CN216609882U - Injection molding device - Google Patents

Abstract

The utility model provides an injection molding device, comprising: the main body part is provided with an injection molding cavity; the main injection molding nozzle is arranged on the main body part, and the inflow port of the main injection molding nozzle is positioned on the outer surface of the main body part; the sub-injection molding nozzle is arranged on the main body part, the sub-injection molding nozzle is communicated with the main injection molding nozzle, and the outflow port of the sub-injection molding nozzle is communicated with the injection molding cavity; the injection molding machine comprises at least two main injection molding nozzles, wherein the at least two main injection molding nozzles are communicated with a separate injection molding nozzle, so that melts in the at least two main injection molding nozzles are converged and form an injection molding surface with preset flow crease line grains through the separate injection molding nozzle. Through the technical scheme provided by the utility model, the technical problem that an injection molding finished product with specific grains cannot be injection molded in the prior art can be solved.

Description

Injection molding device

Technical Field

The utility model relates to the technical field of injection molding devices, in particular to an injection molding device.

Background

At present, in the injection molding device in the prior art, melt is generally poured into a main injection nozzle, flows into a separate injection nozzle, and is injected through the separate injection nozzle.

However, the injection molding apparatus in the prior art can only produce injection molded products with smooth appearance, and cannot form injection molded products with specific lines of appearance.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide an injection molding device to solve the technical problem that an injection molding finished product with specific lines cannot be injection molded in the prior art.

In order to achieve the above object, the present invention provides an injection molding apparatus comprising: the main body part is provided with an injection molding cavity; the main injection molding nozzle is arranged on the main body part, and the inflow port of the main injection molding nozzle is positioned on the outer surface of the main body part; the sub-injection molding nozzle is arranged on the main body part, the sub-injection molding nozzle is communicated with the main injection molding nozzle, and the outflow port of the sub-injection molding nozzle is communicated with the injection molding cavity; the injection molding machine comprises at least two main injection molding nozzles, wherein the at least two main injection molding nozzles are communicated with a separate injection molding nozzle, so that an injection molding surface with preset flow crease line grains is formed by the separate injection molding nozzle after fusants in the at least two main injection molding nozzles are converged.

Furthermore, the separate injection molding nozzles and the main injection molding nozzles are arranged at intervals, a sub-runner is arranged between the separate injection molding nozzles and the main injection molding nozzles, and the at least two main injection molding nozzles and the separate injection molding nozzles are communicated with the sub-runner so as to enable the melt flowing out of the at least two main injection molding nozzles to be converged in the sub-runner.

Furthermore, the main injection molding nozzle comprises a first main injection molding nozzle and a second main injection molding nozzle which are arranged at intervals, and the sub-runner comprises a first sub-runner branch, a second sub-runner branch and a connecting sub-runner branch; the first shunting branch is positioned between the first main injection molding nozzle and the separate injection molding nozzle so as to enable the first main injection molding nozzle to be communicated with the separate injection molding nozzle through the first shunting branch; the second branch is arranged between the second main injection molding nozzle and the separate injection molding nozzle so that the second main injection molding nozzle is communicated with the separate injection molding nozzle through the second branch; the first main injection molding nozzle, the second main injection molding nozzle, the first branch circuit and the second branch circuit are communicated with the connecting branch channel, so that fused masses in the first main injection molding nozzle and the second main injection molding nozzle are converged in the connecting branch channel and then enter the first branch circuit and the second branch circuit.

Furthermore, connect the subchannel and include first connection runner, first connection runner extends along the horizontal direction, and first main mouth and the second of moulding plastics are all connected with first connection runner, and first reposition of redundant personnel branch road and second reposition of redundant personnel branch road all communicate with first connection runner to make and mould plastics the melt that the mouth flowed out by first main mouth and the second of moulding plastics and flow into first reposition of redundant personnel branch road and second reposition of redundant personnel branch road.

Further, connect the subchannel and include that the second connects the runner, runner and fourth connection runner are connected to the third, runner and fourth connection runner are connected all to the second and are extended along the horizontal direction, runner and third connection runner interval setting are connected to the second, runner's one end and second connection runner intercommunication are connected to the third, runner's the other end and the third connection runner intercommunication are connected to the third, first main mouth and the second of moulding plastics are moulded plastics the mouth and are all connected the runner intercommunication with the second, first reposition of redundant personnel branch road and second reposition of redundant personnel branch road all are connected the runner intercommunication with the fourth.

Furthermore, the first branch flow path and the second branch flow path are respectively positioned at two sides of the main injection molding nozzle.

Further, the first branch path and the second branch path are symmetrically arranged.

Further, the connecting branch passage is located between the first branch passage and the second branch passage.

Further, the injection molding apparatus further comprises: the connecting pipe fitting is arranged on the main body part, is positioned between the main injection nozzle and the dispensing plastic nozzle and is provided with a connecting flow path, and the connecting pipe fitting is connected with the dispensing plastic nozzle so as to enable the connecting flow path to be communicated with an injection flow channel of the dispensing plastic nozzle; the sub-runner is positioned between the connecting flow path and the main injection molding nozzle, so that fluid in the sub-runner is communicated with the injection molding flow path through the connecting flow path.

Further, connect and have relative first port and the second port that sets up in the flow path, first port with mould plastics the runner intercommunication, the cylinder subassembly is installed to the second port, the device of moulding plastics still includes: and the valve needle is connected with the cylinder assembly, movably arranged in the connecting flow path and the injection flow path, and spaced from the inner wall of the connecting flow path so that the melt in the branch flow path flows into a gap between the valve needle and the connecting flow path.

By applying the technical scheme of the utility model, when in injection molding, the melts are injected into the at least two main injection nozzles simultaneously, then the melts in the at least two main injection nozzles are converged and flow out through the separate injection nozzles, and finally the injection molding surface with the preset flow crease line grains is formed, so that the structure of the injection molding surface with the preset flow crease line grains or grains can be obtained according to the requirement. Simple structure, the simple operation has reduced manufacturing cost.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 illustrates a cross-sectional view of an injection molding apparatus provided in accordance with an embodiment of the present invention;

fig. 2 shows a cross-sectional view of an injection molding apparatus provided according to a second embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a main body portion; 11. an injection molding cavity; 20. a main injection nozzle; 21. a first main injection nozzle; 22. a second main injection nozzle; 30. dividing an injection molding nozzle; 31. injection molding a runner; 40. a shunt; 41. a first shunt branch; 42. a second shunt branch; 43. connecting the branch passages; 431. a first connecting flow passage; 432. a second connecting flow channel; 433. a third connecting flow channel; 434. a fourth connecting flow channel; 50. connecting pipe fittings; 51. a connection flow path; 60. a cylinder assembly; 70. the valve needle.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 and 2, an embodiment of the present invention provides an injection molding apparatus including a main body 10, a main injection nozzle 20, and a sub-injection nozzle 30, the main body 10 having an injection cavity 11, the main injection nozzle 20 being mounted on the main body 10, an inflow port of the main injection nozzle 20 being located at an outer surface of the main body 10. The sub-injection nozzle 30 is attached to the main body 10, the sub-injection nozzle 30 and the main injection nozzle 20 are provided in communication, and an outflow port of the sub-injection nozzle 30 is in communication with the injection cavity 11. The injection molding device comprises at least two main injection molding nozzles 20, wherein the at least two main injection molding nozzles 20 are communicated with a separate injection molding nozzle 30, so that an injection molding surface with preset flow crease line grains is formed by the separate injection molding nozzle 30 after melts in the at least two main injection molding nozzles 20 are converged.

By adopting the structure, when in injection molding, the melt is injected into the at least two main injection nozzles 20 simultaneously, and then the melt in the at least two main injection nozzles 20 is converged and flows out through the separate injection nozzle 30, and finally the injection molding surface with the preset flow crease line grains is formed, so that the structure of the injection molding surface with the preset flow crease line grains or grains can be obtained according to the requirement. Specifically, the melts in the at least two main injection nozzles 20 may be melts of different materials so as to form a predetermined flow trace line pattern or texture. At least two different colored materials are used in at least two of the primary nozzles 20.

In the present embodiment, the sub-nozzles 30 are spaced apart from the main nozzle 20, the sub-runners 40 are disposed between the sub-nozzles 30 and the main nozzle 20, and at least two of the main nozzles 20 and the sub-nozzles 30 are communicated with the sub-runners 40, so that the melts flowing out from at least two of the main nozzles 20 are merged in the sub-runners 40. By adopting the structure, each sub-injection nozzle 30 corresponds to at least two main injection nozzles 20, so that the melts in the at least two main injection nozzles 20 are converged in the sub-runner 40 and flow out through the sub-injection nozzles 30 to form an injection molding surface with preset flow crease line grains.

Specifically, the main injection nozzle 20 comprises a first main injection nozzle 21 and a second main injection nozzle 22 which are arranged at intervals, and the branch passage 40 comprises a first branch passage 41, a second branch passage 42 and a connecting branch passage 43. The first branch passage 41 is positioned between the first main injection nozzle 21 and the dispensing plastic nozzle 30 so that the first main injection nozzle 21 is communicated with the dispensing plastic nozzle 30 through the first branch passage 41; the second branch path 42 is arranged between the second main injection nozzle 22 and the separate injection nozzle 30, so that the second main injection nozzle 22 is communicated with the separate injection nozzle 30 through the second branch path 42; the first main injection nozzle 21, the second main injection nozzle 22, the first branch 41 and the second branch 42 are all communicated with the connecting branch passage 43, so that the melts in the first main injection nozzle 21 and the second main injection nozzle 22 are merged in the connecting branch passage 43 and then enter the first branch passage 41 and the second branch passage 42. With such a structure, the fluid in the first main injection nozzle 21 and the fluid in the second main injection nozzle 22 can be merged in the connecting branch passage 43, and split again through the first split branch 41 and the second split branch 42, and finally merged in the separate injection nozzle 30 to form an injection surface with a preset flow crease line pattern.

In the first embodiment, the connection branch passage 43 includes a first connection flow passage 431, the first connection flow passage 431 extends in a horizontal direction, the first main injection nozzle 21 and the second main injection nozzle 22 are both communicated with the first connection flow passage 431, and the first branch passage 41 and the second branch passage 42 are both communicated with the first connection flow passage 431, so that the melt flowing out from the first main injection nozzle 21 and the second main injection nozzle 22 flows into the first branch passage 41 and the second branch passage 42. With the adoption of the structure, the fusant can be conveniently converged twice from the first main injection nozzle 21 and the second main injection nozzle 22 at the first connecting flow channel 431 and in the separate injection nozzle 30, and an injection molding surface with preset flow crease line grains can be formed better after twice convergence.

In the second embodiment, the connection diversion channel 43 includes a second connection flow channel 432, a third connection flow channel 433 and a fourth connection flow channel 434, the second connection flow channel 432 and the fourth connection flow channel 434 both extend along the horizontal direction, the second connection flow channel 432 and the third connection flow channel 433 are arranged at intervals, one end of the third connection flow channel 433 is communicated with the second connection flow channel 432, the other end of the third connection flow channel 433 is communicated with the third connection flow channel 433, the first main injection molding nozzle 21 and the second main injection molding nozzle 22 are both communicated with the second connection flow channel 432, and the first diversion branch 41 and the second diversion branch 42 are both communicated with the fourth connection flow channel 434. By adopting the structure, the second connecting flow channel 432, the third connecting flow channel 433 and the fourth connecting flow channel 434 form an I-shaped flow channel structure, the third converging and separating can be conveniently realized through the second connecting flow channel 432, the third connecting flow channel 433 and the fourth connecting flow channel 434, and the injection molding surface with the preset flowing crease line lines can be conveniently formed by two paths of melt after the third converging.

Specifically, in the above two embodiments, the first branch 41 and the second branch 42 are respectively located at two sides of the main injection nozzle 20, so as to better divide and merge two melt paths in the first branch 41 and the second branch 42, so as to better form an injection molding surface with a predetermined flow scoreline pattern.

In the above embodiment, the first branch flow 41 and the second branch flow 42 are symmetrically arranged to better divide and merge, so as to better form the injection molding surface with the predetermined flow crease line pattern.

Specifically, the connecting branch passage 43 is located between the first branch passage 41 and the second branch passage 42, that is, the first branch passage 41 and the second branch passage 42 are respectively located at two ends of the connecting branch passage 43. Adopt such structure setting, can be convenient for shunt before converging better to form the face of moulding plastics that has the line of predetermineeing the flow line better.

In the above embodiment, the injection molding apparatus further includes a connection pipe 50, the connection pipe 50 is mounted on the main body 10, the connection pipe 50 is located between the main injection nozzle 20 and the sub injection nozzles 30, the connection pipe 50 has a connection flow path 51, and the connection pipe 50 is connected to the sub injection nozzles 30 so that the connection flow path 51 communicates with the injection flow path 31 of the sub injection nozzle 30; wherein the branch passage 40 is located between the connection flow path 51 and the main injection nozzle 20, so that the fluid in the branch passage 40 is communicated with the injection flow path 31 through the connection flow path 51. By adopting the structure, the melt in the sub-channel 40 can be conveniently converged and buffered in the connecting flow path 51 and then enters the separate injection molding nozzle 30, so that the injection molding quality is ensured.

Specifically, in the above embodiment, the connection flow path 51 has the first port and the second port disposed oppositely, the first port communicating with the injection flow path 31, and the second port mounting the cylinder assembly 60. The injection molding apparatus further includes a needle 70, the needle 70 being connected to the cylinder assembly 60, the needle 70 being movably disposed in the connecting flow path 51 and the injection flow path 31, the needle 70 being disposed spaced apart from an inner wall of the connecting flow path 51 such that the melt in the branch flow path 40 flows into a gap between the needle 70 and the connecting flow path 51. With this arrangement, the injection melt can be discharged from the outlet of the dispensing nozzle 30 by the movement of the needle 70.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: the injection molding surface with the preset flowing crease line grains is convenient to form, the structure is simple, and the operation is convenient.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … … surface," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An injection molding apparatus, comprising:

a main body portion (10), the main body portion (10) having an injection molding cavity (11);

a main injection nozzle (20) mounted on the main body portion (10), an inflow port of the main injection nozzle (20) being located at an outer surface of the main body portion (10);

the sub injection molding nozzle (30) is arranged on the main body part (10), the sub injection molding nozzle (30) is communicated with the main injection molding nozzle (20), and an outflow port of the sub injection molding nozzle (30) is communicated with the injection molding cavity (11);

the injection molding machine is characterized in that the number of the main injection molding nozzles (20) is at least two, and the main injection molding nozzles (20) are communicated with the branch injection molding nozzles (30) so that the injection molding surface with the preset flow crease line grains is formed through the branch injection molding nozzles (30) after the melts in the main injection molding nozzles (20) are converged.

2. An injection moulding device according to claim 1, characterized in that said sub-nozzles (30) are arranged spaced apart from said main nozzles (20), that a branch runner (40) is arranged between said sub-nozzles (30) and said main nozzles (20), and that at least two of said main nozzles (20) and said sub-nozzles (30) are each in communication with said branch runner (40) so that the melt flowing out from at least two of said main nozzles (20) merges in said branch runner (40).

3. An injection-molding device according to claim 2, characterized in that said main injection nozzle (20) comprises a first main injection nozzle (21) and a second main injection nozzle (22) arranged at intervals, said branch channel (40) comprising a first branch channel (41), a second branch channel (42) and a connecting branch channel (43); the first branch flow path (41) is located between the first main injection nozzle (21) and the branch injection nozzle (30) so that the first main injection nozzle (21) communicates with the branch injection nozzle (30) through the first branch flow path (41); the second branch flow (42) is connected between the second main injection nozzle (22) and the sub-injection nozzle (30) so that the second main injection nozzle (22) is communicated with the sub-injection nozzle (30) through the second branch flow (42); the first main injection molding nozzle (21), the second main injection molding nozzle (22), the first branch path (41) and the second branch path (42) are communicated with the connecting branch path (43), so that fused masses in the first main injection molding nozzle (21) and the second main injection molding nozzle (22) are converged in the connecting branch path (43) and then enter the first branch path (41) and the second branch path (42).

4. An injection molding apparatus as claimed in claim 3, wherein said connection runner (43) comprises a first connection runner (431), said first connection runner (431) extends in a horizontal direction, said first main injection nozzle (21) and said second main injection nozzle (22) are both in communication with said first connection runner (431), and said first branch runner (41) and said second branch runner (42) are both in communication with said first connection runner (431), so that the melt flowing out from said first main injection nozzle (21) and said second main injection nozzle (22) flows into said first branch runner (41) and said second branch runner (42) after passing through said first connection runner (431).

5. An injection molding apparatus as claimed in claim 3, wherein said connection runner (43) comprises a second connection runner (432), a third connection runner (433), and a fourth connection runner (434), the second connection flow passage (432) and the fourth connection flow passage (434) both extend in a horizontal direction, the second connecting flow passage (432) and the third connecting flow passage (433) are arranged at intervals, one end of the third connecting flow passage (433) is communicated with the second connecting flow passage (432), the other end of the third connecting flow passage (433) is communicated with the third connecting flow passage (433), the first main injection nozzle (21) and the second main injection nozzle (22) are both communicated with the second connecting runner (432), the first branch flow path (41) and the second branch flow path (42) are both communicated with the fourth connecting flow passage (434).

6. An injection-molding device as claimed in claim 3, characterized in that said first branch (41) and said second branch (42) are located on either side of said main injection nozzle (20).

7. An injection-molding device according to claim 6, characterized in that said first branch-off branch (41) and said second branch-off branch (42) are symmetrically arranged.

8. An injection-molding device according to claim 6, characterized in that said connecting runner (43) is located between said first branch (41) and said second branch (42).

9. An injection molding apparatus as claimed in claim 2, further comprising:

a connection pipe (50) installed on the main body part (10), the connection pipe (50) being located between the main injection nozzle (20) and the sub injection nozzles (30), the connection pipe (50) having a connection flow path (51), the connection pipe (50) being connected with the sub injection nozzles (30) so that the connection flow path (51) communicates with the injection flow path (31) of the sub injection nozzles (30);

wherein the branch channel (40) is positioned between the connecting flow path (51) and the main injection nozzle (20) so that the fluid in the branch channel (40) is communicated with the injection flow path (31) through the connecting flow path (51).

10. An injection molding apparatus as claimed in claim 9, wherein said connection flow path (51) has first and second oppositely disposed ports therein, said first port communicating with said injection flow path (31), said second port having a cylinder assembly (60) mounted thereto, said injection molding apparatus further comprising:

a needle (70) connected to the cylinder assembly (60), the needle (70) being movably disposed in the connecting flow path (51) and the injection runner (31), the needle (70) being disposed spaced apart from an inner wall of the connecting flow path (51) such that the melt in the branch flow path (40) flows into a gap between the needle (70) and the connecting flow path (51).

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