CN102267161A - Control system applied in brick making machine - Google Patents
Control system applied in brick making machine Download PDFInfo
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- CN102267161A CN102267161A CN2011102130082A CN201110213008A CN102267161A CN 102267161 A CN102267161 A CN 102267161A CN 2011102130082 A CN2011102130082 A CN 2011102130082A CN 201110213008 A CN201110213008 A CN 201110213008A CN 102267161 A CN102267161 A CN 102267161A
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Abstract
A control system applied in a brick making machine comprises an MPI (multi-point interface) bus as well as a master control module and a control screen which are connected on the MPI bus, and a variable vibration module, an anti-interference module and an output surge module, wherein the variable vibration module is used for controlling a vibrator, the anti-interference module is used for receiving an action feedback signal, the output surge module is used for giving out an action command, the variable vibration module, the anti-interference module and the output surge module are respectively connected with the master control module, the variable vibration module consists of a power supply, two motors, a frequency converter, a contactor connected between the power supply and the frequency converter, a braking unit electrically connected with the frequency converter, two air switches and two air switch contacts, the two air switches are respectively connected between the frequency converter and the two motors, and the two air switch contacts are connected in series and connected with the frequency converter. The program control on the master control module is adopted, and signal transmission control between the anti-interference module and the output surge module and all the devices of the brick making machine is carried out, thus being capable of realizing automatic production control of the brick making machine; and the variable vibration module has a soft start function, so that the synchronous working of the two motors can be realized.
Description
Technical field
The present invention relates to brickmaking mechanical, specifically be meant a kind of control system that is applied to the brick machine.
Background technology
The brick machine is a solid waste of utilizing contaminated environment such as building removal thing, lean ore slag, flyash, through pulverizing and proportion, and is pressed into various environment-friendly type building materials such as wall body brick, pavior brick, square brick.
The primary structure of existing brick machine generally comprises the control system of proportioner, pay-off, distribution device, shaped device, brick folding device and the action of control each several part etc.The compound that proportioner is formed raw materials such as the solid waste of contaminated environment such as lean ore slag, flyash and water is prepared burden according to a certain percentage; The compound that pay-off will proportion and stir quantitatively feeds intake; Distribution device is uniformly distributed in compound in the mould of shaped device; Shaped device makes compound vibrating forming in mould by vibrations and pressing mode; Conveying device is then transported the building block of moulding.This shaping mechanism involving vibrations workbench and the vibrating device that is connected and is positioned at its below with shaking table.
At present, vibrating device mainly comprises vibration box, is installed in two groups of eccentric shafts in the vibration box and two motors that drive two groups of eccentric shafts respectively, connect by synchromesh gear group Synchronous Transmission between the turning cylinder of two adjacent eccentric shafts, every group of eccentric shaft comprises main eccentric shaft and from eccentric shaft, and the turning cylinder of the main eccentric shaft in the output of each motor and the one group of eccentric shaft being mated is in transmission connection.Adopt two groups of eccentric shafts and every group of eccentric shaft to carry out transmission by a motor of correspondence, the shock load of eccentric shaft is little and the vibrations smoothness is good.
Can there be some defectives in existing control system when the action of control vibrating device, two motors are connected three-phase electricity moment, it will produce 5 to 7 times motor rated current, this current value will increase the electric stress of two motor windings greatly, and produce heat, thus the life-span of reducing motor; When two contactors cut off the power supply moment, two motors rotate a period of time with original machinery inertial, this inertia action not only produces harmful effect to producing technology, the inertia that produces when stopping owing to motor simultaneously makes motor to be rotated further, and motor with load hinder motor and remain in operation, make motor produce bigger energy, can only lean on the motor lines resistance merely, had a strong impact on electrical machinery life with the consumption of heating form; Motor can not be realized speed changing function, and the vibration frequency that drives shaking table is non-adjustable, uses dumb; Two motors easily produce asynchronous operation, influence the stability of vibrating device.
Summary of the invention
The invention provides a kind of control system that is applied to the brick machine, it is undesirable on the control vibrating device that its main purpose is to overcome existing control system, and vibrating device does not have soft start function, two motors and easily produces shortcomings such as asynchronous operation.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of control system that is applied to the brick machine, comprise the MPI bus and be connected in the main control module on the MPI bus and control screen, also comprise the change that is used to the to control vibrating device module of shaking, be used to receive the immunity module of action feedback signal and the output surge module that is used to send action command, this change module of shaking, immunity module is connected with main control module respectively with output surge module, this change module of shaking comprises power supply, two motors, frequency converter, be connected in the contactor between power supply and the frequency converter, the brake unit that is electrically connected with frequency converter, two air switches and the two air switch contacts that cooperate with two air switches, this two air switch is connected between frequency converter and two motors, connects and be connected in frequency converter in this two air switches contact.
Aforementioned brake unit is connected with a braking resistor.
Aforementioned frequency converter is that 30KW does not have the sensing vector frequency converter.
Aforementioned main control module is the PLC controller.
The aforementioned screen of controlling is the TFT touching display screen.
By above-mentioned description to structure of the present invention as can be known, compare with prior art, the present invention has following advantage: this control system adopts the PLC controller to carry out programme-control, carry out signal transmission control by immunity module and output surge module and brick machine each several part device, it is strong to have antijamming capability, the reliability height can be realized the automated production control of brick machine.Control the design of screen, make operation more flexible and convenient, by the operation of controlling key on it, can realize full-automatic, semi-automatic, manual operation, the running simulation shows that operational factor can be set or revise, and has stronger formulation management function on panel.Become the design of having adopted frequency converter and brake unit in the module of shaking, the stability and the vibrating effect of the operation of vibrating device have been improved, and can realize frequency control, start with the zero-speed no-voltage, in case frequency and voltage relationship are set up, frequency converter just can drive load according to V/F control or vector control mode and carry out work, reduces the electric motor starting electric current; Have soft start function,, avoided startup immediate current shock problem, the service life of having improved motor because voltage is to add to maximum from zero volt with linear mode; Can realize the synchronous working of two motors, adopt the Starting mode of one drag two motor, promptly after frequency converter is received enabling signal, simultaneously two motor output voltages be started with the acceleration time of setting (0.1-999 seconds adjustable).Adopt the design of the moving resistance of brake unit preparation, solve motor inertia problem when stopping, when stopping, carry out brake, the energy of motor feedback can make the voltage on the frequency changer direct current bus raise, reach the accurate position of setting when its detection after, the energy of motor feedback just consumes with heat on braking resistor, and braking moment can reach 120%, can reach the requirement of quick parking.Adjust corresponding V/F relation by frequency converter, make motor can realize speed changing function, the vibration frequency that makes it drive shaking table is adjustable, applying flexible, can improve the quality of product, according to produced on-site to the vibration frequency of vibrating device and time of vibration require different, by adjusting to frequency converter, the vibration efficiency height can reach energy-saving effect.
Description of drawings
Fig. 1 is a schematic diagram of the present invention.
Fig. 2 is for becoming the schematic diagram of the module of shaking among the present invention.
The specific embodiment
The specific embodiment of the present invention is described with reference to the accompanying drawings.
With reference to Fig. 1.A kind of control system that is applied to the brick machine, comprise MPI bus 1 and be connected in the main control module 2 on the MPI bus 1 and control and shield 3, also comprise the change that is used to control vibrating device shake module 4, be used to receive the immunity module 5 of action feedback signal and the output surge module 6 that is used to send action command, shake module 4, immunity module 5 and output surge module 6 of this change is connected with main control module 2 respectively
This main control module 2 is the PLC controller, and this is controlled screen 3 and is the TFT touching display screen.
With reference to Fig. 2.Described change shake brake unit 45, two air switches 46,47 that module 4 comprises power supply, two motors 41,42, frequency converter 43, is connected in contactor 44 between power supply and the frequency converter 43, is electrically connected with frequency converter 43 and the two air switch contacts 460,470 that cooperate with two air switches 46,47, this two air switch 46,47 is connected between frequency converter 43 and two motors 41,42, connects and be connected in frequency converter 43 in this two air switches contact 460,470.The design of described two air switch contacts 460,470, purpose are for detection failure warning feedback signal, play the effect of the normal operation of protection motor.Described power supply is the three phase mains (not shown), and described frequency converter 43 does not have the sensing vector frequency converter for 30KW.
Bus (Bus) is to transmit the common communication main line of information, the transmission wire harness that it is made up of lead between the various functional parts of computer.Above-mentioned MPI bus 1 is a kind of of bus (Bus), and MPI is the abbreviated form of " Multi-Point Interface ".Above-mentioned three phase mains does not have the sensing vector frequency converter by contactor 44 with 30KW and is electrically connected.Above-mentioned brake unit 45, full name is " frequency converter tailored version dynamic braking unit ", its be mainly used in the mechanical duty factor of control heavier, retro-speed requires very fast occasion, the regenerative electric energy that motor produced is consumed by braking resistor 450, or regenerative current is fed back to electrical network.
Above-mentioned only is the specific embodiment of the present invention, but design concept of the present invention is not limited thereto, and allly utilizes this design that the present invention is carried out the change of unsubstantiality, all should belong to the behavior of invading protection domain of the present invention.
Claims (5)
1. control system that is applied to the brick machine, it is characterized in that: comprise the MPI bus and be connected in the main control module on the MPI bus and control screen, also comprise the change that is used to the to control vibrating device module of shaking, be used to receive the immunity module of action feedback signal and the output surge module that is used to send action command, this change module of shaking, immunity module is connected with main control module respectively with output surge module, this change module of shaking comprises power supply, two motors, frequency converter, be connected in the contactor between power supply and the frequency converter, the brake unit that is electrically connected with frequency converter, two air switches and the two air switch contacts that cooperate with two air switches, this two air switch is connected between frequency converter and two motors, connects and be connected in frequency converter in this two air switches contact.
2. a kind of control system that is applied to the brick machine as claimed in claim 1, it is characterized in that: described brake unit is connected with a braking resistor.
3. a kind of control system that is applied to the brick machine as claimed in claim 1 is characterized in that: described frequency converter is that 30KW does not have the sensing vector frequency converter.
4. a kind of control system that is applied to the brick machine as claimed in claim 1 is characterized in that: described main control module is the PLC controller.
5. a kind of control system that is applied to the brick machine as claimed in claim 1 is characterized in that: the described screen of controlling is the TFT touching display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102130082A CN102267161A (en) | 2011-07-28 | 2011-07-28 | Control system applied in brick making machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102130082A CN102267161A (en) | 2011-07-28 | 2011-07-28 | Control system applied in brick making machine |
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| Publication Number | Publication Date |
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| CN102267161A true CN102267161A (en) | 2011-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102130082A Pending CN102267161A (en) | 2011-07-28 | 2011-07-28 | Control system applied in brick making machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112157782A (en) * | 2020-09-29 | 2021-01-01 | 福建泉工股份有限公司 | Self-correcting synchronous vibration device and synchronous correction method of vibration table thereof |
| CN112338904A (en) * | 2020-10-27 | 2021-02-09 | 南京东奇智能制造研究院有限公司 | Robot multi-joint coordination control system |
| CN112542965A (en) * | 2020-11-26 | 2021-03-23 | 同济大学 | Multi-motor synchronous control system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2677123Y (en) * | 2003-12-29 | 2005-02-09 | 武汉宝德机电有限责任公司 | Full digita automatic controller for double-tray friction brickpressing machine |
| CN2819267Y (en) * | 2005-08-16 | 2006-09-20 | 彭雪巍 | Vibration controller of block shaper |
| CN202174629U (en) * | 2011-07-28 | 2012-03-28 | 福建泉工机械有限公司 | Control device applied to brick maker |
-
2011
- 2011-07-28 CN CN2011102130082A patent/CN102267161A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2677123Y (en) * | 2003-12-29 | 2005-02-09 | 武汉宝德机电有限责任公司 | Full digita automatic controller for double-tray friction brickpressing machine |
| CN2819267Y (en) * | 2005-08-16 | 2006-09-20 | 彭雪巍 | Vibration controller of block shaper |
| CN202174629U (en) * | 2011-07-28 | 2012-03-28 | 福建泉工机械有限公司 | Control device applied to brick maker |
Non-Patent Citations (1)
| Title |
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| 魏小林: "光洋SH1-32R2型PLC在砖机控制系统中的应用", 《自动化应用》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112157782A (en) * | 2020-09-29 | 2021-01-01 | 福建泉工股份有限公司 | Self-correcting synchronous vibration device and synchronous correction method of vibration table thereof |
| CN112338904A (en) * | 2020-10-27 | 2021-02-09 | 南京东奇智能制造研究院有限公司 | Robot multi-joint coordination control system |
| CN112542965A (en) * | 2020-11-26 | 2021-03-23 | 同济大学 | Multi-motor synchronous control system and method |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: FUJIAN QUAN GONG MACHINERY CO., LTD. Free format text: FORMER OWNER: FUJIAN QUANGONG MACHINERY CO., LTD. Effective date: 20120604 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20120604 Address after: 362333, Taoyuan Town, Nanan, Fujian Province, 11 villages, 1 stories, 13 buildings, second stories Applicant after: Fujian QGM Co., Ltd. Address before: 362333 Taoyuan Industrial Zone, Nanan, Quanzhou, Fujian Applicant before: Fujian Quangong Machinery Co., Ltd. |
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Application publication date: 20111207 |