CN210527857U - Vacuum conveying and automatic weighing feeding device - Google Patents
Vacuum conveying and automatic weighing feeding device Download PDFInfo
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- CN210527857U CN210527857U CN201921440000.8U CN201921440000U CN210527857U CN 210527857 U CN210527857 U CN 210527857U CN 201921440000 U CN201921440000 U CN 201921440000U CN 210527857 U CN210527857 U CN 210527857U
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Abstract
The utility model belongs to powder material vacuum conveying system field specifically is a vacuum conveying and automatic weighing's feeder. The bottom of the storage bin is connected with a first vacuum conveyor of the automatic vacuum conveying and weighing device through a pipeline, the top of the first vacuum conveyor is communicated with a first pumping fan through a pipeline, the bottom of the first vacuum conveyor is communicated with a weighing tank of the automatic vacuum conveying and weighing device, the bottom of the weighing tank is connected with a first pneumatic three-way valve through a pipeline, and the other two ways of the three-way valve are respectively connected with a second vacuum conveyor and a third vacuum conveyor of the two groups of automatic vacuum conveying and feeding devices through pipelines. The utility model discloses can the wide application in industry powder material vacuum conveying system's environment, can guarantee that feed speed is stable and even simultaneously.
Description
Technical Field
The utility model belongs to powder material vacuum conveying system field specifically is a vacuum conveying and automatic weighing's feeder.
Background
Powder material conveying systems are widely applied in industry, but conveying speed is different according to conveying situations and methods such as equipment requirements and environmental influence factors. The blanking process of the existing conveying equipment is that powder materials naturally fall down from the vibration wall of a conical tank body, a material feeder turnover plate rotates to drive the materials to enter a vacuum pumping pipeline (a tripropylene polyethylene (PPR) pipeline is suggested to be used), a certain negative pressure exists in a closed pumping pipeline, after the materials are transferred to a material storage tank, the material storage device must be provided with a filtering and exhausting device (which needs to be regularly and effectively cleaned), the process is converted into a discharging process at the moment, after an angle valve is opened, the materials naturally fall down into a weighing tank, then a positive pressure gas back-blowing filter is used for back-blowing the materials attached to the filter into a tank body of the blanking device, and the process is guaranteed to be;
the conventional conveying, weighing and blanking device is an intermediate link, the average feeding and discharging amount needs to be calculated and weighed manually, the accuracy is general, manual weighing is needed every time, the loss rate of powder materials and the pollution condition are large, and therefore manual consumption of equipment cleaning and production loss caused by equipment shutdown and maintenance are generated. Before the improvement of conveying automatic weighing is not made, the existing conditions are as follows: the discharging of the storage bin is respectively discharged by nylon bags, the process speed is slow, the pollution is large, the discharging device needs to be disassembled and assembled back and forth, and then the materials are pumped into the equipment one by the material pumping device, and fine ash is sprayed out from the opening of the material bag to the outside due to air pressure, so that the effect which can be achieved by closed conveying cannot be achieved. The utility model discloses a based on the bad linking state of anterior segment storage device and back end feeding equipment, and require to implement under the state of dustless conveying to reach the special improvement of making after the conveying system that total amount and feeding average volume can effectively be adjusted implements.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a stable vacuum of feed rate carries automatic weighing's feeder can make the stable and continuous supply volume of powder material enter into equipment through the device, when avoiding conventional feeding system feed, the problem of unloading speed poor stability, unable calculation feed rate, leakproofness difference, artifical consumption big etc..
In order to achieve the above purpose, the utility model provides a following technical scheme:
a vacuum conveying automatic weighing feeder comprising: the device comprises a storage bin, a first vacuum conveyor, a weighing tank, a second vacuum conveyor, a first storage tank, a first screw feeder, a third vacuum conveyor, a second storage tank, a second screw feeder, a first material pumping fan, a second material pumping fan, a third material pumping fan, a first material receiving device, a second material receiving device and a pneumatic three-way valve, and is specifically structurally characterized in that:
the bottom of the storage bin is connected with a first vacuum conveyor of the automatic vacuum conveying and weighing device through a pipeline, the top of the first vacuum conveyor is communicated with a first material pumping fan through a pipeline, the bottom of the first vacuum conveyor is communicated with a weighing tank of the automatic vacuum conveying and weighing device, the bottom of the weighing tank is connected with one way of a pneumatic three-way valve through a pipeline, and the other two ways of the three-way valve are respectively connected with a second vacuum conveyor and a third vacuum conveyor of the two groups of automatic vacuum conveying and feeding devices through pipelines;
the top of the second vacuum conveyor is communicated with the second material pumping fan through a pipeline, the bottom of the second vacuum conveyor is communicated with the first material storage tank, the bottom of the first material storage tank is communicated with the first screw feeder, and the output end of the first screw feeder is connected with the first material receiving equipment;
the top of the third vacuum conveyor is communicated with the three-phase material pumping fan through a pipeline, the bottom of the third vacuum conveyor is communicated with the second material storage tank, the bottom of the second material storage tank is communicated with the second screw feeder, and the output end of the second screw feeder is connected with the second material receiving device.
The vacuum conveying automatic weighing feeding device comprises a storage bin and a weighing device, wherein the storage bin comprises: unloading inverter motor, unloading ware, manual push-pull valve, low material level alarm switch, high material level alarm switch, sprue, exhaust filter, rapping device, prevent stifled device, bin outlet, concrete structure is as follows:
the top of storage silo is equipped with sprue, exhaust filter, and the upper portion cylindricality part side of storage silo is equipped with high material level alarm switch, and the lower part toper part side of storage silo is equipped with low material level alarm switch, knocker, and the lower part toper part of storage silo is inside to be set up prevents stifled device, and the bottom of storage silo is connected with the glassware down through manual push-pull valve, and inverter motor under the side-mounting of glassware down, the bottom of glassware is linked together through bin outlet and pipeline down.
The feeding device for vacuum conveying automatic weighing comprises: the vacuum conveyor I, weigh jar, material pumping fan I, weigh module, unloading export, inverter motor, turn over under the board glassware, low material level alarm switch, high material level alarm switch, silica gel hose connection pipe, unloading flap valve, electromagnetism air exhaust converter, feeding sunction inlet, exhaust pipe, exhaust filter, weigh jar main part, bleed pressure detection table, unloading vibrator, material filter, concrete structure is as follows:
an electromagnetic air exhaust converter at the top of a first vacuum conveyor is communicated with a first material exhaust fan through an air exhaust pipeline, one side surface of the first vacuum conveyor is communicated with a conveying pipeline through a feeding suction inlet, a material filter is arranged at the top in the first vacuum conveyor, a blanking flap valve is arranged at the lower outlet of the first vacuum conveyor, the bottom of the first vacuum conveyor is communicated with a weighing tank through a silica gel flexible connecting pipe, an exhaust filter is arranged at the top of a weighing tank main body of the weighing tank, a high material level alarm switch is arranged on the side surface of a cylindrical part at the upper part of the weighing tank main body of the weighing tank, a low material level alarm switch is arranged on the side surface of, the blanking vibrator is provided with a turning plate blanking device at the outlet of the bottom of the weighing tank body of the weighing tank, a variable frequency motor is arranged at one side of the turning plate blanking device, the bottom of the turning plate blanking device is communicated with a conveying pipeline through a blanking outlet, and a weighing module is arranged at the bottom of a column base of the weighing tank.
According to the feeding device for vacuum conveying and automatic weighing, the weighing module adopts a weighing sensor, and the weighing sensor is fixedly connected to the bottom of the column base through a bolt.
The vacuum conveying automatic weighing feeding device comprises: vacuum conveyer two, storage tank one, screw feeder one, take out material fan two, receive material equipment one, inverter motor, reduction gear, feeding screw rod, observation window, unloading pipe, flap valve, feed inlet, electromagnetism air exhaust converter, fan exhaust line, exhaust filter, bleed pressure detection table, agitator motor, agitator reduction gear, high material level alarm switch, low material level alarm switch, knocker, concrete structure as follows:
the electromagnetic air exhaust converter at the top of the second vacuum conveyor is communicated with the second material pumping fan through a fan air exhaust pipeline, an exhaust filter is arranged on the side face of the upper portion of the second vacuum conveyor, a feeding hole and a flap valve are arranged on the side face of the middle of the second vacuum conveyor according to the upper and lower parts, the second vacuum conveyor is communicated with the first material storage tank through a feeding pipe at the bottom, a stirring motor is arranged at the top of the first material storage tank, a stirrer speed reducer and a high material level alarm switch are arranged, the stirring motor is connected with the stirrer speed reducer, a stirrer at the output end of the stirrer speed reducer extends into the first material storage tank, an observation window is arranged on the side face of the first material storage tank, the low material level alarm switch.
The feeding device for vacuum conveying automatic weighing is characterized in that a first spiral feeder is composed of a variable frequency motor, a speed reducer and a feeding screw, the speed reducer and the variable frequency motor are sequentially installed on one side of the first spiral feeder, the feeding screw is arranged in the first spiral feeder, and an outlet on the other side of the first spiral feeder is communicated with a first receiving device.
The utility model discloses for prior art have following advantage and beneficial effect:
1. the utility model discloses a board unloader turns over according to the adjustable board rotational speed that turns over of mobility of material and gives the unloading volume, fills the pump through the material and send realization vacuum transport, calculates feed speed through weighing the material business turn over gross error to effective adjustment required amount reaches the effect of stable transported substance material with this, but the wide application is on the equipment that the powder was carried.
2. The utility model discloses a feedway based on closed conveying system improves, can calculate feed total amount, feed rate, also can effectively avoid the manual weighing in-process to bring the material dust into to external possibility simultaneously.
3. Adopt the utility model discloses at closed malleation material conveying system operation in-process, when the unloading of vacuum conveyer gets into the storage tank, solve because positive atmospheric pressure causes the direct entering equipment of material with the material effect to seriously influence input speed scheduling problem. Meanwhile, the problems that fine powder materials enter a bearing of the rotating equipment and are damaged due to the positive air pressure are solved.
4. The utility model discloses but automatic control material is weighed, material supply, material output to make during the material can get into required equipment smoothly according to setting for speed, this powder material conveyor can the wide application in industrial material conveying system's environment, can enough avoid factory building dust pollution, can reach material total amount and feed speed again and calculate the adjustment, be powder material conveying system's still another innovation.
Drawings
Fig. 1 is a plan operation flow chart of the feeding device for vacuum conveying automatic weighing of the utility model. In the figure, 1 storage bin, 2 first vacuum conveyor, 3 weighing tank, 4 second vacuum conveyor, 5 first storage tank, 6 first screw feeder, 7 third vacuum conveyor, 8 second storage tank, 9 second screw feeder, 10 first material pumping fan, 11 second material pumping fan, 12 third material pumping fan, 13 first material receiving device, 14 second material receiving device and 15 pneumatic three-way valve.
FIG. 2 is a schematic structural view of the storage silo, a raw material storage device of the present invention. In the figure, 1, a storage bin, 101, a blanking variable frequency motor, 102, a blanking device, 103, a manual gate valve, 104, a low material level alarm switch, 105, a high material level alarm switch, 106, 107, an exhaust filter, 108, a rapping device, 109, an anti-blocking device and 110, are arranged.
Fig. 3 is a schematic structural view of the automatic vacuum conveying weighing device of the present invention. In the figure, 2 a first vacuum conveyor, 3 a weighing tank, 10 a first material pumping fan, 301 a weighing module, 302 a discharging outlet, 303 a variable frequency motor, 304 a turning plate discharger, 305 a low material level alarm switch, 306 a high material level alarm switch, 307 a silica gel flexible connecting pipe, 308 a discharging turning plate valve, 309 a feeding suction inlet, 310 an electromagnetic air suction converter, 311 an air suction pipeline, 312 an exhaust filter, 313 a weighing tank body, 314 an air suction pressure detection meter, 315 a discharging vibrator, 316 a material filter and 317 a column foot.
Fig. 4 is a schematic structural view of the vacuum conveying automatic feeding device of the present invention. In the figure, 4 a vacuum conveyor II, 5 a storage tank I, 6 a screw feeder I, 11 a material pumping fan II, 13 a material receiving device I, 501 a variable frequency motor, 502 a speed reducer, 503 a feeding screw rod, 504 an observation window, 505 a discharging pipe, 506 a flap valve, 507 a feeding hole, 508 an electromagnetic pumping converter, 509 a fan pumping pipeline, 510 an exhaust filter, 511 a pumping pressure detection table, 512 a stirring motor, 513 a stirrer speed reducer, 514 a high material level alarm switch, 515 a low material level alarm switch and 516 a rapping device.
Detailed Description
The system structure, the monomer mechanism and the specific implementation of the present invention are described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the feeding device of the vacuum conveying automatic weighing of the present invention mainly comprises: the device comprises a storage bin 1, a first vacuum conveyor 2, a weighing tank 3, a second vacuum conveyor 4, a first storage tank 5, a first screw feeder 6, a third vacuum conveyor 7, a second storage tank 8, a second screw feeder 9, a first material pumping fan 10, a second material pumping fan 11, a third material pumping fan 12, a first material receiving device 13, a second material receiving device 14, a pneumatic three-way valve 15 and the like, and the device has the following specific structure:
the bottom of the storage bin 1 is connected with a first vacuum conveyor 2 of the automatic vacuum conveying weighing device through a pipeline, the top of the first vacuum conveyor 2 is communicated with a first pumping fan 10 through a pipeline, the bottom of the first vacuum conveyor 2 is communicated with a weighing tank 3 of the automatic vacuum conveying weighing device, the bottom of the weighing tank 3 is connected with a first through of a pneumatic three-way valve 15 through a pipeline, and the other two through of the three-way valve 15 are respectively connected with a second vacuum conveyor 4 and a third vacuum conveyor 7 of the two groups of automatic vacuum conveying feeding devices through pipelines.
The top of the second vacuum conveyor 4 is communicated with a second material pumping fan 11 through a pipeline, the bottom of the second vacuum conveyor 4 is communicated with a first material storage tank 5, the bottom of the first material storage tank 5 is communicated with a first screw feeder 6, and the output end of the first screw feeder 6 is connected with a first material receiving device 13.
The top of the third vacuum conveyor 7 is communicated with a third pumping fan 12 through a pipeline, the bottom of the third vacuum conveyor 7 is communicated with a second storage tank 8, the bottom of the second storage tank 8 is communicated with a second screw feeder 9, and the output end of the second screw feeder 9 is connected with a second receiving device 14.
As shown in fig. 2, the material storage device of the present invention, storage silo 1, mainly comprises: blanking variable frequency motor 101, blanking device 102, manual gate valve 103, low material level alarm switch 104, high material level alarm switch 105, feed inlet 106, exhaust filter 107, rapping device 108, anti-blocking device 109, bin outlet 110, etc. the concrete structure is as follows:
the top of storage silo 1 is equipped with material filling mouth 106, exhaust filter 107, the upper portion cylindricality part side of storage silo 1 is equipped with high material level alarm switch 105, the lower part toper part side of storage silo 1 is equipped with low material level alarm switch 104, rapping apparatus 108, the inside anti-blocking device 109 that sets up of the lower part toper part of storage silo 1, the bottom of storage silo 1 is connected with glassware 102 down through manual push-pull valve 103, one side-mounting unloading inverter motor 101 of glassware 102 down, the bottom of glassware 102 is linked together with pipeline through bin outlet 110. Wherein, all the surfaces contacting with the materials and the stainless steel 304 parts need to be sprayed with Teflon.
1 jar of body of storage silo is weld forming, bottom outlet flange welded fastening, prevent stifled device 109 for welding tapered stainless steel 304 parts in the storage silo 1, simultaneously, the continuous effect of the pneumatic knocker 108 pulsed of 1 outer wall 9 of storage silo, guarantee the continuous whereabouts of material, avoid forming the bridging, all adopt butt clamp formula manual push-pull valve 103 between bin outlet 110 and the 1 end flange of storage silo, 1 top spiro union high material level alarm switch 105 (rotation type) of storage silo, apart from 1 top position 200mm of storage silo, 1 bottom spiro union low material level alarm switch 104 (rotation type) of storage silo, apart from tank bottom position 500mm, effectively observe the interior material storage condition of jar, 1 top of storage silo sets up exhaust filter 107, guarantee that the material dust stays in the jar, interface DN50 mm.
The manual gate valve 103 is structurally a screw-type rotary inlet and outlet gate plate, a contact port is sealed by graphite filler, and the manual gate valve mainly has the main function of being used as a main gate to be shut off during shutdown and maintenance so as to prevent foreign matters from falling into a blanking device; the blanking device 102 is a forming device and mainly comprises a speed reducer and a flap valve which are integrally connected, the blanking variable frequency motor 101 enables the flap valve to drive materials to rotate through the speed reducer, and when the rotating port rotates to the lower part and is parallel to the discharge port 110, the vacuum conveyor I2 transfers the materials between the flaps into the weighing tank 3 by virtue of pipeline drawing force.
As shown in fig. 3, the utility model discloses automatic weighing device is carried in vacuum mainly includes: the device comprises a first vacuum conveyor 2, a weighing tank 3, a first pumping fan 10, a weighing module 301, a blanking outlet 302, a variable frequency motor 303, a flap blanking device 304, a low material level alarm switch 305, a high material level alarm switch 306, a silica gel flexible connecting pipe 307, a blanking flap valve 308, an electromagnetic air suction converter 309, a feeding suction inlet 310, an air suction pipeline 311, an exhaust filter 312, a weighing tank main body 313, an air suction pressure detection meter 314, a blanking vibrator 315, a material filter 316 and the like, and the specific structure is as follows:
an electromagnetic air exhaust converter 309 at the top of a vacuum conveyor I2 is communicated with a first material exhaust fan 10 through an air exhaust pipeline 311 (an air exhaust pressure detection meter 314 is arranged on the pipeline), the side surface of the vacuum conveyor I2 is communicated with a conveying pipeline through a feeding suction inlet 310, a material filter 316 is arranged at the top in the vacuum conveyor I2, a blanking flap valve 308 is arranged at the lower outlet of the vacuum conveyor I2, the bottom of the vacuum conveyor I2 is communicated with a weighing tank 3 through a silica gel soft connecting pipe 307, an exhaust filter 312 is arranged at the top of a weighing tank body 313 of the weighing tank 3, a high material level alarm switch 306 is arranged at the side surface of the upper cylindrical part of the weighing tank body 313 of the weighing tank 3, a low material level alarm switch 305 and a blanking vibrator 315 are arranged at the side surface of the lower conical part of the weighing tank body 313 of the weighing tank 3, a flap discharger, a variable frequency motor 303 is arranged on one side of a flap blanking device 304, the bottom of the flap blanking device 304 is communicated with a conveying pipeline through a blanking outlet 302, weighing modules 301 are arranged at the bottoms of three column feet 317 of the weighing tank 3, the weighing modules 301 are used for weighing, and a weighing sensor of a weighing module LY-F1 of C3 level 1 can be adopted. The load cell is bolted to the bottom of the pedestal 317 and the weighing display can be secured to one of the pedestals 317.
The first vacuum conveyor 2 is used for pumping the materials in the storage bin 1 into the weighing tank 3; the electromagnetic air extraction converter 309 is communicated with the material filter 316, air can be exhausted, meanwhile, materials are remained in the transition space under the action of back flushing force, the blanking flap valve 308 is opened/closed according to the flow completion action, and the materials fall to the weighing tank 3; and the weighing tank 3 is used for calculating the material filling amount and the material output amount.
As shown in fig. 4, the utility model discloses a set of vacuum conveying automatic feeding device mainly includes: the device comprises a second vacuum conveyor 4, a first storage tank 5, a first screw feeder 6, a second pumping fan 11, a first receiving device 13, a variable frequency motor 501, a speed reducer 502, a feeding screw 503, an observation window 504, a blanking pipe 505, a flap valve 506, a feeding port 507, an electromagnetic pumping converter 508, a fan pumping pipeline 509, an exhaust filter 510, a pumping pressure detection meter 511 (with an alarm switch contact point 380v), a stirring motor 512, a stirrer speed reducer 513, a high-level alarm switch 514, a low-level alarm switch 515 and a rapper 516, and has the following specific structure:
an electromagnetic air exhaust converter 508 at the top of the second vacuum conveyor 4 is communicated with a second material pumping fan 11 through a fan air exhaust pipeline 509 (an air exhaust pressure detection meter 511 is arranged on the pipeline), an exhaust filter 510 is arranged on the side surface of the upper portion of the second vacuum conveyor 4, a feeding port 507 and a flap valve 506 are arranged on the side surface of the middle portion of the second vacuum conveyor 4 from top to bottom, the second vacuum conveyor 4 is communicated with a first material storage tank 5 through a feeding pipe 505 at the bottom, a stirring motor 512, a stirrer speed reducer 513 and a high material level alarm switch 514 are arranged at the top of the first material storage tank 5, the stirring motor 512 is connected with the stirrer speed reducer 513, a stirrer at the output end of the stirrer speed reducer 513 extends into the first material storage tank 5, an observation window 504, a low material level alarm switch 515 and a vibrator 516 are arranged on the side surface of the first material storage tank 5. The first screw feeder 6 is composed of a variable frequency motor 501, a speed reducer 502 and a feeding screw 503, the speed reducer 502 and the variable frequency motor 501 are sequentially installed on one side of the first screw feeder 6, the feeding screw 503 is installed in the first screw feeder 6, and an outlet on the other side of the first screw feeder 6 is communicated with the first receiving device 13. Wherein, the axial seal of feed screw 503 adopts sealed bearing plus graphite packing to seal, needs regularly to change the fastening, and feed screw 503 is stainless steel 304 material external screw thread welded fastening, and the surface is made teflon spraying processing.
The second 4 vacuum conveyor and the blanking pipe 505 are connected by a quick-connection clamp, the blanking pipe 505 is welded and fixed with the first 5 storage tank, the third 7 vacuum conveyor and the second 4 vacuum conveyor are in the same action configuration, the first 5(100L) storage tank is welded and formed by stainless steel 304, the stirrer is arranged at the center of the top of the first storage tank, the stirrer rotates clockwise spirally in the first 5 storage tank, the high-material-level alarm switch 514 rotates 100mm downwards in the upper side, the side face of the tank body is provided with an observation window, the bottom of the tank body is provided with a vibrator 516, and the low-material-level alarm switch 515 is the same as the bottom of the observation window in height.
The other group of vacuum conveying automatic feeding device of the utility model has the same structure as the above.
As shown in fig. 1-4, the utility model discloses in, install manual push-pull valve 103 and communicate with glassware 102 under the storage silo 1 with the flange, the feed inlet intercommunication of glassware 102 export through PPR pipeline and vacuum conveyor one 2 down, vacuum conveyor one 2's unloading flap valve 308 is opened the back and is communicated through silica gel flexible coupling 307 with weighing tank 3, material pumping fan one 10 is through the electromagnetic air exhaust converter 309 intercommunication of pipeline and vacuum conveyor one 2, the material of discharging under the weighing tank 3, respectively with vacuum conveyor two 4 through the PPR pipeline, vacuum conveyor three 7's feeding sunction inlet intercommunication, vacuum conveyor two 4, vacuum conveyor three 7's unloading flap valve is opened the back and is communicated with storage tank (transition tank), the material direct action is in feeding screw rod contact surface, screw rod feeding agitator motor opens the back, the material is pushed in succession to required material receiving equipment.
The storage bin comprises a storage bin 1 and a material storage bin (2000L), wherein Teflon spraying treatment is required to be carried out inside the storage bin; the vacuum conveyor I2 is used for pumping the materials in the storage bin into the weighing tank; the material filter 316 on the vacuum conveyor I2 can discharge air, meanwhile, the materials are left in the vacuum conveyor I2 under the action of back flushing force, the blanking flap valve 8 is opened according to the flow action, and the materials in the vacuum conveyor I2 fall to the weighing tank 3; the weighing tank 3 is used for calculating the material filling amount and the material output amount, calculating the running speed of the screw feeder according to the use time and conveniently adjusting at any time; the vacuum conveyor II 4 is used for pumping the materials in the weighing tank 3 to the material storage tank, and has the same structure as the vacuum conveyor I2; the first material storage tank 5 is an intermediate device between the second vacuum conveyor 4 and the first screw feeder 6, and is used for providing a stable material supply source for the first screw feeder 6, checking the material level through an observation window, automatically supplementing material at a low material level, and automatically stopping supplementing material under the condition of a high material level; the screw feeder I6 is mainly used for stably pushing the materials into the receiving equipment at a constant speed, and structurally comprises a variable frequency motor, a reducer and a screw rod, wherein the variable frequency motor is butted with the reducer to drive the screw rod to feed, and the screw rod is required to be subjected to Teflon spraying treatment; the third vacuum conveyor 7, the second storage tank 8 and the second screw feeder 9 are a second group of vacuum conveying automatic feeding devices, the operation principle is the same as that of the first group, and the automatic feeding devices can be realized only by adding the pneumatic three-way valve 15 at the outlet of the weighing tank.
The utility model ensures the continuity and stability of the feeding, the tightness of the material transfer process, the stable control of the feeding speed, the reduction of the manual input, the convenient and accurate monitoring, the service life of the adjacent equipment is prolonged, and the working environment of the personnel is strengthened; after the production is finished, the material is put into a conveying and weighing system for use, the running state is good, the feeding speed is extremely stable, and the conveying, weighing and feeding device can run continuously for 6 months without failure.
Claims (6)
1. A vacuum conveying automatic weighing feeding device is characterized by comprising: the device comprises a storage bin, a first vacuum conveyor, a weighing tank, a second vacuum conveyor, a first storage tank, a first screw feeder, a third vacuum conveyor, a second storage tank, a second screw feeder, a first material pumping fan, a second material pumping fan, a third material pumping fan, a first material receiving device, a second material receiving device and a pneumatic three-way valve, and is specifically structurally characterized in that:
the bottom of the storage bin is connected with a first vacuum conveyor of the automatic vacuum conveying and weighing device through a pipeline, the top of the first vacuum conveyor is communicated with a first material pumping fan through a pipeline, the bottom of the first vacuum conveyor is communicated with a weighing tank of the automatic vacuum conveying and weighing device, the bottom of the weighing tank is connected with one way of a pneumatic three-way valve through a pipeline, and the other two ways of the three-way valve are respectively connected with a second vacuum conveyor and a third vacuum conveyor of the two groups of automatic vacuum conveying and feeding devices through pipelines;
the top of the second vacuum conveyor is communicated with the second material pumping fan through a pipeline, the bottom of the second vacuum conveyor is communicated with the first material storage tank, the bottom of the first material storage tank is communicated with the first screw feeder, and the output end of the first screw feeder is connected with the first material receiving equipment;
the top of the third vacuum conveyor is communicated with the three-phase material pumping fan through a pipeline, the bottom of the third vacuum conveyor is communicated with the second material storage tank, the bottom of the second material storage tank is communicated with the second screw feeder, and the output end of the second screw feeder is connected with the second material receiving device.
2. The vacuum conveying automatic weighing feeder according to claim 1, wherein the storage bin comprises: unloading inverter motor, unloading ware, manual push-pull valve, low material level alarm switch, high material level alarm switch, sprue, exhaust filter, rapping device, prevent stifled device, bin outlet, concrete structure is as follows:
the top of storage silo is equipped with sprue, exhaust filter, and the upper portion cylindricality part side of storage silo is equipped with high material level alarm switch, and the lower part toper part side of storage silo is equipped with low material level alarm switch, knocker, and the lower part toper part of storage silo is inside to be set up prevents stifled device, and the bottom of storage silo is connected with the glassware down through manual push-pull valve, and inverter motor under the side-mounting of glassware down, the bottom of glassware is linked together through bin outlet and pipeline down.
3. The vacuum conveying automatic weighing feeder according to claim 1, wherein the vacuum conveying automatic weighing device comprises: the vacuum conveyor I, weigh jar, material pumping fan I, weigh module, unloading export, inverter motor, turn over under the board glassware, low material level alarm switch, high material level alarm switch, silica gel hose connection pipe, unloading flap valve, electromagnetism air exhaust converter, feeding sunction inlet, exhaust pipe, exhaust filter, weigh jar main part, bleed pressure detection table, unloading vibrator, material filter, concrete structure is as follows:
an electromagnetic air exhaust converter at the top of a first vacuum conveyor is communicated with a first material exhaust fan through an air exhaust pipeline, one side surface of the first vacuum conveyor is communicated with a conveying pipeline through a feeding suction inlet, a material filter is arranged at the top in the first vacuum conveyor, a blanking flap valve is arranged at the lower outlet of the first vacuum conveyor, the bottom of the first vacuum conveyor is communicated with a weighing tank through a silica gel flexible connecting pipe, an exhaust filter is arranged at the top of a weighing tank main body of the weighing tank, a high material level alarm switch is arranged on the side surface of a cylindrical part at the upper part of the weighing tank main body of the weighing tank, a low material level alarm switch is arranged on the side surface of, the blanking vibrator is provided with a turning plate blanking device at the outlet of the bottom of the weighing tank body of the weighing tank, a variable frequency motor is arranged at one side of the turning plate blanking device, the bottom of the turning plate blanking device is communicated with a conveying pipeline through a blanking outlet, and a weighing module is arranged at the bottom of a column base of the weighing tank.
4. The feeding device for vacuum conveying automatic weighing according to claim 3, characterized in that the weighing module adopts a weighing sensor which is fixedly connected to the bottom of the column base through a bolt.
5. The vacuum conveying automatic weighing feeder according to claim 1, wherein the vacuum conveying automatic feeder comprises: vacuum conveyer two, storage tank one, screw feeder one, take out material fan two, receive material equipment one, inverter motor, reduction gear, feeding screw rod, observation window, unloading pipe, flap valve, feed inlet, electromagnetism air exhaust converter, fan exhaust line, exhaust filter, bleed pressure detection table, agitator motor, agitator reduction gear, high material level alarm switch, low material level alarm switch, knocker, concrete structure as follows:
the electromagnetic air exhaust converter at the top of the second vacuum conveyor is communicated with the second material pumping fan through a fan air exhaust pipeline, an exhaust filter is arranged on the side face of the upper portion of the second vacuum conveyor, a feeding hole and a flap valve are arranged on the side face of the middle of the second vacuum conveyor according to the upper and lower parts, the second vacuum conveyor is communicated with the first material storage tank through a feeding pipe at the bottom, a stirring motor is arranged at the top of the first material storage tank, a stirrer speed reducer and a high material level alarm switch are arranged, the stirring motor is connected with the stirrer speed reducer, a stirrer at the output end of the stirrer speed reducer extends into the first material storage tank, an observation window is arranged on the side face of the first material storage tank, the low material level alarm switch.
6. The vacuum conveying automatic weighing feeding device according to claim 5, wherein the first screw feeder is composed of a variable frequency motor, a reducer and a feeding screw, the reducer and the variable frequency motor are sequentially arranged on one side of the first screw feeder, the feeding screw is arranged in the first screw feeder, and an outlet on the other side of the first screw feeder is communicated with the first receiving device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921440000.8U CN210527857U (en) | 2019-08-30 | 2019-08-30 | Vacuum conveying and automatic weighing feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921440000.8U CN210527857U (en) | 2019-08-30 | 2019-08-30 | Vacuum conveying and automatic weighing feeding device |
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| Publication Number | Publication Date |
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| CN210527857U true CN210527857U (en) | 2020-05-15 |
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| CN201921440000.8U Active CN210527857U (en) | 2019-08-30 | 2019-08-30 | Vacuum conveying and automatic weighing feeding device |
Country Status (1)
| Country | Link |
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| CN (1) | CN210527857U (en) |
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2019
- 2019-08-30 CN CN201921440000.8U patent/CN210527857U/en active Active
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