CN201808182U - Shunting type two-step injection passage device of injection molding machine - Google Patents
Shunting type two-step injection passage device of injection molding machine Download PDFInfo
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- CN201808182U CN201808182U CN2010202451385U CN201020245138U CN201808182U CN 201808182 U CN201808182 U CN 201808182U CN 2010202451385 U CN2010202451385 U CN 2010202451385U CN 201020245138 U CN201020245138 U CN 201020245138U CN 201808182 U CN201808182 U CN 201808182U
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- injection
- runner
- passage device
- injection tube
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Abstract
The utility model discloses a shunting type two-step injection passage device of an injection molding machine, which comprises a barrel injector nozzle, an injection barrel component and a passage connector connected with the outlet end of the barrel injector nozzle and the inlet end of the injection barrel component. An injection rod capable of moving in the axial direction of the injection barrel component is arranged inside the injection barrel component, two passages corresponding to the end of the injection rod is arranged inside the injection barrel component, and inner cavity outlet end of the passage connector is provided with joints matched with the two passages. The shunting type two-step injection passage device basically removes the frequently accumulated residual materials and effectively ensures product quality. In addition, the process regulation range is wider, which is favorable for improving production efficiency.
Description
Technical field
The utility model relates to the injection molding technology field, is specifically related to a kind of divided-flow secondary injection flow passage device of ejection forming machine.
Background technology
Injection molding equipment is to utilize mould for plastics to make the device of the plastic products of different shape thermoplastic or thermosetting material, and it is widely used in industrial production.
Present stage, for enhancing productivity, the employing secondary injection technology that the dedicated high performance injection molding equipment is more, making in proper order, work step can carry out synchronously to reach the production capacity higher than common injection molding equipment, as shown in Figure 1, be existing a kind of longitudinal profile view that adopts the Jet forming machine of secondary injection technology, molten sizing material in the rubber melting cylinder 11 injects the injection tube 13 of below earlier by the single channel in the runner connector 12, treat to advance by injection rod 14 after matched moulds is finished and carry out action of injection, flowing as shown by arrows of molten sizing material sizing material, after to be injected the finishing, the residual a certain amount of sizing material of the front end of injection rod 14 meeting, thus, after repeating above-mentioned action for a long time, injection rod 14 anterior defective materials are detained for a long time, and temperature influence is degraded, and make goods produce various defectives after sneaking into die cavity.
Also there are some manufacturers to adopt and reduce the sizing material temperature, promptly reduce this position heating, though can reduce the occurrence probability of above-mentioned defective to a certain extent, the sizing material temperature reduces has harmful effect to injection speed, reduces production efficiency and can not fundamentally solve defective material and be detained.
To the shaping equipment that production efficiency is had relatively high expectations, the quality of item requirement is comparatively strict, it is particularly important that above-mentioned defective seems for some, and it usually can produce the inferior by the gross defective situation of goods.
In sum, develop a kind of production efficiency height and the injection molding equipment avoiding above-mentioned defective occurring just seems particularly important.
Summary of the invention
At the deficiencies in the prior art, the purpose of this utility model is intended to provide a kind of divided-flow secondary injection flow passage device of ejection forming machine, it can effectively avoid sizing material in the residual defective in injection rod end, and can improve injection molding production efficiency and Products Quality greatly.
For achieving the above object, the utility model adopts following technical scheme:
Divided-flow secondary injection flow passage device of ejection forming machine, comprise a machine barrel nozzle, injection tube assembly and be connected in described machine barrel nozzle output and the runner connector of injection tube assembly input, described injection tube assembly is built-in with can be along its axially movable injection rod, be provided with the two storage runners corresponding with described injection rod end in the described injection tube assembly, the inner chamber output of described runner connector has the interface with described two storage runner couplings.
The inner chamber of described runner connector is " people " font.
Described injection tube assembly comprises the runner conversion seat and the injection tube of axial butt joint.
Described two storage runners are positioned at described runner conversion seat; Be provided with a runner transfer valve in the described runner conversion seat.
Also be provided with an injection nozzle on the described runner conversion seat.
Described two storage runners are symmetrically distributed along the axial cross section of described injection tube assembly.
Described two store up the orthographic projections of runner on the radial section of injection tube, are positioned at the periphery of described injection tube tube chamber radial section.
The divided-flow secondary injection flow passage device of ejection forming machine that the utility model is set forth, its beneficial effect is:
The fusion sizing material switches runner by the flow channel switching valve core and injects the injection tube both sides and fill up the injection tube chamber after the shunting of runner chovr body, the virgin rubber materials flow is earlier from two side impact injection rods, promoting injection rod again retreats, the sizing material that a last working cycles residues in the injection rod periphery will be brought to injection tube chamber front end by the virgin rubber materials flow, sizing material can be accomplished first in first out, fundamentally solve the problem that defective material is detained, effectively guaranteed Products Quality; In addition, the process adjustments scope is more wide in range, helps the raising of production efficiency.
Description of drawings
Fig. 1 is a kind of structural representation that adopts the Jet forming machine of secondary injection technology of prior art;
Fig. 2 is the structural representation of a kind of divided-flow secondary injection flow passage device of ejection forming machine of the utility model;
Fig. 3 is the A-A cutaway view of Fig. 2;
Fig. 4 is the B-B cutaway view of Fig. 2;
Fig. 5 is the work schematic diagram of divided-flow secondary injection flow passage device of ejection forming machine shown in Figure 1.
The specific embodiment
Below, reach the specific embodiment in conjunction with the accompanying drawings, divided-flow secondary injection flow passage device of ejection forming machine of the present utility model is described further, so that clearerly understand the utility model technological thought required for protection.
As Fig. 2,3, shown in 4, be a kind of divided-flow secondary injection flow passage device of ejection forming machine of the present utility model, it comprises machine barrel nozzle 21, runner connector 22, conversion seat 23, injection tube 24, flow channel switching valve 26, injection nozzle 25, wherein, runner connector 22 is connected between the output and conversion seat 23 of machine barrel nozzle 21, and its three's inner chamber conducting connects, concrete is, the inner chamber of runner connector 22 is " people " font, the upper end of " people " font is connected with the output conducting of machine barrel nozzle 21, being provided with two axial cross sections along its storage runner axially parallel to each other 231, two storage runners 231 along conversion seat 23 in conversion seat 23 inside is symmetrically distributed; " people " font bottom two outlets of runner connector 22 inner chambers are connected with 231 conductings of two storage runners respectively.The rearward end that is connected in conversion seat 23 that injection tube 24 is axial (output of conversion seat 23 just), in injection tube 24, axially be provided with an injection rod 27 along it, and injection rod 27 can be along the axial activity of injection tube 24 in the tube chamber of injection tube 24, above-mentioned two orthographic projections of storage runner 231 on the radial section of injection tube 24, be positioned at the periphery of the radial section in 24 chambeies of injection tube, and the tube chamber conducting of two storage runners 231 and injection tube 24.Injection nozzle 25 is connected on the conversion seat 23.
Flow channel switching valve 26 is built in conversion seat 23, and flow channel switching valve 26 has two operating positions, and wherein an operating position is communicated with runner connector 22, runner conversion seat 23 and injection tube 24 inner flow passages, and equipment can be carried out and penetrate the storage work step; Another operating position is communicated with injection nozzle 25, runner conversion seat 23 and injection tube 24 inner flow passages, and equipment can be carried out the injection work step.
As shown in Figure 5, wherein arrow is represented the flow direction of fusion sizing material, the fusion sizing material is switched and injection injection tube both sides by flow channel switching valve after the shunting of runner connector, thereby fill up the tube chamber of injection tube, the virgin rubber materials flow is earlier from two side impact injection rod tips, promoting injection rod again retreats, new sizing material forms backflow at the front end of injection rod, the sizing material that a last working cycles residues in the injection rod end periphery can be brought to the tube chamber front end of injection tube by the virgin rubber materials flow, sizing material can be accomplished first in first out, has fundamentally solved the problem that defective material is detained.
Above-described specific embodiment is a better embodiment of the present utility model; can not limit the protection domain of the utility model claim with this; and the change that those skilled in the art have done according to technological thought of the present utility model all should be technology of the present utility model and contains.
Claims (7)
1. divided-flow secondary injection flow passage device of ejection forming machine, comprise a machine barrel nozzle, injection tube assembly and be connected in described machine barrel nozzle output and the runner connector of injection tube assembly input, described injection tube assembly is built-in with can be along its axially movable injection rod, it is characterized in that, be provided with the two storage runners corresponding with described injection rod end in the described injection tube assembly, the inner chamber output of described runner connector has the interface with described two storage runner couplings.
2. divided-flow secondary injection flow passage device of ejection forming machine as claimed in claim 1 is characterized in that, the inner chamber of described runner connector is " people " font.
3. divided-flow secondary injection flow passage device of ejection forming machine as claimed in claim 1 is characterized in that, described injection tube assembly comprises the runner conversion seat and the injection tube of axial butt joint.
4. divided-flow secondary injection flow passage device of ejection forming machine as claimed in claim 3 is characterized in that, described two storage runners are positioned at described runner conversion seat; Be provided with a runner transfer valve in the described runner conversion seat.
5. as claim 3 or 4 described divided-flow secondary injection flow passage device of ejection forming machine, it is characterized in that, also be provided with an injection nozzle on the described runner conversion seat.
6. divided-flow secondary injection flow passage device of ejection forming machine as claimed in claim 1 is characterized in that, described two storage runners are symmetrically distributed along the axial cross section of described injection tube assembly.
7. divided-flow secondary injection flow passage device of ejection forming machine as claimed in claim 3 is characterized in that, described two store up the orthographic projections of runner on the radial section of injection tube, are positioned at the periphery of described injection tube tube chamber radial section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202451385U CN201808182U (en) | 2010-06-30 | 2010-06-30 | Shunting type two-step injection passage device of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202451385U CN201808182U (en) | 2010-06-30 | 2010-06-30 | Shunting type two-step injection passage device of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201808182U true CN201808182U (en) | 2011-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202451385U Expired - Fee Related CN201808182U (en) | 2010-06-30 | 2010-06-30 | Shunting type two-step injection passage device of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201808182U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913234A (en) * | 2010-06-30 | 2010-12-15 | 广州华研精密机械有限公司 | Divided-flow secondary injection flow passage device of ejection forming machine |
| CN105040615A (en) * | 2015-06-15 | 2015-11-11 | 上虞市冠业电器有限公司 | Blowing-absorbing machine with shared blowing-absorbing channel |
-
2010
- 2010-06-30 CN CN2010202451385U patent/CN201808182U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913234A (en) * | 2010-06-30 | 2010-12-15 | 广州华研精密机械有限公司 | Divided-flow secondary injection flow passage device of ejection forming machine |
| CN101913234B (en) * | 2010-06-30 | 2014-01-08 | 广州华研精密机械有限公司 | Divided-flow secondary injection flow passage device of ejection forming machine |
| CN105040615A (en) * | 2015-06-15 | 2015-11-11 | 上虞市冠业电器有限公司 | Blowing-absorbing machine with shared blowing-absorbing channel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 511340, No. 6, founding Road, Xintang Town, Guangzhou, Guangdong, Zengcheng Patentee after: Guangzhou Huayan Precision Machinery Co., Ltd. Address before: 510315, No. 718, Pioneer Road, Guangzhou, Guangdong, Luogang District Patentee before: Guangzhou Huayan Precision Machinery Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20140630 |
|
| EXPY | Termination of patent right or utility model |