Stirring paddle of mixing machine

Abstract

The utility model provides a stirring paddle of a mixing machine, and belongs to the field of mixing machines. The stirring paddle structure solves the technical problems that in the stirring process of an existing stirring paddle structure of the mixing machine, raw materials can drill into gaps or adhere to corners, and cleaning is tedious. The stirring paddle of the mixing machine comprises a rotating shaft, a plurality of stirring assemblies are distributed on the rotating shaft in the length direction, each stirring assembly comprises a stirring rod penetrating through the rotating shaft in the radial direction, the distance between one end of each stirring rod and the rotating shaft is larger than that between the other end of each stirring rod and the rotating shaft, and the stirring rods are connected with the rotating shaft in a welded mode. Flaky stirring blades are arranged at the end parts of the stirring rods, the inner ends of the stirring blades and the end parts of the stirring rods are connected into a whole, and arc-shaped arches are arranged at the outer ends of the stirring blades. The utility model has the advantages that materials are not easily hidden and are convenient to clean; the raw materials in multiple directions are uniformly mixed; during working, raw materials move in two opposite directions, and the mixing efficiency is high.

Description

Technical Field

[0001] The utility model belongs to the field of mixers and relates to a stirring device, in particular to a stirring paddle. Background Art

[0002] The mixing paddle of a mixer is a special metal mechanical structure. Its special shape and structure drive the raw materials in the mixer to move, thereby achieving the purpose of mixing the raw materials. In the prior art, the paddle is fixed by a detachable structure, resulting in gaps or multiple corners. During the mixing process, the raw materials will penetrate into the gaps or stick to the corners, making cleaning more cumbersome and even requiring disassembly for complete cleaning. Summary of the invention

[0003] The utility model aims to solve the above problems and provide a stirring paddle for a mixer which is not easy to hide materials.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a stirring paddle of a mixer, including a rotating shaft, on which a plurality of stirring components are distributed along the length direction, the stirring component including a stirring rod radially penetrating the rotating shaft, the distance between one end of the stirring rod and the rotating shaft is greater than the distance between the other end of the stirring rod and the rotating shaft, and the stirring rod is welded to the rotating shaft, and the ends of the stirring rod are provided with sheet-shaped stirring blades, and the inner ends of the stirring blades are connected to the ends of the stirring rod as a whole, and the outer ends of the stirring blades are provided with arc-shaped arches. When in use, the raw materials can be mixed uniformly in all directions, and the integrated structure is achieved by welding, which can effectively prevent the material from entering the gaps of the splicing in the detachable fixing, thereby preventing the material from entering the gaps and making it easier to clean.

[0005] In the above-mentioned stirring paddle of a mixer, slots are provided on both sides of the end of the stirring rod, one side of the slot radially penetrates the side wall of the stirring rod, a slot is provided on the inner end of the stirring blade, plug plates are formed on both sides of the slot, the plug plates are inserted in the slots, and the plug plates and the stirring blades are fixed by welding structures. The above-mentioned structure can facilitate positioning during welding, and the structure is more solid after welding, and an integrated structure is achieved by welding without gaps, so it is easy to clean.

[0006] In the above-mentioned stirring paddle of a mixer, the distance between the two slots is less than or equal to the width of the clamping slot. The width matching between the slot and the clamping slot can make the connection more stable.

[0007] In the above-mentioned stirring paddle of a mixer, both sides of the stirring blade are provided with inclined edges and parallel parts located between the inner end and the outer end, the parallel part is parallel to the central axis of the stirring rod, the inclined part is inclined to the central axis of the stirring rod, the inclined part is located at the inner end of the parallel part, the inner end of the inclined part is arranged near the slot, the outer end is connected to the inner end of the parallel part, and the inclined part gradually tilts upward from the inside to the outside, and the outer end of the parallel part is connected to one end of the arc-shaped arch. The shape of this stirring blade can increase the force application area of ​​the raw materials during stirring and promote the mixing of the raw materials.

[0008] In the above-mentioned stirring paddle of a mixer, a plurality of stirring rods are evenly distributed along the rotating shaft, and any two adjacent stirring rods are staggered in the circumferential direction. The staggered stirring rods can stir the raw materials from multiple directions at the same time during stirring, which can improve the mixing efficiency.

[0009] In the above-mentioned stirring paddle of a mixer, the stirring surface of the stirring blade is inclined to the central axis of the rotating shaft. The stirring surface inclined to the central axis can promote the movement of raw materials during stirring, thereby improving the mixing efficiency.

[0010] In the above-mentioned stirring paddle of a mixer, the ratio of the distance between one end of the stirring rod and the central axis of the rotating shaft to the distance between the other end of the stirring rod and the central axis of the rotating shaft is 310:208, the ratio of the distance between one end of the stirring rod and the central axis of the rotating shaft to the outer diameter of the rotating shaft is 310:102, and the ratio of the distance between the outer end of the stirring blade at one end of the stirring rod and the central axis of the rotating shaft to the distance between the outer end of the stirring blade at the other end of the stirring rod and the central axis of the rotating shaft is 462:360. The above-mentioned structure makes the mixing movement of the raw materials stable when the stirring paddle is working, makes the force of the rotating shaft uniform, and can extend the service life of the equipment.

[0011] In the above-mentioned stirring paddle of the mixer, the number of the stirring components is an odd number greater than or equal to three, and the two stirring blades on the central stirring rod are symmetrical in opposite directions.

[0012] In the above-mentioned stirring paddle of a mixer, there are seven groups of stirring components, which are stirring component 1, stirring component 2, stirring component 3, stirring component 4, stirring component 5, stirring component 6 and stirring component 7 from left to right. The two stirring blades of stirring component 4 are symmetrical in reverse. The stirring blades at both ends of the stirring rods of the other stirring components except stirring component 4 are symmetrically arranged. The stirring blades on stirring component 1, stirring blades on stirring component 2 and stirring blades on stirring component 7 are opposite to the stirring blades on stirring component 3, stirring blades on stirring component 5 and stirring blades on stirring component 6. The above-mentioned structure makes the materials mixed more evenly, improves the mixing efficiency, saves the mixing time and improves the production efficiency.

[0013] In the above-mentioned mixing paddle of a mixer, both ends of the rotating shaft are provided with shaft shoulders and shaft necks distributed from the inside to the outside, one end is provided with a shaft head, a keyway is provided on the shaft head, and an annular groove is provided on the inner end of each shaft shoulder. The annular groove is used to install a sealing ring to form a seal between the box body.

[0014] Compared with the existing technology, the advantages of the stirring paddle of this mixer are:

[0015] 1. It is not easy to hide materials, so it is easy to clean or even unnecessary to clean. 2. The staggered design and the stirring blades at different distances from the stirring rod can ensure that the raw materials in multiple directions are mixed evenly when in use. 3. By setting the direction of the stirring blades, the raw materials move in two opposite directions during operation, thereby promoting the mixing of the raw materials and improving the mixing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram provided by the utility model.

[0017] Figure 2 It is a main structural schematic diagram provided by the utility model.

[0018] Figure 3 It is a schematic diagram of the top structure provided by the utility model.

[0019] In the figure, shaft 1, shoulder 11, annular groove 111, journal 12, shaft head 13, keyway 131, stirring component 2, stirring rod 21, slot 211, stirring blade 22, arc-shaped arch 221, slot 222, plug plate 223, inclined edge 224, parallel portion 225, stirring surface 226, stirring component one z1, stirring component two z2, stirring component three z3, stirring component four z4, stirring component five z5, stirring component six z6, stirring component seven z7. DETAILED DESCRIPTION

[0020] like Figure 1-3 As shown, the stirring paddle of the mixer comprises a rotating shaft 1, both ends of the rotating shaft 1 are provided with shaft shoulders 11 and shaft necks 12 distributed from the inside to the outside, a shaft head 13 is provided on one end, a keyway 131 is provided on the shaft head 13, an annular groove 111 is provided on the inner end of each shaft shoulder 11, and a plurality of stirring components 2 are distributed on the rotating shaft 1 along the length direction, the stirring component 2 comprises a stirring rod 21 which radially penetrates a stirring rod hole of the rotating shaft 1, the central axis of the rotating shaft 1 is perpendicular to the central axis of the stirring rod 21, the spacing between one end of the stirring rod 21 and the rotating shaft 1 is greater than the spacing between the other end of the stirring rod 21 and the rotating shaft 1, and the stirring rod 21 is welded to the rotating shaft 1, and welds are provided between both ends of the stirring rod hole and the rotating shaft 1, and the ends of the stirring rod 21 are provided with sheet-shaped stirring blades 22, and the inner ends of the stirring blades 22 are connected to the ends of the stirring rod 21 as a whole, and the outer ends of the stirring blades 22 are provided with arc-shaped arches 221.

[0021] like Figure 2 As shown, slots 211 are provided on both sides of the end of the stirring rod 21, and one side of the slot 211 radially penetrates the side wall of the stirring rod 21. A slot 222 is provided on the inner end of the stirring blade 22, and plug plates 223 are formed on both sides of the slot 222. The plug plates 223 are inserted into the slot 211 and the plug plates 223 and the stirring blade 22 are fixed by a welding structure. The welding structure includes a weld that seals the gap between the slot 211 of the stirring rod 21 and the slot 222 of the stirring blade 22. The spacing between the two slots 211 is less than or equal to the spacing between the slots 22 2, both sides of the stirring blade 22 are provided with an inclined portion 224 and a parallel portion 225 located between the inner end and the outer end, the parallel portion 225 is parallel to the central axis of the stirring rod 21, the inclined portion 224 is inclined to the central axis of the stirring rod 21, the inclined portion 224 is located at the inner end of the parallel portion 225, the inner end of the inclined portion 224 is arranged near the slot 222, the outer end is connected to the inner end of the parallel portion 225, and the inclined portion 224 gradually inclines upward from the inside to the outside, and the outer end of the parallel portion 225 is connected to one end of the arc-shaped arch 221.

[0022] like Figure 1 , 2 As shown in FIG. 3 , a plurality of stirring rods 21 are evenly distributed along the rotating shaft 1 , and any two adjacent stirring rods 21 are staggered in the circumferential direction.

[0023] like Figure 3 As shown, the stirring surface 226 of the stirring blade 22 is inclined to the central axis of the rotating shaft 1;

[0024] In this embodiment, the angle α formed between the stirring blade 22 and the central axis of the rotating shaft 1 is 45 degrees.

[0025] The ratio of the distance between one end of the stirring rod 21 and the central axis of the rotating shaft 1 to the distance between the other end of the stirring rod 21 and the central axis of the rotating shaft 1 is 310:208, the ratio of the distance between one end of the stirring rod 21 and the central axis of the rotating shaft 1 to the outer diameter of the rotating shaft 1 is 310:102, and the ratio of the distance between the outer end of the stirring blade 22 at one end of the stirring rod 21 and the central axis of the rotating shaft 1 to the distance between the outer end of the stirring blade 22 at the other end of the stirring rod 21 and the central axis of the rotating shaft 1 is 462:360.

[0026] Preferably, the number of stirring assemblies 2 is an odd number greater than or equal to three, and the two stirring blades 22 on the stirring rod 21 at the center are symmetrical in opposite directions.

[0027] In this embodiment, there are seven groups of stirring components 2, which are, from left to right, stirring component 1 z1, stirring component 2 z2, stirring component 3 z3, stirring component 4 z4, stirring component 5 z5, stirring component 6 z6 and stirring component 7 z7. The two stirring blades 22 of stirring component 4 z4 are symmetrical in reverse. The stirring blades 22 at both ends of the stirring rod 21 of the remaining stirring components 2 except stirring component 4 z4 are symmetrically arranged. The stirring blades 22 on stirring component 1 z1, the stirring blades 22 on stirring component 2 z2 and the stirring blades 22 of stirring component 7 z7 are in opposite directions to the stirring blades 22 of stirring component 3 z3, the stirring blades 22 of stirring component 5 z5 and the stirring blades 22 of stirring component 6 z6.

[0028] The working principle of this embodiment is: Figure 1 As described, when the rotating shaft 1 rotates, the flow direction of the materials conveyed by the stirring components z1, z2 and z7 is opposite to the flow direction of the materials conveyed by the stirring components z3, z5 and z6, and the flow direction of the materials conveyed by one of the stirring blades 22 on the stirring component z4 is the same as the flow direction of the materials conveyed by the stirring blades 22 on the stirring components z1, z2 and z7, and the flow direction of the materials conveyed by the other stirring blade 22 on the stirring component z4 is the same as the flow direction of the materials conveyed by the stirring components z3, z5 and z6.

[0029] The sealing ring is installed in the annular groove, connected to the box body through the shaft shoulder 11, the shaft neck 12 and the shaft head 13, and forms a seal with the box body. The power device controls the rotation of the shaft, drives the stirring assembly 2 to rotate, and thus drives the raw materials to move in the box body, thereby achieving the function of mixing the raw materials.

[0030] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0031] Although this article uses more terms such as rotating shaft, shoulder, annular groove, journal, shaft head, keyway, stirring component, stirring rod, slot, stirring blade, arc arch, slot, plug plate, inclined edge, parallel part, stirring surface, stirring component one, stirring component two, stirring component three, stirring component four, stirring component five, stirring component six, stirring component seven, etc., it does not exclude the possibility of using other terms. The use of these terms is only to more conveniently describe and explain the essence of the utility model, and interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A stirring paddle of a mixer, comprising a rotating shaft (1), on which a plurality of stirring components (2) are distributed along the length direction, characterized in that: The stirring assembly (2) comprises a stirring rod (21) radially penetrating the rotating shaft (1); the distance between one end of the stirring rod (21) and the rotating shaft (1) is greater than the distance between the other end of the stirring rod (21) and the rotating shaft (1); the stirring rod (21) and the rotating shaft (1) are connected by welding; the ends of the stirring rod (21) are provided with sheet-shaped stirring blades (22); the inner ends of the stirring blades (22) are connected to the ends of the stirring rod (21) as a whole; and the outer ends of the stirring blades (22) are provided with arc-shaped arches (221).

2. The stirring blade of the mixer according to claim 1, characterized in that: Slots (211) are provided on both sides of the end of the stirring rod (21), one side of the slot (211) radially penetrates the side wall of the stirring rod (21), a slot (222) is provided on the inner end of the stirring blade (22), and plug plates (223) are formed on both sides of the slot (222), the plug plates (223) are inserted into the slot (211), and the plug plates (223) and the stirring blade (22) are fixed by a welding structure.

3. The stirring blade of the mixer according to claim 2, characterized in that: The distance between the two slots (211) is less than or equal to the width of the card slot (222).

4. The stirring blade of the mixer according to claim 2 or 3, characterized in that: Both sides of the stirring blade (22) are provided with an inclined portion (224) and a parallel portion (225) located between the inner end and the outer end, the parallel portion (225) is parallel to the central axis of the stirring rod (21), the inclined portion (224) is inclined to the central axis of the stirring rod (21), the inclined portion (224) is located at the inner end of the parallel portion (225), the inner end of the inclined portion (224) is arranged close to the slot (222), the outer end is connected to the inner end of the parallel portion (225), and the inclined portion (224) gradually inclines upward from the inner side to the outer side, and the outer end of the parallel portion (225) is connected to one end of the arc-shaped arch (221).

5. The stirring blade of the mixer according to claim 1, 2 or 3, characterized in that: The plurality of stirring rods (21) are evenly distributed along the rotating shaft (1), and any two adjacent stirring rods (21) are staggered in the circumferential direction.

6. The stirring blade of the mixer according to claim 5, characterized in that: The stirring surface (226) of the stirring blade (22) is inclined with respect to the central axis of the rotating shaft (1).

7. The stirring blade of the mixer according to claim 5, characterized in that: The ratio of the distance between one end of the stirring rod (21) and the central axis of the rotating shaft (1) to the distance between the other end of the stirring rod (21) and the central axis of the rotating shaft (1) is 310:208, the ratio of the distance between one end of the stirring rod (21) and the central axis of the rotating shaft (1) to the outer diameter of the rotating shaft (1) is 310:102, and the ratio of the distance between the outer end of the stirring blade (22) at one end of the stirring rod (21) and the central axis of the rotating shaft (1) to the distance between the outer end of the stirring blade (22) at the other end of the stirring rod (21) and the central axis of the rotating shaft (1) is 462:

360.

8. The stirring blade of the mixer according to claim 5, characterized in that: The number of the stirring components (2) is an odd number greater than or equal to three, and the two stirring blades (22) on the stirring rod (21) located in the center are symmetrical in opposite directions.

9. The stirring blade of the mixer according to claim 5, characterized in that: The stirring components (2) have seven groups, which are stirring component one (z1), stirring component two (z2), stirring component three (z3), stirring component four (z4), stirring component five (z5), stirring component six (z6) and stirring component seven (z7) from left to right. The two stirring blades (22) of the stirring component four (z4) are symmetrical in opposite directions. The stirring blades (22) at both ends of the stirring rods (21) of the remaining stirring components (2) except the stirring component four (z4) are symmetrically arranged. The stirring blades (22) on the stirring component one (z1), the stirring blades (22) on the stirring component two (z2) and the stirring blades (22) of the stirring component seven (z7) are in the opposite direction to the stirring blades (22) of the stirring component three (z3), the stirring blades (22) of the stirring component five (z5) and the stirring blades (22) of the stirring component six (z6).

10. The stirring blade of the mixer according to claim 1, 2 or 3, characterized in that: Both ends of the rotating shaft (1) are provided with shaft shoulders (11) and shaft necks (12) distributed from the inside to the outside, a shaft head (13) is provided on one end, a keyway (131) is provided on the shaft head (13), and an annular groove (111) is provided on the inner end of each shaft shoulder (11).

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