CN108714527B - Sealing device and method for reactive hot melt adhesive - Google Patents
Sealing device and method for reactive hot melt adhesive Download PDFInfo
- Publication number
- CN108714527B CN108714527B CN201810798072.3A CN201810798072A CN108714527B CN 108714527 B CN108714527 B CN 108714527B CN 201810798072 A CN201810798072 A CN 201810798072A CN 108714527 B CN108714527 B CN 108714527B
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- CN
- China
- Prior art keywords
- hot melt
- melt adhesive
- sealing
- heating
- rubber tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000004831 Hot glue Substances 0.000 title claims abstract description 67
- 238000007789 sealing Methods 0.000 title claims abstract description 49
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 80
- 229920001971 elastomer Polymers 0.000 claims abstract description 57
- 239000000463 material Substances 0.000 claims abstract description 51
- 239000003566 sealing material Substances 0.000 claims abstract description 27
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 239000012943 hotmelt Substances 0.000 claims description 6
- 239000012188 paraffin wax Substances 0.000 claims description 6
- 239000001993 wax Substances 0.000 claims description 6
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 239000002952 polymeric resin Substances 0.000 claims description 3
- 229920003002 synthetic resin Polymers 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 1
- 230000006866 deterioration Effects 0.000 abstract description 2
- 239000003292 glue Substances 0.000 abstract description 2
- 230000002411 adverse Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000011888 foil Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006757 chemical reactions by type Methods 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920003225 polyurethane elastomer Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/11—Vats or other containers for liquids or other fluent materials
- B05C11/115—Sealing means for work inlet or outlet
Abstract
The invention relates to the field of hot melt adhesive sealing, and particularly discloses a sealing device and a sealing method of reactive hot melt adhesive, wherein the sealing device is provided with a workbench, a control panel is arranged on the side surface of the workbench, a head plug heating block and a head plug heating controller are arranged above the workbench, a material connecting device fixing wall is arranged on the other side surface of the workbench, a material-pointing heating sleeve is arranged on the workbench, the material-pointing heating sleeve is connected with the material-pointing heating controller, the upper part of the material-pointing heating sleeve is connected with a connecting rubber pipe and a vent pipe, the connecting rubber pipe is connected with the material-pointing controller, and the material-pointing controller is connected with a compressed air pipe; the sealing method comprises the following steps: firstly, the sealing material is put into a head plug on a heating block, then hot melt adhesive is filled into a rubber tube, the head plug is heated, the opening at the lower end of the rubber tube is sealed by the head plug, and meanwhile, the sealing material is heated by a spot material heater and drips into a rubber-coated surface, and the upper cover of the rubber tube is covered. The invention prolongs the shelf life of the hot melt adhesive and prevents bad phenomena such as glue deterioration, viscosity rise and the like.
Description
Technical Field
The invention relates to the field of hot melt adhesive sealing, and particularly discloses a sealing device and a sealing method of a reactive hot melt adhesive.
Background
The reactive hot melt adhesive sold in the market at present adopts 30ml rubber tube package aiming at the application of the electronic industry. However, in the process of producing and filling 30ml rubber tubes, the problems of the influence of water vapor on the hot melt adhesive and the wall detachment in the process of reducing the temperature of the hot melt adhesive are solved, the skinning in the process of storage is complex, and the reject ratio is high. In the traditional production process, a vacuum glove box is connected by a hot melt adhesive machine, an operator uses the vacuum glove box to split, then a heat preservation sleeve is sleeved, the temperature is reduced in a foam box, the reactive hot melt adhesive in the process is removed from the wall, the adverse phenomena such as skinning on the upper surface in the storage process are very high, and the adverse rate such as the removal of the wall of the hot melt adhesive caused by vacuumizing negative pressure is higher because an aluminum foil bag is required to be used for vacuum sealing.
Disclosure of Invention
In order to overcome the defects and shortcomings in the prior art, the invention aims to provide a sealing device and a sealing method for a reactive hot melt adhesive.
In order to achieve the above object, the present invention adopts the following scheme.
The utility model provides a sealing device of reaction type hot melt adhesive, sealing device has the workstation, be provided with control panel on the workstation side, the workstation top is provided with first stopper heating block and first stopper heating controller, first stopper heating block and first stopper heating controller are connected, connecting point material heater fixed wall on the workstation another side, be provided with some material heating jacket on the some material heater fixed wall, some material heating jacket is connected with some material heating controller, and some material heating jacket below has the export, and the sealing material after the heating flows, and some material heating jacket top has the opening, is connected with connecting rubber pipe, breather pipe one end, the connecting rubber pipe other end is connected with some material controller, and some material controller is connected with compressed air pipe again, the atmospheric air is let in to the breather pipe other end, and the hot melt adhesive rubber pipe is located the position under some material heater, makes the sealing material that some material heating jacket flows drip into the hot melt adhesive rubber pipe, some material heating jacket and hot melt adhesive are located the top of first stopper heating block.
In another embodiment, the plug heating controller and the spot-charge heating controller may be the same heating controller.
Further, the head plug heating block is provided with a plurality of holes for accommodating the head plugs, the inner diameter of the holes is 4-5mm, and the depth of the holes is 8-12mm.
The sealing method of the reactive hot melt adhesive comprises the steps of firstly, injecting a sealing material into a head plug on a heating block, then pouring the hot melt adhesive into a rubber tube, heating the head plug after the hot melt adhesive is poured, sealing an opening at the lower end of the rubber tube by the head plug, heating a sealing material drop into a rubber-applying surface of the hot melt adhesive in the rubber tube by using a spot material heater, and covering an upper cover of the rubber tube; or firstly, the sealing material is dotted in a head plug on the heating block, then hot melt adhesive is filled in the rubber tube, after the hot melt adhesive is filled, the sealing material is heated by a dotted material heater and dripped into the adhesive surface of the hot melt adhesive in the rubber tube, the upper cover of the rubber tube is covered, the head plug heating block is heated, and the opening at the lower end of the rubber tube is sealed by the head plug.
Wherein, the commonly used 30ml hot melt adhesive hose consists of a hose body, an upper cover and a head plug.
Further, the heating temperature of the head plug heating block is 80-100 ℃.
Further, the material dispensing amount in the head plug is 0.05-0.4 g.
Further, the dispensing amount of the rubberizing surface is 1.0-3.0 g
In one embodiment, the sealing material may be at least one selected from graphite, a high molecular resin, and wax. Preferably, the melting point of the polymer resin and the wax is 40-70 ℃, and the density is less than 1
Further, the wax is selected from paraffin wax. The paraffin wax melting point is 48 degrees.
The paraffin wax with the melting point of 48 degrees has good sealing effect and is easy to take out in the use process.
In addition, different pigments may be mixed into the paraffin wax as needed.
In another embodiment, the sealing material may be selected from one of nitrile rubber, polyurethane rubber, fluororubber, silicone rubber, acrylate rubber, ethylene propylene rubber, polytetrafluoroethylene.
In another embodiment, after the hot melt adhesive is poured into the rubber tube and the opening at the lower end of the rubber tube is sealed by a head plug dripped with a sealing material, a cooling step is added, and after the hot melt adhesive is completely cooled, a spot material heater is used for heating the sealing material to drip into the rubberizing surface of the hot melt adhesive in the rubber tube;
or after the hot melt adhesive is poured into the rubber tube, a step of heating and sealing the adhesive surface of the hot melt adhesive in the rubber tube by using a spot material heater, adding a cooling step, and after the hot melt adhesive is completely cooled, sealing the opening at the lower end of the rubber tube by using a head plug which is dripped with the sealing material.
The invention has the beneficial effects that: .
1. After the hot melt adhesive is filled, sealing is realized within 5-10 seconds, and the waterproof and dustproof effects are immediately obtained.
2. In the cooling shrinkage process of the hot melt adhesive, the sealing layer always keeps a liquid state along with the shrinkage of the hot melt adhesive from liquid to solid, and the shape changes along with the shrinkage of the hot melt adhesive and is always attached to the adhesive surface of the hot melt adhesive, so that the sealing effect is achieved.
3. The preservation life of the hot melt adhesive is prolonged, and adverse phenomena such as glue deterioration, viscosity rise and the like are prevented.
4. The hot melt adhesive can be directly packaged in an air conditioning room without equipment such as a glove box, a moistureproof box and the like, and the process is simplified.
5. After the hot melt adhesive is filled and sealed, the vacuum aluminum foil bag can be not used for packaging, so that the defects caused by vacuumizing negative pressure are reduced, and the cost is also reduced.
Drawings
Fig. 1 is a schematic view of a sealing device for a reactive hot melt adhesive according to a first embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to examples and drawings, which are not intended to be limiting, for the understanding of those skilled in the art.
Example 1
The embodiment provides a sealing device and a sealing method of a reactive hot melt adhesive, the sealing device is provided with a workbench 1, a control panel 2 is arranged on one side surface of the workbench, a head plug heating block 3 and a head plug heating controller 4 are arranged above the workbench, the head plug heating block 3 is connected with the head plug heating controller 4, a material connecting device fixing wall 5 is connected on the other side of the workbench, a material heating sleeve 6 is arranged on the material connecting device fixing wall 5, the material heating sleeve 6 is connected with a material heating controller 11, an outlet is arranged below the material heating sleeve for outflow of heated sealing materials, an opening is arranged above the material heating sleeve, the sealing device is connected with a connecting rubber tube 7 and a vent tube 8, the other end of the connecting rubber tube 7 is connected with a material heating controller 9, the material heating controller 9 is also connected with a compressed air tube 10, the other end of the vent tube 8 is filled with air, a hot melt rubber tube 12 is positioned under the material heating device, the material heating sleeve is enabled to flow out of the sealing material hot melt rubber tube, and the material heating sleeve and the hot melt rubber tube is dripped into the sealing material heating tube positioned above the head heating block.
The sealing method comprises the following steps: firstly, 0.3 g of sealing material is dripped into a head plug on a heating block, then hot melt adhesive is filled into a rubber tube, after the hot melt adhesive is filled, the head plug is heated to 90 degrees before the hot melt adhesive is cooled, then the opening at the lower end of the rubber tube is sealed by the head plug, meanwhile, the sealing material is heated by a material dripping heater to drip into a rubber surface, the upper cover of the rubber tube is covered, and the material dripping amount of the rubber surface is 2 g.
Example two
The second embodiment is different from the first embodiment in that: the plug heating controller and the spot-feed heating controller can be the same heating controller. The rest is the same as in the first embodiment and will not be described again here.
Example III
The third embodiment is different from the first embodiment in that: the sealing method can be that after the hot melt adhesive is filled, a cooling step is added, after the hot melt adhesive is completely cooled, the opening at the lower end of the rubber tube is sealed by a head plug, and meanwhile, a spot heater is used for heating and sealing the material to drop into the adhesive surface. The rest is the same as in the first embodiment and will not be described again here.
The foregoing is merely exemplary of the present invention, and those skilled in the art should not be considered as limiting the invention, since modifications may be made in the specific embodiments and application scope of the invention in light of the teachings of the present invention.
Claims (7)
1. A sealing method of a reactive hot melt adhesive sealing device is characterized by comprising the following steps: the sealing device is provided with a workbench, a control panel is arranged on one side surface of the workbench, a head plug heating block and a head plug heating controller are arranged above the workbench, the head plug heating block is connected with the head plug heating controller, a material connecting device fixing wall is connected to the other side surface of the workbench, a material dispensing heating sleeve is arranged on the material dispensing fixing wall, the material dispensing heating sleeve is connected with the material dispensing heating controller, an outlet is arranged below the material dispensing heating sleeve and used for discharging heated sealing material, an opening is arranged above the material dispensing heating sleeve and is connected with one end of a connecting rubber tube and one end of a vent tube, the other end of the connecting rubber tube is connected with the material dispensing controller, the material dispensing controller is connected with a compressed air tube, the other end of the vent tube is filled with air, the hot melt rubber tube is positioned under the material dispensing heater, the sealing material flowing out of the material dispensing heating sleeve is dripped into the hot melt rubber tube, and the material dispensing heating sleeve and the hot melt rubber tube are positioned above the head plug heating block, and the head plug heating controller and the material dispensing heating controller are the same heating controller; firstly, a sealing material is dotted in a head plug on a head plug heating block, then hot melt adhesive is filled into a rubber tube, after the hot melt adhesive is filled, the head plug heating block is heated, an opening at the lower end of the rubber tube is sealed by the head plug, then a spot material heater is used for heating the sealing material to drop into the rubber surface of the hot melt adhesive in the rubber tube, and the upper cover of the rubber tube is covered; or firstly, injecting a sealing material into a head plug on a head plug heating block, then injecting a hot melt adhesive into a rubber tube, after the hot melt adhesive is injected, heating the sealing material by using a material injecting heater to drop into the adhesive surface of the hot melt adhesive in the rubber tube, covering an upper cover of the rubber tube, then heating the head plug heating block, sealing an opening at the lower end of the rubber tube by using the head plug, after the hot melt adhesive is injected into the rubber tube, adding a cooling step, and after the hot melt adhesive is completely cooled, heating the sealing material by using the material injecting heater to drop into the adhesive surface of the hot melt adhesive in the rubber tube; or after the hot melt adhesive is poured into the rubber tube, a step of heating and sealing the adhesive surface of the hot melt adhesive in the rubber tube by using a spot material heater, adding a cooling step, and after the hot melt adhesive is completely cooled, sealing the opening at the lower end of the rubber tube by using a head plug which is dripped with the sealing material.
2. The sealing method of a reactive hot melt adhesive sealing apparatus according to claim 1, wherein: the heating temperature of the head plug heating block is 80-100 ℃.
3. The sealing method of a reactive hot melt adhesive sealing apparatus according to claim 1, wherein: the dispensing amount of the rubberizing surface is 1.0-3.0 g.
4. The sealing method of a reactive hot melt adhesive sealing apparatus according to claim 1, wherein: the sealing material is at least one selected from polymer resin and wax.
5. The sealing method of a reactive hot melt adhesive sealing apparatus according to claim 4, wherein: the melting point of the polymer resin and the wax is 40-70 ℃, and the density is less than 1.
6. The sealing method of a reactive hot melt adhesive sealing apparatus according to claim 5, wherein: the wax is selected from paraffin wax.
7. The sealing method of a reactive hot melt adhesive sealing apparatus according to claim 6, wherein: the paraffin wax melting point is 48 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810798072.3A CN108714527B (en) | 2018-07-19 | 2018-07-19 | Sealing device and method for reactive hot melt adhesive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810798072.3A CN108714527B (en) | 2018-07-19 | 2018-07-19 | Sealing device and method for reactive hot melt adhesive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108714527A CN108714527A (en) | 2018-10-30 |
| CN108714527B true CN108714527B (en) | 2024-02-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810798072.3A Active CN108714527B (en) | 2018-07-19 | 2018-07-19 | Sealing device and method for reactive hot melt adhesive |
Country Status (1)
| Country | Link |
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| CN (1) | CN108714527B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289431B (en) * | 2018-12-06 | 2022-08-19 | 天津澳普林特科技股份有限公司 | Method for rapidly evaluating 30mLPUR glue water wall-separating risk |
| CN110539961A (en) * | 2019-09-11 | 2019-12-06 | 厦门韦尔通科技有限公司 | PUR hot melt rubber tube and packaging process and using method thereof |
| CN112694052B (en) * | 2020-12-10 | 2022-07-12 | 韦尔通(厦门)科技股份有限公司 | Treatment process and jig for improving production yield of PUR reactive hot melt adhesive |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3608983A1 (en) * | 1986-03-18 | 1987-10-01 | Niedecker Herbert | Method for sealing a filled packaging casing |
| CN102556382A (en) * | 2012-01-17 | 2012-07-11 | 无锡市弼程机电设备有限公司 | Glue filling device |
| CN202574878U (en) * | 2012-01-09 | 2012-12-05 | 艾缇高科技材料(上海)有限公司 | Reusable tube special for sealing gum |
| CN206288485U (en) * | 2016-12-21 | 2017-06-30 | 杭州鑫球胶业有限公司 | A kind of sebific duct for depositing adhesive |
| CN207089711U (en) * | 2017-06-14 | 2018-03-13 | 上海昊誉化工有限公司 | A kind of automatic embedding system suitable for silica gel |
| CN209109509U (en) * | 2018-07-19 | 2019-07-16 | 东莞市华昱新材料科技有限公司 | A kind of sealing device of Reactive hot melt adhesive |
-
2018
- 2018-07-19 CN CN201810798072.3A patent/CN108714527B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3608983A1 (en) * | 1986-03-18 | 1987-10-01 | Niedecker Herbert | Method for sealing a filled packaging casing |
| CN202574878U (en) * | 2012-01-09 | 2012-12-05 | 艾缇高科技材料(上海)有限公司 | Reusable tube special for sealing gum |
| CN102556382A (en) * | 2012-01-17 | 2012-07-11 | 无锡市弼程机电设备有限公司 | Glue filling device |
| CN206288485U (en) * | 2016-12-21 | 2017-06-30 | 杭州鑫球胶业有限公司 | A kind of sebific duct for depositing adhesive |
| CN207089711U (en) * | 2017-06-14 | 2018-03-13 | 上海昊誉化工有限公司 | A kind of automatic embedding system suitable for silica gel |
| CN209109509U (en) * | 2018-07-19 | 2019-07-16 | 东莞市华昱新材料科技有限公司 | A kind of sealing device of Reactive hot melt adhesive |
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| CN108714527A (en) | 2018-10-30 |
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