CN108927966A - high-performance injection moulding machine - Google Patents
high-performance injection moulding machine Download PDFInfo
- Publication number
- CN108927966A CN108927966A CN201710618863.9A CN201710618863A CN108927966A CN 108927966 A CN108927966 A CN 108927966A CN 201710618863 A CN201710618863 A CN 201710618863A CN 108927966 A CN108927966 A CN 108927966A
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- Prior art keywords
- screw
- injection
- drive shaft
- ball
- screw rod
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
- B29C45/50—Axially movable screw
- B29C45/5008—Drive means therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
- B29C45/50—Axially movable screw
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
- B29C45/58—Details
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention provides a kind of electronic injecting mechanism of high-performance and a kind of injection moulding machine, including a screw rod；One screw drive shaft, screw drive shaft include ball spline and nut；One ball-screw or a planetary roller screw；With an axially directed mechanism.Adapted to injection system and injection molding machine provided by the invention, when executing action of injection, the component for needing to move is few, the only mechanisms such as screw rod, screw drive shaft, and other drivings and transmission parts do not axially move with action of injection, the light weight of system, movement inertia greatly reduce when injection movement, therefore response speed, the precision of action of injection all greatly improve, while being greatly reduced driving power.
Description
Technical field
The invention belongs to plastic applications, are related to a kind of electrodynamic type adapted to injection system and packet used in injection moulding machine etc.
Injection moulding machine containing the system.
Background technique
The consumption rate of plastic industry is increasing always, and therefore, enhancing is moulded in the raising of injection molding machine overall technology level
Expect that the competitiveness of industry is most important.
Currently, injection molding machine mainly includes the components such as motor, deceleration transmission system, screw rod, screw pair, wherein screw rod
It is the important component of injection molding machine, for being conveyed, being compacted to plastics, melted, stirred and pressed, above-mentioned everything is all logical
Cross what rotation of the screw rod in barrel and being axially displaced to was completed.In screw rod rotation, plastics are for machine tube inner wall, screw rod
Friction and mutually movement can be all being generated between screw channel bottom surface, spiral shell rib pressure surface and plastics and plastics.
There is vital effect in injection time for the molding of plastics, while it is enough to need to guarantee that adapted to injection system has
Response speed (i.e. screw rod acceleration), thus guarantee in a short time by melt injection mold type chamber in.Tradition at present
Injection moulding apparatus in, the modular construction amount for needing to move in injection process it is more and complicated (e.g., including screw rod, servo motor,
The components such as preformed transmission system, bearing group, injection nut and injection slide chair).According to Newton's second law, when injection pressure one
When determining, if the gross mass for projecting kinematic system is larger, the acceleration that screw rod obtains declines therewith, i.e. injection response speed
Degree is greatly cut down, and can not reach the injection speed of requirement in a very short period of time, and desired operating condition is projected on high speed to be influenced very
Greatly.In addition, the straight-line guidance of the moving component in injection system traditional at present is realized with sliding friction mode, contact surface mill
Damage is fast, fever is more, lubricating requirement height, lack of lubrication when there is creeping phenomenon, while also increasing what driving motor additionally consumed
Power.
In view of this, a kind of new electric injection machine system and the injection molding machine comprising the system how are designed, it is existing to eliminate
Drawbacks described above and deficiency in technology are the projects that related technical personnel are urgently to be resolved in the industry.
Summary of the invention
The technical issues of in order to overcome in the prior art, the present invention provides a kind of electric injection machine system and includes the injection molding
The injection moulding machine of system, when executing action of injection, much fewer than injection moulding machine traditional at present of the component that needs to move,
Movement inertia greatly reduces, and the effect speed and injection precision of injecting systems all greatly improve.
First aspect present invention provides a kind of adapted to injection system of injection moulding machine, including：
One screw rod；
One screw drive shaft, the screw drive shaft include ball spline and nut, and the screw rod is assemblied in the screw rod
In drive shaft；
One ball-screw or a planetary roller screw, the ball-screw or planetary roller screw and the screw drive shaft
The nut be coupled, the ball-screw or planetary roller screw make the screw drive shaft and the screw rod along axis
Direction is moved forward and backward；With
One axially directed mechanism, the axially directed mechanism and the ball spline of the screw drive shaft are coupled.
Preferably, in the adapted to injection system, the screw rod and the screw drive shaft do and move axially back and forth, the ball
Lead screw or planetary roller screw and the axially directed mechanism do not do and move axially back and forth.
Preferably, the screw drive shaft is integral type setting.
Preferably, the adapted to injection system further includes an elastic energy storage device and a baffle ring, wherein the baffle ring is assemblied in institute
One end of the nearly screw drive shaft of screw rod is stated, so that the motion state of the baffle ring is identical as the screw rod, the elastic energy storage
One end of device is assemblied on the baffle ring, and the other end is kept fixed.
Preferably, the elastic energy storage device and screw drive shaft coaxial arrangement.
Preferably, the ball spline of the inner cavity of the axially directed mechanism and the screw drive shaft is pacified by ball engagement
Dress so that the axially directed mechanism does the guiding that front and back moves axially to the screw drive shaft, while also providing the spiral shell
The limit of bar drive shaft circumferencial direction.
Preferably, the nut is ball nut.
Second aspect of the present invention provides a kind of injection moulding machine, including adapted to injection system as described in the first aspect of the invention
And Clamping System.
Compared with prior art, technical solution provided by the present invention has the following advantages that：
1. in adapted to injection system provided by the invention and injection molding machine, it is one that screw drive shaft, which includes ball spline and nut,
The setting of body formula, while the dual function of ball spline and nut is realized, injection molding is greatly reduced while guiding role is provided
Coefficient of friction in system operation improves injection acceleration.
2. in adapted to injection system provided by the invention and injection molding machine, when executing action of injection, the component for needing to move is seldom,
Before only screw rod and screw drive shaft (and the elastic energy storage device selectively configured, including but not limited to spring etc.) do axial direction
After move, and motor, gear/belt driving section, bearing group, ball-screw or planetary roller screw, axially directed mechanism and penetrate
Other components such as slide chair are kept fixed out, are not moved axially back and forth with action of injection, the movable part of adapted to injection system
Very light weight, in the case where injection pressure is certain, the gross mass for projecting kinematic system is greatly reduced, and movement inertia subtracts significantly
Small, the acceleration that screw rod obtains greatly promotes, therefore the effect speed of injecting systems and injection precision all greatly improve.
3. the injection screw in adapted to injection system of the invention is directly assembled with screw drive shaft, processed without additional installation
Process allows injection screw to keep moving synchronously with screw drive shaft, also, screw drive shaft is also integrated processing and sets
Meter, the stability of adapted to injection system greatly improve.
4. adapted to injection system provided by the invention and injection molding machine are equipped with elastic energy storage device, and the tail portion with injection screw
It connects, back-pressure compensation, and compressed energy-storage is able to carry out in pre-plastic process, elastic energy storage dress is discharged in injection process
It sets, thrust can directly, accurately be acted on screw rod, effectively promoted and project pressure and speed；Also, elastic energy storage fills
It sets and is coaxially disposed with screw drive shaft, improve the stability of adapted to injection system.
5. the application of elastic energy storage device in the present invention, it is able to carry out back-pressure compensation in pre-plastic process, and compress
Energy storage effectively reduces the rated power of injection driving motor, reduces the cost of injecting systems.
Detailed description of the invention
It can be further understood by the following detailed description and accompanying drawings about the advantages and spirit of the present invention.
Fig. 1 is the schematic illustration of the first embodiment of adapted to injection system provided by the present invention.
Fig. 2 is the structure top view of the first embodiment of adapted to injection system provided by the present invention.
Fig. 3 is driving/transmission process top view of the first embodiment of adapted to injection system provided by the present invention.
Specific embodiment
The specific embodiment that the invention will now be described in detail with reference to the accompanying drawings.However, the present invention should be understood as to not office
It is limited to this embodiment described below, and technical concept of the invention can be with other well-known techniques or function and those
The identical other technologies combination of well-known technique is implemented.
In the explanation of following specific embodiments, structure and working method of the invention in order to clearly demonstrate will be by all
Multidirectional word is described, but should by "front", "rear", "left", "right", "outside", "inner", " outside ", " inside ",
The Word Understandings such as " axial direction ", " radial direction " are not construed as word of limitation for convenience of term.
Term explanation
1, screw drive shaft：Screw drive shaft of the invention is wholely set, refer to using ball spline and nut as
Spline is processed into one entirety, the i.e. outer surface of same root hollow shaft, and embedded SMA actuators are at nut, as screw drive shaft,
While connecting shaft and transmission, (screw drive shaft and rolling are cooperated by the nut and ball-screw or planetary roller screw of its inner ring
The non-integral processing of ballscrew/planetary roller screw), provided for ball-screw or planetary roller screw it is axially directed, to guarantee
Always part (including screw rod+screw drive shaft+ball is projected with entire in the motive force direction of ball-screw or planetary roller screw
Lead screw/planetary roller screw) axis be overlapped.
2, axially directed mechanism：It is coupled with the ball spline part of screw drive shaft, axial limiting is done to it, simultaneously
The guiding moved axially back and forth is provided.
3, in the present invention, the mechanism for being moved forward and backward the screw drive shaft and the screw rod in the axial direction can be rolling
Ballscrew or planetary roller screw, those skilled in the art can select according to situations such as corresponding working condition, product demand
It selects.
The purpose of the present invention is to provide a kind of high-performance adapted to injection system and configured with the injection molding machine of the adapted to injection system, subtract
Load when light adapted to injection system operation, promotes the response speed and precision of adapted to injection system, while reducing the driving function of adapted to injection system
Rate, promoting efficiency reduces cost.
The 1-3 specific embodiment that the present invention will be described in detail with reference to the accompanying drawing.
Adapted to injection system provided by the invention, including：
Screw rod 1, barrel 2, fixed frame 3, baffle ring 4, spring 5, preformed motor 6, the first preformed gear 7, the second preformed tooth
Wheel 8, first bearing group 9, screw drive shaft 10, axially directed mechanism 11, ball-screw or planetary roller screw 12, injecting motor
13, the first injection gear 14, second injects gear 15, second bearing group 16, nozzle 17.
In the present specification, " advance " of moving parts refers to that " retrogressing " refers to court towards close to the movement of the direction of nozzle 17
Direction far from nozzle 17 is mobile.
In the present specification, described " rear end ", " rear side " are directed to the one end extended far from screw rod direction.
In the present specification, described " being moved forward and backward in the axial direction ", " front and back axial movement " are referred to relative to fixation
Rack is moved forward and backward.
In embodiments of the present invention, the driving mechanism in a kind of preferred pre-plastic process includes that preformed motor 6, first is pre-
Mould gear 7 and the second preformed gear 8, it should be noted that, those skilled in the art can take other alternative driving methods
The function of preformed driving mechanism is completed, it is including but not limited to well-known to those skilled in the art using hollow shaft motor driving etc.
Mode.
In embodiments of the present invention, the driving mechanism in a kind of preferred injection process includes injecting motor 13, first
Inject gear 14 and the second injection gear 15, it should be noted that, those skilled in the art can take other alternatively driving sides
Formula completes the function of injection driving mechanism, including but not limited to using the side well-known to those skilled in the art such as electric-machine directly-driven
Formula.
In embodiments of the present invention, it is preferable that adapted to injection system includes the screw drive shaft being coupled and axially directed
Mechanism does axial limiting to it, while providing the guiding moved axially back and forth, and it is replaceable that other can be used in those skilled in the art
Structure realize the function that the rotation of driving mechanism is transferred to screw rod, and moves axially screw rod.
Embodiment one：
Hereinafter, referring to Fig.1-3, by taking 12 is ball-screws as an example, to the adapted to injection system structure of first embodiment of the invention
It is illustrated.
Fig. 1 shows the schematic illustration of the adapted to injection system of first embodiment of the invention.
Fig. 2 is the top view that the adapted to injection system of first embodiment is indicated in a manner of section.
Barrel is 2, fixed frame 3, and fixed frame 3 is for supporting adapted to injection system.Barrel 2 is bolted
It is connected in the front end of fixed frame 3, nozzle 17 is equipped in the front end of barrel 2, may be configured with Clamping System in the front of nozzle 17
(diagram does not mark).
Play the role of releasing the screw rod 1 of component, the main body of screw rod 1 and the inner cavity of barrel 2 are coupled, and screw rod 1 can edge
The axis of barrel 2 does front and back or rotary motion.
The tail end of screw rod 1 and the front end of screw drive shaft 10 are connected, and guarantee the motion state and screw drive shaft 10 of screw rod 1
Motion state it is identical.
Screw drive shaft 10 is integral type setting, including ball spline and nut, that is, refer to using ball spline and nut as
Spline is processed into one overall processing, the i.e. outer surface of same root hollow shaft, and embedded SMA actuators play driving linked shaft work at nut
With.Screw drive shaft 10 is coupled while connecting shaft and transmission by the nut and ball-screw 12 of its inner ring.
The ball spline of screw drive shaft 10 is hollow portion, the embedded SMA actuators of the hollow portion close to one end of ball-screw 12
At nut, the inner cavity of nut and the one end fits of ball-screw 12 are installed, and the other end of ball-screw 12 passes through second bearing group
16 are mounted on the tail end of fixed frame 3, fix to carry out axial limiting to ball-screw 12, ball-screw 12 can be done around axis
Rotary motion.Preferably, above-mentioned nut is ball nut.
The inner cavity of axially directed mechanism 11 and the ball spline of screw drive shaft 10 are installed by ball engagement, so that
Axially directed mechanism 11 does the guiding that front and back is axially moved to screw drive shaft 10, while also doing the limit of circumferencial direction.
The outer ring of axially directed mechanism 11 is installed on the middle part of fixed frame 3 by first bearing group 9, so that axial
The axial direction of guiding mechanism 11 is fixed, but it can make rotating motion along axis.
Second injection gear 15 couples with the tail end of ball-screw 12, and the second injection rotation of gear 15 can drive ball-screw
The nut of 12 rotary motions, drive screw drives axis 10 is axially moved, so that screw rod 1 be driven to move forward and backward.
Baffle ring 4 is mounted on the tail end (i.e. the motion state of baffle ring 4 is identical as screw rod 1) of screw rod 1, and one end of spring 5 is fixed
In the end face of baffle ring 4, the other end is fixed on the end face of the second preformed gear 8.
Preformed motor 6 is fixed on fixed frame 3, and the first preformed gear 7 is mounted on the axis of preformed motor 6, and second is pre-
Modeling gear 8 is fixedly connected on the end face of axially directed mechanism 11, the first preformed gear 7 and the second preformed gear 8 directly engage or
It is driven by belt (or chain etc.).
Injecting motor 13 is fixed on fixed frame 3, and the first injection gear 14 is mounted on the axis of injecting motor 13 and the
Two injection gears 15 are directly engaged or are driven by belt (or chain etc.).
Preformed motor 6 and injecting motor 13 make screw rod 1 complete rotation or move axially back and forth.
Hereinafter, the course of work of the injection moulding apparatus of -3 pairs of first embodiment of the invention is illustrated referring to Fig.1.
1. the preformed stage：
Preformed motor 6 provides power, passes to the second preformed gear 8, the second preformed gear 8 by the first preformed gear 7
It drives axially directed mechanism 11 to rotate, is driven to be cooperated by the ball spline of axially directed mechanism 11 and screw drive shaft 10
Screw drive shaft 10 rotates about the axis, and driving screw rod 1 rotates, and carries out preformed movement.
During preformed, screw rod 1 rotates in barrel 2, while retreating relative to barrel 2 along axis B direction straight line,
Injecting motor 15 rotates, so that ball-screw 12 rotates, screw drive shaft 10 is retreated.At this point, after baffle ring 4 follows 1 straight line of screw rod
It moves back, compressed spring 5, provides back pressure compensation for the preformed stage；Other back-pressures by injecting motor 13 and preformed motor 6 slip
It generates, preferably can adjust magnitude of back pressure by devices such as pressure sensors with the use of closed-loop control is carried out.
The preformed stage completes, and 6 locking of preformed motor does not turn, and injecting motor 13 provides power, passes through the first injection gear 14
Ball-screw 12 is driven to rotate with the second injection gear 15, then with the nut and ball-screw 12 from screw drive shaft 10,
10 straight line of drive screw drives axis retreats, and screw rod 1 retreats, and the pine for completing screw rod 1 moves back.
2. injection stage：
6 locking of preformed motor does not turn, and injecting motor 13 provides power, passes through the first injection gear 14 and the second injection gear
15 driving ball-screws 12 rotate, then with the nut and ball-screw 12 from screw drive shaft 10, push directly on screw drive
Axis 10 and screw rod 1, along axis B straight ahead, complete the action of injection of screw rod 1 relative to barrel 2, should during, spring 5 stretches,
The spring force of release provides partial pressure for action of injection.
Therefore, above-mentioned whole process only have screw rod 1, baffle ring 4, spring 5, screw drive shaft 10 carry out axial advancement or after
It moves back, moves linearly, other dynamical elements and actuated element etc. do not axially move.The injection of entire injection device accelerates
Degree greatly improves, and then improves the response acceleration and speed of adapted to injection system, ensure that the control precision of injection movement, simultaneously
The back pressure compensation and injection pressure that spring provides also enhance, and reduce the driving power of injecting systems, improve adapted to injection system
Integrated artistic promotes efficiency, reduces cost.
The present invention also provides a kind of injection molding machine, which uses present invention injection moulding apparatus mentioned above, is carrying out
The load of injection movement in injection molding process is small, and acceleration greatly improves, and helps to improve the processing quality of injecting products.
In conclusion the technical solution of adapted to injection system provided by the present invention and injection molding machine has the following technical effects：
1. screw drive shaft is integral type setting, while realizing the dual function of ball spline and nut, guiding is provided
The coefficient of friction in adapted to injection system operational process is greatly reduced while effect, improves injection acceleration.
2. execute action of injection, the component for needing to move is seldom, only screw rod and screw drive shaft (and selectivity match
The elastic energy storage device set, including but not limited to spring etc.) it does and moves axially back and forth, and motor, gear/belt driving section, axis
It holds other components such as group, ball-screw, axially directed mechanism and injection slide chair to be kept fixed, does not do axial direction with action of injection
It moves forward and backward, the very light weight of the movable part of adapted to injection system, in the case where injection pressure is certain, projects the total of kinematic system
Quality greatly reduces, and movement inertia greatly reduces, and the acceleration that screw rod obtains greatly promotes, therefore the effect speed of injecting systems
It is all greatly improved with injection precision.
3. injection screw is directly assembled with screw drive shaft, without additional installation process so that injection screw with
Screw drive shaft can keep moving synchronously, also, screw drive shaft is also integrated fabrication design, and the stability of adapted to injection system is big
It is big to improve.
4. being equipped with elastic energy storage device, and it is connect with the tail portion of injection screw, back pressure pressure is able to carry out in pre-plastic process
Force compensating, and compressed energy-storage discharge elastic energy storage device in injection process, can directly, accurately act on thrust
On screw rod, is effectively promoted and project pressure and speed；Also, elastic energy storage device and screw drive shaft coaxial arrangement, improve
The stability of adapted to injection system.
5. elastic energy storage device is able to carry out back-pressure compensation, and compressed energy-storage in pre-plastic process, it is effectively reduced
The rated power of injection driving motor, reduces the cost of injecting systems.
Unless otherwise instructed, the herein presented qualifier similar to " first ", " second " is not meant that suitable to the time
The restriction of sequence, quantity or importance, and be used for the purpose of the technical characteristic and another technology in the technical program
Feature is mutually distinguished.Similarly, the herein presented qualifier similar to " one " does not mean that the restriction to quantity, but describes
The technical characteristic not occurred above.Similarly, what is occurred before number herein is similar to " about ", " approximatively "
Modifier generally comprises this number, and its specific meaning should understand in conjunction with context meaning.Similarly, only have specific
Otherwise the noun of quantity quantifier modification should be regarded as again including plural form comprising singular, herein in the technology
It can include the odd number technical characteristic in scheme, also may include a plurality of technical characteristics.
It is preferred embodiment of the invention described in this specification, above embodiments are only to illustrate the present invention
Technical solution rather than limitation of the present invention.All those skilled in the art pass through logic analysis, reasoning under this invention's idea
Or the limited available technical solution of experiment, it all should be within the scope of the present invention.
Claims (8)
1. a kind of adapted to injection system of injection moulding machine, which is characterized in that including：
One screw rod；
One screw drive shaft, the screw drive shaft include ball spline and nut, and the screw rod is assemblied in the screw drive
On axis；
The institute of one ball-screw or a planetary roller screw, the ball-screw or planetary roller screw and the screw drive shaft
It states nut to be coupled, the ball-screw or planetary roller screw make the screw drive shaft and the screw rod in the axial direction
It is moved forward and backward；With
One axially directed mechanism, the axially directed mechanism and the ball spline of the screw drive shaft are coupled.
2. adapted to injection system as described in claim 1, which is characterized in that in the adapted to injection system, the screw rod and the screw rod
Drive shaft is done to be moved axially back and forth, before the ball-screw or planetary roller screw and the axially directed mechanism do not do axial direction
After move.
3. adapted to injection system as described in claim 1, which is characterized in that the screw drive shaft is integral type setting.
4. adapted to injection system as described in claim 1, which is characterized in that the adapted to injection system further include an elastic energy storage device and
One baffle ring, wherein the baffle ring is assemblied in one end of the nearly screw drive shaft of the screw rod, so that the motion state of the baffle ring
Identical as the screw rod, one end of the elastic energy storage device is assemblied on the baffle ring, and the other end is kept fixed.
5. adapted to injection system as claimed in claim 4, which is characterized in that the elastic energy storage device and the screw drive shaft are same
Axis setting.
6. adapted to injection system as described in claim 1, which is characterized in that the inner cavity of the axially directed mechanism and the screw rod drive
The ball spline of moving axis is installed by ball engagement, so that front and back is done axially to the screw drive shaft by the axially directed mechanism
Mobile guiding, while the limit of the screw drive shaft circumferencial direction being also provided.
7. adapted to injection system as described in claim 1, which is characterized in that the nut is ball nut.
8. a kind of injection moulding machine, including adapted to injection system as claimed in any one of claims 1 to 6 and Clamping System.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2017/086247 WO2018218394A1 (en) | 2017-05-27 | 2017-05-27 | High-performance electric injection molding device |
| CNPCT/CN2017/086247 | 2017-05-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108927966A true CN108927966A (en) | 2018-12-04 |
| CN108927966B CN108927966B (en) | 2021-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710618863.9A Active CN108927966B (en) | 2017-05-27 | 2017-07-26 | High-performance injection molding machine |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108927966B (en) |
| WO (2) | WO2018218394A1 (en) |
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|---|---|---|---|---|
| CN114953373A (en) * | 2021-02-26 | 2022-08-30 | 住友重机械工业株式会社 | Injection molding machine |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018218768A1 (en) | 2018-12-06 |
| WO2018218394A1 (en) | 2018-12-06 |
| CN108927966B (en) | 2021-01-08 |
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