CN205463037U - A heat -conducting piece and hot melt adhesive machine for hot melt adhesive machine - Google Patents
A heat -conducting piece and hot melt adhesive machine for hot melt adhesive machine Download PDFInfo
- Publication number
- CN205463037U CN205463037U CN201620017301.XU CN201620017301U CN205463037U CN 205463037 U CN205463037 U CN 205463037U CN 201620017301 U CN201620017301 U CN 201620017301U CN 205463037 U CN205463037 U CN 205463037U
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- Prior art keywords
- heat
- conducting piece
- melt adhesive
- hot melt
- heating cylinder
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Abstract
The utility model provides a heat -conducting piece and hot melt adhesive machine for hot melt adhesive machine. The hot melt adhesive machines have the heating jar that is used for holding the hot melt adhesive, heat -conducting piece detachably set up in in the heating jar, just the heat -conducting piece with at least one wall thermo -contact of heating jar will be in order coming from the heat warp of at least one wall the heat -conducting piece transmit for the material that holds in the heating jar. Adopt the technical scheme of the utility model, can be with the original melting efficiency who has had the hot melt adhesive machine that improves of lower one -tenth by a wide margin.
Description
Technical field
This utility model relates to thermoplastic smelting technology, more particularly, to one for hot melt
The heat-conducting piece of glue machine and hot melt adhesive machine.
Background technology
Hot-melt adhesive is also referred to as PUR, typically (is mainly composed of thermoplasticity by thermoplastic
Resin) through hot melt adhesive machine fusing formed, be widely used in sanitary goods industry (such as diaper packaging),
In non-woven fabric compounded industry, packaging industry (packed in cases, cigarette case package).Thermoplastic is such as
Can obtain in a large number with solid forms such as graininess, confection shapes, and turn in the heating cylinder of hot melt adhesive machine
Become the flowable liquids state melting, softening.Liquid hot melt adhesive after fusing such as can be by warm
The pressue device (such as pump) of glue-smelting machine is transported to apparatus for coating or spray gun, so that base material is carried out gluing
Or glue spraying.
The heating cylinder of hot melt adhesive machine as molten thermoplastic material container (be also used for accommodate fusing after
PUR), its typical structure is substantially in concave groove type.The wall of concave groove type heating cylinder include diapire and
The sidewall arranged around diapire, the generally lower section at diapire is provided with electric heating tube.During hot melt adhesive machine work,
First being shelved in heating cylinder by the thermoplastic of solid form, then start heater, heat adds
The heat of heat pipe passes to Solid thermoplastic's material by wall especially diapire, makes Solid thermoplastic's material
Material melted by heat becomes the PUR of liquid.
The fusion process of Solid thermoplastic's material not uniformity, especially when the solid-state in heating cylinder
When thermoplastic is more.Specifically, the solid state heat contacted with the wall especially diapire of heating cylinder
Plastic material first melted by heat becomes liquid hot melt adhesive, the polymerization of unfused Solid thermoplastic's material to be formed
Similar iceberg shape, and float in the region that liquid hot melt adhesive temperature is relatively low, by receiving liquid
The heat that PUR is transmitted gradually melts.For ensureing gluing or the glue spraying quality of hot melt adhesive machine, need
In heating cylinder after the disposable substantially all fusing of Solid thermoplastic's material added, just start hot melt
The gluing of glue machine or glue spraying work.
Owing to the rate of heat transfer of liquid hot melt adhesive is relatively low, the temperature of liquid hot melt adhesive temperature lower region carries
The most slowly.When heating cylinder is disposably put into more Solid thermoplastic's material, generally require consumption
Expense considerable time just can make the substantially all fusing of Solid thermoplastic's material, and melting efficiency ratio is relatively low.
So on the one hand, the power consumption causing hot melt adhesive machine is big, use cost is higher, on the other hand adds for a long time
Heat also easily causes the carbonization phenomenon of PUR.
Utility model content
This utility model aims to provide a kind of heat-conducting piece for hot melt adhesive machine, the biggest with relatively low one-tenth
Width improves the melting efficiency of existing hot melt adhesive machine.This utility model additionally provides a kind of hot melt adhesive machine.
According to one side of the present utility model, it is provided that a kind of heat-conducting piece for hot melt adhesive machine, described
Hot melt adhesive machine has the heating cylinder for accommodating PUR, and described heat-conducting piece is removable installed in described
In heating cylinder, and described heat-conducting piece thermally contacts with at least one wall of described heating cylinder, with will be from institute
State the material that the heat of at least one wall is accommodated in described heat-conducting piece passes to described heating cylinder.
Further, at least one wall described can include that the diapire of described heating cylinder and described heat-conducting piece are put
Put on described diapire, and/or, at least one wall described can include described heating cylinder sidewall and
Described heat-conducting piece is supported on described sidewall.
Further, described heat-conducting piece can include standing in described heating cylinder a heat-conducting plate or many
The individual heat-conducting plate being connected with each other, at least one described heat-conducting plate being shelved at least partially through its base
On described diapire.
Further, at least one described heat-conducting plate can offer one or more through hole, and/
Or, the side of described heat-conducting plate can be separated with preset distance with the sidewall of described heating cylinder.
Further, can offer in the latter half of heat-conducting plate at least one described multiple described logical
Hole.
Further, the base of at least one heat-conducting plate being shelved on described diapire described can be provided with
The lateral spread portion contacted with described diapire.
Further, the plurality of heat-conducting plate being connected with each other cross arrangement can become grid-like.
Further, the plurality of heat-conducting plate being connected with each other can include multiple the first plate be arrangeding in parallel
And multiple the second plates be arrangeding in parallel intersected with the plurality of first plate.
Further, can be equipped with fin on described diapire, described first plate is shelved on the described end
On wall, described fin is received within the gap between adjacent two described first plates or is received within
It is opened in the recess on the base of described first plate, the base of described second plate and described fin
Top margin separates.
The heat-conducting piece for hot melt adhesive machine that this utility model provides, can set up removably
In the heating cylinder of existing hot melt adhesive machine, heat-conducting piece is made to thermally contact with at least one wall of heating cylinder,
The material accommodated in the surface of heat-conducting piece passes to heating cylinder from the heat of at least one wall described.
It is appreciated that heat-conducting piece can select the rate of heat transfer material faster than liquid hot melt adhesive rate of heat transfer, example
As used the metal of good heat-transfer to make.So, by rationally arranging the structure of heat-conducting piece, permissible
On the premise of not changing existing heating cylinder structure and not affecting in heating cylinder liquid hot melt adhesive flowing, increase
Big heating cylinder interior can contact with Solid thermoplastic's material and liquid hot melt adhesive and can the biography of flash heat transfer
Hot side amasss, and beneficially quick, the equilibrium of heating cylinder materials inside temperature improves, and then be conducive to making to add
A large amount of Solid thermoplastic's materials in hot cylinder substantially completely melt within a short period of time, thus provide one
Plant the scheme of the melting efficiency that existing hot melt adhesive machine was originally greatly improved with relatively low one-tenth.
According to another aspect of the present utility model, it is provided that a kind of hot melt adhesive machine, the heating of hot melt adhesive machine
Above-mentioned heat-conducting piece it is detachably provided with in cylinder.The hot melt adhesive machine application provided because of this utility model has
Above-mentioned heat-conducting piece, therefore can reach corresponding technique effect, not repeat them here.
Accompanying drawing explanation
Embodiment of the present utility model is further described, in the accompanying drawings hereinafter with reference to accompanying drawing:
Fig. 1 schematically shows heating cylinder and heat-conducting piece in the hot melt adhesive machine that this utility model embodiment provides
Stereochemical structure；And,
Fig. 2 illustrates the stereochemical structure of the heat-conducting piece for hot melt adhesive machine that this utility model embodiment provides.
Detailed description of the invention
See Fig. 1, it is shown that the solid of heating cylinder in the hot melt adhesive machine that this utility model embodiment provides
Structure, is detachably provided with the heat-conducting piece 2 that this utility model embodiment provides in heating cylinder 1.
Understanding in conjunction with known technology, the heating cylinder 1 of hot melt adhesive machine is as the container of molten thermoplastic material, also
Liquid hot melt adhesive after accommodating fusing.Heating cylinder 1 is substantially in groove structure, and its wall includes
Diapire 11 and the sidewall 12 arranged around diapire 11, the lower section of diapire 11 can be provided with electric heating tube,
The outside of sidewall 12 can also recline electric heating tube alternatively.Therefore, diapire 11 and/or sidewall
12 be used as heating cylinder 1 for the wall that the material wherein accommodated is heated.Heating cylinder 1 has
There is the liquid hot melt adhesive outlet 10 being connected with pressue device.By in Fig. 1 it can be seen that in the present embodiment
Diapire 11 and sidewall 12 surround rectangular recess structure, it will be understood that in other embodiments, add
Hot cylinder 1 can also be such as the suitably structure such as square groove, circular groove.
Heat-conducting piece 2 such as can directly rest on the diapire 11 of heating cylinder 1, makes the end of heat-conducting piece 2
At least some of of portion thermally contacts with the diapire 11 of heating cylinder 1, and so, the electricity below diapire 11 adds
After diapire 11 is heated by heat pipe, diapire 11 transfers heat to heat-conducting piece 2, then by heat-conducting piece 2
The material that surface is accommodated in passing to heating cylinder 1, to obtain more preferable heat transfer property.It is appreciated that
The material that heat-conducting piece 2 can select rate of heat transfer faster than liquid hot melt adhesive rate of heat transfer is made, such as, adopt
Aluminum or other metals with good heat-transfer are made.
By rationally arranging the structure of heat-conducting piece 2, existing heating cylinder 1 structure and not can not changed
Affecting in heating cylinder 1 on the premise of liquid hot melt adhesive flowing, increasing that heating cylinder 1 is internal can be with solid state heat
Plastic material contact with liquid hot melt adhesive and can the heat transfer area of flash heat transfer, beneficially heating cylinder 1
Quick, the equilibrium of materials inside temperature improve, and then are conducive to making a large amount of solid state heats in heating cylinder 1
Plastic material substantially completely melts within a short period of time.And the installation and removal of heat-conducting piece 2 are the most square
Just, thus provide a kind of melting efficiency that existing hot melt adhesive machine was originally greatly improved with relatively low one-tenth
Scheme.The raising of hot melt adhesive machine melting efficiency is possible not only to reduce power consumption, cost-effective, it is also possible to
Reduce the probability of PUR generation carbonization.
It is appreciated that the heat-conducting piece 2 being shelved on diapire 11 can only thermally contact with diapire 11, or
Person only thermally contacts with sidewall 12, or simultaneously with as the diapire 11 of heated wall and at least one sidewall
12 thermo-contacts.In the embodiment that heat-conducting piece 2 thermally contacts with sidewall 12, can suitably change heating
The structure of cylinder 1 so that heat-conducting piece 2 (such as, is frictionally engaged, tightly by rights by sidewall 12
Firmware, it is clasped etc.) support.
Fig. 1 and 2 also show the preferred structure of heat-conducting piece 2 in the present embodiment, and heat-conducting piece 2
Preferred fit system with heating cylinder 1.As in figure 2 it is shown, heat-conducting piece 2 includes standing in heating cylinder 1
Multiple heat-conducting plates being connected with each other, at least one heat-conducting plate being shelved at least partially through its base
On diapire 11.In order to increase heat transfer area, the base being shelved on the heat-conducting plate on diapire 11 can be arranged
There is the lateral spread portion 211 contacted with diapire 11.Multiple heat-conducting plates being connected with each other preferably intersect row
Cloth becomes grid-like, and each grid formed in it can be the square of diagram, it is possible to for Else Rule or
The border of irregular polygon, even grid can at least in part in Curved (in this case,
The trellised corresponding heat-conducting plate of shape least partially bent at).It is noted that in other interchangeable enforcement
In example, heat-conducting piece can also include the heat-conducting plate standing in heating cylinder 1 or multiple disjunct lead
Hot plate.
In the embodiment shown in Figure 2, cross arrangement becomes grid-like heat-conducting plate to include multiple parallel set
The first plate 21 put and multiple the second plate 22 be arrangeding in parallel, each the first plate 21 and each second plate
22 intersect vertically.Or, the first plate 21 and the second plate 22 can not also be perpendicular.Additionally, by handing over
Fork is arranged into the outline of the heat-conducting piece that grid-like heat-conducting plate is constituted can be according to the shape of heating cylinder 1
Do adaptive change, however it is not limited to diagram square.
One or more fin (not shown) can be equipped with on the diapire 11 of heating cylinder 1.
When being shelved in heating cylinder by above-mentioned heat-conducting piece 2, each first plate 21 can be shelved on heating cylinder
On diapire 11, and each fin can be received within the gap between adjacent two the first plate 21,
Fin can be almost parallel with the first plate 21 in this case.Or, heat-conducting piece 2 also can lie on the table
Become to make the first plate 21 to extend substantially across fin, in this case on the base of the first plate 21
On offer the recess for receiving fin.The base of each the second plate 22 can be with the top margin of fin
Separate, interfere to avoid installing.
It addition, for the flowing of liquid hot melt adhesive and pass through outlet 10 in beneficially heating cylinder 1
Flow out (especially when the part side of heat-conducting plate contacts with sidewall 12), preferably lead at least one
One or more through hole 20 flow through for the PUR of fusing is offered on hot plate.Certainly, real at other
Executing in example, the side of each heat-conducting plate can also divide with preset distance sidewall 12 with heating cylinder 1 respectively mutually
From, in order between heat-conducting piece and sidewall, reserve the passage for liquid hot melt adhesive circulation.Due to solid state heat
Plastic material floats on liquid hot melt adhesive, and outlet 10 is positioned at the bottom of heating cylinder 1, multiple through holes
20 the latter half being preferably opened at least one heat-conducting plate.
When heat-conducting piece 2 is made up of multiple heat-conducting plates being connected with each other, heat-conducting piece 2 such as can be served as reasons
The foundry goods of each heat-conducting plate integrally casting molding is to reduce cost, or can also be by each heat-conducting plate each other
The weldment being welded.Preferably, heat-conducting piece 2 is provided with anti-stick coating, is conducive to avoiding liquid
State PUR is attached to, on heat-conducting piece 2, carbonization occurs.Preferably, teflon coatings conduct can be used
Anti-stick coating.
According to it is demonstrated experimentally that melt the Solid thermoplastic of identical weight for the heating cylinder 1 of same specification
During material, especially Solid thermoplastic's material weight reach heating cylinder 1 capacity more than 1/2nd time,
It is provided with for the hot melt adhesive machine of this heat-conducting piece 2 compares the hot melt adhesive machine being not provided with this heat-conducting piece, molten
The change time can shorten more than 1/3rd, and is capable of being completely melt of Solid thermoplastic's material.
Such as, the thermoplastic of 1.5 kilograms is added in the heating cylinder 1 that capacity is 3 kilograms
When grain is tested, use the hot melt adhesive machine of the heat-conducting piece of the present embodiment offer can realize at 44 minutes
Being completely melt of thermoplastic granule.After complete melting, by temperature sensor measurement heating cylinder
Center and the liquid hot melt adhesive temperature of many places, edge diverse location in 1, find liquid hot melt adhesive on the whole
Temperature is higher, and the temperature difference of the liquid hot melt adhesive of diverse location is less.
After heat-conducting piece 2 in hot melt adhesive machine is taken out, the same thermoplastic adding 1.5 kilograms
Grain is tested, still it can be seen that the thermoplastic of a small amount of iceberg shape form after 75 minutes.
Now, by center in temperature sensor measurement heating cylinder 1 and the liquid heat of many places, edge diverse location
Melt adhesive temperature, finds that liquid hot melt adhesive temperature on the whole is relatively low, and the liquid hot melt adhesive of diverse location
The temperature difference is bigger.
This utility model embodiment additionally provides a kind of hot melt adhesive machine, arranges in the heating cylinder of hot melt adhesive machine
There is above-mentioned heat-conducting piece.The hot melt adhesive machine application provided because of this utility model embodiment has above-mentioned heat conduction
Part, therefore can reach corresponding technique effect.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model,
To those skilled in the art, can be to this in the case of without departing from scope of the present utility model
The device of utility model makes multiple improvement and modification.Those skilled in the art is by considering this explanation
Content disclosed in book also can get other embodiments.This specification and example should be considered only as exemplary
, true scope of the present utility model is by claims and equivalents.
Claims (10)
1., for a heat-conducting piece for hot melt adhesive machine, described hot melt adhesive machine has for accommodating PUR
Heating cylinder, it is characterised in that described heat-conducting piece is removable installed in described heating cylinder, and institute
State heat-conducting piece to thermally contact with at least one wall of described heating cylinder, with by from least one wall described
The material that heat is accommodated in described heat-conducting piece passes to described heating cylinder.
Heat-conducting piece the most according to claim 1, it is characterised in that at least one wall bag described
The diapire and the described heat-conducting piece that include described heating cylinder are shelved on described diapire, and/or, described extremely
A few wall includes that the sidewall of described heating cylinder and described heat-conducting piece are supported on described sidewall.
Heat-conducting piece the most according to claim 2, it is characterised in that described heat-conducting piece includes standing
A heat-conducting plate in described heating cylinder or multiple heat-conducting plate being connected with each other, described at least one
Heat-conducting plate being shelved at least partially on described diapire through its base.
Heat-conducting piece the most according to claim 3, it is characterised in that at least one described heat conduction
One or more through hole is offered on plate, and/or, the side of described heat-conducting plate and described heating cylinder
Sidewall with preset distance be separated.
Heat-conducting piece the most according to claim 4, it is characterised in that lead described at least one
The latter half of hot plate offers multiple described through hole.
Heat-conducting piece the most according to claim 3, it is characterised in that described at least one shelve
The base of the heat-conducting plate on described diapire is provided with the lateral spread portion contacted with described diapire.
7. according to the heat-conducting piece according to any one of claim 3 to 6, it is characterised in that described
Multiple heat-conducting plate cross arrangement being connected with each other become grid-like.
Heat-conducting piece the most according to claim 7, it is characterised in that
The plurality of heat-conducting plate being connected with each other includes multiple the first plate be arrangeding in parallel and with the plurality of
Multiple the second plates be arrangeding in parallel that first plate intersects.
Heat-conducting piece the most according to claim 8, it is characterised in that
Being equipped with fin on described diapire, described first plate is shelved on described diapire, described scattered
Backing is received within the gap between adjacent two described first plates or is received within and is opened in described
In recess on the base of one plate, the base of described second plate separates with the top margin of described fin.
10. a hot melt adhesive machine, it is characterised in that described hot melt adhesive machine includes for accommodating PUR
Heating cylinder and be removable installed in described heating cylinder according to any one of claim 1 to 9
Described heat-conducting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620017301.XU CN205463037U (en) | 2016-01-08 | 2016-01-08 | A heat -conducting piece and hot melt adhesive machine for hot melt adhesive machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620017301.XU CN205463037U (en) | 2016-01-08 | 2016-01-08 | A heat -conducting piece and hot melt adhesive machine for hot melt adhesive machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205463037U true CN205463037U (en) | 2016-08-17 |
Family
ID=56665238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620017301.XU Active CN205463037U (en) | 2016-01-08 | 2016-01-08 | A heat -conducting piece and hot melt adhesive machine for hot melt adhesive machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205463037U (en) |
-
2016
- 2016-01-08 CN CN201620017301.XU patent/CN205463037U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |