CN210646272U - Three-stage degassing pre-compression feeding mechanism of vertical dry-method tabletting granulator - Google Patents
Three-stage degassing pre-compression feeding mechanism of vertical dry-method tabletting granulator Download PDFInfo
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- CN210646272U CN210646272U CN201921361384.4U CN201921361384U CN210646272U CN 210646272 U CN210646272 U CN 210646272U CN 201921361384 U CN201921361384 U CN 201921361384U CN 210646272 U CN210646272 U CN 210646272U
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Abstract
The utility model discloses a tertiary degasification precompression feeding mechanism of vertical dry process preforming granulator belongs to the granulator field. The utility model discloses a feeding mechanism, including the vertical precompression feeding mechanism of one-level, the horizontal precompression feeding mechanism of second grade, the vertical precompression feeding mechanism of tertiary and force feed auger mechanism that connect gradually, the compression section of the vertical precompression feeding mechanism of one-level is equipped with evacuation mechanism No. one, and the horizontal precompression feeding mechanism's of second grade compression section is equipped with evacuation mechanism No. two, and the vertical precompression feeding mechanism's of tertiary compression section is equipped with evacuation mechanism No. three. The utility model discloses utilize tertiary feeding mechanism to carry the compression material step by step to all be equipped with evacuation mechanism in every level feeding mechanism's compression section, realize the tertiary degasification precompression of powdery material, make the powdery material get into just have higher density before forcing feed mechanism, reach the best material precompression state, improved the productivity of dry process preforming granulation, reduced the preforming and the pelletization degree of difficulty.
Description
Technical Field
The utility model relates to a vertical dry process granulator, more specifically say, relate to a three-level degasification precompression feeding mechanism of vertical dry process preforming granulator.
Background
The dry granulating machine is widely used in the industries of medicine, food, chemical industry and the like, and is mainly used for pressing powdery materials into tablets or granulating. The existing dry granulating machine mainly comprises a feeding mechanism, a rolling mechanism, a pre-crushing mechanism, a granulating mechanism and the like, and because the materials used for granulating or tabletting are powdery loose materials, the key process is that the feeding mechanism uniformly sends the materials to the rolling mechanism for compaction. The gas content of the powdery loose materials is large, so that the powdery loose materials are difficult to enter the rolling mechanism tightly, and a lot of powdery materials are difficult to be tabletted or granulated.
Based on the above problems, the Chinese patent number ZL200620020644.8, the publication date of the authorization is 7 and 11 days in 2007, and the invention name creation is as follows: suspension type dry process granulator, this application relates to a suspension type dry process granulator, it includes feeding mechanism, drive shaft and squeeze roll, feeding mechanism, drive shaft and squeeze roll are all installed on keeping apart the corrosion resistant plate, feeding mechanism includes horizontal feeding mechanism and connects the perpendicular feeding mechanism behind horizontal feeding mechanism, horizontal feeding mechanism and perpendicular feeding mechanism are the auger, perpendicular feeding mechanism's discharge end lower part is the pelletization mechanism of constituteing by a pair of squeeze roll, the squeeze roll hangs the one end of installing at the drive shaft, the other end of drive shaft passes and keeps apart the corrosion resistant plate and links to each other with driving motor, set up vacuum exhaust apparatus on perpendicular feeding apparatus. According to the application, the vacuum exhaust device is additionally arranged at the vertical feeding section to exhaust air in the materials, so that the materials are pre-compressed and then are led into the extrusion roller, and granulation of the powder materials is realized. The Chinese patent number ZL201520976002.4, the granted announcement date is 2016, 4 and 20, and the invention name creation is as follows: the application discloses a vacuum exhaust device of a feeding mechanism of a dry type granulator, which comprises a feeding box, a vacuum pipeline, a supporting structure and a filtering structure; the feeding box comprises a feeding box base body and a sealing cavity formed inside the feeding box base body; the vacuum pipeline is communicated with the sealing chamber; the supporting structure is arranged in the sealed cavity; the filtering structure is accommodated in the sealed cavity and comprises a filtering structure body arranged on the supporting structure and a feeding cavity which is enclosed by the filtering structure body in the circumferential direction, the feeding cavity is arranged around the feeding screw rod, and an annular exhaust channel is formed between the outer circumferential wall of the filtering structure body and the inner circumferential wall of the sealed cavity. This application provides an effective scheme of the quick exhaust precompression of powdered bulk material, can improve the vacuum efficiency of bleeding.
The dry granulator improves the pre-compression effect of the powder material to a certain extent by utilizing the vacuum exhaust scheme of the feeding mechanism, and ensures that the powder material can be smoothly compacted. But to the fluffy powder material of drying, its feeding mechanism all communicates with hopper, compression roller mechanism part, and prior art only designs evacuating device at the anterior segment that gets into the compression roller, is difficult to guarantee precompression evacuation needs, all is difficult to realize effective precompression to a lot of materials, and the density of direct influence preforming or pelletization can't guarantee the efficiency and the product quality of preforming or pelletization.
Therefore, there is a need for an improved feeding mechanism for a dry granulator for the granulation of a fluffy powder material.
Disclosure of Invention
1. Technical problem to be solved by the utility model
The utility model aims to overcome that current dry process granulator has that material exhaust precompression effect is poor, production efficiency low grade is not enough, provides a tertiary degasification precompression feeding mechanism of vertical dry process preforming granulator, adopts the technical scheme of the utility model, utilize tertiary feeding mechanism to carry the compression material step by step to all be equipped with evacuation mechanism at every level feeding mechanism's compression section, realize the tertiary degasification precompression of powdered material, just have higher material density before making powdered material get into forced feed auger mechanism, reach optimal material precompression state, improved the efficiency and the productivity of dry process preforming or granulation, reduced the preforming and the pelletization degree of difficulty.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a vertical dry process preforming granulator tertiary degasification precompression feeding mechanism locates before host computer compression roller mechanism, including one-level vertical precompression feeding mechanism, second grade horizontal precompression feeding mechanism, tertiary vertical precompression feeding mechanism and forced feed auger mechanism, one-level vertical precompression feeding mechanism's feed inlet be connected with the material storehouse, one-level vertical precompression feeding mechanism's discharge gate is connected with second grade horizontal precompression feeding mechanism's feed inlet, second grade horizontal precompression feeding mechanism's discharge gate be connected with third grade vertical precompression feeding mechanism's feed inlet, third grade vertical precompression feeding mechanism's discharge gate be connected with forced feed auger mechanism's feed inlet, forced feed auger mechanism's discharge gate be connected with host computer compression roller mechanism; the compression section of the first-stage vertical precompression feeding mechanism is provided with a first vacuumizing mechanism, the compression section of the second-stage horizontal precompression feeding mechanism is provided with a second vacuumizing mechanism, and the compression section of the third-stage vertical precompression feeding mechanism is provided with a third vacuumizing mechanism.
Furthermore, the first-stage vertical pre-compression feeding mechanism, the second-stage horizontal pre-compression feeding mechanism, the third-stage vertical pre-compression feeding mechanism and the forced feeding auger mechanism all adopt auger conveying mechanisms.
Furthermore, the vertical precompression feeding mechanism of one-level include the one-level pay-off body of vertical setting, vertically locate the one-level double helix auger in the one-level pay-off body and with the one-level driving motor that the auger shaft transmission of one-level double helix auger is connected, the rotation direction of two auger shafts of one-level double helix auger opposite.
Furthermore, the second-stage transverse pre-compression feeding mechanism comprises a second-stage feeding pipe body arranged transversely, a second-stage packing auger arranged transversely in the second-stage feeding pipe body, and a second-stage driving motor in transmission connection with a packing auger shaft of the second-stage packing auger.
Furthermore, the three-level vertical pre-compression feeding mechanism comprises a vertically arranged three-level feeding pipe body, a vertically arranged three-level packing auger in the three-level feeding pipe body and a three-level driving motor in transmission connection with a packing auger shaft of the three-level packing auger, and the three-level feeding pipe body is of a conical structure with a large upper part and a small lower part.
Furthermore, the forced feeding auger mechanism comprises a feeding pipe body arranged transversely, a feeding auger arranged transversely in the feeding pipe body, and a feeding driving motor in transmission connection with an auger shaft of the feeding auger.
Furthermore, the third vacuumizing mechanism comprises a third cylinder shell and a third metal sintering filter screen, a first flange is arranged at the upper end of the third cylinder shell, a second flange is arranged at the lower end of the third cylinder shell, two ends of the third metal sintering filter screen are fixedly connected with the inner walls of the first flange and the second flange respectively, an annular air exhaust channel is formed between the third cylinder shell and the third metal sintering filter screen and is respectively communicated with the filter screen back flushing system and the vacuum pump valve group, the upper end of the third cylinder shell is fixedly connected with the lower end of a third feeding pipe body of the third-level vertical pre-compression feeding mechanism through the first flange, and the lower end of the third cylinder shell is fixedly connected with a feeding pipe body feeding port of the forced feeding auger mechanism through the second flange.
Furthermore, No. two evacuation mechanism include No. two barrel casings and No. two metal sintering filter screens, the left end of No. two barrel casings be equipped with flange three, the right-hand member is equipped with flange four, the both ends of No. two metal sintering filter screens link firmly with the inner wall of flange three and flange four respectively, form annular air bleed passage between No. two barrel casings and No. two metal sintering filter screens, this annular air bleed passage is linked together with filter screen blowback system and vacuum pump valves respectively, the left end of No. two barrel casings pass through flange three and the vertical feed inlet fixed connection of tertiary precompression feeding mechanism, the right-hand member of No. two barrel casings pass through flange four and the horizontal precompression feeding mechanism's of second grade feeding body left end fixed connection of second grade.
Furthermore, the first vacuumizing mechanism comprises a first cylinder shell and a first metal sintering filter screen, the first cylinder shell is formed by assembling a left semicircular shell, a right semicircular shell and two straight walls to form a cylinder with a runway structure, and the two semicircular shells are fixedly connected with the corresponding straight walls through a sixth flange; the upper end of a cylinder shell be equipped with flange five, the lower extreme is equipped with flange seven, a cylinder shell about two semicircular shell inboards be equipped with a metal sintering filter screen respectively, two semicircular ring shape pumping channel about two semicircular shell inboards form of a cylinder shell about, two semicircular ring shape pumping channel equally divide and do not be linked together with filter screen blowback system and vacuum pump valves, the upper end of a cylinder shell pass through flange five and the vertical precommpression feeding mechanism's of one-level pay-off body lower extreme fixed connection, the lower extreme of a cylinder shell pass through flange seven and the horizontal precommpression feeding mechanism's of second grade feed inlet fixed connection.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:
(1) the utility model discloses a vertical dry process preforming granulator tertiary degasification precompression feeding mechanism, it includes one-level vertical precompression feeding mechanism, second grade horizontal precompression feeding mechanism, tertiary vertical precompression feeding mechanism and compulsory feed auger mechanism, the compression section of one-level vertical precompression feeding mechanism is equipped with No. one evacuation mechanism, the compression section of second grade horizontal precompression feeding mechanism is equipped with No. two evacuation mechanisms, the compression section of tertiary vertical precompression feeding mechanism is equipped with No. three evacuation mechanisms, utilize tertiary feeding mechanism to carry the compressed material step by step, and realize the tertiary degasification precompression of powdery material through the evacuation mechanism of each feeding mechanism compression section, make the powdery material have higher material density before entering compulsory feed auger mechanism, reach the best material precompression state, the efficiency and the productivity of dry process preforming or granulation have been improved, the tablet pressing and granulating difficulty is reduced;
(2) the utility model discloses a vertical dry process preforming granulator tertiary degasification precompression feeding mechanism, its first order vertical precompression feeding mechanism, second level horizontal precompression feeding mechanism, tertiary vertical precompression feeding mechanism and forced feed auger mechanism all adopt auger conveying mechanism, and is effectual to the transport of powdery material, and simple structure is compact, and sealed effect is high, prevents effectively that the dust from flying upward;
(3) the utility model discloses a vertical dry process preforming granulator tertiary degasification precompression feeding mechanism, it adopts two-stage vertical precompression feeding mechanism and two-stage horizontal conveyor, and vertical precompression feeding mechanism can utilize material self action of gravity, combines the evacuation effect, makes powdered material discharge the air fast and compress, has improved the precompression effect and the efficiency of powdered material;
(4) the utility model discloses a vertical dry method sheeting granulator tertiary degasification precompression feeding mechanism, its one-level vertical precompression feeding mechanism adopts double helix auger structure, the speed of conveying the powdery material is faster, the efficiency is higher; the three-stage feeding pipe body is of a conical structure with a large upper part and a small lower part, has better gathering and compressing effects on materials, is favorable for improving the density of the materials after pre-compression and is convenient for subsequent forced feeding, tabletting and granulating;
(5) the utility model discloses a vertical dry process preforming granulator tertiary degasification precompression feeding mechanism, its evacuation mechanism comprises barrel shell and metal sintering filter screen bleed-off passage, bleed-off passage is linked together with filter screen blowback system and vacuum pump valves respectively, utilize metal sintering filter screen to realize ventilative and not the effect of passing through powder, combine vacuum pump valve group to exhaust the compression section of feeding mechanism, and utilize filter screen blowback system to carry out the blowback clearance to metal sintering filter screen, make metal sintering filter screen need not to dismantle the clearance, the equipment maintenance of being convenient for;
(6) the utility model discloses a tertiary degasification precompression feeding mechanism of vertical dry process preforming granulator, its each evacuation mechanism adopt flange joint with precompression feeding mechanism at different levels respectively, and connection structure is firm reliable, connects simple and conveniently.
Drawings
Fig. 1 is a schematic structural view of a three-stage degassing, pre-compression and feeding mechanism of a vertical dry-method tabletting granulator of the present invention;
fig. 2 is a schematic sectional view of a third vacuum pumping mechanism of the present invention;
fig. 3 is a schematic sectional view of a second vacuum pumping mechanism of the present invention;
fig. 4 is a schematic sectional view of the first vacuum pumping mechanism of the present invention;
fig. 5 is a schematic top view of the first vacuum pumping mechanism of the present invention.
The reference numerals in the schematic drawings illustrate:
1. a main machine compression roller mechanism; 2. a forced feeding auger mechanism; 3. a three-stage vertical pre-compression feeding mechanism; 4. a third vacuumizing mechanism; 5. a second vacuumizing mechanism; 6. a secondary transverse precompression feeding mechanism; 7. a first vacuumizing mechanism; 8. a first-stage vertical pre-compression feeding mechanism; 9. a filter screen blowback system; 10. a first flange; 11. a third metal sintered filter screen; 12. a second flange; 13. a third cylinder shell; 14. a vacuum pump valve block; 15. a third flange; 16. a second horn housing; 17. a second metal sintered filter screen; 18. fourthly, a flange; 19. a horn housing; 20. fifthly, forming a flange; 21. a first metal sintered filter screen; 22. a sixth flange; 23. and a seventh flange.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Examples
Referring to fig. 1, the three-stage degassing and pre-compression feeding mechanism of the vertical dry-method tabletting granulator of the present embodiment is disposed in front of the main machine roller mechanism 1, and is configured to feed a material to the main machine roller mechanism 1, compress the material into tablets by the main machine roller mechanism 1, and then crush the tablets into granules as required. The three-stage degassing and precompression feeding mechanism of the vertical dry tabletting granulator comprises a first-stage vertical precompression feeding mechanism 8, a second-stage horizontal precompression feeding mechanism 6, a third-stage vertical precompression feeding mechanism 3 and a forced feeding auger mechanism 2, wherein a feed inlet of the first-stage vertical precompression feeding mechanism 8 is connected with a material bin, a discharge outlet of the first-stage vertical precompression feeding mechanism 8 is connected with a feed inlet of the second-stage horizontal precompression feeding mechanism 6, a discharge outlet of the second-stage horizontal precompression feeding mechanism 6 is connected with a feed inlet of the third-stage vertical precompression feeding mechanism 3, a discharge outlet of the third-stage vertical precompression feeding mechanism 3 is connected with a feed inlet of the forced feeding auger mechanism 2, and a discharge outlet of. A first vacuumizing mechanism 7 is arranged at the compression section of the first-stage vertical pre-compression feeding mechanism 8 and is used for exhausting and compressing the materials at the compression section of the first-stage feeding mechanism; a second vacuumizing mechanism 5 is arranged at the compression section of the second-stage transverse pre-compression feeding mechanism 6 and is used for exhausting and compressing the materials at the compression section of the second-stage feeding mechanism; and a third vacuumizing mechanism 4 is arranged at the compression section of the third-stage vertical pre-compression feeding mechanism 3 and used for exhausting and compressing the materials at the compression section of the third-stage feeding mechanism. Utilize tertiary feeding mechanism to carry the compression material step by step to the evacuation mechanism through every grade of feeding mechanism compression section realizes the tertiary degasification precompression of powdered material, and the material is more ideal at the transportation in-process exhaust effect, makes powdered material get into just to have higher material density before the forced feed auger mechanism, reaches the best material precompression state, has improved the efficiency and the productivity of dry process preforming or granulation, has reduced the preforming and has pelletized the degree of difficulty.
As shown in figure 1, the first-stage vertical pre-compression feeding mechanism 8, the second-stage horizontal pre-compression feeding mechanism 6, the third-stage vertical pre-compression feeding mechanism 3 and the forced feeding auger mechanism 2 all adopt auger conveying mechanisms, so that the conveying effect on powdery materials is good, the structure is simple and compact, the sealing effect is high, and dust is effectively prevented from flying. Specifically, the vertical precommpression feeding mechanism 8 of one-level includes the one-level pay-off body of vertical setting, the vertical one-level double helix auger of locating in the one-level pay-off body, and the one-level driving motor who is connected with the auger shaft transmission of one-level double helix auger, one-level driving motor is fixed in the upper end of one-level pay-off body, the direction of rotation of two auger shafts of one-level double helix auger is opposite, the gear engagement transmission that two structures are the same of two auger shaft accessible, pass through two auger shaft synchronous revolution of reduction gear drive by a set of one-level driving motor, utilize double helix auger, the speed of carrying powdered material. The second-stage transverse pre-compression feeding mechanism 6 comprises a second-stage feeding pipe body which is transversely arranged, a second-stage packing auger which is transversely arranged in the second-stage feeding pipe body, and a second-stage driving motor which is in transmission connection with a packing auger shaft of the second-stage packing auger, wherein a feeding hole is formed in the upper part of the second-stage feeding pipe body, a flange structure is arranged at the feeding hole, and the second-stage driving motor is connected with the packing auger shaft of the second-stage packing auger through a speed reducer. The three-level vertical pre-compression feeding mechanism 3 comprises a vertically arranged three-level feeding pipe body, a three-level packing auger vertically arranged in the three-level feeding pipe body and a three-level driving motor in transmission connection with a packing auger shaft of the three-level packing auger, wherein the three-level driving motor is arranged at the top of the three-level feeding pipe body, and an output shaft of the three-level driving motor is connected with the packing auger shaft of the three-level packing auger through a speed reducer and is used for driving the three-level packing auger; the three-stage feeding pipe body adopts a big-end-up conical structure, the side wall of the three-stage feeding pipe body is provided with a feeding hole, the feeding hole is provided with a flange structure, the big-end-up conical feeding pipe body is adopted, the material has better gathering and compressing effect, the density after the material pre-compression is favorably improved, and the follow-up forced feeding tabletting granulation is facilitated. The forced feeding auger mechanism 2 comprises a transversely arranged feeding pipe body, a feeding auger transversely arranged in the feeding pipe body and a feeding driving motor in transmission connection with an auger shaft of the feeding auger, wherein a feeding port is formed in the upper part of the feeding pipe body, the feeding port is provided with a flange structure, and the feeding driving motor is a high-power driving motor which is in transmission connection with the auger shaft of the feeding auger through a reduction gearbox and drives the feeding auger to rotate for feeding. The discharge port of the feeding pipe body of the forced feeding auger mechanism 2 is connected with the feed port of the main machine compression roller mechanism 1, the main machine compression roller mechanism 1 is provided with two compression rollers for pressing, and the forced feeding auger mechanism 2 guides the pre-compressed material into the main machine compression roller mechanism 1 to realize the tabletting of the material. In foretell feeding mechanism, vertical precompression feeding mechanism 8 of one-level, and three-level vertical precompression feeding mechanism 3 constitute two-stage vertical feeding mechanism, the horizontal precompression feeding mechanism 6 of second grade and the horizontal conveying mechanism of two-stage of compulsory feed auger mechanism 2 constitution, adopt two-stage vertical precompression feeding mechanism and two-stage horizontal conveying mechanism, vertical precompression feeding mechanism can utilize material self action of gravity, combine the vacuum pumping effect, make the powdery material discharge the air fast and compress, the precompression effect and the efficiency of powdery material have been improved.
As shown in fig. 2, in this embodiment, the third vacuum pumping mechanism 4 is installed on the lower compression section of the third-level vertical pre-compression feeding mechanism 3, and includes a third cylinder housing 13 and a third metal sintering filter screen 11, a first flange 10 is installed at the upper end of the third cylinder housing 13, a second flange 12 is installed at the lower end of the third cylinder housing 13, two ends of the third metal sintering filter screen 11 are respectively and fixedly connected with the inner walls of the first flange 10 and the second flange 12, an annular air exhaust channel is formed between the third cylinder housing 13 and the third metal sintering filter screen 11, the annular air exhaust channel is respectively communicated with the filter screen back-blowing system 9 and the vacuum pump valve bank 14, the upper end of the third cylinder housing 13 is fixedly connected with the lower end of the third-level feeding pipe body of the third-level vertical pre-compression feeding mechanism 3 through the first flange 10, the lower end of the third cylinder housing 13 is fixedly connected with the feeding pipe body feeding, and a third packing auger of the third-level vertical pre-compression feeding mechanism 3 is arranged on the inner side of the metal sintering filter screen 11. As shown in fig. 3, a second vacuum pumping mechanism 5 is arranged on the left end compression section of the second-stage transverse pre-compression feeding mechanism 6, it comprises a second cylinder shell 16 and a second metal sintering filter screen 17, wherein the left end of the second cylinder shell 16 is provided with a third flange 15, the right end of the second cylinder shell is provided with a fourth flange 18, two ends of the second metal sintering filter screen 17 are fixedly connected with the inner walls of the third flange 15 and the fourth flange 18 respectively, an annular air exhaust channel is formed between the second cylinder shell 16 and the second metal sintered filter screen 17, the annular air exhaust channel is respectively communicated with the filter screen back flushing system 9 and the vacuum pump valve group 14, the left end of the second cylinder shell 16 is fixedly connected with the feed inlet of the third-level vertical pre-compression feeding mechanism 3 through a third flange 15, the right end of the second cylinder shell 16 is fixedly connected with the left end of the second-level feeding pipe body of the second-level horizontal pre-compression feeding mechanism 6 through a fourth flange 18, and the second-level packing auger of the second-level horizontal pre-compression feeding mechanism 6 is arranged on the inner side of the second-level metal sintering filter screen 17. As shown in fig. 4 and 5, the first vacuum pumping mechanism 7 is installed at the lower end compression section of the first-stage vertical pre-compression feeding mechanism 8, and comprises a first cylinder shell 19 and a first metal sintering filter screen 21, the first cylinder shell 19 is formed by assembling a left semicircular shell, a right semicircular shell and two straight walls to form a cylinder with a runway structure, and the two semicircular shells are fixedly connected with the corresponding straight walls through a flange six 22; the upper end of a first cylinder shell 19 is provided with a fifth flange 20, the lower end of the first cylinder shell is provided with a seventh flange 23, the inner sides of a left half-round shell and a right half-round shell of the first cylinder shell 19 are respectively provided with a first metal sintering filter screen 21, the inner sides of the left half-round shell and the right half-round shell of the first cylinder shell 19 form a left half-round annular air exhaust channel and a right half-round annular air exhaust channel, the two half-round annular air exhaust channels are respectively communicated with a filter screen back-blowing system 9 and a vacuum pump valve group 14, the upper end of the first cylinder shell 19 is fixedly connected with the lower end of a first-level feeding pipe body of a first-level vertical pre-compression feeding mechanism 8 through the fifth flange 20, the lower end of the first cylinder shell 19 is fixedly connected with a feeding hole of a second-level horizontal pre-compression feeding mechanism 6. The first vacuumizing mechanism 7, the second vacuumizing mechanism 5 and the third vacuumizing mechanism 4 can be connected with the same filter screen back-blowing system 9 and the vacuum pump valve group 14 and are controlled through valve paths, the vacuum pump valve group 14 is connected to a vacuum pump, vacuumizing is performed by the vacuum pump, the metal sintering filter screen is breathable and cannot penetrate powder, and the vacuum pump valve group is combined to exhaust the compression section of the feeding mechanism, so that the powder material is quickly exhausted; the vacuum pump valve block 14 is preferably flanged to facilitate separate disassembly and cleaning. The filter screen blowback system 9 is connected the blowback air supply, when the metal sintering filter screen blockked up, utilizes blowback atmospheric pressure to blast the filter screen, guarantees that the filter screen is clean, and the exhaust is smooth and easy to the metal sintering filter screen need not to dismantle the clearance, the equipment maintenance of being convenient for.
Referring to fig. 1, the three-stage degassing pre-compression feeding mechanism of the vertical dry-tabletting granulator according to the embodiment has the following working process:
1. the material enters from a bin, and part of air in the material is discharged through a first-stage vertical pre-compression feeding mechanism 8 and a first vacuumizing mechanism 7;
2. the material after the first pre-compression enters a second-level transverse pre-compression feeding mechanism 6, and part of air in the material is exhausted through a further spiral pre-compression mechanism and a second vacuumizing mechanism 5;
3. the materials pre-compressed twice enter a three-level vertical pre-compression feeding mechanism 3, and part of air in the materials is exhausted through the last spiral pre-compression and third vacuumizing mechanism 4; at the moment, the material reaches the optimal state of pre-compression and is conveyed into the main machine compression roller mechanism 1 for tabletting by the forced feeding auger mechanism 2.
The utility model discloses a vertical dry process preforming granulator tertiary degasification precompression feeding mechanism utilizes tertiary feeding mechanism to carry the compression material step by step to all be equipped with the evacuation mechanism at the compression section of every stage feeding mechanism, realize the tertiary degasification precompression of powdery material, make the powdery material have higher material density before entering forced feed auger mechanism, reach the best material precompression state, improved dry process preforming or granulation's efficiency and productivity, the productivity improves more than 1.5 times, reduced preforming and pelletization degree of difficulty; is especially suitable for materials which have fine raw material particles (less than 1000 meshes), light bulk specific gravity (less than 0.2g/cm3) and are difficult to tablet, and has the functions of improving the productivity and reducing the tablet-pressing difficulty.
The present invention and its embodiments have been described above schematically, and the description is not intended to be limiting, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without creatively designing the similar structural modes and embodiments to the technical solutions, they should belong to the protection scope of the present invention.
Claims (9)
1. The utility model provides a three level degasification precompression feeding mechanism of vertical dry process preforming granulator, before host computer compression roller mechanism (1), its characterized in that: the automatic feeding device comprises a first-stage vertical pre-compression feeding mechanism (8), a second-stage horizontal pre-compression feeding mechanism (6), a third-stage vertical pre-compression feeding mechanism (3) and a forced feeding auger mechanism (2), wherein a feeding hole of the first-stage vertical pre-compression feeding mechanism (8) is connected with a material bin, a discharging hole of the first-stage vertical pre-compression feeding mechanism (8) is connected with a feeding hole of the second-stage horizontal pre-compression feeding mechanism (6), a discharging hole of the second-stage horizontal pre-compression feeding mechanism (6) is connected with a feeding hole of the third-stage vertical pre-compression feeding mechanism (3), a discharging hole of the third-stage vertical pre-compression feeding mechanism (3) is connected with a feeding hole of the forced feeding auger mechanism (2), and a discharging hole of the forced feeding auger; the compression section of the first-level vertical precompression feeding mechanism (8) is provided with a first vacuumizing mechanism (7), the compression section of the second-level horizontal precompression feeding mechanism (6) is provided with a second vacuumizing mechanism (5), and the compression section of the third-level vertical precompression feeding mechanism (3) is provided with a third vacuumizing mechanism (4).
2. The three-stage degassing and pre-compression feeding mechanism of the vertical dry tabletting granulator according to claim 1, wherein: the first-level vertical pre-compression feeding mechanism (8), the second-level horizontal pre-compression feeding mechanism (6), the third-level vertical pre-compression feeding mechanism (3) and the forced feeding auger mechanism (2) all adopt auger conveying mechanisms.
3. The three-stage degassing and pre-compression feeding mechanism of the vertical dry tabletting granulator according to claim 2, wherein: vertical precompression feeding mechanism of one-level (8) including the one-level pay-off body of vertical setting, vertically locate the one-level double helix auger in the one-level pay-off body and with the one-level driving motor that the auger shaft transmission of one-level double helix auger is connected, the rotation direction of two auger shafts of one-level double helix auger opposite.
4. The three-stage degassing and pre-compression feeding mechanism of the vertical dry tabletting granulator according to claim 3, wherein: the second-stage transverse pre-compression feeding mechanism (6) comprises a second-stage feeding pipe body transversely arranged, a second-stage packing auger transversely arranged in the second-stage feeding pipe body, and a second-stage driving motor in transmission connection with a packing auger shaft of the second-stage packing auger.
5. The three-stage degassing and pre-compression feeding mechanism of the vertical dry tabletting granulator according to claim 4, wherein: the three-level vertical pre-compression feeding mechanism (3) comprises a vertically arranged three-level feeding pipe body, a vertically arranged three-level packing auger in the three-level feeding pipe body and a three-level driving motor in transmission connection with a packing auger shaft of the three-level packing auger, and the three-level feeding pipe body is of a conical structure with a large upper part and a small lower part.
6. The three-stage degassing and pre-compression feeding mechanism of the vertical dry tabletting granulator according to claim 5, wherein: the forced feeding auger mechanism (2) comprises a feeding pipe body which is transversely arranged, a feeding auger which is transversely arranged in the feeding pipe body, and a feeding driving motor which is in transmission connection with an auger shaft of the feeding auger.
7. The three-stage degassing and pre-compression feeding mechanism of the vertical dry tabletting granulator according to claim 6, wherein: the third vacuumizing mechanism (4) comprises a third cylinder shell (13) and a third metal sintering filter screen (11), the upper end of the third cylinder shell (13) is provided with a first flange (10), the lower end is provided with a second flange (12), two ends of the third metal sintered filter screen (11) are fixedly connected with the inner walls of the first flange (10) and the second flange (12) respectively, an annular air exhaust channel is formed between the third cylinder shell (13) and the third metal sintered filter screen (11), the annular air pumping channel is respectively communicated with a filter screen blowback system (9) and a vacuum pump valve group (14), the upper end of the third-stage cylinder shell (13) is fixedly connected with the lower end of a third-stage feeding pipe body of the third-stage vertical pre-compression feeding mechanism (3) through a first flange (10), the lower end of the third cylinder shell (13) is fixedly connected with a feeding pipe body feeding port of the forced feeding auger mechanism (2) through a second flange (12).
8. The three-stage degassing and pre-compression feeding mechanism of the vertical dry tabletting granulator according to claim 6, wherein: the second vacuumizing mechanism (5) comprises a second cylinder shell (16) and a second metal sintering filter screen (17), the left end of the second horn shell (16) is provided with a third flange (15), the right end is provided with a fourth flange (18), two ends of the second metal sintering filter screen (17) are fixedly connected with the inner walls of the third flange (15) and the fourth flange (18) respectively, an annular air exhaust channel is formed between the second cylinder shell (16) and the second metal sintered filter screen (17), the annular air pumping channel is respectively communicated with a filter screen blowback system (9) and a vacuum pump valve group (14), the left end of the second cylinder shell (16) is fixedly connected with a feed inlet of the third-level vertical pre-compression feeding mechanism (3) through a third flange (15), the right end of the second-stage cylinder shell (16) is fixedly connected with the left end of a second-stage feeding pipe body of the second-stage transverse pre-compression feeding mechanism (6) through a fourth flange (18).
9. The three-stage degassing and pre-compression feeding mechanism of the vertical dry tabletting granulator according to claim 6, wherein: the first vacuumizing mechanism (7) comprises a first cylinder shell (19) and a first metal sintering filter screen (21), the first cylinder shell (19) is formed by assembling a left semicircular shell, a right semicircular shell and two straight walls to form a cylinder with a runway structure, and the two semicircular shells are fixedly connected with the corresponding straight walls through a flange six (22); the upper end of a cylinder shell (19) be equipped with flange five (20), the lower extreme is equipped with flange seven (23), two semi-circular shells inboards are equipped with a metal sintering filter screen (21) respectively about a cylinder shell (19), two semi-circular ring shape pumping channel about two semi-circular shell inboards form about a cylinder shell (19), two semi-circular ring shape pumping channel divide equally and do not be linked together with filter screen blowback system (9) and vacuum pump valves (14), the upper end of a cylinder shell (19) pass through flange five (20) and the one-level pay-off body lower extreme fixed connection of the vertical precompression feeding mechanism of one-level (8), the lower extreme of a cylinder shell (19) pass through flange seven (23) and the horizontal precompression feeding mechanism's of second grade feed inlet fixed connection of (6).
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113477178A (en) * | 2021-05-10 | 2021-10-08 | 孙静 | Quick preparation equipment of ferment ball for agricultural production |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113477178A (en) * | 2021-05-10 | 2021-10-08 | 孙静 | Quick preparation equipment of ferment ball for agricultural production |
| CN113477178B (en) * | 2021-05-10 | 2024-02-09 | 湖南本业绿色防控科技股份有限公司 | Rapid manufacturing equipment for ferment balls for agricultural production |
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