CN108820890B - General suction device of multichannel powder granule material - Google Patents
General suction device of multichannel powder granule material Download PDFInfo
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- CN108820890B CN108820890B CN201810971290.2A CN201810971290A CN108820890B CN 108820890 B CN108820890 B CN 108820890B CN 201810971290 A CN201810971290 A CN 201810971290A CN 108820890 B CN108820890 B CN 108820890B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
- B65G53/24—Gas suction systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
- B65G53/34—Details
- B65G53/36—Arrangements of containers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Transport Of Granular Materials (AREA)
Abstract
The invention discloses a universal material sucking device for multichannel powder particles, which comprises a material sucking nozzle mechanism, a conveying hose and a discharging mechanism arranged at the top of a stirring cylinder, wherein the material sucking nozzle mechanism is provided with at least two groups, each group of material sucking nozzle mechanisms is detachably arranged on a discharging opening at the bottom of a corresponding material containing cylinder, the discharging end of each group of material sucking nozzle mechanisms is communicated with the feeding end of the discharging mechanism through the conveying hose, and the discharging end of the discharging mechanism is communicated with the inside of the stirring cylinder. The invention has reasonable structural arrangement. When sucking material, unloading, improve the conveying efficiency of powder granule, be favorable to follow-up different material misce bene degree, improve mixing efficiency, deep material's absorption is more smooth and easy, avoids deep material too close room and forms the vacuum chamber, avoids the absorption efficiency greatly reduced of powder.
Description
Technical Field
The invention relates to the technical field of powder feeding equipment, in particular to a universal suction device for multi-channel powder particles.
Background
The plastic pipe is used as an important component of chemical building materials, is widely accepted by wide users in terms of excellent performance, sanitation, environmental protection, low consumption and the like, and mainly comprises a UPVC drain pipe, a UPVC water supply pipe, an aluminum plastic composite pipe and a Polyethylene (PE) water supply pipe. The pipe production line consists of a control system, an extruder, a machine head, a shaping and cooling system, a tractor, a planetary cutting device and a material turning frame. Each pipe production line is provided with two extruders, one of which mainly adopts a strong conveying bushing and a high-efficiency screw, and the other smaller extruder is used for extruding the marking line. When the plastic pipe production line breaks down, the plastic pipe can be directly caused to have rough surface, the shaking ring is arranged in the plastic pipe, and the phenomenon of no vacuum and the like is avoided, so that the product quality can be improved only by timely eliminating the plastic pipe production line faults.
Before the plastic pipe is produced, various raw material master batches, processing aids, lubricants, antioxidants and light stabilizers are required to be uniformly mixed; the traditional manual feeding has the defects of large manpower, material resources, large resource consumption, complex process, long working period and the like. In addition, the existing feeding equipment is that one vacuum material sucking machine corresponds to one raw material bin and one mixing bin, the working efficiency of the vacuum material sucking machine cannot be fully utilized, frequent switching is needed, the loss of a vacuum pump in the vacuum material sucking machine is large, and simultaneous material sucking of a plurality of powder particles is difficult; and the suction nozzle of the existing feeding equipment is directly inserted into the powder particles, so that the phenomenon of overlarge suction resistance can be generated when the suction nozzle is inserted into deeper powder particles, and the suction speed is greatly reduced.
Disclosure of Invention
The invention aims to provide a universal suction device for multi-channel powder particles, which solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a general suction device of multichannel powder granule material, includes suction nozzle mechanism, conveying hose and installs the feed mechanism at the churn top, suction nozzle mechanism is provided with two at least groups, and the suction nozzle mechanism of every group is all detachable to be installed on the feed opening of the flourishing feed cylinder bottom that corresponds, and the discharge end of suction nozzle mechanism of every group all communicates with the feed end of feed mechanism through conveying hose, and the discharge end and the churn inside intercommunication of feed mechanism.
As a further scheme of the invention: the discharging mechanism comprises a discharging shell, at least two groups of suction discharging mechanisms corresponding to the suction nozzle mechanisms are arranged in the discharging shell, a transition vacuum cavity is formed in the top wall of the inside of the discharging shell, a vacuum pump is arranged at the top of the discharging shell, the suction end of the vacuum pump is communicated with the transition vacuum cavity, a suction port at the top of the suction discharging mechanism is communicated with the transition vacuum cavity through a transition pipeline, a switch electromagnetic valve is arranged on the transition pipeline, and the discharge end at the bottom of the suction discharging mechanism penetrates through the discharging shell and is communicated with the stirring cylinder.
As a further scheme of the invention: the suction discharging mechanism comprises a feeding bin, a buffering bin, a discharging bin and a discharging bin opening, wherein the feeding bin, the buffering bin, the discharging bin and the discharging bin opening are sequentially communicated with the stirring barrel from top to bottom, a suction feeding opening used for being connected with a conveying hose is communicated with the outer wall of the feeding bin, a suction cavity communicated with the suction opening is formed in the top of the feeding bin, and first ventilation cloth is packaged on an opening at the bottom of the suction cavity.
As a further scheme of the invention: a first pneumatic knife gate valve is arranged between the feeding bin and the buffer bin, and a second pneumatic knife gate valve is arranged on the discharging bin port; a material guide device for uniform discharging is arranged in the discharging bin.
As a further scheme of the invention: the material guide device comprises a material guide seat and a spiral discharging paddle, wherein the material guide seat is connected between a discharging bin and a discharging bin opening, a material guide gear ring is rotatably arranged in the material guide seat, a material guide motor is fixed on the outer side of the material guide seat, and the output end of the material guide motor is in meshed connection with the outer ring of the material guide gear ring through a material guide gear; the inner hole wall of the guide gear ring is connected with a central gear ring center seat through a connecting rod, the bottom shaft end of the screw blanking paddle is inserted on the gear ring center seat, the top shaft end of the screw blanking paddle is rotatably arranged on a rotating frame, and the end part of the rotating frame is fixed on the inner wall of the blanking bin.
As a further scheme of the invention: the powder suction nozzle mechanism comprises a powder suction bin arranged at the bottom of the material containing barrel and a powder suction pipe communicated with the conveying hose, a second ventilation cloth is arranged in the powder suction bin and divides the powder suction bin into a powder suction cavity above and a fluidization air guide cavity below, a powder suction inlet is arranged on the cavity wall communicated with the inside of the material containing barrel, the bottom of the powder suction pipe is inserted and extended into the powder suction cavity, a main air flow pipe used for communicating the outside with the powder suction cavity is arranged in the fluidization air guide cavity in a penetrating manner, a gap is reserved between the top opening of the main air flow pipe and the bottom opening of the powder suction pipe, and at least one fluidization air guide pipe is connected to the cavity wall of the fluidization air guide cavity.
As a further scheme of the invention: the material sucking mouth mechanism comprises an upper housing, a lower housing, a second ventilation cloth and a powder sucking pipe, wherein a first flange ring extends around the lower end of the upper housing, a second flange ring extends around the upper end of the lower housing, the first flange ring and the second flange ring are fixedly connected in a sealing way through a bolt assembly, the circumferential edge of the second ventilation cloth is clamped between the first flange ring and the second flange ring, a powder sucking cavity is formed between the upper housing and the second ventilation cloth, and a fluidization air guiding cavity is formed between the lower housing and the second ventilation cloth; the center of the upper end face of the upper housing is provided with an inserting hole, the bottom of the powder suction pipe is assembled with the inserting hole in an inserting way and communicated with the powder suction cavity, and a plurality of powder suction inlets communicated with the inside of the material containing barrel are distributed on the upper end face of the upper housing around the inserting hole; the lower end face center of the lower housing extends to form a first air flow pipe section communicated with the outside, the top end of the first air flow pipe section extends to form a first pipe ring, a second air flow pipe section is arranged right below the powder suction pipe, the bottom end of the second air flow pipe section extends to form a second pipe ring, the first pipe ring and the second pipe ring are fixedly connected in a sealing mode through a bolt assembly, and a central vent hole of the second ventilation cloth is clamped between the first pipe ring and the second pipe ring.
As a further scheme of the invention: the first air flow pipe section and the second air flow pipe section are spliced to form a main air flow pipe corresponding to the powder suction pipe, at least one fluidization air duct is connected to the peripheral outer wall of the lower housing, and the fluidization air duct is connected with the fluidization air duct through a pipeline; the bottom of the powder suction pipe is connected in a screwing way through a threaded insertion hole.
As a further scheme of the invention: the powder suction pipe is sleeved with a powder air guide cylinder, the bottom of the powder air guide cylinder extends to form a wide-mouth air guide cover corresponding to the powder suction inlet, and the side wall of the upper end of the powder air guide cylinder is connected with an air guide pipe positioned above powder.
As a further scheme of the invention: the top of the powder suction pipe is connected with the conveying hose through a connector, the upper end of the powder air guide cylinder is screwed on the outer wall of the connector through thread sealing, and the air guide direction of the air guide pipe is tangential to the circumferential outer wall of the powder air guide cylinder; the inner wall of the wide-mouth air guide cover is connected with a supporting sleeve through a connecting plate, and the supporting sleeve is movably sleeved on the circumferential outer wall of the powder suction pipe.
Compared with the prior art, the invention has the beneficial effects that: the material sucking mouth mechanisms are provided with at least two groups, the material sucking mouth mechanisms of each group are detachably arranged on the corresponding material discharging openings at the bottom of the material containing barrel, the material discharging ends of the material sucking mouth mechanisms of each group are communicated with the material feeding ends of the material discharging mechanisms through conveying hoses, and a plurality of different materials are sucked into the material discharging mechanisms by using a plurality of material sucking mouth mechanisms to suck and discharge materials, so that the conveying efficiency of powder particles is improved; in the use process, the vacuum pump can be kept in a normally open state, and the suction operation of different suction nozzle mechanisms can be realized by sequentially switching the solenoid valves, so that the loss of the vacuum pump, which is required to be continuously started and stopped, is reduced, and the work continuity of suction and discharging is good; the feeding of the feeding bin is intermittent, powder particles sucked by the feeding bin accumulate and are buffered in the buffer bin in the discharging process, and the powder particles can be uniformly added into the stirring barrel by the material guide device in the discharging bin, so that the mixing uniformity of different materials is improved, and the mixing efficiency is improved;
in the material sucking mechanism, according to the venturi tube principle, namely when air flow passes through the barrier, the air pressure on the back surface of the barrier is lower, negative pressure is formed, and the air flow and the adsorption effect can be generated; when air enters the powder suction pipe from the main air flow pipe, negative pressure is formed around a gap between the main air flow pipe and the powder suction pipe, so that powder particles in the material containing barrel are sucked into the powder suction cavity from the powder suction inlet, in addition, the fluidization air guide pipe is used for introducing partial fluidization air flow into the fluidization air guide cavity, the partial fluidization air flow enters the powder suction cavity through the second ventilation cloth to blow up the powder particles, the powder particles are in a flowing suspension state, the suspended powder particles and the air form a certain mixing ratio, and can continuously enter the powder suction pipe, and enter the powder suction mechanism along with the air flow under the action of the negative pressure, so that the structure arrangement is reasonable, the material suction efficiency is higher, the energy is more saved, and the powder particle conveying capability is better; the powder suction pipe is externally sleeved with a powder air guide cylinder, the bottom of the powder air guide cylinder corresponds to the powder suction inlet and extends to form a wide-mouth air guide cover, external air can necessarily flow into the powder suction inlet through the powder air guide cylinder in the process of sucking materials, low air pressure generated by sucking materials is further compensated, and air flow can drive peripheral materials to flow into a powder suction cavity through the flow guide of the wide-mouth air guide cover, so that deep materials are more smoothly sucked, a vacuum cavity is formed by avoiding the deep materials from being excessively closely spaced, and the suction efficiency of the powder is greatly reduced.
Drawings
FIG. 1 is a schematic structural view of a general suction device for multi-channel powder particles;
FIG. 2 is a schematic structural view of a blanking mechanism in a multi-channel powder particle universal suction device;
FIG. 3 is a schematic structural view of a material guide in a multi-channel powder particle universal suction device;
FIG. 4 is a schematic diagram of a structure in which a suction nozzle mechanism is connected with a material containing cylinder in a multi-channel powder particle material universal suction device;
FIG. 5 is a schematic view of the structure of a suction nozzle mechanism in a multi-channel powder particle universal suction device;
FIG. 6 is a schematic view of the structure of A-A in a multi-channel powder particle universal suction device;
Fig. 7 is a schematic top view of the upper housing in the multi-channel powder particle universal suction device.
In the figure: 100-charging barrel, 200-stirring barrel, 1-powder sucking bin, 11-powder sucking cavity, 12-fluidization air guide cavity, 13-main air flow pipe, 14-lower housing, 15-fluidization air guide pipe, 16-second ventilation cloth, 17-upper housing, 171-powder suction inlet, 18-plug-in hole, 19-fluidization air guide pump, 2-suction nozzle mechanism, 21-powder suction pipe, 22-powder air guide pipe, 221-air guide pipe, 222-wide-mouth air guide cover, 223-connecting plate, 224-supporting sleeve, 23-connector, 3-conveying hose, 4-suction blanking mechanism, 41-suction feed inlet, 42-feed bin, 43-suction cavity, 44-first ventilation cloth, 45-buffer bin, 451-rotating frame, 46-guide, 461-screw blanking paddle, 462-guide motor, 463-guide gear ring, 464-gear ring center seat, 465-connecting rod, 466-guide seat, 467-guide gear, 47-second pneumatic knife gate valve, 48-discharge bin, 49-first pneumatic knife gate valve, 5-blanking mechanism, 51-vacuum pump, 52-transition vacuum cavity, 53-transition pipeline, 54-switch solenoid valve, 55-blanking shell.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: the utility model provides a general suction device of multichannel powder granule material, includes suction nozzle mechanism 2, conveying hose 3 and installs the feed mechanism 5 at churn 200 top, suction nozzle mechanism 2 is provided with two at least groups, and suction nozzle mechanism 2 of every group is all detachable to be installed on the feed opening of the flourishing feed cylinder 100 bottom that corresponds, and the discharge end of suction nozzle mechanism 2 of every group all communicates with the feed end of feed mechanism 5 through conveying hose 3, and the discharge end of feed mechanism 5 communicates with churn 200 inside.
Preferably, the discharging mechanism 5 includes a discharging housing 55, at least two groups of suction discharging mechanisms 5 corresponding to the suction nozzle mechanism 2 are disposed in the discharging housing 55, a transition vacuum cavity 52 is disposed on an inner top wall of the discharging housing 55, a vacuum pump 51 is mounted on a top of the discharging housing 55, a suction end of the vacuum pump 51 is communicated with the transition vacuum cavity 52, a suction port on a top of the suction discharging mechanism 4 is communicated with the transition vacuum cavity 52 through a transition pipeline 53, a switching electromagnetic valve 54 is disposed on the transition pipeline 53, and a discharge end on a bottom of the suction discharging mechanism 4 passes through the discharging housing 55 and is communicated with the stirring drum 200.
Preferably, the suction and blanking mechanism 4 comprises a feeding bin 42, a buffer bin 45, a blanking bin and a discharging bin port 48 which are sequentially communicated with the stirring barrel 200 from top to bottom, a suction feeding port 41 used for being connected with the conveying hose 3 is communicated with the outer wall of the feeding bin 42, a suction cavity 43 communicated with the suction port is arranged at the top of the feeding bin 42, and a first ventilation cloth 44 is packaged on the bottom opening of the suction cavity 43.
Preferably, a first pneumatic knife gate valve 49 is arranged between the feeding bin 42 and the buffer bin 45, and a second pneumatic knife gate valve 47 is arranged on the discharging bin port 48; a guide 46 for uniform blanking is installed in the blanking bin.
The material guide 46 comprises a material guide seat 466 and a screw discharging paddle 461, wherein the material guide seat 466 is connected between the discharging bin and the discharging bin port 48, a material guide gear ring 463 is rotatably arranged in the material guide seat 466, a material guide motor 462 is fixed on the outer side of the material guide seat 466, and the output end of the material guide motor 462 is in meshed connection with the outer ring of the material guide gear ring 463 through a material guide gear 467; the inner hole wall of the guide gear ring 463 is connected with a central gear ring center seat 464 through a connecting rod 465, the bottom shaft end of the screw blanking paddle 461 is inserted on the gear ring center seat 464, the top shaft end of the screw blanking paddle 461 is rotatably arranged on the rotating frame 451, and the end part of the rotating frame 451 is fixed on the inner wall of the blanking bin.
Preferably, the suction nozzle mechanism 2 comprises a powder suction bin 1 arranged at the bottom of the material containing barrel 100 and a powder suction pipe 21 communicated with the conveying hose 3, a second ventilation cloth 16 is arranged in the powder suction bin 1, the second ventilation cloth 16 divides the powder suction bin 1 into a powder suction cavity 11 above and a fluidization air guide cavity 12 below, a powder suction inlet 171 is arranged on a cavity wall communicated with the interior of the material containing barrel 100, the bottom of the powder suction pipe 21 is inserted and extended into the powder suction cavity 11, a main air flow pipe 13 used for communicating the outside with the powder suction cavity 1 is arranged in the fluidization air guide cavity 12 in a penetrating manner, a gap is reserved between the top opening of the main air flow pipe 13 and the bottom opening of the powder suction pipe 21, and at least one fluidization air guide pipe 15 is connected to the cavity wall of the fluidization air guide cavity 12.
Preferably, the suction nozzle mechanism 2 comprises an upper housing 17, a lower housing 14, a second ventilation cloth 16 and a powder suction pipe 21, wherein a first flange ring extends around the lower end of the upper housing 17, a second flange ring extends around the upper end of the lower housing 14, the first flange ring and the second flange ring are fixedly connected in a sealing way through a bolt assembly, the circumferential edge of the second ventilation cloth 16 is clamped between the first flange ring and the second flange ring, a powder suction cavity 11 is formed between the upper housing 17 and the second ventilation cloth 16, and a fluidization air guide cavity 12 is formed between the lower housing 14 and the second ventilation cloth 16; the center of the upper end surface of the upper housing 17 is provided with an inserting hole 18, the bottom of the powder suction tube 21 is assembled with the inserting hole 18 in an inserting way and communicated with the powder suction cavity 11, and a plurality of powder suction inlets 171 communicated with the interior of the material containing barrel 100 are distributed on the upper end surface of the upper housing 17 around the inserting hole 18; the center of the lower end face of the lower housing 14 is extended with a first air flow pipe section communicated with the outside, the top end of the first air flow pipe section is extended with a first pipe ring, a second air flow pipe section is arranged right below the powder suction pipe 21, the bottom end of the second air flow pipe section is extended with a second pipe ring, the first pipe ring and the second pipe ring are fixedly connected in a sealing way through a bolt component, and a central vent hole of the second ventilation cloth 16 is clamped between the first pipe ring and the second pipe ring. The material suction nozzle mechanism 2 adopting the structure is convenient to assemble and assemble, has lower processing and manufacturing difficulty and is beneficial to the maintenance and replacement of later-stage parts.
Wherein, the first air flow pipe section and the second air flow pipe section are assembled to form a main air flow pipe 13 corresponding to the powder suction pipe 21, at least one fluidization air duct 15 is connected to the peripheral outer wall of the lower housing 14, and the fluidization air duct 15 is connected with the fluidization air duct 19 through a pipeline; the bottom of the powder suction pipe 21 is connected by screw fitting through a screw insertion hole. By rotating the powder suction pipe 21, the distance between the bottom of the powder suction pipe 21 and the top of the main air flow pipe 13 can be adjusted, so that the degree of negative pressure generated is controlled, and the adjustment of the powder adsorption force is realized.
Wherein, the powder suction tube 21 is externally sleeved with a powder air guide tube 22, the bottom of the powder air guide tube 22 extends to form a wide-mouth air guide cover 222 corresponding to the powder suction inlet 171, and the upper side wall of the powder air guide tube 22 is connected with an air guide tube 221 above the powder.
The top of the powder suction pipe 21 is connected with the conveying hose 3 through a connector 23, the upper end of the powder air guide cylinder 22 is screwed on the outer wall of the connector 23 through thread sealing, and the air guide direction of the air guide pipe 221 is tangential to the circumferential outer wall of the powder air guide cylinder 22; the inner wall of the wide-mouth air guide cover 222 is connected with a supporting sleeve 224 through a connecting plate 223, and the supporting sleeve 224 is movably sleeved on the circumferential outer wall of the powder suction pipe 21. The powder air cylinder 22 can be stably sleeved on the powder suction pipe 21 through the connection support of the support sleeve 224 and the connecting plate 223, so that a stable air flow channel is formed between the powder air cylinder 22 and the powder suction pipe 21.
Working principle: the material sucking mouth mechanisms 2 are provided with at least two groups, the material sucking mouth mechanisms 2 of each group are detachably arranged on the corresponding material discharging openings at the bottom of the material containing barrel 100, the material discharging ends of the material sucking mouth mechanisms 2 of each group are communicated with the material feeding ends of the material discharging mechanisms 5 through the conveying hoses 3, and meanwhile, a plurality of material sucking mouth mechanisms 2 are used for sucking a plurality of different materials into the material discharging mechanisms 5 for material sucking and discharging, so that the conveying efficiency of powder particles is improved; in the use process, the vacuum pump 51 can be kept in a normally open state, and the suction operation of different suction nozzle mechanisms 2 can be realized by sequentially switching the solenoid valves 54, so that the loss of the vacuum pump 51, which is required to be continuously started and stopped, is reduced, and the work continuity of suction and discharging is good; the feeding of the feeding bin 42 is intermittent, powder particles sucked by the feeding bin 42 accumulate and are buffered in the buffer bin 45 in the blanking process, and the powder particles are uniformly added into the stirring barrel 200 by the guide 46 in the blanking bin, so that the mixing uniformity of different subsequent materials is improved, and the mixing efficiency is improved;
In the material sucking mechanism, according to the venturi tube principle, namely when air flow passes through the barrier, the air pressure on the back surface of the barrier is lower, negative pressure is formed, and the air flow and the adsorption effect can be generated; when air enters the powder suction pipe 21 from the main air flow pipe 13, negative pressure is formed around a gap between the main air flow pipe 13 and the powder suction pipe 21, so that powder particles in the material containing barrel 100 are sucked into the powder suction cavity 11 from the powder suction inlet 171, in addition, meanwhile, partial fluidization air flow is introduced into the fluidization air guide cavity 12 through the fluidization air guide pipe 15, and enters the powder suction cavity 11 through the second ventilation cloth 16 to blow up the powder particles, so that the powder particles are in a flowing suspension state, and the suspended powder particles and the air form a certain mixing ratio, namely can continuously enter the powder suction pipe 21, and enter the interior of the material suction mechanism 5 along with the air flow under the action of the negative pressure; the powder suction pipe 21 is externally sleeved with the powder air guide cylinder 22, the bottom of the powder air guide cylinder 22 extends to form a wide-mouth air guide cover 222 corresponding to the powder suction inlet 171, external air inevitably flows into the powder suction inlet 171 through the powder air guide cylinder 22 in the material suction process, the low air pressure generated by material suction is further compensated, peripheral materials are driven to flow into the powder suction cavity 11 by air flow through the flow guide of the wide-mouth air guide cover 222, the deep materials are more smoothly sucked, a vacuum cavity is formed by the deep materials due to the fact that the deep materials are too closely spaced is avoided, and the suction efficiency of the powder is greatly reduced.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. The utility model provides a general suction device of multichannel powder granule material, includes suction nozzle mechanism, conveying hose and installs the unloading mechanism at churn top, its characterized in that: the material sucking mouth mechanisms are provided with at least two groups, the material sucking mouth mechanisms of each group are detachably arranged on the corresponding material discharging openings at the bottom of the material containing barrel, the material discharging ends of the material sucking mouth mechanisms of each group are communicated with the material feeding ends of the material discharging mechanisms through conveying hoses, and the material discharging ends of the material discharging mechanisms are communicated with the inside of the stirring barrel;
The discharging mechanism comprises a discharging shell, at least two groups of suction discharging mechanisms corresponding to the suction nozzle mechanisms are arranged in the discharging shell, a transition vacuum cavity is formed in the top wall of the inside of the discharging shell, a vacuum pump is arranged at the top of the discharging shell, the suction end of the vacuum pump is communicated with the transition vacuum cavity, a suction port at the top of the suction discharging mechanism is communicated with the transition vacuum cavity through a transition pipeline, a switch electromagnetic valve is arranged on the transition pipeline, and a discharge end at the bottom of the suction discharging mechanism passes through the discharging shell and is communicated with the stirring cylinder;
the suction discharging mechanism comprises a feeding bin, a buffer bin, a discharging bin and a discharging bin port, wherein the feeding bin, the buffer bin, the discharging bin and the discharging bin port are sequentially communicated with the stirring barrel from top to bottom, a suction feeding port used for being connected with a conveying hose is communicated with the outer wall of the feeding bin, a suction cavity communicated with the suction port is arranged at the top of the feeding bin, and a first ventilation cloth is packaged on an opening at the bottom of the suction cavity;
a first pneumatic knife gate valve is arranged between the feeding bin and the buffer bin, and a second pneumatic knife gate valve is arranged on the discharging bin port; a material guide device for uniformly discharging is arranged in the discharging bin;
The material guide device comprises a material guide seat and a spiral discharging paddle, wherein the material guide seat is connected between a discharging bin and a discharging bin opening, a material guide gear ring is rotatably arranged in the material guide seat, a material guide motor is fixed on the outer side of the material guide seat, and the output end of the material guide motor is in meshed connection with the outer ring of the material guide gear ring through a material guide gear; the inner hole wall of the guide gear ring is connected with a central gear ring center seat through a connecting rod, the bottom shaft end of the screw blanking paddle is inserted on the gear ring center seat, the top shaft end of the screw blanking paddle is rotatably arranged on a rotating frame, and the end part of the rotating frame is fixed on the inner wall of the blanking bin;
The powder suction nozzle mechanism comprises a powder suction bin arranged at the bottom of the material containing barrel and a powder suction pipe communicated with the conveying hose, a second ventilation cloth is arranged in the powder suction bin and divides the powder suction bin into a powder suction cavity above and a fluidization air guide cavity below, a powder suction inlet is arranged on the cavity wall communicated with the inside of the material containing barrel, the bottom of the powder suction pipe is inserted and extended into the powder suction cavity, a main air flow pipe used for communicating the outside with the powder suction cavity is arranged in the fluidization air guide cavity in a penetrating manner, a gap is reserved between the top opening of the main air flow pipe and the bottom opening of the powder suction pipe, and at least one fluidization air guide pipe is connected to the cavity wall of the fluidization air guide cavity.
2. The universal suction device for multi-channel powder particles according to claim 1, wherein: the material sucking mouth mechanism comprises an upper housing, a lower housing, a second ventilation cloth and a powder sucking pipe, wherein a first flange ring extends around the lower end of the upper housing, a second flange ring extends around the upper end of the lower housing, the first flange ring and the second flange ring are fixedly connected in a sealing way through a bolt assembly, the circumferential edge of the second ventilation cloth is clamped between the first flange ring and the second flange ring, a powder sucking cavity is formed between the upper housing and the second ventilation cloth, and a fluidization air guiding cavity is formed between the lower housing and the second ventilation cloth; the center of the upper end face of the upper housing is provided with an inserting hole, the bottom of the powder suction pipe is assembled with the inserting hole in an inserting way and communicated with the powder suction cavity, and a plurality of powder suction inlets communicated with the inside of the material containing barrel are distributed on the upper end face of the upper housing around the inserting hole; the lower end face center of the lower housing extends to form a first air flow pipe section communicated with the outside, the top end of the first air flow pipe section extends to form a first pipe ring, a second air flow pipe section is arranged right below the powder suction pipe, the bottom end of the second air flow pipe section extends to form a second pipe ring, the first pipe ring and the second pipe ring are fixedly connected in a sealing mode through a bolt assembly, and a central vent hole of the second ventilation cloth is clamped between the first pipe ring and the second pipe ring.
3. A multi-channel powder particulate material universal suction device as claimed in claim 2, wherein: the first air flow pipe section and the second air flow pipe section are spliced to form a main air flow pipe corresponding to the powder suction pipe, at least one fluidization air duct is connected to the peripheral outer wall of the lower housing, and the fluidization air duct is connected with the fluidization air duct through a pipeline; the bottom of the powder suction pipe is connected in a screwing way through a threaded insertion hole.
4. A multi-channel powder particulate material universal suction device according to claim 3, wherein: the powder suction pipe is sleeved with a powder air guide cylinder, the bottom of the powder air guide cylinder extends to form a wide-mouth air guide cover corresponding to the powder suction inlet, and the side wall of the upper end of the powder air guide cylinder is connected with an air guide pipe positioned above powder.
5. The universal suction device for multi-channel powder particles according to claim 4, wherein: the top of the powder suction pipe is connected with the conveying hose through a connector, the upper end of the powder air guide cylinder is screwed on the outer wall of the connector through thread sealing, and the air guide direction of the air guide pipe is tangential to the circumferential outer wall of the powder air guide cylinder; the inner wall of the wide-mouth air guide cover is connected with a supporting sleeve through a connecting plate, and the supporting sleeve is movably sleeved on the circumferential outer wall of the powder suction pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN109939819A (en) * | 2019-03-29 | 2019-06-28 | 佛山市霍普除铁设备制造有限公司 | Ultrafine powder iron removal system |
| CN111115273B (en) * | 2019-12-26 | 2021-05-18 | 濉溪初新工业设计有限公司 | A vacuum feeder suction gun mechanism for conveying powder |
| CN112224915B (en) * | 2020-08-28 | 2022-02-11 | 苏州科舵工程技术有限公司 | Full-automatic powder conveying equipment |
| CN113304861B (en) * | 2021-06-10 | 2023-07-28 | 湖北高磁新材料科技有限公司 | Feeding device for double-cylinder vibrating mill in soft magnetic ferrite production |
| CN113635454B (en) * | 2021-07-21 | 2023-03-28 | 湖北望新建设有限公司 | Negative pressure feeding mechanism for slurry mixing |
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