CN109530995A - A kind of welding production system - Google Patents
A kind of welding production system Download PDFInfo
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- CN109530995A CN109530995A CN201811649821.2A CN201811649821A CN109530995A CN 109530995 A CN109530995 A CN 109530995A CN 201811649821 A CN201811649821 A CN 201811649821A CN 109530995 A CN109530995 A CN 109530995A
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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
Abstract
The present invention provides a kind of welding production system, is used for welding processing assembly line, comprising: sensing unit, separate-blas estimation unit, and control unit, processing unit, blocking unit, wherein；The sensing unit is arranged on assembly line；The separate-blas estimation unit, for being blocked in the progress separate-blas estimation of the workpiece at separate-blas estimation to by the blocking unit, and first amount of deflection that will test is sent to described control unit；Described control unit, first amount of deflection sent for receiving the separate-blas estimation unit, and processing is carried out to first amount of deflection and sends the first Machining Instruction to the processing unit for processing corresponding workpiece；The processing unit has multiple groups, and processing unit described in multiple groups is set gradually along conveyer belt direction of transfer；The blocking unit, the instruction execution blocking movement for being sent according to described control unit, is moved along direction of transfer on a moving belt to limit workpiece.The present invention improves the welding precision of welding streamline.
Description
Technical field
The present invention relates to welding production field more particularly to a kind of welding production systems for welding processing assembly line.
Background technique
With the progress of science and technology, requirement of the people to workpiece reliability is higher and higher.
In some pressing workpiece, two parts of workpiece are pressed, the effect after pressing is usually one in workpiece
Part is connected in workpiece another part by interference fit.Workpiece of the part by pressing is needed by coming at welding press
Improve the reliability of Workpiece structure.Simultaneously to improve welding efficiency, multiple groups welding unit is usually set, workpiece is welded respectively
It connects
However, each component in workpiece has allowable error value in forging, and therefore, when being pressed to such component,
It further include allowable error of the component in forging caused by local deformation other than workpiece differences caused by have because of pressing at pressing
Difference at different workpieces pressing caused by value, both differences can all generate pressing deviation；
It is existing not consider to press deviation to the shadow of welding precision to the assembly line for carrying out batch welding at workpiece pressing
It rings, causes welding precision low, workpiece is unreliable.
Summary of the invention
To solve the above problems, the present invention provides a kind of welding production system.
The present invention provides a kind of welding production system, is used for welding processing assembly line, comprising: sensing unit, separate-blas estimation
Unit, control unit, processing unit, blocking unit, wherein；Sensing unit is arranged on assembly line, for incuding the location of workpiece；
Separate-blas estimation unit, for carrying out separate-blas estimation to being blocked the workpiece that unit is blocked at separate-blas estimation, and will test
First amount of deflection is sent to control unit；It is position corresponding with separate-blas estimation unit on conveyer belt at separate-blas estimation；Control
Unit for receiving first amount of deflection of separate-blas estimation unit transmission, and is handled first amount of deflection, according to setting
Threshold value determines first amount of deflection, and first amount of deflection of workpiece of first amount of deflection in given threshold is handled
For second amount of deflection, first amount of deflection of the workpiece by first amount of deflection not in given threshold is handled as third deviation
Numerical value, and second amount of deflection and the third amount of deflection are stored by the sequence that workpiece reaches separate-blas estimation unit, it controls
Unit sends the first Machining Instruction to the processing unit for processing corresponding workpiece according to treated second amount of deflection；Control unit
Be also used to from processing unit in select welder to be in idle condition processing unit as target process unit be used for pair
The corresponding workpiece of second amount of deflection is processed；Processing unit has a multiple groups, multiple groups process unit along conveyer belt direction of transfer according to
Secondary setting, processing unit includes grabbing device and welder, and wherein welder has multiple, and multiple welders are respectively used to
Welding processing carried out to workpiece, grabbing device is used to be blocked workpiece grabbing that unit is blocked on crawl point to welder
Above and by soldered workpiece grabbed by welder to conveyer belt；Crawl point is located at corresponding with grabbing device on conveyer belt
Position；Multiple groups process the working condition that unit sends grabbing device and welder to control unit in real time；Blocking unit is used
In the instruction execution blocking movement sent according to control unit, moves, hinder along direction of transfer on a moving belt to limit workpiece
Keeping off unit includes the first blocking unit and the second blocking unit, wherein the first blocking unit is used to for workpiece to be blocked in deviation inspection
At survey, the second blocking unit is used to workpiece being blocked in crawl point.
Welding production system provided by the present invention, can be before welding by error measuring means to workpiece to be processed
Separate-blas estimation is carried out, the workpiece deviation that error measuring means will test out is sent to control unit, and control unit is inclined according to workpiece
Difference screens workpiece to be processed, to enable to process unit to qualified workpiece progress welding processing, to improve
Welding precision increases the reliability of workpiece.Conveyer belt in the present invention is preferably roller conveyer belt, and the first blocking unit is by inclined
Opposite direction at poor detection along direction of transfer prolongs Shen, and the second blocking unit prolongs Shen along the opposite direction of direction of transfer by crawl point；?
Blocking unit is provided with sensing unit along the opposite direction of direction of transfer, and workpiece is made to reach separate-blas estimation unit and reach deviation inspection
Sensing unit is first passed through before at survey, it is single to control after the sensing units sense to workpiece in the front of the first blocking unit
First workpiece that sends reaches instruction, and control unit sends barrier instruction to the first blocking unit, and the first blocking unit refers to according to blocking
It enables and executes blocking movement, moved on a moving belt along direction of transfer to limit workpiece, and then workpiece is blocked in separate-blas estimation
Place, while successfully barrier instruction is sent to control unit after the first blocking unit successfully stops workpiece；Workpiece quilt to be detected
Control unit sends separate-blas estimation instruction to separate-blas estimation unit after being blocked at separate-blas estimation, by separate-blas estimation unit to be checked
It surveys workpiece and carries out separate-blas estimation, it is single that first amount of deflection that will test after the detection of separate-blas estimation unit is sent to control
Member；After control unit receives first amount of deflection sent by separate-blas estimation unit, is sent to the first blocking unit and stop stopping
Instruction, blocking unit receive blocking of the stopping to workpiece after stopping barrier instruction.Simultaneously inside control unit will judge it is first inclined
Whether difference value is more than given threshold, and when first amount of deflection is not above given threshold, control unit is by the first variation
Value processing is second amount of deflection, and control unit is reached the second obtained amount of deflection by workpiece after obtaining second amount of deflection
Sequence is stored；Multiple processing units update machining state to control unit in real time, and control unit is obtaining the second variation
The processing unit being in idle condition is selected to process unit as target after value in multiple processing units；Determine corresponding workpiece
After target processes unit, workpiece will be sent to the crawl point where target processing unit along conveyer belt, positioned at the of the crawl point
After sensing device in front of two blocking units senses that workpiece reaches target processing unit, positioned at the second resistance of target processing unit
It keeps off unit and executes and stop work, workpiece to be processed is blocked in the crawl point positioned at target processing unit；In workpiece to be processed quilt
After being blocked in the crawl point for being located at target processing unit, control unit sends the first Machining Instruction, target to target processing unit
Unit is processed to receive the first Machining Instruction and carry out welding processing to the workpiece for being located at crawl point according to the first Machining Instruction；When
When one amount of deflection is more than given threshold, which is judged as unqualified workpiece, and the grabbing device processed in unit will not be right
Unqualified workpiece is grabbed, and unqualified workpiece will be transmitted rearward directly along conveyer belt.Here direction from the front to the back, for transmission
The transmission direction of band.Sensing unit can be optoelectronic induction.Eccentric ruler caused by the pressing that can be before welding of separate-blas estimation
Very little is also likely to be that processing allowable error size of workpiece etc. can be by measuring obtained size value.According to different process requirements
Different threshold values can be set in a control unit, will all be treated as greater than threshold value or less than first amount of deflection of threshold value
Workpiece is determined as unqualified workpiece by three amounts of deflection.The welding procedure and capture program collectively form Machining Instruction, wherein
Welding procedure control welder welds workpiece, capture program control grabbing device grabs workpiece to weldering from crawl point
Connection device.When second amount of deflection and the third amount of deflection are stored, by second amount of deflection and the third amount of deflection
It carries out storage in sequence together and is corresponded with workpiece is obtained on conveyer belt, to guarantee when there is multiple workpiece on conveyer belt,
Processing unit will not accidentally grab the unqualified workpiece with the third amount of deflection.The working condition of welder may include to be processed
State, just in machining state, idle state and abnormality.Conveyer belt can be divided into machined conveyer belt and undressed transmission
Band, after the completion of welding, grabbing device will be placed on machined workpiece on machined conveyer belt workpiece.Pass through separate-blas estimation
Unit screens unqualified workpiece, only carries out welding processing to qualified workpiece, to improve the welding essence of welding production line
Degree.
Detailed description of the invention
Fig. 1 is a kind of operation schematic diagram of welding production system provided by one embodiment of the invention；
Fig. 2 processes the welding of workpiece to be processed for selection in a kind of welding production system provided by one embodiment of the invention
Device operation schematic diagram.
In a kind of welding production system provided by the one embodiment of the invention of the position Fig. 3 main control unit with from control unit
Operation schematic diagram.
Specific embodiment
To keep the purpose of the present invention, feature, advantage more obvious and understandable, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, and not all embodiments.Based on the embodiments of the present invention, those skilled in the art are not having
Every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Fig. 1 is a kind of operation schematic diagram of welding production system provided by one embodiment of the invention；
As shown in Figure 1, the present invention provides a kind of welding production system, it to be used for welding processing assembly line, which is characterized in that packet
It includes: sensing unit, separate-blas estimation unit, control unit, processing unit, blocking unit, wherein；Sensing unit is arranged in assembly line
On, for incuding the location of workpiece；Separate-blas estimation unit, for inclined to the workpiece progress that unit is blocked at separate-blas estimation is blocked
Difference detection, and first amount of deflection that will test is sent to control unit；At separate-blas estimation on conveyer belt with separate-blas estimation
The corresponding position of unit；Control unit, for receiving first amount of deflection of separate-blas estimation unit transmission, and to the first variation
Value is handled, and is determined according to given threshold first amount of deflection, by work of first amount of deflection in given threshold
First amount of deflection processing of part is second amount of deflection, and first of the workpiece by first amount of deflection not in given threshold is partially
The processing of difference value is the third amount of deflection, and second amount of deflection and the third amount of deflection are reached separate-blas estimation unit by workpiece
Sequence stored, control unit sends the to the processing unit for processing corresponding workpiece according to treated second amount of deflection
One Machining Instruction；Control unit be also used to from processing unit in select welder to be in idle condition processing unit as
Target processing unit is for processing the corresponding workpiece of second amount of deflection；Processing unit has multiple groups, and multiple groups process unit
It is set gradually along conveyer belt direction of transfer, processing unit includes grabbing device and welder, and wherein welder has multiple, more
A welder is respectively used to carry out workpiece welding processing, and grabbing device is blocked on crawl point for that will be blocked unit
It grabs on workpiece grabbing to welder and by soldered workpiece by welder to conveyer belt；Crawl point is located at transmission
Take position corresponding with grabbing device；Multiple groups process the work that unit sends grabbing device and welder to control unit in real time
Make state；Blocking unit, the instruction execution blocking movement for being sent according to control unit, to limit workpiece on a moving belt
It is moved along direction of transfer, blocking unit includes the first blocking unit and the second blocking unit, wherein the first blocking unit is used for will
Workpiece is blocked at separate-blas estimation, and the second blocking unit is used to workpiece being blocked in crawl point.
Welding production system provided by the present invention, can be before welding by error measuring means to workpiece to be processed
Separate-blas estimation is carried out, the workpiece deviation that error measuring means will test out is sent to control unit, and control unit is inclined according to workpiece
Difference screens workpiece to be processed, to enable to process unit to qualified workpiece progress welding processing, to improve
Welding precision increases the reliability of workpiece.Conveyer belt in the present invention is preferably roller conveyer belt, and the first blocking unit is by inclined
Opposite direction at poor detection along direction of transfer prolongs Shen, and the second blocking unit prolongs Shen along the opposite direction of direction of transfer by crawl point；?
Blocking unit is provided with sensing unit along the opposite direction of direction of transfer, and workpiece is made to reach separate-blas estimation unit and reach deviation inspection
Sensing unit is first passed through before at survey, it is single to control after the sensing units sense to workpiece in the front of the first blocking unit
First workpiece that sends reaches instruction, and control unit sends barrier instruction to the first blocking unit, and the first blocking unit refers to according to blocking
It enables and executes blocking movement, moved on a moving belt along direction of transfer to limit workpiece, and then workpiece is blocked in separate-blas estimation
Place, while successfully barrier instruction is sent to control unit after the first blocking unit successfully stops workpiece；Workpiece quilt to be detected
Control unit sends separate-blas estimation instruction to separate-blas estimation unit after being blocked at separate-blas estimation, by separate-blas estimation unit to be checked
It surveys workpiece and carries out separate-blas estimation, it is single that first amount of deflection that will test after the detection of separate-blas estimation unit is sent to control
Member；After control unit receives first amount of deflection sent by separate-blas estimation unit, is sent to the first blocking unit and stop stopping
Instruction, blocking unit receive blocking of the stopping to workpiece after stopping barrier instruction.Simultaneously inside control unit will judge it is first inclined
Whether difference value is more than given threshold, and when first amount of deflection is not above given threshold, control unit is by the first variation
Value processing is second amount of deflection, and control unit is reached the second obtained amount of deflection by workpiece after obtaining second amount of deflection
Sequence is stored；Multiple processing units update machining state to control unit in real time, and control unit is obtaining the second variation
The processing unit being in idle condition is selected to process unit as target after value in multiple processing units；Determine corresponding workpiece
After target processes unit, workpiece will be sent to the crawl point where target processing unit along conveyer belt, positioned at the of the crawl point
After sensing device in front of two blocking units senses that workpiece reaches target processing unit, positioned at the second resistance of target processing unit
It keeps off unit and executes and stop work, workpiece to be processed is blocked in the crawl point positioned at target processing unit；In workpiece to be processed quilt
After being blocked in the crawl point for being located at target processing unit, control unit sends the first Machining Instruction, target to target processing unit
Unit is processed to receive the first Machining Instruction and carry out welding processing to the workpiece for being located at crawl point according to the first Machining Instruction；When
When one amount of deflection is more than given threshold, which is judged as unqualified workpiece, and the grabbing device processed in unit will not be right
Unqualified workpiece is grabbed, and unqualified workpiece will be transmitted rearward directly along conveyer belt.Here direction from the front to the back, for transmission
The transmission direction of band.Sensing unit can be optoelectronic induction.Eccentric ruler caused by the pressing that can be before welding of separate-blas estimation
Very little is also likely to be that processing allowable error size of workpiece etc. can be by measuring obtained size value.According to different process requirements
Different threshold values can be set in a control unit, will all be treated as greater than threshold value or less than first amount of deflection of threshold value
Workpiece is determined as unqualified workpiece by three amounts of deflection.The welding procedure and capture program collectively form Machining Instruction, wherein
Welding procedure control welder welds workpiece, capture program control grabbing device grabs workpiece to weldering from crawl point
Connection device.When second amount of deflection and the third amount of deflection are stored, by second amount of deflection and the third amount of deflection
It carries out storage in sequence together and is corresponded with workpiece is obtained on conveyer belt, to guarantee when there is multiple workpiece on conveyer belt,
Processing unit will not accidentally grab the unqualified workpiece with the third amount of deflection.The working condition of welder may include to be processed
State, just in machining state, idle state and abnormality.Conveyer belt can be divided into machined conveyer belt and undressed transmission
Band, after the completion of welding, grabbing device will be placed on machined workpiece on machined conveyer belt workpiece.Pass through separate-blas estimation
Unit screens unqualified workpiece, only carries out welding processing to qualified workpiece, to improve the welding essence of welding production line
Degree.
In the present embodiment, converting second amount of deflection for first amount of deflection is specially；It will according to given threshold range
Numerical division classification within the scope of given threshold；When first amount of deflection of workpiece is in given threshold, control unit is by
One amount of deflection is classified according to the classification of numerical division.Converting second amount of deflection for first amount of deflection is by first
Pressing deviation is classified, and classification corresponding to workpiece is second amount of deflection after classification, and the categorical measure of classification is to consider
It is arranged to many factors such as production requirement and control unit memory size, therefore can be existed according to the different conditions of production
It modifies before processing.Second amount of deflection is obtained after first amount of deflection is classified according to corresponding pre-set categories, often
Second amount of deflection of kind respectively corresponds different welding procedures, and the welding procedure and capture program collectively form the first Machining Instruction,
Wherein welding procedure control welder welds workpiece, capture program control grabbing device grabs workpiece from crawl point
To welder.When second amount of deflection is stored, the sequence of storage will be corresponded with the sequence of workpieces processing, to protect
It demonstrate,proves when there is multiple workpiece on conveyer belt, guarantees that the workpiece of processing the grabbed welding of unit and processing unit are received first adds
Work instruction is matched.To further increase the welding precision of welding production device.
In the present embodiment, blocking unit includes blocking portion and power part, and blocking portion is for stopping biography of the workpiece along conveyer belt
Send direction mobile, power part is for driving the roller being located above power part to roll and then enabling workpiece on a moving belt along biography
Direction is sent to be driven；Also, where the barrier plate of each group of blocking unit in addition to the blocking unit for being located at assembly line tail portion
Conveyer belt inferoanterior, the power part being both provided in power part i.e. next group of blocking unit is so that blocking unit stops to workpiece
After blocking, workpiece is able to drive positioned at the inferoanterior power part of barrier plate and continues to be driven along transmission direction.Blocking unit is according to control
Instruction execution blocking movement processed is specifically, control unit sends barrier instruction to blocking unit, after power part receives barrier instruction
Stop driving roller rotation, after power part stops the rotation of roller belonging to drive, blocking portion is risen until blocking portion height is higher than
Roller is mobile until that can stop workpiece in direction of transfer perpendicular to direction of transfer by conveyer belt side wall, to guarantee blocking portion energy
It is enough to stop workpiece.At this point, if the power part for executing blocking movement is not the blocking unit for being located at forefront on assembly line,
The workpiece stopped by upper one group of blocking portion, which so may be placed, on the power part for executing blocking movement therefore executes resistance
On the one hand the power part stopping drive roller rotation of gear movement can stop providing to the workpiece stopped with this blocking unit moves
Can, reduce this workpiece in the mobile speed of direction of transfer and then reduces this workpiece and blocking portion shock bring abrasion；Another party
Face can also avoid above the roller driven to power part be blocked workpiece due to friction caused by damage.One group of blocking list
Blocking portion in member is no more than a workpiece with the distance between the roller that the power part in next group of blocking unit is driven and exists
The width of transmission direction drives one group of blocking unit stopping to the power part after the blocking of workpiece in next group of blocking unit
Roller can contact this workpiece being blocked.Power part in the inferoanterior next group of blocking unit of blocking portion is upper
Also stop driving roller rotation when one group of blocking unit executes blocking movement, so that it is dynamic to avoid due to workpiece is static roller from not stalling
And drive the friction generated to workpiece.
In the present embodiment, when the blocking portion in the first blocking unit and the second blocking unit stops workpiece, workpiece
Center be located on the axis of conveyer belt.Wherein, the axis of the workpiece stopped by blocking portion and the center line of conveyer belt are one
On straight line, make barrier plate other than limiting along direction of transfer workpiece, also into horizontal plane perpendicular to direction of transfer
Workpiece both ends applied force limits workpiece in the position perpendicular to direction of transfer in turn.When the workpiece for being located at deviation measuring unit needs
When being stopped by the first blocking unit, the blocking portion in the first blocking unit is moved in addition to limiting workpiece along conveyer belt transmission direction
Outside, additionally it is possible to adjust workpiece in the position of roller axis direction, so that workpiece centre be enable to be located on conveyer belt axis, transmit
Zone axis is along conveyer belt transmission direction.Blocking portion in first blocking unit can be with symmetrically arranged two groups of angled pieces, angled piece
The first side wall workpiece can be lifted from conveyer belt, the second sidewall of angled piece can limit the position of workpiece centre.It is logical
Limitation workpiece centre position is crossed, workpiece is enable more accurately to be moved to deviation measured place, by lifting workpiece, to protect
It demonstrate,proves workpiece to be horizontally arranged, and then improves accuracy when separate-blas estimation unit carries out separate-blas estimation to workpiece.Second blocking unit
In blocking portion can be one group of setting crawl point roller above, along conveyer belt axis is symmetrically arranged can be along roller axis
The mobile barrier plate in direction, at least one barrier plate is U-shaped baffle in barrier plate, and then can limit workpiece and move along direction of transfer
Workpiece can be adjusted while dynamic along the position of roller axis direction, and then workpiece is enable accurately to reach crawl point, make to add
Grabbing device in work order member more accurately grabs the workpiece for being located at crawl point.
In the present embodiment, blocking unit further includes third blocking unit, is located at the first blocking unit and the second blocking unit
Before；It is additionally provided with sensing unit before third blocking unit, for incuding the position of workpiece.When separate-blas estimation unit will be to arrival
When the workpiece of first blocking unit carries out separate-blas estimation, or when processing unit will process unit corresponding second with target to reaching
When blocking unit is grabbed, the third blocking unit before the first blocking unit and the second blocking unit will be to positioned at this
Other workpiece on third blocking unit are stopped.Power part in blocking unit is that the power that workpiece provides is enough to make workpiece
Reach blocking portion.Third blocking unit stops the workpiece stopped, on the one hand can guarantee positioned at front
Workpiece will not enter or be ready for detection deviation measuring unit and or be ready for crawl processing unit,
To avoid the collision between workpiece and device and between workpiece and workpiece；On the other hand passed through by the way that third blocking unit is arranged
The cooperation of power part and blocking portion makes workpiece to be processed on the basis of guaranteeing process safety as far as possible after conveyer belt
Side makes after being located at separate-blas estimation unit or processing workpiece sensing or completion of processing on unit, and shortening is hindered by third blocking unit
The workpiece of gear reaches the time of target position.Control unit is in addition to the Work position information sent according to sensing device is to positioned at sense
The blocking unit at device rear is answered to send outside control instruction, control unit can also judge control unit according to Work position information
In the position of workpiece on a moving belt corresponding to second amount of deflection that stores in order, to guarantee to transport in workpiece to be processed
Workpiece to be processed is controlled by after the blocking of third retention device because rear has workpiece processing into the way of designated position
Unit while still workpiece to be processed can be matched with second amount of deflection of workpiece to be processed can real-time update wait for
The position region of workpieces processing.Sensing device is set before retention device, on the one hand can react work to main control unit
Part reaches blocking unit, makes main control unit decide whether to send barrier instruction to blocking unit, on the other hand can also pass through
The workpiece of sensing device reaches the piece count that information response reaches the position, passes through the sequence stored by quantity and control unit
It is corresponding, so that control unit can identify that workpiece in the position that assembly line is reached, and then avoids processing unit to the
The wrong workpiece of three amounts of deflection is grabbed.
In the present embodiment, the first blocking unit and the second blocking unit forward position conveyer belt direction of transfer are provided with multiple groups
Three blocking units.In process of production, the speed of the measurement of usual separate-blas estimation unit will be faster than processing unit on conveyer belt
The grasp speed of workpiece, therefore, to improve processing efficiency, the usually conveyer belt between processing unit and separate-blas estimation unit
Multiple workpiece can be placed on conveyer belt between upper and each processing unit.So in order to avoid be located at processing unit and
Collide between multiple workpiece between separate-blas estimation unit, can between the first blocking unit and the second blocking unit edge
Conveyer belt direction of transfer is arranged multiple groups third blocking unit, the number of third blocking unit mainly by the distance between workpiece and
The measuring speed of separate-blas estimation unit and process unit process velocity influence, therefore the number of third blocking unit and
The distance between power part and blocking portion can measuring speed according to measuring device and different productions in third blocking unit
The demand of line is modified.
Fig. 2 processes the welding of workpiece to be processed for selection in a kind of welding production system provided by one embodiment of the invention
Device operation schematic diagram.
As shown in Fig. 2, in the present embodiment, processing unit has three groups, the respectively first processing unit, the second processing unit with
And third processes unit, the processing unit for selecting welder to be in idle condition from processing unit is as target work sheet
Member specifically: judge whether third processing unit has welder to be in idle condition, if there is welder to be in idle condition,
Third processing unit is then selected to process unit, and the welding being in idle condition at first in selection target processing unit as target
First welding module of the device as welding workpiece, workpiece along conveyer belt be sent to third processing unit after, the first welding module
Workpiece will be processed according to the first Machining Instruction；If there is no welder to be in idle condition in third processing unit,
Judge whether the second processing unit has welder to be in idle condition；If thering is welder to be in the free time in the second processing unit
State then selects the second processing unit as target and processes unit, and is in idle condition at first in selection target processing unit
First welding module of the welder as welding workpiece, after workpiece is sent to the second processing unit along conveyer belt, the first weldering
Connection module will process workpiece according to the first Machining Instruction；If there is no welder to be in idle shape in the second processing unit
State, then judge whether the first processing unit has welder to be in idle condition；If having at welder in the first processing unit
In idle state, then the first processing unit is selected to process unit as target, and at first in sky in selection target processing unit
First welding module of the welder of not busy state as welding workpiece, after workpiece is sent to the first processing unit along conveyer belt,
First welding module will process workpiece according to the first Machining Instruction；If there is no welder to be in the first processing unit
Idle state, then workpiece will be waited in separate-blas estimation unit, meanwhile, control unit continues the judgement since third processes unit and adds
Whether there is the welder being in idle condition in work order member until workpiece is transferred into the target work sheet being in idle condition
Member.When processing unit has three groups, the first processing unit and third processing unit are respectively the both ends for being located at three groups of processing units,
And the second processing unit is located among the first processing unit and third processing unit, therefore, control unit is in selection welder
When, it is ensured that it is selected since the welder in the processing unit for being located at end always, while to guarantee selection processing unit
In the welder that is in idle condition at first, to guarantee the order of processing, while improving the work of welding processing assembly line
Efficiency.
In a kind of welding production system provided by the one embodiment of the invention of the position Fig. 3 main control unit with from control unit
Operation schematic diagram.
As shown in figure 3, in the present embodiment, control unit includes main control unit and from control unit, wherein main control list
Member is for controlling sensing unit, blocking unit, separate-blas estimation unit；Add from control unit according to first that main control unit is sent
Work instruction control processing unit contraposition is grabbed and is welded in the workpiece of crawl point.It include main control list inside control unit
Member and from control unit to the deviation measurement of workpiece, stops and movement on a moving belt is controlled by main control unit.
For main control unit according to the welder working condition fed back from control unit, selection target processes unit and the first welding mould
Block；Specified target information is sent to from control unit by the first welding module after selecting, and is welded from control unit by first
The working condition of welder corresponding to module is changed to state to be processed by idle state and is sent to main control unit；Workpiece
Unit is processed being transported by conveyer belt to target, after workpiece reaches crawl point, main control unit sends the to from control unit
One Machining Instruction；After control unit the first Machining Instruction of reception, order grabbing device will be located on undressed conveyer belt first
It grabs on welder corresponding to the workpiece grabbing to the first welding module of point；When workpiece reaches corresponding to the first welding module
Welder after, grabbing device completes instruction to sending crawl from control unit, from control device by the first welding module institute
The working condition of corresponding welder is changed to just in machining state, and right to main control unit the first welding module of transmission institute
The working condition for the welder answered simultaneously sends welding instruction to the welder；Welder corresponding to first welding module
Workpiece is welded according to welding instruction, welder corresponding to the first welding module is to from control unit after welding
It sends welding and completes instruction；Receive welding from control unit to complete welder corresponding to the first welding module after instructing
Working condition is changed to idle state and is sent to main control unit, and can order grabbing device will complete the workpiece grabbing of welding
To machined conveyer belt.When grabbing device is when grabbing workpiece, from control unit by the working condition of grabbing device more
It is changed to processing and is sent to main control unit；It is obtained not when sending information to grabbing device, welder from control unit
To when grabbing device and welder be corresponding or feedback, filled from control unit by corresponding or feedback grabbing device or welding
Working condition is set to be changed to abnormality and be sent to main control unit.
In the present embodiment, grabbing device is provided with crawl section and rotating part, and crawl section includes the first handgrip and the second handgrip,
And grabbing device is set to grab two workpiece by rotary grasping portion；First welder is for processing the first work
Welder corresponding to first welding module of part；When the first workpiece on the first welder after processing is completed, main control
Unit is sent to the processing of the first welder place along conveyer belt with the matched second workpiece of the first welder for next
The crawl point of unit；The second workpiece for reaching crawl point is grabbed from the first handgrip of control unit order；First handgrip is grabbed
After the completion of taking, from control unit by rotary grasping portion and rotating part, crawl section is moved to the correspondence position of the first welder
It sets, by rotary grasping portion, first passes through the second handgrip and grabbed by the first welder under the first workpiece grabbing and by rotation again
Take portion that the second workpiece being located on the first handgrip is placed on the first welder, later the second handgrip will complete the process the
One workpiece is put as conveyer belt.Firstly, main control unit is welded first when the working condition of the first welder is idle state
Connection device is selected as the first welding module of the first workpiece, and the working condition of the first welder becomes state to be processed；Then
First workpiece is transferred into crawl point, and the first handgrip welds the first workpiece grabbing into the first welder, when first
When workpiece is crawled to the first welder, the working condition of the first welder becomes just in machining state；When the first welding
When device completes the first work pieces process, the working condition of the first welder becomes idle state, until main control unit will
First welder is selected as the first welding module of second workpiece, and the working condition of the first welder will become to be processed again
State；Second welder is sent to crawl point, and the first handgrip grabs second workpiece to position corresponding with the first welder,
Be moved in the process of the first welder corresponding position in order to avoid handgrip on other assembly lines workpiece or equipment touch
It hits, therefore also needs rotary grasping portion to avoid collision other than needing to rotate rotating part；First second workpiece is grabbed to
The corresponding position of one welder rather than to be placed directly on the first welder be because of the first work for being welded at this time
Part is not removed from the first welder, it is therefore desirable to weld manufactured first workpiece from first first with the second handgrip
Removed on connection device, after removing the first workpiece by rotary grasping portion by for the unprocessed second workpiece on the first handgrip
It is placed on the first welder, the first weldering after second workpiece is placed on and places on the first welder by the first handgrip
The working condition of connection device becomes just in machining state, while grabbing device will add again by rotary grasping portion and rotating part
The first good workpiece of work is placed and machined conveyer belt.Workpiece is grabbed simultaneously by the way that two handgrips are arranged on crawl section
It takes, reduces the time of workpiece grabbing to welder and conveyer belt, and then improve the processing efficiency of processing unit.In general,
The height processed in two conveyer belts of conveyer belt and undressed conveyer belt closer to the conveyer belt of processing unit (plant) is lower, and two biographies
The difference in height between band is sent to be greater than a workpiece height, to guarantee the crawl when having workpiece on the conveyer belt close to processing unit (plant)
Device will not collide when the workpiece on the conveyer belt far from processing unit (plant) is grabbed or placed.
Hereinafter, providing in a kind of the present embodiment, the concrete application scene that welding production system welds workpiece:
In welding production system, including three groups of processing units, the respectively first processing unit, the second processing unit and third
Process unit；It include four group welding devices, respectively the first welder, the second welder, third in each processing unit
Welder and the 4th welder.Setting threshold in control unit was set before welding production system welds workpiece
Value is 100mm-105mm, and the workpiece that first amount of deflection is 100mm-101mm is set as first kind workpiece, is exported corresponding
Second amount of deflection is I, and the welding instruction in first Machining Instruction corresponding with I is " the maximum weldering that welder is welded
It connects having a size of 101mm "；The workpiece that first amount of deflection is 101mm-102mm is set as the second class workpiece, exports corresponding the
Two amounts of deflection are II, and the welding instruction in first Machining Instruction corresponding with II is " the maximum weldering that welder is welded
It connects having a size of 102mm " ... and the workpiece that first amount of deflection is 104mm-105mm is set as the 5th class workpiece, output corresponds to
Second amount of deflection be V, the welding instruction in first Machining Instruction corresponding with V is " welder is welded most
Big weld size is 105mm ", will be divided into five in workpiece of first amount of deflection in given threshold according to given threshold with this
Class, welder respectively correspond five kinds of welding processing modes.If first amount of deflection is less than 100mm or is greater than 105mm, control
Workpiece is set as unqualified workpiece by unit, and exporting the corresponding third amount of deflection is 0.
Workpiece etc. is to be processed there are three in front of separate-blas estimation unit, respectively third workpiece, the 4th workpiece, the 5th work
Part, three workpiece are successively put along conveyer belt.Third workpiece is blocked in the resistance of the third in front of separate-blas estimation unit first
Before keeping off the blocking portion in unit.
Third blocking unit where from main control unit to third workpiece, which issues, stops barrier instruction, in third blocking unit
In blocking portion contact to the blocking of third workpiece after, main control unit order be located at below separate-blas estimation unit first blocking
Power part in unit starts turning to drive third workpiece along transmission V belt translation.When third workpiece is come positioned at separate-blas estimation
When sensing device before unit, main control unit receives the Work position information issued from sensing device, subsequent main control list
Member issues barrier instruction to the first blocking unit being located at below separate-blas estimation unit, is blocked third workpiece to separate-blas estimation
Place.After workpiece is stopped to separate-blas estimation by the first blocking unit, the first blocking unit has stopped to main control unit transmission
Bi Zhiling, then, main control unit send separate-blas estimation instruction to separate-blas estimation unit, and separate-blas estimation unit detects third work
Part carries out first amount of deflection and is 102.5mm and first amount of deflection of third workpiece is sent to main control unit.Main control
After unit receives first amount of deflection of third workpiece, first determine the first amount of deflection 102.5mm in given threshold 100-
It in 105mm, is computed later, the first amount of deflection 102.5mm is within the scope of 102-103mm, therefore by the second of third workpiece
Amount of deflection output is III.Main control unit is after second amount of deflection storage to third workpiece, through overmatching, by the
First welding module of second welder as third workpiece in two processing units, the first welding mould of third work piece match
Second amount of deflection III of block message and third workpiece is saved together in the storage device into control unit.Main control unit to
First blocking unit, which is sent, stops barrier instruction, the power part band in third blocking unit by being located at the first blocking unit rear
Dynamic third workpiece is moved along transmission direction.4th workpiece, the 5th workpiece respectively correspond second amount of deflection after separate-blas estimation
III, the third amount of deflection 0.And the 4th workpiece the first welding module be third process unit in third welder.
Third workpiece, the 4th workpiece, the 5th workpiece are successively come between the first processing unit and the second processing unit,
And the information that stores in main control unit of three workpiece is followed successively by III (the second welder of the second processing unit), III (the
Three processing units in third welder), 0.After third workpiece comes the sensing device before the second processing unit, master control
The second resistance for being third workpiece, processing under unit then to second for coming the second processing unit at this time is obtained after unit analysis processed
Stop element sends barrier instruction, has the second blocking unit to stop third workpiece, the second blocking unit hinders third workpiece
Crawl is sent to main control unit behind gear to crawl section and finishes instruction, and main control unit sends third workpiece institute to from control unit
Corresponding first Machining Instruction processes the grabbing device in unit to the from control unit according to the first Machining Instruction order second
Three workpiece are grabbed, during crawl, when the blocking list of the 4th workpiece, the 5th workpiece before being located at the second processing unit
When sensing unit corresponding to member passes through, the corresponding blocking unit of sensing unit is sent barrier instruction for the 4th by main control unit
Workpiece, the 5th workpiece are stopped, to avoid the collision between workpiece.It has been grabbed when from control unit to main control unit transmission
After instruction, third blocking unit where main control unit to the 5th workpiece of the 4th workpiece, which is sent, stops barrier instruction.
When passing through the sensing unit before the second processing unit, main control unit can judge for 4th workpiece and the 5th workpiece
Therefore the two workpiece, which are not belonging to the processing of the second processing unit, will be directly over the prevention unit blocking of the second processing unit second.The
Four workpiece will be crawled processing after coming third processing unit, and the 5th workpiece processes the grabbing device of unit to the 4th work in third
During part is grabbed, the third before third processes unit prevents to wait on unit, until third processing unit is to the
Four workpiece grabbings are completed.5th workpiece is by when sensing unit, main control unit is according to the letter of storage where third processing unit
Breath judges that the workpiece is the 5th workpiece and is unqualified workpiece, while controlling conveyer belt and continuing to transmit by the 5th workpiece.
In the present embodiment, control unit is also used to send the workpiece with the third amount of deflection to first position.Control is single
For member by unqualified workpiece transport to first position, the least significant end in undressed conveyer belt is can be set in first position, and workpiece passes through
It is transferred into the first position on undressed conveyer belt after processing unit, allows operator in time by unqualified workpiece
Recheck or processed again to improve production efficiency and machining accuracy.
To sum up, welding production system provided by the present invention, can be before welding by error measuring means to be added
Work workpiece carries out separate-blas estimation, and the workpiece deviation that error measuring means will test out is sent to control unit, control unit according to
Workpiece deviation screens workpiece to be processed, thus enable to process unit to qualified workpiece progress welding processing, thus
Welding precision is improved, the reliability of workpiece is increased.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.Moreover, particular features, structures, materials, or characteristics described
It may be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this
The technical staff in field can be by the spy of different embodiments or examples described in this specification and different embodiments or examples
Sign is combined.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or hidden
It include at least one this feature containing ground.In the description of the present invention, the meaning of " plurality " is two or more, unless otherwise
Clear specific restriction.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of welding production system is used for welding processing assembly line characterized by comprising sensing unit, separate-blas estimation list
Member, control unit, processing unit, blocking unit, wherein；
The sensing unit is arranged on assembly line, for incuding the location of workpiece；
The separate-blas estimation unit, for being blocked in the progress separate-blas estimation of the workpiece at separate-blas estimation to by the blocking unit,
And first amount of deflection that will test is sent to described control unit；For on conveyer belt and the deviation at the separate-blas estimation
The corresponding position of detection unit；
Described control unit, first amount of deflection sent for receiving the separate-blas estimation unit, and to described first
The amount of deflection is handled, and is determined according to given threshold first amount of deflection, first amount of deflection is existed
First amount of deflection processing of workpiece in given threshold is second amount of deflection, and first amount of deflection is not being set
First amount of deflection processing for determining the workpiece in threshold value is the third amount of deflection, and by second amount of deflection and third
The amount of deflection is stored by the sequence that workpiece reaches the separate-blas estimation unit, and described control unit is according to treated
Second amount of deflection sends the first Machining Instruction to the processing unit for processing corresponding workpiece；Described control unit be also used to from
The processing unit for selecting the welder to be in idle condition in the processing unit is used as target processing unit
It is processed in the corresponding workpiece of second amount of deflection；
The processing unit has multiple groups, and processing unit described in multiple groups is set gradually along conveyer belt direction of transfer, the processing unit
Including grabbing device and welder, wherein the welder has multiple, multiple welders are respectively used to workpiece
Carry out welding processing, the grabbing device is used to be blocked workpiece grabbing that unit is blocked on crawl point to welder
And soldered workpiece is grabbed by the welder to conveyer belt；The crawl point is located on conveyer belt grabs with described
Take the corresponding position of device；Processing unit described in multiple groups sends the grabbing device and welder to described control unit in real time
Working condition；
The blocking unit, the instruction execution blocking movement for being sent according to described control unit, is passing to limit workpiece
It send to take and be moved along direction of transfer, the blocking unit includes the first blocking unit and the second blocking unit, wherein described first
For workpiece to be blocked at the separate-blas estimation, second blocking unit is used to for workpiece to be blocked in described grab blocking unit
It takes a little.
2. welding production system according to claim 1, which is characterized in that convert first amount of deflection to described
Second amount of deflection specifically:
According to the given threshold range by the numerical division classification within the scope of given threshold；
When first amount of deflection of workpiece is in the given threshold, described control unit is by first amount of deflection
Classify according to the classification of numerical division；
Described control unit exports i.e. described second amount of deflection of the corresponding classification of the workpiece.
3. welding production system according to claim 1, which is characterized in that the blocking unit includes blocking portion and power
Portion, for the blocking portion for stopping workpiece to move along the direction of transfer of conveyer belt, the power part is located at power part for driving
The roller of top rolls and then workpiece is enable to be driven on a moving belt along direction of transfer；
In addition to the blocking unit for being located at assembly line tail portion, conveyer belt inferoanterior where the barrier plate of each group of blocking unit,
After the power part that is both provided in power part i.e. next group of blocking unit is so that blocking unit stops to the blocking of workpiece, it is located at resistance
The inferoanterior power part of baffle drives the workpiece to continue to be driven along transmission direction.
4. welding production system according to claim 3, which is characterized in that first blocking unit and second resistance
When the blocking portion in gear unit stops workpiece, the center of workpiece is located on the axis of conveyer belt.
5. welding production system according to claim 4, which is characterized in that the blocking unit further includes that third stops list
Member, before being located at first blocking unit and second blocking unit；Thoughts are also set up in front of the third blocking unit
Unit is answered, for incuding the position of workpiece.
6. welding production system according to claim 5, which is characterized in that in first blocking unit and described second
Blocking unit forward position conveyer belt direction of transfer is provided with third blocking unit described in multiple groups.
7. according to welding production system described in claim 6, which is characterized in that the processing unit has three groups, respectively
One processing unit, the second processing unit and third process unit, and the selection from the processing unit has the welding to fill
It sets the processing unit being in idle condition and processes unit as target specifically:
Judge whether the third processing unit has the welder to be in idle condition, if there is the welder to be in sky
Not busy state then selects the third processing unit to process unit as target, and at first in sky in selection target processing unit
First welding module of the welder of not busy state as welding workpiece, workpiece are sent to the third processing unit along conveyer belt
Afterwards, first welding module will process workpiece according to first Machining Instruction；If in the third processing unit
There is no welder to be in idle condition, then judges whether the second processing unit has welder to be in idle condition；
If it is described second processing unit in there is the welder to be in idle condition, select it is described second processing unit as
Target processes unit, and selection target processes first of the welder being in idle condition at first in unit as welding workpiece
Welding module, workpiece along conveyer belt be sent to it is described second processing unit after, first welding module will be according to described first
Machining Instruction processes workpiece；If there is no welder to be in idle condition in the second processing unit, institute is judged
State whether the first processing unit has welder to be in idle condition；
If it is described first processing unit in there is the welder to be in idle condition, select it is described first processing unit as
Target processes unit, and selects the welder being in idle condition at first in the target processing unit as welding workpiece
First welding module, workpiece along conveyer belt be sent to it is described first processing unit after, first welding module will be according to described
First Machining Instruction processes workpiece；If there is no welder to be in idle condition in the first processing unit, institute
Stating workpiece will wait in the separate-blas estimation unit, meanwhile, described control unit continues to sentence since the third processes unit
Whether break on the processing unit has the welder being in idle condition until workpiece is transferred into the institute being in idle condition
State target processing unit.
8. welding production system according to claim 7, which is characterized in that control unit includes main control unit and from control
Unit processed, wherein the main control unit is for controlling the sensing unit, the blocking unit, the separate-blas estimation unit；
First Machining Instruction sent from control unit according to the main control unit control the processing unit align in
The workpiece of crawl point is grabbed and is welded.
9. welding production system according to claim 8, which is characterized in that the grabbing device is provided with crawl section and rotation
Transfer part, the crawl section includes the first handgrip and the second handgrip, and enables grabbing device to two by rotating the crawl section
A workpiece is grabbed；
First welder is for processing welder corresponding to first welding module of the first workpiece；When described
On the first welder after processing is completed, the main control unit is by next with first welder for one workpiece
The second workpiece matched is sent to the crawl point of the first welder place processing unit along the conveyer belt；
It is described that the second workpiece for reaching crawl point is grabbed from the first handgrip described in control unit order；
After the completion of the first handgrip crawl, described pass through from control unit rotates the crawl section and the rotating part, by institute
The corresponding position that crawl section is moved to first welder is stated, by rotating the crawl section, described second is first passed through and grabs
Hand will be located at described first by the first welder described under first workpiece grabbing and by rotating the crawl section again
The second workpiece on handgrip is placed on first welder, described in second handgrip will complete the process later
First workpiece is put as the conveyer belt.
10. any welding production system in -9 according to claim 1, which is characterized in that described control unit is also used to have
The workpiece of the third amount of deflection is sent to first position.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811649821.2A CN109530995B (en) | 2018-12-30 | 2018-12-30 | Welding production system |
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| CN201811649821.2A CN109530995B (en) | 2018-12-30 | 2018-12-30 | Welding production system |
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| CN108406177A (en) * | 2018-03-15 | 2018-08-17 | 广州中国科学院工业技术研究院 | Cell welding process and its equipment |
| CN108857121A (en) * | 2018-07-10 | 2018-11-23 | 佛山市益鑫禾机械自动化装备有限公司 | Robot welding system |
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- 2018-12-30 CN CN201811649821.2A patent/CN109530995B/en not_active Expired - Fee Related
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| KR20150028373A (en) * | 2013-09-03 | 2015-03-16 | 주식회사 포스코 | Apparatus for clamping strip and controlling method for the same |
| CN204777617U (en) * | 2015-07-21 | 2015-11-18 | 杭州中为光电技术股份有限公司 | Feeding mechanical arm on LED lamp |
| CN108328250A (en) * | 2018-01-25 | 2018-07-27 | 大永精机（江苏）有限公司 | Positive and negative condition discriminating apparatus when automobile retainer pan feeding |
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