CN206749005U - A kind of double-colored heat-shrinkable tube shaping mechanism with runner distribution function - Google Patents
A kind of double-colored heat-shrinkable tube shaping mechanism with runner distribution function Download PDFInfo
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- CN206749005U CN206749005U CN201720265730.3U CN201720265730U CN206749005U CN 206749005 U CN206749005 U CN 206749005U CN 201720265730 U CN201720265730 U CN 201720265730U CN 206749005 U CN206749005 U CN 206749005U
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- runner
- cavity
- distributor
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- shrinkable tube
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Abstract
The utility model discloses a kind of double-colored heat-shrinkable tube shaping mechanism with runner distribution function, including distributor and mould, mould includes core rod and formwork, and core rod includes upper inserting block and lower insertion axle；Cavity is offered in distributor lower surface, passage is offered on cavity inner bottom part central axis direction, some air admission holes are offered in distributor side, and end face offers the upper arc distribution cavity and side arc distribution cavity for being through to cavity on the dispenser；Outlet passageway corresponding with passage is offered on the central axis direction of the lower insertion axle of core rod, and through having some upper mold core runners and some side form core runners in upper inserting block and positioned at lower insertion axle outer side edges, between lower insertion axle outer wall and formwork jack inwall formed discharging circle gap, discharge circle gap respectively with upper mold core runner and side form core flow passage.Mould disclosed in the utility model, it can reach the purpose prepared with two kinds of different colours, the double-colored heat-shrinkable tube of different transparencies.
Description
Technical field
Heat-shrinkable Tubes mechanism is the utility model is related to, more particularly to a kind of dual-color heat with runner distribution function is received
Draw shaping mechanism.
Background technology
Heat-shrinkable tube is that a kind of quality is partially soft, and the heated sleeve pipe for reaching more than 30 degree meeting Stepwize Shrinks, it is widely used in
The insulation protection of various batteries, inductance, capacitor etc., and the antirust of particular component, corrosion protection, packaging applicationss.Heat-shrinkable tube
Material is mainly plastics, but traditional monochromatic heat-shrinkable tube is applied to more lack when glass lamp and part special industry be present
Fall into.
The double-colored straight type lamp of LED glass tubes is mainly formed by straight type glass tube and loaded on the substrate in glass tube with LED lamp bead,
Because LED lamp bead belongs to point source of light, the light that it sends is very dazzling, in order that its light source gives people one kind and lumps together, be not dazzling
Sensation, at present LED tube light mainly handled using the mode of glass tube inner-wall spraying spread powder, but actually should
Occurs more defect in：
A, glass tube is easily broken in actually using, and injury is also easy to produce to people, thing；
B, product backlight portion is not easy to recognize, installation is error-prone；
C, aluminum strip substrate and the place of glass contact gluing excessively expose in glass tube, influence perception；
D, there is shade aluminum strip substrate both sides；
E, light is too scattered（The shady face of light is not needed to disperse part light source yet）, cause luminance-reduction.
Have in recent years in industry using the product that monochromatic heat-shrinkable tube is applied mechanically on LED straight light tubes, but this suit is single
The technology of colour tube can only overcome segmental defect, following defect still be present：
A, the place of aluminum strip substrate and glass contact excessively exposes in glass tube, influences perception；
B, there is shade aluminum strip substrate both sides in glass tube；
C, light is too scattered（The shady face of light is not needed to disperse part light source yet）, cause luminance-reduction.
Also had to use in industry in recent years and neck is set in LED straight light tubes, and sheet monochrome film is placed on glass
Technology at pipe inner card cage, but there is also many drawbacks：
A, glass tube is easily broken in actually using, and injury is also easy to produce to people, thing；
B, sheet diaphragm is not easy to install, time-consuming, wastes more；
C, neck is provided with glass tube, causes the increase of glass tube cost；
D, aluminum strip substrate can not be in close contact with sheet diaphragm, and backlight portion no-reflection material, cause part light source wave
Take, influence bright intensity；
E, the place of aluminum strip substrate and glass contact excessively exposes in glass tube, influences perception.
Also have in industry using PC lampshade technologies, because the cost of raw material is high, for a long time using deformation, bending being present
May, in today of Market competition, and it is difficult to survive.
Therefore, in order to solve the above problems, it is necessary to develop it is a kind of preferably be applied to LED lamp tube double-colored thermal contraction
Pipe, it is used to spread point source of light, increases product illuminance, protective glass rupture etc., and traditional Heat-shrinkable Tubes mechanism
The double-colored heat-shrinkable tube product for meeting requirements at the higher level can not be prepared.
Utility model content
For above-mentioned deficiency, the purpose of this utility model is to provide a kind of double-colored thermal contraction with runner distribution function
Pipe forming machine structure, reasonable in design, each structure precision is high, is tightly combined, and operation stability is high, to two with different colours
Kind PET glue materials carry out runner distribution and drainage, reach the dual-color heat receipts prepared with two kinds of different colours, different transparencies
The purpose of the draw.
The utility model is that technical scheme is used by reaching above-mentioned purpose：
A kind of double-colored heat-shrinkable tube shaping mechanism with runner distribution function, it is characterised in that including distributor and set
The mould being placed on distributor lower surface, wherein, the mould includes core rod and the formwork being sheathed on outside core rod,
The core rod includes the lower insertion axle of upper inserting block and the upper inserting block of upper end insertion, is offered on the formwork central axis direction under confession
The formwork jack of insertion axle lower end insertion；The cavity of the upper inserting block insertion for core rod is offered in the distributor lower surface,
A passage is offered on the cavity inner bottom part central axis direction, offers what is be connected with passage in the distributor side
Some air admission holes, and offer in the distributor upper surface be through to cavity and it is symmetrically arranged on arc distribution cavity and side arc
Distribution cavity；Outlet passageway corresponding with passage is offered on the central axis direction of the lower insertion axle of the core rod, and at this
Running through in the upper inserting block of core rod and positioned at lower insertion axle outer side edges has some upper mold core streams being connected with upper arc distribution cavity
Road and some side form core runners being connected with side arc distribution cavity, between the lower insertion axle outer wall and formwork jack inwall
Formed one discharging circle gap, the discharging circle gap respectively with upper mold core runner and side form core flow passage.
As further improvement of the utility model, some screws for being through to cavity are offered in the distributor side
Hole, and it is provided with screw in the screw hole.
As further improvement of the utility model, opened in the distributor upper surface and positioned at upper arc distribution cavity side
Provided with upper sluice way, meanwhile, offer side sluice way in the distributor upper surface and positioned at side arc distribution cavity side.
As further improvement of the utility model, the upper sluice way includes setting around upper arc distribution cavity outer side edges
Upper arced flow path and extend laterally and the convex runner that is connected with upper arced flow path, wherein, the depth of arced flow path on this
Spend deeper than the depth of convex runner；Side arced flow path of the side sluice way including circular side arc distribution cavity outer side edges setting,
And the convex runner in side for extending laterally and being connected with side arced flow path, wherein, the convex runner in depth ratio side of the side arced flow path
Depth it is deep.
As further improvement of the utility model, in the inner skeleton and positioned at upper arc distribution cavity and side arc
A venting channels are offered between distribution cavity, the quantity of the air admission hole is 1, and the venting channels are connected to air admission hole and ventilation
Between hole.
As further improvement of the utility model, the cavity is rounded with upper inserting block, and the diameter of the cavity
More than the diameter of upper inserting block, on this after inserting block insertion cavity, formed on this between outer wall of inserting block and the inwall of cavity
Annulus.
As further improvement of the utility model, the quantity of the upper mold core runner and side form core runner is respectively 2,
And the upper mold core runner and side form core runner distinguish curved shape, between adjacent upper mold core runner and side form core runner, adjacent two
Separated respectively by one drainage piece of setting between individual upper mold core runner and between two neighboring side form core runner, the drainage piece
Upper end has a sharp portion.
As further improvement of the utility model, the distributor with offering some installation screws respectively on formwork
Hole, it is engaged and is fixed with installation screw hole by installing screw respectively between the distributor and formwork.
Shaping mechanism provided by the utility model is reasonable in design, and each structure precision is high, is tightly combined, operation stability
Height, especially suitable for the preparation of double-colored heat-shrinkable tube, runner is carried out to two kinds of PET glue materials with different colours and distributed with drawing
Stream, reaches the purpose for preparing the double-colored heat-shrinkable tube with two kinds of different colours, different transparencies.The dual-color heat prepared is received
Mainly there is the draw diffusion point source of light, increase product illuminance, protective glass rupture the effect such as not to damage, meanwhile, also
With advantages below：
（1）Because double-colored heat-shrinkable tube has two different colors of segmental arc, sign is clear, and product backlight portion is easily distinguished
Recognize, be easy to correctly install；
（2）Production cost substantially reduces relative to original PC lampshades；
（3）Illuminance can be strengthened under same energy consumption, play energy-saving effect；
（4）Enhancing lighting brightness, the light source reflection part in directive shading segmental arc direction can be gone back, become actually to make
Use up, more than 4.5% can be lifted by testing illumination；
（5）The shade at the 4-10mm of aluminum strip both sides can be substantially reduced during use；
（6）The contact site of glass tube back aluminum strip and glass tube is covered, is made overall more attractive in appearance；
（7）Even if glass tube crushes, but because there is the protection of double-colored heat-shrinkable tube, can greatly protect people, thing not injured
Evil.
Above-mentioned is the general introduction of utility model technical scheme, below in conjunction with accompanying drawing and embodiment, to the utility model
It is described further.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
Fig. 2 is the positive structure schematic of the utility model distributor；
Fig. 3 is the structure schematic diagram of the utility model distributor；
The overall structure diagram of Fig. 4 the utility model moulds；
Fig. 5 is the structural representation of the utility model core rod；
Fig. 6 is the structural representation that the utility model core rod is combined with distributor；
Fig. 7 is the structural representation of the double-colored heat-shrinkable tube of the utility model；
Fig. 8 is a sectional view of the double-colored heat-shrinkable tube of the utility model；
Fig. 9 is another sectional view of the double-colored heat-shrinkable tube of the utility model；
Figure 10 is the another sectional view of the double-colored heat-shrinkable tube of the utility model.
Embodiment
Further to illustrate that the utility model is to reach the technological means and effect that predetermined purpose taken, below in conjunction with
Accompanying drawing and preferred embodiment, specific embodiment of the present utility model is described in detail.
Fig. 1 to Fig. 6 is refer to, the utility model embodiment provides a kind of double-colored heat-shrinkable tube with runner distribution function
Shaping mechanism, including distributor 4 and the mould 5 that is arranged on the lower surface of distributor 4, wherein, the mould 5 wraps
The formwork 52 for including core rod 51 and being sheathed on outside core rod 51, the core rod 51 include upper inserting block 511 and the upper inserting block of upper end insertion
511 lower insertion axle 512, the formwork jack for the insertion of the lower lower end of insertion axle 512 is offered on the central axis direction of formwork 52；
The lower surface of distributor 4 offers the cavity 41 of the insertion of upper inserting block 511 for core rod 51, at the inner bottom part center of cavity 41
A passage 42 is offered on direction of principal axis, some air admission holes being connected with passage 42 are offered in the side of distributor 4, and
Offered in the upper surface of distributor 4 be through to cavity 41 and it is symmetrically arranged on arc distribution cavity 43 and side arc distribution cavity
44；Outlet passageway 5121 corresponding with passage 42 is offered on the central axis direction of the lower insertion axle 512 of the core rod 51,
And it is connected in the upper inserting block 511 of the core rod 51 and positioned at the lower outer side edges of insertion axle 512 through having with upper arc distribution cavity 43
Logical some upper mold core runners 5111 and some side form core runners 5112 being connected with side arc distribution cavity 44, the underthrust
Enter between the outer wall of axle 512 and formwork jack inwall formed one discharging circle gap 53, the discharging circle gap 53 respectively with upper mold core stream
Road 5111 and side form core runner 5112 connect.
In the present embodiment, some screw holes 46 for being through to cavity 41 are offered in the side of distributor 4, and at this
Screw 47 is provided with screw hole 46.
As shown in Fig. 2 offer sluice way in the upper surface of distributor 4 and positioned at the upper side of arc distribution cavity 43
431, meanwhile, offer side sluice way 441 in the upper surface of distributor 4 and positioned at the side of side arc distribution cavity 44.In this implementation
In example, the upper sluice way 431 is including the upper arced flow path 4311 around the setting of the upper outer side edges of arc distribution cavity 43 and laterally
Extension and the convex runner 4312 being connected with upper arced flow path 4311, wherein, depth ratio of arced flow path 4311 is convex on this
The depth of runner 4312 is deep；The side sluice way 441 includes the side arced flow path set around the outer side edges of side arc distribution cavity 44
4411 and extend laterally and the convex runner 4412 in side that is connected with side arced flow path 4411, wherein, the side arced flow path 4411
The convex runner 4412 in depth ratio side depth it is deep.
Meanwhile offer in the inside of distributor 4 and between upper arc distribution cavity 43 and side arc distribution cavity 44
One venting channels, the quantity of the air admission hole is 1, and the venting channels are connected between air admission hole and passage 42.
As shown in fig. 6, the cavity 41 and upper inserting block 511 are rounded, and the diameter of the cavity 41 is more than upper insertion
The diameter of block 511, after inserting block 511 inserts cavity 41 on this, shape between the inwall of the outer wall of inserting block 511 and cavity 41 on this
Circularize gap 6.
As shown in figs. 4 and 5, the quantity of the upper mold core runner 5111 and side form core runner 5112 is respectively 2, and should
Upper mold core runner 5111 distinguishes curved shape, adjacent upper mold core runner 5111 and side form core runner 5112 with side form core runner 5112
Between, drawn respectively by setting one between two neighboring upper mold core runner 5111 and between two neighboring side form core runner 5112
Flow 5113 separates, and the upper end of drainage piece 5113 has a sharp portion 51131.
In the present embodiment, the distributor 4 with offering some installation screw holes 7, the distributor 4 respectively on formwork 52
It is engaged and is fixed with installation screw hole 7 by installing screw respectively between formwork 52.
Shaping mechanism provided by the utility model, reasonable in design, each structure precision is high, is tightly combined, stable
Property it is high, especially suitable for the preparation of double-colored heat-shrinkable tube, two kinds of PET glue materials with different colours are carried out runner distribution with
Drainage, reaches the purpose for preparing the double-colored heat-shrinkable tube with two kinds of different colours, different transparencies.The dual-color heat prepared
Mainly there is collapsible tube diffusion point source of light, increase product illuminance, protective glass rupture the effect such as not to damage.
Operation principle of the present utility model is：
A color PET glue materials in molten condition are flow to the upper sluice way 431 of distributor 4 successively and upper arc distributes
Chamber 43, the B color PET glue materials in molten condition are flow to the side sluice way 441 and side arc distribution cavity of distributor 4 successively
44；Then, A colors PET glue materials flow to the upper mold core runner 5111 of core rod 51 from upper arc distribution cavity 43, B color PET glue materials from
Side arc distribution cavity 44 flow to the side form core runner 5112 of core rod 51；Then, A colors PET glue materials and B color PET glue materials be simultaneously
Discharging circle is flowed to gap 53 and to extrude, formed A colors PET sebific ducts semi-finished product that side is connected in one and B color PET sebific ducts half into
Product, simultaneously, passage 42, outlet passageway of the final gas from core rod 51 are vented to by the air admission hole of the side of distributor 4
5121 outflow, external pressure is applied to the A colors PET sebific ducts semi-finished product and B color PET sebific ducts semi-finished product of formation, makes both drying and mouldings,
Obtain double-colored heat-shrinkable tube.
As shown in Figure 7 to 10, the dual-color heat with runner distribution function provided using the utility model embodiment is received
Draw shaping mechanism, the double-colored heat-shrinkable tube 10 prepared, cross section is divided into two different colors of arc along its longitudinal direction
Section, wherein one section is expansion arc of lighting section 101, another section is shading segmental arc 102, and the central angle a corresponding to the expansion arc of lighting section 101 is
181-350 degree, the central angle b corresponding to the shading segmental arc 102 are 10-179 degree.In the present embodiment, expand arc of lighting section 101 to refer to
There is certain transparency, the segmental arc that light source can be uniformly spread out as far as possible；Shading segmental arc 102 refers to that transparency is very low, and
Can be with the segmental arc of reflected light.
As shown in figure 8, it is 181 degree to expand the central angle a corresponding to arc of lighting section 101, then corresponding to corresponding shading segmental arc 102
Central angle b be 179 degree；As shown in figure 9, it is 350 degree to expand the central angle a corresponding to arc of lighting section 101, then corresponding shading segmental arc
Central angle b corresponding to 102 is 10 degree；As shown in Figure 10, it is 265 degree to expand the central angle a corresponding to arc of lighting section 101, then accordingly
Shading segmental arc 102 corresponding to central angle b be 95 degree.
The double-colored heat-shrinkable tube 10 that the present embodiment is prepared has some following advantage：
（1）Because double-colored heat-shrinkable tube has two different colors of segmental arc, sign is clear, and product backlight portion is easily distinguished
Recognize, be easy to correctly install；
（2）Production cost substantially reduces relative to original PC lampshades；
（3）Illuminance can be strengthened under same energy consumption, play energy-saving effect；
（4）Enhancing lighting brightness, the light source reflection part in directive shading segmental arc direction can be gone back, become actually to make
Use up, more than 4.5% can be lifted by testing illumination；
（5）The shade at the 4-10mm of aluminum strip both sides can be substantially reduced during use；
（6）The contact site of glass tube back aluminum strip and glass tube is covered, is made overall more attractive in appearance；
（7）Even if glass tube crushes, but because there is the protection of double-colored heat-shrinkable tube, can greatly protect people, thing not injured
Evil.
The double-colored heat-shrinkable tube 10 that the present embodiment is prepared is set in outside the glass lamp of the double-colored straight type lamps of LED, mainly
Be play diffusion point source of light, the effect such as increase product illuminance, protective glass rupture do not damage.
It is described above, only it is preferred embodiment of the present utility model, not technical scope of the present utility model is made
Any restrictions, therefore identical with the utility model above-described embodiment or approximate technical characteristic is used, and obtained other structures,
Within the scope of protection of the utility model.
Claims (8)
1. a kind of double-colored heat-shrinkable tube shaping mechanism with runner distribution function, it is characterised in that including distributor and set
Mould on distributor lower surface, wherein, the mould includes core rod and the formwork being sheathed on outside core rod, should
Core rod includes the lower insertion axle of upper inserting block and the upper inserting block of upper end insertion, is offered on the formwork central axis direction for underthrust
Enter the formwork jack of axle lower end insertion；The cavity of the upper inserting block insertion for core rod is offered in the distributor lower surface,
A passage is offered on the cavity inner bottom part central axis direction, if offering what is be connected with passage in the distributor side
Dry air admission hole, and offer in the distributor upper surface be through to cavity and it is symmetrically arranged on arc distribution cavity and side arc point
With chamber；Outlet passageway corresponding with passage is offered on the central axis direction of the lower insertion axle of the core rod, and in the mould
In the upper inserting block of core and positioned at lower insertion axle outer side edges run through have be connected with upper arc distribution cavity some upper mold core runners,
And some side form core runners being connected with side arc distribution cavity, formed between the lower insertion axle outer wall and formwork jack inwall
One discharging circle gap, the discharging circle gap respectively with upper mold core runner and side form core flow passage.
2. the double-colored heat-shrinkable tube shaping mechanism according to claim 1 with runner distribution function, it is characterised in that
The distributor side offers some screw holes for being through to cavity, and is provided with screw in the screw hole.
3. the double-colored heat-shrinkable tube shaping mechanism according to claim 1 with runner distribution function, it is characterised in that
The distributor upper surface and offer sluice way positioned at upper arc distribution cavity side, meanwhile, in the distributor upper surface and
Side sluice way is offered positioned at side arc distribution cavity side.
4. the double-colored heat-shrinkable tube shaping mechanism according to claim 3 with runner distribution function, it is characterised in that institute
State sluice way include around upper arc distribution cavity outer side edges set upper arced flow path and laterally extension and with upper arc stream
The convex runner that road is connected, wherein, depth of convex runner of depth ratio of arced flow path is deep on this；The side sluice way includes
The side arced flow path set around side arc distribution cavity outer side edges and the side for extending laterally and being connected with side arced flow path are convex
Runner, wherein, the depth of the convex runner in depth ratio side of the side arced flow path is deep.
5. the double-colored heat-shrinkable tube shaping mechanism according to claim 1 with runner distribution function, it is characterised in that
The inner skeleton and a venting channels, the air admission hole are offered between upper arc distribution cavity and side arc distribution cavity
Quantity be 1, the venting channels are connected between air admission hole and passage.
6. the double-colored heat-shrinkable tube shaping mechanism according to claim 1 with runner distribution function, it is characterised in that institute
State that cavity is rounded with upper inserting block, and the diameter of the cavity is more than the diameter of upper inserting block, inserting block inserts cavity on this
Afterwards, annulus is formed between outer wall of inserting block and the inwall of cavity on this.
7. the double-colored heat-shrinkable tube shaping mechanism according to claim 1 with runner distribution function, it is characterised in that institute
The quantity for stating upper mold core runner and side form core runner is respectively 2, and the upper mold core runner and side form core runner difference are curved
Shape, between adjacent upper mold core runner and side form core runner, between two neighboring upper mold core runner and two neighboring side form core runner
Between respectively by set a drainage piece separate, the drainage piece upper end has a sharp portion.
8. the double-colored heat-shrinkable tube shaping mechanism according to claim 1 with runner distribution function, it is characterised in that institute
State and offer some installation screw holes respectively on distributor and formwork, between the distributor and formwork respectively by install screw with
Installation screw hole, which is engaged, to be fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720265730.3U CN206749005U (en) | 2017-03-19 | 2017-03-19 | A kind of double-colored heat-shrinkable tube shaping mechanism with runner distribution function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720265730.3U CN206749005U (en) | 2017-03-19 | 2017-03-19 | A kind of double-colored heat-shrinkable tube shaping mechanism with runner distribution function |
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| Publication Number | Publication Date |
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| CN206749005U true CN206749005U (en) | 2017-12-15 |
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ID=60609145
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| CN201720265730.3U Active CN206749005U (en) | 2017-03-19 | 2017-03-19 | A kind of double-colored heat-shrinkable tube shaping mechanism with runner distribution function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112384352A (en) * | 2018-07-03 | 2021-02-19 | 康宁股份有限公司 | Extrusion device with fixed profile |
-
2017
- 2017-03-19 CN CN201720265730.3U patent/CN206749005U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112384352A (en) * | 2018-07-03 | 2021-02-19 | 康宁股份有限公司 | Extrusion device with fixed profile |
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