Raw and auxiliary material feeding device
By installing partitions and adjustment mechanisms inside the storage bin, combined with a feeding turntable and mixing rollers, the problem of uneven raw material feeding in polyurethane production was solved, achieving uniform and rapid mixing of raw and auxiliary materials and improving production efficiency.
Patent Information
- Application Number
- CN202422924234.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-29
AI Technical Summary
In the existing polyurethane production process, uneven feeding of raw materials leads to prolonged mixing time, which affects production efficiency.
Design a raw material feeding device that divides the storage bin into storage silos by setting a partition inside the storage box and equipping it with an adjustment mechanism and a premixing mechanism. Combined with a feeding turntable and a mixing roller, it realizes uniform feeding and premixing of raw materials and uses a drive shaft and a spiral plate to improve the flowability of material circulation.
It achieves uniform mixing of raw and auxiliary materials, reduces mixing time, and improves production efficiency and the practicality of the equipment.
Smart Images

Figure CN223517433U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a material feeding processing technical field, concretely is a raw and auxiliary material feeding device. BACKGROUND
[0002] Polyurethane (PU) is the abbreviation of high polymer polyurethane containing --HNCO--O-- group on the molecular main chain. It is usually formed by stepwise addition polymerization of isocyanate, polyhydric alcohol polymer or aromatic diamine, etc. Because polyurethane contains strong polar urethane group, it has the characteristics of high strength, high wear resistance and solvent resistance, etc. and can adjust the performance of polyurethane in a wide range by changing the mechanism of polyhydric compound, relative molecular mass, etc. so that it has been widely used in the fields of transportation, building, light industry, textile, electromechanical, aviation, medical health, etc. Because polyurethane needs to be mixed with various materials, a mixing device is needed to mix the raw materials and various auxiliary materials during production. However, in the prior art, the raw materials are weighed manually and then added to the stirring kettle after being quantitatively weighed, so as to complete the quantitative feeding operation of the raw materials. However, this way will cause the various materials to be stacked in the stirring kettle during feeding, and the mixing time needs to be prolonged to uniformly mix the materials, thereby prolonging the overall processing time. SUMMARY
[0003] The utility model aims at providing a raw and auxiliary material feeding device to solve the problem of uneven feeding in the production process of polyurethane.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0005] A raw and auxiliary material feeding device, comprising a mixing box, a feeding box is communicated at the upper end of the mixing box, a material collecting hopper is communicated at the upper end of the feeding box, the material collecting hopper is communicated at the bottom end of a storage box, a bottom plate is fixedly arranged at the bottom end of the storage box, a plurality of partition plates are fixedly arranged at the upper end of the bottom plate, the storage box is divided into a plurality of storage bins by the plurality of partition plates, a first discharge hole is arranged at the position corresponding to each storage bin at the upper end of the bottom plate, a discharging turntable is closely arranged at the bottom end of the bottom plate, a second discharge hole is arranged on the discharging turntable, the discharging turntable is fixedly arranged at one end of a fixed shaft, the fixed shaft is rotatably arranged in a fixed pipe, the fixed pipe is fixedly arranged at the upper end of the bottom plate, one end of the fixed shaft is fixedly connected with the output end of a first motor, the first motor is fixedly arranged at one end of the fixed pipe, an adjusting mechanism for adjusting the discharge amount of the first discharge hole is arranged in the bottom plate, a distributing roller is rotatably arranged in the feeding box, a plurality of distributing grooves are arranged on the distributing roller, and a premixing mechanism for premixing the materials is arranged in each distributing groove.
[0006] Based on the above technical solutions, this utility model also provides the following optional technical solutions:
[0007] In one alternative: the adjusting mechanism includes an adjusting plate, and the bottom plate and the first discharge hole are provided with sliding grooves. The adjusting plate is slidably arranged in the sliding grooves. Several adjusting plates are respectively fixedly arranged on the output ends of several electric push rods. The electric push rods are all fixedly arranged on the storage box. The upper end of the adjusting plate is provided with a third discharge hole.
[0008] In one alternative: a sealing plate is fixedly provided inside the sliding groove at a position corresponding to one side of the first discharge hole, and the sealing plate is slidably disposed in the third discharge hole.
[0009] In one alternative embodiment: the premixing mechanism includes a mixing roller, and a plurality of mixing rollers are rotatably mounted in each of the distributing troughs. The rotating shafts at both ends of the mixing rollers extend to the outside of the distributing rollers. A first gear is fixedly mounted on one rotating shaft of each mixing roller. The plurality of first gears mesh with the inner gear ring of a gear ring. Sliding grooves are provided on both sides of the gear ring. Fixed rings are rotatably mounted in each sliding groove. Two fixed rings are respectively fixedly mounted on one side of the distributing roller and one side of the feeding box. A second gear meshes on the outer gear ring of the gear ring. Rotating plates are rotatably mounted on the rotating shafts at both ends of the second gear. The rotating plates are fixedly mounted on the upper end of the mixing box. A rotating shaft on one side of the second gear is fixedly mounted on the output end of a third motor. The third motor is fixedly mounted on the upper end of the mixing box. The rotating shaft at one end of the distributing roller is fixedly connected to the output end of the second motor. The second motor is fixedly mounted on one side of the feeding box.
[0010] In one alternative: a drive shaft is rotatably mounted in the mounting hole at the bottom of the mixing box; a mixing frame is fixedly mounted at one end of the drive shaft; a plurality of first mixing rods are fixedly mounted on the inner side of the mixing frame; a first bevel gear is fixedly mounted at one end of the drive shaft; a second bevel gear meshes with the first bevel gear; the second bevel gear is fixedly mounted on the output end of a fourth motor; and the fourth motor is fixedly mounted at the bottom of the mixing box.
[0011] In one alternative: a spiral plate is fixedly mounted on the drive shaft, a transmission tube is closely attached to the outer side of the spiral plate, a connecting frame is fixedly mounted at one end of the transmission tube, the connecting frame is rotatably sleeved on one end of the drive shaft, a third bevel gear is fixedly mounted at one end of the connecting frame, the third bevel gear meshes with a second bevel gear, and a plurality of second mixing rods are mounted on the transmission tube.
[0012] In one alternative: both the first mixing rod and the second mixing rod are inclined.
[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0014] This invention divides the storage bin into several storage compartments by installing several partitions inside, facilitating the separate storage of different raw materials and auxiliary materials. An adjusting plate allows for easy adjustment of the discharge rate from each compartment, and a feeding turntable at the bottom of the base plate ensures uniform material feeding into each compartment. Several distributing troughs are installed on the distributing rollers, each containing a rotating mixing roller. A gear ring engages with a first gear to drive the mixing rollers, facilitating pre-mixing of raw materials and auxiliary materials. This ensures uniform mixing, reduces material accumulation, and shortens mixing time. A spiral plate is fixed to the drive shaft, with a transmission pipe attached to its outer side, facilitating the conveying of material from the bottom of the mixing bin and promoting material circulation within the bin. This enhances the mixing effect of raw materials and auxiliary materials, thereby increasing the practicality of the raw material feeding device. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of this utility model.
[0016] Figure 2 This is a schematic diagram of the internal structure of the mixing box of this utility model.
[0017] Figure 3 This is a schematic diagram of the material feeding turntable structure of this utility model.
[0018] Figure 4 This is a schematic diagram of the mixing roller structure of this utility model.
[0019] Figure 5 This is a schematic diagram of the toothed ring structure of this utility model.
[0020] Figure 6 This is a schematic diagram of the installation of the spiral plate of this utility model.
[0021] Figure 7 This is a schematic diagram of the material distribution roller structure of this utility model.
[0022] Figure reference numerals: 11 Mixing bin, 12 Feeding bin, 13 Collecting hopper, 14 Storage bin, 15 Partition plate, 16 Bottom plate, 17 Adjusting plate, 18 Electric push rod, 19 Sealing plate, 20 Discharge turntable, 21 Fixed shaft, 22 First motor, 23 Distributing roller, 24 Second motor, 25 Mixing roller, 26 First gear, 27 Gear ring, 28 Second gear, 29 Third motor, 30 Drive shaft, 31 Spiral plate, 32 Mixing frame, 33 Transmission pipe, 34 Connecting frame, 35 Fourth motor. Detailed Implementation
[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.
[0024] In one embodiment, as shown in Figures 1-7 The raw material feeding device comprises a mixing box 11, a feeding box 12 communicated with the upper end of the mixing box 11, a collecting hopper 13 communicated with the upper end of the feeding box 12, a storage box 14 communicated with the bottom end of the collecting hopper 13, a bottom plate 16 fixedly arranged at the bottom end of the storage box 14, a plurality of partition plates 15 fixedly arranged at the upper end of the bottom plate 16, a plurality of storage compartments separated by the plurality of partition plates 15 in the storage box 14, a first discharge hole arranged at the upper end of the bottom plate 16 corresponding to the position of each storage compartment, a discharging turntable 20 closely arranged at the bottom end of the bottom plate 16, a second discharge hole arranged on the discharging turntable 20, a fixed shaft 21 fixedly arranged at one end of the discharging turntable 20, the fixed shaft 21 rotatably arranged in a fixed tube, the fixed tube fixedly arranged at the upper end of the bottom plate 16, one end of the fixed shaft 21 fixedly connected with the output end of a first motor 22, the first motor 22 fixedly arranged at one end of the fixed tube, and an adjusting mechanism arranged in the bottom plate 16 for adjusting the discharge amount of the first discharge hole, a distribution roller 23 rotatably arranged in the feeding box 12, a plurality of distribution grooves arranged on the distribution roller 23, and a premixing mechanism arranged in each distribution groove for premixing the materials. The adjusting mechanism can adjust the discharge amount of different storage compartments, the premixing mechanism can premix the raw materials and auxiliary materials, and then the premixed materials can be mixed in the mixing box 11.
[0025] The adjusting mechanism comprises an adjusting plate 17, a sliding groove arranged in the bottom plate 16 corresponding to the position of each first discharge hole, and the adjusting plate 17 slidably arranged in the sliding groove. The adjusting plate 17 is fixedly arranged at the output end of each electric push rod 18, and the electric push rod 18 is fixedly arranged on the storage box 14. The upper end of the adjusting plate 17 is provided with a third discharge hole. When the raw materials and auxiliary materials are mixed, the raw materials and different auxiliary materials are placed in different storage compartments. Then, the electric push rod 18 is started according to the required amount of materials, the electric push rod 18 drives the adjusting plate 17 to move, the overlapping area of the first discharge hole and the third discharge hole is adjusted, and the discharge amount of different storage compartments is adjusted.
[0026] A sealing plate 19 is fixedly arranged in the sliding groove corresponding to the position of each first discharge hole. The sealing plate 19 is slidably arranged in the third discharge hole. When the adjusting plate 17 is adjusted, the sealing plate 19 can prevent the materials from entering the sliding groove.
[0027] The premixing mechanism comprises mixing rollers 25, the mixing rollers 25 are rotatably arranged in the plurality of distribution grooves, the two ends of the rotating shafts of the mixing rollers 25 extend to the outside of the distribution rollers 23, the first gears 26 are fixedly arranged on the one end of the rotating shafts of the mixing rollers 25, the plurality of first gears 26 are in meshing connection with the inner gear rings of the toothed rings 27, the two sides of the toothed rings 27 are provided with sliding grooves, the fixed rings are rotatably arranged in the sliding grooves, the two fixed rings are fixedly arranged on one side of the distribution rollers 23 and one side of the feeding box 12, the second gears 28 are in meshing connection with the outer gear rings of the toothed rings 27, the rotating plates are rotatably arranged on the two ends of the rotating shafts of the second gears 28, the rotating plates are fixedly arranged on the upper end of the mixing box 11, the one side of the rotating shaft of the second gear 28 is fixedly arranged on the output end of the third motor 29, the third motor 29 is fixedly arranged on the upper end of the mixing box 11, the one end of the rotating shaft of the distribution roller 23 is fixedly connected with the output end of the second motor 24, and the second motor 24 is fixedly arranged on one side of the feeding box 12. When the materials in the different storage bins fall into the material collecting hopper 13, the second motor 24 drives the distribution roller 23 to rotate, so that one distribution groove on the distribution roller 23 is aligned with the discharging end of the material collecting hopper 13, then the materials in the material collecting hopper 13 fall into the distribution groove, then the second motor 24 drives the distribution roller 23 to continue to rotate, at the same time, the output end of the third motor 29 drives the toothed ring 27 to rotate through the second gear 28, the toothed ring 27 drives the plurality of first gears 26 to rotate, the first gears 26 drive the mixing rollers 25 to rotate, so that the mixing rollers 25 premix the materials in the distribution groove, and when the distribution groove rotates to the upper end of the mixing box 11, the materials in the distribution groove fall into the mixing box 11 to be mixed.
[0028] The transmission shaft 30 is rotatably arranged in the mounting hole at the bottom end of the mixing box 11, the mixing frame 32 is fixedly arranged on the one end of the transmission shaft 30, the plurality of first mixing rods are fixedly arranged on the inner side of the mixing frame 32, the first bevel gears are fixedly arranged on the one end of the transmission shaft 30, the second bevel gears are in meshing connection with the first bevel gears, the output end of the fourth motor 35 is fixedly arranged on the second bevel gears, and the fourth motor 35 is fixedly arranged at the bottom end of the mixing box 11. When the raw materials and auxiliary materials in the mixing box 11 need to be mixed, the fourth motor 35 is started, the output end of the fourth motor 35 drives the transmission shaft 30 to rotate through the meshing connection between the second bevel gears and the first bevel gears, the transmission shaft 30 drives the mixing frame 32 to rotate, and the mixing frame 32 mixes the raw materials and auxiliary materials in the mixing box 11 through the first mixing plate.
[0029] The spiral plate 31 is fixed on the transmission shaft 30, the transmission pipe 33 is tightly arranged outside the spiral plate 31, the connecting frame 34 is fixed on one end of the transmission pipe 33, the connecting frame 34 is rotatably sleeved on one end of the transmission shaft 30, the third bevel gear is fixed on one end of the connecting frame 34, the third bevel gear is engaged with the second bevel gear, and the second mixing rod is arranged on the transmission pipe 33.
[0030] The first mixing rod and the second mixing rod are both arranged in an inclined manner, so that the material in the mixing box 11 is mixed conveniently.
[0031] The above embodiment discloses a raw material and auxiliary material feeding device, wherein after the material in different storage bins falls into the collecting hopper 13, the second motor 24 drives the material distribution roller 23 to rotate, so that one material distribution groove on the material distribution roller 23 is aligned with the discharging end of the collecting hopper 13, then the material in the collecting hopper 13 falls into the material distribution groove, then the second motor 24 drives the material distribution roller 23 to continue to rotate, and the third motor 29 drives the gear ring 27 to rotate through the second gear 28, the gear ring 27 drives the first gear 26 to rotate, and the first gear 26 drives the mixing roller 25 to rotate, so that the mixing roller 25 pre-mixes the material in the material distribution groove, when the material distribution groove rotates to the upper end of the mixing box 11, the material in the material distribution groove falls into the mixing box 11, when the raw material and the auxiliary material in the mixing box 11 need to be mixed, the fourth motor 35 is started, the fourth motor 35 drives the transmission shaft 30 and the transmission pipe 33 to rotate through the second bevel gear, the first bevel gear and the third bevel gear, the transmission shaft 30 drives the mixing frame 32 to rotate, the mixing frame 32 mixes the raw material and the auxiliary material in the mixing box 11 through the first mixing plate, and the spiral plate 31 is used in cooperation with the transmission pipe 33, so that the material at the bottom of the mixing box 11 is transmitted to one end of the transmission pipe 33 and then discharged, so that the material in the mixing box 11 flows.
[0032] The above only describes specific embodiments of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A raw material feeding device, comprising a mixing box (11), a feeding box (12) is communicated at the upper end of the mixing box (11), a collecting hopper (13) is communicated at the upper end of the feeding box (12), the collecting hopper (13) is communicated at the bottom end of a storage box (14), and a bottom plate (16) is fixed at the bottom end of the storage box (14), characterized in that, The bottom plate (16) upper end is provided with a plurality of partitions (15), a plurality of partitions (15) will be separated into a plurality of storage bins, the bottom plate (16) upper end and a plurality of storage bin position corresponding place is equipped with first discharge hole, the bottom plate (16) bottom end is closely provided with a discharge rotary table (20), the discharge rotary table (20) is equipped with a second discharge hole, the discharge rotary table (20) is fixedly arranged on the fixed shaft (21) one end, the fixed shaft (21) is rotatably arranged in the fixed tube, the fixed tube is fixedly arranged on the bottom plate (16) upper end, the fixed shaft (21) one end is fixedly connected with the first motor (22) output end, the first motor (22) is fixedly arranged on the fixed tube one end, the bottom plate (16) inside is equipped with the adjusting mechanism for adjusting the first discharge hole discharge amount, the feeding box (12) inside is rotatably provided with a distribution roller (23), the distribution roller (23) is equipped with a plurality of distribution grooves, the distribution groove is equipped with a premixing mechanism for premixing material.
2. The raw material feeding device according to claim 1, wherein The adjusting mechanism comprises an adjusting plate (17), the bottom plate (16) inside and the first discharge hole are equipped with sliding grooves, the sliding groove is slidably provided with an adjusting plate (17), a plurality of adjusting plates (17) are respectively fixedly arranged on the output end of a plurality of electric push rods (18), the electric push rod (18) is fixedly arranged on the storage box (14), the adjusting plate (17) upper end is equipped with a third discharge hole.
3. The raw and auxiliary material feeding device according to claim 2, characterized in that, The sliding groove inside and the first discharge hole one side position corresponding place is fixedly provided with a sealing plate (19), the sealing plate (19) is slidably arranged in the third discharge hole.
4. The raw and auxiliary material feeding device according to claim 1, characterized in that, The premixing mechanism comprises a mixing roller (25), a plurality of distribution grooves are rotatably provided with a mixing roller (25), the both ends of the mixing roller (25) are rotatably arranged outside the distribution roller (23), the first gear (26) is fixedly arranged on the one end of the mixing roller (25), a plurality of first gears (26) are engaged with the inner gear ring of the gear ring (27), the gear ring (27) is provided with a sliding groove on both sides, the sliding groove is rotatably provided with a fixed ring, the two fixed rings are respectively fixedly arranged on one side of the distribution roller (23) and one side of the feeding box (12), the second gear (28) is engaged on the outer gear ring of the gear ring (27), the second gear (28) is rotatably arranged on the both ends of the rotating shaft, the rotating plate is fixedly arranged on the upper end of the mixing box (11), the third motor (29) is fixedly arranged on the upper end of the mixing box (11), the one end of the distribution roller (23) is fixedly connected with the output end of the second motor (24), the second motor (24) is fixedly arranged on one side of the feeding box (12).
5. The raw and auxiliary material feeding device according to claim 1, characterized in that, The transmission shaft (30) is rotatably arranged in the bottom end mounting hole of the mixing box (11), one end of the transmission shaft (30) is fixedly provided with a mixing frame (32), the inner side of the mixing frame (32) is fixedly provided with a plurality of first mixing rods, one end of the transmission shaft (30) is fixedly provided with a first bevel gear, a second bevel gear is meshingly arranged on the first bevel gear, the second bevel gear is fixedly arranged on the output end of a fourth motor (35), and the fourth motor (35) is fixedly arranged at the bottom end of the mixing box (11).
6. The raw and auxiliary material feeding device according to claim 5, characterized in that, The transmission shaft (30) is fixedly provided with a spiral plate (31), the outer side of the spiral plate (31) is tightly provided with a transmission pipe (33), one end of the transmission pipe (33) is fixedly provided with a connecting frame (34), the connecting frame (34) is rotatably sleeved on one end of the transmission shaft (30), one end of the connecting frame (34) is fixedly provided with a third bevel gear, the third bevel gear is meshed with the second bevel gear, and the transmission pipe (33) is provided with a plurality of second mixing rods.
7. The raw and auxiliary material feeding device according to claim 6, characterized in that, The first mixing rod and the second mixing rod are both arranged in an inclined manner.