CN102529431B - Automatic feeder for laser marking of strip electronic elements - Google Patents
Automatic feeder for laser marking of strip electronic elements Download PDFInfo
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- CN102529431B CN102529431B CN201110384602.8A CN201110384602A CN102529431B CN 102529431 B CN102529431 B CN 102529431B CN 201110384602 A CN201110384602 A CN 201110384602A CN 102529431 B CN102529431 B CN 102529431B
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- gear frame
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- electronic elements
- guide rod
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Abstract
The invention relates to an automatic feeder for the laser marking of strip electronic elements, and the automatic feeder comprises a transmission chain, a transmission frame and a push device; the transmission chain is arranged in the transmission frame and is connected with the push device in a transmission way; the push device mainly comprises a first cam, a push head, a first connecting block, a second connecting block, a first guide rod, a second guide rod, a first mandril support, a second mandril support, a first mandril, a second mandril, balls and a ball tube; one ends of the first guide rod, the first mandril, the second guide rod and the second mandril are respectively connected to the corresponding connecting blocks, and the other ends of the first guide rod, the first mandril, the second guide rod and the second mandril are respectively connected onto a first push rod support and a second push rod support in parallel in a sliding and elastically resettable way; the push head is connected with the second connecting block; a plurality of balls are arranged in the ball tube; the first mandril and the second mandril are respectively inserted into one end of the ball tube and are connected with the balls in a contacted way; the first cam is connected onto an output shaft and is closely propped against the second connecting block; and the first cam rotates and pushes the second connecting block and the second mandril, and pushes the first mandril, the first connecting block and the push head to move in the same amplitude through the balls. The automatic feeder for the laser marking of strip electronic elements has the advantages that: materials are automatically fed in laser marking, and the cost is saved.
Description
Technical field
The present invention relates to laser marking machine, relate in particular to when strip electronic elements is carried out to laser marking bar having electronic is carried out to the autoloader automatically transmitting.
Background technology
Electric elements for example resistance, electric capacity all will be indicated corresponding electrical parameter and model thereon, and these parameters and model are printed on the outer surface of electric elements by laser marking mode at present.When above-mentioned electric elements You Qi manufacturer sells, its Product Status is all " ribbon ", i.e. several elements being listed on a band.
While at present electric elements being carried out to laser marking, be all with hand, strip electronic elements to be pushed in laser marking machine and to carry out mark, therefore need a special workman to be engaged in feeding work, thereby greatly increase production cost.
Summary of the invention
The object of the invention is to design a kind of automatic feeder for laser marking of strip electronic elements without sending with hand push, above-mentioned purpose is achieved by following technical proposals:
Automatic feeder for laser marking of strip electronic elements, comprises and promotes driving-chain, gear frame and the material-pulling device that described strip electronic elements moves, described driving-chain is placed in gear frame and the material-pulling device that is in transmission connection, described material-pulling device is mainly by the first cam, cut somebody's hair, the first contiguous block, the second contiguous block, the first guide rod, the second guide rod, the first push rod support, the second push rod support, the first push rod, the second push rod, ball and ball pipe form, the first guide rod, the first push rod and the second guide rod, second push rod one end is connected to corresponding contiguous block, the other end is elastically returnedly parallel to be respectively slidably connected on the first pusher bar support and the second pusher bar support, cut somebody's hair and be connected with the second contiguous block, ball pipe is built-in with some balls, first, the second push rod inserts respectively ball pipe one end, and touch this end ball, the first cam is connected on the output shaft of driving-chain and is tight against the second contiguous block, the first cam rotates and promotes the second contiguous block and the second push rod and promote the first push rod by ball, the first contiguous block and cut somebody's hair and do same amplitude and move.
The further design of described autoloader is, described driving-chain is comprised of first, second driving-chain, and the first driving-chain is comprised of the first chain ring and corresponding some sprocket wheels of being in transmission connection with this chain ring; The second driving-chain is comprised of the second chain ring, the corresponding some sprocket wheels that are in transmission connection with this chain ring and the tooth pushing and the sliding pin that are connected on the second chain ring.
The further design of described autoloader is, described gear frame is comprised of pusher gear frame and stirring gear frame, and pusher gear frame is connected with the corresponding end of stirring gear frame; First, second driving-chain is separately positioned on the medial surface of pusher gear frame and biside plate relative on stirring gear frame, and makes: the first chain ring forms level run shape, the second chain ring and in stirring gear frame upper end, forms arc operation shape in pusher gear frame upper end; The corresponding pair of sprocket of pusher gear frame biside plate medial surface relative to stirring gear frame is connected by the first and second power shafts respectively.
The further design of described autoloader is, the medial surface upper end of the described relative biside plate of described stirring gear frame is respectively equipped with the deep-slotted chip breaker corresponding with described arc, sliding pin on the second chain ring slides along deep-slotted chip breaker, stirring gear frame upper end is provided with and the parallel corresponding curved panel of this deep-slotted chip breaker, and make described curved panel higher than the upper surface of pusher gear frame, curved panel is provided with the revolving door that is equipped with magnetic block, this revolving door is connected on a door-hinge that is supported on stirring gear frame, with door-hinge, rotates.
The further design of described autoloader is, described door-hinge one end is provided with turn-down rig, this turn-down rig is mainly comprised of the second cam and double rocker mechanism, the second cam is connected on the second power shaft, door-hinge is connected in the center of rotation of the rocking bar in double rocker mechanism, the second cam is tight against another rocking bar in double rocker mechanism, promotes this pair the second endplay device motion, and door-hinge is rotated.
The further design of described autoloader is, described two the second endplay device is mainly comprised of the first rocking bar, connecting rod, the second rocking bar and spring, stirring gear frame is fixed in one end of spring, one end is connected with one end of the second rocking bar, one end of the other end of the second rocking bar and the first rocking bar is hinged, and the other end of the first rocking bar is connected on door-hinge.
The further design of described autoloader is, described first, second power shaft is connected with motor respectively.
The further design of described autoloader is, on described the first push rod support, the second push rod support, be respectively equipped with guide rod chute hole and the push rod chute hole being parallel to each other, on described first, second guide rod, be respectively equipped with the shaft shoulder, first, second push rod and first, guide rod are placed in respectively corresponding push rod chute hole and guide rod chute hole, in guide rod chute hole, be equipped with stage clip, stage clip is set on guide rod, and one end of stage clip is against on the shaft shoulder, and one end is against the bottom of guide rod chute hole.
The further design of described autoloader is, described the first push rod support is provided with a guide pad, described in the hinged collar in upper end of cutting somebody's hair, the collar is slidably connected to guide pad, and is connected in the fixing point on the first push rod support by spring.
The further design of described autoloader is, described in the lower end of cutting somebody's hair be provided with commutation lifting screw.
Beneficial effect of the present invention is, when strip electronic elements is carried out to laser marking, energy automatic feed, do not need every marking machine to be equipped with a feeding operation person, such operator can look after many laser marking machines simultaneously, greatly save operating personnel, thereby reduce product cost, improve competitive power of product.
Accompanying drawing explanation
Fig. 1 is the structural representation of autoloader of the present invention.
Fig. 2 is the structural representation axle of turn-down rig and revolving door and door.
Fig. 3 is that the A of autoloader shown in Fig. 1 is to view.
In figure, 1 first power shaft, 2 second power shafts, 10 first driving-chains, 11, 12, 14, 15-sprocket wheel, 20 second driving-chains, 21, 22, 24, 25-sprocket wheel, 30-material-pulling device, 31 first cams, 32 springs, 33 first contiguous blocks, 33a the second contiguous block, 34 first push rod supports, 34-1 guide pad, 34-2 spring, 34a the second push rod support, 35 first push rods, 35a the second push rod, 36 balls, 37 ball pipes, 38 first guide rods, 38a the second guide rod, 39 cut somebody's hair, the 39-1 collar, 39-2 valve rubber, 40 turn-down rigs, 41-the second cam, 42 first rocking bars, 43 connecting rods, 44 second rocking bars are moving, 60 stirring gear frames, 61 deep-slotted chip breakers, 62 revolving doors, 63 curved panels, 64 side plates, 65 tooth pushing grooves, 66 fixed heads, screw is lifted in 66-1 commutation, 67 door-hinges, 70 pusher gear frames.
The specific embodiment
Autoloader of the present invention is mainly comprised of gear frame, driving-chain and material-pulling device 30.The driving-chain of the strip electronic elements that needs mark in being placed in gear frame is transferred to the certain position of gear frame, through material-pulling device 50, is pushed to the turnover mark of laser marking place.Refer to Fig. 1, gear frame is comprised of pusher gear frame 70 and stirring gear frame 60, pusher gear frame 70, stirring gear frame 60 are all the rectangular frames being formed by connecting by least three orthogonal side plates, side plate in pusher gear frame 70 is all rectangular slab, in stirring gear frame 60, the top of the medial surface of two opposite sides plate is respectively equipped with deep-slotted chip breaker 61, its top edge is the arc-shaped side corresponding with deep-slotted chip breaker, stirring gear frame 60 upper surfaces are coated with and described deep-slotted chip breaker, curved panel 63 that arc-shaped side is corresponding, between curved panel 63 and biside plate 64, are provided with tooth pushing groove 65.An one side side corresponding to stirring gear frame 60 of corresponding curved panel 63 low sides of pusher gear frame 70 interconnects.Driving-chain is comprised of the first driving-chain 10 and the second driving-chain 20, and the first driving-chain is comprised of the first chain ring 13 and corresponding four sprocket wheels (11,12,14,15) of being in transmission connection with this chain ring; The second driving-chain is comprised of the second chain ring 23, corresponding four sprocket wheels (21,22,24,25) that are in transmission connection with this chain ring and the tooth pushing 26 and the sliding pin 27 that are connected on chain ring.
Two first driving-chains 10 are separately positioned on the relative side plate of pusher gear frame, sprocket wheel 11 and sprocket wheel 14 are hinged on respectively the two ends of corresponding side plate, the middle part of sprocket wheel 12 in above-mentioned two sprocket wheels 11,14, above-mentioned three sprocket wheels are in same level height and position, 15, the sprocket wheel downside in above-mentioned three sprocket wheels, plays a part tensioner chain 13.Sprocket wheel 11 is drive sprocket, and two sprocket wheels 11 are connected by the first power shaft 1, and the first power shaft 1 is connected with motor 15, and sprocket wheel 12 is support sprocket wheel, prevents in the chain of upside recessedly, guarantees that like this first chain ring is at pusher gear frame upper end formation level run state.
Two second driving-chains 20 are separately positioned on a pair of relative side plate on stirring gear frame 60 with arc top edge, and four sprocket wheels in the second driving-chain (21,22,24,25) are distributed on the different height and position of side plate.The sprocket wheel 24 of lower side plays tensioner chain ring 23, the output shaft that the rotating shaft of this sprocket wheel is whole driving-chain simultaneously.Sprocket wheel 21,22 is arranged on the correspondence position corresponding to two notch ends of deep-slotted chip breaker 61.The sliding pin 27 connecting on the second chain ring 23 is moving to deep-slotted chip breaker 61 when interior, and guiding the second chain ring forms arcuate movement track, makes the second chain ring in stirring gear frame upper end, form arc running status.When the tooth pushing 26 connecting on the second chain ring 23 runs to the correspondence position of curved panel 63,26 of tooth pushings are exposed curved panel 63 by tooth pushing groove 65.Sprocket wheel 21 is drive sprocket, and two sprocket wheels 21 are connected by the second power shaft 2, and the second power shaft 2 is connected with motor 26.
Curved panel 63 is provided with revolving door 62, is equipped with magnetic block 62a on this revolving door, makes revolving door have magnetic, and revolving door is connected on door-hinge 67, with door-hinge 67, rotates, and door-hinge 67 is bearing on stirring gear frame 60, refers to Fig. 2.Door-hinge 67 rotates by the turn-down rig 40 that is arranged at door-hinge 67 one end and controls, and turn-down rig 40 is mainly comprised of the second cam 41 and double rocker mechanism, and second protruding 41 takes turns and be connected on the second power shaft 2, and double rocker mechanism is placed in the second cam 41 1 sides.Double rocker mechanism is mainly comprised of the first rocking bar 42, connecting rod 43, the second rocking bar 44 and spring 45, stirring gear frame 60 is fixed in one end of spring 45, one end is connected with one end of the second rocking bar 44, one end of the other end of the second rocking bar 44 and the first rocking bar 41 is hinged, and the other end of the first rocking bar 41 is connected on door-hinge.
In conjunction with Fig. 3, material-pulling device 30 is comprised of the first cam 31,39, first contiguous block 33 of cutting somebody's hair, the second contiguous block 33a, the first guide rod 38, the second guide rod 38a, the first push rod support 34, the second push rod support 34a, the first push rod 35, the second push rod 35a, ball 36 and ball pipe 37.The first cam 31 is connected on the output shaft (being the rotating shaft of sprocket wheel 24) of driving-chain, the second push rod support 34a is placed in a side of the first cam 31, the second guide rod 38a, the second push rod 35a are parallel to each other, its one end is connected to the second contiguous block 33a, the other end is slidably connected to respectively in the pilot hole and jogger hole that the second push rod support 34a is corresponding, pilot hole is built-in with spring 32, and at the bottom of one end of spring is against guide post hole, the other end is against on the corresponding step surface of guide post.The first push rod support 34 is connected on the fixed head 66 of end one side of stirring gear frame 60, the first push rod support 34 is provided with guide pad 34-1, syndeton between the first guide rod 38, the first top 35 bars, the first push rod support 34, the first contiguous block 33 and above-mentioned the second push rod support 34a, the second guide rod 38a, the syndeton between the second push rod 35a, the second contiguous block 33a are identical, repeat no more.Cut somebody's hair on 39 and be articulated with a collar 39-1, the collar is slidably connected to guide pad guide pad 34-1, makes to cut somebody's hair 39 can slide up and down along guide pad, and 39 upper ends of cutting somebody's hair are connected on the screw rod being fixed on the first push rod support by spring 34-2.39 lower ends of cutting somebody's hair are provided with the valve rubber 39-2 of wedge, on the fixed head 66 of 39 downsides of cutting somebody's hair, be provided with can turn commutation lift screw 66-1, can Zhi Yu cut somebody's hair 39 downside of this screw.The two ends of ball pipe 37 connect respectively the jogger hole on first, second push rod support, and ball pipe 37 is interior is booked some balls 36 substantially, leaves the pipe range space corresponding with push rod sliding stroke.First, second push rod inserts respectively one end of ball pipe 37, and touch this end in ball pipe ball 36.
During work, motor 16,26 drives respectively respectively first, second driving-chain transmission of both sides by power shaft 1,2.Operating personnel are shelved on the two ends of strip electronic elements 80 respectively the level run part of the first chain ring 13, and the first chain ring drives strip electronic elements 80 to move horizontally, until move to an end of pusher gear frame 70.Now, the second cam 41 in turn-down rig 40 promotes the second rocking bar 44 swings by the variation of the radius of gyration, the second rocking bar 44 drives the first rocking bar 42 to swing by connecting rod 43, thereby door-hinge 67 is rotated, door-hinge driven rotary door 62 swings, when revolving door 62 turns to pusher gear frame 70 upper end, the strip electronic elements on correspondence position 80 is held, strip electronic elements 80 is brought to the upper surface (arcwall face 63) of stirring gear frame 60 when revolving door is moving to backswing, tooth pushing 26 in arcwall face 63 both sides tooth pushing grooves 65 is subject to sliding pin 27 on the second chain ring 23 in the guiding function of deep-slotted chip breaker 61, making corresponding arc moves, promote strip electronic elements 80 and move up to along arcwall face 63 38 the downside of cutting somebody's hair.Now, the first cam 31 in material-pulling device under the transmission of the second driving-chain and constantly rotates, because the effect of 32 pairs of the first guide posts of spring is tight against on the first cam 31 the second contiguous block 33a, along with the radius in the first cam rotation becomes large gradually, the first cam will move the second push rod 35a by promoting the second contiguous block 33a in ball pipe, ball 36 in pipe is delivered to the pushing and pressing effect of the second push rod on the second push rod 35, make its movement of doing same amplitude, and drive 38 motions of cutting somebody's hair.Cut somebody's hair 38 under its deadweight and spring 34-2 and wedge valve rubber 39a effect, produce certain motive force promotion strip electronic elements 80 and move laterally, strip electronic elements 80 is transplanted on to laser marking place and carries out laser marking.When the radius of gyration of the first cam 31 diminishes gradually, spring 32 in first, second push rod support makes push rod return, the also return of cutting somebody's hair, medial movement to stirring gear frame, now cut somebody's hair and touch commutation lifting screw 66-1, make the lower end perk of cutting somebody's hair, can not hinder like this strip electronic elements 80 and move to the below of cutting somebody's hair.
Claims (10)
1. automatic feeder for laser marking of strip electronic elements, is characterized in that comprising promoting driving-chain, gear frame and the material-pulling device that described strip electronic elements moves, and described driving-chain is placed in gear frame and the material-pulling device that is in transmission connection, described material-pulling device is mainly by the first cam, cut somebody's hair, the first contiguous block, the second contiguous block, the first guide rod, the second guide rod, the first push rod support, the second push rod support, the first push rod, the second push rod, ball and ball pipe form, the first guide rod, the first push rod and the second guide rod, second push rod one end is connected to corresponding contiguous block, the other end is elastically returnedly parallel to be respectively slidably connected on the first pusher bar support and the second pusher bar support, cut somebody's hair and be connected with the second contiguous block, ball pipe is built-in with some balls, first, the second push rod inserts respectively ball pipe one end, and touch this end ball, the first cam is connected on the output shaft of driving-chain and is tight against the second contiguous block, the first cam rotates and promotes the second contiguous block and the second push rod and promote the first push rod by ball, the first contiguous block and cut somebody's hair and do same amplitude and move, the second push rod props up a side that is placed on the first cam, and the two ends of ball pipe connect respectively first, second push rod support, and first, second push rod is plugged in respectively corresponding one end of ball pipe, keeps leaving the pipe range space corresponding with push rod sliding stroke in ball pipe.
2. automatic feeder for laser marking of strip electronic elements according to claim 1, is characterized in that described driving-chain is comprised of first, second driving-chain, and the first driving-chain is comprised of the first chain ring and corresponding some sprocket wheels of being in transmission connection with this chain ring; The second driving-chain is comprised of the second chain ring, the corresponding some sprocket wheels that are in transmission connection with this chain ring and the tooth pushing and the sliding pin that are connected on the second chain ring.
3. automatic feeder for laser marking of strip electronic elements according to claim 2, is characterized in that described gear frame is comprised of pusher gear frame and stirring gear frame, and pusher gear frame is connected with the corresponding end of stirring gear frame; First, second driving-chain is separately positioned on the medial surface of pusher gear frame and biside plate relative on stirring gear frame, and makes: the first chain ring forms level run shape, the second chain ring and in stirring gear frame upper end, forms arc operation shape in pusher gear frame upper end; The corresponding pair of sprocket of pusher gear frame biside plate medial surface relative to stirring gear frame is connected by the first and second power shafts respectively.
4. automatic feeder for laser marking of strip electronic elements according to claim 3, the medial surface upper end that it is characterized in that the described relative biside plate of described stirring gear frame is respectively equipped with the deep-slotted chip breaker corresponding with described arc, sliding pin on the second chain ring slides along deep-slotted chip breaker, stirring gear frame upper end is provided with and the parallel corresponding curved panel of this deep-slotted chip breaker, and make described curved panel higher than the upper surface of pusher gear frame, curved panel is provided with the revolving door that is equipped with magnetic block, this revolving door is connected on a door-hinge that is supported on stirring gear frame, with door-hinge, rotates.
5. automatic feeder for laser marking of strip electronic elements according to claim 4, it is characterized in that described door-hinge one end is provided with turn-down rig, this turn-down rig is mainly comprised of the second cam and double rocker mechanism, the second cam is connected on the second power shaft, door-hinge is connected in the center of rotation of the rocking bar in double rocker mechanism, the second cam is tight against another rocking bar in double rocker mechanism, promotes described double rocker mechanism motion, and door-hinge is rotated.
6. automatic feeder for laser marking of strip electronic elements according to claim 5, it is characterized in that described double rocker mechanism is mainly comprised of the first rocking bar, connecting rod, the second rocking bar and spring, stirring gear frame is fixed in one end of spring, one end is connected with one end of the second rocking bar, one end of the other end of the second rocking bar and the first rocking bar is hinged, and the other end of the first rocking bar is connected on door-hinge.
7. automatic feeder for laser marking of strip electronic elements according to claim 3, is characterized in that described first, second power shaft is connected with motor respectively.
8. automatic feeder for laser marking of strip electronic elements according to claim 1, it is characterized in that being respectively equipped with on described the first push rod support, the second push rod support guide rod chute hole and the push rod chute hole being parallel to each other, on described first, second guide rod, be respectively equipped with the shaft shoulder, first, second push rod and first, second guide rod are placed in respectively corresponding push rod chute hole and guide rod chute hole, in guide rod chute hole, be equipped with stage clip, stage clip is set on guide rod, one end of stage clip is against on the shaft shoulder, and one end is against the bottom of guide rod chute hole.
9. automatic feeder for laser marking of strip electronic elements according to claim 8, it is characterized in that described the first push rod support is provided with a guide pad, the hinged collar in the described upper end of cutting somebody's hair, the collar is slidably connected to guide pad, and is connected in the fixing point on the first push rod support by spring.
10. automatic feeder for laser marking of strip electronic elements according to claim 8, the lower end of cutting somebody's hair described in it is characterized in that is provided with commutation lifting screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110384602.8A CN102529431B (en) | 2011-11-28 | 2011-11-28 | Automatic feeder for laser marking of strip electronic elements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110384602.8A CN102529431B (en) | 2011-11-28 | 2011-11-28 | Automatic feeder for laser marking of strip electronic elements |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102529431A CN102529431A (en) | 2012-07-04 |
| CN102529431B true CN102529431B (en) | 2014-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110384602.8A Expired - Fee Related CN102529431B (en) | 2011-11-28 | 2011-11-28 | Automatic feeder for laser marking of strip electronic elements |
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| CN (1) | CN102529431B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103832085B (en) * | 2014-03-12 | 2015-08-19 | 深圳市艾雷激光科技有限公司 | A kind of automatic loading/unloading laser marking device |
| CN113635681B (en) * | 2021-07-27 | 2022-12-02 | 浙江建林电子电气股份有限公司 | Invoice printer with anti-counterfeiting mark based on Internet |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1675115A (en) * | 2002-08-16 | 2005-09-28 | 电子科学工业公司 | Modular belt carrier for electronic components |
| EP1727414A1 (en) * | 2005-05-23 | 2006-11-29 | Siemens Aktiengesellschaft | Feeding apparatus for electrical components, corresponding control method and control method for corresponding supply system |
| JP2008028367A (en) * | 2006-06-20 | 2008-02-07 | Ricoh Co Ltd | Taping component, preparing method of taping data of taping component, and preparing method of taping component |
| CN102084379A (en) * | 2008-05-29 | 2011-06-01 | 咨询卡有限公司 | Device for customizing electronic components |
| CN201901410U (en) * | 2010-12-04 | 2011-07-20 | 铜陵嘉禾电子科技有限公司 | Automatic feeding device for laser marking |
-
2011
- 2011-11-28 CN CN201110384602.8A patent/CN102529431B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1675115A (en) * | 2002-08-16 | 2005-09-28 | 电子科学工业公司 | Modular belt carrier for electronic components |
| EP1727414A1 (en) * | 2005-05-23 | 2006-11-29 | Siemens Aktiengesellschaft | Feeding apparatus for electrical components, corresponding control method and control method for corresponding supply system |
| JP2008028367A (en) * | 2006-06-20 | 2008-02-07 | Ricoh Co Ltd | Taping component, preparing method of taping data of taping component, and preparing method of taping component |
| CN102084379A (en) * | 2008-05-29 | 2011-06-01 | 咨询卡有限公司 | Device for customizing electronic components |
| CN201901410U (en) * | 2010-12-04 | 2011-07-20 | 铜陵嘉禾电子科技有限公司 | Automatic feeding device for laser marking |
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| CN102529431A (en) | 2012-07-04 |
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