CN109876998B - Two-component high-precision glue coating device - Google Patents
Two-component high-precision glue coating device Download PDFInfo
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- CN109876998B CN109876998B CN201910166235.0A CN201910166235A CN109876998B CN 109876998 B CN109876998 B CN 109876998B CN 201910166235 A CN201910166235 A CN 201910166235A CN 109876998 B CN109876998 B CN 109876998B
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Abstract
本发明揭示了一种双组份高精密涂胶装置，包括第一胶罐、第二胶罐、混合搅拌套、搅拌轴和电机，混合搅拌套内部设置有流道，流道内设置有搅拌轴，搅拌轴和电机传动连接，电机位于混合搅拌套上部，流道还分别与第一胶罐和第二胶罐相连通，搅拌轴包括第一搅拌轴和第二搅拌轴，第一搅拌轴的上下两端分别连接电机和第二搅拌轴，第一搅拌轴的直径大于第二搅拌轴的直径，且第一搅拌轴的长度短于第二搅拌轴的长度。通过设置第一搅拌轴和第二搅拌轴，能够精确快速均匀混合分别来自第一胶罐和第二胶罐的胶水，提高胶水混合和流动效率。
The present invention discloses a two-component high-precision glue coating device, including a first glue tank, a second glue tank, a mixing and stirring sleeve, a stirring shaft and a motor, a flow channel is arranged inside the mixing and stirring sleeve, a stirring shaft is arranged inside the flow channel, the stirring shaft is connected to the motor by transmission, the motor is located at the upper part of the mixing and stirring sleeve, the flow channel is also connected to the first glue tank and the second glue tank respectively, the stirring shaft includes a first stirring shaft and a second stirring shaft, the upper and lower ends of the first stirring shaft are respectively connected to the motor and the second stirring shaft, the diameter of the first stirring shaft is greater than the diameter of the second stirring shaft, and the length of the first stirring shaft is shorter than the length of the second stirring shaft. By arranging the first stirring shaft and the second stirring shaft, the glue from the first glue tank and the second glue tank can be accurately, quickly and evenly mixed, and the glue mixing and flow efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of double-component dispensing equipment, and particularly relates to a double-component high-precision gluing device.
Background
The two-component dispensing device is characterized in that two different glues are stored separately, and when the two glues are used, the two glues are mixed according to a specified proportion and then are bonded. The automatic valve opening and closing device is generally used for controlling flow and flow channel interception by an automatic valve opening and closing module, a pneumatic fixed-proportion compression bar or a servo motor control extrusion screw, and is mounted on an XYZ three-axis robot platform by using a standard static mixing tube to carry out mixing point glue needle head of the two-component glue. Wherein the Z axis controls the servo motor to control the up-and-down motion of the dispensing needle head, the needle head moves on the X-Y plane, and one surface is coated by the glue line. The application of the glue lines is accomplished by programming the glue line tracks with an X-Y two axis platform.
However, the existing two-component dispensing equipment has the following problems:
(1) The structure is complex, and the flow channel is easy to be blocked. After the flow channel is blocked due to the solidification of the glue, the glue dispensing needle head can be replaced for use, so that great inconvenience is brought to the use, and the use cost is increased.
(2) The mixing efficiency is low. Some heat-dissipation aluminum alloy shell needs 200 seconds to finish dispensing and coating of various complex-shape adhesive surfaces at 12 positions.
(3) High flow resistance and low flow rate. The length of the flow passage of the automatic valve opening and closing module and the static mixing pipe is about 400mm, so that the flow resistance is increased, and the flow speed is reduced.
(4) The chemical and physical properties of the two glues are changed. If a servo motor is used for controlling the extrusion screw to control the flow and the flow channel interception, the extrusion effect of the extrusion screw can change the chemical and physical properties of the two glues.
Disclosure of Invention
In order to solve the problems, the invention provides the double-component high-precision gluing device which can effectively improve the glue mixing efficiency, is easy to clean and maintain and has low cost.
The double-component high-precision gluing device comprises a first glue tank, a second glue tank, a mixing stirring sleeve, a stirring shaft and a motor, wherein a flow channel is arranged in the mixing stirring sleeve, the stirring shaft is arranged in the flow channel and is in transmission connection with the motor, the motor is positioned at the upper part of the mixing stirring sleeve, and the flow channel is also respectively communicated with the first glue tank and the second glue tank;
The stirring shaft comprises a first stirring shaft and a second stirring shaft, the upper end and the lower end of the first stirring shaft are respectively connected with the motor and the second stirring shaft, the diameter of the first stirring shaft is larger than that of the second stirring shaft, and the length of the first stirring shaft is shorter than that of the second stirring shaft.
Further, the first stirring shaft and the second stirring shaft are respectively provided with blades, the inclination of each blade is 5-20 degrees, and the shape of each blade on the first stirring shaft is larger than that of each blade on the second stirring shaft.
Further, the runner includes first runner, second runner, third runner and fourth runner, first runner with the second runner respectively with the both sides of third runner are linked together, just first runner with the second runner is located respectively the third runner upper portion, the lower part of third runner with the fourth runner is linked together, wherein, first gluey jar with first runner is linked together, second gluey jar with the second runner is linked together, first (mixing) shaft is located inside the third runner, the second (mixing) shaft is located inside the fourth runner.
Further, the third flow passage, the fourth flow passage, the first stirring shaft and the second stirring shaft are coaxially arranged respectively.
Further, still include first connector, second connector, first check valve and second check valve, first connector sets up first gluey jar with between the first runner, the second connector sets up second gluey jar with between the second runner, first check valve sets up inside the first connector, the second check valve sets up inside the second is connected.
Further, a third one-way valve is arranged between the fourth runner and the glue outlet needle head.
Further, still include first volume of gluing regulator and second volume of gluing regulator, first volume of gluing regulator with mix the stirring cover cooperation and be connected, and can follow first runner axis direction removes, in order to adjust first connector lower part open-ended size, and then adjust the discharge amount of first gluey jar glue, the second volume of gluing regulator with mix the stirring cover cooperation and be connected, and can follow second runner axis direction removes, in order to adjust second connector lower part open-ended size, and then adjust the discharge amount of second gluey jar glue.
Further, the motor is connected with the stirring shaft through a gear transmission.
Further, the mixing stirring sleeve further comprises a glue outlet needle head, wherein the glue outlet needle head is connected with the lower part of the mixing stirring sleeve, and the glue outlet needle head is communicated with the flow channel.
Further, the device also comprises a scraping coating head, wherein the scraping coating head is connected with the lower part of the mixing stirring sleeve, and the scraping coating head is communicated with the runner.
By adopting the technology, the invention has the following advantages:
According to the invention, by arranging the first stirring shaft and the second stirring shaft, glue from the first glue tank and the second glue tank can be accurately, quickly and uniformly mixed, and the glue mixing and flowing efficiency is improved. The flow channel is linear and short, and the flow efficiency of the mixed glue is greatly improved by utilizing air pressure control. The flow channel and the stirring shaft can be manually or automatically cleaned, so that the use efficiency is improved. Through setting up first volume of gluing regulator and second volume of gluing regulator, the play volume of gluing of first gluey jar and second gluey jar glue, and then adjust the ratio volume that comes from first gluey jar and second gluey jar glue respectively.
The invention is further illustrated by the following examples in conjunction with the accompanying drawings.
Drawings
FIG. 1 is a schematic diagram of a two-component high-precision gumming device according to the present invention;
FIG. 2 is a schematic view of a flow channel according to the present invention.
In the figure: 110 machine body support, 120 machine body, 210 first glue tank, 220 second glue tank, 230 adjusting air pressure air pump, 300 mixing stirring sleeve, 310 flow channel, 311 first flow channel, 312 second flow channel, 313 third flow channel, 314 fourth flow channel, 400 stirring shaft, 410 first stirring shaft, 420 second stirring shaft, 510 motor, 520 gear, 530 rotating shaft, 600 glue outlet needle, 710 first connector, 720 second connector, 810 first one-way valve, 811 first sealing ball, 812 first spring, 820 second one-way valve, 821 second sealing ball, 822 second spring, 830 third one-way valve, 831 third sealing ball, 832 third spring, 910 first glue amount regulator, 920 second glue amount regulator.
Detailed Description
As shown in fig. 1, the two-component high-precision glue coating device is suitable for middle-low viscosity glue application, and comprises a machine body support 110, a first glue tank 210, a second glue tank 220, a mixing stirring sleeve 300, a stirring shaft 400 and a motor 510, wherein the first glue tank 210, the second glue tank 220, the mixing stirring sleeve 300 and the motor 510 are respectively arranged on the machine body support 110, a runner 310 is arranged inside the mixing stirring sleeve 300, the stirring shaft 400 is arranged in the runner 310 and is in transmission connection with the motor 510, the motor 510 is arranged on the upper part of the mixing stirring sleeve 300, namely, the motor 510 is arranged on the upper part of the stirring shaft 400, the first glue tank 210 and the second glue tank 220 are also arranged on the upper part of the mixing stirring sleeve 300, and the first glue tank 210 and the second glue tank 220 are respectively communicated with the runner 310. In use, glue in the first glue tank 210 and the second glue tank 220 respectively flows into the flow channel 310, and is stirred and mixed by the stirring shaft 400.
In this embodiment, the dual-component high-precision glue spreading device further includes a glue outlet needle 600, the glue outlet needle 600 is connected to the lower portion of the mixing sleeve 300, and the glue outlet needle 600 is communicated with the runner 310, that is, the mixed glue is dispensed through the glue outlet needle 600. The dispensing needle 600 is suitable for dispensing a linear or complex-shaped adhesive surface.
In other embodiments, the two-component high-precision gluing device further comprises a spreading head, the spreading head is connected to the lower part of the mixing sleeve 300, and the spreading head is connected to the flow channel 310, that is, the mixed glue is dispensed by the spreading head. The spreading head is suitable for spreading large-area or simple-shape glue surfaces.
The upper parts of the first and second glue tanks 210 and 220 are respectively pressure-connected with an air pump 230 for adjusting air pressure, and the positive and negative air pressures are communicated to adjust the air pressure inside the first and second glue tanks 210 and 220. In the present embodiment, the first glue tank 210 and the second glue tank 220 are 300ML glue tanks, respectively.
The first and second glue tanks 210 and 220 are provided with stable air pressure by the proportional valve, ensure the stability of flow and proportioning,
The vacuum generator provides a negative pressure back suction function, so that the glue breaking is ensured to be clean and stable, and no glue dripping and leakage occur.
The stirring shaft 400 includes a first stirring shaft 410 and a second stirring shaft 420, and the upper and lower ends of the first stirring shaft 410 are respectively connected with the motor 510 and the second stirring shaft 420, and it should be noted that the glue flowing out of the first glue tank 210 and the second glue tank 220 is stirred and mixed by the first stirring shaft 410 and then stirred and mixed by the second stirring shaft 420.
Blades are provided on the first stirring shaft 410 and the second stirring shaft 420, respectively, to stir the glue. The inclination of the blades is 5-20 degrees, preferably 15 degrees, so that the stirring shaft 400 has a downward pushing function when rotating, and the mixed glue can flow out quickly. In addition, the shape design of the blade has a certain flow control function.
As shown in fig. 2, the flow channel 310 includes a first flow channel 311, a second flow channel 312, a third flow channel 313 and a fourth flow channel 314, the first flow channel 311 and the second flow channel 312 are respectively communicated with both sides of the third flow channel 313, the first flow channel 311 and the second flow channel 312 are respectively positioned at the upper position of the third flow channel 313, the lower part of the third flow channel 313 is communicated with the fourth flow channel 314, wherein the first glue tank 210 is communicated with the first flow channel 311, the second glue tank 220 is communicated with the second flow channel 312, the first stirring shaft 410 is positioned inside the third flow channel 313, and the second stirring shaft 420 is positioned inside the fourth flow channel 314. In this way, the glue in the first glue tank 210 flows into the third flow channel 313 via the first flow channel 311, and the glue in the second glue tank 220 flows into the third flow channel 313 via the second flow channel 312, and the glue respectively from the first glue tank 210 and the second glue tank 220 is stirred and mixed in the third flow channel 313 by the first stirring shaft 410, and the mixed glue flows into the fourth flow channel 314, and is stirred and mixed again by the second stirring shaft 420, so that the fusion efficiency is effectively improved.
The third flow channel 313 and the fourth flow channel 314 are coaxially arranged, so that the glue flows from top to bottom, and the fluidity of the glue is effectively improved. More preferably, the third flow channel 313, the fourth flow channel 314, the first stirring blade 410, the second stirring blade 420 and the glue outlet needle 600 are coaxially arranged, so as to further improve the fluidity of the glue.
The diameter of the first stirring shaft 410 is larger than the diameter of the second stirring shaft 420, and the blades on the first stirring shaft 410 are larger than the blades on the second stirring shaft 420, while the length of the first stirring shaft 410 is shorter than the length of the second stirring shaft 420. I.e. the diameter of the third flow channel 313 is larger than the diameter of the fourth flow channel 314 and the length of the third flow channel 313 is shorter than the length of the fourth flow channel 314. Because the third flow channel 313 is shorter in length and the blades of the first stirring shaft 410 are larger, the flow block of the glue in the third flow channel 313 gathers the glue downwards and at the center, so that the stirring of the glue is ensured to be sufficient. Because the length of the fourth flow channel 314 is long and the blades of the second stirring shaft 420 are smaller, the glue flows slowly in the fourth flow channel 314, and uniform mixing of the glue is ensured.
The length of the third flow channel 313 and the fourth flow channel 314 added is one fifth of the length of the flow channel of the existing apparatus, preferably, the length of the third flow channel 313 and the fourth flow channel 314 added is 50mm, so that the flow resistance is reduced and the flow rate is increased.
The lower portion of the third flow channel 313 is tapered, and the cross section is sequentially reduced from top to bottom, so that the glue can be moved downward and the center is closed to flow to the fourth flow channel 314, thereby improving the flow efficiency. The lower part of the fourth runner 314 is also tapered, and the cross section is sequentially reduced from top to bottom, so that the glue can be drawn together downwards and at the center so as to flow to the glue outlet needle 600, and the flow efficiency is improved.
As shown in fig. 1 and 2, the first flow channel 311 and the second flow channel 312 are perpendicular to the third flow channel 313, respectively, and preferably, the first flow channel 311 and the second flow channel 312 are symmetrically disposed along the axis of the third flow channel 313, respectively.
The first and second glue tanks 210 and 220 are symmetrically disposed along the axis of the third flow path 313, and the motor 510 is located between the first and second glue tanks 210 and 220.
As shown in fig. 2, the two-component high-precision glue coating apparatus further includes a first connector 710, a second connector 720, a first check valve 810 and a second check valve 820, wherein the first connector 710 is disposed between the first glue tank 210 and the first flow channel 311, i.e. the glue in the first glue tank 210 flows into the first flow channel 311 through the first connector 710. The second connector 720 is arranged between the second glue reservoir 220 and the second flow channel 312, i.e. glue in the second glue reservoir 220 flows through the second connector 720 into the second flow channel 312. By providing the first connector 710 and the second connector 720, the flow path design is simplified and shortened. The first check valve 810 is disposed inside the first connector 710, and the second check valve 820 is disposed inside the second connector 720, so that the glue is prevented from flowing back by disposing the first check valve 810 and the second check valve 820, and the glue leakage is prevented from occurring when the glue can is replaced, so that the glue can be filled and the glue can be replaced quickly. Referring to fig. 2, the first check valve 810 includes a first sealing ball 811 and a first spring 812, and the second check valve 820 includes a second sealing ball 821 and a second spring 822.
As shown in fig. 2, a third one-way valve 830 is disposed between the fourth runner 314 and the glue outlet needle 600, so as to effectively prevent the glue from flowing back, wherein the third one-way valve 830 includes a third sealing ball 831 and a third spring 832.
As shown in fig. 2, the two-component high-precision glue coating apparatus further includes a first glue amount adjuster 910 and a second glue amount adjuster 920, it should be noted that the lower opening of the first connector 710 is communicated with the first flow channel 311, and the lower opening of the second connector 720 is communicated with the second flow channel 312, where the first glue amount adjuster 910 is cooperatively connected with the mixing sleeve 300 and can move along the axial direction of the first flow channel 311 to adjust the size of the lower opening of the first connector 710, thereby adjusting the discharge amount of the glue in the first glue tank 210. The second glue amount adjuster 920 is cooperatively connected with the mixing sleeve 300 and can move along the axial direction of the second flow channel 312 to adjust the size of the lower opening of the second connector 720, thereby adjusting the discharge amount of the glue of the second glue tank 220. By providing the first and second glue amount adjusters 910 and 920, the amount of glue dispensed from the first and second glue tanks 210 and 220, respectively, is highly precisely adjusted.
The first and second glue amount adjusters 910 and 920 are respectively screw-coupled to the mixing sleeve 300, and the discharge amounts of the glue of the first and second glue tanks 210 and 220 are adjusted by rotating the first and second glue amount adjusters 910 and 920.
The first and second glue amount adjusters 910 and 920 may be screws, respectively.
The mixing sleeve 300 is detachably connected with the machine body support 110, so that the first stirring shaft 410 and the second stirring shaft 420 are detached, and the first stirring shaft 410 and the second stirring shaft 420 are cleaned and maintained, namely, manual cleaning is realized. Besides adopting a manual cleaning mode, the cleaning device can also automatically clean, and specifically comprises the following steps: the glue tank can be filled with cleaning agent, an automatic cleaning procedure is used, the cleaning agent is used for cleaning the flow channel and the stirring shaft 400, and then the glue tank is dried by high-pressure air.
As shown in fig. 1, the two-component high-precision gluing device further comprises a gear 520 and a rotating shaft 530, and an output shaft of the motor 510 is meshed with the gear 520. The center of the gear 520 is connected with a rotating shaft 530, and the rotating shaft 530 is connected with the stirring shaft 400. The motor 510 drives the gear 520 to rotate, and the gear 520 drives the stirring shaft 400 to rotate. The motor 510 may be a stepper motor, i.e., the rotational speed of the stirring shaft 400 may be adjustable.
Referring to fig. 1, the gear 520 and the outside of the rotating shaft 530 are coupled with the body 120. The machine body 120 corresponds to the upper part of the mixing sleeve 300, and a sealing ring is arranged between the machine body 120 and the mixing sleeve 300, so that air is isolated, and no bubbles are generated in the mixed glue.
The double-component high-precision gluing device further comprises a controller, an automatic control proportional valve provides stable air pressure, the constant flow ratio of the first glue tank 210 to the second glue tank 220 is ensured, the rotating speed of the stirring shaft 400 is automatically controlled, and uniform mixing is ensured. The air pressure of the proportional valve is automatically controlled, the air pressure is automatically adjusted according to the residual glue amount of the glue tank, and the stability of the output glue amount is ensured. The controller can be communicated with a standard robot platform and an upper computer of a production line, and the whole automatic intelligent gluing system is integrated.
The glue tank also has an alarm function, for example, the glue tank has a low glue level, and once the glue in the glue tank is lower than the low glue level, the glue tank is prompted to be replaced.
The double-component high-precision gluing device further comprises a touch screen, and the touch screen is used for parameter adjustment, daily operation and maintenance.
When the adhesive dispensing device is installed, only the bracket 110 is required to be installed on the Z axis of the robot platform, and the up-and-down movement can be automatically realized through the control of a robot. When dispensing, the product to be dispensed can be placed on the platform clamp, and then the robot system controls the gluing track and the procedure, so that the online automatic dispensing operation can be realized.
In summary, the device can be matched with an intelligent robot system and is used for rapidly gluing complex or simple shapes, for example, a certain heat-dissipation aluminum alloy shell only needs 60-100 seconds to finish the dispensing and coating of the surfaces of the feet with the complex shapes at 12 positions. By adopting a modularized design, different functional modules, such as selection of a glue outlet needle head or a doctor blade coating head, or selection of a glue amount regulator for regulating the glue amount can be quickly replaced according to the properties of glue and the assembly process requirements, so that the optimal performance and efficiency can be realized. The device has the functions of large flow and rapid mixing, can improve the glue mixing and coating efficiency, and can simply realize an online automatic solution. The glue mixing proportion is customized constantly, automatic or manual cleaning is realized, and the glue mixing device has the advantages of difficult blockage of a runner, high precision, convenience in maintenance, low purchase and maintenance cost and the like.
The above-described embodiments are only for illustrating the technical spirit and features of the present invention, and it is intended to enable those skilled in the art to understand the content of the present invention and to implement it accordingly, and the scope of the present invention as defined by the present embodiments should not be limited only by the present embodiments, i.e. equivalent changes or modifications made in accordance with the spirit of the present invention will still fall within the scope of the present invention.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910166235.0A CN109876998B (en) | 2019-03-06 | 2019-03-06 | Two-component high-precision glue coating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910166235.0A CN109876998B (en) | 2019-03-06 | 2019-03-06 | Two-component high-precision glue coating device |
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| CN109876998A CN109876998A (en) | 2019-06-14 |
| CN109876998B true CN109876998B (en) | 2024-06-21 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110860432A (en) * | 2019-11-27 | 2020-03-06 | 珠海市润星泰电器有限公司 | Automatic mixing point system of proportioning |
| CN111097673A (en) * | 2019-12-26 | 2020-05-05 | 贵阳万江航空机电有限公司 | Mixing method of two-component glue solution |
| CN111167673B (en) * | 2020-02-13 | 2024-08-06 | 苏州卓兆点胶股份有限公司 | Dynamic mixing double-liquid screw valve |
| CN111992432B (en) * | 2020-08-12 | 2021-11-19 | 海宁海之利照明有限公司 | Light bar dispenser capable of avoiding blocking of glue heads in LED lamp production |
| CN115488011A (en) * | 2022-08-11 | 2022-12-20 | 北京机械设备研究所 | Pouring sealant filling and sealing device and pouring sealant filling and sealing system |
| CN115532538A (en) * | 2022-10-28 | 2022-12-30 | 武汉恒新动力科技有限公司 | A precision mixing and coating device and a coating process control method |
| CN116237204A (en) * | 2023-03-29 | 2023-06-09 | 武汉德宝装备股份有限公司 | Intelligent metering and mixing device for two-component fluid and application method thereof |
| CN120325484A (en) * | 2024-01-17 | 2025-07-18 | 苏州卓兆点胶股份有限公司 | Mixing valve for dispensing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN210386385U (en) * | 2019-03-06 | 2020-04-24 | 中国船舶重工集团公司第七一一研究所 | Two-component high-precision gluing device |
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| CN205887349U (en) * | 2016-08-11 | 2017-01-18 | 苏州迈硕自动化设备有限公司 | Two ingredients developments stirring dispensing valve |
| CN206442264U (en) * | 2017-02-21 | 2017-08-25 | 中国第一汽车股份有限公司 | Full-automatic motor rotor glue-pouring device |
| KR101903105B1 (en) * | 2017-02-28 | 2018-11-22 | (주) 엔텍인더스트리 | Primer feeder for window glass attachment of automobile |
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| CN210386385U (en) * | 2019-03-06 | 2020-04-24 | 中国船舶重工集团公司第七一一研究所 | Two-component high-precision gluing device |
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