CN102975905A - Method and system for controlling high-speed return of surface mount technology (SMT) plate unloading machine - Google Patents

Method and system for controlling high-speed return of surface mount technology (SMT) plate unloading machine Download PDF

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Publication number
CN102975905A
CN102975905A CN2012105135627A CN201210513562A CN102975905A CN 102975905 A CN102975905 A CN 102975905A CN 2012105135627 A CN2012105135627 A CN 2012105135627A CN 201210513562 A CN201210513562 A CN 201210513562A CN 102975905 A CN102975905 A CN 102975905A
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China
Prior art keywords
turnover box
substrate
speed
lifting unit
smt
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CN2012105135627A
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Chinese (zh)
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CN102975905B (en
Inventor
李伟含
范树奎
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大连金华录数码科技有限公司
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Priority to CN201210513562.7A priority Critical patent/CN102975905B/en
Publication of CN102975905A publication Critical patent/CN102975905A/en
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Publication of CN102975905B publication Critical patent/CN102975905B/en

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Abstract

The invention discloses a method and a system for controlling the high-speed return of a surface mount technology (SMT) plate unloading machine. The method comprises the following steps that a baseplate conveying part conveys a baseplate into a recycle case which is born by a recycle case lifting part; after the recycle case is fully loaded, the recycle case lifting part is descended to the bottom and feeds the recycle case into a recycle case discharging part; the recycle case lifting part returns at a speed which is faster than the speed of a working stroke; and the recycle case lifting part bears the full-load recycle case to descend to the bottom, so that the recycle case is transferred to the recycle case discharging part and returns at high speed, and an operating time for loading another recycle case to reach a baseplate loading position is not longer than the operating time for the baseplate conveying part to convey the baseplate to the loading position of the recycle case lifting part. After the technical scheme is implemented, the method has the following beneficial effects that a speed change gear is utilized to increase the speed of a non-load ascending stroke of the lifting part, the auxiliary stroke time of the SMT plate unloading machine is shortened, and the problem of matching the production speed of production equipment and the speed of the plate unloading machine to change the recycle case is solved.

Description

A kind of method and system of controlling the backhaul of SMT lower plate machine high speed

Technical field

The present invention relates to SMT accessory equipment field, more particularly, relate to the method and system of a kind of SMT of control lower plate machine high speed backhaul.

Background technology

Fig. 1 is the structural representation of SMT lower plate machine, and as shown in the figure, SMT lower plate machine comprises three parts: substrate delivery section 1, Turnover Box lifting unit 2 and Turnover Box discharge portion 3.The substrate finished product that production facilities is finished production is delivered to substrate delivery section 1, Turnover Box lifting unit 2 loads the substrate delivery track plane of first " loaded " position of dropping to Turnover Box behind the Turnover Boxes 10 and substrate delivery section 1 in the sustained height position, and substrate delivery section 1 is delivered to the Turnover Box " loaded " position with substrate and substrate is pushed in the Turnover Box 10.After current Turnover Box is filled, Turnover Box lifting unit 2 is delivered to the bottom downwards with Turnover Box 10 and passes to Turnover Box delivery section 3, then, Turnover Box lifting unit 2 returns, then load next Turnover Box to the substrate delivery track plane of substrate delivery section 1 in the sustained height position.When productive temp more in short-term; because general who has surrendered's Turnover Box 10 passes to Turnover Box delivery section 3 rear returns under the Turnover Box of Turnover Box lifting unit 2 loading quotas; then it is long to the opening time of substrate delivery section 1 " loaded " position to load next Turnover Box; when the fastest beat of production of production facilities requires; the product that causes production facilities to be produced can not be discharged smoothly; surpass one piece of substrate that machines and arrive on the track of substrate delivery section 1, cause the lower plate machine to report to the police and shut down.Treatment facility is shut down a lot of times of waste, causes manufacturing line to stop to produce during processing, and can damage the substrate that processes when dealing with improperly, causes very large production loss.

Change the bottleneck constraint of Turnover Box in order to solve production facilities lower plate machine when the high-speed production, the lower plate machine system that usually adopts comprises two lower plate machines, addresses this problem by horizontal transfer mechanism.Fig. 2 is the existing lower plate machine system architecture scheme drawing that addresses this is that, as shown in the figure, the pdm substrate that production facilities is finished printing is sent into belt conveyor 1(PCB and is flowed into), the substrate that belt conveyor 1 is finished printing is transported to traversing delivery section, traversing delivery section is according to circumstances judged and is determined to select substrate is sent into delivery section 2 or delivery section 3(Rule of judgment: the mode of operation of checking delivery section 2 and delivery section 3, when delivery section 2 is idle, to substantially send into delivery section 2, when the busy but delivery section of delivery section 23 is idle, then will substantially send into delivery section 3), delivery section 2 or delivery section 3 are after receiving the substrate that sends from traversing delivery section, substrate is sent into Turnover Box, the Turnover Box that delivery section 2 will be loaded with substrate is transported to lower plate machine 1, and the Turnover Box that delivery section 3 just is loaded with substrate is transported to lower plate machine 2.By the alternation of two lower plate machines, reach the speed of production requirement of satisfying production facilities.Although this lower plate machine system has solved the speed of production of production facilities and the speeds match problem that the lower plate machine is changed Turnover Box, deposit a lot of other problems: lower plate machine system expensive is that the twice of SMT lower plate machine price is many; In addition, the shared place of lower plate machine system is larger.

Summary of the invention

The present invention is directed to the proposition of above problem, and develop the method and system of a kind of SMT of control lower plate machine high speed backhaul.

A kind of method of controlling the backhaul of SMT lower plate machine high speed is characterized in that, comprises the steps:

Step 1, substrate delivery section are delivered to substrate in the Turnover Box of Turnover Box lifting unit carrying;

After step 2, Turnover Box quota were loaded, the Turnover Box lifting unit dropped to the bottom, and Turnover Box is sent into the Turnover Box discharge portion;

Step 3, Turnover Box lifting unit are to be higher than the speed return of forced stroke;

The Turnover Box of Turnover Box lifting unit carrying quota drops to the bottom, Turnover Box is passed to high speed return after the Turnover Box discharge portion, then load the production time that arrives substrate loading position behind the next Turnover Box and be not more than the production time that the substrate delivery section is delivered to substrate the " loaded " position of Turnover Box lifting unit.

Preferably, improve return speed by frequency converter, shorten the return time, the production time that arrives the mounting substrate position after making Turnover Box lifting unit return and loading Turnover Box is not more than the production time that the substrate delivery section is delivered to substrate Turnover Box lifting unit " loaded " position.

The present invention also provides the system of a kind of SMT of control lower plate machine high speed backhaul, it is characterized in that, comprises conveying substrate and substrate is pushed the substrate delivery section of Turnover Box; The carrying Turnover Box is carried the also Turnover Box lifting unit of unloaded return downwards; The Turnover Box that is mounted with substrate is delivered to the Turnover Box discharge portion of lodging bench; The control unit of control substrate delivery section, Turnover Box lifting unit, the operation of Turnover Box discharge portion; The Turnover Box lifting unit comprises transmission system, described transmission system makes unloaded Turnover Box lifting unit high speed return, make the Turnover Box of Turnover Box lifting unit carrying quota drop to the place, bottom, Turnover Box is passed to return after the Turnover Box discharge portion, then load the production time that arrives substrate loading position behind the next Turnover Box and be not more than the production time that the substrate delivery section is delivered to substrate Turnover Box lifting unit " loaded " position.

Preferably, substrate delivery section and Turnover Box delivery section comprise the transmission electric motor units, and the transmission electric motor units is connected with transmission electric machine control relay.

Preferably, transmission system is lifting motor frequency converter and lifting motor, and lifting motor frequency converter and lifting motor are electrically connected.

Preferably, control unit is FPGA (Field Programmable Gate Array) control unit PLC.

Implement the method and system of control SMT lower plate machine high speed of the present invention backhaul, has following beneficial effect: pass through transmission system, for example lifting motor frequency converter and lifting motor, make control unit can change by control lifting motor frequency converter the lifting motor speed of Turnover Box lifting unit, thereby improve the speed of the unloaded rising backhaul of lifting unit, shorten the auxiliary stroke time of SMT lower plate machine, solve the speed of production of production facilities when high-speed production and the speeds match problem of lower plate machine replacing Turnover Box.

Description of drawings

Fig. 1 is the structural representation of SMT lower plate machine;

Fig. 2 is the lower plate machine system architecture scheme drawing of existing solution lower plate engine room neck problem;

Fig. 3 is the circuit structure diagram of an embodiment of SMT lower plate machine high speed back haul system of the present invention.

Among the figure: 1, substrate delivery section; 2, Turnover Box lifting unit; 3, Turnover Box discharge portion; 4, PLC; 5, sensor unit; 6, lifting motor frequency converter; 7, lifting motor; 8, transmission electric machine control relay; 9, transmission electric motor units; 10, Turnover Box; 11, empty Turnover Box standby section.

The specific embodiment

The invention provides the method and system of a kind of SMT of control lower plate machine high speed backhaul, below in conjunction with accompanying drawing technical scheme of the present invention is elaborated.

The method of control of the present invention SMT lower plate machine high speed backhaul comprises the steps: that step 1, substrate delivery section deliver to substrate in the Turnover Box of Turnover Box lifting unit carrying; After step 2, Turnover Box quota were loaded, the Turnover Box lifting unit dropped to the bottom, and Turnover Box is sent into the Turnover Box discharge portion; Step 3, Turnover Box lifting unit are to be higher than the speed return of forced stroke; The Turnover Box of Turnover Box lifting unit carrying quota drops to the bottom, Turnover Box is passed to high speed return after the Turnover Box discharge portion, then load the production time that arrives substrate loading position behind the next Turnover Box and be not more than the production time that the substrate delivery section is delivered to substrate the " loaded " position of Turnover Box lifting unit.The speed that is higher than forced stroke refers to: the speed that is higher than Turnover Box normal operation of stages the process that drops to the bottom from top.

Fig. 1 is the structural representation of SMT lower plate machine, and Fig. 3 is the circuit structure diagram of an embodiment of SMT lower plate machine high speed back haul system of the present invention, as shown in the figure.

SMT lower plate machine high speed back haul system of the present invention comprises the substrate delivery section 1 of transmission base plate; With the downward Turnover Box lifting unit 2 of carrying of Turnover Box; The Turnover Box that is mounted with substrate is delivered to the Turnover Box discharge portion 3 of lodging bench; The control unit of control substrate delivery section 1, Turnover Box lifting unit 2,3 operations of Turnover Box discharge portion; Turnover Box lifting unit 2 comprises transmission system, and described transmission system increases the Turnover Box lifting unit 2 unloaded speed that rise.

SMT lower plate machine high speed back haul system circuit comprises FPGA (Field Programmable Gate Array) control unit (PLC4), sensor unit 5, lifting motor frequency converter 6, lifting motor 7, transmission electric motor units 9, transmission electric machine control relay 8.PLC4 is connected with sensor unit 5, lifting motor frequency converter 6, transmission electric machine control relay 8 respectively, and lifting motor frequency converter 6 is connected with lifting motor 7, and transmission electric machine control relay 8 is connected with transmission electric motor units 9.Sensor unit 5 comprise a plurality of position transduser S1, S2 ..., Sn, transmission motor lifting motor frequency converter unit 8 comprises transmission electric machine control relay V1, V2, V3, transmission electric motor units 9 comprises transmission motor M 1, M2, M3, transmission motor M 1 connects transmission electric machine control relay V1, transmission motor M 2 connects transmission electric machine control relay V2, transmission motor M 3 connects transmission electric machine control relay V3, transmission motor M 1 is the transmission motor of substrate delivery section 1, and transmission motor M 2, M3 are the transmission motor of Turnover Box discharge portion 3.

Substrate delivery section 1 is provided with sensor S1, S2, sensor S1 is arranged at away from Turnover Box lifting unit 2 one ends, sensor S2 is arranged near Turnover Box lifting unit 2 one ends, one end of the close Turnover Box lifting unit 2 of empty Turnover Box standby section is provided with sensor S4, whether accurately an end of finishing product Turnover Box discharge portion 3 close Turnover Box lifting units 2 is provided with sensor S3, be provided with on the lifting mechanism to detect the Turnover Box sensor S5 for mounting substrate in place.In the present embodiment, sensor S1, S2, S3, S4, S5 are position transduser.

In the present embodiment, be provided with push rod on the substrate delivery section 1, after Turnover Box 10 is ready to, be used for the substrate of the arrival " loaded " position on the substrate delivery section 1 (sensor S2 place) is pushed Turnover Box 10.Also can by other means the substrate on the substrate delivery section 1 be packed in the Turnover Box 10.Turnover Box 10 has multiple-structure, and every layer height equates to be Hcm.Turnover Box lifting unit 2 is carrying Turnover Box 10 and is moving downward from the top, begin successively upwards mounting substrate from Turnover Box 10 bottoms, behind one piece of substrate of loading of Turnover Box, control unit control Turnover Box lifting unit 2 carrying Turnover Boxes are downwards by the interval motion n*Hcm that sets, and the value of n determines according to actual conditions, when every layer of Turnover Box all during mounting substrate, the value of n is 1, when No. 1 substrate of the every two-layer loading of Turnover Box, the value of n is 2, the like.

The workflow of one embodiment of SMT plate machine high speed back haul system of the present invention is as follows: substrate production equipment is sent to the substrate finished product substrate delivery section 1 of SMT lower plate machine, after the sensor S1 on the substrate delivery section 1 detects substrate, the transmission electric motor units of control unit control substrate delivery section 1 transmits operation, driving device bearing substrate on the substrate delivery section 1 moves to Turnover Box lifting unit 2 directions, after the sensor S2 on the substrate delivery section 1 detects substrate, the push rod device action, substrate is pushed Turnover Box 10 rear rollbacks, the driving device stop motion on the control unit control substrate delivery section 1; After push rod returned to initial position, the Turnover Box lifting unit moved down the loading interval of a setting, reaches next " loaded " position.After Turnover Box 10 is filled, lifting unit drops to the bottom continuously, control mechanism makes the transport sector running of lifting mechanism bottom, Turnover Box 10 is discharged to Turnover Box discharge portion 3, after the sensor S3 of Turnover Box discharge portion 3 detects Turnover Box 10 and has left lifting unit fully, control mechanism control lifting unit is got back at a high speed the top of lifting mechanism, the driving device that control mechanism is controlled in the empty Turnover Box standby section 11 transmits Turnover Box 10 to Turnover Box lifting unit 2, sensor S4 on Turnover Box delivery section 3 detects Turnover Box 10 and leaves sky Turnover Box position of readiness fully, and the sensor S5 on the lifting mechanism detect Turnover Box 10 accurately in place after, the crane of control unit control Turnover Box lifting unit 2 moves downward from the top, drop to first " loaded " position of Turnover Box 10, push rod on the control unit control substrate delivery section 1 is pushed into substrate in the Turnover Box 10, push rod pushes Turnover Box 10 with substrate and return back to original position after interior, the work of control unit control lifting motor is moved downward to next loading attachment according to the step pitch of setting with Turnover Box 10.

By in the lifting motor control loop, increasing lifting motor frequency converter 6, change the structure of control unit, make control unit can change by lifting motor frequency converter 6 the lifting motor speed of Turnover Box lifting unit 2, thereby improve the speed of the unloaded rising return of lifting unit, shorten changing the case operating time of SMT lower plate machine, the productive temp that solves production facilities is the speeds match problem of speed of production and lower plate machine replacing Turnover Box 10 more in short-term.

The above; only be the better specific embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.

Claims (6)

1. a method of controlling the backhaul of SMT lower plate machine high speed is characterized in that, comprises the steps:
Step 1, substrate delivery section (1) are delivered to substrate in the Turnover Box (10) of Turnover Box lifting unit (2) carrying;
After step 2, Turnover Box (10) quota were loaded, Turnover Box lifting unit (2) dropped to the bottom, and Turnover Box (10) is sent into Turnover Box discharge portion (3);
Step 3, Turnover Box lifting unit (2) are to be higher than the speed return of forced stroke;
The Turnover Box (10) of Turnover Box lifting unit (2) carrying quota drops to the bottom, Turnover Box (10) is passed to high speed return after the Turnover Box discharge portion (3), then load the production time that arrives substrate loading position behind the next Turnover Box and be not more than the production time that substrate delivery section (1) is delivered to substrate the " loaded " position of Turnover Box lifting unit (2).
2. the method for control according to claim 1 SMT lower plate machine high speed backhaul, it is characterized in that, improve return speed by frequency converter, shorten the return time, the production time that arrives the mounting substrate position after making Turnover Box lifting unit (2) return and loading Turnover Box is not more than the production time that substrate delivery section (1) is delivered to substrate Turnover Box lifting unit (2) " loaded " position.
3. a system that controls the backhaul of SMT lower plate machine high speed is characterized in that, comprises conveying substrate and substrate is pushed the substrate delivery section (1) of Turnover Box; Carrying Turnover Box (10) is carried the also Turnover Box lifting unit (2) of unloaded return downwards; The Turnover Box (10) that is mounted with substrate is delivered to the Turnover Box discharge portion (3) of lodging bench; The control unit of control substrate delivery section (1), Turnover Box lifting unit (2), Turnover Box discharge portion (3) operation; Turnover Box lifting unit (2) comprises transmission system, described transmission system makes unloaded Turnover Box lifting unit (2) high speed return, make the Turnover Box (10) of Turnover Box lifting unit (2) carrying quota drop to the place, bottom, Turnover Box (10) is passed to return after the Turnover Box discharge portion (3), then load the production time that arrives substrate loading position behind the next Turnover Box and be not more than the production time that substrate delivery section (1) is delivered to substrate Turnover Box lifting unit (2) " loaded " position.
4. SMT lower plate machine high speed back haul system according to claim 3, it is characterized in that, substrate delivery section (1) and Turnover Box delivery section (3) comprise transmission electric motor units (9), and transmission electric motor units (9) is electrically connected with transmission electric machine control relay (8).
5. SMT lower plate machine high speed back haul system according to claim 3 is characterized in that, transmission system is lifting motor frequency converter (6) and lifting motor (7), and lifting motor frequency converter (6) and lifting motor (7) are electrically connected.
6. SMT lower plate machine high speed back haul system according to claim 3 is characterized in that control unit is FPGA (Field Programmable Gate Array) control unit PLC(4).
CN201210513562.7A 2012-12-04 2012-12-04 System for controlling high-speed return of surface mount technology (SMT) plate unloading machine CN102975905B (en)

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CN201210513562.7A CN102975905B (en) 2012-12-04 2012-12-04 System for controlling high-speed return of surface mount technology (SMT) plate unloading machine

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Application Number Priority Date Filing Date Title
CN201210513562.7A CN102975905B (en) 2012-12-04 2012-12-04 System for controlling high-speed return of surface mount technology (SMT) plate unloading machine

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CN102975905B CN102975905B (en) 2015-04-15

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Publication number Priority date Publication date Assignee Title
US2902182A (en) * 1955-07-11 1959-09-01 Builder S Equipment Company Method for cubing building blocks
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CN101725675A (en) * 2009-12-07 2010-06-09 昆山华恒工程技术中心有限公司 High and low speed switching device
CN201506639U (en) * 2009-08-31 2010-06-16 国营红阳机械厂 Automatic bag-stacking device
CN203005855U (en) * 2012-12-04 2013-06-19 大连金华录数码科技有限公司 System for controlling SMT plate unloader to return at high speed

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2902182A (en) * 1955-07-11 1959-09-01 Builder S Equipment Company Method for cubing building blocks
CN201254302Y (en) * 2008-08-29 2009-06-10 上海星派能源科技有限公司 Bottle collection machine
CN201506639U (en) * 2009-08-31 2010-06-16 国营红阳机械厂 Automatic bag-stacking device
CN101725675A (en) * 2009-12-07 2010-06-09 昆山华恒工程技术中心有限公司 High and low speed switching device
CN203005855U (en) * 2012-12-04 2013-06-19 大连金华录数码科技有限公司 System for controlling SMT plate unloader to return at high speed

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Title
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