16 to rotate, radial flow path 18 is successively through the first hydraulic fluid port 14.
In this particular embodiment, radial flow path 18 is 6.
In this particular embodiment, the connecting portion 9 of power transmission shaft 2 is fixed on injection cylinder bonnet 8 by thrust bearing 19 and alignment bearing 20.
In this particular embodiment, injection cylinder bonnet 8 is provided with motor base 21, melten gel motor 1 is fixed on motor base 21.
Operation principle:
When the first hydraulic fluid port 14 oil-feed, rear oil pocket 5 feed liquor force feed in injection cylinder, simultaneously hydraulic oil flows through shaft orientation flowing channel 17 by radial flow path 18 and enters in repairing oil pocket 13, and the hydraulic oil in rear oil pocket 5 and the hydraulic oil in repairing oil pocket 13 promote injection ram 3 simultaneously and moves to injection cylinder protecgulum 7 and make action of injection; Now melten gel motor 1 drives drive link 10 to drive injection ram 3 to rotate and does melten gel action.When the second hydraulic fluid port 15 feed liquor force feed, front oil pocket 4 feed liquor force feed in injection cylinder, injection ram 3 moves to injection cylinder bonnet 8 by thrust, the effect of being stressed of hydraulic oil in repairing oil pocket 13 flows through radial flow path 18 by shaft orientation flowing channel 17 and returns through the second hydraulic fluid port 15, hydraulic oil in rear oil pocket 5 returns through the second hydraulic fluid port 15, and now injection ram 3 continues to move to injection cylinder bonnet 8 to take out glue action.
Claims (5)
1. the injection device of an injection machine, comprise injection cylinder, melten gel motor, power transmission shaft, be slidably arranged in the injection ram in described injection cylinder, described injection cylinder is divided into closed front oil pocket and rear oil pocket by described injection ram, described injection cylinder comprises injection cylinder barrel, sealing is fixed on injection cylinder protecgulum and the injection cylinder bonnet at described injection cylinder barrel two ends, it is characterized in that described power transmission shaft comprises connecting portion and drive link, described connecting portion is fixedly connected with described melten gel motor, described injection ram end face offers the counterbore stretched into for described drive link, spline housing is provided with between described drive link and described counterbore, described drive link, described spline housing and described counterbore surround airtight repairing oil pocket, described drive link is provided with repairing runner, described repairing runner one end is connected with described repairing oil pocket, the other end of described repairing runner is connected with described rear oil pocket, described injection cylinder bonnet is provided with the first hydraulic fluid port be connected with described rear oil pocket, described injection cylinder barrel is provided with described before the second hydraulic fluid port of being connected of oil pocket.
2. the injection device of a kind of injection machine according to claim 1, it is characterized in that described drive link is provided with flange, in injection cylinder bonnet described in described flange embeds and the first described hydraulic fluid port is positioned at the top of described flange, described repairing runner comprises the shaft orientation flowing channel being axially disposed within described drive link center, described flange is provided with along its circumferencial direction the radial flow path that many equally distributed with described shaft orientation flowing channels are connected, when the flange described in described melten gel motor driving rotates, described radial flow path passes through the first described hydraulic fluid port successively.
3. the injection device of a kind of injection machine according to claim 2, is characterized in that described radial flow path is 6.
4. the injection device of a kind of injection machine according to claim 1, is characterized in that the connecting portion of described power transmission shaft is fixed on described injection cylinder bonnet by thrust bearing and alignment bearing.
5. the injection device of a kind of injection machine according to claim 1, it is characterized in that described injection cylinder bonnet is provided with motor base, described melten gel motor is fixed on described motor base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520598597.4U CN204936098U (en) | 2015-08-10 | 2015-08-10 | A kind of injection device of injection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520598597.4U CN204936098U (en) | 2015-08-10 | 2015-08-10 | A kind of injection device of injection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204936098U true CN204936098U (en) | 2016-01-06 |
Family
ID=55003551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520598597.4U Expired - Fee Related CN204936098U (en) | 2015-08-10 | 2015-08-10 | A kind of injection device of injection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204936098U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220032520A1 (en) * | 2020-07-28 | 2022-02-03 | The Japan Steel Works, Ltd. | Injection apparatus |
-
2015
- 2015-08-10 CN CN201520598597.4U patent/CN204936098U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220032520A1 (en) * | 2020-07-28 | 2022-02-03 | The Japan Steel Works, Ltd. | Injection apparatus |
| US11826938B2 (en) * | 2020-07-28 | 2023-11-28 | The Japan Steel Works, Ltd. | Injection apparatus |
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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 |
Granted publication date: 20160106 Termination date: 20190810 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |