CN217834712U - Co-extrusion film blowing mold - Google Patents
Co-extrusion film blowing mold Download PDFInfo
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- CN217834712U CN217834712U CN202221205918.6U CN202221205918U CN217834712U CN 217834712 U CN217834712 U CN 217834712U CN 202221205918 U CN202221205918 U CN 202221205918U CN 217834712 U CN217834712 U CN 217834712U
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- feeding
- distributor
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Abstract
The utility model provides a crowded blown film mould altogether, includes mould body, mould distributor and a plurality of feeding distributor, and feeding distributor sets up in the side of mould distributor, and it is provided with feeding sprue and feeding subchannel, and the feeding sprue communicates each feeding subchannel respectively, is provided with a plurality of layers of mould spirochaeta on the mould distributor, feeding subchannel and mould spirochaeta one-to-one, and the feeding subchannel passes through mould spirochaeta intercommunication mould body. The utility model discloses a set up feeding distributor in the outside of mould distributor, feeding distributor passes through feeding sprue pan feeding, then shunt through the feeding subchannel, the material after the reposition of redundant personnel gets into respectively in the mould spirochaeta that corresponds, get into the mould body at last, the feeding temperature and the pressure of every feeding subchannel (or every layer of mould spirochaeta) are all adjustable, satisfy the technological demand of product better, improve product quality, in addition, a feeding runner corresponds a screw rod, the screw rod quantity of reducible mould, the reduction mould cost.
Description
Technical Field
The utility model relates to the technical field of mold, in particular to crowded blown film mould altogether.
Background
At present, a common coextrusion film blowing mold generally comprises a mold core and a plurality of sleeve bodies sleeved on the mold core, wherein the sleeve bodies are of a structure that one layer is sleeved on one layer, and the structure has the following problems: when the temperature is adjusted by the mold, the temperature of the outermost sleeve body can only be adjusted, and the temperature of each layer of sleeve body (namely the temperature of the feeding runner of each layer of sleeve body) cannot be adjusted independently.
Therefore, further improvements are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a crowded blown film mould altogether that simple structure is reasonable, product quality is good, with low costs, the practicality is strong to overcome the weak point among the prior art.
A crowded blown film mould altogether according to this purpose design, including the mould body, its characterized in that: the mould is characterized by further comprising a mould distributor and a plurality of feeding distributors, wherein the feeding distributors are arranged on the side faces of the mould distributor and are provided with feeding main runners and feeding sub runners, the feeding main runners are respectively communicated with the feeding sub runners, the mould distributor is provided with a plurality of layers of mould spiral bodies, the feeding sub runners are in one-to-one correspondence with the mould spiral bodies, and the feeding sub runners are communicated with the mould body through the mould spiral bodies.
The feed distributor is provided with a plurality of regulating valve installation parts, the regulating valves are installed on the regulating valve installation parts and correspond to the feed sub-runners one to one, and one ends of the regulating valves are movably inserted into the feed sub-runners so as to regulate the pressure flow of the feed sub-runners.
The feeding distributor is provided with a plurality of sensor installation parts, the sensor installation parts are provided with pressure sensors, the pressure sensors are in one-to-one correspondence with the feeding branch channels, and one ends of the pressure sensors stretch into the feeding branch channels to measure the flow pressure of the feeding branch channels.
The feeding distributor is provided with a feeding port and a discharging port, the feeding port corresponds to the feeding main runner in a one-to-one mode, the feeding port is communicated with the feeding main runner, the discharging port is arranged at one end of the feeding sub-runner, the discharging port is respectively communicated with the feeding sub-runner and the mold screw body, the feeding distributor is further provided with a feeding distribution runner, the feeding main runner is connected with the feeding distribution runner, and the feeding distribution runner is respectively connected with the feeding sub-runners.
The feeding distributor is provided with a plurality of feeding runners, the feeding runners comprise feeding main runners and feeding branch runners, and each feeding main runner is respectively communicated with 2-5 feeding branch runners.
And a distribution runner is arranged in the mold spiral body, and the feeding branch runner is communicated with the corresponding distribution runner.
The mould distributor is provided with a distribution main runner which is respectively communicated with the distribution runners, the mould body is provided with a body runner, and the body runner is communicated with the distribution main runner.
The feeding device also comprises a plurality of feeding screws, and the feeding screws are communicated with the feeding hole.
The feeding screws correspond to the feeding runners one by one.
The mould body is connected to one end of the mould distributor.
The utility model discloses a set up the feeding distributor in the outside of mould distributor, the feeding distributor passes through feeding sprue pan feeding, then shunt through the feeding subchannel, the material after the reposition of redundant personnel gets into respectively in the mould spirochaeta that corresponds, get into the mould body at last, the feeding temperature and the equal independent control of pressure of every feeding subchannel (or every layer of mould spirochaeta), the layer thickness ratio that can realize every layer of film is nimble adjustable, satisfy the technology demand of product better, the product quality is improved, furthermore, a feeding runner corresponds a feeding screw rod, the feeding screw rod quantity of reducible mould, the mould cost is reduced.
Drawings
Fig. 1 is a sectional view of a mold according to an embodiment of the present invention.
Fig. 2 is a schematic view of an overall structure of the mold according to an embodiment of the present invention.
Fig. 3 is a front view of the mold according to an embodiment of the present invention.
Fig. 4 is a cross-sectional view of a feed distributor according to an embodiment of the present invention.
Fig. 5 is a cross-sectional view of another orientation of a feed distributor in an embodiment of the present invention.
Fig. 6-8 are schematic views illustrating overall structures of different orientations of the feeding distributor according to an embodiment of the present invention.
Fig. 9 is a front view of a feed distributor according to an embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-9, the co-extrusion film blowing mold comprises a mold body 1, a mold distributor 2 and a plurality of feeding distributors 3, wherein the feeding distributors 3 are arranged on the outer side surface of the mold distributor 2 and provided with feeding main runners 3.1 and feeding branch runners 3.2, the feeding main runners 3.1 are respectively communicated with the feeding branch runners 3.2, the mold distributor 2 is provided with a plurality of layers of mold screws 2.1, the feeding branch runners 3.2 are in one-to-one correspondence with the mold screws 2.1, and the feeding branch runners 3.2 are communicated with the mold body 1 through the mold screws 2.1.
Be provided with a plurality of governing valve installation departments 3.3 on the feeding distributor 3, install governing valve 4 on the governing valve installation department 3.3, governing valve 4 and feeding subchannel 3.2 one-to-one, in the one end activity of governing valve 4 inserts feeding subchannel 3.2 to adjust feeding subchannel 3.2's material pressure flow size.
Be provided with a plurality of sensor installation departments 3.4 on the feeding distributor 3, install pressure sensor 5 on the sensor installation department 3.4, pressure sensor 5 and feeding subchannel 3.2 one-to-one, in pressure sensor 5's one end stretched into feeding subchannel 3.2 to measure feeding subchannel 3.2's material flow pressure, monitor material flow pressure.
Be provided with feed inlet 3.5 and discharge gate 3.6 on the feeding distributor 3, feed inlet 3.5 and feeding sprue 3.1 one-to-one, feed inlet 3.5 intercommunication feeding sprue 3.1, discharge gate 3.6 sets up the one end at feeding subchannel 3.2, and discharge gate 3.6 communicates feeding subchannel 3.2 respectively, mould spirochet 2.1, still be provided with feeding distribution runner 3.7 on the feeding distributor 3, feeding distribution runner 3.7 is connected to feeding sprue 3.1, each feeding subchannel 3.2 is connected respectively to feeding distribution runner 3.7.
The feeding distributor 3 is provided with a plurality of feeding runners a, the feeding runners a comprise feeding main runners 3.1 and feeding branch runners 3.2, and each feeding main runner 3.1 is respectively communicated with 2-5 feeding branch runners 3.2. The feeding distributor 3 of this embodiment is provided with 2 feeding runners a, each feeding main runner 3.1 is respectively communicated with 3 feeding branch runners 3.2, the mold screw 2.1 is provided with 33 layers, and in addition, the mold screw 2.1 can also be provided with 21, 24, 27, 30, 36 layers and the like; in addition, if each feeding main runner 3.1 is respectively communicated with 4 feeding branch runners 3.2, the mold spiral body 2.1 can be provided with 24, 28, 32, 36 layers and the like; the specific number of layers of the mold spiral 2.1 is determined according to the number of the corresponding feeding branch channels 3.2 of each feeding main channel 3.1 and the number of the feeding channels a.
A distribution runner 2.2 is arranged in the mold spiral body 2.1, and the feeding branch runners 3.2 are communicated with the corresponding distribution runners 2.2 through a discharge hole 3.6.
The mould distributor 2 is provided with a distribution main runner 2.3, the distribution main runner 2.3 is respectively communicated with the distribution runners 2.2, the mould body 1 is provided with a body runner 1.1, and the body runner 1.1 is communicated with the distribution main runner 2.3.
The feeding screw is communicated with the feeding hole 3.5 (a spiral flow passage is arranged on the feeding screw and is communicated with the feeding hole 3.5). During feeding of the mold, materials enter the feeding port 3.5 through the feeding screw, then enter the feeding main runner 3.1 from the feeding port 3.5, are shunted by the feeding distribution runner 3.7, and the shunted materials enter the distribution runner 2.2 through the feeding sub-runner 3.2 and the discharging port 3.6 and then flow into the distribution main runner 2.3, and the shunted materials are converged in the distribution main runner 2.3 and finally flow into the body runner 1.1.
Feeding screw and feeding runner a one-to-one (be that a feeding screw corresponds a feeding sprue 3.1), this embodiment sets up 11 feeding screws, and 1 feeding screw corresponds 3 layers of mould spirochaeta 2.1 (3 feeding subchannels 3.2 promptly), corresponds a feeding screw for the one deck cover body of traditional mould structure, the quantity of the feeding screw that can significantly reduce to reduce mould cost.
The mould body 1 is connected with one end of the mould distributor 2; the mould also comprises a mould core 6, and the spiral body 2.1 of the mould is sleeved on the periphery of the mould core 6.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present 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.
Claims (10)
1. The utility model provides a crowded blown film mould altogether, includes mould body (1), its characterized in that: the die is characterized by further comprising a die distributor (2) and a plurality of feeding distributors (3), wherein the feeding distributors (3) are arranged on the side face of the die distributor (2) and provided with feeding main runners (3.1) and feeding branch runners (3.2), the feeding main runners (3.1) are respectively communicated with the feeding branch runners (3.2), a plurality of layers of die spiral bodies (2.1) are arranged on the die distributor (2), the feeding branch runners (3.2) are in one-to-one correspondence with the die spiral bodies (2.1), and the feeding branch runners (3.2) are communicated with the die body (1) through the die spiral bodies (2.1).
2. The co-extrusion blown film die of claim 1, wherein: be provided with a plurality of governing valve installation departments (3.3) on feeding distributor (3), install governing valve (4) on governing valve installation department (3.3), governing valve (4) and feeding subchannel (3.2) one-to-one, the one end activity of governing valve (4) is inserted in feeding subchannel (3.2) to adjust the pressure flow size of feeding subchannel (3.2).
3. The co-extrusion blown film die of claim 2, wherein: be provided with a plurality of sensor installation departments (3.4) on feeding distributor (3), install pressure sensor (5) on sensor installation department (3.4), pressure sensor (5) and feeding subchannel (3.2) one-to-one, in the one end of pressure sensor (5) stretched into feeding subchannel (3.2) to measure the flow pressure of feeding subchannel (3.2).
4. A co-extrusion blown film die according to claim 3, characterised in that: be provided with feed inlet (3.5) and discharge gate (3.6) on feeding distributor (3), feed inlet (3.5) and feeding sprue (3.1) one-to-one, feed inlet (3.5) intercommunication feeding sprue (3.1), discharge gate (3.6) set up the one end in feeding sprue (3.2), and discharge gate (3.6) communicate feeding sprue (3.2) respectively, mould spirochaeta (2.1), still be provided with feeding distribution runner (3.7) on feeding distributor (3), feeding distribution runner (3.7) are connected in feeding sprue (3.1), each feeding sprue (3.2) is connected respectively in feeding distribution runner (3.7).
5. The co-extrusion film blowing die of claim 4, wherein: the feeding distributor (3) is provided with a plurality of feeding runners (a), each feeding runner (a) comprises a feeding main runner (3.1) and a feeding sub-runner (3.2), and each feeding main runner (3.1) is respectively communicated with 2-5 feeding sub-runners (3.2).
6. The co-extrusion film blowing die of claim 5, wherein: distribution runners (2.2) are arranged in the mold spiral body (2.1), and the feeding sub-runners (3.2) are communicated with the corresponding distribution runners (2.2).
7. The co-extrusion blown film die of claim 6, wherein: the mold distributor (2) is provided with a distribution main runner (2.3), the distribution main runner (2.3) is communicated with the distribution runners (2.2), the mold body (1) is provided with a body runner (1.1), and the body runner (1.1) is communicated with the distribution main runner (2.3).
8. The co-extrusion film blowing die of claim 7, wherein: also comprises a plurality of feeding screws which are communicated with the feeding hole (3.5).
9. The co-extrusion blown film die of claim 8, wherein: the feeding screws correspond to the feeding runners (a) one by one.
10. A co-extrusion blown film die according to any one of claims 1 to 9, wherein: the die body (1) is connected to one end of the die distributor (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221205918.6U CN217834712U (en) | 2022-05-18 | 2022-05-18 | Co-extrusion film blowing mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221205918.6U CN217834712U (en) | 2022-05-18 | 2022-05-18 | Co-extrusion film blowing mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217834712U true CN217834712U (en) | 2022-11-18 |
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ID=84020793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221205918.6U Active CN217834712U (en) | 2022-05-18 | 2022-05-18 | Co-extrusion film blowing mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217834712U (en) |
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2022
- 2022-05-18 CN CN202221205918.6U patent/CN217834712U/en active Active
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