CN214494570U

CN214494570U - Screw conveyer

Info

Publication number: CN214494570U
Application number: CN202120685707.6U
Authority: CN
Inventors: 张春君
Original assignee: Shanghai Haocheng Concrete Co ltd
Current assignee: Shanghai Haocheng Concrete Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-10-26
Anticipated expiration: 2031-04-02

Abstract

The application relates to a screw conveyor, which comprises a base, a conveying pipe arranged on the base, a rotating shaft coaxially arranged in the conveying pipe and blades spirally arranged on the rotating shaft; the peripheral wall of the conveying pipe is provided with a feed inlet and a discharge outlet which are communicated with the interior of the conveying pipe; the blade is provided with a plurality of anti-slip strips, and the anti-slip strips are distributed at equal intervals along the spiral direction of the blade. This application has the effect that improves screw conveyer's availability factor.

Description

Screw conveyer

Technical Field

The application relates to the field of conveying equipment, in particular to a spiral conveyor.

Background

The spiral conveyor is divided into a shaft spiral conveyor and a shaftless spiral conveyor in the conveying form, and is divided into a U-shaped spiral conveyor and a tubular spiral conveyor in the appearance. The spiral conveyer with shaft is suitable for dry powder material and small particle material without viscosity. And the spiral blade is welded on the rotating shaft of the spiral conveyor. Screw conveyer transportation grit usually need be used at the concrete production in-process, sets up feed inlet and discharge gate respectively at screw conveyer both ends for the grit can be carried the other end from screw conveyer's one end.

The spiral conveyor can be horizontally, obliquely or vertically arranged according to the conveying direction during installation, so that the adaptability of the spiral conveyor is improved.

In view of the above-mentioned related art, the inventor believes that when the screw conveyor is in a vertical or inclined installation state and materials are conveyed upwards, a part of the materials will slide down along the screw blade towards the direction close to the feed port under the influence of gravity, thereby reducing the use efficiency of the screw conveyor.

SUMMERY OF THE UTILITY MODEL

In order to improve the availability factor of screw conveyer, this application provides a screw conveyer.

The application provides a screw conveyer adopts following technical scheme:

a spiral conveyor comprises a base, a conveying pipe arranged on the base, a rotating shaft coaxially arranged in the conveying pipe and blades spirally arranged on the rotating shaft; the peripheral wall of the conveying pipe is provided with a feed inlet and a discharge outlet which are communicated with the interior of the conveying pipe; the blade is provided with a plurality of anti-slip strips, and the anti-slip strips are distributed at equal intervals along the spiral direction of the blade.

By adopting the technical scheme, the material to be transported is poured into the conveying pipe from the feeding hole; the driving motor drives the blades to rotate spirally through the rotating shaft, so that the materials are conveyed towards the direction close to the discharge hole; during the transport, owing to be provided with a plurality of antislip strips and be located the blade, when the conveyer pipe is vertical or slope upwards setting, increase the frictional force of material and blade. Thereby reducing the reverse slippage of the materials along the spiral direction of the blades and improving the use efficiency of the spiral conveyor.

Optionally, a clamping prevention block is detachably connected to a joint of the rotating shaft and the blade, and one side of the clamping prevention block, which is far away from the rotating shaft, is an inwards concave arc surface; the anti-clamping block is in threaded connection with a limiting bolt, and the limiting bolt penetrates through the anti-clamping block and then is in threaded connection with the blade.

By adopting the technical scheme, the blades are spirally arranged along the length direction of the rotating shaft, so that an included angle is formed between the side wall of each blade and the peripheral wall of the rotating shaft; if the conveying pipe is used for conveying wet materials, the wet materials are easy to be extruded and then bonded in the included angle; the clamping block is arranged to be buckled into the included angle, and one side of the clamping block, which is far away from the clamp, is arranged in a cambered surface manner, so that the wetted material is convenient to slide to the outside of the conveying pipe along the cambered surface under the action of self weight when conveyed to the discharge port; thereby reducing the difficulty of cleaning the blades.

Optionally, it is connected with a plurality of dwangs to rotate in the pivot, dwang axis perpendicular to the axis of pivot, the one end lateral wall that the pivot was kept away from to the dwang is provided with the puddler, the inside cavity that has seted up of pivot, the one end that the puddler was kept away from to the dwang is located the cavity inner wall, the pivot is provided with the driving piece that drives dwang circumferential direction, the driving piece is located inside the cavity.

By adopting the technical scheme, the rotating rod is driven to rotate circumferentially around the axis of the rotating rod through the driving part, so that the stirring rod is driven to stir the materials in the conveying pipe, and the stirring efficiency of the materials during transportation is improved; the driving piece for driving the stirring rod is arranged in the cavity inside the rotating body, and the using effect of the spiral conveyor is improved.

Optionally, one side of the anti-slip strip, which is far away from the blade, is arranged in a cambered surface manner.

By adopting the technical scheme, when the blade that the pivot of being convenient for drove the spiral setting rotates, the follow-up material that gets into the conveyer pipe can be followed the antislip strip and kept away from one side of blade and moved to the direction that is close to the discharge gate to reduce the material of stagnation between adjacent antislip strip, thereby improve screw conveyer's availability factor.

Optionally, the conveying pipe comprises a first pipe body mounted on the base and a second pipe body hinged to the first pipe body, a protruding block is convexly arranged on a hinged side of the second pipe body, and a groove for buckling the protruding block is concavely arranged on the hinged side of the first pipe body; one side of the first pipe body, which is far away from the hinged side, is connected with the second pipe body through bolts.

By adopting the technical scheme, the first pipe body and the second pipe body are detachably connected, so that blades inside the conveying pipe and the inner wall of the conveying pipe can be cleaned conveniently, and convenience in cleaning the conveying pipe is improved; when the conveying pipe is in a use state, the convex block is buckled into the groove and locked by the bolt; the sealing performance of the first pipe body and the second pipe body after being closed is improved.

Optionally, a condensation pipe is arranged on the circumferential wall of the conveying pipe; the liquid which absorbs heat flows in the condensation pipe and extends in a wave shape along the length direction of the conveying pipe.

By adopting the technical scheme, when the material is conveyed in the conveying pipe, the material is rubbed with the inner wall of the conveying pipe and the blades to generate heat, the condensing pipe is laid on the outer wall of the conveying pipe, and the heat on the outer wall of the conveying pipe is taken away through the flow of liquid in the condensing pipe, so that the conveying pipe is cooled; thereby avoiding the conveying pipe from being in a high-temperature state for a long time, and further improving the service life of the conveying pipe; the condenser pipe is arranged in a wavy manner, so that the contact area between the condenser pipe and the conveying pipe can be increased.

Optionally, sound-absorbing cotton is filled between the condensation pipes.

Through adopting above-mentioned technical scheme, the noise that the sound cotton was inhaled to conveyer pipe production in service is carried out preliminary absorption to the setting to reduce the noise that the conveyer pipe produced when the operation, improve screw conveyer's practicality.

Optionally, the outer wall of the conveying pipe is detachably connected with a sound insulation shell covering the sound absorption cotton and the condensation pipe.

Through adopting above-mentioned technical scheme, set up the sound insulation shell and will inhale sound cotton and condenser pipe cladding, at first further improve the syllable-dividing effect of conveyer pipe, can also avoid inhaling the sound cotton simultaneously and expose in external environment to avoid inhaling the sound cotton and breaking away from on the conveyer pipe.

In summary, the present application includes at least one of the following beneficial technical effects:

the driving motor drives the blades to rotate spirally through the rotating shaft, and the anti-slip strips reduce the reverse slippage of materials along the spiral direction of the blades, so that the use efficiency of the spiral conveyor is improved;

the clamping block is arranged to be buckled into the included angle, and one side of the clamping block, which is far away from the clamp, is arranged in a cambered surface manner, so that the wetted material is convenient to slide to the outside of the conveying pipe along the cambered surface under the action of self weight when conveyed to the discharge port;

drive the dwang through the driving piece around self axis circumferential direction to drive the puddler and stir the material in the conveyer pipe, thereby improve the stirring efficiency of material when the transportation, improve screw conveyer's result of use.

Drawings

Fig. 1 is a schematic view of the overall structure of a screw conveyor in the present application;

FIG. 2 is a schematic illustration of an exploded structure of a screw conveyor;

FIG. 3 is a cross-sectional view of a water storage tank;

FIG. 4 is a block diagram of the control of the screw conveyor;

FIG. 5 is a schematic view of a portion of the shaft and blade configuration;

FIG. 6 is a schematic view of the overall structure of the end of the rotating shaft away from the water storage tank;

fig. 7 is a schematic view of the overall structure of the driving member.

Description of reference numerals: 1. a base; 2. a delivery pipe; 21. a feed inlet; 22. a discharge port; 23. a first pipe body; 24. a second tube body; 25. a bump; 26. a groove; 3. a rotating shaft; 31. anti-blocking blocks; 32. a limit bolt; 33. a cavity; 4. a blade; 41. anti-slip strips; 5. a drive motor; 6. a stirring assembly; 61. rotating the rod; 62. a stirring rod; 63. a drive member; 631. a rack; 632. a transmission gear; 633. a swing rod; 634. a stepping motor; 7. a condensing assembly; 71. a condenser tube; 711. a liquid inlet end; 712. a liquid outlet end; 72. a water storage tank; 73. a refrigeration plate; 74. a one-way valve; 75. a booster pump; 76. a control valve; 8. a sound insulating shell.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses screw conveyer.

Referring to fig. 1 and 2, a screw conveyor comprises two bases 1, a conveying pipe 2, a rotating shaft 3, blades 4 and a driving motor 5, wherein the conveying pipe 2 is fixed on the two bases 1 through bolts, and the peripheral walls of two ends of the conveying pipe are respectively provided with a feeding hole 21 and a discharging hole 22; the two bases 1 are symmetrically arranged on the side walls of the two ends of the conveying end; the axis of the rotating shaft 3 and the axis of the conveying pipe 2 are arranged in a collinear manner, both ends of the rotating shaft are rotatably connected with the conveying pipe 2, and the end part of any one end of the rotating shaft is fixedly connected with the driving motor 5; the driving motor 5 is fixed on the side wall of the end part of the conveying end through bolts; the blades 4 are spirally welded on the outer wall of the rotating shaft 3; the rotating shaft 3 is rotatably connected with a plurality of stirring assemblies 6, and the stirring assemblies 6 are distributed at equal intervals along the length direction of the rotating shaft 3; outer wall fixed connection of conveyer pipe 2 is used for having condensation subassembly 7 to the conveyer pipe 2 cooling, and condensation subassembly 7 is connected with driving motor 5 communication.

Starting a driving motor 5, starting a condensing assembly 7 after the motor is started, starting a rotating shaft 3 to rotate circumferentially around the axis of the rotating shaft, pouring materials into a conveying pipe 2 from a feeding hole 21, and pushing the materials to a discharging hole 22 by a blade 4 which is spirally arranged, so that the materials can be conveyed; wherein the condensation assembly 7 absorbs heat generated by the conveying pipe 2, thereby improving the service life of the conveying pipe 2 and further improving the practicability of the conveyor.

Referring to fig. 2 and 3, the condensing assembly 7 includes a condensing pipe 71, a water storage tank 72, a refrigerating plate 73, a check valve 74, a pressurizing pump 75, and a control valve 76; the condensation pipe 71 is fixedly connected to the outer wall of the conveying pipe 2 and is arranged in a wavy and bent manner; so as to increase the contact area of the condensation duct 71 with the feed duct 2; the two ends of the condenser pipe 71 are respectively a liquid inlet end 711 for absorbing heat liquid to enter the condenser pipe 71 and a liquid outlet end 712 for absorbing heat liquid to leave the condenser pipe 71, the two ends are both connected into the water storage tank 72, and the refrigeration plate 73 is fixedly connected to the bottom of the water storage tank 72; the fixed position of the liquid inlet end 711 is lower than that of the liquid outlet end 712, so that the temperature of the liquid at the liquid inlet end 711 is the lowest when the liquid enters the condensation pipe 71; thereby improving the use effect of the condensation duct 71.

Referring to fig. 3 and 4, the check valve 74 is fixed on the inner wall of the liquid outlet end 712 to prevent the liquid in the water storage tank 72, which is not cooled, from flowing back to the condenser pipe 71 from the liquid outlet end 712; the booster pump 75 is fixed at the liquid inlet 711 to guide the liquid in the water storage tank 72 into the condenser pipe 71; the control valve 76 is fixed on the pipe section of the condensation pipe 71 close to the liquid inlet end 711 and is used for opening and closing the liquid inlet end 711; the signal input end of the control valve 76 is connected with the signal output end of the driving motor 5 in a communication way, and the control valve 76 and the booster pump 75 are started synchronously.

Referring to fig. 2, a sound insulation shell 8 is fixedly connected to the outer wall of the conveying pipe 2, the sound insulation shell 8 covers the outer part of the conveying pipe 2, and a condensation pipe 71 is located between the sound insulation shell and the outer wall of the conveying pipe 2; the sound insulation case 8 is filled with sound-absorbing cotton located between the condensation pipes 71 so as to further improve the noise reduction effect of the conveying pipe 2.

Referring to fig. 2 and 5, an anti-jamming block 31 is clamped in an included angle between the peripheral wall of the rotating shaft 3 and the upper surface of the blade 4, one side, away from the rotating shaft 3, of the anti-jamming block 31 is an inward-concave arc surface, the arc surface and the upper surface of the blade 4 are located at the same radian, a limiting bolt 32 is in threaded connection with the anti-jamming block 31, and the bottom end of the limiting bolt 32 penetrates through the anti-jamming block 31 and then is in threaded connection with the blade 4, so that the stability of the anti-jamming block 31 in use is improved.

The upper surface welding of blade 4 has a plurality of antislip strips 41, and a plurality of antislip strips 41 are along the spiral direction grade distribution of blade 4, and one side that blade 4 was kept away from to antislip strip 41 is the cambered surface setting.

Referring to fig. 2, the conveying pipe 2 includes a first pipe 23 and a second pipe 24, the first pipe 23 is bolted to the base 1, and the second pipe 24 is hinged to the first pipe 23; a lug 25 is convexly arranged on the hinged side of the second pipe body 24; the hinged side of the first tube 23 is concavely provided with a groove 26 for the convex block 25 to buckle into, and the groove 26 penetrates through the outer wall of the second tube 24; one side of the first pipe 23 away from the hinge side is bolted to the second pipe 24.

Referring to fig. 2 and 6, the agitating assembly 6 includes a rotating lever 61, an agitating lever 62, and a driving member 63; a cavity 33 is formed in the rotating shaft 3, the cavity 33 extends along the length direction of the rotating shaft 3, and the driving part 63 is arranged in the cavity 33; the rotating rod 61 is rotatably arranged through the rotating shaft 3, one end of the rotating rod is fixedly connected with the stirring rod 62, and the other end of the rotating rod penetrates through one side of the rotating shaft 3 to the inside of the cavity 33 and is fixedly connected with the driving part 63; the axis of the rotating rod 61 is perpendicular to the axis of the rotating shaft 3.

Referring to fig. 6 and 7, the driving member 63 includes two racks 631, a transmission gear 632, two swing levers 633 and a stepping motor 634; the two racks 631 are symmetrically meshed with two sides of the transmission gear 632, and the end parts of the racks penetrate through the inner wall of the cavity 33 to the outside of the rotating shaft 3; one end of the rotating rod 61, which is far away from the stirring rod 62, is coaxially fixed with the transmission gear 632; the two swing rods 633 are respectively arranged at two ends of the rack 631 and are rotatably connected with the rack 631, and one of the two swing rods 633 is coaxially fixed with the stepping motor 634; the stepping motor 634 is bolted to the outer wall of the end of the feed pipe 2.

The implementation principle of the screw conveyor in the embodiment of the application is as follows: starting a driving motor 5, wherein the driving motor 5 sends a starting signal to a control valve 76, the control valve 76 receives the starting signal to open a condensation pipe 71, after the motor is started, a rotating shaft 3 starts to rotate circumferentially around the axis of the rotating shaft, materials are poured into a conveying pipe 2 from a feeding hole 21, the spirally arranged blades 4 push the materials to a discharging hole 22, when the conveying pipe 2 is in conveying installation or inclined installation, the anti-slip strips 41 reduce the materials from falling downwards due to dead weight, meanwhile, a stepping motor 634 and the driving motor 5 are started synchronously, a rack 631 is driven to run back and forth through a swing rod 633, and therefore, the stirring rod 62 is driven by a rotating rod 61 to stir the materials in conveying, and the conveying efficiency of the conveyor is improved; the liquid absorbing heat is stored in the water storage tank 72 and cooled by the refrigeration plate, after cooling, the liquid is guided into the liquid inlet end 711 of the condensation pipe 71 by the booster pump 75, enters the condensation pipe 71 to cool the outer wall of the conveying pipe 2, and finally the liquid carrying heat absorbing heat is guided into the water storage tank 72 by the liquid outlet end 712 of the condensation pipe 71 and is cooled by the refrigeration plate for recycling; when needs are to 2 inner walls of conveyer pipe clearance, the bolted connection of the first body of contact 23 and second body 24 rotates second body 24 to one side around articulated side, can clear up the interior spare part of conveyer pipe 2.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A screw conveyor characterized by: comprises a base (1), a conveying pipe (2) arranged on the base (1), a rotating shaft (3) coaxially arranged in the conveying pipe (2) and blades (4) spirally arranged on the rotating shaft (3); the peripheral wall of the conveying pipe (2) is provided with a feed inlet (21) and a discharge outlet (22) which are communicated with the interior of the conveying pipe (2); the utility model discloses a blade, including conveyer pipe (2), pivot (3), conveyer pipe (2) inner wall, the tip of conveyer pipe (2) both ends arbitrary end is provided with driving motor (5), be provided with a plurality of antislip strip (41) on blade (4), the spiral direction equidistance distribution of blade (4) is followed in a plurality of antislip strip (41).

2. A screw conveyor according to claim 1, wherein: a clamping prevention block (31) is detachably connected to the joint of the rotating shaft (3) and the blade (4), and one side, far away from the rotating shaft (3), of the clamping prevention block (31) is arranged in a concave arc surface; the anti-clamping block (31) is in threaded connection with a limiting bolt (32), and the limiting bolt (32) penetrates through the anti-clamping block (31) and then is in threaded connection with the blade (4).

3. A screw conveyor according to claim 2, wherein: rotate in pivot (3) and be connected with a plurality of dwang (61), dwang (61) axis perpendicular to the axis of pivot (3), the one end lateral wall that pivot (3) were kept away from in dwang (61) is provided with puddler (62), cavity (33) have been seted up in pivot (3) inside, the one end that puddler (62) were kept away from in dwang (61) is located cavity (33) inner wall, pivot (3) are provided with drive dwang (61) circumferential direction's driving piece (63), driving piece (63) are located inside cavity (33).

4. A screw conveyor according to claim 1, wherein: one side of the anti-slip strip (41) far away from the blade (4) is arranged in a cambered surface manner.

5. A screw conveyor according to claim 1, wherein: conveyer pipe (2) are including installing first body (23) on base (1) and articulating second body (24) on first body (23), the articulated side protrusion of second body (24) is provided with lug (25), the articulated side indent of first body (23) is provided with recess (26) that can supply lug (25) to detain.

6. A screw conveyor according to claim 5, wherein: a condensation pipe (71) is arranged on the peripheral wall of the conveying pipe (2); liquid for absorbing heat flows in the condensation pipe (71), and extends in a wave shape along the length direction of the conveying pipe (2).

7. A screw conveyor according to claim 6, wherein: and sound absorption cotton is filled between the condensation pipes (71).

8. A screw conveyor according to claim 7, wherein: the outer wall of conveyer pipe (2) can be dismantled and be connected with and cover sound-absorbing cotton and sound-proof shell (8) of condenser pipe (71).