Single-shaft double-layer paddle capable of conveniently adjusting spacing

Abstract

The utility model discloses a single-shaft double-layer paddle convenient to adjust spacing, which comprises a stirring shaft, a stirring paddle I and a stirring paddle II, the surface of the stirring shaft is respectively provided with the stirring paddle I and the stirring paddle II along the axial direction, and the stirring paddle I and the stirring paddle II are respectively and detachably connected with the stirring shaft. The structure of the first stirring paddle is the same as that of the second stirring paddle, the first stirring paddle comprises a stirring blade, a fixed seat and a locking bolt, the bottom of the stirring blade is fixedly connected with the fixed seat, a mounting hole is formed in the side wall of one end of the fixed seat, a threaded hole is formed in the end part of the other end of the fixed seat, and the locking bolt is fixedly connected with the mounting hole. The locking bolt penetrates through the mounting hole and is rotationally connected with the fixing shaft, and a limiting pin is arranged at the joint of the stirring shaft and the first stirring paddle. The hexagonal prism-shaped mounting part is arranged on the surface of the stirring shaft and is matched with the key grooves uniformly formed in the surface, so that the mounting positions of the stirring paddle I and the stirring paddle II are convenient to adjust.

Description

Technical Field

[0001] The utility model relates to the technical field of stirring mechanisms, in particular to a single-shaft double-layer paddle with easy-to-adjust spacing. Background Art

[0002] The double motion mixer is a kind of mixing equipment independently developed by Jinhe with the advanced level of the contemporary era. Its concept is to make the material barrel of the mixer rotate to mix the materials while letting the built-in full-size blade group rotate independently, so as to superimpose and mix the materials in different directions and at different speeds, thereby greatly improving the mixing efficiency.

[0003] At present, in order to improve the efficiency of stirring and mixing, the stirring mechanism in the market usually installs a double-layer blade on the stirring shaft, which can effectively improve the stirring efficiency compared with the stirring shaft with a single blade. However, the existing single-shaft double-layer blades are mostly directly fixed on the stirring shaft, which is inconvenient to adjust the spacing between the double-layer blades, resulting in poor versatility in material stirring. Therefore, a single-shaft double-layer blade with easy adjustment of the spacing is proposed. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a single-axis double-layer paddle with easy-to-adjust spacing, which solves the problem that it is inconvenient to adjust the spacing between the paddles of the stirring mechanism of the double-layer paddle. By providing a hexagonal mounting portion on the surface of the stirring shaft, combined with key slots evenly opened on the surface, it is convenient to adjust the installation position of the stirring paddle one and the stirring paddle two. By providing a snap-fit ​​fixing seat at the bottom of the stirring paddle one and the stirring paddle two, combined with a snap-fit ​​limit pin, the convenience of installing the stirring paddle is greatly improved, the spacing between the stirring paddle one and the stirring paddle two is convenient to quickly adjust, and it can be adjusted according to the mixture of different materials, thereby improving the versatility of use.

[0006] (II) Technical solution

[0007] To achieve the above objectives, the utility model is implemented through the following technical solutions: a single-axis double-layer paddle with easy adjustment of spacing, comprising a stirring shaft, a stirring paddle 1 and a stirring paddle 2, the surface of the stirring shaft is respectively provided with a stirring paddle 1 and a stirring paddle 2 along the axial direction, the stirring paddle 1 and the stirring paddle 2 are respectively detachably connected to the stirring shaft, the structure of the stirring paddle 1 is the same as that of the stirring paddle 2, the stirring paddle 1 comprises a stirring blade, a fixing seat and a locking bolt, the bottom of the stirring blade is fixedly connected to the fixing seat, a mounting hole is provided on the side wall at one end of the fixing seat, a threaded hole is provided on the end of the other end of the fixing seat, the locking bolt passes through the mounting hole and is fixedly rotatably connected, and a limit pin is provided at the connection between the stirring shaft and the stirring paddle 1.

[0008] As a further preferred embodiment of the present invention, a hexagonal column-shaped mounting portion is provided on the surface of the stirring shaft, and a diameter of the mounting portion is larger than a diameter of the stirring shaft.

[0009] As a further preferred embodiment of the present invention, the surface of the mounting portion is provided with key slots evenly distributed along the axial direction, and the limit pin is embedded in the key slot and is buckled and connected with the key slot.

[0010] As a further preferred embodiment of the present invention, a hexagonal locking groove is provided at the center of the fixing seat, and a limiting groove is provided on the inner wall of the fixing seat, and the limiting groove is locked and connected with a limiting pin.

[0011] As a further preferred embodiment of the present invention, an inner step groove is formed on the inner wall of the end portion of the fixing seat, and an outer step groove is formed on the outer wall of the end portion of the fixing seat.

[0012] As a further preferred embodiment of the present invention, the stirring blade is welded to the fixing seat, and a reinforcing rib is fixedly connected to the connection between the stirring blade and the fixing seat.

[0013] (III) Beneficial effects

[0014] The utility model provides a single-axis double-layer propeller with easy-to-adjust spacing. It has the following beneficial effects:

[0015] The utility model provides a hexagonal mounting portion on the surface of the stirring shaft, which cooperates with key grooves evenly opened on the surface, so that the mounting positions of the stirring paddles one and two are adjusted easily. A buckled fixed seat is provided at the bottom of the stirring paddles one and two, which cooperates with a buckled limit pin, so that the convenience of installing the stirring paddles is greatly improved, and the distance between the stirring paddles one and two is convenient to quickly adjust, and can be adjusted according to the mixing of different materials, thereby improving the versatility of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a single-axis double-layer blade that is easy to adjust the spacing of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the utility model, which is a single-axis double-layer propeller with easy adjustment of the spacing, from a side view;

[0018] Figure 3 It is a structural schematic diagram of the stirring paddle of the utility model.

[0019] In the figure: stirring shaft -1, stirring paddle 1 -2, stirring paddle 2 -3, stirring blade -4, fixing seat -5, locking bolt -6, mounting hole -7, threaded hole -8, limit pin -9, mounting part -10, keyway -11, snap-fit ​​groove -12, limit groove -13, inner step groove -14, outer step groove -15, reinforcing rib -16. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3 , the utility model embodiment provides a technical solution: a single-axis double-layer paddle that is easy to adjust the spacing, including a stirring shaft 1, a stirring paddle 2 and a stirring paddle 3, the surface of the stirring shaft 1 is respectively provided with a stirring paddle 2 and a stirring paddle 3 along the axial direction, the stirring paddle 2 and the stirring paddle 3 are respectively detachably connected to the stirring shaft 1, the structure of the stirring paddle 2 is the same as that of the stirring paddle 2 3, the stirring paddle 2 includes a stirring blade 4, a fixing seat 5 and a locking bolt 6, the bottom of the stirring blade 4 is fixedly connected to the fixing seat 5, the side wall of one end of the fixing seat 5 is provided with a mounting hole 7, the end of the other end of the fixing seat 5 is provided with a threaded hole 8, the locking bolt 6 passes through the mounting hole 7 and is fixedly rotatably connected, and a limit pin 9 is provided at the connection between the stirring shaft 1 and the stirring paddle 2.

[0022] As a further improvement, a hexagonal mounting portion 10 is provided on the surface of the stirring shaft 1, and the diameter of the mounting portion 10 is larger than the diameter of the stirring shaft 1. By providing the hexagonal mounting portion 10 on the surface of the stirring shaft 1, the stability of the stirring paddle 1 2 and the stirring paddle 2 3 during installation is conveniently improved, and relative rotation between the stirring paddle 1 2 and the stirring paddle 2 3 and the stirring shaft 1 is avoided during operation.

[0023] As a further improvement, the surface of the mounting portion 10 is provided with key grooves 11 evenly distributed along the axial direction, and the limit pin 9 is embedded in the key groove 11 and is snap-fitted with the key groove 11. By providing the key groove 11 on the surface of the mounting portion 10, it is convenient to snap-fit ​​the limit pin 9, and it is convenient to install and fix the stirring paddle 1 2 and the stirring paddle 2 3.

[0024] As a further improvement, a hexagonal locking groove 12 is provided at the center of the fixed seat 5, and a limiting groove 13 is provided on the inner wall of the fixed seat 5. The limiting groove 13 is locked with the limiting pin 9. By providing a locking groove 12 that is locked with the mounting portion 10 at the center of the fixed seat 5, the stability of the fixed seat 5 and the stirring shaft 1 during rotation is improved. By providing a limiting groove 13 that is locked with the limiting pin 9 on the inner wall of the fixed seat 5, it is convenient to limit the axial position of the fixed seat 5 and to adjust the installation position of the fixed seat 5.

[0025] As a further improvement, an inner step groove 14 is provided on the inner wall of the end of the fixing seat 5, and an outer step groove 15 is provided on the outer wall of the end of the fixing seat 5. By respectively providing the inner step groove 14 and the outer step groove 15 at both ends of the fixing seat 5, it is convenient to dock the fixing seat 5 during installation, thereby improving the convenience and stability of the installation of the fixing seat 5.

[0026] Specifically, the stirring blade 4 is welded to the fixed seat 5, and a reinforcing rib 16 is fixedly connected to the connection between the stirring blade 4 and the fixed seat 5. By providing a reinforcing rib 16 at the connection between the stirring blade 4 and the fixed seat 5, the connection strength between the stirring blade 4 and the fixed seat 5 can be greatly improved, thereby preventing the stirring blade from breaking during operation.

[0027] When the utility model is in use, the limit pin 9 is embedded in the key groove 11 according to the installation needs, and then the fixing seat 5 is buckled and connected to the surface of one side of the installation part 10, and the limit groove 13 on the inner wall of the fixing seat 5 is buckled with the limit pin 9, and another fixing seat 5 is installed from the other side, so that the inner step grooves 14 and the outer step grooves 15 of the two fixing seats 5 are buckled with each other, and the locking bolt 6 is passed through the installation hole 7 and locked and fixed in the threaded hole 8, so as to facilitate the fixing of the installation position of the stirring paddle 1 2 and the stirring paddle 2 3.

[0028] The problem that the utility model solves is that in order to improve the efficiency of stirring and mixing, stirring mechanisms on the market usually install double-layer blades on the stirring shaft, which can effectively improve the stirring efficiency compared with the stirring shaft with a single blade. However, the existing single-shaft double-layer blades are mostly directly fixed on the stirring shaft, which is inconvenient to adjust the distance between the double-layer blades, resulting in poor versatility in material stirring. The utility model provides a hexagonal mounting portion 10 on the surface of the stirring shaft 1, which cooperates with key grooves 11 evenly opened on the surface, so as to facilitate adjustment of the installation positions of the stirring paddles 1 2 and 3, and provides a snap-fitting fixing seat 5 at the bottom of the stirring paddles 1 2 and 3, which cooperates with the snap-fitting limiting pin 9, so that the convenience of installing the stirring paddles is greatly improved, and the distance between the stirring paddles 1 2 and 3 can be quickly adjusted, and can be adjusted according to the mixing of different materials, thereby improving the versatility of use.

[0029] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0030] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0031] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0032] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A single-shaft double-layer paddle with easily adjustable spacing, comprising a stirring shaft (1), a stirring paddle 1 (2) and a stirring paddle 2 (3), characterized in that: A stirring paddle 1 (2) and a stirring paddle 2 (3) are respectively provided on the surface of the stirring shaft (1) along the axial direction. The stirring paddle 1 (2) and the stirring paddle 2 (3) are respectively detachably connected to the stirring shaft (1). The structure of the stirring paddle 1 (2) is the same as that of the stirring paddle 2 (3). The stirring paddle 1 (2) comprises a stirring blade (4), a fixing seat (5) and a locking bolt (6). The bottom of the stirring blade (4) is fixedly connected to the fixing seat (5). A mounting hole (7) is provided on a side wall at one end of the fixing seat (5). The fixing seat (5) has a fixing hole (7) at the other end. A threaded hole (8) is provided at the end, a hexagonal locking groove (12) is provided at the center of the fixing seat (5), a limiting groove (13) is provided on the inner wall of the fixing seat (5), and the limiting groove (13) is locked with a limiting pin (9), an inner step groove (14) is provided on the inner wall of the end of the fixing seat (5), and an outer step groove (15) is provided on the outer wall of the end of the fixing seat (5), the locking bolt (6) passes through the mounting hole (7) and is fixedly rotatably connected thereto, and a limiting pin (9) is provided at the connection between the stirring shaft (1) and the stirring paddle 1 (2).

2. The single-axis double-layer propeller with easy-to-adjust spacing according to claim 1, characterized in that: A hexagonal column-shaped mounting portion (10) is provided on the surface of the stirring shaft (1), and the diameter of the mounting portion (10) is greater than the diameter of the stirring shaft (1).

3. The single-axis double-layer propeller with easy-to-adjust spacing according to claim 2, characterized in that: The surface of the mounting portion (10) is provided with key slots (11) evenly distributed along the axial direction, and the limiting pin (9) is embedded in the key slot (11) and is buckled and connected with the key slot (11).

4. The single-axis double-layer propeller with easy-to-adjust spacing according to claim 1, characterized in that: The stirring blade (4) is welded to the fixing seat (5), and a reinforcing rib (16) is fixedly connected at the connection between the stirring blade (4) and the fixing seat (5).

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