TWI706809B - Coaxial two-way mixer - Google Patents

Abstract

The present invention is a coaxial two-way mixer, which includes a accommodating part, a rotating shaft group, a drive assembly connected to the rotating shaft group, a first stirring part and a second stirring part. The accommodating part includes a sleeve arranged inside, The rotating shaft group includes a rotating shaft penetrating a sleeve, a tooth part provided on the rotating shaft, and a planetary gear meshing with the tooth part. The first stirring member and the second stirring member are coaxially arranged on the rotating shaft, and the first stirring member The present invention provides a coaxial two-way mixer, the planetary gear meshes with the ring teeth, so that the rotation speed of the first agitating member is reduced, and the rotating shaft can drive the second agitating member to make the The rotation speed of the two mixing parts will be the same as the rotation speed of the rotating shaft group. The different rotation speeds of the two mixing parts can make the cement mixing effect better, avoid the uneven mixing of the cement at the same rotation speed, and greatly increase the practicality of use. .

Description

Coaxial two-way mixer

The invention relates to a device for mixing cement, especially a coaxial two-way mixer with opposite rotation directions and different rotation speeds.

In the current building construction, a large amount of cement is usually used, and the cement needs to be mixed evenly during the preparation process. Therefore, the cement is usually poured into a cement mixer to facilitate mixing, while the existing cement mixer There are two mixing arms with opposite rotation directions on a rotating shaft group, so that the cement can be stirred in different rotation directions in the mixer, but the rotation speed of the two mixing arms of the existing cement mixer is the same, so the mixing effect is not as expected , After mixing, uneven mixing is more likely to occur, causing sand on the surface after cement construction, resulting in poor construction quality, which not only increases the work time, but also causes delays in the progress of the construction project.

As mentioned above, the rotation speed of the two mixing arms of the existing cement mixer is the same. When mixing cement, the mixing effect is poor, and the problem of uneven mixing of cement is more likely to occur, which easily leads to poor quality of cement after construction; it can be seen that the existing The practicality of the cement mixer needs to be improved.

In order to solve the problem that the rotation speed of the two mixing arms of the existing cement mixer is the same, when mixing the cement, it is easier to cause uneven mixing of the cement, resulting in poor quality of the cement after construction. The invention provides a coaxial two-way mixer whose planetary gear meshes with the ring teeth, so that the rotation speed of the first agitating member is reduced, and the rotating shaft can drive the second agitating member, so that the second agitating member will be with the rotation speed of the rotating shaft group In the same way, the different rotation speeds of the two mixing members can make the cement mixing effect better, avoid the uneven mixing of the cement at the same rotation speed, and greatly increase the practicality of use.

The coaxial two-way mixer proposed by the present invention to solve the technical problem includes: a accommodating member, which includes a tank and a sleeve, the tank includes a tank wall and a tank bottom, the tank wall is arranged around an axis , The sleeve is fixed on the groove along the axis and is surrounded by the groove wall; a rotating shaft group, which includes a rotating shaft, a toothed part and a plurality of planetary gears, the rotating shaft can rotatably penetrate Is provided on the sleeve, the meshing part is arranged on the rotating shaft and the ring is provided with a plurality of teeth, the plurality of planetary gears surround the meshing part, and the plurality of teeth of the meshing part mesh with the plurality of planetary gears; a drive Assembly, which is connected to the rotating shaft group and can drive the rotating shaft to rotate; a first stirring member, which is arranged on the rotating shaft, the first stirring member includes a transmission member, a set of parts, a ring tooth and At least one first stirring arm, the transmission member is cylindrical and includes an inner peripheral surface, at least one protruding portion and a top surface, the at least one protruding portion is provided on the top surface of the transmission member, and the sleeve is It is cylindrical and includes at least one engaging recess and a bottom surface, the at least one engaging recess is provided on the bottom surface of the sleeve, and the at least one engaging recess can be engaged with the at least one protruding part, the ring The tooth part is arranged on the inner circumferential surface of the transmission member, is annular and includes a plurality of teeth, the ring tooth part is sleeved on the plurality of planetary gears, and the teeth of the ring tooth part mesh with the plurality of planetary gears , The plurality of planetary gears can drive the first stirring member, the at least one first stirring arm is disposed on the sleeve and extending toward the tank wall, and each at least one first stirring arm is provided with a first stirring blade, each at least The first agitating blade of a first agitating arm is closer to the bottom of the tank than the plurality of planetary gears; and a second agitating member is arranged on the rotating shaft coaxially with the first agitating member, and the second agitating member The second stirring member is fixed to the rotating shaft and can be driven by the rotating shaft to rotate. The second stirring member includes an engaging member, a casing and at least one second stirring arm. The engaging member is coaxially arranged on the rotating shaft. The shaft is locked with the rotating shaft. The engaging member includes two protrusions and a top surface. The two protrusions are provided on the top surface of the engaging member. The shell is cylindrical and includes two grooves. And a bottom surface, two grooves are provided on the bottom surface of the shell sleeve, the shell sleeve can be sleeved on the engaging member, the two grooves are engaged with the two convex blocks, the at least one second stirring arm faces the Trough wall Extending, each at least one second stirring arm is provided with a second stirring blade, and the second stirring blade of each at least one second stirring arm is closer to the bottom of the tank body than the plurality of planetary gears.

In the coaxial two-way mixer, the rotating shaft includes a key groove adjacent to the end of the rotating shaft away from the accommodating member, the rotating shaft group includes a flat key, the flat key is embedded in the key groove, the The engaging member is annular and includes a groove and an inner ring surface. The groove is arranged on the inner ring surface of the engaging member, and the groove is engaged with the flat key.

In the coaxial two-way mixer, the rotating shaft set includes a planet carrier, the planet carrier is ring-shaped and sleeved on the rotating shaft, the planet carrier is coupled to the sleeve, and each planetary gear includes a spindle, The plurality of spindles of the plurality of planetary gears are rotatably inserted in the planet carrier.

In the coaxial two-way mixer, one end of the sleeve away from the tank is provided with a female thread, the planet carrier is provided with a male thread, and the sleeve and the planet carrier can be provided with the male thread and the female thread Phase screw together.

In the coaxial two-way mixer, the sleeve includes an annular abutment portion and an inner peripheral surface, the annular abutment portion is arranged on the inner peripheral surface of the sleeve, and the rotating shaft group includes a fixed ring, the fixed The ring is sleeved on the rotating shaft, and the fixed ring abuts against the ring abutment part.

In the coaxial two-way mixer, the rotating shaft set includes a ball bearing, the ball bearing is sleeved on the rotating shaft, and the ball bearing and the planet carrier jointly clamp the plurality of planet gears and abut against the Most planetary gears.

In the coaxial bidirectional mixer, the turning radius of at least one second stirring arm is larger than the turning radius of at least one first stirring arm.

The gains in efficacy obtained by the technical means of the present invention are:

1. In the coaxial two-way mixer of the present invention, the planetary gears mesh with the ring teeth, so that the rotation speed of the first agitating member is reduced, and the rotating shaft can drive the second agitating member, so that the second agitating member will rotate with the rotating shaft group. The rotation speed is the same, and the different rotation speeds of the two mixing members can make the cement mixing more uniform, making the mixing effect better, and greatly increasing the practicality of use.

2. In the coaxial two-way mixer of the present invention, if the transmission parts or the engaging parts are worn out, there is no need to replace the whole set of stirring parts, just replace the worn out components. It is not only simple and convenient, but also more economical. Convenience in repair.

10: Holder

11: tank

111: Groove Wall

12: sleeve

121: Ring

20: Rotating shaft group

21: Rotating shaft

211: Keyway

22: flat key

23: Rodent

24: planet carrier

25: Planetary gear

26: fixed ring

27: Ball bearing

30: drive components

31: Motor

40: The first mixing piece

41: Ring tooth

42: Transmission parts

421: Projection

43: Sets

431: engagement recess

44: The first mixing arm

45: The first stirring piece

50: The second mixing piece

51: clip

511: groove

512: bump

52: Shell sleeve

521: groove

53: second stirring arm

54: The second stirring piece

Figure 1 is a perspective view of the appearance of a preferred embodiment of the present invention.

Fig. 2 is an exploded perspective view of the rotating shaft group of the preferred embodiment of the present invention.

Fig. 3 is a three-dimensional cross-sectional exploded view of the stirring member of the preferred embodiment of the present invention.

Fig. 4 is an exploded perspective view of the stirring member of the preferred embodiment of the present invention.

Fig. 5 is a partial perspective view of the stirring member of the preferred embodiment of the present invention.

Fig. 6 is a schematic diagram of the use state of the preferred embodiment of the present invention.

In order to understand the technical features and practical effects of the present invention in detail, and can be implemented in accordance with the content of the present invention, the preferred embodiment shown in the figure is further used, and the detailed description is as follows: as shown in Figure 1, Figure 2 and Figure 6. As shown, the coaxial two-way mixer of the present invention includes a receiving member 10, a rotating shaft group 20, a driving assembly 30, a first stirring member 40, and two second stirring members 50; wherein, the driving assembly 30 is provided in the The outside of the accommodating part 10, the rotating shaft group 20 is arranged inside the accommodating part 10, and the rotating shaft group 20 is connected with the driving assembly 30, the first stirring part 40 and the second stirring part 50 are arranged于此轮轴组20。 At the rotating shaft group 20.

As shown in Figures 1 and 2, the accommodating member 10 includes a groove 11 and a sleeve 12. The groove 11 includes a groove wall 111 and a groove bottom. The groove wall 111 is arranged around an axis. The sleeve 12 is fixed to the groove body 11 along the axis, and the sleeve 12 includes a ring portion 121, a female thread and an inner circumference On the other hand, the abutting portion 121 is ringed on the inner peripheral surface of the sleeve 11, and the female thread is provided on an end of the sleeve 12 away from the groove body 11.

As shown in Figures 2 and 3, the rotating shaft set 20 includes a rotating shaft 21, a flat key 22, a toothing portion 23, a planet carrier 24, a plurality of planetary gears 25, a fixed ring 26 and a ball bearing 27, The rotating shaft 21 rotatably passes through the sleeve 12, the rotating shaft 21 is rod-shaped and includes a key groove 211 and opposite ends, one end of the rotating shaft 21 passes through the groove 11, and the key groove 211 is concave Located on the peripheral surface of the rotating shaft 21 and adjacent to the other end of the rotating shaft 21, the flat key 22 is embedded in the key groove 211, and the toothing portion 23 is provided on the peripheral surface of the rotating shaft 21 and ringed with a plurality of teeth, The planet carrier 24 is ring-shaped, the planet carrier 24 is sleeved on the rotating shaft 21, and the planet carrier 24 is combined with the sleeve 12. The outer peripheral surface of the planet carrier 24 is provided with a male thread, so that the planet carrier 24 and The sleeve 12 is screwed with a male thread and a female thread. Each planetary gear 25 includes a spindle. The spindles of the planetary gears 25 are rotatably inserted into the planet carrier 24. A planetary gear 25 surrounds the meshing portion 23, and the plurality of planetary gears 25 mesh with the teeth of the meshing portion 23, the fixed ring 26 is ring-shaped and sleeved on the rotating shaft 21, and the fixed ring 26 abuts In the ring portion 121, the ball bearing 27 is sleeved on the rotating shaft 21, and the ball bearing 27 and the planet carrier 24 clamp the plurality of planetary gears together and abut against the plurality of planetary gears 24.

As shown in Figures 1 and 6, the drive assembly 30 includes a motor 31. The motor 31 is mounted on a frame, and the motor 31 is connected to one end of the rotating shaft 21 passing through the tank 11, so that the motor 31 can drive the rotating shaft 21 to rotate. As for the connection method of the motor 31 and the rotating shaft group 20, since it belongs to the existing technology and is not the focus of the invention, it will not be repeated.

As shown in Figures 3 and 4, the first stirring member 40 includes a ring tooth 41, a transmission member 42, a set of parts 43, two first stirring arms 44 and two first stirring blades 45. The ring teeth The portion 41 meshes with the plurality of planetary gears 25, so that the plurality of planetary gears 25 drive the first stirring member 40. The ring tooth portion 41 is annular and includes a plurality of teeth. The ring tooth portion 41 is sleeved On the plurality of planetary gears 25, and the teeth of the ring tooth portion 14 mesh with the plurality of planetary gears 25, the ring tooth portion 41 can also be provided on the sleeve 43, In this preferred embodiment, the ring tooth portion 41 is provided on the transmission member 42, the transmission member 42 is sleeved on the rotating shaft 21, the transmission member 42 is cylindrical and includes an inner peripheral surface, a bottom surface and a On the top surface, the ring tooth portion 41 is provided on the inner peripheral surface of the transmission member 42. The bottom surface of the transmission member 42 abuts against the ball bearing 27. The top surface of the transmission member 42 is provided with three protrusions 421. The part 421 is circumferentially arranged at equal angles. The sleeve 43 is cylindrical and sleeved on the transmission part 42. The sleeve 43 includes three engaging recesses 431, a bottom surface and an outer peripheral surface. The three engaging recesses 431 Are arranged on the bottom surface of the sleeve 43 and equiangularly surround, and the three engaging recesses 431 are engaged with the three protruding portions 422, and the two first stirring arms 44 are oppositely provided on the sleeve 43 , Each first stirring arm 44 includes opposite ends, one end of each first stirring arm 44 is fixed on the outer peripheral surface of the sleeve 43, and the other end of each first stirring arm 44 is curved and extends toward the groove wall 111 , Each first stirring blade 45 is provided at the other end of each first stirring arm 44, and the distance between the two first stirring blades 45 and the bottom of the tank 11 is smaller than the distance between the plurality of planetary gears 25 and the tank 11 The distance between the bottom of the tank is that the two first stirring blades 45 are closer to the bottom of the tank 11 than the plurality of planetary gears 25.

As shown in Figures 4 and 5, the second stirring member 50 includes an engaging member 51, a shell 52, two second stirring arms 53, and two second stirring blades 54. The engaging member 51 is ring-shaped. The engaging element 51 is sleeved on the rotating shaft 21, and the engaging element 51 is pressed against the sleeve 43. The engaging element 51 includes a groove 511, two protrusions 512, an inner ring surface and a top. The groove 511 is provided on the inner ring surface of the engaging member 51, and the groove 511 is engaged with the flat key 22 so that the rotating shaft 21 can drive the engaging member 51, and the two protrusions 512 are provided On the top surface of the engaging member 51, two protrusions 512 are symmetrically arranged, the shell 52 is sleeved on the engaging member 51, the shell 52 is cylindrical and includes two grooves 521, a bottom surface and On an outer peripheral surface, two grooves 521 are provided on the bottom surface of the shell 52, and the two grooves 521 are engaged with the two protrusions 512, so that the engaging member 51 can drive the shell 52, and the second The stirring arms 53 are relatively fixed on the outer peripheral surface of the shell 52, one end of each second stirring arm 53 is fixed on the outer peripheral surface of the shell 52, and the other end of each second stirring arm 53 is bent toward the groove wall 111 Extending, each second stirring blade 54 is provided at the other end of each second stirring arm 53, and the distance between the two second stirring blades 54 and the bottom of the tank body 11 is smaller than the plurality of planetary gears 25 and the tank body 11 The distance between the bottom of the groove The two second agitating blades 54 are closer to the bottom of the tank 11 than the plurality of planetary gears 25, and the turning radius of the two second agitating arms 53 is larger than that of the two first agitating arms 44. The present invention relates to the The number of one stirring arm 44 and the second stirring arm 53 is not limited.

The above is only a preferred embodiment of the present invention. The engaging member 51 can also be tightly sleeved on the rotating shaft 21 so that the engaging member 51 cannot rotate relative to the rotating shaft 21, and the rotating shaft 21 can Driving the engaging member 51 is also within the scope of the patent of the present invention.

As shown in FIG. 6, the present invention can place cement that has not yet been mixed in the tank 11. When the motor 32 drives the rotating shaft 21 to rotate, the tooth 23 of the rotating shaft set 20 will drive the planetary gear 24. And the planetary gear 24 meshes with the ring gear 41 of the first stirring member 40, so the rotation direction of the first stirring member 40 can be opposite to the rotation direction of the rotating shaft 21, and the effect of speed reduction is achieved. Since the groove 511 of the engaging member 51 is engaged with the flat key 22 of the rotating shaft group 20, the rotation direction and the rotation speed of the second stirring member 50 will be the same as the rotation direction and the rotation speed of the rotating shaft 21 Similarly, the direction and speed of rotation of the first stirring member 40 and the second stirring member 50 are different, so that the two first stirring arms 43 and the two second stirring arms 53 can stir the cement more uniformly, greatly Increase the practicality of use.

10: Holder

11: tank

111: Groove Wall

12: sleeve

40: The first mixing piece

43: Sets

44: The first mixing arm

45: The first stirring piece

50: The second mixing piece

52: Shell sleeve

53: second stirring arm

54: The second stirring piece

Claims (7)

A coaxial two-way mixer includes: a accommodating member, which includes a tank and a sleeve, the tank includes a groove wall and a groove bottom, the groove wall is arranged around an axis, and the sleeve is along the The shaft is fixed in the groove body and surrounded by the groove wall; a rotating shaft group, which includes a rotating shaft, a toothed part and a plurality of planetary gears, the rotating shaft rotatably penetrates the sleeve, the The meshing part is arranged on the rotating shaft and the ring is provided with a plurality of teeth, the plurality of planetary gears surround the meshing part, and the plurality of teeth of the meshing part mesh with the plurality of planetary gears; a drive assembly is connected with the rotating shaft The group is connected and can drive the rotating shaft to rotate; a first stirring member is arranged on the rotating shaft, the first stirring member includes a transmission member, a set of parts, a ring tooth part and at least one first stirring arm, The transmission part is cylindrical and includes an inner peripheral surface, at least one protruding part and a top surface. The at least one protruding part is provided on the top surface of the transmission part. The sleeve is cylindrical and includes at least one The engaging recess and a bottom surface, the at least one engaging recess is provided on the bottom surface of the sleeve, and the at least one engaging recess can be engaged with the at least one protruding portion, and the ring tooth portion is provided on the transmission member The inner peripheral surface of the ring is ring-shaped and includes a plurality of teeth, the ring tooth part is sleeved on the plurality of planetary gears, and the teeth of the ring tooth part mesh with the plurality of planetary gears, and the plurality of planetary gears can Drive the first stirring member, the at least one first stirring arm is arranged on the sleeve and extending toward the tank wall, each at least one first stirring arm is provided with a first stirring blade, and each of the at least one first stirring arm An agitating blade is closer to the bottom of the tank than the plurality of planetary gears; and a second agitating member is provided on the rotating shaft coaxially with the first agitating member, and the second agitating member is fixed to the rotating shaft The second agitating member includes an engaging member, a shell and at least one second agitating arm. The engaging member is coaxially arranged on the rotating shaft and is aligned with the rotating shaft. The latch, the latch includes two protrusions and a top surface, the two protrusions are provided on the top surface of the latch, The shell sleeve is cylindrical and includes two grooves and a bottom surface. The two grooves are arranged on the bottom surface of the shell sleeve. The shell sleeve can be sleeved on the engaging member. The two grooves are opposite to the two protrusions. The at least one second stirring arm extends toward the tank wall, each at least one second stirring arm is provided with a second stirring blade, and the second stirring blade of each at least one second stirring arm is closer to the planetary gear than the plurality of planetary gears. The bottom of the tank. The coaxial two-way mixer according to claim 1, wherein the rotating shaft includes a keyway adjacent to the end of the rotating shaft away from the receiving member, and the rotating shaft group includes a flat key embedded in The key groove, the engaging member is annular and includes a groove and an inner ring surface, the groove is arranged on the inner ring surface of the engaging member, and the groove is engaged with the flat key. The coaxial two-way mixer according to claim 1 to 2, wherein the rotating shaft set includes a planet carrier, the planet carrier is ring-shaped and sleeved on the rotating shaft, the planet carrier is coupled to the sleeve, and each planet The gear includes a spindle, and the plural spindles of the plural planetary gears are rotatably inserted into the planet carrier. The coaxial bidirectional mixer according to claim 3, wherein the sleeve is provided with a female thread at one end away from the tank body, the planet carrier is provided with a male thread, and the sleeve and the planet carrier can be provided with the male thread And the female thread is screwed together. The coaxial two-way mixer according to claim 4, wherein the sleeve includes an annular abutment portion and an inner peripheral surface, the annular abutment portion is arranged on the inner peripheral surface of the sleeve, and the rotating shaft set includes a fixed The fixed ring is sleeved on the rotating shaft, and the fixed ring abuts against the ring abutment part. The coaxial two-way mixer according to claim 5, wherein the rotating shaft set includes a ball bearing, the ball bearing is sleeved on the rotating shaft, and the ball bearing and the planet carrier jointly clamp the plurality of planetary gears and Abut against the plurality of planetary gears. The coaxial bidirectional mixer according to claim 6, wherein the radius of rotation of the at least one second agitating arm is greater than the radius of rotation of the at least one first agitating arm.

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