CN210308753U - Injection device - Google Patents
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- CN210308753U CN210308753U CN201920790141.6U CN201920790141U CN210308753U CN 210308753 U CN210308753 U CN 210308753U CN 201920790141 U CN201920790141 U CN 201920790141U CN 210308753 U CN210308753 U CN 210308753U
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Abstract
The injection device comprises a nozzle head and a confluence plate which are sequentially matched and connected, wherein at least two material pipes are arranged on the confluence plate and used for injecting different materials, namely a first material pipe and a second material pipe respectively, a nozzle core is arranged between the nozzle head and the confluence plate, a switching valve is further arranged on the nozzle core and movably arranged on the nozzle core, and the switching valve drives the first material on the first material pipe to enter the second material pipe when moving, and is distributed with the second material of the second material pipe in a front-back manner and finally is ejected through the nozzle head. The utility model discloses an improvement of above-mentioned structure, it is reasonable to have simple structure, excellent performance, low in manufacturing cost, small, easy production, easy maintenance, the action is few, the cycle is short, efficient, the process debugging is simple, the shaping is effectual, safe and reliable and application range are wide.
Description
Technical Field
The utility model relates to an injection device, in particular to an injection device for producing sandwich handicraft products.
Background
In the field of plastic product market, the requirement of a part of products on an outer skin layer (hereinafter referred to as material A) is relatively high, and in order to achieve the purpose of saving material cost, the products are generally injected by multiple components, and cheap materials (hereinafter referred to as material B) are filled in the core part of the products to form a sandwich process product. The common solutions at present are:
firstly, a shuttle valve is added into a nozzle device, the material A is firstly injected into a die cavity, and then the material B is injected into the die cavity through the switching of the shuttle valve, so as to form the sandwich craft product. The scheme is easy to generate the problems of cross-linking marks, shrinkage marks, flowing water marks and the like, and the debugging of the injection process is complex.
Moving the material B injection nozzle out of the fixed mold plate, moving the material A injection nozzle of the second component unit to be butted with the material B injection nozzle, injecting the material A into a material pipe of the material B through the material B injection nozzle, moving the material A injection nozzle to the original position, moving the material B injection nozzle into the fixed mold plate to jack a mold glue inlet, and simultaneously injecting the material AB into a mold cavity through the material pipe of the material B to form the sandwich process product. The scheme has the advantages of multiple machine table actions, long period, complex structure and large occupied space.
Therefore, further improvements are necessary.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a simple structure is reasonable, the performance is excellent, low in manufacturing cost, small, easy production, easy maintenance, the action is few, the cycle is short, efficient, the technology debugging is simple, the shaping is effectual, safe and reliable and application range wide injection device to overcome the weak point among the prior art.
An injection device according to this purpose design, including the nozzle head that cooperates the connection in proper order and close a class board, its characterized in that: the flow combining plate is provided with at least two material pipes which are used for injecting different materials and are respectively a first material pipe and a second material pipe, a nozzle core is arranged between the nozzle head and the flow combining plate, the nozzle core is also provided with a switching valve, the switching valve is movably arranged on the nozzle core, drives the first material on the first material pipe to enter the second material pipe when moving, and is distributed with the second material of the second material pipe in a front-back manner, and finally is ejected through the nozzle head.
The nozzle core is provided with a first material channel, a second material channel, a material passing channel and a material injecting channel which are communicated with each other; the first material pipe is communicated with the first material channel, and the second material channel is communicated with the second material pipe; the switching valve is movable on the nozzle core and switches the material passing channel and the material injecting channel during movement.
When the material passing channel is opened, the material injecting channel is closed, and the first material sequentially passes through the first material channel, the material passing channel and the second material channel to enter the second material pipe and is distributed with the second material in the second material pipe in a front-back mode.
When the injection channel is opened, the material passing channel is closed, and the first material and the second material in the second material pipe sequentially pass through the second material channel and the injection channel and are finally injected through the injection nozzle head.
The nozzle head and the confluence plate are connected in a head-to-tail matching manner, and a groove position is arranged in the nozzle head and the confluence plate; the nozzle core is arranged in the slot position; a first material channel is formed between the outer wall of the nozzle core and the inner wall of the flow combining plate or the groove position of the nozzle head, one end of the first material channel is communicated with the first material pipe, and the other end of the first material channel is communicated with the material passing channel.
A second material channel is arranged at the axis position of the nozzle core, one end of the second material channel is communicated with the material passing channel and the material injecting channel, and the other end of the second material channel is communicated with a second material pipe; the material passing channel and the material injecting channel are respectively a plurality of holes or grooves which are uniformly arranged along the circumferential direction of the nozzle core.
The first material pipe and the second material pipe are horizontally matched side by side, vertically matched vertically, horizontally matched vertically or matched at a certain included angle.
A first material transition channel and a second material transition channel are respectively arranged on the flow combining plate; the first material channel is communicated with the first material pipe through a first material transition channel; the second material passage is communicated with the second material pipe through a second material transition passage.
The nozzle core is also provided with a glue sealing head; the switching valve is positioned in the second material channel and is also provided with a valve hole, and the material passing channel is communicated with the second material channel through the valve hole; the switching valve is movably arranged on the glue sealing head in the front and back directions and switches and opens and closes the material passing channel and the material injecting channel during movement.
One end of the sealing glue head is fixedly arranged on the nozzle core, an injection channel is formed between the outer wall of the other end of the sealing glue head and the inner wall of the groove position of the nozzle head, and the injection channel is communicated with the injection channel.
The nozzle transition piece, the first transition flange and the second transition flange are further included; wherein, the head and the tail of the nozzle transition piece are respectively connected with the nozzle head and the confluence plate in a matching way, and a slot position is arranged in the three parts; the nozzle core is arranged in the slot position; the first transition flange and the second transition flange are respectively arranged at the end part of the flow combining plate; the confluence plate is communicated with the first material pipe and the second material pipe through a first transition flange and a second transition flange respectively.
An injection method of an injection device comprises the injection device; the device also comprises a fixing module; the injection device is fixedly arranged on the fixed module, and the injection method is as follows:
firstly, a first material pipe and a second material pipe which are multi-component or single-component are respectively assembled with a confluence plate together;
secondly, the first material enters through the first material pipe and then passes through the first material channel; the first material acts on and pushes the switching valve to move towards one direction on the nozzle core due to the injection action of the first material, and the switching valve opens the material passing channel and closes the material injecting channel when moving;
thirdly, the first material sequentially passes through the material passing channel and the second material channel to enter the second material pipe, and is distributed with the second material of the second material pipe in a front-back mode;
a pushing piece is arranged outside the second material pipe, and pushes the second material and the first material towards the inside of the second material pipe; due to the pushing action of the pushing piece, the first material and the second material can enter the second material channel and then act on and push the switching valve to move towards the other direction on the nozzle core, and the switching valve opens the material injection channel and closes the material passing channel when moving;
and fifthly, the first material and the second material pass through the injection passage and are finally injected into the die cavity through the nozzle head to form the sandwich process product.
The utility model discloses an improvement of above-mentioned structure sets up the first material passageway that communicates each other on penetrating the mouth core, the second material passageway, the punishment in advance passageway and penetrate the material passageway, recycle the activity switching punishment in advance passageway of diverter valve and penetrate the material passageway, make first material on the first material pipe get into in the second material pipe, and distribute around being with the second material of second material pipe, at last penetrate two kinds of materials that distribute simultaneously through penetrating the mouth head again to form intermediate layer technology goods.
Compared with the prior art, the method has the following advantages:
1. the injection and ejection actions of the material are less, so that the processing period is shortened, and the production efficiency is improved;
2. the structure is simple, the manufacturing and production cost is low, and the daily maintenance of a user is convenient;
3. the process is simple to debug and the molding effect is good;
4. the material can be used for sandwich process products of multi-component materials and single-component materials, and has strong universality and wide application range;
5. by adopting different flow combining plates, the at least two material pipes can be horizontally matched side by side, vertically matched, horizontally matched and matched vertically or matched at a certain included angle;
6. the whole injection device has small volume and small occupied space during assembly.
In summary, the device has the advantages of simple and reasonable structure, excellent performance, low manufacturing cost, small volume, easy production, easy maintenance, few actions, short period, high efficiency, simple process debugging, good forming effect, safety, reliability and wide application range.
Drawings
Fig. 1 is a schematic view of an assembly structure of an injection device and a fixed module according to a first embodiment of the present invention.
Fig. 2 is a schematic structural view of an injection device according to a first embodiment of the present invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-3, the injection device comprises a nozzle head 1 and a confluence plate 3 which are sequentially connected in a matching manner, wherein at least two material pipes are arranged on the confluence plate 3, the at least two material pipes are used for injecting different materials and are respectively a first material pipe 4 and a second material pipe 5, a nozzle core 6 is arranged between the nozzle head 1 and the confluence plate 3, a switching valve 7 is further arranged on the nozzle core 6, the switching valve 7 is movably arranged on the nozzle core 6, drives the first material on the first material pipe 4 to enter the second material pipe 5 during movement, and is distributed back and forth with the second material of the second material pipe 5, and finally the injection is ejected through the nozzle head 1.
Furthermore, a first material channel 8, a second material channel 9, a material passing channel 10 and a material injecting channel 11 which are communicated with each other are arranged on the nozzle core 6; wherein the first material pipe 4 is communicated with the first material channel 8, and the second material channel 9 is communicated with the second material pipe 5; the switching valve 7 is movable on the nozzle core 6 and switches the open and close of the material passing channel 10 and the material injecting channel 11 during movement.
When the material passing channel 10 is opened, the material injecting channel 11 is closed, and the first material sequentially passes through the first material channel 8, the material passing channel 10 and the second material channel 9 to enter the second material pipe 5 and is distributed back and forth with the second material in the second material pipe 5.
When the injection passage 11 is opened, the material passing passage 10 is closed, and the first material and the second material in the second material pipe 5 sequentially pass through the second material passage 9 and the injection passage 11 and are finally injected out through the nozzle head 1.
Further, the nozzle head 1 and the confluence plate 3 are matched and connected end to end, and a slot is arranged inside the nozzle head and the confluence plate; the nozzle core 6 is arranged in the slot position; a first material channel 8 is formed between the outer wall of the nozzle core 6 and the inner wall of the confluence plate 3 or the slot position of the nozzle head 1, one end of the first material channel 8 is communicated with the first material pipe 4, and the other end of the first material channel is communicated with the material passing channel 10.
Furthermore, a second material channel 9 is arranged at the axis position of the nozzle core 6, one end of the second material channel 9 is communicated with the material passing channel 10 and the material injecting channel 11, and the other end is communicated with the second material pipe 5; the material passing channel 10 and the material injecting channel 11 are respectively a plurality of holes or grooves uniformly arranged along the circumferential direction of the nozzle core 6.
Further, the first material pipe 4 and the second material pipe 5 are horizontally matched side by side, vertically matched vertically, horizontally matched vertically or matched with each other at a certain included angle. The mutual positions of the first material pipe 4 and the second material pipe 5 can be realized by matching different flow combining plates 3, and the mutual position relation between the first material pipe 4 and the second material pipe 5 is set to form a certain included angle for matching in the embodiment.
Further, a first material transition channel 12 and a second material transition channel 13 are respectively arranged on the confluence plate 3; the first material channel 8 is communicated with the first material pipe 4 through a first material transition channel 12; the second material passage 9 is communicated with the second material pipe 5 through a second material transition passage 13.
Furthermore, the nozzle core 6 is also provided with a glue sealing head 14; the switching valve 7 is positioned in the second material channel 9 and is also provided with a valve hole 15, and the material passing channel 10 is communicated with the second material channel 9 through the valve hole 15; the switching valve 7 is movably arranged on the glue sealing head 14 back and forth, and switches the material passing channel 10 and the material injecting channel 11 during movement.
Further, one end of the glue sealing head 14 is fixedly arranged on the nozzle core 6, an injection channel 16 is formed between the outer wall of the other end of the glue sealing head and the inner wall of the slot position of the nozzle head 1, and the injection channel 16 is communicated with the injection channel 11.
The injection device further comprises a nozzle transition piece 2, a first transition flange 17 and a second transition flange 18; the nozzle transition piece 2 is connected with the nozzle head 1 and the confluence plate 3 in a matched manner from head to tail, and slot positions are arranged in the three parts; the nozzle core 6 is arranged in the slot position; the first transition flange 17 and the second transition flange 18 are respectively arranged at the end parts of the confluence plate 3; the confluence plate 3 is respectively communicated with the first material pipe 4 and the second material pipe 5 through a first transition flange 17 and a second transition flange 18.
The injection method of the injection device also comprises a fixed module 19; the injection device is fixedly arranged on the fixed module 19, and the injection method is as follows:
firstly, a first material pipe 4 and a second material pipe 5 which are multi-component or single-component are respectively assembled with a confluence plate 3;
second, the first material enters through the first material tube 4 and then passes through the first material channel 8; the first material acts on and pushes the switching valve 7 to move towards one direction on the nozzle core 6 due to the injection action of the first material, and the switching valve 7 opens the material passing channel 10 and closes the material injecting channel 11 when moving;
thirdly, the first material sequentially passes through the material passing channel 10 and the second material channel 9 to enter the second material pipe 5 and is distributed with the second material of the second material pipe 5 in a front-back manner;
a pushing piece is arranged outside the second material pipe 5, and pushes the second material and the first material towards the inside of the second material pipe 5; due to the pushing action of the pushing piece, after the first material and the second material enter the second material channel 9, the first material and the second material act on and push the switching valve 7 to move towards the other direction on the nozzle core 6, and the switching valve 7 opens the material injection channel 11 and closes the material passing channel 10 when moving;
fifthly, the first material and the second material pass through the injection passage 11 and are finally injected into the die cavity through the nozzle head 1 to form the sandwich craft product
Specifically, referring to fig. 2 and 3, the injection method of the injection device is as follows:
firstly, a first material pipe 4 and a second material pipe 5 which are multi-component or single-component are assembled together with a confluence plate 3 through a first transition flange 17 and a second transition flange 18 respectively;
the first material enters through a first material pipe 4 and then sequentially passes through a first material transition passage 12 and a first material passage 8; due to the injection action of the first material, the first material acts on and pushes the switching valve 7 to move towards one direction on the sealing compound head 14, and when the switching valve 7 moves, the material passing channel 10 and the valve hole 15 are opened, and the material injecting channel 11 is closed;
thirdly, the first material sequentially passes through the material passing channel 10, the valve hole 15, the second material channel 9 and the second material transition channel 13 to enter the second material pipe 5 and is distributed with the second material of the second material pipe 5 in a front-back manner;
a pushing piece is arranged outside the second material pipe 5, and pushes the second material and the first material towards the inside of the second material pipe 5; due to the pushing action of the pushing piece, after the first material and the second material enter the second material transition channel 13, the first material and the second material act on and push the switching valve 7 to move towards the other direction on the sealing glue head 14, and the switching valve 7 opens the material injection channel 11 and closes the material passing channel 10 and the valve hole 15 when moving;
and fifthly, the first material and the second material sequentially pass through the injection passage 11 and the injection passage 16, and are finally injected through the nozzle head 1 and simultaneously injected into the mold cavity to form the sandwich process product.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.
Also, the drawings are for illustrative purposes only and are presented as schematic illustrations only, not as physical illustrations, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Moreover, like or similar reference numerals in the drawings of the embodiments of the present invention correspond to like or similar parts; in the description of the present invention, it should be understood that, if there are any terms such as "upper", "lower", "left", "right", "vertical", "horizontal", "longitudinal", "top", "bottom", "inner", "outer", etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is for convenience and simplicity, and it is not intended to indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, the terms describing the positional relationships in the drawings are used for illustrative purposes only and are not to be construed as limiting the present patent.
Claims (9)
1. The utility model provides an injection apparatus, includes nozzle head (1) and the board (3) that closes that cooperate to connect in proper order, its characterized in that: the flow combining plate (3) is provided with at least two material pipes which are used for injecting different materials and are respectively a first material pipe (4) and a second material pipe (5), a nozzle core (6) is arranged between the nozzle head (1) and the flow combining plate (3), the nozzle core (6) is further provided with a switching valve (7), the switching valve (7) is movably arranged on the nozzle core (6), drives the first material on the first material pipe (4) to enter the second material pipe (5) when moving, and is distributed back and forth with the second material of the second material pipe (5) and finally is injected through the nozzle head (1).
2. The injection device of claim 1, wherein: the nozzle core (6) is provided with a first material channel (8), a second material channel (9), a material passing channel (10) and a material injecting channel (11) which are communicated with each other; wherein the first material pipe (4) is communicated with the first material channel (8), and the second material channel (9) is communicated with the second material pipe (5); the switching valve (7) is movable on the nozzle core (6) and switches and opens and closes the material passing channel (10) and the material injecting channel (11) during movement;
when the material passing channel (10) is opened, the material injection channel (11) is closed, and the first material sequentially passes through the first material channel (8), the material passing channel (10) and the second material channel (9) to enter the second material pipe (5) and is distributed with the second material in the second material pipe (5) in a front-back manner;
when the injection channel (11) is opened, the material passing channel (10) is closed, and the first material and the second material in the second material pipe (5) sequentially pass through the second material channel (9) and the injection channel (11) and are finally injected through the nozzle head (1).
3. The injection device of claim 2, wherein: the nozzle head (1) and the flow combining plate (3) are connected in a matched mode end to end, and a groove position is formed in the nozzle head and the flow combining plate; the nozzle core (6) is arranged in the slot position; a first material channel (8) is formed between the outer wall of the nozzle core (6) and the inner wall of the flow combining plate (3) or the slot position of the nozzle head (1), one end of the first material channel (8) is communicated with the first material pipe (4), and the other end of the first material channel is communicated with the material passing channel (10).
4. The injection device of claim 2, wherein: a second material channel (9) is arranged at the axis position of the nozzle core (6), one end of the second material channel (9) is communicated with the material passing channel (10) and the material injecting channel (11), and the other end of the second material channel is communicated with the second material pipe (5); the material passing channel (10) and the material injecting channel (11) are respectively a plurality of holes or grooves which are uniformly arranged along the circumferential direction of the nozzle core (6).
5. The injection device of any one of claims 1-4, wherein: the first material pipe (4) and the second material pipe (5) are horizontally matched side by side, vertically matched vertically, matched horizontally and vertically or matched with each other at a certain included angle.
6. The injection device of any one of claims 2-4, wherein: a first material transition channel (12) and a second material transition channel (13) are respectively arranged on the flow combining plate (3); the first material channel (8) is communicated with the first material pipe (4) through a first material transition channel (12); the second material channel (9) is communicated with the second material pipe (5) through a second material transition channel (13).
7. The injection device of claim 6, wherein: the nozzle core (6) is also provided with a glue sealing head (14); the switching valve (7) is positioned in the second material channel (9) and is also provided with a valve hole (15), and the material passing channel (10) is communicated with the second material channel (9) through the valve hole (15); the switching valve (7) is movably arranged on the glue sealing head (14) in the front and back directions and switches the material passing channel (10) and the material injecting channel (11) during movement.
8. The injection device of claim 7, wherein: one end of the glue sealing head (14) is fixedly arranged on the nozzle core (6), an injection channel (16) is formed between the outer wall of the other end of the glue sealing head and the inner wall of the groove position of the nozzle head (1), and the injection channel (16) is communicated with the injection channel (11).
9. The injection device of claim 7 or 8, wherein: the device also comprises a first transition flange (17) and a second transition flange (18); the nozzle transition piece (2) is connected with the nozzle head (1) and the flow combining plate (3) in a matched manner from head to tail, and groove positions are arranged in the nozzle transition piece, the flow combining plate and the flow combining plate; the nozzle core (6) is arranged in the slot position; the first transition flange (17) and the second transition flange (18) are respectively arranged at the end part of the flow combining plate (3); the flow combining plate (3) is communicated with the first material pipe (4) and the second material pipe (5) through a first transition flange (17) and a second transition flange (18) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920790141.6U CN210308753U (en) | 2019-05-28 | 2019-05-28 | Injection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920790141.6U CN210308753U (en) | 2019-05-28 | 2019-05-28 | Injection device |
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| CN210308753U true CN210308753U (en) | 2020-04-14 |
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| CN201920790141.6U Active CN210308753U (en) | 2019-05-28 | 2019-05-28 | Injection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103403A (en) * | 2019-05-28 | 2019-08-09 | 广东伊之密精密注压科技有限公司 | A kind of injection device and its injecting method |
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2019
- 2019-05-28 CN CN201920790141.6U patent/CN210308753U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110103403A (en) * | 2019-05-28 | 2019-08-09 | 广东伊之密精密注压科技有限公司 | A kind of injection device and its injecting method |
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