CN219463259U - Conical double-screw mixing device - Google Patents

Abstract

The utility model relates to a conical double-screw mixing device in the technical field of stirring and mixing equipment, which comprises a barrel, wherein a stepping motor is arranged in the center of the top of the barrel, an output shaft of the stepping motor extends into the barrel and is fixedly connected with a gear box, three transmission boxes are fixedly connected onto the gear box, a conical gear I is fixedly arranged on the output shaft of the stepping motor in the gear box, two conical gears II are meshed with the conical gear I, a rotating rod is fixedly connected to the center of the conical gears II, the rotating rod extends into the corresponding transmission box and is connected with a stirring rod outside the transmission box through a transmission assembly, a threaded rod is arranged in the other transmission box and is connected with a motor, a strip-shaped opening is formed in the bottom of the transmission box corresponding to the threaded rod, a sliding block is in threaded fit onto the threaded rod, and a scraping rod is connected to the bottom of the sliding block after extending out of the strip-shaped opening through a connecting rod. The components of the utility model are mutually matched, so that the stirring and mixing efficiency and effect are improved, and the cleaning of the cylinder body is more efficient and thorough.

Description

Conical double-screw mixing device

Technical Field

The utility model belongs to the technical field of mixing and stirring equipment, and particularly relates to a conical double-screw mixing device.

Background

The conical double-screw mixer is a mixer for mixing powdery and granular solid materials, the working principle of the mixer is that the powdery and granular materials are poured into a conical container, a motor drives a stirring rod (namely a blade on a screw shaft) to stir in a rotating way, and the stirring rod rotates around an output shaft at the same time, so that the stirring and mixing of the materials are realized, and the patent number CN211487394U discloses a double-screw conical mixer which comprises a driving motor mechanism, a machine body, a steering distribution box, a main screw shaft, an auxiliary screw shaft and a connecting rod; an auxiliary stirring mechanism is arranged at the lower end of the steering distribution box in the machine body; the auxiliary stirring mechanism comprises a cutter bar; the cutter bar is provided with a blade; the cutter bar is positioned between the main screw shaft and the auxiliary screw shaft; a first gap is formed between the auxiliary stirring mechanism and the main screw shaft; a second gap is formed between the auxiliary stirring mechanism and the auxiliary screw shaft. The blade on this patent cutter arbor plays the effect of smashing to the caking material in the material flows, makes the mixing of material more even, but when mixing some sticky raw materials, can adhere to some raw materials in the section of thick bamboo wall, inconvenient clearance influences the mixing of different materials next, is unfavorable for production, consequently, needs a toper double helix mixing arrangement to solve above-mentioned problem.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a conical double-screw mixing device, which comprises a barrel, wherein the top of the barrel is provided with a feed inlet with a switch valve, the bottom of the barrel is provided with a discharge outlet with a switch valve, the center of the top of the barrel is provided with a stepping motor, an output shaft of the stepping motor stretches into the barrel and is fixedly connected with a gear box, three transmission boxes are fixedly connected to the gear box and are uniformly distributed along the circumferential direction of the gear box, a first conical gear is fixed on the output shaft of the stepping motor in the gear box, a second conical gear is meshed with the first conical gear, the centers of the second conical gears are fixedly connected with rotating rods, and the rotating rods respectively stretch into the corresponding transmission boxes;

the utility model discloses a motor, including the drive box, the transfer line is connected with the drive assembly behind stretching into the drive box, the drive assembly is connected with the puddler outside the drive box, is equipped with the threaded rod in another drive box, the one end fixedly connected with motor that the threaded rod is close to the barrel center, the motor passes through the electric slip ring and is connected with the power outside the barrel, and when the setting of electric slip ring ensured motor rotated along with step motor, the line of motor and power can not turn round the strength, can ensure the normal of connection, makes the motor can normally work, or the detachable battery is connected to the motor, and the battery is fixed in the drive box that the motor corresponds, can ensure the normal work of motor equally. The other end of threaded rod is kept away from the one end rotation connection in barrel center through bearing and transmission case, and the bottom of the transmission case that the threaded rod corresponds is equipped with rectangular shape opening, rectangular shape opening is parallel with the threaded rod, threaded fit has the slider on the threaded rod, the slider matches with the transmission case, the bottom fixedly connected with connecting rod of slider, the lower extreme of connecting rod is connected with the scraper bar after stretching out from rectangular shape opening, scrape the inner wall cooperation of pole and barrel.

Preferably, the transmission assembly comprises a protection box, a third bevel gear and a fourth bevel gear, the protection box is fixedly connected with the corresponding transmission box, the rotating rod stretches into the protection box and is fixedly connected with the center of the third bevel gear, the fourth bevel gear is meshed with the third bevel gear, and the center of the fourth bevel gear is fixedly connected with the stirring rod.

Preferably, the gear box is circular, and the distribution of the transmission box can be more uniform on the premise of saving space and the feeding of the feeding port is more convenient.

Preferably, the transmission case is in a strip shape, and the transmission case is more matched with the rotating rod.

The utility model also comprises other components which can enable the conical double-screw mixing device to be normally used, for example, a control component of a stepping motor, a speed reducing mechanism connected with the stepping motor, a control component of a switch valve, a conductive slip ring, a control component of a motor and the like are all conventional technical means in the field. In addition, the devices or components not limited in the utility model are all conventional technical means in the art, such as stirring rods, first conical gears, second conical gears, third conical gears, fourth conical gears, switching valves, conductive slip rings, motors and the like.

The working principle of the utility model is as follows: the material enters the cylinder body from the feeding hole, the stepping motor starts to drive the first conical gears to rotate, the first conical gears drive the second conical gears to rotate, the second conical gears drive the rotating rods to rotate, and the third conical gears on the rotating rods drive the fourth conical gears to rotate, so that the two stirring rods are driven to rotate, and the material of the cylinder body is effectively stirred; meanwhile, the motor drives the threaded rod to rotate, the sliding block in threaded fit with the threaded rod does not rotate along with the threaded rod under the limiting action of the corresponding matched transmission box, but moves reciprocally along the threaded rod, the scraping rod is driven to move reciprocally along the strip-shaped opening in the moving process, the scraping rod rotates along the output shaft of the stepping motor in the reciprocal moving process along the strip-shaped opening, materials at different positions in the cylinder are stirred, and the stirring effect and stirring efficiency are further improved by matching the scraping rod with the stirring rod; in addition, when the scraping rod moves to one end of the strip-shaped opening far away from the center of the cylinder body, the scraping rod is attached to the inner wall of the cylinder body, so that the material adhered to the inner wall of the cylinder body can be scraped, the scraping effect is achieved, and when the cylinder body is cleaned, the scraping rod is in contact with the inner wall of the cylinder body to clean the inner wall of the cylinder body efficiently and thoroughly.

The stirring device has the beneficial effects that the scraping rod and the stirring rod are matched with each other, so that materials can be mixed efficiently, the position of the scraping rod in the cylinder is changeable, the stirring range is enlarged, the stirring effect is improved, meanwhile, the scraping rod can scrape the inner wall of the cylinder, the sticking of the materials is avoided, and the cleaning of the cylinder is facilitated. The stirring device has the advantages that the whole structure is reasonable, all components are matched with each other, the stirring efficiency and the stirring effect are improved, and the cleaning of the cylinder body is more efficient and thorough.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic view of a conical double helix mixing apparatus according to an embodiment of the present utility model;

FIG. 2 is a top view of the top portion of the cartridge of FIG. 1;

FIG. 3 is a schematic illustration of the structure within the transmission case at A-A of FIG. 2;

FIG. 4 is a view of the scraper bar of FIG. 3 after it has been moved toward the center of the barrel;

fig. 5 is a schematic view of the transmission assembly of fig. 1.

In the figure: 1. a cylinder; 2. a feed inlet; 3. a stepping motor; 4. a stirring rod; 5. a scraping rod; 6. a rotating lever; 7. a gear box; 8. a second bevel gear; 9. a first conical gear; 10. a transmission case; 11. a threaded rod; 12. a slide block; 13. a motor; 14. a connecting rod; 15. a strip-shaped opening; 16. a protection box; 17. a conical gear III; 18. and a conical gear IV.

Detailed Description

The present utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the utility model are shown, and in which embodiments of the utility model are shown. All other embodiments, modifications, equivalents, improvements, etc., which are apparent to those skilled in the art without the benefit of this disclosure, are intended to be included within the scope of this utility model.

Examples

As shown in fig. 1-5, the utility model provides a conical double-screw mixing device, which comprises a barrel 1, wherein a feed inlet 2 with a switch valve is arranged at the top of the barrel 1, a discharge outlet with a switch valve is arranged at the bottom of the barrel 1, a stepping motor 3 is arranged at the center of the top of the barrel 1, an output shaft of the stepping motor 3 stretches into the barrel 1 and is fixedly connected with a gear box 7, three transmission boxes 10 are fixedly connected onto the gear box 7, the three transmission boxes 10 are uniformly distributed along the circumferential direction of the gear box 7, the gear box 7 is circular, the transmission boxes 10 can be uniformly distributed on the premise of saving space, a first conical gear 9 is fixed on the output shaft of the stepping motor in the gear box 7, two second conical gears 8 are meshed with the first conical gear 9, a rotating rod 6 is fixedly connected to the center of each second conical gear 8, the rotating rod 6 stretches into the corresponding transmission boxes 10 respectively, and the transmission boxes 10 are in strip shapes and are arranged at the positions which enable the transmission boxes 10 to be more matched with the rotating rod 6.

The rotary rod 6 stretches into the transmission case 10 and is connected with a transmission assembly, the transmission assembly is connected with the stirring rod 4 outside the transmission case 10, the transmission assembly comprises a protection case 16, a third conical gear 17 and a fourth conical gear 18, the protection case 16 is fixedly connected with the corresponding transmission case 10, the rotary rod 6 stretches into the protection case 16 and is fixedly connected with the center of the third conical gear 17, the fourth conical gear 18 is meshed with the third conical gear 17, and the center of the fourth conical gear 18 is fixedly connected with the stirring rod 4; the other transmission case 10 is internally provided with a threaded rod 11, one end of the threaded rod 11, which is close to the center of the cylinder body 1, is fixedly connected with a motor 13, the motor 13 is connected with a power supply outside the cylinder body 1 through a conductive slip ring, the power supply can be commercial power or a replaceable storage battery, the setting of the conductive slip ring ensures that the motor 13 can work normally while rotating along with the stepping motor 3, and the storage battery can be fixed in the transmission case corresponding to the motor. The other end of threaded rod 11 is connected through the bearing with the one end rotation that barrel 1 center was kept away from to drive box 10, and the bottom of drive box 10 that threaded rod 11 corresponds is equipped with rectangular shape opening 15, rectangular shape opening 15 is parallel with threaded rod 11, threaded rod 11 goes up screw thread fit and has slider 12, slider 12 matches with drive box 10, the bottom fixedly connected with connecting rod 14 of slider 12, the lower extreme of connecting rod 14 is connected with the scraper bar 5 after stretching out from rectangular shape opening 15, scraper bar 5 cooperates with the inner wall of barrel 1.

During operation, materials enter the cylinder body 1 from the feed inlet 2, the stepping motor 3 is started to drive the first conical gears 9 to rotate, the first conical gears 9 drive the second conical gears 8 to rotate, the second conical gears 8 drive the rotating rods 6 to rotate, the third conical gears 17 on the rotating rods 6 drive the fourth conical gears 18 to rotate, and accordingly the two stirring rods 4 are driven to rotate, and materials of the cylinder body 1 are effectively stirred; meanwhile, the motor 13 drives the threaded rod 11 to rotate, the sliding block 12 in threaded fit with the threaded rod 11 does not rotate along with the threaded rod 11 under the limiting action of the corresponding matched transmission box 10, but moves reciprocally along the threaded rod 11, the scraping rod 5 is driven to move reciprocally along the strip-shaped opening 15 in the moving process, the scraping rod 5 rotates along the output shaft of the stepping motor 3 in the reciprocal moving process along the strip-shaped opening 15, materials at different positions in the cylinder 1 are stirred, and the stirring effect and stirring efficiency are further improved by the matching of the scraping rod 15 and the stirring rod 4; in addition, when the scraping rod 5 moves to one end of the strip-shaped opening 15 far away from the center of the cylinder body 1, the scraping rod 15 is attached to the inner wall of the cylinder body 1, so that the material adhered to the inner wall of the cylinder body 1 can be scraped, the scraping effect is achieved, and when the cylinder body 1 is cleaned, the scraping rod 15 contacts with the inner wall of the cylinder body 1 to clean the inner wall of the cylinder body 1 efficiently and thoroughly.

The embodiments of the present utility model have been described above, the description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (4)

1. The utility model provides a toper double helix mixing arrangement, includes the barrel, the top of barrel is equipped with the feed inlet, and the bottom of barrel is equipped with the discharge gate, its characterized in that: the center of the top of the cylinder body is provided with a stepping motor, an output shaft of the stepping motor stretches into the cylinder body and is fixedly connected with a gear box, three transmission boxes are fixedly connected to the gear box and are uniformly distributed along the circumferential direction of the gear box, a first conical gear is fixed on the output shaft of the stepping motor in the gear box, the first conical gear is meshed with a second conical gear, the centers of the second conical gears are fixedly connected with rotating rods, the rotating rods respectively stretch into corresponding transmission boxes, a transmission assembly is connected to the rotating rods after the rotating rods stretch into the transmission boxes, and the transmission assembly is connected with stirring rods outside the transmission boxes; be equipped with the threaded rod in another transmission case, the one end fixedly connected with motor that the threaded rod is close to the barrel center, the motor is connected with the power outside the barrel through electrically conductive sliding ring, and the other end of threaded rod is rotated through the one end that the barrel was kept away from to bearing and transmission case, and the bottom of the transmission case that the threaded rod corresponds is equipped with rectangular shape opening, rectangular shape opening is parallel with the threaded rod, screw thread fit has the slider on the threaded rod, the slider matches with the transmission case, the bottom fixedly connected with connecting rod of slider, the lower extreme of connecting rod is connected with the scraper bar after stretching out from rectangular shape opening, the scraper bar is with the inner wall cooperation of barrel.

2. A conical twin screw mixing device as defined in claim 1, wherein: the transmission assembly comprises a protection box, a third bevel gear and a fourth bevel gear, the protection box is fixedly connected with the corresponding transmission box, the rotating rod stretches into the protection box and is fixedly connected with the center of the third bevel gear, the fourth bevel gear is meshed with the third bevel gear, and the center of the fourth bevel gear is fixedly connected with the stirring rod.

3. A conical twin screw mixing device as defined in claim 1, wherein: the gear box is circular.

4. A conical twin screw mixing device as defined in claim 1, wherein: the transmission case is in a strip shape.