CN105584825A - Automatic blank feeding equipment and control method thereof - Google Patents
Automatic blank feeding equipment and control method thereof Download PDFInfo
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- CN105584825A CN105584825A CN201510956848.6A CN201510956848A CN105584825A CN 105584825 A CN105584825 A CN 105584825A CN 201510956848 A CN201510956848 A CN 201510956848A CN 105584825 A CN105584825 A CN 105584825A
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- blank
- conveyor roller
- head
- clipped
- distance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
- B65G47/56—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices to or from inclined or vertical conveyor sections
- B65G47/57—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices to or from inclined or vertical conveyor sections for articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
- B65G2201/0217—Elongated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0266—Control or detection relating to the load carrier(s)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
- B65G2203/044—Optical
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Conveyors (AREA)
Abstract
The invention discloses automatic blank feeding equipment and a control method thereof. The automatic blank feeding equipment comprises a conveying chain, a conveying roller way, a first detector and a controller, wherein the conveying chain is used for conveying blanks transversely; the first side edge of the conveying roller way is connected with the tail end of the conveying chain, and the conveying roller way is used for receiving the blanks and conveying the blanks longitudinally; the first detector is arranged on the second side edge of the conveying roller way and corresponds to the conveying chain in position, and the first detector is used for detecting the distances between the head portion and the tail portion of each blank on the conveying roller way and the second side edge of the conveying roller way correspondingly; the controller is connected with the first detector and controls the operation state of the conveying chain according to the distances, detected by the first detector, between the head portion and the tail portion of each blank on the conveying roller way and the second side edge of the conveying roller way correspondingly. By detecting the distances between the head portion and the tail portion of each blank and the side edge of the conveying roller way, the inclination state of the blanks on the conveying roller way is obtained through calculation, whether the blanks can move smoothly or not in subsequent operation of the equipment can be known, and the equipment is prevented from being damaged.
Description
Technical field
The present invention relates to blank transmission and control technology field, relate in particular to a kind of automatically blank feeding equipmentAnd control method.
Background technology
After machining, blank (as axletree blank) often need transmission equipment to transport it into next workNext step the operation such as processing or assembling is carried out in position, and transmission equipment has generally comprised conveyer chain and conveyor roller,Conveyer chain is arranged on the discharging opening of blank, by blank axial transport to conveyor roller, conveyor roller and fortuneThe moving direction of defeated chain is mutually vertical, and the blank being transported on conveyor roller is transferred to along conveyor roller againNext station.
Blank (especially axletree blank) mostly is cuboid, and the material loading of blank is all to grasp manually at presentDo. One of blank suffers in the conveyer chain that is closely laid in transverse shifting of one, and conveyer chain is by a baseMaterial is out of service after being delivered on conveyor roller, and blank is transported to next station by conveyor roller by the timeAfter, conveyer chain starts again, and next root blank is transported on conveyor roller, carries out next circulation.
But in actual production, in the time operating manually, due to the blank of different batches productionSize is not quite similar, and blank was also not quite similar by the time that is transported to next station on conveyor roller, because ofThese operating personnel need the moment to observe the run location of blank, manually control the startup of conveyer chain and stop.Also there will be blank to place crooked situation simultaneously, place when crooked when blank, be especially skewed off to certainWhen degree, there will be blank one end on conveyor roller, the situation of the other end in conveyer chain, once behaviourMaking the wrong blank that will cause being arranged in (namely conveyor roller is outer) in conveyer chain will in transportationThe baffle plate of conveyor roller dual-side breaks, damage equipment. In a word, auto-manual control base in prior artMaterial is the very inconvenience of material loading to conveyor roller by conveyer chain, and easy damage equipment.
Summary of the invention
For problems of the prior art, object of the present invention is for providing a kind of automatically blank feeding to establishStandby and control method, operates manually and brings material loading not blank material loading to solve in prior artJust, the technical problem of damage equipment.
For achieving the above object, on the one hand,
The invention provides a kind of automatically blank feeding equipment, comprising:
Conveyer chain, for laterally transporting blank;
Conveyor roller, connects for the first side that receives and longitudinally transport conveyor roller described in described blankThe terminal of described conveyer chain;
The first detector, is arranged on the second side of described conveyor roller, and with the position of described conveyer chainCorresponding, be clipped to described conveyor roller for detection of the head of blank on described conveyor roller and portionThe distance of second side;
Controller, connects described the first detector, for the transport roller detecting according to described the first detectorOn road, the head of blank and portion are clipped to described in the distance control of second side of described conveyor roller and transportThe running status of chain.
According to another embodiment of the invention, also comprise:
The second detector, is arranged on the below of described conveyor roller, and relative with the position of described conveyer chainShould, whether described the second detector is also connected with described controller, for detection of having on described conveyor rollerBlank, and will whether have the testing result of blank to send to described controller.
According to another embodiment of the invention, described the first detector comprises at least two laser range finders,Described the second detector comprises at least one approach switch.
According to another embodiment of the invention, described controller is programmable logic controller (PLC) PLC, rootThe distance of second side that is clipped to described conveyor roller according to the head of described blank and portion is in conjunction with blankThe width of size and described conveyor roller carries out COMPREHENSIVE CALCULATING, the askew status while obtaining described blank transmission.
According to another embodiment of the invention, also comprise:
Conveyer chain drive unit, is connected with described conveyer chain and described controller, is used to described conveyer chainOperation driving force is provided, and carry out corresponding operation according to the control instruction of described controller, so that makeThe running status of described conveyer chain drive unit in starting or stoping.
For solving the problems of the technologies described above, on the other hand,
The present invention also provides a kind of control method of automatically blank feeding equipment, described automatic charging equipmentComprise conveyer chain for laterally transporting blank and for receiving and longitudinally transport the conveyor roller of blank, instituteStating control method comprises:
In the time having blank on described conveyor roller, the head and the portion that detect described blank are clipped to transport rollerThe distance of the second side in road;
The distance that is clipped to the second side of conveyor roller according to the head of described blank and portion is calculated blankAskew status when transmission, controls the running status of described conveyer chain.
According to one embodiment of present invention, head and the portion of the described blank of described detection are clipped to transportBefore the distance of the second side of roller-way, also comprise:
Detect on described conveyor roller whether have blank, if there is blank, detect the head of described blankBe clipped to the distance of the second side of conveyor roller with portion; If there is no blank, described in duplicate detectionOn conveyor roller, whether there is blank, until detect the head of described blank while having blank on described conveyor rollerBe clipped to the distance of the second side of conveyor roller with portion.
According to another embodiment of the invention, at least two laser range finders of utilization detect described blankHead and portion are clipped to the distance of the second side of conveyor roller, utilize at least one approach switch to detectOn described conveyor roller, whether have blank, wherein said laser range finder is arranged on of described conveyor rollerOne side, described approach switch is arranged on the below of described conveyor roller, and described laser range finder and instituteThe setting position of stating approach switch is all corresponding with the position of described conveyer chain.
According to another embodiment of the invention, be describedly clipped to fortune according to the head of described blank and portionThe askew status when distance of the second side of defeated roller-way is calculated blank transmission comprises:
Read the numerical value on the laser range finder that the head of described blank and afterbody are corresponding;
According to the numerical value on the head of described blank and laser range finder corresponding to afterbody, described in calculatingThe first end of blank and the second end divide the distance that is clipped to conveyor roller side;
Be clipped to the distance combination of the second side of described conveyor roller according to the head of described blank and portionThe size of blank and the width of described conveyor roller carry out COMPREHENSIVE CALCULATING, askew while obtaining the transmission of described blankTiltedly state.
According to another embodiment of the invention, the running status of described control conveyer chain comprises:
If it is pre-conditioned that the askew status while calculating described blank transmission meets, control described fortuneDefeated chain starts operation; If described in askew status while calculating the transmission of described blank do not meet default barPart, controls described conveyer chain out of service, wherein said pre-conditioned be described conveyor roller operation baseWhen material, meet safety requirements.
Beneficial effect of the present invention is, is clipped to conveyor roller by detecting the head of blank and portionThe distance of second side, and then askew status while calculating the transmission of blank on conveyor roller is to learnWhether blank can in servicely carry out smoothly ensuing on conveyor roller, avoids causing device damage.
Brief description of the drawings
The composition schematic diagram of a kind of automatically blank feeding equipment that Fig. 1 provides for the embodiment of the present invention one.
The preferred structure of one of a kind of automatically blank feeding equipment that Fig. 2 provides for the embodiment of the present invention oneSchematic diagram.
The step of the control method of a kind of automatically blank feeding equipment that Fig. 3 provides for the embodiment of the present invention twoFlow chart.
Fig. 4 is that in the embodiment of the present invention two, step S30 is clipped to transport roller according to the head of blank and portionThe flow chart of steps of the askew status when distance of the second side in road is calculated blank transmission.
The controlling party ratio juris of a kind of automatically blank feeding equipment that Fig. 5 provides for the embodiment of the present invention twoSchematic diagram.
Detailed description of the invention
Referring now to accompanying drawing, example embodiment is more fully described. But example embodiment can be with manyThe form of kind is implemented, and should not be understood to be limited to embodiment set forth herein; On the contrary, provide these enforcementExample makes the disclosure will be comprehensively and complete, and the design of example embodiment is conveyed to this area all sidedlyTechnical staff. Identical in the drawings Reference numeral represents same or similar part, thereby will omit itBe repeated in this description.
In addition, described feature, structure or characteristic can be combined in any suitable manner one orIn more embodiment. In the following description, thus provide many details to provide reality of the present disclosureExecute fully understanding of example. But, one of skill in the art will appreciate that and can put into practice technology of the present disclosureScheme and there is no one or more in described specific detail, or can adopt other method, constituent element,Material, device, step etc. In other cases, be not shown specifically or describe known features, method,Device, realization, material or operation are to avoid fuzzy each side of the present disclosure.
Block diagram shown in accompanying drawing is only functional entity, not necessarily must with entity independently physicallyCorresponding. That is, can adopt software form to realize these functional entitys, or at one or more hardwareIn device or integrated circuit, realize these functional entitys, or at heterogeneous networks and/or processor device and/or micro-controlIn apparatus processed, realize these functional entitys.
Embodiment mono-
For addressing the above problem, the invention provides a kind of automatically blank feeding equipment, composition schematic diagram asShown in Fig. 1, comprising:
Conveyer chain 11, for laterally transporting blank (not shown in figure 1);
Conveyor roller 12 is for receiving and longitudinally transport blank, and the first side of conveyor roller 12 connects fortuneThe terminal of defeated chain 11, for blank;
The first detector 13, is arranged on the second side of conveyor roller 12, and with the position of conveyer chain 11Corresponding, be clipped to of conveyor roller 12 for detection of head and the portion of blank on conveyor roller 12The distance of dual side-edge;
Controller 14, connects the first detector 13, for according to the head of blank on conveyor roller 12 andPortion is clipped to the running status of the distance control conveyer chain 11 of the second side of conveyor roller 12.
Those skilled in the art will be appreciated that general blank is all strip, and cross section is rectangle or square," rectangular bloom " or " square billet " namely often said, therefore in the present invention, " conveyer chain is for laterally transportingBlank " in so-called " laterally " refer to the direction perpendicular with the rectangular direction of blank, so-called " verticalTo " refer to the direction paralleling with the rectangular direction of blank.
Head and portion that the first detector 13 can detect blank are clipped to second of conveyor roller 12The distance of side, but on also needing first to conveyor roller 12 before carrying out this step detection, whether haveBlank detects, and in the automatically blank feeding equipment that therefore the present embodiment provides, also comprises:
The second detector 15, is arranged on the below of conveyor roller 12, and relative with the position of conveyer chain 11Should, the second detector 15 is also connected with controller 14, for detection of whether there being blank on conveyor roller 12,And will whether there is the testing result of blank to send to controller 14.
Wherein the first detector 13 comprises at least two laser range finders, and the second detector 15 comprises at leastAn approach switch. In an optional embodiment, the first detector 13 comprises two laser range finders,Be arranged on the second side of conveyor roller 12, the second detector 15 comprises an approach switch, is arranged onThe below of conveyor roller 12. Because the length of the blank of different batches is not quite similar, if two Laser MeasuringExcessive apart from the distance between instrument, and the length of blank is too small, and blank may be positioned at two laser justIn the gap of rangefinder, cause laser range finder cannot measure the position of blank, namely there is no reading;Also likely only have a laser range finder to measure the position of blank, another laser range finder cannot be surveyedAmount, to the position of blank, namely only has on a laser range finder and has reading. Both of these case all can be ledCause the first detector and cannot effectively know that the head of blank and portion are clipped to the second side of conveyor roller 12The distance on limit, therefore according to conventional charge length Sizes determine the position of two laser range findersAnd distance between the two, guarantee that laser range finder can work effectively, produce corresponding reading, withBe convenient to follow-uply can calculate the blank askew status in when transmission according to reading. And for the second detector,The number of approach switch wherein generally just can detect on conveyor roller, whether there is blank with one.
Further preferred, the first detector 13 can also comprise three laser range finders, if there is baseMaterial length is too small, and while being less than the distance between two laser range finders at edge, can utilize oneThe individual laser range finder at edge and head and the portion of the laser range finder of a centre to blank of being positioned atThe distance that is clipped to the second side of conveyor roller 12 detects. If meeting two, the length of blank is positioned atWhen distance between the laser range finder at edge, even if three laser range finders all can produce effective reading,Askew status when only marginate two readings could transmit for calculating blank as effective reading.Based on above-mentioned, the laser range finder in the first detector can also be more than four, but need to illustrateBe, no matter the number of laser range finder is two or multiple, only have just measure blank head andPortion is clipped to the reading of the distance of the side of conveyor roller 12 and just makes valid data for calculating blank transmissionTime askew status step.
Its middle controller is that (ProgrammableLogicController is called for short programmable logic controller (PLC)PLC) distance of second side that, is clipped to conveyor roller 12 according to the head of blank and portion is in conjunction with baseThe size of material and the width of conveyor roller 12 carry out COMPREHENSIVE CALCULATING, the askew status while obtaining blank transmission.Wherein the width of the size of blank and conveyor roller 12 is pre-entered into PLC, calculates blank and passesAfter askew status when defeated, can determine the relative position on conveyor roller 12 of blank, avoid blankWhile transmission, damage the baffle plate of conveyor roller 12 dual-sides on conveyor roller 12.
Although in the askew status process in the present embodiment in the time that COMPREHENSIVE CALCULATING blank transports according to blankHead and portion are clipped to the distance of the second side of conveyor roller 12, but it should be noted that, here" head " and " afterbody " in fact refer to blank two in a distance two in the longitudinal directionPosition, to be necessarily only confined to edge or some ready positions of head and afterbody, onlyWanting selected two positions is not apart that very closely (the distance distance of two positions is with respect to the length of whole blankDegree) just can be used as " head " and " afterbody ".
It should be noted that, the automatically blank feeding equipment in the present embodiment also comprises: conveyer chain drives dressPut 16, be connected with conveyer chain 11 and controller 14, be used to the operation of conveyer chain 11 that driving force is provided,And carry out corresponding operation according to the control instruction of controller 14 so that conveyer chain drive unit 16 inThe running status starting or stoping. Askew status when controller 14 transmits according to blank can produce two kindsControl instruction, " can continue " and " needing to suspend ". " can continue " to represent that blank does not exceed transportThe side of roller-way 12, can be to the gear of conveyor roller 12 dual-sides when blank transports on conveyor roller 12Plate causes damage, that is to say that blank can be transported to next station along conveyor roller 12, due to rightAnswer conveyer chain 11 and the blank of conveyor roller 12 material loading positions to be transported in time, therefore conveyer chain 11Can continue operation, next root blank is transported on conveyor roller 12; " need suspend " represents blankSome part has exceeded the side of conveyor roller 12, if continue transport on conveyor roller 12,Exceed part and can damage baffle plate, the askew status need to be to blank transmission on conveyor roller 12 now time is enteredRow is adjusted, because respective transfer chain 11 and the blank of conveyor roller 12 material loading positions are not transported in timeWalk, therefore need to stop the operation of conveyer chain 11, askew when the by the time transmission of the blank on conveyor roller 12After oblique state adjustment meets the requirements, restart conveyer chain 11 next root blank is transported to conveyor roller 12On. This control instruction is sent to conveyer chain drive unit 16 by controller 14, to control conveyer chain 11Operation, realizes and automatically controls conveyer chain 11, thereby realizes the control of automatic charging, can avoid existing skillIn art, transport according to the artificial output control device of observing the defect of bringing. It should be noted that the present embodimentJust utilize its direct implication name for control instruction, these two control instructions also can in actual applicationsCan be corresponding be " Yes " and " No ", " 1 " and " 0 " etc., repeat no more herein.
Also it should be noted that, the automatically blank feeding equipment in the present embodiment also comprises: conveyor roller drivesMoving device 17, is connected with conveyor roller 12 and controller 14, is used to the operation of conveyor roller 12 to provideDriving force, carries out corresponding operation according to the control instruction of controller. Conveyor roller drive unit 17 andIn conveyer chain drive unit 16, at least comprise a driving shaft and motor, if conveyer chain 11 or in fortuneThe length of defeated roller-way 12 is long, can also increase driving wheel or driven pulley and complete conveyer chain 11 and fortuneThe driving of defeated roller-way 12, need carry out specific design according to actual needs, repeats no more herein.
It should be noted that, the present embodiment middle controller 14 can be realized the technology controlling and process of whole system, ginsengSee Fig. 1, controller 14 connects the first detector 13, the second detector 15, conveyer chain drive unit 16With conveyor roller drive unit 17, for receiving the first detection, 13 and the signal of the second detector 15,Control conveyer chain 11 and conveyor roller 12.
The preferred structural representation of one of the automatically blank feeding equipment that the present embodiment provides as shown in Figure 2,Comprise blank 10, conveyer chain 11, conveyor roller 12, laser range finder (namely the first detector) 13,Approach switch (namely the second detector) 15, conveyer chain driving shaft (namely conveyer chain drive unit)16 and conveyor roller driving shaft (namely conveyor roller drive chain) 17, not shown controller 14 in Fig. 2.In addition, in Fig. 2, the number of laser range finder is 2, and the number of conveyer chain driving shaft is 1, transportThe number of roller-way driving shaft is 2.
Utilize the automatically blank feeding equipment shown in above-mentioned Fig. 1 or Fig. 2, after conveyer chain 11 starts, blank10 are transported on conveyor roller 12 by conveyer chain 11, when the second detector of conveyor roller 12 belows15 detect now while having blank 10 on conveyor roller 12, start to read blank by the first detector 13Head and portion are clipped to the reading of the distance of the second side of conveyor roller 12, and this reading is sent toController. Controller is according to the reading of the second detector, in conjunction with the size of blank and conveyor roller 12Width carries out COMPREHENSIVE CALCULATING, the askew status when obtaining blank and transmitting on conveyor roller 12, and produce with thisRaw corresponding control instruction, controls the running status of conveyer chain 11.
Beneficial effect of the present invention is, is clipped to conveyor roller by detecting the head of blank and portionThe distance of second side, and then askew status while calculating the transmission of blank on conveyor roller is to learnWhether blank can in servicely carry out smoothly ensuing on conveyor roller, avoids causing device damage.
Skew condition may be there is for the situation that once goes up a blank, the said equipment pair need to be utilizedThe operation that starts or stops of conveyer chain is controlled. In actual use procedure, the feelings that also can likely occurCondition is: because every blank is all closely laid in conveyer chain, also there will be once by two blanksExpect on conveyor roller, conveyor roller cannot be run well, and two blank width exceed conveyor rollerWidth causes problems such as breaking baffle plate, equipment the opening conveyer chain that can adopt equally the present embodiment to provideMove or out of service control, avoid causing device damage.
Embodiment bis-
For solving the problems of the technologies described above, based on above-described embodiment, in the present embodiment, also provide a kind of blankThe control method of automatic charging equipment, wherein automatic charging equipment comprises the transport for laterally transporting blankChain and for receiving and longitudinally transport the conveyor roller of blank, the steps flow chart of this control method is as Fig. 3 instituteShow, comprising:
Step S20, in the time having blank on conveyor roller, detect head and the portion of blank and be clipped to transport rollerThe distance of the second side in road;
Step S30, the distance that is clipped to the second side of conveyor roller according to the head of blank and portion are calculatedAskew status when blank transmission, the running status of control conveyer chain.
It should be noted that, be generally clipped to transport in head and the portion of carrying out step S20 detection blankBefore the distance of the second side of roller-way, also comprise:
On step S10, detection conveyor roller, whether there is blank, if there is blank, carry out step S20The head of detection blank and portion are clipped to the distance of the second side of conveyor roller; If there is no blank,Repeating step S10 detects on conveyor roller whether have blank, until enter while having blank on conveyor roller againThe head of row step S20 detection blank and portion are clipped to the distance of the second side of conveyor roller.
When the conveyer chain of transport blank starts, blank is sent on conveyor roller by conveyer chain, works as transport rollerWhen approach switch on road has detected material, start the numerical value of read head and afterbody laser range finder (alsoBe exactly the numerical value of the head of corresponding blank and the laser range finder of afterbody), PLC by billet size,The head of roller-way width and blank and portion are clipped to the distance of the second side of conveyor roller and comprehensively countCalculate, the askew status while calculating blank transmission, stops conveyer chain automatically.
Head and the portion of wherein in step S20, utilizing at least two laser range finders to detect blank are clipped toWhether the distance of the second side of conveyor roller, utilizing at least one approach switch to detect on conveyor roller hasBlank. In practical application, the number of the laser range finder in the first detector is that two, three are even manyIndividual, can select as required, the number of the approach switch in the second detector general with one with regard to energyDetect and on conveyor roller, whether have blank.
Step S30 is clipped to the distance calculating of the second side of conveyor roller according to the head of blank and portionThe steps flow chart of askew status when blank transmission as shown in Figure 4, comprising:
Numerical value on laser range finder corresponding to step S31, the head that reads blank and afterbody;
Step S32, according to the numerical value on the head of blank and laser range finder corresponding to afterbody, calculateThe head of blank and portion are clipped to the distance of the second side of conveyor roller;
Step S33, be clipped to the distance combination of the second side of conveyor roller according to the head of blank and portionThe size of blank and the width of conveyor roller carry out COMPREHENSIVE CALCULATING, the askew status while obtaining blank transmission.
In addition, the running status of controlling conveyer chain in step S30 comprises:
If it is pre-conditioned that the askew status while calculating blank transmission meets, control conveyer chain and startOperation; If it is pre-conditioned that the askew status while calculating blank transmission does not meet, control conveyer chainOut of service, wherein pre-conditionedly meet safety requirements during for conveyor roller operation blank, namely refer to baseMaterial does not exceed two sides of conveyor roller, according to meeting whether pre-conditioned produce corresponding " can continue "The control instruction that " needs to suspend ", thus the operation of conveyer chain is controlled.
Principle schematic for " pre-conditioned " in the present embodiment in conjunction with Fig. 5, is described as follows:
By host computer, the size of blank is passed in controller PLC, blank width is 250～280mm,Represent with W, laser range finder (namely the first detector 13) is apart from a baffle plate of conveyor roller 12The distance of (namely second side) is L, and the width of conveyor roller is 450mm, conveyor roller wideThe information of degree W also transfers in controller PLC. When approach switch (namely the second detector 15)When signal detected, start to read the signal of laser range finder, when the signal of two laser range finders hasReading, and between preset range: minimum of a value L+450-W-(W-50)/2 and maximum L+450-W-50Time, stop conveyer chain. If while having two or a signal to be greater than maximum, controller drives to conveyer chainMoving device sends the control instruction of " can continue ", continues operation conveyer chain; If there is a detection signalWhile being less than minimum of a value, need to send immediately the control of " needing to suspend " to conveyer chain drive unit by controllerInstruction processed, thus conveyer chain stopped, and send warning message. In sum, beneficial effect of the present inventionBe same as embodiment mono-, be clipped to the second side of conveyor roller by detecting the head of blank and portionDistance, and then askew status while calculating the transmission of blank on conveyor roller is to learn that blank is in transportOn roller-way, whether can in servicely carry out smoothly ensuing, avoid causing device damage.
Those skilled in the art should recognize and do not departing from disclosed of the appended claim of the present inventionThe variation of doing in the situation of scope of invention and spirit and retouching, all belong to the guarantor of claim of the present inventionWithin protecting scope.
Claims (10)
1. an automatically blank feeding equipment, is characterized in that, comprising:
Conveyer chain, for laterally transporting blank;
Conveyor roller, for receiving and longitudinally transport described blank, the first side of described conveyor roller connectsConnect the terminal of described conveyer chain;
The first detector, is arranged on the second side of described conveyor roller, and with the position of described conveyer chainCorresponding, be clipped to described conveyor roller for detection of the head of blank on described conveyor roller and portionThe distance of second side;
Controller, connects described the first detector, for the transport roller detecting according to described the first detectorOn road, the head of blank and portion are clipped to described in the distance control of second side of described conveyor roller and transportThe running status of chain.
2. automatically blank feeding equipment as claimed in claim 1, is characterized in that, also comprises:
The second detector, is arranged on the below of described conveyor roller, and relative with the position of described conveyer chainShould, whether described the second detector is also connected with described controller, for detection of having on described conveyor rollerBlank, and will whether have the testing result of blank to send to described controller.
3. automatically blank feeding equipment as claimed in claim 2, is characterized in that, described the first detectorComprise at least two laser range finders, described the second detector comprises at least one approach switch.
4. automatically blank feeding equipment as claimed in claim 1, is characterized in that, described controller is canProgrammed logic controller PLC, is clipped to of described conveyor roller according to the head of described blank and portionThe distance of dual side-edge is carried out COMPREHENSIVE CALCULATING in conjunction with the size of blank and the width of described conveyor roller, obtains instituteAskew status while stating blank transmission.
5. automatically blank feeding equipment as claimed in claim 1, is characterized in that, also comprises:
Conveyer chain drive unit, is connected with described conveyer chain and described controller, is used to described conveyer chainOperation driving force is provided, and carry out corresponding operation according to the control instruction of described controller, so that instituteState the running status of conveyer chain drive unit in starting or stoping.
6. a control method for automatically blank feeding equipment, described automatic charging equipment comprises for laterallyTransport the conveyer chain of blank and for receiving and longitudinally transport the conveyor roller of blank, it is characterized in that instituteStating control method comprises:
In the time having blank on described conveyor roller, the head and the portion that detect described blank are clipped to transport rollerThe distance of the second side in road;
The distance that is clipped to the second side of conveyor roller according to the head of described blank and portion is calculated blankAskew status when transmission, controls the running status of described conveyer chain.
7. control method as claimed in claim 6, is characterized in that, the head of the described blank of described detectionBefore being clipped to the distance of second side of conveyor roller with portion, also comprise:
Detect on described conveyor roller whether have blank, if there is blank, detect the head of described blankBe clipped to the distance of conveyor roller side with portion; If there is no blank, transport roller described in duplicate detectionOn road, whether there is blank, until detect head and the afterbody of described blank while having blank on described conveyor rollerDivide the distance of the second side that is clipped to conveyor roller.
8. control method as claimed in claim 7, is characterized in that, utilizes at least two laser range findersDetect the distance that the head of described blank and portion are clipped to the second side of conveyor roller, utilize at least oneIndividual approach switch detects on described conveyor roller whether have blank, and wherein said laser range finder is arranged on instituteState the first side of conveyor roller, described approach switch is arranged on the below of described conveyor roller, and described inThe setting position of laser range finder and described approach switch is all corresponding with the position of described conveyer chain.
9. control method as claimed in claim 8, is characterized in that, described according to the head of described blankPortion and portion are clipped to the distance of the second side of conveyor roller and calculate the blank askew status bag in when transmissionDraw together:
Read the numerical value on the laser range finder that the head of described blank and afterbody are corresponding;
According to the numerical value on the head of described blank and laser range finder corresponding to afterbody, described in calculatingThe head of blank and portion are clipped to the distance of the second side of conveyor roller;
Be clipped to the distance combination of the second side of described conveyor roller according to the head of described blank and portionThe size of blank and the width of described conveyor roller carry out COMPREHENSIVE CALCULATING, askew while obtaining the transmission of described blankTiltedly state.
10. control method as claimed in claim 6, is characterized in that, the operation of described control conveyer chainState comprises:
If it is pre-conditioned that the askew status while calculating described blank transmission meets, control described fortuneDefeated chain starts operation; If described in askew status while calculating the transmission of described blank do not meet default barPart, controls described conveyer chain out of service, wherein said pre-conditioned be described conveyor roller operation baseWhen material, meet safety requirements.
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| CN201510956848.6A CN105584825B (en) | 2015-12-19 | 2015-12-19 | A kind of automatically blank feeding equipment and its control method |
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| CN201510956848.6A CN105584825B (en) | 2015-12-19 | 2015-12-19 | A kind of automatically blank feeding equipment and its control method |
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| CN105584825B CN105584825B (en) | 2018-09-07 |
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| CN105584825B (en) | 2018-09-07 |
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