Shaftless spiral material conveying device

Abstract

The utility model relates to the technical field of material conveying equipment, in particular to a shaftless spiral material conveying device which comprises a motor, a driving shaft, a synchronous plate, a conveying shell, shaftless spiral blades, a power transmission mechanism, an auxiliary conveying mechanism and a reinforcing mechanism. The driving shaft penetrates through and is connected into the conveying shell, the end of the shaftless spiral blade is fixedly connected to the synchronous plate, the axis of the driving shaft is parallel to the axis of the shaftless spiral blade, the conveying end of the auxiliary conveying mechanism and the shaftless spiral blade are arranged in a staggered mode, and the driving shaft and the reinforcing mechanism are located at the two ends of the conveying shell respectively. One end of the reinforcing mechanism is rotationally connected to the inner wall of the end, away from the driving shaft, of the conveying shell, the other end of the reinforcing mechanism is fixedly connected to the end, away from the motor, of the shaftless spiral blade, and the power transmission mechanism is connected between the reinforcing mechanism and the auxiliary conveying mechanism. The method has the advantage that the production safety is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of material conveying equipment, and in particular to a shaftless spiral material conveying device. BACKGROUND

[0002] The shaftless spiral conveyor is a kind of machine for conveying articles, compared with the traditional shaft spiral conveyor, it adopts the design without central shaft, and pushes the material by the whole steel spiral with certain flexibility, thus having the outstanding advantage of anti-winding.

[0003] With the popularization and application of the spiral conveyor in various industries, higher requirements are put forward for the performance of the spiral conveyor, and the shaftless conveyor greatly avoids the damage and failure caused by material blockage and winding because it has no central shaft and relies on the rotation of the shaftless spiral blade to push the material transportation.

[0004] The shaftless spiral conveyor comprises a shaftless spiral blade arranged in a conveying housing, the shaftless spiral blade is driven to rotate by a motor, the shaftless spiral blade is in the form of equal diameter and variable pitch, one end of the shaftless spiral blade is connected with the motor for driving, and the other end is suspended, when the shaftless spiral blade is relatively long, the shaftless spiral blade will be pressed down under the action of gravity and will be in contact and friction with the housing, which is easy to cause fatigue cracking of the shaftless spiral blade component and has a great risk. CONTENT OF THE INVENTION

[0005] In order to improve the production safety, the present application provides a shaftless spiral material conveying device.

[0006] The shaftless spiral material conveying device provided by the present application adopts the following technical scheme:

[0007] A shaftless spiral material conveying device, a motor, a driving shaft, a synchronous plate, a conveying housing, a shaftless spiral blade, a reinforcing mechanism rotatably connected to the conveying housing, a power transmission mechanism connected to the reinforcing mechanism, and an auxiliary conveying mechanism connected to the conveying housing, the output end of the motor is fixedly connected to the driving shaft, the driving shaft is fixedly connected to the synchronous plate, the driving shaft penetrates the inside of the conveying housing and is connected thereto, the end of the shaftless spiral blade is fixedly connected to the synchronous plate, the axis of the driving shaft is parallel to the axis of the shaftless spiral blade, the transportation end of the auxiliary conveying mechanism and the shaftless spiral blade are staggered, the driving shaft and the reinforcing mechanism are respectively located at two ends of the conveying housing, one end of the reinforcing mechanism is rotatably connected to the inner wall of the end of the conveying housing away from the driving shaft, the other end of the reinforcing mechanism is fixedly connected to the end of the shaftless spiral blade away from the motor, and the power transmission mechanism is connected between the reinforcing mechanism and the auxiliary conveying mechanism.

[0008] By adopting the technical scheme, the two ends of the shaftless spiral blade are limited and fixed by the reinforcing mechanism and the driving shaft and the synchronous plate, so that the two ends of the shaftless spiral blade are stressed, the possibility of the end of the shaftless spiral blade being pressed down is reduced, and the production safety is improved; meanwhile, when the motor and the driving shaft and the synchronous plate drive the shaftless spiral blade to rotate, the shaftless spiral blade drives the reinforcing mechanism to rotate, and under the driving of the power transmission mechanism, the movement end of the auxiliary conveying mechanism moves, and meanwhile, the materials are conveyed, so that the working strength of the shaftless spiral blade is reduced, and the production safety is improved.

[0009] Optionally, the auxiliary conveying mechanism comprises mounting plates connected to the conveying shell and shafted spiral blades rotationally connected to the mounting plates, the number of the mounting plates is two, the rotation shafts of the shafted spiral blades are rotationally connected to the two mounting plates respectively, the axes of the shafted spiral blades are parallel to the axis of the shaftless spiral blade, the shafted spiral blades are located above the shaftless spiral blade, the shafted spiral blades and the shaftless spiral blade are staggered, the shafted spiral blades and the shaftless spiral blade convey the materials to the same direction, the feeding port of the conveying shell is located on the side of the conveying shell, and the rotation shafts of the shafted spiral blades are connected to the power transmission mechanism.

[0010] By adopting the technical scheme, when the motor is started, the motor drives the shaftless spiral blade to rotate, and meanwhile, the reinforcing mechanism is driven to rotate between the conveying shells, under the action of the power transmission mechanism, the shafted spiral blades rotate under the limitation of the mounting plates, the transmission of the materials is realized, the working strength of the shaftless spiral blade is reduced, the possibility of the shaftless spiral blade being broken or sinking is reduced, the service life of the shaftless spiral blade is prolonged, and the working safety is improved.

[0011] Optionally, the reinforcing mechanism comprises reinforcing shafts rotationally connected to the conveying shells, reinforcing plates fixedly connected to the reinforcing shafts, and reinforcing rods fixedly connected to the reinforcing plates, and the ends of the reinforcing rods away from the reinforcing plates are fixedly connected to the ends of the shaftless spiral blades.

[0012] By adopting the technical scheme, the reinforcing shafts can realize the rotation of the shaftless spiral blade, the reinforcing plates provide installation positions for the reinforcing shafts and the reinforcing rods, the reinforcing rods realize the fixation of the shaftless spiral blade and the reinforcing mechanism, the ends of the shaftless spiral blade are fixed, the possibility of the ends of the shaftless spiral blade being pressed down is reduced, and the production safety is improved.

[0013] Optionally, the power transmission mechanism comprises two belt pulleys, the two belt pulleys are arranged along the vertical direction, the reinforcing shaft passes through and is fixedly connected to the center of one of the belt pulleys, the rotating shaft of the shafted spiral blade passes through and is fixedly connected to the center of the other belt pulley, and the belt is arranged between the belt pulleys.

[0014] By adopting the above technical scheme, when the reinforcing shaft rotates, the lower belt pulley is driven to rotate, the upper belt pulley is driven to rotate under the action of the belt, and finally the shafted spiral blade is driven to rotate, so that the power transmission purpose is achieved.

[0015] Optionally, the number of reinforcing rods is multiple, and the multiple reinforcing rods are uniformly arranged on the surface of the reinforcing plate.

[0016] By adopting the above technical scheme, the connection stability of the shaftless spiral blade is improved, the rotation of the shaftless spiral blade is more stable, and the possibility of the end of the shaftless spiral blade being pressed down is reduced.

[0017] Optionally, the end of the synchronization plate away from the motor is provided with multiple synchronization rods, the synchronization rods are fixedly connected to the end of the shaftless spiral blade, and the multiple synchronization rods are arranged in a circumferential array with the center of the synchronization plate as the center.

[0018] By adopting the above technical scheme, the connection stability of the shaftless spiral blade is improved, the rotation of the shaftless spiral blade is more stable, and the possibility of the end of the shaftless spiral blade being pressed down is reduced.

[0019] Optionally, the pitch of the shafted spiral blade is the same as the pitch of the shaftless spiral blade, and the outer diameter of the shafted spiral blade is the same as the outer diameter of the shaftless spiral blade.

[0020] By adopting the above technical scheme,

[0021] In summary, the present application has at least one of the following beneficial technical effects:

[0022] 1. The reinforcing mechanism in the present application supports the end of the shaftless spiral blade, reduces the possibility of the end of the shaftless spiral blade being pressed down, and improves the production safety;

[0023] 2. The auxiliary conveying mechanism in the present application conveys the material, reduces the working strength of the shaftless spiral blade, reduces the possibility of the end of the shaftless spiral blade being pressed down, and improves the production safety. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a structural schematic view of a shaftless spiral material conveying device disclosed by the embodiment of the present application.

[0025] Figure 2 Figure 1 is a structural schematic diagram of a part of a shaftless spiral material conveying device in an embodiment of the present application.

[0026] Label explanation: 1, motor; 2, driving shaft; 3, synchronous plate; 31, synchronous rod; 4, conveying shell; 41, feeding port; 42, discharging port; 5, shaftless spiral blade; 6, power transmission mechanism; 61, pulley; 62, belt; 7, auxiliary conveying mechanism; 71, mounting plate; 72, shafted spiral blade; 8, reinforcing mechanism; 81, reinforcing shaft; 82, reinforcing plate; 83, reinforcing rod. DETAILED DESCRIPTION

[0027] The following will be described in detail below with reference to the accompanying drawings Figure 1 - the accompanying drawings Figure 2 The present application will be further described in detail.

[0028] At present, in order to improve the production safety, an embodiment of the present application proposes a shaftless spiral material conveying device.

[0029] An embodiment of the present application discloses a shaftless spiral material conveying device. Referring to Figure 1 and Figure 2 A shaftless spiral material conveying device, motor 1, driving shaft 2, synchronous plate 3, conveying shell 4, shaftless spiral blade 5, reinforcing mechanism 8 rotatingly connected to conveying shell 4, power transmission mechanism 6 connected to reinforcing mechanism 8, and auxiliary conveying mechanism 7 connected to conveying shell 4, the output end of motor 1 can be fixedly connected to driving shaft 2 in a way of speed reducer, shaft coupling, etc. to achieve the purpose of transmission, the axis of driving shaft 2 is parallel to the axis of shaftless spiral blade 5, driving shaft 2 is fixedly connected to synchronous plate 3, driving shaft 2 passes through and is connected to the inside of conveying shell 4, the end of shaftless spiral blade 5 is fixedly connected to synchronous plate 3, the end of synchronous plate 3 away from motor 1 is provided with a plurality of synchronous rods 31, the number of synchronous rods 31 in the embodiment of the present application is four, the end of synchronous rod 31 away from motor 1 is connected to the end of shaftless spiral blade 5 in a way of welding to improve the stability of connection, the plurality of synchronous rods 31 are arranged in a circular array with the center of synchronous plate 3 as the center, so that the stress of shaftless spiral blade 5 is more uniform, the stress of synchronous plate 3 is more uniform, the connection stability of shaftless spiral blade 5 is improved, the rotation of shaftless spiral blade 5 is more stable, and the possibility of the end of shaftless spiral blade 5 being pressed down is reduced, when the user starts motor 1, shaftless spiral blade 5 can be driven to rotate, and the basic function of the present application is achieved.

[0030] Further, the auxiliary conveying mechanism 7 comprises two mounting plates 71 welded to the conveying shell 4 and a shafted helical blade 72 rotationally connected to the mounting plates 71, the number of the mounting plates 71 is two, the rotation shafts of the shafted helical blade 72 are rotationally connected to the two mounting plates 71 respectively, and the rotation shafts of the shafted helical blade 72 are rotationally connected to the two ends of the conveying shell 4 respectively, so that the movement of the shafted helical blade 72 is more stable, the axis of the shafted helical blade 72 is parallel to the axis of the shaftless helical blade 5, the shafted helical blade 72 is located above the shaftless helical blade 5, the shafted helical blade 72 and the shaftless helical blade 5 are staggered, the purpose of the staggered arrangement of the conveying end of the auxiliary conveying mechanism 7 and the shaftless helical blade 5 is achieved, the pitch of the shafted helical blade 72 is the same as the pitch of the shaftless helical blade 5, the outer diameter of the shafted helical blade 72 is the same as the outer diameter of the shaftless helical blade 5, and the rotation shaft of the shafted helical blade 72 is connected to the power transmission mechanism 6. When the power transmission mechanism 6 drives the shafted helical blade 72 to rotate, the purpose of conveying the materials in the same direction by the shafted helical blade 72 and the shaftless helical blade 5 is achieved.

[0031] At the same time, referring to Figure 1 and Figure 2 , the driving shaft 2 and the reinforcing mechanism 8 are located at the two ends of the conveying shell 4 respectively, one end of the reinforcing mechanism 8 is rotationally connected to the inner wall of the end of the conveying shell 4 away from the driving shaft 2, the other end of the reinforcing mechanism 8 is fixedly connected to the end of the shaftless helical blade 5 away from the motor 1, and the power transmission mechanism 6 is connected between the reinforcing mechanism 8 and the auxiliary conveying mechanism 7. The reinforcing mechanism 8, the driving shaft 2 and the synchronous plate 3 all limit and fix the two ends of the shaftless helical blade 5, so that the two ends of the shaftless helical blade 5 are under stress, which reduces the possibility of the end of the shaftless helical blade 5 being pressed down and improves the production safety; at the same time, when the motor 1, the driving shaft 2 and the synchronous plate 3 drive the shaftless helical blade 5 to rotate, the shaftless helical blade 5 drives the reinforcing mechanism 8 to rotate, and under the driving of the power transmission mechanism 6, the shafted helical blade 72 rotates and simultaneously conveys the materials, so that the working strength of the shaftless helical blade 5 is reduced and the production safety is improved.

[0032] Referring to Figure 1 and Figure 2The conveying shell 4 is provided with a feeding port 41 and a discharging port 42, the feeding port 41 and the discharging port 42 are respectively located at two ends of the conveying shell 4, the feeding port 41 is located at the bottom of the side of the conveying shell 4, and the discharging port 42 is located at the bottom of the conveying shell 4. Meanwhile, the rotating shaft of the shafted helical blade 72 is located above the outer diameter of the shaftless helical blade 5. When the user feeds, the material is placed in the conveying shell 4 from the feeding port 41. The material cannot contact the rotating shaft of the shafted helical blade 72 and cannot be wound on the rotating shaft of the shafted helical blade 72, thereby reducing the possibility of material winding and accumulation. Meanwhile, after the motor 1 is started, the motor 1 drives the shaftless helical blade 5 to rotate, and at the same time drives the reinforcing mechanism 8 to rotate between the conveying shells 4. Under the action of the power transmission mechanism 6, the shafted helical blade 72 rotates under the limiting of the mounting plate 71, realizes the transmission of the material, reduces the working strength of the shaftless helical blade 5, reduces the possibility of fracture and sinking of the shaftless helical blade 5, improves the service life of the shaftless helical blade 5, and improves the working safety.

[0033] With reference to Figure 1 and Figure 2 The reinforcing mechanism 8 comprises a reinforcing shaft 81 rotatably connected to the conveying shell 4, a reinforcing plate 82 fixedly connected to the reinforcing shaft 81, and a reinforcing rod 83 fixedly connected to the reinforcing plate 82. The reinforcing rod 83 is fixedly connected to the end portion of the shaftless helical blade 5 away from the reinforcing plate 82. The number of reinforcing rods 83 is multiple, and in the embodiment of the application, the number of reinforcing rods 83 is four. The multiple reinforcing rods 83 are arranged in a circular array on the surface of the reinforcing plate 82 with the center of the reinforcing plate 82 as the center. The reinforcing plate 82 and the shaftless helical blade 5 are uniformly stressed, the connection stability of the shaftless helical blade 5 is improved, the rotation of the shaftless helical blade 5 is more stable, and the possibility of the end portion of the shaftless helical blade 5 being pressed downward is reduced.

[0034] The reinforcing shaft 81 can realize the rotation purpose of the shaftless helical blade 5. The reinforcing plate 82 provides mounting positions for the reinforcing shaft 81 and the reinforcing rod 83. The reinforcing rod 83 realizes the purpose of fixing the shaftless helical blade 5 and the reinforcing mechanism 8, fixes the end portion of the shaftless helical blade 5, reduces the possibility of the end portion of the shaftless helical blade 5 being pressed downward, and improves the production safety.

[0035] With reference to Figure 1 and Figure 2The end of the reinforcing shaft 81 and the end of the rotating shaft of the shafted spiral blade 72 away from the motor are both located outside the conveying housing 4, the power transmission mechanism 6 comprises a belt pulley 61 and a belt 62, the number of the belt pulleys 61 is two, the two belt pulleys 61 are arranged along the vertical direction, the end of the reinforcing shaft 81 located outside passes through and is fixedly connected to the center of one belt pulley 61, the end of the rotating shaft of the shafted spiral blade 72 located outside the conveying housing 4 passes through and is fixedly connected to the center of the other belt pulley 61, the belt 62 is wound between the belt pulleys 61, the spiral direction of the shafted spiral blade 72 is the same as that of the shaftless spiral blade 5.

[0036] When the reinforcing shaft 81 rotates, the lower belt pulley 61 is driven to rotate, under the action of the belt 62, the upper belt pulley 61 is driven to rotate, finally the shafted spiral blade 72 is driven to rotate, and the power transmission purpose is achieved.

[0037] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: all equivalent changes made on the structure, shape and principle of the present application should be covered into the protection scope of the present application.

Claims

1. An axis-free screw material conveying device, comprising a motor (1), a driving shaft (2), a synchronous plate (3), a conveying shell (4) and an axis-free screw blade (5), the output end of the motor (1) is fixedly connected to the driving shaft (2), the driving shaft (2) is fixedly connected to the synchronous plate (3), the driving shaft (2) passes through and is connected to the inside of the conveying shell (4), the end of the axis-free screw blade (5) is fixedly connected to the synchronous plate (3), the axis of the driving shaft (2) is parallel to the axis of the axis-free screw blade (5), characterized in that: The shaftless spiral material conveying device further comprises a reinforcing mechanism (8) rotatably connected to the conveying shell (4), a power transmission mechanism (6) connected to the reinforcing mechanism (8), and an auxiliary conveying mechanism (7) connected to the conveying shell (4), the conveying end of the auxiliary conveying mechanism (7) is staggered with the shaftless spiral blade (5), the driving shaft (2) and the reinforcing mechanism (8) are respectively located at two ends of the conveying shell (4), one end of the reinforcing mechanism (8) is rotatably connected to the inner wall of the end of the conveying shell (4) away from the driving shaft (2), the other end of the reinforcing mechanism (8) is fixedly connected to the end of the shaftless spiral blade (5) away from the motor (1), and the power transmission mechanism (6) is connected between the reinforcing mechanism (8) and the auxiliary conveying mechanism (7).

2. A shaftless screw conveyor as claimed in claim 1, wherein: The auxiliary conveying mechanism (7) comprises mounting plates (71) connected to the conveying shell (4) and shafted spiral blades (72) rotatably connected to the mounting plates (71), the number of the mounting plates (71) is two, the rotating shafts of the shafted spiral blades (72) are rotatably connected to the two mounting plates (71) respectively, the axes of the shafted spiral blades (72) are parallel to the axis of the shaftless spiral blade (5), the shafted spiral blades (72) are located above the shaftless spiral blade (5), the shafted spiral blades (72) and the shaftless spiral blade (5) are staggered, the shafted spiral blades (72) and the shaftless spiral blade (5) convey materials in the same direction, the feeding port (41) of the conveying shell (4) is located on the side of the conveying shell (4), and the rotating shafts of the shafted spiral blades (72) are connected to the power transmission mechanism (6).

3. A shaftless screw conveyor as claimed in claim 2, wherein: The reinforcing mechanism (8) comprises a reinforcing shaft (81) rotatably connected to the conveying shell (4), a reinforcing plate (82) fixedly connected to the reinforcing shaft (81), and a reinforcing rod (83) fixedly connected to the reinforcing plate (82), and one end of the reinforcing rod (83) away from the reinforcing plate (82) is fixedly connected to the end of the shaftless spiral blade (5).

4. A shaftless screw conveyor as claimed in claim 3, wherein: The power transmission mechanism (6) comprises a belt pulley (61) and a belt (62), the number of the belt pulleys (61) is two, the two belt pulleys (61) are arranged along the vertical direction, the reinforcing shaft (81) penetrates and is fixedly connected to the center of one belt pulley (61), the rotating shaft of the shafted spiral blade (72) penetrates and is fixedly connected to the center of the other belt pulley (61), and the belt (62) is wound between the belt pulleys (61), and the spiral directions of the shafted spiral blade (72) and the shaftless spiral blade (5) are the same.

5. A shaftless screw conveyor as claimed in claim 3, wherein: The number of the reinforcing rods (83) is multiple, and the multiple reinforcing rods (83) are uniformly arranged on the surface of the reinforcing plate (82).

6. A shaftless screw conveyor as claimed in claim 1, wherein: The end of the synchronization plate (3) away from the motor (1) is provided with a plurality of synchronization rods (31), the synchronization rods (31) are fixedly connected to the end of the shaftless spiral blade (5), and the plurality of synchronization rods (31) are arranged in a circumferential array with the center of the synchronization plate (3) as the center.

7. An augerless material conveying apparatus according to claim 3, wherein: The pitch of the shafted spiral blade (72) is the same as the pitch of the shaftless spiral blade (5), and the outer diameter of the shafted spiral blade (72) is the same as the outer diameter of the shaftless spiral blade (5).

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