CN217944074U - Composite material extrusion injection molding integral forming injection device - Google Patents
Composite material extrusion injection molding integral forming injection device Download PDFInfo
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- CN217944074U CN217944074U CN202222030833.5U CN202222030833U CN217944074U CN 217944074 U CN217944074 U CN 217944074U CN 202222030833 U CN202222030833 U CN 202222030833U CN 217944074 U CN217944074 U CN 217944074U
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Abstract
The utility model relates to a compound material is extruded and is moulded plastics integrated into one piece injection device, it belongs to the field of moulding plastics. The utility model comprises a nozzle, a plasticizing device, an overflow device, an upper storage device, a connecting body, a conversion valve plate, a lower storage device, a conversion valve core and an overflow valve core, wherein the plasticizing device is arranged on the connecting body, the nozzle is arranged on the conversion valve plate, and the conversion valve core is arranged in the conversion valve plate in a left-right sliding manner; the upper storage device comprises an upper storage cylinder, an upper storage piston rod and an upper storage cavity, wherein the upper storage cylinder is internally provided with the upper storage cavity, and the upper storage piston rod is slidably arranged in the upper storage cavity; the lower material storage device comprises a lower material storage cylinder, a lower material storage piston rod and a lower material storage cavity, wherein the lower material storage cylinder is internally provided with the lower material storage cavity, and the lower material storage piston rod is slidably arranged in the lower material storage cavity; overflow arrangement includes overflow case and overflow jar, overflow jar mobility control overflow case, the utility model discloses rational in infrastructure, safe and reliable has improved production efficiency, production quality and relevant spare part life, satisfies the user demand.
Description
Technical Field
The utility model relates to a device especially relates to a compound material is extruded and is moulded plastics integrated into one piece injection device, and it belongs to the field of moulding plastics.
Background
Along with the continuous excavation of the excellent characteristics of plastics, the injection molding processing can form complex and large-scale products, the efficiency is high, the production is convenient, and the application occasions of the injection molding products are continuously expanded.
In the production process of large injection molding products, the efficiency is not high because the whole production cycle is overlong, and the plastic is deteriorated because part of the plastic stays in the charging barrel for overlong time.
In addition, in conventional injection molding systems, because the plasticizing is performed intermittently, and the plasticizing screw is typically a long and thin rod, frequent start-stops often accelerate wear of the associated mechanical parts.
Therefore, it is particularly necessary to provide a composite material extrusion and injection molding integrated injection device which is safe and reliable, improves the production efficiency, the production quality and the service life of related parts.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design is reasonable, safe and reliable, the compound material that has improved production efficiency, production quality and relevant spare part life extrudes the integrative injection device that takes shape of moulding plastics.
The utility model provides a technical scheme that above-mentioned problem adopted is: this compound material is extruded and is moulded plastics integrated into one piece injection device, including nozzle and plasticizing device, its characterized in that: the plasticizing device is fixed on the connecting body; the nozzle is fixed on the conversion valve plate, and the conversion valve core is arranged in the conversion valve plate in a left-right sliding manner; the upper material storage device comprises an upper material storage cylinder, an upper material storage piston rod and an upper material storage cavity, wherein the upper material storage cylinder is internally provided with the upper material storage cavity, and the upper material storage piston rod is slidably arranged in the upper material storage cavity; the lower material storage device comprises a lower material storage cylinder, a lower material storage piston rod and a lower material storage cavity, wherein the lower material storage cylinder is internally provided with the lower material storage cavity, and the lower material storage piston rod is slidably arranged in the lower material storage cavity; the overflow device comprises an overflow valve core and an overflow cylinder, and the overflow cylinder controls the overflow valve core in a moving way; the conversion valve plate is provided with a lower storage inlet and a lower storage outlet and a connecting body cavity, the lower storage cylinder is fixed on the conversion valve plate, and the lower storage cavity is communicated with the lower storage inlet and the lower storage outlet; the upper storage cylinder is fixed on the connecting body, and the upper storage cavity is communicated with the connecting body cavity.
Preferably, the plasticizing device of the utility model comprises a screw and a screw charging barrel, wherein the screw is arranged in the screw charging barrel; the discharge port of the plasticizing device is communicated with the inlet of the plasticized plastic.
Preferably, the overflow device is connected with an overflow valve core, the overflow valve core is arranged in the extrusion molding assembly, and a valve core feed port, an overflow port and a discharge port are arranged in the overflow valve core
Preferably, connector, nozzle and lower storage vat all adopt unsmooth formula flange to fix on the conversion valve plate.
Preferably, still be provided with the left injection port of valve body and the right injection port of valve body in the conversion valve plate, the feed inlet and the left injection port of valve body and the right injection port intercommunication of valve body of nozzle.
Preferably, still be provided with the valve pocket in the conversion valve plate, conversion case horizontal slip installs in the valve pocket.
Preferably, the conversion valve core of the utility model is provided with a left valve core and a right valve core; one end of the left valve core is communicated with the lower storage cavity, the other end of the left valve core is connected with the upper storage cavity, one end of the right valve core is communicated with the plasticized plastic inlet, and the other end of the right valve core is communicated with the nozzle inlet.
Preferably, go up storage device and be provided with the electronic ruler in the storage device down respectively.
Compared with the prior art, the utility model, have following advantage and effect: (1) The device is reasonable in structural design, safe and reliable, and is provided with two flow paths in total, wherein one path is that the upper storage device is communicated with the lower storage device through the connecting body and the conversion valve plate, and the other path is that the lower storage device is communicated with the nozzle through the conversion valve plate and the conversion valve core; the problem that continuous injection production cannot be carried out in the product molding process of a plastic molding machine is solved, and meanwhile, the pre-molding part of the machine can be continuously pre-molded, so that the production efficiency and the production quality are improved, and the service lives of related parts are prolonged; (2) The device is provided with the overflow device, the overflow valve core is arranged in the plasticizing device, and the uniform plasticization of the plastic is ensured in the uninterrupted preplasticizing process, so that the plasticized plastic cannot be extruded by excessive materials to change the molecular structure and destroy the product quality; greatly improving the production quality and the service life of related parts.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic sectional view of an embodiment of the present invention, in which the switching valve element is in a left open position.
Fig. 3 is a schematic sectional view of an embodiment of the present invention, in which the switching valve element is in a right opening position.
Fig. 4 is the structure sketch map of the utility model discloses embodiment conversion valve plate.
Fig. 5 is the utility model discloses a section structure sketch map of conversion valve plate.
Fig. 6 is a schematic structural diagram of a changeover valve element according to an embodiment of the present invention.
Fig. 7 is a schematic view of a cutting structure of the changeover valve core in the embodiment of the present invention.
In the figure: the device comprises a plasticizing device 1, an overflow device 2, an upper material storage device 3, a connecting body 4, a conversion valve plate 5, a lower material storage device 6, a nozzle 7, a conversion valve core 8 and an overflow valve core 9; the device comprises an overflow cylinder 10, an upper storage cylinder 11, an upper storage piston rod 12, an upper storage cavity 13, a lower storage cylinder 21, a lower storage piston rod 22, a lower storage cavity 23, a lower storage inlet/outlet 31, a connecting body inlet/outlet 32, a valve body left injection port 33, a connecting body cavity 34, a valve body right injection port 35 and a valve cavity 36; a feeding hole 41 of the overflow valve core 9, a connecting body feeding hole 42, another feeding hole 43 of the overflow valve core and a discharge hole 44 of the overflow valve core.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Examples are given.
Referring to fig. 1 to 7, the composite material extrusion injection molding injection device of the embodiment includes a plasticizing device 1, an overflow device 2, an upper storage device 3, a connecting body 4, a conversion valve plate 5, a lower storage device 6, a nozzle 7, a conversion valve core 8 and an overflow valve core 9.
The plasticizing device 1 in the embodiment comprises a screw and a screw barrel, wherein the screw is arranged in the screw barrel; the discharge port of the plasticizing device is communicated with the inlet of the plasticized plastic.
The overflow device 2 in the embodiment comprises an overflow cylinder 10 and an overflow valve core 9, wherein the overflow cylinder 10 controls the overflow valve core 9 in a moving way, and the overflow valve core 9 is arranged in an extrusion molding assembly; the overflow valve core 9 is provided with a valve core feeding hole, an overflow hole and a discharging hole.
The upper material storage device 3 in this embodiment includes an upper material storage cylinder 11, an upper material storage piston rod 12 and an upper material storage cavity 13, the upper material storage cylinder 11 is provided with the upper material storage cavity 13 therein, and the upper material storage piston rod 12 is slidably mounted in the upper material storage cavity 13.
The lower material storage device 6 in this embodiment includes a lower material storage cylinder 21, a lower material storage piston rod 22 and a lower material storage cavity 23, the lower material storage cylinder 21 is provided with the lower material storage cavity 23, and the lower material storage piston rod 22 is slidably mounted in the lower material storage cavity 23.
The conversion valve plate 5 in this embodiment is provided with a lower storage inlet and outlet 31, a connector inlet and outlet 32, a left valve body injection port 33, a connector body cavity 34, a right valve body injection port 35 and a valve cavity 36, the lower storage cylinder 21 is fixed on the conversion valve plate 5 by adopting a concave-convex flange, the lower storage cavity 23 is communicated with the lower storage inlet and outlet 31, and a feed inlet of the nozzle 7 is communicated with the left valve body injection port 33 and the right valve body injection port 35.
The connecting body 4 in this embodiment is fixed on the conversion valve plate 5 by adopting a concave-convex flange, and the upper storage cavity 13 is communicated with the connecting body cavity 34.
The nozzle 7 in this embodiment is fixed on the conversion valve plate 5 by adopting a concave-convex flange, and a feed inlet of the nozzle 7 is communicated with the left valve body injection port 33 and the right valve body injection port 35.
The conversion valve core 8 in the embodiment is installed in the valve cavity of the conversion valve plate 5 in a left-right sliding manner; the conversion valve core 8 is provided with a left valve core and a right valve core; one end of the left valve core is communicated with the lower storage cavity 23, the other end of the left valve core is connected with the upper storage cavity 13, one end of the right valve core is communicated with the plasticized plastic inlet, and the other end of the right valve core is communicated with the nozzle 7 inlet.
The left and right positions of the conversion valve core 8 are driven by the conversion oil cylinder, when the conversion valve core 8 slides leftwards to the left opening position, one end of the left valve core discharge hole is communicated with the upper storage cavity 13, the other end of the left valve core discharge hole is communicated with the lower storage cavity 23, after the conversion valve core 8 leaves the left opening position, one end of the right valve core discharge hole is isolated from the upper storage cavity 13, and the other end of the right valve core discharge hole is communicated with the right valve body injection port 35.
The left valve core position, the lower storage inlet and outlet 31 and the connector inlet and outlet 32 are communicated, the valve body left injection port 33 is blocked with the connector cavity 34, meanwhile, the feeding port 41 of the overflow valve core 9 is communicated with the connector feeding port 42, the plasticizing device 1 extrudes plasticized plastic into the connector 4 through preplastication, and the plasticized plastic enters the lower storage cavity 23 through the left valve core channel until the lower storage piston rod 22 retreats to the formulated position.
And at the right valve core position, a left injection port 33 of the valve body is communicated with a connecting body cavity 34, a lower storage inlet/outlet 31 and a connecting body inlet/outlet 32 are blocked, plasticized plastics are extruded into a connecting body 4 by a plasticizing device 1 through preplastication and then enter an upper storage cavity 13 until an upper storage piston rod 12 reaches a set position, at this time, if the injection action is not finished, the position of an overflow valve core 9 is seen to be switched, and the other feed port 43 of the overflow valve core is communicated with an overflow valve core discharge port 44 to overflow residual materials.
The working process of the composite material extrusion injection molding integrated injection device is provided with the safety switch, the control program of the safety switch circularly starts and ends, the safety switch is turned on to obtain the start of the working process, and the safety switch is turned off to obtain the end of the working process. The work flow is a cycle through a safety switch, and because the pre-molding device needs to be closed in the cycle before the safety switch is closed, the cycle starts to default the injection of the double storage devices to the bottom.
In the working process of the composite material extrusion injection molding integral forming injection device of the embodiment, two process path switches are arranged, the two process path switches are not gate logic, and one process path switch is turned on and the other process path switch is turned off.
In this embodiment, the electronic ruler is respectively arranged in the material storing device 3 and the material storing device 6, after the electronic ruler obtains a full state signal of the material storing device, the program flow is continued, after the full state signal is received by the electronic ruler in the material storing device 6, the conversion valve core 8 is switched to the right valve core channel to work, the flow path switch in the material storing device 3 is opened, and after the full state signal is received by the electronic ruler in the material storing device 2, the overflow valve core 9 is switched to the overflow valve core position.
During installation, the conversion valve core 8 and the overflow valve core 9 are both required to be provided with a small piston type hydraulic oil cylinder on one side as a moving device for conversion states, the upper storage device 3 and the lower storage device 6 are also required to be provided with piston type hydraulic oil cylinders respectively as moving devices for conversion of storage and injection states, the small piston type hydraulic oil cylinder controls the conversion valve core 8 to be capable of rapidly switching the working state, the switching time is extremely short, and the time length can be ignored relative to a production cycle.
The working process of the composite material extrusion injection molding integral forming injection device of the embodiment is as follows:
(S1) referring to FIG. 2, plasticized plastics in a plasticizing device 1 enter a conversion valve plate 5 through a connecting body 4, a conversion valve core 8 slides to a left opening position, a lower storage inlet and outlet 31 is communicated with a connecting body inlet and outlet 32, at the moment, an upper storage piston rod 12 moves downwards, a lower storage cavity 13 is in a closed state, the plasticized plastics enter a lower storage cavity 23 through the valve core, a lower storage piston rod 22 slides to a specified position, the lower storage is finished, and the conversion valve core 8 slides to a right opening position; the lower material storage piston rod 22 slides rightwards, and plasticized plastic is injected into the die through the conversion valve core 8 and the nozzle 7;
(S2) referring to FIG. 2, when the conversion valve core 8 slides to a right opening position, the lower storage inlet and outlet 31 is communicated with the left injection port 33 of the valve body, the lower storage inlet and outlet 31 is blocked by the connecting body inlet and outlet 32, the plasticizing device 1 continues to work in the process that the lower storage piston rod 22 slides rightwards, plasticized plastics enter the upper storage cavity 13 of the upper storage device 3 through the connecting body 4, the upper storage piston rod 12 slides to a specified position, at the moment, the injection of the lower storage device 6 is not finished, the piston rod of the overflow device 2 slides, the overflow valve core 9 switches the communication between the overflow valve core inlet 43 and the overflow valve core outlet 44, and the plasticized plastics overflow; after the injection of the lower storage device 6 is finished, the conversion valve core 8 slides to a left opening position, at the moment, the plasticizing device 1 continues to work, the upper storage piston rod 12 of the upper storage device 3 slides downwards at the same time, the plasticized plastics in the plasticizing device 1 and the upper storage cavity 13 are extruded into the lower storage cavity 23 at the same time, and the injection is finished again;
and (2) continuously switching the state (S1) and the state (S2) in a circulating way so as to achieve the effect of uninterrupted preplastication and uninterrupted injection.
And will be apparent to those skilled in the art from the foregoing description.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (8)
1. The utility model provides a compound material is extruded and is moulded plastics integrated into one piece injection apparatus, includes nozzle (7) and plasticizing device (1), its characterized in that: the automatic material storage device is characterized by further comprising an overflow device (2), an upper material storage device (3), a connecting body (4), a conversion valve plate (5), a lower material storage device (6), a conversion valve core (8) and an overflow valve core (9), wherein the plasticizing device (1) is fixed on the connecting body (4); the nozzle (7) is fixed on the conversion valve plate (5), and the conversion valve core (8) is arranged in the conversion valve plate (5) in a left-right sliding manner; the upper storage device (3) comprises an upper storage cylinder (11), an upper storage piston rod (12) and an upper storage cavity (13), the upper storage cylinder (11) is internally provided with the upper storage cavity (13), and the upper storage piston rod (12) is slidably arranged in the upper storage cavity (13); the lower storage device (6) comprises a lower storage cylinder (21), a lower storage piston rod (22) and a lower storage cavity (23), the lower storage cylinder (21) is internally provided with the lower storage cavity (23), and the lower storage piston rod (22) is installed in the lower storage cavity (23) in a sliding manner; the overflow device (2) comprises an overflow valve core (9) and an overflow cylinder (10), and the overflow cylinder (10) controls the overflow valve core (9) in a moving way; a lower storage inlet and outlet (31) and a connecting body cavity (34) are arranged in the conversion valve plate (5), a lower storage cylinder (21) is fixed on the conversion valve plate (5), and a lower storage cavity (23) is communicated with the lower storage inlet and outlet (31); the upper material storage cylinder (11) is fixed on the connecting body (4), and the upper material storage cavity (13) is communicated with the connecting body cavity (34).
2. The composite material extrusion injection molding integral forming injection device according to claim 1, characterized in that: the plasticizing device (1) comprises a screw and a screw charging barrel, and the screw is arranged in the screw charging barrel; the discharge port of the plasticizing device (1) is communicated with the plasticized plastic inlet.
3. The composite extrusion injection molding integral forming injection device according to claim 1, characterized in that: the overflow device (2) is connected with an overflow valve core (9), the overflow valve core (9) is arranged in the extrusion molding assembly, and a valve core feeding hole, an overflow hole and a discharging hole are formed in the overflow valve core (9).
4. The composite extrusion injection molding integral forming injection device according to claim 1, characterized in that: the connecting body (4), the nozzle (7) and the lower storage cylinder (21) are fixed on the conversion valve plate (5) through concave-convex flanges.
5. The composite material extrusion injection molding integral forming injection device according to claim 1, characterized in that: the conversion valve plate (5) is also provided with a left valve body injection port (33) and a right valve body injection port (35), and a feed inlet of the nozzle (7) is communicated with the left valve body injection port (33) and the right valve body injection port (35).
6. The composite extrusion injection molding integral forming injection device according to claim 1, characterized in that: the conversion valve plate (5) is also provided with a valve cavity (36), and the conversion valve core (8) is installed in the valve cavity (36) in a left-right sliding mode.
7. The composite material extrusion injection molding integral forming injection device according to claim 1, characterized in that: a left valve core and a right valve core are arranged in the conversion valve core (8); one end of the left valve core is communicated with the lower storage cavity (23), the other end of the left valve core is connected with the upper storage cavity (13), one end of the right valve core is communicated with the plasticized plastic inlet, and the other end of the right valve core is communicated with the nozzle (7).
8. The composite material extrusion injection molding integral forming injection device according to claim 1, characterized in that: and the upper material storage device (3) and the lower material storage device (6) are respectively provided with an electronic ruler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222030833.5U CN217944074U (en) | 2022-08-03 | 2022-08-03 | Composite material extrusion injection molding integral forming injection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222030833.5U CN217944074U (en) | 2022-08-03 | 2022-08-03 | Composite material extrusion injection molding integral forming injection device |
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| CN217944074U true CN217944074U (en) | 2022-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202222030833.5U Active CN217944074U (en) | 2022-08-03 | 2022-08-03 | Composite material extrusion injection molding integral forming injection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117549487A (en) * | 2024-01-11 | 2024-02-13 | 成都鸿能精密机械有限公司 | Shuttle valve assembly |
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2022
- 2022-08-03 CN CN202222030833.5U patent/CN217944074U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117549487A (en) * | 2024-01-11 | 2024-02-13 | 成都鸿能精密机械有限公司 | Shuttle valve assembly |
| CN117549487B (en) * | 2024-01-11 | 2024-04-12 | 成都鸿能精密机械有限公司 | Shuttle valve assembly |
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