CN204526034U - A kind of injection machine injecting mechanism - Google Patents
A kind of injection machine injecting mechanism Download PDFInfo
- Publication number
- CN204526034U CN204526034U CN201420867564.0U CN201420867564U CN204526034U CN 204526034 U CN204526034 U CN 204526034U CN 201420867564 U CN201420867564 U CN 201420867564U CN 204526034 U CN204526034 U CN 204526034U
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- China
- Prior art keywords
- nozzle
- injection
- connecting cylinder
- moulding
- injection machine
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses a kind of injection machine injecting mechanism, belong to injection machine field, comprise injection moulding cylinder, extrusion screw rod and injection-moulding nozzle, extrusion screw rod is arranged in injection moulding cylinder, the front portion of injection moulding cylinder is communicated with injection-moulding nozzle, it is characterized in that: be provided with surge chamber between described injection moulding cylinder and injection-moulding nozzle; Filter and part flow arrangement is provided with in described surge chamber; Described injection-moulding nozzle comprises nozzle housing, and nozzle housing is provided with the buffering area, nozzle pipeline and the nozzle mechanism that are communicated with successively from back to front; Described buffering area is communicated with surge chamber.The utility model is reasonable in design, can convenient for maintaining and maintenance, and structure is detachable, carries out even feeding to plastic material, realizes the clean shunting of melt, and can carry out heating anti-cold burden.
Description
Technical field
The utility model belongs to injection machine field, specifically, relates to a kind of injection machine injecting mechanism.
Background technology
Widely using of plastic products, also constantly increases the requirement of injection machine, and current injection machine is divided into two kinds, and one is mechanical hydraulic-pressure type, and another kind is the injection machine of full hydraulic.The material melts of corresponding injection machine is realized by rubber melting cylinder assembly, and is sprayed by injection-moulding device after material melts.
Injection-moulding device will produce uniform injecting products under certain back pressure, and particularly for the injection moulding of the good plastic material of mobility, if want to control melt, and can clean shunting, prior art generally all adopts spring nozzle to control melt.
But in order to meet many requirements above, the injection-moulding device structure of present all kinds of injection machine is all comparatively complicated, manufacturing cost is high, and if spring nozzle once damage, can only more renew, the replacing of part cannot be carried out, cause the use cost of spring nozzle to remain high.
Because above-mentioned defect, the design people, actively in addition research and innovation, to found a kind of reasonable in design, can convenient for maintaining and maintenance, structure detachable, even feeding carried out to plastic material, realize the clean shunting of melt, and the injection machine injecting mechanism heating anti-cold burden can be carried out.
Utility model content
The technical problems to be solved in the utility model overcomes above-mentioned defect, there is provided a kind of reasonable in design, can convenient for maintaining and maintenance, structure detachable, even feeding carried out to plastic material, realize the clean shunting of melt, and the injection machine injecting mechanism heating anti-cold burden can be carried out.
For solving the problem, the technical scheme that the utility model adopts is:
A kind of injection machine injecting mechanism, comprise injection moulding cylinder, extrusion screw rod and injection-moulding nozzle, extrusion screw rod is arranged in injection moulding cylinder, and the front portion of injection moulding cylinder is communicated with injection-moulding nozzle, it is characterized in that: be provided with surge chamber between described injection moulding cylinder and injection-moulding nozzle; Filter and part flow arrangement is provided with in described surge chamber; Described injection-moulding nozzle comprises nozzle housing, and nozzle housing is provided with the buffering area, nozzle pipeline and the nozzle mechanism that are communicated with successively from back to front; Described buffering area is communicated with surge chamber.
As a kind of technical scheme of optimization, described filter comprises the screen pack be arranged in surge chamber, and the order number of screen pack is 300-400 order.
As a kind of technical scheme of optimization, described part flow arrangement is the shunting shell be arranged in surge chamber, is provided with liquid cyclone in shunting shell.
As a kind of technical scheme of optimization, the buffering area at described nozzle housing rear portion is cavity design; Described nozzle mechanism comprises the connecting cylinder being arranged on nozzle housing front portion; Nozzle mechanism is provided with in described connecting cylinder; The rear portion of described connecting cylinder is provided with through hole, and through hole is connected with nozzle mechanism, nozzle pipeline; Be provided with cavity in the barrel of described connecting cylinder, be provided with electric heater unit in cavity, electric heater unit connects external power source.
As a kind of technical scheme of optimization, the barrel lateral surface of described connecting cylinder is provided with external screw thread, the inside of nozzle housing is provided with the internal thread corresponding with external screw thread, and external screw thread matches with internal thread.
As a kind of technical scheme of optimization, the nozzle mechanism in described connecting cylinder comprise be arranged on connecting cylinder front portion nozzle, with the nozzle chambers being communicated with nozzle and through hole; Thimble is provided with in described nozzle chambers; Described thimble is arranged in connecting cylinder anterior, and thimble matches with nozzle; Described thimble is provided with positioner, and is provided with elastic device in connecting cylinder, elastic device connecting ejector pin.
As a kind of technical scheme of optimization, described elastic device comprises the spring spool being threaded in connecting cylinder inside, is provided with spring in spring spool, and the front end of spring is provided with distribution, promotes connecting ejector pin.
As a kind of technical scheme of optimization, the front end of described spring spool is provided with thimble seat, thimble seat connecting ejector pin.
As a kind of technical scheme of optimization, described electric heater unit is be arranged on the electrical heating wire inside the cavity in connecting cylinder barrel, and electrical heating wire connects external power source.
Owing to have employed technique scheme, compared with prior art, the utility model utilizes surge chamber to carry out filtering and shunting, and utilizes buffering area reasonably to distribute, and applicability is relatively wider, particularly applicable for materials such as mobility good PA, LCP, PEEK.Nozzle in the utility model is opened and closing motion, and air cannot enter, and prevents the pyrolytic of raw material, thus sends out the problems such as year salivation, wire drawing, cold glue, bubble when preventing shaping high temperature plastics, improves the quality of plastic products.In addition, the connecting cylinder entirety in the utility model realizes detachable, can change, saved use cost when the connecting cylinder internal parts such as spring damage.
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of the utility model;
Fig. 2 is the structural representation of injection-moulding nozzle in Fig. 1.
Detailed description of the invention
Embodiment:
As shown in Figure 1 and Figure 2, a kind of injection machine injecting mechanism, comprises injection moulding cylinder 1, extrusion screw rod 3 and injection-moulding nozzle 2, and extrusion screw rod is arranged in injection moulding cylinder, and the front portion of injection moulding cylinder is communicated with injection-moulding nozzle.Surge chamber 2 is provided with between described injection moulding cylinder 1 and injection-moulding nozzle 3.Filter and part flow arrangement is provided with in described surge chamber 2.Described injection-moulding nozzle comprises nozzle housing, and nozzle housing is provided with the buffering area 5, nozzle pipeline 6 and the nozzle mechanism that are communicated with successively from back to front.Described buffering area is communicated with surge chamber.
Described filter comprises the screen pack (not shown) be arranged in surge chamber 2, and the order number of screen pack is 300-400 order.Described part flow arrangement is the shunting shell (not shown) be arranged in surge chamber, is provided with liquid cyclone (not shown) in shunting shell (not shown).
The buffering area at described nozzle housing rear portion is cavity design.Described nozzle mechanism comprises the connecting cylinder 7 being arranged on nozzle housing front portion.Nozzle mechanism is provided with in described connecting cylinder 7.The rear portion of described connecting cylinder 7 is provided with through hole, and through hole is connected with nozzle mechanism, nozzle pipeline.Be provided with cavity in the barrel of described connecting cylinder 7, be provided with electric heater unit in cavity, electric heater unit connects external power source.
The barrel lateral surface of described connecting cylinder is provided with external screw thread (not shown), the inside of nozzle housing is provided with the internal thread (not shown) corresponding with external screw thread, and external screw thread (not shown) matches with internal thread (not shown).
Nozzle mechanism in described connecting cylinder comprises the nozzle 14 being arranged on connecting cylinder front portion, the nozzle chambers being communicated with nozzle and through hole.Thimble 13 is provided with in described nozzle chambers 9.Described thimble 13 is arranged on the front portion of connecting cylinder 7, and thimble 13 matches with nozzle 14.Described thimble 13 is provided with positioner, and is provided with elastic device in connecting cylinder, elastic device connecting ejector pin.
Described elastic device comprises the spring spool being threaded in connecting cylinder inside, is provided with spring 10 in spring spool, and the front end of spring 10 is provided with distribution 11, promotes 11 connecting ejector pins 13.
The front end of described spring spool is provided with thimble seat 12, thimble seat 12 connecting ejector pin 13.
Described electric heater unit is be arranged on the electrical heating wire inside the cavity in connecting cylinder barrel, and electrical heating wire connects external power source.
During work, plastic material extrudes and enters in blast tube road after surge chamber, buffering area, and next flow through the cavity place between spring spool and connecting cylinder, sizing material continues to flow through thimble seat afterwards, and finally come the surrounding of thimble, thimble bears pressure.When pressure is greatly to when cannot bear, promote spring, nozzle is opened, and plastic material sprays from nozzle, and rubber melting cylinder injection is carried out.When melten gel stops, pressure reduces or disappears, and spring recovers, and promote thimble and move ahead, injection stops, and nozzle is closed.
The utility model utilizes surge chamber to carry out filtering and shunting, and utilizes buffering area reasonably to distribute, and applicability is relatively wider, particularly applicable for materials such as mobility good PA, LCP, PEEK.Nozzle in the utility model is opened and closing motion, and air cannot enter, and prevents the pyrolytic of raw material, thus sends out the problems such as year salivation, wire drawing, cold glue, bubble when preventing shaping high temperature plastics, improves the quality of plastic products.In addition, the connecting cylinder entirety in the utility model realizes detachable, can change, saved use cost when the connecting cylinder internal parts such as spring damage.
Above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit, although execute example with reference to previous examples to be described in detail the utility model, those of ordinary skill in the art is to be understood that, it is according to can modifying to the technical scheme that foregoing embodiments is recorded, or equivalent replacement is carried out to its portion of techniques feature, and these amendments or replacement, do not make the essence of appropriate technical solution depart from spirit and the category of technical solutions of the utility model.
Claims (9)
1. an injection machine injecting mechanism, comprises injection moulding cylinder, extrusion screw rod and injection-moulding nozzle, and extrusion screw rod is arranged in injection moulding cylinder, and the front portion of injection moulding cylinder is communicated with injection-moulding nozzle, it is characterized in that: be provided with surge chamber between described injection moulding cylinder and injection-moulding nozzle; Filter and part flow arrangement is provided with in described surge chamber; Described injection-moulding nozzle comprises nozzle housing, and nozzle housing is provided with the buffering area, nozzle pipeline and the nozzle mechanism that are communicated with successively from back to front; Described buffering area is communicated with surge chamber.
2. injection machine injecting mechanism according to claim 1, is characterized in that: described filter comprises the screen pack be arranged in surge chamber, and the order number of screen pack is 300-400 order.
3. injection machine injecting mechanism according to claim 2, is characterized in that: described part flow arrangement is the shunting shell be arranged in surge chamber, is provided with liquid cyclone in shunting shell.
4. injection machine injecting mechanism according to claim 1, is characterized in that: the buffering area at described nozzle housing rear portion is cavity design; Described nozzle mechanism comprises the connecting cylinder being arranged on nozzle housing front portion; Nozzle mechanism is provided with in described connecting cylinder; The rear portion of described connecting cylinder is provided with through hole, and through hole is connected with nozzle mechanism, nozzle pipeline; Be provided with cavity in the barrel of described connecting cylinder, be provided with electric heater unit in cavity, electric heater unit connects external power source.
5. injection machine injecting mechanism according to claim 4, is characterized in that: the barrel lateral surface of described connecting cylinder is provided with external screw thread, and the inside of nozzle housing is provided with the internal thread corresponding with external screw thread, and external screw thread matches with internal thread.
6. injection machine injecting mechanism according to claim 5, is characterized in that: the nozzle mechanism in described connecting cylinder comprises the nozzle being arranged on connecting cylinder front portion, the nozzle chambers being communicated with nozzle and through hole; Thimble is provided with in described nozzle chambers; Described thimble is arranged in connecting cylinder anterior, and thimble matches with nozzle; Described thimble is provided with positioner, and is provided with elastic device in connecting cylinder, elastic device connecting ejector pin.
7. injection machine injecting mechanism according to claim 6, it is characterized in that: described elastic device comprises the spring spool being threaded in connecting cylinder inside, is provided with spring in spring spool, the front end of spring is provided with distribution, promotes connecting ejector pin.
8. injection machine injecting mechanism according to claim 7, is characterized in that: the front end of described spring spool is provided with thimble seat, thimble seat connecting ejector pin.
9. injection machine injecting mechanism according to claim 8, is characterized in that: described electric heater unit is be arranged on the electrical heating wire inside the cavity in connecting cylinder barrel, and electrical heating wire connects external power source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420867564.0U CN204526034U (en) | 2014-12-31 | 2014-12-31 | A kind of injection machine injecting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420867564.0U CN204526034U (en) | 2014-12-31 | 2014-12-31 | A kind of injection machine injecting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204526034U true CN204526034U (en) | 2015-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420867564.0U Expired - Fee Related CN204526034U (en) | 2014-12-31 | 2014-12-31 | A kind of injection machine injecting mechanism |
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| Country | Link |
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| CN (1) | CN204526034U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104552833A (en) * | 2014-12-31 | 2015-04-29 | 苏州市博奥塑胶电子有限公司 | Injection molding mechanism of injection molding machine |
-
2014
- 2014-12-31 CN CN201420867564.0U patent/CN204526034U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104552833A (en) * | 2014-12-31 | 2015-04-29 | 苏州市博奥塑胶电子有限公司 | Injection molding mechanism of injection molding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20151231 |
|
| EXPY | Termination of patent right or utility model |