CN207696993U - A kind of electronic single-cylinder injection device of injection molding machine - Google Patents
A kind of electronic single-cylinder injection device of injection molding machine Download PDFInfo
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- CN207696993U CN207696993U CN201721735427.1U CN201721735427U CN207696993U CN 207696993 U CN207696993 U CN 207696993U CN 201721735427 U CN201721735427 U CN 201721735427U CN 207696993 U CN207696993 U CN 207696993U
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Abstract
The utility model provides a kind of electronic single-cylinder injection device of injection molding machine, including rubber melting cylinder, penetrates platform foreboard, penetrate platform pull rod, penetrate platform back plate, screw rod, penetrate plate in platform, feed screw nut, leading screw and injection motor；The front edge of board of penetrating in platform is rotatably arranged with there is a splined shaft；Penetrate on platform foreboard rotatably arranged with have with splined shaft be adapted spline housing；The front end of splined shaft is slideably inserted in spline housing and is connected with the spiro rod rear end；Platform foreboard tool is penetrated there are one support plate, it is fixed there are one melten gel motor on the support plate, it is provided with melten gel driving wheel on the output shaft of the melten gel motor, melten gel driven wheel is provided on spline housing, a melten gel synchronous belt is arranged between melten gel driving wheel and melten gel driven wheel.The melten gel motor of the injection device is not moved with screw rod, and screw position precision is high, firing rate is fast.
Description
Technical field
The utility model is related to a kind of injection device of injection molding machine, more particularly to the electronic single cylinder injection dress of a kind of injection molding machine
It sets.
Background technology
To keep action of injection higher speed more stable and energy saving requirement, existing middle-size and small-size injection molding machine is more and more using electronic
Single-cylinder injection device.If melten gel mechanism during injection or melten gel in the device and screw rod synchronizing moving, at this time because of note
It includes melten gel motor to penetrate mechanism or melten gel mechanism, the two mechanism quality are all bigger, can be produced in screw rod acceleration or deceleration
Raw bigger inertia force so that screw rod cannot reach relatively high positional precision and firing rate, shadow during injection or melten gel
Ring injecting products quality and efficiency.
Number of patent application 201710151902.9 discloses a kind of electric injection device of injection molding machine.Preformed described in text
（That is melten gel）Mechanism include preformed motor, during injection or melten gel with screw rod synchronizing moving.Therefore the device injection or
Screw rod cannot reach relatively high positional precision and firing rate during melten gel.
As it can be seen that the prior art could be improved and improve.
Utility model content
Place in view of above-mentioned deficiencies of the prior art, the purpose of this utility model is to provide a kind of electronic lists of injection molding machine
Cylinder injection device, melten gel motor are not moved with screw rod, and screw position precision is high, firing rate is fast.
In order to achieve the above object, the utility model takes following technical scheme：
A kind of electronic single-cylinder injection device of injection molding machine, including front and back sequentially connected rubber melting cylinder, penetrate platform foreboard, penetrate platform drawing
Bar penetrates platform back plate, the screw rod being slideably inserted in rubber melting cylinder, is slideably sheathed on to penetrate on platform pull rod and penetrates plate in platform,
It is fixed on the feed screw nut for penetrating plate rear end in platform, the leading screw with feed screw nut cooperation transmission, and drive the injection of leading screw rotation
Motor；The front edge of board of penetrating in platform is rotatably arranged with there is a splined shaft；It penetrates on platform foreboard rotatably arranged with having and spline
The adaptable spline housing of axis；The front end of splined shaft is slideably inserted in spline housing and is connected with the spiro rod rear end；Penetrate platform
Foreboard tool is fixed there are one melten gel motor on the support plate there are one support plate, and melten gel master is provided on the output shaft of the melten gel motor
Driving wheel is provided with melten gel driven wheel on spline housing, a melten gel synchronous belt is arranged between melten gel driving wheel and melten gel driven wheel.
In the electronic single-cylinder injection device of the injection molding machine, described penetrate on platform foreboard is further fixed on a cover for seat；The seat
Set is coaxially disposed with spline housing, and internal diameter is more than the outer diameter of spline housing, and axis is realized by melten gel bearing between cover for seat and spline housing
To be relatively fixed, it is circumferential can relative rotation connection.
In the electronic single-cylinder injection device of the injection molding machine, the splined shaft and penetrate in platform reversed by two between plate
The angular contact bearing of setting realize axially opposing fixation, it is circumferential can relative rotation connection.
In the electronic single-cylinder injection device of the injection molding machine, the platform pull rod of penetrating is provided with four, these penetrate platform pull rod
It is symmetrical centered on injection center line.
It is described to penetrate plate in platform and be slideably arranged by two sliding sleeves in the electronic single-cylinder injection device of the injection molding machine
What is be diagonally distributed in wherein two penetrates on platform pull rod.
It is described to penetrate in platform between plate and feed screw nut there are one connections in the electronic single-cylinder injection device of the injection molding machine
Pressure sensor.
In the electronic single-cylinder injection device of the injection molding machine, the leading screw is ball-screw, and the rear part passes through injection shaft
The connection of platform back plate is held and penetrates, its rear end is provided with injection driven wheel；The injection motor, which is fixed on, penetrates platform back plate upper end, output
Axis is provided with injection driving wheel；An injection synchronous belt is arranged between injection driven wheel and injection driving wheel.
In the electronic single-cylinder injection device of the injection molding machine, the rear end of the splined shaft coaxially opens up that there are one blind
Hole, the diameter of blind hole are more than the diameter of the leading screw, and leading screw front end can be inserted into blind hole.
Advantageous effect：
The utility model provides a kind of electronic single-cylinder injection device of injection molding machine, and melten gel motor, which is fixed on, penetrates platform foreboard
Support plate on, the cooperation of spline housing and splined shaft is driven, and screw rod is connected with splined shaft, and melten gel motor is driven by belt gear
Spline housing rotates to drive splined shaft to rotate, and finally screw rod is driven to rotate, and screw rod will not be hindered to be moved forward and backward.Therefore,
Since melten gel motor is not moved with screw rod, additional inertia force, screw position precision will not be generated in screw rod acceleration or deceleration
Height, firing rate are fast.
Description of the drawings
Fig. 1 is the structural schematic diagram of the electronic single-cylinder injection device of injection molding machine provided by the utility model.
Specific implementation mode
The utility model provides a kind of electronic single-cylinder injection device of injection molding machine, to make the purpose of this utility model, technology
Scheme and effect are clearer, clear, and the utility model is further described in the embodiment that develops simultaneously referring to the drawings.It should
Understand, specific embodiment described herein only to explain the utility model, is not used to limit the utility model.
Herein, preceding refers to left side in Fig. 1, after refer to right side in Fig. 1.
Referring to Fig. 1, a kind of electronic single-cylinder injection device of injection molding machine, including front and back sequentially connected rubber melting cylinder 1, She Tai
Foreboard 3 penetrates platform pull rod 9, penetrates platform back plate 11, the screw rod 2 being slideably inserted in rubber melting cylinder, is slideably sheathed on and penetrates platform drawing
Plate 8 in platform are penetrated on bar, are fixed on the feed screw nut 17 for penetrating plate rear end in platform, the leading screw 16 with feed screw nut cooperation transmission, with
And the injection motor 10 of driving leading screw rotation；The front edge of board of penetrating in platform is rotatably arranged with there is a splined shaft 7；Penetrate platform foreboard
On rotatably arranged with have with splined shaft be adapted spline housing 5；The front end of splined shaft 7 is slideably inserted in spline housing 5,
And it is connected with 2 rear end of the screw rod；The tool of platform foreboard 3 is penetrated there are one support plate 3.1, fixed on the support plate 3.1 there are one melten gel motors
19, melten gel driving wheel 20 is provided on the output shaft of the melten gel motor, melten gel driven wheel 6 is provided on spline housing 5, melten gel is actively
It is arranged with a melten gel synchronous belt 21 between wheel and melten gel driven wheel.
The melten gel motor of the injection device is fixed on the support plate for penetrating platform foreboard, and spline housing is driven with splined shaft cooperation, spiral shell
Bar is connected with splined shaft, and melten gel motor drives spline housing rotation to drive splined shaft to rotate by belt gear, finally
It drives screw rod to rotate, and screw rod will not be hindered to be moved forward and backward.Therefore, because melten gel motor is not moved with screw rod, it will not be in spiral shell
Additional inertia force is generated when bar acceleration or deceleration, screw position precision is high, firing rate is fast.Herein, described molten for being fixedly connected
The support plate of glue motor can be integrally disposed upon to penetrate on platform foreboard to can also be removably, and effect is unaffected.
Further, described penetrate on platform foreboard 3 is further fixed on a cover for seat 4；The cover for seat is coaxially disposed with spline housing 5,
Internal diameter is more than the outer diameter of spline housing, realizes that axially opposing fixation, circumferential direction can phases by melten gel bearing 22 between cover for seat and spline housing
Connection to rotation.The structure is conducive to improve the positional precision of spline housing, to improve matching between spline housing and splined shaft
Close precision.
Specifically, the splined shaft 7 and penetrating in platform between plate 8 is realized by two oppositely arranged angular contact bearings 8.1
Axially opposing fixation, it is circumferential can relative rotation connection.Herein, which is set in flower spaced apartly
Key shaft rear end is provided with step-like protrusion on the splined shaft between them, to carry out axial limitings to two angular contact bearings, penetrates
The front end of plate is provided with end cap in platform, deviates to prevent two angular contact bearings.
In the present embodiment, the platform pull rod 9 of penetrating is provided with four, these penetrate platform pull rod with injection center line（That is screw rod, flower
The central axis of key axis and leading screw）Centered on it is symmetrical, to improve the rigidity of device, prevent it from occurring during the work time
Larger radial amplitude.
Preferably, described to penetrate plate 8 in platform and pass through two sliding sleeves（One is only drawn in figure）Slideably it is sheathed on wherein two
What root was diagonally distributed penetrates on platform pull rod 9.Under conditions of the accuracy, stability that plate moves in platform can be ensured to penetrate, its matter is reduced
Amount is conducive to the positional precision and firing rate that improve screw rod to reduce inertia force when acceleration, deceleration.
Further, described to penetrate in platform connection between plate 8 and feed screw nut 17 there are one pressure sensors 18, to survey in real time
Smelting glue back pressure when measuring the injection pressure and melten gel when injection is conducive to improve the dress as the foundation for controlling device work
The safety set, and user can be helped to acquire creation data.
In the present embodiment, the leading screw 16 is ball-screw, and to reduce friction, the rear part is by injecting bearing 12 and She Tai
Back plate 11 connects, and its rear end is provided with injection driven wheel 15；The injection motor 10, which is fixed on, penetrates platform back plate upper end, output shaft
It is provided with injection driving wheel 13；An injection synchronous belt 14 is arranged between injection driven wheel and injection driving wheel.Injection horse
Platform back plate upper end is being penetrated up to setting, is being conducive to the length for shortening equipment, improves compactness, reduce the occupancy in space.
In addition, the rear end of the splined shaft 7 is coaxially opened up there are one blind hole, which is more than the leading screw 16
Diameter, leading screw front end can be inserted into blind hole in.On the one hand the structure can reduce the quality of splined shaft, to reduce inertia force,
Screw position precision and firing rate are further increased, mobile range on the other hand can be increased, advantageously reduces the overall length of equipment
Degree improves compactedness, reduces space hold.
The operation principle of the electronic single-cylinder injection device of the injection molding machine is：When injection, injection motor 10 rotates forward, and passes through
Injection driving wheel 13, injection synchronous belt 14, injection driven wheel 15 drive leading screw 16 to rotate forward.Feed screw nut 17 is matched with leading screw 16
It closes, converts rotating forward for leading screw 16 to the forward movement of feed screw nut 17, by pressure sensor 18, penetrate plate 8 in platform, flower
7 lead-screw 2 of key axis is injected forward.Pressure sensor 18 can measure injection pressure at this time.During injection, melten gel motor 19 stops
Machine is inoperative.When melten gel, the output shaft of melten gel motor 19 rotates, driven by melten gel driving wheel 20, melten gel synchronous belt 21, melten gel
Wheel 6, spline housing 5, splined shaft 7 drive the rotation in the rubber melting cylinder 1 of screw rod 2, sizing material reaction force lead-screw 2 in rubber melting cylinder 1,
Splined shaft 7 is penetrated plate 8 in platform, pressure sensor 18, feed screw nut 17 and is moved backward, until reaching the shift value of setting.
During melten gel, injection motor 10 makes screw rod keep certain back pressure by velocity reversal's rotation of setting.Pressure sensor 18 at this time
Smelting glue back pressure can be measured.It can be seen that during injection or melten gel, melten gel motor 19 does not follow 2 synchronizing moving of screw rod, spiral shell
Bar 2 can reach relatively high positional precision and firing rate during injection or melten gel.
It is understood that for those of ordinary skills, can with technical solution according to the present utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement should all belong to the protection of the utility model
Range.
Claims (8)
1. a kind of electronic single-cylinder injection device of injection molding machine, which is characterized in that including front and back sequentially connected rubber melting cylinder, penetrate platform before
Plate penetrates platform pull rod, penetrates platform back plate, and the screw rod being slideably inserted in rubber melting cylinder is slideably sheathed on and penetrates on platform pull rod
Plate in platform is penetrated, the feed screw nut for penetrating plate rear end in platform is fixed on, the leading screw with feed screw nut cooperation transmission, and driving leading screw turn
Dynamic injection motor；The front edge of board of penetrating in platform is rotatably arranged with there is a splined shaft；Penetrate on platform foreboard rotatably arranged with
There is the spline housing being adapted with splined shaft；The front end of splined shaft be slideably inserted in spline housing and with the spiro rod rear end
It is connected；Platform foreboard tool is penetrated there are one support plate, it is fixed there are one melten gel motor on the support plate, it is arranged on the output shaft of the melten gel motor
There is melten gel driving wheel, melten gel driven wheel is provided on spline housing, one is arranged between melten gel driving wheel and melten gel driven wheel and is melted
Glue synchronous belt.
2. the electronic single-cylinder injection device of injection molding machine according to claim 1, which is characterized in that described to penetrate on platform foreboard also
It is fixed that there are one cover for seat；The cover for seat is coaxially disposed with spline housing, and internal diameter is more than the outer diameter of spline housing, between cover for seat and spline housing
By melten gel bearing realize axially opposing fixation, it is circumferential can relative rotation connection.
3. the electronic single-cylinder injection device of injection molding machine according to claim 1, which is characterized in that the splined shaft and She Tai
Between middle plate by two oppositely arranged angular contact bearings realize axially opposing fixation, it is circumferential can relative rotation connection.
4. the electronic single-cylinder injection device of injection molding machine according to claim 1, which is characterized in that described to penetrate the setting of platform pull rod
There are four, it is symmetrical centered on injection center line that these penetrate platform pull rod.
5. the electronic single-cylinder injection device of injection molding machine according to claim 4, which is characterized in that described to penetrate plate in platform and pass through
Two sliding sleeves be slideably sheathed on wherein two be diagonally distributed penetrate on platform pull rod.
6. the electronic single-cylinder injection device of injection molding machine according to claim 1, which is characterized in that described to penetrate plate and silk in platform
There are one pressure sensors for connection between thick stick nut.
7. the electronic single-cylinder injection device of injection molding machine according to claim 1, which is characterized in that the leading screw is ball wire
Thick stick, the rear part are connect by injecting bearing with platform back plate is penetrated, and its rear end is provided with injection driven wheel；The injection motor is fixed on
Platform back plate upper end is penetrated, output shaft is provided with injection driving wheel；It is arranged with a note between injection driven wheel and injection driving wheel
Penetrate synchronous belt.
8. the electronic single-cylinder injection device of injection molding machine according to claim 1, which is characterized in that the rear end of the splined shaft
It coaxially opens up there are one blind hole, which is more than the diameter of the leading screw, and leading screw front end can be inserted into blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721735427.1U CN207696993U (en) | 2017-12-13 | 2017-12-13 | A kind of electronic single-cylinder injection device of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721735427.1U CN207696993U (en) | 2017-12-13 | 2017-12-13 | A kind of electronic single-cylinder injection device of injection molding machine |
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| Publication Number | Publication Date |
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| CN207696993U true CN207696993U (en) | 2018-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721735427.1U Active CN207696993U (en) | 2017-12-13 | 2017-12-13 | A kind of electronic single-cylinder injection device of injection molding machine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109648809A (en) * | 2018-12-07 | 2019-04-19 | 宁波力松注塑科技有限公司 | A kind of injection molding machine electric injection device |
| CN110039736A (en) * | 2019-05-22 | 2019-07-23 | 苏州立注机械有限公司 | A kind of electric injection machine structure |
| CN110385841A (en) * | 2019-08-27 | 2019-10-29 | 宁波卓益控制技术有限公司 | Low inertia ejecting mechanism for hydraulic cylinder injection molding machine |
| CN110587984A (en) * | 2019-09-23 | 2019-12-20 | 天津勒燕封胥科技有限公司 | Novel micro-injection pump |
-
2017
- 2017-12-13 CN CN201721735427.1U patent/CN207696993U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109648809A (en) * | 2018-12-07 | 2019-04-19 | 宁波力松注塑科技有限公司 | A kind of injection molding machine electric injection device |
| CN110039736A (en) * | 2019-05-22 | 2019-07-23 | 苏州立注机械有限公司 | A kind of electric injection machine structure |
| CN110385841A (en) * | 2019-08-27 | 2019-10-29 | 宁波卓益控制技术有限公司 | Low inertia ejecting mechanism for hydraulic cylinder injection molding machine |
| CN110587984A (en) * | 2019-09-23 | 2019-12-20 | 天津勒燕封胥科技有限公司 | Novel micro-injection pump |
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