CN109277471A - A kind of plate precise positioning identification device - Google Patents
A kind of plate precise positioning identification device Download PDFInfo
- Publication number
- CN109277471A CN109277471A CN201710588258.1A CN201710588258A CN109277471A CN 109277471 A CN109277471 A CN 109277471A CN 201710588258 A CN201710588258 A CN 201710588258A CN 109277471 A CN109277471 A CN 109277471A
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- CN
- China
- Prior art keywords
- plate
- resistance
- power supply
- voltage comparator
- detection module
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
A kind of plate precise positioning identification device.It is related to the improvement to plate automatic positioning equipment.It is a kind of device that can directly know positioning result, ensure plate accurate positioning.Device is set on workbench, positioning pin including a pair of of clamp and on workbench, a pair of of clamp is driven by straight line driving mechanism, positioning pin is equipped with pressure sensor, is respectively equipped with button switch on a pair of of clamp, device further includes detection module, detection module connects+24V power supply and -24V power supply respectively, detection module is equipped with ground terminal, and detection circuit and identification circuit are equipped in detection module, and detection circuit includes voltage comparator, two inputs and gate resistor R1, resistance R2 and electromagnetic coil.The present invention can ensure that staff conveniently confirms whether plate is accurately positioned, and easy to use and structure is simple.And identification circuit is separately designed with detection circuit, plate itself is not charged, avoids that electric shock industrial accident occurs, guarantees personal safety.
Description
Technical field
The present invention relates to plate automatic positioning equipments, especially the improvement to plate automatic positioning equipment.
Background technique
The plate processing machineries such as bending machine, press machine are common processing equipments during sheet fabrication, with automation
Degree is higher and higher, and more and more bending machines, press machine realize automatic charging, and it is accurately fixed to usually require in automatic charging
Position, general way is to fix a positioning pin on the table, and plate is moved at positioning pin by straight line driving mechanism
Realize precise positioning.Artificial observation is needed after the completion of positioning, it is determined whether positioning is completed, and operating process is cumbersome and by manual confirmation
It can not find nuance therein, influence the levels of precision of sheet fabrication, give up work waste material, and processing efficiency is low.
State Intellectual Property Office 2015-12-23 discloses an application for a patent for invention (CN in view of the above problems
105173681 A, plate positioning device and sheet material positioning method) it is open fixed including bottom plate, the matrix being installed on the bottom plate
Hyte part, the pushing component being installed on the bottom plate are installed on scroll positioning component on the bottom plate, described matrix positioning group
Part has a prelocalization plate for positioning plate, the pushing component have for push the plate and for it is described preceding fixed
Position plate clamps the rear position plate of the plate together, and the scroll positioning part includes the fixing piece for being installed on the bottom plate, sliding
The main body that is installed on the fixing piece, the baffle for being installed on the fixing piece, the idler wheel being installed in the main body and peace
Loaded on the spring between the baffle and the main body, the spring pushes the main body that the idler wheel is enabled to come close to or in contact with institute
State prelocalization plate.It is designed in this way, the degree of multiple sheet deformations is different with deformed structure, can also plate be made to reach sprocket bit
It sets and is accurately positioned.It is substantially positioned using machinery, there are still certain defects, positioning to complete for discovery in use
After can not directly be confirmed, need manual measurement be confirmed whether realizing and be accurately positioned, it is strong to allow for hand labor in this way
Degree is high, and even if plate has subtle position difference that can not learn by manual confirmation, affects the processing of subsequent plate
Precision.
Summary of the invention
The present invention is in view of the above problems, positioning result can directly be known, ensure plate accurate positioning by providing one kind
Plate precise positioning identification device.
The technical scheme is that plate precise positioning identification device, it is set on workbench, including a pair of of clamp and sets
In the positioning pin on workbench, a pair of clamp is driven by straight line driving mechanism, and the positioning pin is equipped with pressure sensor,
It is respectively equipped with button switch on a pair of clamp,
The plate precise positioning identification device further includes detection module, and the detection module connects+24V power supply and -24V electricity respectively
Source, the detection module are equipped with ground terminal；
Be equipped with detection circuit and identification circuit in the detection module, the detection circuit include voltage comparator, two inputs with
Gate resistor R1, resistance R2 and electromagnetic coil；
+ 24V the power supply, resistance R1 and resistance R2 connect ground terminal after being sequentially connected in series, the high level of the voltage comparator is defeated
Enter end to be connected between resistance R1 and resistance R2；
The non-inverting input terminal of the voltage comparator connects pressure sensor, the pressure sensor and the voltage comparator it
Between be equipped with transfer resistance R；
The low-level input of the voltage comparator and the inverting input terminal of the voltage comparator are separately connected ground terminal；
One of input terminal of output end connection two input and door of the voltage comparator；
A pair of button switch series connection is followed by another input terminal of two inputs and door, and the button switch is connected to resistance R1
Between resistance R2；
Two input and the output of door are grounded after terminating electromagnetic coil.
The identification circuit includes normally opened contact and indicator light, and the normally opened contact is associated with the electromagnetic coil, described
One termination+24V power supply of indicator light, another termination -24V power supply of the indicator light, the indicator light and the+24V power supply it
Between be equipped with normally opened contact.
One current-limiting resistance R0 of the electromagnetic coil series connection.
Uniformly distributed several semicircular protrusions on the workbench.
For the present invention when carrying out plate positioning, clamp clamps plate first, and the button switch being set on clamp at this time also can
It is connected since pressure acts on, by the 5V voltage input divided via resistance R1 and resistance R2 to two inputs and door, for high electricity
Flat input.
The pressure sensor being set on positioning pin after in place detects pressure output, so that pressure sensor detects pressure
Force signal is converted to the current signal of 4 ~ 20mA, then believes via transfer resistance R(resistance value for the 250 Ω) voltage for being converted to 1 ~ 5V
Number, plate comes into full contact with positioning pin after the completion of positioning, and pressure sensor output at this time should be maximum value 5V, is given to voltage ratio
Compared with the non-inverting input terminal of device, compare through comparator, the voltage of output high level input terminal is 5V, the high level of comparator output
It is input to two inputs and door, two inputs at this time and two inputs of door are high level, and the output with door is also high level (5V),
Electromagnetic coil obtains electric so that identification circuit is connected, so as to ensure that staff can conveniently confirm whether plate is accurate
Positioning, easy to use and structure are simple.And identification circuit is separately designed with detection circuit, plate itself is not charged, avoids occurring
Electric shock industrial accident, guarantees personal safety.
When the plate that do not rain any in clamp and positioning pin contacts, identification circuit cannot be formed into a loop, staff
Plate can be concluded accordingly and no-fix is completed.
When a clamp any in a pair of of clamp does not clamp firm, the button switch on the clamp is disconnected, thus two
Input does not have input signal with one of input terminal in door.And another input is high level, that is to say, that two input and door
It will not export, coil losing electricity, so that identification circuit disconnects, indicate that plate does not position in place at this time, that is, indicate to need to adjust
Whole plate discharge position checks coupling part.
When a pair of of clamp clamps but when positioning pin does not contact with plate or contacts insecure, pressure sensor
There is no output signal or output signal voltage low, it is unstable (height when low when level) so as to cause voltage comparator output signal,
It results in two inputs and door to export so uncertain, causes electromagnetic coil to be powered sometimes and power off sometimes, so that identification circuit
Middle indicator light is in flashing state, at this time it is determined that being since plate is no and positions pin contacts or contact does not cause closely
, that is, manual adjustment plate position is needed to be connected until identification circuit, the indicator light is always on.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention,
Fig. 2 is the top view of Fig. 1,
Fig. 3 is detection module schematic diagram of the present invention,
Fig. 4 is detection module circuit diagram of the present invention；
1 is workbench in figure, and 2 be clamp, and 3 be positioning pin 4 be detection module, and 41 be+24V power supply, and 42 be -24V power supply, and 43 are
Ground terminal, 44 be detection circuit, and 441 be voltage comparator, and 442 be two inputs and door, and 443 be electromagnetic coil, and 45 be identification electricity
Road, 451 be normally opened contact, and 452 be indicator light, and 5 be plate.
Specific embodiment
The present invention is as shown in Figs 1-4, plate precise positioning identification device, is set on workbench 1, including 2 He of a pair of of clamp
Positioning pin 3 on workbench, by straight line driving mechanism driving, (pneumatic, hydraulic-driven passes through gear to a pair of clamp 2
Rack-driving), the positioning pin 3 is equipped with pressure sensor, is respectively equipped with button switch 21 on a pair of clamp 2, described
Plate precise positioning identification device further includes detection module 4, and the detection module 4 connects+24V power supply 41 and -24V power supply respectively
42, the detection module is equipped with ground terminal 43；Detection circuit 44 and identification circuit 45, the inspection are equipped in the detection module
Slowdown monitoring circuit 44 includes the input of voltage comparator 441, two and 442 resistance R1 of door, resistance R2 and electromagnetic coil 443；+ 24V the electricity
Source 41, resistance R1 and resistance R2 connect ground terminal 43 after being sequentially connected in series, the high level input terminal of the voltage comparator 441 connects
It connects between resistance R1 and resistance R2；The non-inverting input terminal of the voltage comparator connects pressure sensor, the pressure sensing
Transfer resistance R is equipped between device and the voltage comparator；The low-level input of the voltage comparator and voltage ratio
Inverting input terminal compared with device is separately connected ground terminal；The output end connection two of the voltage comparator inputs one of them with door
Input terminal；A pair of button switch series connection is followed by another input terminal of two inputs and door, and the button switch is connected to electricity
It hinders between R1 and resistance R2；Two input and the output of door are grounded after terminating electromagnetic coil.
When carrying out plate positioning, clamp clamps plate 5 first, and the button switch being set on clamp at this time is also due to pressure
Power effect is connected, and by the 5V voltage input divided via resistance R1 and resistance R2 to two inputs and door, is inputted for high level.
The pressure sensor being set on positioning pin after in place detects pressure output, so that pressure sensor detects pressure
Force signal is converted to the current signal of 4 ~ 20mA, then believes via transfer resistance R(resistance value for the 250 Ω) voltage for being converted to 1 ~ 5V
Number, plate comes into full contact with positioning pin after the completion of positioning, and pressure sensor output at this time should be maximum value 5V, is given to voltage ratio
Compared with the non-inverting input terminal of device, compare through comparator, the voltage of output high level input terminal is 5V, the high level of comparator output
It is input to two inputs and door, two inputs at this time and two inputs of door are high level, and the output with door is also high level (5V),
Electromagnetic coil obtains electric so that identification circuit is connected, so as to ensure that staff can conveniently confirm whether plate is accurate
Positioning, easy to use and structure are simple.And identification circuit is separately designed with detection circuit, plate itself is not charged, avoids occurring
Electric shock industrial accident, guarantees personal safety.
When the plate that do not rain any in clamp and positioning pin contacts, identification circuit cannot be formed into a loop, staff
Plate can be concluded accordingly and no-fix is completed.
When a clamp any in a pair of of clamp does not clamp firm, the button switch on the clamp is disconnected, thus two
Input does not have input signal with one of input terminal in door.And another input is high level, that is to say, that two input and door
It will not export, coil losing electricity, so that identification circuit disconnects, indicate that plate does not position in place at this time, that is, indicate to need to adjust
Whole plate discharge position checks coupling part.
When a pair of of clamp clamps but when positioning pin does not contact with plate or contacts insecure, pressure sensor
There is no output signal or output signal voltage low, it is unstable (height when low when level) so as to cause voltage comparator output signal,
It results in two inputs and door to export so uncertain, causes electromagnetic coil to be powered sometimes and power off sometimes, so that identification circuit
Middle indicator light is in flashing state, at this time it is determined that being since plate is no and positions pin contacts or contact does not cause closely
, that is, manual adjustment plate position is needed to be connected until identification circuit, the indicator light is always on.
The identification circuit 45 includes normally opened contact 451 and indicator light 452, and the normally opened contact and the electromagnetic coil close
Connection, the one termination+24V power supply of indicator light, another termination -24V power supply of the indicator light, the indicator light and the+24V
Normally opened contact is equipped between power supply.When electromagnetic coil obtains it is electric when normally opened contact closure, identification circuit forming circuit, indicator light is bright,
Confirm that plate positioning is completed convenient for staff, when coil must not be electric, identification circuit circuit is disconnected, and indicator light extinguishes, work
Personnel are it follows that plate, so as to adjust plate in time, improves processing efficiency there is no positioning in place.
One current-limiting resistance R0 of the electromagnetic coil series connection.Since the internal resistance of electromagnetic coil is small, to avoid electromagnetic coil from sending out
Heat waste is ruined, and current-limiting resistance is concatenated on electromagnetic coil, reduces electromagnetic coil fever, and entire detection module is safely and effectively transported
Row.
Uniformly distributed several semicircular protrusions on the workbench.Reduce the friction between workbench and plate, reduces plate
The scratch on surface reduces the working strength in subsequent plate processing.
Claims (4)
1. a kind of plate precise positioning identification device is set on workbench, the positioning including a pair of of clamp and on workbench
Pin, a pair of clamp are driven by straight line driving mechanism, and the positioning pin is equipped with pressure sensor, are divided on a pair of clamp
Not She You button switch,
It is characterized in that, a kind of plate precise positioning identification device further includes detection module, the detection module connects respectively+
24V power supply and -24V power supply, the detection module are equipped with ground terminal；
Be equipped with detection circuit and identification circuit in the detection module, the detection circuit include voltage comparator, two inputs with
Gate resistor R1, resistance R2 and electromagnetic coil；
+ 24V the power supply, resistance R1 and resistance R2 connect ground terminal after being sequentially connected in series, the high level of the voltage comparator is defeated
Enter end to be connected between resistance R1 and resistance R2；
The non-inverting input terminal of the voltage comparator connects pressure sensor, the pressure sensor and the voltage comparator it
Between be equipped with transfer resistance R；
The low-level input of the voltage comparator and the inverting input terminal of the voltage comparator are separately connected ground terminal；
One of input terminal of output end connection two input and door of the voltage comparator；
A pair of button switch series connection is followed by another input terminal of two inputs and door, and the button switch is connected to resistance R1
Between resistance R2；
Two input and the output of door are grounded after terminating electromagnetic coil.
2. a kind of plate precise positioning identification device according to claim 1, which is characterized in that the identification circuit includes
Normally opened contact and indicator light, the normally opened contact are associated with the electromagnetic coil, the one termination+24V power supply of indicator light, described
Another termination -24V power supply of indicator light is equipped with normally opened contact between the indicator light and the+24V power supply.
3. a kind of plate precise positioning identification device according to claim 1 or 2, which is characterized in that the electromagnetic coil
Connect a current-limiting resistance R0.
4. a kind of plate precise positioning identification device according to claim 3, which is characterized in that uniformly distributed on the workbench
Several semicircular protrusions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710588258.1A CN109277471A (en) | 2017-07-19 | 2017-07-19 | A kind of plate precise positioning identification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710588258.1A CN109277471A (en) | 2017-07-19 | 2017-07-19 | A kind of plate precise positioning identification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109277471A true CN109277471A (en) | 2019-01-29 |
Family
ID=65184186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710588258.1A Withdrawn CN109277471A (en) | 2017-07-19 | 2017-07-19 | A kind of plate precise positioning identification device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109277471A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112317558A (en) * | 2020-09-04 | 2021-02-05 | 中国第一汽车股份有限公司 | Rapid electrical detection system and method for sheet number of stamping automatic line |
| CN113305792A (en) * | 2021-05-18 | 2021-08-27 | 湖南泉想湖智能科技有限公司 | Positioner of cell-phone membrane production usefulness |
-
2017
- 2017-07-19 CN CN201710588258.1A patent/CN109277471A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112317558A (en) * | 2020-09-04 | 2021-02-05 | 中国第一汽车股份有限公司 | Rapid electrical detection system and method for sheet number of stamping automatic line |
| CN112317558B (en) * | 2020-09-04 | 2023-01-17 | 中国第一汽车股份有限公司 | Rapid electrical detection system and method for sheet number of stamping automatic line |
| CN113305792A (en) * | 2021-05-18 | 2021-08-27 | 湖南泉想湖智能科技有限公司 | Positioner of cell-phone membrane production usefulness |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190129 |
|
| WW01 | Invention patent application withdrawn after publication |