CN215950291U

CN215950291U - Novel gearbox of flour machine

Info

Publication number: CN215950291U
Application number: CN202121251112.6U
Authority: CN
Inventors: 邱宪; 陈业宏; 姚远辉
Original assignee: Shenzhen Hawkins Industrial Development Co ltd; Huizhou Zhenbao Electric Appliance Manufacturing Co ltd
Current assignee: Shenzhen Hawkins Industrial Development Co ltd; Huizhou Zhenbao Electric Appliance Manufacturing Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-03-04
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a novel gearbox of a flour machine, which comprises: a drive member; a case assembly; a transmission mechanism; the transmission mechanism comprises a main shaft and a transmission shaft, and the main shaft and the transmission shaft are rotatably arranged on the box body assembly; a stirring assembly; the stirring assembly is connected with the main shaft; the transmission device comprises a driving piece, a transmission shaft, a main shaft, a primary transmission assembly, a secondary transmission assembly, a main gear and a driving piece, wherein the primary transmission assembly is arranged between the driving piece and the transmission shaft, the secondary transmission assembly is arranged between the transmission shaft and the main shaft, the secondary transmission assembly comprises a transmission gear and a main gear, the transmission gear is arranged on the transmission shaft, the main gear is arranged on the main shaft, and the transmission gear is meshed with the main gear. The transmission shaft and the main shaft are in gear transmission, so that the transmission gear and the main gear are meshed with each other, the work is more stable, the structure is more compact, and the transmission efficiency is improved.

Description

Novel gearbox of flour machine

Technical Field

The utility model relates to the technical field of flour mills, in particular to a novel gear box of a flour mill.

Background

With the continuous and high-speed development of economic society, the living standard of people is continuously improved, the diet condition of people is also greatly improved, various food processing electric appliances such as flour mills, wall breaking machines, egg beaters, juice extractors and the like are increasingly moved into kitchens of modern families, and the use of the kitchen electric appliances makes the food processing of people more and more convenient.

The flour mill is a kitchen appliance for kneading flour, and the working principle of the flour mill is that the power of a motor is transmitted to a stirring blade through a two-stage or multi-stage transmission mechanism, and the rotating speed of the motor is reduced so as to mix, crush and stir the flour. In the flour mill before improvement, adopt two-stage belt drive structure to drive stirring vane, each level belt drive all has the function of slowing down, has realized driven purpose.

However, in the flour mill adopting the double belt transmission structure, the transmission from one shaft to the other shaft is not smooth enough, the belt and the belt wheel are easy to slip when the load resistance is large, and the flour is easily polluted due to the poor sealing performance of the belt transmission parts, so that the improvement is needed.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a novel gearbox of a flour mill.

The utility model discloses a novel flour machine gear box, which comprises: a drive member; a case assembly; a transmission mechanism; the transmission mechanism comprises a main shaft and a transmission shaft, and the main shaft and the transmission shaft are rotatably arranged on the box body assembly; a stirring assembly; the stirring assembly is connected with the main shaft; the transmission device comprises a driving piece, a transmission shaft, a main shaft, a primary transmission assembly, a secondary transmission assembly, a main gear and a driving piece, wherein the primary transmission assembly is arranged between the driving piece and the transmission shaft, the secondary transmission assembly is arranged between the transmission shaft and the main shaft, the secondary transmission assembly comprises a transmission gear and a main gear, the transmission gear is arranged on the transmission shaft, the main gear is arranged on the main shaft, and the transmission gear is meshed with the main gear.

Optionally, the stirring assembly comprises a stirring rod and a stirring shaft, the stirring rod is mounted on the main shaft, the stirring shaft is rotatably mounted on the stirring rod, and the stirring shaft is connected with a self-rotation transmission assembly.

Optionally, the rotation transmission assembly comprises a planetary gear and an outer gear ring, the planetary gear is mounted on the stirring shaft, the outer gear ring is mounted on the box assembly, and the planetary gear and the outer gear ring are meshed with each other.

Optionally, the box assembly includes a mounting seat having a cavity structure, and the transmission gear and the main gear are both mounted in the cavity of the mounting seat.

Optionally, the planet gear and the outer ring gear are both mounted within a cavity of the mount.

Optionally, the driving member is an electric motor, the primary transmission assembly includes a primary pulley, a secondary pulley and a synchronous belt, the primary pulley is mounted on an output shaft of the electric motor, the secondary pulley is mounted on the transmission shaft, and the synchronous belt is wound between the primary pulley and the secondary pulley.

Optionally, a cooling device is mounted on the motor.

Optionally, the transmission gear and the main gear are both bevel gears.

Optionally, a rebound mechanism is installed on the stirring shaft, and the rebound mechanism comprises an elastic part, a clamping part and a supporting part, wherein the elastic part is connected with the clamping part and the supporting part respectively.

Optionally, the stirring shaft is provided with a limiting rod, the elastic part is a spring, the clamping part comprises two rigid gaskets, one end of the spring is connected to one of the rigid gaskets, the supporting part comprises two supporting gaskets and a supporting gasket, the supporting gasket is arranged between the two supporting gaskets, and the other end of the spring is connected to one of the supporting gaskets.

The beneficial effect of this application lies in: the motor drives the transmission shaft to rotate through the synchronous belt, and the transmission gear is meshed with the main gear, so that the transmission shaft can drive the main shaft to rotate and further drive the stirring rod to rotate; the stirring shaft on the stirring rod can rotate around the axis of the stirring shaft when revolving around the main shaft and under the matching of the planetary gear and the outer gear ring, so that the stirring blade arranged on the stirring shaft can fulfill the aims of fully stirring and mixing flour; the transmission shaft and the main shaft are in gear transmission, so that the work is more stable, the structure is more compact, and the transmission efficiency is improved;

in addition, the transmission gear, the main gear, the planetary gear and the outer gear ring are all arranged in the cavity of the mounting seat, so that the sealing performance of parts for transmission is improved, the probability of contaminating flour by sundries is reduced, and the transmission lubrication is more convenient and reliable.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;

FIG. 2 is a first schematic diagram illustrating an explosive structure according to an embodiment of the present disclosure;

FIG. 3 is a second schematic diagram of an explosive structure according to an embodiment of the present application;

fig. 4 is a partial structural diagram of a portion a in fig. 2.

Description of reference numerals: 1. a drive member; 11. a cooling device; 111. a heat sink; 112. a heat conducting pipe; 2. a case assembly; 21. a housing; 22. a centering cover plate; 23. an isolation cover plate; 24. a mounting seat; 25. a gear ring cover; 251. a shaft hole; 3. a transmission mechanism; 31. a main shaft; 32. a drive shaft; 33. a primary transmission assembly; 331. a primary pulley; 332. a secondary pulley; 333. a synchronous belt; 34. a secondary drive assembly; 341. a transmission gear; 342. a main gear; 35. a rotation transmission assembly; 351. a planetary gear; 352. an outer ring gear; 4. a stirring assembly; 41. a stirring rod; 42. a stirring shaft; 421. a limiting rod; 43. a rebound mechanism; 431. an elastic member; 432. a clamping member; 433. a support member; 4331. a support pad; 4332. a support washer.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the utility model. That is, in some embodiments of the utility model, such implementation details are not necessary. In addition, for the purpose of simplifying the drawings, certain well-known and conventional structures and components are shown in the drawings in a simplified schematic manner.

It should be noted that all the directional indications such as up, down, left, right, front and rear … … in the embodiment of the present invention are only used to explain the relative positional relationship, movement, etc. between the components in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to order or sequence, and do not limit the present invention, but only distinguish the elements or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings:

referring to fig. 1 and 2, for the novel gearbox of flour mill disclosed in this embodiment of the present application, including driving piece 1, box subassembly 2, drive mechanism 3 and stirring subassembly 4, wherein box subassembly 2 includes housing 21, centering apron 22, keep apart apron 23 and mount pad 24 all install on housing 21 through the screw, mount pad 24 is inside to be the cavity structure and has two relative openings, centering apron 22 lid is established on one opening of mount pad 24, another opening lid of mount pad 24 is equipped with ring gear lid 25, ring gear lid 25 and centering apron 22 all are used for sealing the cavity of mount pad 24.

Referring to fig. 1 and 2, in this embodiment, the driving member 1 is a motor, the motor is installed in the housing 21, an output shaft of the motor is rotatably supported on the isolation cover plate 23 through a bearing, in order to improve the heat dissipation efficiency of the motor, the cooling device 11 is installed on the motor, the cooling device 11 includes a plurality of heat dissipation fins 111, and further includes a heat conduction pipe 112, the plurality of heat dissipation fins 111 are arranged in parallel, the heat dissipation fins 111 are sleeved on the housing of the motor, which is beneficial to improving the heat dissipation area of the motor, the heat conduction pipe 112 is inserted between the heat dissipation fins 111, the heat conduction pipe 112 is filled with a heat conduction medium, which is beneficial to rapidly taking away heat.

Referring to fig. 2 and 3, the transmission mechanism 3 includes a main shaft 31 and a transmission shaft 32, the main shaft 31 and the transmission shaft 32 are rotatably supported on the mounting seat 24 and the centering cover 22 through bearings, a primary transmission assembly 33 is disposed between an output shaft of the motor and the transmission shaft 32, and a secondary transmission assembly 34 is disposed between the main shaft 31 and the transmission shaft 32, wherein the primary transmission assembly 33 includes a main pulley 331, a secondary pulley 332, and a synchronous belt 333, the main pulley 331 is fixedly mounted on the output shaft of the motor, the secondary pulley 332 is fixedly mounted on the transmission shaft 32, the synchronous belt 333 is wound between the main pulley 331 and the secondary pulley 332, and after the driving member 1, i.e., the motor, is started, the transmission shaft 32 is driven to rotate through the synchronous belt 333.

Referring to fig. 3, the secondary transmission assembly 34 includes a transmission gear 341 and a main gear 342, the transmission gear 341 is fixed on the transmission shaft 32, the main gear 342 is fixed on the main shaft 31, and the transmission gear 341 and the main gear 342 are engaged with each other, so that the transmission shaft 32 can rotate to drive the main shaft 31 to rotate; in addition, the transmission gear 341 and the main gear 342 are both arranged in the cavity of the mounting seat 24 close to the centering cover plate 22, so that the sealing performance of parts for transmission is improved, the probability of contaminating flour with impurities is reduced, and the transmission lubrication is more convenient and reliable.

Referring to fig. 1 and 2, the stirring assembly 4 includes a stirring rod 41 and a stirring shaft 42, the stirring rod 41 is in an L-shaped structure, one end of the stirring rod 41 is fixedly installed at an end of the main shaft 31, and the stirring rod 41 is disposed in the cavity of the mounting seat 24, the stirring shaft 42 is rotatably supported at an end of the stirring rod 41 far away from the main shaft 31 through a bearing, an axis of the stirring shaft 42 is parallel to an axis of the main shaft 31 but does not coincide with the axis of the main shaft 31, a shaft hole 251 is formed in the ring gear cover 25, the stirring shaft 42 extends to the outside of the cavity of the mounting seat 24 through the shaft hole 251, the ring gear cover 25 is fixedly connected with the stirring rod 41, and the ring gear cover 25 is rotatably connected with the mounting seat 24, so that the main shaft 31 drives the stirring rod 41 to rotate, the stirring shaft 42 can be driven to revolve around the axis of the main shaft 31, and meanwhile, the ring gear cover 25 can rotate together with the stirring rod 41.

Referring to fig. 2, rotation transmission assembly 35 is disposed between stirring shaft 42 and mounting seat 24, rotation transmission assembly 35 includes planetary gear 351 and outer ring gear 352, planetary gear 351 is fixedly mounted at the end of stirring shaft 42 and disposed in the cavity of mounting seat 24, outer ring gear 352 is fixed in the cavity of mounting seat 24, planetary gear 351 and outer ring gear 352 are meshed with each other, and when stirring shaft 42 revolves around main shaft 31, outer ring gear 352 can drive planetary gear 351 to rotate, so that stirring shaft 42 rotates.

Referring to fig. 2 and 4, a stirring blade (not shown in the figure) is mounted at the end of the stirring shaft 42 outside the mounting seat 24 and is used for stirring flour, and in order to reduce the impact of dough with uneven density on the blade during stirring, a rebound mechanism 43 is mounted on the stirring shaft 42, and the stirring blade is mounted on the stirring shaft 42 through the rebound mechanism 43; rebound mechanism 43 includes elastic component 431, holder 432 and support piece 433, and in this embodiment, elastic component 431 adopts the spring, and holder 432 adopts two rigidity gaskets, and spring and rigidity gasket are all established on (mixing) shaft 42, and the stirring blade is installed between two rigidity gaskets, and in addition, (mixing) shaft 42 is close to the rigidity of tip and is provided with gag lever post 421, and the rigidity gasket is installed in the one side that gag lever post 421 deviates from (mixing) shaft 42 tip.

Referring to fig. 2 and 4, the supporting member 433 is installed on the stirring shaft 42, the supporting member 433 includes two supporting pads 4331 and a supporting washer 4332 having elasticity and sandwiched between the two supporting pads 4331, one of the supporting pads 4331 is in contact with the stirring rod 41, one end of the spring is fixedly connected to the other supporting pad 4331, and the other end of the spring is fixedly connected to a rigid pad, so that the stirring blade can move along the axial direction of the stirring shaft 42 when the flour is stirred, and the spring is used for absorbing impact energy loaded on the stirring blade, thereby providing a protective effect to the stirring blade.

The working principle and the beneficial effect of the application are that the motor drives the transmission shaft 32 to rotate through the synchronous belt 333, and the transmission gear 341 and the main gear 342 are meshed with each other, so that the transmission shaft 32 rotates to drive the main shaft 31 to rotate, and further drive the stirring rod 41 to rotate; the stirring shaft 42 on the stirring rod 41 can rotate around the axis thereof under the matching of the planetary gear 351 and the outer gear ring 352 while revolving around the main shaft 31, so that the stirring blades arranged on the stirring shaft 42 can complete the purposes of fully stirring and mixing flour; the transmission shaft 32 and the main shaft 31 are in gear transmission, so that the work is more stable, the structure is more compact, and the transmission efficiency is improved;

in addition, the transmission gear 341, the main gear 342, the planet gear 351 and the outer gear ring 352 are all arranged in the cavity of the mounting seat 24, so that the sealing performance of parts for transmission is improved, the probability of contaminating flour by sundries is reduced, and the transmission lubrication is more convenient and reliable.

The above is merely an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A novel flour machine gear box is characterized by comprising:

a driver (1);

a case assembly (2);

a transmission mechanism (3); the transmission mechanism (3) comprises a main shaft (31) and a transmission shaft (32), and the main shaft (31) and the transmission shaft (32) are rotatably arranged on the box body assembly (2);

a stirring assembly (4); the stirring component (4) is connected with the main shaft (31);

the transmission device is characterized in that a first-stage transmission assembly (33) is installed between the driving piece (1) and the transmission shaft (32), a second-stage transmission assembly (34) is installed between the transmission shaft (32) and the main shaft (31), the second-stage transmission assembly (34) comprises a transmission gear (341) and a main gear (342), the transmission gear (341) is installed on the transmission shaft (32), the main gear (342) is installed on the main shaft (31), and the transmission gear (341) and the main gear (342) are meshed with each other.

2. The novel gearbox of flour mill according to claim 1, characterized in that the stirring assembly (4) comprises a stirring rod (41) and a stirring shaft (42), the stirring rod (41) is installed on the main shaft (31), the stirring shaft (42) is rotatably installed on the stirring rod (41), and the stirring shaft (42) is connected with a rotation transmission assembly (35).

3. The novel gearbox of flour mill according to claim 2, characterized in that the rotation transmission assembly (35) comprises a planetary gear (351) and an outer ring gear (352), the planetary gear (351) is mounted on the stirring shaft (42), the outer ring gear (352) is mounted on the box assembly (2), and the planetary gear (351) and the outer ring gear (352) are meshed with each other.

4. A novel gearbox for flour mill according to any of claims 1-3, characterized in that the box body assembly (2) comprises a mounting seat (24), the mounting seat (24) has a cavity structure, and the transmission gear (341) and the main gear (342) are both mounted in the cavity of the mounting seat (24).

5. A new flour machine gearbox according to claim 3, characterised in that the planet gears (351) and the outer ring gear (352) are both mounted in a cavity of the mounting seat (24).

6. A novel gearbox of flour mill according to any of claims 1-3, characterized in that the driving member (1) is an electric motor, the primary transmission assembly (33) comprises a primary pulley (331), a secondary pulley (332) and a synchronous belt (333), the primary pulley (331) is mounted on the output shaft of the electric motor, the secondary pulley (332) is mounted on the transmission shaft (32), and the synchronous belt (333) is wound between the primary pulley (331) and the secondary pulley (332).

7. A novel gearbox of flour mill according to claim 6, characterized in that cooling device (11) is mounted on the motor.

8. The gearbox of the novel flour mill according to any one of claims 1-3, characterized in that the transmission gear (341) and the main gear (342) are bevel gears.

9. A novel flour mill gearbox according to claim 2 or 3, characterized in that a rebound mechanism (43) is mounted on the stirring shaft (42), the rebound mechanism (43) comprises an elastic member (431), a clamping member (432) and a supporting member (433), and the elastic member (431) is respectively connected with the clamping member (432) and the supporting member (433).

10. The novel gearbox of flour mill according to claim 9, characterized in that a limiting rod (421) is installed on the stirring shaft (42), the elastic member (431) is a spring, the clamping member (432) comprises two rigid washers, one end of the spring is connected to one of the rigid washers, the supporting member (433) comprises two supporting washers (4331) and a supporting washer (4332), the supporting washer (4332) is installed between the two supporting washers (4331), and the other end of the spring is connected to one of the supporting washers (4331).