CN103803270A - Automatic collection device for unqualified electricity meters - Google Patents
Automatic collection device for unqualified electricity meters Download PDFInfo
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- CN103803270A CN103803270A CN201410055774.4A CN201410055774A CN103803270A CN 103803270 A CN103803270 A CN 103803270A CN 201410055774 A CN201410055774 A CN 201410055774A CN 103803270 A CN103803270 A CN 103803270A
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- ammeter
- nonconformity
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- gliding groove
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Abstract
The invention belongs to the technical field of automatic recovery equipment and relates to an automatic collection device for unqualified electricity meters. Transverse rods of a support and vertical rods of the support are connected into the slope surface support, a slide-down groove is arranged on the vertical rods of the support, stopping edges are manufactured on the left and the right of the slide-down groove, an adjusting rod is manufactured in the middle of the slide-down groove in a run-through mode, a slide-down face is formed by the adjusting rod and the right side of the slide-down groove, and the two ends of the adjusting rod are connected with the top end and the bottom end of the slide-down groove. A rubber mat is manufactured at the top end of the slide-down groove, induction plates are arranged on the right stopping edge of the slide-down groove and the adjusting rod, an inductor is manufactured on the lower portion of each induction plate, a baffle is manufactured at the bottom end of the slide-down groove, a microswitch is manufactured at the right end of the baffle, and the microswitch is electrically connected with an electric control device. A control cabinet is manufactured below the slide-down groove, and a counter, a switch, a power supply and the electric control device are integrally installed in the control cabinet. The automatic collection device for unqualified electricity meters is simple in structure, reliable in principle, easy and convenient to operate, high in automation degree and production efficiency, low in production cost, wide in application range and environmentally friendly.
Description
Technical field:
The invention belongs to automatic recycling equipment technical field, relate to a kind of nonconformity ammeter automatic collecting device, can in flow production line after testing and inferior-quality ammeter defective products carries out automatically collecting depositing, realize counting simultaneously and report to the police.
Background technology:
Ammeter is the instrument for measuring consumption of current, Utilities Electric Co. can carry out electricity charge calculating according to the shown number of degrees of ammeter, therefore the accurate operation of ammeter is all most important to life and productive power, for the every ammeter that guarantees to put goods on the market can be accurate, safe and reliable operation, every ammeter must be through strict check before dispatching from the factory, and only has qualified ammeter packaged sale to come into the market.In existing ammeter flow production line, collect and deposit through the general mode that adopts artificial monolithic to take of ammeter of disqualified upon inspection, need staff constantly to keep on conveyor line side and carry out operation, this has increased the weight of hand labor intensity greatly, does not also meet the requirement of automation production flow line; The disclosed a kind of automatic collecting device of Chinese patent 201220089917X, is applicable to collect biological grade of underwater hull seashells and removes thing; The disclosed a kind of waste automatic collecting device of Chinese patent 2012101023251, has solved use inconvenience and the poorly sealed problem of conventional garbage gathering-device; The automatic collecting device of Chinese patent 2012202971374 disclosed a kind of zippered bags, the unified placement of zippered bag can being torn; Above-mentioned automatic collecting device all can not be applicable to the automatic collection of ammeter, at present also there are no using motorisation unit to carry out the report that nonconformity ammeter is collected automatically, more there are no the prior art of collecting warning device about nonconformity ammeter.Therefore seeking design provides a kind of nonconformity ammeter automatic collecting device to deposit to replace manpower to collect, and realizes automation Detroit automation, enhances productivity, and saves man power and material, has good economic benefit and practical value.
Summary of the invention:
The object of the invention is to overcome the shortcoming that prior art exists, seek design a kind of nonconformity ammeter automatic collecting device is provided, carry out polylith counting, automatically collect and deposit and report to the police detecting rear inferior-quality ammeter defective products, to reduce labour intensity, to reduce productive costs.
To achieve these goals, the gathering-device agent structure the present invention relates to comprises rack cross-bar, rack vertical rod, rib, rubber cushion, tablet, inductor, gliding groove, micro-switch, baffle plate, control box, counting machine, switch, power supply, adjust bar, annunciator, electric control device and glide slope, four rack cross-bars and four rack vertical rods connect into has domatic square frame-shaped structure stand, gliding groove is fixedly installed on rack vertical rod and forms with horizontal plane angle is the gradient of 25-45 °, is convenient to nonconformity ammeter and glides; The right and left of gliding groove is fixedly shaped with respectively the highly rib for 2-4cm, the middle through adjust bar isometric with gliding groove that be shaped with, and the right of adjust bar and gliding groove forms glide slope, and the two ends of adjust bar are connected with top and the bottom of gliding groove by screw; It is the rubber cushion that 10-15cm, width are 8-12cm that the top adhesive type of gliding groove is shaped with length, deceleration and antiskid function while realizing the downslide of nonconformity ammeter; The tablet that two length is 10cm is fixedly installed on the rib and adjust bar on gliding groove the right, and the position correspondence that is parallel to each other, the below nested type of one of them tablet is shaped with inductor, glides through out-of-date output electrical signals to electric control device when inductor senses nonconformity ammeter; The bottom of gliding groove is fixedly shaped with baffle plate, the embedded micro-switch that is shaped with of right-hand member of baffle plate, micro-switch and electric control device electric connection; In the middle of gliding groove, below is fixedly equipped with control box, and in control box, integrated form is equipped with counting machine, switch, power supply and electric control device, and the read-out of counting machine and the button of switch are embedded in the surface of control box, the counting machine electric connection in annunciator and control box.
Between the rack cross-bar the present invention relates to and rack vertical rod, adopt pipe clamp or wire clamp to be connected, maintenance for convenience detach; Rubber cushion is electrostatic prevention rubber cushion or rubber pad, can play deceleration, damping and remove electrostatic interaction; Gliding groove length is 80-150cm, and the piece number that can deposit nonconformity ammeter is 6-10 piece; Control box selects plastic flagstone or acrylic board to make; Counting machine can set in advance maximum count value according to the length of glide slope, when inductor senses a nonconformity ammeter, transmission of signal is to electric control device, the electric control device control counter counting that rises in value, sends a signal to annunciator and reports to the police when counting machine reaches predefined maximum count value; Power supply is direct current 24V Switching Power Supply, makes the automatically controlled part of whole device use low-voltage DC supply, to improve the safety of whole circuit; Adjust bar can move to left or move to right to adjust the width of glide slope according to the size dimension of detected ammeter, and electric control device is relay, can be by electric signal transmission to counting machine.
The annunciator the present invention relates to is combined aural and visual alarm, its agent structure comprises pole, rattler, red light and green light, pole adopts pipe clamp or wire clamp to be connected with rack cross-bar, rattler is electrically connected with red light, red light and green light respectively with control box in electric control device electric connection, in the time piling nonconformity ammeter on glide slope, after counting machine reaches the maximum count value setting in advance, transmission of signal is to the red light in annunciator and rattler, and when blinking red lamp is reported to the police, rattler sends alert song; Staff hears after early warning the nonconformity ammeter on glide slope is taken out according to order block-by-block from top to bottom, the micro-switch being depressed while taking last piece nonconformity table away lifts, its inner contact is moved by the numerical value auto zero of electric control device control counter, and after making zero, open while collecting warning device and can restart counting next time.
The present invention compared with prior art, is docked with existing flow production line by gliding groove, adjusts adjust bar and makes to collect the nonconformity ammeter that warning device is applicable to different size specifications and collect; Utilize inductor to coordinate and count with counting machine, after glide slope reaches maximum collection capacity, counting machine transmission of signal sends alert ring to annunciator; Staff takes out to collect and deposits after polylith nonconformity ammeter, and shake-up micro-switch control counter makes zero and re-starts counting collection; When saving manpower, can realize and automatically deposit polylith nonconformity ammeter, its apparatus structure is simple, and principle is reliable, easy and simple to handle, and automatization level is high, and production efficiency is high, and productive costs is low, applied widely, environmental friendliness.
Accompanying drawing explanation:
Fig. 1 is agent structure principle schematic of the present invention.
Fig. 2 is the hardware configuration structure schematic block diagram of circuit control part of the present invention.
The specific embodiment:
Below in conjunction with accompanying drawing and by embodiment, the present invention is made to further description.
Embodiment:
The agent structure of the gathering-device that the present embodiment relates to comprises rack cross-bar 1, rack vertical rod 2, rib 3, rubber cushion 4, tablet 5, inductor 6, gliding groove 7, micro-switch 8, baffle plate 9, control box 10, counting machine 11, switch 12, power supply 13, adjust bar 14, annunciator 15, electric control device 20 and glide slope 21, four rack cross-bars 1 and four rack vertical rods 2 connect into has domatic square frame-shaped structure stand, gliding groove 7 is fixedly installed on rack vertical rod 2 and forms with horizontal plane angle is the gradient of 25-45 °, is convenient to nonconformity ammeter and glides; The right and left of gliding groove 7 is fixedly shaped with respectively the highly rib 3 for 2-4cm, the middle through adjust bar 14 isometric with gliding groove 7 that be shaped with, adjust bar 14 forms glide slope 21 with the right of gliding groove 7, and the two ends of adjust bar 14 are connected with top and the bottom of gliding groove 7 by screw; It is the rubber cushion 4 that 10-15cm, width are 8-12cm that the top adhesive type of gliding groove 7 is shaped with length, deceleration and antiskid function while realizing the downslide of nonconformity ammeter; The tablet 5 that two length is 10cm is fixedly installed on the rib 3 and adjust bar 14 on gliding groove 7 the right, and the position correspondence that is parallel to each other, the below nested type of one of them tablet 5 is shaped with inductor 6, glides through out-of-date output electrical signals to electric control device 20 when inductor 6 senses nonconformity ammeter; The bottom of gliding groove 7 is fixedly shaped with baffle plate 9, the embedded micro-switch 8 that is shaped with of right-hand member of baffle plate 9, micro-switch 8 and electric control device 20 electric connections; In the middle of gliding groove 7, below is fixedly shaped with control box 10, in control box 10, integrated form is equipped with counting machine 11, switch 12, power supply 13 and electric control device 20, the button of the read-out of counting machine 11 and switch 12 is embedded in the surface of control box 10, counting machine 11 electric connections in annunciator 15 and control box 10.
Between the rack cross-bar 1 that the present embodiment relates to and rack vertical rod 2, adopt pipe clamp or wire clamp to be connected, maintenance for convenience detach; Rubber cushion 4 is electrostatic prevention rubber cushion or rubber pad, can play deceleration, damping and remove electrostatic interaction; Gliding groove 7 length are 80-150cm, and the piece number that can deposit nonconformity ammeter is 6-10 piece; Control box 10 selects plastic flagstone or acrylic board to make; Counting machine 11 can set in advance maximum count value according to the length of glide slope 21, when inductor 6 senses a nonconformity ammeter, transmission of signal is to electric control device 20, electric control device 20 control counters 11 counting that rises in value, sends a signal to annunciator 15 and reports to the police when counting machine 11 predefined maximum count value; Power supply 12 is direct current 24V Switching Power Supply, makes the automatically controlled part of whole device use low-voltage DC supply, to improve the safety of whole circuit; Adjust bar 14 can move to left or move to right to adjust the width of glide slope 21 according to the size dimension of detected ammeter, and electric control device 20 is relay, can be by electric signal transmission to counting machine 11.
The annunciator 15 that the present embodiment relates to is combined aural and visual alarm, its agent structure comprises pole 16, rattler 17, red light 18 and green light 19, pole 6 adopts pipe clamp or wire clamp to be connected with rack cross-bar 1, rattler 17 is electrically connected with red light 18, red light 18 and green light 19 respectively with control box 10 in electric control device 20 electric connections, in the time piling nonconformity ammeter on glide slope 21, after counting machine 11 reaches the maximum count value setting in advance, transmission of signal is to red light 18 and rattler 17 in annunciator 15, and when red light 18 flickers are reported to the police, rattler 17 sends alert song; Staff hears after early warning the nonconformity ammeter on glide slope 21 is taken out according to order block-by-block from top to bottom, the micro-switch 8 being depressed while taking last piece nonconformity table away lifts, its inner contact is moved by the numerical value auto zero of electric control device 20 control counters 11, and after making zero, open while collecting warning device and can restart counting next time.
The present embodiment is realized automatic the collection with the concrete grammar of reporting to the police of nonconformity ammeter and is comprised following processing step:
(1) dock with ammeter check conveyor line on gliding groove 7 tops of the gathering-device after assembling is completed, the height of adjusting pole montant 2 makes glide slope 21, and conveyor line is seamless docks with check, according to the size specification of ammeter on conveyor line, adjust the width of glide slope 21 by adjust bar 14, then switch on power 13 and open switch 12, the numerical value of counting machine 11 is set to a numerical value in 6-10, and the now green light of annunciator 15 flicker expression gathering-device is normally worked;
(2) in the time having the ammeter of disqualified upon inspection to flow into glide slope 21 from flow production line, inductor 6 on tablet 5 by electric control device 20 transmission of signals to counting machine 11 counting that rises in value, nonconformity ammeter slides into baffle plate 9 places and touches along glide slope 21 and starts micro-switch 8 after rubber cushion 4 slows down, after this in the time having a nonconformity ammeter to slide along glide slope 21, counting machine 11 all rises in value counting once;
(3) in the time that the count value of counting machine 11 reaches predefined maximum count value, represent to have filled nonconformity ammeter on glide slope 21, this hour counter output is controlled model to red light 18 and rattler 17 in annunciator 15, and red light 18 flickers are reported to the police, and rattler 17 sends alert song simultaneously;
(4) staff hears after chimes of doom, by the nonconformity ammeter on glide slope 21 according to from top to bottom order block-by-block take out, the micro-switch 8 being depressed in the time taking last piece nonconformity table away lifts, its inner contact is moved by the count value auto zero of electric control device 20 control counters 11, making automatic collecting device restart counting collects, so move in circles, realize automatic collection the warning of nonconformity ammeter.
Claims (3)
1. a nonconformity ammeter automatic collecting device, it is characterized in that agent structure comprises rack cross-bar, rack vertical rod, rib, rubber cushion, tablet, inductor, gliding groove, micro-switch, baffle plate, control box, counting machine, switch, power supply, adjust bar, annunciator, electric control device and glide slope, four rack cross-bars and four rack vertical rods connect into has domatic square frame-shaped structure stand, gliding groove is fixedly installed on rack vertical rod and forms with horizontal plane angle is the gradient of 25-45 °, is convenient to nonconformity ammeter and glides; The right and left of gliding groove is fixedly shaped with respectively the highly rib for 2-4cm, the middle through adjust bar isometric with gliding groove that be shaped with, and the right of adjust bar and gliding groove forms glide slope, and the two ends of adjust bar are connected with top and the bottom of gliding groove by screw; It is the rubber cushion that 10-15cm, width are 8-12cm that the top adhesive type of gliding groove is shaped with length, deceleration and antiskid function while realizing the downslide of nonconformity ammeter; The tablet that two length is 10cm is fixedly installed on the rib and adjust bar on gliding groove the right, and the position correspondence that is parallel to each other, the below nested type of one of them tablet is shaped with inductor, glides through out-of-date output electrical signals to electric control device when inductor senses nonconformity ammeter; The bottom of gliding groove is fixedly shaped with baffle plate, the embedded micro-switch that is shaped with of right-hand member of baffle plate, micro-switch and electric control device electric connection; In the middle of gliding groove, below is fixedly equipped with control box, and in control box, integrated form is equipped with counting machine, switch, power supply and electric control device, and the read-out of counting machine and the button of switch are embedded in the surface of control box, the counting machine electric connection in annunciator and control box.
2. nonconformity ammeter automatic collecting device according to claim 1, is characterized in that adopting pipe clamp or wire clamp to be connected between described rack cross-bar and rack vertical rod maintenance for convenience detach; Rubber cushion is electrostatic prevention rubber cushion or rubber pad, can play deceleration, damping and remove electrostatic interaction; Gliding groove length is 80-150cm, and the piece number that can deposit nonconformity ammeter is 6-10 piece; Control box selects plastic flagstone or acrylic board to make; Counting machine can set in advance maximum count value according to the length of glide slope, when inductor senses a nonconformity ammeter, transmission of signal is to electric control device, the electric control device control counter counting that rises in value, sends a signal to annunciator and reports to the police when counting machine reaches predefined maximum count value; Power supply is 24 volts of Switching Power Supplies of direct current, makes the automatically controlled part of whole device use low-voltage DC supply, to improve the safety of whole circuit; Adjust bar can move to left or move to right to adjust the width of glide slope according to the size dimension of detected ammeter, and electric control device is relay, can be by electric signal transmission to counting machine.
3. nonconformity ammeter automatic collecting device according to claim 1 and 2, it is characterized in that described annunciator is combined aural and visual alarm, its agent structure comprises pole, rattler, red light and green light, pole adopts pipe clamp or wire clamp to be connected with rack cross-bar, rattler is electrically connected with red light, red light and green light respectively with control box in electric control device electric connection, in the time piling nonconformity ammeter on glide slope, after counting machine reaches the maximum count value setting in advance, transmission of signal is to the red light in annunciator and rattler, when blinking red lamp is reported to the police, rattler sends alert song, staff hears after early warning the nonconformity ammeter on glide slope is taken out according to order block-by-block from top to bottom, the micro-switch being depressed while taking last piece nonconformity table away lifts, its inner contact is moved by the numerical value auto zero of electric control device control counter, and after making zero, open while collecting warning device and can restart counting next time.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107539797A (en) * | 2017-08-23 | 2018-01-05 | 柳州劲胜科技有限公司 | Material frame |
CN107972933A (en) * | 2017-10-16 | 2018-05-01 | 霍邱县鑫球金属材料有限公司 | A kind of steel ball counting device |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04199305A (en) * | 1990-11-29 | 1992-07-20 | Honda Motor Co Ltd | Production control system |
CN201670527U (en) * | 2010-03-31 | 2010-12-15 | 上海真欣射频识别技术服务有限公司 | Radio frequency identification control automatic conveying device |
CN202265154U (en) * | 2011-10-08 | 2012-06-06 | 李英 | Vibration transporting device and integration automatic production system |
CN102935935A (en) * | 2011-08-16 | 2013-02-20 | 鸿富锦精密工业(深圳)有限公司 | Loading frame with turnover device |
CN203299237U (en) * | 2013-06-13 | 2013-11-20 | 深圳市银河表计股份有限公司 | New electric meter production line |
CN203359363U (en) * | 2013-01-24 | 2013-12-25 | 江苏瑞新科技股份有限公司 | Automatic unidirectional horizontal conveying system |
CN203372763U (en) * | 2013-07-17 | 2014-01-01 | 广西力源宝农林科技发展有限责任公司 | Palletizer with automatic pallet circulation recovery function |
CN203419511U (en) * | 2013-05-30 | 2014-02-05 | 北京兆信信息技术股份有限公司 | Anti-blocking removing device for intelligent control over production line conveying |
-
2014
- 2014-02-19 CN CN201410055774.4A patent/CN103803270B/en active Active
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04199305A (en) * | 1990-11-29 | 1992-07-20 | Honda Motor Co Ltd | Production control system |
CN201670527U (en) * | 2010-03-31 | 2010-12-15 | 上海真欣射频识别技术服务有限公司 | Radio frequency identification control automatic conveying device |
CN102935935A (en) * | 2011-08-16 | 2013-02-20 | 鸿富锦精密工业(深圳)有限公司 | Loading frame with turnover device |
CN202265154U (en) * | 2011-10-08 | 2012-06-06 | 李英 | Vibration transporting device and integration automatic production system |
CN203359363U (en) * | 2013-01-24 | 2013-12-25 | 江苏瑞新科技股份有限公司 | Automatic unidirectional horizontal conveying system |
CN203419511U (en) * | 2013-05-30 | 2014-02-05 | 北京兆信信息技术股份有限公司 | Anti-blocking removing device for intelligent control over production line conveying |
CN203299237U (en) * | 2013-06-13 | 2013-11-20 | 深圳市银河表计股份有限公司 | New electric meter production line |
CN203372763U (en) * | 2013-07-17 | 2014-01-01 | 广西力源宝农林科技发展有限责任公司 | Palletizer with automatic pallet circulation recovery function |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107539797A (en) * | 2017-08-23 | 2018-01-05 | 柳州劲胜科技有限公司 | Material frame |
CN107972933A (en) * | 2017-10-16 | 2018-05-01 | 霍邱县鑫球金属材料有限公司 | A kind of steel ball counting device |
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Address after: 266061 Shandong Province, Qingdao city Laoshan District Songling Road No. 169 room 413 Patentee after: QINGDAO ITECHENE TECHNOLOGIES CO., LTD. Address before: 266061 Shandong city of Qingdao province Laoshan Songling District of Qingdao City Road 169, room 413 Patentee before: Qingdao Qiancheng Electronics Co., Ltd. |