CN201052692Y - Serial multi-shaft step-by-step control system used for tin paste printing machine - Google Patents
Serial multi-shaft step-by-step control system used for tin paste printing machine Download PDFInfo
- Publication number
- CN201052692Y CN201052692Y CNU2007200471518U CN200720047151U CN201052692Y CN 201052692 Y CN201052692 Y CN 201052692Y CN U2007200471518 U CNU2007200471518 U CN U2007200471518U CN 200720047151 U CN200720047151 U CN 200720047151U CN 201052692 Y CN201052692 Y CN 201052692Y
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- step motor
- direct current
- stepping servo
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Abstract
The utility model discloses a serial multi-spindle step-by-step control system for a solder paste press, comprising a host computer, a RS 485 full-duplex or half-duplex serial control bus, two direct current step-servo drive system and an alternating current step-servo drive system. A first direct current four-spindle step-servo bootstrap driver drives a camera X axis step motor, an adze scraper Z1 axis step motor and an adze scraper Z2 axis step motor. A second direct current four-spindle step-servo bootstrap driver drives a platform Y1 axis step motor, a platform Y2 axis step motor, a platform X axis step motor and a track width axis step motor. An alternating current single-spindle step-servo bootstrap driver drives a camera Y axis step motor. The serial multi-spindle step-by-step control system for a solder paste press of the utility model can effectively enhance multi-spindle coordination and control performance and aligning accuracy of a PCB solder paste press, with the characteristics of less wiring, strong electromagnetic interference resistance, compact structure and rich control function, which is applicable for various PCB solder paste presses.
Description
Technical field
The utility model relates to pcb board stencil printer control system field, particularly relates to a kind of serial multi-axis step-by-step control system that is used for stencil printer.
Background technology
The PCB stencil printer is the important electronics manufacturing equipment in the SMT processing procedure.The process of PCB assembling generally comprises optical check behind PCB paste solder printing, printing back optical check, paster, the paster, Reflow Soldering or wave-soldering, six processes of postwelding optical check.And paste solder printing is as the first working procedure of SMT processing procedure, and its printing precision is directly related for paster and welding quality, and the not high PCB that may make of printing quality produces defective modes such as rosin joint.And the PCB paste solder printing generally comprises manual, semi-automatic, full-automatic printing.Along with dwindling of electronic component yardstick, can not satisfy the requirement of SMT assembling by manual, the semi-automatic printing of pin machinery location.And full-automatic stencil printing machine adopts and to carry out accurate silk screen based on machine vision technique and locate with PCB and aim at.Its realization needs platform motion axle and the accurate motion of camera motion axle and control to realize.After finished the accurate location of silk screen and PCB, assurance paste solder printing function realizes also comprising according to certain time sequence carried out motion control to a series of axles, and these motions comprise send plate motion, platform ascending motion etc.
Because stencil printer is a typical multi-shaft motion control system, and need to guarantee the paste solder printing precision that it is very important selecting appropriate control structure.Stencil printer generally comprises the accurately axle of control of eight needs, is respectively camera motion X-axis, camera motion Y-axis, platform Y1 axle, platform Y2 axle, platform X-axis, the wide axle of PCB guide rail accent, tin cream scraper pressure kinematic axis Z1/Z2.This eight axles motion not requiring interlock control, aims at the accurate of silk screen but have requirement, particularly camera motion X-axis, camera motion Y-axis, platform Y1 axle, platform Y2 axle, the platform X-axis kinematic accuracy of Collaborative Control directly to influence PCB.Control PLC or the motion control plate card type stepping/servo drive system that adoptable scheme comprises the stepping of bus type intelligent driving system of stepping motor, bus type intelligent stepping servo drive system, bus type PLC control or servo drive system, non-bus type for this multiaxis.The structure of non-bus type is for multiaxial motion control, can adopt PLC directly to send out high-speed pulse or adopts PLC position control module drive, and its control structure requires to be equipped with a plurality of PLC, position control module, servo-driver, makes the wiring complexity.If directly adopt PLC directly to send out pulsed drive, the kinematic error that the system that also makes can't the compensated position pulse missing causes.Bus type motion control structure does not have these problems.Certain stencil printer of Germany is exactly the intelligent driving system of stepping motor that adopts the CANOpen universal serial bus, but cost is higher.
The utility model content
The purpose of this utility model is to overcome the shortcoming of prior art, a kind of accurate location, anti-electromagnetic interference is strong, reliability is high, cost is low employing state machine control structure and RS485 full duplex or semiduplex serial multi-axis control system are provided, and this system can be applicable in the various pcb board stencil printers.
For realizing the purpose of this utility model, the technical solution adopted in the utility model is as follows:
A kind of serial multi-axis step-by-step control system that is used for stencil printer, comprise host computer, RS485 full duplex or half-duplex Serial Control bus, two direct current stepping servo drive systems and exchange the stepping servo drive system that described host computer, direct current stepping servo drive system, interchange stepping servo drive system all are mounted on RS485 full duplex or the half-duplex Serial Control bus; Described host computer comprises multiaxis state of a control machine and movement instruction VI storehouse, and multiaxis state of a control machine calls dependent instruction VI in the movement instruction VI storehouse; One of four stepping servo drive systems of described direct current comprise one of four stepping servo-drivers of direct current, camera X-axis stepper motor, scraper Z1 shaft step motor and scraper Z2 shaft step motor, one of four stepping servo-drivers of direct current drives camera X-axis stepper motor, scraper Z1 shaft step motor and scraper Z2 shaft step motor; Two of four stepping servo drive systems of described direct current comprise two of four stepping servo-drivers of direct current, platform Y1 shaft step motor, platform Y2 shaft step motor, platform X-axis stepper motor and the wide shaft step motor of rail, and two of four stepping servo-drivers of direct current drive platform Y1 shaft step motor, platform Y2 shaft step motor, platform X-axis stepper motor and the wide shaft step motor of rail; Described interchange stepping servo drive system comprises interchange single shaft stepping servo-driver and camera y-axis stepper motor, exchanges single shaft stepping servo driver drives camera y-axis stepper motor.
The utility model compared with prior art has following advantage and beneficial effect:
(1) the utility model is convenient to structure, debugging, the modification of control system to the multi-axis control system of PCB stencil printer employing multiaxial state machine structure, can carry out multiaxis simultaneously better and coordinate control;
(2) the utility model has the strong characteristics of control function to the movement instruction VI storehouse of PCB stencil printer employing based on the structure of the LabVIEW of NI company technical standard;
(3) the multi-axis control system that the utility model adopted based on RS485 full duplex or half duplex serial bus, have that few, the anti-electromagnetic interference of wiring is strong, motion control accurately, high reliability features.
Description of drawings
Fig. 1 is the multi-axis control system schematic diagram of the PCB stencil printer based on RS485 full duplex or half-duplex Serial Control bus of the present utility model;
Shown in the figure: the wide stepper motor 12-of 1-multiaxis state of a control machine 2-movement instruction VI storehouse 3-direct current four axle stepping servo driver 4-camera X stepper motor 5-scraper Z1 stepper motor 6-scraper Z2 stepper motor 7-camera Y stepping motor 8-platform Y1 stepper motor 9-platform Y2 stepper motor 10-platform X stepper motor 11-rails direct current four axle stepping servo driver 13-exchange single shaft stepping servo driver 14-RS485 full duplex or half-duplex serial control bus 15-host computer A-direct current stepping servo drive system B-direct current stepping servo drive system
The specific embodiment
In order to understand the utility model better, below in conjunction with accompanying drawing the utility model is done to describe further, but embodiment of the present utility model is not limited thereto.
As shown in Figure 1, the serial multi-axis step-by-step control system that is used for stencil printer comprises host computer 15, RS485 full duplex or half-duplex Serial Control bus 14, two direct current stepping servo drive system A, B and exchanges the stepping servo drive system.Host computer 15 comprises multiaxis state of a control machine 1 and movement instruction VI storehouse 2, and multiaxis state of a control machine 1 calls dependent instruction VI in the movement instruction VI storehouse 2.Four stepping servo drive systems of direct current A comprises four stepping servo-drivers 3 of direct current, camera X-axis stepper motor 4, scraper Z1 shaft step motor 5 and scraper Z2 shaft step motor 6, difference drives camera X-axis stepper motor 4, scraper Z1 shaft step motor 5, scraper Z2 shaft step motor 6 on four stepping servo-drivers 3 of direct current.Four stepping servo drive systems of direct current B comprises four stepping servo-drivers 12 of direct current, platform Y1 shaft step motor 8, platform Y2 shaft step motor 9, platform X-axis stepper motor 10 and the wide shaft step motor 11 of rail; Four stepping servo-drivers 12 of direct current drive platform Y1 shaft step motor 8, platform Y2 shaft step motor 9, platform X-axis stepper motor 10, the wide shaft step motor 11 of rail respectively.Exchange the stepping servo drive system and comprise interchange single shaft stepping servo-driver 13 and camera y-axis stepper motor 7, exchange single shaft stepping servo-driver 13 drives camera y-axis stepper motors 7.Articulate host computer 15, four stepping servo-drivers 3 of direct current, four stepping servo-drivers 12 of direct current on RS485 full duplex or the half-duplex Serial Control bus respectively and exchange single shaft stepping servo controller 13.
The serial multi-axis step-by-step control system that is used for stencil printer is taked multiaxis state of a control machine control structure, send motion control instruction by the stepping servo instruction VI storehouse based on the LabVIEW of NI company technical standard, the The whole control system framework is on RS485 full duplex or half-duplex Serial Control bus.Specific as follows:
The multiaxis state of a control machine 1 of operation at first enters init state on the host computer 15, call returning of movement instruction VI storehouse and instruct VI zero point, send motion control instruction by RS485 full duplex or half-duplex Serial Control bus 14, and by four stepping servo-drivers 3 of direct current, four stepping servo-drivers 12 of direct current with exchange single shaft stepping servo controller 13 and resolve, return zero point to drive corresponding stepper motor.Then, multiaxis state of a control machine 1 enters wait state, the waiting system movement instruction.When system sends the relative parameters setting instruction, call the relative parameters setting instruction VI in movement instruction storehouse, send motion control instruction by RS485 full duplex or half-duplex Serial Control bus 14, and by four stepping servo-drivers 3 of direct current, four stepping servo-drivers 12 of direct current with exchange single shaft stepping servo controller 13 and resolve, finish the parameter setting of corresponding axis.When system sends crawl, absolute movement instruction, relative motion instruction to corresponding axis, call the relative parameters setting instruction VI in movement instruction storehouse, send motion control instruction by RS485 full duplex or half-duplex Serial Control bus 14, and by four stepping servo-drivers 3 of direct current, four stepping servo-drivers 12 of direct current with exchange single shaft stepping servo controller 13 and resolve, drive corresponding motor and move to assigned address with given acceleration-deceleration and speed.The circuit board of stencil printer clamps, aims at, the motion positions of camera, and the printing movements of scraper etc. are finished the working cycles of whole stencil printer automatically according to the job order of strictness under the multiaxis state of a control machine control of this serial multi-axis step-by-step system.
The utility model adopt with multiaxis state of a control machine, movement instruction VI storehouse and RS485 full duplex or The half-duplex serial control bus is the PCB stencil printer multiaxis serial step-by-step control system of core, can advance The characteristics that the row multiaxis is coordinated control, had compact conformation, few, the anti-electromagnetic interference of wiring is strong, reliability is high, Can be used in the various PCB stencil printers.
Claims (2)
1. serial multi-axis step-by-step control system that is used for stencil printer, it is characterized in that comprising host computer (15), RS485 full duplex or half-duplex Serial Control bus (14), two direct current stepping servo drive systems (A, B) and exchange the stepping servo drive system that described host computer (15), direct current stepping servo drive system (A, B), interchange stepping servo drive system all are mounted on RS485 full duplex or the half-duplex Serial Control bus (14); Described host computer (15) comprises multiaxis state of a control machine (1) and movement instruction VI storehouse (2), and multiaxis state of a control machine (1) calls dependent instruction VI in the movement instruction VI storehouse (2); Four stepping servo drive systems of described direct current (A) comprise four stepping servo-drivers of direct current (3), camera X-axis stepper motor (4), scraper Z1 shaft step motor (5) and scraper Z2 shaft step motor (6), four stepping servo-drivers of direct current (3) drives camera X-axis stepper motors (4), scraper Z1 shaft step motor (5) and scraper Z2 shaft step motor (6); Four stepping servo drive systems of described direct current B comprises four stepping servo-drivers of direct current (12), platform Y1 shaft step motor (8), platform Y2 shaft step motor (9), platform X-axis stepper motor (10) and the wide shaft step motor of rail (11), and four stepping servo-drivers of direct current (12) drive platform Y1 shaft step motor (8), platform Y2 shaft step motor (9), platform X-axis stepper motor (10) and the wide shaft step motor of rail (11); Described interchange stepping servo drive system comprises interchange single shaft stepping servo-driver (13) and camera y-axis stepper motor (7), exchanges single shaft stepping servo-driver (13) drives camera y-axis stepper motor (7).
2. a kind of serial multi-axis step-by-step control system that is used for stencil printer according to claim 1 is characterized in that movement instruction VI storehouse (2) is for following the instruction database of LabVIEW technical standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200471518U CN201052692Y (en) | 2007-01-05 | 2007-01-05 | Serial multi-shaft step-by-step control system used for tin paste printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200471518U CN201052692Y (en) | 2007-01-05 | 2007-01-05 | Serial multi-shaft step-by-step control system used for tin paste printing machine |
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| Publication Number | Publication Date |
|---|---|
| CN201052692Y true CN201052692Y (en) | 2008-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200471518U Expired - Fee Related CN201052692Y (en) | 2007-01-05 | 2007-01-05 | Serial multi-shaft step-by-step control system used for tin paste printing machine |
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| CN (1) | CN201052692Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896893A (en) * | 2012-11-13 | 2013-01-30 | 潍坊永昱电控科技有限公司 | Print platform registration component for color printing machine |
| CN106132103A (en) * | 2016-08-17 | 2016-11-16 | 无锡市莱科自动化科技有限公司 | Flexible circuit board printer platform automatic correction device |
| CN110012608A (en) * | 2019-04-30 | 2019-07-12 | 上海旭同实业有限公司 | It is automatic to adjust wide connection platform |
| CN112650148A (en) * | 2019-10-10 | 2021-04-13 | 摩梁(上海)智能科技有限公司 | Multi-axis motion control system and method |
-
2007
- 2007-01-05 CN CNU2007200471518U patent/CN201052692Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896893A (en) * | 2012-11-13 | 2013-01-30 | 潍坊永昱电控科技有限公司 | Print platform registration component for color printing machine |
| CN106132103A (en) * | 2016-08-17 | 2016-11-16 | 无锡市莱科自动化科技有限公司 | Flexible circuit board printer platform automatic correction device |
| CN110012608A (en) * | 2019-04-30 | 2019-07-12 | 上海旭同实业有限公司 | It is automatic to adjust wide connection platform |
| CN112650148A (en) * | 2019-10-10 | 2021-04-13 | 摩梁(上海)智能科技有限公司 | Multi-axis motion control system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080430 Termination date: 20110105 |