CN214562463U - Secondary injection molding device - Google Patents
Secondary injection molding device Download PDFInfo
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- CN214562463U CN214562463U CN202120836672.1U CN202120836672U CN214562463U CN 214562463 U CN214562463 U CN 214562463U CN 202120836672 U CN202120836672 U CN 202120836672U CN 214562463 U CN214562463 U CN 214562463U
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- water conservancy
- conservancy diversion
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Abstract
The utility model discloses a secondary injection molding device, which comprises an installation seat, wherein the front side of the installation seat is provided with a nozzle installation cylinder, the rear side of the installation seat is provided with a motor support, the nozzle installation cylinder is fixedly provided with a nozzle through a fastening screw, a guide post is inserted into the installation seat, the motor support is fixed with a servo motor, the output shaft of the servo motor is inserted and fixed with the guide post, and the nozzle installation cylinder is screwed with a limit screw; the flow guide column comprises a column body, and an annular limiting groove, a central through hole and two radial through holes are formed in the front side, close to the column body; two first water conservancy diversion holes and two second water conservancy diversion holes have been seted up to the mount pad symmetry, and the outer end spiro union in first water conservancy diversion hole has the end cap, and the second water conservancy diversion hole outer end communicates with the delivery outlet of extruding means of moulding plastics. The flow direction control is carried out by arranging the flow guide columns to replace two opening and closing valves, so that the installation process is simplified, the production and manufacturing cost of the device is reduced, and the daily maintenance is facilitated; avoiding increasing the flow resistance and being not easy to have the blocking phenomenon.
Description
Technical Field
The utility model relates to an injection mold technical field especially relates to a secondary injection moulding device.
Background
The secondary injection molding can be realized by two-color injection molding and rubber coating injection molding, wherein the two-color injection molding refers to a molding method for injecting two plastics with different colors into the same mold. It can make the piece of moulding appear two kinds of different colours to it can make the piece of moulding present regular pattern or irregular moire pattern, with practicality and the aesthetic property that improves the piece of moulding.
The traditional double-color injection molding device is mostly provided with two charging barrels, and the structure and the use of each charging barrel are the same as those of a common injection molding charging barrel. Each barrel has a respective passage communicating with the nozzle and two on-off valves are mounted in the passage of the nozzle. During molding, after the molten material is well plasticized in the charging barrel, the sequence of the molten material entering the nozzle and the proportion of discharged material are controlled by the two opening and closing valves, and then the molten material is injected into the mold cavity from the nozzle. The injection molding device has the disadvantages that firstly, a plurality of opening and closing valves are required to realize flow direction control, the installation difficulty of the opening and closing valves is high, the process requirement is high, and the production and manufacturing cost of the device is high; secondly, the opening and closing valve can increase the flow resistance and easily cause the blockage phenomenon. Therefore, it is necessary to optimize and improve it.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned problem that exists among the prior art, provide a secondary injection moulding device.
In order to realize the technical purpose, the technical effect is achieved, the utility model discloses a realize through following technical scheme:
a secondary injection molding device comprises a mounting seat, wherein a nozzle mounting cylinder is arranged on the front side of the mounting seat, a motor support is arranged on the rear side of the mounting seat, a nozzle is fixedly mounted on the nozzle mounting cylinder through a fastening screw, a guide post capable of rotating around the axis of the nozzle is inserted into the mounting seat, a servo motor is fixed on the motor support, an output shaft of the servo motor is inserted and fixed with the guide post, and a limit screw rod for preventing the guide post from axially moving is screwed at the nozzle mounting cylinder; the flow guide column comprises a column body, an annular limiting groove is formed in the position, close to the front side, of the column body, a central through hole communicated with the nozzle is formed in one end of the column body inwards along the axis, and two radial through holes communicated with the central through hole are formed in the outer wall of the column body inwards; two first water conservancy diversion holes and two second water conservancy diversion holes have been seted up to the mount pad symmetry, and every first water conservancy diversion hole communicates with the second water conservancy diversion hole of homonymy, the outer end spiro union in first water conservancy diversion hole has the end cap, second water conservancy diversion hole outer end communicates with the delivery outlet of the extrusion mechanism of moulding plastics.
Further, in the above secondary injection molding device, a spraying channel is provided at the center of the nozzle, and a circle of positioning holes matched with the fastening screws are provided on the outer wall of the nozzle.
Furthermore, in the secondary injection molding device, an insertion plate is arranged on the rear side of the column body of the guide column, and an insertion groove is formed in the center of the insertion plate.
Further, in the above secondary injection molding device, the insertion groove is a cross groove, and an output shaft of the servo motor is provided with a crosshead.
Further, in the above secondary injection molding device, the groove width of the annular limiting groove is equal to the outer diameter of the limiting screw.
Further, in the above-mentioned two-shot moulding device, the axes of the two radial through holes are perpendicular to each other.
The utility model has the advantages that:
the utility model has reasonable structural design, and flow direction control is carried out by arranging the flow guide column to replace two opening and closing valves, thereby simplifying the installation process, reducing the production and manufacturing cost of the device and being beneficial to daily maintenance; on the other hand, the flow resistance is prevented from being increased, and the blocking phenomenon is not easy to occur. In addition, the plug can be dismantled, is convenient for regularly clear up the water conservancy diversion hole of mount pad.
Of course, it is not necessary for any product to achieve all of the above advantages simultaneously in practicing the invention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of the present invention;
fig. 2 is a schematic structural view of the middle flow guiding column of the present invention;
FIG. 3 is a schematic cross-sectional view taken along plane A-A of FIG. 2;
FIG. 4 is a schematic cross-sectional view taken along plane B-B of FIG. 2;
in the drawings, the components represented by the respective reference numerals are listed below:
1-mounting seat, 2-nozzle mounting cylinder, 3-nozzle, 4-motor support, 5-guide column, 501-column, 502-annular limiting groove, 503-plugboard, 504-central through hole, 505-radial through hole, 6-servo motor, 7-fastening screw, 8-limiting screw, 9-injection molding extrusion mechanism, 10-first guide hole, 11-second guide hole and 12-plug.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, the present embodiment is a secondary injection molding apparatus, including a mounting base 1, a nozzle mounting cylinder 2 disposed on a front side of the mounting base 1, and a motor support 4 disposed on a rear side of the mounting base. The nozzle mounting cylinder 2 is fixedly provided with a nozzle 3 through a fastening screw 7, the center of the nozzle 3 is provided with a spraying channel, and the outer wall of the nozzle 3 is provided with a circle of positioning holes matched with the fastening screw 7. The inside of mount pad 1 is pegged graft and is had the water conservancy diversion post 5 that can revolve around self axis, and motor support 4 is fixed with servo motor 6, and servo motor 6's output shaft is pegged graft fixedly with water conservancy diversion post 5. The nozzle mounting barrel 2 is screwed with a limit screw 8 for preventing the axial displacement of the guide post 5.
In this embodiment, the guide column 5 includes a column 501, an annular limiting groove 502 is provided near the front side of the column 501, and the groove width of the annular limiting groove 502 is equal to the outer diameter of the limiting screw. One end of the column 501 is provided with a central through hole 502 which is communicated with the nozzle 3 along the axial line inwards, the outer wall of the column 501 is provided with two radial through holes 505 which are communicated with the central through hole 504 inwards, and the axial lines of the two radial through holes are vertical to each other. The rear side of the column 501 of the guide column is provided with a plugboard 503, and the center of the plugboard 503 is provided with a pluggroove. The inserting groove is a cross groove, and a cross head is arranged on an output shaft of the servo motor 6.
In this embodiment, two first diversion holes 10 and two second diversion holes 11 are symmetrically formed in the mounting base 1, and each first diversion hole 10 is communicated with the second diversion hole 11 on the same side. The outer end of the first diversion hole 10 is connected with a plug 12 in a threaded mode, and the inner end of the plug 12 is located on the periphery of a connection point of the first diversion hole 10 and the second diversion hole 11. The outer end of the second diversion hole 11 is communicated with the output port of the injection molding extrusion mechanism 9.
One specific application of this embodiment is: the flow direction control device is reasonable in structural design, the flow direction control is performed by arranging the flow guide columns 5 instead of two opening and closing valves, on one hand, the installation process is simplified, the production and manufacturing cost of the device is reduced, and the daily maintenance is facilitated; on the other hand, the flow resistance is prevented from being increased, and the phenomenon of pipeline blockage is not easy to occur. In addition, the plug can be dismantled, is convenient for regularly clear up the water conservancy diversion hole of mount pad.
The preferred embodiments of the present invention disclosed above are only advantageous to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a secondary injection moulding device which characterized in that: the nozzle mounting device comprises a mounting seat, wherein a nozzle mounting cylinder is arranged on the front side of the mounting seat, a motor support is arranged on the rear side of the mounting seat, a nozzle is fixedly mounted on the nozzle mounting cylinder through a fastening screw, a guide post capable of rotating around the axis of the nozzle mounting cylinder is inserted into the mounting seat, a servo motor is fixed on the motor support, an output shaft of the servo motor is inserted and fixed with the guide post, and a limit screw rod for preventing the guide post from axially moving is screwed at the position of the nozzle mounting cylinder; the flow guide column comprises a column body, an annular limiting groove is formed in the position, close to the front side, of the column body, a central through hole communicated with the nozzle is formed in one end of the column body inwards along the axis, and two radial through holes communicated with the central through hole are formed in the outer wall of the column body inwards; two first water conservancy diversion holes and two second water conservancy diversion holes have been seted up to the mount pad symmetry, and every first water conservancy diversion hole communicates with the second water conservancy diversion hole of homonymy, the outer end spiro union in first water conservancy diversion hole has the end cap, second water conservancy diversion hole outer end communicates with the delivery outlet of the extrusion mechanism of moulding plastics.
2. The two-shot molding apparatus of claim 1, wherein: the center of the nozzle is provided with a spraying channel, and the outer wall of the nozzle is provided with a circle of positioning holes matched with the fastening screws.
3. The two-shot molding apparatus of claim 1, wherein: the rear side of the column body of the flow guide column is provided with a plug board, and the center of the plug board is provided with a plug groove.
4. The two-shot molding apparatus of claim 3, wherein: the inserting groove is a cross groove, and a cross head is arranged on an output shaft of the servo motor.
5. The two-shot molding apparatus of claim 1, wherein: the groove width of the annular limiting groove is equal to the outer diameter of the limiting screw rod.
6. The two-shot molding apparatus of claim 1, wherein: the axes of the two radial through holes are perpendicular to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120836672.1U CN214562463U (en) | 2021-04-22 | 2021-04-22 | Secondary injection molding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120836672.1U CN214562463U (en) | 2021-04-22 | 2021-04-22 | Secondary injection molding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214562463U true CN214562463U (en) | 2021-11-02 |
Family
ID=78327657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120836672.1U Active CN214562463U (en) | 2021-04-22 | 2021-04-22 | Secondary injection molding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214562463U (en) |
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2021
- 2021-04-22 CN CN202120836672.1U patent/CN214562463U/en active Active
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