CN202933819U - Feeding and coating device capable of monitoring coating quantity on line - Google Patents
Feeding and coating device capable of monitoring coating quantity on line Download PDFInfo
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- CN202933819U CN202933819U CN 201220610504 CN201220610504U CN202933819U CN 202933819 U CN202933819 U CN 202933819U CN 201220610504 CN201220610504 CN 201220610504 CN 201220610504 U CN201220610504 U CN 201220610504U CN 202933819 U CN202933819 U CN 202933819U
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Abstract
The utility model discloses a feeding and coating device capable of monitoring the coating quantity on line. The feeding and coating device comprises a paint storage container, a material tank, a coating mechanism, a weight sensor, a control device and a display device, and is characterized in that a cavity body of the paint storage container is communicated with that of the material tank through a feeding pipe; the coating mechanism is arranged above the material tank; the weight sensor is arranged below the paint storage container and connected with the corresponding input end of the control device; an overflow hole is formed in the side wall of the material tank; the overflow hole is communicated with the cavity body of the paint storage container through a return pipe; and the display device is connected with the corresponding output end of the control device. The feeding and coating device can be used for monitoring the coating quantity on line in real time when laser holography material production equipment is used for normal production, is high in working efficiency, can timely and accurately obtain coating quantity data, and is convenient for an operator to timely discover the coating quantity exception situation and take corresponding measures for reducing the rejection rate.
Description
Technical field
The utility model relates to the laser hologram material processing plant, but is specifically related to a kind of charging coating cloth apparatus of on-line monitoring coating weight, is used at laser hologram material manufacture process coating composition and coating weight is carried out on-line real time monitoring.
Background technology
Adopt the laser hologram material of holographic laser technology manufacturing to be applied more widely, as being used as anti-fake material.The manufacturing process of most laser hologram material comprises batching, coating, mold pressing, aluminizes, compound, peel off, cut, the operation such as rewinding.Wherein painting process is the critical process in laser hologram material manufacturing process, and the size of coating weight and uniformity thereof are the key factors that affects laser hologram material monolithic quality.
In the laser hologram material production equipment, the charging coating cloth apparatus is completed painting process.The charging coating cloth apparatus generally includes coating reservoir vessel, hopper and coating mechanism, the cavity of coating reservoir vessel is communicated with the cavity of hopper by feeder sleeve, coating mechanism is located at above hopper, coating in the coating reservoir vessel is transported in hopper through feeder sleeve and (usually is provided with pump on feeder sleeve, utilize pump that the coating in the coating reservoir vessel is drawn in hopper), coating mechanism obtains coating and coating is coated on base material from hopper, form dope layer on base material.
commonly used coating mechanism and coating method mainly contain following two kinds: a kind of is that coating mechanism comprises anilox roll and scraper, and anilox roll partly immerses in coating in hopper, and the coating in hopper is transferred on base material (as plastic sheeting) through anilox roll, another kind of three roll-coater structures, comprise anilox roll (or coating smooth roll), doctor roll and pressure roller, pressure roller and doctor roll pressing, anilox roll (or coating smooth roll) partly immerses in the coating in hopper, anilox roll (or coating smooth roll) pigment transfer to doctor roll, anilox roll (or coating smooth roll) adopts different speed drive from doctor roll, by the applied coating of the speed difference between two rollers, and control coating weight by the pressure between two rollers, base material moves between pressure roller and doctor roll, under the effect of pressure roller, doctor roll arrives pigment transfer on base material (as plastic sheeting).In above-mentioned the first coating method, the control of coating weight is to realize by the distance of regulating between scraper and anilox roll surface, in the second coating method, the control of coating weight realizes by regulating roll gap pressure, these governing factors all have no idea to quantize, and regulate control by operating personnel's experience.
At present, generally adopt dry-coated amount method to detect the size of coating weight in this area, exactly after the dry paint layer that is coated with, take out the sample of certain area, and measure the weight difference between the base material of this sample and area equally, then be converted into the size of coating weight.Yet; when adopting above-mentioned dry-coated amount method; all to wait the laser hologram material production equipment to complete during each the detection to shut down to take a sample after normal production and detect; can not Real-Time Monitoring, inefficiency, and operating personnel can't in time obtain the coating weight related data; just find the inaccurate situation of coating weight when often occurring to the back operation; but produced a lot of products this moment, so that percent defective is higher, increases production cost.And; often can't guarantee during actual production that the base material each several part is all uniformity; in institute's sample thief, the weight of base material part just is substantially equal to the base material of the same area that contrasts; therefore in above-mentioned dry-coated amount method; the weight of base material part in institute's sample thief can only be probably learnt, coating weight can only be probably measured on this basis.In addition, in coating process, coating weight often has fluctuation, and limited sampling Detection can't reflect the fluctuation situation of coating weight.
Summary of the invention
But technical problem to be solved in the utility model is to provide a kind of charging coating cloth apparatus of on-line monitoring coating weight, this charging coating cloth apparatus is except can be coating composition on base material, can also carry out Real-Time Monitoring to coating weight online, obtain in time, exactly the coating weight data.The technical scheme that adopts is as follows:
But a kind of charging coating cloth apparatus of on-line monitoring coating weight, comprise coating reservoir vessel, hopper and coating mechanism, the cavity of coating reservoir vessel is communicated with the cavity of hopper by feeder sleeve, coating mechanism is located at above hopper, it is characterized in that: described charging coating cloth apparatus also comprises weight sensor and control device, weight sensor is located at below the coating reservoir vessel, and weight sensor is connected with the corresponding input of control device; The sidewall of hopper is provided with overfall, and overfall is communicated with by the cavity of return duct with the coating reservoir vessel.
Coating in the coating reservoir vessel is transported in hopper through feeder sleeve, and coating mechanism obtains coating and coating is coated on base material from hopper, form dope layer on base material.Coating in the coating reservoir vessel is after feeder sleeve is transported in hopper, and the overfall of coating through being located at the hopper sidewall unnecessary in hopper overflows, and is back in the coating reservoir vessel, makes the liquid level of coating in hopper keep stable; Weight sensor detects the weight of coating reservoir vessel, and sends the coating reservoir vessel gravimetric value that detects to control device; Control device calculates coating weight according to interval detection time, base material gait of march and the coating width of coating reservoir vessel gravimetric value, weight sensor, thereby realizes online coating weight being carried out Real-Time Monitoring.The weight of the above-mentioned coating reservoir vessel that is detected by weight sensor is the summation of the weight of coating in the weight of coating reservoir vessel itself and coating reservoir vessel.
The concrete grammar that calculates coating weight is as follows: the adjacent coating reservoir vessel gravimetric value that detects for twice of supposition weight sensor is respectively G1 and G2, the moment of this twice detection is respectively T1 and T2, the base material gait of march is V, coating width is W, be spaced apart the detection time of weight sensor (T2-T1), the coating weight in the time period between moment T1 to T2 is calculated by following formula: and the ÷ of coating weight=(G1-G2) (W * V * (T2-T1)).That is to say, coating weight in time period between moment T1 to T2 (being the weight of the dope layer that is coated with on the unit are base material) equals coating consumption in this time period divided by the spreading area in this time period, wherein the coating consumption is the poor of G1 and G2, and spreading area is coating width W, base material gait of march V and interval detection time (T2-T1) three's product.By the coating weight that said method calculates, it is the average coating weight in the time period between moment T1 to T2.
Weight sensor is pressed the weight of interval detection of a certain regular time coating reservoir vessel usually, during the operation of laser hologram material production equipment, base material gait of march and coating width are also fixed usually, therefore can be in control device interval detection time, base material gait of march and the isoparametric numerical value of coating width of setting weight sensor, only need when calculating coating weight the adjacent above-mentioned coating weight computing formula of coating reservoir vessel gravimetric value substitution that detects for twice of weight sensor is calculated and get final product.Interval detection time of weight sensor is shorter, and the coating weight that monitors is more accurate.
The coating weight that calculates by above-mentioned formula is the wet coating amount, can be more further calculates dry-coated amount according to the solid content of coating.
Preferred described charging coating cloth apparatus also comprises display unit, and display unit is connected with the corresponding output of control device.Control device can be according to the coating weight in each time period that calculates size (namely according to the coating weight that calculates and time corresponding relation), curve plotting or making chart, show by display unit, so that operating personnel see size and the situation of change thereof of coating weight in real time.
Preferred above-mentioned feeder sleeve is provided with pump, utilizes pump that the coating in the coating reservoir vessel is drawn in hopper.In coating process, usually make the coating content that is drawn in hopper be slightly more than the coating content that same time coating mechanism obtains from hopper, can keep stable with the liquid level of guaranteeing coating in hopper.The speed that extracts coating from the coating reservoir vessel should keep even as far as possible.
In preferred version, feeder sleeve, return duct all insert in the cavity of coating reservoir vessel, between feeder sleeve and coating reservoir vessel, do not interconnect between return duct and coating reservoir vessel, have influence on the accurate detection of coating reservoir vessel weight to avoid feeder sleeve, return duct.In other schemes, feeder sleeve, return duct also can adopt flexible pipe, and feeder sleeve, return duct can be connected with the coating reservoir vessel in this case.
In a kind of concrete scheme, above-mentioned coating mechanism comprises anilox roll and scraper, and anilox roll partly immerses in coating in hopper, and the coating in hopper is transferred on base material (as plastic sheeting) through anilox roll.in another kind of concrete scheme, coating mechanism is three roll-coater structures, comprise anilox roll (or coating smooth roll), doctor roll and pressure roller, pressure roller and doctor roll pressing, anilox roll (or coating smooth roll) partly immerses in the coating in hopper, anilox roll (or coating smooth roll) pigment transfer to doctor roll, anilox roll (or coating smooth roll) adopts different speed drive from doctor roll, by the applied coating of the speed difference between two rollers, and control coating weight by the pressure between two rollers, base material moves between pressure roller and doctor roll, under the effect of pressure roller, doctor roll arrives pigment transfer on base material (as plastic sheeting) again.
The utility model can be when the laser hologram material production equipment be normally produced, online coating weight is carried out Real-Time Monitoring, high efficiency, can obtain in time, exactly the coating weight data, help operating personnel in time find the coating weight abnormal conditions and take corresponding measure, the rate of reducing the number of rejects and seconds.The utility model only needs to detect for coating weight, be not subjected to the impact of base material, thereby measured coating weight more can truly reflect actual coating weight.In addition, the utility model can also reflect the fluctuation situation of coating weight.
The utility model on can be applicable to the laser hologram material production equipment, also can be applicable to other need to be at the machinery of base material (as plastic sheeting, paper etc.) coating liquid or other fluid, as adhesive tape maker tool, paraffin paper paper machinery etc.
Description of drawings
Fig. 1 is the structural representation of the utility model preferred embodiment.
The specific embodiment
As shown in Figure 1, but the charging coating cloth apparatus of this on-line monitoring coating weight comprises coating reservoir vessel 1, hopper 2, coating mechanism 3, weight sensor 4, control device 5 and display unit 6.
The cavity of coating reservoir vessel 1 is communicated with the cavity of hopper 2 by feeder sleeve 7, and feeder sleeve 7 is provided with pump 8, utilizes pump 8 that the coating 9 in coating reservoir vessel 1 is drawn in hopper 2; The sidewall of hopper 2 is provided with overfall 10, and overfall 10 is communicated with the cavity of coating reservoir vessel 1 by return duct 11.Feeder sleeve 7, return duct 11 all insert in the cavity of coating reservoir vessel 1, between feeder sleeve 7 and coating reservoir vessel 1, do not interconnect between return duct 11 and coating reservoir vessel 1.
Weight sensor 4 is located at coating reservoir vessel 1 below, and weight sensor 4 is connected with the corresponding input of control device 5; Display unit 6 is connected with the corresponding output of control device 5.
Coating mechanism 3 is located at hopper 2 tops.In the present embodiment, coating mechanism 3 comprises anilox roll 31 and scraper 32, and in the coating 9 in anilox roll 31 parts immersion hoppers 2, the coating 9 in hopper 2 is transferred to base material 12(such as plastic sheeting through anilox roll 31) on.
Brief description is the operation principle of this charging coating cloth apparatus once:
Coating 9 in coating reservoir vessel 1 is transported in hopper 2 through feeder sleeve 7, and coating mechanism 3 obtains coating 9 and coating is coated on base material 12 from hopper 2, form dope layer on base material 12.Coating 9 in coating reservoir vessel 1 is after feeder sleeve 7 is transported in hopper 2, and the overfall 10 of coating through being located at hopper 2 sidewalls unnecessary in hopper 2 overflows, and is back in coating reservoir vessel 1 through return duct 11, makes the liquid level of coating 9 in hopper 2 keep stable.In coating process, usually make the coating content that is drawn in hopper 2 be slightly more than the coating content that same time coating mechanism 3 obtains from hopper 2, the speed that extracts coating from coating reservoir vessel 1 should keep even as far as possible.
Weight sensor 4 detects the weight (this weight is the summation of the weight of coating 9 in the weight of coating reservoir vessel 1 own and coating reservoir vessel 1) of coating reservoir vessel 1, and sends the coating reservoir vessel gravimetric value that detects to control device 5; Control device 5 calculates coating weight according to interval detection time of coating reservoir vessel gravimetric value, weight sensor 4, gait of march and the coating width of base material 12, thereby realizes online coating weight being carried out Real-Time Monitoring.
The concrete grammar that calculates coating weight is as follows: the adjacent coating reservoir vessel gravimetric value that detects for twice of supposition weight sensor 4 is respectively G1 and G2, the moment of this twice detection is respectively T1 and T2, the base material gait of march is V, coating width is W, be spaced apart the detection time of weight sensor 4 (T2-T1), the coating weight in the time period between moment T1 to T2 is calculated by following formula: and the ÷ of coating weight=(G1-G2) (W * V * (T2-T1)).That is to say, coating weight in time period between moment T1 to T2 (being the weight of the dope layer that is coated with on the unit are base material) equals coating consumption in this time period divided by the spreading area in this time period, wherein the coating consumption is the poor of G1 and G2, and spreading area is coating width W, base material gait of march V and interval detection time (T2-T1) three's product.By the coating weight that said method calculates, it is the average coating weight in the time period between moment T1 to T2.
In practical application, weight sensor 4 is by the weight of interval detection of a certain regular time coating reservoir vessel 1, during the operation of laser hologram material production equipment, gait of march and the coating width of base material 12 are also fixed, therefore can be in control device 5 interval detection time (T2-T1), base material gait of march V and the isoparametric numerical value of coating width W of setting weight sensor 4, only need when calculating coating weight the adjacent above-mentioned coating weight computing formula of coating reservoir vessel gravimetric value substitution that detects for twice of weight sensor 4 is calculated and get final product.
The coating weight that calculates by above-mentioned formula is the wet coating amount, can be more further calculates dry-coated amount according to the solid content of coating.
in other embodiments, also can adopt other existing coating mechanisms, for example, coating mechanism is three roll-coater structures, comprise anilox roll (or coating smooth roll), doctor roll and pressure roller, pressure roller and doctor roll pressing, anilox roll (or coating smooth roll) partly immerses in the coating in hopper, anilox roll (or coating smooth roll) pigment transfer to doctor roll, anilox roll (or coating smooth roll) adopts different speed drive from doctor roll, by the applied coating of the speed difference between two rollers, and control coating weight by the pressure between two rollers, base material moves between pressure roller and doctor roll, under the effect of pressure roller, doctor roll arrives pigment transfer on base material (as plastic sheeting) again.
Claims (3)
1. but the charging coating cloth apparatus of an on-line monitoring coating weight, comprise coating reservoir vessel, hopper and coating mechanism, the cavity of coating reservoir vessel is communicated with the cavity of hopper by feeder sleeve, coating mechanism is located at above hopper, it is characterized in that: described charging coating cloth apparatus also comprises weight sensor and control device, weight sensor is located at below the coating reservoir vessel, and weight sensor is connected with the corresponding input of control device; The sidewall of hopper is provided with overfall, and overfall is communicated with by the cavity of return duct with the coating reservoir vessel.
2. charging coating cloth apparatus according to claim 1, it is characterized in that: described charging coating cloth apparatus also comprises display unit, display unit is connected with the corresponding output of control device.
3. charging coating cloth apparatus according to claim 1 and 2, it is characterized in that: described feeder sleeve is provided with pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220610504 CN202933819U (en) | 2012-11-17 | 2012-11-17 | Feeding and coating device capable of monitoring coating quantity on line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220610504 CN202933819U (en) | 2012-11-17 | 2012-11-17 | Feeding and coating device capable of monitoring coating quantity on line |
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| Publication Number | Publication Date |
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| CN202933819U true CN202933819U (en) | 2013-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220610504 Expired - Lifetime CN202933819U (en) | 2012-11-17 | 2012-11-17 | Feeding and coating device capable of monitoring coating quantity on line |
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| CN (1) | CN202933819U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106269414A (en) * | 2016-10-26 | 2017-01-04 | 江苏康友医用器械有限公司 | Medical needle silication liquid-immersion device |
-
2012
- 2012-11-17 CN CN 201220610504 patent/CN202933819U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106269414A (en) * | 2016-10-26 | 2017-01-04 | 江苏康友医用器械有限公司 | Medical needle silication liquid-immersion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SHANTOU XINRUI NEW MATERIAL TECHNOLOGY CO., LTD. Free format text: FORMER NAME: SHANTOU XINRUI PAPER ARTICLES CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 515064, B04 block, South Block and B05 unit of Nanshan Industry Park, Guangdong, Shantou Patentee after: GUANGDONG XINRUI NEW MATERIAL TECHNOLOGY Co.,Ltd. Address before: 515064 Guangdong city of Shantou province Chaoshan road Jinyuan Industrial Zone Patentee before: SHANTOU XINRUI PAPER Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130515 |