CN1978210A - Laser marking system and method for automatic production line - Google Patents
Laser marking system and method for automatic production line Download PDFInfo
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- CN1978210A CN1978210A CN 200510101943 CN200510101943A CN1978210A CN 1978210 A CN1978210 A CN 1978210A CN 200510101943 CN200510101943 CN 200510101943 CN 200510101943 A CN200510101943 A CN 200510101943A CN 1978210 A CN1978210 A CN 1978210A
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Abstract
This invention relates to a laser punching system for automatic production lines including; a belt conveyer and its step drive system, multiple laser punching machines matched in the punched region fixedly and multiple turnover clamp sets moving along with the belt conveyer of the production line, in which, each clamp set is composed of multiple parallel clamp units and the multiple turnover clamp sets are corresponding to the multiple laser punch machines one by one, said belt conveyer moves a step, the multiple turnover clamp sets are sent to the punch region, the laser punching machines punch different code information to multiple being punched products in the clamp sets, then the belt moves another step to operate the next turn.
Description
Technical field
The present invention relates to a kind of product be carried out the automatic assembly line of online laser marking, relate in particular to improvement laser marking system on the automatic assembly line and method.
Background technology
Along with the development of automatic identification technology, the two-dimensional bar code code system is more and more, and capacity is increasing, and corresponding recognizing apparatus is also updated and is extensive use of, and a kind of means as ecommerce and trade management of two-dimensional bar code more and more come into one's own.For example aspect drug control and tobacco business, wish that each box medicine or cigarette all have an independently numbering, this numbering is represented with two-dimensional bar code, with low cost, recognition is simple, is convenient to the information system management of country, so the demand that becomes a reality of the autocoding mark of product.
General earlier bar code being printed on the adhesive sticker sticks in the product or the packing of product more by hand in the prior art, and the barcode label of formation is not firm, and is fragile.This method labour intensity is big, and production efficiency is low, and inconvenience realizes modern production control and management.If use laser marking machine in the product or the packing of product, to print two-dimensional bar code, not only can get meticulous bar code sign indicating number figure, and the sign indicating number figure that forms is not fragile, edit efficient and convenient, but autocoding.But laser marking machine independently, its production efficiency can not satisfy the demand of modern production.
Along with the development of automatic technology, production line is all adopted in the manufacturing in enormous quantities of product, and the printing of barcode number also should be carried out on production line.But because the need of work of laser marking machine is accurately located, and the printing of sign indicating number figure needs a period of time each time, in this following period of time, require to be beaten the product of sign indicating number and the position relative fixed of laser marking machine, just can make the sign indicating number figure location of getting accurately indeformable, otherwise,, can influence outward appearance attractive in appearance of product if sign indicating number figure location is inaccurate; If the synchronous bad yard figure of product that makes mark machine in the sign indicating number process and beaten sign indicating number will be out of shape, bar code recognizing apparatus just can not correctly be distinguished decoding.The simple combination of therefore existing mark machine and production line can not satisfy the requirement of the laser marking of one yard of a thing.
Notification number is that the patent document of CN2557431Y discloses a kind of online anti-fake mark machine, this mark machine is by displacement or velocity compensation, solved the tracking mark problem of mobile object to a certain extent, as long as velocity-stabilization, just can print satisfied mark, but this machine has strict requirement to the stability of on-line velocity, otherwise needs the complicated system of design or pay the tracking problem that higher cost could solve speed.
Summary of the invention
The technical problem to be solved in the present invention is the system and method that design is a kind of efficiently, can carry out laser marking continuously to the product on the conveyer belt of automatic assembly line.
The present invention adopts following technical scheme to solve above-mentioned technical problem:
A kind of laser marking system of automatic assembly line comprises:
Conveyer belt and drive the step-by-step movement transmission system that conveyer belt moves, be used to transport orderly arrangement mark production life cycle formula sexual refractoriness for the treatment of move a quantitative step-length;
Fixed configurations is at many laser marking machines that are arranged in together in mark district, is used for the coded digital that is stored in computer system or figure mark be printed on treating the mark product;
The a plurality of turnover anchor clamps groups that move with the conveyer belt of automatic assembly line, this turnover anchor clamps group is made up of a plurality of fixture units that are arranged in together, be used to clamp and a plurality ofly treat the mark product and make these a plurality of mark products for the treatment of have accurate relative position relation that a plurality of laser marking machines in described a plurality of turnover anchor clamps groups and the described mark district are one-to-one relationship;
Described conveyer belt moves a step-length, a plurality of turnover anchor clamps groups for the treatment of the mark product is housed is admitted to the mark district, and described many laser marking machines while each product in the turnover anchor clamps group of correspondence are respectively printed different coded messages; After printing was finished, conveyer belt moved a step-length again, and the turnover anchor clamps group of mark is moved out of the mark district and enters discharge zone, and new being equipped with treats that the turnover anchor clamps group of mark product moves into the mark district along feedstock direction, carries out next round mark action.Provide two specific embodiments below.
Scheme one: described laser marking machine be arranged on described conveyer belt orbit directly over, described discharge zone is the downstream area of conveyer belt after the mark district; Described conveyer belt moves a step-length a plurality of turnover anchor clamps groups for the treatment of the mark product that are equipped with is waited for after the updrift side in mark district is sent into the mark district, and described many laser marking machines a plurality of the treat mark products of while in the turnover anchor clamps group of correspondence are respectively printed different coded messages respectively; Conveyer belt continued to move a step-length after printing was finished, when a plurality of turnover anchor clamps groups of mark continue to shift out the mark district along the downstream direction of conveyer belt, the new turnover anchor clamps group for the treatment of the mark product that is equipped with is admitted to the mark district from described updrift side, carries out the mark action of next round.
Scheme two: described conveyer belt comprises material loading conveyer belt and the blanking conveyer belt that be arranged in parallel, described mark district is the stamp pad that is set in parallel between described material loading conveyer belt and the blanking conveyer belt, be connected by the charging slideway between described material loading conveyer belt and the stamp pad, this charging slideway is provided with feed arrangement away from the initiating terminal of stamp pad one side; Be connected by the blanking slideway between described blanking conveyer belt and the stamp pad; Described material loading conveyer belt is delivered to the wait of material loading conveyer belt terminal section a plurality of turnover anchor clamps groups for the treatment of the mark product are housed, stamp pad after the free time described a plurality of turnover anchor clamps groups be pushed into described stamp pad by the charging slideway, described many laser marking machines a plurality of mark products for the treatment of in the turnover anchor clamps group under it are respectively printed different coded messages; After printing was finished, a plurality of turnover anchor clamps groups that interior dress has been printed the product of coded message were pushed away described stamp pad by the back from the turnover anchor clamps group of charging slideway, drop on the blanking conveyer belt and enter next process through described blanking slideway.
The residing height height of the residing aspect ratio blanking of described stamp pad conveyer belt, the blanking slideway of described stamp pad of described connection and blanking conveyer belt is the inclined plane, and the turnover anchor clamps group that enters the blanking slideway is slipped to the blanking conveyer belt automatically and enters next process by deadweight.Described feed arrangement comprises that magnetic valve, travel switch, cylinder and turnover anchor clamps are to level sensor.
A side that is positioned at stamp pad at described blanking slideway is provided with block, when the charging slideway is opened, when being positioned at turnover anchor clamps group on the described conveyer belt and being pushed into stamp pad, block on the blanking slideway is opened, and is positioned at stamp pad originally and has finished the turnover anchor clamps group nothing in my way of mark and be pushed into the blanking slideway and then be slipped to described blanking conveyer belt.
In scheme one and scheme two, described turnover anchor clamps group is provided with convenient pinpoint coordinate reference mark, when turnover anchor clamps group moves into the mark district, described laser marking machine is by seeking the described witness marker of identification, direction and position according to the position calculation mark of each witness marker, carry out the curved surface calibration, make described laser marking machine aim at turnover anchor clamps group and realize mark.
The coordinate reference mark of turnover anchor clamps group upper surface can be a cross hairs or two cross hairs that are distributed in diverse location, also can be other signs of being convenient to discern.
The technical solution adopted in the present invention also comprises a kind of laser marking method of automatic assembly line, and this method comprises the steps:
A. a plurality of fixture units are fixedly connected into turnover anchor clamps group with calculated in advance good arranged at certain intervals and head and the tail, make can be accurately positioned after a plurality of turnover anchor clamps groups for the treatment of the mark product are housed enters the mark district, and described a plurality of turnover anchor clamps group enter behind the mark district with described mark district in many laser marking machines be one-to-one relationship;
B. treat the conveyer belt that the mark product is packed into and had enough to meet the need in the anchor clamps group and enter automatic assembly line successively;
C. conveyer belt moves a step-length, comes the top a plurality of turnover anchor clamps groups of mark product that are equipped with and is not admitted to behind the mark district conveyer belt and stops to wait for and print;
D. many laser marking machines in the mark district are searched the coordinate position whether the coordinate reference mark of discerning the turnover anchor clamps group upper surface under it is positioned at system's regulation respectively, are accurately positioned to guarantee each corresponding with it the respectively a plurality of mark product for the treatment of that have enough to meet the need in anchor clamps group of many laser marking machines in the described mark district;
E. many laser marking machines in the mark district are printed different coded messages to the mark product for the treatment of in a plurality of turnover anchor clamps groups under it respectively;
F. conveyer belt continues to move a step-length, and a plurality of turnover anchor clamps groups of mark shift out the mark district, and the turnover anchor clamps group of mark does not move into the mark district, returns steps d and carries out next round mark action.
Compared with prior art, the laser marking system of automatic assembly line of the present invention and method thereof have following advantage: use many existing laser marking machines, be implemented on the automatic assembly line and simultaneously a plurality of products carried out laser marking; And the making of print What, layout and output are finished by computer system control.
Description of drawings
The present invention includes following accompanying drawing:
Fig. 1 is the schematic top plan view of the laser marking system embodiment one of automatic assembly line of the present invention;
Fig. 2 is the schematic top plan view of the laser marking system embodiment two of automatic assembly line of the present invention
Fig. 3 is the workflow diagram of the laser marking system of automatic assembly line of the present invention;
Fig. 4 is the work schedule schematic diagram of step-by-step movement conveyer belt of the present invention.
The specific embodiment
The present invention is mainly used in and is printing two-dimensional bar code on to the product or the packing of product on the automatic assembly line, utilizes two-dimensional bar code to realize product is carried out the coding of one yard of a thing, is convenient to trade management and information system management.
The laser marking system of automatic assembly line of the present invention for one of each part product dispensation is independently encoded, and sends this coded data to laser marking machine by a microcomputer centralized Control.The laser marking system of automatic assembly line of the present invention such as Fig. 1 or shown in Figure 2 comprise:
Conveyer belt 11 and drive the step-by-step movement transmission system that conveyer belt 11 moves, be used to transport orderly arrangement mark production life cycle formula sexual refractoriness for the treatment of move a quantitative step-length; This step-by-step movement conveyer belt can utilize step motor control.The working timing figure of step-by-step movement conveyer belt begins to move at the rising edge step-by-step movement conveyer belt 11 of pulse as shown in Figure 4, stops laser marking machine 13 work simultaneously at the trailing edge step-by-step movement conveyer belt 11 of pulse.
Fixed configurations is at many laser marking machines 13 that are arranged in together in mark district, is used for the coded digital that is stored in computer system or figure mark be printed on treating the mark product; Utilize the laser marking machine 13 can be in the product or the packing of product, select the laser marking machine 13 of different model can directly mark on papery, metal or other material the direct high-temperature firing of two-dimensional bar code.
The a plurality of turnover anchor clamps groups 15 that move with the conveyer belt 11 of automatic assembly line, each turnover anchor clamps group 15 is made up of a plurality of fixture units that are in juxtaposition, be used to clamp and a plurality ofly treat the mark product and make these a plurality of mark products for the treatment of have accurate relative position relation, a plurality of mark products for the treatment of that turnover anchor clamps group 15 is clamped are corresponding with certain laser marking machine 13, finish this a plurality of marks for the treatment of the mark product by this mark machine; A plurality of laser marking machines 13 in described a plurality of turnover anchor clamps group 15 and the described mark district are one-to-one relationship;
Described conveyer belt 11 moves a step-length, a plurality of turnover anchor clamps groups 15 for the treatment of the mark product is housed is admitted to the mark district, and described many laser marking machines 13 a plurality of the treat mark products of while in each turnover anchor clamps group 15 are respectively printed different coded messages respectively; After printing was finished, conveyer belt 11 moved a step-length again, and a plurality of turnover anchor clamps groups 15 of mark are moved out of the mark district and enter discharge zone, and new being equipped with treats that a plurality of turnover anchor clamps groups 15 of mark product move into the mark district along feedstock direction, carry out next round mark action.
Technique scheme has multiple implementation, provides two kinds of specific embodiments below.
Embodiment one: described mark district be arranged on described conveyer belt 11 orbits directly over, described discharge zone is the downstream area of conveyer belt 11 after the mark district; Described conveyer belt 11 moves a step-length and waits for after the updrift side in mark district is sent into the mark district a plurality of turnover anchor clamps groups 15 for the treatment of the mark product are housed, and described many laser marking machines 13 a plurality of the treat mark products of while in the turnover anchor clamps group 15 of correspondence are respectively printed different coded messages respectively; Conveyer belt 11 continued to move a step-length after printing was finished, when the product of having printed coded message in a plurality of turnover anchor clamps groups 15 continues to shift out the mark district along the downstream direction of conveyer belt 11, the new turnover anchor clamps group 15 for the treatment of the mark product that is equipped with is admitted to the mark district from described updrift side, carry out the mark action of next round, as shown in Figure 1.
Embodiment two: be equipped with one or many on-line automatic coding laser marking machines on static stamp pad, material loading conveyer belt along the directions X operation, with the stamp pad of arranging in order of serving for the treatment of the mark production life cycle, after finishing laser printing, serve the blanking conveyer belt again, enter next process.Be that described conveyer belt 11 comprises material loading conveyer belt 21 and the blanking conveyer belt 25 that be arranged in parallel, described mark district is the stamp pad 23 that is set in parallel between described material loading conveyer belt 21 and the blanking conveyer belt 25, be connected by charging slideway 27 between described material loading conveyer belt 21 and the stamp pad 23, this charging slideway 27 is provided with feed arrangement away from the initiating terminal of stamp pad 23 1 sides; Be connected by blanking slideway 29 between described blanking conveyer belt 25 and the stamp pad 23; Described material loading conveyer belt 21 is delivered to the wait of material loading conveyer belt 21 terminal sections a plurality of turnover anchor clamps groups 15 for the treatment of the mark product are housed, stamp pad after 23 free time these a plurality of turnover anchor clamps groups 15 be pushed into described stamp pad 23 by charging slideway 27 respectively, described many laser marking machines respectively simultaneously a plurality of mark products for the treatment of in each turnover anchor clamps group 15 print different coded messages respectively; After printing is finished, the turnover anchor clamps group 15 that interior dress has been printed the product of coded message is pushed away described stamp pad 23 by the back from the turnover anchor clamps group 15 of charging slideway 27, drop on blanking conveyer belt 25 and enter next process through described blanking slideway 29, as shown in Figure 2.
Respectively two embodiment are described in further details below in conjunction with Fig. 1 and Fig. 2.
Embodiment one as shown in Figure 1, on conveyer belt 11 fixed configurations three on-line automatic coding laser marking machines 13, comprise mark machine A, mark machine B and mark machine C, this laser marking machine 13 possesses the function of plane and the mark of curved surface any direction.Treating that mark product (not shown) is divided on automatic assembly line is assembled into and is fixed in the turnover anchor clamps group 15, conveyer belt 11 whenever moves a step-length, three turnover anchor clamps groups 15 are sent to the mark district that is equipped with three on-line automatic coding laser marking machines 13 together, and each has enough to meet the need the laser marking machine 13 that the mark product is corresponding different respectively for the treatment of in anchor clamps group 15.
Described turnover anchor clamps group 15 is treated with one group that the mark product is concentrated in an orderly manner and is fixed together, makes this group treat that the mark product has the accurate relative position relation.This group treats that the quantity of mark product can also can set according to the best stream time of laser marking machine 13 according to convenient fixedly setting in turnover anchor clamps group 15.
On turnover anchor clamps group 15, witness marker 151 is arranged, this witness marker 151 can be one or two cross hairs (shown in the figure of the present invention is the cross hairs that is positioned at adjacent both sides) that are positioned on the predefined exact position, also can be other sign of being convenient to laser marking machine 13 identifications.The shape of this turnover anchor clamps group 15 can be the arbitrary shape that is suitable for treating that the mark product is fixing, and shown in the accompanying drawing of the present invention is rectangle.
The connecting gear of described conveyer belt 11 can adopt stepper motor, perhaps adopts pneumatic system and servomotor to carry out transmission and location, according to the predefined time cycle, and fixing step-length of each run.The setting of this time cycle must cooperate to organize more to be treated the mark product grouping and is fixed into turnover anchor clamps 15 needed times of group and laser marking machine 13 to finish every group of needed time of mark for the treatment of the mark product.The mutual spacing of each part turnover anchor clamps group 15 must cooperate the position of laser marking machine 13, makes to treat that the mark product just in time cooperates the position of laser marking machine 13 behind the each run fixed step size.
When turnover anchor clamps group 15 is admitted to the mark district, laser marking machine 13 is at first sought the described witness marker 151 of identification, according to the direction and the position of the position calculation mark of each witness marker 151, thereby carry out that the curved surface calibration makes that system of the present invention has that the mark position is accurate, character is clear, autocoding, advantage such as safe and efficient.
Fig. 2 is the schematic diagram of the embodiment of the invention two.Identical parts among the numbering identical representative and Fig. 1 among Fig. 2 with Fig. 1.Comprise material loading conveyer belt 21 among Fig. 2, be equipped with the stamp pad 23 and the blanking conveyer belt 25 of many on-line automatic coding laser printers 13 (shown in the figure being three).The charging slideway 27 that connects material loading conveyer belt 21 and stamp pad 23, and the blanking slideway 29 that connects stamp pad 23 and blanking conveyer belt 25.
Material loading conveyer belt 21 is step-by-step movement operations, the setting of its step-length and blanking time, with and operation and control be similar to step-by-step movement conveyer belt 11 among Fig. 1.The present invention does not have specific (special) requirements to blanking conveyer belt 25.Turnover anchor clamps group 15 with witness marker 151 has been fixed one group and has been treated the mark product, three turnover anchor clamps groups 15 wait on the terminal section of material loading conveyer belt 21, and three turnover anchor clamps groups 15 enter stamp pad 23 by charging slideway 27 simultaneously when laser printer 13 is idle.When three laser marking machines 13 finish respectively treat the mark of mark product in the corresponding turnover anchor clamps group 15 after, these three turnover anchor clamps groups 15 enter blanking conveyer belt 25 by the blanking slideway, enter next process.
Fig. 3 is the workflow diagram of the laser marking system of automatic assembly line of the present invention, mainly comprise four steps that circulation is carried out: first, treat that the mark product is grouped and is fixed in the turnover anchor clamps group 15, arranges on step-by-step movement conveyer belt 11,21 with pre-set interval S1; With the quantity of a collection of turnover anchor clamps group 15 that enters the mark district platform number corresponding to the on-line automatic coding laser marking machine of this system configuration; After this batch turnover anchor clamps group 15 is admitted to print zone, prepare next group again, so repeatedly.Second, the step-by-step movement conveyer belt moves a step-length, and this batch turnover anchor clamps group 15 that will finish mark sends print zone, and the turnover anchor clamps group 15 that another batch is new is sent into the print zone that correspondence disposes many laser marking machines 13, and establishing and finishing this step required time is T1 (referring to Fig. 4).The 3rd, mark zone and direction are located and be provided with to on-line automatic coding laser marking machine 13 just according to the witness marker 151 on the turnover anchor clamps group 15, finish mark to a set product, if the time that finishing this step needs is T2 (referring to Fig. 4), T2 can be a regular length, also can be the unfixed time, send mark at whole laser marking machines and finish signal setting.Repeated for first to the 3rd step.
Fig. 4 is the working timing figure of step-by-step movement conveyer belt of the present invention, rising edge step-by-step movement conveyer belt in pulse begins to move, trailing edge step-by-step movement conveyer belt in pulse stops, laser printer work simultaneously, here hypothesis turnover anchor clamps group 15 is treated fixedly that the mark product is concentrated and is carried out regularly, and does not influence the operation sequential of step-by-step movement conveyer belt.
Claims (10)
1, a kind of laser marking system of automatic assembly line comprises:
Conveyer belt (11) and drive the step-by-step movement transmission system that conveyer belt (11) moves, be used to transport orderly arrangement mark production life cycle formula sexual refractoriness for the treatment of move a quantitative step-length;
Fixed configurations is at many laser marking machines (13) that are arranged in together in mark district, is used for treating the mark product being printed on from the coded digital of computer system or figure mark; It is characterized in that:
Also comprise a plurality of turnover anchor clamps groups (15) that the conveyer belt (11) with automatic assembly line moves, this turnover anchor clamps group (15) is made up of a plurality of fixture units that are arranged in together, be used to clamp and a plurality ofly treat the mark product and make these a plurality of mark products for the treatment of have accurate relative position relation, described a plurality of turnover anchor clamps groups (15) are one-to-one relationship with a plurality of laser marking machines (13) in the described mark district;
Described conveyer belt (11) moves a step-length, a plurality of turnover anchor clamps groups (15) for the treatment of the mark product are housed are admitted to the mark district, described many laser marking machines (13) a plurality of the treat mark products of while in the turnover anchor clamps group (15) of correspondence are respectively printed different coded messages respectively; After printing was finished, conveyer belt (11) moved a step-length again, and the turnover anchor clamps group (15) of mark is moved out of the mark district and enters discharge zone, and new being equipped with treats that the turnover anchor clamps group (15) of mark product moves into the mark district along feedstock direction, carries out next round mark action.
2, laser marking system according to claim 1 is characterized in that, described mark district be arranged on described conveyer belt (11) orbit directly over, described discharge zone is the downstream area of conveyer belt (11) after the mark district; Described conveyer belt (11) moves a step-length a plurality of turnover anchor clamps groups (15) for the treatment of the mark product that are equipped with is waited for after the updrift side in mark district is sent into the mark district, and described many laser marking machines (13) a plurality of the treat mark products of while in a plurality of turnover anchor clamps groups (15) are respectively printed different coded messages respectively; Conveyer belt after printing is finished (11) continues to move a step-length, when a plurality of turnover anchor clamps groups (15) that interior dress has been printed the product of coded message continue to shift out the mark district along the downstream direction of conveyer belt (11), the new a plurality of turnover anchor clamps groups (15) for the treatment of the mark product that are equipped with are admitted to the mark district from described updrift side, carry out the mark action of next round.
3, laser marking system according to claim 1, it is characterized in that, described conveyer belt (11) comprises material loading conveyer belt (21) and the blanking conveyer belt (25) that be arranged in parallel, described mark district is for being set in parallel in the stamp pad (23) between described material loading conveyer belt (21) and the blanking conveyer belt (25), be connected by charging slideway (27) between described material loading conveyer belt (21) and the stamp pad (23), this charging slideway (27) is provided with feed arrangement away from the initiating terminal of stamp pad (23) one sides; Be connected by blanking slideway (29) between described blanking conveyer belt (25) and the stamp pad (23); Described material loading conveyer belt (21) is delivered to the wait of material loading conveyer belt (21) terminal section a plurality of turnover anchor clamps groups (15) for the treatment of the mark product are housed, the idle described a plurality of turnover anchor clamps groups in back of stamp pad (23) (15) are pushed into described stamp pad (23) by charging slideway (27), and described many laser marking machines the treat mark product of while in a plurality of turnover anchor clamps groups (15) of correspondence are respectively printed different coded messages respectively; After printing is finished, a plurality of turnover anchor clamps groups (15) that interior dress has been printed the product of coded message are pushed away described stamp pad (23) by the back from the turnover anchor clamps group (15) of charging slideway (27), drop on blanking conveyer belt (25) and enter next process through described blanking slideway (29).
4, according to claim 1,2 or 3 described laser marking systems, it is characterized in that, the upper surface of described turnover anchor clamps group (15) is provided with convenient pinpoint coordinate reference mark (151), when turnover anchor clamps groups (15) move into the mark district, described laser marking machine (13) is by seeking identification described witness marker (151), direction and position according to the position calculation mark of each witness marker (151), carry out the curved surface calibration, make described laser marking machine (13) aim at turnover anchor clamps groups (15) and realize mark.
5, laser marking system according to claim 4 is characterized in that, the described coordinate reference mark (151) that is arranged on turnover anchor clamps groups (15) upper surface is a cross hairs or two cross hairs that are distributed in diverse location.
6, laser marking system according to claim 3, it is characterized in that, the residing height height of described stamp pad (23) residing aspect ratio blanking conveyer belt (25), the blanking slideway (29) of described stamp pad of described connection (23) and blanking conveyer belt (25) is the inclined plane, and the turnover anchor clamps group (15) that enters blanking slideway (29) is slipped to blanking conveyer belt (25) automatically and enters next process by deadweight.
7, laser marking system according to claim 3 is characterized in that, described feed arrangement comprises that magnetic valve, travel switch, cylinder and turnover anchor clamps are to level sensor.
8, laser marking system according to claim 3, it is characterized in that, a side that is positioned at stamp pad (23) at described blanking slideway (29) is provided with block, when charging slideway (27) is opened, when being positioned at turnover anchor clamps group (15) on the described material loading conveyer belt (21) and being pushed into stamp pad (23), block on the blanking slideway (29) is opened, and is positioned at stamp pad (23) originally and has finished turnover anchor clamps group (15) nothing in my way of mark and be pushed into blanking slideway (29) and then be slipped to described blanking conveyer belt (25).
9, a kind of laser marking method of automatic assembly line is characterized in that this method comprises the steps:
A. fixedly connected turnover anchor clamps group with calculated in advance good arranged at certain intervals and head and the tail with a plurality of fixture units, make can be accurately positioned after a plurality of turnover anchor clamps groups for the treatment of the mark product are housed enters the mark district, and described a plurality of turnover anchor clamps group enter behind the mark district with described mark district in many laser marking machines be one-to-one relationship;
B. treat the conveyer belt that the mark product is packed into and had enough to meet the need in the anchor clamps group and enter automatic assembly line successively;
C. conveyer belt moves a step-length, comes the top a plurality of turnover anchor clamps groups of mark product that are equipped with and is not admitted to behind the mark district conveyer belt and stops to wait for and print;
D. many laser marking machines in the mark district are searched the coordinate reference mark on the turnover anchor clamps group of discerning under it respectively, are accurately positioned to guarantee a plurality of mark products for the treatment of in each turnover anchor clamps group;
E. many laser marking machines in the mark district are printed different coded messages to the mark product for the treatment of in a plurality of turnover anchor clamps groups under it respectively;
F. conveyer belt continues to move a step-length, and the turnover anchor clamps group of mark shifts out the mark district, and the turnover anchor clamps group of mark does not move into the mark district, returns steps d and carries out next round mark action.
10, the laser marking method that is used for automatic assembly line according to claim 9 is characterized in that: the coordinate reference mark (151) of described turnover anchor clamps group (15) upper surface is a cross hairs or two cross hairs that are distributed in diverse location.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101019434A CN100439117C (en) | 2005-11-29 | 2005-11-29 | Laser marking system and method for automatic production line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101019434A CN100439117C (en) | 2005-11-29 | 2005-11-29 | Laser marking system and method for automatic production line |
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| CN1978210A true CN1978210A (en) | 2007-06-13 |
| CN100439117C CN100439117C (en) | 2008-12-03 |
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| ES2086389T3 (en) * | 1989-09-22 | 1996-07-01 | Schneider Electric Sa | LASER MARKING PROCEDURE, DEVICE AND PAINTING FOR ELECTRIC DEVICES CASCADES. |
| US5629484A (en) * | 1995-05-19 | 1997-05-13 | Micron Technology, Inc. | Method and apparatus for monitoring a laser ablation operation involving multiple ablation sites on a workpiece |
| CN2680586Y (en) * | 2003-12-30 | 2005-02-23 | 四川华川工业有限公司 | Online automatic coding laser marking machine |
| CN2719474Y (en) * | 2004-07-06 | 2005-08-24 | 仪征双环活塞环有限公司 | Laser marking electric feeding device |
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