CN208991847U - A kind of plate shearing machine - Google Patents
A kind of plate shearing machine Download PDFInfo
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- CN208991847U CN208991847U CN201821556543.1U CN201821556543U CN208991847U CN 208991847 U CN208991847 U CN 208991847U CN 201821556543 U CN201821556543 U CN 201821556543U CN 208991847 U CN208991847 U CN 208991847U
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- circuit
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- power supply
- human testing
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Abstract
The utility model discloses a kind of plate shearing machine, it is related to the equipment for shearing plate, solves in cutter normal use, there are problems that staff leaves cutter and ignores power-off, its key points of the technical solution are that: including power supply, electric energy is provided for cutter；Human testing unit, set on the front of plate shearing machine for detecting human body signal and being converted to human testing signal；Execution unit is coupled to the human testing unit to receive human testing signal and switch the on-off in circuit between cutter and the power supply in response to human testing signal；The execution unit includes: switching circuit, is coupled to the human testing unit to receive human testing signal and output switching signal；Execution circuit is coupled to the switching circuit to receive switching signal and switch the on-off in circuit between cutter and the power supply in response to switching signal；A kind of plate shearing machine of the utility model will automatically power off once detecting that staff leaves cutter.
Description
Technical field
The utility model relates to shear the equipment of plate, in particular to a kind of plate shearing machine.
Background technique
Plate shearing machine is to be done reciprocating linear motion to shear the machine of plate with relatively another blade of a blade.It is to borrow in movement
Cutter and fixed bottom knife shearing force is applied to the sheet metal of various thickness, makes plate using reasonable gap blade
Material presses required size fracture separation.Plate shearing machine belongs to one of metal forming machinery, and main function is exactly intermetallic composite coating.Product
It is widely used in special needed for the industries such as aviation, light industry, metallurgy, chemical industry, building, ship, automobile, electric power, electric appliance, decoration provide
With mechanical and complete set of equipments.
Plate shearing machine is used for intermetallic composite coating, in usual use process, due to the working strength of its own, it is desirable that cutter exists
There must be staff on the scene when running, stop working once staff leaves needs, but in cutter normal use, deposit
The case where cutter ignores power-off is left in staff, there is improved space.
Utility model content
The purpose of the utility model is to provide a kind of plate shearing machines, once detect that staff leaves cutter, it will be automatic
Power-off.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of plate shearing machine, including
Power supply provides electric energy for cutter；
Human testing unit, set on the front of plate shearing machine for detecting human body signal and being converted to human testing signal；
Execution unit is coupled to the human testing unit to receive human testing signal and in response to human testing signal
To switch the on-off in circuit between cutter and the power supply；
The execution unit includes:
Switching circuit is coupled to the human testing unit to receive human testing signal and output switching signal；
Execution circuit is coupled to the switching circuit to receive switching signal and in response to switching signal to switch cutter
The on-off in circuit between the power supply；
When human testing unit detects human body signal, circuit closed between cutter and the power supply；Conversely, cutter
Circuit disconnects between the power supply.
Using the above scheme, human testing unit in real time detects human testing signal, once human body is not detected
Signal, execution unit switch the on-off in circuit between cutter and the power supply, realize automatically powering off for cutter, save electricity
Can, next avoids the problem that subsequent personnel's false triggering cutter；
Human testing unit is installed on the front of cutter, meet staff operate cutter present position, convenient for pair
Human body signal is detected, and the accuracy of judgement degree whether staff leaves cutter is improved.
Preferably, the switching circuit is triode；The execution circuit is electromagnetic relay.
Using the above scheme, rapidly, conducting speed is fast for the response of triode cooperation electromagnetic relay；Secondly electromagnetic relay category
Its work is managed in low current, safety coefficient is high.
Preferably, the execution unit further include:
Circuit is protected, is coupled to the both ends of the electromagnetic relay for protecting electromagnetic relay.
Using the above scheme, electromagnetic relay can generate the inverse electromotive force of very big voltage when power is off, and protection circuit is made
It protects and uses for afterflow, absorb the self induction voltage of electromagnetic relay coil, protect electromagnetic relay, it is practical.
Preferably, further include:
Indicating unit, the on-off in circuit where being used to indicate the power supply and cutter；
Circuit disconnects where the power supply and cutter, the indicating unit work；Conversely, the indicating unit not work
Make.
Using the above scheme, when staff will leave, if circuit closed where power supply and cutter, indicating unit work
Work mentions indicative function to staff, after cutter is disconnected convenient for staff, further out.
Preferably, the indicating unit is sound instruction.
Using the above scheme, sound instruction gives staff with instruction acoustically, and sound instruction is without dead zone, instruction
It works well；Secondly it compared to lamplight pointing, avoids the problem that influencing indicating effect because of light intensity.
Preferably, further include:
Unit is eliminated, is coupled to the indicating unit for eliminating the indicative function of the indicating unit.
Using the above scheme, after indicating unit indicates in place staff, staff can pass through elimination in time
Unit eliminates the instruction of indicating unit, saves electric energy, environmental protection.
Preferably, further including being coupled to the power supply and cutter place circuit and in response to the on-off in the circuit with reality
The switch unit of existing indicating unit control.
Using the above scheme, once circuit disconnects where power supply and cutter, switch unit switches indicating unit institute immediately
In circuit, so that indicating unit works, current the problem of cutter is not disconnected into power supply is recognized convenient for staff.
Preferably, the switch unit is the electromagnetic relay in circuit where being coupled to the power supply and cutter.
Using the above scheme, electromagnetic relay is a kind of electronic control device, belongs to low current and manages its work, safety is
Number is high；Secondly electromagnetic relay does not need cooling fin, and cheap.
In conclusion the utility model has the following beneficial effects:
1, human testing unit in real time detects human testing signal, once human body signal is not detected, executes list
The on-off in circuit, realizes automatically powering off for cutter between member switching cutter and the power supply, electric energy is saved, after next is avoided
The problem of continuous personnel's false triggering cutter；
2, human testing unit is installed on the front of cutter, meets staff and operates cutter present position, is convenient for
Human body signal is detected, the accuracy of judgement degree whether staff leaves cutter is improved.
Detailed description of the invention
Fig. 1 is the circuit diagram of human testing unit, execution unit in the present embodiment；
Fig. 2 is the circuit diagram of indicating unit, indicating unit, switch unit in the present embodiment.
In figure: 1, power supply；2, human testing unit；3, execution unit；301, switching circuit；302, execution circuit；303,
Protect circuit；4, indicating unit；5, indicating unit；6, switch unit.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing 1-2.
As shown in Figure 1 and Figure 2, a kind of plate shearing machine disclosed in the present embodiment, including providing the power supply 1 of electric energy for cutter, setting
It is used to detect human body signal in the front of plate shearing machine and is converted to the human testing unit 2 of human testing signal, be coupled to human body
Detection unit 2 is logical to receive human testing signal and switch circuit between cutter and power supply 1 in response to human testing signal
Disconnected execution unit 3.
As shown in Figure 1, human testing unit 2 includes pyroelectric sensor RS and phase inverter A, the type of pyroelectric sensor RS
It number is LN074B type, the model 74HC04 of phase inverter A.The end D of pyroelectric sensor RS is connect with the anode of power supply E, and heat is released
The end G of electric transducer RS is connect with ground GND, and the end S of pyroelectric sensor RS is connect with the input terminal of phase inverter A.
As shown in Figure 1, execution unit 3 includes being coupled to human testing unit 2 to receive human testing signal and export and open
The switching circuit 301 of OFF signal is coupled to switching circuit 301 to receive switching signal and switch shearing in response to switching signal
The execution circuit 302 of circuit on-off between machine and power supply 1.Switching circuit 301 is triode Q1, and wherein triode Q1 is NPN type
Triode and model 2SC3998.Execution circuit 302 is electromagnetic relay KA1, wherein the model of electromagnetic relay KA1
hh52p.Execution unit 3 further includes being coupled to the both ends of electromagnetic relay KA1 for protecting the protection circuit of electromagnetic relay KA1
303, and protect circuit 303 for diode D1, and the model 1N4007 of diode D1.
As shown in Figure 1, the output end of phase inverter A is connect with one end that numerical value is 385 Ohmic resistance R1, resistance R1's is another
End is connect with the base stage of triode Q3, and the emitter of triode Q3 is connect with ground GND.One end of electromagnetic relay KA1 respectively with
The anode connection of the collector of triode Q1, diode D1, the other end of electromagnetic relay KA1 respectively with power supply VCC, diode
The cathode of D1 connects.
When human body signal is not detected in pyroelectric sensor RS, pyroelectric sensor RS exports low level, phase inverter output
High level, triode Q1 conducting, electromagnetic relay KA1 obtains electric；Pyroelectric sensor RS detects human body signal, pyroelectricity sensing
Device RS exports high level, and phase inverter exports low level, and triode Q1 is not turned on, and electromagnetic relay KA1 must not electricity.
As shown in Fig. 2, further including the indicating unit 4 of circuit on-off where being used to indicate power supply 1 and cutter, being coupled to finger
Show unit 4 for eliminating the elimination unit 5 of 4 indicative function of indicating unit, being coupled to power supply 1 and cutter place and responds circuit
The switch unit 6 of the control of indicating unit 4 is realized in the on-off in the circuit, and switch unit 6 is to be coupled to power supply 1 and cutter
The electromagnetic relay KA2 in place circuit.
As shown in Fig. 2, indicating unit 4 is sound instruction, indicating unit 4 is loudspeaker BL.Elimination unit 5 is normally closed switch
SW1.One end of loudspeaker BL is connect with one end of normally closed switch SW1, the other end and electromagnetic relay KA2 of normally closed switch SW1
One end of normally opened contact KA2-1 connects, and the other end of electromagnetic relay KA2 normally opened contact KA2-1 is connect with power supply VCC.Electromagnetism
One end of relay KA2 is connect with one end of resistance R2, cutter one end respectively, the other end and electromagnetism of electromagnetic relay KA2
One end of relay KA1 normally-closed contact KA1-1 connects.
Electromagnetic relay KA1 obtains electric, electromagnetic relay KA1 normally-closed contact KA1-1 disconnection, returns where shear plate and power supply 1
Road disconnects, electromagnetic relay KA2 normally opened contact KA2-1 closure, loudspeaker BL work；Electromagnetic relay KA1 obtains electric, electromagnetism relay
Device KA1 normally-closed contact KA1-1 is still closed, and shear plate is still closed with 1 place circuit of power supply, and loudspeaker BL does not work.
The course of work:
1, when human body signal is not detected in pyroelectric sensor RS, triode Q1 conducting, electromagnetic relay KA1 obtains electric, cuts
Cutting plate and 1 place circuit of power supply disconnect, loudspeaker BL work；
2, pyroelectric sensor RS detects that human body signal, triode Q1 are not turned on, and electromagnetic relay KA1 must not be electric, cuts
Cutting plate is still closed with 1 place circuit of power supply, and loudspeaker BL does not work.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of plate shearing machine, it is characterized in that: including
Power supply (1), provides electric energy for cutter；
Human testing unit (2), set on the front of plate shearing machine for detecting human body signal and being converted to human testing signal；
Execution unit (3) is coupled to the human testing unit (2) to receive human testing signal and believe in response to human testing
Number to switch the on-off in circuit between cutter and the power supply (1)；
The execution unit (3) includes:
Switching circuit (301) is coupled to the human testing unit (2) to receive human testing signal and output switching signal；
Execution circuit (302) is coupled to the switching circuit (301) to receive switching signal and in response to switching signal to switch
The on-off in circuit between cutter and the power supply (1)；
When human testing unit (2) detects human body signal, circuit closed between cutter and the power supply (1)；Conversely, shearing
Circuit disconnects between machine and the power supply (1).
2. a kind of plate shearing machine according to claim 1, it is characterized in that: the switching circuit (301) is triode；It is described to hold
Row circuit (302) is electromagnetic relay.
3. a kind of plate shearing machine according to claim 2, it is characterized in that: the execution unit (3) further include:
It protects circuit (303), is coupled to the both ends of the electromagnetic relay for protecting electromagnetic relay.
4. a kind of plate shearing machine according to claim 1, it is characterized in that: further include:
Indicating unit (4), the on-off in circuit where being used to indicate the power supply (1) and cutter；
Circuit disconnects where the power supply (1) and cutter, indicating unit (4) work；Conversely, the indicating unit
(4) it does not work.
5. a kind of plate shearing machine according to claim 4, it is characterized in that: the indicating unit (4) is sound instruction.
6. a kind of plate shearing machine according to claim 4, it is characterized in that: further include:
It eliminates unit (5), is coupled to the indicating unit (4) for eliminating the indicative function of the indicating unit (4).
7. a kind of plate shearing machine according to claim 4, it is characterized in that: further including being coupled to the power supply (1) and cutter
Place circuit and the switch unit (6) that indicating unit (4) control is realized in response to the on-off in the circuit.
8. a kind of plate shearing machine according to claim 7, it is characterized in that: the switch unit is to be coupled to the power supply (1)
With the electromagnetic relay in circuit where cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821556543.1U CN208991847U (en) | 2018-09-21 | 2018-09-21 | A kind of plate shearing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821556543.1U CN208991847U (en) | 2018-09-21 | 2018-09-21 | A kind of plate shearing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208991847U true CN208991847U (en) | 2019-06-18 |
Family
ID=66801643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821556543.1U Active CN208991847U (en) | 2018-09-21 | 2018-09-21 | A kind of plate shearing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208991847U (en) |
-
2018
- 2018-09-21 CN CN201821556543.1U patent/CN208991847U/en active Active
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