CN2741381Y - Central glue feeder - Google Patents
Central glue feeder Download PDFInfo
- Publication number
- CN2741381Y CN2741381Y CN 200420080711 CN200420080711U CN2741381Y CN 2741381 Y CN2741381 Y CN 2741381Y CN 200420080711 CN200420080711 CN 200420080711 CN 200420080711 U CN200420080711 U CN 200420080711U CN 2741381 Y CN2741381 Y CN 2741381Y
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- glue
- valve
- pipeline
- compressed air
- pressure
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Abstract
The utility model relates to the technical field of tobacco machinery, in particular to a central glue feeder of the furnishing of white glue of the coiling and connecting bag production line and the filter candle shaping production line of a cigarette factory and heavy viscous medium long distance conveying and self regulating. The central glue feeder is composed of a glue storing pool, a surge tank, a pneumatic plunger pump, a glue supplying station of a medium pressure compressed air generator and a control device, a local glue supplying handling device and a local glue supplying unit connected by pipelines. The main features of the central glue feeder are that the characteristic of the pneumatic plunger pump can directly suck and convey heavy viscous medium is used as the dynamic force of conveying the white glue and the medium pressure compressed air is used as the emergency dynamic force of conveying the white glue and the dynamic force of recycling the white glue. The corresponding multiple sets of devices can be provided according to the number of the conveying white glue by an enterprise. The glue supplying station is connected with a supply source, an air source and a water source, and the work of white glue dispensing, white glue recycling and pipeline cleaning are finished by the glue supplying station under the holding of a relevant controlling circuit and a software. The utility model is in convenient for a tobacco enterprise to reduce the production cost, improve the economic benefit and diminish the environment pollution.
Description
Technical field
The utility model relates to the tobacco machine technical field, relates in particular to the supply of cigar mill's cigarette bag production line and filter stick formation production line white glues, relates to the remote a kind of central glue feeder of carrying and controlling automatically of high viscosity medium.
Background technology
Cigar mill's cigarette bag and filter stick formation production line all need a large amount of white glues in process of production.White glues viscosity is big, and (dielectric viscosity has faintly acid (pH value is 3～5) generally 750～6500mPaS), is easy to dry and hard in air ambient.
It all is artificial conveyance that traditional cigarette bag and filter stick are produced required white glues, and a cigarette bag workshop generally has tens to hundreds of for the glue point, and great majority are not easy to manually-operated for the glue point.In the artificial process of falling glue, white glues is easy to unrestrained even pours on equipment and the mill floor, causes the pollution of equipment and mill floor; The adhesive storing box of cigarette bag and filter stick formation unit, generally be non-closed container, white glues is in the easy fouling of vessel surface, therefore, storage glue container on the unit needs regularly to clean, and during cleaning, remaining white glues is often directly poured into sewer in the container, both caused a large amount of wastes of white glues, local water environment is polluted; In artificial when falling glue, machine is on duty manually to be finished by the operative employee, and carelessness is arranged slightly, can cause the waste of cigarette materials such as obbbin, yew paper, box sheet again.
Existing concentrated glue feeder (device), employing is provided vavuum pump for oneself white glues is drawn into the storage glue jar from Jiao Chi, to store up the glue-feeder that white glues in the glue jar is pressed into " hydraulically driven ram pump " with compressed air again, the hydraulically driven ram pump boosts white glues and enters for the glue main line, adopt " vacuum tank " to eliminate the pressure and the flow pulsation of plunger displacement pump, pressure sensor is set on vacuum tank, and the start-stop of control hydraulic planger pump realizes the control for glue laminated power.
Existing concentrated glue feeder (device), owing to adopt vacuum draw, to a part of moisture content and solvent in the white glues be lost, simultaneously, the white glues that adopts compressed air will store up in the glue jar is sent to hydraulic planger pump, moisture content and solvent in the white glues will be lost in the force feed process and when the exhaust of storage glue jar, thereby cause sticking to the white glues fouling of storage glue jar inner surface; Conventional device, used hydraulically driven ram pump needs hydraulic means, can occur hydraulic oil seepage phenomenon inevitably; It adopts the method that detects vacuum tank pressure, the start-stop of control plunger displacement pump, and pressure oscillation is big, controls loaded down with trivial details; Existing apparatus adopts decompression jar and control to advance the switching decompression of glue pneumatic operated valve for glue point, if the bound setting value difference of decompression jar is big, then obviously fluctuation will appear in the plastic emitting flow, if bound setting value difference is little, to make into that the glue pneumatic operated valve frequently opens and closes, the service life of glue pneumatic operated valve is advanced in influence.Existing apparatus can't be realized sending the cleaning of glue main line.
Summary of the invention
The purpose of this utility model is at the existing glue feeder above shortcomings of concentrating, and provides can reduce moisture content in the white glues in a kind of white glues running and solvent scatters and disappears, the central glue feeder of the reliability height of the glued dirt of pipeline words spoken by an actor from offstage and recyclable white glues and detergent line, long service life, handled easily.
The purpose of this utility model is achieved through the following technical solutions, a kind of central glue feeder, comprise the confession glue station that has control circuit, stores up Jiao Chi and vacuum tank, each is local for glue operating means, local local for glue operating means, the local pipeline that supplies the glue unit for glue station and each for glue unit and connection, it is characterized in that in the glue station, be connected with the middle pressure compressed air generator that comprises air accumulator, booster, pressure-reducing valve in the low-pressure compressed air pipeline, press compressed air line during its output connects; The plastic emitting pipeline of storage Jiao Chi connects the input of air piston pump, the source of the gas pipeline of air piston pump joins by choke valve, pressure-reducing valve and magnetic valve and low-pressure compressed air pipeline, the output of air piston pump carries main line and blowdown tee ball valve to join the 3rd termination binder removal two-way valve of blowdown tee ball valve with vacuum tank, white glues respectively by two threeways; The top of vacuum tank connects the white glues pressure sensor output, joins with water under high pressure pipeline, middle pressure compressed air line and low-pressure compressed air pipeline respectively by non-return valve, choke valve, Pneumatic corner valve again; In the local pipeline Pneumatic three-way ball valve is set for the glue operating means, wherein an end connects white glues conveying main line, one end connects choke valve, the other end connects non-return valve, the other end of non-return valve joins with the comprehensive pipeline of cleaning, cleans between comprehensive pipeline and high-pressure wash water lines, middle pressure compressed air line, low-pressure compressed air pipeline and is connected to Pneumatic corner valve respectively; Be connected to Pneumatic corner valve between storage Jiao Chi and high-pressure wash water lines, top, storage glue pond is provided with annular detergent line; Storage glue pond inner surface for the glue station scribbles polyvinyl fluoride release coating layer; The cleaning water pipe of top, storage glue pond radially reaches some apertures that axially evenly distribute; Air piston pump adopts double-acting pump.
The utility model is mainly by comprising constituting for glue operating means and the local glue unit that supplies for the glue station and through this locality that pipeline is connected of storage Jiao Chi, vacuum tank, air piston pump, middle pressure compressed air generator and control circuit, utilize air piston pump directly to aspirate and the characteristic of transfer of highly viscous medium as the power of carrying white glues, press compressed air as the emergency power of carrying white glues and reclaim the power of white glues in the utilization.Enterprise can be provided with corresponding many covering devices according to the kind number of carrying white glues, connects power supply, source of the gas, water source for the glue station, and under the support of relevant control circuit and software, finishes white glues dispensing, white glues recovery and pipeline cleaning.The utility model helps tobacco enterprise and reduces production costs, and increases economic efficiency and reduces environmental pollution.
The utility model adopts air piston pump as the power of carrying white glues, and does not need to use compressed air that white glues is pressed into the inlet of pump, thereby has avoided white glues to contact with compressed-air actuated; The air piston pump of selecting for use is a double-acting pump, its commutation is finished by the reversal valve of machinery control, the centre does not have picking up signal and conversion links, commutating period very short (about 10ms), so the pneumatic plunger pump output terminal can not voltage stabilizing or the volume of vacuum tank design very for a short time; The air piston pump that the utility model is selected for use is 3: 1 or 4: 1, be that maximum output pressure is 3 times of bleed pressure or 4 times (its multiple is determined according to the permissible working pressure of white glues fed distance, flow and selected valve), the source of the gas of air piston pump adopts pressure-reducing valve to adjust compressed-air actuated pressure, realization reduces the requirement to bleed pressure stability simultaneously to the control of air piston pump output white glues pressure; Because the average discharge very little (being generally less than 2L/min) that the actual needs of cigar mill's cigarette bag and filter stick formation production line list kind white glues is carried, and the specified feed flow of air piston pump big (greater than 302/min), therefore can adopt choke valve to limit the air feed or the extraction flow of plunger displacement pump at the compressed air gas source end or the exhaust outlet of air piston pump, slow down the speed of service of piston in the air piston pump, thereby reduce the operation noise of air piston pump significantly.
The utility model is for respectively to send the glue bye-pass to be provided with the choke valve that can adapt to high viscosity medium, be used for limiting the white glues flow in the bye-pass, thereby guarantee when the plastic emitting simultaneously of a plurality of confession glue points, the white glues flow is unlikely excessive in the main line pipeline, reduce the operating frequency of the pneumatic operated valve of controlling each bye-pass plastic emitting simultaneously, prolonged the service life of components and parts;
The utility model is that the lower glue point that supplies of inlet authorized pressures such as cigarette machine, filter-stick forming device has designed outlet pressure stable and adjustable " pressure constant glue vat ", is used for being connected glue feeder and supplies the glue point.
Press compressed air generator in of the present utility model, be used as when the pneumatic plunger failure of pump, the emergent power of white glues of carrying reaches when needs are changed the glue kind, reclaims the power of white glues.The middle compressed air generator of pressing comprises compressed air booster, air accumulator and pressure-reducing valve.Booster is pressurized to the compressed air of input the several times of bleed pressure, because bleed pressure can not be very stable, therefore the compressed air pressure in the air accumulator also can not be very stable, so the supercharging multiple of the booster of selecting for use should be greater than the middle pressure compressed air pressure of output and the ratio of bleed pressure minimum of a value, thereby the compressed air pressure that guarantees air accumulator output is higher than emergent carry and white glues reclaims needed pressure, and the compressed air of air accumulator output reclaims needed pressure through the pressure-reducing valve decompression for the emergent conveying of device and white glues.During can regulating within the specific limits, the adjusting pressuring knob of adjusting pressure-reducing valve presses the output pressure of compressed air generator.
For the storage Jiao Chi at glue station, its inner surface adopts the polytetrafluoroethylene (PTFE) release coating to handle in the utility model, to reduce the white glues amount that storage glue pond inner surface adheres to, makes storage Jiao Chi shorten scavenging period when cleaning automatically.Top, storage glue pond is equipped with annular detergent line, and it radially reaches some apertures that axially evenly distribute, thereby makes whole storage Jiao Chi when cleaning, and avoids cleaning the blind area.
The utility model also can realize the comprehensive cleaning for the sebific duct road, thereby makes things convenient for the user changing this device of flexible Application in particular cases such as glue kind.
Cleaning for the sebific duct road comprises processes such as white glues recovery, high pressure water washing, compressed air dry up.
When cigarette factory need change certain white glues, only need supplying on the touch-screen of glue station, select the cleaning state, by cleaning " button ", and confirm that then this locality switches to cleaning positions for the Pneumatic three-way valve in the glue operating means, at this moment, air piston pump stops, and the middle pressure compressed air that connects vacuum tank is connected automatically.Manually open the binder removal valve, the white glues in vacuum tank and the pipeline is carried by white glues in the Plastic Drum that inflow recovery white glues such as main line and binder removal valve use under the compressed-air actuated pressure effect of middle pressure.
After white glues reclaims and finishes, close artificial binder removal valve, confirm " white glues reclaims and finishes " button, press compressed air during then device is closed automatically, start running-water booster pump, open corresponding valve, high-pressure wash water washes away for sebific duct road and vacuum tank, and sewage is through arranging into sewer for glue station blowoff line, behind the certain hour, flushing finishes, and device is closed booster pump and water route valve automatically, opens the excess compressed air valve, the compressed air of big flow pours blowoff line with the rinse water in the pipeline, simultaneously, excess compressed air has great wettability power, and the moisture content in the pipeline is blotted.
The compressed air that uses in the cigar mill be air compression station provide through dedusting, the dried compressed air of deoiling, drying, its dew-point temperature can reach subzero tens of degree, so the compressed air under the normal temperature, humidity is very low.When using compressed air to wash away pipeline because the pressure in this moment pipeline is near atmospheric pressure, compressed-air actuated volumetric expansion several times, so its wettability power will be strengthened greatly.For preventing to dry up in the process at pipeline, compressed air consumption is excessive, causes bleed pressure to reduce, and influences device and normally moves, and adopts choke valve to carry out current limliting to drying up with compressed air.
Description of drawings
Fig. 1 is the utility model pipeline schematic diagram;
Fig. 2 supplies glue station external structure schematic diagram for the utility model.
1 is for glue station cabinet among the figure, the 2nd, and storage Jiao Chi, the 3rd, air accumulator, the 4th, vacuum tank, the 5th, air piston pump, the 6th, local for the glue operating means, the 7th, local for the glue unit, M represents booster water pump, V
1-NExpression magnetic valve and pneumatic operated valve; V
S4-NThe expression hand-operated valve; V
JY1-NThe expression pressure-reducing valve; V
JL1-NThe expression choke valve; V
ZY1-NThe expression booster; V
DX1-NThe expression check valve.
The specific embodiment
Further specify the utility model in conjunction with the accompanying drawings and embodiments, the middle pressure compressed air generator course of work: the hand-operated valve V that opens compressed air line
S4, when the normal operation of device, magnetic valve V
1Get electric connection, booster V
ZY1Work, the compressed air pressure in the air accumulator rises.Because during normal the operation, do not press compressed air during device does not consume, therefore, when the air accumulator internal pressure reaches certain value (this device is selected 4 multiplication of voltage boosters for use, so under the stable state, the air accumulator internal pressure is 4 times of bleed pressure), booster quits work.Pressure-reducing valve V
JY1Pressure decompression higher in the air accumulator is the needed pressure of device, and therefore, the pressure in the middle pressure compressed air line is needed pressure.
Normal for glue: as manually white glues to be poured in the storage glue pond 2 into magnetic valve V
6Get electric connection, compressed air is by this magnetic valve V
6, pressure-reducing valve V
JY2, choke valve V
JL3Enter air piston pump 5, air piston pump 5 is started working.White glues passes through air piston pump 5, check valve V by suction line
DX2, entering vacuum tank 4 on the one hand, vacuum tank 4 words spoken by an actor from offstage glue laminated power raise gradually, and white glues is by check valve V on the other hand
DX3Enter main for the sebific duct road.When each not plastic emitting of bye-pass, each is local does not work for the Pneumatic three-way valve in the glue operating means 6, and promptly " 1 " of triple valve, " 2 " are logical, and " 1 " ", 3 " is obstructed, because " 2 " termination check valve, therefore, this triple valve blocking-up white glues passes through from arbitrary port.If advance glue for the first time, then along with the white glues in the pipeline increases, the volume of air in the pipeline is compressed, and pipeline inner pressure increases.When white glues in the pipeline does not flow when promptly remaining static, equate with interior each point pressure of pipeline in the vacuum tank 4.Regulate pressure-reducing valve V
JY2The compressed-air actuated pressure of output then can be regulated the equalizing pressure (when using for the first time, pressure is regulated toward big by little) of vacuum tank 4.Pressure in vacuum tank 4 reaches compressed-air actuated a certain multiple (by the ratio decision of air piston pump), and air piston pump 5 quits work.When certain unit work, this locality on this unit is switched to " for gluey attitude " for the rotary switch on the glue operating means 6, then should connect for the electromagnetic priority valve of the Pneumatic three-way valve in the glue operating means 6 this locality, the compressed air-driven Pneumatic three-way valve, its " 1 ", " 3 " are connected, and white glues is by Pneumatic three-way valve V
1, choke valve V
JL1, " supplying glue automatically " " manually send glue " and switch manual three-way valve V
S2" 1 " " 3 " to plastic emitting control pneumatic operated valve V
1If be in liquid level, then pneumatic operated valve V down for white glues in the glue point glue groove
1Connect; When arriving, glue groove words spoken by an actor from offstage glue position goes up liquid level, then pneumatic operated valve V
1Turn-off.During first the use, need be before formal the use air in the vomit pipe road.
Emergent for glue: as in automatically for the glue process, when the pressure in the vacuum tank 4 drops to certain value, air piston pump 5 faults to be described.At this moment, control circuit control magnetic valve V
6Turn-off pneumatic two-way valve V
8Connect, middle pressure compressed air is by two-way valve V
8, check valve V
DX1Enter vacuum tank 4, middle pressure compressed air promotes the white glues in the vacuum tank 4, to cigarette bag and the emergent white glues of carrying of filter stick formation production line.Simultaneously, control circuit sends alarm signal, and the indication fault source, notifies the attendant in time to change air piston pump 5.But the emergent holdout device of carrying moves more than 2 hours.
Manually send glue:, in the time of can't realizing supplying glue automatically, enable and manually send glue when automatic glue feeder fault.This device is in transformation process, kept the former adhesive storing box that manually send glue, when manually sending glue, only needed this locality is switched to " manually sending glue " position for the manual tee ball valve in the glue unit 7, just can use and manually send glue, keep the ordinary production of cigarette bag and filter stick formation production line.
White glues reclaims: when cigarette factory need change the glue kind, or when needing pipe blow-through, at first carry out white glues and reclaim.White glues reclaims the white glues that promptly reclaims in vacuum tank and the white glues transfer pipeline.Because white glues viscosity is big, when pressing the compressed air force feed in the employing, once be difficult to the white glues in the pipeline is reclaimed totally, after compressed air formed path, the white glues in the pipeline was almost no longer mobile.Therefore, white glues reclaims to divide and finishes for several times, and carries the main line of white glues to install with certain slope.
When white glues reclaimed, device was opened pneumatic two-way valve V automatically
4, local Pneumatic three-way valve, for example V for corresponding circuit in the glue operating means 6
1, middle pressure compressed air is by pneumatic two-way valve V
4, check valve V
DX1, Pneumatic three-way valve V
1" 2 " " 1 " makes the white glues in the bye-pass enter main line, by manual three-way valve V
S2, manual two-way valve V
S3, enter in the container that holds white glues.After a period of time, device is closed pneumatic two-way valve V automatically
S4, open pneumatic two-way valve V
8, the white glues in the discharging vacuum tank.Trickle along the past glue station direction that supplies of pipeline so that stick to the white glues of inner-walls of duct in the main line.This process is carried out repeatedly, drains only so that the white glues in pipeline and the vacuum tank 4 is as much as possible.
Pipeline cleans: after white glues reclaims end, promptly can carry out pipeline and clean.Before pipeline cleans, with binder removal two-way valve V
S3Close, with manual three-way valve V
S2It is logical to switch to " 1 ", " 3 ".Start " pipeline cleaning " button, then device is closed pneumatic two-way valve V automatically
4, V
8, open pneumatic two-way valve V
3, start running-water booster pump M
1(the tap water pipe line manual two-way valve V that enters the mouth at this moment,
S1Connect), high-pressure wash water is by pneumatic two-way valve V
3, clean comprehensive pipeline, clean bye-pass, enter local check valve V for the glue operating means
DX1, Pneumatic three-way ball valve V
1, for the glue bye-pass, enter for glue station manual three-way valve V
S2, enter blow-off line.
The cleaning process of vacuum tank is: open pneumatic two-way valve V
7, close pneumatic two-way valve V
3, high-pressure wash water is by pneumatic two-way valve V
7, check valve V
DX1, wash away vacuum tank; Sewage is through check valve V
DX3, manual three-way valve V
S2" 1 " " 3 " enter sewer, pipeline cleans to clean with vacuum tank 4 and hockets, after last detergent line finished, cleaning process finished.
Pipeline dries up: after pipeline and vacuum tank 4 cleaning end, device is closed pneumatic two-way valve V automatically
7And V
3, open pneumatic two-way valve V
9Or V
2, identical when drying up path and cleaning.The compressed air of big flow is blown into sewer with the most of rinse water in pipeline and the vacuum tank, simultaneously, because compressed-air actuated hygroscopic effect, after drying up after a while, the surplus water that inner-walls of duct adheres to is compressed absorption of air and drains, so that when reusing, can not influence the viscosity of white glues because of the surplus water in the pipeline.
Claims (5)
1, a kind of central glue feeder, comprise the confession glue station that has control circuit, stores up Jiao Chi and vacuum tank, each is local for glue operating means, local local for glue operating means, the local pipeline that supplies the glue unit for glue station and each for glue unit and connection, it is characterized in that in the glue station, be connected with the middle pressure compressed air generator that comprises air accumulator, booster, pressure-reducing valve in the low-pressure compressed air pipeline, press compressed air line during its output connects; The plastic emitting pipeline of storage Jiao Chi connects the input of air piston pump, the source of the gas pipeline of air piston pump joins by choke valve, pressure-reducing valve and magnetic valve and low-pressure compressed air pipeline, the output of air piston pump carries main line and blowdown tee ball valve to join the 3rd termination binder removal two-way valve of blowdown tee ball valve with vacuum tank, white glues respectively by two threeways; The top of vacuum tank connects the white glues pressure sensor output, joins with water under high pressure pipeline, middle pressure compressed air line and low-pressure compressed air pipeline respectively by non-return valve, choke valve, Pneumatic corner valve again; In the local pipeline Pneumatic three-way ball valve is set for the glue operating means, wherein an end connects white glues conveying main line, one end connects choke valve, the other end connects non-return valve, the other end of non-return valve joins with the comprehensive pipeline of cleaning, cleans between comprehensive pipeline and high-pressure wash water lines, middle pressure compressed air line, low-pressure compressed air pipeline and is connected to Pneumatic corner valve respectively; Be connected to Pneumatic corner valve between storage Jiao Chi and high-pressure wash water lines, top, storage glue pond is provided with annular detergent line.
2, central glue feeder according to claim 1 is characterized in that scribbling polyvinyl fluoride release coating layer for the storage glue pond inner surface at glue station.
3, central glue feeder according to claim 1 is characterized in that the cleaning water pipe that stores up top, glue pond radially reaches some apertures that axially evenly distribute.
4, central glue feeder according to claim 1 is characterized in that air piston pump adopts double-acting pump.
5, central glue feeder according to claim 1 is characterized in that in tee ball valve in the local glue feeder and the local pipeline that is connected for the glue unit choke valve being set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420080711 CN2741381Y (en) | 2004-10-27 | 2004-10-27 | Central glue feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420080711 CN2741381Y (en) | 2004-10-27 | 2004-10-27 | Central glue feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2741381Y true CN2741381Y (en) | 2005-11-23 |
Family
ID=35476860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420080711 Expired - Fee Related CN2741381Y (en) | 2004-10-27 | 2004-10-27 | Central glue feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2741381Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102090714A (en) * | 2010-12-15 | 2011-06-15 | 河南中烟工业有限责任公司洛阳卷烟厂 | Production process for local automatic glue supply system of cigarette making machine |
| CN104209238A (en) * | 2013-06-05 | 2014-12-17 | 宜兴市一洲木业有限公司 | Plywood adhesion agent preparation and conveying system for container soleplate |
| CN104941881A (en) * | 2015-07-08 | 2015-09-30 | 厦门保沣实业有限公司 | Central supply system for sealing rubber |
| CN108787263A (en) * | 2018-09-06 | 2018-11-13 | 华北电力大学（保定） | A kind of on-line automatic paint finishing of insulator |
| CN109123767A (en) * | 2017-06-16 | 2019-01-04 | 深圳烟草工业有限责任公司 | A kind of cleaning device of cigarette filter cutter |
-
2004
- 2004-10-27 CN CN 200420080711 patent/CN2741381Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102090714A (en) * | 2010-12-15 | 2011-06-15 | 河南中烟工业有限责任公司洛阳卷烟厂 | Production process for local automatic glue supply system of cigarette making machine |
| CN104209238A (en) * | 2013-06-05 | 2014-12-17 | 宜兴市一洲木业有限公司 | Plywood adhesion agent preparation and conveying system for container soleplate |
| CN104941881A (en) * | 2015-07-08 | 2015-09-30 | 厦门保沣实业有限公司 | Central supply system for sealing rubber |
| CN109123767A (en) * | 2017-06-16 | 2019-01-04 | 深圳烟草工业有限责任公司 | A kind of cleaning device of cigarette filter cutter |
| CN109123767B (en) * | 2017-06-16 | 2023-08-22 | 深圳烟草工业有限责任公司 | Cleaning device for cigarette filter tip cutter |
| CN108787263A (en) * | 2018-09-06 | 2018-11-13 | 华北电力大学（保定） | A kind of on-line automatic paint finishing of insulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |