CN113044494A - Return type screw conveyer - Google Patents
Return type screw conveyer Download PDFInfo
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- CN113044494A CN113044494A CN202110438823.2A CN202110438823A CN113044494A CN 113044494 A CN113044494 A CN 113044494A CN 202110438823 A CN202110438823 A CN 202110438823A CN 113044494 A CN113044494 A CN 113044494A
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- cylinder
- material conveying
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- conveying
- blade
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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
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
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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
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/26—Screws
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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
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/32—Adaptations of bearings or couplings for supporting and connecting screws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Screw Conveyors (AREA)
Abstract
The invention discloses a double-spiral conveyer, which comprises a conveying outer cylinder and a conveying inner cylinder, wherein the conveying outer cylinder is provided with a plurality of conveying holes; a space between the material conveying outer cylinder and the material conveying inner cylinder is a first material conveying channel, and the material conveying inner cylinder is hollow to form a second material conveying channel; the outer spiral blades are arranged outside the material conveying inner cylinder, and the inner spiral blades are arranged inside the material conveying inner cylinder; the material in the first material conveying channel is conveyed towards one side far away from the motor component through the outer spiral blade; the material in the second material conveying channel is conveyed towards one end of the motor component through the inner spiral paddle. The screw conveyer can realize that the conveying length is 1-8 m without the support of an inner shaft bracket, the support-free support result is formed by the outer screw blade, the conveying inner cylinder and the inner screw blade, and the unidirectional rotation realizes bidirectional discharging, namely, the output of the outer material of the outer screw blade is realized, and the material transmission from the first conveying channel to the second conveying channel is also realized, thereby the output of the inner material of the inner screw blade is also realized.
Description
Technical Field
The invention relates to the technical field of material conveying, in particular to a spiral conveyer.
Background
Screw conveyer is the machinery commonly used for material transmission and extrusion, and screw conveyer usually realizes getting into the defeated material of the interior material of transport cylinder through the inside propeller blade of transport cylinder, and the motor drive inside propeller blade through the conveyer is rotatory to accomplish the unloading.
The screw conveyer among the prior art needs to utilize the bracket to support because conveying line is overlength, and simultaneously, the propeller blade structure among the prior art is also comparatively simple and easy, often appears the material and blocks up the phenomenon of wall built-up at a conveying section of thick bamboo inner wall, seriously influences the progress of unloading, and damages the conveyer easily.
Therefore, in view of the above technical problems, there is a need for developing a loop type screw conveyor.
Disclosure of Invention
The invention aims to provide a reverse spiral conveyor which can realize the bracket-free design with the length ranging from 1 to 8 meters and can realize the rotation in the same direction and the bidirectional discharging.
In order to achieve the above purpose, the invention provides the following technical scheme:
the invention relates to a reverse spiral conveyor, comprising:
a material conveying outer cylinder;
the material conveying inner cylinder is integrated in the material conveying outer cylinder and extends along the axial direction of the material conveying outer cylinder;
the outer wall of the material conveying inner cylinder is smaller than the inner wall of the material conveying outer cylinder, and a space between the material conveying outer cylinder and the material conveying inner cylinder is a first material conveying channel;
the inner part of the material conveying inner cylinder is hollow to form a second material conveying channel;
the outer spiral blades are arranged outside the material conveying inner cylinder, and the inner spiral blades are arranged inside the material conveying inner cylinder;
this return type screw conveyer still includes:
the motor component is integrated at one end of the material conveying outer cylinder and is in transmission with the material conveying inner cylinder;
the motor component drives the outer spiral blade and the inner spiral blade to synchronously rotate;
the material in the first material conveying channel is conveyed towards one side far away from the motor component through the outer spiral blade;
and materials in the second material conveying channel are conveyed towards one end of the motor component through the inner spiral paddle.
Further, the double-screw conveyer is provided with a feeding hole and a discharging hole;
one side of the conveying inner cylinder, which is close to the motor component, is configured into an inner spiral material cylinder, and one side of the conveying inner cylinder, which is far away from the motor component, is configured into an outer spiral material cylinder;
the feed inlet is divided into an inner spiral feed inlet and an outer spiral feed inlet;
the outer conveying outer cylinder is connected with at least one outer spiral feeding hole, the at least one outer spiral feeding hole is arranged in the range of the outer spiral material cylinder, and the outer spiral feeding hole is communicated with the first conveying channel to convey materials into the first conveying channel;
the conveying outer barrel is connected with at least one inner spiral feeding hole, the at least one inner spiral feeding hole is arranged in the range of the inner spiral material barrel, and the inner spiral feeding hole is communicated with the second conveying channel to convey materials into the second conveying channel;
the discharge port is divided into an inner spiral discharge port and an outer spiral discharge port;
the outer conveying outer cylinder is connected with at least one outer spiral discharge hole, the at least one outer spiral discharge hole is arranged in the range of the outer spiral material cylinder, and the outer spiral discharge hole is communicated with the first conveying channel to output materials outwards;
at least one inner spiral discharge port is connected to the conveying outer cylinder, at least one inner spiral discharge port is arranged in the range of the inner spiral material cylinder, and the inner spiral discharge port is communicated with the first conveying channel to output materials outwards.
Furthermore, a plurality of material outlets are uniformly formed in the surface of the inner spiral material barrel.
Furthermore, one end of the material conveying inner cylinder, which is far away from the motor component, is of an open structure to form a material guide inner inlet;
a material guide inner paddle component is arranged at a material guide inner inlet of the material conveying inner cylinder;
the material guide inner blade assembly is provided with a material guide inner blade extending along an arc-shaped track, and materials in the first material conveying channel are guided into the second material conveying channel through the material guide inner blade.
Further, the motor assembly includes:
a servo motor;
the speed reducer is connected with the output end of the servo motor; and
the inner support spline shaft is in transmission connection with the output end of the speed reducer;
the power of the servo motor is transmitted to the material conveying inner barrel through a speed reducer and the inner support spline shaft;
the motor assembly further includes:
a torque limiter.
Furthermore, a force storage buffer spring is sleeved outside the inner support inter-flower shaft.
Further, the material guiding inner blade assembly comprises:
the paddle supporting cylinder is arranged at the end part of one end of the material conveying outer cylinder, which is far away from the motor component;
the inner support ball spline shaft extends along the axial direction of the material conveying inner cylinder; and
an outer ball sliding sleeve matched with the inner support ball spline shaft;
the material guide inner paddle is arranged on one side of the inner support ball spline shaft close to the material conveying inner barrel;
one end of the material guide inner paddle extends towards the inner wall of the material conveying outer cylinder, and the other end of the material guide inner paddle extends towards the inside of the material conveying inner cylinder to form material flow guide;
and a force storage buffer spring is sleeved outside the outer ball sliding sleeve.
Furthermore, the paddle support cylinder is assembled with the material conveying outer cylinder through the quick-opening floating head, and the inner support ball spline shaft is rotatably connected with the paddle support cylinder through the outer support bearing.
Further, the outer and inner helical blades are each configured as a flat arc type helical blade;
the lower end and the lower end of the flat-arc type propeller blade are provided with arc-shaped bodies, and the part between the two arc-shaped bodies is formed into a flat-straight blade body.
Furthermore, a reverse paddle which is opposite to the rotating direction of the corresponding paddle is arranged at a position close to one end of the motor component;
the corresponding discharge port of the double-screw conveyer is provided with a vertical stirring blade for scattering materials.
In the technical scheme, the invention provides the zigzag screw conveyor which has the following beneficial effects:
the screw conveyer can realize that the conveying length is 1-8 m without the support of an inner shaft bracket, the support-free support result is formed by the outer screw blade, the conveying inner cylinder and the inner screw blade, and the unidirectional rotation realizes bidirectional discharging, namely, the output of the outer material of the outer screw blade is realized, and the material transmission from the first conveying channel to the second conveying channel is also realized, thereby realizing the output of the inner material of the inner screw blade.
The screw conveyor is driven by the motor assembly, the material guide inner paddle is integrated at the other end in a quick floating head opening mode, the shaft part of the inner support ball spline is embedded into the material conveying inner barrel, and the material conveying inner barrel is designed to be hollow without an inner shaft, so that the quick floating head can be quickly detached, and the paddle can be conveniently cleaned.
The spiral conveyor can also mix more than two materials to achieve the purposes of conveying and mixing, and the bidirectional discharging refers to the discharging in the front and back or left and right directions of the feeding hole.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
Fig. 1 is a schematic structural diagram of a loop-type screw conveyor according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the arrangement positions of a feed inlet and a discharge outlet of a reverse spiral conveyor provided by an embodiment of the invention;
fig. 3 is a cross-sectional view of a material guiding inner paddle assembly of a reverse spiral conveyor provided in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a reverse blade and a vertical stirring blade of a reverse screw conveyor provided in an embodiment of the invention;
fig. 5 is a first schematic structural diagram of a material guiding inner paddle assembly of a loop-type screw conveyor according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a material guiding inner paddle assembly of the reverse spiral conveyor according to the embodiment of the present invention;
fig. 7 is a schematic structural forming position diagram of a flat-arc type propeller blade of a loop type screw conveyor provided in an embodiment of the present invention;
fig. 8 is a schematic structural view of a flat-arc type propeller blade of a loop type screw conveyor according to an embodiment of the present invention;
fig. 9 is a schematic view of a working state of a flat-arc type propeller blade of a loop type screw conveyor provided by an embodiment of the invention acting on a material.
Description of reference numerals:
1. a material conveying outer cylinder; 2. a material conveying inner cylinder; 3. a motor assembly; 4. the material guiding inner paddle component; 5. a power storage buffer spring; 6. a reverse paddle; 7. a vertical stirring paddle;
10. material preparation;
101. a first material conveying channel; 102. an outer propeller blade; 103. a flat arc type propeller blade;
201. an outer spiral barrel; 202. an inner spiral charging barrel; 203. an inner helical blade; 204. a material outlet;
301. a servo motor; 302. a speed reducer; 303. an inner supporting spline shaft; 304. a torque limiter;
401. quickly opening the floating head; 402. an inner support ball spline shaft; 403. an outer ball sliding sleeve; 404. the material guiding inner paddle; 405. an outer support bearing; 406. an outer blade support cylinder;
601. a discharge buffer region;
10301. an arc-shaped body; 10302. and (4) straightening the blade body.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
See fig. 1-9;
the invention relates to a reverse spiral conveyor, comprising:
a material conveying outer cylinder 1;
the material conveying inner cylinder 2 is integrated in the material conveying outer cylinder 1 and extends along the axial direction of the material conveying outer cylinder 1;
the outer wall of the material conveying inner cylinder 2 is smaller than the inner wall of the material conveying outer cylinder 1, and the space between the material conveying outer cylinder 1 and the material conveying inner cylinder 2 is a first material conveying channel 101;
the inner part of the material conveying inner cylinder 2 is hollow to form a second material conveying channel;
the outer spiral blades 102 are arranged outside the material conveying inner cylinder 2, and the inner spiral blades 203 are arranged inside the material conveying inner cylinder 2;
this return type screw conveyer still includes:
the motor component 3 is integrated at one end of the material conveying outer cylinder 1 and is in transmission with the material conveying inner cylinder 2;
the motor component 3 drives the outer helical blade 102 and the inner helical blade 203 to synchronously rotate;
the material 10 in the first material conveying channel 101 is conveyed towards the side far away from the motor component 3 through the outer spiral blades 102;
the material 10 in the second material conveying channel is conveyed towards one end of the motor assembly 3 through the inner spiral blade 203.
Specifically, the present embodiment discloses a dual-direction material conveying and discharging circular screw conveyor, in order to realize a support structure without a bracket, the present embodiment designs a material conveying outer cylinder 1 and a material conveying inner cylinder 2 which are sleeved with each other, wherein the material conveying outer cylinder 1 and the material conveying inner cylinder 2 are coaxially arranged, the material conveying inner cylinder 2 is embedded inside the material conveying outer cylinder 1, a first material conveying channel 101 is formed between the material conveying outer cylinder 1 and the material conveying inner cylinder 2, and a material 10 in the first material conveying channel 101 conveys the material along a first direction through the outer screw blades 102; the material conveying inner cylinder 2 is hollow to form a second material conveying channel, the material 10 in the second material conveying channel conveys the material along the second direction through the inner spiral blades 203, the first direction and the second direction of the embodiment are opposite, so that bidirectional discharging is realized, one or more feed inlets and discharge outlets can be arranged at corresponding positions according to the process requirements and the discharging requirements, and the valve is used for controlling the discharging switch so as to meet different process requirements and discharging requirements.
Preferably, the screw conveyer of this embodiment has a feed inlet and a discharge outlet;
one side of the material conveying inner cylinder 2, which is close to the motor component 3, is configured into an inner spiral material cylinder 202, and one side of the material conveying inner cylinder 2, which is far away from the motor component 3, is configured into an outer spiral material cylinder 201;
the feed inlet is divided into an inner spiral feed inlet and an outer spiral feed inlet;
the outer material conveying outer cylinder 1 is connected with at least one outer spiral feeding hole, the at least one outer spiral feeding hole is arranged in the range of the outer spiral material cylinder 201, and the outer spiral feeding hole is communicated with the first material conveying channel 101 so as to convey materials into the first material conveying channel 101;
at least one internal spiral feed inlet is connected to the material conveying outer barrel 2, the at least one internal spiral feed inlet is arranged in the range of the internal spiral material barrel 202, and the internal spiral feed inlet is communicated with the second material conveying channel to convey materials into the second material conveying channel;
the discharge port is divided into an inner spiral discharge port and an outer spiral discharge port;
the material conveying outer cylinder 1 is connected with at least one external screw discharge port, the at least one external screw discharge port is arranged in the range of the external screw cylinder 201, and the external screw discharge port is communicated with the first material conveying channel 101 to output materials 10 outwards;
at least one internal spiral discharge port is connected to the material delivery outer cylinder 1, the at least one internal spiral discharge port is arranged in the range of the internal spiral barrel 202, and the internal spiral discharge port is communicated with the first material delivery channel 101 to output the material 10 outwards.
The distribution of the feeding ports and the discharging ports of the spiral conveyer is described in detail, and since the outer spiral blade 102 and the inner spiral blade 203 are designed in this embodiment, the conveying inner cylinder 2 is divided into two main areas, namely the inner spiral cylinder 202 and the outer spiral cylinder 201, according to the design principle of discharging at two ends, and meanwhile, a plurality of outer spiral feeding ports are designed in the area where the outer spiral cylinder 201 is located to convey materials into the first conveying channel 101, and a plurality of inner spiral feeding ports are designed in the area where the inner spiral cylinder 202 is located to convey materials 10 into the second conveying channel. In addition, the second material conveying channel of this embodiment does not only rely on the feeding of the inner screw feeding port, and one end of the material conveying inner cylinder 2 far away from the motor assembly 3 of this embodiment has the material guiding inner paddle assembly 4 capable of guiding the material 10 in the first material conveying channel 101 to the second material conveying channel, when the material 10 is conveyed to the position in the first material conveying channel 101, according to the process requirements, the material guiding inner paddle assembly 4 can be utilized to guide the end part of the material conveying inner cylinder 2 having part of the material to the second material conveying channel, and under the mutual extrusion of the material 10 and the driving of the inner screw paddle 203, the material 10 in the second material conveying channel is conveyed along the second direction until the material is discharged.
And according to the discharging requirements of different process requirements and discharging modes, a plurality of discharging hole structures are designed, the principle of the discharging hole structures is similar to that of the feeding hole structures, and the details are not repeated.
More preferably:
a plurality of material outlets 104 are uniformly arranged on the surface of the inner spiral barrel 203.
Preferably, in the embodiment, one end of the material conveying inner cylinder 2, which is far away from the motor assembly 3, is of an open structure to form a material guiding inner inlet;
a material guide inner paddle component 4 is arranged at a material guide inner inlet of the material conveying inner cylinder 2;
the material guiding inner blade assembly 4 has a material guiding inner blade 404 extending in an arc-shaped track, and the material 10 in the first material conveying channel 101 is guided into the second material conveying channel by the material guiding inner blade 404.
Wherein, above-mentioned motor element 3 includes:
a servo motor 301;
a speed reducer 302 connected to an output end of the servo motor 301; and
an inner support spline shaft 303 in transmission connection with the output end of the speed reducer 302;
the power of the servo motor 301 is transmitted to the material conveying inner barrel 2 through the speed reducer 302 and the inner support spline shaft 303;
the motor assembly 3 further includes:
a torque limiter 304. In the present embodiment, a torque limiter 304 is integrated in the motor unit 3, and the torque limiter 304 can prevent overload protection of the servo motor 301, the speed reducer 302, and the inner support spline shaft 303 when the device is stuck.
Meanwhile, in order to play a certain role in buffering and protecting the power transmission process, the force storage buffer spring 5 is sleeved outside the inner support interbody shaft 303 in the embodiment.
In addition, the material guiding inner blade assembly 4 of the present embodiment includes:
the blade support cylinder 406 is arranged at the end part of one end of the material conveying outer cylinder 1, which is far away from the motor component 3;
an inner support ball spline shaft 402 extending axially along the feed delivery inner cylinder 2; and
an outer ball runner 403 cooperating with the inner support ball spline shaft 402;
a material guide inner paddle 404 is arranged on one side of the inner support ball spline shaft 402 close to the conveying inner barrel 2;
one end of the material guiding inner paddle 404 extends towards the inner wall of the material conveying outer cylinder 1, and the other end of the material guiding inner paddle 404 extends towards the inside of the material conveying inner cylinder 2 to form the flow guide of the material 10;
the outer ball sliding sleeve 403 is externally sleeved with a power storage buffer spring 5.
The blade support cylinder 406 is assembled with the outer delivery cylinder 1 through the quick-opening floating head 401, and the inner support ball spline shaft 402 is rotatably connected with the blade support cylinder 406 through the outer support bearing 405.
This department has introduced in detail the concrete structure that can lead material in the first defeated material passageway 101 to the defeated material paddle subassembly 4 of material in the second defeated material passageway, at first in order to realize quick assembly disassembly so that can clear up the paddle, this embodiment is installed with the mode of quick-open floating head 401, and simultaneously, defeated material inner tube 2 can drive and support ball spline shaft 402 and rotate, thereby drive material and lead inner paddle 404 and rotate, when the material reaches the material and leads inner paddle 404 department and utilize the arc design of material to lead inner paddle 404 to lead the material to the defeated material passageway of second in. The power storage buffer spring 5 has the same function as one end of the motor component 3, and can play a certain role in buffering and protecting.
In addition, the material guiding inner paddle 404 of the embodiment is formed with an inner guiding and outer guiding and guiding material returning groove, and can realize rotation in two directions, namely forward and backward directions, so as to realize the guiding or guiding of the material 10, thereby ensuring that the material 10 is not extruded on the cylinder. The motor can be a stator or a rotor, so that the motor is suitable for the design that both ends are provided with bearings, and is also suitable for the design that one end is provided with a motor and a speed reducer, and the other end is provided with or without a bearing, and the motor has good applicability.
Preferably, in order to solve the problem that the materials often block the wall hanging in the channel in the prior art, the outer helical blade 102 and the inner helical blade 203 of the present embodiment are both configured as a flat arc type helical blade 103;
the lower end and the lower end of the flat arc type propeller blade 103 each have an arc-shaped body 10301, and a portion between the two arc-shaped bodies 10301 is formed as a flat blade body 10302.
The flat-arc type propeller blade 103 of the present embodiment is that the edge of the inner and outer blades of the propeller blade is in an arc structure, that is, the inner and outer blades of the propeller blade are both formed into arc-shaped extended arc-shaped bodies 10301, and meanwhile, a flat blade body 10302 is arranged between the two arc-shaped bodies 10301, so that the design is helpful for aligning the positions of the propeller blade and the cylinder body by means of the extrusion of the material 10 under the action of the arc-shaped bodies 10301 of the inner blade, so that the propeller blade and the cylinder body are always positioned at the same axial center; under the action of the arc-shaped bodies 10301 of the outer blades, the outer shell can be better separated by the extruded materials 10 in the pushing process of the main materials 10, and the edge materials 10 can move towards the flat arc due to the non-flat surfaces, so that the friction resistance of the materials 10 on the shell is reduced. In addition, the straight paddle bodies 10302 help the outer blades to impart a rolling motion to the material 10 and achieve a gentle deployment during the pushing of the material 10.
Finally, a reverse paddle 6 with the rotation direction opposite to that of the corresponding paddle is arranged at the position close to one end of the motor component 3;
a vertical stirring blade 7 for scattering materials 10 is arranged at a corresponding discharge port of the double-screw conveyer.
In this embodiment, a circle of elliptical and closed reverse paddle 6 is installed at the tip part and the tail end of the paddle, the reverse direction means that the top end of the elliptical edge faces the top end of the paddle of the device, a paddle-free area is arranged between the reverse paddle 6 and the paddle of the device, and a trapezoidal space is formed to serve as a discharging buffer area 601, and the discharging buffer area 601 is used for centrifugal gravity discharging.
The pitch of the elliptic and closed reverse paddle 6 is 1/3 or 1/2 times of that of the feeding paddle, so that the reverse pushing of the material 10 is realized, and the consequences that the material 10 extrudes the side surface of the end to cause damage to a seal, a bearing and the like when the discharging is not smooth are avoided.
If a single reverse paddle 6 is installed, the utility model can not be used for rotating in both reverse and forward directions. If the material 10 is clamped in the stirring cage and needs to be started reversely, the material 10 can be clamped into a seal, a bearing and the like by the material 10 brought by a single stirring cage blade, so that the material running phenomenon is caused. The counter-blade 6 must be closed.
The outer conveying cylinder 1 of the embodiment is externally provided with a jacket, and the conveying material 10 can be heated or cooled by a device through ice water, hot water, steam and other media.
In the technical scheme, the invention provides the zigzag screw conveyor which has the following beneficial effects:
the screw conveyer can realize that the conveying length is 1-8 m without the support of an inner shaft bracket, the support result without support is formed by the outer screw propeller blade 102, the conveying inner cylinder 2 and the inner screw propeller blade 203, and the unidirectional rotation realizes bidirectional discharging, namely, the output of the outer material 10 of the outer screw propeller blade 102 is realized, and the transmission of the material 10 from the first conveying channel 101 to the second conveying channel is also realized, thereby realizing the output of the inner material 10 of the inner screw propeller blade 203.
The screw conveyor is driven by the motor component 3, the material guide inner paddle 404 is integrated at the other end in a quick-opening floating head 401 mode, the inner support ball spline shaft 402 is partially embedded into the material conveying inner cylinder 2, and the quick-opening floating head 401 can be quickly disassembled due to the hollow design of the material conveying inner cylinder 2 without an inner shaft, so that the paddles are convenient to clean.
The spiral conveyor can also mix more than two materials to achieve the purposes of conveying and mixing, and the bidirectional discharging refers to the discharging in the front and back or left and right directions of the feeding hole.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.
Claims (10)
1. A reverse screw conveyor, characterized in that it comprises:
a material conveying outer cylinder (1);
the material conveying inner cylinder (2) is integrated in the material conveying outer cylinder (1) and extends along the axial direction of the material conveying outer cylinder (1);
the outer wall of the material conveying inner cylinder (2) is smaller than the inner wall of the material conveying outer cylinder (1), and a space between the material conveying outer cylinder (1) and the material conveying inner cylinder (2) is a first material conveying channel (101);
the inner conveying inner cylinder (2) is hollow to form a second conveying channel;
an outer spiral blade (102) is installed outside the material conveying inner cylinder (2), and an inner spiral blade (203) is installed inside the material conveying inner cylinder (2);
this return type screw conveyer still includes:
the motor component (3) is integrated at one end of the material conveying outer cylinder (1) and is in transmission with the material conveying inner cylinder (2);
the motor component (3) drives the outer spiral blade (102) and the inner spiral blade (203) to synchronously rotate;
the material (10) in the first conveying channel (101) is conveyed towards the side far away from the motor component (3) through the outer spiral blade (102);
and the material (10) in the second material conveying channel is conveyed towards one end of the motor component (3) through the inner spiral paddle (203).
2. A spiral clip-type screw conveyor according to claim 1, having a feed inlet and a discharge outlet;
one side, close to the motor component (3), of the conveying inner cylinder (2) is configured to be an inner spiral cylinder (202), and one side, far away from the motor component (3), of the conveying inner cylinder (2) is configured to be an outer spiral cylinder (201);
the feed inlet is divided into an inner spiral feed inlet and an outer spiral feed inlet;
the material conveying outer cylinder (1) is connected with at least one external screw feeding hole, the at least one external screw feeding hole is arranged in the range of the external screw material cylinder (201), and the external screw feeding hole is communicated with the first material conveying channel (101) to convey materials (10) into the first material conveying channel (101);
the material conveying outer barrel (1) is connected with at least one inner spiral feed port, the at least one inner spiral feed port is arranged in the range of the inner spiral material barrel (202), and the inner spiral feed port is communicated with the second material conveying channel to convey materials (10) into the second material conveying channel;
the discharge port is divided into an inner spiral discharge port and an outer spiral discharge port;
the material conveying outer cylinder (1) is connected with at least one external screw discharge hole, the at least one external screw discharge hole is arranged in the range of the external screw material cylinder (201), and the external screw discharge hole is communicated with the first material conveying channel (101) to output materials (10) outwards;
at least one internal spiral discharge port is connected to the material conveying outer barrel (1), at least one internal spiral discharge port is arranged in the range where the internal spiral material barrel (202) is located, and the internal spiral discharge port is communicated with the first material conveying channel to output materials (10) outwards.
3. The reverse spiral conveyor according to claim 2, wherein the inner spiral barrel (202) has a plurality of material outlets (204) uniformly formed on the surface thereof.
4. The clip-type screw conveyor according to claim 2, wherein the end of the conveying inner cylinder (2) far away from the motor assembly (3) is open to form a material guiding inner inlet;
a material guide inner paddle component (4) is arranged at a material guide inner inlet of the material conveying inner cylinder (2);
the material guiding inner paddle component (4) is provided with a material guiding inner paddle (404) extending in an arc-shaped track, and materials (10) in the first material conveying channel (101) are guided into the second material conveying channel through the material guiding inner paddle (404).
5. A loop screw conveyor according to claim 4, characterized in that the motor assembly (3) comprises:
a servo motor (301);
a speed reducer (302) connected with the output end of the servo motor (301); and
the inner support spline shaft (303) is in transmission connection with the output end of the speed reducer (302);
the power of the servo motor (301) is transmitted to the material conveying inner cylinder (2) through a speed reducer (302) and an inner supporting spline shaft (303);
the motor assembly (3) further comprises:
a torque limiter (304).
6. The clip-type screw conveyor according to claim 5, wherein the inner support flower shaft (303) is externally sleeved with a power storage buffer spring (6).
7. A clip-type screw conveyor according to claim 5, wherein the material guiding inner paddle assembly (4) comprises:
the paddle support cylinder (406) is arranged at the end part of one end, far away from the motor component (3), of the material conveying outer cylinder (1);
an inner support ball spline shaft (402) extending axially along the conveying inner cylinder (2); and
an outer ball runner (403) cooperating with the inner support ball spline shaft (402);
the material guide inner paddle (404) is arranged on one side, close to the conveying inner barrel (2), of the inner support ball spline shaft (402);
one end of the material guide inner paddle (404) extends towards the inner wall of the material conveying outer cylinder (1), and the other end of the material guide inner paddle (404) extends towards the inside of the material conveying inner cylinder (2) to form the flow guide of the material (10);
and a force storage buffer spring (5) is sleeved outside the outer ball sliding sleeve (403).
8. The screw conveyor of claim 7, wherein the blade support cylinder is assembled with the outer feed delivery cylinder (1) by a quick-opening floating head (401), and the inner support ball spline shaft (402) is rotatably connected with the blade support cylinder (406) by an outer support bearing (405).
9. A loop screw conveyor according to claim 1, wherein the outer (102) and inner (203) screw blades are each configured as a flat arc screw blade (103);
the lower end and the lower end of the flat arc type propeller blade (103) are provided with arc-shaped bodies (10301), and the part between the two arc-shaped bodies (10301) is formed into a flat blade body (10302).
10. A clip-type screw conveyor according to claim 2, characterized in that a counter-blade (6) is mounted close to one end of the motor assembly (3) in a direction opposite to the rotation direction of the corresponding blade;
the corresponding discharge port of the double-screw conveyer is provided with a vertical stirring blade (7) used for scattering materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110438823.2A CN113044494A (en) | 2021-04-23 | 2021-04-23 | Return type screw conveyer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110438823.2A CN113044494A (en) | 2021-04-23 | 2021-04-23 | Return type screw conveyer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113044494A true CN113044494A (en) | 2021-06-29 |
Family
ID=76519994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110438823.2A Pending CN113044494A (en) | 2021-04-23 | 2021-04-23 | Return type screw conveyer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113044494A (en) |
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2021
- 2021-04-23 CN CN202110438823.2A patent/CN113044494A/en active Pending
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