Particle material mixing and stirring equipment

Abstract

The invention relates to the technical field of mixing, in particular to particle material mixing and stirring equipment which comprises a stirring barrel and a stirring device. The stirring device comprises a rotating ring and a one-way assembly; the rotating ring is rotationally mounted on the stirring shaft; a plurality of stirring blade assemblies are annularly distributed on the side wall of the rotating ring; when the stirring shaft rotates, the one-way assembly enables the rotating ring to drive the stirring blade assembly and the stirring shaft to rotate synchronously, and when the stirring shaft stops rotating and materials rotate the rotating ring through the stirring blade assembly under the inertia effect, the one-way assembly allows the rotating ring to rotate relative to the stirring shaft, so that when the stirring shaft stops rotating, the rotating ring rotates synchronously. Impact force of materials acting on the circumferential direction of the stirring shaft due to inertia is buffered, and the stirring shaft is prevented from being damaged due to impact.

Description

Technical Field

[0001] The invention relates to the technical field of mixing, and in particular to a particle material mixing and stirring device. Background Art

[0002] Granular material mixing equipment is a mechanical device used to evenly mix different types of granular materials. This type of equipment is widely used in many industries such as chemical, pharmaceutical, food, feed, etc., and is crucial to ensure the consistency and stability of product quality.

[0003] In the prior art, for example, the Chinese patent with announcement number CN118904185B, entitled A mixer with a non-direct locking transmission agitator shaft, states in the public technical solution that the agitator shaft body is connected to the output shaft of the driving motor through a coupling body, and a limiting mechanism is provided on the outer wall of the coupling body, which can limit the lateral torque direction of the coupling body, and a connecting mechanism is installed on the outer wall of the limiting mechanism, and the coupling body is limited to swing left and right by the limiting mechanism, and when the agitator shaft body loses the driving force, its inertia of swinging left and right is converted into vertical motion under the action of the limiting mechanism, thereby transferring the impact force of the material originally received by the agitator shaft body to the limiting mechanism, reducing the impact force received by the agitator shaft. However, the impact force is transferred to the limiting mechanism, which increases the possibility of damage to the limiting mechanism, thereby affecting the stirring effect. Summary of the invention

[0004] The present invention provides a particle material mixing and stirring device to solve the above problems.

[0005] The present invention discloses a granular material mixing and stirring device, which adopts the following technical scheme: a granular material mixing and stirring device, comprising a stirring drum and a stirring device; the stirring drum axis is arranged up and down; a stirring shaft is coaxially arranged in the stirring drum; the stirring shaft and the stirring drum rotate in coordination; a plurality of stirring devices are distributed up and down along the stirring shaft axis; the stirring device comprises a rotating ring and a one-way component; the rotating ring is coaxially sleeved on the stirring shaft, and the rotating ring is rotatably installed on the stirring shaft; a plurality of stirring blade components are distributed in an annular manner on the side wall of the rotating ring.

[0006] The one-way component is arranged between the rotating ring and the stirring shaft; when the stirring shaft rotates, the one-way component causes the rotating ring to drive the stirring blade component and the stirring shaft to rotate synchronously; when the stirring shaft stops rotating, the material passes through the stirring blade component to rotate the rotating ring under the action of inertia, and the one-way component allows the rotating ring to rotate relative to the stirring shaft, so that when the stirring shaft stops rotating, the impact force of the material on the circumference of the stirring shaft due to inertia is buffered, thereby preventing the stirring shaft from being damaged by the impact.

[0007] Furthermore, the stirring blade assembly includes a mounting frame and a limit assembly; there are multiple mounting frames distributed along the circumference of the rotating ring; the mounting frame is provided with blades arranged inclined up and down; the mounting frame is rotatably mounted on the side wall of the rotating ring through a hinge assembly around a horizontal axis; when the stirring shaft rotates for stirring, the limit assembly is used to limit the rotation between the mounting frame and the rotating ring, and when the stirring shaft stops rotating, the rotation restriction between the mounting frame and the rotating ring is released, so that when the stirring shaft stops rotating and when the mounting frame and the blades are impacted by the tilt of the material, the mounting frame is rotated around the horizontal axis to buffer the impact in the tilt direction of the material and avoid the stirring shaft from being impacted.

[0008] Furthermore, the articulated assembly includes an articulated seat and a connecting plate; the articulated seat is fixed on the outer side wall of the swivel; two ear plates are provided on the articulated seat; the two ear plates are radially symmetrical about the swivel; the ear plate is fixed to the end of the articulated seat away from the swivel; the connecting plate is fixed to the end of the mounting frame close to the swivel and is located between the two ear plates; an articulated shaft is fixed to the end of the connecting plate close to the swivel; the axis of the articulated shaft is horizontally arranged and tangentially arranged along the swivel; the articulated shaft is rotatably mounted on the ear plate; a torsion spring is connected between the articulated shaft and the ear plate.

[0009] Furthermore, the limiting assembly includes a top block, a matching plate, an intermediate plate, and an auxiliary structure; two top blocks are provided, which are symmetrically distributed on both sides of the hinge shaft and are located on the side of the hinge shaft away from the swivel; the top block is fixed to the upper and lower ends of the connecting plate; two matching plates are provided, which are symmetrically distributed on both sides of the hinge shaft and are located on the side of the hinge shaft close to the swivel; the matching plate is provided between the two ear plates; the matching plate and the upper and lower ends of the ear plate are fixedly connected, and are fixedly connected to the hinge seat; the intermediate plate is provided between the hinge shaft and the hinge seat, and is located between the two The middle plate is fixedly connected to the hinge seat at one end; a limiting groove is formed between the matching plate and the middle plate; a limiting plate is slidably installed in the limiting groove; an auxiliary structure is arranged between the swivel and the hinge seat; when the stirring shaft rotates, the auxiliary structure makes the end of the limiting plate away from the swivel abut against the top block, and the end close to the swivel is inserted into the limiting groove to limit the rotation of the mounting frame. When the stirring shaft stops rotating, the limiting plate is driven to move toward the swivel and slide into the limiting groove to release the rotation restriction between the mounting frame and the swivel.

[0010] Furthermore, the auxiliary structure includes a permanent magnet block, an electromagnet, and a controller; the permanent magnet block is fixed at one end of the limit plate close to the swivel; the electromagnet is fixed in the limit groove and is located at one end of the limit groove close to the swivel; when the stirring shaft rotates, the controller makes the magnetism of the electromagnet and the permanent magnet block the same, and there is a repulsive force between the permanent magnet block and the electromagnet, so that the limit plate is away from the swivel, and the end of the limit plate away from the swivel is abutted against the top block; when the stirring shaft stops rotating, the controller changes the direction of the electromagnet current, so that the magnetism of the electromagnet and the permanent magnet block are opposite, and there is an attractive force between the permanent magnet block and the electromagnet, so that the limit plate is close to the swivel, and the end of the limit plate close to the swivel is abutted against the electromagnet, so that the limit plate moves toward the swivel and slides into the limit groove, thereby releasing the rotation restriction between the mounting frame and the swivel.

[0011] Furthermore, adjacent swivels are fixedly connected via a synchronization rod.

[0012] Furthermore, the controller is arranged at the upper end of the stirring shaft and rotates in coordination with the stirring shaft; the controller and the rotating ring are fixedly connected via a vertical connecting rod; and the controller and the electromagnet are electrically connected via a wire.

[0013] Furthermore, each mounting frame is provided with three blades; the three blades are distributed up and down; the upper blade among the three blades is fixedly connected to the mounting frame; the lower end of the middle blade is rotatably mounted on the mounting frame, and a torsion spring is connected between the blade and the mounting frame; the upper end of the middle blade abuts against the upper blade; the middle blade and the upper blade are in a V shape with the opening facing the rotation direction of the stirring shaft; the lower end of the lower blade is rotatably mounted on the mounting frame, and a torsion spring is connected between the blade and the mounting frame; the upper end of the lower blade abuts against the middle blade; the middle blade and the lower blade are in a V shape with the opening facing the rotation direction of the stirring shaft; the upper end of the middle blade and the upper end of the lower blade are both rotatably mounted with a roller. The blades in an inclined state can play a role in stirring and guiding the granular materials upward, thereby improving the uniformity of material stirring; at the same time, when the materials pass through the gaps between adjacent blades, the small granular materials directly pass through the gaps, and the agglomerated materials overcome the elastic force of the torsion springs at the rotation position of the blades, so that the lower blades and the middle blades rotate around their respective rotating shafts, and under the rolling action of the rollers, the agglomerated materials are crushed and dispersed. When the stirring shaft rotates for stirring, the blades stir and guide the material upward. When the stirring shaft stops rotating, the material has the inertia to flow upward. Therefore, when the stirring shaft stops rotating, the blades have a tendency to guide the material downward, increasing the resistance to the material flow, allowing the material to quickly consume its inertial energy and stop rotating, thereby reducing the wear on the stirring shaft.

[0014] Furthermore, the one-way component includes a mounting ring; two mounting rings are distributed up and down; the two mounting rings are arranged on the upper and lower sides of the rotating ring; the mounting ring is coaxially sleeved on the stirring shaft and fixedly connected to the stirring shaft; the mounting ring and the rotating ring rotate in coordination; the rotating ring, the stirring shaft and the two mounting rings form an annular mounting cavity; a ratchet ring is arranged in the mounting cavity; the ratchet ring and the rotating ring are coaxial; the outer wall of the ratchet ring and the inner wall of the rotating ring are fixedly connected; a pawl is arranged between the ratchet ring and the stirring shaft; the pawl is hinged on the mounting ring; a torsion spring is connected between the pawl and the mounting ring; and there is a one-way meshing transmission between the pawl and the ratchet ring.

[0015] Furthermore, a motor is fixed at the upper end of the mixing drum; the output shaft of the motor is fixedly connected to the mixing shaft; a feed port is provided at the upper end of the mixing drum, and a discharge port is provided at the lower end.

[0016] The beneficial effects of the present invention are: 1. When the agitator shaft rotates, the one-way component causes the swivel to drive the agitator blade assembly and the agitator shaft to rotate synchronously. When the agitator shaft stops rotating, the material passes through the agitator blade assembly to rotate the swivel under the action of inertia. The one-way component allows the swivel to rotate relative to the agitator shaft. Therefore, when the agitator shaft stops rotating, the impact force of the material on the circumference of the agitator shaft due to inertia is buffered to prevent the agitator shaft from being damaged by impact.

[0017] 2. When the agitator shaft rotates for stirring, the limit assembly is used to limit the rotation between the mounting frame and the rotating ring, and when the agitator shaft stops rotating, the rotation restriction between the mounting frame and the rotating ring is released, so that when the agitator shaft stops rotating and when the mounting frame and the blades are impacted by the tilt of the material, the mounting frame is rotated around the horizontal axis to buffer the impact in the tilt direction of the material and avoid the agitator shaft from being impacted.

[0018] 3. The inclined blades can stir and guide the granular materials upward, improving the uniformity of material stirring; at the same time, when the materials pass through the gaps between adjacent blades, small particles pass through the gaps directly, and the agglomerated materials overcome the elastic force of the torsion springs at the rotating position of the blades, so that the lower blades and the middle blades rotate around their respective rotating axes, and under the rolling action of the rollers, the agglomerated materials are crushed and dispersed.

[0019] 4. When the stirring shaft rotates for stirring, the blades stir and guide the material upward. When the stirring shaft stops rotating, the material has the inertia to flow upward. Therefore, when the stirring shaft stops rotating, the blades have a tendency to guide the material downward, increasing the resistance to the material flow, so that the material can quickly consume its inertial energy and stop rotating, thereby reducing the wear on the stirring shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0021] Figure 1 It is a structural schematic diagram of an embodiment of a particulate material mixing and stirring device of the present invention; Figure 2 A schematic diagram of a stirring shaft and a stirring device of an embodiment of a granular material mixing and stirring device of the present invention; Figure 3 for Figure 2 The enlarged view of point A in the middle; Figure 4 A schematic diagram of a stirring shaft of an embodiment of a particulate material mixing and stirring device of the present invention; Figure 5 for Figure 4 The enlarged view of point B in the middle; Figure 6 A front view of a stirring shaft of an embodiment of a granular material mixing and stirring device of the present invention; Figure 7 for Figure 6 Sectional view at CC; Figure 8 for Figure 7 Enlarged view of point E in the middle; Fig. 9 for Figure 6 Sectional view at DD in the middle; Fig.10 for Fig. 9 The enlarged view of F in the middle; Fig.11 It is a schematic diagram of a rotating ring, a hinge assembly, and a limiting assembly of an embodiment of a granular material mixing and stirring device of the present invention; Fig.12 for Fig.11 Enlarged view of G in the middle; Fig.13 A schematic diagram of blades and a mounting frame of an embodiment of a granular material mixing and stirring device of the present invention; Fig.14 This is an exploded view of the blades and mounting frame of an embodiment of a particulate material mixing and stirring device of the present invention.

[0022] In the figure: 100, mixing drum; 110, motor; 200, mixing shaft; 310, rotating ring; 311, synchronization rod; 320, mounting frame; 330, blade; 331, roller; 341, mounting ring; 342, mounting cavity; 343, ratchet ring; 344, pawl; 351, hinge seat; 352, ear plate; 353, connecting plate; 354, hinge shaft; 361, top block; 362, matching plate; 363, middle plate; 364, limiting groove; 365, limiting plate; 366, permanent magnet block; 367, electromagnet; 368, controller. DETAILED DESCRIPTION

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] An embodiment of a granular material mixing and stirring device of the present invention is as follows Figures 1 to 14 As shown: a granular material mixing and stirring equipment, including a mixing drum 100 and a stirring device; the axis of the mixing drum 100 is arranged up and down; a stirring shaft 200 is coaxially arranged in the mixing drum 100; the stirring shaft 200 and the mixing drum 100 are rotatably matched; a motor 110 is fixed to the upper end of the mixing drum 100; the output shaft of the motor 110 and the stirring shaft 200 are fixedly connected; a feeding port is arranged at the upper end of the mixing drum 100, and a discharging port is arranged at the lower end.

[0025] There are multiple stirring devices distributed up and down along the axis of the stirring shaft 200; the stirring device includes a swivel 310 and a one-way component; the swivel 310 is coaxially sleeved on the stirring shaft 200, and the swivel 310 is rotatably installed on the stirring shaft 200; multiple stirring blade assemblies are distributed in an annular manner on the side wall of the swivel 310. The stirring blade assembly includes a mounting frame 320 and a limit assembly; there are multiple mounting frames 320, which are distributed circumferentially along the swivel 310; the mounting frame 320 is provided with blades 330 inclined up and down; each mounting frame 320 is provided with three blades 330; the three blades 330 are distributed up and down; the upper blade 330 among the three blades 330 is fixedly connected to the mounting frame 320; the lower end of the middle blade 330 is rotatably installed on the mounting frame 320, and a torsion spring is connected between the middle blade 330 and the mounting frame 320; the upper end of the middle blade 330 and the upper The blades 330 are in contact with each other; the middle blade 330 and the upper blade 330 are in a V shape with the opening facing the rotation direction of the stirring shaft 200; the lower end of the lower blade 330 is rotatably mounted on the mounting frame 320, and a torsion spring is connected between the lower blade 330 and the mounting frame 320; the upper end of the lower blade 330 is in contact with the middle blade 330; the middle blade 330 and the lower blade 330 are in a V shape with the opening facing the rotation direction of the stirring shaft 200; the upper end of the middle blade 330 and the upper end of the lower blade 330 are both rotatably mounted with a roller 331. The blades 330 in an inclined state can play a role in stirring and guiding the granular materials upward, thereby improving the uniformity of material stirring; at the same time, when the materials pass through the gaps between adjacent blades 330, the small granular materials directly pass through the gaps, and the agglomerated materials overcome the elastic force of the torsion spring at the rotation position of the blade 330, so that the lower blade 330 and the middle blade 330 rotate around their respective rotation axes, and under the rolling action of the roller 331, the agglomerated materials are crushed and dispersed. When the stirring shaft 200 rotates for stirring, the blades 330 stir and guide the material upward. When the stirring shaft 200 stops rotating, the material has the inertia to flow upward. Therefore, when the stirring shaft 200 stops rotating, the blades 330 have a tendency to guide the material downward, increasing the resistance to the material flow, allowing the material to quickly consume its inertial energy and stop rotating, thereby reducing the wear on the stirring shaft 200.

[0026] The mounting frame 320 is mounted on the side wall of the rotating ring 310 by a hinge assembly and is rotatable around a horizontal axis. When the stirring shaft 200 rotates for stirring, the limit assembly is used to limit the rotation between the mounting frame 320 and the rotating ring 310, and when the stirring shaft 200 stops rotating, the rotation restriction between the mounting frame 320 and the rotating ring 310 is released, so that when the stirring shaft 200 stops rotating and when the mounting frame 320 and the blades 330 are impacted by the tilting of the material, the mounting frame 320 is rotated around the horizontal axis to buffer the impact in the tilting direction of the material and prevent the stirring shaft 200 from being impacted.

[0027] The hinge assembly includes a hinge seat 351 and a connecting plate 353; the hinge seat 351 is fixed on the outer wall of the swivel 310; two ear plates 352 are provided on the hinge seat 351; the two ear plates 352 are radially symmetrical about the swivel 310; the ear plate 352 is fixed to the end of the hinge seat 351 away from the swivel 310; the connecting plate 353 is fixed to the end of the mounting frame 320 close to the swivel 310 and is located between the two ear plates 352; a hinge shaft 354 is fixed to the end of the connecting plate 353 close to the swivel 310; the axis of the hinge shaft 354 is horizontally arranged and tangentially arranged along the swivel 310; the hinge shaft 354 is rotatably installed on the ear plate 352; a torsion spring is connected between the hinge shaft 354 and the ear plate 352.

[0028] The limiting assembly includes a top block 361, a matching plate 362, an intermediate plate 363, and an auxiliary structure; two top blocks 361 are provided, which are symmetrically distributed on both sides of the hinge shaft 354, and are located on the side of the hinge shaft 354 away from the swivel 310; the top block 361 is fixed to the upper and lower ends of the connecting plate 353; two matching plates 362 are provided, which are symmetrically distributed on both sides of the hinge shaft 354, and are located on the side of the hinge shaft 354 close to the swivel 310; the matching plate 362 is provided between the two ear plates 352; the matching plate 362 is fixedly connected to the upper and lower ends of the ear plate 352, and is fixedly connected to the hinge seat 351; the intermediate plate 363 is provided between the hinge shaft 354 and the hinge seat 351, and is between the two matching plates 362 The middle plate 363 is fixedly connected to the hinge seat 351 at one end thereof; a limiting groove 364 is formed between the matching plate 362 and the middle plate 363; a limiting plate 365 is slidably installed in the limiting groove 364; an auxiliary structure is arranged between the swivel 310 and the hinge seat 351; when the stirring shaft 200 rotates, the auxiliary structure makes the end of the limiting plate 365 away from the swivel 310 abut against the top block 361, and the end close to the swivel 310 is inserted into the limiting groove 364 to limit the rotation of the mounting bracket 320. When the rotation of the stirring shaft 200 is stopped, the limiting plate 365 is driven to move toward the swivel 310 and slide into the limiting groove 364, thereby releasing the rotation restriction between the mounting bracket 320 and the swivel 310.

[0029] The auxiliary structure includes a permanent magnet block 366, an electromagnet 367, and a controller 368; the permanent magnet block 366 is fixed to one end of the limit plate 365 close to the rotating ring 310; the electromagnet 367 is fixed in the limit groove 364 and is located at one end of the limit groove 364 close to the rotating ring 310; the controller 368 is arranged at the upper end of the stirring shaft 200 and rotates with the stirring shaft 200; the controller 368 and the rotating ring 310 are fixedly connected by a vertical connecting rod; the controller 368 and the electromagnet 367 are electrically connected by a wire. Adjacent rotating rings 310 are fixedly connected by a synchronization rod 311. When the stirring shaft 200 rotates, the controller 368 makes the magnetism of the electromagnet 367 and the permanent magnet block 366 the same, and there is a repulsive force between the permanent magnet block 366 and the electromagnet 367, so that the limit plate 365 is away from the rotating ring 310, and the end of the limit plate 365 away from the rotating ring 310 is abutted against the top block 361. When the stirring shaft 200 stops rotating, the controller 368 changes the current direction of the electromagnet 367, so that the magnetism of the electromagnet 367 and the permanent magnet block 366 are opposite, and there is an attractive force between the permanent magnet block 366 and the electromagnet 367, so that the limit plate 365 is close to the rotating ring 310, and the end of the limit plate 365 close to the rotating ring 310 is abutted against the electromagnet 367, so that the limit plate 365 moves toward the rotating ring 310 and slides into the limit groove 364, thereby releasing the rotation restriction between the mounting frame 320 and the rotating ring 310.

[0030] The one-way component is arranged between the rotating ring 310 and the stirring shaft 200; when the stirring shaft 200 rotates, the one-way component causes the rotating ring 310 to drive the stirring blade assembly and the stirring shaft 200 to rotate synchronously. When the stirring shaft 200 stops rotating, the material rotates the rotating ring 310 through the stirring blade assembly under the action of inertia. The one-way component allows the rotating ring 310 to rotate relative to the stirring shaft 200, so that when the stirring shaft 200 stops rotating, the impact force of the material on the circumferential direction of the stirring shaft 200 due to inertia is buffered, thereby preventing the stirring shaft 200 from being damaged by the impact. The one-way component includes a mounting ring 341; two mounting rings 341 are distributed up and down; the two mounting rings 341 are arranged on the upper and lower sides of the rotating ring 310; the mounting ring 341 is coaxially sleeved on the stirring shaft 200 and fixedly connected to the stirring shaft 200; the mounting ring 341 and the rotating ring 310 rotate in coordination; the rotating ring 310, the stirring shaft 200 and the two mounting rings 341 form an annular mounting cavity 342; a ratchet ring 343 is arranged in the mounting cavity 342; the ratchet ring 343 and the rotating ring 310 are coaxial; the outer wall of the ratchet ring 343 and the inner wall of the rotating ring 310 are fixedly connected; a pawl 344 is arranged between the ratchet ring 343 and the stirring shaft 200; the pawl 344 is hinged on the mounting ring 341; a torsion spring is connected between the pawl 344 and the mounting ring 341; and there is a one-way meshing transmission between the pawl 344 and the ratchet ring 343.

[0031] In combination with the above embodiments, the use principle and working process of the present invention are as follows: when in use, the motor 110 drives the stirring shaft 200 to rotate, the ratchet ring 343 and the pawl 344 of the one-way assembly enable the rotating ring 310 to drive the stirring blade assembly and the stirring shaft 200 to rotate synchronously, and the controller 368 makes the permanent magnet block 366 and the electromagnet 367 have the same magnetic properties, and there is a repulsive force between the permanent magnet block 366 and the electromagnet 367, so that the limit plate 365 is away from the rotating ring 310, and the end of the limit plate 365 away from the rotating ring 310 is abutted against the top block 361, and the end close to the rotating ring 310 is inserted into the limit groove 364 to limit the rotation of the mounting frame 320, and the blade 330 pushes and guides the material to achieve stirring and mixing of the granular material.

[0032] When the stirring shaft 200 stops rotating and the material rotates the rotating ring 310 through the blades 330 of the stirring blade assembly under the action of inertia, the ratchet ring 343 and the pawl 344 cause the rotating ring 310 to rotate relative to the stirring shaft 200, so that when the stirring shaft 200 stops rotating, the impact force of the material on the stirring shaft 200 in the circumferential direction due to inertia is buffered, thereby preventing the stirring shaft 200 from being damaged by the impact.

[0033] At the same time, the controller 368 changes the current direction of the electromagnet 367 so that the magnetism of the permanent magnet block 366 and the electromagnet 367 are opposite, and there is an attraction between the permanent magnet block 366 and the electromagnet 367, so that the limit plate 365 is close to the rotating ring 310, and the end of the limit plate 365 close to the rotating ring 310 is in contact with the electromagnet 367, so that the limit plate 365 moves toward the rotating ring 310 and slides into the limit groove 364, and the rotation restriction between the mounting frame 320 and the rotating ring 310 is released, so that when the rotation of the stirring shaft 200 is stopped, and when the mounting frame 320 and the blades 330 are impacted by the tilt of the material, the mounting frame 320 is rotated around the horizontal axis to buffer the impact in the tilt direction of the material to prevent the stirring shaft 200 from being impacted.

[0034] In addition, the blades 330 in the inclined state can stir and guide the granular materials upward, thereby improving the uniformity of material stirring; at the same time, when the materials pass through the gaps between adjacent blades 330, the small granular materials directly pass through the gaps, and the agglomerated materials overcome the elastic force of the torsion springs at the rotation positions of the blades 330, so that the lower blades 330 and the middle blades 330 rotate around their respective rotation axes, and under the rolling action of the rollers 331, the agglomerated materials are crushed and dispersed. Since the blades 330 stir and guide the materials upward when the stirring shaft 200 rotates for stirring, when the stirring shaft 200 stops rotating, the materials have the inertia of flowing upward, so when the stirring shaft 200 stops rotating, the blades 330 have a tendency to guide the materials downward, increasing the resistance to the flow of the materials, so that the materials can quickly consume their inertial energy and stop rotating, thereby reducing the wear on the stirring shaft 200.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A granular material mixing and stirring device, characterized in that: It includes a mixing drum and a mixing device; The axis of the mixing drum is arranged up and down; a mixing shaft is coaxially arranged in the mixing drum; the mixing shaft and the mixing drum are rotatably matched; A plurality of stirring devices are distributed up and down along the axis of the stirring shaft; the stirring device includes a rotating ring and a one-way component; The rotating ring is coaxially sleeved on the stirring shaft, and the rotating ring is rotatably installed on the stirring shaft; a plurality of stirring blade assemblies are annularly distributed on the side wall of the rotating ring; The one-way component is arranged between the rotating ring and the stirring shaft; when the stirring shaft rotates, the one-way component causes the rotating ring to drive the stirring blade component and the stirring shaft to rotate synchronously; when the stirring shaft stops rotating and the material rotates the rotating ring through the stirring blade component under the action of inertia, the one-way component allows the rotating ring to rotate relative to the stirring shaft.

2. A particulate material mixing and stirring device according to claim 1, characterized in that: The stirring blade assembly includes a mounting frame and a limiting assembly; There are multiple mounting brackets distributed along the circumference of the swivel; the mounting brackets are provided with blades arranged in an up-and-down tilted manner; the mounting brackets are mounted on the side wall of the swivel by rotating around a horizontal axis through a hinge assembly; When the stirring shaft rotates for stirring, the limit assembly is used to limit the rotation between the mounting frame and the rotating ring, and when the stirring shaft stops rotating, the rotation restriction between the mounting frame and the rotating ring is released.

3. A particulate material mixing and stirring device according to claim 2, characterized in that: The hinge assembly includes a hinge seat and a connecting plate; The hinge seat is fixed on the outer side wall of the rotating ring; the hinge seat is provided with two ear plates; the two ear plates are radially symmetrical about the rotating ring; the ear plate is fixed on the end of the hinge seat away from the rotating ring; The connecting plate is fixed to one end of the mounting frame close to the swivel and is between the two ear plates; a hinge shaft is fixed to one end of the connecting plate close to the swivel; the axis of the hinge shaft is horizontally arranged and tangentially arranged along the swivel; the hinge shaft is rotatably mounted on the ear plate; a torsion spring is connected between the hinge shaft and the ear plate.

4. A particulate material mixing and stirring device according to claim 3, characterized in that: The limiting assembly includes a top block, a matching plate, an intermediate plate, and an auxiliary structure; There are two top blocks, which are symmetrically distributed on both sides of the hinge shaft and are located on the side of the hinge shaft away from the swivel; the top blocks are fixed to the upper and lower ends of the connecting plate; There are two matching plates, which are symmetrically distributed on both sides of the hinge shaft and located on the side of the hinge shaft close to the rotating ring; the matching plate is arranged between the two ear plates; the matching plate is fixedly connected to the upper and lower ends of the ear plates, and is fixedly connected to the hinge seat; The middle plate is arranged between the hinge shaft and the hinge seat, and between the two matching plates; one end of the middle plate close to the hinge seat is fixedly connected to the hinge seat; a limiting groove is formed between the matching plate and the middle plate; the limiting plate is slidably installed in the limiting groove; The auxiliary structure is arranged between the rotating ring and the hinge seat; when the stirring shaft rotates, the auxiliary structure makes the end of the limit plate away from the rotating ring abut against the top block, and the end close to the rotating ring is inserted into the limit groove. When the stirring shaft stops rotating, the limit plate is driven to move toward the rotating ring and slide into the limit groove.

5. A particulate material mixing and stirring device according to claim 4, characterized in that: The auxiliary structure includes a permanent magnet block, an electromagnet, and a controller; the permanent magnet block is fixed at one end of the limit plate close to the rotating ring; the electromagnet is fixed in the limit groove and is located at one end of the limit groove close to the rotating ring; when the stirring shaft rotates, the controller makes the magnetism of the electromagnet and the permanent magnet block the same, and when the stirring shaft stops rotating, the controller makes the magnetism of the electromagnet and the permanent magnet block opposite.

6. A particulate material mixing and stirring device according to claim 5, characterized in that: Adjacent swivels are fixedly connected via synchronization rods.

7. A particulate material mixing and stirring device according to claim 6, characterized in that: The controller is arranged at the upper end of the stirring shaft and is rotatably matched with the stirring shaft; the controller and the rotating ring are fixedly connected through a vertical connecting rod; and the controller and the electromagnet are electrically connected through a wire.

8. The particulate material mixing and stirring device according to claim 2, characterized in that: Each mounting frame is provided with three blades; the three blades are distributed up and down; the upper blade among the three blades is fixedly connected to the mounting frame; the lower end of the middle blade is rotatably mounted on the mounting frame, and a torsion spring is connected between the middle blade and the mounting frame; the upper end of the middle blade abuts against the upper blade; the middle blade and the upper blade are in a V shape with the opening facing the rotation direction of the stirring shaft; The lower end of the lower blade is rotatably mounted on the mounting frame, and a torsion spring is connected between the lower blade and the mounting frame; the upper end of the lower blade abuts against the middle blade; the middle blade and the lower blade form a V shape with the opening facing the rotation direction of the stirring shaft; Rollers are rotatably mounted on the upper ends of the middle blades and the lower blades.

9. A particulate material mixing and stirring device according to any one of claims 1 to 8, characterized in that: The one-way component includes a mounting ring; two mounting rings are arranged upper and lower; the two mounting rings are arranged on the upper and lower sides of the rotating ring; the mounting ring is coaxially sleeved on the stirring shaft and fixedly connected to the stirring shaft; the mounting ring and the rotating ring rotate in coordination; the rotating ring, the stirring shaft and the two mounting rings form an annular mounting cavity; a ratchet ring is arranged in the mounting cavity; the ratchet ring and the rotating ring are coaxial; the outer wall of the ratchet ring and the inner wall of the rotating ring are fixedly connected; a pawl is arranged between the ratchet ring and the stirring shaft; the pawl is hinged on the mounting ring; a torsion spring is connected between the pawl and the mounting ring; and there is a one-way meshing transmission between the pawl and the ratchet ring.

10. The particulate material mixing and stirring device according to claim 1, characterized in that: A motor is fixed on the upper end of the mixing drum; the output shaft of the motor is fixedly connected to the mixing shaft; a feed inlet is arranged on the upper end of the mixing drum, and a discharge outlet is arranged on the lower end.

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