CN105004437A - Glue injection device of temperature detection blind hole - Google Patents
Glue injection device of temperature detection blind hole Download PDFInfo
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- CN105004437A CN105004437A CN201510252635.5A CN201510252635A CN105004437A CN 105004437 A CN105004437 A CN 105004437A CN 201510252635 A CN201510252635 A CN 201510252635A CN 105004437 A CN105004437 A CN 105004437A
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- blind hole
- temperature detection
- glue
- detection blind
- glue injection
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Abstract
A glue injection device of a temperature detection blind hole belongs to the rail vehicle deep and thin blind hole special-purpose glue injection device field, and comprises an injection head, a flexible pipe and a conventional syringe not having a syringe needle. The external diameter of the injection head is less than the internal diameter of the temperature detection blind hole, the front end of the injection head is equipped with a conical glue injection port, the tail end of the injection head is fixedly connected and communicated with the flexible pipe, and the other end of the flexible pipe is connected and communicated with the conventional syringe not having the syringe needle. The beneficial effects of the present invention are that: the glue injection device of the temperature detection blind hole utilizes the conical glue injection port made of the flexible materials, such as the rubber, etc., as a glue injection part and a sealing part simultaneously, also can utilize the viscosity characteristic of a heat-conducting glue itself to form a temporary enclosed pressure environment while reducing the glue injection resistance, thereby quitting the injection head from the temperature detection blind hole automatically and slowly while finishing the glue injection process step by step, at the same time, guaranteeing the uniform glue injection and completely eradicating the bubble residual.
Description
Technical field
The invention belongs to the dark thin special glue filling device field of blind hole of rail vehicle, be specifically related to a kind of glue filling device of temperature detection blind hole.
Background technology
The axle box of rail vehicle and gear case etc. need the parts of monitor temperature to be equipped with the very large but temperature detection blind hole that aperture is tiny of the degree of depth, for use in inserting elongated temperature sensor probe.Only there is 5.3mm in the aperture of such as, temperature detection blind hole on certain axle box of bullet train, but its degree of depth reaches 85mm.According to designing requirement, before insertion temperature sensor, need to this kind of temperature detection blind via bottom filling heat-conducting glue to increase the homogeneity of heat conduction, the heat-conducting glue of annotating needs the bottom cavity of evenly filling up temperature detection blind hole, must not there is bubble and gap.
The degree of depth is less than to the more shallow blind hole of 5cmd, usual employing with metal needle bottom from conventional syringe to its temperature detection blind hole filling heat-conducting glue, but because metal needle diameter is too thin, and heat-conducting glue viscosity is very large, therefore the resistance of glue in metal needle is very large, and this makes this injecting glue process very painstaking.Meanwhile, the method also easily cause heat-conducting glue at blind via bottom skewness residual small bubbles, and then produce heat-blocking action, affect sensitivity and the accuracy of temperature detection.
The degree of depth is greater than to the darker blind hole of 5cmd, then also needs to connect syringe and metal needle respectively with band tubing, compensated the deficiency of metal needle length by the mode band tubing of metal needle and end thereof being all inserted into temperature detection blind via bottom.But, which is except producing the problems such as the painstaking and residual small bubbles of aforementioned heat-conducting glue injecting glue, also can cause new problem, such as, when completing injecting glue and together extracted out from temperature detection blind hole together with metal needle by band tubing, originally larger bubble may be produced by the space that band tubing occupies, and when the probe of temperature sensor is inserted in temperature detection blind hole now, part heat-conducting glue can be extruded by existing air pocket on the contrary from temperature detection blind hole, and brings larger harmful effect to the accuracy of detection of temperature sensor.In addition, the method using band tubing to extend metal needle is also unfavorable for accurately grasping injecting glue amount, cannot realize quantitative glue injection, not only causes the excessive of heat-conducting glue and waste, and is infected with circumferential component, affect product appearance clean and tidy, or pollute operating personnel's dressing.
Summary of the invention
In order to solve the syringe of existing band metal needle or extend the modified type syringe after metal needle end by rubber hose, it is very large to the degree of depth but in the process of heat-conducting glue of annotating in the temperature detection blind hole that aperture is tiny, glue skewness easily occurs, produce the situation that bubble space etc. affects heat conduction efficiency, simultaneously, also have that injecting glue process resistance is large, efficiency is low and cannot realize quantitative glue injection, easily cause the waste of heat-conducting glue and pollute the clean and tidy technical matters of surrounding enviroment, the invention provides a kind of glue filling device of temperature detection blind hole.
The technical scheme that technical solution problem of the present invention is taked is as follows:
The glue filling device of temperature detection blind hole, it comprises injection head, flexible pipe and the conventional syringe not with syringe needle, the external diameter of injection head is less than the internal diameter of temperature detection blind hole, and the front end of injection head is provided with conical gum-injecting port, and the end of injection head and flexible pipe are connected and through; The other end of flexible pipe is connected with the conventional syringe not with syringe needle and through.
Described injection head is hard pipe, and its total length is more than or equal to 50mm.The external diameter of described injection head is less than the internal diameter of the temperature detection blind hole treating injecting glue, and the gap both it is 0.3 to 0.7 millimeter.Described conical gum-injecting port is the flexible materials such as rubber.
The invention has the beneficial effects as follows: the conical gum-injecting port that the glue filling device of this temperature detection blind hole utilizes the flexible materials such as rubber to make is simultaneously as injecting glue parts and air locking, it is while reduction injecting glue resistance, the viscosity characteristics of heat-conducting glue self can also be utilized to form provisional seal-off pressure environment, thus slowly can be exited voluntarily from temperature detection blind hole by injection head while injecting glue process progressively completes, thus ensure that all even gas bubbles left of stopping of injecting glue occurs simultaneously.In addition the glue filling device of this temperature detection blind hole also has simple and practical, easy to operate, with low cost, and can realize quantitative glue injection, avoids heat-conducting glue to waste and stains the advantages such as surrounding enviroment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the glue filling device of temperature detection blind hole of the present invention;
Fig. 2 is the partial enlarged drawing of I part in Fig. 1;
Fig. 3 is the application schematic diagram before the glue filling device injecting glue of temperature detection blind hole of the present invention;
Fig. 4 is the partial enlarged drawing of II part in Fig. 3;
Fig. 5 is the glue filling device injecting glue process application schematic diagram of temperature detection blind hole of the present invention;
Fig. 6 is the partial enlarged drawing of III part in Fig. 5.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further details.
As shown in Figure 1 to Figure 2, the glue filling device of temperature detection blind hole of the present invention comprises injection head 2, flexible pipe 3 and the conventional syringe not with syringe needle 5, the external diameter of injection head 2 is less than the internal diameter of temperature detection blind hole 1, the front end of injection head 2 is provided with conical gum-injecting port 2-1, and the end of injection head 2 and flexible pipe 3 are connected and through.The other end of flexible pipe 3 is connected with the conventional syringe 4 not with syringe needle and through.
Injection head 2 is hard pipe, and its total length is more than or equal to 50mm.
The external diameter of injection head 2 is less than the internal diameter of the temperature detection blind hole treating injecting glue, and the gap 6 both it is 0.3 to 0.7 millimeter.
Conical gum-injecting port 2-1 is the flexible materials such as rubber.
During the glue filling device of embody rule temperature detection blind hole of the present invention, as shown in Figures 3 to 6, be that the temperature detection blind hole 1 of 85mm is example with the degree of depth, its blind hole diameter is 5.3mm.Then the length of required injection head 2 of the present invention is at least 50mm, and diameter control is between 5.9 to 6.7 millimeters.
First by conventional syringe 5 by heat-conducting glue 4 injection hose 3 and injection head 2 in turn, and make the inner falling heat-transfer glue 4 of gum-injecting port 2-1, to discharge all air in injection head 2.
Then, injection head 2 to be slowly inserted in temperature detection blind hole 1 and to reach bottom it, in the process, the air in the cavity 1-1 of blind via bottom is extruded by gum-injecting port 2-1, and all discharges in temperature detection blind hole 1 along the gap 6 between injection head 2 external diameter and temperature detection blind hole 1 internal diameter.
After this, passed through to flexible pipe 3 and injection head 2 slow filling heat-conductive glue 4 in the cavity 1-1 of blind via bottom by conventional syringe 5.After falling heat-transfer glue 4 in cavity 1-1, the gap 6 that heat-conducting glue 4 will fill up near gum-injecting port 2-1 further.Viscosity due to heat-conducting glue 4 is comparatively large and mobility is poor, and after the gap 6 therefore near gum-injecting port 2-1 is all filled, the cavity 1-1 of blind via bottom is by seal-off pressure environment provisional for formation one.After this, the heat-conducting glue 4 being injected the cavity 1-1 of blind via bottom by gum-injecting port 2-1 further will promote the circular conical surface of gum-injecting port 2-1 outside from reverse extrusion, and whole injection head 2 is slowly exited bottom temperature detection blind hole 1.When all injection is complete for the heat-conducting glue 4 in syringe 5, the total amount of the heat-conducting glue 4 in temperature detection blind hole 1 just conforms with the regulations requirement, and injection head 2 also exits enough distances in temperature detection blind hole 1.Be injected into heat-conducting glue 4 in temperature detection blind hole 1 evenly, to enrich and without any gas bubbles left.
Preset heat-conducting glue 4 total amount in syringe 5 according to volume quantitative, and reserve the loading of heat-conducting glue 4 in flexible pipe 3, the quantitative glue injection to temperature detection blind hole 1 can be realized.
Claims (5)
1. the glue filling device of temperature detection blind hole, it is characterized in that: this glue filling device comprises injection head (2), flexible pipe (3) and the conventional syringe not with syringe needle (5), the external diameter of injection head (2) is less than the internal diameter of temperature detection blind hole (1), the front end of injection head (2) is provided with conical gum-injecting port (2-1), and the end of injection head (2) and flexible pipe (3) are connected and through; The other end of flexible pipe (3) is connected with the conventional syringe (4) not with syringe needle and through.
2. the glue filling device of temperature detection blind hole as claimed in claim 1, is characterized in that: described injection head (2) is hard pipe, and its total length is more than or equal to 50mm.
3. the glue filling device of temperature detection blind hole as claimed in claim 1, it is characterized in that: the external diameter of described injection head (2) is less than the internal diameter of the temperature detection blind hole treating injecting glue, the gap (6) both it is 0.3 to 0.7 millimeter.
4. the glue filling device of temperature detection blind hole as claimed in claim 1, is characterized in that: described conical gum-injecting port (2-1) is made for flexible material.
5. the glue filling device of temperature detection blind hole as claimed in claim 4, is characterized in that: described conical gum-injecting port (2-1) is made for rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510252635.5A CN105004437A (en) | 2015-05-18 | 2015-05-18 | Glue injection device of temperature detection blind hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510252635.5A CN105004437A (en) | 2015-05-18 | 2015-05-18 | Glue injection device of temperature detection blind hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105004437A true CN105004437A (en) | 2015-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510252635.5A Pending CN105004437A (en) | 2015-05-18 | 2015-05-18 | Glue injection device of temperature detection blind hole |
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| Country | Link |
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| CN (1) | CN105004437A (en) |
Citations (9)
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|---|---|---|---|---|
| CN101105562A (en) * | 2006-07-12 | 2008-01-16 | 鸿富锦精密工业（深圳）有限公司 | Glue cartridge fixing device and glue dispensing device |
| CN201049338Y (en) * | 2007-04-25 | 2008-04-23 | 比亚迪股份有限公司 | Glue dotting device and glue injection plate thereof |
| CN201065382Y (en) * | 2007-06-12 | 2008-05-28 | 杭州小拇指汽车维修技术开发有限公司 | Injecting head of injector for repairing automobile front windshield |
| CN201975455U (en) * | 2011-03-17 | 2011-09-14 | 肇庆理士电源技术有限公司 | Gluing nozzle and battery gluing machine |
| CN201969663U (en) * | 2011-01-26 | 2011-09-14 | 肇庆理士电源技术有限公司 | Adhesive dispensing nozzle and adhesive dispensing machine |
| CN102744180A (en) * | 2011-04-18 | 2012-10-24 | 颀中科技（苏州）有限公司 | Glue injection equipment for glue sealing |
| US20130216705A1 (en) * | 2012-02-16 | 2013-08-22 | Julian Sprung | Multipurpose pipetting device and methods of using such a device |
| CN203610271U (en) * | 2013-10-29 | 2014-05-28 | 惠州市金山电子有限公司 | Glue dispensing device |
| CN203935937U (en) * | 2014-07-16 | 2014-11-12 | 青岛大学 | A kind of AB glue point glue equipment based on electrostatic spray principle |
-
2015
- 2015-05-18 CN CN201510252635.5A patent/CN105004437A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101105562A (en) * | 2006-07-12 | 2008-01-16 | 鸿富锦精密工业（深圳）有限公司 | Glue cartridge fixing device and glue dispensing device |
| CN201049338Y (en) * | 2007-04-25 | 2008-04-23 | 比亚迪股份有限公司 | Glue dotting device and glue injection plate thereof |
| CN201065382Y (en) * | 2007-06-12 | 2008-05-28 | 杭州小拇指汽车维修技术开发有限公司 | Injecting head of injector for repairing automobile front windshield |
| CN201969663U (en) * | 2011-01-26 | 2011-09-14 | 肇庆理士电源技术有限公司 | Adhesive dispensing nozzle and adhesive dispensing machine |
| CN201975455U (en) * | 2011-03-17 | 2011-09-14 | 肇庆理士电源技术有限公司 | Gluing nozzle and battery gluing machine |
| CN102744180A (en) * | 2011-04-18 | 2012-10-24 | 颀中科技（苏州）有限公司 | Glue injection equipment for glue sealing |
| US20130216705A1 (en) * | 2012-02-16 | 2013-08-22 | Julian Sprung | Multipurpose pipetting device and methods of using such a device |
| CN203610271U (en) * | 2013-10-29 | 2014-05-28 | 惠州市金山电子有限公司 | Glue dispensing device |
| CN203935937U (en) * | 2014-07-16 | 2014-11-12 | 青岛大学 | A kind of AB glue point glue equipment based on electrostatic spray principle |
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Application publication date: 20151028 |