CN208896440U - A kind of extruder head of multi-layer injection molding part - Google Patents
A kind of extruder head of multi-layer injection molding part Download PDFInfo
- Publication number
- CN208896440U CN208896440U CN201821320169.5U CN201821320169U CN208896440U CN 208896440 U CN208896440 U CN 208896440U CN 201821320169 U CN201821320169 U CN 201821320169U CN 208896440 U CN208896440 U CN 208896440U
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- China
- Prior art keywords
- extruder head
- flow path
- injection molding
- hot flow
- valve rod
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Abstract
The utility model provides a kind of extruder head of multi-layer injection molding part, belongs to technical field of mold.It solves the controller that existing extruder head needs to spend more cost, and the problem of need staff's moment to monitor.The extruder head of this multi-layer injection molding part, including several flow guide sleeves, several flow guide sleeves are superposed, the hot flow path being connected with the external world is respectively formed between two adjacent flow guide sleeves, the middle part of flow guide sleeve offers the jet hole being connected to forming cavity, hot flow path is connected with corresponding jet hole, the jet hole of each flow guide sleeve is interconnected, this extruder head is additionally provided with valve rod, one end of valve rod sequentially passes through each hot flow path, valve rod is equipped with the through-hole being arranged in a one-to-one correspondence with hot flow path, plane and vertical plane where two neighboring through-hole axial line is angled, the other end of valve rod is equipped with the motor of energy driving stem rotation.The extruder head of this multi-layer injection molding part can improve the production efficiency of extruder head.
Description
Technical field
The utility model belongs to technical field of mold, is related to a kind of extruder head of multi-layer injection molding part.
Background technique
High-barrier Packaging Bottle mainly joined barrier resin in common plastic bottle, to be widely applied doctor
The extra package industry of the high requests such as medicine, food and chemical industry.
There is the molding molded part of multi-layer injection molding in the existing country, during molding, it usually needs carries out multi-layer co-extruded
Technique production needs to be arranged multiple switch valve but during production, on-off valve control heat runner and extraneous injection hole it
Between connection and closing, lead to the complex of entire control process, and control inconvenient, and during production, need
Monitoring at the time of spending higher cost setting controller, while needing staff, causes that the production cost increases, and inconvenient
In control the problem of.
Summary of the invention
The purpose of this utility model is the presence of the above problem in view of the prior art, proposes a kind of squeezing for multi-layer injection molding part
Lift one's head, technical problem to be solved in the utility model is how to improve the production efficiency of extruder head.
The purpose of this utility model can be realized by the following technical scheme:
A kind of extruder head of multi-layer injection molding part, including several flow guide sleeves, several flow guide sleeves are superposed, and two adjacent
The flow guide sleeve between be respectively formed with the hot flow path that is connected of the external world, the middle part of the flow guide sleeve offers and forming cavity connects
Logical jet hole, the hot flow path are connected with corresponding jet hole, and the jet hole of each flow guide sleeve is interconnected, feature
It is, this extruder head is additionally provided with valve rod, and one end of the valve rod sequentially passes through each hot flow path, and the valve rod is equipped with and hot-fluid
The through-hole that road is arranged in a one-to-one correspondence, the plane and vertical plane where two neighboring through-hole axial line are angled, the valve
The other end of bar is equipped with the motor of energy driving stem rotation, and the motor driven valve rod can make one of through-hole will be corresponding
Hot flow path is connected with the external world.
Working principle: corresponding hot flow path is in communication with the outside by a through-hole of motor to valve rod, extraneous at this time will to melt
Melt liquid to flow into hot flow path, and the jet hole that hot flow path filling can be arranged after full by flow guide sleeve middle part is flowed into forming cavity
It is interior, when needing to be molded using other melt liquids, it is only necessary to motor, driving stem turn to valve rod another is logical
Corresponding hot flow path is connected by hole with the external world, and other melt liquids can be flowed into hot flow path from the external world and can lead from this at this time
Jet hole on hot jacket flows into forming cavity, realizes the rapid shaping of the extruder head to multi-layer injection molding part, and merely by
Valve rod is set, so that the overall structure of extruder head is relatively simple, staff only needs to be arranged the velocity of rotation and rotation of motor
Interval time can be achieved with the opening and closing to each hot flow path of extruder head, so that the control of extruder head is more convenient, so as to quick
By one of hot flow path and it is extraneous disconnect while, another hot flow path can be in communication with the outside, further be improved
The production efficiency of entire extruder head.
In the extruder head of above-mentioned multi-layer injection molding part, the flow guide sleeve all has inclined guide surface in hot flow path.
The setting of the structure enables the melt liquid in hot flow path quickly by the guiding of guide surface, from jet hole
It is flowed into forming cavity, so that the melt liquid flowing for entering hot flow path is more smooth, improves the production of extruder head
Efficiency.
In the extruder head of above-mentioned multi-layer injection molding part, the projected side wall of the hot flow path forms the import being in communication with the outside
The one end in portion, the valve rod is arranged in import department.
The setting of the structure so that the volume of import department is less than the volume of hot flow path entirety, when corresponding hot flow path with
The corresponding external world is connected, and the quick import department of extraneous melt liquid is flowed into hot flow path, extruder head is improved
Production efficiency.
In the extruder head of above-mentioned multi-layer injection molding part, each jet hole is interconnected, this extruder head also has and the external world
The tracheae of connection, one end of the tracheae are disposed therein in a flow guide sleeve, and the tracheae is connected to each jet hole.
Intratracheally it is being passed through compressed air, the melt liquid of each hot flow path outflow, can be under the extruding of outside air
Jet hole outflow, accelerates melt liquid in the flowing time of jet hole, further improves the injection efficiency of extruder head,
After the completion of one hot flow path injection molding remaining melt liquid can be flowed out from jet hole, improve extrusion by the effect of tracheae
The cleannes of head.
In the extruder head of above-mentioned multi-layer injection molding part, the diameter of each jet hole is all the same.
The setting of the structure, so that melt liquid different in each hot flow path can be quickly flowed into from jet hole
Type is intracavitary, to improve the working efficiency of extruder head.
In the extruder head of above-mentioned multi-layer injection molding part, the diameter of the tracheae is less than the diameter of jet hole.
The setting of the structure will preferably be located at spray so that endotracheal compressed gas has a upward ejecting force
Melt liquid ejection in mouthpiece, improves the working efficiency of extruder head.
Compared with prior art, the extruder head of this multi-layer injection molding part has the advantage that: staff only needs that motor is arranged
Velocity of rotation and rotation interval time can be achieved with the opening and closing to each hot flow path of extruder head so that the control of extruder head is more
Conveniently, while and capable of quickly disconnecting one of hot flow path and the external world, another hot flow path can be in communication with the outside, into
The production efficiency for improving entire extruder head of one step.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the extruder head of this multi-layer injection molding part.
Fig. 2 is the structural schematic diagram of valve rod in the extruder head of this multi-layer injection molding part.
In figure, 1, flow guide sleeve；11, hot flow path；12, guide surface；13, jet hole；14, import department；2, valve rod；21, lead to
Hole；3, motor；4, tracheae；5, shell.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, the extruder head of this multi-layer injection molding part, including several flow guide sleeves 1 and a shell 5, several are led
Stream set 1 is superposed, be respectively formed between two adjacent flow guide sleeves 1 with the extraneous hot flow path 11 being connected, in flow guide sleeve 1
Portion offers the jet hole 13 being connected to forming cavity, and hot flow path 11 is connected with corresponding jet hole 13, each flow guide sleeve 1
Jet hole 13 be interconnected.
Specifically, as depicted in figs. 1 and 2, this extruder head is additionally provided with valve rod 2, and valve rod 2 sequentially passes through each hot flow path
11, valve rod 2 is equipped with the one-to-one through-hole 21 of hot flow path 11, plane where two adjacent 21 axial lines of through-hole and perpendicular
Face directly it is angled, be additionally provided on valve rod 2 can the motor 3 that rotates of driving stem 2,3 driving stem 2 of motor can make wherein
Corresponding hot flow path 11 is connected by one through-hole 21 with the external world.
In the present embodiment, the flow guide sleeve 1 and shell 5 positioned at the top, which surround, could form hot flow path 11.
Working principle: corresponding hot flow path 11 is in communication with the outside by a through-hole 21 of motor 3 to valve rod 2, extraneous at this time
Injection hole can flow into melt liquid in hot flow path 11, and can be by being arranged in the middle part of flow guide sleeve 1 after full by the filling of hot flow path 11
Jet hole 13 flows into forming cavity, when needing to be molded using other melt liquids, it is only necessary to motor 3, driving stem 2
Corresponding hot flow path 11 is connected by another through-hole 21 for turning to valve rod 2 with the external world, and other melt liquids can be from this time
The external world is flowed into hot flow path 11 and can flow into forming cavity from the jet hole 13 on the heat conducting sleeve, realizes to multi-layer injection molding part
Extruder head rapid shaping, merely by setting valve rod 2, so that the overall structure of extruder head is relatively simple, staff
The velocity of rotation that motor 3 is set and rotation interval time is only needed to can be achieved with making the opening and closing of each hot flow path of extruder head 11
Extruder head control it is more convenient, and can be quickly by one of hot flow path 11 with extraneous disconnect while, can will be another
A hot flow path 11 is in communication with the outside, and further improves the production efficiency of entire extruder head.
As shown in Figure 1, flow guide sleeve 1 all has inclined guide surface 12, the projected side wall of hot flow path 11 in hot flow path 11
The import department 14 being in communication with the outside is formed, one end of valve rod 2 is arranged in import department 14.
More specifically, this extruder head also has to be connect with the external world as shown in Figure 1, each jet hole 13 is interconnected
Tracheae 4, one end of tracheae 4 are disposed therein in a flow guide sleeve 1, and tracheae 4 is connected to each jet hole 13, each jet hole 13
Diameter it is all the same, the diameter of tracheae 4 is less than the diameter of jet hole 13.
As shown in Figure 1, in the present embodiment, flow guide sleeve 1 is equipped with 6,1 part of flow guide sleeve and shell 5 positioned at the top
It fits, convexes to form mounting portion positioned at the middle part of the flow guide sleeve 1 of bottom, one end of air flue is embedded in mounting portion.
As shown in Fig. 2, in the present embodiment, there are six through-holes 21, each 21 angle of through-hole to be separated by 30 for arrangement on valve rod 2
Degree, motor 3 uses stepper motor, when work, is rotated by motor 3 with ovable valve stem 2, wherein one logical on every turn of 30 bottom valve bars 2
Hole 21 is just connected with hot flow path 11.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (6)
1. a kind of extruder head of multi-layer injection molding part, including several flow guide sleeves (1), several flow guide sleeves (1) are superposed, and two
The hot flow path (11) being connected with the external world is respectively formed between the adjacent flow guide sleeve (1), the middle part of the flow guide sleeve (1) is opened
Equipped with the jet hole (13) being connected to forming cavity, the hot flow path (11) is connected with corresponding jet hole (13), each leads
The jet hole (13) of stream set (1) is interconnected, which is characterized in that this extruder head is additionally provided with valve rod (2), and the valve rod (2) is successively
Across each hot flow path (11), one end of the valve rod (2) is equipped with the through-hole (21) being arranged in a one-to-one correspondence with hot flow path (11),
Plane and vertical plane where the axial line of two neighboring through-hole (21) is angled, on the other end of the valve rod (2)
Equipped with the motor (3) that energy driving stem (2) rotates, motor (3) driving stem (2) can make one of through-hole (21) by phase
The hot flow path (11) answered is connected with the external world.
2. the extruder head of multi-layer injection molding part according to claim 1, which is characterized in that the flow guide sleeve (1) is in hot flow path
(11) inclined guide surface (12) are all had in.
3. the extruder head of multi-layer injection molding part according to claim 1 or 2, which is characterized in that the side of the hot flow path (11)
Wall convexes to form the import department (14) being in communication with the outside, and one end setting of the valve rod (2) is in import department (14).
4. the extruder head of multi-layer injection molding part according to claim 3, which is characterized in that each jet hole (13) mutually interconnects
Logical, this extruder head also has the tracheae (4) connecting with the external world, and one end of the tracheae (4) is disposed therein a flow guide sleeve (1)
Interior, the tracheae (4) is connected to each jet hole (13).
5. the extruder head of multi-layer injection molding part according to claim 4, which is characterized in that the diameter of each jet hole (13) is equal
It is identical.
6. the extruder head of multi-layer injection molding part according to claim 5, which is characterized in that the diameter of the tracheae (4) is less than
The diameter of jet hole (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821320169.5U CN208896440U (en) | 2018-08-15 | 2018-08-15 | A kind of extruder head of multi-layer injection molding part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821320169.5U CN208896440U (en) | 2018-08-15 | 2018-08-15 | A kind of extruder head of multi-layer injection molding part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208896440U true CN208896440U (en) | 2019-05-24 |
Family
ID=66569505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821320169.5U Expired - Fee Related CN208896440U (en) | 2018-08-15 | 2018-08-15 | A kind of extruder head of multi-layer injection molding part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208896440U (en) |
-
2018
- 2018-08-15 CN CN201821320169.5U patent/CN208896440U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190524 Termination date: 20210815 |