CN103884687B - The detection method of filter-stick forming device PUR quantity for spray and device - Google Patents
The detection method of filter-stick forming device PUR quantity for spray and device Download PDFInfo
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- CN103884687B CN103884687B CN201410118948.7A CN201410118948A CN103884687B CN 103884687 B CN103884687 B CN 103884687B CN 201410118948 A CN201410118948 A CN 201410118948A CN 103884687 B CN103884687 B CN 103884687B
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Abstract
The embodiment of the invention discloses detection method and the device of a kind of filter-stick forming device PUR quantity for spray, wherein, method includes: at PUR binder spray during a filter stick formation paper spraying hot-melt adhesive, the photoelectric detector each PUR spraying point on this filter stick formation paper is launched the detection light of preset strength and receives the reflection light of this detection light, obtains the Strength Changes value between each PUR spraying upper detection light of point and reflection light；Photoelectric detector, according to the Strength Changes value between each PUR spraying point above detection light and reflection light, generates and represents that on described filter stick formation paper, all PURs spray the analog signal of the Strength Changes value between point upper detection light and reflection light and are sent to controller；According to the relation between the analog signal received and predetermined threshold value, controller judges whether PUR quantity for spray meets production requirement；When PUR quantity for spray is unsatisfactory for production requirement, output alarm signal.The embodiment of the present invention can realize the effective monitoring to PUR quantity for spray.
Description
Technical field
The present invention relates to detection technique, the detection of a kind of filter-stick forming device PUR quantity for spray
Method and device.
Background technology
The filter stick formation equipment that domestic tobacco business is conventional has KDF2, KDF3, KDF4 fiber
Filter-stick forming device, wherein KDF4 filter-stick forming device is that person of outstanding talent Buddhist nun (HAUNI) company of Germany produces
High-speed filter-stick forming device.
During the filter stick formation of tobacco business, the tow of shredding is wrapped up by filter stick formation paper
Coming, filter stick formation paper is taken mouth and is bonded by being coated in the PUR on its surface.To filter stick formation paper gluing
Process as it is shown in figure 1, use centre-line glue binder spray 102 to filter stick formation paper 104 glue spraying, so
Afterwards by PUR binder spray 101 to filter stick formation paper 104 spraying hot-melt adhesive, utilize heating plate
It is made to converge with tow again after 103 pairs of filter stick formation paper 104 heating.
During realizing the present invention, inventor finds at least to exist in prior art following asking
Topic:
Owing to the PUR in PUR binder spray solidifies, hot-melt adhesive glue exists graininess miscellaneous
Thing, can cause PUR shower nozzle to block；Owing to PUR binder spray is to utilize pressure-air by hot melt
Glue is ejected in forming paper, it may occur that air pressure shakiness, airway blockage or tracheal rupture etc. are asked
Topic.This all can cause the quantity for spray deficiency of PUR binder spray or stop spraying, causes filter stick formation
Paper bond effect is the best and the phenomenons such as quick-fried rod occur so that tow cannot be packed to filter stick, causes
The waste of material.Additionally, the skew of PUR position may result in filter stick and takes mouth position on forming paper
Put skew, affect filter stick and take a mouthful effect, easily occur quick-fried rod phenomenon, i.e. filter stick formation paper to take at mouth quick-fried
Open, affect filter stick pressure drop.
Summary of the invention
The embodiment of the present invention to be solved one of them technical problem is that: a kind of filter stick formation is provided
The detection method of machine PUR quantity for spray and device, it is achieved the effective monitoring to PUR quantity for spray,
To solve the PUR spraying Problem of Failure caused due to PUR spraying blocking etc..
The detection method of a kind of filter-stick forming device PUR quantity for spray that the embodiment of the present invention provides, bag
Include:
At PUR binder spray during a filter stick formation paper spraying hot-melt adhesive, Photoelectric Detection
Detection light the reception of the device each PUR spraying point transmitting preset strength on this filter stick formation paper should
The reflection light of detection light, the intensity obtained between each PUR spraying upper detection light of point and reflection light becomes
Change value；
Photoelectric detector is according to the Strength Changes between each PUR spraying upper detection light of point and reflection light
Value, generate represent on described filter stick formation paper all PURs spraying point upper detection light and reflection light it
Between the analog signal of Strength Changes value and be sent to controller；Wherein, detection light with reflection light it
Between Strength Changes value the biggest, the value of corresponding analog signal is the biggest；
Controller judges hot melt according to the relation between value and the predetermined threshold value of the analog signal received
Whether glue quantity for spray meets production requirement；
When PUR quantity for spray is unsatisfactory for production requirement, described controller output alarm signal.
In another embodiment of the detection method of the present invention above-mentioned filter-stick forming device PUR quantity for spray,
Described judge whether PUR quantity for spray meets production requirement and include:
The relatively magnitude relationship between value and the predetermined threshold value of analog signal, if analog signal is all
Value is all higher than or equal to predetermined threshold value, then PUR quantity for spray meets generation requirement；
Otherwise, if having the value of analog signal less than predetermined threshold value, then PUR quantity for spray is unsatisfactory for raw
Become requirement.
In another embodiment of the detection method of the present invention above-mentioned filter-stick forming device PUR quantity for spray,
Also include:
Photoelectric detector, becomes to filter stick at PUR binder spray before filter stick formation paper spraying hot-melt adhesive
Type paper is launched the detection light of preset strength and judges whether to receive the reflection light of this detection light, and to
Controller sends the data signal indicating whether to receive reflection light；
According to the data signal received, described controller judges whether filter stick formation paper exists and filter
Whether the position of rod forming paper offsets.
In another embodiment of the detection method of the present invention above-mentioned filter-stick forming device PUR quantity for spray,
According to the data signal received, described controller judges whether filter stick formation paper exists and filter stick becomes
Whether the position of type paper offsets includes:
If described data signal for preset the first data signal, then judge filter stick formation paper do not exist or
The position skew of filter stick formation paper, controller output alarm signal；
If described data signal is for presetting the second data signal, then judge that filter stick formation paper exists and filter
The position of rod forming paper does not offsets, and controller controls to perform described photoelectric detector to this filter stick formation
Each PUR spraying point on paper is launched the detection light of preset strength and receives the reflection light of this detection light
Operation.
In another embodiment of the detection method of the present invention above-mentioned filter-stick forming device PUR quantity for spray,
Also include: when PUR quantity for spray is unsatisfactory for production requirement, described controller is to filter-stick forming device
Send control signal, quit work controlling filter-stick forming device.
The detection device of a kind of filter-stick forming device PUR quantity for spray that the embodiment of the present invention provides, bag
Include photoelectric detector and the controller being connected with described photoelectric detector, wherein:
Described photoelectric detector at PUR binder spray to the mistake of a filter stick formation paper spraying hot-melt adhesive
Cheng Zhong, each PUR spraying point on this filter stick formation paper is launched the detection light of preset strength and connects
Receiving the reflection light of this detection light, obtain between each PUR spraying point upper detection light and reflection light is strong
Degree changing value；And according to the Strength Changes between each PUR spraying upper detection light of point and reflection light
Value, generate represent on described filter stick formation paper all PURs spraying point upper detection light and reflection light it
Between the analog signal of Strength Changes value and be sent to controller；Wherein, detection light with reflection light it
Between Strength Changes value the biggest, the value of corresponding analog signal is the biggest；
Described controller judges according to the relation between value and the predetermined threshold value of the analog signal received
Whether PUR quantity for spray meets production requirement；And it is unsatisfactory for production requirement at PUR quantity for spray
Time, output alarm signal.
In another embodiment of the detection device of the present invention above-mentioned filter-stick forming device PUR quantity for spray,
Described photoelectric detector includes the first transmitter unit, the first reception unit, launches list with first respectively
Unit and first receives the life that the first acquiring unit of unit connection is connected with described first acquiring unit
Become unit and the transmitting element being connected with described signal generating unit, wherein:
Described first transmitter unit at PUR binder spray to a filter stick formation paper spraying hot-melt adhesive
During, each PUR spraying point on this filter stick formation paper launches the detection light of preset strength；
Described first receives unit receives each PUR spraying upper reflection light detecting light of point；Described first obtains
Take unit and obtain the Strength Changes value between each PUR spraying upper detection light of point and reflection light；Described
Signal generating unit is according to the Strength Changes value between each PUR spraying upper detection light of point and reflection light, raw
Become represent on described filter stick formation paper between all PURs spraying point upper detection light and reflection light strong
The analog signal of degree changing value；Described analog signal is sent to described control by described transmitting element
Device；
Described controller includes the second reception unit and described second being connected with described transmitting element
Receive the comparing unit that unit connects and the first judging unit being connected with described comparing unit,
Wherein:
Described second receives unit receives the analog signal that described transmitting element sends；Described the most single
Unit compares the magnitude relationship between the value of analog signal and predetermined threshold value；Described first judging unit exists
The all values of analog signal is all higher than or is equal to during predetermined threshold value judging that PUR quantity for spray meets and generates
Requirement, and judge that PUR quantity for spray is unsatisfactory for when the value having analog signal is less than predetermined threshold value
Generate requirement.
In another embodiment of the detection device of the present invention above-mentioned filter-stick forming device PUR quantity for spray,
Described photoelectric detector also includes the second transmitter unit and is connected with described second transmitter unit
3rd receives unit, wherein:
Described second transmitter unit at PUR binder spray before filter stick formation paper spraying hot-melt adhesive, to
The detection light of preset strength launched by filter stick formation paper；Described 3rd receives whether unit judges receives
The reflection light of the detection light that described second transmitter unit is launched；
Described transmitting element also sends to controller and indicates whether that receiving described second transmitter unit sends out
The data signal of the reflection light penetrated；
Described controller always according to the data signal received judge filter stick formation paper whether exist and
Whether the position of filter stick formation paper offsets.
In another embodiment of the detection device of the present invention above-mentioned filter-stick forming device PUR quantity for spray,
Described second receives unit also receives described data signal；
Described controller also include receiving with described second the second judging unit of being connected of unit and
The output unit being connected with described second judging unit and the first control unit, wherein:
Described second judging unit judges filter stick when described data signal is for presetting the first data signal
Forming paper does not exists or the position skew of filter stick formation paper, and in described data signal for presetting the
Judge during two digital signal that filter stick formation paper exists and the position of filter stick formation paper does not offsets；Described defeated
Go out unit filter stick formation paper do not exist or filter stick formation paper position skew time output alarm signal；
Described first control unit is not when the position of the existence of filter stick formation paper and filter stick formation paper offsets
Control described first transmitter unit each PUR spraying point on this filter stick formation paper and launch default strong
The detection light spent the reflection light receiving this detection light.
In another embodiment of the detection device of the present invention above-mentioned filter-stick forming device PUR quantity for spray,
Described controller also includes the second control unit being connected with described first judging unit, described second
Control unit sends to filter-stick forming device when PUR quantity for spray is unsatisfactory for production requirement and controls letter
Number, quit work controlling filter-stick forming device.
Detection method based on the filter-stick forming device PUR quantity for spray that the above embodiment of the present invention provides
And device, at PUR binder spray during a filter stick formation paper spraying hot-melt adhesive, photoelectricity
The detector each PUR spraying point on this filter stick formation paper is launched the detection light of preset strength and connects
Receiving the reflection light of this detection light, obtain between each PUR spraying point upper detection light and reflection light is strong
Degree changing value；Strong according between each PUR spraying point upper detection light and reflection light of photoelectric detector
Degree changing value, generates and represents all PURs spraying point upper detection light and reflection light on filter stick formation paper
Between the analog signal of Strength Changes value and be sent to controller；Controller is according to the mould received
Intend the relation between value and the predetermined threshold value of signal and judge whether PUR quantity for spray meets production and want
Ask；When PUR quantity for spray is unsatisfactory for production requirement, controller output alarm signal.With existing
Technology is compared, and the present invention can realize the effective monitoring to PUR quantity for spray, in order at PUR
When quantity for spray is abnormal and alarm, it is to avoid owing to the quantity for spray of PUR binder spray is not enough or stops
The quick-fried rod phenomenon that the filter stick formation paper bond effect that spraying causes is the best and occurs.
Below by drawings and Examples, technical scheme is done and further retouches in detail
State.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it is clear that
Ground, the accompanying drawing in describing below is only some embodiments of the present invention, skill common for this area
From the point of view of art personnel, on the premise of not paying creative work, it is also possible to obtain according to these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the schematic diagram of filter stick formation paper gluing principle in prior art；
Fig. 2 is the stream of one embodiment of detection method of filter-stick forming device PUR quantity for spray of the present invention
Cheng Tu；
Fig. 3 is Photoelectric Detection in the detection method embodiment that filter-stick forming device PUR of the present invention sprays
Schematic diagram during device detection；
Fig. 4 is the schematic diagram during detection of photoelectric detector shown in Fig. 3；
Fig. 5 is another embodiment of detection method of filter-stick forming device PUR quantity for spray of the present invention
Flow chart；
Fig. 6 is the knot of detection one embodiment of device of filter-stick forming device PUR quantity for spray of the present invention
Structure schematic diagram；
Fig. 7 is detection another embodiment of device of filter-stick forming device PUR quantity for spray of the present invention
Structural representation；
Fig. 8 is detection another embodiment of device of filter-stick forming device PUR quantity for spray of the present invention
Structural representation；
Fig. 9 is detection another embodiment of device of filter-stick forming device PUR quantity for spray of the present invention
Structural representation.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical scheme in the embodiment of the present invention
It is clearly and completely described, it is clear that described embodiment is only that a part of the present invention is real
Execute example rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under not making creative work premise, broadly falls into this
The scope of invention protection.
Fig. 2 is the stream of one embodiment of detection method of filter-stick forming device PUR quantity for spray of the present invention
Cheng Tu.As in figure 2 it is shown, the detection method of the filter-stick forming device PUR quantity for spray of this embodiment,
Specifically include:
Step 201, at PUR binder spray to the process of a filter stick formation paper spraying hot-melt adhesive
In, the photoelectric detector each PUR spraying point on this filter stick formation paper launches the inspection of preset strength
Light-metering also receives the reflection light of this detection light, obtains each PUR spraying point upper detection light and reflection light
Between Strength Changes value；
Step 202, photoelectric detector is according between each PUR spraying upper detection light of point and reflection light
Strength Changes value, generate represent on this filter stick formation paper all PURs spraying point upper detection light with
Reflect the analog signal of the Strength Changes value between light and be sent to controller；Wherein, detection light with
Strength Changes value between reflection light is the biggest, and the value of corresponding analog signal is the biggest；
Step 203, controller is according to the pass between value and the predetermined threshold value of the analog signal received
System judges whether PUR quantity for spray meets production requirement；
Step 204, when PUR quantity for spray is unsatisfactory for production requirement, controller output alarm signal
Number.
Specifically, in the present embodiment, photoelectric detector can be model be ULT-100-S-
The detector of HAUNI, controller can be model be Siemens's FPGA control of S7-200
Device processed (PLC).Fig. 3 is the detection method embodiment of filter-stick forming device PUR of the present invention spraying
The schematic diagram during detection of middle photoelectric detector.As it is shown on figure 3, photoelectric detector 301 can be installed
Above PUR binder spray 101, PUR binder spray 101 is to filter stick formation paper spraying hot-melt adhesive
After, each PUR glue spraying point of the alignment probe filter stick formation paper of photoelectric detector 301, launch pre-
If the detection light of intensity also receives the reflection light of this detection light.Fig. 4 is photoelectric detector shown in Fig. 3
Schematic diagram during detection.As shown in Figure 4, photoelectric detector 301 is according on each PUR spraying point
Strength Changes value between detection light and reflection light, generates and represents all PURs on filter stick formation paper
Spraying point above detects the analog signal of the Strength Changes value between light and reflection light and is sent to PLC.
When PUR quantity for spray is abnormal, such as, PUR is caused to spray due to the blocking of PUR shower nozzle
During interruption, PLC can judge the value of the analog signal that photoelectric detector 301 sends not up to
PLC predetermined threshold value, thus judge that PUR quantity for spray is abnormal and output alarm signal.
Detection side based on the filter-stick forming device PUR quantity for spray that the above embodiment of the present invention provides
Method, at PUR binder spray during a filter stick formation paper spraying hot-melt adhesive, Photoelectric Detection
Detection light the reception of the device each PUR spraying point transmitting preset strength on this filter stick formation paper should
The reflection light of detection light, the intensity obtained between each PUR spraying upper detection light of point and reflection light becomes
Change value；Photoelectric detector becomes according to the intensity between each PUR spraying upper detection light of point and reflection light
Change value, generates and represents that on filter stick formation paper, all PURs spray between point upper detection light and reflection light
The analog signal of Strength Changes value and be sent to controller；Controller is according to the simulation letter received
Number value and predetermined threshold value between relation judge whether PUR quantity for spray meets production requirement；?
When PUR quantity for spray is unsatisfactory for production requirement, controller output alarm signal.With prior art phase
Ratio, the present embodiment can realize the effective monitoring to PUR quantity for spray, in order to sprays at PUR
When measuring abnormal and alarm, it is to avoid owing to the quantity for spray of PUR binder spray is not enough or stops spraying
The quick-fried rod phenomenon that the filter stick formation paper bond effect caused is the best and occurs.
A concrete reality as the detection method of the present invention above-mentioned filter-stick forming device PUR quantity for spray
Executing example, the step 203 in flow process shown in Fig. 2 specifically can be accomplished by:
The relatively magnitude relationship between value and the predetermined threshold value of analog signal, if analog signal is all
Value is all higher than or equal to predetermined threshold value, then PUR quantity for spray meets generation requirement；
Otherwise, if having the value of analog signal less than predetermined threshold value, then PUR quantity for spray is unsatisfactory for raw
Become requirement.
Specifically, the value of analog signal changes along with the change of quantity for spray, when quantity for spray is big, and inspection
The reflection light of light-metering is little, thus it is big to detect the Strength Changes value between light and reflection light, correspondingly,
Represent the Strength Changes between the upper detection light of all PURs spraying point and reflection light on filter stick formation paper
The analog signal of value also can be big.Therefore, by comparing between the value of analog signal and predetermined threshold value
Magnitude relationship, the PUR spray of all PURs spraying point on the filter stick formation paper that can correctly judge
Painting amount is the most normal.
Fig. 5 is another reality of the detection method of the present invention above-mentioned filter-stick forming device PUR quantity for spray
Executing the flow chart of example, compared with embodiment illustrated in fig. 2, this embodiment also includes below scheme:
Step 401, photoelectric detector at PUR binder spray to filter stick formation paper spraying hot-melt adhesive
Before, launch the detection light of preset strength to filter stick formation paper and judge whether to receive this detection light
Reflection light, and the data signal indicating whether to receive reflection light is sent to controller；
Step 402, according to the data signal received, controller judges whether filter stick formation paper exists
And whether the position of filter stick formation paper offsets.
Further, as the detection method of the present invention above-mentioned filter-stick forming device PUR quantity for spray
One specific embodiment, referring back to Fig. 5, the step 402 in flow process shown in Fig. 5 specifically can be led to
Cross in the following manner to realize:
If data signal is for presetting the first data signal, for example, 1, then judge filter stick formation paper not
Exist or the position skew of filter stick formation paper, controller output alarm signal.Specifically, filter stick is worked as
When forming paper does not exists or filter stick formation paper position offsets, photoelectric detector can not receive detection
The reflection light of light, therefore would indicate that the first data signal not receiving reflection light is sent to controller,
Controller receives output alarm signal after the first data signal.
If data signal is for presetting the second data signal, for example, 0, then judge that filter stick formation paper is deposited
And the position of filter stick formation paper do not offset, controller controls to perform step 201.Specifically, when
When filter stick formation paper exists and filter stick formation paper position does not offsets, photoelectric detector can receive detection
The reflection light of light, therefore would indicate that the second data signal receiving reflection light is sent to controller, control
Device processed controls to perform step 201 after receiving the second data signal.
Should be understood that above-mentioned data signal 1 and 0 is merely exemplary ground, such as, the first numeral letter
Number can be preset as 0, the second data signal can be preset as 1.
Another enforcement as the detection method of the present invention above-mentioned filter-stick forming device PUR quantity for spray
Example, it is also possible to including: when PUR quantity for spray is unsatisfactory for production requirement, controller becomes to filter stick
Type machine sends control signal, quits work controlling filter-stick forming device.Correspondingly, can stop simultaneously
Only PUR binder spray continues spraying hot-melt adhesive.
In this specification, each embodiment all uses the mode gone forward one by one to describe, and each embodiment emphasis is said
Bright is all the difference with other embodiments, same or analogous part between each embodiment
Cross-reference.For system embodiment, owing to it is the most corresponding with embodiment of the method,
So describe is fairly simple, relevant part sees the part of embodiment of the method and illustrates.
Fig. 6 is the knot of detection one embodiment of device of filter-stick forming device PUR quantity for spray of the present invention
Structure schematic diagram, the detection device of the filter-stick forming device PUR quantity for spray that the present embodiment provides can be real
The detection method of existing above-mentioned filter-stick forming device PUR quantity for spray, as shown in Figure 6, it includes photoelectricity
Detector 301 and the controller 302 being connected with photoelectric detector 301, wherein:
Photoelectric detector 301 at PUR binder spray to the mistake of a filter stick formation paper spraying hot-melt adhesive
Cheng Zhong, each PUR spraying point on this filter stick formation paper is launched the detection light of preset strength and connects
Receiving the reflection light of this detection light, obtain between each PUR spraying point upper detection light and reflection light is strong
Degree changing value；And according to the Strength Changes between each PUR spraying upper detection light of point and reflection light
Value, generates and represents that on this filter stick formation paper, all PURs spray between point upper detection light and reflection light
The analog signal of Strength Changes value and be sent to controller；Wherein, between detection light and reflection light
Strength Changes value the biggest, the value of corresponding analog signal is the biggest；
Controller 302 judges according to the relation between value and the predetermined threshold value of the analog signal received
Whether PUR quantity for spray meets production requirement；And it is unsatisfactory for production requirement at PUR quantity for spray
Time, output alarm signal.
Exemplarily, in the present embodiment, photoelectric detector 301 can be model be ULT-
The detector of 100-S-HAUNI, controller 302 can be model be the Siemens of S7-200
PLC.Referring back to Fig. 3, photoelectric detector 301 may be mounted on PUR binder spray 101
Side, after PUR binder spray 101 is to filter stick formation paper spraying hot-melt adhesive, photoelectric detector 301
Each PUR glue spraying point of alignment probe filter stick formation paper, launches the detection light of preset strength and receives
The reflection light of this detection light.Referring back to Fig. 4, photoelectric detector 301 sprays point according to each PUR
Strength Changes value between upper detection light and reflection light, generates and represents all heat on this filter stick formation paper
Melten gel spraying point above detects the analog signal of the Strength Changes value between light and reflection light and is sent to
PLC.When PUR quantity for spray is abnormal, such as, hot melt is caused due to the blocking of PUR shower nozzle
When glue spraying is interrupted, PLC can judge that the value of the analog signal that photoelectric detector 301 sends does not reaches
To PLC predetermined threshold value, thus judge that PUR quantity for spray is abnormal and output alarm signal.
Detection dress based on the filter-stick forming device PUR quantity for spray that the above embodiment of the present invention provides
Put, at PUR binder spray during a filter stick formation paper spraying hot-melt adhesive, Photoelectric Detection
Detection light the reception of the device each PUR spraying point transmitting preset strength on this filter stick formation paper should
The reflection light of detection light, the intensity obtained between each PUR spraying upper detection light of point and reflection light becomes
Change value；Photoelectric detector becomes according to the intensity between each PUR spraying upper detection light of point and reflection light
Change value, generates and represents that on filter stick formation paper, all PURs spray between point upper detection light and reflection light
The analog signal of Strength Changes value and be sent to controller；Controller is according to the simulation letter received
Number value and predetermined threshold value between relation judge whether PUR quantity for spray meets production requirement；?
When PUR quantity for spray is unsatisfactory for production requirement, controller output alarm signal.With prior art phase
Ratio, the present embodiment can realize the effective monitoring to PUR quantity for spray, in order to sprays at PUR
When measuring abnormal and alarm, it is to avoid owing to the quantity for spray of PUR binder spray is not enough or stops spraying
The quick-fried rod phenomenon that the filter stick formation paper bond effect caused is the best and occurs.
Fig. 7 is another reality of the detection device of the present invention above-mentioned filter-stick forming device PUR quantity for spray
Execute example, in this embodiment, photoelectric detector 301 can include the first transmitter unit 311,
One receive unit 321, receive what unit 321 was connected with the first transmitter unit 311 and first respectively
Signal generating unit 341 that first acquiring unit 331 is connected with the first acquiring unit 331, Yi Jiyu
The transmitting element 351 that signal generating unit 341 connects, wherein:
First transmitter unit 311 at PUR binder spray to a filter stick formation paper spraying hot-melt adhesive
During, each PUR spraying point on this filter stick formation paper launches the detection light of preset strength；
First receives unit 321 receives each PUR spraying upper reflection light detecting light of point；First obtains list
Unit 331 obtains the Strength Changes value between each PUR spraying upper detection light of point and reflection light；Generate
Unit 341 is according to the Strength Changes value between each PUR spraying upper detection light of point and reflection light, raw
Become the intensity change representing that on filter stick formation paper, all PURs spray between point upper detection light and reflection light
The analog signal of change value；Analog signal is sent to controller 302 by transmitting element 351.
Correspondingly, the controller 302 in this embodiment can include being connected with transmitting element 351
Second receives unit 312 receives comparing unit 322, the Yi Jiyu that unit 312 is connected with second
The first judging unit 332 that comparing unit 322 connects, wherein:
Second receives unit 312 receives the analog signal that transmitting element 351 sends；Comparing unit
322 compare the magnitude relationship between the value of analog signal and predetermined threshold value；First judging unit 332
It is raw that all values in analog signal is all higher than or is equal to judge that PUR quantity for spray meets during predetermined threshold value
Become requirement, and judge that PUR quantity for spray is discontented with when the value having analog signal is less than predetermined threshold value
Foot generates requirement.
Specifically, the value of analog signal changes along with the change of quantity for spray, when quantity for spray is big, and inspection
The reflection light of light-metering is little, thus it is big to detect the Strength Changes value between light and reflection light, correspondingly,
Represent the Strength Changes between the upper detection light of all PURs spraying point and reflection light on filter stick formation paper
The analog signal of value also can be big.Therefore, the value of analog signal is compared by comparing unit 322 with pre-
If the magnitude relationship between threshold value, all PURs spraying on the filter stick formation paper that can correctly judge
The PUR quantity for spray of point is the most normal.
Fig. 8 is another reality of the detection device of the present invention above-mentioned filter-stick forming device PUR quantity for spray
Execute the structural representation of example.Compared with embodiment illustrated in fig. 7, in the present embodiment, Photoelectric Detection
Device 301 can also include the second transmitter unit 361 and be connected with the second transmitter unit 361
3rd receives unit 371, wherein:
Second transmitter unit 361 at PUR binder spray before filter stick formation paper spraying hot-melt adhesive, to
The detection light of preset strength launched by filter stick formation paper；3rd receives unit 371 judges whether to receive
The reflection light of the detection light that the second transmitter unit 361 is launched；Transmitting element 351 is also to controller
302 send the data signal indicating whether to receive the reflection light that the second transmitter unit 361 is launched.
Correspondingly, in this embodiment, the second reception unit 312 also receives data signal.Control
Device 302 can also include receiving with second the second judging unit 342 of being connected of unit 312 and
The output unit 352 being connected with the second judging unit 342 and the first control unit 362, wherein:
Second judging unit 342 judges filter stick formation when data signal is for presetting the first data signal
Paper does not exists or the position skew of filter stick formation paper, and in data signal for presetting the second numeral letter
Number time judge that filter stick formation paper exists and the position of filter stick formation paper does not offsets；Output unit 352 exists
Filter stick formation paper do not exist or filter stick formation paper position skew time output alarm signal；First controls
Unit 362 controls Photoelectric Detection when the position of the existence of filter stick formation paper and filter stick formation paper does not offsets
The each PUR spraying point on this filter stick formation paper of the first transmitter unit 311 in device 301 is launched
The detection light of preset strength also receives the reflection light of this detection light.
Specifically, when filter stick formation paper does not exists or filter stick formation paper position offsets, the 3rd connects
Receive unit 371 and can not receive the reflection light of detection light, therefore transmitting element 351 would indicate that and do not receives
To first data signal of presetting of reflection light, such as 1, it is sent to the second reception unit 312, the
When data signal is for presetting the first data signal, two judging units 342 judge that filter stick formation paper is not deposited
Or filter stick formation paper position skew, output unit 352 output alarm signal.
Correspondingly, when filter stick formation paper exists and filter stick formation paper position does not offsets, the 3rd receives
Unit 371 can receive the reflection light of detection light, therefore transmitting element 351 would indicate that and receives reflection
Second data signal of light, such as 0, it is sent to the second reception unit 312, the second judging unit
342 judge that when data signal is for presetting the second data signal filter stick formation paper exists and filter stick formation
The position of paper does not offsets, and the first control unit 362 controls the first transmitting in photoelectric detector 301
The unit 311 each PUR spraying point on this filter stick formation paper launches the detection light of preset strength also
Receive the reflection light of this detection light.
Should be understood that above-mentioned data signal 1 and 0 is merely exemplary ground, such as, the first numeral letter
Number can be preset as 0, the second data signal can be preset as 1.
Fig. 9 is another reality of the detection device of the present invention above-mentioned filter-stick forming device PUR quantity for spray
Execute the structural representation of example, the controller 302 compared with embodiment illustrated in fig. 7, in the present embodiment
Can also include the second control unit 372 being connected with the first judging unit 332, second controls list
Unit 372 sends control signal when PUR quantity for spray is unsatisfactory for production requirement to filter-stick forming device,
Quit work with control filter-stick forming device.Correspondingly, PUR binder spray can be stopped continue simultaneously
Spraying hot-melt adhesive.
The detection method of the filter-stick forming device PUR quantity for spray that the above embodiment of the present invention provides and dress
Putting can be at PUR binder spray during a filter stick formation paper spraying hot-melt adhesive, by light
The photodetector each PUR spraying point on this filter stick formation paper launches the detection light of preset strength also
Receive the reflection light of this detection light, obtain between each PUR spraying upper detection light of point and reflection light
Strength Changes value；And then, photoelectric detector is according to each PUR spraying point upper detection light and reflection light
Between Strength Changes value, generate and represent and detect light on all PURs spraying point on filter stick formation paper
And the analog signal of the Strength Changes value between reflection light is also sent to controller；Controller is according to connecing
Relation between value and the predetermined threshold value of the analog signal received judges whether PUR quantity for spray meets
Production requirement；When PUR quantity for spray is unsatisfactory for production requirement, controller output alarm signal.
The embodiment of the present invention can realize the effective monitoring to PUR quantity for spray, in order to sprays at PUR
When measuring abnormal and alarm, it is to avoid owing to the quantity for spray of PUR binder spray is not enough or stops spraying
The quick-fried rod phenomenon that the filter stick formation paper bond effect caused is the best and occurs.
Description of the invention is given for the sake of example and description, and is not exhaustively
Or it limit the invention to disclosed form.Many modifications and variations are for the common skill of this area
It is obvious for art personnel.Selecting and describing embodiment is the principle in order to the present invention is more preferably described
Apply with reality, and make those of ordinary skill in the art it will be appreciated that the present invention thus design is suitable
The various embodiments with various amendments in special-purpose.
Claims (8)
1. a detection method for filter-stick forming device PUR quantity for spray, including:
Photoelectric detector, becomes to filter stick at PUR binder spray before filter stick formation paper spraying hot-melt adhesive
Type paper is launched the detection light of preset strength and judges whether to receive the reflection light of this detection light, and to
Controller sends the data signal indicating whether to receive reflection light；
According to the data signal received, described controller judges whether filter stick formation paper exists and filter
Whether the position of rod forming paper offsets；
At PUR binder spray during a filter stick formation paper spraying hot-melt adhesive, Photoelectric Detection
Detection light the reception of the device each PUR spraying point transmitting preset strength on this filter stick formation paper should
The reflection light of detection light, the intensity obtained between each PUR spraying upper detection light of point and reflection light becomes
Change value；
Photoelectric detector is according to the Strength Changes between each PUR spraying upper detection light of point and reflection light
Value, generate represent on described filter stick formation paper all PURs spraying point upper detection light and reflection light it
Between the analog signal of Strength Changes value and be sent to controller；Wherein, detection light with reflection light it
Between Strength Changes value the biggest, the value of corresponding analog signal is the biggest；
Controller judges hot melt according to the relation between value and the predetermined threshold value of the analog signal received
Whether glue quantity for spray meets production requirement；
When PUR quantity for spray is unsatisfactory for production requirement, described controller output alarm signal.
Method the most according to claim 1, it is characterised in that described judgement PUR sprays
Whether painting amount meets production requirement includes:
The relatively magnitude relationship between value and the predetermined threshold value of analog signal, if analog signal is all
Value is all higher than or equal to predetermined threshold value, then PUR quantity for spray meets generation requirement；
Otherwise, if having the value of analog signal less than predetermined threshold value, then PUR quantity for spray is unsatisfactory for raw
Become requirement.
Method the most according to claim 1, it is characterised in that described controller is according to connecing
The data signal received judges whether filter stick formation paper exists and the position of filter stick formation paper is the most inclined
Shifting includes:
If described data signal for preset the first data signal, then judge filter stick formation paper do not exist or
The position skew of filter stick formation paper, controller output alarm signal；
If described data signal is for presetting the second data signal, then judge that filter stick formation paper exists and filter
The position of rod forming paper does not offsets, and controller controls to perform described photoelectric detector to this filter stick formation
Each PUR spraying point on paper is launched the detection light of preset strength and receives the reflection light of this detection light
Operation.
Method the most according to claim 1, it is characterised in that also include: at PUR
When quantity for spray is unsatisfactory for production requirement, described controller sends control signal to filter-stick forming device, with
Control filter-stick forming device to quit work.
5. a detection device for filter-stick forming device PUR quantity for spray, including photoelectric detector,
And the controller being connected with described photoelectric detector, wherein:
Described photoelectric detector at PUR binder spray to the mistake of a filter stick formation paper spraying hot-melt adhesive
Cheng Zhong, each PUR spraying point on this filter stick formation paper is launched the detection light of preset strength and connects
Receiving the reflection light of this detection light, obtain between each PUR spraying point upper detection light and reflection light is strong
Degree changing value；And according to the Strength Changes between each PUR spraying upper detection light of point and reflection light
Value, generate represent on described filter stick formation paper all PURs spraying point upper detection light and reflection light it
Between the analog signal of Strength Changes value and be sent to controller；Wherein, detection light with reflection light it
Between Strength Changes value the biggest, the value of corresponding analog signal is the biggest；
Described controller judges according to the relation between value and the predetermined threshold value of the analog signal received
Whether PUR quantity for spray meets production requirement；And it is unsatisfactory for production requirement at PUR quantity for spray
Time, output alarm signal；
Described photoelectric detector includes that the second transmitter unit is connected with described second transmitter unit
Three receive unit and receive the transmitting element that unit is connected, wherein with the described 3rd:
Described second transmitter unit at PUR binder spray before filter stick formation paper spraying hot-melt adhesive, to
The detection light of preset strength launched by filter stick formation paper；Described 3rd receives whether unit judges receives
The reflection light of the detection light that described second transmitter unit is launched；
Described transmitting element sends to controller and indicates whether that receiving described second transmitter unit launches
Reflection light data signal；
Described controller always according to the data signal received judge filter stick formation paper whether exist and
Whether the position of filter stick formation paper offsets.
Device the most according to claim 5, it is characterised in that described photoelectric detector is also
Including the first transmitter unit, the first reception unit, receive single with the first transmitter unit and first respectively
The life that the first acquiring unit that unit connects is connected with described first acquiring unit and described transmitting element
Become unit, wherein:
Described first transmitter unit at PUR binder spray to a filter stick formation paper spraying hot-melt adhesive
During, each PUR spraying point on this filter stick formation paper launches the detection light of preset strength；
Described first receives unit receives each PUR spraying upper reflection light detecting light of point；Described first obtains
Take unit and obtain the Strength Changes value between each PUR spraying upper detection light of point and reflection light；Described
Signal generating unit is according to the Strength Changes value between each PUR spraying upper detection light of point and reflection light, raw
Become represent on described filter stick formation paper between all PURs spraying point upper detection light and reflection light strong
The analog signal of degree changing value；Described analog signal is sent to described control by described transmitting element
Device；
Described controller includes the second reception unit and described second being connected with described transmitting element
Receive the comparing unit that unit connects and the first judging unit being connected with described comparing unit,
Wherein:
Described second receives unit receives the analog signal that described transmitting element sends；Described the most single
Unit compares the magnitude relationship between the value of analog signal and predetermined threshold value；Described first judging unit exists
The all values of analog signal is all higher than or is equal to during predetermined threshold value judging that PUR quantity for spray meets and generates
Requirement, and judge that PUR quantity for spray is unsatisfactory for when the value having analog signal is less than predetermined threshold value
Generate requirement.
Device the most according to claim 6, it is characterised in that described second receives unit
Also receive described data signal；
Described controller also include receiving with described second the second judging unit of being connected of unit and
The output unit being connected with described second judging unit and the first control unit, wherein:
Described second judging unit judges filter stick when described data signal is for presetting the first data signal
Forming paper does not exists or the position skew of filter stick formation paper, and in described data signal for presetting the
Judge during two digital signal that filter stick formation paper exists and the position of filter stick formation paper does not offsets；Described defeated
Go out unit filter stick formation paper do not exist or filter stick formation paper position skew time output alarm signal；
Described first control unit is not when the position of the existence of filter stick formation paper and filter stick formation paper offsets
Control described first transmitter unit each PUR spraying point on this filter stick formation paper and launch default strong
The detection light spent the reflection light receiving this detection light.
Device the most according to claim 6, it is characterised in that described controller also includes
The second control unit being connected with described first judging unit, described second control unit is at PUR
Quantity for spray is unsatisfactory for during production requirement sending control signal to filter-stick forming device, to control filter stick formation
Machine quits work.
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| CN103884687A (en) | 2014-06-25 |
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