CN209917659U

CN209917659U - Batch mixing machine

Info

Publication number: CN209917659U
Application number: CN201920646249.8U
Authority: CN
Inventors: 王钒入
Original assignee: Huading Guolian Sichuan Battery Material Co Ltd
Current assignee: Huading Guolian Sichuan Battery Material Co Ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-01-10
Anticipated expiration: 2029-05-07

Abstract

The utility model discloses a batch mixer, a plurality of impellers have been installed with the mode of slope to its bottom inboard at U type barrel, have set gradually first blade, second blade, third blade from last to down in the pivot of impeller, and first blade and second blade are the isosceles trapezoid shape of inversion and the two is the cross, and the third blade wholly is the S type. According to the batch mixer provided by the embodiment, the impeller generates an upward lifting force in the working process, the lower-layer material is stirred up, the material rises, and falls after being mixed with other materials through the spiral belt, so that a mixing dead angle is avoided, the mixing consistency is better, and the non-uniformity of mixing is avoided; moreover, the impeller can enable the materials to be upward thrown to the axis of the batch mixer, and when the excess materials are discharged, the impeller is opened to close the spiral belt, so that most of the excess materials can be discharged from the discharging port, manual cover opening and discharging are not needed, the labor cost is saved, and the material waste is avoided.

Description

Batch mixing machine

Technical Field

The utility model relates to an agitated vessel technical field, concretely relates to batch mixer.

Background

The batch mixer uniformly mixes materials in different batches together, so that the consistency of the material batches is ensured, and the consistency is good only if the materials mixed in batches once are as much as possible. The volume of the current batch mixer is 5.5m³In the process of trial production, the batch mixing amount is generally about 700 and 800kg and reaches 1.5t at most, so that two problems occur:

1. the mixing is started after all materials enter the batch mixer, the materials which enter the batch mixer at first sink to the bottom of the batch mixer, the diameter of the ribbon mixer is much smaller than the inner diameter of the mixer, mixing dead angles can occur in the mixing process, and the materials below the ribbon are in the range where the ribbon cannot be stirred, so that the materials are mixed unevenly.

2. The feed opening of the batch mixer is too small, so that 200-300kg of material residues exist in each batch of mixed materials, the mixed materials cannot be fed into a packaging room, and only people can enter the batch mixer after production and clear the mixed materials to the feed opening by hands or other tools, so that the manpower and material waste is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can avoid appearing mixing dead angle and material remaining to make the material mix more evenly, and the batch of the unloading of being convenient for mixes machine.

In order to achieve the above object, the present invention provides the following technical solutions:

a batch mixer comprises a U-shaped cylinder, wherein a plurality of impellers are uniformly arranged on the inner side of the bottom of the U-shaped cylinder, a horizontal tangent plane can be formed at the intersection of a rotating shaft on each impeller and the bottom of the U-shaped cylinder, and an included angle of 30-60 degrees is formed between the central axis of the rotating shaft on each impeller and the horizontal tangent plane; each impeller is driven by a motor;

the impeller consists of a rotating shaft and a first blade, a second blade and a third blade which are coaxially connected with the rotating shaft and are sequentially arranged from top to bottom along the axial direction;

the first blades comprise first straight plate parts and first inclined plate parts, the first straight plate parts are coaxially connected with the rotating shaft, two ends of each first straight plate part are symmetrically arranged relative to the central axis of the rotating shaft, two first inclined plate parts extending upwards are respectively arranged at two ends of each first straight plate part, an obtuse included angle is formed between each first inclined plate part and each first straight plate part, and the two first inclined plate parts are symmetrically arranged relative to the central axis of the rotating shaft;

the second blade comprises a second straight plate part and a second inclined plate part, the second straight plate part is coaxially connected with the rotating shaft, two ends of the second straight plate part are symmetrically arranged relative to the central axis of the rotating shaft, the second straight plate part is positioned below the first straight plate part, the second straight plate part and the first straight plate part are arranged in a cross shape, obtuse included angles are formed between the two second inclined plate parts and the second straight plate part, and the two second inclined plate parts are symmetrically arranged relative to the central axis of the rotating shaft;

the third blade is positioned below the second straight plate part and consists of two arc-shaped plate bodies; after the third blade is coaxially connected with the rotating shaft, the two arc-shaped plate bodies are symmetrically and reversely arranged relative to the central axis of the rotating shaft, and the whole third blade is S-shaped.

Preferably, the central axis of the rotating shaft on each impeller forms an included angle of 45 degrees with the horizontal tangent plane.

Preferably, the two first inclined plate parts and the first straight plate part form an included angle of 145 degrees.

Preferably, the two second inclined plate parts and the second straight plate part form an included angle of 145 degrees.

Preferably, the ends of the two arc-shaped plate-shaped bodies far away from the rotating shaft are pointed ends.

Preferably, the thicknesses of the first straight plate portion and the first inclined plate portion of the first blade, the thicknesses of the second straight plate portion and the second inclined plate portion of the second blade, and the thicknesses of the two arc-shaped plate-shaped bodies of the third blade are all 5 mm.

The utility model provides a batch mixer, it has installed a plurality of impellers in the bottom inboard of U type barrel with the mode of slope to the impeller adopts three-layer blade, and in the impeller working process, produces the lift, stirs lower floor's material, and the material rises, falls after the spiral shell area is mixed with other materials, so can not produce the compounding dead angle, also can make the compounding uniformity better, avoided the compounding uneven; moreover, the impeller can enable the materials to be upward thrown to the axis of the batch mixer, and when the excess materials are discharged, the impeller is opened to close the spiral belt, so that most of the excess materials can be discharged from the discharging port, manual cover opening and discharging are not needed, the labor cost is saved, and the material waste is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic front view of a batch mixer provided in an embodiment of the present invention;

fig. 2 is a schematic side sectional view of a batch mixer provided in an embodiment of the present invention;

fig. 3 is a partial schematic view of a U-shaped cylinder and an impeller in a batch mixer provided by an embodiment of the present invention;

fig. 4 is a schematic front view of an impeller in a batch mixer according to an embodiment of the present invention;

fig. 5 is a schematic side view of an impeller in a batch mixer according to an embodiment of the present invention;

fig. 6 is a schematic top view of an impeller in a batch mixer according to an embodiment of the present invention.

Description of reference numerals:

1. a drive mechanism; 2. a helical ribbon stirring mechanism; 3. a sealing device; 4. a U-shaped cylinder body; 5. a machine cover; 6. a machine leg; 7. a feeding port; 8. an impeller; 801. a rotating shaft; 802. a first blade; 8021. a first straight plate portion; 8022. a first sloping plate portion; 803. a second blade; 8031. a second straight plate portion; 8032. a second sloping plate portion; 804. a third blade; 8041. an arc-shaped plate-shaped body.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the number.

As shown in fig. 1 and 2, the conventional batch mixer mainly comprises a driving mechanism 1, a ribbon stirring mechanism 2, a sealing device 3, a U-shaped cylinder 4, a cover 5, a machine foot 6, and a feed opening 7, wherein the cover 5 is covered above the U-shaped cylinder 4, and the feed opening 7 is located at the bottom of the U-shaped cylinder 4.

The improvement of the embodiment is that a plurality of impellers 8 are uniformly arranged on the inner side of the bottom of the U-shaped cylinder 4 as shown in figures 1 and 2. Preferably, four impellers 8 can be symmetrically arranged inside the bottom of the U-shaped barrel 4.

As shown in fig. 3, the intersection of the rotating shaft 801 of each impeller 8 and the bottom of the U-shaped cylinder 4 can be a horizontal section, and an included angle of 30-60 degrees is formed between the central axis of the rotating shaft 801 of each impeller 8 and the horizontal section. Preferably, the central axis of the rotating shaft 801 on each impeller 8 forms an angle of 45 degrees with the horizontal tangent plane.

As shown in fig. 4 to 6, the impeller 8 includes a rotating shaft 801, and a first blade 802, a second blade 803, and a third blade 804 that are coaxially connected to the rotating shaft 801 and are provided in this order from top to bottom in the axial direction.

The first blade 802 includes a first straight plate portion 8021 and a first inclined plate portion 8022, the first straight plate portion 8021 is strip-shaped, the first straight plate portion 8021 is coaxially connected with the rotating shaft 801, and two ends of the first straight plate portion 8021 are symmetrically arranged relative to a central axis of the rotating shaft 801. The two ends of the first straight plate portion 8021 are respectively provided with a first inclined plate portion 8022 extending upwards, an obtuse included angle is formed between each of the two first inclined plate portions 8022 and the first straight plate portion 8021, and the two first inclined plate portions 8022 are symmetrically arranged relative to the central axis of the rotating shaft 801. Preferably, the first sloping plate portions 8022 and the first straight plate portion 8021 both form an angle of 145 °. The first sloping plate portion 8022 is as wide as the first straight plate portion 8021. When the first straight plate portion 8021 and the first sloping plate portion 8022 are connected, the first vane 802 has an inverted isosceles trapezoid shape as a whole.

The second blade 803 includes a second straight plate portion 8031 and a second inclined plate portion 8032, the second straight plate portion 8031 is also strip-shaped, and the second straight plate portion 8031 is coaxially connected to the rotating shaft 801, and two ends of the second straight plate portion 8031 are symmetrically arranged with respect to a central axis of the rotating shaft 801. The second straight plate portion 8031 is located below the first straight plate portion 8021, the second straight plate portion 8031 and the first straight plate portion 8021 are arranged in a cross shape, obtuse included angles are formed between the two second sloping plate portions 8032 and the second straight plate portion 8031, and the two second sloping plate portions 8032 are symmetrically arranged relative to the central axis of the rotating shaft 801. Preferably, the two second sloping plate portions 8032 and the second straight plate portion 8031 both form an angle of 145 °. The second sloping plate portion 8032 is as wide as the second straight plate portion 8031. When the second straight plate portion 8031 and the second inclined plate portion 8032 are connected, the entire second blade 803 also has an inverted isosceles trapezoid shape. The first blade 802 and the second blade 803 have a cross shape.

The third blade 804 is located below the second straight plate portion 8031, and the third blade 804 is composed of two arc-shaped plate-shaped bodies 8041; after the third blade 804 is coaxially connected to the rotating shaft 801, the two arc-shaped plate-shaped bodies 8041 are symmetrically opposite to the central axis of the rotating shaft 801, and the whole third blade 804 is S-shaped. The two arc-shaped plate-shaped bodies 8041 are connected into a whole, and the inner concave surfaces and the outer convex surfaces of the two arc-shaped plate-shaped bodies 8041 are connected, thereby presenting an S-shaped structure. It is further preferred that the ends of the two arc-shaped plate-shaped bodies 8041 far from the rotating shaft 801 are pointed ends, and the arrangement of the pointed end structures helps to reduce the resistance of the impeller 8 in rotation.

The impeller 8 is made of a metal material, preferably stainless steel. The first blade 802 and the second blade 803 may be bent from a single piece of stainless steel plate, while the third blade 804 may be punched from a stainless steel plate. The specific dimensions of the impeller 8 can be seen in detail in fig. 4 to 6, where the dimensions indicated are in mm. It is particularly important to note that the thicknesses of the first straight plate portion 8021 and the first inclined plate portion 8022 in the first blade 802, the thicknesses of the second straight plate portion 8031 and the second inclined plate portion 8032 in the second blade 803, and the thicknesses of the two arc-shaped plate-shaped bodies 8041 in the third blade 804 are all 5 mm.

The batch mixer provided by the embodiment is provided with a plurality of impellers 8 which are arranged at an angle of 45 degrees on the inner side of the bottom of the U-shaped cylinder 4, and the impellers 8 adopt three layers of blades. Each impeller 8 is driven by a motor so that the respective impeller 8 can rotate inside the bottom of the U-shaped cylinder 4. In the working process of the impeller 8, an upward lifting force is generated to stir the lower-layer material, the material rises and falls after being mixed with other materials through the spiral belt, so that a material mixing dead angle is avoided, the material mixing consistency is better, and the uneven material mixing is avoided; moreover, the impeller 8 can enable the materials to be upward thrown to the axis of the batch mixer, and when the excess materials are discharged, the impeller 8 is opened to close the spiral belt, so that most of the excess materials can be discharged from the discharge port 7, manual cover opening and discharging are not needed, the labor cost is saved, and the material waste is avoided.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. A batch mixer comprises a U-shaped cylinder body and is characterized in that a plurality of impellers are uniformly arranged on the inner side of the bottom of the U-shaped cylinder body, a horizontal tangent plane can be made at the intersection of a rotating shaft on each impeller and the bottom of the U-shaped cylinder body, and an included angle of 30-60 degrees is formed between the central axis of the rotating shaft on each impeller and the horizontal tangent plane; each impeller is driven by a motor;

2. The batch mixer of claim 1, wherein the central axis of the shaft on each impeller is at an angle of 45 ° to the horizontal plane.

3. The batch mixer of claim 1, wherein the two first inclined plate portions and the first straight plate portion form an included angle of 145 degrees.

4. The batch mixer of claim 1, wherein the two second inclined plate portions and the second straight plate portion form an included angle of 145 °.

5. The batch mixer of claim 1, wherein the ends of the two arcuate plates distal from the axis of rotation are pointed.

6. The batch mixer of claim 1, wherein the thickness of the first straight plate portion and the first inclined plate portion of the first blade, the thickness of the second straight plate portion and the second inclined plate portion of the second blade, and the thickness of the two arc-shaped plate-shaped bodies of the third blade are all 5 mm.