Shaftless numerical control disc granulator

Abstract

The invention relates to the technical field of pelletizers, in particular to a shaftless numerical control disc pelletizer which comprises a base, a driving table is hinged to the top of the base, a first hydraulic cylinder is arranged between the driving table and the base and communicated with a hydraulic pump through a control valve, and a first hollow shaft (4) is vertically arranged in the center of the top of the driving table. A gear motor is arranged on one side of the driving table; a second hollow shaft (7) is arranged in the center of the granulation disc in a penetrating mode, the second hollow shaft (7) is matched with the first hollow shaft (4) through a bearing, a gear ring is arranged at the bottom of the granulation disc around the second hollow shaft (7), and an output shaft of the gear motor is provided with a driving gear meshed with the gear ring; the cantilever group is arranged above the granulation disc and fixedly connected with the top end of the first hollow shaft (4), and the cantilever group faces the spray head and the scraper mechanism in the granulation disc. The length of the cantilever is shortened through the built-in cantilever structure, the working stability of the whole machine is improved, the inclination angle of the granulation disc is adjusted through the first hydraulic cylinder, and therefore the requirement for large-angle adjustment of the granulation disc is met.

Description

Technical Field

[0001] The invention relates to the technical field of granulators, in particular to a shaftless numerically controlled disc granulator. Background Art

[0002] Disc granulator is a molding machine that makes powdered materials into specific particle shapes and is widely used in the production of granular fertilizers. Existing disc granulators usually use an external cantilever, which makes them bulky, and the longer cantilever will also produce greater shaking during operation, resulting in technical problems such as poor stability. At the same time, the inclination angle adjustment of the existing disc granulator adopts a screw nut mechanism. Affected by this structure, there are also problems such as small adjustment angle of the granulating disc and low adjustment efficiency. Summary of the invention

[0003] The present invention provides a shaftless CNC disc granulator, which shortens the cantilever length through a built-in cantilever structure, improves the working stability of the whole machine, and uses a first hydraulic cylinder to adjust the inclination angle of the granulating disc, thereby meeting the large-angle adjustment requirements of the granulating disc.

[0004] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a shaftless CNC disc granulator, comprising: a base, a driving platform is hinged on the top of the base, a first hydraulic cylinder is arranged between the driving platform and the base, the first hydraulic cylinder is connected to the hydraulic pump through a control valve, a first hollow shaft is vertically arranged in the center of the top of the driving platform, and a reduction motor is arranged on one side of the driving platform; a granulating disc, a second hollow shaft is arranged through the center of the granulating disc, the second hollow shaft cooperates with the first hollow shaft through a bearing, a gear ring is arranged around the second hollow shaft at the bottom of the granulating disc, and an output shaft of the reduction motor is provided with a driving gear meshing with the gear ring; a cantilever group, the cantilever group is arranged above the granulating disc and fixedly connected to the top of the first hollow shaft, and the cantilever group faces the nozzle and scraper mechanism inside the granulating disc, and the nozzle is connected to the high-pressure pump through a water pipe passing through the first hollow shaft; a controller, the control valve, the reduction motor and the high-pressure pump are electrically connected to the controller respectively.

[0005] Preferably, the cantilever group includes a first cantilever and a second cantilever extending in opposite directions of the granulation disc, and the nozzles are provided in plurality and are arranged at intervals along the first cantilever through a bracket; the scraper mechanism includes a transverse sliding sleeve cooperating with the second cantilever, and a plurality of longitudinal support arms connected to the transverse sliding sleeve and extending toward the inside of the granulation disc, each of the longitudinal support arms is respectively cooperated with a first directional sliding sleeve, and each of the first directional sliding sleeves is respectively provided with a lower scraper abutting against the bottom of the granulation disc; a second hydraulic cylinder is provided between the transverse sliding sleeve and the first cantilever, and the second hydraulic cylinder is connected to the control valve through an oil pipe passing through the first hollow shaft; a first air cylinder is provided between each of the first directional sliding sleeves and the longitudinal support arms, and each of the first cylinders is connected to an air pump through an air pipe passing through the first hollow shaft, and the air pump is provided with a pressure sensor, and the pressure sensor is electrically connected to the controller.

[0006] Preferably, the cantilever group also includes a third cantilever extending in the radial direction of the granulation disc, and the free end of the third cantilever is provided with a side branch arm extending toward the inside of the granulation disc; the scraper mechanism also includes a longitudinal sliding sleeve cooperating with the side branch arm, and a plurality of transverse branch arms connected to the longitudinal sliding sleeve and extending toward the side wall of the granulation disc; each of the transverse branch arms is respectively cooperated with a second directional sliding sleeve, and each of the second directional sliding sleeves is respectively provided with a side scraper abutting against the inner wall of the granulation disc; a third hydraulic cylinder is provided between the longitudinal sliding sleeve and the side branch arm, and the third hydraulic cylinder is connected to the control valve through an oil pipe passing through the first hollow shaft; a second air cylinder is provided between each of the second directional sliding sleeves and the transverse branch arm, and each of the second cylinders is connected to the air pump through an air pipe passing through the first hollow shaft.

[0007] Preferably, the cantilever group further includes a positioning frame, and the positioning frame is provided with a position sensor corresponding to the longitudinal support arm, and the position sensor is electrically connected to the controller via a cable passing through the first hollow shaft.

[0008] Preferably, the cantilever group also includes a fourth cantilever extending along the radial direction of the granulation disk, and the fourth cantilever is provided with a plurality of moisture detection electrodes extending toward the interior of the granulation disk, and each of the moisture detection electrodes is electrically connected to the controller via a cable passing through the first hollow shaft.

[0009] Preferably, the cantilever group further comprises a fifth cantilever extending along the radial direction of the granulation disk, and a material-throwing-off baffle is provided at the free end of the fifth cantilever corresponding to the inner side wall of the granulation disk.

[0010] The beneficial effects of the present invention are as follows: the cantilever group is fixedly connected to the first hollow shaft, thereby shortening the length of the cantilever, improving the supporting force and reducing the overall size of the granulator, making the granulator more stable during operation, and the first hydraulic cylinder, under the action of the controller, enables the driving platform to drive the granulation disc to flip the angle, meeting the large angle adjustment requirements of the granulation disc. The second hydraulic cylinder and the third hydraulic cylinder adjust the working position of the lower scraper and the side scraper under the action of the controller, and the first cylinder and the second cylinder respectively provide pressure to the first directional sliding sleeve and the second directional sliding table, so that the lower scraper and the side scraper are tightly fitted with the bottom and the inner wall of the side of the granulation disc, thereby eliminating the gap caused by wear. The controller collects the pressure in the air path where the first cylinder and the second cylinder are located through the pressure sensor, and compensates the working pressure of the first cylinder and the second cylinder through the air pump, thereby ensuring the preload force of the lower scraper and the side scraper. The controller collects the movement position of the horizontal sliding sleeve through the position sensor, thereby realizing that the lower scraper moves according to the preset program, meeting the residence time of different positions at the bottom of the granulation disc. The moisture detection electrode monitors the material in the granulation disc in real time. When the moisture content does not reach the set value, the controller starts the high-pressure pump to add water to the granulation disc until the moisture meets the set requirements, thereby realizing the automatic control of water replenishment and making the moisture control in the material more accurate. When the granulation disc is tilted, the anti-dropping baffle gathers the material in the granulation disc from the edge to the center through the orientation design of the fifth cantilever, thereby preventing the internal material from scattering, avoiding material waste, and ensuring a clean and hygienic production environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a cross-sectional view of the overall structure of the present invention;

[0013] Figure 2 This is a schematic diagram of the top structure of the granulation disk of the present invention;

[0014] Figure 3 This is a schematic diagram of the lower scraper structure of the present invention;

[0015] Figure 4 It is a schematic diagram of the side scraper structure of the present invention.

[0016] In the figure: 1. base; 2. driving platform; 3. first hydraulic cylinder; 4. first hollow shaft; 5. reduction motor; 6. granulating disc; 7. second hollow shaft; 8. gear ring; 9. driving gear; 10. nozzle; 11. first cantilever; 12. second cantilever; 13. horizontal sliding sleeve; 14. longitudinal support arm; 15. first directional sliding sleeve; 16. lower scraper; 17. second hydraulic cylinder; 18. first cylinder; 19. third cantilever; 20. side support arm; 21. longitudinal sliding sleeve; 22. horizontal support arm; 23. second directional sliding sleeve; 24. side scraper; 25. third hydraulic cylinder; 26. second cylinder; 27. positioning frame; 28. position sensor; 29. ​​fourth cantilever; 30. moisture detection electrode; 31. fifth cantilever; 32. anti-throwing baffle. DETAILED DESCRIPTION

[0017] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0018] according to Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, a shaftless CNC disc granulator comprises: a base 1, a driving platform 2 is hinged on the top of the base 1, a first hydraulic cylinder 3 is arranged between the driving platform 2 and the base 1, the first hydraulic cylinder 3 is connected to the hydraulic pump through a control valve, a first hollow shaft 4 is vertically arranged in the center of the top of the driving platform 2, and a reduction motor 5 is arranged on one side of the driving platform 2; a granulating disc 6, a second hollow shaft 7 is arranged through the center of the granulating disc 6, the second hollow shaft 7 cooperates with the first hollow shaft 4 through a bearing, and the granulating disc A gear ring 8 is provided around the second hollow shaft 7 at the bottom ring of the disk 6, and a driving gear 9 meshing with the gear ring 8 is provided on the output shaft of the reduction motor 5; a cantilever group, the cantilever group is arranged above the granulation disk 6, and is fixedly connected to the top of the first hollow shaft 4, and the cantilever group faces the nozzle 10 and the scraper mechanism inside the granulation disk 6, and the nozzle 10 is connected to the high-pressure pump through a water pipe running through the first hollow shaft 4; a controller, the control valve, the reduction motor 5 and the high-pressure pump are electrically connected to the controller respectively.

[0019] Through this arrangement, the granulating disc 6 is arranged on the first hollow shaft 4 through the second hollow shaft 7 sleeve 7, and rotates under the action of the reduction motor 5, and the cantilever group is fixedly connected to the first hollow shaft 4, thereby shortening the length of the cantilever, improving the supporting force while reducing the overall size of the granulator, making the granulator more stable during operation, and the first hydraulic cylinder 3 acts on the controller to enable the driving platform 2 to drive the granulating disc 6 to flip the angle, meeting the large angle adjustment requirements of the granulating disc 6.

[0020] Among them, the cantilever group includes a first cantilever 11 and a second cantilever 12 extending in opposite directions of the granulation disc 6, and the nozzle 10 is set in multiples and arranged at intervals along the first cantilever 11 through a bracket; and the scraper mechanism includes a horizontal sliding sleeve 13 matched with the second cantilever 12, and multiple longitudinal support arms 14 connected to the horizontal sliding sleeve 13 and extending to the inside of the granulation disc 6, each of the longitudinal support arms 14 is respectively matched with a first directional sliding sleeve 15, and each of the first directional sliding sleeves 15 is respectively provided with a lower scraper 16 that abuts against the bottom of the granulation disc 6; a second hydraulic cylinder 17 is provided between the horizontal sliding sleeve 13 and the first cantilever 11, and the second hydraulic cylinder 17 is connected to the control valve through an oil pipe passing through the first hollow shaft 4; a first air cylinder 18 is provided between each of the first directional sliding sleeves 15 and the longitudinal support arm 14, and each of the first cylinders 18 is connected to the air pump through an air pipe passing through the first hollow shaft 4, and the air pump is provided with a pressure sensor, and the pressure sensor is electrically connected to the controller.

[0021] In addition, the cantilever group also includes a third cantilever 19 extending along the radial direction of the granulation disc 6, and the free end of the third cantilever 19 is provided with a side arm 20 extending toward the inside of the granulation disc 6; the scraper mechanism also includes a longitudinal sliding sleeve 21 cooperating with the side arm 20, and a plurality of transverse arms 22 connected to the longitudinal sliding sleeve 21 and extending toward the side wall direction of the granulation disc 6; each of the transverse arms 22 is respectively matched with a second directional sliding sleeve 23, and each of the second directional sliding sleeves 23 is respectively provided with a side scraper 24 abutting against the inner wall of the granulation disc 6; a third hydraulic cylinder 25 is provided between the longitudinal sliding sleeve 21 and the side arm 20, and the third hydraulic cylinder 25 is connected to the control valve through an oil pipe passing through the first hollow shaft 4; a second air cylinder 26 is respectively provided between each of the second directional sliding sleeves 23 and the transverse arm 22, and each of the second cylinders 26 is connected to the air pump through an air pipe passing through the first hollow shaft 4.

[0022] In this setting, the second hydraulic cylinder 17 and the third hydraulic cylinder 25 adjust the working position of the lower scraper 16 and the side scraper 24 under the action of the controller, and the first cylinder 18 and the second cylinder 26 respectively provide pressure to the first directional sliding sleeve 15 and the second directional sliding table, so that the lower scraper 16 and the side scraper 24 are tightly attached to the bottom and the inner wall of the side of the granulating disc 6, thereby eliminating the gap caused by wear. The controller collects the pressure in the air circuit where the first cylinder 18 and the second cylinder 26 are located through the pressure sensor, and compensates the working pressure of the first cylinder 18 and the second cylinder 26 through the air pump, thereby ensuring the preload force of the lower scraper 16 and the side scraper 24.

[0023] The cantilever assembly further includes a positioning frame 27 , and the positioning frame 27 is provided with a position sensor 28 corresponding to the longitudinal support arm 14 . The position sensor 28 is electrically connected to the controller via a cable passing through the first hollow shaft 4 .

[0024] In this configuration, the controller collects the moving position of the transverse sliding sleeve 13 through the position sensor 28 , so that the lower scraper 16 moves according to a preset program to meet the residence time at different positions of the bottom of the granulating disc 6 .

[0025] The cantilever group also includes a fourth cantilever 29 extending along the radial direction of the granulation disk 6. The fourth cantilever 29 is provided with a plurality of moisture detection electrodes 30 extending toward the interior of the granulation disk 6. Each of the moisture detection electrodes 30 is electrically connected to the controller via a cable passing through the first hollow shaft 4.

[0026] In this setting, the moisture detection electrode 30 monitors the material in the granulation disk 6 in real time. When the moisture content does not reach the set value, the controller starts the high-pressure pump to add water to the granulation disk 6 until the moisture meets the set requirements, thereby realizing automatic control of water replenishment and making the moisture control in the material more accurate.

[0027] The cantilever group further includes a fifth cantilever 31 extending along the radial direction of the granulating disk 6 , and a material-throwing-off baffle 32 is disposed at the free end of the fifth cantilever 31 corresponding to the inner side wall of the granulating disk 6 .

[0028] In this arrangement, when the granulating disc 6 is working at an angle, the anti-dropping baffle 32 gathers the material in the granulating disc 6 from the edge to the center through the orientation design of the fifth cantilever 31, thereby preventing the internal material from scattering, avoiding material waste and ensuring a clean and hygienic production environment.

[0029] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A shaftless CNC disc granulator, characterized in that: include: A base (1), a driving platform (2) is hingedly connected to the top of the base (1), a first hydraulic cylinder (3) is provided between the driving platform (2) and the base (1), the first hydraulic cylinder (3) is connected to a hydraulic pump via a control valve, a first hollow shaft (4) is vertically provided at the center of the top of the driving platform (2), and a reduction motor (5) is provided on one side of the driving platform (2); A granulating disc (6), wherein a second hollow shaft (7) is provided in the center of the granulating disc (6) and passes through the granulating disc (6), wherein the second hollow shaft (7) is matched with the first hollow shaft (4) via a bearing, a gear ring (8) is provided around the bottom of the granulating disc (6) and around the second hollow shaft (7), and an output shaft of the reduction motor (5) is provided with a driving gear (9) meshing with the gear ring (8); a cantilever group, the cantilever group being arranged above the granulating disc (6) and fixedly connected to the top of the first hollow shaft (4), and the cantilever group being directed toward a nozzle (10) and a scraping mechanism inside the granulating disc (6), the nozzle (10) being connected to a high-pressure pump via a water pipe penetrating the first hollow shaft (4); A controller, wherein the control valve, the reduction motor (5) and the high-pressure pump are electrically connected to the controller respectively.

2. The shaftless CNC disc granulator according to claim 1, characterized in that: The cantilever group comprises a first cantilever (11) and a second cantilever (12) extending in opposite directions of the granulation disc (6); the nozzles (10) are provided in plurality and are arranged at intervals along the first cantilever (11) through a bracket; The scraper mechanism comprises a transverse sliding sleeve (13) matched with the second cantilever (12), and a plurality of longitudinal supporting arms (14) connected with the transverse sliding sleeve (13) and extending toward the inside of the granulating disc (6), each of the longitudinal supporting arms (14) being matched with a first directional sliding sleeve (15), and each of the first directional sliding sleeves (15) being provided with a lower scraper (16) abutting against the bottom of the granulating disc (6); A second hydraulic cylinder (17) is provided between the transverse sliding sleeve (13) and the first cantilever (11), and the second hydraulic cylinder (17) is connected to the control valve via an oil pipe penetrating the first hollow shaft (4); A first air cylinder (18) is respectively provided between each of the first directional sliding sleeves (15) and the longitudinal support arm (14); each of the first air cylinders (18) is connected to an air pump via an air pipe penetrating the first hollow shaft (4); and the air pump is provided with a pressure sensor, which is electrically connected to the controller.

3. The shaftless CNC disc granulator according to claim 2 is characterized in that: The cantilever group further comprises a third cantilever (19) extending along the radial direction of the granulating disc (6), and a side arm (20) extending toward the inside of the granulating disc (6) is provided at a free end of the third cantilever (19); The scraper mechanism further comprises a longitudinal sliding sleeve (21) matched with the side support arm (20), and a plurality of transverse support arms (22) connected with the longitudinal sliding sleeve (21) and extending in the direction of the side wall of the granulating disc (6); each of the transverse support arms (22) is matched with a second directional sliding sleeve (23), and each of the second directional sliding sleeves (23) is provided with a side scraper (24) abutting against the inner side wall of the granulating disc (6); A third hydraulic cylinder (25) is provided between the longitudinal sliding sleeve (21) and the side arm (20), and the third hydraulic cylinder (25) is connected to the control valve via an oil pipe penetrating the first hollow shaft (4); A second air cylinder (26) is provided between each of the second directional sliding sleeves (23) and the transverse support arm (22), and each of the second air cylinders (26) is connected to the air pump via an air pipe that passes through the first hollow shaft (4).

4. The shaftless CNC disc granulator according to claim 2, characterized in that: The cantilever assembly further comprises a positioning frame (27), wherein the positioning frame (27) is provided with a position sensor (28) corresponding to the longitudinal support arm (14), and the position sensor (28) is electrically connected to the controller via a cable passing through the first hollow shaft (4).

5. The shaftless CNC disc granulator according to claim 1, characterized in that: The cantilever group also includes a fourth cantilever (29) extending along the radial direction of the granulation disk (6), and the fourth cantilever (29) is provided with a plurality of moisture detection electrodes (30) extending toward the interior of the granulation disk (6), and each of the moisture detection electrodes (30) is electrically connected to the controller via a cable passing through the first hollow shaft (4).

6. The shaftless CNC disc granulator according to claim 1, characterized in that: The cantilever group further comprises a fifth cantilever (31) extending in the radial direction of the granulating disc (6), and a material-throwing-off baffle (32) is provided at the free end of the fifth cantilever (31) corresponding to the inner side wall of the granulating disc (6).

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