CN203798328U - Press machine die height indicator - Google Patents
Press machine die height indicator Download PDFInfo
- Publication number
- CN203798328U CN203798328U CN201320883138.1U CN201320883138U CN203798328U CN 203798328 U CN203798328 U CN 203798328U CN 201320883138 U CN201320883138 U CN 201320883138U CN 203798328 U CN203798328 U CN 203798328U
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- Prior art keywords
- chip microcomputer
- die
- die height
- display driver
- circuit
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- 229910052710 silicon Inorganic materials 0.000 claims abstract description 16
- 239000010703 silicon Substances 0.000 claims abstract description 16
- 239000006096 absorbing agent Substances 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000000737 periodic effect Effects 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 12
- 238000004891 communication Methods 0.000 abstract description 2
- 230000003287 optical effect Effects 0.000 abstract 2
- 238000003825 pressing Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model relates to a press machine die height indicator, belongs to the press machine measuring technical field, and the press machine die height indicator is mainly characterized by comprising a MCU microcontroller as a core, an angle sensor, a driving interface circuit, a display/button circuit, and a power supply circuit; a machinery shaft is provided with the angle sensor; the microcontroller reads a signal of the angle sensor; a rotation turn number of the machinery shaft and a present die height value can be calculated in real time under support of relative software; an IO port and a display driving IC of the button/display module are employed for serial communication, button value is read, and LED display can be refreshed; the button can be pushed to enter a parameter setting menu so as to set an upper and a lower limit of the die height, a die slide piece gear tooth distance ratio, and a die height display value increasing reducing direction; when the die height surpasses the set upper value, the one-chip microcomputer IO port drives an optical coupler to control a corresponding silicon controlled rectifier to disconnect, so the die slide piece cannot be adjusted upwards; when the die height is smaller than the set lower value, the one-chip microcomputer IO port drives an optical coupler to control a corresponding silicon controlled rectifier to disconnect, and the die slide piece cannot be adjusted downwards.
Description
Technical field
The utility model relates to a kind of die of press ammeter, for measuring and showing die of press height, realizes the fine adjustment of mold height, belongs to pressing machine field of measuring technique.
Background technology
Current normally used die of press high measure instrument is by mechanical axis, gear, and approach switch forms.In the time that mechanical axis is connected with press ram, the rotation of the mobile meeting driving mechanical axle of press ram, and then the rotation of driving mechanical gear, numeral on mechanical gear shows current mold height value in real time, in the time that mold height reaches the higher limit of setting, corresponding approach switch action, press ram can not move up again; In the time that mold height reaches the lower limit of setting, corresponding approach switch action, press ram can not move down again.If but pressing machine model change, the upper lower limit value of mold height changes, and mould slide block gear tooth changes apart from ratio, and die height indicator customized production again, can not be general.If the height that the true altitude of die of press and die height indicator show is different, die height indicator must be pulled down from press ram, after adjustment is consistent, is loaded on, and this has increased the workload of mold height calibration.
Utility model content
The purpose of this utility model is to provide a kind of die of press ammeter, the bound of mold height can be set within the specific limits arbitrarily by the utility model, mould slide block gear tooth is apart from ratio, and realize any calibration within the scope of certain altitude, solve the problem that existing machinery formula die height indicator can not be general on different model pressing machine, mold height value calibration workload is large.
The purpose of this utility model is achieved through the following technical solutions, a kind of die of press ammeter, it is characterized in that, described indicator, taking single-chip microcomputer as logic control device, comprises angular transducer, drives interface circuit, demonstration/key circuit and power circuit, power circuit provides 5V working power, the periodic signal of angular transducer output is connected to the IO input end of single-chip microcomputer by resistance, the IO output terminal of single-chip microcomputer connects the photoelectrical coupler driving in interface circuit through current-limiting resistance, photoelectrical coupler drives external electromagnetic valve or relay by controllable silicon, the IO mouth of single-chip microcomputer is connected with the sheet of a two display driver chips choosing mouthful CS, single-chip microcomputer refreshes two display driver IC in turn, the clock mouth CLK of another two the IO mouths of single-chip microcomputer and display driver chip, data port DIO is connected respectively, when single-chip I/O mouth output 1M clock, output LED coded data.
Described single-chip microcomputer adopts AT89CXX or PIC12C6XX.
Described driving interface circuit is made up of photoelectrical coupler, resistance, rc absorber and controllable silicon; Photoelectrical coupler adopts 6N138, and the output terminal of photoelectrical coupler is connected with controllable silicon through resistance, and one of controllable silicon two end nodes parallel connection is by resistance R 9, capacitor C 8 rc absorber in series.
Described demonstration/key circuit is made up of display driver IC, common anode utmost point LED, and display driver IC adopts CH452.
The utility model is by setting angle sensor on mechanical axis, the signal of single-chip microcomputer reading angular sensor, the number of turns of real-time computer tool axle rotation, current mold height value, by IO mouth and button, the display driver IC of display module realizes serial communication, read key value, refreshing LED shows, push button and enter parameter and menu is set can arranges the bound of mold height, mould slide block gear tooth is apart from ratio, mold height displayed value increases the direction reducing, in the time that mold height exceedes the higher limit of setting, single-chip I/O mouth drives controllable silicon corresponding to optocoupler control to disconnect, mould slide block can not upwards regulate, in the time that mold height is less than the lower limit of setting, single-chip I/O mouth drives controllable silicon corresponding to optocoupler control to disconnect, and mould slide block can not regulate downwards.
Brief description of the drawings
Fig. 1 is the utility model circuit block diagram;
Fig. 2 is single-chip microcomputer basic circuit and the angle sensor circuit in the utility model;
Fig. 3 is the driving interface circuit in the utility model;
Fig. 4 is demonstration/key circuit in the utility model.
Embodiment
Further illustrate in conjunction with the accompanying drawings and embodiments the utility model, as shown in Figure 1, the utility model, by 24V DC-voltage supply, is transformed into 5V DC voltage to microcontroller through DC-DC module, and angular transducer drives interface, the power supply of demonstration/key circuit.As shown in Figure 2, the periodic signal of angular transducer output is connected to the IO input end of single-chip microcomputer by a resistance R 1 or R2.Single-chip microcomputer adopts AT89CXX or PIC12C6XX etc.As shown in Figure 3, the IO output terminal of single-chip microcomputer connects the photoelectrical coupler driving in interface circuit through a current-limiting resistance R6, drive interface circuit to be formed by photoelectrical coupler, resistance, rc absorber and controllable silicon, photoelectrical coupler adopts 6N138, and optocoupler coupling mechanism drives external electromagnetic valve or relay by controllable silicon G.As shown in Figure 4, the IO mouth of single-chip microcomputer is connected with the sheet of a two display driver chips choosing mouthful CS, and display driver IC adopts CH452.Single-chip microcomputer refreshes two display driver IC in turn, and another two the IO mouths of single-chip microcomputer are connected respectively with clock mouth CLK, the data port DIO of display driver chip, when single-chip I/O mouth output 1M clock, and output LED coded data.Single-chip microcomputer is the logic control device of system, the signal of reading angular sensor, and the calculating number of turns, decision height bound, controls and drives interface to connect disconnecting external switch, controls display driver/key scan chip and realizes LED demonstration and button judgement.
Fig. 2 is the interface circuit of angular transducer and single-chip microcomputer, and single-chip microcomputer supply voltage is 5V DC voltage, adopts inner integrated crystal oscillator and electrify restoration circuit; Angular transducer supply voltage is also 5V, by having or not of signal in detection mechanical axis rotary course, produces the synchronous voltage pulse signal changing, and single-chip microcomputer is counted and calculated this pulse voltage signal, and then converts the angle of mechanical axis rotation to.
Fig. 3 is the driving interface circuit of the outside forceful electric power switch of Single-chip Controlling, and single-chip I/O mouth output low and high level, controls the break-make of photoelectrical coupler output, and then control silicon controlled break-make, realizes the break-make of outside forceful electric power switch.Controllable silicon two ends 1, a 2 node rc absorber being in series by resistance R 9, capacitor C 8 in parallel, reliably drives inductive load.
Fig. 4 is display driver circuit and key scanning circuit.Adopt special LED drive IC, operating voltage is 5V DC voltage, and the SG1-10 of drive IC connects the common anode end of LED, GR1-8 meets the negative pole of LED, CS, CLK, DIO is the control IO mouth of single-chip microcomputer access drive IC, and first LED drive IC is simultaneously with key scan function.Single-chip microcomputer can read key value by controlling mouth, writes the numerical value that needs demonstration.
In the utility model, single-chip microcomputer is realized logical order angular transition by logical order, and the number of turns is calculated, and controls IO output, refreshes demonstration, scanning button, parameter setting function.Parameter setting function module can arrange the upper lower limit value of mold height within the specific limits arbitrarily, and mould slide block gear tooth is apart from ratio, and mold height displayed value increases the direction value reducing, and realizes any calibration within the scope of certain altitude.
Claims (4)
1. a die of press ammeter, is characterized in that, described indicator, taking single-chip microcomputer as logic control device, comprises angular transducer, drives interface circuit, demonstration/key circuit and power circuit, power circuit provides 5V working power, the periodic signal of angular transducer output is connected to the IO input end of single-chip microcomputer by resistance, the IO output terminal of single-chip microcomputer connects the photoelectrical coupler driving in interface circuit through current-limiting resistance, photoelectrical coupler drives external electromagnetic valve or relay by controllable silicon, the IO mouth of single-chip microcomputer is connected with the sheet of a two display driver chips choosing mouthful CS, single-chip microcomputer refreshes two display driver IC in turn, the clock mouth CLK of another two the IO mouths of single-chip microcomputer and display driver chip, data port DIO is connected respectively, when single-chip I/O mouth output 1M clock, output LED coded data.
2. die of press ammeter according to claim 1, is characterized in that, described single-chip microcomputer adopts AT89CXX or PIC12C6XX.
3. die of press ammeter according to claim 1, is characterized in that, described driving interface circuit is made up of photoelectrical coupler, resistance, rc absorber and controllable silicon; Photoelectrical coupler adopts 6N138, and the output terminal of photoelectrical coupler is connected with controllable silicon through resistance, and one of controllable silicon two end nodes parallel connection is by resistance R 9, capacitor C 8 rc absorber in series.
4. die of press ammeter according to claim 1, is characterized in that, described demonstration/key circuit is made up of display driver IC, common anode utmost point LED, and display driver IC adopts CH452.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320883138.1U CN203798328U (en) | 2013-12-31 | 2013-12-31 | Press machine die height indicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320883138.1U CN203798328U (en) | 2013-12-31 | 2013-12-31 | Press machine die height indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203798328U true CN203798328U (en) | 2014-08-27 |
Family
ID=51380533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320883138.1U Expired - Fee Related CN203798328U (en) | 2013-12-31 | 2013-12-31 | Press machine die height indicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203798328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837114A (en) * | 2013-12-31 | 2014-06-04 | 扬州大祺自动化技术有限公司 | Press machine die height indicator |
-
2013
- 2013-12-31 CN CN201320883138.1U patent/CN203798328U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103837114A (en) * | 2013-12-31 | 2014-06-04 | 扬州大祺自动化技术有限公司 | Press machine die height indicator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140827 |