Building material stirrer

Abstract

The utility model discloses a building material stirrer, which belongs to the technical field of stirrers and comprises a shell, a first stirring cavity and a second stirring cavity are arranged in the shell, and a channel capable of selectively communicating the first stirring cavity with the second stirring cavity is further arranged in the shell. The first stirring assembly is rotatably arranged in the first stirring cavity; the second stirring assembly is rotatably arranged in the second stirring cavity; the driving assembly is connected with the shell, and the driving assembly moves in the height direction to selectively drive the first stirring assembly and / or the second stirring assembly to rotate. According to the stirring machine designed by the utility model, a worker can selectively drive the first stirring assembly and / or the second stirring assembly according to actual conditions, so that the first stirring assembly and the second stirring assembly are prevented from continuously rotating when the stirring machine works, the working load of the stirring machine is reduced, and the service life of the stirring machine is prolonged; meanwhile, the energy consumption of the stirrer can be reduced, so that the use cost of the stirrer is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of mixers, and particularly relates to a mixer for building materials. Background Art

[0002] In the related art, a mortar mixer can fully mix raw materials such as dry-mixed mortar, cement, sand, and water to form uniform mortar. The mortar mixer has a single-layer stirring structure and a double-layer stirring structure. In the prior art, the stirring components of the mortar mixer with a double-layer stirring structure include a connecting rod, a first stirring rod, and a second stirring rod. The connecting rod is connected to the output shaft of the driving motor. The first stirring rod is connected to the connecting rod and is located in the first stirring cavity. The second stirring rod is connected to the connecting rod and is located in the second stirring cavity. When the mixer works, the first stirring rod and the second stirring rod rotate or stop simultaneously, resulting in a large working load on the driving motor and a large power consumption of the mixer. Summary of the Utility Model

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. For this reason, an object of the utility model is to provide a mixer for building materials. The mixer for building materials designed according to the utility model enables the staff to selectively drive the first stirring component and / or the second stirring component according to the actual situation, avoids the continuous rotation of the first stirring component and the second stirring component when the mixer works, reduces the working load of the mixer, prolongs the service life of the mixer, and can reduce the energy consumption of the mixer, thereby reducing the use cost of the mixer.

[0004] To achieve the above object, the utility model provides the following technical solutions:

[0005] The utility model provides a mixer for building materials, comprising: a housing, in which a first stirring cavity and a second stirring cavity are arranged to be isolated from each other in the height direction, and a channel is further arranged in the housing to selectively communicate the first stirring cavity with the second stirring cavity; a first stirring component rotatably arranged in the first stirring cavity; a second stirring component rotatably arranged in the second stirring cavity; and a driving component connected to the housing, the driving component moving in the height direction to selectively drive the first stirring component and / or the second stirring component to rotate.

[0006] According to the building material mixer of the present utility model, its driving component moves in the height direction to selectively link with the first stirring component and / or the second stirring component, so as to realize that the driving component can selectively drive the first stirring component and / or the second stirring component to rotate, enabling the staff to selectively drive the first stirring component and / or the second stirring component according to the actual situation, avoiding the continuous rotation of the first stirring component and the second stirring component when the mixer is working, reducing the working load of the mixer, prolonging the service life of the mixer, and at the same time, reducing the energy consumption of the mixer through the above settings, thereby reducing the use cost of the mixer.

[0007] Further, the first stirring component includes: a first connecting pipe; a plurality of first stirring rods, and the first stirring rods are configured in plurality, and the plurality of first stirring rods are respectively connected to the first connecting pipe; the second stirring component includes: a second connecting pipe, at least a part of the second connecting pipe is disposed inside the first connecting pipe; a plurality of second stirring rods, and the second stirring rods are configured in plurality, and the plurality of second stirring rods are respectively connected to the second connecting pipe; wherein the driving component moves to selectively link with the first connecting pipe and / or the second connecting pipe.

[0008] Further, the driving component has a rotatable driving block, a first abutting block is disposed on the inner wall of the first connecting pipe, a second abutting block is disposed on the inner wall of the second connecting pipe, and the driving block can selectively abut against the first abutting block and / or the second abutting block in the circumferential direction.

[0009] Further, an annular first sliding groove is disposed on the inner peripheral wall of the first stirring cavity, and an annular second sliding groove is disposed on the inner peripheral wall of the second stirring cavity; wherein the first stirring component further includes: a first connecting bracket, the first connecting bracket is connected to the first connecting pipe, and at least a part of the first connecting bracket is movably received in the first sliding groove; the second stirring component further includes: a second connecting bracket, the second connecting bracket is connected to the second connecting pipe, and at least a part of the second connecting bracket is movably received in the second sliding groove.

[0010] Further, an annular third sliding groove is disposed on the inner peripheral wall of the first connecting pipe, a limiting block is disposed on the outer peripheral wall of the second connecting pipe, and the limiting block is movably received in the third sliding groove.

[0011] Further, the driving component includes: a first driving member, the first driving member has a rotatable first output shaft, and the first output shaft can selectively link with the first stirring component and / or the second stirring component; a second driving member, the second driving member is connected to the housing, the second driving member has a second output shaft that can move in the height direction, and the second output shaft is connected to the first driving member.

[0012] Furthermore, it further includes: support feet, which are configured as a plurality of feet connected to the housing; a mounting plate, which is movably connected to the plurality of support feet, and a first driving member is arranged on the mounting plate; wherein the second output shaft is connected to the mounting plate, and the second output shaft is adapted to drive the mounting plate to move in the height direction.

[0013] Furthermore, the housing is provided with a feed inlet and a discharge outlet, the feed inlet is communicated with the first stirring cavity, and the discharge outlet is communicated with the second stirring cavity.

[0014] Other advantages, objectives and features of the present utility model will be described in the subsequent description, and to some extent will be obvious to those skilled in the art, or those skilled in the art can be taught from the practice of the present utility model. The objectives and other advantages of the present utility model can be realized and obtained through the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to make the objectives, technical solutions and beneficial effects of the present utility model clearer, the following drawings are provided for the description of the present utility model:

[0016] Figure 1 It is a cross-sectional view of the mixer of the present utility model;

[0017] Figure 2 It is Figure 1 an enlarged view of the circled A in

[0018] Figure 3 It is a schematic diagram of the cooperation between the first driving member and the second driving member of the present utility model.

[0019] The reference signs in the drawings are as follows:

[0020] 1, mixer;

[0021] 10, housing; 11, first stirring cavity; 12, second stirring cavity; 13, channel;

[0022] 20, first stirring assembly; 21, first connecting pipe; 211, first stop block; 22, first stirring rod;

[0023] 30, second stirring assembly; 31, second connecting pipe; 311, second stop block; 312, limiting block; 32, second stirring rod;

[0024] 40, driving assembly; 41, first driving member; 411, first output shaft; 4111, driving block; 42, second driving member;

[0025] 50, first connecting bracket; 51, first connecting ring; 52, first connecting rod;

[0026] 60. Second connection bracket; 61. Second connection ring; 62. Second connecting rod

[0027] 71. Foot; 72. Mounting plate

[0028] 81. First sealing plate; 82. Second sealing plate Detailed implementation mode

[0029] In order to make the purpose, technical solution and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below in conjunction with the embodiments and the drawings. The illustrative embodiments and descriptions of the present utility model are only used to explain the present utility model and do not limit the present utility model

[0030] In the following description, a large number of specific details are set forth in order to provide a thorough understanding of the present utility model. However, it is obvious to those of ordinary skill in the art that: it is not necessary to adopt these specific details to implement the present utility model. In other instances, well-known structures, circuits, materials or methods are not specifically described in order to avoid obscuring the present utility model

[0031] Throughout the specification, the mention of "an embodiment", "embodiment", "an example" or "example" means that the specific features, structures or characteristics described in connection with that embodiment or example are included in at least one embodiment of the present utility model. Therefore, the phrases "an embodiment", "embodiment", "an example" or "example" appearing throughout the specification do not necessarily all refer to the same embodiment or example. In addition, the specific features, structures or characteristics can be combined in any appropriate combination and / or sub-combination in one or more embodiments or examples. In addition, those of ordinary skill in the art should understand that the drawings provided herein are for illustrative purposes only and are not necessarily drawn to scale. The term "and / or" used herein includes any and all combinations of one or more of the related listed items

[0032] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "front", "rear", "left", "right", "upper", "lower", "vertical", "horizontal", "high", "low", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the protection scope of the present utility model

[0033] Embodiment 1:

[0034] As Figures 1-3As shown, the present utility model provides a building material mixer 1, including: a housing 10, a first stirring assembly 20, a second stirring assembly 30, and a driving assembly 40. A first stirring chamber 11 and a second stirring chamber 12 that are isolated from each other in the height direction are provided inside the housing 10. A channel 13 that can selectively communicate the first stirring chamber 11 and the second stirring chamber 12 is also provided inside the housing 10. The first stirring assembly 20 is rotatably arranged inside the first stirring chamber 11, the second stirring assembly 30 is rotatably arranged inside the second stirring chamber 12, the driving assembly 40 is connected to the housing 10, and the driving assembly 40 moves in the height direction to selectively drive the first stirring assembly 20 and / or the second stirring assembly 30 to rotate.

[0035] In some embodiments, a first stirring chamber 11 and a second stirring chamber 12 are provided inside the housing 10. The first stirring chamber 11 is located above the second stirring chamber 12, and the first stirring chamber 11 and the second stirring chamber 12 are arranged to be isolated from each other. The housing 10 is provided with a channel 13 that can selectively communicate the first stirring chamber 11 and the second stirring chamber 12. The first stirring assembly 20 is rotatably arranged inside the first stirring chamber 11, the second stirring assembly 30 is rotatably arranged inside the second stirring chamber 12, the driving assembly 40 is movably connected to the housing 10, and the driving assembly 40 moves relative to the housing 10 in the height direction to selectively link with the first stirring assembly 20 and / or the second stirring assembly 30. Thus, when the driving assembly 40 operates, it can selectively cause the first stirring assembly 20 and / or the second stirring assembly 30 to rotate.

[0036] It can be understood that building materials, such as mortar, etc., can first enter the first stirring chamber 11. At this time, the first stirring assembly 20 rotates to stir the mortar inside the first stirring chamber 11, so as to initially mix the mortar. Subsequently, the initially mixed mortar enters the second stirring chamber 12 through the channel 13, and then the second stirring assembly 30 rotates immediately to stir the mortar inside the second stirring chamber 12 again, so as to further mix the mortar. It is worth mentioning that since the diameter of the channel 13 is smaller than the diameter of the first stirring chamber 11, thus, the initially mixed mortar can be further mixed when passing through the channel 13, thereby improving the mixing uniformity of the mortar.

[0037] It should be noted that the first stirring assembly 20 and the second stirring assembly 30 of the mixer 1 of the present application can be independently controlled to rotate at the start and end of the stirring operation. That is, at the start of the stirring operation, since there is no mortar in the second stirring chamber 12, the driving assembly 40 only needs to drive the first stirring assembly 20 to rotate, so as to stir the mortar in the first stirring chamber 11; when there is mortar in the second stirring chamber 12, the driving assembly 40 drives the first stirring assembly 20 and the second stirring assembly 30 to rotate simultaneously, so as to stir the mortar in the first stirring chamber 11 and the second stirring chamber 12 at the same time; when the stirring operation is about to end, that is, when there is no mortar in the first stirring chamber 11, the driving assembly 40 only needs to drive the second stirring assembly 30 to rotate, so as to stir the mortar in the second stirring chamber 12.

[0038] It should be noted that since the mortar is preliminarily mixed in the first stirring chamber 11 and the mortar is remixed in the second stirring chamber 12, when the first stirring assembly 20 and the second stirring assembly 30 rotate simultaneously, the channel 13 is adapted to isolate the first stirring chamber 11 and the second stirring chamber 12, so as to prevent the mortar in the first stirring chamber 11 from entering the second stirring chamber 12, and improve the mixing uniformity of the mortar.

[0039] Therefore, through the above settings, it is possible to prevent the first stirring assembly 20 and the second stirring assembly 30 from continuously rotating when stirring the mortar, reduce the working load of the mixer 1, thereby prolong the service life of the mixer 1, and at the same time, it can also save energy and reduce the use cost of the mixer 1.

[0040] According to the building material mixer 1 of the present invention, the driving assembly 40 moves in the height direction to be selectively linked with the first stirring assembly 20 and / or the second stirring assembly 30, so as to realize that the driving assembly 40 can selectively drive the first stirring assembly 20 and / or the second stirring assembly 30 to rotate, enabling the staff to selectively drive the first stirring assembly 20 and / or the second stirring assembly 30 according to the actual situation, preventing the first stirring assembly 20 and the second stirring assembly 30 from continuously rotating when the mixer 1 is working, reducing the working load of the mixer 1, prolonging the service life of the mixer 1, and at the same time, through the above settings, it is also possible to reduce the energy consumption of the mixer 1, thereby reducing the use cost of the mixer 1.

[0041] Embodiment 2:

[0042] Based on the first embodiment, the first stirring assembly 20 includes: a first connecting pipe 21 and a first stirring rod 22. The first stirring rod 22 is configured in multiple numbers, and the multiple first stirring rods 22 are respectively connected to the first connecting pipe 21; the second stirring assembly 30 includes: a second connecting pipe 31 and a second stirring rod 32. At least a part of the second connecting pipe 31 is disposed inside the first connecting pipe 21. The second stirring rod 32 is configured in multiple numbers, and the multiple second stirring rods 32 are respectively connected to the second connecting pipe 31; wherein the driving assembly 40 moves to selectively link with the first connecting pipe 21 and / or the second connecting pipe 31.

[0043] It can be understood that the first stirring assembly 20 is composed of the first connecting pipe 21 and multiple first stirring rods 22. The multiple first stirring rods 22 are respectively connected to the first connecting pipe 21. When the driving assembly 40 is linked with the first connecting pipe 21, the driving assembly 40 can drive all the first stirring rods 22 to rotate together, so as to realize the stirring of the mortar in the first stirring chamber 11; the second stirring assembly 30 includes a second connecting pipe 31 and multiple second stirring rods 32. The multiple second stirring rods 32 are respectively connected to the second connecting pipe 31. When the driving assembly 40 is linked with the second connecting pipe 31, the driving assembly 40 can drive all the second stirring rods 32 to rotate together, so as to realize the stirring of the mortar in the second stirring chamber 12.

[0044] It should be noted that a part of the second connecting pipe 31 is designed to be disposed inside the first connecting pipe 21 (one end of the second connecting pipe 31 is connected to the multiple second stirring rods 32, and the other end of the second connecting pipe 31 passes through the channel 13 and is located inside the first connecting pipe 21). This design allows the second connecting pipe 31 to rotate independently inside the first connecting pipe 21.

[0045] The driving assembly 40 can selectively drive the first connecting pipe 21 (i.e., the first stirring assembly 20) or the second connecting pipe 31 (i.e., the second stirring assembly 30) according to the operation requirements, or even drive both at the same time. This enables the staff to freely adjust the stirring mode according to the actual stirring requirements, reduces the working load of the mixer 1, and extends the service life of the mixer 1.

[0046] It is worth mentioning that the design that a part of the second connecting pipe 31 is disposed inside the first connecting pipe 21 makes full use of the internal space of the mixer 1, increases the available space of the first stirring chamber 11, thereby increasing the amount of mortar that can be stirred, improving the stirring efficiency of the mortar. At the same time, the above settings also facilitate the maintenance and cleaning of the mixer 1.

[0047] According to some embodiments of the present utility model, the driving assembly 40 has a rotatable driving block 4111. A first abutting block 211 is provided on the inner wall of the first connecting pipe 21, and a second abutting block 311 is provided on the inner wall of the second connecting pipe 31. The driving block 4111 can selectively abut against the first abutting block 211 and / or the second abutting block 311 in the circumferential direction.

[0048] In some embodiments, the driving assembly 40 moves in the height direction to cause the driving block 4111 to move in the height direction. Thus, the driving block 4111 moves in the height direction to selectively overlap with the projection of the first abutting block 211 in the radial direction, and / or the driving block 4111 moves in the height direction to selectively overlap with the projection of the second abutting block 311 in the radial direction, so as to realize the circumferential abutment between the driving block 4111 and the first abutting block 211, and / or realize the circumferential abutment between the driving block 4111 and the second abutting block 311.

[0049] It can be understood that when the driving block 4111 abuts against the first abutting block 211 in the circumferential direction, the rotational force of the driving block 4111 will be directly transmitted to the first connecting pipe 21, and then drive the first stirring assembly 20 to rotate, realizing the stirring of the mortar in the first stirring chamber 11; similarly, when the driving block 4111 abuts against the second abutting block 311 in the circumferential direction, the rotational force of the driving block 4111 will be transmitted to the second connecting pipe 31, driving the second stirring assembly 30 to rotate, realizing the stirring of the mortar in the second stirring chamber 12; of course, when the driving block 4111 abuts against the first abutting block 211 and the second abutting block 311 respectively in the circumferential direction, the rotational force of the driving block 4111 will be transmitted to the first connecting pipe 21 and the second connecting pipe 31, thereby driving the first stirring assembly 20 and the second stirring assembly 30 to rotate simultaneously, and then realizing the simultaneous stirring of the mortar in the first stirring chamber 11 and the second stirring chamber 12.

[0050] Embodiment Three:

[0051] On the basis of Embodiment Two, an annular first sliding groove is provided on the inner peripheral wall of the first stirring chamber 11, and an annular second sliding groove is provided on the inner peripheral wall of the second stirring chamber 12; wherein the first stirring assembly 20 further includes: a first connecting bracket 50, the first connecting bracket 50 is connected to the first connecting pipe 21, and at least part of the first connecting bracket 50 is movably received in the first sliding groove; the second stirring assembly 30 further includes: a second connecting bracket 60, the second connecting bracket 60 is connected to the second connecting pipe 31, and at least part of the second connecting bracket 60 is movably received in the second sliding groove.

[0052] In some embodiments, the first connecting bracket 50 includes: a first connecting ring 51 and a plurality of first connecting rods 52. The plurality of first connecting rods 52 extend radially respectively. The inner peripheral wall of the first connecting ring 51 is connected to the outer peripheral wall of the first connecting pipe 21 through the plurality of first connecting rods 52, and the first connecting ring 51 is movably received in the first chute; the second connecting bracket 60 includes: a second connecting ring 61 and a plurality of second connecting rods 62. The plurality of second connecting rods 62 extend radially respectively. The inner peripheral wall of the second connecting ring 61 is connected to the outer peripheral wall of the second connecting pipe 31 through the plurality of second connecting rods 62, and the second connecting ring 61 is movably received in the second chute.

[0053] Thus, the inner peripheral wall of the first chute can restrict at least part of the outer peripheral wall of the first connecting ring 51, so that the first connecting ring 51 can stably move along the extending direction of the first chute, and further the first connecting pipe 21 can stably rotate relative to the housing 10; similarly, the inner peripheral wall of the second chute can restrict at least part of the outer peripheral wall of the second connecting ring 61, so that the second connecting ring 61 can stably move along the extending direction of the second chute, and further the second connecting pipe 31 can stably rotate relative to the housing 10. That is, through the above settings, the rotational stability of the first stirring assembly 20 and the second stirring assembly 30 can be better, so that the working stability of the mixer 1 is better.

[0054] According to some embodiments of the present invention, an annular third chute is provided on the inner peripheral wall of the first connecting pipe 21, and a limiting block 312 is provided on the outer peripheral wall of the second connecting pipe 31. The limiting block 312 is movably received in the third chute. It can be understood that the inner peripheral wall of the third chute can restrict the outer peripheral wall of the limiting block 312, so that the limiting block 312 can stably move along the extending direction of the third chute, and further the second connecting pipe 31 can stably rotate relative to the first connecting pipe 21.

[0055] Embodiment Four:

[0056] Based on Embodiment One, in this embodiment, the driving assembly 40 includes: a first driving member 41 and a second driving member 42. The first driving member 41 has a rotatable first output shaft 411. The first output shaft 411 is selectively linked with the first stirring assembly 20 and / or the second stirring assembly 30. The second driving member 42 is connected to the housing 10. The second driving member 42 has a second output shaft that can move in the height direction, and the second output shaft is connected to the first driving member 41.

[0057] In some embodiments, the first driving member 41 can be configured as a rotating motor, a rotating cylinder, etc., as long as the first output shaft 411 can rotate relative to the first driving member 41, and there is no limitation here. The second driving member 42 can be configured as a telescopic motor, a telescopic cylinder, a telescopic hydraulic cylinder, etc., as long as the second output shaft can move relative to the second driving member 42, and there is no limitation here.

[0058] Thus, when the second driving member 42 works, the second output end can reciprocate in the height direction. The movement of the second output end can drive the first driving member 41 to reciprocate in the height direction, so that the first output end can be selectively linked with the first stirring assembly 20 and / or the second stirring assembly 30. Subsequently, the first driving member 41 works to drive the first stirring assembly 20 and / or the second stirring assembly 30 to rotate.

[0059] According to some embodiments of the present invention, the mixer 1 further includes: support feet 71 and a mounting plate 72. The support feet 71 are configured as multiple ones connected to the housing 10. The mounting plate 72 is movably connected to the multiple support feet 71, and the first driving member 41 is arranged on the mounting plate 72; wherein the second output shaft is connected to the mounting plate 72, and the second output shaft is adapted to drive the mounting plate 72 to move in the height direction.

[0060] In some embodiments, multiple support feet 71 are arranged at the top of the housing 10. The mounting plate 72 is provided with moving holes corresponding to the multiple support feet 71 one by one. The mounting plate 72 is movably connected to the multiple support feet 71 through the multiple moving holes. When the second driving member 42 works, the second output end can move, and the movement of the second output end drives the mounting plate 72 to move in the height direction. It is worth noting that the outer peripheral walls of the multiple support feet 71 respectively limit the inner peripheral walls of the multiple moving holes, so that the mounting plate 72 can stably move in the height direction, and further the first driving member 41 can stably move in the height direction.

[0061] Embodiment Five:

[0062] Based on Embodiment One, in this embodiment, the housing 10 is provided with a feed inlet and a discharge outlet. The feed inlet is communicated with the first stirring chamber 11, and the discharge outlet is communicated with the second stirring chamber 12. It can be understood that the mortar can enter the first stirring chamber 11 through the feed inlet, and after being initially mixed in the first stirring chamber 11, the mortar enters the second stirring chamber 12 through the channel 13. The second stirring chamber 12 can further stir the mortar, and after the mortar is stirred, it can be discharged through the discharge outlet. It is worth mentioning that a valve is arranged at the discharge outlet, and the valve can selectively control the opening or closing of the discharge outlet.

[0063] In some embodiments, there is an active space provided between the first stirring chamber 11 and the second stirring chamber 12 in the housing 10. The channel 13 is located at the geometric center of the active space and penetrates the active space in the height direction. The mixer 1 further includes a first sealing plate 81 and a second sealing plate 82. The first sealing plate 81 and the second sealing plate 82 are respectively movably disposed in the active space, and the first sealing plate 81 and the second sealing plate 82 are respectively located on both sides of the channel 13 in the radial direction. A first arc-shaped hole is provided on the side of the first sealing plate 81 facing the second sealing plate 82, and a second arc-shaped hole is provided on the side of the second sealing plate 82 facing the first sealing plate 81. The first arc-shaped hole and the second arc-shaped hole cooperate to form a mounting through-hole. The mounting through-hole is adapted for the second connecting pipe 31 to pass through, and the distance between the inner peripheral wall of the mounting through-hole and the outer peripheral wall of the second connecting pipe 31 is between 0.5 mm and 2 mm. Thus, through the above arrangement, it can be ensured that the second connecting pipe 31 can rotate smoothly relative to the mounting through-hole, and at the same time, it can be ensured that the first sealing plate 81 and the second sealing plate 82 cooperate to isolate the first stirring chamber 11 and the second stirring chamber 12.

[0064] Finally, it should be noted that the above preferred embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Although the present invention has been described in detail through the above preferred embodiments, those skilled in the art should understand that various changes can be made in terms of form and details without departing from the scope defined by the claims of the present invention.

Claims

1. A building material mixer, characterized in that: include: A shell (10), wherein a first stirring chamber (11) and a second stirring chamber (12) which are isolated from each other in a height direction are arranged in the shell (10), and a channel (13) which can selectively connect the first stirring chamber (11) with the second stirring chamber (12) is also arranged in the shell (10); A first stirring component (20), the first stirring component (20) being rotatably disposed in the first stirring chamber (11); a second stirring component (30), the second stirring component (30) being rotatably disposed in the second stirring chamber (12); A driving assembly (40) is connected to the housing (10), and the driving assembly (40) moves in a height direction to selectively drive the first stirring assembly (20) and / or the second stirring assembly (30) to rotate.

2. The building material mixer according to claim 1, characterized in that: The first stirring component (20) comprises: A first connecting pipe (21); a first stirring rod (22), wherein the first stirring rod (22) is configured as a plurality of first stirring rods (22), and the plurality of first stirring rods (22) are respectively connected to the first connecting pipe (21); The second stirring assembly (30) comprises: a second connecting pipe (31), at least a portion of which is inserted into the first connecting pipe (21); A second stirring rod (32), wherein the second stirring rod (32) is structured as a plurality of the second stirring rods (32), and the plurality of the second stirring rods (32) are respectively connected to the second connecting pipe (31); wherein The driving assembly (40) moves to selectively link with the first connecting pipe (21) and / or the second connecting pipe (31).

3. The building material mixer according to claim 2, characterized in that: The driving assembly (40) comprises a rotatable driving block (4111), the inner wall of the first connecting tube (21) is provided with a first stop block (211), the inner wall of the second connecting tube (31) is provided with a second stop block (311), and the driving block (4111) can selectively stop with the first stop block (211) and / or the second stop block (311) in the circumferential direction.

4. The building material mixer according to claim 3, characterized in that: The inner circumferential wall of the first stirring chamber (11) is provided with a first annular sliding groove, and the inner circumferential wall of the second stirring chamber (12) is provided with a second annular sliding groove; wherein The first stirring assembly (20) further comprises: a first connecting bracket (50), the first connecting bracket (50) being connected to the first connecting pipe (21), and at least a portion of the first connecting bracket (50) being movably received in the first sliding groove; The second stirring assembly (30) further comprises: a second connecting bracket (60), the second connecting bracket (60) being connected to the second connecting pipe (31), and at least a portion of the second connecting bracket (60) being movably received in the second sliding groove.

5. The building material mixer according to claim 4, characterized in that: The inner peripheral wall of the first connecting tube (21) is provided with an annular third sliding groove, and the outer peripheral wall of the second connecting tube (31) is provided with a limiting block (312), and the limiting block (312) is movably received in the third sliding groove.

6. The building material mixer according to claim 1, characterized in that: The driving assembly (40) comprises: A first driving member (41), wherein the first driving member (41) has a rotatable first output shaft (411), and the first output shaft (411) can be selectively linked with the first stirring component (20) and / or the second stirring component (30); A second driving member (42), the second driving member (42) is connected to the housing (10), the second driving member (42) has a second output shaft movable along a height direction, and the second output shaft is connected to the first driving member (41).

7. The building material mixer according to claim 6, characterized in that: Also includes: A plurality of supporting feet (71) are configured to be connected to the housing (10); A mounting plate (72), the mounting plate (72) being movably connected to a plurality of legs (71), and a first driving member (41) being disposed on the mounting plate (72); wherein The second output shaft is connected to the mounting plate (72), and the second output shaft is suitable for driving the mounting plate (72) to move in a height direction.

8. The building material mixer according to claim 1, characterized in that: The shell (10) is provided with a feed inlet and a discharge outlet, the feed inlet is communicated with the first stirring chamber (11), and the discharge outlet is communicated with the second stirring chamber (12).

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