Double-helix feeding equipment with stirring device

Abstract

The utility model provides double-helix feeding equipment with a stirring device, which belongs to the technical field of material conveying and comprises a buffer storage bin, the stirring device, a spiral feeding device, a transmission gear box, a coupler, a speed reducing motor and a base. According to the utility model, the spiral feeding equipment is combined with the stirring device, so that the problems of material adhesion and blockage in the spiral feeding equipment caused by the phenomena of material caking, moisture absorption and material adhesion due to the material characteristics of powder materials in the conveying process are effectively solved, and the problems of unstable material conveying and poor output quantity accuracy are solved. According to the technical scheme, feeding of the spiral feeding equipment is stable and controllable, the output quantity is accurate, the product quality is improved, the service life of the equipment is prolonged, and the reliability of the equipment is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of material conveying, and in particular relates to a double-screw feeding device with a stirring device. Background Art

[0002] In the prior art, in the production of powder materials, the automated feeding process is one of the most core and important processes. In the conveying process of traditional powder materials, the powder materials are mainly conveyed by a screw feeder, and the feed port of the screw feeder is directly connected to the silo. In the conveying process, powder materials have the phenomenon of material agglomeration and moisture absorption and sticking due to their unique characteristics, causing the screw feeder to stick and clog, resulting in unstable material conveying and poor output accuracy, affecting the quality of the final product. In addition, the material remaining in the screw feeder for a long time will also cause damage to the equipment.

[0003] The authorization publication number "CN206720191U" records "a biomass straw spiral feeder". The utility model provides a biomass straw spiral feeder, which belongs to the technical field of mechanical equipment. It solves the problem that the existing spiral feeder has poor practicality and high manufacturing cost. The biomass straw spiral feeder includes a barrel, a reducer and a feed bin arranged above the barrel. A spiral rod for feeding is arranged in the barrel. One end of the spiral rod is connected to the reducer through a coupling, and a thrust bearing is arranged at the other end. A stirring shaft is transversely penetrated through the bearing in the feed bin. A number of stirring wheels are fixedly connected to the stirring shaft by screws. A chain disk is fixedly connected to one end of the stirring shaft, and the chain disk is connected to the spiral rod by a chain. The utility model has the advantages of better practicality and lower manufacturing cost through the arrangement of the stirring wheel and the synchronous operation of the stirring shaft and the spiral rod.

[0004] The above patent can solve the problem that the utility model has the advantages of better practicality and lower manufacturing cost by setting a stirring wheel and synchronously running the stirring shaft and the screw rod. However, the above patent has certain defects when used. If the initial landing point position in the silo of the device is not achieved, a pit will gradually form, and the materials in the silo cannot fall together, which can easily cause blockage in the material conveying process and affect the stable conveying function of the material. At the same time, the device effectively solves the above technical problems and improves the material feeding efficiency of the spiral feeding equipment. Utility Model Content

[0005] The utility model aims to provide a double-screw feeding device with a stirring device, aiming to solve the problem that the traditional double-screw feeding device with a stirring device in the prior art fails to achieve the initial landing point position in the device silo and a pit will gradually be formed, and the materials in the silo cannot fall together, which can easily cause blockage in the material conveying process and affect the stable conveying function of the material.

[0006] To achieve the above purpose, the utility model provides the following technical solutions: A double-screw feeding device with a stirring device comprises: a buffer bin, a stirring device, a spiral feeding device, a transmission gear box, a coupling, a reduction motor and a base;

[0007] The buffer silo includes a material injection port, a material discharge port and a material observation port;

[0008] The stirring device comprises a stirring shaft, stirring teeth and a mounting flange;

[0009] The spiral feeding device comprises a spiral device feed port, a double-helical screw, a spiral device discharge port and a spiral housing;

[0010] The transmission gear box includes an oil filling port, a stirring shaft gear, a transmission gear, a left-handed spiral shaft gear, a right-handed spiral shaft gear, a lubricating oil level gauge, a right-handed spiral rod connection port, a left-handed spiral rod connection port and a stirring device connection port;

[0011] The coupling includes a first coupling and a second coupling.

[0012] As a preferred solution of the utility model, the cache silo is conical; the injection port is arranged at the top of the cache silo, the discharge port is arranged at the bottom of the cache silo, and the material observation port is arranged at a position close to the discharge port.

[0013] As a preferred solution of the utility model, the stirring device is rotatably mounted on the discharge port; the stirring teeth are fixedly mounted on the stirring shaft and rotate synchronously with the stirring shaft.

[0014] As a preferred solution of the utility model, the feed port of the spiral device is arranged below the discharge port, is consistent in size with the discharge port and is seamlessly spliced; the discharge port of the spiral device is arranged below one end of the spiral shell away from the feed port of the spiral device.

[0015] As a preferred solution of the utility model, when the right-handed spiral shaft gear rotates, it drives the left-handed spiral shaft gear to rotate, and the left-handed spiral shaft gear drives the transmission gear to rotate, and the transmission gear drives the stirring shaft gear to rotate.

[0016] As a preferred solution of the utility model, the first coupling connects the reduction motor and the right-handed spiral shaft gear on the transmission gear box; the second coupling connects the stirring device and the transmission gear box.

[0017] As a preferred solution of the utility model, the reduction motor frequency controls the transmission gearbox, the base fixedly mounts the reduction motor, the transmission gearbox and the spiral feeding device, and the discharge port at the lower part of the cache silo is square, consistent in size and shape with the feed port of the spiral device and seamlessly connected.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] 1. In this scheme, a stirring device is provided under the buffer silo so that each layer of material can be discharged at the same time during the material conveying process, so that the material in the buffer silo can drop evenly at the same time, preventing the formation of potholes and blockages during the discharge process, thereby improving the conveying stability.

[0020] 2. This solution effectively solves the problem of material agglomeration and moisture absorption and sticking caused by the material's own characteristics during the conveying process, which leads to sticking and clogging inside the spiral feeding equipment, making the material conveying unstable and the output accuracy poor. This embodiment not only makes the spiral feeding equipment stable and controllable, and the output accuracy, but also improves the quality of the product and extends the service life and reliability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0022] Figure 1 It is the front view of the utility model;

[0023] Figure 2 It is a top view of the utility model;

[0024] Figure 3 This is a schematic diagram of a stirring device of the utility model;

[0025] Figure 4 This is a structural diagram of the transmission gear box of the utility model;

[0026] Figure 5 It is a schematic diagram of the sawtooth stirring shaft of the utility model;

[0027] In the figure: 1. Buffer silo; 11. Filling port; 12. Discharging port; 13. Material observation port; 2. Stirring device; 21. Stirring shaft; 22. Stirring teeth; 23. Mounting flange; 3. Screw feeding device; 31. Screw device feeding port; 32. Double helical screw; 33. Screw device discharging port; 34. Screw device housing; 4. Transmission gear box; 41. Oil filling port; 42. Stirring shaft gear; 43. Transmission gear; 44. Left-handed screw shaft gear; 45. Right-handed screw shaft gear; 46. Lubricating oil level gauge; 47. Right-handed screw rod connection port; 48. Left-handed screw rod connection port; 49. Stirring device connection port; 5. Coupling; 51. First coupling; 52. Second coupling; 6. Speed ​​reduction motor; 7. Base. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Example

[0030] See also Figure 1-5 , the utility model provides the following technical solutions: a buffer silo 1, a stirring device 2, a spiral feeding device 3, a transmission gear box 4, a coupling 5, a reduction motor 6 and a base 7;

[0031] The buffer silo 1 includes a material injection port 11, a material discharge port 12 and a material observation port 13;

[0032] The stirring device 2 includes a stirring shaft 21, stirring teeth 22 and a mounting flange 23;

[0033] The screw feeding device 3 comprises a screw device feed port 31, a double-helical screw 32, a screw device discharge port 33 and a screw housing 34;

[0034] The transmission gear box 4 includes an oil filling port 41, a stirring shaft gear 42, a transmission gear 43, a left-handed screw shaft gear 44, a right-handed screw shaft gear 45, a lubricating oil level gauge 46, a right-handed screw rod connection port 47, a left-handed screw rod connection port 48 and a stirring device connection port 49;

[0035] The coupling 5 includes a first coupling 51 and a second coupling 52 .

[0036] In a specific embodiment of the utility model, by arranging a stirring device under the buffer silo, each layer of material can be output at the same time during the material conveying process, so that the material in the buffer silo can be uniformly dropped at the same time, and the formation of pits and blockages in the output process is prevented, and the conveying stability is improved. The material is effectively solved in the process of conveying. The phenomenon of agglomeration, moisture absorption and sticking of materials caused by its own characteristics leads to the problem of sticking and clogging inside the spiral feeding equipment, which makes the material conveying unstable and the output accuracy poor. This embodiment not only makes the feeding of the spiral feeding equipment stable and controllable, and the output accuracy is improved, but also improves the quality of the product, prolongs the service life and reliability of the equipment. The equipment structure of this device is simple, the installation is quick, and the cost is saved. At the same time, the high structure of this device is simple and convenient to use. At the same time, the work efficiency of this device is improved by achieving the anti-blocking function. The material of this device is also highly durable, and the high-durability material is used to help improve the service life of this device and improve the working stability of the device.

[0037] For details, please refer to Figure 1-5 The buffer silo 1 is conical; the injection port 11 is arranged at the top of the buffer silo 1, the discharge port 12 is arranged at the bottom of the buffer silo 1, and the material observation port 13 is arranged at a position close to the discharge port 12.

[0038] In the present embodiment: the cache silo 1 is installed as a whole above the device, and the cache silo 1 is one of the important components of the device, and has the function of guiding external materials into the device for processing. At the same time, the cache silo 1 is overall tapered in the form of an assembly line, which can further enhance the rapid flow of materials during feeding. The injection port 11 has the function of guiding external materials into the cache silo 1, the discharge port 12 has the function of flowing out the internal material of the cache silo 1, and the material observation port 13 has the function of observing the specific conditions of processing in the device.

[0039] For details, please refer to Figure 1-5 The stirring device 2 is rotatably mounted on the discharge port 12 ; the stirring teeth 22 are fixedly mounted on the stirring shaft 21 and rotate synchronously with the stirring shaft 21 .

[0040] In this embodiment: the stirring device 2 is installed on the discharge port 12 and has the function of directly processing the material through the stirring device 2 when the material flows out from the discharge port 12. The stirring teeth 22 cooperate with the stirring shaft 21. When the stirring shaft 21 starts to rotate, it will automatically drive the stirring teeth 22 to start stirring to process the material.

[0041] For details, please refer to Figure 1-5 The spiral device feed port 31 is arranged below the discharge port 12 , is consistent in size with the discharge port 12 and is seamlessly spliced; the spiral device discharge port 33 is arranged below the end of the spiral housing 34 away from the spiral device feed port 31 .

[0042] In this embodiment: the spiral device feed port 31 is installed directly below the discharge port 12, and at the same time, the spiral device feed port 31 has the function of allowing the material that has been processed once to pass through the spiral device feed port 31 again for secondary processing of the material, the spiral device discharge port 33 has the function of flowing out the secondary processed material, and the spiral shell 34 has the function of storing the once processed material.

[0043] For details, please refer to Figure 1-5 When the right-handed spiral shaft gear 45 rotates, it drives the left-handed spiral shaft gear 44 to rotate, and the left-handed spiral shaft gear 44 drives the transmission gear 43 to rotate, and the transmission gear 43 drives the stirring shaft gear 42 to rotate.

[0044] In this embodiment: the right-handed spiral shaft gear 45 has the function of cooperating with the left-handed spiral shaft gear. When the right-handed spiral shaft gear 45 starts to rotate, it will also drive the left-handed spiral shaft gear 44 to rotate, and then 44 will drive the transmission gear 43 to rotate, and then the rotation of the transmission gear 43 will drive the stirring shaft gear 42 to start rotating. These parts all have the function of performing secondary processing of materials.

[0045] For details, please refer to Figure 1-5 The first coupling 51 connects the reduction motor 6 and the right-handed spiral shaft gear 45 on the transmission gear box 4 ; the second coupling 52 connects the stirring device 2 and the transmission gear box 4 .

[0046] In this embodiment: the first coupling 51 has a function of controlling the rotation of the first coupling 51 through the matching of the reduction motor 6 and the transmission gear box 4, and the second coupling 52 also has a function of controlling the rotation through the matching of the reduction motor 6 and the transmission gear box 4.

[0047] For details, please refer to Figure 1-5 The reduction motor 6 frequency-convertingly controls the transmission gear box 4, and the base 7 is fixedly installed with the reduction motor 6, the transmission gear box 4 and the spiral feeding device 3. The discharge port at the bottom of the buffer silo 1 is square, which is consistent in size and shape with the feed port 31 of the spiral device and is seamlessly connected.

[0048] In this embodiment: the reduction motor 6 not only provides power to the transmission gear box 4, but also controls the specific opening and closing of the transmission gear box 4. The reduction motor 6 is installed just below the base 7. The reduction motor 6 is fixed and locked on the base 7 to achieve stability when the reduction motor 6 is working, so that the reduction motor 6 will not have the problem of rotation and disengagement.

[0049] The working principle and use process of the utility model: during use, the reduction motor 6 is started, and the reduction motor 6 drives the right-handed spiral shaft gear 45 to rotate through the first coupling 51, the right-handed spiral shaft gear 45 drives the left-handed spiral shaft gear 44 to rotate, the left-handed spiral shaft gear 44 drives the transmission gear 43 to rotate, and the transmission gear 43 drives the stirring shaft gear 42 to rotate. The stirring shaft gear 42 is connected to the stirring device 2 through the stirring device connection port 49 and the second coupling 52 respectively, and the stirring shaft gear 42 drives the stirring shaft 21 and the stirring teeth 22 in the stirring device 2 to rotate, so as to evenly refine the agglomerated and blocked materials; the right-handed spiral shaft gear 45 and the left-handed spiral shaft gear 44 are connected to the double-helix screw 32 through the right-handed spiral rod connection port 47 and the left-handed spiral rod connection port 48 respectively, driving the double-helix screw 32 to rotate right and left respectively, and the materials are transported to the discharge port of the spiral equipment via the double-helix screw to complete the material transportation process. The utility model combines the spiral feeding device with the stirring device, effectively solving the problem of material agglomeration and moisture absorption and sticking of the powder material during the transportation process due to its material characteristics, which leads to the internal sticking and blocking of the spiral feeding device, making the material transportation unstable and the output accuracy poor. The technical scheme of the utility model not only makes the feeding of the spiral feeding device stable and controllable, and the output accuracy is improved, but also improves the quality of the product and prolongs the service life and reliability of the equipment.

Claims

1. A double screw feeding device with a stirring device, characterized in that include: A buffer silo (1), a stirring device (2), a screw feeding device (3), a transmission gear box (4), a coupling (5), a reduction motor (6) and a base (7); The buffer silo (1) comprises a material injection port (11), a material discharge port (12) and a material observation port (13); The stirring device (2) comprises a stirring shaft (21), stirring teeth (22) and a mounting flange (23); The spiral feeding device (3) comprises a spiral device feed port (31), a double-helical screw (32), a spiral device discharge port (33) and a spiral housing (34); The transmission gear box (4) comprises an oil filling port (41), a stirring shaft gear (42), a transmission gear (43), a left-handed spiral shaft gear (44), a right-handed spiral shaft gear (45), a lubricating oil level gauge (46), a right-handed spiral shaft connecting port (47), a left-handed spiral shaft connecting port (48) and a stirring device connecting port (49); The coupling (5) comprises a first coupling (51) and a second coupling (52).

2. The double-screw feeding device with a stirring device according to claim 1, characterized in that: The buffer silo (1) is conical; the injection port (11) is arranged at the top of the buffer silo (1), the discharge port (12) is arranged at the bottom of the buffer silo (1), and the material observation port (13) is arranged at a position close to the discharge port (12).

3. The double-screw feeding device with a stirring device according to claim 2, characterized in that: The stirring device (2) is rotatably mounted on the discharge port (12); the stirring teeth (22) are fixedly mounted on the stirring shaft (21) and rotate synchronously with the stirring shaft (21).

4. The double-screw feeding device with a stirring device according to claim 3, characterized in that: The spiral device feed port (31) is arranged below the discharge port (12), has the same size as the discharge port (12) and is seamlessly spliced; the spiral device discharge port (33) is arranged below the end of the spiral shell (34) away from the spiral device feed port (31).

5. The double-screw feeding device with a stirring device according to claim 4, characterized in that: When the right-handed spiral shaft gear (45) rotates, it drives the left-handed spiral shaft gear (44) to rotate, the left-handed spiral shaft gear (44) drives the transmission gear (43) to rotate, and the transmission gear (43) drives the stirring shaft gear (42) to rotate.

6. The double-screw feeding device with a stirring device according to claim 5, characterized in that: The first coupling (51) connects the reduction motor (6) and the right-handed spiral shaft gear (45) on the transmission gear box (4); the second coupling (52) connects the stirring device (2) and the transmission gear box (4).

7. The double-screw feeding device with a stirring device according to claim 6, characterized in that: The reduction motor (6) controls the transmission gear box (4) by frequency conversion, the base (7) is fixedly mounted with the reduction motor (6), the transmission gear box (4) and the screw feeding device (3), and the discharge port at the bottom of the buffer bin (1) is square in shape and consistent in size and shape with the feed port (31) of the screw device and seamlessly connected.

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