CN206551395U - Modular nozzle bull hot runner system with valve needle - Google Patents
Modular nozzle bull hot runner system with valve needle Download PDFInfo
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- CN206551395U CN206551395U CN201621075039.0U CN201621075039U CN206551395U CN 206551395 U CN206551395 U CN 206551395U CN 201621075039 U CN201621075039 U CN 201621075039U CN 206551395 U CN206551395 U CN 206551395U
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- nozzle
- hot
- drive device
- extension
- valve needle
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model is related to Hot runner Technology field, specifically related to modular nozzle bull hot runner system with valve needle, its structure includes the first hot nozzle, second hot nozzle, drive device and multiple needles, by being provided with the extension abutted with the second hot nozzle in the first hot nozzle, drive device is sheathed on extension and can sliding axially along extension, drive device can drive all needles to be synchronized with the movement in corresponding second flow channel, and then open or seal nozzle head, it is that being synchronized with the movement for multiple needles can be achieved so using a drive device, both the individual difference of same batch products had been reduced, it in turn simplify the structure of TOP-TIP, reduce cost, and drive device is sheathed on the length that extension is substantially shorter needle, and then can further reduce production cost, also so that needle is difficult flexural deformation, increase die life.
Description
Technical field
The utility model is related to Hot runner Technology field, and in particular to modular nozzle bull hot runner system with valve needle.
Background technology
In plastic cement industry, various formed product technologies all be unable to do without the support of TOP-TIP.Gone out at present
In existing various TOP-TIPs, what is commonly used and ensure that shaped article quality is hot runner system with valve needle, needle hot flow path
It is provided with needle in system, needle in the vertical direction can move unlatching upwards or move downward closure so that into pint
Needle moves downward closing hot mouth mouthful during mould, it is to avoid one or several mouth of a river occur, so as to realize that no waste mine is produced.
Existing hot runner system with valve needle structure is as shown in Fig. 1, including air cylinder board 1, cylinder 2, flow distribution plate 3, the and of hot mouth 4
Needle 5, wherein 1, each cylinder, one, band needle, many needles 5 will need to set multiple cylinders 1, this will cause hot flow path knot
Structure is more complicated, not compact enough, while also make it that the manufacturing cost of whole system is high, in addition, each cylinder 1 drives needle 5
Movement velocity has certain difference, and the synchronism for causing multiple needles 5 to move up and down is poor, in turn results in going out for each hot mouth 4
Glue balanced ratio is poor, so as to cause the individual difference of same batch products very big.Outside, due to existing hot runner system with valve needle
Middle cylinder is located at the top of flow distribution plate 3, and needle 5 will can be just extend into hot mouth 4 through flow distribution plate 3, and this allows for the length of needle 5
Degree is longer, and the needle 5 of long length not only increases material cost, and is easy to bending, or even fracture, to the quality of product
Very big influence is all caused with the mold use life-span.
The content of the invention
The purpose of this utility model is to be directed to deficiency of the prior art, and provides that a kind of needle is shorter, cost is relatively low
Modular nozzle bull hot runner system with valve needle, the hot runner system with valve needle also can ensure that multiple needles are synchronized with the movement, with
Reduce the individual difference with batch products.
The purpose of this utility model is achieved through the following technical solutions：
A kind of modular nozzle bull hot runner system with valve needle is provided, including the first hot nozzle, the second hot nozzle, drive device and
Multiple needles, the first hot nozzle is provided with the extension abutted with the second hot nozzle, and drive device is sheathed on extension and can be along extension
Slide axially, the first hot nozzle be provided with for melten gel flow first flow, the second hot nozzle be provided with for melten gel flow multiple second
Runner, first flow is connected through extension with all second flow channels, and second flow channel is corresponded with needle, all second flow channels
The port of export be nozzle head；Drive device drives all needles to be synchronized with the movement along its axial direction in its corresponding second flow channel, enters
And open or seal nozzle head corresponding with the needle.
Wherein, the drive device includes housing and actuator, and the actuator is built in the housing, and the driving
Part can slide axially along the extension, and all needles are both secured to the actuator.
Wherein, the drive device also includes connecting rod and connection ring, one end of the connecting rod stretch into the housing with
The actuator is affixed, and the other end of the connecting rod and the connection ring are affixed, and all needles are both secured to the connection ring.
Wherein, the connecting rod is coaxially disposed with the needle.
Wherein, the lateral wall of the drive device is provided with cooling system.
Wherein, the described second hot nozzle is additionally provided with leads to the one-to-one runner of the second flow channel, the first flow
The runner is crossed to connect with the second flow channel.
Wherein, the bottom of the described second hot nozzle is additionally provided with the flow guiding head of taper, and the nozzle head is small located at the flow guiding head
Bore end.
Wherein, the spacing between the two neighboring nozzle head is 35~60mm.
Wherein, the second flow channel is used for the port for inserting the needle provided with sealing ring.
Wherein, in addition to the support plate between first thermal resistance and the second hot nozzle, the cylinder and the extension
Portion you be built in the support plate.
The beneficial effects of the utility model：
Hot runner system with valve needle of the present utility model, by being provided with the extension abutted with the second hot nozzle in the first hot nozzle,
Drive device be sheathed on extension and can sliding axially along extension, drive device can drive all needles corresponding
Second flow channel in be synchronized with the movement, and then open or seal nozzle head, be achievable multiple valves so using a drive device
Being synchronized with the movement for pin, has both reduced the individual difference of same batch products, in turn simplify the structure of TOP-TIP, reduces into
This, and drive device is sheathed on the length that extension is substantially shorter needle, and then production cost can be further reduced, also make
Obtain needle and be difficult flexural deformation, increase die life.
Brief description of the drawings
Using accompanying drawing, the utility model is described in further detail, but the embodiment in accompanying drawing is not constituted to of the present utility model
Any limitation, on the premise of not paying creative work, can also be according to following attached for one of ordinary skill in the art
Figure obtains other accompanying drawings.
Fig. 1 is the structural representation of the hot runner system with valve needle of prior art.
Include in Fig. 1：1- air cylinder boards, 2- cylinders, 3- flow distribution plates, 4- hot mouths, 5- needles.
Fig. 2 is the structural representation of modular nozzle bull hot runner system with valve needle of the present utility model.
Fig. 3 is the cross section structure diagram that needle of the present utility model seals nozzle head.
Fig. 4 is the cross section structure diagram that needle of the present utility model opens nozzle head.
Fig. 2 includes into Fig. 4：
The hot nozzles of 10- first, 100- first flows, 101- extensions；
The hot nozzles of 20- second, 200- second flow channels, 201- runners；
30- drive devices, 300- actuators, 301- housings, 302- connecting rods, 303- connection rings；
40- needles；
50- nozzle heads；
60- flow guiding heads；
70- sealing rings.
Embodiment
The utility model is further described with the following Examples, modular nozzle bull needle of the present utility model
TOP-TIP, as shown in Fig. 2 its structure includes the first hot nozzle 10, the second hot nozzle 20, drive device 30 and multiple needles 40,
First hot nozzle 10 is provided with is located at the first hot nozzle 10 and second with its integrally formed extension 101 extended downwardly, extension 101
Between hot nozzle 20, drive device 30 is sheathed on the extension 101, so that the lateral cross section of mould reduces, and then causes mould
Tool miniaturization, structure is more compact, and can select small injecting machine, so that equipment cost is reduced, in addition, drive device 30 is arranged
In the extension 101, the drive device 30 of small volume can be so used, and then takes less die space, is also allowed for
The installation of drive device 30.
As shown in Figure 3 and Figure 4, the first hot nozzle 10 is provided with the first flow 100 flowed for melten gel, and first flow 100 runs through
The upper and lower side of extension 101, the second hot nozzle 20 is provided with the multiple second flow channels 200 flowed for melten gel, and all second flow channels 200 are equal
Connected with first flow 100, second flow channel 200 is corresponded with needle 40, the port of export of each second flow channel 200 is and mould
The nozzle first 50 of chamber connection.All needles 40 are both secured to the actuator 300 of drive device 30, and actuator 300 is sheathed on extension
101, and actuator 300 can slide up and down along extension 101, the driving actuator 300 of drive device 30 is transported along extension about 101
It is dynamic, and then drive all needles 40 synchronously to be moved up and down in its corresponding second flow channel 200, so as to open or close and valve
The corresponding nozzle first 50 of pin 40.
The utility model in the first hot nozzle 10 by being provided with the extension 101 abutted with the second hot nozzle 20, drive device 30
Be sheathed on extension 101 and can sliding axially along extension 101, drive device 30 can drive all needles 40 its correspondence
Second flow channel 200 in be synchronized with the movement, be that being synchronized with the movement for multiple needles 40 can be achieved so using drive device 30, this
All needles 40 can reach 99% synchronization in embodiment, had both reduced the individual difference of same batch products, and in turn simplify hot-fluid
The structure of road system, reduces cost, and drive device 30 is sheathed on the length that extension 101 is substantially shorter needle 40,
And then production cost can be further reduced, also cause needle 40 to be difficult flexural deformation, increase die life.
As shown in Figure 3 and Figure 4, drive device also includes in housing 301, connecting rod 302 and connection ring 303, actuator 300
Housing 301 is placed in, and actuator 300 can slide axially along extension 101, housing 301 and driving are stretched into one end of connecting rod 302
Part 300 is affixed, and the other end and connection ring 303 of connecting rod 302 are affixed, and all needles 40 are both secured to connection ring 303.Connecting rod
302 and the setting of connection ring 303 can further shorten the length of needle 40, and then enhance the structural strength of needle 40, make
The easy bending deformation in its, also reduces material cost certainly.
Further, connecting rod 302 is coaxially disposed with needle 40, the active force of such actuator 300 can it is more steady,
It is efficiently transfer to needle 40.
In the present embodiment, the spacing between two neighboring nozzle first 50 may be configured as 35~60mm, that is to say, that this practicality is new
Type can realize the production of the moderate product of spacing arrangement, and the scope of application is very wide, and the temperature difference of each nozzle first 50 can be controlled in 5
Within DEG C, the plastic emitting balanced ratio of each nozzle first 50 can be controlled in more than 99%.
As shown in Fig. 2 the first hot nozzle 10, the outer wall of the second hot nozzle 20 and extension 101 are equipped with heater, to ensure
Inside runner melten gel circulation it is smooth, and then ensure production be smoothed out and product quality.
As shown in Figure 3 and Figure 4, the second hot nozzle 20 is additionally provided with and the one-to-one runner of second flow channel 200 201, shunting
The entrance point in road 201 connects the port of export of first flow 100, the port of export connection second flow channel 200 of runner 201.Needle 40
Including the thicker first paragraph of diameter and the thinner second segment of connected diameter, as shown in figure 3, needle 40 is moved downwardly to
Behind position, the needle 40 of first paragraph blocks the outlet of runner 201, and now melten gel cannot flow into second flow channel 200.As shown in figure 4,
After needle 40 is moved up in place, the needle 40 of second segment is now, molten in runner 201 against the outlet of runner 201
Glue continuously flows into second flow channel 200.
The bottom of second hot nozzle 20 is additionally provided with the flow guiding head 60 of taper, and nozzle first 50 is located at the port of export of flow guiding head 60, water conservancy diversion
First 60 setting is not only convenient for the connection of nozzle first 50 and die cavity, and also saves the material cost of hot nozzle.
The upper end port that second flow channel 200 is used to insert needle 40 is provided with sealing ring 70, when preventing that needle 40 from moving up and down
Melten gel in second flow channel 200 is taken out of.
In the present embodiment, as shown in Fig. 2 drive device 30 is cylinder, the lateral wall of cylinder is provided with circulating water cooling system,
Circulating water cooling system can not only cool to cylinder, and also function to cooling effect to two hot nozzles of upper and lower.
In the present embodiment, support plate is provided between the first hot nozzle 20 of hot nozzle 10 and second, support plate can be played in barrier
The transmission of heat between lower hot nozzle.Cylinder and extension 101 are embedded in support plate, can so increase the structure of support plate
Intensity, and then strengthen mould strength, extend die life.
Finally it should be noted that above example is only illustrating the technical solution of the utility model, rather than to this reality
With the limitation of novel protected scope, although being explained with reference to preferred embodiment to the utility model, this area it is general
Lead to it will be appreciated by the skilled person that can be modified to the technical solution of the utility model or equivalent substitution, without departing from this
The spirit and scope of utility model technical scheme.
Claims (8)
1. modular nozzle bull hot runner system with valve needle, it is characterised in that：Including the first hot nozzle, the second hot nozzle, drive device
With multiple needles, the first hot nozzle is provided with the extension abutted with the second hot nozzle, and drive device is sheathed on extension and can be along extension
Portion slides axially, and the first hot nozzle is provided with the first flow flowed for melten gel, and the second hot nozzle is provided with multiple the flowed for melten gel
Two runners, first flow is connected through extension with all second flow channels, and second flow channel is corresponded with needle, all seconds
The port of export in road is nozzle head；
Drive device drives all needles to be synchronized with the movement along its axial direction in corresponding second flow channel, and then opens or seal
Firmly nozzle head corresponding with the needle；
The drive device includes housing and actuator, and the actuator is built in the housing, and the actuator can be along institute
State extension to slide axially, all needles are both secured to the actuator；
The drive device also includes connecting rod and connection ring, and the housing and the actuator are stretched into one end of the connecting rod
Affixed, the other end of the connecting rod and the connection ring are affixed, and all needles are both secured to the connection ring.
2. modular nozzle bull hot runner system with valve needle according to claim 1, it is characterised in that：The connecting rod with
The needle is coaxially disposed.
3. modular nozzle bull hot runner system with valve needle according to claim 1, it is characterised in that：The drive device
Lateral wall be provided with cooling system.
4. modular nozzle bull hot runner system with valve needle according to claim 1, it is characterised in that：The second hot nozzle
It is additionally provided with and passes through the runner and the second flow channel with the one-to-one runner of the second flow channel, the first flow
Connection.
5. modular nozzle bull hot runner system with valve needle according to claim 1, it is characterised in that：The second hot nozzle
Bottom be additionally provided with the flow guiding head of taper, the nozzle head is located at the small-caliber end of the flow guiding head.
6. modular nozzle bull hot runner system with valve needle according to claim 1, it is characterised in that：It is two neighboring described
Spacing between nozzle head is 35~60mm.
7. modular nozzle bull hot runner system with valve needle according to claim 1, it is characterised in that：The second flow channel
Port for inserting the needle is provided with sealing ring.
8. modular nozzle bull hot runner system with valve needle according to claim 1, it is characterised in that：Also include being located at institute
The support plate between the first hot nozzle and the second hot nozzle is stated, the drive device and the extension are all built in the support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621075039.0U CN206551395U (en) | 2016-09-23 | 2016-09-23 | Modular nozzle bull hot runner system with valve needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621075039.0U CN206551395U (en) | 2016-09-23 | 2016-09-23 | Modular nozzle bull hot runner system with valve needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206551395U true CN206551395U (en) | 2017-10-13 |
Family
ID=60368227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621075039.0U Active CN206551395U (en) | 2016-09-23 | 2016-09-23 | Modular nozzle bull hot runner system with valve needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206551395U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108340550A (en) * | 2017-12-29 | 2018-07-31 | 东莞市热恒注塑科技有限公司 | A kind of flexibility thermometric calibrator (-ter) unit |
| CN110076318A (en) * | 2019-05-26 | 2019-08-02 | 深圳市宝田精工塑胶模具有限公司 | Zinc alloy forming die |
| CN111113809A (en) * | 2018-10-31 | 2020-05-08 | 上海瀚典热流道科技有限公司 | Full-leakage-proof glue hot runner system |
-
2016
- 2016-09-23 CN CN201621075039.0U patent/CN206551395U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108340550A (en) * | 2017-12-29 | 2018-07-31 | 东莞市热恒注塑科技有限公司 | A kind of flexibility thermometric calibrator (-ter) unit |
| CN111113809A (en) * | 2018-10-31 | 2020-05-08 | 上海瀚典热流道科技有限公司 | Full-leakage-proof glue hot runner system |
| CN110076318A (en) * | 2019-05-26 | 2019-08-02 | 深圳市宝田精工塑胶模具有限公司 | Zinc alloy forming die |
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