CN213556912U

CN213556912U - Continuous extrusion forming device for powder materials

Info

Publication number: CN213556912U
Application number: CN202022538006.8U
Authority: CN
Inventors: 孙展龙; 王震; 韩斐
Original assignee: Weihai Pacific New Material Co ltd
Current assignee: Weihai Pacific New Material Co ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-06-29
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses a continuous extrusion forming device for powder materials, wherein one end of an output shaft of a speed reducer is connected with a first rotating shaft, and a first helical blade is arranged outside the first rotating shaft; the feeding device comprises a feeding barrel, a feeding port, a tray, a self-closing door, a hinge and a discharging pipe, wherein the feeding barrel is arranged at the upper part of one end of the feeding barrel; one end of the feeding barrel is provided with a forming barrel, one side of the forming barrel is provided with an extrusion head, a plurality of extrusion holes are formed in the extrusion head, one side of the extrusion head is provided with a grain cutting knife, the grain cutting knife is installed on the first rotating shaft, one side of the grain cutting knife is in contact with the extrusion head, and one side of the forming barrel is provided with a discharge hole. The utility model discloses set up the self-closing door in feed inlet one side, utilized the material bag to open the self-closing door during reinforced, self-closing door self-closing under the effect of dead weight after reinforced completion has avoided the powder material to cause the raise dust in the factory building outside.

Description

Continuous extrusion forming device for powder materials

Technical Field

The utility model belongs to the technical field of the material processing, in particular to continuous extrusion device of powder material.

Background

Granulation refers to the process of preparing solid particles with certain shape and strength from various powdery, blocky, solution or molten raw materials. The significance of this process lies in: the material can be made into an ideal structure and shape, the uniformity of the mixture is kept, the condition of physical and chemical reaction of the material is improved, and the caking phenomenon in the production process of certain solid-phase substances is prevented; the fluidity of the material is improved, and the continuous and automatic operation of the powder is favorably and smoothly carried out; controlling the dissolution rate of the product, etc.

The current common granulation methods in industry are: compression granulation, crushing granulation, spray drying granulation, extrusion granulation, agglomeration granulation, fluidization spray granulation and the like. These processes have characteristics, but have problems to be solved simultaneously, for example, when the existing granulator is used for feeding, especially when powder materials are fed, because the dead weight of the powder materials is light, dust is easy to generate, the environment of a factory is affected, and health hidden troubles are brought to operators.

Disclosure of Invention

The utility model aims at overcoming not enough among the prior art, providing the continuous extrusion device of powder material, set up the self-closing door in feed inlet one side, utilize the material bag to open the self-closing door during reinforced, self-closing door self-closing under the effect of dead weight after reinforced completion has avoided the powder material to cause the raise dust in the factory building outside.

In order to realize the purpose, the utility model discloses a technical scheme is:

the continuous extrusion forming device for the powder materials comprises a motor, a feeding barrel and a guide barrel, wherein a speed reducer is arranged on one side of the motor, one end of an output shaft of the speed reducer is connected with a first rotating shaft, the first rotating shaft is arranged inside the feeding barrel, and a first helical blade is arranged outside the first rotating shaft and used for conveying the powder materials; the feeding device comprises a feeding barrel, a material guide barrel, a feeding port, a tray, a self-closing door and a hinge, wherein the material guide barrel is arranged at the upper part of one end of the feeding barrel, one side of the upper part of the material guide barrel is provided with the feeding port, the tray is arranged outside the feeding port and used for supporting a material bag, the self-closing door is arranged inside the feeding port, the size of the self-closing door is larger than that of the feeding port, the upper end of; the self-closing door is opened by using the material bag during feeding, and is automatically closed under the action of self weight after feeding is finished, so that dust flying caused by powder materials outside a plant is avoided; one end of the feeding barrel is provided with a forming barrel, one side of the forming barrel is provided with an extrusion head, the extrusion head is provided with a plurality of extrusion holes, one side of the extrusion head is provided with a grain cutting knife, the grain cutting knife is installed on the first rotating shaft, one side of the grain cutting knife is in contact with the extrusion head, and one side of the forming barrel is provided with a discharge hole; the powder material is columnar outflow from the extrusion hole under the extrusion effect of extrusion head, and first pivot drives the eager grain sword and rotates and cut the granulation to the columnar material of extruding to flow out from the discharge gate.

As a further preferred option of the technical scheme, the dicing cutter comprises a cutter ring, a cutter handle and a cutting edge integrally formed with the cutter handle, a plurality of first slots are formed in the outer ring of the cutter ring, and the cutter handle is detachably inserted into the first slots; different numbers of cutting edges are symmetrically inserted on the cutter ring, so that the requirements of different granulation lengths of the powder materials are conveniently met.

As a further optimization of the technical scheme, one side of the knife ring is provided with a plurality of second slots, the second slots are matched with the knife handle, the second slots are convenient for the knife edges to be stored after being pulled out, and the knife edges are prevented from being lost.

As a further optimization of the technical scheme, the section of the cutter handle is rectangular or triangular, so that the rotation of the granulating cutter in use is avoided.

As a further preferred of this technical scheme, the inside scraper blade that is equipped with of a shaping section of thick bamboo, the scraper blade is installed in first pivot, and the one end of scraper blade contacts with the inner wall of a shaping section of thick bamboo, and the scraper blade is used for scraping out the inside shaping powder material of a shaping section of thick bamboo, has avoided powder material to pile up inside a shaping section of thick bamboo.

As the further optimization of the technical scheme, the scraper is an elastic scraper, so that the inner wall of the forming cylinder is prevented from being abraded by the scraper.

As a further preferred of this technical scheme, first pivot one end is equipped with splint, is equipped with on the splint and presss from both sides the groove, the scraper blade is installed inside pressing from both sides the inslot to be connected through bolt and splint detachably, the detachable scraper blade is convenient for change after the scraper blade wearing and tearing.

As a further preferred aspect of the present technical solution, the thickness of the lower portion of the self-closing door is greater than the thickness of the upper portion, which is beneficial to increase the weight of the lower portion of the self-closing door, thereby facilitating the rapid closing of the self-closing door.

As a further optimization of the technical scheme, the first helical blade is a variable-pitch blade, the pitch close to one side of the forming cylinder is smaller than the pitch close to one side of the guide cylinder, and the first helical blade pre-extrudes the powder material in the conveying process of the powder material, so that the forming effect of the powder material is ensured.

As a further preferred option of the technical scheme, a driving sprocket is arranged on one side of the first rotating shaft, a transmission shaft is arranged inside the guide cylinder, a support plate is arranged on one side of the transmission shaft, the lower end of the support plate is mounted on the outer wall of the feeding cylinder, a driven sprocket is arranged at one end of the transmission shaft, a driving gear is arranged at the other end of the transmission shaft, the driving sprocket is connected with the driven sprocket through a chain, a second rotating shaft is arranged inside the guide cylinder, bearings are arranged at two ends of the second rotating shaft, the outer rings of the bearings are connected with the inner wall of the guide cylinder through a plurality of connecting rods, second helical blades are arranged on the second rotating; the driving chain wheel drives the driven chain to rotate through the chain, so that the transmission shaft is driven to rotate, the rotating shaft drives the second rotating shaft to rotate through gear transmission, and therefore the second helical blade is driven to rotate, and powder materials are prevented from blocking the guide cylinder.

The utility model has the advantages that:

1) the utility model discloses set up the self-closing door in feed inlet one side, utilized the material bag to open the self-closing door during reinforced, self-closing door self-closing under the effect of dead weight after reinforced completion has avoided the powder material to cause the raise dust in the factory building outside.

2) The granulating cutter comprises a cutter ring, a cutter handle and a cutting edge which is integrally formed with the cutter handle, a plurality of first slots are formed in the outer ring of the cutter ring, and the cutter handle is detachably inserted into the first slots; different numbers of cutting edges are symmetrically inserted on the cutter ring, so that the requirements of different granulation lengths of the powder materials are conveniently met.

3) One side of the knife ring is provided with a plurality of second slots which are matched with the knife handle, and the second slots are convenient for the knife edge to be stored after being pulled out, so that the knife edge is prevented from being lost.

4) The cross section of the cutter handle is rectangular or triangular, so that the rotation of the granulating cutter in use is avoided.

5) The inside scraper blade that is equipped with of a shaping section of thick bamboo, the scraper blade is installed in first pivot, and the one end of scraper blade contacts with the inner wall of a shaping section of thick bamboo, and the scraper blade is used for scraping out the inside shaping powder material of a shaping section of thick bamboo, has avoided the powder material to pile up inside a shaping section of thick bamboo.

6) The scraper is an elastic scraper, so that the inner wall of the forming cylinder is prevented from being abraded by the scraper.

7) First pivot one end is equipped with splint, is equipped with on the splint and presss from both sides the groove, and the scraper blade is installed inside pressing from both sides the groove to be connected with splint detachably through the bolt, the detachable scraper blade is convenient for change after the scraper blade wearing and tearing.

8) The thickness of the lower part of the self-closing door is larger than that of the upper part of the self-closing door, so that the weight of the lower part of the self-closing door can be increased, and the self-closing door can be closed quickly.

9) First helical blade is variable pitch blade, and the pitch that is close to forming cylinder one side is less than the pitch that is close to guide cylinder one side, and powder material is at transportation process, and first helical blade extrudees the powder material in advance, has guaranteed the shaping effect of powder material.

10) The driving chain wheel drives the driven chain to rotate through the chain, so that the transmission shaft is driven to rotate, the rotating shaft drives the second rotating shaft to rotate through gear transmission, and therefore the second helical blade is driven to rotate, and powder materials are prevented from blocking the guide cylinder.

Drawings

FIG. 1 is a schematic structural view of the continuous extrusion molding device for powder materials.

FIG. 2 is the schematic diagram of the internal structure of the continuous extrusion forming device for powder materials.

FIG. 3 is a schematic view of the internal structure of a forming tube in the continuous extrusion forming apparatus for powder material.

Fig. 4 is a schematic structural view of a granulating cutter in the continuous extrusion forming device for powder materials.

Fig. 5 is a schematic view of the internal structure of a material guiding cylinder in the continuous extrusion forming device for powder materials.

FIG. 6 is a schematic view of the installation of the self-closing door in the continuous extrusion molding device for powder material of the present invention.

In the figure: 1. a motor; 2. a speed reducer; 3. a first rotating shaft; 4. a feed cylinder; 5. a first helical blade; 6. a forming cylinder; 7. an extrusion head; 8. a grain cutting knife; 9. a knife ring; 10. a blade; 11. a knife handle; 12. a first slot; 13. a second slot; 14. a discharge port; 15. a squeegee; 16. a splint; 17. a material guide cylinder; 18. a feed inlet; 19. a tray; 20. a self-closing door; 21. a second rotating shaft; 22. a second helical blade; 23. a bearing; 24. a connecting rod; 25. a driven gear; 26. a drive sprocket; 27. a driven sprocket; 28. a drive shaft; 29. a driving gear; 30. a chain; 31. a support plate;

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-6, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description of the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, a particular orientation configuration, and operation, and therefore, should not be construed as limiting the present invention.

The continuous extrusion forming device for the powder materials comprises a motor 1, a feeding barrel 4 and a guide barrel 17, wherein a speed reducer 2 is arranged on one side of the motor 1, one end of an output shaft of the speed reducer 2 is connected with a first rotating shaft 3, the first rotating shaft 3 is arranged inside the feeding barrel 4, and a first spiral blade 5 is arranged outside the first rotating shaft 3 and used for conveying the powder materials; the material guide cylinder 17 is arranged at the upper part of one end of the feeding cylinder 4, a feeding hole 18 is formed in one side of the upper part of the material guide cylinder 17, a tray 19 is arranged outside the feeding hole 18 and used for supporting a material bag, a self-closing door 20 is arranged inside the feeding hole 18, the size of the self-closing door 20 is larger than that of the feeding hole 18, the upper end of the self-closing door 20 is movably connected to the inner wall of the feeding hole 18 through a hinge, and the lower end of the self-closing door 20 is; the self-closing door 20 is opened by using the material bag during feeding, and the self-closing door 20 is automatically closed under the action of self weight after feeding is finished, so that dust flying caused by powder materials outside a factory building is avoided; one end of the feeding barrel 4 is provided with a forming barrel 6, one side of the forming barrel 6 is provided with an extrusion head 7, the extrusion head 7 is provided with a plurality of extrusion holes, one side of the extrusion head 7 is provided with a grain cutting knife 8, the grain cutting knife 8 is installed on the first rotating shaft 3, one side of the grain cutting knife 8 is in contact with the extrusion head 7, and one side of the forming barrel 6 is provided with a discharge hole 14; the powder material is in a columnar shape and flows out from the extrusion hole under the extrusion action of the extrusion head 7, the first rotating shaft 3 drives the granulating cutter 8 to rotate to cut and granulate the extruded columnar material, and the material flows out from the discharge hole 14.

In this embodiment, the dicing cutter 8 includes a cutter ring 9, a cutter handle 11, and a cutting edge 10 integrally formed with the cutter handle 11, wherein a plurality of first slots 12 are formed on an outer ring of the cutter ring 9, and the cutter handle 11 is detachably inserted into the first slots 12; different numbers of blades 10 are symmetrically inserted into the blade ring 9, so that the requirements of different granulation lengths of the powder materials are met.

In this embodiment, a plurality of second slots 13 are arranged on one side of the knife ring 9, the second slots 13 are matched with the knife handle 11, and the second slots 13 are convenient for the knife edge 10 to be stored after being pulled out, so that the knife edge 10 is prevented from being lost.

In this embodiment, the section of the tool shank 11 is rectangular or triangular, so that the rotation of the dicing blade 8 in use is avoided.

In this embodiment, a scraper 15 is arranged inside the forming cylinder 6, the scraper 15 is installed on the first rotating shaft 3, one end of the scraper 15 contacts with the inner wall of the forming cylinder 6, and the scraper 15 is used for scraping out the forming powder material inside the forming cylinder 6, so that the powder material is prevented from being accumulated inside the forming cylinder 6.

In this embodiment, the scraper 15 is an elastic scraper 15, so that the scraper 15 is prevented from wearing the inner wall of the forming cylinder 6.

In this embodiment, a clamping plate 16 is arranged at one end of the first rotating shaft 3, a clamping groove is formed in the clamping plate 16, the scraper 15 is installed inside the clamping groove and detachably connected with the clamping plate 16 through a bolt, and the detachable scraper 15 is convenient to replace after the scraper 15 is worn.

In this embodiment, the thickness of the lower portion of the self-closing door 20 is greater than the thickness of the upper portion, which facilitates an increase in the weight of the lower portion of the self-closing door 20 and thus facilitates rapid closing of the self-closing door 20.

In this embodiment, first helical blade 5 is the variable pitch blade, and the pitch that is close to forming cylinder 6 one side is less than the pitch that is close to guide cylinder 17 one side, and powder material is at the transportation process, and first helical blade 5 extrudees the powder material in advance, has guaranteed the shaping effect of powder material.

In this embodiment, a driving sprocket 26 is disposed on one side of the first rotating shaft 3, a transmission shaft 28 is disposed inside the guide cylinder 17, a support plate 31 is disposed on one side of the transmission shaft 28, the lower end of the support plate 31 is mounted on the outer wall of the feeding cylinder 4, a driven sprocket 27 is disposed at one end of the transmission shaft 28, a driving gear 29 is disposed at the other end of the transmission shaft 28, the driving sprocket 26 is connected to the driven sprocket 27 through a chain 30, a second rotating shaft 21 is disposed inside the guide cylinder 17, bearings 23 are disposed at two ends of the second rotating shaft 21, the outer ring of each bearing 23 is connected to the inner wall of the guide cylinder 17 through a plurality of connecting rods 24, a second helical blade 22 is disposed on the second rotating shaft 21, and; the driving sprocket 26 drives the driven chain 30 to rotate through the chain 30, so as to drive the transmission shaft 28 to rotate, and the rotation shaft drives the second rotation shaft 21 to rotate through gear transmission, so as to drive the second helical blade 22 to rotate, thereby preventing the powder material from blocking the material guiding cylinder 17.

The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.

Claims

1. The continuous extrusion forming device for the powder materials comprises a motor, a feeding barrel and a guide barrel, wherein a speed reducer is arranged on one side of the motor, one end of an output shaft of the speed reducer is connected with a first rotating shaft, the first rotating shaft is arranged inside the feeding barrel, and a first helical blade is arranged outside the first rotating shaft; the feeding device is characterized in that a self-closing door is arranged inside the feeding hole, the size of the self-closing door is larger than that of the feeding hole, the upper end of the self-closing door is movably connected to the inner wall of the feeding hole through a hinge, and the lower end of the self-closing door is a free end; feeding barrel one end is equipped with a shaping section of thick bamboo, a shaping section of thick bamboo one side is equipped with the extrusion head, is equipped with a plurality of extrusion holes on the extrusion head, extrusion head one side is equipped with cuts a grain sword, cuts a grain sword and installs in first pivot, and cuts grain sword one side and contact with the extrusion head, a shaping section of thick bamboo one side is equipped with the discharge gate.

2. The continuous powder material extrusion molding device as claimed in claim 1, wherein the pellet cutter includes a cutter ring, a cutter handle, and a cutting edge integrally formed with the cutter handle, the outer ring of the cutter ring is provided with a plurality of first slots, and the cutter handle is detachably inserted into the first slots.

3. The continuous extrusion molding device for powder materials as claimed in claim 2, wherein one side of the knife ring is provided with a plurality of second slots, and the second slots are matched with the knife handle.

4. The continuous extrusion molding device for powder materials as claimed in claim 2 or 3, wherein the cross section of the knife handle is rectangular or triangular.

5. The continuous extrusion molding apparatus for powder material as claimed in claim 1, wherein the forming tube is provided therein with a scraper, the scraper is mounted on the first rotating shaft, and one end of the scraper is in contact with an inner wall of the forming tube.

6. The continuous powder material extrusion molding apparatus as claimed in claim 5, wherein the scraper is an elastic scraper.

7. The continuous extrusion molding apparatus for powdery materials as claimed in claim 5 or 6, wherein a clamping plate is provided at one end of the first rotating shaft, a clamping groove is provided on the clamping plate, and the scraper is installed inside the clamping groove and detachably connected with the clamping plate through a bolt.

8. The continuous extrusion molding apparatus for powdery material as claimed in claim 1, wherein the thickness of the lower part of the self-closing door is larger than that of the upper part.

9. The continuous extrusion molding apparatus for powder materials as claimed in claim 1, wherein the first helical blade is a variable pitch blade, and the pitch of the first helical blade near the molding barrel is smaller than the pitch of the first helical blade near the guiding barrel.

10. The continuous extrusion molding apparatus for powder material as claimed in claim 1, wherein a driving sprocket is provided on one side of the first rotating shaft, a driving shaft is provided inside the guide cylinder, a supporting plate is provided on one side of the driving shaft, a lower end of the supporting plate is mounted on an outer wall of the feeding cylinder, a driven sprocket is provided on one end of the driving shaft, a driving gear is provided on the other end of the driving shaft, the driving sprocket and the driven sprocket are connected by a chain, a second rotating shaft is provided inside the guide cylinder, bearings are provided on two ends of the second rotating shaft, an outer ring of the bearing is connected with an inner wall of the guide cylinder by a plurality of connecting rods, a second helical blade is provided on the second rotating shaft.