CN106743936A - Tipping paper sheets device for detecting length, method and rolling up and connecting machine - Google Patents
Tipping paper sheets device for detecting length, method and rolling up and connecting machine Download PDFInfo
- Publication number
- CN106743936A CN106743936A CN201710011961.6A CN201710011961A CN106743936A CN 106743936 A CN106743936 A CN 106743936A CN 201710011961 A CN201710011961 A CN 201710011961A CN 106743936 A CN106743936 A CN 106743936A
- Authority
- CN
- China
- Prior art keywords
- negative pressure
- length
- paper sheets
- tipping paper
- aperture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/04—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators
- B65H35/06—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with transverse cutters or perforators from or with blade, e.g. shear-blade, cutters or perforators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/12—Advancing webs by suction roller
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2406/00—Means using fluid
- B65H2406/30—Suction means
- B65H2406/36—Means for producing, distributing or controlling suction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/10—Size; Dimensions
- B65H2511/11—Length
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
- B65H2511/50—Occurence
- B65H2511/51—Presence
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2553/00—Sensing or detecting means
- B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
- B65H2553/41—Photoelectric detectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2553/00—Sensing or detecting means
- B65H2553/51—Encoders, e.g. linear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/54—Cigarette making
Landscapes
- Controlling Sheets Or Webs (AREA)
Abstract
The invention discloses a kind of tipping paper sheets device for detecting length, method and rolling up and connecting machine, it is related to tobacco automation control area.The device includes：Shaft encoder, photoelectric detector and main control device；The rotating shaft of shaft encoder is connected with the power transmission shaft of yew paper bowl, and the shaft encoder follows the yew paper bowl to rotate, and sends pulse signal to main control device；Photoelectric detector is used to, when the tipping paper sheets after being cut on yew paper bowl are detected, photoelectric detecting signal is sent to main control device；Main control device is used to obtaining the actual quantity M of the pulse signal that shaft encoder is exported between the rising edge and trailing edge of photoelectric detecting signal, and the pulse signal exported between the rising edge and trailing edge of photoelectric detecting signal with the shaft encoder acquired when tipping paper sheets length is normal standard number M0It is compared, and determines whether tipping paper sheets length is normal according to comparative result.The present invention is realized to whether tipping paper sheets length normally detects.
Description
Technical field
The present invention relates to tobacco automation control area, more particularly to a kind of tipping paper sheets device for detecting length, method and
Rolling up and connecting machine.
Background technology
PROTOS1-8 rolling up and connecting machine is the high speed rolling up and connecting machine of German HUANI companies manufacture, and machine often runs a cycle, complete
Into a cutting for tipping paper sheets, then it is wrapped in cigarette, such as Fig. 1 and Fig. 2, the operation of cork paper and cutting process are as follows：
Be pressed on cork paper 4 in draw rollers 3 by hold-down roller 2, and draw rollers 3 is driven by machine main transmission, by cork paper 4 from water
Pulled out in slipped roll disk 1, cork paper 4 and draw rollers 3 keep synchronous.Machine often runs a cycle, the distance that draw rollers 3 is rotated
It is fixed as L1, then length is L1Cork paper 4 be drawn out.
Yew paper bowl 5 is driven by machine main transmission, and machine often runs a cycle, and yew paper bowl 5 rotates clockwise 1/12
Circle, the distance of rotation is fixed as L2, and L2＞ L1.12 identical and equally distributed negative pressure are fixed with yew paper bowl 5
Block 10, the distance of adjacent negative pressure block 10 is L2(it should be noted that the distance of adjacent negative pressure block refers to adjacent negative pressure block here
Center distance circumferentially).
Fixed-size negative pressure is passed into the negative pressure cavity 8 in yew paper bowl 5, negative pressure cavity 8 be it is fixed, i.e., not
Yew paper bowl 5 is followed to rotate.Have negative pressure hole on negative pressure block 10, when negative pressure block 10 run to negative pressure cavity 8 effect region AC when, bear
Negative pressure in pressure chamber 8 will be conducted into negative pressure block 10 by negative pressure hole.The cork paper 4 that draw rollers 3 is pulled out enters into yew paper bowl 5
In, and be attracted on negative pressure block 10, rotated followed by yew paper bowl 5.
There are 12 equally distributed cutting knifes 9 on cutting roller 6, cutting roller 6 is driven by machine main transmission, and machine often runs one
Cycle, cutting roller 6 rotates counterclockwise 1/12 circle, in the process, has a cutting knife 9 to be connect with yew paper bowl 5 on cutting roller 6
Touch, and the position for contacting with each other always negative pressure block 10 back edge, a cutting for tipping paper sheets 11 is then completed, after cutting
Tipping paper sheets 11 continue adsorb on negative pressure block 10 as yew paper bowl 5 runs, subsequently into next drum, be wrapped in cigarette
In branch 7.
The content of the invention
It was found by the inventors of the present invention that negative pressure is too big in yew paper bowl or too small tipping paper sheets will be caused long or mistake
It is short.
According to the first aspect of the invention, there is provided a kind of tipping paper sheets device for detecting length, including：Shaft encoder, light
Photodetector and main control device；The rotating shaft of the shaft encoder is connected with the power transmission shaft of yew paper bowl, the shaft encoder with
Rotated with the yew paper bowl, and pulse signal is sent to the main control device；The photoelectric detector is detected for working as
On the yew paper bowl be cut after tipping paper sheets when, to the main control device send photoelectric detecting signal；The master control sets
It is ready for use on and obtains the pulse signal that the shaft encoder is exported between the rising edge and trailing edge of the photoelectric detecting signal
Actual quantity M, and the shaft encoder acquired with when tipping paper sheets length is normal is in the rising edge of photoelectric detecting signal
The standard number M of the pulse signal exported and trailing edge between0It is compared, and the tipping paper sheets is determined according to comparative result
Whether length is normal.
In one embodiment, if │ M-M0│≤N, then the main control device determine that the length of the tipping paper sheets is normal；
If M-M0＞ N, then the main control device determine that the length of the tipping paper sheets is long；If M-M0＜-N, then the main control device is true
The length of the fixed tipping paper sheets is too short；Wherein, N is the pulse number allowed corresponding to deflected length of the tipping paper sheets
Amount.
In one embodiment, the tipping paper sheets device for detecting length also includes：Negative pressure adjustment equipment, with the master control
The output end electrical connection of equipment, and connected with the negative pressure cavity of the yew paper bowl；Wherein, the main control device is when according to comparing knot
When fruit determines that the tipping paper sheets length is abnormal, control signal is sent to the negative pressure adjustment equipment；The negative pressure regulation sets
It is standby after the control signal is received, by the negative pressure for adjusting the actual aperture of itself to adjust in the yew paper bowl, from
And adjust the length of the tipping paper sheets.
In one embodiment, the main control device is it is determined that the length of the tipping paper sheets normally keeps the negative pressure afterwards
The aperture of adjustment equipment is constant, so as to keep the negative pressure in yew paper bowl constant；The main control device is it is determined that the cork paper
Control reduces the aperture of the negative pressure adjustment equipment after the length of piece is long, so as to reduce the negative pressure in the yew paper bowl；Or
Main control device described in person it is determined that after the length of the tipping paper sheets is too short control increase the aperture of the negative pressure adjustment equipment, from
And increase the negative pressure in the yew paper bowl.
In one embodiment, the negative pressure adjustment equipment includes：Metal tube, sheet metal, connecting rod, angular transducer, step
Stepper motor and controllor for step-by-step motor；Wherein, the diameter of the sheet metal is less than the internal diameter of the metal tube, and the sheet metal exists
In the metal tube, the angle of the sheet metal and the metal tube Sidelong portion is the aperture of the negative pressure adjustment equipment；It is described
Controllor for step-by-step motor is electrically connected with the stepper motor, for controlling the stepper motor to rotate；The stepper motor turn
Axle is connected by the connecting rod with the sheet metal；The angular transducer is used to detect the rotational angle of connecting rod, so as to obtain
The actual aperture of the negative pressure adjustment equipment, and the actual aperture is sent to the main control device.
In one embodiment, negative pressure adjustment equipment described in the main control device from the angular transducer real-time reception
Actual aperture, judges whether the actual aperture is equal to and expects aperture；If unequal, sent out to the controllor for step-by-step motor
Send control signal；The controllor for step-by-step motor controls the stepper motor to rotate after the control signal is received, so that
Control the sheet metal to rotate, adjust the actual aperture of the negative pressure adjustment equipment, until by the actual aperture regulation to etc.
In the expectation aperture；Wherein, it is described to expect that aperture is in order that the length for obtaining the tipping paper sheets is adjusted to normal length
The aperture of the required negative pressure adjustment equipment.
In one embodiment, the main control device passes through to increase or be sequentially reduced the control mode of predetermined opening value successively
The aperture of the negative pressure adjustment equipment is controlled to adjust, so as to adjust the negative pressure in the yew paper bowl.
In one embodiment, the negative pressure cavity of the yew paper bowl includes：One section of negative pressure cavity and two sections of negative pressure cavities；Described one
Suction function in section negative pressure cavity is in the suction function in one section of region of the yew paper bowl, two sections of negative pressure cavities in described
Two sections of regions of yew paper bowl；Wherein, the negative pressure of required regulation is the negative pressure in one section of negative pressure cavity, two sections of negative pressure cavities
Interior negative pressure is constant.
Tipping paper sheets device for detecting length of the invention is realized to whether the length of tipping paper sheets normally detects.
Further, in the case of the length of tipping paper sheets is abnormal, by the regulation to the negative pressure in yew paper bowl,
Such that it is able to by the length adjustment of tipping paper sheets to the error range for allowing, it is ensured that cigarette quality.
According to the second aspect of the invention, there is provided a kind of rolling up and connecting machine, including：Foregoing tipping paper sheets length detection
Device.
According to the third aspect of the invention we, there is provided a kind of tipping paper sheets length detecting method, including：By shaft encoder
Rotating shaft is connected with the power transmission shaft of yew paper bowl so that the shaft encoder follows the yew paper bowl to rotate, and obtains the axle
The pulse signal of encoder；Obtain when photoelectric detector detects the tipping paper sheets when institute after being cut on the yew paper bowl
The photoelectric detecting signal of transmission；And the acquisition shaft encoder is between the rising edge and trailing edge of the photoelectric detecting signal
The actual quantity M of the pulse signal of output, and the shaft encoder acquired with when tipping paper sheets length is normal is in photoelectricity
The standard number M of the pulse signal exported between the rising edge and trailing edge of detection signal0It is compared, and according to comparative result
Determine whether the tipping paper sheets length is normal.
In one embodiment, determine whether normal step includes the tipping paper sheets length according to comparative result：If │ M-
M0│≤N, it is determined that the length of the tipping paper sheets is normal；If M-M0＞ N, it is determined that the length of the tipping paper sheets is long；If
M-M0＜-N, it is determined that the length of the tipping paper sheets is too short；Wherein, N is right by the permission deflected length of the tipping paper sheets
The pulse signal quantity answered.
In one embodiment, methods described also includes：When determining the tipping paper sheets length not just according to comparative result
The actual aperture of negative pressure adjustment equipment is controlled to adjust when often, to adjust the negative pressure in yew paper bowl, so as to adjust the cork paper
The length of piece.
In one embodiment, methods described also includes：It is determined that the length of the tipping paper sheets normally keeps described afterwards
The aperture of negative pressure adjustment equipment is constant, so as to keep the negative pressure in yew paper bowl constant；When determining the water according to comparative result
The step of aperture that negative pressure adjustment equipment is controlled to adjust when loose scraps of paper length is abnormal, includes：It is determined that the length of the tipping paper sheets
Control to reduce the aperture of the negative pressure adjustment equipment after spending length, so as to reduce the negative pressure in the yew paper bowl；Or true
Control increases the aperture of the negative pressure adjustment equipment after the length of the fixed tipping paper sheets is too short, so as to increase the yew paper bowl
Interior negative pressure.In one embodiment, controlled to adjust when determining that the tipping paper sheets length is abnormal according to comparative result negative
The step of aperture for pressing adjustment equipment, includes：The actual aperture of the negative pressure adjustment equipment is obtained in real time；And judge the reality
Whether border aperture is equal to is expected aperture, if unequal, controls to adjust the actual aperture of the negative pressure adjustment equipment, until will
The actual aperture regulation is to equal to the expectation aperture；Wherein, the expectation aperture is in order that obtaining the tipping paper sheets
Length be adjusted to normal length required for the negative pressure adjustment equipment aperture.
In one embodiment, wherein, by increase successively or be sequentially reduced predetermined opening value control mode control adjust
The aperture of the negative pressure adjustment equipment is saved, so as to adjust the negative pressure in the yew paper bowl.
In one embodiment, the negative pressure cavity of the yew paper bowl includes：One section of negative pressure cavity and two sections of negative pressure cavities；Described one
Suction function in section negative pressure cavity is in the suction function in one section of region of the yew paper bowl, two sections of negative pressure cavities in described
Two sections of regions of yew paper bowl；Wherein, the negative pressure of required regulation is the negative pressure in one section of negative pressure cavity, two sections of negative pressure cavities
Interior negative pressure is constant.
Tipping paper sheets length detecting method of the invention is realized to whether the length of tipping paper sheets normally detects.
Further, in the case of the length of tipping paper sheets is abnormal, by the regulation to the negative pressure in yew paper bowl,
Such that it is able to by the length adjustment of tipping paper sheets to the error range for allowing, it is ensured that cigarette quality.
By referring to the drawings to the detailed description of exemplary embodiment of the invention, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
The Description of Drawings embodiments of the invention of a part for specification are constituted, and is used to solve together with the description
Release principle of the invention.
Referring to the drawings, according to following detailed description, the present invention can be more clearly understood from, wherein：
Fig. 1 is the schematic diagram for schematically showing cork paper conveying and cutting in rolling up and connecting machine.
Fig. 2 is the schematic diagram for schematically showing yew paper bowl and cutting roller.
Fig. 3 is the long schematic diagram of the tipping paper sheets cut out in the cutting process for be shown schematically in cork paper.
Fig. 4 is the too short schematic diagram of the tipping paper sheets cut out in the cutting process for be shown schematically in cork paper.
Fig. 5 is the schematic diagram for schematically showing shaft encoder according to an embodiment of the invention.
Fig. 6 is the output signal schematic diagram for schematically showing shaft encoder according to an embodiment of the invention.
Fig. 7 is the structure connection for schematically showing tipping paper sheets device for detecting length according to an embodiment of the invention
Figure.
Fig. 8 is the pulse signal schematic diagram for showing to be detected under normal circumstances in tipping paper sheets length.
The pulse signal schematic diagram that Fig. 9 is detected when being and showing whether actually detected tipping paper sheets length is normal.
Figure 10 is the structure for schematically showing tipping paper sheets device for detecting length in accordance with another embodiment of the present invention
Connection figure.
Figure 11 is the installation for schematically showing tipping paper sheets device for detecting length in accordance with another embodiment of the present invention
Schematic diagram.
Figure 12 is the flow chart of the tipping paper sheets length detecting method for showing root one embodiment of the invention.
Figure 13 is the flow chart of the tipping paper sheets length detecting method for showing root another embodiment of the present invention.
Specific embodiment
Describe various exemplary embodiments of the invention in detail now with reference to accompanying drawing.It should be noted that：Unless had in addition
Body illustrates that the part and the positioned opposite of step, numerical expression and numerical value for otherwise illustrating in these embodiments do not limit this
The scope of invention.
Simultaneously, it should be appreciated that for the ease of description, the size of the various pieces shown in accompanying drawing is not according to reality
Proportionate relationship draw.
The description only actually at least one exemplary embodiment is illustrative below, never as to the present invention
And its any limitation applied or use.
May be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing a part for specification.
In all examples shown here and discussion, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it need not be further discussed in subsequent accompanying drawing.
The characteristics of the present inventor have studied cork paper operation and cut with reference to Fig. 1 and Fig. 2, it is as follows：
(1) uncut cork paper and yew paper bowl between occur it is relative slide, tipping paper sheets and yew after cutting
Paper bowl synchronization.
Due to L2＞ L1, i.e. machine often runs a machine cycle, the operation of yew paper bowl 5 apart from L2Always greater than draw
Roller 3 pull out and enter into yew paper bowl 5 cork paper 4 length L1, therefore uncut cork paper 4 and water on yew paper bowl 5
Always there is relative slip between loose paper bowl 5, the operation of yew paper bowl 5 will always be ahead of cork paper 4, in a machine cycle
Interior, the two relative distance slided is fixed as L2-L1。
Tipping paper sheets 11 after cutting continue to adsorb on negative pressure block 10, and tipping paper sheets 11 are subject to making for yew paper bowl 5
With, no longer acted on by draw rollers 3, therefore tipping paper sheets 11 and yew paper bowl 5 keep synchronous.
(2) length of the tipping paper sheets after cutting is fixed.
Under normal circumstances, machine often runs a cycle, length L1Cork paper 4 enter into yew paper bowl 5 and cut
The length of the tipping paper sheets 11 being cut into after tipping paper sheets 11, therefore cutting is fixed as L1。
(3) there is gap between tipping paper sheets, and gap length is fixed.
What the back edge of tipping paper sheets 11 and the back edge of negative pressure block 10 under normal circumstances, after cutting was always generally flush with, often
The length of piece tipping paper sheets 11 is fixed L1, the distance of adjacent negative pressure block 10 is fixed L2, and L2＞ L1, therefore in yew
On paper bowl 5, gap is constantly present between adjacent tipping paper sheets 11, and the length in gap is equal to L2-L1。
The characteristics of above-mentioned tipping paper sheets 11, enables that tipping paper sheets 11 are accurately wrapped in cigarette 7, so as to ensure cigarette
Zhi Zhiliang.
The present inventor is investigated the defect of cork paper operation cutting, as follows：
Such as Fig. 1 and Fig. 2, on yew paper bowl 5, the surface region of yew paper bowl 5 for having negative pressure can be divided into two sections：One section of region
With two sections of regions.(1) uncut cork paper 4 can reach and can be claimed by the surface region of the yew paper bowl 5 of suction function
It is one section of region.As shown in Fig. 2 when cutting knife 9 is just cut cork paper 4 by cutting roller 6, the yew being just cut to
The surface region AB of the yew paper bowl 5 that the scraps of paper and not cut cork paper 4 are covered is one section of region.(2) do not cut
Cork paper 4 can not reach and two sections of regions can be referred to as by the surface region of the yew paper bowl 5 of suction function.Such as Fig. 2 institutes
Show, BC sections is two sections of regions.
In rolling up and connecting machine (such as PROTOS1-8 rolling up and connecting machine), the only one of which of negative pressure cavity 8 of yew paper bowl 5, therefore one section of area
The negative pressure of domain AB and two sections of region BC is identical.In two sections of region BC, tipping paper sheets 11 are only driven by yew paper bowl 5,
The two is Complete Synchronization, therefore two sections of zone negative pressures are not required particularly, as long as can hold tipping paper sheets 11.
In one section of region AB, cork paper 4 is subject to acting on for draw rollers 3 and yew paper bowl 5 simultaneously, and the speed of draw rollers 3 is less than cork paper
, always there is relative slip in the speed of roller 5, and the operation of cork paper 4 is always stagnant so as to cause cork paper 4 and yew paper bowl 5
After yew paper bowl 5, the pulling force that then cork paper 4 is subject to is equal to the force of sliding friction between yew paper bowl 5 and cork paper 4, sliding
The size and the pressure between yew paper bowl 5 and cork paper 4 of kinetic force of friction into positive relationship, the pressure and one section of zone negative pressure size
Into positive relationship, therefore：One section of zone negative pressure is bigger, and the pressure between yew paper bowl 5 and cork paper 4 is bigger, then yew paper bowl 5 with
Force of sliding friction between cork paper 4 is bigger, that is, the pulling force that cork paper 4 is subject to is bigger；Otherwise one section of zone negative pressure is smaller,
The pulling force that cork paper 4 is subject to is smaller.
The present inventor also studies discovery, and the pulling force size that cork paper 4 is subject to can produce shadow to the operation of cork paper 4
Ring, and then influence the length of tipping paper sheets 11, it is specific as follows：
(1) one section of zone negative pressure too conference makes tipping paper sheets elongated.
As shown in figure 3, when one section of zone negative pressure is too big, yew paper bowl 5 is to the pulling force of cork paper 4 than larger, cork paper 4
The degree being stretched is larger, so as to the lengthening distance for causing cork paper 4 to run, i.e., within a machine cycle, enters into yew
The length of cork paper 4 of paper bowl 5 can be more than L1, then by after cutting, the length of tipping paper sheets 11 is more than L1。
(2) one sections of zone negative pressures are too small to make tipping paper sheets shorten.
As shown in figure 4, when one section of zone negative pressure is too small, yew paper bowl 5 is smaller to the pulling force of cork paper 4, cork paper 4
In due to that cannot timely enter yew paper bowl 5, so as to the distance for causing cork paper 4 to run shortens, i.e., in a machine cycle
Interior, the length of cork paper 4 for entering into yew paper bowl 5 can be less than L1, then by after cutting, the length of tipping paper sheets 11 is less than L1。
The tipping paper sheets of length abnormal (oversize or too short) can cause cigarette quality defect.
Fig. 5 is the schematic diagram for schematically showing shaft encoder according to an embodiment of the invention.Fig. 6 is schematically
The output signal schematic diagram of shaft encoder according to an embodiment of the invention is shown.As shown in Figure 5 and Figure 6, shaft encoder (example
Such as incremental encoder) 50 per revolution of rotating shaft 51, signal end 52 will uniformly export n pulse signal (such as increment
Pulse signal), n is determined by the model of shaft encoder 50.
Fig. 7 is the structure connection for schematically showing tipping paper sheets device for detecting length according to an embodiment of the invention
Figure.Fig. 8 is the pulse signal schematic diagram for showing to be detected under normal circumstances in tipping paper sheets length.Fig. 9 be show it is actually detected
The pulse signal schematic diagram whether tipping paper sheets length is detected when normal.The present invention one is described in detail with reference to Fig. 7 to Fig. 9
The tipping paper sheets device for detecting length of individual embodiment.
As shown in fig. 7, the tipping paper sheets device for detecting length can include：Shaft encoder 50, photoelectric detector 60 and master
Control equipment 70.The shaft encoder 50 for example can be incremental encoder.The main control device 70 for example can be (programmable for PLC
Logic controller, Programmable Logic Controller).
The rotating shaft of the shaft encoder 50 is connected with the power transmission shaft of yew paper bowl 5, and the shaft encoder 50 follows yew paper bowl 5
Rotate, and pulse signal is sent to main control device 70 (pulse signal is for example as shown in Figure 8 and Figure 9).For example, being encoded with increment type
As a example by device, the rotating shaft of incremental encoder is connected with the power transmission shaft of yew paper bowl, yew paper bowl per revolution, increment type
The rotating shaft of encoder follows one circle of rotation, signal end uniformly to export n pulse signal.It should be noted that the axle in the present invention
Encoder can also use absolute type encoder, for example, can be by absolute type encoder except that can use incremental encoder
The data signal (such as 1,2 ... n) of output regards pulse signal as, so as to can be used for realizing cork paper length of a film of the invention
Degree detection means.
The photoelectric detector 60 is electrically connected with main control device 70.The photoelectric detector 60 is detected in yew paper bowl for working as
On 5 be cut after tipping paper sheets when, to main control device 70 send photoelectric detecting signal.For example, the photoelectric detector 60 is aligned
Two sections of region BC on yew paper bowl 5, when tipping paper sheets have been detected, photoelectric detector output 24VDC (Direct
Current, direct current) signal, the output of remaining situation no signal.In one embodiment, when rising occurs in photoelectric detecting signal
Along when, photoelectric detector detects the front edge of tipping paper sheets, then when trailing edge occurs in photoelectric detecting signal, photoelectricity
Detector detects the back edge of the tipping paper sheets.
The main control device 70 is exported for obtaining shaft encoder 50 between the rising edge and trailing edge of photoelectric detecting signal
Pulse signal actual quantity M (as shown in Figure 9), and with the shaft encoder acquired when tipping paper sheets length is normal in light
The standard number M of the pulse signal exported between the rising edge and trailing edge of power detection signal0(as shown in Figure 8) is compared,
And determine whether tipping paper sheets length is normal according to comparative result.For example, can be it is determined that the normal situation of tipping paper sheets length
Under, obtain the standard number M of the pulse signal that shaft encoder is exported between photoelectric detector signal rising edge and trailing edge0,
Stored in main control device in advance as canonical parameter.
In this embodiment, by obtaining what shaft encoder was exported between the rising edge and trailing edge of photoelectric detecting signal
The actual quantity of pulse signal, and with the shaft encoder acquired when tipping paper sheets length is normal in photoelectric detector signal
The standard number of the pulse signal exported between rising edge and trailing edge is compared, such that it is able to judge tipping paper sheets length
It is whether normal, realize to whether tipping paper sheets length normally detects.
In one embodiment, if │ M-M0│≤N, then the length of the determination of main control device 70 tipping paper sheets is normal.If M-M0＞
N, then the length of the determination of main control device 70 tipping paper sheets is long.If M-M0＜-N, then main control device 70 determine tipping paper sheets length
Spend short.Wherein, N is the pulse signal quantity allowed corresponding to deflected length of tipping paper sheets.Parameter N can be according to reality
Need to set.In this embodiment, by comparing M and M0Difference and N magnitude relationship, realize to tipping paper sheets length
Whether normally judge, and detecting in the case of tipping paper sheets length exception, judge that length is long or mistake
It is short.
Figure 10 is the structure for schematically showing tipping paper sheets device for detecting length in accordance with another embodiment of the present invention
Connection figure.Figure 11 is that the installation for schematically showing tipping paper sheets device for detecting length in accordance with another embodiment of the present invention is shown
It is intended to.Tipping paper sheets device for detecting length in accordance with another embodiment of the present invention is described in detail with reference to Figure 10 and Figure 11.
As shown in Figure 10, the tipping paper sheets device for detecting length can include：Shaft encoder 50, photoelectric detector 60 and master
Control equipment 70.The rotating shaft of shaft encoder (such as incremental encoder) 50 is connected with the power transmission shaft of yew paper bowl 5, yew paper bowl
5 per revolutions, the rotating shaft of shaft encoder 5 follows one circle of rotation, signal end uniformly to export n pulse signal.As shown in figure 11,
Two sections of region BC on the alignment yew of photoelectric detector 60 paper bowl 5, the photoelectric detector 60 is used to detect the cork paper after cutting
Piece 11, when tipping paper sheets 11 have been detected, the output photoelectric detection signal of photoelectric detector 60 (such as 24VDC signals) to master control
Equipment 70, remaining situation can be exported with no signal.
In one embodiment, as shown in Figure 10, the tipping paper sheets device for detecting length can also include：Negative pressure regulation sets
Standby 80.The negative pressure adjustment equipment 80 is electrically connected with the output end of main control device 70, and is connected (below with the negative pressure cavity of yew paper bowl
To be described in detail with reference to Figure 11).Wherein, main control device 70 when according to comparative result determine tipping paper sheets length it is abnormal (for example,
It is long or too short) when, send control signal to negative pressure adjustment equipment 80.The negative pressure adjustment equipment 80 is receiving the control signal
Afterwards, the negative pressure in yew paper bowl is adjusted by adjusting the actual aperture of itself, so as to adjust the length of the tipping paper sheets.
In the embodiment, by the negative pressure for adjusting the aperture of negative pressure adjustment equipment to adjust in yew paper bowl, cut such that it is able to adjust
The length of the tipping paper sheets after cutting so that the tipping paper sheets length can ensure cigarette quality in the error range for allowing.
In one embodiment, main control device 70 is it is determined that the length of tipping paper sheets normally keeps negative pressure adjustment equipment 80 afterwards
Aperture it is constant, so as to keep the negative pressure in yew paper bowl constant.Main control device 70 is after it is determined that the length of tipping paper sheets is long
Control reduces the aperture of negative pressure adjustment equipment 80, so as to reduce the negative pressure in yew paper bowl.Main control device 70 is it is determined that cork paper
Control increases the aperture of negative pressure adjustment equipment 80 after the length of piece is too short, so as to increase the negative pressure in yew paper bowl.By regulation
Negative pressure in yew paper bowl, such that it is able to adjust the frictional force suffered by uncut cork paper, so as to detect cork paper
Reduce frictional force when piece is long, detect tipping paper sheets it is too short when increase frictional force, the length of tipping paper sheets may finally be adjusted
Degree.
In one embodiment, as shown in Figure 10 and Figure 11, the negative pressure adjustment equipment 80 can include：Metal tube 804, gold
Category piece 805, connecting rod 806, angular transducer 803, stepper motor 802 and controllor for step-by-step motor 801.
Preferably, the metal tube 804 is cylindrical metal tube, and the sheet metal 805 is circular metal plate.The sheet metal 805
Diameter less than (preferably, the being slightly less than) metal tube 804 internal diameter.The sheet metal 805 in the metal tube 804, the metal
The angle of piece 805 and the Sidelong portion of metal tube 804 (Sidelong portion can be positive round) is the aperture k of negative pressure adjustment equipment 80.0°
≤ k≤90 °, aperture k is bigger, and the two ends connecting degree of metal tube 804 is higher.
The controllor for step-by-step motor 801 is electrically connected with stepper motor 802, for controlling the stepper motor to rotate.The stepping
The rotating shaft of motor 801 is connected by connecting rod 806 with sheet metal 805.Therefore sheet metal can be changed by stepper motor 801
805 angle position, you can change the aperture k of negative pressure adjustment equipment.
The angular transducer 803 is electrically connected with the input of main control device 70.The angular transducer 803 is used to detect connecting rod
806 rotational angle, so as to obtain the actual aperture of negative pressure adjustment equipment 80, and is sent to main control device by the actual aperture
70.In this embodiment, angular transducer 803 can detect the angle position of connecting rod 806, so as to detect circular metal plate
Angle position, you can detect the aperture k of negative pressure adjustment equipment.
In one embodiment, reality of the main control device 70 from the real-time reception negative pressure adjustment equipment 80 of angular transducer 803
Aperture, judges whether the actual aperture is equal to and expects aperture；If unequal, sent to controllor for step-by-step motor 801 and controlled
Signal.After the control signal is received, control stepper motor 802 is rotated the controllor for step-by-step motor 801, so as to control metal
Piece 805 is rotated, and adjusts the actual aperture of the negative pressure adjustment equipment 80, until by actual aperture regulation to equal to expectation aperture.Its
In, the expectation aperture be in order that tipping paper sheets length be adjusted to normal length required for negative pressure adjustment equipment open
Degree.The purpose that the actual aperture of negative pressure adjustment equipment is adjusted to expect aperture is realized by closed-loop control in the embodiment.
It should be noted that the expectation aperture can be setting value, or the opening value obtained by computing.For example
The expectation aperture can cause the actual quantity M and standard number M of the pulse signal for detecting0It is equal or approximately equal and (is permitting
Perhaps in error range), that is, cause that the length of tipping paper sheets is normal.
Also, it should be noted that it is described here by actual aperture regulation to equal to aperture is expected, including but not limited to will
Can also for example there is certain error in actual aperture regulation, to expectation aperture is utterly equal to just as above adding " being equal to "
As upper description " substantially ".
In one embodiment, the negative pressure cavity of yew paper bowl can be transformed.As shown in figure 11, by 8 points of negative pressure cavity
One section of negative pressure cavity 22 and two sections of negative pressure cavities 23 are segmented into, the suction function in one section of negative pressure cavity 22 is in one section of region AB, two sections of negative pressure
Suction function in chamber 23 is in two sections of region BC.For one section of negative pressure cavity negative pressure, negative pressure is passed into the one of negative pressure adjustment equipment 80
End, the other end is linked into one section of negative pressure cavity 22.Then pass through the aperture k for changing negative pressure adjustment equipment 80, it is possible to change one section
The vacuum magnitude of negative pressure cavity 22, so as to change one section of vacuum magnitude of region AB.It is fixed-size for two sections of negative pressure cavity negative pressure
Negative pressure is passed into two sections of negative pressure cavities 23, so that two sections of negative pressure of region BC keep constant.
In the above-described embodiments, the negative pressure of required regulation is the negative pressure in one section of negative pressure cavity 22, in two sections of negative pressure cavities 23
Negative pressure is constant.By causing the negative pressure in two sections of negative pressure cavities constant, and the negative pressure in one section of negative pressure cavity is only adjusted, such that it is able to subtract
Small negative pressure regulated quantity (need not adjust the negative pressure of whole negative pressure cavity, and need to only adjust a part of negative pressure), and can be with
So that the negative pressure that tipping paper sheets are subject on one section of region and two sections of regions is independent of each other.
It should be noted that device of the invention also may be used in addition to it can individually adjust the negative pressure in one section of negative pressure cavity
Not do above-mentioned transformation to negative pressure cavity, i.e., can also adjust the negative pressure of whole negative pressure cavity, therefore the scope of the present invention and not only limit
In this.
In one embodiment, main control device 70 can be by increasing or being sequentially reduced the controlling party of predetermined opening value successively
Formula controls to adjust the aperture of negative pressure adjustment equipment 80, so as to adjust the negative pressure in yew paper bowl.
Describe the work of the tipping paper sheets device for detecting length of one embodiment of the invention in detail with reference to Figure 10 and Figure 11
Make process.
First, the corresponding delta pulse number M of the normal tipping paper sheets of length is measured0.As shown in figure 11, water is artificially ensured
The cutting of loose paper 4 is normal, runs machine so that a normal tipping paper sheets 11 are from photoelectric detector 60 on yew paper bowl 5
By.When rising edge occurs in the signal of photoelectric detector 60, before photoelectric detector 60 detects a tipping paper sheets 11
End margin, then when trailing edge occurs in the signal of photoelectric detector 60, photoelectric detector 60 detects the tipping paper sheets 11
Back edge.Then shaft encoder (such as incremental encoder) 50 is obtained in the signal rising edge of photoelectric detector 60 and trailing edge
Between export umber of pulse M0(as standard number).M0A length for normal tipping paper sheets 11 can be represented.The process can
To only need to carry out once, for example, carrying out the process in the first time installing present apparatus.
Next, being adjusted to one section of zone negative pressure of yew paper bowl.
(1) when shutting down, one section of zone negative pressure is made to keep constant, K0It is the initial opening of negative pressure adjustment equipment, such as 45 °.
If shaft encoder 50 is without output of pulse signal, show that machine is in stopped status, then make actual aperture K=K0。
(2) when machine runs, one section of zone negative pressure of real-time adjustment.N is corresponding to the permission deflected length of tipping paper sheets 11
Pulse signal quantity.K1For the single adjusted value of negative pressure adjustment equipment aperture (can be as foregoing predetermined aperture
Value).
If shaft encoder has output of pulse signal, machine is in running status, then：Shaft encoder 50 is obtained in real time
Between the rising edge and trailing edge of the signal of photoelectric detector 60 export pulse signal actual quantity M, then M can represent water
The real time length of the loose scraps of paper 11.
If 1) │ M-M0│≤N, then main control device determine that the length of tipping paper sheets 11 is normal, one section of zone negative pressure is suitable, this
When cause K=K, that is, keep the aperture of negative pressure adjustment equipment constant.
If 2) M-M0＞ N, then main control device determine that the length of tipping paper sheets 11 is long, one section of zone negative pressure causes greatly very much this
Kind of situation occurs, in being so that K=K-K1, that is, reduce one section of zone negative pressure.
If 3) M-M0＜-N, then main control device determine that the length of tipping paper sheets 11 is too short, one section of zone negative pressure is too small to be caused
This kind of situation occurs, in being so that K=K+K1, that is, increase one section of zone negative pressure.
In the above-described embodiments, the length of the tipping paper sheets after cutting is measured, when tipping paper sheets length is oversize, is reduced
One section of negative pressure in region, when tipping paper sheets length too in short-term, increase one section of negative pressure in region, thereby may be ensured that cutting after
Cork paper length stabilisation ensures cigarette quality in allowed band.
Present invention also offers a kind of rolling up and connecting machine, including：Foregoing tipping paper sheets device for detecting length.
Figure 12 is the flow chart of the tipping paper sheets length detecting method for showing root one embodiment of the invention.
In step S121, the rotating shaft of shaft encoder is connected with the power transmission shaft of yew paper bowl so that the shaft encoder with
Rotated with yew paper bowl, obtain the pulse signal of the shaft encoder.
In step S122, obtain and sent out when photoelectric detector detects the tipping paper sheets after being cut on yew paper bowl
The photoelectric detecting signal for sending.
In step S123, the pulse letter that shaft encoder is exported between the rising edge and trailing edge of photoelectric detecting signal is obtained
Number actual quantity M, and the shaft encoder acquired with when tipping paper sheets length is normal is in the rising of photoelectric detecting signal
The standard number M of the pulse signal exported between edge and trailing edge0It is compared, and cork paper length of a film is determined according to comparative result
Whether degree is normal.
In this embodiment, by obtaining what shaft encoder was exported between the rising edge and trailing edge of photoelectric detecting signal
The actual quantity of pulse signal, and with the shaft encoder acquired when tipping paper sheets length is normal in photoelectric detector signal
The standard number of the pulse signal exported between rising edge and trailing edge is compared, such that it is able to judge tipping paper sheets length
It is whether normal, realize to whether tipping paper sheets length normally detects.
In one embodiment, determine whether normal step can include tipping paper sheets length according to comparative result：If │ M-
M0│≤N, it is determined that the length of tipping paper sheets is normal；If M-M0＞ N, it is determined that the length of tipping paper sheets is long；If M-M0＜-N,
Then determine that the length of tipping paper sheets is too short；Wherein, N is the pulse signal quantity allowed corresponding to deflected length of tipping paper sheets.
In one embodiment, above-mentioned tipping paper sheets length detecting method can also include：Determine when according to comparative result
The actual aperture of negative pressure adjustment equipment is controlled to adjust when tipping paper sheets length is abnormal, to adjust the negative pressure in yew paper bowl, from
And adjust the length of tipping paper sheets.The embodiment can ensure that the cork paper length stabilisation after cutting in allowed band, is ensured
Cigarette quality.
In one embodiment, above-mentioned tipping paper sheets length detecting method can also include：It is determined that the length of tipping paper sheets
Keep the aperture of negative pressure adjustment equipment constant after degree is normal, so as to keep the negative pressure in yew paper bowl constant.In one embodiment
In, can be with the step of the aperture of negative pressure adjustment equipment is controlled to adjust when determining that tipping paper sheets length is abnormal according to comparative result
Including：It is determined that the length of tipping paper sheets it is long after control reduce negative pressure adjustment equipment aperture, so as to reduce in yew paper bowl
Negative pressure；Or it is determined that the length of tipping paper sheets it is too short after control increase negative pressure adjustment equipment aperture, so as to increase yew
Negative pressure in paper bowl.By adjusting the aperture of negative pressure adjustment equipment, the regulation to the negative pressure in yew paper bowl is realized, so that can
To adjust the length of tipping paper sheets, it is ensured that cigarette quality.
In one embodiment, negative pressure regulation is controlled to adjust when determining that tipping paper sheets length is abnormal according to comparative result
The step of aperture of equipment, can include：The actual aperture of negative pressure adjustment equipment is obtained in real time；And judge that the actual aperture is
It is no, if unequal, to control to adjust the actual aperture of negative pressure adjustment equipment equal to aperture is expected, until the actual aperture is adjusted
Save equal to the expectation aperture.Wherein, the expectation aperture is in order that the length for obtaining tipping paper sheets is adjusted to normal length institute
The aperture of the negative pressure adjustment equipment of needs.Realized the actual aperture of negative pressure adjustment equipment by closed-loop control in the embodiment
It is adjusted to expect the purpose of aperture.
In one embodiment, can be controlled to adjust by increasing or being sequentially reduced the control mode of predetermined opening value successively
The aperture of negative pressure adjustment equipment, so as to adjust the negative pressure in yew paper bowl.
In one embodiment, the negative pressure cavity of yew paper bowl can include：One section of negative pressure cavity and two sections of negative pressure cavities.This section
Suction function in negative pressure cavity is in the suction function in one section of region of yew paper bowl, two sections of negative pressure cavities in the two of yew paper bowl
Section region.Wherein, the negative pressure of required regulation is the negative pressure in one section of negative pressure cavity, and the negative pressure in two sections of negative pressure cavities is constant.This one
Section region is that uncut cork paper can be reached and can be by the surface region of the yew paper bowl of suction function, two sections of regions
It is can not being reached for uncut cork paper and can be by the surface region of the yew paper bowl of suction function.
Figure 13 is the flow chart of the tipping paper sheets length detecting method for showing root another embodiment of the present invention.
In step S1301, judge shaft encoder whether output pulse signal.If output, process enters step
S1302, else process enters step S1305.
In step S1302, the arteries and veins that shaft encoder is exported between the rising edge and trailing edge of photoelectric detector signal is obtained
Rush number M.
In step S1303, judge whether M meets │ M-M0│≤N.If it is, process enters step S1308, otherwise mistake
Journey enters step S1304.
In step S1304, judge whether M meets M-M0＞ N.If it is, process enters step S1307, else process
Into step S1306.
In step S1305 so that K=K0.That is, the aperture of negative pressure adjustment equipment is kept to be equal to initial opening.
In step S1306 so that K=K+K1.Increase the aperture of negative pressure adjustment equipment.
In step S1307 so that K=K-K1.Reduce the aperture of negative pressure adjustment equipment.
In step S1308 so that K=K.Keep the aperture of negative pressure adjustment equipment constant.
In step S1309, negative pressure adjustment equipment is controlled, actual aperture k is reached expectation aperture K.
In this embodiment, expectation aperture is reached by controlling the aperture of negative pressure adjustment equipment, thereby may be ensured that cutting
Cork paper length stabilisation afterwards ensures cigarette quality in allowed band.
So far, the present invention is described in detail.In order to avoid covering design of the invention, without description this area, institute is public
Some details known.Those skilled in the art can be appreciated how to implement technology disclosed herein as described above, completely
Scheme.
The method of the present invention and system may be achieved in many ways.For example, can by software, hardware, firmware or
Software, hardware, any combinations of firmware realize the method for the present invention and system.The said sequence of the step of for methods described
Order described in detail above is not limited to merely to illustrate, the step of the method for the present invention, it is special unless otherwise
Do not mentionlet alone bright.Additionally, in certain embodiments, also the present invention can be embodied as recording program in the recording medium, these programs
Including the machine readable instructions for realizing the method according to the invention.Thus, the present invention also covering storage is for performing basis
The recording medium of the program of the method for the present invention.
Although being described in detail to some specific embodiments of the invention by example, the skill of this area
Art personnel it should be understood that above example is merely to illustrate, rather than in order to limit the scope of the present invention.The skill of this area
Art personnel to above example it should be understood that can modify without departing from the scope and spirit of the present invention.This hair
Bright scope is defined by the following claims.
Claims (16)
1. a kind of tipping paper sheets device for detecting length, it is characterised in that including：
Shaft encoder, photoelectric detector and main control device；
The rotating shaft of the shaft encoder is connected with the power transmission shaft of yew paper bowl, and the shaft encoder follows the yew paper bowl to turn
It is dynamic, and send pulse signal to the main control device；
The photoelectric detector is used for when the tipping paper sheets after being cut on the yew paper bowl are detected, to the master control
Equipment sends photoelectric detecting signal；
The main control device is defeated between the rising edge and trailing edge of the photoelectric detecting signal for obtaining the shaft encoder
The actual quantity M of the pulse signal for going out, and the shaft encoder acquired with when tipping paper sheets length is normal is in light electric-examination
The standard number M of the pulse signal exported between the rising edge and trailing edge of surveying signal0It is compared, and it is true according to comparative result
Whether the fixed tipping paper sheets length is normal.
2. tipping paper sheets device for detecting length according to claim 1, it is characterised in that
If │ M-M0│≤N, then the main control device determine that the length of the tipping paper sheets is normal；
If M-M0＞ N, then the main control device determine that the length of the tipping paper sheets is long；
If M-M0＜-N, then the main control device determine that the length of the tipping paper sheets is too short；
Wherein, N is the pulse signal quantity allowed corresponding to deflected length of the tipping paper sheets.
3. tipping paper sheets device for detecting length according to claim 2, it is characterised in that also include：
Negative pressure adjustment equipment, the output end with the main control device is electrically connected, and is connected with the negative pressure cavity of the yew paper bowl；
Wherein, the main control device is adjusted when determining that the tipping paper sheets length is abnormal according to comparative result to the negative pressure
Section equipment sends control signal；The negative pressure adjustment equipment after the control signal is received, by adjusting the reality of itself
Aperture adjusts the negative pressure in the yew paper bowl, so as to adjust the length of the tipping paper sheets.
4. tipping paper sheets device for detecting length according to claim 3, it is characterised in that
The main control device it is determined that the length of the tipping paper sheets normally keeps the aperture of the negative pressure adjustment equipment constant afterwards,
So as to keep the negative pressure in yew paper bowl constant；
The main control device it is determined that after the length of the tipping paper sheets is long control reduce the aperture of the negative pressure adjustment equipment,
So as to reduce the negative pressure in the yew paper bowl；Or
The main control device it is determined that after the length of the tipping paper sheets is too short control increase the aperture of the negative pressure adjustment equipment,
So as to increase the negative pressure in the yew paper bowl.
5. tipping paper sheets device for detecting length according to claim 3, it is characterised in that
The negative pressure adjustment equipment includes：Metal tube, sheet metal, connecting rod, angular transducer, stepper motor and step motor control
Device；
Wherein, the diameter of the sheet metal less than the metal tube internal diameter, the sheet metal in the metal tube, the gold
The angle of category piece and the metal tube Sidelong portion is the aperture of the negative pressure adjustment equipment；
The controllor for step-by-step motor is electrically connected with the stepper motor, for controlling the stepper motor to rotate；The stepping
The rotating shaft of motor is connected by the connecting rod with the sheet metal；
The angular transducer is used to detect the rotational angle of connecting rod, so as to obtain the actual aperture of the negative pressure adjustment equipment,
And the actual aperture is sent to the main control device.
6. tipping paper sheets device for detecting length according to claim 5, it is characterised in that
The actual aperture of negative pressure adjustment equipment, judges the reality described in the main control device from the angular transducer real-time reception
Whether border aperture is equal to is expected aperture；If unequal, control signal is sent to the controllor for step-by-step motor；
The controllor for step-by-step motor controls the stepper motor to rotate, so as to control institute after the control signal is received
Sheet metal rotation is stated, the actual aperture of the negative pressure adjustment equipment is adjusted, until by the actual aperture regulation to equal to described
Expect aperture；
Wherein, it is described expect aperture be in order that the tipping paper sheets length be adjusted to it is described required for normal length
The aperture of negative pressure adjustment equipment.
7. tipping paper sheets device for detecting length according to claim 3, it is characterised in that
The main control device controls to adjust the negative pressure tune by increasing or being sequentially reduced the control mode of predetermined opening value successively
The aperture of section equipment, so as to adjust the negative pressure in the yew paper bowl.
8. tipping paper sheets device for detecting length according to claim 3, it is characterised in that
The negative pressure cavity of the yew paper bowl includes：One section of negative pressure cavity and two sections of negative pressure cavities；Negative pressure in one section of negative pressure cavity is made
For one section of region of the yew paper bowl, the suction function in two sections of negative pressure cavities is in two sections of areas of the yew paper bowl
Domain；
Wherein, the negative pressure of required regulation is the negative pressure in one section of negative pressure cavity, and the negative pressure in two sections of negative pressure cavities is constant.
9. a kind of rolling up and connecting machine, it is characterised in that including：Tipping paper sheets length detection as described in claim 1 to 8 any one
Device.
10. a kind of tipping paper sheets length detecting method, it is characterised in that including：
The rotating shaft of shaft encoder is connected with the power transmission shaft of yew paper bowl so that the shaft encoder follows the yew paper bowl
Rotate, obtain the pulse signal of the shaft encoder；
Obtain the light electric-examination transmitted when photoelectric detector detects the tipping paper sheets after being cut on the yew paper bowl
Survey signal；And
Obtain the reality of the pulse signal that the shaft encoder is exported between the rising edge and trailing edge of the photoelectric detecting signal
Border quantity M, and the shaft encoder acquired with when tipping paper sheets length is normal photoelectric detecting signal rising edge and
The standard number M of the pulse signal exported between trailing edge0It is compared, and the cork paper length of a film is determined according to comparative result
Whether degree is normal.
11. methods according to claim 10, it is characterised in that determine that the tipping paper sheets length is according to comparative result
No normal step includes：
If │ M-M0│≤N, it is determined that the length of the tipping paper sheets is normal；
If M-M0＞ N, it is determined that the length of the tipping paper sheets is long；
If M-M0＜-N, it is determined that the length of the tipping paper sheets is too short；
Wherein, N is the pulse signal quantity allowed corresponding to deflected length of the tipping paper sheets.
12. methods according to claim 11, it is characterised in that also include：
The actual aperture of negative pressure adjustment equipment is controlled to adjust when determining that the tipping paper sheets length is abnormal according to comparative result,
To adjust the negative pressure in yew paper bowl, so as to adjust the length of the tipping paper sheets.
13. methods according to claim 12, it is characterised in that
Methods described also includes：It is determined that the length of the tipping paper sheets normally keep the negative pressure adjustment equipment afterwards aperture not
Become, so as to keep the negative pressure in yew paper bowl constant；
The step of the aperture of negative pressure adjustment equipment is controlled to adjust when determining that the tipping paper sheets length is abnormal according to comparative result
Suddenly include：It is determined that after the length of the tipping paper sheets is long control reduce the aperture of the negative pressure adjustment equipment, so as to reduce
Negative pressure in the yew paper bowl；Or it is determined that controlling the increase negative pressure regulation to set after the length of the tipping paper sheets is too short
Standby aperture, so as to increase the negative pressure in the yew paper bowl.
14. methods according to claim 12, it is characterised in that when determining the tipping paper sheets length according to comparative result
The step of aperture that negative pressure adjustment equipment is controlled to adjust when abnormal, includes：
The actual aperture of the negative pressure adjustment equipment is obtained in real time；And
Judge whether the actual aperture is equal to and expect aperture, if unequal, control to adjust the negative pressure adjustment equipment
Actual aperture, until by the actual aperture regulation to equal to the expectation aperture；
Wherein, it is described expect aperture be in order that the tipping paper sheets length be adjusted to it is described required for normal length
The aperture of negative pressure adjustment equipment.
15. methods according to claim 12, it is characterised in that
Wherein, the negative pressure adjustment equipment is controlled to adjust by increasing or being sequentially reduced the control mode of predetermined opening value successively
Aperture, so as to adjust the negative pressure in the yew paper bowl.
16. methods according to claim 12, it is characterised in that
The negative pressure cavity of the yew paper bowl includes：One section of negative pressure cavity and two sections of negative pressure cavities；Negative pressure in one section of negative pressure cavity is made
For one section of region of the yew paper bowl, the suction function in two sections of negative pressure cavities is in two sections of areas of the yew paper bowl
Domain；
Wherein, the negative pressure of required regulation is the negative pressure in one section of negative pressure cavity, and the negative pressure in two sections of negative pressure cavities is constant.
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| CN201710011961.6A CN106743936B (en) | 2017-01-09 | 2017-01-09 | Tipping paper sheets device for detecting length, method and rolling up and connecting machine |
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| CN201710011961.6A CN106743936B (en) | 2017-01-09 | 2017-01-09 | Tipping paper sheets device for detecting length, method and rolling up and connecting machine |
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| CN110296726A (en) * | 2019-06-27 | 2019-10-01 | 武汉市海维鑫科技有限公司 | A kind of encoder apparatus |
| CN114370800A (en) * | 2021-12-31 | 2022-04-19 | 崇辉半导体(深圳)有限公司 | Alarm system is reminded to continuous electroplating production line material area soldered connection |
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