CN207472480U - A kind of negative pressure monitor for negative pressure sucker - Google Patents

A kind of negative pressure monitor for negative pressure sucker Download PDF

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Publication number
CN207472480U
CN207472480U CN201721683099.5U CN201721683099U CN207472480U CN 207472480 U CN207472480 U CN 207472480U CN 201721683099 U CN201721683099 U CN 201721683099U CN 207472480 U CN207472480 U CN 207472480U
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negative pressure
triode
plemum
electrodes
resistance
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CN201721683099.5U
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陈志模
袁佳盟
钱积惠
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Chengdu Six Hui Technology Co Ltd
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Chengdu Six Hui Technology Co Ltd
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Abstract

The utility model discloses a kind of negative pressure monitor for negative pressure sucker, the device body including cylindrical structure;The stepped cylinder shape slot that device body left-hand face is provided with forms plemum and negative pressure chamber;Plemum is provided with diaphragm with negative pressure chamber's connectivity part, and diaphragm is slidably matched with positive pressure chamber internal surface;The gland coordinated with it is provided at plemum approaching device ontology left-hand face;Return spring is provided in negative pressure chamber, return spring one end is fixed in negative pressure chamber, other end connection diaphragm;Return spring connect B electrodes one end with diaphragm connecting pin, and the other end of B electrodes is exposed to plemum across diaphragm;A electrodes are provided on gland with B electrode corresponding positions, A electrodes and B electrodes are all connected to control circuit, control circuit connecting luminous diode and power supply;The utility model can monitor the vacuum degree of negative pressure sucker in real time, and whether site operation personnel can accurately control Numerically controlled machine and each negative pressure sucker of haulage equipment in normal condition.

Description

A kind of negative pressure monitor for negative pressure sucker
Technical field
The utility model is related to a kind of negative pressure monitors, and in particular to a kind of negative pressure monitor for negative pressure sucker.
Background technology
Timber, furniture, glass etc. process and carry in widely used negative pressure sucker workpiece and production are carried, The work such as mobile, positioning;The suction of negative pressure sucker is directly proportional to the vacuum degree of sucker;Vacuum degree is higher, and suction is bigger, to workpiece Promotion, fixed force it is also bigger;The vacuum degree of usual negative pressure sucker allows to fluctuate in a certain range, if but vacuum degree drop to Otherwise one a certain permissible value will appear workpiece shift product report hereinafter, then corresponding numerically-controlled machine tool, handling machinery should be stopped Useless quality accident;Even there is workpiece the safety accidents such as come off, fall from carrying sucker;There is presently no be suitable for negative pressure The monitoring device of sucker, current common monitoring means is passes through vacuum to the vacuum degree of vacuum tank that multiple negative pressure suckers share Table is monitored;Vacuum tank is connect by manifold and branch pipe with the negative pressure sucker of various mechanical equipments;But this monitoring mode Middle vacuum tank is since far from processing site, operating personnel can not observe;Vacuum tank is passed over long distances with negative pressure sucker by vacuum tube Defeated, there are negative pressure loss, the size of loss is to that apart from related, can not monitor this loss;Additionally, due in scene dust, Sawdust is possible to suck vacuum pipe by negative pressure sucker, cause negative pressure sucker negative pressure be mutated, various existing monitoring means of situation without Method monitors at any time.
Utility model content
The utility model provides a kind of be arranged on negative pressure sucker and is connected with the negative pressure road of negative pressure sucker, can monitor at any time The negative pressure monitor for negative pressure sucker of negative pressure sucker negative pressure.
The technical solution adopted in the utility model is:A kind of negative pressure monitor for negative pressure sucker is tied including cylinder The device body of structure;The stepped cylinder shape slot that device body left-hand face is provided with forms plemum and negative pressure chamber;Negative pressure chamber Connect negative pressure road;Plemum is provided with diaphragm with negative pressure chamber's connectivity part, and diaphragm is slidably matched with positive pressure chamber internal surface;Plemum leans on The gland coordinated with it is provided at nearly device body left-hand face, gland can be moved left and right along positive pressure chamber internal surface;Negative pressure chamber Return spring is inside provided with, return spring one end is fixed in negative pressure chamber, other end connection diaphragm;Return spring is connect with diaphragm End connection B electrodes one end, the other end of B electrodes are exposed to plemum across diaphragm;It is provided on gland with B electrode corresponding positions A electrodes, A electrodes one end are goed deep into inside gland, and the other end is exposed to plemum;A electrodes and B electrodes are all connected to control circuit, Control circuit connecting luminous diode and power supply.
Further, the control circuit includes triode Q1, triode Q2, phase inverter N1 and phase inverter N2;Triode The collector of Q1 passes through resistance R1 connection positive poles, the emitter connection power cathode of triode Q1;The base stage of triode Q2 By resistance R2 connection positive poles, the emitter connection power cathode of triode Q2, the collector of triode Q2 is sequentially connected Capacitance C2, resistance R3 and positive pole;Capacitance C1 is connected between resistance R1 and resistance R2;The base stage of triode Q1 is connected to electricity Between appearance C2 and resistance R3;1 pin of phase inverter N1 connects positive pole by R4;3 pins of phase inverter N1 pass through resistance R5 Connect positive pole;The collector of the 4 pin connecting triode Q2 of phase inverter N1;2 pins of phase inverter N1 are connected by resistance R7 The base stage of triode Q3 is connect, while is also connected with the input terminal of phase inverter N2;The output terminal of phase inverter N2 passes through resistance R8 connections three The base stage of pole pipe Q4;The emitter of triode Q3 is sequentially connected Light-emitting diode LED 1, resistance R6 and positive pole;Triode Q3 Collector connection power cathode;The emitter of triode Q4 is sequentially connected Light-emitting diode LED 2, resistance R6 and positive pole, The collector connection power cathode of triode Q4;Triode Q1 and Q2 are NPN triode, and triode Q3 and Q4 are PNP triode; A electrodes are connected between 1 pin of phase inverter N1 and resistance R4;B electrodes are connected to 4 pins of phase inverter N1 and triode Q2 Between collector;Switch K is provided between control circuit and power supply.
Further, 1 outer surface of described device ontology is provided with lampshade 11;Light emitting diode includes Light-emitting diode LED 1 It is arranged in lampshade 11 with Light-emitting diode LED 2.
Further, it is provided with sealing ring between 2 inner septum 4 of plemum and gland 8.
Further, it is connected through a screw thread between 2 inner surface of the gland 8 and plemum.
Further, it is connected between the negative pressure chamber 3 and negative pressure road 5 by venthole.
Further, the diameter of the plemum 2 is more than the diameter of negative pressure chamber 3.
The beneficial effects of the utility model are:
(1)The utility model is arranged on the vacuum degree that can monitor negative pressure sucker on negative pressure sucker in real time, site operation personnel Numerically controlled machine and each negative pressure sucker of haulage equipment can accurately be controlled whether in normal condition;
(2)Control circuit in the utility model can be by controlling Light-emitting diode LED 1 and LED2 flashings, greatly Saved electric energy, the battery altering time can be extended;
(3)The utility model can be used for all industries for using negative pressure sucker such as timber, glass, aluminium alloy, highly practical, Its vacuum degree can be monitored at any time, go wrong and take corresponding measure in time, effectively prevent quality accident, improve product into Product rate.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model.
Fig. 2 is control circuit structural representation in the utility model.
In figure:1- device bodies, 2- plemums, 3- negative pressure chamber, 4- diaphragms, 5- negative pressure road, 6-A electrodes, 7-B electrodes, 8- Gland, 9- sealing rings, 10- return springs, 11- lampshades.
Specific embodiment
The utility model is described further in the following with reference to the drawings and specific embodiments.
As shown in Figs. 1-2, a kind of negative pressure monitor for negative pressure sucker, the device body 1 including cylindrical structure;Dress The stepped cylinder shape slot that 1 left-hand face of ontology is provided with is put, forms plemum 2 and negative pressure chamber 3;Negative pressure chamber 3 connects negative pressure road 5;Plemum 2 is provided with diaphragm 4 with 3 connectivity part of negative pressure chamber, and diaphragm 4 is slidably matched with 2 inner surface of plemum;Plemum 2 is close The gland 8 coordinated with it is provided at 1 left-hand face of device body, gland 8 can be moved left and right along 2 inner surface of plemum;Negative pressure Return spring 10 is provided in room 3,10 one end of return spring is fixed in negative pressure chamber 3, other end connection diaphragm 4;Return spring 10 connect 7 one end of B electrodes with 4 connecting pin of diaphragm, and the other end of B electrodes 7 is exposed to plemum 2 across diaphragm 4;On gland 8 with B 7 corresponding position of electrode is provided with A electrodes 6, and 6 one end of A electrodes is goed deep into inside gland 8, and the other end is exposed to plemum 2;A electrodes 6 Control circuit 12,12 connecting luminous diode of control circuit and power supply are all connected to B electrodes 7.
In use, it is made of inside device body 1 two cavity wall plemums 2 of different sizes and negative pressure chamber 3;Plemum 2 Kept apart between negative pressure chamber 3 by being arranged on the elastic diaphragm 4 of 2 bottom of plemum;The negative pressure chamber 3 on the right by venthole with The negative pressure road 5 of negative pressure sucker connects;The plemum 2 on the left side is connect by screw thread with gland 8;And between diaphragm 4 and gland 8 also Sealing ring 9 is provided with so that it is fully sealed;Outstanding 8 sealing ring 9 of gland compresses diaphragm 4, is fully sealed;4 the right of diaphragm Return spring 10 is provided in negative pressure chamber 3, return spring can balance negative pressure, and diaphragm 4 is made to be moved left and right with the change of negative pressure; B electrodes 7 are moved left and right and are moved with diaphragm 4;A electrodes 6 are connected to by being screwed on 8 center screw of gland;A electrodes 6 and B Electrode 7 is connect through conducting wire with control circuit;Under original state, gland 8 is screwed so that A electrodes 6 and B electrodes 7 contact, passes through control Circuit logic processing, when red;When vacuum degree is relatively low in negative pressure chamber 3 when initial, the pressure differential between plemum 2 and negative pressure chamber 3 It is smaller;As vacuum degree improves in negative pressure chamber 3, the pressure difference increase in negative pressure chamber 3 and plemum 2, pressure difference to push diaphragm 4 It moves right;B electrodes 7 move right and move with diaphragm 4;When 3 vacuum degree of negative pressure chamber reaches rated value, B electrodes 7 with A electrodes 6 disconnect, and by control circuit logical process, red light goes out, green light;It is unexpected when occurring, the vacuum degree drop in negative pressure chamber 3 When low, the pressure difference in negative pressure chamber 2 and plemum 3 reduces, and due to the effect of return spring 10, diaphragm 4 will be pushed to be moved to the left, when When reaching certain value, A electrodes 6 and B electrodes 7 contact, and so as to when red, green light goes out;Construction personnel will be convenient for finding negative pressure sucker It goes wrong, is handled in time;The setting of plemum 2 and 3 size of negative pressure chamber and diaphragm 4 and return spring 10 can be passed through A electrodes 6 and B electrodes 7 are disconnected when 3 vacuum degree of negative pressure chamber reaches certain degree;And reach during negative pressure chamber's 3 vacuum degree variation A electrodes 6 and B electrodes 7 contact when to a certain degree;It is empty by 10 elastic force of experiment and return spring of early period, diaphragm 4 and plemum 2 Between stroke calculating, its size and return spring 10 are set, so as to reach design requirement.
4 shape of diaphragm used in the utility model is matched with 2 bottom of plemum, shape can be it is plate shaped, Can be cast, bellows, Ω types etc.;Diaphragm is prepared for elastic material, such as rubber, metal film;Return spring 10 can be with Using round platform, cylinder and other shapes, balance negative pressure is primarily served, resets B electrodes 7 and diaphragm 4;A electrodes 6 and B electricity Column, needle-shaped, reed shape can be used in pole 7, while conductive paste or conducting liquid can also be used to replace.
Further, the control circuit includes triode Q1, triode Q2, phase inverter N1 and phase inverter N2;Triode The collector of Q1 passes through resistance R1 connection positive poles, the emitter connection power cathode of triode Q1;The base stage of triode Q2 By resistance R2 connection positive poles, the emitter connection power cathode of triode Q2, the collector of triode Q2 is sequentially connected Capacitance C2, resistance R3 and positive pole;Capacitance C1 is connected between resistance R1 and resistance R2;The base stage of triode Q1 is connected to electricity Between appearance C2 and resistance R3;1 pin of phase inverter N1 connects positive pole by R4;3 pins of phase inverter N1 pass through resistance R5 Connect positive pole;The collector of the 4 pin connecting triode Q2 of phase inverter N1;2 pins of phase inverter N1 are connected by resistance R7 The base stage of triode Q3 is connect, while is also connected with the input terminal of phase inverter N2;The output terminal of phase inverter N2 passes through resistance R8 connections three The base stage of pole pipe Q4;The emitter of triode Q3 is sequentially connected Light-emitting diode LED 1, resistance R6 and positive pole;Triode Q3 Collector connection power cathode;The emitter of triode Q4 is sequentially connected Light-emitting diode LED 2, resistance R6 and positive pole, The collector connection power cathode of triode Q4;Triode Q1 and Q2 are NPN triode, and triode Q3 and Q4 are PNP triode; A electrodes 6 are connected between 1 pin of phase inverter N1 and resistance R4;B electrodes 7 are connected to 4 pins of phase inverter N1 and triode Q2 Collector between;Switch K is provided between control circuit and power supply.
Light-emitting diode LED 2 can be controlled by the connection and disconnection of A electrodes 6 and B electrodes by control circuit(Red light) And LED1(Green light)Break-make;And since the triode Q2 mosts of the time are in cut-off state, so indicator light light-emitting diodes Pipe LED1 and LED2 are in glittering state, and the service life of battery is long, avoid the trouble for frequently replacing battery.
Control circuit is exported the pulse signal of certain duty ratio by the multivibrator that triode Q1 and triode Q2 are formed Make the display circuit interruption sex work of two phase inverter compositions;That is Light-emitting diode LED 1 and Light-emitting diode LED 2 is glittering;A electricity During 7 short circuit of pole 6 and B electrodes, triode Q2 is in the conduction state, phase inverter N1 work, and 2 pins of phase inverter N1 are everywhere in high electricity It is flat;Triode Q3 is connected, and Light-emitting diode LED 1 shines, green light, proves that negative pressure sucker is in normal operating conditions at this time; A During 7 open circuit of electrode 6 and B electrodes, Q2 is in cut-off state, is high level at phase inverter N1 pins 1, is low level at pin 2;Through After phase inverter N2, output terminal is high level, and triode Q4 is connected at this time, and Light-emitting diode LED 2 shines, i.e. when red, it was demonstrated that The pressure of negative pressure sucker changes, and occurs abnormal;Construction personnel can be reminded to be handled in time.
Further, 1 outer surface of described device ontology is provided with lampshade 11;Light emitting diode includes Light-emitting diode LED 1 It is arranged in lampshade 11 with Light-emitting diode LED 2;Light emitting diode, which is arranged in lampshade, can protect light emitting diode.
Further, it is provided with sealing ring 9 between 2 inner septum 4 of plemum and gland 8;By the way that sealing ring 9 is set to make It obtains and is fully sealed between plemum 2 and negative pressure chamber 3, further improve its sealing effect.
Further, it is connected through a screw thread between 2 inner surface of the gland 8 and plemum;It is connected through a screw thread, can facilitate Adjusting primary condition under the position of A electrodes 6 and B electrodes 7.
Further, it is connected between the negative pressure chamber 3 and negative pressure road 5 by venthole.
Further, the diameter of the plemum 2 is more than the diameter of negative pressure chamber 3.
According to preliminary investigation, only with regard to wood working industry, what the whole world was currently in operation is positioning tool using sucker Numerically-controlled machine tool has up to a million, the up to ten million sets of the sucker used;Annual newer sucker number is not also 1,000,000 sets lower;If it promotes It is applied to the industries such as glass, aluminium, quantity bigger;Existing equipment all not yet erecting bed negative pressure monitors, due to negative pressure declines The accident of initiation happens occasionally;Therefore, after this new product enters market, it is expected to be used by users;The world the is occupied at present Two Canadian wood craft machines device fabrication supply company Padsmore has made the model machine of trial-production technical appraisement, represents to meet Demander's technical indicator and requirement, and contract 1000 sets and try out;After success, 200,000 sets of order may be continuously proposed.It is following several Year, it is contemplated that the supply of goods is up to million sets, the more than one hundred million members of the output value.
Due to having sucker negative pressure monitoring displaying alarming device in processing site, site operation personnel can precisely control numerical control machine Whether bed and each sucker negative pressure of haulage equipment are in normal condition, once corresponding operating measure can be taken immediately by alarm occur, Effectively lower, avoid quality accident, improve the yield rate of product.

Claims (7)

  1. A kind of 1. negative pressure monitor for negative pressure sucker, which is characterized in that the device body (1) including cylindrical structure;Dress The stepped cylinder shape slot that ontology (1) left-hand face is provided with is put, forms plemum (2) and negative pressure chamber (3);Negative pressure chamber (3) is even Logical negative pressure road (5);Plemum (2) is provided with diaphragm (4), diaphragm (4) and plemum (2) inner surface with negative pressure chamber (3) connectivity part It is slidably matched;The gland (8) coordinated with it is provided at plemum (2) approaching device ontology (1) left-hand face, gland (8) can It is moved left and right along plemum (2) inner surface;Return spring (10) is provided in negative pressure chamber (3), return spring (10) one end is fixed In negative pressure chamber (3), other end connection diaphragm (4);Return spring (10) connect B electrodes (7) one end, B with diaphragm (4) connecting pin The other end of electrode (7) is exposed to plemum (2) across diaphragm (4);B electrodes (7) corresponding position is provided with A on gland (8) Gland (8) inside is goed deep into electrode (6), A electrodes (6) one end, and the other end is exposed to plemum (2);A electrodes (6) and B electrodes (7) It is all connected to control circuit (12), control circuit (12) connecting luminous diode and power supply.
  2. A kind of 2. negative pressure monitor for negative pressure sucker according to claim 1, which is characterized in that the control circuit Including triode Q1, triode Q2, phase inverter N1 and phase inverter N2;The collector of triode Q1 by resistance R1 connections power supply just Pole, the emitter connection power cathode of triode Q1;The base stage of triode Q2 passes through resistance R2 connection positive poles, triode Q2 Emitter connection power cathode, the collector of triode Q2 is sequentially connected capacitance C2, resistance R3 and positive pole;Resistance R1 and Capacitance C1 is connected between resistance R2;The base stage of triode Q1 is connected between capacitance C2 and resistance R3;1 pin of phase inverter N1 Positive pole is connected by R4;3 pins of phase inverter N1 pass through resistance R5 connection positive poles;The 4 pins connection of phase inverter N1 The collector of triode Q2;2 pins of phase inverter N1 are also connected with phase inverter by the base stage of resistance R7 connecting triodes Q3 The input terminal of N2;The base stage that the output terminal of phase inverter N2 passes through resistance R8 connecting triodes Q4;The emitter of triode Q3 is successively Connecting luminous diode LED1, resistance R6 and positive pole;The collector connection power cathode of triode Q3;The hair of triode Q4 Emitter-base bandgap grading is sequentially connected Light-emitting diode LED 2, resistance R6 and positive pole, the collector connection power cathode of triode Q4;Three poles Pipe Q1 and Q2 are NPN triode, and triode Q3 and Q4 are PNP triode;A electrodes (6) are connected to 1 pin and electricity of phase inverter N1 Between resistance R4;B electrodes (7) are connected between 4 pins of phase inverter N1 and the collector of triode Q2;Control circuit and power supply it Between be provided with switch K.
  3. A kind of 3. negative pressure monitor for negative pressure sucker according to claim 2, which is characterized in that described device ontology (1) outer surface is provided with lampshade (11);Light emitting diode includes Light-emitting diode LED 1 and Light-emitting diode LED 2 is arranged at In lampshade (11).
  4. A kind of 4. negative pressure monitor for negative pressure sucker according to claim 1, which is characterized in that the plemum (2) sealing ring (9) is provided between inner septum (4) and gland (8).
  5. A kind of 5. negative pressure monitor for negative pressure sucker according to claim 1, which is characterized in that the gland (8) It is connected through a screw thread between plemum (2) inner surface.
  6. A kind of 6. negative pressure monitor for negative pressure sucker according to claim 1, which is characterized in that the negative pressure chamber (3) it is connected between negative pressure road (5) by venthole.
  7. A kind of 7. negative pressure monitor for negative pressure sucker according to claim 1, which is characterized in that the plemum (2) diameter is more than the diameter of negative pressure chamber (3).
CN201721683099.5U 2017-12-04 2017-12-04 A kind of negative pressure monitor for negative pressure sucker Active CN207472480U (en)

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Application Number Priority Date Filing Date Title
CN201721683099.5U CN207472480U (en) 2017-12-04 2017-12-04 A kind of negative pressure monitor for negative pressure sucker

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107941408A (en) * 2017-12-04 2018-04-20 成都六惠科技有限公司 A kind of negative pressure monitor for negative pressure sucker

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107941408A (en) * 2017-12-04 2018-04-20 成都六惠科技有限公司 A kind of negative pressure monitor for negative pressure sucker
CN107941408B (en) * 2017-12-04 2024-02-09 成都六惠科技有限公司 Negative pressure monitor for negative pressure sucker

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