CN108001047B - Metal block code spraying assembly line - Google Patents
Metal block code spraying assembly line Download PDFInfo
- Publication number
- CN108001047B CN108001047B CN201711478249.3A CN201711478249A CN108001047B CN 108001047 B CN108001047 B CN 108001047B CN 201711478249 A CN201711478249 A CN 201711478249A CN 108001047 B CN108001047 B CN 108001047B
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- Prior art keywords
- code spraying
- conveying
- output
- conveying device
- input
- Prior art date
- 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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- 238000005507 spraying Methods 0.000 title claims abstract description 56
- 239000002184 metal Substances 0.000 title claims abstract description 35
- 238000001914 filtration Methods 0.000 claims abstract description 14
- 230000006698 induction Effects 0.000 claims abstract description 10
- 239000003990 capacitor Substances 0.000 claims description 8
- 230000001960 triggered effect Effects 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 3
- 229910000639 Spring steel Inorganic materials 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000010355 oscillation Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000005672 electromagnetic field Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000002596 correlated effect Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000004534 enameling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
- B65G47/24—Devices influencing the relative position or the attitude of articles during transit by conveyors orientating the articles
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/02—Details
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K2005/00013—Delay, i.e. output pulse is delayed after input pulse and pulse length of output pulse is dependent on pulse length of input pulse
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Mechanical Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention provides a metal block code spraying assembly line, which comprises a conveying device, a workpiece position adjusting device, a code spraying device and an induction device, wherein the code spraying device is arranged at the rear conveying section of the conveying device, and comprises a code spraying trigger input end; the workpiece position adjusting device is arranged on one side of the conveying device to limit the conveyed metal blocks to be conveyed to the code spraying device at the same angle; the induction device comprises a clarper oscillator, a full-bridge rectifying and filtering circuit, a hysteresis comparator and an adjustable delay circuit; the output of the clarper oscillator is connected with the input of the full-bridge rectifying and filtering circuit, the output of the full-bridge rectifying and filtering circuit is connected with the input of the hysteresis comparator, the output of the hysteresis comparator is connected with the input of the adjustable delay circuit, and the output end of the adjustable delay circuit is connected with the code spraying triggering input end. The invention has the beneficial effects that: the cost is lower, and the code spraying position is convenient to adjust.
Description
Technical Field
The invention relates to the field of metal processing production, in particular to a metal block code spraying assembly line.
Background
In the metal processing process, code spraying marking is usually required to be carried out on the metal block; because the existing code spraying machine is generally used in the production line, the existing position sensor and the control unit are generally required to be used for linkage triggering in the aspect of position adjustment, the cost is high, and for different intelligent control systems, personnel training is required to be carried out for a long time, different requirements are also met on the knowledge background and the accepted education degree of new staff, and in order to solve the problems, a new code spraying production line is required to be provided.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention provides the metal block code spraying assembly line which is low in cost and convenient to adjust the code spraying position.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the metal block code spraying assembly line comprises a conveying device, a workpiece position adjusting device, a code spraying device and an induction device, wherein the code spraying device is arranged at the rear conveying section of the conveying device, and the code spraying device comprises a code spraying trigger input end; the workpiece position adjusting device is arranged on one side of the conveying device to limit the conveyed metal blocks to be conveyed to the code spraying device at the same angle; the induction device comprises a clarper oscillator, a full-bridge rectifying and filtering circuit, a hysteresis comparator and an adjustable delay circuit; the vibration inductor influencing the self-oscillation frequency in the clarpy oscillator structure is formed by winding an enamelled coil, and the wound enamelled coil is positioned at the lower side of the code spraying device so as to induce the metal block; the output of the clarper oscillator is connected with the input of the full-bridge rectifying and filtering circuit, the output of the full-bridge rectifying and filtering circuit is connected with the input of the hysteresis comparator, the output of the hysteresis comparator is connected with the input of the adjustable delay circuit, and the output end of the adjustable delay circuit is connected with the code spraying triggering input end.
When the automatic code spraying device is used, the conveying input port of the conveying device is connected with the output port of the last station, the metal blocks conveyed from the last station are usually placed in random directions, the metal blocks are orderly regulated by the workpiece position regulating device, and the code spraying device is triggered to spray codes in the same area of the metal blocks after the sensing device senses the metal blocks; under normal conditions, the clarinet oscillator in the induction device generates sine waves through self-excited oscillation, so that an oscillation inductance also has high-frequency alternating current signals and generates alternating electromagnetic fields, when a metal block approaches the code spraying device, the alternating electromagnetic fields generated by a winding coil serving as the oscillation inductance generate eddy currents and eddy current electromagnetic fields on the metal block due to electromagnetic induction, the eddy current electromagnetic fields interact with the alternating electromagnetic fields, equivalent parameters of the oscillation inductance are changed, the self-excited oscillation frequency and oscillation voltage amplitude of the clarinet oscillator are influenced, even the self-excited oscillation is stopped, a full-bridge rectifying and filtering circuit rectifies and filters signals output by the clarinet oscillator to become direct current signals, the voltage of the direct current signals is positively correlated with the self-excited oscillation frequency and the voltage amplitude of the clarinet oscillator, the direct current signals are also correlated with the distance between the metal block and the enameling coil, the direct current signals are correspondingly output level signals after being compared by a hysteresis comparator, and the code spraying device is triggered after passing through an adjustable delay circuit; the code spraying area on the metal block can be adjusted by adjusting the delay time of the adjustable delay circuit due to the determination of the transmission speed of the transmission belt.
Compared with the prior art, the invention has the following beneficial effects:
(1) the adjustment is convenient, the adjustment of the code spraying area on the metal block can be realized only by adjusting the delay of the adjustable delay circuit, and the requirements of program setting replacement and accurate positioning of the sensor are not required;
(2) the sensing device has good portability, other equipment is convenient to trigger and use, the freedom of selection of the sensing device to the installation position is large, correction setting of a plurality of parameters is not needed after installation, and only the delay parameters of the adjustable delay circuit are adjusted.
Drawings
Fig. 1 is a schematic structural diagram of a metal block code spraying pipeline in an embodiment.
Fig. 2 is a schematic structural view of the end of the toggle arm in the embodiment.
Fig. 3 is a schematic structural diagram of a back plate adjusting device in an embodiment.
Fig. 4 is a schematic block diagram of an induction device according to an embodiment.
Fig. 5 is a schematic circuit diagram of a clash oscillator in an embodiment.
Fig. 6 is a schematic block diagram of an adjustable delay circuit in an embodiment.
Detailed Description
The technical scheme of the invention is further described below with reference to the accompanying drawings and examples.
A metal block code spraying assembly line comprises a conveying device, a workpiece position adjusting device, a code spraying device and an induction device, wherein the conveying device comprises a conveying belt 1 and a base 6 as shown in fig. 1, the code spraying device 2 is arranged at the rear conveying section of the conveying belt 1, and the code spraying device 2 comprises a code spraying trigger input end; the workpiece position adjusting device is arranged on one side of the conveying device to limit the conveyed metal block 3 to be conveyed to the code spraying device 2 at the same angle; the workpiece position adjusting device comprises a fixed arm 4 and a toggle arm 5, wherein one end of the fixed arm 4 is fixed on one side of a base 6; the other end of the fixed arm 4 faces the inner side of the conveyor belt 1 and is connected with the poking arm 5, and the angle formed between the length direction of the poking arm 5 and the conveying direction of the conveying device is 30-60 degrees, so that the poking arm 5 has a better guiding effect on the conveyed metal block 3 by combining with the conveyor belt 1; as shown in fig. 1 and 2, a roller 7 is further arranged at one end of the toggle arm 5 away from the fixed arm 4, and the toggle arm 5 comprises a rubber strip or a spring steel sheet so as to avoid the toggle arm 5 damaging the surface of the metal block 3 when the conveying speed is high; the workpiece position adjusting device further comprises a backup plate 8 and a backup plate adjusting device, wherein the backup plate 8 is in a strip shape, and the length direction of the backup plate 8 is parallel to the conveying direction of the conveying device; the backup plate 8 is opposite to the poking arm 5 and arranged on the other side of the conveying device, and the randomly oriented metal blocks 3 are adjusted to be in a uniform orientation under the limit of the backup plate 8 and the poking arm 5 so as to ensure the consistency of the code spraying area; the backup plate adjusting device enables the backup plate to be adjusted perpendicular to the conveying direction of the conveying device; as shown in fig. 1 and 3, the backup plate adjusting device comprises a supporting block 10, a connecting plate 9 and an adjusting screw 11; wherein the support block 10 is fixed at one side of the conveyor base 6; one end of an adjusting screw rod 11 is rotationally connected with the side part of the supporting block 10, and a movable nut of the adjusting screw rod is fixedly connected with the connecting plate 9; the end of the adjusting screw rod 11, which is far away from the supporting block 10, is also provided with a hand wheel 12, and the adjusting screw rod 11 is rotated by the hand wheel 12 to drive the connecting plate 9 and the backup plate 8 to move. A graduated scale 13 is further arranged on the connecting plate 9, and the length direction of the graduated scale 13 is perpendicular to the conveying direction of the conveying device; correspondingly, the supporting block 10 is also provided with a scale indicating strip 14, the whole structure of the scale indicating strip 14 is -shaped, one transverse section of -shaped is fixedly connected with the supporting block 10 body, the other transverse section of -shaped is arranged above the scale 13, and after the movement of the connecting plate 9 is regulated by the hand wheel 12, the scale 13 corresponding to the position of the scale indicating strip 14 is changed, so that the reading is convenient; the backup plate adjusting device further comprises a screw rod in threaded connection with the supporting block 10, correspondingly, a groove 16 is formed in the connecting plate, the length direction of the groove 16 is perpendicular to the conveying direction of the conveying device, the screw rod is located in the area of the groove 16, and a quincuncial screw cap 15 is fixedly connected to one end of the screw rod, far away from the supporting block; as shown in fig. 4, the induction device comprises a clarper oscillator, a full-bridge rectifying and filtering circuit, a hysteresis comparator and an adjustable delay circuit; in fig. 5, an oscillating inductor L1 of the clarinet oscillator structure affecting the self-oscillation frequency is wound by an enamelled coil, and the wound enamelled coil is positioned at the lower side of the code spraying device to induce a metal block; the output of the clarper oscillator is connected with the input of the full-bridge rectifying and filtering circuit, the full-bridge rectifying and filtering circuit rectifies and filters the high-frequency alternating current signal into a direct current signal, the output of the full-bridge rectifying and filtering circuit is connected with the first input of the hysteresis comparator, the second input of the hysteresis comparator is connected with the reference voltage module to compare the size of the converted direct current signal, and the adopted hysteresis comparator has comparison tolerance and can avoid false triggering caused by shaking; the output of the hysteresis comparator is connected with the input of the adjustable delay circuit, and the output end of the adjustable delay circuit through the delay circuit is connected with the code spraying triggering input end, or is correspondingly connected with the transmission control input end of the transmission device at the same time, so that the transmission device is triggered to pause transmission at the same time, and the code spraying device is suitable for code spraying operation of part of code spraying devices under the relative static condition. As shown in fig. 6, the adjustable delay circuit includes a differential circuit, a first monostable flip-flop and a second monostable flip-flop, wherein the first monostable flip-flop and the second monostable flip-flop each include a 555 timing chip; the input of the differentiating circuit is connected with the output of the hysteresis comparator to convert the level signal into a pulse signal, the differentiating circuit comprises a differentiating capacitor C5, a differentiating resistor R5 and a diode D1, one end of the differentiating capacitor C5 is connected with the output of the hysteresis comparator, the other end of the differentiating capacitor C5 is connected to the ground through the differentiating resistor R5, the connecting end of the differentiating capacitor C5 and the differentiating resistor R5 is connected with the cathode of the diode D1, and the anode of the diode D1 is connected with the ground; the amplitude of the voltage in reverse run-out is limited to be within 0.7V through the connection of the diode D1 so as to ensure the normal operation of a subsequent circuit; the output of the differential circuit is connected with the trigger end of the first monostable trigger to trigger monostable level output to realize a time delay function, the output of the first monostable trigger is connected with the input of the second monostable trigger to trigger the second monostable trigger to realize monopulse output, and then the code spraying device is controlled to spray codes; the timing resistor of the first monostable trigger adopts a knob type adjustable resistor, so that an operator can conveniently rotate and adjust the resistance value of the timing resistor, and the corresponding relation between the resistance value interval of the adjustable resistor and the code spraying area of the metal block can be judged by combining a parameter comparison table of the table scale-resistance value-time-transmission speed-code spraying relative displacement, so that the method is very simple and can not cause misoperation in the existing intelligent control mode.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.
Claims (4)
1. The utility model provides a code assembly line is spouted to metal piece which characterized in that:
the device comprises a conveying device, a workpiece position adjusting device, a code spraying device and an induction device, wherein the code spraying device is arranged at the rear conveying section of the conveying device, and the code spraying device comprises a code spraying trigger input end; the workpiece position adjusting device is arranged on one side of the conveying device to limit the conveyed metal blocks to be conveyed to the code spraying device at the same angle; the induction device comprises a clarper oscillator, a full-bridge rectifying and filtering circuit, a hysteresis comparator and an adjustable delay circuit; the vibration inductor influencing the self-oscillation frequency in the clarpy oscillator structure is formed by winding an enamelled coil, and the wound enamelled coil is positioned at the lower side of the code spraying device so as to induce the metal block; the output of the clarper oscillator is connected with the input of the full-bridge rectifying and filtering circuit, the output of the full-bridge rectifying and filtering circuit is connected with the input of the hysteresis comparator, the output of the hysteresis comparator is connected with the input of the adjustable delay circuit, and the output end of the adjustable delay circuit is connected with the code spraying trigger input end;
the workpiece position adjusting device comprises a fixed arm and a poking arm, wherein one end of the fixed arm is fixed on one side of the conveying device; the other end of the fixed arm faces the inner side of the conveying device and is connected with the poking arm, and the angle formed between the length direction of the poking arm and the conveying direction of the conveying device is 30-60 degrees;
the workpiece position adjusting device further comprises a backup plate, wherein the backup plate is in a strip shape, and the length direction of the backup plate is parallel to the conveying direction of the conveying device; the backup plate is opposite to the toggle arm and is arranged on the other side of the conveying device;
the workpiece position adjusting device further comprises a backup plate adjusting device, so that the backup plate is perpendicular to the conveying direction of the conveying device to be adjusted;
the backup plate adjusting device comprises a supporting block, a connecting plate and an adjusting screw rod; wherein the supporting block is fixed on one side of the conveying device; one end of the adjusting screw rod is rotationally connected with the side part of the supporting block, and a movable nut of the adjusting screw rod is fixedly connected with the connecting plate; a hand wheel is arranged at one end of the adjusting screw rod, which is far away from the supporting block;
the backup plate adjusting device further comprises a screw rod in threaded connection with the supporting block, a groove is correspondingly formed in the connecting plate, the length direction of the groove is perpendicular to the conveying direction of the conveying device, the screw rod is located in the groove area, and a quincuncial screw cap is fixedly connected to one end, away from the supporting block, of the screw rod;
the adjustable delay circuit comprises a differential circuit, a first monostable trigger and a second monostable trigger, wherein the differential circuit comprises a differential capacitor, a differential resistor and a diode, one end of the differential capacitor is connected with the output of the hysteresis comparator, the other end of the differential capacitor is connected to the ground through the differential resistor, the connection end of the differential capacitor and the differential resistor is connected with the cathode of the diode, and the anode of the diode is connected with the ground; the output of the differential circuit is connected with the triggering end of the first monostable trigger, the monostable level output is triggered to realize the time delay function, the output of the first monostable trigger is connected with the input of the second monostable trigger, and the second monostable trigger outputs a single pulse and triggers the code spraying device to spray codes; the timing resistor in the first monostable trigger is a knob type adjustable resistor.
2. A metal block code-spraying assembly line as defined in claim 1, wherein:
and a roller is also arranged at one end of the toggle arm far away from the fixed arm.
3. A metal block code-spraying assembly line as defined in claim 1, wherein:
the toggle arm comprises a rubber strip or a spring steel sheet.
4. A metal block code-spraying assembly line as defined in claim 3, wherein:
a graduated scale is further arranged on the connecting plate, and the length direction of the graduated scale is perpendicular to the conveying direction of the conveying device; correspondingly, the supporting block is also provided with a scale indication strip, the whole structure of the scale indication strip is -shaped, one transverse section of -shaped is fixedly connected with the supporting block body, and the other transverse section of -shaped is arranged above the scale.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478249.3A CN108001047B (en) | 2017-12-29 | 2017-12-29 | Metal block code spraying assembly line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711478249.3A CN108001047B (en) | 2017-12-29 | 2017-12-29 | Metal block code spraying assembly line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108001047A CN108001047A (en) | 2018-05-08 |
| CN108001047B true CN108001047B (en) | 2023-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711478249.3A Active CN108001047B (en) | 2017-12-29 | 2017-12-29 | Metal block code spraying assembly line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108001047B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108001047A (en) | 2018-05-08 |
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