Shaftless numerical control disc granulator
The shaftless CNC disc granulator with built-in cantilever and hydraulic cylinder system solves the problems of cantilever swaying and small adjustment angle, achieving high stability and precise adjustment of the granulator, and ensuring granulation effect and clean production environment.
Patent Information
- Application Number
- CN202411968941.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-30
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2044-12-30
AI Technical Summary
The existing disc granulator has a long cantilever, which leads to poor stability, a small adjustment angle, and low efficiency.
The granulation disc is adjusted at a large angle using a built-in cantilever structure and a first hydraulic cylinder. The position of the scraper is adjusted by a combination of hydraulic and pneumatic systems, and the controller is used for automated control and water replenishment.
It improves the working stability and adjustment accuracy of the granulator, realizes large-angle adjustment of the granulation disc and close contact of the scraper, ensures precise control of material moisture, and avoids material waste and environmental pollution.
Smart Images

Figure CN119771265B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of granulator, in particular to a shaftless numerical control disc granulator. BACKGROUND
[0002] The disc granulator is a kind of forming machinery for making specific granular shape of powder material, which is widely used in granular fertilizer production, and the existing disc granulator usually adopts external cantilever, so that the volume is large, and the long cantilever will also produce large swing in the working process, resulting in the technical problem of poor stability, and the existing disc granulator adopts screw nut mechanism to adjust the inclination angle, which is affected by the structure, and there are problems of small adjustment angle of the granulating disc and low adjustment efficiency. SUMMARY
[0003] The present application provides a shaftless numerical control disc granulator, which shortens the cantilever length by adopting built-in cantilever structure, improves the working stability of the whole machine, and realizes the inclination angle adjustment of the granulating disc by using the first hydraulic cylinder, so as to meet the large angle adjustment requirement of the granulating disc.
[0004] In order to achieve the above purpose, the present application provides the following technical scheme: a shaftless numerical control disc granulator, comprising: a base, the top of the base is hingedly connected with a driving table, a first hydraulic cylinder is arranged between the driving table and the base, the first hydraulic cylinder is communicated with a hydraulic pump through a control valve, a first hollow shaft is vertically arranged at the top center of the driving table, and a reduction motor is arranged on one side of the driving table; a granulating disc, the granulating disc is centrally provided with a second hollow shaft penetrating through, the second hollow shaft is matched with the first hollow shaft through a bearing, a gear ring is arranged on the bottom of the granulating disc around the second hollow shaft, and the 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 with the top end of the first hollow shaft, and the cantilever group is provided with a spray head and a scraper mechanism towards the inside of the granulating disc, the spray head is communicated with a high-pressure pump through a water pipe penetrating through the first hollow shaft; a controller, the control valve, the reduction motor and the high-pressure pump are respectively electrically connected with the controller.
[0005] Preferably, the cantilever group comprises a first cantilever and a second cantilever extending towards opposite sides of the granulating disc, the spray heads are arranged in multiple and are arranged along the first cantilever by a support; the scraper mechanism comprises a horizontal sliding sleeve matched with the second cantilever, and a plurality of vertical supporting arms connected with the horizontal sliding sleeve and extending towards the inside of the granulating disc, each vertical supporting arm is matched with a first directional sliding sleeve, and each first directional sliding sleeve is provided with a lower scraper abutting against the bottom of the granulating disc; a second hydraulic cylinder is arranged between the horizontal sliding sleeve and the first cantilever, and the second hydraulic cylinder is communicated with the control valve through an oil pipe penetrating the first hollow shaft; a first air cylinder is arranged between each first directional sliding sleeve and the vertical supporting arm, and each first air cylinder is connected with an air pump through an air pipe penetrating the first hollow shaft, and the air pump is provided with a pressure sensor, and the pressure sensor is electrically connected with the controller.
[0006] Preferably, the cantilever group further comprises a third cantilever extending along the radius direction of the granulating disc, and the free end of the third cantilever is provided with a side supporting arm extending towards the inside of the granulating disc; the scraper mechanism further comprises a vertical sliding sleeve matched with the side supporting arm, and a plurality of horizontal supporting arms connected with the vertical sliding sleeve and extending towards the sidewall of the granulating disc; each horizontal supporting arm is matched with a second directional sliding sleeve, and each second directional sliding sleeve is provided with a side scraper abutting against the inner sidewall of the granulating disc; a third hydraulic cylinder is arranged between the vertical sliding sleeve and the side supporting arm, and the third hydraulic cylinder is communicated with the control valve through an oil pipe penetrating the first hollow shaft; a second air cylinder is arranged between each second directional sliding sleeve and the horizontal supporting arm, and each second air cylinder is connected with the air pump through an air pipe penetrating the first hollow shaft.
[0007] Preferably, the cantilever group further comprises a positioning frame, and the positioning frame is provided with a position sensor corresponding to the vertical supporting arm, and the position sensor is electrically connected with the controller through a cable penetrating the first hollow shaft.
[0008] Preferably, the cantilever group further comprises a fourth cantilever extending along the radius direction of the granulating disc, and the fourth cantilever is provided with a plurality of moisture detection electrodes extending towards the inside of the granulating disc, and each moisture detection electrode is electrically connected with the controller through a cable penetrating the first hollow shaft.
[0009] Preferably, the cantilever group further comprises a fifth cantilever extending along the radius direction of the granulating disc, and the free end of the fifth cantilever is provided with a material anti-swing baffle corresponding to the inner sidewall of the granulating disc.
[0010] The application has the beneficial effects that: the cantilever group is fixedly connected with the first hollow shaft, so that the length of the cantilever is shortened, the support force is improved, the overall size of the granulator is reduced, the granulator is more stable during the working process, the first hydraulic cylinder drives the driving table to rotate the granulating disc under the action of the controller, the large-angle adjustment requirement of the granulating disc is met, the second hydraulic cylinder and the third hydraulic cylinder adjust the working positions of the lower scraper and the side scraper under the action of the controller, the first cylinder and the second cylinder provide pressure to the first directional sliding sleeve and the second directional sliding table respectively, so that the lower scraper and the side scraper are tightly attached to the bottom and the inner wall of the side of the granulating disc, thereby eliminating the gap caused by wear. The controller collects the pressure in the gas circuit of the first cylinder and the second cylinder through the pressure sensor, and compensates the working pressure of the first cylinder and the second cylinder through the air pump, so as to ensure the pre-tightening force of the lower scraper and the side scraper. The controller collects the movement position of the horizontal sliding sleeve through the position sensor, so as to realize the movement of the lower scraper according to the preset program, and meet the residence time of the granulating disc at different positions. The moisture detection electrode monitors the material in the granulating disc in real time, when the moisture content does not reach the set value, the controller starts the high-pressure pump to supplement water to the granulating disc until the moisture meets the set requirement, so as to realize the automatic control of water supplementing, and make the moisture control in the material more accurate. When the granulating disc is inclined to work, the fifth cantilever is designed to face the direction, so that the anti-swing material baffle gathers the material in the granulating disc from the edge to the center, so as to prevent the internal material from scattering, avoid material waste, and ensure the clean and sanitary production environment. BRIEF DESCRIPTION OF DRAWINGS
[0011] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only show some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.
[0012] Figure 1 It is a sectional view of the overall structure of the present application.
[0013] Figure 2 It is a top structure schematic diagram of the granulating disc of the present application.
[0014] Figure 3 It is a lower scraper structure schematic diagram of the present application.
[0015] Figure 4 It is a side scraper structure schematic diagram of the present application.
[0016] In the figure: 1, base; 2, driving table; 3, first hydraulic cylinder; 4, first hollow shaft; 5, speed reducer motor; 6, granulating disc; 7, second hollow shaft; 8, gear ring; 9, driving gear; 10, spray head; 11, first cantilever; 12, second cantilever; 13, horizontal sliding sleeve; 14, vertical support arm; 15, first directional sliding sleeve; 16, lower scraper; 17, second hydraulic cylinder; 18, first air cylinder; 19, third cantilever; 20, side support arm; 21, vertical sliding sleeve; 22, horizontal support arm; 23, second directional sliding sleeve; 24, side scraper; 25, third hydraulic cylinder; 26, second air cylinder; 27, positioning frame; 28, position sensor; 29, fourth cantilever; 30, moisture detection electrode; 31, fifth cantilever; 32, anti-swing material baffle. DETAILED DESCRIPTION
[0017] The technical solutions of the present application will be described clearly and completely below in combination with the drawings of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0018] According to Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown in the figure, an axle-free numerical control disc granulator comprises a base 1, a driving table 2 is hingedly connected to the top of the base 1, a first hydraulic cylinder 3 is arranged between the driving table 2 and the base 1, the first hydraulic cylinder 3 is communicated with a hydraulic pump through a control valve, a first hollow shaft 4 is vertically arranged at the top center of the driving table 2, and a speed reducer motor 5 is arranged on one side of the driving table 2; a granulating disc 6 is arranged at the center of the granulating disc 6, a second hollow shaft 7 is arranged through the granulating disc 6, the second hollow shaft 7 is matched with the first hollow shaft 4 through a bearing, a gear ring 8 is arranged on the second hollow shaft 7 at the bottom of the granulating disc 6, and a driving gear 9 is arranged on the output shaft of the speed reducer motor 5 and engaged with the gear ring 8; a cantilever group is arranged above the granulating disc 6, fixedly connected with the top end of the first hollow shaft 4, and directed towards a spray head 10 and a scraper mechanism inside the granulating disc 6, the spray head 10 is communicated with a high-pressure pump through a water pipe penetrating the first hollow shaft 4; the control valve, the speed reducer motor 5 and the high-pressure pump are respectively electrically connected with a controller.
[0019] Through the arrangement, the granulating disc 6 is sleeved on the first hollow shaft 4 by the second hollow shaft 7 and rotates under the action of the speed reducer motor 5, and the cantilever group is fixedly connected with the first hollow shaft 4, so that the length of the cantilever is shortened, the supporting force is improved, the overall size of the granulator is reduced, the granulator is more stable during operation, and the first hydraulic cylinder 3 drives the driving table 2 to drive the granulating disc 6 to flip under the action of the controller, so that the large-angle adjustment requirement of the granulating disc 6 is met.
[0020] The cantilever group comprises a first cantilever 11 and a second cantilever 12 extending to opposite sides of the granulating disc 6, the spray head 10 is arranged in multiple and is arranged in intervals along the first cantilever 11 by a support; the scraper mechanism comprises a transverse sliding sleeve 13 matched with the second cantilever 12, a plurality of longitudinal supporting arms 14 connected with the transverse sliding sleeve 13 and extending to the inside of the granulating disc 6, each longitudinal supporting arm 14 is matched with a first directional sliding sleeve 15, and each first directional sliding sleeve 15 is provided with a lower scraper 16 abutting against the bottom of the granulating disc 6; a second hydraulic cylinder 17 is arranged between the transverse sliding sleeve 13 and the first cantilever 11, the second hydraulic cylinder 17 is communicated with the control valve through an oil pipe penetrating the first hollow shaft 4; a first air cylinder 18 is arranged between each first directional sliding sleeve 15 and the longitudinal supporting arm 14, each first air cylinder 18 is connected with an air pump through an air pipe penetrating the first hollow shaft 4, and the air pump is provided with a pressure sensor, and the pressure sensor is electrically connected with the controller.
[0021] In addition, the cantilever group further comprises a third cantilever 19 extending along the radial direction of the granulating disc 6, and a side supporting arm 20 extending to the inside of the granulating disc 6 is arranged at the free end of the third cantilever 19; the scraper mechanism further comprises a longitudinal sliding sleeve 21 matched with the side supporting arm 20 and a plurality of transverse supporting arms 22 connected with the longitudinal sliding sleeve 21 and extending to the side wall of the granulating disc 6; each transverse supporting arm 22 is matched with a second directional sliding sleeve 23, and each second directional sliding sleeve 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 arranged between the longitudinal sliding sleeve 21 and the side supporting arm 20, and the third hydraulic cylinder 25 is communicated with the control valve through an oil pipe penetrating the first hollow shaft 4; a second air cylinder 26 is arranged between each second directional sliding sleeve 23 and the transverse supporting arm 22, and each second air cylinder 26 is connected with the air pump through an air pipe penetrating the first hollow shaft 4.
[0022] In the 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 pneumatic cylinder 18 and the second pneumatic cylinder 26 provide pressure to the first directional sliding sleeve 15 and the second directional sliding table respectively, 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 gas circuit where the first pneumatic cylinder 18 and the second pneumatic cylinder 26 are located through the pressure sensor, and compensates the working pressure of the first pneumatic cylinder 18 and the second pneumatic cylinder 26 through the air pump, thereby ensuring the pre-tightening force of the lower scraper 16 and the side scraper 24.
[0023] The cantilever group further comprises a positioning frame 27, which is provided with a position sensor 28 corresponding to the longitudinal support arm 14, and the position sensor 28 is electrically connected with the controller through the cable penetrating through the first hollow shaft 4.
[0024] In the setting, the controller collects the movement position of the transverse sliding sleeve 13 through the position sensor 28, so as to realize the movement of the lower scraper 16 according to the preset program, and meet the residence time of the granulating disc 6 at different positions of the bottom.
[0025] The cantilever group further comprises a fourth cantilever 29 extending along the radial direction of the granulating disc 6, and the fourth cantilever 29 is provided with a plurality of moisture detection electrodes 30 extending into the granulating disc 6, and each moisture detection electrode 30 is electrically connected with the controller through the cable penetrating through the first hollow shaft 4.
[0026] In the setting, the moisture detection electrodes 30 monitor the material in the granulating disc 6 in real time, and when the moisture content does not reach the set value, the controller starts the high-pressure pump to supplement water into the granulating disc 6 until the moisture meets the set requirement, thereby realizing the automatic control of water supplement and making the moisture control in the material more accurate.
[0027] The cantilever group further comprises a fifth cantilever 31 extending along the radial direction of the granulating disc 6, and the free end of the fifth cantilever 31 is provided with a material anti-swing baffle 32 corresponding to the inner wall of the granulating disc 6.
[0028] In the setting, when the granulating disc 6 is inclined to work, the material anti-swing baffle 32 is designed to gather the material in the granulating disc 6 from the edge to the center through the fifth cantilever 31, so as to prevent the internal material from scattering, avoid material waste, and ensure the clean and sanitary production environment.
[0029] The above merely illustrates the specific embodiments of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. An axisless numerically controlled disc granulator characterized by comprising: The utility model relates to a granulating device, including: Base (1), the top hinged drive platform (2) of base (1), be equipped with first hydraulic cylinder (3) between drive platform (2) with base (1), first hydraulic cylinder (3) are communicated with hydraulic pump through control valve, drive platform (2) top central vertical first hollow shaft (4) is equipped with, and one side of drive platform (2) is equipped with speed reducer motor (5); Granulating disc (6), the second hollow shaft (7) of central through -going is equipped with in granulating disc (6), second hollow shaft (7) are matched with first hollow shaft (4) through bearing, the gear ring (8) of granulating disc (6) bottom ring second hollow shaft (7) is equipped with, and the output shaft of speed reducer motor (5) is equipped with driving gear (9) with gear ring (8) engages; Cantilever group, cantilever group is set up above granulating disc (6) with first hollow shaft (4) top end fixed connection, and cantilever group is towards the spray head (10) and spatula mechanism inside granulating disc (6), spray head (10) is communicated with high pressure pump through water pipe through first hollow shaft (4); Controller, control valve, speed reducer motor (5) and high pressure pump are electrically connected with controller respectively; Cantilever group includes first cantilever (11) and second cantilever (12) to the direction of extending to the opposite sides of granulating disc (6), and spray head (10) is set up multiple, and is arranged along first cantilever (11) interval through support; The spatula mechanism includes the horizontal slide sleeve (13) matched with second cantilever (12), and a plurality of longitudinal support arms (14) are connected with horizontal slide sleeve (13) and extend to the inside of granulating disc (6), each longitudinal support arm (14) is matched with first directional slide sleeve (15), each first directional slide sleeve (15) is equipped with lower spatula (16) with the bottom of granulating disc (6) is resisted; Second hydraulic cylinder (17) is arranged between horizontal slide sleeve (13) and first cantilever (11), and second hydraulic cylinder (17) is communicated with control valve through oil pipe through first hollow shaft (4); Each first directional slide sleeve (15) and longitudinal support arm (14) are respectively equipped with first cylinder (18), each first cylinder (18) is connected with air pump through air pipe through first hollow shaft (4), and air pump is equipped with pressure sensor, and pressure sensor is electrically connected with controller; Cantilever group also includes third cantilever (19) along the radial direction of granulating disc (6) extends, and the free end of third cantilever (19) is equipped with side support arm (20) extending to the inside of granulating disc (6). 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 to the side wall of the prilling 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 prilling disc (6); The longitudinal sliding sleeve (21) and the side support arm (20) are provided with a third hydraulic cylinder (25), and the third hydraulic cylinder (25) is communicated with the control valve through an oil pipe penetrating the first hollow shaft (4); Each of the second directional sliding sleeves (23) and the transverse support arm (22) is respectively provided with a second air cylinder (26), and each of the second air cylinders (26) is connected with the air pump through an air pipe penetrating the first hollow shaft (4).
2. Shaftless numerically controlled disc granulator according to claim 1, characterized in that: The cantilever group further comprises a positioning frame (27), and 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 with the controller through a cable penetrating the first hollow shaft (4).
3. Shaftless numerically controlled disc granulator according to claim 1, characterized in that: The cantilever group further comprises a fourth cantilever (29) extending along the radial direction of the prilling disc (6), and the fourth cantilever (29) is provided with a plurality of moisture detection electrodes (30) extending to the inside of the prilling disc (6), and each of the moisture detection electrodes (30) is electrically connected with the controller through a cable penetrating the first hollow shaft (4).
4. Shaftless numerically controlled disc granulator according to claim 1, characterized in that: The cantilever group further comprises a fifth cantilever (31) extending along the radial direction of the prilling disc (6), and the free end of the fifth cantilever (31) is provided with a material anti-swing baffle (32) corresponding to the inner side wall of the prilling disc (6).
Citation Information
Patent Citations
Fertilizer disc granulation device
CN205308272U
Disc granulator for fertilizer processing
CN209576607U