CN109570835A - Tab welding control system and tab welding equipment - Google Patents
Tab welding control system and tab welding equipment Download PDFInfo
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- CN109570835A CN109570835A CN201811464663.3A CN201811464663A CN109570835A CN 109570835 A CN109570835 A CN 109570835A CN 201811464663 A CN201811464663 A CN 201811464663A CN 109570835 A CN109570835 A CN 109570835A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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Abstract
The present invention provides a kind of tab welding control system and tab welding equipment, are related to power battery field.The tab welding control system includes: tab detection sensor, controller and welding position detection device, and tab detection sensor, welding position detection device are connected with controller；Tab detection sensor detects the tab on pole piece to be detected, generates and sends tab and detects signal to controller；Then controller detects signal according to tab and issues triggering command to welding position detection device, detects welding position detection device to the tab welding position on pole piece to be detected, generates and sends welding position data to controller；Subsequent controller is based on welding position data and generates welding position adjusted value, alleviates in the prior art by manual measurement, the problem that the degree of automation is not high, yield is low；It can be realized the purpose to tab welding Position automatic detection and control, improve the gentle yield of Automated water.
Description
Technical field
The present invention relates to power battery technology fields, set more particularly, to a kind of tab welding control system and tab welding
It is standby.
Background technique
One end of tab is equipped with sealant (sealant), and the tab with sealant, need to be with welding when being welded in pole piece
On the basis of reference line, at a distance from the sealant and pole piece edge of the tab after completing welding need to keep setting, and tab simultaneously
Side need to be kept at a distance from setting along with tab welding reference line, reach subsequent packaging technology to meet the battery core after the completion of winding
Requirement.There is direct influence in tab welding position on the quality of battery product.
At present, on the one hand, tab welding position often relies on manual measurement, therefore in up- coiler debugging process early period and
Intermediate tab welding position batch occur it is bad during, need to put into larger manpower and complete artificial survey to tab welding position
Amount, and according to measurement result, multiple associated mechanisms of equipment are regulated and controled according to debugging or operating experience, to solve tab weldering
Connect the undesirable situation in position.On the other hand, if exception occurs in tab welding position, because the mode of manual measurement cannot achieve to different
Normal real time monitoring and measuring and calculating in real time, be easy to cause the bulk bad generation of product, increases the cost of the manufacturing.
To sum up, the welding position detection and regulation of existing tab rely on artificial mode, and it is lower that there are automatization levels
And the problem of yield difference.Therefore, a set of perfect tab welding position detection and control method are needed to realize the weldering to tab
Connect the control of position.
Summary of the invention
In view of this, being controlled the purpose of the present invention is to provide a kind of tab welding control system and with the tab welding
The tab welding equipment of system, to realize the control to the welding position of tab.
In a first aspect, the embodiment of the invention provides a kind of tab welding control systems, comprising: tab detection sensor,
Controller and welding position detection device, the tab detection sensor, the welding position detection device and the controller
It is connected；
The tab detection sensor generates and sends tab detection for detecting to the tab on pole piece to be detected
Signal is to the controller；
The controller is used to generate and issue triggering command to the welding position according to tab detection signal and examine
Survey device；
The welding position detection device is used for according to the triggering command to the tab welding position on pole piece to be detected
It is detected, generates and sends welding position data to the controller；
The controller is used to generate welding position adjusted value according to the welding position data.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein institute
Stating welding position detection device is sensor group；
The sensor group includes first sensor and/or second sensor, and the first sensor is for obtaining tab
Lean out range data；The second sensor is used to obtain the welding range data of tab.
The possible embodiment of with reference to first aspect the first, the embodiment of the invention provides second of first aspect
Possible embodiment, wherein the first sensor be emission sensor, the second sensor be visual sensor or
Baseline sensor.
With reference to first aspect, the embodiment of the invention provides the third possible embodiments of first aspect, wherein institute
Stating tab detection sensor is emission sensor.
With reference to first aspect, the embodiment of the invention provides the 4th kind of possible embodiments of first aspect, wherein institute
Stating welding position detection device is vision inspection apparatus；
The vision inspection apparatus generates tab welding state characteristic image for take pictures according to the triggering command,
And the tab welding state characteristic image is sent to the controller.
With reference to first aspect, the embodiment of the invention provides the 5th kind of possible embodiments of first aspect, wherein institute
Controller is stated for obtaining the characteristic size in the welding position data；Tab and pole is calculated according to the characteristic size
The verticality at piece edge；Judge whether the verticality is in preset vertical degree threshold range；If it is determined that verticality is in pre-
If in verticality threshold range, then the characteristic size is labeled as the statistics characteristic size；The wherein characteristic size
Including leaning out range data and/or welding range data.
The 5th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides the 6th kind of first aspect
Possible embodiment, wherein the controller is also used to obtain multiple statistics characteristic sizes；Based on multiple systems
Meter obtains the first statistics parameter with characteristic size；Multiple statistics feature rulers are judged based on first statistics parameter
It is very little whether to meet coherence request；If first statistics parameter meets coherence request, used based on multiple statistics special
Sign size obtains the second statistics parameter；Characteristic size adjusted value is calculated based on second statistics parameter；Wherein institute
Stating characteristic size adjusted value includes leaning out apart from adjusted value and/or welding apart from adjusted value.
The 6th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides the 7th kind of first aspect
Possible embodiment, wherein the controller is also used to transfer statistical calculations with characteristic size based on multiple statistics
First statistics parameter is calculated in method, and the statistical calculations method includes standard deviation calculation method, variance yields
Calculation method or CPK value calculating method；Correspondingly, first statistics parameter includes standard deviation, variance yields or CPK value.
The 6th kind of possible embodiment with reference to first aspect, the embodiment of the invention provides the 8th kind of first aspect
Possible embodiment, wherein the controller is also used to transfer statistical calculations with characteristic size based on multiple statistics
Second statistics parameter is calculated in method, and the statistical calculations method includes weighted average value calculating method, reconciles
Mean value calculation method, geometric average value calculating method, trimming mean value calculation method, median calculation method it is any one
Kind；Correspondingly, second statistics parameter include weighted average, harmonic-mean, geometrical mean, trimming average value,
Any one of median.
Second aspect, the embodiment of the present invention also provide a kind of tab welding control equipment, comprising: tab welding mechanism and such as
Tab welding control system described in any one of first aspect and its possible embodiment.
In conjunction with second aspect, the embodiment of the invention provides the first possible embodiments of second aspect, wherein institute
Stating tab welding mechanism includes: that pole piece conveying assembly, tab cutting assembly, tab transport component, tab and send weldering component, welding group
Part；
Wherein, the pole piece conveying assembly is used to for pole piece to be detected being delivered at welding post etc. to be welded；The pole
Ear cutting assembly is for cutting tab item to obtain the tab for being soldered on the pole piece to be detected；The wherein tab item
It is equidistantly provided with multiple tab sealants in advance；Each tab has a tab sealant；The tab transports component and uses
In by tab to be welded be transported to the tab send weldering component default undertaking position；The tab send weldering component to be used for position
It is transmitted at the welding post in the default tab to be welded accepted at position；The weld assembly will be for that will be located at
On tab welding to be welded to the pole piece to be detected at the welding post.
In conjunction with the first possible embodiment of second aspect, the embodiment of the invention provides second of second aspect
Possible embodiment, wherein the pole piece conveying assembly includes the welding feeding motor being connected with the controller；
The tab cutting assembly includes blade；
It includes servo motor, the first screw rod being connected with the servo motor and described that the tab, which transports component,
The first screw rod sliding block that one screw rod is connected and the hand-off clamping jaw being arranged on the first screw rod sliding block；
It includes the tab feeding motor being connected with the controller that the tab, which send weldering component, electric with tab transfer
The second screw rod that machine is connected, the second screw rod sliding block being connected with second screw rod and setting are sliding in second screw rod
Weld clip pawl is sent on block；
The weld assembly includes soldering tip bracket and the soldering tip that is arranged on the soldering tip bracket.
The embodiment of the present invention brings following the utility model has the advantages that tab welding control system provided in an embodiment of the present invention, packet
Include: tab detection sensor, controller and welding position detection device, tab detection sensor, welding position detection device with
Controller is connected；It alleviates in the prior art by manual measurement, automatization level is not high, the low problem of yield, Neng Goushi
Now detecting and controlling to the welding position of tab, improves automatization level；In addition, the system can also be according to detecting pole
The welding position of ear, and calculate characteristic size adjusted value (difference between current value and a reference value), further adjust automatically
The tab of the pole piece transfer distance and tab feeding motor of welding feeding motor transfers distance, realizes adjust automatically welding position,
And subsequent tab can be carried out continuing detection and corrected, realize closed loop detection correction.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is that the embodiment of the invention provides the first structure diagrams of tab welding control system；
Fig. 2 is that the embodiment of the invention provides the first application scenario diagrams of tab welding control system；
Fig. 3 is that the embodiment of the invention provides the second structural schematic diagrams of tab welding control system；
Fig. 4 is that the embodiment of the invention provides the second application scenario diagrams of tab welding control system；
Fig. 5 is the welding requirements figure of tab sealant provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram of tab welding mechanism provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Currently, the welding position detection and regulation of existing tab rely on artificial mode, it is lower that there are automatization levels
And the problem of yield difference, it is based on this, a kind of tab welding control system and tab welding equipment provided in an embodiment of the present invention can
To alleviate the lower technical problem of automatization level existing in the prior art, automatization level and yield can be improved.
It is to be controlled a kind of tab welding disclosed in the embodiment of the present invention first convenient for understanding the present embodiment
System describes in detail.
Embodiment one:
As depicted in figs. 1 and 2, the embodiment of the invention provides a kind of tab welding control systems, comprising: tab detection passes
Sensor 10, controller 20 and welding position detection device 30, tab detection sensor 10, welding position detection device 30 and control
Device 20 is connected.
Wherein, tab detection sensor 10 generates and sends for detecting to the tab 52 on pole piece 51 to be detected
Tab detects signal to the controller 20；In other words, tab detection sensor 10 can detecte the tab on pole piece to be detected
Predetermined detection position whether is reached, when reaching detection position, tab is generated and sent and detects signal to controller 20；It should be noted that
, it is preset with welding reference line 53 on pole piece 51 to be detected, there is a plurality of welding reference line 53 on whole pole piece material strip；Each
Tab sealant 54 (abbreviation sealant, sealant) is previously provided on tab 52, tab sealant is Nian Jie with tab；And it is more
A tab interval pre-determined distance is welded on pole piece to be detected.
Controller 20, which is used to detect signal according to tab, generates and issues triggering command to welding position detection device；
Welding position detection device 30 is for examining the tab welding position on pole piece to be detected according to triggering command
It surveys, generates and sends welding position data to controller；Wherein, tab welding position refers to that tab is opposite with pole piece to be detected
Position；Welding position data include characterize tab welding state characteristic size, characteristic size include lean out range data and/or
Weld range data.
Controller 20 is also used to generate welding position adjusted value according to welding position data.
In the present embodiment, welding detection device is sensor group, and the sensor group is used for the triggering according to controller
Instruction acquisition tab leans out the welding range data of range data and/or tab, and is sent to the controller, by controller
Welding position adjusted value is generated according to the welding range data for leaning out range data and/or tab；
It should be pointed out that in other embodiments, welding position detection device can also be vision inspection apparatus.
Further, sensor group includes first sensor 301 and/or second sensor 302；Wherein, first sensor
Range data is leant out for obtain tab；Second sensor is used to obtain the welding range data of tab.
Optionally, the first sensor is emission sensor, and the second sensor is visual sensor or baseline
Sensor.It should be understood that when second sensor is visual sensor, including ccd image sensor is taken pictures and is passed through
Image procossing acquires the welding range data of tab.
In the present embodiment, sensor group includes first sensor 301 and second sensor 302, and first sensor is to penetrating
Formula photoelectric sensor, second sensor are baseline sensor.
Specifically, first sensor includes transmitting terminal 3011 and receiving end 3012 corresponding with transmitting terminal, wherein emitting
End issues the light (referred to as wide light) of predetermined width, and when clear between transmitting terminal and receiving end, wide light can have no to block
Arrival receiving end, when, there are when barrier, breaking the barriers and blocked to wide light between transmitting terminal and receiving end, it can be deduced that
The shape information (including dimension information) of barrier；Based on the above principles, first sensor can be by judging that wide light is blocked
Width the range data that leans out of tab is detected.Second sensor is baseline sensor, in use, tab detection sensing
For device for detecting whether tab reaches detection position, baseline sensor reaches tab inspection for detecting baseline, by record tab
At the time of surveying sensor, at the time of baseline reaches baseline sensor, forward speed, the peace of tab detection sensor in conjunction with pole piece
The installation site of holding position and baseline sensor come obtain welding range data.
Further, after receiving welding position data, controller is for obtaining the spy for including in the data of welding position
Size is levied, i.e., extracts characteristic size from the data of welding position；Tab and pole piece edge is calculated according to this feature size
Verticality；Judge whether verticality is in preset vertical degree threshold range；If it is determined that the verticality is in preset vertical
It spends in threshold range, is then statistics characteristic size by this feature dimension mark；Wherein characteristic size includes leaning out range data
Or welding range data；Here multiple statistics are by welding to multiple tabs on pole piece to be detected with characteristic size
What position detection obtained, wherein the characteristic size in each tab welding position data meets verticality requirement.
Further, controller is also used to generate weld size adjusted value according to multiple statistics characteristic sizes.
Specifically, controller is also used to obtain multiple statistics characteristic sizes；It is obtained based on multiple statistics with characteristic size
First statistics parameter；Judge whether multiple statistics characteristic sizes meet coherence request based on the first statistics parameter；If
Meet coherence request, obtains the second statistics parameter with characteristic size based on multiple statistics；Joined based on second statistics
Characteristic size adjusted value is calculated in number；Wherein characteristic size adjusted value includes leaning out to adjust apart from adjusted value and/or welding distance
Whole value.
In the present embodiment, controller is also used to transfer statistical calculations method with characteristic size based on multiple statistics and calculate
To the first statistics parameter, statistical calculations method here includes standard deviation calculation method, variance value calculating method or CPK
Value calculating method；Correspondingly, first statistics parameter includes standard deviation, variance yields or CPK value.
Controller, which is also used to transfer statistical calculations method with characteristic size based on multiple statistics, is calculated the second statistics
Parameter is learned, statistical calculations method herein includes weighted average value calculating method, harmonic average value calculating method, geometric average
Any one of value calculating method, trimming mean value calculation method, median calculation method；Correspondingly, the second statistics parameter
Including any one of weighted average, harmonic-mean, geometrical mean, trimming average value, median.
Tab welding control system provided in an embodiment of the present invention, comprising: tab detection sensor, controller and welding position
Detection device is set, tab detection sensor, welding position detection device are connected with controller；It alleviates and relies in the prior art
Manual measurement, automatization level is not high, and the low problem of yield can be realized the detection to the welding position of tab, improves certainly
Dynamicization is horizontal.
Embodiment two:
As shown in Figure 3 and Figure 4, the embodiment of the invention provides a kind of tab welding control systems, comprising: tab detection passes
Sensor 10, controller 20 and vision inspection apparatus 30, tab detection sensor 10, vision inspection apparatus 30 and the controller 20
It is connected.
Optionally, tab detection sensor 10 can be reflection sensor or correlation photoelectric sensor；The present embodiment
In, tab detection sensor 10 be correlation photoelectric sensor, based on optical detection principle can detecte tab whether reach it is pre-
Regular inspection location is set；Vision inspection apparatus 30 is CCD vision inspection apparatus, and CCD vision inspection apparatus includes light source 31 and CCD camera
32；Wherein 31 face tab 52 of light source irradiates；Light source 31 can be used for that CCD camera is assisted to shoot tab, so that CCD phase
Function preferably collects tab welding state characteristic image, 20 pairs of collected tab welding states of institute of controller convenient for after
Characteristic image is handled, is analyzed.
Tab detection sensor 10 generates and sends tab inspection for detecting to the tab 52 on pole piece 51 to be detected
Signal is surveyed to controller 20.
Specifically, tab detection sensor 10 detects the tab 52 on pole piece 51 to be detected, tab detection is generated
Signal, and tab detection signal is sent to controller 20；Wherein there is on whole pole piece material strip a plurality of welding reference line 53；Often
Tab sealant 54 is previously provided on a tab 52, tab sealant is Nian Jie with tab；And multiple tab intervals pre-determined distance
It is welded on pole piece to be detected；A tab and a tab welding reference line are only schematically illustrated in Fig. 4.It may be noted that
, after a tab 52 is welded to pole piece 51 to be detected by tab welding mechanism, the tab welding control system is i.e. to the pole
Ear is detected.
Controller 20, which is used to detect signal according to tab, generates and issues triggering command to vision inspection apparatus 30.
Specifically, controller detects signal according to the tab sent from tab detection sensor received, pole is determined
Ear reaches the time of the default range of taking pictures of vision inspection apparatus 30；Controller generates and sends triggering command to vision-based detection and fills
30 are set, so that vision inspection apparatus 30 is taken pictures, wherein by combining vision inspection apparatus 30 and tab detection sensor 10
Mounting distance and pole piece transmission speed judge when tab can reach vision inspection apparatus within sweep of the eye,
Such as 2s reaches vision inspection apparatus within sweep of the eye after the sending trigger signal of tab detection sensor 10.
Vision inspection apparatus 30 generates tab welding state characteristic image for take pictures according to triggering command, and by pole
Ear welded condition characteristic image is sent to controller 20.
Above-mentioned tab welding state characteristic image be include tab, sealant, pole piece, the welding reference line on pole piece
Image, i.e. controller can identify tab, sealant, the welding benchmark on pole piece by the tab welding state characteristic image
Relative positional relationship between line and tab and pole piece, tab and sealant, sealant and pole piece；Fig. 5 may act as one
Open tab welding state characteristic image.
Controller 20 is also used to obtain the characteristic size in tab welding state characteristic image；It is calculated according to characteristic size
To the verticality of tab and pole piece edge；Judge whether above-mentioned verticality is in preset vertical degree threshold range；If it is determined that
Verticality is in preset vertical degree threshold range, then tab welding state characteristic image is labeled as statistics tab welding shape
State characteristic image；Above-mentioned verticality threshold range can be configured according to actual process demand, and the present embodiment is not made specifically
It limits.
Wherein, features described above size includes leaning out range data and/or welding range data；It indicates to visit referring to Fig. 5, a and b
Range data out, c and d indicate welding range data；Specifically, a or b indicates sealant to the distance at pole piece edge, below letter
It is known as leaning out distance；C or d indicates tab to the distance of welding reference line, hereinafter referred to as welding distance；In actually detected, a
The lower-left marginal point of sealant can be taken to the vertical range of pole piece, b can take the bottom right edge point of sealant hanging down to pole piece
Straight distance；C can take tab upper right edge to the vertical range of welding reference line, the right side that d can take tab to intersect with pole piece
Vertical range of the point at edge to welding reference line；In Fig. 5, welding reference line is usually a coating layer and non-painting on pole piece
The line of demarcation of layer of cloth.
It should be noted that a, b, c, d here is size requirement, quality requirement is equal to size requirement, i.e. quality
It is required that can require to characterize by size, therefore a and b or c and d can characterize welding quality；If a and b it is unequal and
It is required beyond technique or c and d is unequal and requires beyond technique, be equal to tab inclination.
Above-mentioned characteristic size (a, b or c, d) is used to calculate the verticality for obtaining tab and pole piece edge；This feature size
It can directly be indicated in the form of pixel data；It should be noted that can also by controller by pixel data combine take pictures away from
After being converted into actual range, characteristic size is indicated in the form of actual range.
In view of tab welding state characteristic image be not necessarily it is horizontal, for the ease of controller obtain tab welding state
The characteristic size of characteristic image, controller obtain tab welding state feature after obtaining tab welding state characteristic image
Before characteristic size in image, controller is also used to carry out image procossing to tab welding state characteristic image.
Specifically, entire picture is adjusted to horizontality by controller, i.e. whole image is done rotational correction and obtained by controller
To the tab welding state characteristic image of level correction, then controller is according to the tab welding state feature by image procossing
Image acquires measurement data, which includes characteristic size, in order to which controller is according to characteristic size
Verticality is calculated.
Controller identifies position (profile) and/or the angle of tab and sealant using image recognition technology, for example including
The position for two points that four vertex positions, the tab of four vertex positions, sealant that identify tab intersect with pole piece.
It is required when a and b is unequal and requires beyond technique or c and d is unequal and exceeds technique, is equal to tab
Inclination, i.e., verticality is not in preset vertical degree threshold range, that is to say, that verticality is exceeded.
If verticality is in preset vertical degree threshold range, tab welding state characteristic image is labeled as by controller
Statistics tab welding state characteristic image.
If verticality is not in preset vertical degree threshold range, controller export prompt information, such as controller with
The form output prompt information of text prompts operator to carry out manual intervention to human-computer interaction interface；Wherein human-computer interaction circle
Face is connected with controller.
Controller 20 is also used to be obtained according to multiple statistics tab welding state characteristic image statistics characteristic sizes special
Levy size adjusting value.
Specifically, controller 20 can be according to the characteristic size in statistics tab welding state characteristic image described in multiple
Statistical analysis is carried out, to obtain characteristic size adjusted value.Here the statistics quantity root of tab welding state characteristic image
It is chosen according to demand (such as precision, technique), this embodiment is not limited.
In the present embodiment, controller is for obtaining multiple statistics tab welding state characteristic images；Based on multiple statistics
The first statistics parameter is obtained with the characteristic size in tab welding state characteristic image；Judged based on the first statistics parameter more
Whether the characteristic size in Zhang Tongji tab welding state characteristic image meets coherence request；If the first statistics parameter is full
Sufficient coherence request obtains the second statistics ginseng with the characteristic size in tab welding state characteristic image based on multiple statistics
Number；Characteristic size adjusted value is calculated based on the second statistics parameter；
Wherein above-mentioned first statistics parameter is used to analyze the feature in multiple statistics tab welding state characteristic images
The consistency of size；Second statistics parameter is for calculating characteristic size adjusted value；Characteristic size adjusted value includes leaning out distance
Adjusted value and/or welding are apart from adjusted value.
When it is implemented, controller is used for based on characteristic size tune of multiple statistics in tab welding state characteristic image
Take statistical calculations method that the first statistics parameter is calculated, above-mentioned statistical calculations method includes standard deviation calculating side
Method, variance value calculating method or CPK value calculating method；Correspondingly, first statistics parameter includes standard deviation, variance yields
Or CPK value.
It should be noted that CPK value, standard deviation and variance yields may be used solely to judge multiple statistics tabs
The consistency of characteristic size in welded condition characteristic image, predetermined threshold range correspond to the first statistics parameter difference without
Together, when such as the first statistics parameter is CPK value, corresponding predetermined threshold range is the predetermined threshold range of CPK value；First system
When meter parameter is standard deviation, corresponding predetermined threshold range is the predetermined threshold range of standard deviation.
Usual CPK value can preferably react the consistent of the characteristic size in multiple statistics tab welding state characteristic images
Property；But for general technology requirement, standard deviation and variance yields its as consistent degree judgment criteria when can also meet the requirements,
And the convenience of calculation of standard deviation and variance yields, variance yields are squares of standard deviation, so selecting mark in general practical application
Quasi- difference is as the first statistics parameter.
In the case where technique is more demanding, in order to improve the feature in multiple statistics tab welding state characteristic images
The accuracy of the consistency judgement of size when the first statistics parameter includes standard deviation or variance yields, can calculate standard deviation
Before value or variance yields, normal distribution system is carried out with the characteristic size in tab welding state characteristic image to multiple statistics in advance
Meter, to understand the dispersion degree of the characteristic size in multiple statistics tab welding state characteristic images.In general, to multiple statistics
When carrying out normal distribution statistical with the characteristic size in tab welding state characteristic image, controller can obtain multiple statistics poles
The normal distribution situation of characteristic size in ear welded condition characteristic image；By judging that multiple statistics tab welding states are special
Whether the normal distribution situation of characteristic size in sign image meets preset requirement, with decide whether to carry out to calculate standard deviation or
Variance yields.Wherein, holding for normal distribution statistical is carried out with the characteristic size in tab welding state characteristic image to multiple statistics
Row process may is that characteristic size (such as leaning out distance) standard value is nearby separated several sections in advance by controller, each
The preset quantity range in section；It is dropped into respectively by counting multiple statistics with the characteristic size in tab welding state characteristic image
The quantity in a section, and multiple statistics that statistics obtains are dropped into respectively with the characteristic size in tab welding state characteristic image
The quantity in a section is compared with the preset quantity range of respective bins respectively, judges multiple statistics tab welding shapes with this
Whether the normal distribution situation of the characteristic size in state characteristic image meets preset requirement.For example, leaning out criterion distance value and being
2cm chooses 1cm-3cm and is divided into 20 sections, a quantitative range is preset in each section (in general, near leaning out
The quantity fallen into the section of criterion distance value is The more the better, and the fewer the quantity fallen into close to the section of 1cm or 3cm the better), system
Count the quantity that multiple statistics respectively fall in 20 sections with the characteristic size in tab welding state characteristic image, and with each area
Between preset quantity range compare, to judge the normal state of the characteristic size in multiple statistics tab welding state characteristic images
Whether distribution situation meets preset requirement.Specifically, if characteristic size of multiple statistics in tab welding state characteristic images
Normal distribution situation meet preset requirement, carried out based on multiple statistics with the characteristic size in tab welding state characteristic image
Statistical analysis obtains the first statistics parameter；If characteristic size of multiple statistics in tab welding state characteristic images
Normal distribution situation does not meet preset requirement, exports unstable information；Wherein, unstable information can be with text either alarm
Etc. forms shown.
It, can also be in standard deviation or variance yields as first for the purposes of the consistency of further comprehensive descision characteristic size
Statistics parameter, and when consistent degree is in predetermined threshold range, it further can be in conjunction with referring to multiple statistics tab welding shapes
The weighted average of characteristic size in state characteristic image, harmonic-mean, geometrical mean, trimming average value, in median
One or more whether meet coherence request.
When characteristic size includes leaning out range data, the first statistics parameter can pass through following modes one or mode
Two realize:
Mode one, controller according in multiple statistics tab welding state characteristic images lean out range data a (or
B) statistical analysis is carried out, obtains multiple the first statistics parameters for leaning out range data a (or b), such as utilize above-mentioned system
Multiple the first statistics parameters for leaning out range data a (or b) are calculated in at least one that meter learns calculation method.
Mode two, controller according in multiple statistics tab welding state characteristic images lean out range data a and b into
Row statistical analysis calculates multiple average value X for leaning out range data a and b, using X as the characteristic parameter of statistics first
Statistical analysis is carried out, obtains the first statistics parameter of multiple characteristic parameter X；Such as utilize above-mentioned statistical calculations method
At least one the first statistics parameter that multiple characteristic parameter X are calculated.
When characteristic size includes welding range data, the first statistics parameter can pass through following modes three or mode
Four realize:
Mode three, controller according to multiple statistics in tab welding state characteristic image welding range data c (or
D) statistical analysis is carried out, obtains the first statistics parameter of multiple welding range data c (or d)；Such as utilize above-mentioned system
The first statistics parameter of multiple welding range data c (or d) is calculated in at least one that meter learns calculation method.
Mode four, controller according to multiple statistics with the welding range data c and d in tab welding state characteristic image into
Row statistical analysis calculates the average value Y of multiple welding range data c and d, using Y as the characteristic parameter of statistics first
Statistical analysis is carried out, obtains the first statistics parameter of multiple characteristic parameter Y；Such as utilize above-mentioned statistical calculations method
At least one the first statistics parameter that multiple characteristic parameter Y are calculated.
In the present embodiment, controller passes through the statistics to multiple statistics with the characteristic size of tab welding state characteristic image
Credit analysis, obtains the first statistics parameter；
Controller judges the feature ruler in multiple statistics tab welding state characteristic images based on the first statistics parameter
It is very little whether to meet coherence request；
When it is implemented, controller can pass through the first statistics parameter that will obtain and corresponding predetermined threshold range
It is compared, to judge the consistency of the characteristic size in multiple statistics tab welding state characteristic images.
For example, controller can by CPK value and the predetermined threshold range of corresponding CPK value in the first statistics parameter into
Row compares, or the variance yields in the first statistics parameter is compared with the predetermined threshold range of variance yields, more to judge
The consistency of characteristic size of the Zhang Tongji in tab welding state characteristic image；If the parameter value in the first statistics parameter
(CPK value or standard deviation or variance yields) is in predetermined threshold range, determines multiple statistics tab welding state characteristic patterns
Characteristic size as in meets consistency technological standards, and controller is based on multiple statistics in tab welding state characteristic image
Characteristic size obtains the second statistics parameter；If the parameter value in the first statistics parameter is not in predetermined threshold range,
Determine that multiple statistics are unsatisfactory for technological standards, controller output prompt letter with the characteristic size in tab welding state characteristic image
Breath is to prompt operator.
When meeting coherence request, controller is also used to based in multiple statistics tab welding state characteristic images
Characteristic size transfers statistical calculations method and the second statistics parameter is calculated, and the statistical calculations method includes that weighting is flat
Average calculation method, harmonic average value calculating method, geometric average value calculating method, trimming mean value calculation method, median
Any one of calculation method；Correspondingly, second statistics parameter includes that weighted average, harmonic-mean, geometry are flat
Any one of mean value, trimming average value, median.
It should be pointed out that in consistency checking, meets in the first statistics parameter used in coherence request and include
When having the second statistics parameter, then relevant parameter value is extracted from the first statistics parameter as the second statistics parameter；Example
It, then can be directly using the median as the second statistics parameter, in terms of saving as included median in the first statistics parameter
Evaluation time and computing resource, improve efficiency.
Controller is based on the second statistics parameter and characteristic size adjusted value is calculated.
Specifically, the second statistics parameter and preset reference value make poor by controller, characteristic size tune is calculated
Whole value.For example, the median that selection leans out distance is poor with a reference value work for leaning out distance, the adjusted value for leaning out distance is obtained；Choosing
It is poor that a reference value of the median and welding distance that take welding distance is made, and obtains the adjusted value of welding distance.
Further, the tab welding control system further include: the feeding motor 40 being connected with controller 20.
Controller 20 is also used to control feeding motor 40 according to the characteristic size adjusted value and be moved, to subsequent pole
Ear welding is controlled.Here subsequent tab will be welded on the tab on the pole piece to be detected after referring to.
Specifically, controller 20 generates control instruction according to features described above size adjusting value, and the control instruction is sent
To mobile motor 40；Mobile motor 40 is moved according to the control instruction.
It include leaning out apart from adjusted value and/or welding apart from adjusted value, correspondingly, the shifting in view of characteristic size adjusted value
Power transmission machine includes welding feeding motor 41 and tab feeding motor 42.Wherein, tab feeding motor 42 leans out distance for adjusting,
Feeding motor 41 is welded for adjusting welding distance.
Specifically, controller is leant out apart from adjusted value and/or welding according to calculated apart from adjusted value, adjust automatically weldering
The pole piece transfer distance of feeding motor and the tab transfer distance of tab feeding motor are connect, can be realized the subsequent tab of adjust automatically
Welding position achievees the purpose that correction.
For example, consistency judgement is carried out according to the characteristic size of preceding 10 tabs on pole piece to be detected, if meeting consistent
Property require, the adjusted value for leaning out distance and/or welding distance is calculated, according to the adjusted value to the feature of intermediate 10 tabs
Size is adjusted；Then, consistency judgement is carried out to the characteristic size of intermediate 10 tabs, if meeting coherence request, meter
The new adjusted value for leaning out distance and/or welding distance is calculated, according to the new adjusted value to the characteristic size of rear 10 tabs
It is adjusted ..., completion is persistently detected and corrected to subsequent tab, is realized automated closed-loop detection and is corrected.
In the present embodiment, controller adjust automatically welds the pole of pole piece the transfer distance and tab feeding motor of feeding motor
Ear transfer distance, realize adjust automatically tab welding position, and the position based on feeding motor adjusted to subsequent tab into
Closed loop detection correction is realized in the lasting detection of row and correction.
Tab welding control system provided in an embodiment of the present invention alleviates in the prior art by manual measurement, automation
Horizontal not high, the low problem of yield can be realized the detection and adjustment to the welding position of tab, improve automatization level；
In addition, the system can also be according to detecting the welding position of tab, and calculate characteristic size adjusted value (current value and benchmark
Difference between value), the pole piece transfer distance of further adjust automatically welding feeding motor and the tab of tab feeding motor move
Distance is sent, realizes adjust automatically welding position, and subsequent tab can be carried out continuing detection and corrected, realizes that closed loop detection is mended
Just.
Embodiment three:
The embodiment of the invention provides a kind of tab welding equipment, comprising: tab welding mechanism and such as above-mentioned tab weld
Connect position detecting system.
Pole piece to be detected, which is set in advance on the tab welding mechanism, waits tab welding, then tab welding position detection
System carries out welding position detection to the tab being welded on pole piece to be detected and position adjusts..
Specifically, the tab welding mechanism includes: pole piece conveying assembly, tab cutting assembly, tab transport component, tab
Send weldering component, weld assembly；Wherein, pole piece conveying assembly is used to pole piece to be detected being delivered to 81 (weld assembly of welding post
Corresponding position) at etc. it is to be welded；Tab cutting assembly to tab item for cutting to obtain for being soldered to pole piece to be detected
On tab, wherein tab item is equidistantly provided with multiple tab sealants in advance, and each tab has a tab sealant；
Tab transports component and is used to for tab to be welded being transported to the default undertaking position that tab send weldering component；The default undertaking position
It can be arranged and adjust according to demand, such as send weldering component tune by tab transport component or tab according to characteristic size adjusted value
It is whole；Tab send weldering component to be used to be located at the default tab to be welded accepted at position and is transmitted at welding post；Welding group
Part will be for that will be located at the tab welding to be welded at welding post to pole piece to be detected；It repeats, realizes at interval of pre-
If on one tab to the pole piece of welding；It should be pointed out that tab welding mechanism is by a tab welding to be detected
After pole piece, the tab welding control system of the tab welding equipment detects the tab.
Referring to Fig. 6, pole piece conveying assembly includes the welding feeding motor 41 being connected with controller；Tab cutting assembly packet
Include blade 56；Tab transports the first screw rod 62 and the first screw rod that component includes servo motor 61, is connected with servo motor 61
62 the first screw rod sliding blocks 63 being connected and the hand-off clamping jaw 64 being arranged on the first screw rod sliding block 63；Tab send weldering group
Part includes the tab feeding motor 42 being connected with controller, the second screw rod 71 being connected with tab feeding motor 42, with the
The second screw rod sliding block 72 that two screw rods 71 are connected and it is arranged on the second screw rod sliding block 72 and send weld clip pawl 74；Weld assembly
Including soldering tip bracket 83 and the soldering tip being arranged on soldering tip bracket 83 82.
The tab is welded so that the welding position detection device of tab welding control system is vision inspection apparatus as an example below
The course of work for connecing equipment is briefly described:
In use, the tab welding equipment includes following two process:
One, welding process:
1, pole piece 51 to be detected is transplanted on the welding below weld assembly by the welding feeding motor 41 of pole piece conveying assembly
It is to be welded at station etc.；
2, the blade 56 of tab cutting assembly cuts tab item and obtains tab 52 to be welded；It should be pointed out that cutting
When, the hand-off clamping jaw 64 that tab transports component is moved to the cutting position of tab cutting assembly shown in figure first, then
Tab 52 is gripped using hand-off clamping jaw 64, is finally cut by blade 56；
3, the servo motor 61 that tab transports component drives the first screw rod sliding block 63 by the first screw rod 62, and then drives and set
Tab 52 to be welded is transported to the undertaking position that tab send weldering component by the hand-off clamping jaw 64 set on the first screw rod sliding block 63
Place；
4, tab send the tab feeding motor 42 of weldering component to drive the second screw rod sliding block 72, and then band by the second screw rod 71
Dynamic be arranged on the second screw rod sliding block 72 by bracket 73 send weld clip pawl 74 to be transplanted on the tab 52 accepted at position is located at
At the welding post 81 of weld assembly；
5, the soldering tip 82 of weld assembly being arranged on soldering tip bracket 83 welds the tab 52 being located at welding post 81
On to pole piece 51 to be detected.
It should be pointed out that hand-off clamping jaw 64 in the present embodiment and to send weld clip pawl 74 be preferably Pneumatic clamping jaw, and in gas
It is correspondingly arranged clamping jaw ontology on the output end of dynamic clamping jaw, as a result, under the driving effect of Pneumatic clamping jaw, is realized by clamping jaw ontology
The clamping of tab.It is, of course, also possible to take other clamp structures, as long as can be realized clamping function, do not make herein specific
Limitation.
Two, tab position detecting process:
Step 1: tab detection sensor (emission sensor) detects tab, and it will test signal and feed back to
Controller triggers the CCD of CCD vision inspection apparatus after controller judges that tab enters CCD field range according to detection signal
Camera is taken pictures, to obtain tab welding state characteristic image.
Step 2: controller carries out image procossing to the tab welding state characteristic image obtained, photo is detected
The correlated characteristic of middle product obtains measurement data.Mainly comprise the processes of position and the angle of identification tab and sealant；It will
At horizontality, i.e. whole image does rotational correction and obtains level correction image for entire picture correction relevant to characteristic size；
Calculating leans out range data, calculates welding range data, calculates the verticality of tab and pole piece edge.
Step 3: controller enters the statistical analysis of following steps to testing result sequence.
1) controller judges whether verticality is in technique according to the tab detected and the verticality at pole piece edge first
In the preset vertical degree threshold range of standard, if so, judgement is qualified, tab welding state characteristic image is used labeled as statistics
Tab welding state characteristic image, and it is used for the statistical analysis of next step, if it is not, then judging unqualified, prompt operator
It needs to carry out manual intervention, adjusts the verticality of tab welding.
2) the tab welding state characteristic image that controller Continuous plus goes out that multiple meet verticality requirement leans out distance
Data carry out statistical analysis: leaning out range data in multiple statistics tab welding state characteristic images in advance first
Normal distribution statistical is carried out, to understand the discrete journey for leaning out range data in multiple statistics tab welding state characteristic images
Degree；After dispersion degree meets the requirements, calculates and lean out followed by the standard deviation calculation method in statistical calculations method
Standard deviation (SIGMA) value of range data, to analyze the consistency for leaning out range data；Weighted average can also finally be utilized
Calculation method, harmonic average value calculating method, geometric average value calculating method, trimming mean value calculation method, median calculate
Other statistical calculations methods such as method calculate the weighted average for leaning out distance, harmonic-mean, geometrical mean, trimming
One or more of average value, median, it is using above-mentioned statistical calculations method calculated as a result, being set with corresponding
Data consistency threshold value compares, if consistency reaches requirement, into statistics operation is continued in next step, if consistency
It not up to requires, then reminds operator that current production status plays pendulum, check reason to operator.
It should be pointed out that the judgement about the consistency for leaning out range data is including but not limited to using above-mentioned statistics
Learn calculation method.
3) controller judgement leans out range data state and is in the state that consistency reaches requirement, utilizes weighted average
Calculation method, harmonic average value calculating method, geometric average value calculating method, trimming mean value calculation method, median calculate
Weighted average, harmonic-mean, geometrical mean, trimming average value, middle position is calculated in the statistical calculations method such as method
Any one numerical value in value, is compared with a reference value of corresponding process stipulation, and subtraction calculations go out to lean out apart from adjusted value.
4) controller Continuous plus goes out the welding distance for the tab welding state characteristic image that multiple meet verticality requirement
Data carry out statistical analysis: first in advance to welding range data of multiple statistics in tab welding state characteristic image
Normal distribution statistical is carried out, to understand the discrete journey of the welding range data in multiple statistics tab welding state characteristic images
Degree；After dispersion degree meets the requirements, welding is calculated followed by the standard deviation calculation method in statistical calculations method
Standard deviation (SIGMA) value of range data, to analyze the consistency of welding range data；Weighted average can also finally be utilized
Calculation method, harmonic average value calculating method, geometric average value calculating method, trimming mean value calculation method, median calculate
Other statistical calculations methods such as method calculate the weighted average of welding distance, harmonic-mean, geometrical mean, trimming
One or more of average value, median, it is using above-mentioned statistical calculations method calculated as a result, being set with corresponding
Data consistency threshold value compares, if consistency reaches requirement, into statistics operation is continued in next step, if consistency
It not up to requires, then reminds operator that current production status plays pendulum, check reason to operator.
Likewise, the judgement of the consistency about welding range data is including but not limited to using above-mentioned statistical calculations
Method.
5) controller determines that welding range data state is in the state that consistency reaches requirement, utilizes weighted average
Calculation method, harmonic average value calculating method, geometric average value calculating method, trimming mean value calculation method, median calculate
The statistical calculations method such as method calculates weighted average, harmonic-mean, geometrical mean, trimming average value, median
In any one numerical value, be compared with a reference value of process stipulation, subtraction calculations go out weld apart from adjusted value.
Step 4: controller is leant out apart from adjusted value and welding according to third step is calculated apart from adjusted value, it is automatic to adjust
The pole piece transfer distance of whole welding feeding motor and the tab of tab feeding motor transfer distance, realize the subsequent tab of adjust automatically
The purpose of welding position.
Step 5: controller is persistently detected and corrected to subsequent tab, a closed loop detection correcting system is realized.
It should be noted that above-mentioned two process is to be automatically performed under the control of the controller, i.e., whole process automates
Processing is not necessarily to human intervention.It most can timely found the abnormal situation by the system, and do respective handling, avoid batch
The bad generation of property, improves yield, the consistency of the welding of tab sealant is strengthened, and quality is promoted.
The operating principle that welding feeding motor and tab feeding motor are adjusted welding position below with reference to Fig. 6 into
Row explanation:
Welding feeding motor 41 is located at the front side of the welding post 81 of welding mechanism, is controlled by controller, described in control
Pole piece is with respect to the lateral transfer distance of the welding position of welding post, and tab feeding motor 42 is located at the side of pole piece, to control
Tab processed is sent into pole piece direction is placed in pole piece top side in turn along the longitudinal direction, weld assembly (including soldering tip 82, soldering tip bracket
83) it is set to the top side of tab, and tab is welded in the top side of pole piece at welding post.
Feeding motor is welded by the control to pole piece with respect to the transfer distance of welding position, realization is to welding base on pole piece
The control of the relative position of directrix and welding position, to realize the tune of the relative position between tab and tab welding reference line
It is whole, that is, it realizes and welding distance is adjusted.
Longitudinal be sent into distance of the tab feeding motor to tab with respect to pole piece is adjusted, and then controls tab sealant
Lean out distance.
Tab welding equipment provided in an embodiment of the present invention has with tab welding control system provided by the above embodiment
Identical technical characteristic reaches identical technical effect so also can solve identical technical problem.
The technical effect of tab welding equipment provided by the embodiment of the present invention, realization principle and generation and aforementioned tab
Welding control system embodiment is identical, and to briefly describe, apparatus embodiments part does not refer to place, can refer to aforementioned system implementation
Corresponding contents in example.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (12)
1. a kind of tab welding control system characterized by comprising tab detection sensor, controller and welding position inspection
Device is surveyed, the tab detection sensor, the welding position detection device are connected with the controller；
The tab detection sensor generates and sends tab detection signal for detecting to the tab on pole piece to be detected
To the controller；
The controller is used to detect signal according to the tab and generates and issues triggering command to welding position detection dress
It sets；
The welding position detection device is used to carry out the tab welding position on pole piece to be detected according to the triggering command
Detection, generates and sends welding position data to the controller；
The controller is used to generate welding position adjusted value according to the welding position data.
2. tab welding control system according to claim 1, which is characterized in that the welding position detection device is to pass
Sensor group；
The sensor group includes first sensor and/or second sensor, and the first sensor is used to obtain the spy of tab
Range data out；The second sensor is used to obtain the welding range data of tab.
3. tab welding control system according to claim 2, which is characterized in that the first sensor is correlation biography
Sensor, the second sensor are visual sensor or baseline sensor.
4. tab welding control system according to claim 1, which is characterized in that the tab detection sensor is to penetrating
Formula sensor.
5. tab welding control system according to claim 1, which is characterized in that the welding position detection device is view
Feel detection device；
The vision inspection apparatus, which is used to take pictures according to the triggering command, generates tab welding state characteristic image, and will
The tab welding state characteristic image is sent to the controller.
6. tab welding control system according to claim 1, which is characterized in that the controller is for obtaining the weldering
Connect the characteristic size in position data；The verticality of tab and pole piece edge is calculated according to the characteristic size；Judge institute
State whether verticality is in preset vertical degree threshold range；If it is determined that the verticality is in the preset vertical degree threshold value model
In enclosing, then the characteristic size is labeled as statistics characteristic size；Wherein the characteristic size include lean out range data and/
Or welding range data.
7. tab welding control system according to claim 6, which is characterized in that the controller is also used to obtain multiple
The statistics uses characteristic size；The first statistics parameter is obtained with characteristic size based on multiple statistics；Based on described first
Statistics parameter judges whether multiple statistics characteristic sizes meet coherence request；If meeting coherence request, it is based on
Multiple statistics obtain the second statistics parameter with characteristic size；Feature ruler is calculated based on second statistics parameter
Very little adjusted value；Wherein the characteristic size adjusted value includes leaning out apart from adjusted value and/or welding apart from adjusted value.
8. tab welding control system according to claim 7, which is characterized in that the controller is also used to based on multiple
The statistics transfers statistical calculations method with characteristic size and first statistics parameter, the statistical calculations is calculated
Method includes standard deviation calculation method, variance value calculating method or CPK value calculating method；Correspondingly, first statistics
Parameter includes standard deviation, variance yields or CPK value.
9. tab welding control system according to claim 7, which is characterized in that the controller is used to be based on multiple institutes
It states statistics and transfers statistical calculations method with characteristic size and second statistics parameter, the statistical calculations side is calculated
Method includes weighted average value calculating method, harmonic average value calculating method, geometric average value calculating method, trimming mean value calculation
Any one of method, median calculation method；Correspondingly, second statistics parameter includes weighted average, reconciles and put down
Any one of mean value, geometrical mean, trimming average value, median.
10. a kind of tab welding equipment characterized by comprising tab welding mechanism and as described in claim any one of 1-9
Tab welding control system.
11. tab welding equipment according to claim 10, which is characterized in that the tab welding mechanism includes: pole piece
Conveying assembly, tab cutting assembly, tab transport component, tab send weldering component, weld assembly；
Wherein, the pole piece conveying assembly is used to for pole piece to be detected being delivered at welding post etc. to be welded；The tab is cut
Component is cut for cutting to obtain the tab for being soldered on the pole piece to be detected to tab item；Wherein the tab item is preparatory
It is equidistantly provided with multiple tab sealants；Each tab has a tab sealant；The tab transport component is used for will
Tab to be welded is transported to the default undertaking position that the tab send weldering component；The tab send weldering component for that will be located at institute
The default tab to be welded accepted at position is stated to be transmitted at the welding post；The weld assembly is described for that will be located at
On tab welding to be welded to the pole piece to be detected at welding post.
12. tab welding equipment according to claim 11, which is characterized in that the pole piece conveying assembly include with it is described
The welding feeding motor that controller is connected；
The tab cutting assembly includes blade；
It includes servo motor, the first screw rod being connected with the servo motor and described first that the tab, which transports component,
The first screw rod sliding block that bar is connected and the hand-off clamping jaw being arranged on the first screw rod sliding block；
It includes the tab feeding motor being connected with the controller and the tab feeding motor phase that the tab, which send weldering component,
Second screw rod of connection, the second screw rod sliding block being connected with second screw rod and setting are on the second screw rod sliding block
Send weld clip pawl；
The weld assembly includes soldering tip bracket and the soldering tip that is arranged on the soldering tip bracket.
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