阅读说明：本技术 用于玻璃配合料的混合设备 (Mixing device for glass batch ) 是由 李青 穆美强 郭建军 李清源 陈华杰 李庆功 姚国栋 邱大战 黄志军 郭景书 于 2021-08-09 设计创作，主要内容包括：本发明公开了一种用于玻璃配合料的混合设备,用于玻璃配合料的混合设备包括：机架、至少两组配料装置和混合装置；至少两组配料装置均包括设置在机架上并用于盛放原料的加料器以及与加料器对接的计量机构,加料器被配置为在计量机构内的原料的计量值达到预设值时停止向计量机构提供原料；混合装置设置在机架上,混合装置分别与至少两组配料装置的计量机构对接,混合装置用于将至少两组配料装置的计量机构分别提供的原料进行混合,从而能够精确地控制配置玻璃所需的不同原料的计量值,以提高玻璃配合料的配置精度,并满足超薄柔性玻璃产品的生产要求。(The invention discloses a mixing device for glass batch, which comprises: the device comprises a rack, at least two groups of batching devices and a mixing device; the at least two groups of the batching devices respectively comprise a feeder which is arranged on the rack and used for containing raw materials and a metering mechanism which is in butt joint with the feeder, and the feeder is configured to stop supplying the raw materials to the metering mechanism when the metering value of the raw materials in the metering mechanism reaches a preset value; mixing arrangement sets up in the frame, and mixing arrangement docks with at least two sets of dosing unit's metering mechanism respectively, and mixing arrangement is used for mixing the raw materials that at least two sets of dosing unit's metering mechanism provided respectively to can control the metering value of the required different raw materialss of configuration glass accurately, with the configuration precision that improves the glass batch mixture, and satisfy the production requirement of ultra-thin flexible glass product.)

1. A mixing apparatus for glass batch materials, comprising:

a frame (1);

at least two groups of material distribution devices, wherein each group of material distribution devices comprises a feeder (2) arranged on the rack (1) and used for containing raw materials and a metering mechanism (3) in butt joint with the feeder (2), and the feeder (2) is configured to stop providing the raw materials for the metering mechanism (3) when the metering value of the raw materials in the metering mechanism (3) reaches a preset value; and

mixing arrangement (4), mixing arrangement (4) set up in frame (1), mixing arrangement (4) respectively with at least two sets of dosing unit metering mechanism (3) butt joint, mixing arrangement (4) are used for with at least two sets of dosing unit metering mechanism (3) provide respectively the raw materials mix.

2. A mixing apparatus for glass batch according to claim 1, characterized in that the metering mechanism (3) comprises a metering housing (31) interfacing with the feeder (2) and at least two load cells (32) spaced around the metering housing (31) on the machine frame, the metering housing (31) being suspended from the machine frame (1) by abutment with at least two of the load cells (32).

3. The mixing apparatus for glass batch according to claim 2, characterized in that the metering housing (31) comprises a first cover body (311), a second cover body (312) and a first flexible connecting pipe (313) connecting the first cover body (311) and the second cover body (312), the first cover body (311) is positioned above the second cover body (312), the first cover body (311) is connected with the feeder (2) so that the raw materials in the feeder (2) are guided into the second cover body (312), and supporting blocks (315) which are respectively abutted with the two weighing sensors (32) in a one-to-one correspondence are formed on two sides of the second cover body (312).

4. A mixing apparatus for glass batch according to claim 3, characterized in that the bottom of the second cover (312) is formed with a first opening, the metering mechanism (3) further comprising a first distributing member (33) provided on the second cover (312) corresponding to the first opening and a delivery pipe (34) provided between the first distributing member (33) and the mixing device (4), the first distributing member (33) being used to feed the raw material in the metering housing (31) into the delivery pipe (34) and to guide it into the mixing device (4).

5. A mixing apparatus for glass batch according to claim 4, characterized in that a vibrating member (314) is provided on the second cover (312).

6. Mixing apparatus for glass batch according to claim 4, characterized in that the delivery pipe (34) is connected to the first distribution member (33) by a second flexible connecting pipe (35), the delivery pipe (34) is sleeved outside the second flexible connecting pipe (35), and a sealing ring (36) is arranged between the delivery pipe (34) and the second flexible connecting pipe (35).

7. A mixing apparatus for glass batch according to claim 2, characterized in that the feeder (2) comprises a hopper (21) and a second distribution member (22), a second opening being formed below the hopper (21), the second distribution member (22) being provided on the hopper (21) in correspondence of the second opening and being adapted to feed the raw materials in the hopper (21) into the metering housing (31).

8. The mixing apparatus for glass batch according to any one of claims 1 to 7, characterized in that the mixing device (4) comprises a mixing bin (41) and a rotating motor (42) arranged on the frame (1), and a stirring body (43) in transmission connection with the rotating motor (42), the mixing bin (41) is used for being respectively butted with the metering mechanisms (3) of at least two groups of the batching devices, and the stirring body (43) extends into the mixing bin (41) and is driven by the rotating motor (42) to mix the raw materials in the mixing bin (41).

9. The mixing apparatus for glass batch according to claim 8, characterized in that the mixing device (4) further comprises a pre-mixing bin (44) provided on the frame (1) and a valve body assembly (45) provided at the bottom of the pre-mixing bin (44), the pre-mixing bin (44) being provided above the mixing bin (41), the valve body assembly (45) being configured to close the pre-mixing bin (44) so that the pre-mixing bin (44) receives the raw materials provided by the metering mechanisms (3) from at least two sets of the batching devices, respectively, and to open the pre-mixing bin (44) so that the raw materials in the pre-mixing bin (44) enter the mixing bin (41).

10. The mixing apparatus for glass batch according to claim 8, wherein the mixing chamber (41) forms a mixing space having a cross-sectional area gradually decreasing along a direction from a top of the mixing chamber (41) toward a bottom of the mixing chamber (41), the rotating motor (42) is located above the top, the stirring body (43) comprises a transmission shaft (431) and a plurality of stirring blades (432), the transmission shaft (431) is in transmission connection with the rotating motor (42) and extends into the mixing space from the top, and the plurality of stirring blades (432) are sequentially disposed on the transmission shaft (431) at intervals along the direction from the top toward the bottom.

Technical Field

The invention belongs to the technical field of glass processing, and particularly relates to mixing equipment for glass batch.

Background

Glass is an amorphous inorganic non-metallic material, and is generally prepared by using various inorganic minerals (such as quartz sand, borax, boric acid, barite, barium carbonate, limestone, feldspar, soda ash and the like) as main raw materials and adding a small amount of auxiliary raw materials. The glass is prepared from the batch materials in the processing technology, and the preparation process comprises material selection, material blending and mixing. Meanwhile, along with the favor of the market on ultrathin flexible glass products, higher requirements are also put forward on the configuration precision of glass batch, and the traditional precision of manually configuring the glass batch cannot meet the production requirements of the ultrathin flexible glass products.

Disclosure of Invention

In view of the above-mentioned drawbacks or deficiencies of the prior art, the present invention provides a mixing apparatus for glass batch, which can improve the configuration precision of the glass batch to meet the production requirements of ultra-thin flexible glass products.

In order to achieve the above object, the present invention provides a mixing apparatus for glass batch, wherein the mixing apparatus for glass batch comprises: the device comprises a rack, at least two groups of batching devices and a mixing device; the at least two groups of the batching devices respectively comprise a feeder which is arranged on the rack and used for containing raw materials and a metering mechanism which is in butt joint with the feeder, and the feeder is configured to stop supplying the raw materials to the metering mechanism when the metering value of the raw materials in the metering mechanism reaches a preset value; the mixing arrangement sets up in the frame, and the mixing arrangement docks with at least two sets of dosing unit's metering mechanism respectively, and the mixing arrangement is used for mixing the raw materials that at least two sets of dosing unit's metering mechanism provided respectively.

In an embodiment of the invention, the metering mechanism comprises a metering shell which is in butt joint with the feeder and at least two weighing sensors which are arranged on the machine frame at intervals around the metering shell, and the metering shell is suspended on the machine frame by abutting against the at least two weighing sensors.

In an embodiment of the invention, the metering shell comprises a first cover body, a second cover body and a first flexible connecting pipe for connecting the first cover body and the second cover body, the first cover body is positioned above the second cover body, the first cover body is connected with the feeder so as to guide the raw materials in the feeder into the second cover body, and two sides of the second cover body are respectively provided with a supporting block which is correspondingly abutted with the two weighing sensors one by one.

In an embodiment of the present invention, the bottom of the second cover body is formed with a first opening, and the metering mechanism further includes a first distributing member provided on the second cover body corresponding to the first opening for feeding the raw material in the metering housing into the conveying pipe and guiding the raw material into the mixing device, and a conveying pipe provided between the first distributing member and the mixing device.

In the embodiment of the invention, the second cover body is provided with the vibrating piece.

In an embodiment of the invention, the feeder comprises a hopper and a second distribution member, wherein a second opening is formed below the hopper, and the second distribution member is arranged on the hopper corresponding to the second opening and is used for feeding the raw materials in the hopper into the metering shell.

In the embodiment of the invention, the conveying pipe is connected with the first distribution part through the second flexible connecting pipe, the conveying pipe is sleeved outside the second flexible connecting pipe, and the sealing ring is arranged between the conveying pipe and the second flexible connecting pipe.

In the embodiment of the invention, the mixing device comprises a mixing bin and a rotating motor which are arranged on the rack, and a stirring body in transmission connection with the rotating motor, wherein the mixing bin is used for being respectively butted with the metering mechanisms of at least two groups of batching devices, and the stirring body extends into the mixing bin and is driven by the rotating motor to mix raw materials in the mixing bin.

In an embodiment of the present invention, the mixing device further includes a premixing chamber disposed on the frame, and a valve assembly disposed at the bottom of the premixing chamber, the premixing chamber being disposed above the mixing chamber, the valve assembly being configured to close the premixing chamber so that the premixing chamber receives the raw materials provided by the metering mechanisms of the at least two sets of dispensing devices, respectively, and to open the premixing chamber so that the raw materials in the premixing chamber enter the mixing chamber.

In the embodiment of the invention, the cross-sectional area of a mixing space formed by the mixing bin is gradually reduced along the direction from the bin top of the mixing bin to the bin bottom of the mixing bin, the rotating motor is positioned above the bin top, the stirring body comprises a transmission shaft and a plurality of stirring blades, the transmission shaft is in transmission connection with the rotating motor and extends into the mixing space from the bin top, and the plurality of stirring blades are sequentially arranged on the transmission shaft at intervals along the direction from the bin top to the bin bottom.

Through the technical scheme, the mixing device for the glass batch provided by the embodiment of the invention has the following beneficial effects:

a mixing apparatus for glass batch includes the frame, at least two sets of dosing unit and mixing arrangement, at least two sets of dosing unit's charging means can provide different raw materialss for the metering mechanism who corresponds, the charging means is configured as when the metering value of the raw materials in the metering mechanism who corresponds reaches the default simultaneously, the charging means can stop providing the raw materials to metering mechanism, mixing arrangement docks with at least two sets of dosing unit's metering mechanism respectively, and can mix the raw materials that at least two sets of dosing unit's metering mechanism provided respectively, then can control the metering value of the required different raw materialss of configuration glass accurately through the cooperation of charging means and metering mechanism, with the configuration precision that improves the glass batch, and satisfy the production requirement of ultra-thin flexible glass product.

Additional features and advantages of the invention will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide an understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a schematic structural view of a mixing apparatus for glass batch materials according to an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of a mixing apparatus for glass batch materials in accordance with an embodiment of the present invention;

FIG. 3 is another schematic view of a portion of a mixing apparatus for glass batch materials according to an embodiment of the present invention.

Description of the reference numerals

1 frame 2 feeder

21 hopper 211 body

212 cover plate 22 second dispensing member

3 metering mechanism 31 metering shell

311 first cover 312 second cover

313 first flexible connecting tube 314 vibrating piece

315 support block 316 fixing plate

32 load cell 33 first dispensing member

34 second flexible connecting pipe of delivery pipe 35

36 sealing ring 4 mixing device

41 mixing bin 42 rotating electric machine

43 stirring body 431 transmission shaft

432 mixing blade 44 premix bin

45 valve body assembly

Detailed Description

The following detailed description of specific embodiments of the invention refers to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative and explanatory of the invention and are not restrictive thereof.

Glass is an amorphous inorganic non-metallic material, and is generally prepared by using various inorganic minerals (such as quartz sand, borax, boric acid, barite, barium carbonate, limestone, feldspar, soda ash and the like) as main raw materials and adding a small amount of auxiliary raw materials. The glass is prepared from the batch materials in the processing technology, and the preparation process comprises material selection, material blending and mixing. Meanwhile, along with the favor of the market on ultrathin flexible glass products, higher requirements are also put forward on the configuration precision of glass batch, and the traditional precision of manually configuring the glass batch cannot meet the production requirements of the ultrathin flexible glass products.

Based on this, the embodiment of the application provides a mixing apparatus for glass batch, can accurately control the metering value of different raw materials required for configuring glass through the cooperation of a feeder and a metering mechanism, so as to improve the configuration precision of the glass batch, and can meet the production requirement of ultrathin flexible glass products.

A mixing apparatus for glass batch according to the present invention is described below with reference to the accompanying drawings.

In an embodiment of the present invention, as shown in fig. 1, there is provided a mixing apparatus for glass batch materials, wherein the mixing apparatus for glass batch materials comprises: the device comprises a frame 1, at least two groups of batching devices and a mixing device 4; the at least two groups of batching devices respectively comprise a feeder 2 which is arranged on the frame 1 and used for containing raw materials and a metering mechanism 3 which is in butt joint with the feeder 2, and the feeder 2 is configured to stop providing the raw materials for the metering mechanism 3 when the metering value of the raw materials in the metering mechanism 3 reaches a preset value; mixing arrangement 4 sets up in frame 1, and mixing arrangement 4 docks with at least two sets of dosing unit's metering mechanism 3 respectively, and mixing arrangement 4 is used for mixing the raw materials that at least two sets of dosing unit's metering mechanism 3 provided respectively.

In the embodiment of the invention, the mixing equipment for the glass batch comprises a rack 1, at least two groups of batching devices and a mixing device 4, wherein the feeders 2 of the at least two groups of batching devices can provide different raw materials for the corresponding metering mechanisms 3, meanwhile, the feeders 2 are configured to stop providing the raw materials for the metering mechanisms 3 when the metering values of the raw materials in the corresponding metering mechanisms 3 reach preset values, the mixing device 4 is respectively butted with the metering mechanisms 3 of the at least two groups of batching devices and can mix the raw materials respectively provided by the metering mechanisms 3 of the at least two groups of batching devices, and then, the metering values of the different raw materials required by glass configuration can be accurately controlled through the matching of the feeders 2 and the metering mechanisms 3, so that the configuration accuracy of the glass batch is improved, and the production requirement of ultrathin flexible glass products is met.

It should be noted that the mixing apparatus for glass batch materials further comprises a control device, the feeder 2 and the metering mechanism 3 are respectively electrically connected with the control device, and the control device further comprises a processor, and the processor can be configured to:

receiving a starting instruction, and controlling the feeder 2 to provide raw materials for the metering mechanism 3;

receiving the metering value of the raw material in the metering mechanism 3, and comparing the metering value with a preset value;

and when the metering value reaches a preset value, controlling the feeder 2 to stop supplying the raw materials to the metering mechanism 3.

Referring to fig. 1 and 2, in the embodiment of the present invention, the metering mechanism 3 includes a metering housing 31 that is docked with the feeder 2, and at least two load cells 32 that are disposed on the rack 1 at intervals around the metering housing 31, and the metering housing 31 is suspended from the rack 1 by abutting against the at least two load cells 32. That is, the feeder 2 can supply the raw material into the metering housing 31, and the monitoring of the weight of the raw material entering the metering housing 31 can be achieved by at least two load cells 32 suspending the metering housing 31 from the frame 1, so that the accuracy of the glass batch can be further controlled.

Specifically, a space for suspending the metering housing 31 is formed on the frame 1, and at least two weighing sensors 32 may be electrically connected to the control device, respectively, so as to transmit a metering value signal to the control device in real time.

More specifically, the metering housing 31 is pressed downwards by the action of gravity, the load cell 32 receives the pressure and converts the pressure signal into a measurable voltage signal, and the measurable voltage signal can be amplified by a preamplifier, then filtered by a filter and correspondingly A/D converted, and finally processed by a microprocessor to display the weight of the raw materials in a digital display manner and synchronously feed back the weight to the control device.

Referring to fig. 1 and fig. 2 again, in the embodiment of the present invention, the metering housing 31 includes a first cover 311, a second cover 312, and a first flexible connecting pipe 313 connecting the first cover 311 and the second cover 312, the first cover 311 is located above the second cover 312, the first cover 311 is connected to the feeder 2, so that the raw material in the feeder 2 is guided into the second cover 312, and supporting blocks 315 are respectively formed on two sides of the second cover 312 and correspondingly abut against the two weighing sensors 32 one to one. That is, the first cover 311 may be supported by the feeder 2, the first soft connection pipe 313 may connect the first cover 311 and the second cover 312, and the first soft connection pipe 313 may be a corrugated pipe made of a light material, for example: light plastics, light rubber and the like, the first flexible connecting pipe 313 can prevent raw materials from leaking to influence the batching precision and the field environment under the condition of not influencing the metering precision.

Specifically, a first connecting plate connected to the first flexible connecting tube 313 is formed on the inner peripheral edge of the opening of the first cover 311, and a second connecting plate connected to the first flexible connecting tube 313 is formed on the inner peripheral edge of the opening of the second cover 312, so that both ends of the first flexible connecting tube 313 are respectively embedded in the inner sides of the first cover 311 and the second cover 312, thereby further ensuring the sealing performance of the metering housing 31.

In the embodiment of the present invention, the bottom of the second cover 312 is formed with a first opening, and the metering mechanism 3 further includes a first distributing member 33 disposed on the second cover 312 corresponding to the first opening, and a delivery pipe 34 disposed between the first distributing member 33 and the mixing device 4, wherein the first distributing member 33 is used for delivering the raw material in the metering housing 31 into the delivery pipe 34 and guiding the raw material into the mixing device 4. That is, when the feeder 2 feeds into the metering housing 31, the first distributing member 33 stops working and can function to seal the first opening, and then when the measured value detected by the load cell 32 reaches a preset value, the feeder 2 stops feeding into the metering housing 31, and at this time, the first distributing member 33 can be controlled to work to feed the raw materials in the metering housing 31 into the conveying pipe 34 and guide the raw materials into the mixing device 4 through the conveying pipe 34 for mixing.

Specifically, the mixing device 4 is located below the metering mechanism 3, and the delivery pipe 34 may be disposed obliquely or vertically. Meanwhile, the first distribution member 33 may be a valve body electrically connected to the control device, and is closed or opened by the control valve body to seal the first opening and send the raw material in the metering housing 31 into the conveying pipe 34, and in addition, the first distribution member 33 may also be a part of a structure in a screw feeder in the prior art, and includes a driving motor, a speed reducer, a coupler and a feeding screw shaft, the driving motor drives the speed reducer and transmits the speed reducer to the feeding screw shaft through the coupler, so that the raw material in the metering housing 31 can be sent into the conveying pipe 34, and the driving motor stops working, and then the raw material conveying to the conveying pipe 34 can be stopped, and the driving motor may be electrically connected to the control device. Further, the driving motor may be connected to the supporting block 315 by providing a fixing plate 316.

In particular, the first dispensing member 33 may be electrically connected to the control device, and the processor is further configured to:

when the feeder 2 stops feeding into the metering housing 31, the first distributing member 33 is controlled to operate.

In the embodiment of the present invention, the second cover 312 is provided with a vibrating member 314. The vibrating member 314 may be used to generate vibration to shake off the raw material adhered to the metering mechanism 3 when the metering mechanism 3 discharges the raw material toward the mixing device 4. Specifically, the vibrating element 314 may be a pneumatic hammer that can adjust the force of striking by adjusting the air supply pressure using aerodynamic principles, while striking the outer wall of the device without deformation.

Meanwhile, a pneumatic hammer may be provided to the delivery pipe 34 so that the raw material is prevented from adhering to the delivery pipe 34.

In the embodiment of the present invention, the feeder 2 includes a hopper 21 and a second distribution member 22, a second opening is formed below the hopper 21, and the second distribution member 22 is disposed on the hopper 21 corresponding to the second opening and is used for feeding the raw material in the hopper 21 into the metering housing 31. The second distribution member 22 may have a structure similar to that of the first distribution member 33, and the second distribution member 22 may be a valve body electrically connected to the control device or may be a part of the structure of the screw feeder electrically connected to the control device. So that the amount of feed from the feeder 2 can be accurately controlled.

Specifically, the hopper 21 includes a hopper body 211 having an open V-shaped cavity and a cover plate 212 for closing the opening.

Further, the processor of the control device may be further configured to:

receiving the metering value of the raw material in the metering mechanism 3 and acquiring a preset value;

comparing the measured value with a preset value;

when the metering value reaches the preset value, the second distributing member 22 is controlled to stop supplying the raw material to the metering mechanism 3.

In the embodiment of the present invention, the conveying pipe 34 is connected to the first distributing member 33 through the second flexible connecting pipe 35, the conveying pipe 34 is sleeved outside the second flexible connecting pipe 35, and the sealing ring 36 is disposed between the conveying pipe 34 and the second flexible connecting pipe 35, so that the sealing performance can be ensured through the second flexible connecting pipe 35, and the phenomenon of raw material escaping and affecting the working environment can be prevented. The second flexible connecting tube 35 may be a corrugated tube made of light material, such as: lightweight plastics, lightweight rubber, and the like.

Referring to fig. 1 to 3, in the embodiment of the present invention, the mixing device 4 includes a mixing bin 41 and a rotating motor 42 disposed on the frame 1, and an agitating body 43 in transmission connection with the rotating motor 42, the mixing bin 41 is configured to be respectively abutted to the metering mechanisms 3 of at least two sets of dosing devices, and the agitating body 43 extends into the mixing bin 41 and mixes the raw materials in the mixing bin 41 under the driving of the rotating motor 42. That is, the mixing bin 41 can receive different raw materials provided by the metering mechanisms 3 of at least two sets of batching devices, and then the stirring body 43 is driven by the rotating motor 42 to stir and mix the different raw materials, so as to ensure the uniformity of the glass batch.

Specifically, the rotary electric machine 42 may be electrically connected to a control device, by which the operating time period and the operating rotational speed of the rotary electric machine 42 may be controlled to automate the mixing operation.

In the embodiment of the present invention, the mixing device 4 further includes a pre-mixing bin 44 disposed on the frame 1, and a valve assembly 45 disposed at the bottom of the pre-mixing bin 44, the pre-mixing bin 44 is disposed above the mixing bin 41, the valve assembly 45 is configured to close the pre-mixing bin 44 so that the pre-mixing bin 44 respectively receives the raw materials provided by the metering mechanisms 3 of the at least two sets of dosing devices, and to open the pre-mixing bin 44 so that the raw materials in the pre-mixing bin 44 enter the mixing bin 41. Namely, different raw materials provided by the metering mechanisms 3 of at least two groups of dosing devices can be received through the premixing bin 44, and then the raw materials mixed for the first time in the premixing bin 44 can be guided into the mixing bin 41 by opening the valve body assembly 45, so that the mixing uniformity can be further ensured. Specifically, the valve body assembly 45 includes being a butterfly valve.

Meanwhile, pneumatic hammers may be provided on both the mixing bin 41 and the premixing bin 44.

In the embodiment of the present invention, the cross-sectional area of the mixing space formed by the mixing bin 41 along the direction from the top of the mixing bin 41 to the bottom of the mixing bin 41 gradually decreases, the rotating motor 42 is located above the top of the mixing bin, the stirring body 43 includes a transmission shaft 431 and a plurality of stirring blades 432, the transmission shaft 431 is in transmission connection with the rotating motor 42 and extends into the mixing space from the top of the mixing bin, and the plurality of stirring blades 432 are sequentially arranged on the transmission shaft 431 at intervals along the direction from the top of the mixing bin to the bottom of the mixing bin. That is, the cross-sectional area of the mixing space of the mixing silo 41 in the direction from the top of the silo to the bottom of the silo is gradually reduced, so that the amount of the raw material stacked on the bottom of the silo is significantly less than the amount of the raw material stacked above the bottom of the silo. Meanwhile, the plurality of stirring blades 432 are arranged in the direction from the bin top to the bin bottom, in order to match the cross-sectional area of the corresponding position, of course, the size of the plurality of stirring blades 432 is set to be gradually reduced, then the plurality of stirring blades 432 can stir and mix the raw materials at the corresponding position, the premixing bin 44 is located above the mixing bin 41, the raw materials are injected into the mixing bin 41 from the bin top, and meanwhile, an opening for discharging the raw materials is arranged at the bin bottom, namely, the raw materials can be discharged from the bin top through the opening at the bin bottom after being stirred by the plurality of stirring blades 432, and the stirring and mixing effect at the position close to the bin bottom is optimal due to the small accumulation amount of the raw materials close to the bin bottom.

It should be noted that the number of the dispensing units can be determined according to the kinds of the raw materials, and generally, a group of dispensing units is used for one raw material.

In the description of the present invention, it is to be understood that the terms "first", "second" and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.