CN110899050A - Online glue amount compensation method - Google Patents
Online glue amount compensation method Download PDFInfo
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- CN110899050A CN110899050A CN201811087804.4A CN201811087804A CN110899050A CN 110899050 A CN110899050 A CN 110899050A CN 201811087804 A CN201811087804 A CN 201811087804A CN 110899050 A CN110899050 A CN 110899050A
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- glue
- dispensing
- dispensing valve
- valve
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- 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
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0291—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work the material being discharged on the work through discrete orifices as discrete droplets, beads or strips that coalesce on the work or are spread on the work so as to form a continuous coating
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- 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
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
- B05C11/1007—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material
- B05C11/1013—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to condition of liquid or other fluent material responsive to flow or pressure of liquid or other fluent material
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention discloses an online glue amount compensation method, which comprises the following steps: s1: the dispensing valve moves from the dispensing area to the weighing area; s2: in the weighing area, a glue dispensing valve dispenses a set number of glue dots; weighing the glue dots, and calculating the absolute value delta M of the difference value between the weight of the glue dots and the set weight; if Δ M is within the predetermined range, go to step S4; if Δ M is greater than or equal to the predetermined range, go to step S3; s3: calculating the pressure regulating range of the electronic pressure regulating valve according to the delta M, so that the electronic pressure regulating valve regulates the feeding pressure of the dispensing valve to realize the compensation of the dispensing amount of the dispensing valve, and then returning to the step S2; s4: and the dispensing valve returns to the dispensing area from the weighing area, and dispensing is continued. The beneficial effects are as follows: the glue point can be compensated by glue amount, the consistency of the weight of the glue point is accurately controlled, the glue discharging stability is good, and the compensation result is accurate.
Description
Technical Field
The invention relates to a compensation method, in particular to an online glue amount compensation method.
Background
In high-end manufacturing industry, for example, products such as cell-phone camera, comprehensive screen narrow frame and fingerprint module need the glue weight uniformity to a little extremely high, and the stability of glue weight not only helps improving production efficiency, can also reduction in production cost. Therefore, precise control of the consistency of the weight of the glue is of great importance. The number of factors affecting the dot count is many, such as: temperature, humidity, glue properties, air supply and spray control stability, etc. How to detect the dispensing weight on line and quickly adjust the dispensing weight provides higher requirements for the precision of the whole system. Temperature, humidity can carry out environmental monitoring, obtains effectual control, but, glue can increase along with the point glue time and the change of nature appears to the influence size of effect is glued to the point to the surplus volume of gluing in the cylinder how much, then hardly characterizes, and the two can all directly influence out gluey stability.
In the prior art, the glue amount compensation method mainly comprises the steps of weighing dispensed glue dots by an electronic scale, knowing the change of the glue amount, and subsequently reducing the dispensing amount of the glue dots if the glue dots are larger than a set value; and if the pectin point is smaller than the set value, the dispensing number of the pectin points is increased subsequently. The main defects of the method are as follows: the compensation amount of the glue amount depends on the weight of a single point, the minimum compensation value is the weight value of the single point, the compensation value cannot be quantitatively and continuously regulated according to the requirement, and the compensation result can fluctuate greatly.
Disclosure of Invention
The invention aims to solve the technical problem of providing an on-line glue amount compensation method which can compensate the glue amount of glue dots under the condition of ensuring that the dispensing amount of the glue dots is not changed, has good glue dispensing stability and has a more accurate compensation result.
The technical scheme adopted by the invention for solving the technical problem is to provide an on-line glue amount compensation method, which comprises the following steps:
s1: the dispensing valve moves from the dispensing area to the weighing area;
s2: in the weighing area, the glue dispensing valve dispenses a set number of glue dots; weighing the glue dots, and calculating the absolute value delta M of the difference value between the weight of the glue dots and the set weight; if Δ M is within the predetermined range, go to step S4; if Δ M is greater than or equal to the set range, go to step S3;
s3: calculating the pressure adjusting range of the electronic pressure regulating valve according to the delta M, so that the feeding pressure of the dispensing valve is adjusted through the electronic pressure regulating valve to realize the compensation of the dispensing amount of the dispensing valve, and then returning to the step S2;
s4: and the dispensing valve returns to the dispensing area from the weighing area, and dispensing is continued.
In the on-line glue amount compensation method of the invention, in the step S1, the dispensing valve moves from the dispensing area to the weighing area at set time intervals.
In the on-line glue amount compensation method of the present invention, in step S2, the glue dots are weighed by an electronic scale.
In the method for compensating an amount of glue on line according to the present invention, if Δ M is within a predetermined range in step S2, the step S4 is specifically: if Δ M is within the predetermined range, the process returns to step S2 until Δ M is within the predetermined range at least 3 times, and then the process proceeds to step S4.
In the method for compensating the amount of glue online, the step S1 is preceded by a step S0: the dispensing valve dispenses the detection glue point, and the mass M of the detection glue point is measured1Measuring the feeding pressure A of the dispensing valve corresponding to the glue detection point; changing the feeding pressure of the dispensing valve to B, dispensing the detection glue point again by the dispensing valve, and measuring the mass M of the corresponding detection glue point2(ii) a Calculating the change of glue volume (M) in unit air pressure1-M2)/(A-B)。
In the on-line glue amount compensation method of the invention, in the step S3, according to Δ M and (M)1-M2) And (A-B) calculating a pressure regulating range of the electronic pressure regulating valve so that the feeding pressure of the dispensing valve is regulated by the electronic pressure regulating valve to realize compensation of the dispensing amount of the dispensing valve, and then returning to the step S2.
The implementation of the online glue amount compensation method has the beneficial effects that: the absolute value delta M of the difference value between the glue point weight and the set weight is calculated, and the pressure adjusting range of the electronic pressure adjusting valve is calculated according to the delta M, so that the electronic pressure adjusting valve adjusts the feeding pressure of the glue dispensing valve, the glue dispensing amount compensation of the glue dispensing valve is realized, the glue dispensing amount compensation can be performed on the glue dispensing point under the condition that the glue dispensing amount of the glue dispensing valve is not changed, the glue dispensing weight consistency is accurately controlled, the glue dispensing stability is good, and the compensation result is accurate.
Drawings
FIG. 1 is a flow chart of an embodiment of the on-line glue amount compensation method of the present invention.
Detailed Description
In order that the objects, aspects and advantages of the invention will become more apparent, the various embodiments described hereinafter refer to the accompanying drawings which form a part hereof, and in which are shown by way of illustration various embodiments in which the invention may be practiced. It is to be understood that other embodiments may be utilized and structural and functional modifications may be made to the embodiments set forth herein without departing from the scope and spirit of the present invention.
As shown in fig. 1, the online glue amount compensation method of the embodiment includes the following steps:
s1: the dispensing valve moves from the dispensing area to the weighing area, and the weighing area is used for weighing through an electronic scale;
s2: in the weighing area, the glue dispensing valve dispenses a set number of glue dots, for example, 3 glue dots, but may be 1 or 5 glue dots or other glue dots in other embodiments; weighing the glue dots, and calculating the absolute value delta M of the difference value between the weight of the glue dots and the set weight; if Δ M is within the predetermined range, go to step S4; if Δ M is greater than or equal to the predetermined range, go to step S3 (i.e., if Δ M is within the predetermined range, go to step S4, if Δ M is not within the predetermined range, go to step S3); further, the set weight is, for example, 5 mg, and the set range is, for example, 0 to 0.3 mg; if the weighed weight of the 3 glue dots is 4.8 mg, Δ M is equal to 0.2 mg, and if 0.2 mg is within the set range of 0-0.3 mg, the step goes to step S4; if the weighed weight of the 3 glue dots is 5.6 mg, the delta M is equal to 0.6 mg, and if the delta M is larger than the set range, the step is skipped to step S3;
s3: calculating the pressure adjusting range of the electronic pressure regulating valve according to the delta M, so that the feeding pressure of the dispensing valve is adjusted through the electronic pressure regulating valve to realize the compensation of the dispensing amount of the dispensing valve, and then returning to the step S2;
s4: and the dispensing valve returns to the dispensing area from the weighing area, and dispensing is continued.
In step S1, the dispensing valve moves from the dispensing area to the weighing area at a set time interval, for example, at a set time interval of 5 minutes or 10 minutes.
In step S2, the glue dots are weighed by an electronic scale.
In step S2, if Δ M is within the predetermined range, the step S4 is executed as follows: if Δ M is within the predetermined range, the process returns to step S2 until Δ M is within the predetermined range at least 3 times, and then the process proceeds to step S4. The operation of weighing for multiple times and compensating for multiple times (for example, 3 times in the embodiment) can make the compensation more accurate and the error smaller.
The step S1 is preceded by the step S0: the dispensing valve dispenses the detection glue point, and the mass M of the detection glue point is measured1Measuring the feeding pressure A of the dispensing valve corresponding to the glue detection point; changing the feeding pressure of the dispensing valve to B, dispensing the detection glue point again by the dispensing valve, and measuring the mass M of the corresponding detection glue point2(ii) a Calculating the change of glue volume (M) in unit air pressure1-M2)/(A-B)。
In step S3, according to Δ M and (M)1-M2) And (A-B) calculating a pressure regulating range of the electronic pressure regulating valve so that the feeding pressure of the dispensing valve is regulated by the electronic pressure regulating valve to realize compensation of the dispensing amount of the dispensing valve, and then returning to the step S2.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. An on-line glue amount compensation method is characterized by comprising the following steps:
s1: the dispensing valve moves from the dispensing area to the weighing area;
s2: in the weighing area, the glue dispensing valve dispenses a set number of glue dots; weighing the glue dots, and calculating the absolute value delta M of the difference value between the weight of the glue dots and the set weight; if Δ M is within the predetermined range, go to step S4; if Δ M is greater than or equal to the set range, go to step S3;
s3: calculating the pressure adjusting range of the electronic pressure regulating valve according to the delta M, so that the feeding pressure of the dispensing valve is adjusted through the electronic pressure regulating valve to realize the compensation of the dispensing amount of the dispensing valve, and then returning to the step S2;
s4: and the dispensing valve returns to the dispensing area from the weighing area, and dispensing is continued.
2. The on-line glue amount compensation method according to claim 1, wherein in the step S1, the glue dispensing valve moves from the glue dispensing area to the weighing area at set time intervals.
3. The on-line glue amount compensation method according to claim 2, wherein in step S2, the glue dots are weighed by an electronic scale.
4. The on-line glue amount compensation method of claim 3, wherein in the step S2, if Δ M is within a predetermined range, the step S4 is specifically as follows: if Δ M is within the predetermined range, the process returns to step S2 until Δ M is within the predetermined range at least 3 times, and then the process proceeds to step S4.
5. The on-line glue amount compensation method according to any one of claims 1 to 4, characterized in that, before the step S1, the method further comprises the step S0: the dispensing valve dispenses the detection glue point, and the mass M of the detection glue point is measured1Measuring the feeding pressure A of the dispensing valve corresponding to the glue detection point; changing the feeding pressure of the dispensing valve to B, dispensing the detection glue point again by the dispensing valve, and measuring the mass M of the corresponding detection glue point2(ii) a Calculating the change of glue volume (M) in unit air pressure1-M2)/(A-B)。
6. The method for compensating for on-line glue amount according to claim 5, wherein the method comprisesCharacterized in that, in the step S3, according to the sum of Δ M and (M)1-M2) And (A-B) calculating a pressure regulating range of the electronic pressure regulating valve so that the feeding pressure of the dispensing valve is regulated by the electronic pressure regulating valve to realize compensation of the dispensing amount of the dispensing valve, and then returning to the step S2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811087804.4A CN110899050A (en) | 2018-09-18 | 2018-09-18 | Online glue amount compensation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811087804.4A CN110899050A (en) | 2018-09-18 | 2018-09-18 | Online glue amount compensation method |
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| CN110899050A true CN110899050A (en) | 2020-03-24 |
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| CN201811087804.4A Pending CN110899050A (en) | 2018-09-18 | 2018-09-18 | Online glue amount compensation method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113731750A (en) * | 2021-07-29 | 2021-12-03 | 深圳市世宗自动化设备有限公司 | Screw dispensing compensation method and device, computer equipment and storage medium thereof |
| CN114405761A (en) * | 2022-01-27 | 2022-04-29 | 厦门特盈自动化科技有限公司 | Automatic dispensing control method, device and equipment of dispenser |
| CN114669442A (en) * | 2022-03-18 | 2022-06-28 | 中国兵器装备集团自动化研究所有限公司 | Large-specific-gravity glue solution dispensing device based on driving air pressure compensation and control method |
| CN114700226A (en) * | 2022-04-14 | 2022-07-05 | 苏州希盟科技股份有限公司 | Dispensing valve detection compensation system, dispensing machine and dispensing valve detection compensation method |
| CN115990568A (en) * | 2022-11-29 | 2023-04-21 | 歌尔股份有限公司 | Glue spraying control method, device, equipment and storage medium |
| CN117380486A (en) * | 2023-12-04 | 2024-01-12 | 常州铭赛机器人科技股份有限公司 | Automatic calibration method, equipment and medium for glue dispensing valve glue amount |
| CN115990568B (en) * | 2022-11-29 | 2024-07-30 | 歌尔股份有限公司 | Glue spraying control method, device, equipment and storage medium |
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| FR2263040A1 (en) * | 1974-03-08 | 1975-10-03 | Usm Corp | |
| CN201415178Y (en) * | 2009-06-15 | 2010-03-03 | 王弋 | Closed loop control automatic amount-stabilized glue supply device |
| CN102266835A (en) * | 2011-06-23 | 2011-12-07 | 深圳市轴心自控技术有限公司 | Spraying valve |
| US20140252118A1 (en) * | 2013-03-05 | 2014-09-11 | Genesis Photonics Inc. | Spray coating apparatus |
| CN108380444A (en) * | 2018-01-20 | 2018-08-10 | 深圳市艾邦机电设备有限公司 | A kind of adhesive injection device and glue-pouring method |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2263040A1 (en) * | 1974-03-08 | 1975-10-03 | Usm Corp | |
| CN201415178Y (en) * | 2009-06-15 | 2010-03-03 | 王弋 | Closed loop control automatic amount-stabilized glue supply device |
| CN102266835A (en) * | 2011-06-23 | 2011-12-07 | 深圳市轴心自控技术有限公司 | Spraying valve |
| US20140252118A1 (en) * | 2013-03-05 | 2014-09-11 | Genesis Photonics Inc. | Spray coating apparatus |
| CN108380444A (en) * | 2018-01-20 | 2018-08-10 | 深圳市艾邦机电设备有限公司 | A kind of adhesive injection device and glue-pouring method |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113731750A (en) * | 2021-07-29 | 2021-12-03 | 深圳市世宗自动化设备有限公司 | Screw dispensing compensation method and device, computer equipment and storage medium thereof |
| CN114405761A (en) * | 2022-01-27 | 2022-04-29 | 厦门特盈自动化科技有限公司 | Automatic dispensing control method, device and equipment of dispenser |
| CN114669442A (en) * | 2022-03-18 | 2022-06-28 | 中国兵器装备集团自动化研究所有限公司 | Large-specific-gravity glue solution dispensing device based on driving air pressure compensation and control method |
| CN114700226A (en) * | 2022-04-14 | 2022-07-05 | 苏州希盟科技股份有限公司 | Dispensing valve detection compensation system, dispensing machine and dispensing valve detection compensation method |
| CN115990568A (en) * | 2022-11-29 | 2023-04-21 | 歌尔股份有限公司 | Glue spraying control method, device, equipment and storage medium |
| CN115990568B (en) * | 2022-11-29 | 2024-07-30 | 歌尔股份有限公司 | Glue spraying control method, device, equipment and storage medium |
| CN117380486A (en) * | 2023-12-04 | 2024-01-12 | 常州铭赛机器人科技股份有限公司 | Automatic calibration method, equipment and medium for glue dispensing valve glue amount |
| CN117380486B (en) * | 2023-12-04 | 2024-03-12 | 常州铭赛机器人科技股份有限公司 | Automatic calibration method, equipment and medium for glue dispensing valve glue amount |
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Application publication date: 20200324 |