CN221048997U - Mixing device and extruder - Google Patents

Abstract

The utility model relates to a mixing device and an extruder, and relates to the technical field of extruders. The mixing device comprises a barrel, a guide screw, a heating piece and a filling port, wherein the barrel is provided with a feed inlet and a discharge outlet, and the feed inlet is used for adding solid materials in materials to be mixed; the guide screw is rotatably arranged in the cylinder body and can be used for conveying the materials to be mixed to the discharge port after mixing; the heating element is arranged in the cylinder; the filling port is arranged on the cylinder body and is used for filling liquid materials in the materials to be mixed; the filling port is located between the feeding port and the discharging port. The technical scheme disclosed by the utility model can improve the mixing effect, avoid polarity difference and form a uniform mixing system, thereby ensuring the consistency and stability of the product.

Description

Mixing device and extruder

Technical Field

The utility model relates to the technical field of extruders, in particular to a mixing device and an extruder.

Background

The mixing device plays an important role in production, and the mixing uniformity of the materials to be mixed is closely related to the quality of the products. In industrial production, powdery materials, granular materials and liquid auxiliary agents are required to be uniformly mixed, but when mixing is carried out in a traditional in-tank stirring type mixing device, the phenomena of non-uniform mixing, agglomeration and the like often occur, so that the final performance of materials is difficult to achieve the expected effect, the performance of products is influenced, and the stability and consistency of the performance of the products cannot be ensured.

Disclosure of utility model

The embodiment of the utility model provides a mixing device and an extruder, which can improve the mixing effect, avoid polarity difference and form a uniform mixing system, thereby ensuring the consistency and stability of products.

In a first aspect, an embodiment of the present utility model provides a mixing device, including:

The device comprises a barrel, a mixing device and a mixing device, wherein a feeding hole and a discharging hole are formed in the barrel, and the feeding hole is used for adding solid materials in materials to be mixed;

The guide screw is rotatably arranged in the cylinder body and can be used for conveying the materials to be mixed to the discharge port after mixing the materials to be mixed;

The heating piece is arranged in the cylinder body; and

The filling port is arranged on the cylinder body and is used for filling liquid materials in the materials to be mixed;

The filling port is located between the feeding port and the discharging port.

In one embodiment, the cartridge comprises:

a first barrel section for melting solid material in the material to be mixed; and

The second barrel section is communicated with the first barrel section and is used for carrying out liquid mixing on materials to be mixed;

Wherein, the feed inlet the filler opening all set up in on the first section of thick bamboo section.

In one embodiment, the length of the first barrel section is not less than 1120mm and the length of the second barrel section is not less than 1400mm;

wherein the preset distance is 600-900mm.

In one embodiment, the mixing device comprises a metering pump disposed on the first barrel section and in communication with the filler opening.

In one embodiment, the second cylinder section is provided with an exhaust port and an extraction port, a first preset distance is arranged between the exhaust port and the feed port, and a second preset distance is arranged between the extraction port and the feed port;

the first preset distance is 1120-1400mm, and the second preset distance is 2240-2520mm.

In one embodiment, the mixing device comprises a vacuum pump arranged on the second barrel section and communicated with the extraction opening.

In one embodiment, the discharge port is located at an end of the second barrel section away from the first barrel section, and a discharge assembly is disposed in the second barrel section and is located between the extraction port and the discharge port;

Wherein, the ejection of compact subassembly includes filter element, reposition of redundant personnel spare and the mould of follow the axial direction interval arrangement of second section of thick bamboo section.

In one embodiment, the guide screw is provided with a guide screw groove, and the volume of the guide screw groove per unit pitch gradually decreases along the discharging direction of the cylinder.

In one embodiment, the mixing device comprises a driving assembly, wherein the driving assembly is arranged at one end of the cylinder body away from the discharge hole, and the driving assembly can drive the guide screw to rotate.

In a second aspect, embodiments of the present utility model provide an extruder comprising a compounding device as described above.

Compared with the prior art, the embodiment of the utility model has the advantages that the heating piece is arranged to heat the material to be mixed, the guide screw is arranged to rotate to convey and mix the material to be mixed, and the kinetic energy of the molecular thermal motion of the material to be mixed is increased under the action of the shearing force of the guide screw, so that the solid material can be changed into liquid state, and the mixing effect is improved. The solid material and the liquid material are respectively added through the arrangement of the feed inlet and the filling opening, and the feed inlet is positioned between the driving assembly and the filling opening, so that the solid material is heated, dispersed and mixed firstly; meanwhile, a preset distance is arranged between the feeding port and the filling port, so that the solid material is in a melting state when conveyed to the cylinder body at the filling port, and the liquid material is added into the filling port at the moment, so that the mixing effect of the solid material and the liquid material can be improved, the polarity difference of the solid material and the liquid material is avoided, a uniform mixing system is formed, the consistency and the stability of products are ensured, and the difference between batches and the quality floating of the products are reduced.

Drawings

The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a mixing device according to an embodiment of the present utility model.

Reference numerals:

10. A cylinder; 110. a feed inlet; 120. a filler neck; 130. a first barrel section; 140. a second barrel section; 1401. an exhaust port; 1402. an extraction opening; 1403. a discharge port;

20. a drive assembly;

3. A metering pump;

40. A vacuum pump;

50. And a discharging assembly.

Detailed Description

The utility model will be further described with reference to the accompanying drawings.

The mixing device plays an important role in production, and the mixing uniformity of the materials to be mixed is closely related to the quality of the products. In industrial production, powdery materials, granular materials and liquid auxiliary agents are required to be uniformly mixed, but when the powdery materials, the granular materials and the liquid auxiliary agents are mixed in a traditional in-tank stirring type mixing device, the phenomena of non-uniformity in mixing, agglomeration and the like often occur, the liquid auxiliary agents cannot be uniformly dispersed in the powdery materials and the granular materials to form a uniform mixing system, the final performance of the materials is difficult to achieve the expected effect, and therefore the performance of a product is influenced, and the stability and consistency of the performance of the product cannot be ensured.

Example 1

As shown in fig. 1, an embodiment of the present utility model provides a mixing device, which includes a barrel 10, a lead screw, a heating element, and a filling port 120; the cylinder 10 is provided with a feed inlet 110 and a discharge outlet 1403, wherein the feed inlet 110 is used for adding solid materials in materials to be mixed; the lead screw is rotatably arranged in the cylinder body 10, and can convey the materials to be mixed to the discharge hole 1403 after mixing; the heating element is arranged in the cylinder body 10; the filling port 120 is arranged on the cylinder 10, and the filling port 120 is used for filling liquid materials in the materials to be mixed; wherein, there is a preset distance between the filler neck 120 and the feed inlet 110, and the filler neck 120 is located between the feed inlet 110 and the discharge outlet 1403.

From the above, the heating piece is arranged to heat the material to be mixed, the guide screw is arranged to rotate to convey and mix the material to be mixed, and the kinetic energy of the molecular thermal motion of the material to be mixed is increased under the action of the shearing force of the guide screw, so that the solid material is changed into a liquid state, and the mixing effect is improved. The solid material and the liquid material are respectively added through the arrangement of the feed inlet 110 and the filling opening 120, and the feed inlet 110 is positioned between the driving component 20 and the filling opening 120, so that the solid material is heated, dispersed and mixed firstly; meanwhile, a preset distance is arranged between the feeding port 110 and the filling port 120, so that the solid materials are in a melting state when conveyed to the cylinder body 10 at the filling port 120, and at the moment, liquid materials are added into the filling port 120, so that the mixing effect of the solid materials and the liquid materials can be improved, the polarity difference of the solid materials and the liquid materials is avoided, a uniform mixing system is formed, the consistency and the stability of products are ensured, and the difference between batches and the floating product quality are reduced.

It should be noted that, as shown in fig. 1, the cylinder 10 includes a plurality of coaxially disposed cylinder plates, and the plurality of cylinder plates are detachably connected, and the lengths of each cylinder plate may be equal or unequal.

It should be noted that a hopper is disposed at the feeding port 110, and the hopper is connected to the feeding port 110 so as to add solid materials.

It should also be noted that the heating element includes, but is not limited to, an electric heating element, and the heating temperature of the heating element may be 150-180 ℃.

It should be further noted that, the solid material includes a powdery material and a granular material, and the dispersion of the powdery material in the liquid material is controlled by the wetting action of the liquid material on the powdery material and the interaction between the granular materials in the liquid material, and the wetting process of the surface of the powdery material is a process that the liquid phase and the gas phase compete for the surface of the granular material, which is mainly dependent on the polarity difference degree of the surface of the granular material and the surface of the liquid material; and the powdery material has the characteristic of agglomeration, has low polarity, and is difficult to uniformly disperse in the granular material and the liquid material to form a uniform system. Therefore, the gap between the filling port 120 and the feeding port 110 is defined to be a preset distance, so that the granular material and the powdery material are just in a melted and adhered state when being conveyed to the cylinder 10 at the filling port 120, thereby avoiding polarity difference and ensuring uniform mixing.

It should be noted that the lead screw is parallel to the axial direction of the cylinder 10, and the number of lead screws may be one or two.

Example two

As shown in fig. 1, an embodiment of the present utility model provides a mixing device, which includes a barrel 10, a lead screw, a heating element, and a filling port 120; the cylinder 10 is provided with a feed inlet 110 and a discharge outlet 1403, wherein the feed inlet 110 is used for adding solid materials in materials to be mixed; the lead screw is rotatably arranged in the cylinder body 10, and can convey the materials to be mixed to the discharge hole 1403 after mixing; the heating element is arranged in the cylinder body 10; the filling port 120 is arranged on the cylinder 10, and the filling port 120 is used for filling liquid materials in the materials to be mixed; wherein, there is a preset distance between the filler neck 120 and the feed inlet 110, and the filler neck 120 is located between the feed inlet 110 and the discharge outlet 1403.

From the above, the heating piece is arranged to heat the material to be mixed, the guide screw is arranged to rotate to convey and mix the material to be mixed, and the kinetic energy of the molecular thermal motion of the material to be mixed is increased under the action of the shearing force of the guide screw, so that the solid material is changed into a liquid state, and the mixing effect is improved. The solid material and the liquid material are respectively added through the arrangement of the feed inlet 110 and the filling opening 120, and the feed inlet 110 is positioned between the driving component 20 and the filling opening 120, so that the solid material is heated, dispersed and mixed firstly; meanwhile, a preset distance is arranged between the feeding port 110 and the filling port 120, so that the solid materials are in a melting state when conveyed to the cylinder body 10 at the filling port 120, and at the moment, liquid materials are added into the filling port 120, so that the mixing effect of the solid materials and the liquid materials can be improved, the polarity difference of the solid materials and the liquid materials is avoided, a uniform mixing system is formed, the consistency and the stability of products are ensured, and the difference between batches and the floating product quality are reduced.

It should be noted that, the cylinder 10 includes a plurality of coaxially disposed cylinder plates, and the plurality of cylinder plates are detachably connected, and the lengths of each cylinder plate may be equal or unequal.

It should be noted that a hopper is disposed at the feeding port 110, and the hopper is connected to the feeding port 110 so as to add solid materials.

It should also be noted that the heating element includes, but is not limited to, an electric heating element, and the heating temperature of the heating element may be 150-180 ℃.

It should be further noted that, the solid material includes a powdery material and a granular material, and the dispersion of the powdery material in the liquid material is controlled by the wetting action of the liquid material on the powdery material and the interaction between the granular materials in the liquid material, and the wetting process of the surface of the powdery material is a process that the liquid phase and the gas phase compete for the surface of the granular material, which is mainly dependent on the polarity difference degree of the surface of the granular material and the surface of the liquid material; and the powdery material has the characteristic of agglomeration, has low polarity, and is difficult to uniformly disperse in the granular material and the liquid material to form a uniform system. Therefore, the gap between the filling port 120 and the feeding port 110 is defined to be a preset distance, so that the granular material and the powdery material are just in a melted and adhered state when being conveyed to the cylinder 10 at the filling port 120, thereby avoiding polarity difference and ensuring uniform mixing.

It should be noted that the lead screw is parallel to the axial direction of the cylinder 10, and the number of lead screws may be one or two.

As shown in fig. 1, in some embodiments, the cartridge 10 includes a first cartridge section 130 and a second cartridge section 140; the first barrel section 130 is used for melting solid materials in the materials to be mixed; the second barrel section 140 is communicated with the first barrel section 130, and the second barrel section 140 is used for carrying out liquid mixing on materials to be mixed; wherein, the feed inlet 110 and the filler 120 are both disposed on the first barrel section 130.

The first barrel section 130 and the second barrel section 140 are arranged to enable the materials to be mixed to achieve different states, and the first barrel section 130 is used for melting solid materials so as to enable the materials to be mixed in the first barrel section 130 to be in a solid-liquid mixed state; and the feed inlet 110 and the filling inlet 120 are arranged according to the state of the materials to be mixed, so that the mixing effect of the powdery materials, the granular materials and the liquid materials is ensured.

As shown in fig. 1, each of the first barrel section 130 and the second barrel section 140 includes a plurality of barrel plates.

In some embodiments, the length of the first barrel section 130 is not less than 1120mm and the length of the second barrel section 140 is not less than 1400mm; wherein the preset distance is 600-900mm.

The specific lengths of the first barrel section 130, the second barrel section 140, and the predetermined distance are set as required, for example, according to chemical characteristics of the powdery material, particle size of the powdery material, bulk density, and the like.

In some embodiments, the mixing device comprises a driving assembly 20, wherein the driving assembly 20 is disposed on one end of the barrel 10 away from the discharge hole 1403, and the driving assembly 20 can drive the lead screw to rotate.

It should be noted that, the driving assembly 20 includes a driving motor and a speed reducer, a rotating shaft of the driving motor is connected to an input shaft of the speed reducer, and an output shaft of the speed reducer is connected to the lead screw, so as to drive the lead screw to rotate.

Example III

As shown in fig. 1, an embodiment of the present utility model provides a mixing device, which includes a barrel 10, a lead screw, a heating element, and a filling port 120; the cylinder 10 is provided with a feed inlet 110 and a discharge outlet 1403, wherein the feed inlet 110 is used for adding solid materials in materials to be mixed; the lead screw is rotatably arranged in the cylinder body 10, and can convey the materials to be mixed to the discharge hole 1403 after mixing; the heating element is arranged in the cylinder body 10; the filling port 120 is arranged on the cylinder 10, and the filling port 120 is used for filling liquid materials in the materials to be mixed; wherein, there is a preset distance between the filler neck 120 and the feed inlet 110, and the filler neck 120 is located between the feed inlet 110 and the discharge outlet 1403.

From the above, the heating piece is arranged to heat the material to be mixed, the guide screw is arranged to rotate to convey and mix the material to be mixed, and the kinetic energy of the molecular thermal motion of the material to be mixed is increased under the action of the shearing force of the guide screw, so that the solid material is changed into a liquid state, and the mixing effect is improved. The solid material and the liquid material are respectively added through the arrangement of the feed inlet 110 and the filling opening 120, and the feed inlet 110 is positioned between the driving component 20 and the filling opening 120, so that the solid material is heated, dispersed and mixed firstly; meanwhile, a preset distance is arranged between the feeding port 110 and the filling port 120, so that the solid materials are in a melting state when conveyed to the cylinder body 10 at the filling port 120, and at the moment, liquid materials are added into the filling port 120, so that the mixing effect of the solid materials and the liquid materials can be improved, the polarity difference of the solid materials and the liquid materials is avoided, a uniform mixing system is formed, the consistency and the stability of products are ensured, and the difference between batches and the floating product quality are reduced.

It should be noted that, the cylinder 10 includes a plurality of coaxially disposed cylinder plates, and the plurality of cylinder plates are detachably connected, and the lengths of each cylinder plate may be equal or unequal.

It should be noted that a hopper is disposed at the feeding port 110, and the hopper is connected to the feeding port 110 so as to add solid materials.

It should also be noted that the heating element includes, but is not limited to, an electric heating element, and the heating temperature of the heating element may be 150-180 ℃.

It should be further noted that, the solid material includes a powdery material and a granular material, and the dispersion of the powdery material in the liquid material is controlled by the wetting action of the liquid material on the powdery material and the interaction between the granular materials in the liquid material, and the wetting process of the surface of the powdery material is a process that the liquid phase and the gas phase compete for the surface of the granular material, which is mainly dependent on the polarity difference degree of the surface of the granular material and the surface of the liquid material; and the powdery material has the characteristic of agglomeration, has low polarity, and is difficult to uniformly disperse in the granular material and the liquid material to form a uniform system. Therefore, the gap between the filling port 120 and the feeding port 110 is defined to be a preset distance, so that the granular material and the powdery material are just in a melted and adhered state when being conveyed to the cylinder 10 at the filling port 120, thereby avoiding polarity difference and ensuring uniform mixing.

It should be noted that the lead screw is parallel to the axial direction of the cylinder 10, and the number of lead screws may be one or two.

As shown in fig. 1, in some embodiments, the cartridge 10 includes a first cartridge section 130 and a second cartridge section 140; the first barrel section 130 is used for melting solid materials in the materials to be mixed; the second barrel section 140 is communicated with the first barrel section 130, and the second barrel section 140 is used for carrying out liquid mixing on materials to be mixed; wherein, the feed inlet 110 and the filler 120 are both disposed on the first barrel section 130.

The first barrel section 130 and the second barrel section 140 are arranged to enable the materials to be mixed to achieve different states, and the first barrel section 130 is used for melting solid materials so as to enable the materials to be mixed in the first barrel section 130 to be in a solid-liquid mixed state; and the feed inlet 110 and the filling inlet 120 are arranged according to the state of the materials to be mixed, so that the mixing effect of the powdery materials, the granular materials and the liquid materials is ensured.

As shown in fig. 1, each of the first barrel section 130 and the second barrel section 140 includes a plurality of barrel plates.

In some embodiments, the length of the first barrel section 130 is not less than 1120mm and the length of the second barrel section 140 is not less than 1400mm; wherein the preset distance is 600-900mm.

The specific lengths of the first barrel section 130, the second barrel section 140, and the predetermined distance are set as required, for example, according to chemical characteristics of the powdery material, particle size of the powdery material, bulk density, and the like.

As shown in fig. 1, in some embodiments, the mixing device includes a metering pump 30, the metering pump 30 being disposed on the first barrel section 130 and in communication with the fill port 120.

By arranging the metering pump 30 to control the volume flow of the conveyed liquid material, the conveying accuracy can be ensured, the waste and the error are avoided, the production efficiency can be improved, and the manual intervention is reduced.

It should be noted that, the specific structure of the metering pump 30 is the prior art, and the present utility model is not repeated; the metering pump 30 is a volumetric pump which can meet various strict process flow requirements, can be steplessly adjusted within the range of 0-100% in flow rate and is used for conveying liquid; the metering pump 30 is distinguished by the fact that it is capable of maintaining a constant flow independent of the discharge pressure, while at the same time performing the functions of delivery, metering and regulation, thus simplifying the production process.

In some embodiments, the mixing device comprises a driving assembly 20, wherein the driving assembly 20 is disposed on one end of the barrel 10 away from the discharge hole 1403, and the driving assembly 20 can drive the lead screw to rotate.

It should be noted that, the driving assembly 20 includes a driving motor and a speed reducer, a rotating shaft of the driving motor is connected to an input shaft of the speed reducer, and an output shaft of the speed reducer is connected to the lead screw, so as to drive the lead screw to rotate.

Example IV

As shown in fig. 1, an embodiment of the present utility model provides a mixing device, which includes a barrel 10, a lead screw, a heating element, and a filling port 120; the cylinder 10 is provided with a feed inlet 110 and a discharge outlet 1403, wherein the feed inlet 110 is used for adding solid materials in materials to be mixed; the lead screw is rotatably arranged in the cylinder body 10, and can convey the materials to be mixed to the discharge hole 1403 after mixing; the heating element is arranged in the cylinder body 10; the filling port 120 is arranged on the cylinder 10, and the filling port 120 is used for filling liquid materials in the materials to be mixed; wherein, there is a preset distance between the filler neck 120 and the feed inlet 110, and the filler neck 120 is located between the feed inlet 110 and the discharge outlet 1403.

From the above, the heating piece is arranged to heat the material to be mixed, the guide screw is arranged to rotate to convey and mix the material to be mixed, and the kinetic energy of the molecular thermal motion of the material to be mixed is increased under the action of the shearing force of the guide screw, so that the solid material is changed into a liquid state, and the mixing effect is improved. The solid material and the liquid material are respectively added through the arrangement of the feed inlet 110 and the filling opening 120, and the feed inlet 110 is positioned between the driving component 20 and the filling opening 120, so that the solid material is heated, dispersed and mixed firstly; meanwhile, a preset distance is arranged between the feeding port 110 and the filling port 120, so that the solid materials are in a melting state when conveyed to the cylinder body 10 at the filling port 120, and at the moment, liquid materials are added into the filling port 120, so that the mixing effect of the solid materials and the liquid materials can be improved, the polarity difference of the solid materials and the liquid materials is avoided, a uniform mixing system is formed, the consistency and the stability of products are ensured, and the difference between batches and the floating product quality are reduced.

It should be noted that, the cylinder 10 includes a plurality of coaxially disposed cylinder plates, and the plurality of cylinder plates are detachably connected, and the lengths of each cylinder plate may be equal or unequal.

It should be noted that a hopper is disposed at the feeding port 110, and the hopper is connected to the feeding port 110 so as to add solid materials.

It should also be noted that the heating element includes, but is not limited to, an electric heating element, and the heating temperature of the heating element may be 150-180 ℃.

It should be further noted that, the solid material includes a powdery material and a granular material, and the dispersion of the powdery material in the liquid material is controlled by the wetting action of the liquid material on the powdery material and the interaction between the granular materials in the liquid material, and the wetting process of the surface of the powdery material is a process that the liquid phase and the gas phase compete for the surface of the granular material, which is mainly dependent on the polarity difference degree of the surface of the granular material and the surface of the liquid material; and the powdery material has the characteristic of agglomeration, has low polarity, and is difficult to uniformly disperse in the granular material and the liquid material to form a uniform system. Therefore, the gap between the filling port 120 and the feeding port 110 is defined to be a preset distance, so that the granular material and the powdery material are just in a melted and adhered state when being conveyed to the cylinder 10 at the filling port 120, thereby avoiding polarity difference and ensuring uniform mixing.

It should be noted that the lead screw is parallel to the axial direction of the cylinder 10, and the number of lead screws may be one or two.

As shown in fig. 1, in some embodiments, the cartridge 10 includes a first cartridge section 130 and a second cartridge section 140; the first barrel section 130 is used for melting solid materials in the materials to be mixed; the second barrel section 140 is communicated with the first barrel section 130, and the second barrel section 140 is used for carrying out liquid mixing on materials to be mixed; wherein, the feed inlet 110 and the filler 120 are both disposed on the first barrel section 130.

The first barrel section 130 and the second barrel section 140 are arranged to enable the materials to be mixed to achieve different states, and the first barrel section 130 is used for melting solid materials so as to enable the materials to be mixed in the first barrel section 130 to be in a solid-liquid mixed state; and the feed inlet 110 and the filling inlet 120 are arranged according to the state of the materials to be mixed, so that the mixing effect of the powdery materials, the granular materials and the liquid materials is ensured.

As shown in fig. 1, each of the first barrel section 130 and the second barrel section 140 includes a plurality of barrel plates.

In some embodiments, the length of the first barrel section 130 is not less than 1120mm and the length of the second barrel section 140 is not less than 1400mm; wherein the preset distance is 600-900mm.

The specific lengths of the first barrel section 130, the second barrel section 140, and the predetermined distance are set as required, for example, according to chemical characteristics of the powdery material, particle size of the powdery material, bulk density, and the like.

As shown in fig. 1, in some embodiments, the mixing device includes a metering pump 30, the metering pump 30 being disposed on the first barrel section 130 and in communication with the fill port 120.

By arranging the metering pump 30 to control the volume flow of the conveyed liquid material, the conveying accuracy can be ensured, the waste and the error are avoided, the production efficiency can be improved, and the manual intervention is reduced.

It should be noted that, the specific structure of the metering pump 30 is the prior art, and the present utility model is not repeated; the metering pump 30 is a volumetric pump which can meet various strict process flow requirements, can be steplessly adjusted within the range of 0-100% in flow rate and is used for conveying liquid; the metering pump 30 is distinguished by the fact that it is capable of maintaining a constant flow independent of the discharge pressure, while at the same time performing the functions of delivery, metering and regulation, thus simplifying the production process.

As shown in fig. 1, in some embodiments, the second barrel section 140 is provided with an air outlet 1401 and an air suction opening 1402, a first preset distance is provided between the air outlet 1401 and the feed inlet 110, and a second preset distance is provided between the air suction opening 1402 and the feed inlet 110; wherein the first preset distance is 1120-1400mm, and the second preset distance is 2240-2520mm.

By arranging the air outlet 1401 on the second barrel section 140, the water carried in the materials to be mixed is discharged, so that the water is prevented from affecting the mixing in the second barrel section 140; by arranging the air extraction opening 1402 on the second barrel section 140, small molecules released in the mixing process are discharged, so that the influence of the small molecules on the surface quality of the product is avoided; the position of the air outlet 1401 is determined by limiting the first preset interval, so that the air outlet 1401 is positioned at the cylinder 10 when the materials to be mixed are just in the liquid state, and the water draining effect is facilitated; the position of the air extraction opening 1402 is determined by limiting the second preset distance, so that the air extraction opening 1402 is positioned at the section where the materials to be mixed are fully mixed, the small molecules are discharged, and the surface quality of the product is improved.

In some embodiments, the mixing device comprises a driving assembly 20, wherein the driving assembly 20 is disposed on one end of the barrel 10 away from the discharge hole 1403, and the driving assembly 20 can drive the lead screw to rotate.

It should be noted that, the driving assembly 20 includes a driving motor and a speed reducer, a rotating shaft of the driving motor is connected to an input shaft of the speed reducer, and an output shaft of the speed reducer is connected to the lead screw, so as to drive the lead screw to rotate.

Example five

As shown in fig. 1, an embodiment of the present utility model provides a mixing device, which includes a barrel 10, a lead screw, a heating element, and a filling port 120; the cylinder 10 is provided with a feed inlet 110 and a discharge outlet 1403, wherein the feed inlet 110 is used for adding solid materials in materials to be mixed; the lead screw is rotatably arranged in the cylinder body 10, and can convey the materials to be mixed to the discharge hole 1403 after mixing; the heating element is arranged in the cylinder body 10; the filling port 120 is arranged on the cylinder 10, and the filling port 120 is used for filling liquid materials in the materials to be mixed; wherein, there is a preset distance between the filler neck 120 and the feed inlet 110, and the filler neck 120 is located between the feed inlet 110 and the discharge outlet 1403.

From the above, the heating piece is arranged to heat the material to be mixed, the guide screw is arranged to rotate to convey and mix the material to be mixed, and the kinetic energy of the molecular thermal motion of the material to be mixed is increased under the action of the shearing force of the guide screw, so that the solid material is changed into a liquid state, and the mixing effect is improved. The solid material and the liquid material are respectively added through the arrangement of the feed inlet 110 and the filling opening 120, and the feed inlet 110 is positioned between the driving component 20 and the filling opening 120, so that the solid material is heated, dispersed and mixed firstly; meanwhile, a preset distance is arranged between the feeding port 110 and the filling port 120, so that the solid materials are in a melting state when conveyed to the cylinder body 10 at the filling port 120, and at the moment, liquid materials are added into the filling port 120, so that the mixing effect of the solid materials and the liquid materials can be improved, the polarity difference of the solid materials and the liquid materials is avoided, a uniform mixing system is formed, the consistency and the stability of products are ensured, and the difference between batches and the floating product quality are reduced.

It should be noted that, the driving assembly 20 includes a driving motor and a speed reducer, a rotating shaft of the driving motor is connected to an input shaft of the speed reducer, and an output shaft of the speed reducer is connected to the lead screw, so as to drive the lead screw to rotate.

It should be further noted that the cylinder 10 includes a plurality of coaxially disposed cylinder plates, and the plurality of cylinder plates are detachably connected, and the length of each cylinder plate may be equal or unequal.

It should be noted that a hopper is disposed at the feeding port 110, and the hopper is connected to the feeding port 110 so as to add solid materials.

It should also be noted that the heating element includes, but is not limited to, an electric heating element, and the heating temperature of the heating element may be 150-180 ℃.

It should be further noted that, the solid material includes a powdery material and a granular material, and the dispersion of the powdery material in the liquid material is controlled by the wetting action of the liquid material on the powdery material and the interaction between the granular materials in the liquid material, and the wetting process of the surface of the powdery material is a process that the liquid phase and the gas phase compete for the surface of the granular material, which is mainly dependent on the polarity difference degree of the surface of the granular material and the surface of the liquid material; and the powdery material has the characteristic of agglomeration, has low polarity, and is difficult to uniformly disperse in the granular material and the liquid material to form a uniform system. Therefore, the gap between the filling port 120 and the feeding port 110 is defined to be a preset distance, so that the granular material and the powdery material are just in a melted and adhered state when being conveyed to the cylinder 10 at the filling port 120, thereby avoiding polarity difference and ensuring uniform mixing.

It should be noted that the lead screw is parallel to the axial direction of the cylinder 10, and the number of lead screws may be one or two.

As shown in fig. 1, in some embodiments, the cartridge 10 includes a first cartridge section 130 and a second cartridge section 140; the first barrel section 130 is used for melting solid materials in the materials to be mixed; the second barrel section 140 is communicated with the first barrel section 130, and the second barrel section 140 is used for carrying out liquid mixing on materials to be mixed; wherein, the feed inlet 110 and the filler 120 are both disposed on the first barrel section 130.

The first barrel section 130 and the second barrel section 140 are arranged to enable the materials to be mixed to achieve different states, and the first barrel section 130 is used for melting solid materials so as to enable the materials to be mixed in the first barrel section 130 to be in a solid-liquid mixed state; and the feed inlet 110 and the filling inlet 120 are arranged according to the state of the materials to be mixed, so that the mixing effect of the powdery materials, the granular materials and the liquid materials is ensured.

As shown in fig. 1, each of the first barrel section 130 and the second barrel section 140 includes a plurality of barrel plates.

In some embodiments, the length of the first barrel section 130 is not less than 1120mm and the length of the second barrel section 140 is not less than 1400mm; wherein the preset distance is 600-900mm.

The specific lengths of the first barrel section 130, the second barrel section 140, and the predetermined distance are set as required, for example, according to chemical characteristics of the powdery material, particle size of the powdery material, bulk density, and the like.

As shown in fig. 1, in some embodiments, the mixing device includes a metering pump 30, the metering pump 30 being disposed on the first barrel section 130 and in communication with the fill port 120.

By arranging the metering pump 30 to control the volume flow of the conveyed liquid material, the conveying accuracy can be ensured, the waste and the error are avoided, the production efficiency can be improved, and the manual intervention is reduced.

It should be noted that, the specific structure of the metering pump 30 is the prior art, and the present utility model is not repeated; the metering pump 30 is a volumetric pump which can meet various strict process flow requirements, can be steplessly adjusted within the range of 0-100% in flow rate and is used for conveying liquid; the metering pump 30 is distinguished by the fact that it is capable of maintaining a constant flow independent of the discharge pressure, while at the same time performing the functions of delivery, metering and regulation, thus simplifying the production process.

As shown in fig. 1, in some embodiments, the second barrel section 140 is provided with an air outlet 1401 and an air suction opening 1402, a first preset distance is provided between the air outlet 1401 and the feed inlet 110, and a second preset distance is provided between the air suction opening 1402 and the feed inlet 110; wherein the first preset distance is 1120-1400mm, and the second preset distance is 2240-2520mm.

By arranging the air outlet 1401 on the second barrel section 140, the water carried in the materials to be mixed is discharged, so that the water is prevented from affecting the mixing in the second barrel section 140; by arranging the air extraction opening 1402 on the second barrel section 140, small molecules released in the mixing process are discharged, so that the influence of the small molecules on the surface quality of the product is avoided; the position of the air outlet 1401 is determined by limiting the first preset interval, so that the air outlet 1401 is positioned at the cylinder 10 when the materials to be mixed are just in the liquid state, and the water draining effect is facilitated; the position of the air extraction opening 1402 is determined by limiting the second preset distance, so that the air extraction opening 1402 is positioned at the section where the materials to be mixed are fully mixed, the small molecules are discharged, and the surface quality of the product is improved.

In some embodiments, as shown in fig. 1, the mixing device includes a vacuum pump 40 disposed on the second barrel section 140 and in communication with the extraction port 1402.

The vacuum pump 40 is provided to sufficiently suck small molecules, thereby further improving the surface quality of the product.

It should be noted that, the specific structure of the vacuum pump 40 is the prior art, and the present utility model is not repeated; the working principle of the vacuum pump 40 is that the eccentric rotor is utilized to form a change of volume in the pump cavity to discharge the gas out of the pump, mainly in the process of air suction, the volume of the air suction cavity is increased, the vacuum degree is reduced, the gas in the container is sucked into the pump cavity, the volume is reduced in the process of air discharge, the pressure is increased, and finally the sucked gas is discharged out of the pump through an oil seal.

In some embodiments, the mixing device comprises a driving assembly 20, wherein the driving assembly 20 is disposed on one end of the barrel 10 away from the discharge hole 1403, and the driving assembly 20 can drive the lead screw to rotate.

It should be noted that, the driving assembly 20 includes a driving motor and a speed reducer, a rotating shaft of the driving motor is connected to an input shaft of the speed reducer, and an output shaft of the speed reducer is connected to the lead screw, so as to drive the lead screw to rotate.

Example six

As shown in fig. 1, an embodiment of the present utility model provides a mixing device, which includes a barrel 10, a lead screw, a heating element, and a filling port 120; the cylinder 10 is provided with a feed inlet 110 and a discharge outlet 1403, wherein the feed inlet 110 is used for adding solid materials in materials to be mixed; the lead screw is rotatably arranged in the cylinder body 10, and can convey the materials to be mixed to the discharge hole 1403 after mixing; the heating element is arranged in the cylinder body 10; the filling port 120 is arranged on the cylinder 10, and the filling port 120 is used for filling liquid materials in the materials to be mixed; wherein, there is a preset distance between the filler neck 120 and the feed inlet 110, and the filler neck 120 is located between the feed inlet 110 and the discharge outlet 1403.

From the above, the heating piece is arranged to heat the material to be mixed, the guide screw is arranged to rotate to convey and mix the material to be mixed, and the kinetic energy of the molecular thermal motion of the material to be mixed is increased under the action of the shearing force of the guide screw, so that the solid material is changed into a liquid state, and the mixing effect is improved. The solid material and the liquid material are respectively added through the arrangement of the feed inlet 110 and the filling opening 120, and the feed inlet 110 is positioned between the driving component 20 and the filling opening 120, so that the solid material is heated, dispersed and mixed firstly; meanwhile, a preset distance is arranged between the feeding port 110 and the filling port 120, so that the solid materials are in a melting state when conveyed to the cylinder body 10 at the filling port 120, and at the moment, liquid materials are added into the filling port 120, so that the mixing effect of the solid materials and the liquid materials can be improved, the polarity difference of the solid materials and the liquid materials is avoided, a uniform mixing system is formed, the consistency and the stability of products are ensured, and the difference between batches and the floating product quality are reduced.

It should be further noted that the cylinder 10 includes a plurality of coaxially disposed cylinder plates, and the plurality of cylinder plates are detachably connected, and the length of each cylinder plate may be equal or unequal.

It should be noted that a hopper is disposed at the feeding port 110, and the hopper is connected to the feeding port 110 so as to add solid materials.

It should also be noted that the heating element includes, but is not limited to, an electric heating element, and the heating temperature of the heating element may be 150-180 ℃.

It should be further noted that, the solid material includes a powdery material and a granular material, and the dispersion of the powdery material in the liquid material is controlled by the wetting action of the liquid material on the powdery material and the interaction between the granular materials in the liquid material, and the wetting process of the surface of the powdery material is a process that the liquid phase and the gas phase compete for the surface of the granular material, which is mainly dependent on the polarity difference degree of the surface of the granular material and the surface of the liquid material; and the powdery material has the characteristic of agglomeration, has low polarity, and is difficult to uniformly disperse in the granular material and the liquid material to form a uniform system. Therefore, the gap between the filling port 120 and the feeding port 110 is defined to be a preset distance, so that the granular material and the powdery material are just in a melted and adhered state when being conveyed to the cylinder 10 at the filling port 120, thereby avoiding polarity difference and ensuring uniform mixing.

It should be noted that the lead screw is parallel to the axial direction of the cylinder 10, and the number of lead screws may be one or two.

As shown in fig. 1, in some embodiments, the cartridge 10 includes a first cartridge section 130 and a second cartridge section 140; the first barrel section 130 is used for melting solid materials in the materials to be mixed; the second barrel section 140 is communicated with the first barrel section 130, and the second barrel section 140 is used for carrying out liquid mixing on materials to be mixed; wherein, the feed inlet 110 and the filler 120 are both disposed on the first barrel section 130.

The first barrel section 130 and the second barrel section 140 are arranged to enable the materials to be mixed to achieve different states, and the first barrel section 130 is used for melting solid materials so as to enable the materials to be mixed in the first barrel section 130 to be in a solid-liquid mixed state; and the feed inlet 110 and the filling inlet 120 are arranged according to the state of the materials to be mixed, so that the mixing effect of the powdery materials, the granular materials and the liquid materials is ensured.

As shown in fig. 1, each of the first barrel section 130 and the second barrel section 140 includes a plurality of barrel plates.

In some embodiments, the length of the first barrel section 130 is not less than 1120mm and the length of the second barrel section 140 is not less than 1400mm; wherein the preset distance is 600-900mm.

The specific lengths of the first barrel section 130, the second barrel section 140, and the predetermined distance are set as required, for example, according to chemical characteristics of the powdery material, particle size of the powdery material, bulk density, and the like.

As shown in fig. 1, in some embodiments, the mixing device includes a metering pump 30, the metering pump 30 being disposed on the first barrel section 130 and in communication with the fill port 120.

By arranging the metering pump 30 to control the volume flow of the conveyed liquid material, the conveying accuracy can be ensured, the waste and the error are avoided, the production efficiency can be improved, and the manual intervention is reduced.

It should be noted that, the specific structure of the metering pump 30 is the prior art, and the present utility model is not repeated; the metering pump 30 is a volumetric pump which can meet various strict process flow requirements, can be steplessly adjusted within the range of 0-100% in flow rate and is used for conveying liquid; the metering pump 30 is distinguished by the fact that it is capable of maintaining a constant flow independent of the discharge pressure, while at the same time performing the functions of delivery, metering and regulation, thus simplifying the production process.

As shown in fig. 1, in some embodiments, the second barrel section 140 is provided with an air outlet 1401 and an air suction opening 1402, a first preset distance is provided between the air outlet 1401 and the feed inlet 110, and a second preset distance is provided between the air suction opening 1402 and the feed inlet 110; wherein the first preset distance is 1120-1400mm, and the second preset distance is 2240-2520mm.

By arranging the air outlet 1401 on the second barrel section 140, the water carried in the materials to be mixed is discharged, so that the water is prevented from affecting the mixing in the second barrel section 140; by arranging the air extraction opening 1402 on the second barrel section 140, small molecules released in the mixing process are discharged, so that the influence of the small molecules on the surface quality of the product is avoided; the position of the air outlet 1401 is determined by limiting the first preset interval, so that the air outlet 1401 is positioned at the cylinder 10 when the materials to be mixed are just in the liquid state, and the water draining effect is facilitated; the position of the air extraction opening 1402 is determined by limiting the second preset distance, so that the air extraction opening 1402 is positioned at the section where the materials to be mixed are fully mixed, the small molecules are discharged, and the surface quality of the product is improved.

In some embodiments, as shown in fig. 1, the mixing device includes a vacuum pump 40 disposed on the second barrel section 140 and in communication with the extraction port 1402.

The vacuum pump 40 is provided to sufficiently suck small molecules, thereby further improving the surface quality of the product.

It should be noted that, the specific structure of the vacuum pump 40 is the prior art, and the present utility model is not repeated; the working principle of the vacuum pump 40 is that the eccentric rotor is utilized to form a change of volume in the pump cavity to discharge the gas out of the pump, mainly in the process of air suction, the volume of the air suction cavity is increased, the vacuum degree is reduced, the gas in the container is sucked into the pump cavity, the volume is reduced in the process of air discharge, the pressure is increased, and finally the sucked gas is discharged out of the pump through an oil seal.

As shown in fig. 1, in some embodiments, discharge port 1403 is located on an end of second barrel section 140 remote from first barrel section 130, and discharge assembly 50 is disposed within second barrel section 140, with discharge assembly 50 located between suction port 1402 and discharge port 1403; wherein the outfeed assembly 50 comprises filter, diverter and die members arranged at intervals along the axial direction of the second barrel segment 140.

The filter piece, the flow dividing piece and the die are arranged to provide resistance to the materials to be mixed under the conveying of the guide screw, the filter piece and the flow dividing piece are used for filtering the materials to be mixed after being mixed by the mixing device, the unmilled solid materials and impurities are filtered, and meanwhile, the flow dividing piece can play a role in flow dividing, so that the mixed materials to be mixed flow into the die in a large amount, and the materials uniformly enter the die; and shaping the mixed materials to be mixed through a die to enable the mixed materials to have geometric shapes and sizes.

It should be noted that the filter includes, but is not limited to, a filter screen; the flow dividing piece is provided with a plurality of flow dividing holes.

It should also be noted that the filter element is located on the side of the shunt element away from the discharge port 1403, and the die is located on the side of the shunt element near the discharge port 1403.

In some embodiments, the lead screw is provided with a lead screw channel having a unit pitch with a volume that gradually decreases in the discharge direction of the barrel 10.

By limiting the volume change of the guide screw groove, the materials to be mixed in the cylinder 10 gradually form high pressure in the discharging direction, and the materials to be mixed gradually form high pressure along with the continuous conveying of the materials to be mixed by matching with the resistance of the discharging assembly 50, the materials to be mixed are continuously conveyed after being compacted, and in the conveying process, the solid and the liquid of each layer with relative movement are continuously mixed.

The discharging direction is parallel to the axial direction of the cylinder, and the feeding port points to the discharging port.

It should be noted that, the volume of the unit pitch of the guide screw groove gradually decreases along the discharging direction of the cylinder 10, the depth of the guide screw groove may gradually decrease along the discharging direction of the cylinder 10, the pitch of the guide screw groove may gradually decrease along the discharging direction of the cylinder 10, or the depth and the pitch of the guide screw groove may gradually decrease along the discharging direction of the cylinder 10.

In some embodiments, the mixing device comprises a driving assembly 20, wherein the driving assembly 20 is disposed on one end of the barrel 10 away from the discharge hole 1403, and the driving assembly 20 can drive the lead screw to rotate.

It should be noted that, the driving assembly 20 includes a driving motor and a speed reducer, a rotating shaft of the driving motor is connected to an input shaft of the speed reducer, and an output shaft of the speed reducer is connected to the lead screw, so as to drive the lead screw to rotate.

Example seven

As shown in fig. 1, at least one embodiment of the present utility model further provides an extruder, which includes the mixing device according to any one of the embodiments of the present utility model, so as to have all the technical effects brought by the technical solutions of the foregoing embodiments.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

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.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. A mixing device, comprising:

The device comprises a barrel, a mixing device and a mixing device, wherein a feeding hole and a discharging hole are formed in the barrel, and the feeding hole is used for adding solid materials in materials to be mixed;

The guide screw is rotatably arranged in the cylinder body and can be used for conveying the materials to be mixed to the discharge port after mixing the materials to be mixed;

The heating piece is arranged in the cylinder body; and

The filling port is arranged on the cylinder body and is used for filling liquid materials in the materials to be mixed;

The filling port is located between the feeding port and the discharging port.

2. A mixing device according to claim 1, wherein the barrel comprises:

a first barrel section for melting solid material in the material to be mixed; and

The second barrel section is communicated with the first barrel section and is used for carrying out liquid mixing on materials to be mixed;

Wherein, the feed inlet the filler opening all set up in on the first section of thick bamboo section.

3. A mixing device according to claim 2, wherein the length of the first barrel section is not less than 1120mm and the length of the second barrel section is not less than 1400mm;

wherein the preset distance is 600-900mm.

4. A mixing device according to any one of claims 2-3, wherein the mixing device comprises a metering pump arranged on the first barrel section and in communication with the filler neck.

5. A mixing device according to any one of claims 2-3, wherein the second barrel section is provided with an exhaust port and an exhaust port, a first preset distance is provided between the exhaust port and the feed port, and a second preset distance is provided between the exhaust port and the feed port;

the first preset distance is 1120-1400mm, and the second preset distance is 2240-2520mm.

6. The mixing device of claim 5, wherein the mixing device comprises a vacuum pump disposed on the second barrel section and in communication with the extraction port.

7. A mixing device according to claim 5, wherein the discharge port is located at an end of the second barrel section remote from the first barrel section, a discharge assembly being provided in the second barrel section, the discharge assembly being located between the extraction port and the discharge port;

Wherein, the ejection of compact subassembly includes filter element, reposition of redundant personnel spare and the mould of follow the axial direction interval arrangement of second section of thick bamboo section.

8. A mixing device according to any one of claims 1-3, wherein the lead screw is provided with a lead screw channel having a unit pitch volume that gradually decreases in the discharge direction of the barrel.

9. A mixing device according to any one of claims 1 to 3, wherein the mixing device comprises a drive assembly disposed on an end of the barrel remote from the outlet, and the drive assembly is capable of driving the lead screw to rotate.

10. An extruder comprising a compounding apparatus as defined in any one of claims 1 to 9.