Stirring sealing mechanism

Abstract

The utility model discloses a stirring sealing mechanism, which belongs to the technical field of sealing structures and comprises a mounting table, a motor supporting seat, a combined sealing structure and a limiting fastening structure. The mounting table is fixedly mounted on the stirring box cover, and a motor supporting seat for supporting the motor is fixedly mounted on the mounting table; the output end of the motor is fixedly connected with the stirring main shaft; the stirring main shaft penetrates through the mounting table and the stirring box cover; a combined sealing structure for sealing the stirring main shaft is mounted on the mounting table; the combined type sealing structure comprises a combined type sealing piece and an installation module, the combined type sealing piece is installed on the installation table, and the installation module used for fixing the combined type sealing piece is installed on the installation table. And a limiting and fastening structure for fastening the combined sealing element is mounted on the mounting table. Through the mode, the stirring main shaft is sealed through the combined sealing element, and the combined sealing element is convenient to disassemble and replace through the arrangement of the combined sealing element structure.

Description

Technical Field

[0001] This utility model relates to the field of sealing structure technology, specifically to a stirring sealing mechanism. Background Technology

[0002] Currently, the sealing mechanism of the mixing spindle for powder filling relies on oil seals and PTFE packing to ensure the sealing of the powder mixing tank and prevent powder from overflowing.

[0003] For example, Chinese patent CN222173901U discloses a packing seal structure and a mixer. The mixer adopts a packing seal mechanism, and the packing seal gland and the packing seal box are detachably connected. The sealing effect is achieved by filling the space between the packing seal gland and the packing seal box with packing.

[0004] However, sealing with fillers is not easy to disassemble and replace, and is also difficult to clean; when processing food powders, it is not convenient to clean the corresponding structure, which may pose health risks.

[0005] Based on this, the present invention designs a stirring and sealing mechanism to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a stirring and sealing mechanism.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] A stirring and sealing mechanism includes a mounting platform and a motor support base, and also includes a combined sealing structure and a limiting and fastening structure;

[0009] The mounting platform is fixedly mounted on the mixing tank cover, and a motor support base for supporting the motor is fixedly mounted on the mounting platform; the output end of the motor is fixedly connected to the mixing spindle; the mixing spindle passes through the mounting platform and the mixing tank cover;

[0010] The mounting platform is equipped with a combined sealing structure for sealing the mixing spindle;

[0011] The combined sealing structure includes a combined sealing element and an installation module. The combined sealing element is installed on an installation platform, and an installation module for fixing the combined sealing element is installed on the installation platform.

[0012] The mounting platform is equipped with a limiting and fastening structure for securing the combined seal.

[0013] Furthermore, the combined sealing element includes a semi-circular sealing ring, a connecting frame, and a U-shaped mounting component. Two semi-circular sealing rings are symmetrically arranged, and the two semi-circular sealing rings constitute a circular sealing ring for sealing the stirring shaft. The semi-circular sealing rings are fixedly installed on the connecting frame, and the connecting frame is fixedly connected to one end of the U-shaped mounting component.

[0014] Furthermore, the combined seal also includes an annular platform and a skirt. The annular platform is fixedly installed in the middle of the mounting platform, and a semi-circular skirt is fixedly installed at the bottom of the semi-circular sealing ring. During assembly, the semi-circular sealing ring is located on the upper side of the annular platform, and the skirt is located on the outer side of the annular platform.

[0015] Furthermore, the mounting module includes a screw and a pressure cap, with the pressure cap fixedly mounted on the top of the screw; a threaded groove is provided on the mounting platform; the screw passes through the middle of the U-shaped mounting piece and is threadedly connected to the threaded groove; the pressure cap presses against both sides of the U-shaped mounting piece.

[0016] Furthermore, the installation module also includes a limiting block, with a limiting groove formed at the bottom of the threaded groove, and the limiting block is fixedly installed at the bottom of the screw, with the limiting block sliding within the limiting groove for limiting.

[0017] Furthermore, the limiting and fastening structure includes a fastening module and a locking module. The fastening module is mounted on the mounting platform, and the locking module is installed on the fastening module.

[0018] Furthermore, the fastening module includes a filling fastening block, a fixing fastening block, and a limiting module. An annular groove is provided on the mounting platform, and multiple filling fastening blocks and a fixing fastening block are slidably installed in the annular groove. The fixing fastening block and the multiple filling fastening blocks together form a circle. The inner sides of the filling fastening blocks and the fixing fastening blocks form a fastening groove between themselves and the annular platform. The skirt is located in the fastening groove. A limiting module is provided on the outer wall of the annular groove to limit the movement of the filling fastening blocks and the fixing fastening blocks.

[0019] Furthermore, the limiting module includes an arc-shaped protrusion, and the arc-shaped protrusion is fixedly installed on the outer wall of the annular groove; arc-shaped grooves are opened on the outer sides of both the filling fastening block and the fixing fastening block; the arc-shaped grooves slide in contact with the arc-shaped protrusion.

[0020] Compared with the prior art, the advantages of this utility model are as follows: The combined sealing element is installed on the mounting platform and secured by a limiting fastening structure, and then fixed by the mounting module. During use, the combined sealing element forms a seal against the stirring shaft, preventing powder inside the mixing chamber from overflowing between the stirring shaft and the mixing chamber cover when the stirring shaft drives the stirring mechanism. After use, the combined sealing element can be removed by loosening the mounting module and taking out the limiting fastening structure. The combined sealing element structure facilitates disassembly and replacement, ensuring a tight seal while allowing for easy disassembly and maintenance. The mounting module prevents corresponding fixing parts from falling into the product during disassembly and replacement of the combined sealing element. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This utility model provides a three-dimensional stirring and sealing mechanism. Figure 1 ;

[0023] Figure 2 This is a front view of a stirring and sealing mechanism according to the present invention;

[0024] Figure 3 This is a schematic diagram of the stirring spindle and its connecting structure.

[0025] Figure 4 A schematic diagram of a semi-circular sealing ring and its connection structure;

[0026] Figure 5 This is a schematic diagram of the mounting platform and its connection structure.

[0027] Figure 6 A schematic diagram of the filling fastener block and its connection structure;

[0028] Figure 7 for Figure 5 Enlarged view of point A in the middle.

[0029] The labels in the diagram represent:

[0030] 1. Mounting platform; 2. Combined sealing structure; 21. Combined sealing element; 211. Annular platform; 212. Semi-circular sealing ring; 213. Connecting frame; 214. U-shaped mounting part; 215. Skirt; 22. Mounting module; 221. Screw; 222. Pressure cap; 223. Limiting block; 224. Threaded groove; 225. Limiting groove; 3. Limiting fastening structure; 31. Fastening module; 311. Annular groove; 312. Fastening groove; 313. Filling fastening block; 314. Fixing fastening block; 315. Arc-shaped groove; 316. Arc-shaped protrusion; 32. Locking module; 321. Leaving groove; 322. Mounting plate; 323. Locking groove; 324. Locking pin; 41. Mixing tank cover; 42. Motor support base; 43. Mixing spindle. Detailed Implementation

[0031] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0032] The terms "left," "right," "front," "back," "up," and "down" used in the following description refer to the orientation from the perspective of the front view.

[0033] Example 1: In some embodiments, please refer to the accompanying drawings. Figures 1-3 A stirring and sealing mechanism includes a mounting platform 1 and a motor support base 42; it also includes a combined sealing structure 2 and a limiting and fastening structure 3;

[0034] The mounting platform 1 is fixedly mounted on the mixing tank cover 41, and a motor support base 42 for supporting the motor is fixedly mounted on the mounting platform 1; the output end of the motor is fixedly connected to the mixing spindle 43; the mixing spindle 43 passes through the mounting platform 1 and the mixing tank cover 41.

[0035] The mounting platform 1 is equipped with a combined sealing structure 2 for sealing the stirring shaft 43;

[0036] like Figure 3 As shown, the combined sealing structure 2 includes a combined sealing element 21 and an installation module 22. The combined sealing element 21 is installed on the mounting platform 1, and the mounting platform 1 is equipped with an installation module 22 for fixing the combined sealing element 21.

[0037] Mounting platform 1 is equipped with a limiting fastening structure 3 for fastening the combined seal 21.

[0038] In this embodiment, when the stirring and sealing mechanism is working normally, the combined seal 21 is installed on the mounting platform 1 and fastened by the limiting fastening structure 3. Then, the combined seal 21 is fixed by the mounting module 22. During use, the combined seal 21 forms a seal on the stirring shaft 43, thereby preventing powder inside the stirring box from overflowing between the stirring shaft 43 and the stirring box cover 41 when the stirring shaft 43 drives the stirring mechanism to stir. After use, the combined seal 21 can be removed directly by loosening the mounting module 22 and taking out the limiting fastening structure 3. The structure of the combined seal 21 makes it easy to remove and replace. Thus, while ensuring a seal, the combined seal 21 is easy to disassemble and maintain. The mounting module 22 prevents the corresponding fixing parts from falling into the product when disassembling and replacing the combined seal 21.

[0039] Example 2: In some embodiments, as a preferred embodiment of the present invention, such as... Figure 4 and Figure 7 As shown, the combined sealing element 21 includes a semi-circular sealing ring 212, a connecting frame 213, and a U-shaped mounting component 214. Two semi-circular sealing rings 212 are symmetrically arranged, and the two semi-circular sealing rings 212 constitute a circular sealing ring for sealing the stirring main shaft 43. The semi-circular sealing rings 212 are fixedly installed on the connecting frame 213, and the connecting frame 213 is fixedly connected to one end of the U-shaped mounting component 214.

[0040] The semi-circular sealing ring 212, the connecting bracket 213, and the U-shaped mounting part 214 are integrally carved from 15mm UPE material;

[0041] The combined seal 21 also includes an annular platform 211 and a skirt 215. The annular platform 211 is fixedly installed in the middle of the mounting platform 1, and the semi-circular sealing ring 212 is fixedly installed with a semi-circular skirt 215 at the bottom. During assembly, the semi-circular sealing ring 212 is located on the upper side of the annular platform 211, and the skirt 215 is located on the outer side of the annular platform 211.

[0042] The mounting module 22 includes a screw 221 and a pressure cap 222. The pressure cap 222 is fixedly installed on the top of the screw 221. A threaded groove 224 is provided on the mounting platform 1. The screw 221 passes through the middle of the U-shaped mounting part 214 and is threadedly connected to the threaded groove 224. The pressure cap 222 presses against both sides of the U-shaped mounting part 214.

[0043] The installation module 22 also includes a limiting block 223. A limiting groove 225 is opened at the bottom of the threaded groove 224. The limiting block 223 is fixedly installed at the bottom of the screw 221. The limiting block 223 is limited and slidably connected within the limiting groove 225.

[0044] like Figures 5-7 As shown, the limiting fastening structure 3 includes a fastening module 31 and a locking module 32. The fastening module 31 is mounted on the mounting platform 1, and the locking module 32 is mounted on the fastening module 31.

[0045] The fastening module 31 includes a filling fastening block 313, a fixing fastening block 314, and a limiting module. An annular groove 311 is provided on the mounting platform 1. Multiple filling fastening blocks 313 are slidably installed in the annular groove 311, and a fixing fastening block 314 is slidably installed in the annular groove 311. The fixing fastening block 314 and the multiple filling fastening blocks 313 together form a circle. The inner sides of the filling fastening blocks 313 and the fixing fastening blocks 314 and the annular platform 211 form a fastening groove 312. The skirt 215 is located in the fastening groove 312. A limiting module is provided on the outer wall of the annular groove 311 to limit the movement of the filling fastening blocks 313 and the fixing blocks 314.

[0046] The limiting module includes an arc-shaped protrusion 316, and the arc-shaped protrusion 316 is fixedly installed on the outer wall of the annular groove 311; the outer sides of the filling fastening block 313 and the fixing fastening block 314 are both provided with arc-shaped grooves 315; the arc-shaped grooves 315 slide in contact with the arc-shaped protrusion 316.

[0047] The locking module 32 includes a mounting plate 322 and a locking pin 324. The mounting platform 1 has a clearance groove 321 for easy installation of the filling fastening block 313 and the fixing fastening block 314. The mounting plate 322 is fixedly installed on the outside of the fixing fastening block 314, and the mounting plate 322 abuts against the side of the clearance groove 321. The inner bottom of the mounting plate 322 and the clearance groove 321 has a locking groove 323. The locking pin 324 passes through the locking groove 323 on the mounting plate 322 and the clearance groove 321.

[0048] In this embodiment, when the combined sealing structure 2 and the limiting fastening structure 3 are working normally, the two sets of semi-circular sealing rings 212, the connecting frame 213 and the U-shaped mounting piece 214 are symmetrically installed on the mounting platform 1, so that the two semi-circular sealing rings 212 are located on the side of the stirring main shaft 43 to form a seal on the stirring main shaft 43; at this time, the middle part of the U-shaped mounting piece 214 passes through the upper side of the annular platform 211; the upper side of the U-shaped mounting piece 214 does not contact the pressure cap 222; the setting of the limiting block 223 prevents the pressure cap 222 and the screw 221 from falling off;

[0049] Simultaneously, the skirt 215 is positioned outside the annular platform 211; multiple filling fastening blocks 313 are sequentially filled from the relief groove 321 into the annular groove 311; the filling fastening blocks 313 slide within the annular groove 311, and through the cooperation of the arc-shaped protrusion 316 within the annular groove 311 and the arc-shaped groove 315 on the filling fastening block 313, the filling fastening blocks 313 and the fixing fastening blocks 314 are vertically fixed; then the fixing fastening blocks 314 are filled into the annular groove 311 through the relief groove 321; the mounting plate 322 on the outside of the fixing fastening blocks 314... The side wall fits against the inner wall of the relief groove 321; at this time, the locking groove 323 on the mounting plate 322 is aligned with the locking groove 323 at the bottom of the relief groove 321; the locking pin 324 is inserted into the locking groove 323; the locking pin 324 and the locking groove 323 are locked; at this time, the inner side of the locking groove 323 and the locking pin 324 together with the annular platform 211 form a relief groove 321 for fastening the skirt 215; the locking groove 323 and the locking pin 324 press the skirt 215 against the outside of the annular platform 211; thereby achieving the fixation of the semi-circular sealing ring 212.

[0050] Tightening the pressure cap 222 causes the screw 221 to rotate. The screw 221 and the threaded groove 224 reduce the length of the screw 221 on the upper side of the mounting platform 1, thereby causing the pressure cap 222 to move vertically downward. The pressure cap 222 presses the U-shaped mounting part 214, thus completing the fixation of the U-shaped mounting part 214.

[0051] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A stirring seal mechanism comprising a mounting table (1) and a motor support seat (42), characterized in that: It also includes a combined sealing structure (2) and a limiting fastening structure (3); The mounting platform (1) is fixedly mounted on the mixing tank cover (41), and a motor support base (42) for supporting the motor is fixedly mounted on the mounting platform (1); the output end of the motor is fixedly connected to the mixing spindle (43); the mixing spindle (43) passes through the mounting platform (1) and the mixing tank cover (41). The mounting platform (1) is equipped with a combined sealing structure (2) for sealing the stirring spindle (43); The combined sealing structure (2) includes a combined sealing element (21) and an installation module (22). The combined sealing element (21) is installed on the mounting platform (1), and the mounting platform (1) is equipped with an installation module (22) for fixing the combined sealing element (21). The mounting platform (1) is equipped with a limiting fastening structure (3) for fastening the combined seal (21). The combined sealing element (21) includes a semi-circular sealing ring (212), a connecting frame (213), and a U-shaped mounting component (214). Two semi-circular sealing rings (212) are symmetrically arranged, and the two semi-circular sealing rings (212) constitute a circular sealing ring for sealing the stirring main shaft (43). The semi-circular sealing rings (212) are fixedly installed on the connecting frame (213), and the connecting frame (213) is fixedly connected to one end of the U-shaped mounting component (214).

2. The stir seal mechanism of claim 1, wherein, The combined seal (21) also includes an annular platform (211) and a skirt (215). The annular platform (211) is fixedly installed in the middle of the mounting platform (1), and the semi-circular sealing ring (212) has a semi-circular skirt (215) fixedly installed at the bottom. During assembly, the semi-circular sealing ring (212) is located on the upper side of the annular platform (211), and the skirt (215) is located on the outer side of the annular platform (211).

3. The stir seal mechanism of claim 2, wherein, The mounting module (22) includes a screw (221) and a pressure cap (222). The pressure cap (222) is fixedly installed on the top of the screw (221). A threaded groove (224) is provided on the mounting platform (1). The screw (221) passes through the middle of the U-shaped mounting part (214) and is threadedly connected to the threaded groove (224). The pressure cap (222) presses against both sides of the U-shaped mounting part (214).

4. The stir seal mechanism of claim 3, wherein, The installation module (22) also includes a limiting block (223), a limiting groove (225) is opened at the bottom of the threaded groove (224), the limiting block (223) is fixedly installed at the bottom of the screw (221), and the limiting block (223) is limited and slidably connected in the limiting groove (225).

5. The stir seal mechanism of claim 4, wherein, The limiting fastening structure (3) includes a fastening module (31) and a locking module (32). The fastening module (31) is installed on the mounting platform (1), and the locking module (32) is installed on the fastening module (31).

6. The stir seal mechanism of claim 5, wherein, The fastening module (31) includes a filling fastening block (313), a fixing fastening block (314), and a limiting module. An annular groove (311) is provided on the mounting platform (1). Multiple filling fastening blocks (313) are slidably installed in the annular groove (311), and a fixing fastening block (314) is slidably installed in the annular groove (311). The fixing fastening block (314) and multiple filling fastening blocks (313) together form a circle. The inner sides of the filling fastening block (313) and the fixing fastening block (314) form a fastening groove (312) between them and the annular platform (211). The skirt (215) is located in the fastening groove (312). A limiting module is provided on the outer wall of the annular groove (311) to limit the filling fastening block (313) and the fixing fastening block (314).

7. The stir seal mechanism of claim 6, wherein, The limiting module includes an arc-shaped protrusion (316), and the arc-shaped protrusion (316) is fixedly installed on the outer wall of the annular groove (311); the outer sides of the filling fastening block (313) and the fixing fastening block (314) are provided with arc-shaped grooves (315); the arc-shaped grooves (315) and the arc-shaped protrusions (316) slide together.

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