CN205148826U - Injection apparatus of injection molding machine - Google Patents
Injection apparatus of injection molding machine Download PDFInfo
- Publication number
- CN205148826U CN205148826U CN201521015272.5U CN201521015272U CN205148826U CN 205148826 U CN205148826 U CN 205148826U CN 201521015272 U CN201521015272 U CN 201521015272U CN 205148826 U CN205148826 U CN 205148826U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- shower nozzle
- guide ring
- screw rod
- connecting rod
- Prior art date
- 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 an injection apparatus of injection molding machine, including shower nozzle, sleeve, screw rod, guiding subassembly, the nozzle is seted up to the front end of shower nozzle, the tail end and the sleeve spiro union of shower nozzle, and the screw rod is inserted and is established in the sleeve, the guiding subassembly includes the water conservancy diversion head, establishes guide ring, the current -limiting dish of fixed mounting on the connecting rod on the connecting rod with water conservancy diversion head fixed connection's connecting rod, cover, the guide ring is located between water conservancy diversion head and the current -limiting dish, the front end fixed connection of connecting rod and screw rod, install the driven gear with initiative gear engagement on the shower nozzle. When stopping to mould plastics, under the drive of gear, shower nozzle certain distance that moves backward, the guide ring of fixing in the shower nozzle moves backward, and the rear end face of guide ring is to the clearance on the current -limiting dish, between shutoff sleeve inner chamber and current -limiting are coiled. Through the technical solution, the utility model discloses can solve liquid plastics in the sleeve effectively and under inertial effect, stop at the screw rod under the condition of defeated material, continue to pour into into in the mould cavity.
Description
Technical field
The utility model relates to injection molding technology field, in particular to a kind of injection apparatus of injection machine.
Background technology
Generally known, the plastics be in a liquid state are injected mould, to form different finished product by injection apparatus by injection machine.During reality is produced, the liquid plastic in sleeve is carried to mould direction by the mode that described injection apparatus generally adopts screw rod to rotate in sleeve, then supplies liquid plastic through the nozzle of sleeve ends to mold cavity.
Utility model content
The technical problem that the utility model solves: injection machine of the prior art, its injection apparatus stops to mould supply liquid plastic by stopping the rotation of screw rod, but, under the effect of inertia, liquid plastic in sleeve can continue to inject in mold cavity after injection apparatus quits work, and so, not only wastes liquid plastic, and, damage the quality of finished product.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
An injection apparatus for injection machine, comprises shower nozzle, sleeve, screw rod, guiding subassembly;
Nozzle is offered in the front end of described shower nozzle, and the first diversion cavity is offered at the middle part of shower nozzle, and the tail end of shower nozzle offers the second diversion cavity, and described nozzle is communicated with the first diversion cavity, and the first diversion cavity is communicated with the second diversion cavity, and the second diversion cavity is cylindric; The tail end of described shower nozzle is provided with external screw thread;
Described sleeve is fixedly installed, and the front end of sleeve is provided with the internal thread be spirally connected with shower nozzle tail end, and the sidewall of sleeve offers charging aperture, and the tail end of sleeve is provided with seal;
Described screw rod is plugged in sleeve, and the afterbody of screw rod gives prominence to the tail end of sleeve backward, and the afterbody of screw rod is provided with the first gear, the first gear and the second gears meshing, and the second gear connects with the first motor;
Described guiding subassembly comprises flow guiding head, the connecting rod be fixedly connected with flow guiding head, the guide ring be set on connecting rod, the throttle disk be fixedly mounted on connecting rod; Described flow guiding head is positioned at the front side of guide ring, and described throttle disk is positioned at the rear side of guide ring, and the tail end of connecting rod is fixedly connected with the front end of screw rod; Described flow guiding head is cone shape, and the flow guiding head in cone shape comprises the little head end being positioned at front and the stub end being positioned at rear, and the sidewall of flow guiding head offers guiding gutter, and flow guiding head is positioned at the first diversion cavity; Described guide ring is interference fitted in the second diversion cavity, the internal diameter of guide ring is greater than the external diameter of connecting rod, the internal diameter of guide ring is less than the external diameter of the stub end of flow guiding head, and the internal diameter of guide ring is less than the external diameter of throttle disk, and the length of guide ring is less than the distance between the stub end of flow guiding head and throttle disk; The internal diameter of described sleeve equals the external diameter of guide ring; The lateral wall of described shower nozzle is provided with the 3rd gear, the 3rd gear and the 4th gears meshing, the 4th gear connects with the second motor.
By technique scheme, the operation principle of the injection apparatus of injection machine described in the utility model is as follows:
First, second motor reversal, drives the 4th gear, the 4th gear drive the 3rd gear, and the 3rd gear drive shower nozzle rotates, and the shower nozzle be spirally connected with sleeve moves forward certain distance, but still is connected with sleeve seal; The shower nozzle of reach drives guide ring reach, and the front end face of guide ring is against on the rear end face of flow guiding head (i.e. the stub end of flow guiding head), now, has certain gap between the rear end face of guide ring and the front end face of throttle disk; First motor drives the second gear, second gear drive first gear, first gear drive screw rod rotates, the liquid plastic being entered sleeve by charging aperture is fed forward by screw rod, the liquid plastic moved ahead crosses the gap between throttle disk and barrel bore, gap again between the rear end face and the front end face of throttle disk of guide ring, enter the gap between guide ring and connecting rod again, afterwards, the guiding gutter of the liquid plastic moved ahead in flow guiding head enters the first diversion cavity, then in the die cavity that nozzle injects mould.
Second, second motor rotates forward, and drives the 4th gear, the 4th gear drive the 3rd gear, and the 3rd gear drive shower nozzle rotates, and moves certain distance after the shower nozzle be spirally connected with sleeve; After the shower nozzle that moves drive guide ring after move, the rear end face of guide ring is against on the front end face of throttle disk, the rear end end shutoff of the diversed ring in the gap between barrel bore and throttle disk, meanwhile, between the front end face of guide ring and the rear end face (i.e. the stub end of flow guiding head) of flow guiding head, there is certain gap; Because the diversed ring seal in the gap between barrel bore and throttle disk blocks up, therefore, liquid plastic cannot supply to mold cavity.
Pass through technique scheme, injection apparatus described in the utility model can solve the liquid plastic in sleeve effectively under the effect of inertia, when screw rod stops conveying, continue to inject in mold cavity, so, injection apparatus described in the utility model not only can material saving, and, be conducive to the raising of end product quality.
Illustrate as one of the present utility model, establish sliding bearing in described sleeve, sliding bearing is positioned at the afterbody of sleeve, is combined with spline accessory in sliding bearing, and spline accessory offers spline, is combined with spline in spline, and described spline fitted is on screw rod.As described above, coordinating of above-mentioned sliding bearing and spline is that screw rod rotates and provides condition in sleeve.
Illustrate as one of the present utility model, the tail end of described connecting rod is provided with external screw thread, and the front end of described screw rod is provided with the internal thread coordinated with connecting rod tail end external screw thread.Design like this, not only facilitates connection and the installation of guiding subassembly and screw rod, and, be also convenient to the processing respectively of guiding subassembly and screw rod.
Illustrate as one of the present utility model, the shape of described first diversion cavity is the taper shape supporting with flow guiding head.The design of conical first diversion cavity is injected in mold cavity by nozzle after can making to enter the liquid plastic supercharging in it.
Illustrate as one of the present utility model, described sleeve comprises the connection chamber be spirally connected with shower nozzle tail end, the feed chamber plugged for screw rod; The internal diameter of connection chamber is greater than the internal diameter of feed chamber, and the described front end face of throttle disk flushes with the front end face of feed chamber.As described above, be positioned at the front end of sleeve and be located on the madial wall of connection chamber with the internal thread that shower nozzle tail end is spirally connected; The front end face of described throttle disk flushes with the front end face of feed chamber, so, when the rear end face of restrictor ring and the front end face of throttle disk offset, restrictor ring can gap between effectively shutoff throttle disk and feed chamber, enters shower nozzle to stop the liquid plastic of (namely in feed chamber) in sleeve.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the structural representation of the injection apparatus of a kind of injection machine of the utility model;
Fig. 2 is the explosive view of Fig. 1;
Fig. 3 is the structural representation of guiding subassembly 40 in Fig. 2;
Fig. 4 is the structural representation of screw rod 30 in Fig. 2;
Fig. 5 is the structural representation of shower nozzle 10 in Fig. 2;
Fig. 6 is the structural representation of Fig. 2 middle sleeve 20.
Symbol description in figure:
10, shower nozzle; 11, external screw thread; 12, the second diversion cavity; 13, the 3rd gear;
20, sleeve; 21, internal thread; 22, charging aperture; 201, connection chamber; 202, feed chamber;
30, screw rod; 31, the first gear; 32, spline;
40, guiding subassembly; 41, flow guiding head; 410, guiding gutter; 42, connecting rod; 43, guide ring; 44, throttle disk.
Detailed description of the invention
Composition graphs 1, Fig. 2, a kind of injection apparatus of injection machine, comprises shower nozzle 10, sleeve 20, screw rod 30, guiding subassembly 40.
As Fig. 5, nozzle is offered in the front end of described shower nozzle, and the first diversion cavity is offered at the middle part of shower nozzle, and the tail end of shower nozzle offers the second diversion cavity 12, and described nozzle is communicated with the first diversion cavity, and the first diversion cavity is communicated with the second diversion cavity, and the second diversion cavity is cylindric; The tail end of described shower nozzle is provided with external screw thread 11.The lateral wall of described shower nozzle is provided with the 3rd gear the 13, three gear and the 4th gears meshing, the 4th gear connects with the second motor.
As Fig. 6, described sleeve is fixedly installed, and the front end of sleeve is provided with the internal thread 21 be spirally connected with shower nozzle tail end, the sidewall of sleeve is offered charging aperture 22, and the tail end of sleeve is provided with seal.Establish sliding bearing in described sleeve 20, sliding bearing is positioned at the afterbody of sleeve, is combined with spline accessory in sliding bearing, and spline accessory offers spline, is combined with spline 32 in spline, and described spline fitted is on screw rod 30.
As Fig. 6, described sleeve 20 comprises the connection chamber 201 be spirally connected with shower nozzle 10 tail end, the feed chamber 202 plugged for screw rod; The internal diameter of connection chamber is greater than the internal diameter of feed chamber, and the described front end face of throttle disk 44 flushes with the front end face of feed chamber.
As Fig. 4, described screw rod is plugged in sleeve, and the afterbody of screw rod gives prominence to the tail end of sleeve backward, and the afterbody of screw rod is provided with the first gear 31, first gear and the second gears meshing, and the second gear connects with the first motor.
As Fig. 3, described guiding subassembly comprises flow guiding head 41, the connecting rod 42 be fixedly connected with flow guiding head, the guide ring 43 be set on connecting rod, the throttle disk 44 be fixedly mounted on connecting rod; Described flow guiding head is positioned at the front side of guide ring, and described throttle disk is positioned at the rear side of guide ring, and the tail end of connecting rod is fixedly connected with the front end of screw rod.
In guiding subassembly, described flow guiding head is cone shape, and the flow guiding head in cone shape comprises the little head end being positioned at front and the stub end being positioned at rear, and the sidewall of flow guiding head is offered guiding gutter 410, flow guiding head is positioned at the first diversion cavity.The shape of described first diversion cavity is the taper shape supporting with flow guiding head 41.
In guiding subassembly, described guide ring is interference fitted in the second diversion cavity, the internal diameter of guide ring is greater than the external diameter of connecting rod, the internal diameter of guide ring is less than the external diameter of the stub end of flow guiding head, the internal diameter of guide ring is less than the external diameter of throttle disk, and the length of guide ring is less than the distance between the stub end of flow guiding head and throttle disk.The internal diameter of described sleeve equals the external diameter of guide ring.
In guiding subassembly, the tail end of described connecting rod 42 is provided with external screw thread, and the front end of described screw rod 30 is provided with the internal thread coordinated with connecting rod tail end external screw thread.
In practical operation, the workflow of the injection apparatus of injection machine described in the utility model is as follows:
The first, carry out the flow process of injection moulding: the second motor reversal, drive the 4th gear, the 4th gear drive the 3rd gear the 13, three gear drive shower nozzle 10 rotates, and the shower nozzle be spirally connected with sleeve 20 moves forward certain distance, but still is connected with sleeve seal; The shower nozzle of reach drives guide ring 43 to move forward, and the front end face of guide ring is against on the rear end face of flow guiding head 41, now, has certain gap between the rear end face of guide ring and the front end face of throttle disk 44; First motor drives the second gear, second gear drive first gear 31, first gear drive screw rod 30 rotates, the liquid plastic being entered sleeve 20 by charging aperture 22 is fed forward by screw rod, the liquid plastic moved ahead crosses the gap between throttle disk 44 and barrel bore, gap again between the rear end face and the front end face of throttle disk 44 of guide ring 43, enter the gap between guide ring 43 and connecting rod 42 again, afterwards, the guiding gutter 410 of the liquid plastic moved ahead in flow guiding head 41 enters the first diversion cavity, then in the die cavity that nozzle injects mould.
The second, stop the flow process of injection moulding: the second motor rotates forward, drive the 4th gear, the 4th gear drive the 3rd gear the 13, three gear drive shower nozzle 10 rotates, and moves certain distance after the shower nozzle be spirally connected with sleeve 20; After the shower nozzle that moves drive guide ring 43 after move, the rear end face of guide ring is against on the front end face of throttle disk 44, the rear end end shutoff of the diversed ring 43 in the gap between barrel bore and throttle disk, meanwhile, has certain gap between the front end face of guide ring and the rear end face of flow guiding head 41; Because the diversed ring seal in the gap between barrel bore and throttle disk blocks up, therefore, liquid plastic cannot supply to mold cavity.
Above content is only better embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (5)
1. an injection apparatus for injection machine, comprises shower nozzle (10), sleeve (20), screw rod (30);
Nozzle is offered in the front end of described shower nozzle, and the first diversion cavity is offered at the middle part of shower nozzle, and the tail end of shower nozzle offers the second diversion cavity (12), and described nozzle is communicated with the first diversion cavity, and the first diversion cavity is communicated with the second diversion cavity, and the second diversion cavity is cylindric; The tail end of described shower nozzle is provided with external screw thread (11);
Described sleeve is fixedly installed, and the front end of sleeve is provided with the internal thread (21) be spirally connected with shower nozzle tail end, and the sidewall of sleeve is offered charging aperture (22), the tail end of sleeve is provided with seal;
Described screw rod is plugged in sleeve, and the afterbody of screw rod gives prominence to the tail end of sleeve backward, and the afterbody of screw rod is provided with the first gear (31), the first gear and the second gears meshing, and the second gear connects with the first motor;
It is characterized in that: also comprise guiding subassembly (40);
Described guiding subassembly comprises flow guiding head (41), the connecting rod (42) be fixedly connected with flow guiding head, the guide ring (43) be set on connecting rod, the throttle disk (44) be fixedly mounted on connecting rod; Described flow guiding head is positioned at the front side of guide ring, and described throttle disk is positioned at the rear side of guide ring, and the tail end of connecting rod is fixedly connected with the front end of screw rod;
Described flow guiding head is cone shape, and the flow guiding head in cone shape comprises the little head end being positioned at front and the stub end being positioned at rear, and the sidewall of flow guiding head is offered guiding gutter (410), flow guiding head is positioned at the first diversion cavity;
Described guide ring is interference fitted in the second diversion cavity, the internal diameter of guide ring is greater than the external diameter of connecting rod, the internal diameter of guide ring is less than the external diameter of the stub end of flow guiding head, and the internal diameter of guide ring is less than the external diameter of throttle disk, and the length of guide ring is less than the distance between the stub end of flow guiding head and throttle disk;
The internal diameter of described sleeve equals the external diameter of guide ring;
The lateral wall of described shower nozzle is provided with the 3rd gear (13), the 3rd gear and the 4th gears meshing, the 4th gear connects with the second motor.
2. the injection apparatus of a kind of injection machine as claimed in claim 1, it is characterized in that: described sleeve establishes sliding bearing in (20), sliding bearing is positioned at the afterbody of sleeve, spline accessory is combined with in sliding bearing, spline accessory offers spline, be combined with spline (32) in spline, described spline fitted is on screw rod (30).
3. the injection apparatus of a kind of injection machine as claimed in claim 1, is characterized in that: the tail end of described connecting rod (42) is provided with external screw thread, and the front end of described screw rod (30) is provided with the internal thread coordinated with connecting rod tail end external screw thread.
4. the injection apparatus of a kind of injection machine as claimed in claim 1, is characterized in that: the shape of described first diversion cavity is the taper shape supporting with flow guiding head (41).
5. the injection apparatus of a kind of injection machine as claimed in claim 1, is characterized in that: described sleeve (20) comprises the connection chamber (201) be spirally connected with shower nozzle (10) tail end, the feed chamber (202) plugged for screw rod; The internal diameter of connection chamber is greater than the internal diameter of feed chamber, and the front end face of described throttle disk (44) flushes with the front end face of feed chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521015272.5U CN205148826U (en) | 2015-12-09 | 2015-12-09 | Injection apparatus of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521015272.5U CN205148826U (en) | 2015-12-09 | 2015-12-09 | Injection apparatus of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205148826U true CN205148826U (en) | 2016-04-13 |
Family
ID=55684561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521015272.5U Expired - Fee Related CN205148826U (en) | 2015-12-09 | 2015-12-09 | Injection apparatus of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205148826U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437482A (en) * | 2015-12-09 | 2016-03-30 | 荣昌精密机械(苏州)有限公司 | Jet device for injection molding machine |
-
2015
- 2015-12-09 CN CN201521015272.5U patent/CN205148826U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105437482A (en) * | 2015-12-09 | 2016-03-30 | 荣昌精密机械(苏州)有限公司 | Jet device for 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20181209 |