CN208599519U - Polyamic acid solution agitating paddle - Google Patents

Abstract

The utility model discloses polyamic acid solution agitating paddles, with agitating shaft, it is characterized by: being equipped with anchor formula stirring frame in the middle part of the agitating shaft, one or more tiltedly leaf stirring groups are installed on the agitating shaft and below the anchor formula stirring frame, the oblique leaf stirring group includes the first oblique leaf and the second oblique leaf, the first oblique leaf and the second oblique leaf are separately positioned on the left and right sides of the agitating shaft, the first oblique leaf and the agitating shaft are perpendicular, 30-60 ° of angle is formed between the second oblique leaf and the agitating shaft, the thickness of the outer rim of the first oblique leaf and the described second oblique leaf is respectively less than the thickness in the middle part of it.The polyamic acid solution stirring slurry of the utility model can more uniformly stir polyamic acid solution, and stirring rate is high, effectively reduces the consumption of electric energy and the abrasion of machine.

Description

Polyamic acid solution agitating paddle

Technical field

The utility model relates to blender fields, and in particular to polyamic acid solution agitating paddle.

Background technique

Kapton has good thermal conductivity and insulating properties, is widely used in the various fields such as aerospace.Make For the precursor solution for preparing Kapton, polyamic acid solution with reaction carry out viscosity build, it is therefore desirable to pass through Stirring etc. makes polyamic acid solution viscous consistency, to produce the Kapton of high-quality.Existing polyamic acid solution It is mostly blade stirrer paddle or anchor formula stirring slurry with agitating paddle, the blade of blade stirrer paddle is mostly to be vertically installed at agitating shaft one Side can generate biggish resistance, therefore need biggish driving force, not only power consumption, but also blade is in long-term use when stirring Be easily damaged, polyamic acid solution also can viscosity it is uneven, influence quality of forming film；And anchor formula stirring slurry cannot be used for stirring blocky original Material, and due to its special construction, need the stirring material according to different viscosities to design different leaf diameters, to guarantee that Ye Jinghe is stirred The internal diameter ratio of device is mixed in corresponding range, moreover, in order to increase stirring range and take away the residual on blender inner wall The anchor outer frame side of object or liquid layer, anchor formula stirring slurry will cause this anchor formula stirring slurry in blender close to the inner wall of blender Biggish flow can be generated when mobile, and horizontal rotation stream is dominant, cannot good uniform stirring stir material, especially It is the part stirring material near agitating shaft, is hardly stirred paddle and is stirred, significantly impact mixing effect, so as to cause poly- Amic acid solution viscosity is uneven, influences quality of forming film, is unfavorable for producing the Kapton of high quality.

In addition to this, after stirring paddle stirring in the prior art, the phenomenon that raw material sedimentation is generated in blender, drop are easy Reaction effect between low raw material.

Utility model content

In view of the deficiency of background technique, high, stirring that the technical problem to be solved by the utility model is to provide stirring efficiencies The good polyamic acid solution agitating paddle of effect.

To realize the above-mentioned technical purpose, the utility model provides following technical solution:

Polyamic acid solution agitating paddle has agitating shaft, it is characterised in that: is equipped with anchor formula in the middle part of the agitating shaft and stirs Frame is mixed, one or more tiltedly leaf stirring groups, the oblique leaf are installed on the agitating shaft and below the anchor formula stirring frame Stirring group includes the first oblique leaf and the second oblique leaf, and the first oblique leaf and the second oblique leaf are separately positioned on the left and right of the agitating shaft Two sides, the first oblique leaf and the agitating shaft are perpendicular, and 30-60 ° of folder is formed between the second oblique leaf and the agitating shaft The thickness of the outer rim of angle, the first oblique leaf and the described second oblique leaf is respectively less than the thickness in the middle part of it.

One oblique leaf stirring group is installed in the agitating shaft bottom end.

The first oblique leaf and the second oblique leaf are welded on the left and right sides of the agitating shaft.

The first oblique leaf and the second oblique leaf are removably mounted on the left and right sides of the agitating shaft.

The first oblique leaf is mounted on the first axle that cross section is semi-circular shape and puts on, and the second oblique leaf is mounted on and institute It states on the second axle sleeve that the first axle sleeve matches, first axle sleeve and second axle sleeve are removably jointly mounted to described On the outer peripheral surface of agitating shaft.

The first axle is placed on inner wall equipped with the first limiting slot, and second axle sleeve is equipped with the second limiting slot, institute in inner wall The periphery wall for stating agitating paddle is equipped with the first limited block corresponding with first limiting slot, second limiting slot and second Limited block.

Shape angle at 45 ° between the second oblique leaf and the agitating shaft.

The width and length of the first oblique leaf and the described second oblique leaf are all the same, and the width of the anchor formula stirring frame is institute Twice for stating the width of the first oblique leaf.

After the above technical solution is adopted, the beneficial effects of the utility model are: by installing anchor formula up and down on agitating shaft Stirring frame and oblique leaf stirring group effectively enhance stirring rate and mixing effect to the polyamic acid solution in blender, pass through The the first oblique leaf and the second oblique leaf of oblique leaf stirring group enhance the stirring to the polyamic acid solution near agitating shaft, make blender Interior polyamic acid solution not only forms flowing in the horizontal direction, also forms flowing in the vertical direction, guarantees that material can It stirs evenly, advantageously forms the polyamic acid solution of viscous consistency；In addition, can also prevent the material of stirrer bottom from settling Phenomenon improves the safety of equipment operation.

Detailed description of the invention

The utility model has following attached drawing:

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the stereoscopic schematic diagram of the bottom of the utility model.

Specific embodiment

As shown in Figure 1 and Figure 2, polyamic acid solution agitating paddle, can be stirred to several reaction masses in blender makes It is sufficiently reacted, and with agitating shaft 1, anchor formula stirring frame 2 is equipped in the middle part of the agitating shaft 1, anchor formula stirring frame 2 can be to material The agitation in horizontal direction is carried out, is equipped on the agitating shaft 1 and below the anchor formula stirring frame 2 one or more oblique Leaf stirring group 3 is equipped with an oblique leaf stirring group 3 in 1 bottom end of agitating shaft in the present embodiment.The oblique leaf stirring group 3 Including the first oblique leaf 31 being inclined to set with vertical plane and the second oblique leaf 32, the first oblique leaf 31 and the second oblique leaf 32 are distinguished It is oppositely arranged on the left and right sides of the agitating shaft 1, the first oblique leaf 31 and the agitating shaft 1 are perpendicular, and described second tiltedly 30-60 ° of angle is formed between leaf 32 and the agitating shaft 1, in the present embodiment, the second oblique leaf 32 and the agitating shaft 1 Between shape angle at 45 °.Such structure drives the polyamic acid solution of its surrounding to carry out when can guarantee the rotation of oblique leaf stirring group 3 Under stir, even if the rate of feeding of raw material is too fast, the reactant polyamic acid solution that will not be resulted in is attached on raw material The phenomenon that, guarantee that the reaction in blender is normally carried out.Since the first oblique leaf 31 of oblique leaf stirring group 3 and the second oblique leaf 32 enhance The stirring of polyamic acid solution near agitating shaft 1 is contacted, makes stirring material in blender not only in the horizontal direction It is formed and is flowed, also form flowing in the vertical direction, guarantee that polyamic acid solution can stir evenly and then formation viscosity is uniform Polyamic acid solution, promote reaction it is more abundant, effectively improve the quality of production of Kapton；The first oblique leaf 31 It is respectively less than the thickness in the middle part of it with the thickness of the outer rim of the described second oblique leaf 32, and outer rim is partially thin, can so assign the first oblique leaf 31 and second oblique 32 shearing force of leaf also can be broken even if the raw material of stirring is blocks of solid, not only there is good stirring to imitate Fruit, and operator is not required to pre-process raw material, for example block stock material can direct plunge into stirring without crush In device；The width and length of the first oblique leaf 31 and the described second oblique leaf 32 are all the same, and the width of the anchor formula stirring frame 2 is Twice of the width of the first oblique leaf 31.When installation, oblique leaf stirring group 3 is close to the bottom of blender, to guarantee blender Material sedimentation phenomenon will not be formed on bottom, so that polyamic acid solution viscosity be prevented to be mutated, guarantee the normal operation of equipment.

The first oblique leaf 31 and the second oblique leaf 32 can weld in the left and right sides of the agitating shaft 1, can also can Releasably it is mounted on the left and right sides of the agitating shaft 1.In the present embodiment, the described first oblique leaf 31 and the second oblique leaf 32 It is removably mounted on the left and right sides of the agitating shaft 1, specifically: it is semicircular ring that the first oblique leaf 31, which is mounted on cross section, On first axle sleeve 4 of shape, the second oblique leaf 32 is mounted on the second axle sleeve 5 matched with first axle sleeve 4, and described One axle sleeve 4 and second axle sleeve 5 are removably jointly mounted on the outer peripheral surface of the agitating shaft 1 by wearing axle bolt.

In order to make the first axle sleeve 31 and the second axle sleeve 32 are firm to be accurately fitted on agitating shaft 1, first axle sleeve 4 in Inner wall is equipped with the first limiting slot, and second axle sleeve 5 is equipped with the second limiting slot in inner wall, the periphery wall of the agitating paddle be equipped with First limiting slot, corresponding first limited block 311 of second limiting slot and the second limited block.

To sum up, whole equipment energy conservation and environmental protection, by installing anchor formula stirring frame 2 and oblique leaf stirring group 3 up and down on agitating shaft 1 The stirring rate and mixing effect to the polyamic acid solution in blender are effectively enhanced, in addition, blender bottom can also be prevented The material sedimentation phenomenon in portion improves the safety of equipment operation.

Claims (8)

1. polyamic acid solution agitating paddle has agitating shaft, it is characterised in that: be equipped with anchor formula stirring in the middle part of the agitating shaft Frame is equipped with one or more tiltedly leaf stirring group, the oblique leaves on the agitating shaft and below the anchor formula stirring frame and stirs Mixing group includes the first oblique leaf and the second oblique leaf, and the first oblique leaf and the second oblique leaf are separately positioned on the left and right two of the agitating shaft Side, the first oblique leaf and the agitating shaft are perpendicular, and 30-60 ° of angle is formed between the second oblique leaf and the agitating shaft, The thickness of the outer rim of the first oblique leaf and the described second oblique leaf is respectively less than the thickness in the middle part of it.

2. polyamic acid solution agitating paddle according to claim 1, it is characterised in that: installed in the agitating shaft bottom end There is an oblique leaf stirring group.

3. polyamic acid solution agitating paddle according to claim 1, it is characterised in that: the first oblique leaf and described Two oblique leaves are welded on the left and right sides of the agitating shaft.

4. polyamic acid solution agitating paddle according to claim 1, it is characterised in that: the first oblique leaf and described Two oblique leaves are removably mounted on the left and right sides of the agitating shaft.

5. polyamic acid solution agitating paddle according to claim 4, it is characterised in that: the first oblique leaf is mounted on cross Section is that the first axle of semi-circular shape is put on, and the second oblique leaf is mounted on the second axle sleeve matched with first axle sleeve On, first axle sleeve and second axle sleeve are removably jointly mounted on the outer peripheral surface of the agitating shaft.

6. polyamic acid solution agitating paddle according to claim 5, it is characterised in that: the first axle is placed on inner wall and sets There is the first limiting slot, second axle sleeve is equipped with the second limiting slot in inner wall, and the periphery wall of the agitating paddle is equipped with and described the One limiting slot, the corresponding the first limit block and the second limit block of second limiting slot.

7. polyamic acid solution agitating paddle according to claim 1, it is characterised in that: the second oblique leaf is stirred with described Mix the angle at 45 ° of shape between axis.

8. polyamic acid solution agitating paddle according to claim 1, it is characterised in that: the first oblique leaf and described the The width and length of two oblique leaves are all the same, and the width of the anchor formula stirring frame is twice of the width of the described first oblique leaf.