Rotary granulator screen capable of preventing deformation and burst

Abstract

The utility model discloses a rotary granulator screen capable of preventing deformation and burst, which comprises a material hopper, an upper flange is in contact with the bottom end of the material hopper, a screen is welded at the bottom end of the inner side of the upper flange, a lower flange is welded at the bottom end of the outer side of the screen, a base is in contact with the bottom end of the lower flange, and a grinding knife is driven to rotate by controlling a rotating sleeve. The positioning shaft is controlled to drive the rotating block to rotate, the rotating block drives the pressing cutter to rotate in the direction opposite to the rotating direction of the grinding cutter through the fixing shaft, the reinforcing flange is located in the center of the outer side of the screen, no screen hole is formed in the contact portion of the center of the screen and the reinforcing flange, and the middle of the grinding cutter is provided with a discontinuous groove to reduce extrusion force of materials on the screen. According to the device, stable production of particles with the particle size smaller than one millimeter is achieved, the phenomenon that the screen is deformed and burst in a short time is avoided, the replacement frequency of the screen and the possibility of occurrence of sanitary quality problems are reduced, and the prepared particles are fuller and more round.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary granulators, in particular to a rotary granulator screen capable of preventing deformation and bursting. Background Art

[0002] Rotary granulator is a commonly used granulation equipment in food, medicine and additive industries. It has the advantages of wide applicability, high particle forming rate and moderate equipment price. At present, the aperture of rotary granulator screen is mostly above 1.0mm. With the improvement of the requirements for the appearance and mixing uniformity of preparations, the demand for preparations with particle diameters less than 1.0mm is increasing. However, when the current rotary granulator screen is used in the production of particles less than 1.0mm, a large extrusion pressure will be formed on the granulation screen during the granulation process, which may easily cause the middle part of the screen to deform or even burst, which not only affects the continuous production process and the production line capacity, but also introduces health and safety problems in the process of replacing and repairing the screen, resulting in unstable product quality. Therefore, a rotary granulator screen that can prevent deformation and bursting is proposed to address the above problems. Utility Model Content

[0003] The technical problem to be solved by the utility model overcomes the existing defects and can effectively solve the problems in the background technology.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] A rotary granulator screen that prevents deformation and bursting comprises a material hopper, the bottom end of the material hopper contacts with an upper flange, the bottom end of the inner side of the upper flange is welded with a screen, the bottom end of the outer side of the screen is welded with a lower flange, the bottom end of the lower flange contacts with a base, the bottom end of the lower flange is slidably connected with a fastening bolt that passes through the lower flange, and the fastening bolt is spirally connected to the upper flange, the outer side of the fastening bolt contacts with a reinforcing flange that contacts with the screen, a rotating sleeve is rotatably connected at the center of the top end of the base, the outer side of the rotating sleeve is fixedly connected with evenly distributed grinding knives, the top end of the rotating sleeve is rotatably connected with a rotating block, the outer side of the rotating block is rotatably connected with a fixed shaft that passes through the rotating block, and one end of the outer side of the fixed shaft is fixedly connected with a press knife.

[0006] As a further improvement of the utility model, the top end of the lower flange is spirally connected with evenly distributed fixing bolts, and the fixing bolts penetrate the lower flange, and the fixing bolts are spirally connected to the base, and there are three fixing bolts.

[0007] As a further improvement of the utility model, the outer side of the material hopper is spirally connected with a quick-release bolt that penetrates the material hopper, and the quick-release bolt is spirally connected to the upper flange.

[0008] As a further improvement of the utility model, a motor fixedly connected to the base is provided at the bottom end of the rotating sleeve, a driving gear is fixedly connected to the end of the main shaft of the motor, one end of the outer side of the driving gear is meshedly connected to a gear ring fixedly connected to the rotating sleeve, the other end of the outer side of the driving gear is meshedly connected to a driven gear, a positioning shaft passing through the rotating sleeve is fixedly connected to the top end of the driven gear, and the positioning shaft is rotatably connected to the rotating sleeve, and the positioning shaft is fixedly connected to the rotating block.

[0009] As a further improvement of the present invention, one end of the fixed shaft located on the inner side of the rotating block is fixedly connected to a driven bevel gear, the outer side of the driven bevel gear is meshedly connected to a driving bevel gear, the top end of the driving bevel gear is fixedly connected to a rotating shaft that passes through the rotating block, and the rotating shaft is rotatably connected to the rotating block, the outer top end of the rotating shaft is fixedly connected to a worm wheel, the outer side of the worm wheel is meshedly connected to a worm that passes through the rotating block, and the worm is rotatably connected to the rotating block.

[0010] As a further improvement of the utility model, the reinforcing flange is located at the outer center of the screen, and no screen holes are provided at the contact portion between the center of the screen and the reinforcing flange, and an intermittent groove is provided in the middle portion of the grinding knife.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. A rotary granulator screen that prevents deformation and bursting, through the screen, grinding knife, reinforcement flange, driving gear, rotating block and pressing knife, when the device is used for granulation production, the upper flange and the lower flange are connected together by fastening bolts, and the reinforcement flange is limited at the center of the outer side of the screen to reinforce the screen, and then the contact part between the screen and the reinforcement flange is not provided with a screen hole, and an intermittent groove is provided at one end of the grinding knife center facing the center of the screen, and when the starting motor drives the driving gear to mesh the gear ring and the driven gear, the grinding knife is driven to rotate by controlling the rotating sleeve, At the same time, the rotation of the rotating block is controlled by the positioning shaft, and the rotating block drives the pressure knife to rotate in the opposite direction of the grinding knife through the fixed shaft. The reinforcement flange is located at the outer center of the screen, and no screen holes are provided at the contact part between the center of the screen and the reinforcement flange. An intermittent groove is provided in the middle part of the grinding knife to reduce the squeezing force of the material on the screen, thereby achieving stable production of particles with a particle size of less than one millimeter and avoiding the phenomenon of deformation and bursting of the screen in a short period of time. This not only reduces the frequency of screen replacement and the possibility of sanitary quality problems, but also makes the resulting particles fuller and rounder.

[0013] 2. A rotary granulator screen that prevents deformation and bursting, through the worm, worm wheel, active bevel gear, driven bevel gear, fixed shaft and press knife, before using the device for granulation production, the worm is rotated to mesh with the worm wheel, and the active bevel gear is further driven to mesh with the driven bevel gear through the rotating shaft, and the press knife can be driven to rotate through the fixed shaft, so that corresponding adjustments can be made according to the viscosity and extrudability of the material, and then a strip with a smooth and full surface can be obtained. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0015] Figure 1 The utility model is a schematic diagram of the overall structure of a rotary granulator screen that prevents deformation and bursting.

[0016] Figure 2 The utility model is a schematic cross-sectional structure diagram of a rotary granulator screen that prevents deformation and bursting.

[0017] Figure 3 The utility model is a top view and a cross-sectional structure schematic diagram of a rotary granulator screen grinding knife which can prevent deformation and bursting.

[0018] Figure 4 The utility model is a schematic diagram of the installation structure of a rotary granulator screen pressing knife which can prevent deformation and bursting, viewed from above.

[0019] In the figure: 1. Material hopper; 2. Upper flange; 3. Screen; 4. Lower flange; 5. Base; 6. Fastening studs; 7. Reinforcement flange; 8. Fixing bolts; 9. Quick-release bolts; 10. Rotating sleeve; 11. Grinding knife; 12. Motor; 13. Driving gear; 14. Gear ring; 15. Rotating block; 16. Fixed shaft; 17. Pressing knife; 18. Positioning shaft; 19. Driven gear; 20. Driven bevel gear; 21. Driving bevel gear; 22. Rotating shaft; 23. Worm wheel; 24. Worm. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with specific implementation methods, wherein the accompanying drawings are only used for exemplary descriptions and represent only schematic diagrams rather than actual drawings, and cannot be understood as limitations on this patent. In order to better illustrate the specific implementation methods of the utility model, some parts of the accompanying drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product. For those skilled in the art, it is understandable that some well-known structures and their descriptions in the accompanying drawings may be omitted. Based on the specific implementation methods in the utility model, all other specific implementation methods obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0021] Example 1

[0022] like Figure 1-4 As shown, a rotary granulator screen for preventing deformation and bursting comprises a material hopper 1, wherein the bottom end of the material hopper 1 contacts with an upper flange 2, a screen 3 is welded to the inner bottom end of the upper flange 2, a lower flange 4 is welded to the outer bottom end of the screen 3, the bottom end of the lower flange 4 contacts with a base 5, the bottom end of the lower flange 4 is slidably connected with a fastening bolt 6 penetrating the lower flange 4, and the fastening bolt 6 is spirally connected to the upper flange 2, the outer side of the fastening bolt 6 contacts with a reinforcing flange 7 contacting the screen 3, a rotating sleeve 10 is rotatably connected at the center of the top end of the base 5, the outer side of the rotating sleeve 10 is fixedly connected with evenly distributed grinding knives 11, the top end of the rotating sleeve 10 is rotatably connected with a rotating block 15, the outer side of the rotating block 15 is rotatably connected with a fixed shaft 16 penetrating the rotating block 15, and a press knife 17 is fixedly connected to one end of the outer side of the fixed shaft 16.

[0023] Example 2

[0024] like Figure 1-2 As shown, in order to solve the problem that it is inconvenient to remove the lower flange 4 from the base 5, the top of the lower flange 4 is spirally connected with evenly distributed fixing bolts 8, and the fixing bolts 8 penetrate the lower flange 4, and the fixing bolts 8 are spirally connected to the base 5. There are three fixing bolts 8. By rotating the fixing bolts 8 to disengage the spiral connection with the base 5, it is convenient to remove the lower flange 4 from the base 5.

[0025] Example 3

[0026] like Figure 1-2 As shown, in order to solve the problem that it is inconvenient to remove the material hopper 1 from the top of the upper flange 2, the outer side of the material hopper 1 is spirally connected with a quick-release bolt 9 that penetrates the material hopper 1, and the quick-release bolt 9 is spirally connected to the upper flange 2. By rotating the quick-release bolt 9 to disengage the spiral connection with the upper flange 2, it is convenient to remove the material hopper 1 from the top of the upper flange 2.

[0027] Example 4

[0028] like Figure 2 As shown, in order to solve the problem that it is inconvenient to control the pressure knife 17 to rotate in the opposite direction to the rotation direction of the grinding knife 11, the bottom end of the rotating sleeve 10 is provided with a motor 12 fixedly connected to the base 5, and the main shaft end of the motor 12 is fixedly connected to a driving gear 13, one end of the outer side of the driving gear 13 is meshed with a gear ring 14 fixedly connected to the rotating sleeve 10, and the other end of the outer side of the driving gear 13 is meshed with a driven gear 19, and the top of the driven gear 19 is fixedly connected with a positioning shaft 18 that penetrates the rotating sleeve 10, and the positioning shaft 18 is rotatably connected to the rotating sleeve 10, and the positioning shaft 18 is fixedly connected to the rotating block 15, and the driving gear 13 is driven by the motor 12 to simultaneously mesh with the gear ring 14 and the driven gear 19. In the process that the driving gear 13 meshes with the gear ring 14 to drive the grinding knife 11 outside the rotating sleeve 10 to rotate, the driving gear 13 simultaneously meshes with the driven gear 19, which facilitates the pressure knife 17 to rotate in the opposite direction to the rotation direction of the grinding knife 11 through the fixed shaft 16.

[0029] Example 5

[0030] like Figure 1-2 As shown, in order to solve the problem that it is inconvenient to adjust the angle of the press knife 17 according to the viscosity and extrudability of the material, the fixed shaft 16 is fixedly connected to a driven bevel gear 20 at one end located on the inner side of the rotating block 15, and the driven bevel gear 20 is meshed with a driving bevel gear 21 on the outer side, and the top of the driving bevel gear 21 is fixedly connected to a rotating shaft 22 that penetrates the rotating block 15, and the rotating shaft 22 is rotatably connected to the rotating block 15, and the top of the outer side of the rotating shaft 22 is fixedly connected to a worm gear 23, and the outer side of the worm gear 23 is meshed with a worm 24 that penetrates the rotating block 15, and the worm 24 is rotatably connected to the rotating block 15, and the worm gear 24 is meshed with the worm wheel 23 by rotating the worm gear 24, and the driving bevel gear 21 is further driven by the rotating shaft 22 to mesh with the driven bevel gear 20, which facilitates the angle adjustment of the press knife 17 according to the viscosity and extrudability of the material by driving the fixed shaft 16 to rotate.

[0031] Example 6

[0032] like Figure 1-3 As shown, in order to solve the problem that a large pressure is caused to the center of the screen 3 during the granulation process, the reinforcement flange 7 is located at the outer center of the screen 3, and no screen hole is provided at the contact portion between the center of the screen 3 and the reinforcement flange 7, and an intermittent groove is provided in the middle portion of the grinding knife 11. By not providing a screen hole at the center of the screen 3 and at the same time providing an intermittent groove in the middle portion of the grinding knife 11 facing the center of the screen 3, a large pressure is avoided on the center of the screen 3 during the process of controlling the rotating sleeve 10 to drive the grinding knife 11 to rotate.

[0033] In this embodiment, when the device is used for granulation production, the angle of the press knife 17 is first adjusted according to the viscosity and extrudability of the material. At this time, the worm 24 is rotated to engage the worm wheel 23, and the active bevel gear 21 is further driven by the rotating shaft 22 to engage the driven bevel gear 20. The press knife 17 can be driven to rotate by the fixed shaft 16 to adjust the angle. After the adjustment, when the device is used for granulation production, because the fastening bolts 6 connect the upper flange 2 and the lower flange 4 together, and the reinforcing flange 7 is limited at the center of the outer side of the screen 3 to reinforce the screen 3, and because the screen 3 and the reinforcing flange 7 are not provided with screen holes at the contact part of the screen 3 and the center of the grinding knife 11 is directly opposite to the center of the screen 3. The end of the center of the screen 3 is provided with an intermittent groove, so at this time, when starting When the motor 12 drives the driving gear 13 to mesh the gear ring 14 and the driven gear 19, the grinding knife 11 is driven to rotate by controlling the rotating sleeve 10, and the rotating block 15 is controlled to rotate by the positioning shaft 18. When the rotating block 15 drives the pressing knife 17 to rotate in the opposite direction of the grinding knife 11 through the fixed shaft 16, and further cooperates with the screen 3 for granulation, the screen 3 is reinforced during the granulation process, and the pressure on the screen 3 is reduced during the granulation process, thereby facilitating the production of particles with a particle size of less than one millimeter, and avoiding the phenomenon of rapid deformation and bursting of the screen 3, which not only reduces the replacement frequency of the screen 3 and the possibility of sanitary quality problems, but also makes the obtained particles fuller and rounder.

[0034] The above is a preferred implementation mode of the utility model. The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. Technical personnel in this industry should understand that the utility model is not limited to the above embodiments. The above embodiments and descriptions are only for illustrating the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements all fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A rotary granulator screen for preventing deformation and bursting, comprising a material hopper (1), characterized in that: The bottom end of the material hopper (1) contacts with an upper flange (2), a screen (3) is welded to the inner bottom end of the upper flange (2), a lower flange (4) is welded to the outer bottom end of the screen (3), the bottom end of the lower flange (4) contacts with a base (5), the bottom end of the lower flange (4) is slidably connected with a fastening bolt (6) penetrating the lower flange (4), and the fastening bolt (6) is spirally connected to the upper flange (2), the outer side of the fastening bolt (6) contacts with a reinforcing flange (7) in contact with the screen (3), the top center of the base (5) is rotatably connected with a rotating sleeve (10), the outer side of the rotating sleeve (10) is fixedly connected with evenly distributed grinding knives (11), the top of the rotating sleeve (10) is rotatably connected with a rotating block (15), the outer side of the rotating block (15) is rotatably connected with a fixed shaft (16) penetrating the rotating block (15), and one end of the outer side of the fixed shaft (16) is fixedly connected with a material pressing knife (17).

2. A rotary granulator screen for preventing deformation and bursting according to claim 1, characterized in that: The top end of the lower flange (4) is spirally connected with evenly distributed fixing bolts (8), and the fixing bolts (8) penetrate the lower flange (4). The fixing bolts (8) are spirally connected to the base (5), and there are three fixing bolts (8).

3. A rotary granulator screen that prevents deformation and bursting according to claim 1, characterized in that: The outer side of the material hopper (1) is spirally connected with a quick-release bolt (9) that penetrates the material hopper (1), and the quick-release bolt (9) is spirally connected to the upper flange (2).

4. A rotary granulator screen that prevents deformation and bursting according to claim 1, characterized in that: The bottom end of the rotating sleeve (10) is provided with a motor (12) fixedly connected to the base (5); the main shaft end of the motor (12) is fixedly connected to a driving gear (13); one end of the outer side of the driving gear (13) is meshingly connected to a gear ring (14) fixedly connected to the rotating sleeve (10); the other end of the outer side of the driving gear (13) is meshingly connected to a driven gear (19); the top end of the driven gear (19) is fixedly connected to a positioning shaft (18) penetrating the rotating sleeve (10); the positioning shaft (18) is rotatably connected to the rotating sleeve (10); and the positioning shaft (18) is fixedly connected to the rotating block (15).

5. A rotary granulator screen that prevents deformation and bursting according to claim 1, characterized in that: One end of the fixed shaft (16) located inside the rotating block (15) is fixedly connected to a driven bevel gear (20), the driven bevel gear (20) is meshedly connected to an active bevel gear (21) on the outside, the active bevel gear (21) is fixedly connected to a rotating shaft (22) penetrating the rotating block (15) at the top end thereof, and the rotating shaft (22) is rotationally connected to the rotating block (15), the outer top end of the rotating shaft (22) is fixedly connected to a worm wheel (23), the outer side of the worm wheel (23) is meshedly connected to a worm (24) penetrating the rotating block (15), and the worm (24) is rotationally connected to the rotating block (15).

6. A rotary granulator screen that prevents deformation and bursting according to claim 1, characterized in that: The reinforcing flange (7) is located at the center of the outer side of the screen (3), and no screen holes are provided at the contact portion between the center of the screen (3) and the reinforcing flange (7), and an intermittent groove is provided at the middle portion of the grinding knife (11).

Images