CN113772425A - Pneumatic pipeline conveyor - Google Patents

Abstract

The invention discloses a pneumatic pipeline conveyor which comprises a mixing pipe and a pneumatic pipe arranged at the rear end of the mixing pipe and used for injecting gas into the mixing pipe, wherein a gas injection cylinder is arranged at the top of the mixing pipe close to the rear end of the mixing pipe, a gas blowing mechanism is arranged inside the rear end of the pneumatic pipe, the front end of the mixing pipe is connected with a drying pipe, a spiral electric heating pipe is sleeved outside the drying pipe along the axial direction of the drying pipe, the front end of the drying pipe is connected with a material distributing pipe, the bottom of the material distributing pipe is communicated with a separating pipe, one end of the material distributing pipe is closed, and a flow distributing mechanism is arranged inside the opening end of the material distributing pipe. The invention can fully mix various materials in the mixing pipe and the pneumatic pipe continuously ventilating the mixing pipe, and when the mixing pipe is opened, the materials can be hermetically conveyed to the drying pipe through the pipeline along with continuously increased airflow to be uniformly dried and then conveyed to the distributing pipe to be screened to obtain light and heavy materials, so that the mechanization and automation are realized in the conveying process, the labor is saved, and the pneumatic mixing and drying device has practical value.

Description

Pneumatic pipeline conveyor

Technical Field

The invention relates to the technical field of chemical powder conveying, in particular to a pneumatic pipeline conveyor.

Background

With the improvement of the national environmental protection standard and the enhancement of comprehensive utilization consciousness, the realization of mixing, drying and screening of materials in a closed environment becomes the current development trend, so that the environment and air pollution of each processing link can be avoided. In addition, the materials are conveyed by a conventional conveying belt to occupy space, the conveying position is changed, and the materials are difficult and troublesome, so that the ideal state that the materials are not stained with dust and are not dusted when various powdery materials are conveyed can not be ensured.

Disclosure of Invention

The present invention is directed to a pneumatic pipe conveyor to solve the above problems.

In order to achieve the purpose, the invention provides a pneumatic pipeline conveyor, which comprises a mixing pipe capable of mixing different types of particles and a pneumatic pipe arranged at the rear end of the mixing pipe and used for injecting gas into the mixing pipe, wherein a material injection cylinder is arranged near the top of the rear end of the mixing pipe, a material cylinder valve block is radially and rotatably connected into the bottom of the material injection cylinder, a material pipe valve block is radially and rotatably connected into the mixing pipe near the inner part of the front end of the mixing pipe, a rotating rod and a rotating rod which drive the mixing pipe valve block to rotate between a horizontal plane and a vertical plane are respectively penetrated through the radial inner parts of the material cylinder valve block and the material pipe valve block, the rear end of the mixing pipe is fixedly connected with a conical air inlet pipe through a bolt, a spirally extending air guide groove is formed in the inner wall of the air inlet pipe, an air blowing mechanism is arranged inside the rear end of the pneumatic pipe, and the air blowing mechanism comprises a piston block sleeved with the pneumatic pipe, The pneumatic pipe comprises a push-pull rod driving a piston block to axially reciprocate along a pneumatic pipe, a pair of rotating handles embedded in the horizontal radial side of the pneumatic pipe and capable of rotating, and a pair of push handles used for clamping the outer end of the push-pull rod to do circular motion by taking the central line of the rotating handles as a central axis, wherein the outer end of one rotating handle is coaxially connected with a servo motor, and an air blowing cover covers the outer part of the rotating handle.

As a further improvement of the technical scheme, the pneumatic tube is provided with air suction tubes which are communicated with two radial sides close to the front end of the pneumatic tube, the interior of each air suction tube is sequentially sleeved with a movable sheet and a fixing ring from inside to outside, the diameter of each movable sheet is located between the inner diameter of the fixing ring and the inner diameter of each air suction tube, limiting columns which are connected with the fixing rings in an inserting mode are symmetrically arranged towards the outside of each movable sheet, an exhaust ring is welded in the front end port of the pneumatic tube, the outer end of the exhaust ring is coaxially connected with an air sealing sheet, and the diameter of the air sealing sheet is located between the inner diameter of the exhaust ring and the inner diameter of the pneumatic tube.

As a further improvement of the technical scheme, one end of the push-pull rod is hinged to a convex ring in the middle of the end face of the piston block, the side face of the other end of the push-pull rod is rotatably connected with the side faces of the outer ends of the pair of push handles through a pin, a handle sleeve inserted into the push handles is communicated with one radial side of the inner end of the rotary handle, the air blowing cover is cylindrical, the opening end of the air blowing cover is fixedly connected with the rear end of the pneumatic tube through a bolt, and a handle inserting hole is horizontally and radially formed in the middle of the air blowing cover.

As a further improvement of the technical scheme, the rotating handle is cylindrical with an opening at one end, the other rotating handle is internally provided with an air volume adjusting mechanism for changing the radius of the push-pull rod in circular motion, the air volume adjusting mechanism comprises a threaded rod in threaded connection with an inner hole at the bottom end of one of the push-pull rods, a rotating shaft which is axially arranged along the rotating handle and is used for driving the threaded rod to rotate, and a sealing cover which is positioned at the opening end of the rotating handle and is sleeved with the rotating rod, the bottom end of the threaded rod is coaxially connected with a worm wheel, and the inner end of the rotating shaft is tightly sleeved with a worm which is meshed with the worm wheel.

As a further improvement of this technical scheme, the front end of mixing pipe is conical conveying pipeline through bolt fixedly connected with, the rear end department top intercommunication of mixing pipe is equipped with the sprue, the radial both sides intercommunication of the front end department level of mixing pipe is equipped with the intubate, the radial both sides intercommunication in bottom of annotating the feed cylinder is equipped with the sleeve pipe, the square hole ring has all been welded in intubate and sheathed tube port department, the bull stick is the square bar structure and pegs graft and rotatable with the sleeve pipe, the one end of bull stick is pegged graft with the square hole of square hole ring and is cooperated, and this end department is equipped with and pegs graft and rotatable cylinder section with the square hole of square hole ring.

As a further improvement of the technical scheme, a rubber sheet with the outer diameter larger than the inner diameter of the pneumatic tube is bonded on the front end face of the piston block, a positioning ring is connected on the central shaft of the exhaust ring, a sleeve column spliced with the positioning ring is arranged at the center of the inner end of the air sealing sheet, arc-shaped avoidance platforms are arranged on the upper side and the lower side of the air blowing cover, and a supporting ring is connected on one horizontal side of the air blowing cover.

As a further improvement of this technical scheme, the front end of mixing pipe is connected with the drying pipe, the outside of drying pipe is equipped with along its axial cover and is the heliciform electric heating pipe, electric heating pipe's outside is provided with the protection section of thick bamboo that cup joints with the drying pipe, the inside of drying pipe just is provided with along its axial and keeps apart the section of thick bamboo, the external diameter of keeping apart the section of thick bamboo is less than the internal diameter of drying pipe, the one end of keeping apart the section of thick bamboo is equipped with the horn mouth with the internal diameter with the preceding port that the conveying pipeline leads to.

As a further improvement of the technical scheme, a plurality of blocking pieces are rotatably connected inside the isolation cylinder at equal intervals along the axial direction of the isolation cylinder, the outer diameter of each blocking piece is smaller than the inner diameter of the isolation cylinder, and a plurality of isolation rings sleeved with the isolation cylinder are arranged on the inner wall of the drying pipe at equal intervals along the axial direction of the drying pipe.

As a further improvement of this technical scheme, the front end of drying pipe is connected with the branch material pipe, the bottom intercommunication of branch material pipe is equipped with the separating tube, the one end of branch material pipe is sealed and its open end is inside to be provided with reposition of redundant personnel mechanism, reposition of redundant personnel mechanism including arrange in the branch material pipe horizontal middle part and be the reposition of redundant personnel piece of semicircle block structure, drive the twist grip that the reposition of redundant personnel piece deflected with its terminal surface central line and be located the separator under the reposition of redundant personnel piece terminal surface, the bottom of separator vertical extension to the bottom of separating tube, the diameter of reposition of redundant personnel piece equals with the internal diameter of branch material pipe.

As a further improvement of the technical scheme, the outer side of the opening end of the material distributing pipe is horizontally and radially communicated with a supporting ring, one side of the end face of the material distributing block is penetrated and inserted with a shifting shaft which is inserted with the supporting ring, the top of the separating plate is provided with a sealing plate which is in a semicircular block structure and is clamped with the material distributing pipe, and the bottom end of the separating pipe and the front side and the back side of the separating plate are respectively sleeved with a light particle cover and a heavy particle cover.

Compared with the prior art, the invention has the beneficial effects that:

1. among this pneumatic pipe conveyer, through the material mixing pipe that sets up and to its inside constantly aerated pneumatic tube, make its inside various materials can fully mix, and when the material mixing pipe was got through, the material can be along with the air current that constantly increases and be evenly dried in pipeline closed transport to the stoving pipe, is carried again to being sieved the light and heavy material in the material mixing pipe for realize mechanization, the automatic transported substance material in the transportation process, can alleviate intensity of labour, use manpower sparingly, practical value has.

2. Among this pneumatic pipe conveyer, through the air-blowing mechanism of the piston promotion formula that sets up in the pneumatic tube, and constantly send into the air current for mixing pipe, drying pipe and branch intraductal, guarantee that the material is carried smoothly by the air current, and change its stroke through the piston piece among the tolerance adjustment mechanism control air-blowing mechanism that sets up, thereby change the air delivery volume according to the demand, accomplish to use the method of different tolerance to different materials, thereby need not change servo motor's operating frequency size, do benefit to and save electric power.

3. Among this pneumatic pipe conveyer, through the activity piece and the gas sealing piece that set up in pneumatic tube front end department, and the one-way effect of breathing in and exhaust of cooperation control pneumatic tube, its design benefit, simple structure and use the cost of maintaining low, have practical value.

4. In the pneumatic pipeline conveyor, the isolating cylinder is arranged in the drying pipe in a suspending mode, so that passing materials are heated uniformly and mildly, the blocking pieces are connected in the isolating cylinder in a rotating mode, the blocking pieces can turn over along with airflow to further mix the mixture, the time of the mixture passing through the isolating cylinder is prolonged, the mixture is heated and dried as far as possible, the pneumatic pipeline conveyor has the effect of shortening the drying pipe, and materials and occupied space are saved.

5. Among this pneumatic pipe conveyer, through the reposition of redundant personnel piece that can deflect from top to bottom that sets up at the feed port department of branch material pipe, and the control divides the upper and lower port size of material pipe for light and heavy granule is by the screening of adjusting size, realizes the adjustablization of sieve material size, and its design benefit controls conveniently.

Drawings

FIG. 1 is a schematic view of an overall assembly structure of embodiment 1;

FIG. 2 is a schematic view of the mixing tube and pneumatic tube assembly of example 1;

FIG. 3 is a full sectional view of the compounding tube and pneumatic tube assembly of example 1;

FIG. 4 is a schematic illustration of the mixing tube structure of example 1;

FIG. 5 is an exploded view of the cartridge of example 1;

FIG. 6 is a schematic structural view of a material pipe valve block in embodiment 1;

FIG. 7 is a schematic view of an assembly structure of the air blowing mechanism of embodiment 1;

fig. 8 is a schematic view of an assembly structure of the air quantity adjusting mechanism of embodiment 1;

FIG. 9 is an assembly plan view of the air blowing mechanism of embodiment 1;

FIG. 10 is an exploded view of the pneumatic tube according to example 1;

FIG. 11 is a schematic view of the structure of an air-blowing cover in embodiment 1;

FIG. 12 is a schematic view showing an assembling structure of a drying duct and a material distributing duct in embodiment 1;

FIG. 13 is a full sectional view of an assembly of a drying duct and a material distribution duct of example 1;

FIG. 14 is a partially exploded view of a drying duct in example 1;

FIG. 15 is a disassembled view of the shield cylinder of embodiment 1;

FIG. 16 is an exploded view of the branched pipe in example 1;

fig. 17 is an exploded view of the flow dividing mechanism according to embodiment 1.

The various reference numbers in the figures mean:

100. a mixing pipe; 101. a material injection port; 102. the material conveying pipe is communicated; 103. the air inlet pipe is communicated; 104. a gas guide groove; 105. inserting a tube; 110. a charging barrel is injected; 111. a sleeve; 120. a cartridge valve block; 121. a rotating rod; 122. a cylindrical section; 130. a material pipe valve block; 131. rotating the rod;

200. a pneumatic tube; 201. an air intake duct; 202. a movable plate; 2021. a limiting column; 203. a fixing ring; 204. an exhaust ring; 2041. a positioning ring; 205. a gas sealing sheet; 2051. sleeving a column;

210. an air blowing mechanism; 211. a piston block; 212. a rubber sheet; 213. a push-pull rod; 214. a handle is rotated; 2141. a handle sleeve; 215. a push handle; 220. an air-blowing hood; 221. a shank insertion hole; 222. an avoidance table; 223. a ring; 230. a servo motor;

240. a gas amount adjusting mechanism; 241. a threaded rod; 2411. a worm gear; 242. a rotating shaft; 243. a worm; 244. sealing the cover;

400. a drying duct; 401. an isolating ring; 410. an electric heating tube; 420. a protective cylinder; 430. an isolation cylinder; 431. a pipe connector; 432. a bell mouth; 440. a barrier sheet;

500. distributing pipes; 501. a separation tube; 502. a support ring; 510. a flow dividing mechanism; 511. a shunting block; 5111. a shifting shaft; 512. turning a handle; 513. a separation plate; 5131. closing the plate;

520. a light particle cover; 530. and (4) a heavy particle cover.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central axis", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

Referring to fig. 1 to 17, the present invention provides a pneumatic pipe conveyor, which includes a mixing pipe 100 capable of mixing different types of particles and a pneumatic pipe 200 disposed at the rear end of the mixing pipe 100 for injecting gas into the mixing pipe, that is, the mixing pipe conveyor mixes and conveys different types of particles by using airflow. The top of the mixing pipe 100 near the rear end thereof is provided with an injection cylinder 110 for injecting chemical particles such as polypropylene, PET, ABS, PVC and the like, thereby realizing mechanical and automatic material conveying, reducing labor intensity and saving manpower. And in the conveying process, the technological operations of mixing, drying and screening can be carried out simultaneously. The bottom of the material injection barrel 110 is connected with a barrel valve block 120 in a radial rotating manner, and the barrel valve block is used for incompletely sealing the material injection barrel 110 and preventing the material mixing pipe 100 from being blown out of the barrel by air flow when mixing materials. The interior of the mixing pipe 100 near the front end thereof is connected with a pipe valve block 130 in a radial rotating manner, and the pipe valve block is used for plugging the front end of the mixing pipe 100 and preventing the mixture from being directly taken away by air flow. Wherein the diameters of the charging barrel valve block 120 and the material pipe valve block 130 are respectively matched with the inner diameter of the bottom of the charging barrel 110 and the inner diameter of the mixing pipe 100, and the cross sections of the outer sides of the charging barrel valve block 120 and the material pipe valve block 130 are both in a semi-circular arc shape, so that interference is not caused during rotation.

Further, a rotating rod 121 and a rotating rod 131 for driving the charging barrel valve block 120 and the charging pipe valve block 130 to switch between a horizontal plane and a vertical plane are respectively penetrated through the radial inner parts of the charging barrel valve block and the charging pipe valve block, so that a worker can smoothly operate the charging barrel valve block and the charging pipe valve block. The rear end of the mixing pipe 100 is fixedly connected with a conical air inlet pipe 103 through a bolt, an air guide groove 104 extending spirally is formed in the inner wall of the air inlet pipe 103, an air blowing mechanism 210 is arranged inside the rear end of the air pipe 200, and when the air blowing mechanism 210 works, after air flow is blown into the air inlet pipe 103, a cyclone is formed through the guide of the air guide groove 104 to enter the mixing pipe 100, so that mixed materials in the mixing pipe are fully mixed by being lifted. The air blowing mechanism 210 comprises a piston block 211 sleeved with the pneumatic tube 200, a push-pull rod 213 driving the piston block 211 to reciprocate along the axial direction of the pneumatic tube 200, a pair of rotating handles 214 embedded in the horizontal radial side of the pneumatic tube 200 and capable of rotating, and a pair of push handles 215 for clamping the outer ends of the push-pull rod 213 to do circular motion with the center line of the rotating handles 214 as the center axis, wherein the outer end of one rotating handle 214 is coaxially connected with a servo motor 230, namely, the servo motor 230 is started to drive the pair of rotating handles 214 to rotate, so as to drive the pair of push handles 215 to rotate with the center line of the rotating handles 214 as the axis, and further the end of the push-pull rod 213 is clamped to rotate with the center line of the rotating handles 214 to generate position movement, so that the piston block 211 is pushed and pulled to reciprocate along the axial direction of the pneumatic tube 200, and air flow can be continuously injected into the air inlet tube 103. The opposing ends of the pair of levers 214 are spaced apart by a distance greater than the width of the push-pull rod 213 to avoid interfering with its rotation. The outer cover of the stem 214 is provided with an air blowing cover 220 for supporting and protecting the air blowing mechanism 210 and at the same time, for providing an overall aesthetic appearance.

Specifically, pneumatic tube 200 is close to its front end radial both sides and all communicates and is equipped with breathing pipe 201, so that when piston block 211 retreats to pneumatic tube 200 rear end, can follow the external air of suction pipe 201 suction, the inside of breathing pipe 201 is equipped with activity piece 202 and solid fixed ring 203 from inside to outside cover in proper order, activity piece 202 adopts rubber to make, flexibility and leakproofness have, gu fixed ring 203 and the inseparable joint of breathing pipe 201 port, the diameter of activity piece 202 is located between solid fixed ring 203 internal diameter and the breathing pipe 201 internal diameter, make external air can enter into pneumatic tube 200 from the gap between activity piece 202 and the breathing pipe 201 in, make-up gas, with waiting that piston block 211 antedisplacement will it forms the air current in pushing away to compounding pipe 100. The outward side of the movable plate 202 is symmetrically provided with a limit post 2021 inserted with the fixing ring 203, and the outer end of the limit post 2021 is tightly sleeved with a round cap to limit the movable plate 202. An exhaust ring 204 is welded in the front end of the pneumatic tube 200, an outward end of the exhaust ring 204 is coaxially connected with an air sealing sheet 205, the air sealing sheet 205 is made of rubber and has flexibility and sealing performance, and the diameter of the air sealing sheet 205 is located between the inner diameter of the exhaust ring 204 and the inner diameter of the pneumatic tube 200, so that when the air in the mixing tube 100 is pushed by the piston block 211 to move forwards, the edge of the air sealing sheet 205 can be pressed to leave the exhaust ring 204, a gap is formed, and the air is exhausted with materials. The movable plate 202 opens the gap when the piston block 211 moves backward to extract air, so that the external air enters, meanwhile, the air sealing plate 205 is pressed against the exhaust ring 204 due to the negative pressure in the pneumatic tube 200, when the piston block 211 moves forward to transmit air, the movable plate 202 is pushed against the inner end of the fixing ring 203 by the air flow, so that the air is prevented from leaking, and meanwhile, the air pressure of the air in the pneumatic tube 200 pushes the edge of the air sealing plate 205 open to form an outward-turning open state, so that the air is released smoothly to enter the mixing tube 100.

Specifically, one end of the push-pull rod 213 is hinged to a convex ring in the middle of the end surface of the piston block 211, and the side surface of the other end of the push-pull rod 213 is rotatably connected to the side surfaces of the outer ends of the pair of push handles 215 through a pin, so that the other end of the push-pull rod 213 can keep a linkage relationship with the piston block 211 and the push handles 215 when rotating, and interference is avoided. A handle sleeve 2141 inserted into the push handle 215 is communicated with one radial side of the inner end of the rotating handle 214, so that the push handle 215 can extend in length, the rotating radius of the hinged end of the push-pull rod 213 is increased, the stroke distance of the push-pull rod 213 is further increased, the moving range of the piston block 211 is enlarged, more gas can be sucked, and the gas flow pressure and the gas flow rate discharged into the mixing pipe 100 are increased. The air-blowing cover 220 is cylindrical and has an open end fixedly connected to the rear end of the pneumatic tube 200 by a bolt, and a handle insertion hole 221 is horizontally and radially formed in the middle of the air-blowing cover 220 so as to support the outward end of the rotating handle 214 to be inserted therein for stable rotation.

Specifically, the rotating handle 214 is in a cylindrical shape with an opening at one end, i.e. the inner end of the rotating handle is a sealed end, an air volume adjusting mechanism 240 for changing the radius of the push-pull rod 213 making circular motion is arranged inside the other rotating handle 214, the air volume adjusting mechanism 240 comprises a threaded rod 241 in threaded connection with the inner hole at the bottom end of one of the push handles 215, a rotating shaft 242 arranged along the axial direction of the rotating handle 214 and used for driving the threaded rod 241 to rotate, and a sealing cover 244 sleeved at the opening end of the rotating handle 214, threads are arranged on the inner side of the inner hole at the bottom end of the push handle 215, the sealing cover 244 is tightly matched with the opening end of the rotating handle 214, the rotating shaft 242 penetrates through the sealing cover 244 to stably rotate, a worker drives the threaded rod 241 to rotate by rotating the rotating shaft 242, because the pair of push handles 215 and the pair of rotating handles 214 are connected into a whole, and the air blowing cover 220 positions and supports the pair of rotating handles 214, thereby smoothly driving the push handle 215 connected with the threaded rod 241 to make spiral linear motion along the axial direction, the telescopic movement of the push handle 215 is realized, and the radius of the circular movement of the push-pull rod 213 can be changed. The bottom end of the threaded rod 241 is coaxially connected with a worm wheel 2411, the inner end of the rotating shaft 242 is tightly sleeved with a worm 243 meshed with the worm wheel 2411, namely, the rotating shaft 242 rotating by a horizontal shaft can drive the threaded rod 241 rotating by a shaft vertical to the horizontal shaft to synchronously rotate through the transmission relationship between the worm 243 and the worm wheel 2411.

Further, a conical feed pipe 102 is fixedly connected to the front end of the mixing pipe 100 through a bolt, so as to collect gas and mix for conveying. The top of the rear end of the mixing pipe 100 is communicated with a feeding port 101, which is in sleeve fit with the bottom of the feeding barrel 110. An inserting pipe 105 is communicated with two horizontal radial sides at the front end of the mixing pipe 100, two radial sides at the bottom of the charging barrel 110 are communicated with a sleeve 111, square hole rings are welded at the ports of the inserting pipe 105 and the sleeve 111 to form a limiting structure, a rotating rod 121 is in a square rod structure and is inserted into the sleeve 111 and can rotate, namely, the inner diameter of the sleeve 111 is equal to the diagonal distance of the cross section of the rotating rod 121, one end of the rotating rod 121 is inserted into and matched with the square hole of the square hole ring to ensure that the rotating rod 121 does not rotate, so that the charging barrel valve block 120 is stably plugged into the charging barrel 110, a cylindrical section 122 which is inserted into and can rotate with the square hole of the square hole ring is arranged at the end, namely, when the rotating rod 121 is pulled to place the cylindrical section 122 in the square hole of the square hole ring, the charging barrel valve block 120 can be rotated, when the square cross section of the rotating rod 121 is placed in the square hole, the state of the charging barrel valve block 120 can be positioned, wherein the cylindrical section 122 is tightly matched with the square hole, and the charging barrel valve block 120 can be stopped at any angle by using the friction force of each other, therefore, the material injection barrel 110 is not completely blocked, the material mixing pipe 100 is prevented from being blown out of the barrel by the airflow when the material is mixed, and meanwhile, the airflow can be smoothly discharged to form a flowing effect. In addition, the mechanism of rotary rod 131 is the same as that of rotary rod 121, and the fitting relationship between rotary rod 131 and material pipe valve block 130 is also the same as that between cartridge valve block 120 and rotary rod 121.

In addition, the front end face of the piston block 211 is bonded with a rubber sheet 212 with an outer diameter larger than the inner diameter of the pneumatic tube 200, and the rubber sheet 212 is tightly connected with the inner wall of the pneumatic tube 200 in a sliding manner by utilizing the flexibility and the sealing property of the rubber sheet 212, so that air leakage is avoided. The positioning ring 2041 is connected to the central shaft of the exhaust ring 204, the sleeve column 2051 inserted into the positioning ring 2041 is arranged in the center of the inner end of the gas sealing sheet 205, the cross section of the sleeve column 2051 is of a T-shaped structure, a limiting state is formed, the gas sealing sheet 205 is attached to the outer end face of the exhaust ring 204, and only when gas inside the pneumatic tube 200 is pushed forwards, the outer edge of the gas sealing sheet 205 can be pushed to form a gap to pass through by itself. The upper and lower sides of the air blowing cover 220 are provided with arc-shaped avoidance tables 222, the circular central axes of the avoidance tables 222 are coaxial with the shank insertion hole 221, and the radius of the avoidance tables 222 is larger than the radius of the push shank 215 in the longest state so as to avoid rotation when the push shank 215 is extended. A supporting ring 223 is connected to one horizontal side of the air-blowing cover 220 for supporting the servo motor 230 to stably operate.

Further, the front end of the mixing pipe 100 is connected with a drying pipe 400 for drying the mixture during conveying. The outer side of the drying duct 400 is sleeved with a spiral electric heating tube 410 along the axial direction thereof, so that the drying duct 400 is covered with the electric heating tube 410 and uniformly heated after being electrified. The outside of electric heating pipe 410 is provided with a protection section of thick bamboo 420 that cup joints with drying tube 400, and a protection section of thick bamboo 420 adopts ABS to make, and its heat-resisting and intensity is hard, durable, and the inboard parcel of a protection section of thick bamboo 420 has multilayer tinfoil for the heat that keeps electric heating pipe 410 to give off, the effect of a protection section of thick bamboo 420: on one hand, the potential safety hazard caused by the exposure of the electric heating pipe 410 can be avoided, on the other hand, the heat of the electric heating pipe 410 can be protected from being dissipated, and the whole body has aesthetic property. The inside of drying duct 400 just is provided with along its axial and keeps apart a section of thick bamboo 430, keeps apart a section of thick bamboo 430 and is made for the heat conduction material, for example has the metal that the heat conductivity is good to keep apart the inside mixture that passes through of a section of thick bamboo 430 and be heated dry, keep apart the external diameter of a section of thick bamboo 430 and be less than the internal diameter of drying duct 400, make the inner wall heat of drying duct 400 directly not pass to inside the section of thick bamboo 430, but pass through the drying duct 400 in the air for the medium passes through and carry out the transmission, make the heat even gentle. One end of the isolation cylinder 430 is provided with a bell mouth 432 with the same inner diameter as the front end opening of the feed delivery pipe 102, so as to smoothly butt against the small end opening of the feed delivery pipe 102, so that the mixture and the air flow enter the isolation cylinder 430, and the other end of the isolation cylinder 430 is provided with a pipe joint 431 with an enlarged inner diameter, so as to directly socket the feed delivery pipe for direct delivery.

Specifically, a plurality of blocking pieces 440 are rotatably connected inside the isolation cylinder 430 at equal intervals along the axial direction of the isolation cylinder, the outer diameter of each blocking piece 440 is smaller than the inner diameter of the isolation cylinder 430, the blocking pieces 440 are driven to rotate through airflow, the mixture is overturned to be further mixed, meanwhile, the time of the mixture passing through the isolation cylinder 430 is prolonged, and the mixture is heated and dried as much as possible. The inner wall of the drying duct 400 is provided with a plurality of isolating rings 401 which are sleeved with the isolating cylinder 430 at equal intervals along the axial direction, so that the isolating cylinder 430 is stably suspended in the drying duct 400.

In addition, the front end of the drying pipe 400 is connected with a material separating pipe 500 for screening particles with different particle sizes and weights in the mixture, the bottom of the material separating pipe 500 is communicated with a separating pipe 501, heavier particles can fall into the separating pipe 501 from a port of the material separating pipe 500, lighter particles or powder can be poplar to a port far away from the material separating pipe 500 due to airflow, the separating pipe 501 is arranged, and accordingly screening of coarse and light particles is achieved. One end of the material distributing pipe 500 is closed, and a flow distributing mechanism 510 is arranged inside the opening end of the material distributing pipe for adjusting the size of the particles to be screened. The flow dividing mechanism 510 comprises a flow dividing block 511 which is arranged in the horizontal middle of the material dividing pipe 500 and has a semicircular block structure, a rotary handle 512 which drives the flow dividing block 511 to deflect by the central line of the end surface thereof, and a separating plate 513 which is positioned right below the end surface of the flow dividing block 511, wherein the bottom end of the separating plate 513 vertically extends to the bottom end of the separating pipe 501, and the flow dividing block 511 is used for separating the separating pipe 501 into two spaces so that light and heavy particles can respectively fall down. The diameter of the diversion block 511 is equal to the inner diameter of the material distribution pipe 500, and the outer side surface of the diversion block 511 is a semicircular arc surface, so that the diversion block can deflect smoothly up and down in the material distribution pipe 500, and further the up-and-down width of the opening end of the material distribution pipe 500 is changed, the mixture airflow entering the material distribution pipe 500 can be separated, heavy particles slide to the rear side of the separating plate 513 from the lower part of the diversion block 511, and light particles are brought to the front side of the separating plate 513 from the upper part of the diversion block 511 by the airflow.

Further, the horizontal radial intercommunication in the open end outside of branch material pipe 500 is equipped with and props ring 502, prop ring 502 inboard and be equipped with the screw thread, the terminal surface one side of shunting piece 511 runs through the grafting have with prop the shifting shaft 5111 that ring 502 pegs graft, make shunting piece 511 supported and stably deflect, wherein the square hole has been seted up to the tip of shifting shaft 5111, swing handle 512 is equipped with cylinder pole and square bar, the outside of cylinder pole is equipped with the screw thread and with prop ring 502 threaded connection, the square bar is pegged graft with the square hole of shifting shaft 5111, and the square hole degree of depth is greater than the length of square bar, through the frictional force that swing handle 512 and the threaded connection of propping ring 502 formed, and the angle that can control shunting piece 511 deflected. The top of the separating plate 513 is provided with a sealing plate 5131 which is clamped with the material distributing pipe 500 and has a semicircular block structure, and the sealing plate is used for sealing the space below the material distributing block 511. The bottom end of the separation pipe 501, which is located at the front side and the rear side of the separation plate 513, is sleeved with a light particle cover 520 and a heavy particle cover 530 respectively, which are used for gathering light particles and heavy particles respectively, and the bottom ends of the light particle cover 520 and the heavy particle cover 530 can be sleeved with round pipes, so as to carry out long-distance or fixed-position conveying.

The working principle of the invention is as follows: injecting chemical particles into the mixing pipe 100 from the material injection barrel 110, then rotating the material pipe valve block 130 to block the front end of the mixing pipe 100, rotating the material barrel valve block 120 to incompletely block the bottom of the material injection barrel 110, then starting the servo motor 230 to drive the air blowing mechanism 210 to operate, so that the inside of the front end of the pneumatic pipe 200 continuously sucks air and exhausts air, further driving the mixed materials in the mixing pipe 100 to mix and exhaust, then preheating the drying pipe 400 and the isolation barrel 430 by the electric heating pipe 410, so that the mixed materials are exhausted into the isolation barrel 430 along with the air flow to be heated and evaporated for drying, then the dried mixed materials are exhausted into the material distribution pipe 500 along with the air flow, light and heavy particles are separated by the flow distribution block 511 and are separated and exhausted along the separation plate 513, so that the screening is realized, thereby synchronously performing the material mixing, drying and screening processes, realizing the mechanized and automatic material conveying, reducing the labor intensity and saving the manpower.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a pneumatic pipe conveyer, is used for to its inside gas injection's pneumatic tube (200) including mixing pipe (100) and mixing pipe (100) rear end setting of the different kinds of particulate matters of mixable, mixing pipe (100) are close to its rear end top and are provided with annotate feed cylinder (110), it is radially to rotate in the bottom of feed cylinder (110) and is connected with feed cylinder valve block (120), mixing pipe (100) are close to its front end inside and are radially to rotate and be connected with material pipe valve block (130), the radial inside of feed cylinder valve block (120) and material pipe valve block (130) is run through respectively has and drives its bull stick (121) and bull stick (131) that switch rotation between horizontal plane and vertical face, its characterized in that: the rear end of the mixing pipe (100) is fixedly connected with a conical air inlet pipe (103) through a bolt, an air guide groove (104) extending spirally is formed in the inner wall of the air inlet pipe (103), an air blowing mechanism (210) is arranged inside the rear end of the pneumatic pipe (200), the air blowing mechanism (210) comprises a piston block (211) sleeved with the pneumatic pipe (200), a push-pull rod (213) driving the piston block (211) to axially reciprocate along the pneumatic pipe (200), a pair of rotating handles (214) embedded into the horizontal radial side of the pneumatic pipe (200) and capable of rotating and a pair of pushing handles (215) used for clamping the outer end of the push-pull rod (213) to do circular motion by taking the center line of the rotating handle (214) as a center shaft, the outer end of one rotating handle (214) is coaxially connected with a servo motor (230), and an air blowing cover (220) is covered outside the rotating handle (214).

2. The pneumatic pipe conveyor according to claim 1, wherein: pneumatic tube (200) are close to its front end radial both sides and all communicate and are equipped with breathing pipe (201), the inside of breathing pipe (201) is equipped with movable plate (202) and solid fixed ring (203) from interior to outer cover in proper order, the diameter of movable plate (202) is located between solid fixed ring (203) internal diameter and breathing pipe (201) internal diameter, the outside facing symmetry of movable plate (202) is equipped with spacing post (2021) of pegging graft with solid fixed ring (203), the welding has exhaust ring (204) in the front end port of pneumatic tube (200), the outside facing coaxial coupling of exhaust ring (204) has air-tight piece (205), the diameter of air-tight piece (205) is located between exhaust ring (204) internal diameter and pneumatic tube (200) internal diameter.

3. The pneumatic pipe conveyor according to claim 1, wherein: one end of the push-pull rod (213) is hinged to a convex ring in the middle of the end face of the piston block (211), the side face of the other end of the push-pull rod is rotatably connected with the side faces of the outer ends of the pair of push handles (215) through pins, a handle sleeve (2141) inserted into the push handles (215) is communicated with one radial side of the inner end of the rotary handle (214), the air blowing cover (220) is cylindrical, the open end of the air blowing cover is fixedly connected with the rear end of the pneumatic tube (200) through a bolt, and a handle inserting hole (221) is horizontally and radially formed in the middle of the air blowing cover (220).

4. The pneumatic pipe conveyor according to claim 1, wherein: the utility model discloses a pneumatic and hydraulic pressure balance device, including turning handle (214), air volume adjustment mechanism (240), pivot (242) and be located turning handle (214) open end bell and spigot joint, turning handle (214) are cylindric that one end open-ended, and another turning handle (214) inside is provided with the air volume adjustment mechanism (240) that is used for changing push-and-pull rod (213) and makes circular motion's radius size, air volume adjustment mechanism (240) include with one of them push away threaded rod (241) of handle (215) bottom hole threaded connection, along turning handle (214) axial place and be used for driving threaded rod (241) rotatory pivot (242) and lie in turning handle (214) open end bell and spigot joint capping (244), the bottom coaxial coupling of threaded rod (241) has worm wheel (2411), the inner of pivot (242) closely cup joints worm (243) with worm wheel (2411) meshing.

5. The pneumatic pipe conveyor according to claim 1, wherein: the front end of mixing pipe (100) is conical conveying pipeline logical (102) through bolt fixedly connected with, the rear end department top intercommunication of mixing pipe (100) is equipped with sprue (101), the radial both sides intercommunication of the front end department level of mixing pipe (100) is equipped with intubate (105), the radial both sides intercommunication in bottom of annotating feed cylinder (110) is equipped with sleeve pipe (111), the port department of intubate (105) and sleeve pipe (111) all welds the square hole ring, bull stick (121) are the square bar structure and peg graft and rotatable with sleeve pipe (111), the one end of bull stick (121) and the square hole of square hole ring are pegged graft the cooperation, and this end department is equipped with and pegs graft and rotatable cylinder section (122) with the square hole of square hole ring.

6. The pneumatic pipe conveyor according to claim 2, wherein: the front end face of the piston block (211) is bonded with a rubber sheet (212) with an outer diameter larger than the inner diameter of the pneumatic tube (200), a positioning ring (2041) is connected to the central shaft of the exhaust ring (204), a sleeve column (2051) spliced with the positioning ring (2041) is arranged at the center of the inner end of the air sealing sheet (205), an arc avoidance table (222) is arranged on the upper side and the lower side of the air blowing cover (220), and a support ring (223) is connected to one horizontal side of the air blowing cover (220).

7. The pneumatic tube conveyor of claim 5, wherein: the front end of mixing pipe (100) is connected with drying pipe (400), the outside of drying pipe (400) is equipped with along its axial cover and is spiral helicine electric heating pipe (410), the outside of electric heating pipe (410) is provided with protective tube (420) that cup joints with drying pipe (400), the inside of drying pipe (400) just is provided with isolation tube (430) along its axial, the external diameter of isolation tube (430) is less than the internal diameter of drying pipe (400), the one end of isolation tube (430) is equipped with horn mouth (432) with the front end mouth with the internal diameter of conveying pipeline expert (102).

8. The pneumatic pipe conveyor according to claim 7, wherein: the inner part of the isolation cylinder (430) is rotatably connected with a plurality of stopping sheets (440) at equal intervals along the axial direction, the outer diameter of each stopping sheet (440) is smaller than the inner diameter of the isolation cylinder (430), and a plurality of isolation rings (401) sleeved with the isolation cylinder (430) are arranged on the inner wall of the drying pipe (400) at equal intervals along the axial direction.

9. The pneumatic tube conveyor of claim 8, wherein: the front end of stoving pipe (400) is connected with and divides material pipe (500), the bottom intercommunication that divides material pipe (500) is equipped with separator tube (501), the one end of dividing material pipe (500) is sealed and its open end is inside to be provided with reposition of redundant personnel mechanism (510), reposition of redundant personnel mechanism (510) are including arranging branch stream block (511) that divides material pipe (500) horizontal middle part in and be semicircle block structure, drive branch stream block (511) with swing handle (512) that its terminal surface central line deflected and be located branch stream block (511) terminal surface under separator plate (513), the bottom of separator plate (513) is vertical to extend to the bottom of separator tube (501), the diameter of branch stream block (511) equals with the internal diameter that divides material pipe (500).

10. The pneumatic tube conveyor of claim 9, wherein: divide the horizontal radial intercommunication in the open end outside of material pipe (500) to be equipped with and prop ring (502), the terminal surface one side of reposition of redundant personnel piece (511) is run through to be pegged graft have with the stirring axle (5111) of propping ring (502) grafting, the top of separator plate (513) is equipped with and divides the shrouding (5131) that is semicircle block structure of material pipe (500) joint, the bottom of separator pipe (501) just is located the front and back side of separator plate (513) and has cup jointed light particle cover (520) and heavy particle cover (530) respectively.

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