CN219486234U - Raw material stirring device for polishing pad production - Google Patents

Abstract

The utility model provides a raw material stirring device for producing a polishing pad, which comprises a stirring tank provided with a feed inlet and a discharge outlet and a stirring mechanism arranged in the stirring tank, wherein the feed inlet comprises a solid feed inlet and a liquid feed inlet which are arranged up and down, a dispersing net for receiving solid materials is arranged between the solid feed inlet and the liquid feed inlet in the stirring tank, and the dispersing net is connected with the stirring mechanism and disperses the received solid materials along with stirring rotation and passes through the dispersing net; the stirring mechanism comprises a stirring shaft which is vertically arranged and a plurality of stirring rods which are arranged on the stirring shaft, the stirring rods are equal in length and are vertically fixed with the stirring shaft, and a plurality of auxiliary rods which are parallel to the stirring shaft are further arranged on each stirring rod. The solid feed port and the liquid feed port can be used for feeding materials separately, and the solid materials are fed in a dispersing way through the dispersing net in the feeding process, so that the solid materials can be slowly and dispersedly added into the liquid materials, the solid materials are prevented from being aggregated, the mixing of the solid materials and the liquid materials is facilitated, and the mixing effect of the stirring device is further ensured.

Description

Raw material stirring device for polishing pad production

Technical Field

The utility model relates to the technical field of stirring devices, in particular to a raw material stirring device for producing a polishing pad.

Background

The polishing pad is a polyurethane polishing material with a large number of micropores on the surface, and is also called polyurethane damping cloth. Polyurethane provides excellent softness, elasticity and wear resistance, and micropores are good storage places for polishing liquid, so that the damping cloth has very good polishing effect and is usually used for very high requirements on polishing quality.

Most of the raw materials of the existing polishing pad adopt polyurethane solution to be uniformly stirred and then doped with certain wear-resistant particles, so that rapid polishing is realized. Most of the conventional raw material stirring apparatuses employ a conventional stirring rotary shaft type stirrer or a conventional pump blade type stirrer, and have a structure described in, for example, patent application No. CN202022373660.8 and a raw material mixing apparatus for producing a damping cloth polishing pad. However, since the polishing pad is prepared by mixing liquid and solid materials, and the liquid material and the solid material are simultaneously introduced into the stirring tank and are stacked and then mixed by the stirring shaft, the problem of non-uniform mixing exists, and the problem of non-ideal mixing effect of the conventional raw material stirring device on the raw materials is caused.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides a raw material stirring device for producing a polishing pad, which solves the problem that the stirring device in the prior art has an unsatisfactory mixing effect on stirring solid particles and liquid of the raw material for producing the polishing pad.

According to the embodiment of the utility model, the raw material stirring device for producing the polishing pad comprises a stirring tank provided with a feed inlet and a discharge outlet and a stirring mechanism arranged in the stirring tank, wherein the feed inlet comprises a solid feed inlet and a liquid feed inlet which are arranged up and down, a dispersing net for receiving solid materials is arranged between the solid feed inlet and the liquid feed inlet in the stirring tank, and the dispersing net is connected with the stirring mechanism and disperses the received solid materials along with stirring rotation and passes through the dispersing net; the stirring mechanism comprises a stirring shaft which is vertically arranged and a plurality of stirring rods which are arranged on the stirring shaft, the stirring rods are equal in length and are vertically fixed with the stirring shaft, and a plurality of auxiliary rods which are parallel to the stirring shaft are further arranged on each stirring rod.

Further, the upper end of the stirring shaft penetrates through the top of the stirring tank and is connected with a driving motor;

the dispersing net is horizontally erected in the stirring tank and is arranged in a clearance with the inner wall of the stirring tank, and the stirring shaft penetrates through the dispersing net and is fixed with the dispersing net.

Further, the liquid feed inlet feed end is communicated with a feed hopper, and the solid feed inlet feed end is communicated with a screw conveyor.

Further, the discharge opening is arranged at the bottom of the stirring tank and is connected with a discharge pipe, and the stirring tank is supported by a bracket.

Further, still include reinforcing component, reinforcing component is including being close to the mounting panel that (mixing) shaft upper end and (mixing) shaft rotated and be connected and set up at least one lift cylinder between mounting panel and the outer top of agitator tank.

Further, a plurality of stirring rods are arranged from top to bottom along the stirring shaft,

and the projections of the movement paths of the two ends of any stirring rod are not overlapped with the projections of the movement paths of the two ends of the adjacent stirring rod.

Further, an extension tube is arranged at the discharge end of the solid feed inlet, and the extension tube is positioned above the dispersion net.

The technical principle of the utility model is as follows: when two materials are required to be mixed, the liquid material is firstly guided into the stirring tank from the liquid feed inlet, the stirring mechanism is started, the stirring mechanism rotates to drive the dispersing net to rotate, the metered solid material is fed from the solid feed inlet, the solid material is guided into the stirring tank from the solid feed inlet and is received through the dispersing net, the dispersing net rotates to disperse the solid material received on the dispersing net (under the action of centrifugal force), and as the meshes are arranged on the dispersing net, the small granular solid material passes through the meshes of the dispersing net and falls into the liquid material, and is mixed under the action of the stirring mechanism, the mixed material is guided out of the stirring tank from the discharge opening, and the next treatment is performed.

Compared with the prior art, the utility model has the following beneficial effects: the solid feed port and the liquid feed port can be used for feeding materials separately, and the solid materials are fed in a dispersing way through the dispersing net in the feeding process, so that the solid materials can be slowly and dispersedly added into the liquid materials, the solid materials are prevented from being aggregated, the mixing of the solid materials and the liquid materials is facilitated, and the mixing effect of the stirring device is further ensured.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

In the above figures: 1. a driving motor; 2. a mounting plate; 3. a lifting cylinder; 4. an extension tube; 5. a screw conveyor; 6. a stirring rod; 7. an auxiliary lever; 8. a bracket; 9. a discharge tube; 10. a dispersion net; 11. a feed hopper; 12. a stirring tank; 13. a stirring shaft.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

Example 1

As shown in fig. 1, an embodiment of the present utility model provides a raw material stirring device for producing polishing pads, which includes a stirring tank 12 provided with a feed inlet and a discharge outlet, and a stirring mechanism disposed in the stirring tank 12. The stirring tank 12 is vertically arranged and is supported by a bracket 8 arranged at the bottom; in order to facilitate the unloading of the mixed materials, the unloading opening is arranged at the bottom of the stirring tank 12 and is connected with a unloading pipe 9, and a valve is arranged on the unloading pipe 9, so that the unloading and the mixing of the stirring tank 12 are facilitated. The stirring mechanism comprises a stirring shaft 13 which is vertically arranged and a plurality of stirring rods 6 which are arranged on the stirring shaft 13, and the upper end of the stirring shaft 13 penetrates through the top of the stirring tank 12 and is connected with a driving motor 1. The rotation of the driving motor 1 can drive the stirring shaft 13 and the stirring rods 6 on the stirring shaft 13 to rotate, so that materials entering the stirring tank 12 are mixed.

As shown in fig. 1, since the stirring device provided by the utility model is mainly used for stirring the raw materials of the polishing pad, and the raw materials of the polishing pad comprise liquid materials and solid materials, the problems of insufficient mixing and unsatisfactory mixing effect of the stacked solid materials and liquid materials exist in the prior art due to structural defects, and therefore, the feed inlet comprises a solid feed inlet and a liquid feed inlet which are arranged up and down; the solid feed port and the liquid feed port are arranged so as to be convenient for separate feeding of liquid materials and solid materials, but the solid materials can be dispersed in the liquid materials in the feeding process, so that the mixing effect of the stirring device on raw materials is improved. For making dispersion net 10 and rabbling mechanism's more adaptation, also be convenient for the solid material to disperse as far as possible, also not influence the use of dispersion net 10, dispersion net 10 horizontal erection is in agitator tank 12 with agitator tank 12 inner wall clearance setting (the clearance is greater than the granule particle diameter of solid material, avoids the too little solid particle of messenger's clearance to pile up in the clearance, influences the rotation of dispersion net 10), (stirring) shaft 13 runs through dispersion net 10 and dispersion net 10 fixedly.

When in use, the utility model is characterized in that: when two materials are required to be mixed, the liquid material is firstly guided into the stirring tank 12 from the liquid feed inlet, the stirring mechanism is started, the stirring mechanism rotates to drive the dispersing net 10 to rotate, the metered solid material is fed from the solid feed inlet, the solid material is guided into the stirring tank 12 from the solid feed inlet and is received through the dispersing net 10, the dispersing net 10 rotates to disperse the solid material received on the dispersing net (under the action of centrifugal force), and the small granular solid material passes through the meshes of the dispersing net 10 to fall into the liquid material due to the meshes on the dispersing net 10, is mixed under the action of the stirring mechanism, and the mixed material is guided out of the stirring tank 12 from the discharge opening for further treatment.

The solid feed inlet and the liquid feed inlet can be used for feeding materials separately, and the solid materials are fed in a dispersing way through the dispersing net 10 in the feeding process, so that the solid materials can be slowly and dispersedly added into the liquid materials, the aggregation of the solid materials is avoided, the mixing of the solid materials and the liquid materials is facilitated, and the mixing effect of the stirring device is further ensured.

As shown in fig. 1, in order to facilitate the smooth introduction of the liquid material into the stirring tank 12, the feeding end of the liquid feeding port is communicated with the feeding funnel 11, the upper end of the feeding funnel 11 may be higher than the top of the stirring tank 12 or flush with the top of the stirring tank 12, so as to facilitate the pumping of the liquid material or the introduction of the metering liquid material controlled by the valve, and the lower end of the feeding funnel 11 is communicated with the liquid feeding port so as to enable the smooth introduction of the liquid material into the stirring tank 12. Since the solid materials also need to be metered, in order to facilitate the metering and smooth introduction of the solid materials into the stirring tank 12, the feeding end of the solid feed inlet is communicated with the screw conveyor 5. The screw conveyor 5 is of the prior art and is mainly used for metering feeding, and the model of the screw conveyor can be LS model, LSY model and the like. The screw conveyor 5 is used for facilitating the metering and feeding of the solid materials. In order to enable the solid materials led out from the solid feed inlet to fall on the dispersion net 10 as much as possible, the utility model is provided with an extension pipe 4 at the discharge end of the solid feed inlet, and the extension pipe 4 is positioned above the dispersion net 10. Through the extension pipe 4 that sets up, can ensure as far as possible that the solid material that leads into in the agitator tank 12 all drops to dispersion net 10, the dispersion of dispersion net 10 to the solid material of being convenient for.

Example two

As shown in fig. 1, in the first embodiment, since the solid materials are easy to sink during mixing, in order to improve the mixing effect of the stirring mechanism on the raw materials, the embodiment further includes a reinforcing component, where the reinforcing component includes a mounting plate 2 rotationally connected to the stirring shaft 13 near the upper end of the stirring shaft 13, and at least one lifting cylinder 3 disposed between the mounting plate 2 and the top outside the stirring tank 12. The mounting plate 2 is horizontally arranged, the stirring shaft 13 penetrates through the mounting plate 2 and is rotationally connected with the mounting plate 2 through a bearing, two lifting cylinders 3 are arranged between the mounting plate 2 and the outer top of the stirring tank 12, and the two lifting cylinders 3 are symmetrically arranged along the stirring shaft 13, so that the stirring shaft 13 can rotate under the action of the driving motor 1 and can move up and down under the action of the two lifting cylinders 3 which can lift at the same frequency, the stirring mechanism can effectively mix raw materials in the stirring tank 12 vertically and transversely, and the mixing effect of the stirring device is further ensured.

Example III

As shown in fig. 1, in order to further perform the mixing effect of the stirring rod 6 on the raw materials on the basis of the first or second embodiment, in this embodiment, a plurality of stirring rods 6 are arranged from top to bottom along the stirring shaft 13, the plurality of stirring rods 6 are equal in length and are all vertically fixed to the stirring shaft 13, and the projections of the movement paths of the two ends of any stirring rod 6 do not overlap with the projections of the movement paths of the two ends of the adjacent stirring rods 6. The materials of each ring layer of the stirring tank 12 along the stirring shaft 13 direction from top to bottom can be mixed by the stirring rods 6 which are arranged in a staggered manner, so that the mixing effect of the stirring rods 6 is improved.

The above-mentioned multiple stirring rods 6 are mainly used for enhancing the mixing effect in the transverse direction, and in order to further enhance the mixing effect from the vertical direction, a plurality of auxiliary rods 7 parallel to the stirring shaft 13 are further arranged on each stirring rod 6 in the embodiment. The auxiliary rod 7 is used, so that the whole stirring mechanism can also enhance the mixing of the raw materials in the vertical direction, and the stirring device has better mixing effect on the raw materials.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims (7)

1. The utility model provides a polishing pad production is with raw materials agitating unit, including being equipped with feed inlet and the agitator tank of discharge opening and the rabbling mechanism who sets up in the agitator tank, its characterized in that: the stirring tank is internally provided with a stirring mechanism, wherein the stirring mechanism is connected with the stirring mechanism, and the stirring mechanism is used for stirring the solid materials to be stirred;

the stirring mechanism comprises a stirring shaft which is vertically arranged and a plurality of stirring rods which are arranged on the stirring shaft, the stirring rods are equal in length and are vertically fixed with the stirring shaft, and a plurality of auxiliary rods which are parallel to the stirring shaft are further arranged on each stirring rod.

2. A raw material stirring apparatus for producing a polishing pad as set forth in claim 1, wherein: the upper end of the stirring shaft penetrates through the top of the stirring tank and is connected with a driving motor;

the dispersing net is horizontally erected in the stirring tank and is arranged in a clearance with the inner wall of the stirring tank, and the stirring shaft penetrates through the dispersing net and is fixed with the dispersing net.

3. A raw material stirring apparatus for producing a polishing pad as set forth in claim 2, wherein: the liquid feed inlet feed end is communicated with a feed hopper, and the solid feed inlet feed end is communicated with a screw conveyor.

4. A raw material stirring apparatus for producing a polishing pad as set forth in claim 3, wherein: the discharge opening is arranged at the bottom of the stirring tank and is connected with a discharge pipe, and the stirring tank is supported by a bracket.

5. A raw material stirring device for producing a polishing pad as set forth in any one of claims 2 to 4, wherein: still include reinforcing component, reinforcing component is including being close to the mounting panel of (mixing) shaft upper end and (mixing) shaft rotation connection and setting up at least one lift cylinder between mounting panel and the outer top of agitator tank.

6. A raw material stirring device for producing a polishing pad as set forth in any one of claims 2 to 4, wherein: a plurality of stirring rods are arranged from top to bottom along the stirring shaft,

and the projections of the movement paths of the two ends of any stirring rod are not overlapped with the projections of the movement paths of the two ends of the adjacent stirring rod.

7. A raw material stirring device for producing a polishing pad as set forth in any one of claims 2 to 4, wherein: the solid feed inlet discharge end is equipped with the extension pipe, the extension pipe is located the dispersion net top.