CN220923132U - Mixing arrangement of multiple colour material - Google Patents
Mixing arrangement of multiple colour material Download PDFInfo
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- CN220923132U CN220923132U CN202322318084.0U CN202322318084U CN220923132U CN 220923132 U CN220923132 U CN 220923132U CN 202322318084 U CN202322318084 U CN 202322318084U CN 220923132 U CN220923132 U CN 220923132U
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- runner
- confluence
- grinding head
- converging
- width
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- 239000000463 material Substances 0.000 title claims abstract description 107
- 230000007423 decrease Effects 0.000 claims description 3
- 239000003086 colorant Substances 0.000 abstract description 10
- 239000000203 mixture Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 9
- 238000001746 injection moulding Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 238000007599 discharging Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
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- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
The utility model provides a mixing device for materials with various colors, which comprises a grinding head, wherein the grinding head comprises a main runner, a containing groove and more than two converging channels, the more than two converging channels are arranged around the main runner, and the more than two converging channels are communicated with the main runner and the containing groove; the one end that the confluence passageway is close to the sprue is equipped with the conflux export, the one end that the confluence passageway is close to the holding groove is equipped with the confluence entry, the width that the width of confluence entry is greater than the width of confluence export, the second material shunts through the confluence passageway, the volume of second material in every confluence passageway has been reduced, and then the confluence passageway through different positions exports a small amount of second material respectively and mixes, the second material can flow into the sprue in the different radial directions of sprue simultaneously, the colour mixture is effectual, because the width of confluence entry is greater than the width of confluence export, the material that enters into the sprue can not flow backward to the confluence entry.
Description
Technical Field
The utility model relates to the field of injection molding machines, in particular to a mixing device for materials with various colors.
Background
In the existing double-color injection molding machine technology, double-color injection molding is realized through the cooperation of two feed cylinders and a nozzle, but after feed liquid of different colors enters the nozzle, feed liquid reflux can not be avoided, and feed liquid can be polluted when feed liquid of different colors flows back into a feed cavity, so that the quality of the whole injection molding finished product is influenced. In the existing double-color injection molding machine, a set of hydraulic control assembly is adopted to control the material pipes, and the condition that the two material pipes are mutually influenced possibly occurs, so that poor operation of the material pipes is caused.
In China application number 201420170087.2 and publication day 2014.12.17, a hydraulic control system and a double-color injection molding machine are disclosed, wherein nozzles in the double-color injection molding machine are double-flow-passage single-outlet nozzles, and check valves are respectively arranged in the double flow passages; the hydraulic control system realizes the control of double flow channels by double hydraulic control groups; the one-way valve is arranged in the double flow channels of the nozzle, so that the backflow of two feed liquids is prevented, and the situation that feed liquids with different colors are mixed and polluted due to the fact that the feed liquids flow back into the feed cylinder is avoided. According to the injection molding machine, the one-way valve is arranged for liquid material backflow, and the one-way valve is required to be opened firstly when discharging each time, so that the structure is complex; meanwhile, the second flow passage is only provided with one outlet, the materials in the second flow passage can only flow into the main flow outlet passage from the inlet of the main flow outlet passage, the discharging amount of the first flow passage and the second flow passage is large, the materials can not flow into the main flow outlet passage from different positions, the effect of mixing the other colors after one color can not be formed, and the color mixing effect is poor.
Disclosure of Invention
The utility model provides a mixing device for materials with various colors, wherein a first discharge hole of a first charging barrel extends into a first flow channel, and a second discharge hole of a second charging barrel extends into a second flow channel; avoiding material overflowing from the first runner and the second runner; more than two converging channels are arranged around the main flow channel, so that the second material output from the second cylinder can flow into the main flow channel in different radial directions of the main flow channel, and the color mixing effect is good; simultaneously, more than two converging channels are arranged, so that the amount of second materials in each converging channel is reduced, and a small amount of second materials are respectively output through the converging channels at different positions for mixing, and the color mixing effect between the second materials and the first materials is good.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: the mixing device for the materials with the multiple colors comprises a material nozzle seat, a first material cylinder and a second material cylinder, wherein a first flow passage and a second flow passage are arranged in the material nozzle seat, the first flow passage is communicated with the first material cylinder, the second flow passage is communicated with the second material cylinder, a first discharge hole of the first material cylinder extends into the first flow passage, and a second discharge hole of the second material cylinder extends into the second flow passage; the bottom of the material nozzle seat is provided with a cavity, a grinding head is arranged in the cavity, and the grinding head is positioned below the first flow passage and the second flow passage.
The grinding head comprises a main runner, a containing groove and more than two converging channels, wherein the more than two converging channels are arranged around the main runner, and the more than two converging channels are communicated with the main runner and the containing groove.
The one end that the confluence passageway is close to the main runner is equipped with the conflux export, and the one end that the confluence passageway is close to the holding tank is equipped with the conflux entry, and the width of conflux entry is greater than the width of conflux export, is equipped with the pan feeding mouth that outwards extends in the holding tank one side that is kept away from the confluence passageway, and main runner and first runner correspond and communicate, pan feeding mouth and second runner correspond and set up and communicate; a material nozzle is arranged below the grinding head and is communicated with the main runner.
The first material barrel and the second material barrel are borne through the material nozzle seat, a first material outlet of the first material barrel extends into the first flow channel, and a second material outlet of the second material barrel extends into the second flow channel; such that the first discharge port is aligned with the first flow channel and the second discharge port is aligned with the second flow channel; avoiding the material overflowing from the first runner and the second runner.
The grinding head is communicated with the main runner and the accommodating groove through the converging channel, the main runner is arranged corresponding to the first runner, and the feeding port is arranged corresponding to the second runner; thus, the first material flow output from the first material cylinder flows into the main flow channel through the first flow channel, the second material output from the second material cylinder flows into the material inlet through the second flow channel, then flows into more than two confluence channels through the accommodating groove, and then flows into the main flow channel, and the mixed materials with different colors are output from the main flow channel by controlling the first material cylinder and the second material cylinder to alternately feed.
More than two converging channels are arranged around the main flow channel, so that the second material output from the second cylinder can flow into the main flow channel in different radial directions of the main flow channel, and the color mixing effect is good; simultaneously, more than two converging channels are arranged, so that the amount of second materials in each converging channel is reduced, and a small amount of second materials are respectively output through the converging channels at different positions for mixing, and the color mixing effect between the second materials and the first materials is good.
Meanwhile, the width of the converging inlet is larger than that of the converging outlet, so that materials entering the main flow channel cannot flow back to the converging inlet, and the first materials in the main flow channel are prevented from flowing back to the accommodating groove and being mixed with the second materials; the structure through the passageway that converges avoids the material to flow backward, and the reliability is good, simple structure.
Further, the accommodating groove is an annular accommodating groove.
Above setting, through setting up the holding groove that the annular set up, the holding groove sets up around the sprue, and then the holding groove feeds different converging channel along the different axial direction of sprue.
Further, the width of the converging channel gradually decreases from the converging inlet toward the converging outlet. This further limits material reflux.
Further, the cross-sectional width of the feed inlet is smaller than the cross-sectional width of the second flow channel.
Above setting, when the second material enters into the pan feeding mouth, owing to the cross-sectional width of pan feeding mouth reduces, and then accelerates the velocity of flow of second material.
Further, more than two through holes are formed in the grinding head, more than two threaded holes are formed in the top surface of the containing cavity of the material nozzle seat, and bolts penetrate through the through holes to be in threaded connection with the threaded holes. Thus realizing stable connection between the grinding head and the material nozzle seat.
Further, more than two positioning pins are arranged on the grinding head. The quick positioning of the grinding head during installation is realized through the positioning pin; meanwhile, by arranging the two positioning pins, the grinding head is aligned with the material nozzle seat through the two positioning pins, so that the offset between the grinding head and the material nozzle seat is avoided.
Drawings
Fig. 1 is a cross-sectional view of the present utility model.
Fig. 2 is an enlarged view of B in fig. 1.
FIG. 3 is a cross-sectional view of a nozzle block according to the present utility model.
Fig. 4 is a bottom view of the mouthpiece of the present utility model.
Fig. 5 is a cross-sectional view of A-A of fig. 1.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the detailed description.
As shown in fig. 1-5; the utility model provides a mixing arrangement of multiple colour material, includes material mouth seat 1, first feed cylinder 2 and second feed cylinder 3, and first feed cylinder 2 and second feed cylinder 3 all set up on material mouth seat 1, bear through material mouth seat 1 to first feed cylinder 2 and second feed cylinder 3.
A first flow channel 13 and a second flow channel 14 are arranged in the material nozzle seat 1, the first flow channel 13 is communicated with the first material cylinder 2, the second flow channel 14 is communicated with the second material cylinder 3, a first discharge hole of the first material cylinder 2 extends into the first flow channel 13, and a second discharge hole of the second material cylinder 3 extends into the second flow channel 14; such that the first outlet is aligned with the first flow channel 13 and the second outlet is aligned with the second flow channel 14; avoiding material from escaping from the first flow channel 13 and the second flow channel 14.
The bottom of the material nozzle seat 1 is provided with a containing cavity 15, a grinding head 4 is arranged in the containing cavity 15, and the grinding head 4 is positioned below the first flow channel 13 and the second flow channel 14. More than two through holes 44 and more than two positioning pins 45 are arranged on the grinding head 4, more than two threaded holes 15 and more than two positioning holes 16 are arranged on the top surface of the containing cavity 15 of the material nozzle seat 1, the positioning pins 45 are arranged in the positioning holes 16, and bolts (not shown in the figure) penetrate through the through holes 44 and are in threaded connection with the threaded holes 15. Thus, stable connection between the grinding head 4 and the material nozzle seat 1 is realized. The quick positioning of the grinding head 4 during installation is realized through the positioning pin 45; simultaneously, by arranging the two positioning pins 45, more than two positioning pins 45 align the grinding head 4 with the material nozzle seat 1, and offset between the grinding head 4 and the material nozzle seat 1 is avoided.
The grinding head 4 includes a main flow passage 41, a receiving groove 42, and two or more confluence passages 43, the two or more confluence passages 43 being disposed around the main flow passage 41, the two or more confluence passages 43 communicating the main flow passage 41 and the receiving groove 42. In the present embodiment, the accommodating groove 42 is an annular accommodating groove 42. The receiving groove 42 is provided around the main flow passage 41, and the receiving groove 42 feeds different confluence passages 43 in different axial directions of the main flow passage 41.
A converging outlet 432 is formed in one end, close to the main flow channel 41, of the converging channel 43, a converging inlet 431 is formed in one end, close to the accommodating groove 42, of the converging channel 43, the width of the converging inlet 431 is larger than that of the converging outlet 432, an outwardly extending feeding port 421 is formed in one side, far away from the converging channel 43, of the accommodating groove 42, the main flow channel 41 is correspondingly arranged and communicated with the first flow channel 13, and the feeding port 421 is correspondingly arranged and communicated with the second flow channel 14; a nozzle is provided below the grinding head 4, and communicates with the main flow passage 41.
The grinding head 4 is communicated with the main runner 41 and the accommodating groove 42 through the converging channel 43, the main runner 41 is arranged corresponding to the first runner 13, and the feeding port 421 is arranged corresponding to the second runner 14; the first material flow outputted from the first cylinder 2 flows into the main flow path 41 through the first flow path, the second material outputted from the second cylinder 3 flows into the feed port 421 through the second flow path, flows into two or more confluence paths 43 through the accommodating groove 42, and then flows into the main flow path 41, and the mixed materials having different colors are outputted from the main flow path 41 by controlling the first cylinder 2 and the second cylinder 3 to alternately feed.
More than two converging channels 43 are arranged around the main flow channel 41, so that the second material output from the second cylinder can flow into the main flow channel 41 in different radial directions of the main flow channel 41, the effect of mixing the first material and the second material at intervals can be formed, and the color mixing effect is good; simultaneously, more than two converging channels 43 are arranged, so that the amount of second materials in each converging channel 43 is reduced, and a small amount of second materials are respectively output for mixing through the converging channels 43 at different positions, and the color mixing effect between the second materials and the first materials is good.
Meanwhile, the width of the confluence inlet 431 is larger than that of the confluence outlet 432, so that materials entering the main runner 41 cannot flow back to the confluence inlet 431, and the first materials in the main runner 41 are prevented from flowing back to the accommodating groove 42 to be mixed with the second materials; the material is prevented from flowing reversely through the structure of the converging channel 43, so that the reliability is good, and the structure is simple.
In the present embodiment, the width of the converging channel 43 gradually decreases from the converging inlet 431 toward the converging outlet 432, which further limits material backflow; the cross-sectional width L1 of the feed port 421 is smaller than the cross-sectional width L2 of the second flow passage 14. When the second material enters the feeding hole 421, the flow velocity of the second material is accelerated due to the reduced cross-sectional width of the feeding hole 421.
Claims (6)
1. The utility model provides a mixing arrangement of multiple colour material, includes material mouth seat, first feed cylinder and second feed cylinder, is equipped with first runner and second runner in the material mouth seat, first runner and first feed cylinder intercommunication, second runner and second feed cylinder intercommunication, its characterized in that: the first discharge port of the first charging barrel extends into the first flow channel, and the second discharge port of the second charging barrel extends into the second flow channel; the bottom of the material nozzle seat is provided with a cavity, a grinding head is arranged in the cavity, and the grinding head is positioned below the first flow passage and the second flow passage;
the grinding head comprises a main runner, a containing groove and more than two converging channels, wherein the more than two converging channels are arranged around the main runner, and the more than two converging channels are communicated with the main runner and the containing groove;
The one end that the confluence passageway is close to the main runner is equipped with the conflux export, and the one end that the confluence passageway is close to the holding tank is equipped with the conflux entry, and the width of conflux entry is greater than the width of conflux export, is equipped with the pan feeding mouth that outwards extends in the holding tank one side that is kept away from the confluence passageway, and main runner and first runner correspond and communicate, pan feeding mouth and second runner correspond and set up and communicate; a material nozzle is arranged below the grinding head and is communicated with the main runner.
2. A multi-color material mixing apparatus as defined in claim 1, wherein: the accommodating groove is an annular accommodating groove.
3. A multi-color material mixing apparatus as defined in claim 1, wherein: the width of the converging channel gradually decreases from the converging inlet to the converging outlet.
4. A multi-color material mixing apparatus as defined in claim 1, wherein: the section width of the feed inlet is smaller than that of the second runner.
5. A multi-color material mixing apparatus as defined in claim 1, wherein: the grinding head is provided with more than two through holes, the top surface of the containing cavity of the material nozzle seat is provided with more than two threaded holes, and the bolts penetrate through the through holes to be in threaded connection with the threaded holes.
6. The multi-color material mixing device of claim 5, wherein: more than two locating pins are arranged on the grinding head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322318084.0U CN220923132U (en) | 2023-08-29 | 2023-08-29 | Mixing arrangement of multiple colour material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322318084.0U CN220923132U (en) | 2023-08-29 | 2023-08-29 | Mixing arrangement of multiple colour material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220923132U true CN220923132U (en) | 2024-05-10 |
Family
ID=90938021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322318084.0U Active CN220923132U (en) | 2023-08-29 | 2023-08-29 | Mixing arrangement of multiple colour material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220923132U (en) |
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2023
- 2023-08-29 CN CN202322318084.0U patent/CN220923132U/en active Active
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