CN203357835U - Injection molding system and injection molding machine - Google Patents
Injection molding system and injection molding machine Download PDFInfo
- Publication number
- CN203357835U CN203357835U CN 201320431111 CN201320431111U CN203357835U CN 203357835 U CN203357835 U CN 203357835U CN 201320431111 CN201320431111 CN 201320431111 CN 201320431111 U CN201320431111 U CN 201320431111U CN 203357835 U CN203357835 U CN 203357835U
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- screw rod
- injection system
- spline
- drive unit
- storing
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Abstract
The utility model discloses an injection molding system and an injection molding machine provided with the injection molding system. The injection molding system comprises a machine frame, a screw rod and a storage material driving device used for driving the screw rod to rotate, wherein the storage material driving device is fixedly connected with the machine frame; a circumferential limiting structure is arranged on the screw rod; the storage material driving device drives the screw rod to rotate through the circumferential limiting structure, and the storage material driving device can be arranged on the screw rod in a relative sliding way in the direction of the central axis of the screw rod. Through the technical scheme, the load generated when the injection molding system performs the injection action is reduced, and the injection accelerated speed is higher under the condition of unchanged prime power, so that the injection speed is increased, the stability in the action execution is improved, and the completion quality of the injection molding forming process is further ensured; in addition, the service lives of mechanical components can be prolonged, and the wear degree of the mechanical components is reduced.
Description
Technical field
The utility model relates to the injection moulding field, particularly a kind of adapted to injection system and a kind of injection machine that is provided with this adapted to injection system.
Background technology
China is the consumption big country of plastic products, and every year is with 7%～8% speed rapid growth.Under this trend, people more and more focus on the raising of injection machine overall technology level, strengthen the international competitiveness of self.
General injection machine mainly is comprised of frame, adapted to injection system and template and clasp mould mechanism; wherein; adapted to injection system comprises ejaculation motor 7, ball-screw 6, outer nut 5, bracing or strutting arrangement 4, storing motor 2 and screw rod 1, refers to the adapted to injection system structural representation shown in Fig. 1.Screw rod 1 is the vitals of injection machine, the effect of screw rod is carried, compacting, fusing, is stirred and exert pressure plastics, all these is that the rotation in barrel completes by screw rod, when screw rod rotates, plastics are for all producing friction and motion mutually between machine tube inner wall, screw channel bottom surface, spiral shell rib pressure surface and plastics and plastics.Pushing ahead of plastics is exactly the result of this movement combination, and fricative heat also is absorbed for improving plastics temperature and molten plastic.In adapted to injection system, outer nut 5 or coaxial setting parallel with the axis of screw rod 1, and outer nut 5 is fixedly connected with bracing or strutting arrangement 4, and screw rod 1 is arranged at bracing or strutting arrangement 4 rotatably by bearing 3; Because the storing motor 2 as the storing drive unit rotates storing for drive screw 1, therefore, storing motor 2 is fixedly connected on bracing or strutting arrangement 4, thereby relative with the position of screw rod 4 fixing, so that the driving shaft of storing motor 4 is by 1 rotation of driving-belt drive screw.When penetrating motor 7 driving ball-screws 6 rotation, outer nut 5 drives screw rods 1 by bracing or strutting arrangement 4 and does rectilinear motion along central axial direction, thereby penetrates action; In addition, because storing motor 2 is affixed on bracing or strutting arrangement 4, when adapted to injection system penetrates action, the storing motor can be done parallel along with the carrying out of penetrating action simultaneously.
In current all electric and oily electric mixed injection machine, the moulding process that possess, injection time is one of very important parameter.Melt (raw material of fusing), by just having begun to cool down after nozzle, in order in time melt to be injected to mold cavity, obtains closely knit all even high-precision goods, must be full of die cavity to melt at short notice.Therefore, adapted to injection system, except enough injection pressures must be arranged, also must guarantee that melt has certain flow rate, at this time will guarantee that the ejaculation acceleration of adapted to injection system is enough large, thereby guaranteeing the short time injects melt the die cavity of mould.
But, in prior art, when injection machine penetrates action, the mass loading born because whole system is required is larger, thereby it is less to penetrate acceleration, and the stability performed an action is lower, has influence on the moulding process of product.
Therefore, the stability that how to improve the ejaculation acceleration and penetrate action, to guarantee the injection molding process quality, is those skilled in the art's technical problems urgently to be resolved hurrily.
The utility model content
In view of this, the utility model provides a kind of adapted to injection system and a kind of injection machine that is provided with this adapted to injection system, can mitigation system load when penetrating action, thereby improve the stability of system, further guarantee the moulding process of product.
For achieving the above object, the utility model provides following technical scheme:
A kind of adapted to injection system, comprise frame, screw rod and the storing drive unit for driving described screw rod to rotate, described storing drive unit and described frame are connected, be provided with circumferential position limiting structure on described screw rod, described storing drive unit drives described screw rod rotation by described circumferential position limiting structure, and, described storing drive unit can along the central axial direction relative sliding of described screw rod be arranged on described screw rod.
Preferably, in above-mentioned adapted to injection system, described circumferential position limiting structure is spline, and described storing drive unit is connected to drive described screw rod rotation with described spline fitted, and, between described storing drive unit and described spline, be slidably matched.
Preferably, in above-mentioned adapted to injection system, also comprise and penetrate motor, ball-screw and outer nut, described ejaculation motor is connected to drive described ball-screw to rotate with an end of described ball-screw is coaxial, described outer nut coordinates with described ball-screw, and the two ends of described spline are connected with an end of described outer nut and an end of described screw rod respectively.
Preferably, in above-mentioned adapted to injection system, described storing drive unit is hollow motor and axle sleeve, be provided with the locating slot for driving described axle sleeve to rotate in described hollow motor, described axle sleeve is arranged in described hollow motor by described locating slot, described axle sleeve center is provided with the internal gear with described spline fitted, and, described axle sleeve can along the central axial direction relative sliding of described screw rod be arranged on described spline, described hollow motor and described frame are connected, and drive described screw rod rotation by described axle sleeve and described spline.
Preferably, in above-mentioned adapted to injection system, the length of described spline on the central axial direction of described screw rod is greater than the length of described axle sleeve on the central axial direction of described screw rod.
Preferably, in above-mentioned adapted to injection system, described storing drive unit comprises storing motor and gear, described gear centre is provided with the internal gear be slidably matched with described spline, and, described gear can be arranged at along the central axial direction of described screw rod on described spline slidably, between the driving shaft of described storing motor and described gear, by driving-belt, be in transmission connection, and described storing motor and described gear is connected with described frame respectively.
Preferably, in above-mentioned adapted to injection system, the length of described spline on the central axial direction of described screw rod is greater than the length of described gear on the central axial direction of described screw rod.
Preferably, in above-mentioned adapted to injection system, described driving-belt is belt.
A kind of injection machine, comprise above described adapted to injection system.
Can find out from above-mentioned technical scheme, in the adapted to injection system that the utility model embodiment provides, for being slidably connected, not be fixed to one another between the two between screw rod and storing drive unit.Therefore, when screw rod moves to penetrate along the central axial direction translation, the storing drive unit maintains static, thereby, compared with prior art, the load less (eliminated when storing drive unit with screw rod be fixedly connected with the load of following screw translation and bringing) of the adapted to injection system that the utility model embodiment provides when carrying out the ejaculation action, penetrate acceleration in the constant situation of motive power larger, thereby increase issuing velocity, improve the stability performed an action, further guaranteed the difficulty action accomplishment of injecting products moulding process.In addition, but also life-span of prolonged mechanical parts reduce its degree of wear.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation that Fig. 1 is adapted to injection system of the prior art;
The structural representation of the adapted to injection system that Fig. 2 provides for the utility model the first specific embodiment;
The structural representation of the adapted to injection system that Fig. 3 provides for the utility model the second specific embodiment.
The specific embodiment
The utility model discloses a kind of adapted to injection system and a kind of injection machine that is provided with this adapted to injection system, can mitigation system load when penetrating action, thereby improve the stability of system, further guarantee the moulding process of product.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making under the creative work prerequisite the every other embodiment obtained, and all belong to the scope of the utility model protection.
Refer to Fig. 2 and Fig. 3, the structural representation of the adapted to injection system that Fig. 2 provides for the utility model the first specific embodiment, the structural representation of the adapted to injection system that Fig. 3 provides for the utility model the second specific embodiment.
The adapted to injection system that the utility model embodiment provides, comprise frame, screw rod 1 and storing drive unit, wherein, storing drive unit and frame are connected, be provided with circumferential position limiting structure on screw rod 1, the storing drive unit is connected with screw rod 1 with drive screw 1 and rotates along central axis by circumferential position limiting structure, and, the storing drive unit can along the central axial direction relative sliding of screw rod 1 be arranged on screw rod 1.
Can find out from technique scheme, for being slidably connected, not be fixed to one another between the two between screw rod 1 and storing drive unit.Therefore, when screw rod 1 moves to penetrate along the central axial direction translation, thereby the storing drive unit is fixed on frame and maintains static, thereby, compared with prior art, the load less (eliminated when storing drive unit with screw rod 1 be fixedly connected with the load of following screw rod 1 translation and bringing) of the adapted to injection system that the utility model embodiment provides when carrying out the ejaculation action, penetrate acceleration in the constant situation of motive power larger, thereby increase issuing velocity, improve the stability performed an action, further guaranteed the difficulty action accomplishment of injecting products moulding process.In addition, but also life-span of prolonged mechanical parts reduce its degree of wear.
Its basic principle is: the ejaculation load of adapted to injection system of the prior art when penetrating action is M
1+ M
2, wherein, M
1quality (M for the storing drive unit for drive screw 1 rotation
1>0), M
2be the quality (M of the ejaculation load that comprises that other running gear of outer nut 5 and screw rod 1 brings
2>0).And the storing drive unit in the adapted to injection system that the utility model embodiment provides is with screw rod 1 translation, so the ejaculation load of its generation is zero, i.e. M
1=0, therefore, the ejaculation load of the adapted to injection system that the utility model embodiment provides when penetrating action is M
2.Thereby visible, the load less (M of the adapted to injection system that the utility model embodiment provides when penetrating action
2<M
1+ M
2), thereby make the inertia of adapted to injection system integral body less.
According to F=m * a(wherein, F is motive power, and m is quality, and a is acceleration), can derive the ejaculation action acceleration a of injection machine of the prior art
1=F/(M
1+ M
2), the ejaculation action acceleration a of the injection machine that the utility model provides
2=F/M
2, due to M
2<M
1+ M
2thereby, a
2>a
1.By appeal, analyze known, scheme after improvement can allow the ejaculation acceleration of adapted to injection system improve 1 times of left and right nearly, this has not only reduced molding cycle to a certain extent, improved production efficiency, simultaneously, the acceleration that penetrates action increases, and then has guaranteed to penetrate the control accuracy of action, has improved the integral forming technique of adapted to injection system.
As shown in Figure 2, in the first specific embodiment provided at the utility model, adapted to injection system also comprises ejaculation motor 7, ball-screw 6 and outer nut 5, wherein, penetrate motor 7 and be connected to drive ball-screw 6 to rotate with an end of ball-screw 6 is coaxial, outer nut 5 coordinates to carry out rectilinear motion with ball-screw 6; Simultaneously, the circumferential position limiting structure arranged on screw rod 1 in adapted to injection system is spline 11, and the two ends of spline 11 are connected with an end of outer nut 5 and an end of screw rod 1 respectively; In addition, storing drive unit and spline 11 are connected with drive screw 1 rotation, and, between storing drive unit and spline 11, be slidably matched, when penetrating action, the storing drive unit maintains static, and the junction of spline 11 and storing drive unit is along the central axis generation relative sliding of screw rod 1.But, what those skilled in the art were easily known is, in above-mentioned adapted to injection system, the circumferential position limiting structure arranged on screw rod 1 in adapted to injection system is not limited to spline structure, can also be other for circumferential spacing version, the limit method such as spacing or protruding and draw-in groove cooperation such as flat key, therefore, the utility model is to this and be not specifically limited.
In the present embodiment, the storing drive unit of adapted to injection system comprises hollow motor 21 and axle sleeve, be provided with the locating slot rotated for propeller shaft sleeve in this hollow motor 21, axle sleeve is arranged in hollow motor by this locating slot, and, be provided with the internal gear coordinated with spline 11 on axle sleeve, simultaneously, the internal gear of this hollow motor 21 by axle sleeve and spline 11 is circumferentially spacing is slidably matched simultaneously, thus this hollow motor 21 can along the central axial direction relative sliding of screw rod 1 be arranged on spline 11.Simultaneously, this hollow motor 21 is connected with frame, and can be by axle sleeve and spline 11 drive screw 1 rotations.Further, the length of spline 11 on the central axial direction of screw rod 1 is greater than the length of axle sleeve on the central axial direction of screw rod 1, so that screw rod 1 is when doing axial linear movement, coordinates all the time between hollow motor 21 and spline 11, and be convenient to device and install and use.While in actual production process, above-mentioned storing drive unit being installed, by spline 11 and axle sleeve assembling, then it is arranged in the hollow motor, by the locating slot in the hollow motor, axle sleeve is positioned, at this moment just can carry out drive screw 1 rotation by this storing drive unit.
But, design for the storing drive unit in the utility model is not limited to this, can also obtain other under the enlightenment of the technical scheme that those skilled in the art provide at the utility model and reduce the design that adapted to injection system penetrates the load of when action, the set-up mode especially be slidably connected for storing drive unit and screw rod 1 is not limited to this.
For example, the utility model also provides the second specific embodiment, and it is identical that the second specific embodiment and other device in the first specific embodiment arrange, and only the storing drive unit adopted to new design, as shown in Figure 3.Storing drive unit in the second specific embodiment comprises storing motor 22 and gear 23, gear 23 centers are provided with the internal gear be slidably matched with spline 11, and, gear 23 can along the central axial direction relative sliding of screw rod 1 be arranged on spline 11, between the driving shaft of storing motor 22 and gear 23, by driving-belt 24, be in transmission connection (preferably driving-belt 24 is belt), and storing motor 22 is connected with frame respectively with gear 23.Simultaneously, the length of spline 11 on the central axial direction of screw rod 1 is greater than the length of gear 23 on the central axial direction of screw rod 1 equally.When penetrating when action, the storing drive unit maintains static, between spline 11 and gear along the central axis generation relative sliding of screw rod 1.
For above-mentioned adapted to injection system, the utility model also provides a kind of injection machine, this injection machine is adopted above described adapted to injection system, thereby during the action of the ejaculation in carrying out the Shooting Technique process, load is less, be beneficial to the stability that the system of assurance performs an action, thereby contribute to improve the processing quality of injecting products.In specific embodiment, above-mentioned injection machine can for all electric or oil reply by cable box-like.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from spirit or scope of the present utility model, realization in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. an adapted to injection system, comprise frame, screw rod (1) and the storing drive unit for driving described screw rod (1) to rotate, it is characterized in that, described storing drive unit and described frame are connected, described screw rod is provided with circumferential position limiting structure on (1), described storing drive unit drives described screw rod (1) rotation by described circumferential position limiting structure, and, described storing drive unit can along the central axial direction relative sliding of described screw rod (1) be arranged on described screw rod (1).
2. adapted to injection system according to claim 1, it is characterized in that, described circumferential position limiting structure is spline (11), described storing drive unit and described spline (11) are connected to drive described screw rod (1) rotation, and, between described storing drive unit and described spline (11), be slidably matched.
3. adapted to injection system according to claim 2, it is characterized in that, also comprise and penetrate motor (7), ball-screw (6) and outer nut (5), described ejaculation motor (7) is connected to drive described ball-screw (6) to rotate with an end of described ball-screw (6) is coaxial, described outer nut (5) coordinates with described ball-screw (6), and the two ends of described spline (11) are connected with an end of described outer nut (5) and an end of described screw rod (1) respectively.
4. adapted to injection system according to claim 2, it is characterized in that, described storing drive unit comprises hollow motor (21) and axle sleeve, be provided with the locating slot for driving described axle sleeve to rotate in described hollow motor (21), described axle sleeve is arranged in described hollow motor (21) by described locating slot, described axle sleeve center is provided with the internal gear coordinated with described spline (11), and, described axle sleeve can along the central axial direction relative sliding of described screw rod (1) be arranged on described spline (11), described hollow motor (21) is connected with described frame, and drive described screw rod (1) rotation by described axle sleeve and described spline (11).
5. adapted to injection system according to claim 4, is characterized in that, the length of described spline (11) on the central axial direction of described screw rod (1) is greater than the length of described axle sleeve on the central axial direction of described screw rod (1).
6. adapted to injection system according to claim 2, it is characterized in that, described storing drive unit comprises storing motor (22) and gear (23), described gear (23) center is provided with the internal gear be slidably matched with described spline (11), and, described gear (23) can be arranged at along the central axial direction of described screw rod (1) on described spline (11) slidably, between the driving shaft of described storing motor (22) and described gear (23), by driving-belt (24), be in transmission connection, and described storing motor (22) is connected with described frame respectively with described gear (23).
7. adapted to injection system according to claim 6, is characterized in that, the length of described spline (11) on the central axial direction of described screw rod (1) is greater than the length of described gear (23) on the central axial direction of described screw rod (1).
8. adapted to injection system according to claim 6, is characterized in that, described driving-belt (24) is belt.
9. an injection machine, is characterized in that, comprises the described adapted to injection system of the claims 1-8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320431111 CN203357835U (en) | 2013-07-17 | 2013-07-17 | Injection molding system and injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320431111 CN203357835U (en) | 2013-07-17 | 2013-07-17 | Injection molding system and injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203357835U true CN203357835U (en) | 2013-12-25 |
Family
ID=49805651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320431111 Withdrawn - After Issue CN203357835U (en) | 2013-07-17 | 2013-07-17 | Injection molding system and injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203357835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104290288A (en) * | 2013-07-17 | 2015-01-21 | 宁波弘讯科技股份有限公司 | Injection molding system and injection molding machine |
-
2013
- 2013-07-17 CN CN 201320431111 patent/CN203357835U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104290288A (en) * | 2013-07-17 | 2015-01-21 | 宁波弘讯科技股份有限公司 | Injection molding system and injection molding machine |
| CN104290288B (en) * | 2013-07-17 | 2017-03-15 | 宁波弘讯科技股份有限公司 | A kind of adapted to injection system and a kind of injection machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131225 Effective date of abandoning: 20171114 |