A kind of three-stage hot-runner device
Technical field
The utility model is related to point glue equipment field, and in particular to a kind of three-stage hot-runner device.
Background technology
Glue dispensing valve generally used now is typically made up of cylinder, pouring head, charging aperture, discharging opening, valve element, by cylinder rod and valve
Core is linked together, and when compressed air pusher cylinder is opened, cylinder rod band movable valve plug is opened, and glue injects from charging aperture, then
Flowed out through discharging opening, when compressed air pusher cylinder is closed, cylinder rod band movable valve plug is closed, and glue can not inject from charging aperture
Flowed out through discharging opening.
Hot flow path is coordinated to use the need for glue dispensing valve, hot flow path directly affects glue dispensing valve to the heating properties of PUR
Dispensing quality.Existing frequently-used hot-runner device, glue viscosity is unstable, it is impossible to ensure plastic emitting stabilization, and influence coordinates with it
The dispensing quality of glue dispensing valve.
The content of the invention
The purpose of this utility model is the problem above for overcoming prior art to exist, there is provided a kind of three-stage hot flow path dress
Put, hot-runner device of the present utility model is Three-section type heating mode, it can be ensured that the glue viscosity stabilization in the 3rd section of runner,
To ensure plastic emitting stabilization.
To realize above-mentioned technical purpose, above-mentioned technique effect is reached, the utility model is achieved through the following technical solutions:
A kind of three-stage hot-runner device, it includes glue bucket, the glue runner with glue bucket insertion, the top of the glue bucket
It is air inlet to hold, and the periphery of the glue bucket is the first bringing-up section, the bottom connection glue runner of the glue bucket, inside glue runner
The circuit of PUR flowing is vertical with the circuit that the internal PUR of glue bucket flows, and one end connection of the glue runner is described
The gum outlet of glue bucket;
Also include the second bringing-up section, second bringing-up section is arranged on the periphery of the glue runner;
3rd bringing-up section, the 3rd bringing-up section is arranged on a side of second segment bringing-up section, and the 3rd bringing-up section adds
The PUR of hot plastic emitting section, glue valve is arranged in the 3rd bringing-up section.
Preferably, first bringing-up section, the second bringing-up section, the 3rd bringing-up section have heating rod to heat.
Preferably, the outside of first bringing-up section is provided with thermal insulation board.
Preferably, the bottom of glue bucket has glue bucket fixed seat to fix, the glue bucket fixed seat and first bringing-up section
Between be provided with heat shield.
Preferably, the gum outlet of the glue bottom of the barrel is connected with into glue adapter, it is described enter glue adapter the other end connect
Second bringing-up section is connected to, glue adapter into the glue stream is entered described in by one section of glue of heating in the glue bucket
Inside road, heated by second bringing-up section inside the glue runner.
Preferably, Peek heat shields are provided between second bringing-up section and the 3rd bringing-up section.
Preferably, the air inlet is provided with pressure regulator valve, by the pressure of air inlet described in the pressure regulation valve regulation.
Preferably, the glue bucket is fixed in stationary backplate, and heating flow channel Aviation Connector is additionally provided with the stationary backplate.
The beneficial effects of the utility model are:
The glue bucket mounting means rational in infrastructure, unique of hot-runner device of the present utility model so that change glue convenient
Fast.
First bringing-up section and the second bringing-up section preheating PUR, the 3rd section is PUR dispensing temperature, can extend glue
Service life.
Every section of heating heat-barrier material (peak) of the device separates, homogeneous heating, and is closed using Three-section type heating runner
Reason three sections of heating-up temperatures of distribution, effectively improve glue service life;The glue viscosity stabilization in the 3rd section of runner is may insure, with
Just plastic emitting stabilization is ensured.
Three-section type heating runner of the present utility model can use cooperatively (such as switch valve, screw rod from different glue dispensing valves
Valve, injection valve etc.), it is wider using scope, supply by precise pressure regulating valve, to ensure source of the gas stabilization.
Described above is only the general introduction of technical solutions of the utility model, in order to better understand skill of the present utility model
Art means, and being practiced according to the content of specification, with preferred embodiment of the present utility model and coordinate accompanying drawing detailed below
Describe in detail bright as after.Specific embodiment of the present utility model is shown in detail by following examples and its accompanying drawing.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme in the utility model embodiment technology, embodiment technology will be retouched below
The accompanying drawing to be used needed for stating is briefly described, it should be apparent that, drawings in the following description are only the utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the sectional view of Fig. 1;
Wherein, 1- glue bucket, 2- glue runners, the bringing-up sections of 10- first, the bringing-up sections of 20- second, the bringing-up sections of 30- the 3rd, 40-
Stationary backplate, 41- heating flow channel Aviation Connectors, 11- air inlets, 12- pressure regulator valves, 13- thermal insulation boards, 14- heating rods, 15- glue bucket
Fixed seat, 16- heat shields, 17- enters glue adapter, 18-Peek heat shields.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Embodiment
A kind of three-stage hot-runner device is disclosed shown in reference picture 1-2, in the present embodiment, it includes glue bucket 1, and above-mentioned
The glue runner 2 of glue 1 insertion of bucket, the top of above-mentioned glue bucket 1 is air inlet 11, and the bottom of above-mentioned glue bucket 1 connects glue runner 2,
The circuit of the inside PUR flowing of glue runner 2 is vertical with the circuit that the inside PUR of above-mentioned glue bucket 1 flows, above-mentioned glue runner
2 one end connects the gum outlet of above-mentioned glue bucket 1.
The periphery of above-mentioned glue bucket 1 is the first bringing-up section 10, and the periphery of above-mentioned glue runner 2 is the second bringing-up section 20, the 3rd
Bringing-up section 30 is arranged on a side of second segment bringing-up section 20, and the bringing-up section 20 of above-mentioned first bringing-up section 10 and second is preheating
Section, the PUR of the above-mentioned heating of 3rd bringing-up section 30 plastic emitting section, glue valve is arranged in above-mentioned 3rd bringing-up section 30.
Using three sections of heating-up temperatures of Three-section type heating runner reasonable distribution, glue service life is effectively improved;May insure
Glue viscosity stabilization in 3rd section of runner, to ensure plastic emitting stabilization.
Above-mentioned first bringing-up section 10, the second bringing-up section 20, the 3rd bringing-up section 30 have heating rod 14 to heat.Above-mentioned first adds
The outside of hot arc 10 is provided with thermal insulation board 13, and above-mentioned thermal insulation board 13 can be heat-insulated, protects personal safety.
There is glue bucket fixed seat 15 to fix in the bottom of above-mentioned glue bucket 1, above-mentioned glue bucket fixed seat 15 and above-mentioned first heats 10
Heat shield 16 is provided between section;The gum outlet of 1 bottom of above-mentioned glue bucket is connected with into glue adapter 17, it is above-mentioned enter glue adapter 17
The other end is connected to above-mentioned second bringing-up section 20, in above-mentioned glue bucket 1 by one section of glue of heating by it is above-mentioned enter glue adapter 17
Into inside above-mentioned glue runner 2, heated by above-mentioned second bringing-up section 20 inside above-mentioned glue runner 2.
Also, it is provided with Peek heat shields between the bringing-up section 30 of above-mentioned second bringing-up section 20 and the 3rd.
Every section of heating heat-barrier material (peak) of the device separates, each other without influence, it can be ensured that the 3rd section of runner
In glue viscosity stabilization, so as to ensure plastic emitting stabilization.
Pressure regulator valve 12 is provided with above-mentioned air inlet 11, the pressure of above-mentioned air inlet 11 is adjusted by above-mentioned pressure regulator valve 12.Three
Segmentation heating flow channel can from different glue dispensing valves use cooperatively (such as switch valve, screw-down valve, injection valve etc.), using scope compared with
Extensively, portion is supplied by precise pressure regulating valve, to ensure source of the gas stabilization.
In the present embodiment, above-mentioned glue bucket 1 is fixed in stationary backplate 40, and heating stream is additionally provided with above-mentioned stationary backplate 40
Road Aviation Connector 41.
The foregoing description of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.Various modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where spirit or scope of the present utility model are not departed from.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.