CN207509655U - A kind of pneumatic nozzle mechanism of plastic housing production injection molding machine - Google Patents
A kind of pneumatic nozzle mechanism of plastic housing production injection molding machine Download PDFInfo
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- CN207509655U CN207509655U CN201721636293.8U CN201721636293U CN207509655U CN 207509655 U CN207509655 U CN 207509655U CN 201721636293 U CN201721636293 U CN 201721636293U CN 207509655 U CN207509655 U CN 207509655U
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- Prior art keywords
- pneumatic
- preformed
- driven screw
- molding machine
- screw
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Abstract
The utility model discloses a kind of pneumatic nozzle mechanisms of plastic housing production injection molding machine,Including support base and servo motor,The upper surface of the support base is installed with fixing bracket,The support bracket fastened upper surface is installed with servo motor,The left end of the servo motor is axially connected with thread bush,The inside of the thread bush is installed with driven screw,The driving end of the driven screw is connected with displacement governor,The displacement governor is arranged on the rear portion of driven screw,The left end of the driven screw is axially connected with pneumatic plunger,The front of the pneumatic plunger is installed with check (non-return) valve,Using servo motor and driving motor combination driving structure,Injection speed required when nozzle is injected is provided by motor,Injection pressure,Dwell pressure and the accurate of injection volume is controlled etc.,So that whole device has the control of the fully closed circuit of accurate fast positioning function and standardization,With rotating speed height,Response is fast,It is small,Safeguard the advantages that few.
Description
Technical field
The utility model is related to pneumatic nozzle mechanism technical field, specially a kind of plastic housing production injection molding machine it is pneumatic
Nozzle mechanism.
Background technology
In the pneumatic rotary drive device of injection molding machine, pneumatic nozzle mechanism is widely used.In nozzle passage, high pressure gas
Body expands rapidly, and speed increases, so as to fulfill conversion of the high pressure gas from compression energy to kinetic energy.The shape and structure pair of nozzle pipe
The flow behavior and energy loss of fluid influence it is huge, still, current pneumatic nozzle mechanism also there are it is certain the defects of：
（1）Existing pneumatic nozzle mechanism full loop is not closed, and causes pressure control unstable so that the component of injection is used
Expect uneven；
（2）The injector arrangement of existing injection molding machine top installation is for injection volume and injection speed all without the control of precision
System so that the equipment of injection cannot realize quick positioning, while running efficiency is relatively low；
（3）The nozzle system quality of item very little of existing injection molding machine, thus single injection quantization is corresponding less, dissolves
The plastics of state are long other than increasing difficulty to the temperature control system of mold filling process in the long skilful runner residence time, to molten material
Forming Quality can also generate certain influence, while the difficulty of accurate measurement accordingly increases.
Invention content
In order to overcome the shortcomings of prior art, the utility model provides a kind of the pneumatic of plastic housing production injection molding machine
Nozzle mechanism using servo motor and driving motor combination driving structure, is to provide threaded rod shear by servo motor major function
The control for being kneaded power and plasticized screw rotating speed needed for plastics is cut, driving motor major function is to provide nozzle injection when institute
Injection speed, injection pressure, dwell pressure and accurate control to injection volume for needing etc. so that whole device has accurate fast
The control of the fully closed circuit of fast positioning function and standardization has many advantages, such as that rotating speed is high, response is fast, small, it is few to safeguard, can be effective
Solve the problems, such as background technology propose.
Technical solution is used by the utility model solves its technical problem：A kind of gas of plastic housing production injection molding machine
Dynamic nozzle mechanism, including support base and servo motor, the lower surface of the support base is fixedly mounted on the upper surface of engine base, institute
The upper surface for stating support base is installed with fixing bracket, and the support bracket fastened upper surface is installed with servo motor, institute
The left end for stating servo motor is axially connected with thread bush, and the inside of the thread bush is installed with driven screw, described driven
The right end of screw rod is connected with the driving end of servo motor, and the driving end of the driven screw is connected with displacement governor, institute
The rear portion that displacement governor is arranged on driven screw is stated, the left end of the driven screw is axially connected with pneumatic plunger, the gas
The left end of dynamic plunger is embedded on the inner wall of nozzle connecting plate, and the front of the pneumatic plunger is installed with check (non-return) valve, described
The left end of pneumatic plunger is connected with nozzle, and the nozzle is arranged on the left side of nozzle connecting plate, described support bracket fastened
Front is also installed with preformed leading screw, and the driving end of the preformed leading screw is connected with driving motor, and the driving motor is consolidated
Dingan County is on support bracket fastened right side.
As a kind of preferred technical solution of the utility model, the preformed leading screw right end is fixedly connected with mobile stent,
The support bracket fastened front is installed with preformed machine barrel, the left end of the preformed machine barrel and the right side phase of nozzle connecting plate
Connection.
As a kind of preferred technical solution of the utility model, the inside of the preformed machine barrel is installed with preformed spiral shell
Bar, the right end of the preformed screw rod are axially connect with mobile stent, and the outer surface of the preformed machine barrel is also installed with heating
Coil.
As a kind of preferred technical solution of the utility model, the lower surface of the driven screw is supported by driven screw
Block is connected with support link, and the support link is fixedly mounted on the upper surface of engine base.
As a kind of preferred technical solution of the utility model, the both ends of the mobile stent are also installed with stent and lead
Bar, the both ends of the support guide are connected with support bracket fastened inner wall.
As a kind of preferred technical solution of the utility model, the outer surface of the preformed machine barrel is additionally provided with protective cover.
Compared with prior art, the beneficial effects of the utility model are：
（1）The utility model uses servo motor and driving motor combination driving structure, passes through servo motor major function
It is to provide the control of power and plasticized screw rotating speed that screw rod shearing is kneaded needed for plastics, driving motor major function is to provide
Nozzle injection speed required when injecting, injection pressure, dwell pressure and accurate control to injection volume etc. so that entire dress
The fully closed circuit control with accurate fast positioning function and standardization is put, with rotating speed is high, response is fast, small, it is few to safeguard
The advantages that；
（2）The utility model completes the control to injection precision using the differential gearing of helicitic texture, by thread bush
External screw thread is matched with the active nut being fixed on stent, forms the skilful screw thread and driven screw phase of main thread secondary , Luo Pattern sets
Cooperation, forms from screw thread pair, and master and slave two deputy threads pair overlapped in series forms differential screw mechanism, the pitch difference of two screw thread pairs
The junction installation displacement governor of as differential distance, driven screw and injection piston, by displacement governor to driven spiral shell
The displacement measurement of bar is converted to the injection volume of sore material, feeds back to servo motor, the coordination measured and injected.Injection volume
Can be according to different injection-molded items and the demand of Shooting Technique, flexibly setting and adjusting, and pass through displacement governor and quickly do
Go out reaction.Injection precision is improved, can realize the precise high-efficiency molding of plastic products, and simple in structure, easy to operate.
（3）The utility model connects peripheral control unit by displacement governor and handles injection signal, in an injection cycle
During beginning, the injection volume for ironing material is set, peripheral control unit sends out control signal, and pre- molding apparatus is transported to the plastics for dissolving state
In injection flow passage, servo motor starts driving differential thread structure, is by driving screw-casing rotation so as to drive driven screw
To carry out the injection of the molten material of differential gearing, realization precise high-efficiency injection structure.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the preformed barrel configuration schematic diagram of the utility model.
In figure：1- support bases；2- engine bases；3- servo motors；4- thread bush；5- driven screws；6- displacement governors；7- from
Dynamic screw support block；8- support links；9- nozzle connecting plates；10- pneumatic plungers；11- nozzles；12- check (non-return) valves；The pre- molding machines of 13-
Cylinder；14- fixing brackets；15- driving motors；16- moves stent；17- support guides；18- preformed leading screws；19- preformed screw rods；
20- heating coils；21- protective covers.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
The explanation of following embodiment is refer to the attached drawing, can be to the particular implementation implemented to example the utility model
Example.The direction and position term that the utility model is previously mentioned, for example, " on ", " in ", " under ", "front", "rear", "left", "right", "
It is interior ", " outer ", " side " etc., be only the direction and position with reference to annexed drawings.Therefore, the direction and position term used is to use
To illustrate and understand the utility model rather than to limit the utility model.
Embodiment：
As shown in Figure 1, the utility model provides a kind of pneumatic nozzle mechanism of plastic housing production injection molding machine, including branch
Support seat 1 and servo motor 3, the lower surface of the support base 1 be fixedly mounted on the upper surface of engine base 2, the support base 1 it is upper
Surface is installed with fixing bracket 14, and the upper surface of the fixing bracket 14 is installed with servo motor 3, the servo electricity
The left end of machine 3 is axially connected with thread bush 4, and the inside of the thread bush 4 is installed with driven screw 5, the driven screw 5
Right end be connected with the driving end of servo motor 3, the driving end of the driven screw 5 is connected with displacement governor 6, described
Displacement governor 6 is arranged on the rear portion of driven screw 5, and the left end of the driven screw 5 is axially connected with pneumatic plunger 10, described
The lower surface of driven screw 5 is connected by driven screw supporting block 7 with support link 8, and the support link 8 is fixedly mounted on
On the upper surface of engine base 2, the left end of the pneumatic plunger 10 is embedded on the inner wall of nozzle connecting plate 9, the pneumatic plunger 10
Front be installed with check (non-return) valve 12, the left end of the pneumatic plunger 10 is connected with nozzle 11, and the nozzle 11 is arranged on
On the left side of nozzle connecting plate 9, the front of the fixing bracket 14 is also installed with preformed leading screw 18, the preformed leading screw
18 driving end is connected with driving motor 15, and the driving motor 15 is fixedly mounted on the right side of fixing bracket 14, institute
It states 18 right end of preformed leading screw to be fixedly connected with mobile stent 16, the both ends of the mobile stent 16 are also installed with support guide
17, the both ends of the support guide 17 are connected with the inner wall of fixing bracket 14, by the external screw thread of thread bush 4 and are fixed on fixation
Active nut on stent 14 matches, and the skilful screw thread for forming main thread secondary , Luo Pattern set 4 is matched with driven screw 5, formed from
Screw thread pair, master and slave two deputy threads pair overlapped in series form differential screw mechanism, the pitch differences of two screw thread pairs be it is differential away from
From the junction installation displacement governor 6 of driven screw 5 and pneumatic plunger 10, by displacement governor 6 to driven screw 5
Displacement measurement is converted to the injection volume of melt, feeds back to servo motor 3, the coordination measured and injected.Injection volume can
With according to the demand of different injection-molded items and Shooting Technique, flexibly setting and adjusting, and pass through displacement governor and quickly make
Reaction.Injection precision is improved, can realize the precise high-efficiency molding of plastic products, and simple in structure, easy to operate；
As shown in Fig. 2, the front of the fixing bracket 14 is installed with preformed machine barrel 13, a left side for the preformed machine barrel 13
End is connected with the right side of nozzle connecting plate 9, and the inside of the preformed machine barrel 13 is installed with preformed screw rod 19, described pre-
The right end for moulding screw rod 19 is axially connect with mobile stent 16, and the outer surface of the preformed machine barrel 13 is also installed with heating coil
20, the outer surface of the preformed machine barrel 13 is additionally provided with protective cover 21, described.
After one metering stroke starts, precise injection amount is set by displacement governor 6 first, check (non-return) valve 12 is closed, in advance
Modeling screw rod servo motor 3 starts, and after plastic grain is by the fusion plastification in preformed machine barrel 13, then check (non-return) valve 12 is opened,
It is entered in injection flow passage via the control and adjusting of check (non-return) valve 12 under the action of the pressure of preformed screw rod 19；Servo electricity later
Machine 3 drives helicitic texture so that thread bush 4 rotates, and then by the active nut on fixing bracket 14 and drives driven screw 5
Along 8 axial linear movement of support link；The injection installed on last driven spiral shell skilful 5 fills in 10 and molten material is quickly and accurately injected in vain
Into die cavity.Displacement governor 6 judges whether metering terminates at this time, and servo motor 3 stops operating if end is measured；If metering
It is not over, by the displacement sensor displacement signal inside displacement governor 6, is sent in peripheral control unit and is applied to
Injection volume is accurately controlled in differential thread structure, completes the action of injection.
In conclusion the utility model is mainly characterized by：
（1）The utility model uses servo motor and driving motor combination driving structure, passes through servo motor major function
It is to provide the control of power and plasticized screw rotating speed that screw rod shearing is kneaded needed for plastics, driving motor major function is to provide
Nozzle injection speed required when injecting, injection pressure, dwell pressure and accurate control to injection volume etc. so that entire dress
The fully closed circuit control with accurate fast positioning function and standardization is put, with rotating speed is high, response is fast, small, it is few to safeguard
The advantages that；
（2）The utility model completes the control to injection precision using the differential gearing of helicitic texture, by thread bush
External screw thread is matched with the active nut being fixed on stent, forms the skilful screw thread and driven screw phase of main thread secondary , Luo Pattern sets
Cooperation, forms from screw thread pair, and master and slave two deputy threads pair overlapped in series forms differential screw mechanism, the pitch difference of two screw thread pairs
The junction installation displacement governor of as differential distance, driven screw and injection piston, by displacement governor to driven spiral shell
The displacement measurement of bar is converted to the injection volume of sore material, feeds back to servo motor, the coordination measured and injected.Injection volume
Can be according to different injection-molded items and the demand of Shooting Technique, flexibly setting and adjusting, and pass through displacement governor and quickly do
Go out reaction.Injection precision is improved, can realize the precise high-efficiency molding of plastic products, and simple in structure, easy to operate.
（3）The utility model connects peripheral control unit by displacement governor and handles injection signal, in an injection cycle
During beginning, the injection volume for ironing material is set, peripheral control unit sends out control signal, and pre- molding apparatus is transported to the plastics for dissolving state
In injection flow passage, servo motor starts driving differential thread structure, is by driving screw-casing rotation so as to drive driven screw
To carry out the injection of the molten material of differential gearing, realization precise high-efficiency injection structure.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned exemplary embodiment, and
And in the case of the spirit or essential attributes without departing substantially from the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that by containing in the equivalent requirements of the claims is fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
Claims (6)
1. a kind of pneumatic nozzle mechanism of plastic housing production injection molding machine, it is characterised in that：Including support base（1）And servo motor
（3）, the support base（1）Lower surface be fixedly mounted on engine base（2）Upper surface on, the support base（1）Upper surface consolidate
Dingan County is equipped with fixing bracket（14）, the fixing bracket（14）Upper surface be installed with servo motor（3）, the servo electricity
Machine（3）Left end be axially connected with thread bush（4）, the thread bush（4）Inside be installed with driven screw（5）, it is described
Driven screw（5）Right end and servo motor（3）Driving end be connected, the driven screw（5）Driving end and displacement tune
Save device（6）It is connected, the displacement governor（6）It is arranged on driven screw（5）Rear portion, the driven screw（5）Left end
Axially it is connected with pneumatic plunger（10）, the pneumatic plunger（10）Left end be embedded in nozzle connecting plate（9）Inner wall on, it is described
Pneumatic plunger（10）Front be installed with check (non-return) valve（12）, the pneumatic plunger（10）Left end and nozzle（11）It is connected
It connects, the nozzle（11）It is arranged on nozzle connecting plate（9）Left side on, the fixing bracket（14）Front be also fixedly mounted
There is preformed leading screw（18）, the preformed leading screw（18）Driving end and driving motor（15）It is connected, the driving motor（15）
It is fixedly mounted on fixing bracket（14）Right side on.
2. a kind of pneumatic nozzle mechanism of plastic housing production injection molding machine according to claim 1, it is characterised in that：It is described
Preformed leading screw（18）Right end and mobile stent（16）It is fixedly connected, the fixing bracket（14）Front be installed with pre- molding machine
Cylinder（13）, the preformed machine barrel（13）Left end and nozzle connecting plate（9）Right side be connected.
3. a kind of pneumatic nozzle mechanism of plastic housing production injection molding machine according to claim 2, it is characterised in that：It is described
Preformed machine barrel（13）Inside be installed with preformed screw rod（19）, the preformed screw rod（19）Right end and mobile stent（16）
Axial connection, the preformed machine barrel（13）Outer surface be also installed with heating coil（20）.
4. a kind of pneumatic nozzle mechanism of plastic housing production injection molding machine according to claim 1, it is characterised in that：It is described
Driven screw（5）Lower surface pass through driven screw supporting block（7）With support link（8）It is connected, the support link（8）Gu
Dingan County is mounted in engine base（2）Upper surface on.
5. a kind of pneumatic nozzle mechanism of plastic housing production injection molding machine according to claim 2, it is characterised in that：It is described
Mobile stent（16）Both ends be also installed with support guide（17）, the support guide（17）Both ends and fixing bracket
（14）Inner wall be connected.
6. a kind of pneumatic nozzle mechanism of plastic housing production injection molding machine according to claim 2, it is characterised in that：It is described
Preformed machine barrel（13）Outer surface be additionally provided with protective cover（21）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721636293.8U CN207509655U (en) | 2017-11-30 | 2017-11-30 | A kind of pneumatic nozzle mechanism of plastic housing production injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721636293.8U CN207509655U (en) | 2017-11-30 | 2017-11-30 | A kind of pneumatic nozzle mechanism of plastic housing production injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207509655U true CN207509655U (en) | 2018-06-19 |
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ID=62542296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721636293.8U Expired - Fee Related CN207509655U (en) | 2017-11-30 | 2017-11-30 | A kind of pneumatic nozzle mechanism of plastic housing production injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207509655U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109318454A (en) * | 2018-09-20 | 2019-02-12 | 安徽荣明新材料科技有限公司 | A kind of injection moulding apparatus of sunshade limited block |
-
2017
- 2017-11-30 CN CN201721636293.8U patent/CN207509655U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109318454A (en) * | 2018-09-20 | 2019-02-12 | 安徽荣明新材料科技有限公司 | A kind of injection moulding apparatus of sunshade limited block |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180619 Termination date: 20191130 |