A multi-stage mixing and stirring device for building putty powder

Abstract

The utility model mainly relates to the technical field of stirring equipment, concretely relates to a building putty powder multistage mixing stirring equipment, including mixing cavity, its top is open, top cover, detachably installed in the mixing cavity top, installation platform, set up on the top cover, bidirectional drive arrangement, installation is in the installation platform, first axle and second axle, coaxial arrangement, and from the top cover center place downwardly penetrates and extends, and is driven to reverse synchronous rotation by bidirectional drive arrangement, wherein: first axle is hollow axle structure, and the outer wall evenly distributed has thick stirring vane along the axial direction, second axle coaxial penetrates the hollow portion of first axle, and from its bottom end, and the outer wall evenly distributed has thin stirring vane along the axial direction. Bidirectional drive arrangement drives the first, second axle coaxial arrangement reverse synchronous rotation, drives its on axial distribution thick stirring vane and thin stirring vane reverse rotation, forms reverse shearing flow field in the mixing cavity, and forces material multidirectional turbulent flow.

Description

Technical Field

[0001] This utility model mainly relates to the field of mixing equipment technology, specifically to a multi-stage mixing equipment for building putty powder. Background Technology

[0002] As a basic material for wall leveling and decoration, the uniformity of the mixing of building putty powder directly affects the construction quality and final effect. Currently, putty powder production mostly uses vertical or horizontal mixing equipment, whose core structure is usually a single shaft driving a set of mixing blades rotating in the same direction. However, the mixing blades in this type of equipment, rotating in a single direction, push the material to flow in a fixed direction, resulting in insufficient interlayer shear force. This makes it difficult for powder particles and additives to fully penetrate and blend, easily leading to clumping, layering, or uneven local composition, affecting the putty's workability and curing strength. Utility Model Content

[0003] 1. The technical problem to be solved by the utility model: This utility model provides a multi-stage mixing and stirring device for building putty powder, which solves the technical problems existing in the background art.

[0004] 2. Technical Solution: To achieve the above objectives, the technical solution provided by this utility model is: a multi-stage mixing and stirring device for building putty powder, comprising... A mixing chamber with an open top; A top cover is detachably mounted on top of the mixing chamber; The mounting platform is set on the top cover; A bidirectional drive unit is mounted on the mounting platform; The first and second shafts are coaxially arranged and driven by the bidirectional drive device, rotating synchronously in opposite directions at the center of the top cover, wherein: The first shaft is a hollow shaft structure, and coarse stirring blades are evenly distributed on its outer wall along the axial direction; The second shaft coaxially passes through the hollow part of the first shaft and protrudes from its bottom end, and fine stirring blades are evenly distributed on its outer wall along the axial direction.

[0005] Furthermore, a feed hopper is fixedly connected to the top of the top cover, and a discharge pipe is fixedly connected to the bottom of the mixing chamber. A valve for controlling the opening and closing of the discharge is installed on the discharge pipe.

[0006] Furthermore, the outer wall of the top cover is evenly distributed with multiple locking lugs, and the outer wall of the mixing cavity is provided with multiple lever-type locking buckles that correspond to the positions of the locking lugs and can be operably engaged to achieve locking and fixing of the top cover.

[0007] Furthermore, the bidirectional drive device includes a first bearing seat and a second bearing seat fixed on the mounting platform. The first shaft is rotatably supported on the first bearing seat, and the second shaft is rotatably supported on the second bearing seat. The upper ends of the first shaft and the second shaft are respectively fixedly mounted with a first driven bevel gear and a second driven bevel gear with opposing tooth surfaces. The first driven bevel gear and the second driven bevel gear both mesh with a driving bevel gear rotatably mounted on the mounting platform.

[0008] Furthermore, the drive shaft of the active bevel gear is fixedly connected to a transmission gear, and a fixed rack is fixedly installed on the top of the top cover, which is vertically arranged and meshes with the transmission gear. The mounting platform is connected to a lifting drive mechanism located on the top of the top cover and is driven by it to perform vertical lifting and lowering movements. The mounting platform is provided with a lifting slot for the fixed rack to pass through.

[0009] Furthermore, the lifting drive mechanism includes a reciprocating cylinder fixedly installed on the top of the cover. The piston rod of the reciprocating cylinder is vertically arranged and its end is fixedly connected to the mounting platform. Vertical guide rods fixed to the top of the cover are symmetrically arranged on both sides of the reciprocating cylinder. The mounting platform is provided with guide grooves that slide in cooperation with the vertical guide rods.

[0010] 3. Beneficial effects: Compared with the prior art, the technical solution provided by this utility model has the following beneficial effects: the bidirectional drive device drives the first and second shafts, which are coaxially arranged, to rotate synchronously in opposite directions, thereby driving the coarse stirring blades and fine stirring blades that are evenly distributed axially on them to rotate in opposite directions, forming a reverse shear flow field in the mixing chamber and forcing the material to flow in multiple directions in turbulence. Coarse blades quickly break up clumps, while fine blades finely disperse materials, achieving graded mixing. The reciprocating cylinder drives the installation platform to rise and fall through the vertical guide rod and guide groove. During the rise and fall, the transmission gear meshes with the fixed rack, driving the first and second driven bevel gears to rotate synchronously in opposite directions, so that the coarse and fine stirring blades rise and fall at the same time as they rotate, expanding the stirring range and reducing dead zones. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the internal structure of the hybrid cavity of this utility model; Figure 3 This is a schematic diagram of the bidirectional drive device and lifting drive mechanism of this utility model.

[0012] Figure label: 1. Mixing chamber; 2. Top cover; 3. Mounting platform; 301. Lifting and moving groove; 4. Bidirectional drive device; 401. First bearing seat; 402. Second bearing seat; 403. First driven bevel gear; 404. Second driven bevel gear; 405. Driving bevel gear; 5. First shaft; 6. Second shaft; 7. Coarse stirring blade; 8. Fine stirring blade; 9. Feed hopper; 10. Discharge pipe; 11. Valve; 12. Locking lug; 13. Lever-type locking buckle; 14. Transmission gear; 15. Fixed rack; 16. Lifting drive mechanism; 161. Reciprocating cylinder; 162. Vertical guide rod; 163. Guide groove. Detailed Implementation

[0013] To facilitate understanding of this utility model, a more comprehensive description of the utility model will be given below with reference to the accompanying drawings, which show several embodiments of the utility model. However, the utility model can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the utility model will be more thorough and complete.

[0014] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0015] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0016] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," "fixing," and "equipped with" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances. Example

[0017] See attached document Figure 1-3 A multi-stage mixing and stirring device for building putty powder, including Mixing chamber 1, with its top open; Top cover 2 is detachably mounted on top of mixing chamber 1; Mounting platform 3 is installed on top cover 2; The bidirectional drive unit 4 is installed on the mounting platform 3; The first shaft 5 and the second shaft 6 are coaxially arranged and extend downward from the center of the top cover 2, and are driven by the bidirectional drive device 4 to rotate synchronously in opposite directions, wherein: The first shaft 5 is a hollow shaft structure, and coarse stirring blades 7 are evenly distributed along the axial direction on the outer wall; The second shaft 6 coaxially passes through the hollow part of the first shaft 5 and protrudes from its bottom end, and fine stirring blades 8 are evenly distributed along the axial direction on its outer wall.

[0018] In this embodiment, the first shaft 5 and the second shaft 6, which are coaxially arranged, are driven by the bidirectional drive device 4 to rotate synchronously in opposite directions. The coarse stirring blades 7 and fine stirring blades 8, which are uniformly distributed axially, rotate synchronously in opposite directions to stir the mixing chamber 1, thereby forming a reverse shear flow field, forcing the material to flow in multiple directions, solving the problem of low mixing efficiency of unidirectional stirring. The coarse stirring blades 7 are used to quickly break up agglomerates, and the fine stirring blades 8 are used to finely disperse the material, thereby achieving graded stirring and further improving the stirring effect.

[0019] The top of the top cover 2 is fixedly connected to the feed hopper 9, and the bottom of the mixing chamber 1 is fixedly connected to the discharge pipe 10. A valve 11 for controlling the opening and closing of the discharge is installed on the discharge pipe 10.

[0020] The outer wall of the top cover 2 is evenly distributed with multiple locking lugs 12, and the outer wall of the mixing cavity 1 is provided with multiple lever-type locking buckles 13 that correspond to the positions of the locking lugs 12 and can be operated to achieve the locking and fixing of the top cover 2.

[0021] The bidirectional drive device 4 includes a first bearing seat 401 and a second bearing seat 402 fixed on the mounting platform 3. A first shaft 5 is rotatably supported on the first bearing seat 401, and a second shaft 6 is rotatably supported on the second bearing seat 402. A first driven bevel gear 403 and a second driven bevel gear 404 with opposing tooth surfaces are fixedly mounted on the upper ends of the first shaft 5 and the second shaft 6, respectively. Both the first driven bevel gear 403 and the second driven bevel gear 404 mesh with a driving bevel gear 405 rotatably mounted on the mounting platform 3.

[0022] In this embodiment, after the driving bevel gear 405 is driven to rotate, it can drive the first driven bevel gear 403 and the second driven bevel gear 404 to rotate synchronously in opposite directions through meshing transmission, and the corresponding first shaft 5 and second shaft 6 maintain synchronous reverse rotation.

[0023] The drive shaft of the active bevel gear 405 is fixedly connected to the transmission gear 14. A fixed rack 15, which is vertically arranged and meshes with the transmission gear 14, is fixedly installed on the top of the top cover 2. The mounting platform 3 is connected to a lifting drive mechanism 16 located on the top of the top cover 2 and is driven by it to perform vertical lifting and lowering movements. The mounting platform 3 has a lifting movable groove 301 through which the fixed rack 15 passes. The lifting drive mechanism 16 includes a reciprocating cylinder 161 fixedly installed on the top of the top cover 2. The piston rod of the reciprocating cylinder 161 is vertically arranged and its end is fixedly connected to the mounting platform 3. Vertical guide rods 162 fixed to the top of the top cover 2 are symmetrically arranged on both sides of the reciprocating cylinder 161. A guide groove 163 corresponding to the vertical guide rod 162 is provided on the mounting platform 3 to slide and cooperate with the vertical guide rod 162.

[0024] In this embodiment, after the reciprocating cylinder 161 is started, it can drive the installation platform 3 to reciprocate smoothly by sliding the vertical guide rod 162 and the guide groove 163. During the lifting process, the transmission gear 14 will rotate through meshing with the fixed rack 15, thereby driving the first driven bevel gear 403 and the second driven bevel gear 404 to rotate synchronously in opposite directions. The coarse stirring blades 7 and fine stirring blades 8, which are evenly distributed axially, will rotate and stir at the same time, and will also lift and lower synchronously, thereby increasing the stirring range and reducing the stirring dead zone.

[0025] The above-described embodiments are merely illustrative of certain implementations of this utility model, and their descriptions are relatively specific and detailed. However, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

[0026] It should be noted that the above content falls within the scope of the inventor's technical knowledge. Due to the vast and complex nature of the technical content in this field, the above content of this application does not necessarily constitute prior art.

Claims

1. A multi-stage mixing and stirring device for building putty powder, characterized in that: include The mixing chamber (1) has an open top; The top cover (2) is detachably installed on the top of the mixing chamber (1); The mounting platform (3) is set on the top cover (2); A bidirectional drive device (4) is installed on the mounting platform (3); The first shaft (5) and the second shaft (6) are coaxially arranged and extend downward from the center of the top cover (2), and are driven by the bidirectional drive device (4) to rotate synchronously in opposite directions, wherein: The first shaft (5) is a hollow shaft structure, and coarse stirring blades (7) are evenly distributed along the axial direction on the outer wall. The second shaft (6) coaxially passes through the hollow part of the first shaft (5) and protrudes from its bottom end, and fine stirring blades (8) are evenly distributed on its outer wall along the axial direction.

2. The multi-stage mixing and stirring device for building putty powder according to claim 1, characterized in that: The top cover (2) is fixedly connected to the feed hopper (9), and the bottom of the mixing chamber (1) is fixedly connected to the discharge pipe (10). A valve (11) for controlling the opening and closing of the discharge is installed on the discharge pipe (10).

3. The multi-stage mixing and stirring equipment for building putty powder according to claim 1, characterized in that: The top cover (2) has a plurality of locking lugs (12) evenly distributed around its outer wall. The outer wall of the mixing cavity (1) is provided with a plurality of lever-type locking buckles (13) that correspond to the position of the locking lugs (12) and can be operated to lock and fix the top cover (2).

4. The multi-stage mixing and stirring device for building putty powder according to claim 1, characterized in that: The bidirectional drive device (4) includes a first bearing seat (401) and a second bearing seat (402) fixed on the mounting platform (3). The first shaft (5) is rotatably supported on the first bearing seat (401), and the second shaft (6) is rotatably supported on the second bearing seat (402). The upper ends of the first shaft (5) and the second shaft (6) are respectively fixedly mounted with a first driven bevel gear (403) and a second driven bevel gear (404) with their tooth surfaces facing each other. The first driven bevel gear (403) and the second driven bevel gear (404) are both meshed with a driving bevel gear (405) rotatably mounted on the mounting platform (3).

5. The multi-stage mixing and stirring device for building putty powder according to claim 4, characterized in that: The drive shaft of the active bevel gear (405) is fixedly connected to a transmission gear (14). A fixed rack (15) is fixedly installed on the top of the top cover (2) and meshes with the transmission gear (14). The mounting platform (3) is connected to a lifting drive mechanism (16) located on the top of the top cover (2) and is driven by it to make vertical lifting movements. The mounting platform (3) has a lifting slot (301) through which the fixed rack (15) passes.

6. The multi-stage mixing and stirring device for building putty powder according to claim 5, characterized in that: The lifting drive mechanism (16) includes a lifting reciprocating cylinder (161) fixedly installed on the top of the top cover (2). The piston rod of the reciprocating cylinder (161) is vertically arranged and its end is fixedly connected to the mounting platform (3). Vertical guide rods (162) fixed to the top of the top cover (2) are symmetrically arranged on both sides of the reciprocating cylinder (161). The mounting platform (3) is provided with a guide groove (163) that slides with the vertical guide rod (162).

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