CN219897944U - Stirring mechanism of dispersing machine for laboratory - Google Patents

Abstract

The utility model relates to the technical field of paint production and discloses a stirring mechanism of a dispersing machine for a laboratory, which comprises a base and a supporting rod, wherein the stirring mechanism comprises a fixed seat, a driving shaft and a stirring shaft, a cavity is arranged on the driving shaft, a push block is arranged in the cavity, the push block is connected with a threaded rod, a first through hole is arranged on the side wall of the cavity, a connecting block is arranged in the first through hole in a sliding manner, the connecting block is connected to the driving shaft through a first spring, the connecting block is provided with an inclined surface which is matched with and abutted against the outer conical surface of the push block, a connecting sleeve is arranged on the stirring shaft, and a clamping groove is formed in the inner wall of the connecting sleeve. The utility model can realize the rapid installation and disassembly of the stirring shaft, and improves the convenience of cleaning and replacing the stirring shaft; simultaneously, the fixing component is arranged, different material barrels can be fixed, and the stirring requirements of different quantities of different materials are met.

Description

Stirring mechanism of dispersing machine for laboratory

Technical Field

The utility model relates to the technical field of paint production, in particular to a stirring mechanism of a dispersing machine for a laboratory.

Background

In the production process of paints, coatings, etc., experiments are required in a laboratory, and a dispenser is one of the necessary devices in the laboratory. The dispersing machine is one of the mixers, and adopts a high-speed mixer (such as a circular saw C-type mixer) to form strong turbulence locally, has strong dispersing and emulsifying effects on materials, and is used for stirring, dissolving and dispersing various liquids and dissolving and dispersing and grinding high-viscosity materials.

The stirring shaft and the motor of the existing dispersing machine are complex in connection structure, the disassembly and the installation of the stirring shaft are time-consuming and labor-consuming, the stirring shaft and the stirring blades are inconvenient to clean and maintain after the use, and certain defects exist. Therefore, improvements are needed.

Disclosure of Invention

Aiming at the technical problems in the prior art, the utility model provides a stirring mechanism of a dispersing machine for a laboratory.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a rabbling mechanism of dispenser for laboratory, the dispenser includes the base and connects the bracing piece on the base, rabbling mechanism includes fixing base, drive shaft, (mixing) shaft, the fixing base is connected with the sliding sleeve, the outside of bracing piece is located in the sliding sleeve slip, is equipped with the location jackscrew that is used for the location on the sliding sleeve, the drive shaft rotates to be connected with on the fixing base and is connected with drive assembly, is equipped with the cavity in the drive shaft, be equipped with conical ejector pad in the cavity, the ejector pad is connected with the threaded rod, threaded connection is in the drive shaft, evenly is equipped with a plurality of through-hole one along circumference on the lateral wall of cavity, and one interior slip of through-hole is equipped with the connecting block, the connecting block passes through spring one and connects in the drive shaft, the tip of connecting block is equipped with the inclined plane with ejector pad external cone assorted and butt, be equipped with connecting sleeve on the (mixing) inner wall of connecting sleeve.

The heights of the stirring shaft and the dispersing disc can be adjusted by sliding the sliding sleeve along the supporting rod, and the positioning jackscrews are screwed for positioning after the heights are adjusted.

When the stirring shaft is installed, the connecting sleeve is sleeved on the outer side of the driving shaft, the threaded rod is rotated, the pushing block moves downwards and acts on the connecting block through the outer conical surface, the connecting block overcomes the elastic force of the first spring and moves outwards until the two connecting blocks are clamped into the clamping groove and tightly prop up the groove wall of the clamping groove, and therefore the stirring shaft is installed. When the dispersing machine works, the driving assembly drives the driving shaft to rotate, and the connecting sleeve and the stirring shaft rotate along with the driving shaft, so that stirring and dispersing of materials are realized.

Preferably, the driving assembly comprises a stirring motor, a driving gear and a driven gear, wherein the stirring motor is fixed on the fixed seat, the driving gear is connected with the stirring motor, and the driven gear is connected on the driving shaft and meshed with the driving gear.

Preferably, the driving shaft is provided with a positioning block, and the inner wall of the connecting sleeve is provided with a positioning groove matched with the positioning block.

When the connecting sleeve is installed, the positioning groove is rotated to a position corresponding to the positioning block, so that the clamping groove corresponds to the connecting block, and the connecting sleeve can be positioned by the arrangement, so that the installation is convenient.

Preferably, be equipped with fixed subassembly on the base, fixed subassembly includes solid fixed ring, swivel becket, holding ring, gu fixed ring is fixed in on the base and with the coaxial setting of drive shaft, evenly is equipped with a plurality of through-holes two along circumference on the solid fixed ring, the second internal sliding of through-hole is equipped with the fixed block, the swivel becket rotates and connects in the outside of solid fixed ring, corresponds the fixed block on the swivel becket and is equipped with the slide hole, the slide bar slides in the slide hole and is equipped with the slide bar, the slide bar is connected on its fixed block that corresponds, is equipped with the external engagement tooth that is annular arrangement on the outward flange of swivel becket, the holding ring is located the outside of swivel becket and is connected on the base through spring two, and the inboard of holding ring is equipped with the internal engagement tooth with external engagement tooth meshing.

The fixed subassembly is used for fixing the material section of thick bamboo. The working principle is as follows: placing the material cylinder on the inner side of the fixed ring, applying external force to move the positioning ring downwards to separate the external engagement teeth from the internal engagement teeth, then rotating the rotating ring, sliding the sliding rod in the sliding hole and driving the fixed block to move inwards until the fixed block clamps and fixes the material cylinder; and then the external force is removed, the positioning ring moves up to the initial position under the action of the second spring, and the external meshing teeth and the internal meshing teeth are meshed again, so that the rotating ring is locked circumferentially, and the stability of the fixing block on the clamping action of the material collet is ensured.

The utility model also comprises other components which can enable the stirring mechanism of the dispersing machine for the laboratory to be normally used, and the stirring mechanism is a conventional technical means in the field. In addition, the devices or components not defined in the present utility model are all conventional in the art.

According to the utility model, the driving shaft is arranged to realize rapid installation and disassembly of the stirring shaft, so that the cleaning and replacement convenience of the stirring shaft is improved; simultaneously, the fixing component is arranged, different material barrels can be fixed, and the stirring requirements of different quantities of different materials are met.

Drawings

Fig. 1 is a schematic structural view of the present embodiment.

Fig. 2 is an axial cross-sectional view of the drive shaft and the coupling sleeve of fig. 1.

Fig. 3 is a cross-sectional view taken along A-A of the connecting sleeve of fig. 2.

Fig. 4 is a top view of the securing assembly of fig. 1.

Fig. 5 is a B-B cross-sectional view of fig. 4.

In the figure: 1. a base; 2. a support rod; 3. a fixing seat; 4. a drive shaft; 5. a stirring shaft; 6. a sliding sleeve; 7. positioning a jackscrew; 8. a cavity; 9. a pushing block; 10. a threaded rod; 11. a connecting block; 12. a first spring; 13. a fixing ring; 14. a rotating ring; 15. a connecting sleeve; 16. a clamping groove; 17. a positioning groove; 18. a positioning ring; 19. a fixed block; 20. a slide hole; 21. a slide bar; 22. an external engagement tooth; 23. and a second spring.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples

Referring to fig. 1-5, a stirring mechanism of a laboratory disperser, the disperser comprises a base 1 and a supporting rod 2 connected to the base 1, the stirring mechanism comprises a fixed seat 3, a driving shaft 4 and a stirring shaft 5, the fixed seat 3 is connected with a sliding sleeve 6, the sliding sleeve 6 is slidingly arranged on the outer side of the supporting rod, a positioning jackscrew 7 used for positioning is arranged on the sliding sleeve 6, the driving shaft 4 is rotationally connected to the fixed seat 3 and is connected with a driving assembly, a cavity 8 is arranged on the driving shaft 4, a conical push block 9 is arranged in the cavity 8, the push block 9 is connected with a threaded rod 10, the threaded rod 10 is in threaded connection with the driving shaft 4, a plurality of first through holes are uniformly arranged on the side wall of the cavity 8 along the circumferential direction, a connecting block 11 is arranged in the first through holes, the connecting block 11 is connected to the driving shaft 4 through a spring 12, the end part of the connecting block 11 is provided with an inclined plane matched with and abutted to the outer conical surface of the push block 9, a connecting sleeve 15 is arranged on the stirring shaft 5, and a clamping groove 16 matched with the connecting block 11 is arranged on the inner wall of the connecting sleeve 15.

In the embodiment, two connecting blocks 11 are arranged, a first spring 12 is sleeved outside the connecting blocks, an outer blocking edge is arranged on the connecting blocks 11, and two ends of the first spring 12 are respectively connected with the side wall of the cavity 8 and the outer blocking edge; an internal threaded hole in threaded fit with a threaded rod 10 is formed in the top wall of the cavity 8, and the threaded rod 10 penetrates through the internal threaded hole; the stirring shaft 5 is connected with a dispersing disc, and dispersing blades are arranged on the dispersing disc.

The heights of the stirring shaft 5 and the dispersing disc can be adjusted by sliding the sliding sleeve 6 along the supporting rod 2, and the positioning jackscrews are screwed for positioning after the heights are adjusted.

When the stirring shaft 5 is installed, the connecting sleeve 15 is sleeved on the outer side of the driving shaft 4, the threaded rod 10 is rotated, the push block 9 moves downwards and acts on the connecting blocks 11 through the outer conical surface, so that the connecting blocks 11 outwards move against the elastic force of the first spring 12 until the two connecting blocks 11 are clamped into the clamping grooves and the groove walls of the clamping grooves are tightly propped up, and the stirring shaft 5 is installed. When the dispersing machine works, the driving assembly drives the driving shaft 4 to rotate, and the connecting sleeve 15 and the stirring shaft 5 rotate along with the driving shaft 4, so that stirring and dispersing of materials are realized.

This kind of connected mode of this embodiment can realize the quick installation and the dismantlement of (mixing) shaft, has improved the (mixing) shaft after using greatly, dispersion blade carries out abluent convenience, also conveniently changes different (mixing) shafts simultaneously in order to satisfy the dispersion demand of different materials.

The driving assembly comprises a stirring motor, a driving gear and a driven gear, wherein the stirring motor is fixed on the fixed seat 3, the driving gear is connected with the stirring motor, and the driven gear is connected to the driving shaft 4 and meshed with the driving gear.

The driving shaft 4 is provided with a positioning block, and the inner wall of the connecting sleeve 15 is provided with a positioning groove 17 matched with the positioning block.

When the connecting sleeve 15 is installed, the positioning groove is rotated to a position corresponding to the positioning block, so that the clamping groove corresponds to the connecting block 11, and the connecting sleeve 15 can be positioned by the arrangement, so that the installation is convenient.

The base 1 is provided with a fixing component, the fixing component comprises a fixing ring 13, a rotating ring 14 and a positioning ring 18, the fixing ring 13 is fixed on the base 1 and is coaxially arranged with a driving shaft 4, a plurality of through holes II are uniformly formed in the circumference of the fixing ring 13, a fixing block 19 is arranged in the through holes II in a sliding mode, the rotating ring 14 is rotationally connected to the outer side of the fixing ring 13, a sliding hole 20 is formed in the rotating ring 14 corresponding to the fixing block 19, a sliding rod 21 is arranged in the sliding mode in the sliding hole 20, the sliding rod 21 is connected to the corresponding fixing block 19, external meshing teeth 22 which are annularly distributed are formed in the outer edge of the rotating ring 14, the positioning ring 18 is arranged on the outer side of the rotating ring 14 and is connected to the base 1 through springs II 23, and inner meshing teeth meshed with the external meshing teeth 22 are formed in the inner side of the positioning ring 18.

In the embodiment, four fixed blocks are arranged, and sliding holes extend from the inner side of the rotating ring to the edge of the rotating ring; the fixing seat 3 is connected with a guide rod for guiding the lifting of the positioning ring 18, the positioning ring 18 is provided with a guide hole which is in sliding fit with the guide rod, and the second spring 23 is sleeved on the outer side of the guide rod.

The fixed subassembly is used for fixing the material section of thick bamboo. The working principle is as follows: placing the material cylinder on the inner side of the fixed ring 13, applying external force to move the positioning ring 18 downwards to separate the external engagement teeth 22 from the internal engagement teeth, then rotating the rotating ring 14, sliding the sliding rod 21 in the sliding hole 20 and driving the fixed block 19 to move inwards until the fixed block 19 clamps and fixes the material cylinder; and then the external force is removed, the positioning ring 18 moves up to the initial position under the action of the second spring 23, and the external meshing teeth 22 are meshed with the internal meshing teeth again, so that the rotating ring 14 is locked circumferentially, and the stability of the clamping action of the fixed block 19 on the material collet is ensured.

When the material cylinder is fixed, the heights of the dispersing disc and the stirring shaft can be adjusted through the sliding sleeve, so that the dispersing disc and the stirring shaft can be moved to a position which does not influence the placement of the material cylinder.

The embodiments of the present utility model have been described above, the description is illustrative, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.

Claims (4)

1. Stirring mechanism of dispersion machine for laboratory, dispersion machine includes the base and connects the bracing piece on the base, its characterized in that: the stirring mechanism comprises a fixed seat, a driving shaft and a stirring shaft, wherein the fixed seat is connected with a sliding sleeve, the sliding sleeve is arranged on the outer side of a supporting rod in a sliding manner, a positioning jackscrew used for positioning is arranged on the sliding sleeve, the driving shaft is rotationally connected to the fixed seat and is connected with a driving assembly, a cavity is formed in the driving shaft, a conical push block is arranged in the cavity and is connected with a threaded rod, the threaded rod is in threaded connection with the driving shaft, a plurality of first through holes are uniformly formed in the side wall of the cavity along the circumferential direction, a connecting block is arranged in the first through holes in a sliding manner, the connecting block is connected to the driving shaft through a first spring, the end part of the connecting block is provided with an inclined surface matched with and abutted to the outer conical surface of the push block, and a connecting sleeve is arranged on the stirring shaft, and a clamping groove matched with the connecting block is formed in the inner wall of the connecting sleeve.

2. A stirring mechanism of a laboratory disperser according to claim 1, characterized in that: the driving assembly comprises a stirring motor, a driving gear and a driven gear, wherein the stirring motor is fixed on the fixed seat, the driving gear is connected with the stirring motor, and the driven gear is connected to the driving shaft and meshed with the driving gear.

3. A stirring mechanism of a laboratory disperser according to claim 1, characterized in that: the driving shaft is provided with a positioning block extending along the radial direction of the driving shaft, and the inner wall of the connecting sleeve is provided with a positioning groove matched with the positioning block.

4. A stirring mechanism of a laboratory disperser according to claim 1, characterized in that: the fixed assembly comprises a fixed ring, a rotating ring and a positioning ring, wherein the fixed ring is fixed on the base and is coaxially arranged with a driving shaft, a plurality of through holes II are uniformly formed in the fixed ring along the circumferential direction, a fixed block is arranged in the through holes II in a sliding mode, the rotating ring is rotationally connected to the outer side of the fixed ring, sliding holes are formed in the rotating ring corresponding to the fixed block, sliding rods are slidably arranged in the sliding holes, the sliding rods are connected to the corresponding fixed blocks, external meshing teeth which are annularly distributed are arranged on the outer edge of the rotating ring, the positioning ring is arranged on the outer side of the rotating ring and is connected to the base through springs II, and inner meshing teeth which are meshed with the external meshing teeth are arranged on the inner side of the positioning ring.