CN208391428U - A kind of control panel for automatic screw locking machine - Google Patents
A kind of control panel for automatic screw locking machine Download PDFInfo
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- CN208391428U CN208391428U CN201820065275.7U CN201820065275U CN208391428U CN 208391428 U CN208391428 U CN 208391428U CN 201820065275 U CN201820065275 U CN 201820065275U CN 208391428 U CN208391428 U CN 208391428U
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- circuit
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- controller
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- screw locking
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Abstract
The utility model discloses a kind of control panels for automatic screw locking machine; the automatic screw locking machine has multiple electric screwdrivers; the control panel includes controller, interface protective circuit and one turn of multiplex roles circuit; one turn of multiplex roles circuit has an input terminal and multiple output ends; the controller is connect by interface protective circuit with the input terminal of one turn of multiplex roles circuit, and each output end of one turn of multiplex roles circuit is connected respectively to each electric screwdriver of automatic screw locking machine.It only needs that multiple electric screwdrivers can be controlled with a RS232 interface, to reduce the cost of control panel.Interface protective circuit, which sets can isolate, keeps apart controller and electric screwdriver; so that the voltage at electric screwdriver end or current fluctuation will not influence controller along one turn of multiplex roles circuit; protect the safety of controller; interface protective circuit also has signal amplifying function, so that motor control signal still ensures that accuracy after being divided into multichannel.The utility model is applied to technical field of industrial control.
Description
Technical field
The utility model relates to technical field of industrial control, especially a kind of control panel for automatic screw locking machine.
Background technique
Screw industrially is widely used as fastener.Traditional production process is specifically divided by tightening screw by hand
Pure craft is tightened tightens with electric screw driver.Electric screw driver generates rotary power by electric or pneumatic mode to tighten
Screw tightens movement with the frequent craft of replacement, alleviates the working strength of lock screw to a certain extent.But due to using
In electric screw driver rundown process, it is still necessary to a large amount of working time and energy be spent to come manual placing screws and alignment screw terminal
Portion, therefore whole efficiency is promoted than relatively limited.
The efficiency of the screwed lock work can be substantially improved in automatic screw locking machine.Automatic screw locking machine is also known as screwed lock
Robot, automatic locking screw machine are paid, core component is electric screwdriver and pick device, automatic Picking screw and can be placed
To corresponding position, then use electric screwdriver by screw means.In order to further increase production efficiency, usually locked in an automatic screw
Multiple electric screwdrivers are installed on the machine of paying, lock is carried out to multiple screws respectively simultaneously with this multiple electric screwdriver and pays work.
Automatic screw locking machine needs to realize automatic control, usual controller and memory, power supply using controller
The integrated one piece of circuit board with control function of the peripheral components such as management module and related chip, referred to as control panel.Controller
According to preset algorithm, generate motor control signal, the motor then motor control signal being sent to by interface in electric screwdriver.
The interface that controller is connected to motor is usually the serial ports such as RS232.From the perspective of improving production efficiency, automatic screw lock is paid
Machine installation electric screwdriver it is The more the better, still, existing electric machines control technology, be controller and motor are directly connected to, in this way, by
It would take up a serial ports of controller in an electric screwdriver, and the hardware resource of controller is limited, the controller core of some low sides
Piece is even more only one serial ports, and therefore the electric screwdriver quantity that control panel can connect is restricted, this restrict automatic screw locking machines
The further promotion of production efficiency.
Utility model content
In order to solve the above-mentioned technical problem, the purpose of this utility model is to provide a kind of for automatic screw locking machine
Control panel.
Technical solution adopted in the utility model is:
A kind of control panel for automatic screw locking machine, the automatic screw locking machine have multiple electric screwdrivers, the control
Making sheet includes controller, interface protective circuit and one turn of multiplex roles circuit, and one turn of multiplex roles circuit has an input terminal
With multiple output ends, the controller is connect by interface protective circuit with the input terminal of one turn of multiplex roles circuit, and described one turn
Each output end of multiplex roles circuit is connected respectively to each electric screwdriver of automatic screw locking machine.
Further, the interface protective circuit includes first diode, the second diode and third Diode series group
At first pair pipe, the 4th diode and the 5th Diode series composition second pair of pipe, first resistor, second resistance, first
Capacitor, the second capacitor, the first magnetic bead, the second magnetic bead and triode, one end of first pair of pipe and one end of first capacitor connect
It connects and passes through the first magnetic bead and first diode is connect with controller, the other end of first pair of pipe is grounded and passes through the second magnetic
Pearl connect with controller, and the both ends of second pair of pipe are grounded, and the other end of the first capacitor and the base stage of triode connect
It connects, the biasing circuit of the first resistor and second resistance composition triode, the emitter of the triode passes through the second capacitor
Ground connection, the both ends of second capacitor respectively with one turn of multiplex roles circuit connection.
Further, one turn of multiplex roles circuit includes graded shunt circuit, and the controller passes sequentially through interface guarantor
Protection circuit and shunt circuit at different levels are connected to each electric screwdriver of automatic screw locking machine.
Further, one turn of multiplex roles circuit includes first order shunt circuit and second level shunt circuit, the control
Device processed passes sequentially through interface protective circuit, first order shunt circuit and second level shunt circuit and is connected to automatic screw locking machine
Each electric screwdriver.
Further, the first order shunt circuit includes the first E232H4 converter, the second level shunt circuit packet
Include the 2nd E232H4 converter, the 3rd E232H4 converter, the 4th E232H4 converter and the 5th E232H4 converter, described
The input terminal of one E232H4 converter is connect with controller, and four output ends of the first E232H4 converter are respectively with second
The input terminal connection of E232H4 converter, the 3rd E232H4 converter, the 4th E232H4 converter and the 5th E232H4 converter,
The 2nd E232H4 converter, the 3rd E232H4 converter, the 4th E232H4 converter and the 5th E232H4 converter it is defeated
Outlet is connected respectively to each electric screwdriver of automatic screw locking machine.
The beneficial effects of the utility model are: one turn of multiplex roles circuit of the utility model makes controller only and needs with one
RS232 interface can control multiple electric screwdrivers, to reduce the wiring complexity of control panel, can also reduce the property to controller
It can require, to reduce the cost of control panel, also be more easily implemented automatic screw locking machine, improve the effect of the screwed lock work
Rate.The interface protective circuit of the utility model is arranged between controller and one turn of multiplex roles circuit, can isolate controller
Keep apart with electric screwdriver, so that the voltage at electric screwdriver end or current fluctuation will not influence controller, protection along one turn of multiplex roles circuit
The safety of controller, interface protective circuit also have signal amplifying function, so that motor control signal remains to after being divided into multichannel
Guarantee accuracy.
Detailed description of the invention
Fig. 1 is the first structure block diagram of the utility model；
Fig. 2 is the circuit diagram of the utility model interface protective circuit；
Fig. 3 is second structural block diagram of the utility model.
Specific embodiment
A kind of control panel for automatic screw locking machine of the utility model, as shown in Figure 1, including controller, interface guarantor
Protection circuit and one turn of multiplex roles circuit, one turn of multiplex roles circuit have an input terminal and multiple output ends, the control
Device is connect by interface protective circuit with the input terminal of one turn of multiplex roles circuit, each output end point of one turn of multiplex roles circuit
It is not connected to each electric screwdriver of automatic screw locking machine.
Controller, interface protective circuit and one turn of multiplex roles circuit integration are on one piece of circuit board.Controller can use
The various chips such as ARM, STM32,89C51.Controller can send motor control signal to electric screwdriver by RS232 interface.One turn
The input terminal of multiplex roles circuit can be RS232 interface, and multiple output ends can also all be RS232 interface, each output end
It is connected respectively on the motor of an electric screwdriver.One turn of multiplex roles circuit receives the motor control signal that controller issues, and will
It is converted into multiple identical signals, this multiple identical signal passes through multiple output ends respectively and is sent on electric screwdriver, control electricity
The motor work criticized.Interface protective circuit is arranged between controller and one turn of multiplex roles circuit, can isolate controller and one
Turn multiplex roles circuit, so that the voltage at electric screwdriver end or current fluctuation will not influence controller, protection along one turn of multiplex roles circuit
The safety of controller, interface protective circuit also have signal amplifying function, keep the accuracy of motor control signal.
Due to the stationarity of process, when multiple electric screwdrivers of automatic screw locking machine work at the same time, process is usually identical
, that is to say, that the same time, the interior motor control signal sent to each electric screwdriver was all identical.By the utility model, only
The RS232 interface that controller need to be occupied can also be competent at and lock to automatic screw even with the low sides chip such as 89C51
The control work for the machine of paying, reduces the cost of control panel.Other serial ports of controller chip, may be used as other purposes.Meanwhile by
In multiple electric screwdrivers from being directly connected to controller, the complexity of control panel wiring can be reduced.
Be further used as preferred embodiment, as shown in Fig. 2, the interface protective circuit include first diode D1,
Second diode D2, third diode D3, the 4th diode D4, the 5th diode D5, first resistor R1, second resistance R2,
One capacitor C1, the second capacitor C2, the first magnetic bead L1, the second magnetic bead L2 and triode Q, the second diode D2 and the three or two pole
Pipe D3 is composed in series first pair of pipe, and the 4th diode D4 and the 5th diode D5 is composed in series second pair of pipe, and described first
One end of pipe is connect with one end of first capacitor C1 and passes through the first magnetic bead L1 and first diode D1 and is connect with controller, institute
The other end for stating first pair of pipe is grounded and passes through the second magnetic bead L2 and connect with controller, and the both ends of second pair of pipe are grounded,
The other end of the first capacitor C1 is connect with the base stage of triode Q, and the first resistor R1 and second resistance R2 form three poles
The emitter of the biasing circuit of pipe Q, the triode Q is grounded by the second capacitor C2, the both ends difference of the second capacitor C2
With one turn of multiplex roles circuit connection.
Interface protective circuit shown in Fig. 2 can be adapted for the interface of the non-differential signal such as RS232.Control panel is in control electricity
Machine usually only needs simplex communication, that is, control panel that need to only send motor control signal when working, and motor need to only receive motor
Control signal.The end TXD of interface protective circuit is connected to the end TXD of controller chip RS232 interface, the GND of interface protective circuit
End and ground wire are connected to the end GND of controller chip RS232 interface.
First magnetic bead L1 and the second magnetic bead L2 can inhibit high-frequency noise and spike to interfere, and can mitigate the motor work of electric screwdriver
As when generate electromagnetic pollution interference.First capacitor and the second capacitor can inhibit the low-frequency noise in motor control signal.The
A pair of pipe has managed clamping action with second pair, even if electric screwdriver operation irregularity, abnormal voltage influence of fluctuations to control panel, controller
RS232 interface is not more than safe range, the safety of protection interface.Triode plays the role of amplifying motor control signal,
So that it, which is input to after one turn of multiplex roles circuit carries out branch, is still able to maintain fairly good signal-to-noise ratio.
It is further used as preferred embodiment, one turn of multiplex roles circuit includes graded shunt circuit, the control
Device passes sequentially through interface protective circuit and shunt circuit at different levels is connected to each electric screwdriver of automatic screw locking machine.
One turn of multiplex roles circuit is actually the shunt circuit that the interfaces such as RS232 all the way are divided into multichannel.In actual production
In, automatic screw locking machine might have multiple electric screwdrivers, such as up to 16 or 32, if directly requiring to use individually
One input terminal, 16 or 32 output ends, it may be difficult to be realized with suitable hardware.And such as an input terminal, 4 output ends
Deng shunt circuit be then easier to realize.Therefore, it is possible to use multiple shunt circuits are cascaded, thus reduce circuit realize it is difficult
Degree.
It is further used as preferred embodiment, one turn of multiplex roles circuit includes first order shunt circuit and the second level
Shunt circuit, the controller pass sequentially through interface protective circuit, first order shunt circuit and second level shunt circuit and are connected to
Each electric screwdriver of automatic screw locking machine.
In order to reduce the time delay that circuit complexity and motor control signal transmit in graded shunt circuit, two-stage is used
Shunt circuit is suitable.
It is further used as preferred embodiment, as shown in figure 3, the first order shunt circuit turns including the first E232H4
Parallel operation, the second level shunt circuit include the 2nd E232H4 converter, the 3rd E232H4 converter, the 4th E232H4 converter
It is connect with the input terminal of the 5th E232H4 converter, the first E232H4 converter with controller, the first E232H4 turns
Four output ends of parallel operation respectively with the 2nd E232H4 converter, the 3rd E232H4 converter, the 4th E232H4 converter and
The input terminal of five E232H4 converters connects, and the 2nd E232H4 converter, the 3rd E232H4 converter, the 4th E232H4 turn
The output end of parallel operation and the 5th E232H4 converter is connected respectively to each electric screwdriver of automatic screw locking machine.
Two-stage shunt circuit uses altogether 5 E232H4 converters.E232H4 is a 4 road RS-232 high-speed isolated line concentration
Converter has an input terminal and four output ends, and two end signals keep Phototube Coupling, can be realized a serial ports
Equipment and 4 serial equipment master slave communications.
As first order shunt circuit, the end RS232 of input terminal and controller connects first E232H4 converter, and four
A output end respectively with the 2nd E232H4 converter, the 3rd E232H4 converter, the 4th E232H4 converter and the 5th E232H4
The input terminal of converter connects, and controller is as host, the 2nd E232H4 converter, the 3rd E232H4 converter, the 4th
E232H4 converter and the 5th E232H4 converter are as slave.In this way, the RS232 all the way that the first E232H4 converter receives
Signal can be converted from the 2nd E232H4 converter, the 3rd E232H4 converter, the 4th E232H4 converter and the 5th E232H4
16 output end output, this 16 output ends altogether of device are separately connected an electric screwdriver, at most can control the electricity of 16 electric screwdrivers
Machine works.
It is to be illustrated to the preferable implementation of the utility model, but be not limited to the utility model creation above
The embodiment, those skilled in the art can also make various without departing from the spirit of the present invention
Equivalent deformation or replacement, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (5)
1. a kind of control panel for automatic screw locking machine, the automatic screw locking machine has multiple electric screwdrivers, and feature exists
In the control panel includes controller, interface protective circuit and one turn of multiplex roles circuit, and one turn of multiplex roles circuit has one
A input terminal and multiple output ends, the controller are connect by interface protective circuit with the input terminal of one turn of multiplex roles circuit,
Each output end of one turn of multiplex roles circuit is connected respectively to each electric screwdriver of automatic screw locking machine.
2. a kind of control panel for automatic screw locking machine according to claim 1, which is characterized in that the interface is protected
Protection circuit includes first pair of pipe, the 4th diode and the of first diode, the second diode and third Diode series composition
Second pair of pipe of five Diode series composition, first resistor, second resistance, first capacitor, the second capacitor, the first magnetic bead, second
Magnetic bead and triode, one end of first pair of pipe and one end of first capacitor connect and pass through the first magnetic bead and first diode
It is connect with controller, the other end of first pair of pipe is grounded and passes through the second magnetic bead and connect with controller, second pair of pipe
Both ends be grounded, the base stage of the other end of the first capacitor and triode connects, the first resistor and second resistance group
At the biasing circuit of triode, the emitter of the triode by the second capacity earth, distinguish by the both ends of second capacitor
With one turn of multiplex roles circuit connection.
3. a kind of control panel for automatic screw locking machine according to claim 1, which is characterized in that described more than one turn
Interface circuit includes graded shunt circuit, and the controller passes sequentially through interface protective circuit and shunt circuit at different levels is connected to certainly
Each electric screwdriver of dynamic the screwed lock machine.
4. a kind of control panel for automatic screw locking machine according to claim 3, which is characterized in that described more than one turn
Interface circuit includes first order shunt circuit and second level shunt circuit, and the controller passes sequentially through interface protective circuit,
Level-one shunt circuit and second level shunt circuit are connected to each electric screwdriver of automatic screw locking machine.
5. a kind of control panel for automatic screw locking machine according to claim 4, which is characterized in that the first order
Shunt circuit includes the first E232H4 converter, and the second level shunt circuit includes the 2nd E232H4 converter, third
E232H4 converter, the 4th E232H4 converter and the 5th E232H4 converter, the input terminal of the first E232H4 converter
Connect with controller, four output ends of the first E232H4 converter respectively with the 2nd E232H4 converter, third
The input terminal of E232H4 converter, the 4th E232H4 converter and the 5th E232H4 converter connects, and the 2nd E232H4 turns
Parallel operation, the 3rd E232H4 converter, the 4th E232H4 converter and the 5th E232H4 converter output end be connected respectively to from
Each electric screwdriver of dynamic the screwed lock machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820065275.7U CN208391428U (en) | 2018-01-15 | 2018-01-15 | A kind of control panel for automatic screw locking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820065275.7U CN208391428U (en) | 2018-01-15 | 2018-01-15 | A kind of control panel for automatic screw locking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208391428U true CN208391428U (en) | 2019-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820065275.7U Expired - Fee Related CN208391428U (en) | 2018-01-15 | 2018-01-15 | A kind of control panel for automatic screw locking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208391428U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280695A (en) * | 2019-06-26 | 2019-09-27 | 常熟理工学院 | It is a kind of for cutting the locking mechanism of IC pin |
-
2018
- 2018-01-15 CN CN201820065275.7U patent/CN208391428U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280695A (en) * | 2019-06-26 | 2019-09-27 | 常熟理工学院 | It is a kind of for cutting the locking mechanism of IC pin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190118 Termination date: 20200115 |