CN111348441B - Double-piston pneumatic conveyor - Google Patents
Double-piston pneumatic conveyor Download PDFInfo
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- CN111348441B CN111348441B CN202010168330.7A CN202010168330A CN111348441B CN 111348441 B CN111348441 B CN 111348441B CN 202010168330 A CN202010168330 A CN 202010168330A CN 111348441 B CN111348441 B CN 111348441B
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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
- B65G53/40—Feeding or discharging devices
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Abstract
The invention provides a double-piston pneumatic conveyor, which relates to the technical field of pneumatic injection devices and comprises a rack, a rotor mechanism, an upper cylinder mechanism, a lower cylinder mechanism, a piston driving mechanism and a hydraulic mechanism. The hydraulic mechanism is arranged at the rear side of the underframe, the rotor mechanism is fixed at the front side of the underframe, the lower cylinder mechanism is arranged above the rotor mechanism, the upper cylinder mechanism is arranged above the lower cylinder mechanism, and the hopper is arranged above the upper cylinder of the upper cylinder mechanism. The upper cylinder mechanism and the lower cylinder mechanism are arranged in the same direction, and the piston driving mechanism drives the two cylinder mechanisms simultaneously, so that the upper sealing piston and the lower sealing piston are alternately positioned at sealing positions. The rotor mechanism continuously sprays the materials of each bin in the rotating process of the rotor. The pneumatic conveyor solves the contradiction that the rotor and the piston need to push materials and realize sealing, reduces the friction between the materials and the sealing piston, improves the sealing effect and the injection distance, reduces dust in the conveying process, and prolongs the service life.
Description
Technical Field
The invention relates to the technical field of pneumatic injection devices, in particular to a double-piston type pneumatic conveyor.
Background
Pneumatic conveying equipment is commonly used in chemical industry, mines and underground coal mines, and materials such as powder, fine particles and the like are conveyed inside a pipeline under the action of compressed air; in recent years, a conveyor is also used for drilling and pressure relief of a coal wall in an underground coal mine, but most of traditional pneumatic conveying equipment has the problems of high abrasion, short conveying distance, large conveying dust and the like. The sealing of the pneumatic conveyor is mainly realized by a pushing piston, but the pushing piston is not tightly sealed after being rubbed with materials for a long time, so that the injection distance is reduced, the problem of large dust amount still exists when materials which are easy to generate dust are conveyed, and the structure of the injection machine needs to be further simplified.
Disclosure of Invention
The invention provides a double-piston type pneumatic conveyor, which aims to solve the contradiction that a rotor or a piston of a traditional injection machine needs to push materials and seal, reduce the friction of a sealing piston, improve the sealing effect, reduce guniting dust and prolong the service life of equipment. The specific technical scheme is as follows.
A double-piston pneumatic conveyor comprises a rack, a rotor mechanism, an upper cylinder mechanism, a lower cylinder mechanism, a piston driving mechanism and a hydraulic mechanism, wherein the hydraulic mechanism is arranged on the rear side of an underframe, and the rotor mechanism is fixed on the front side of the underframe; the rotor mechanism is used for spraying concrete, and the hydraulic mechanism is used for realizing hydraulic drive; the lower cylinder mechanism is arranged above the rotor mechanism, the upper cylinder mechanism is arranged above the lower cylinder mechanism, and the hopper is arranged above the upper cylinder of the upper cylinder mechanism; the hopper is fixedly connected with an upper cylinder of the upper cylinder mechanism, the upper cylinder is communicated with an upper box body, the lower part of the upper box body is connected with a lower cylinder, the lower cylinder is connected with a lower box body, and the lower box body is arranged above a rotor shell of the rotor mechanism; the piston driving structure is provided with a wheel groove, and the mounting positions of the upper pushing roller and the lower pushing roller are opposite up and down in the wheel groove.
Preferably, the rotor mechanism comprises a rotor shell, a rotor, a conical distributor, an air inlet, a discharge port, shell supporting legs and a driving mechanism, the driving mechanism comprises a driving motor, a gear box and a motor seat, the rotor shell is fixed above the gear box through the shell supporting legs, the rotor is arranged in the rotor shell and connected with an output shaft of the gear box, and the conical distributor is arranged above the rotor; a first sealing seat is further arranged between the rotor shell and the output shaft of the gear box, a 0-shaped sealing ring is arranged in the first sealing seat, a discharge port is arranged at the bottom of the rotor shell, and an air inlet is further formed above the rotor shell on the same side as the discharge port; the input end of the gear box is fixedly arranged on the motor seat, and the motor output shaft and the gear box input shaft are sleeved through a spline.
Preferably, the rotor is annular, a plurality of partition plates are uniformly arranged along the radius of the rotor, a plurality of material cavities are formed between the partition plates, and openings are formed in the lower side of the material cavities; the air inlet is provided with an air inlet device, the air inlet device extends into the rotor shell, and the air outlet of the air inlet device is the same as the material groove on the rotor in shape.
Preferably, the upper cylinder mechanism comprises an upper pushing rod, an upper box body, an upper cylinder, an upper sealing piston, an upper pushing piston, a material blocking sheet and an exhaust device, the upper box body and the lower cylinder are fixedly connected through a mounting flange, the upper cylinder is communicated with the upper box body, and the exhaust device is arranged at the end part of the upper box body; the front end of the upper pushing rod is coaxially provided with a pushing piston, the front end of the upper pushing piston is coaxially provided with an upper connecting shaft, the front end of the upper connecting shaft is fixedly provided with an upper sealing piston, and the front end of the upper sealing piston is fixedly provided with an exhaust rod along the axis; the upper connecting shaft is also coaxially provided with a plurality of material blocking pieces, and the end part of the upper pushing rod is also provided with an upper pushing roller.
It is also preferable that the exhaust device comprises an exhaust flange, an exhaust pipe and an exhaust seat, wherein the exhaust flange is fixed at the end part of the upper box body, and the exhaust pipe is communicated with the upper box body; the exhaust pipe penetrates through the exhaust flange and the exhaust seat, and the exhaust piston is arranged in the exhaust pipe; the exhaust pipe is provided with a plurality of inner exhaust holes, and the exhaust seat is provided with an outer exhaust hole.
Preferably, the lower cylinder mechanism comprises a lower pushing rod, a lower box body, a lower cylinder, a lower sealing piston, a lower pushing piston, a second sealing seat, a material collecting box and an exhaust device, wherein a lower opening of the lower box body is fixedly connected with the rotor shell, the second sealing seat is installed on one side of the lower box body, and the lower cylinder and the material collecting box are sequentially installed on the other side of the lower box body; the front end of the lower pushing rod is coaxially provided with a lower sealing piston, the front end of the lower sealing piston is coaxially provided with a lower connecting shaft, the front end of the lower connecting shaft informs the lower pushing piston to be arranged, and the end part of the lower pushing rod is also provided with a lower pushing roller.
Still preferably, the piston driving mechanism includes a sheave frame, a sheave and a sheave motor, the sheave frame is fixed on the same side of the upper cylinder mechanism and the lower cylinder mechanism, the sheave motor is mounted on the sheave frame, an output shaft of the sheave motor is connected with the sheave, and the upper pushing roller and the lower pushing roller are fixed in a through groove along the sheave.
Still preferably, the logical groove symmetrical arrangement on the sheave, logical groove include last parallel section, lower parallel section and slope section, go up parallel section and lower parallel section and set up at the axial both ends of sheave and along the circumference of sheave respectively, and the slope section intercommunication goes up parallel section and lower parallel section.
Further preferably, when the double-piston pneumatic conveyor works, the sheave motor drives the sheave to rotate, the upper push rod drives the upper sealing piston to seal the position between the upper cylinder and the upper box body, the material in the hopper falls into the upper cylinder, and the lower push rod drives the lower push piston to push the material in the lower cylinder to the lower box body; the wheel groove continues to rotate, the upper pushing rod drives the upper pushing piston to push the material in the upper cylinder barrel to the upper box body and fall into the lower cylinder barrel, the exhaust piston of the exhaust device is opened to complete exhaust, and at the moment, the lower pushing rod drives the sealing piston to seal the position between the lower cylinder barrel and the lower box body; the material falls into the rotor shell from the lower box body, falls into the material cavity of the rotor through the conical distributor and rotates along with the rotor mechanism, and the material in the material cavity is continuously sprayed and conveyed through the discharge hole.
The double-piston pneumatic conveyor provided by the invention has the beneficial effects that:
(1) the conveyer is driven by the piston driving mechanism, the structure of the conveyer is simplified, in addition, the assembly structure of the rotor mechanism, the upper cylinder mechanism, the lower cylinder mechanism and the hydraulic mechanism is compact, the upper cylinder mechanism and the lower cylinder mechanism are matched with each other through the piston driving mechanism, the sealing in the feeding process is realized, the dust production is reduced, and the spraying distance is increased.
(2) The pushing piston and the sealing piston of the conveyor are separated, so that the contact distance between the piston and the cylinder barrel and between the piston and the material is shortened, the sealing of the piston is reduced, and the service life of the piston is prolonged; the material blocking pieces ensure the ordered feeding of the hopper, and the material in the hopper is prevented from directly entering the lower cylinder barrel; the material collecting box is arranged to form a sealed space, and can also collect less materials carried by the lower material pushing piston.
(3) When the pneumatic conveyor works, one of the sealing pistons is always in a sealing state, so that the whole sealing of the equipment is ensured, dust is prevented from escaping, and the sealing performance is ensured to improve the conveying distance; the conical distributor distributes the falling materials into each material cavity of the rotor, so that the continuity of concrete conveying and guniting is realized, and guniting pulses are reduced.
Drawings
FIG. 1 is a schematic structural view of a dual piston pneumatic conveyor;
FIG. 2 is a schematic view of a part of a double-piston pneumatic conveyor;
FIG. 3 is a schematic view of the interior of a portion of a dual piston pneumatic conveyor;
FIG. 4 is a schematic view of a rotor mechanism;
FIG. 5 is a schematic view of a rotor housing construction;
FIG. 6 is a schematic view of the air intake device;
FIG. 7 is a schematic view of the structure of the rotor;
FIG. 8 is a partial structural view of the lower cylinder mechanism;
FIG. 9 is a schematic sectional view of the lower cylinder mechanism;
FIG. 10 is a partial structural schematic view of the upper cylinder mechanism;
FIG. 11 is a schematic sectional view of the upper cylinder mechanism;
FIG. 12 is a schematic cross-sectional view of an exhaust apparatus;
FIG. 13 is a schematic view of the exhaust pipe structure;
FIG. 14 is a schematic view of a piston drive mechanism;
figure 15 is a schematic of the construction of the sheave;
in the figure: 1-a frame, 2-a rotor mechanism, 3-a lower cylinder mechanism, 4-an upper cylinder mechanism, 5-a hopper, 6-a piston driving mechanism and 7-a hydraulic mechanism;
201-gearbox, 202-motor seat, 203-drive motor, 204-shell support leg, 205-conical distributor, 206-air inlet, 207-rotor, 208-rotor shell, 209-first sealing seat, 210-discharge outlet, 211-air inlet mounting seat, 212-mounting plate, 213-air outlet, 214-material cavity;
301-lower pushing rollers, 302-lower roller mounting seats, 303-linear bearings, 304-second sealing seats, 305-lower box bodies, 306-lower cylinder barrels, 307-material collecting boxes, 308-lower pushing pistons, 309-lower connecting shafts, 310-lower sealing pistons and 311-lower pushing rods;
401-upper pushing rollers, 402-upper roller mounting seats, 403-upper pushing rods, 404-upper pushing pistons, 405-upper connecting shafts, 406-upper sealing pistons, 407-exhaust rods, 408-material blocking pieces, 409-upper cylinders, 410-upper boxes and 411-exhaust devices;
411-1 exhaust flange, 411-2 exhaust seat, 411-3 exhaust pipe and 411-4 exhaust piston; 411-5 inner vent holes; 411 to 6 outer vent holes;
601-sheave frame, 602-sheave, 603-sheave motor.
Detailed Description
As shown in fig. 1 to 15, the present invention provides a dual piston pneumatic conveyor in the following embodiments.
A double-piston pneumatic conveyor comprises a frame 1, a rotor mechanism 2, an upper cylinder mechanism 4, a lower cylinder mechanism 3, a piston driving mechanism 6 and a hydraulic mechanism 7. The frame 1 is used for bearing the structure of the pneumatic conveyor and assisting the pneumatic conveyor to walk, the cylinder barrel mechanisms which are arranged in parallel up and down are used for controlling materials to be supplied to the rotor mechanism 2, and particularly the sealing design of the upper cylinder barrel mechanism and the lower cylinder barrel mechanism in the working process realizes good sealing and prolongs the service life of equipment; the rotor mechanism 2 is used for uniformly distributing materials and realizing continuous conveying of concrete, pulse is reduced, and the hydraulic mechanism 7 provides power for all working parts of the equipment. The conveyor can be used in chemical engineering, mines and coal mines, and materials such as powder, fine particles and the like are conveyed inside the pipeline under the action of compressed air.
The hydraulic mechanism 7 is used for realizing hydraulic drive, the hydraulic mechanism 7 is arranged on the rear side of the rack, liquid supply is realized through components such as an oil tank and an oil pump motor, and the oil tank and the oil pump motor are respectively arranged on the left side and the right side of the rear end of the underframe. The rotor mechanism 2 is used for spraying concrete and is fixed to the front side of the chassis and sprays material from below the front of the conveyor. The lower cylinder mechanism 3 is disposed above the rotor mechanism, the upper cylinder mechanism 4 is disposed above the lower cylinder mechanism, and the hopper is mounted above the upper cylinder of the upper cylinder mechanism. The hopper 5 is fixedly connected with the upper cylinder of the upper cylinder mechanism 4, and can be connected through a flange or welded, the upper cylinder 409 is communicated with an upper box body 410, the lower part of the upper box body 410 is connected with a lower cylinder 306, the lower cylinder 306 is connected with a lower box body 305, and the lower box body 305 is arranged above and communicated with a rotor shell 208 of the rotor mechanism. The piston driving structure is provided with a wheel groove 602, and the mounting positions of the upper pushing roller 401 and the lower pushing roller 301 are opposite up and down in the wheel groove, so that the telescopic directions of the upper pushing roller and the lower pushing roller are opposite. Frame 1 includes chassis and walking wheel, and the walking wheel sets up in the bottom of chassis, can set up 1 walking wheel respectively in the four corners position of chassis, and the chassis can use steel welding preparation, and the walking wheel can select suitable walking wheel structure according to service environment.
The rotor mechanism 2 comprises a rotor housing 208, a rotor 207, a conical distributor 205, an air inlet 206, a discharge port 210, housing legs 204 and a driving mechanism, wherein the driving mechanism comprises a driving motor 203, a gear box 201 and a motor base 202, the rotor housing 208 is fixed above the gear box through the housing legs, the rotor 207 is arranged in the rotor housing 208 and connected with an output shaft of the gear box 201, and the conical distributor 205 is arranged above the rotor. A first sealing seat is further arranged between the rotor shell 208 and the output shaft of the gear box 201, a 0-shaped sealing ring is arranged inside the first sealing seat 304, a discharge port is arranged at the bottom of the rotor shell 208, and an air inlet is further arranged above the rotor shell on the same side as the discharge port 210. The input end of the gear box 201 is fixedly arranged on the motor base 202, and the output shaft of the motor and the input shaft of the gear box are sleeved through a spline. Wherein rotor 207 wholly is the annular, evenly arranges a plurality of baffles along the annular, and the baffle is arranged along the radius of rotor, forms a plurality of material chambeies 214 between the baffle, and material chamber 214 downside opening, the through-hole in the middle of the rotor 207 are the mounting hole, and mounting hole and gear box output shaft cooperation installation, this mounting hole can be oblate, and the output shaft of gear box 201 also is the oblate form. In addition, the rotor housing 208 is integrally cylindrical, a fixing plate is arranged at the lower side of the rotor housing, and a sealing hole and a discharge hole are formed in the fixing plate; the side surface of the rotor shell 208 is provided with an air inlet mounting seat, the air inlet mounting seat is used for fixedly mounting an air inlet device, the air inlet device comprises a mounting plate 212 and an air outlet 213, the mounting plate and the air inlet mounting seat are mutually matched and mounted, the air outlet 213 part of the air inlet device extends into the rotor shell, and the shape of the air outlet is the same as the outline shape of the rotor material cavity 214, so that the injection feeding is facilitated.
The upper cylinder mechanism 4 comprises an upper push rod 403, an upper box body 410, an upper cylinder 409, an upper sealing piston 406, an upper pushing piston 404, a material blocking sheet 408 and an exhaust device 411, the upper box body and the lower cylinder are fixedly connected through a mounting flange, the upper cylinder is communicated with the upper box body, and the end part of the upper box body is provided with the exhaust device. The front end of the upper pushing rod is coaxially provided with a pushing piston, the front end of the upper pushing piston is coaxially provided with an upper connecting shaft, the front end of the upper connecting shaft is fixedly provided with an upper sealing piston, and the front end of the upper sealing piston is fixedly provided with an exhaust rod along the axis; the upper pushing piston is matched with the upper cylinder barrel to slide along the inner wall of the upper cylinder barrel, the sealing position of the upper sealing piston is at the joint position of the upper cylinder barrel and the upper box body, and the upper sealing piston enters the upper box body when being opened, so that the upper sealing piston is rarely contacted with materials, and contact abrasion is avoided. The upper connecting shaft is also coaxially provided with a plurality of material blocking pieces, the end part of the upper pushing rod is also provided with an upper pushing roller, and the material blocking pieces can be used for placing materials to directly enter the upper box body from the hopper. The exhaust device 411 comprises an exhaust flange 411-1, an exhaust pipe 411-3 and an exhaust seat 411-2, wherein the exhaust flange 411-1 is fixed at the end part of the upper box body, and the exhaust pipe is communicated with the upper box body. The exhaust pipe passes through the exhaust flange and the exhaust seat, and the exhaust piston 411-4 is disposed in the exhaust pipe. The exhaust pipe is provided with a plurality of inner exhaust holes 411-5, and the exhaust seat is provided with outer exhaust holes. The exhaust rod is connected with the exhaust piston, the exhaust piston is pushed by the exhaust rod during exhaust, the exhaust piston moves, and after gas enters the exhaust pipe from the upper box body, the gas enters the exhaust seat through the inner exhaust hole in the exhaust pipe and is finally discharged through the outer exhaust hole 411-6 of the exhaust seat.
The lower cylinder mechanism 3 includes a lower push rod 311, a lower case 305, a lower cylinder 306, a lower seal piston 310, a lower push piston 308, a second seal holder 304, and a header tank 307. The lower opening of the lower box body is fixedly connected with the rotor shell and can be connected through a flange, a second sealing seat is installed on one side of the lower box body, a lower pushing rod penetrates through the second sealing seat and moves along the axis, a linear bearing is further arranged on the axis of the second sealing seat, and a lower cylinder and a material collecting box are sequentially installed on the other side of the second sealing seat. The front end of the lower pushing rod is coaxially provided with a lower sealing piston, the front end of the lower sealing piston is coaxially provided with a lower connecting shaft, the front end of the lower connecting shaft informs the lower pushing piston to be arranged, the end part of the lower pushing rod is also provided with a lower pushing roller, the lower pushing roller is arranged on a lower roller mounting seat, the lower pushing roller is provided with a roller, and the axis direction of the roller is vertical to the axis of the lower pushing rod. The lower sealing piston is in the joint position of the lower box body and the lower cylinder barrel, and enters the lower box body when being opened, so that the lower sealing piston is rarely contacted with materials, and contact wear is avoided.
The piston driving mechanism comprises a wheel groove frame 601, a sheave 602 and a sheave motor 603, the sheave frame 601 is fixed on the same side of the upper cylinder mechanism 4 and the lower cylinder mechanism 3, the sheave motor 603 is installed on the sheave frame 601, an output shaft of the sheave motor is connected with the sheave, the upper pushing roller and the lower pushing roller are fixed in a through groove along the wheel groove, and the upper pushing roller 401 and the lower pushing roller 301 respectively move in an axial telescopic manner along with the rotation of the wheel groove 602. Wherein logical groove symmetrical arrangement on the sheave down, logical groove include last parallel section, parallel section and slope section down, go up parallel section and parallel section down and set up at the axial both ends of sheave respectively and be on a parallel with the circumference of sheave, the slope section intercommunication goes up parallel section and parallel section down. When the upper pushing roller or the lower pushing roller respectively moves in the upper parallel section and the lower parallel section, the upper sealing piston is in a sealing position, the lower sealing piston is opened, the upper pushing rod does not move when the upper pushing roller moves in the upper parallel section, and the upper pushing rod moves along the axis direction of the upper pushing rod when the upper pushing roller enters the inclined section.
When the double-piston pneumatic conveyor works, the sheave motor drives the sheave to rotate, the upper push rod drives the upper sealing piston to seal the position between the upper cylinder barrel and the upper box body, the material in the hopper falls into the upper cylinder barrel, and the lower push rod drives the lower push piston to push the material in the lower cylinder barrel to the lower box body; the wheel groove continues to rotate, the upper pushing rod drives the upper pushing piston to push the material in the upper cylinder barrel to the upper box body and fall into the lower cylinder barrel, the exhaust piston of the exhaust device is opened to complete exhaust, and at the moment, the lower pushing rod drives the sealing piston to seal the position between the lower cylinder barrel and the lower box body; the material falls into the rotor shell from the lower box body, falls into the material cavity of the rotor through the conical material distributor, rotates along with the rotor mechanism, and is continuously sprayed and conveyed through the discharge port.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (8)
1. A double-piston pneumatic conveyor is characterized by comprising a rack, a rotor mechanism, an upper cylinder mechanism, a lower cylinder mechanism, a piston driving mechanism and a hydraulic mechanism, wherein the hydraulic mechanism is arranged on the rear side of an underframe, and the rotor mechanism is fixed on the front side of the underframe; the rotor mechanism is used for spraying concrete, and the hydraulic mechanism is used for realizing hydraulic drive; the lower cylinder mechanism is arranged above the rotor mechanism, the upper cylinder mechanism is arranged above the lower cylinder mechanism, and the hopper is arranged above the upper cylinder of the upper cylinder mechanism; the hopper is fixedly connected with an upper cylinder of the upper cylinder mechanism, the upper cylinder is communicated with an upper box body, the lower part of the upper box body is connected with a lower cylinder, the lower cylinder is connected with a lower box body, and the lower box body is arranged above a rotor shell of the rotor mechanism; the piston driving structure is provided with a wheel groove, and the mounting positions of the upper pushing roller and the lower pushing roller are opposite up and down in the wheel groove;
the upper cylinder mechanism comprises an upper pushing rod, an upper box body, an upper cylinder, an upper sealing piston, an upper pushing piston, a material blocking sheet and an exhaust device, the upper box body and the lower cylinder are fixedly connected through a mounting flange, the upper cylinder is communicated with the upper box body, and the exhaust device is arranged at the end part of the upper box body; an upper pushing piston is coaxially arranged at the front end of the upper pushing rod, an upper connecting shaft is coaxially arranged at the front end of the upper pushing piston, an upper sealing piston is fixedly arranged at the front end of the upper connecting shaft, and an exhaust rod is fixed at the front end of the upper sealing piston along the axis; the upper connecting shaft is also coaxially provided with a plurality of material blocking pieces, and the end part of the upper pushing rod is also provided with an upper pushing roller.
2. The dual piston pneumatic conveyor of claim 1, wherein the rotor mechanism includes a rotor housing, a rotor, a conical distributor, an air inlet, an air outlet, housing legs, and a driving mechanism, the driving mechanism includes a driving motor, a gear box, and a motor base, the rotor housing is fixed above the gear box by the housing legs, the rotor is in the rotor housing and connected with an output shaft of the gear box, the conical distributor is disposed above the rotor; a first sealing seat is further arranged between the rotor shell and the output shaft of the gear box, a 0-shaped sealing ring is arranged in the first sealing seat, a discharge port is arranged at the bottom of the rotor shell, and an air inlet is further formed above the rotor shell on the same side as the discharge port; the input end of the gear box is fixedly arranged on the motor seat, and the motor output shaft and the gear box input shaft are sleeved through a spline.
3. The dual piston pneumatic conveyor of claim 2, wherein the rotor is annular, a plurality of baffle plates are uniformly arranged along the radius of the rotor, a plurality of material cavities are formed between the baffle plates, and openings are arranged at the lower sides of the material cavities; the air inlet is provided with an air inlet device, the air inlet device comprises a mounting plate and an air outlet, the mounting plate and the air inlet mounting seat are mounted in a matched mode, the air outlet of the air inlet device partially extends into the rotor shell, and the shape of the air outlet is the same as the outline shape of the rotor material cavity.
4. The dual piston pneumatic conveyor of claim 1, wherein the exhaust means comprises an exhaust flange, an exhaust pipe and an exhaust seat, the exhaust flange is fixed at the end of the upper box body, and the exhaust pipe is communicated with the upper box body; the exhaust pipe penetrates through the exhaust flange and the exhaust seat, and the exhaust piston is arranged in the exhaust pipe; the exhaust pipe is provided with a plurality of inner exhaust holes, and the exhaust seat is provided with an outer exhaust hole.
5. The dual-piston pneumatic conveyor according to claim 1, wherein the lower cylinder mechanism comprises a lower push rod, a lower box, a lower cylinder, a lower seal piston, a lower push piston, a second seal seat and a material collection box, a lower opening of the lower box is fixedly connected with the rotor housing, the second seal seat is installed on one side of the lower box, and the lower cylinder and the material collection box are sequentially installed on the other side of the lower box; the front end of the lower pushing rod is coaxially provided with a lower sealing piston, the front end of the lower sealing piston is coaxially provided with a lower connecting shaft, the front end of the lower connecting shaft informs the lower pushing piston to be arranged, and the end part of the lower pushing rod is also provided with a lower pushing roller.
6. The dual piston pneumatic conveyor of claim 5, wherein the piston driving mechanism includes a sheave frame, a sheave and a sheave motor, the sheave frame is fixed on the same side of the upper cylinder mechanism and the lower cylinder mechanism, the sheave motor is mounted on the sheave frame, an output shaft of the sheave motor is connected to the sheave, and the upper pushing roller and the lower pushing roller are fixed in a through groove along the sheave.
7. The dual piston pneumatic conveyor of claim 6, wherein the through slots on the sheave are symmetrically arranged, each through slot includes an upper parallel section, a lower parallel section and an inclined section, the upper parallel section and the lower parallel section are respectively disposed at two axial ends of the sheave and along the circumference of the sheave, and the inclined section communicates the upper parallel section and the lower parallel section.
8. The dual-piston pneumatic conveyor as claimed in claim 6, wherein when the dual-piston pneumatic conveyor is operated, the sheave motor drives the sheave to rotate, the upper push rod drives the upper sealing piston to seal the position between the upper cylinder and the upper box, the material in the hopper falls into the upper cylinder, and the lower push rod drives the lower push piston to push the material in the lower cylinder to the lower box; the wheel groove continues to rotate, the upper pushing rod drives the upper pushing piston to push the material in the upper cylinder barrel to the upper box body and fall into the lower cylinder barrel, the exhaust piston of the exhaust device is opened to complete exhaust, and at the moment, the lower pushing rod drives the sealing piston to seal the position between the lower cylinder barrel and the lower box body; the material falls into the rotor shell from the lower box body, falls into the material cavity of the rotor through the conical distributor and rotates along with the rotor mechanism, and the material in the material cavity is continuously sprayed and conveyed through the discharge hole.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010168330.7A CN111348441B (en) | 2020-03-12 | 2020-03-12 | Double-piston pneumatic conveyor |
| PCT/CN2020/127411 WO2021179646A1 (en) | 2020-03-12 | 2020-11-09 | Double piston type pneumatic conveyor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010168330.7A CN111348441B (en) | 2020-03-12 | 2020-03-12 | Double-piston pneumatic conveyor |
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| CN111348441A CN111348441A (en) | 2020-06-30 |
| CN111348441B true CN111348441B (en) | 2021-03-30 |
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| CN111348441B (en) * | 2020-03-12 | 2021-03-30 | 山东科技大学 | Double-piston pneumatic conveyor |
| CN113650166A (en) * | 2021-08-30 | 2021-11-16 | 嘉兴创奇环保材料有限公司 | Preparation of regeneration vegetation concrete is with reinforced concrete production facility of ration |
| CN115056270A (en) * | 2022-06-09 | 2022-09-16 | 东莞汇乐技术股份有限公司 | Flexible propelling movement and pressfitting integration recovery plant |
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| CN109899090A (en) * | 2019-03-25 | 2019-06-18 | 山东科技大学 | A kind of remote dustless concrete sprayer |
| CN110130351A (en) * | 2019-06-04 | 2019-08-16 | 周常武 | A kind of sealed wet spraying machine |
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| US8011862B2 (en) * | 2007-05-29 | 2011-09-06 | Hamilton Air Products, Inc | Carrier transportation system with brake valve device proximate to a carrier receiver |
| CN111348441B (en) * | 2020-03-12 | 2021-03-30 | 山东科技大学 | Double-piston pneumatic conveyor |
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- 2020-03-12 CN CN202010168330.7A patent/CN111348441B/en active Active
- 2020-11-09 WO PCT/CN2020/127411 patent/WO2021179646A1/en active Application Filing
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| CN107956666A (en) * | 2018-01-09 | 2018-04-24 | 长沙紫宸科技开发有限公司 | A kind of two-cylinder type sludge pump with discharging sealing switching device |
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| CN111348441A (en) | 2020-06-30 |
| WO2021179646A1 (en) | 2021-09-16 |
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