Spinning type granulator

Abstract

The utility model relates to a spinning type granulator. A case is provided with a shell, the shell is provided with a supporting ring, the inner side of the supporting ring is rotatably provided with a mounting ring, the mounting ring is detachably fixed with a screen, the lower end of the screen is detachably fixed with a blanking disc, the blanking disc is rotatably arranged at the top of the case, the bottom of the blanking disc is provided with an inner gear ring, and a core shaft is rotatably arranged in the case. The mandrel is movably sleeved with a hollow shaft, the mandrel and the hollow shaft rotate relatively through a driving mechanism, an outer gear ring is arranged on the hollow shaft, a reversing gear is meshed between the outer gear ring and the inner gear ring, the upper end of the hollow shaft is connected with a grinding cutter, the upper end of the mandrel is connected with a material pressing blade, and at the moment, the screen, the grinding cutter and the material pressing blade rotate relatively pairwise; the rotary-pressing granulation efficiency is improved, the screen mesh is convenient to replace, the upper end and the lower end of the screen mesh can be supported and fixed, the conditions of shaking and uneven stress during rotation of the screen mesh are reduced, damage to the screen mesh is reduced, and the granulation efficiency and the granulation effect of the granulator are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pharmaceutical equipment technical field, concretely relates to a spinning pressure type granulator. BACKGROUND

[0002] In the field of pharmacy, chemical industry, food industry, etc., the application of the granulator is more extensive. The process of material granulation is the process of solid powder or paste material into hard particles or pellets. The existing spinning pressure type granulation device mainly granulates the material through the relative movement of the pressure material leaf, the rolling knife, the material cylinder and the scraper. In order to adjust the size of the particles, the patent number "CN208494125U" of the Chinese patent file discloses a spinning pressure type granulation device, which adjusts the distance between the material scraper and the material cylinder through the strip, adjusts the size of the particles, and guides the particles on the material falling plate into the discharge port through the guide plate, which is convenient for the particle mobile phone. However, this way, the material cylinder and the material falling plate are fixed, the material cylinder and the rolling knife are welded, and the material cylinder and the rolling knife rotate in the same direction when the rotating drum rotates, which is not conducive to spinning pressure granulation, the granulation effect is poor, the efficiency is low, and the filter screen of the granulator is easy to wear under high speed rotation. The filter screen of the granulator is not easy to disassemble, replace and use. UTILITY MODEL CONTENT

[0003] In order to solve the above technical problems, the utility model provides a spinning pressure type granulator, which makes the screen, the rolling knife and the pressure material leaf relatively rotate, improves the efficiency of spinning pressure granulation, and the upper end of the screen and the mounting ring can be disassembled, the lower end and the material falling plate can be disassembled, which is convenient for replacing the screen, and the upper and lower ends of the screen can be supported and fixed, reduces the shaking and uneven stress of the screen when rotating, reduces the damage to the screen, improves the granulation efficiency and granulation effect of the granulator.

[0004] The utility model discloses a spinning formula granulator, including the machine case, be equipped with the shell on the machine case, the upper side of shell is fixed with the support ring through the support spoke, the inside of support ring is equipped with the mounting ring, the mounting ring is detachably fixed with the screen cloth, the upper end of screen cloth is detachably connected with the feed hopper, the lower end of screen cloth is detachably fixed with the blanking disc, the shell, mounting ring, screen cloth and blanking disc coaxial arrangement, the blanking disc rotates and is located the top of machine case, be equipped with one material guide and along the circumference arrangement of shell has multiple groups of material scraper, still be equipped with the discharge gate that with material guide cooperates on the shell, the bottom of material guide is in contact with blanking disc, the inside of material scraper is with the outer surface of screen cloth cooperation, the bottom of blanking disc is equipped with the inner tooth ring, the mandrel rotates and is equipped with the hollow shaft that moves in the machine case, the mandrel is with the hollow shaft relative rotation through the drive mechanism, be equipped with the outer tooth ring on the hollow shaft, the outer tooth ring and the inner tooth ring between meshing has the reversing gear that is equipped in the machine case, the upper end of hollow shaft is moved through blanking disc and is connected with the rolling cutter, the upper end of mandrel extends to the rolling cutter above and is connected with the pressure material leaf.

[0005] Further, the drive mechanism includes a rotary motor provided in the machine case, a first transmission bevel gear provided on the mandrel, and a second transmission bevel gear provided on the hollow shaft, and the output end of the rotary motor is fixed with a drive bevel gear engaged with the first transmission bevel gear and the second transmission bevel gear.

[0006] Further, the rotary motor is a speed reduction motor.

[0007] Further, the upper side of the screen cloth is provided with a limiting ring matched with the mounting ring, the limiting ring and the mounting ring are fixed through a connecting piece, and the lower end of the screen cloth is provided with a threaded ring threadedly matched with a threaded groove on the blanking disc.

[0008] Further, the upper surface of the blanking disc is provided with a conical material guiding surface, the low end of the conical material guiding surface extends to the shell direction from the outer edge of the threaded groove, and the lowest end is flush with the discharge port.

[0009] Further, the material scraper includes a threaded support rod and a scraper plate located at the inner end of the threaded support rod, the shell is provided with a support hole threadedly matched with the threaded support rod, and the threaded support rod is provided with a positioning nut located on both sides of the support hole.

[0010] The beneficial effects of the utility model are as follows: the casing is used for shielding the particles and mounting the scraper and the material guide; the support ring on the casing is used for supporting the upper end of the screen; the mounting ring is rotatably arranged on the support ring; the upper side of the screen is detachably fixed with the mounting ring, and the lower end is detachably fixed with the dropping disc, so that the upper end of the screen can rotate relative to the mounting ring, and the upper end and the lower end are both supported, the screen is driven to rotate when the dropping disc rotates, the screen is supported at both ends, the screen shaking is reduced, the stress on the screen is more uniform when the screen rotates, and the abrasion of the screen is reduced; the dropping disc is arranged on the top of the casing, the material guide arranged on the casing guides the particle material falling into the dropping disc to the discharge port, the manufactured particles are conveniently collected, the inner side of the scraper cooperates with the outer surface of the screen to scrape off the particles extruded from the screen; the driving mechanism drives the core shaft and the hollow shaft to relatively rotate, and then drives the rolling cutter on the upper end of the core shaft and the pressing blade on the upper end of the hollow shaft to reversely rotate, the efficiency of the rotary pressure granulation is improved, the outer gear ring is arranged on the hollow shaft, the inner gear ring is arranged on the dropping disc, the outer gear ring meshes with the reversing gear when the hollow shaft rotates, the reversing gear meshes with the inner gear ring, the hollow shaft and the dropping disc relatively rotate, and then the screen on the dropping disc reversely rotates with the rolling cutter, and the efficiency of the rotary pressure granulation is further improved.

[0011] The utility model is further described below in combination with the drawings and specific embodiments. DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is Figure 1 a detail enlarged view of A of the utility model;

[0014] Figure 3 It is Figure 1 a detail enlarged view of B of the utility model.

[0015] In the drawing: 1 - machine box, 2 - shell, 21 - support ring, 22 - mounting ring, 23 - discharge port, 3 - screen, 31 - limiting ring, 32 - threaded ring, 4 - feeding hopper, 5 - blanking disc, 51 - inner tooth ring, 52 - threaded groove, 53 - conical material guiding surface, 6 - material guide, 7 - material scraper, 71 - threaded support rod, 72 - scraper plate, 73 - positioning nut, 81 - mandrel, 811 - material pressing blade, 812 - first transmission bevel gear, 82 - hollow shaft, 821 - outer tooth ring, 822 - rolling knife, 823 - second transmission bevel gear, 83 - reversing gear, 9 - drive mechanism, 91 - rotary motor, 92 - drive bevel gear. DETAILED DESCRIPTION

[0016] With reference to the drawings, the specific implementation of the present application will be described in detail.

[0017] With reference to Figures 1 to 3 The present application provides a spinning type granulator, which comprises a machine box 1, wherein a shell 2 is arranged on the machine box 1, a drive mechanism 9 is arranged in the machine box 1, and the shell 2 is used for shielding particles and mounting a material scraper 7 and a material guide 6. The material guide 6 comprises a support rod and a material guide plate, the support rod is arranged on the shell 2, the lower side of the material guide plate is adapted to the upper surface of a blanking disc 5, and the material guide plate is arranged obliquely, so as to facilitate guiding the particles falling into the blanking disc 5.

[0018] The upper side of the shell 2 is fixed with a support ring 21 through support spokes, and the support ring 21 is used for supporting the upper end of a screen 3. The inner side of the support ring 21 is rotatably provided with a mounting ring 22, and the screen 3 is detachably fixed on the mounting ring 22, so that the upper end of the screen 3 can rotate relative to the mounting ring 22.

[0019] The upper end of the screen 3 is detachably connected with the feeding hopper 4, the feeding hopper 4 is used for feeding into the screen 3, at this time, the upper end of the screen 3 can be provided with a first flange, the lower end of the feeding hopper 4 can be provided with a second flange matched with the first flange, and the screen 3 and the feeding hopper 4 are connected through the butt joint of the first flange and the second flange. The lower end of the screen 3 is detachably fixed with the discharging disc 5, the shell 2, the mounting ring 22, the screen 3 and the discharging disc 5 are coaxially arranged, at this time, the upper end and the lower end of the screen 3 are supported, the screen 3 is driven to rotate when the discharging disc 5 rotates, since the upper end and the lower end of the screen 3 are supported, the shaking of the screen 3 is reduced, the stress of the screen 3 is more uniform when rotating, the wear of the screen 3 is reduced, and at this time, the upper end and the lower end of the screen 3 are detachable, which is convenient for replacing the screen 3. Further, the upper side of the screen 3 is provided with a limiting ring 31 matched with the mounting ring 22, the limiting ring 31 and the mounting ring 22 are fixed through a connecting piece, the connecting piece can adopt a bolt, a plurality of groups of corresponding mounting holes can be arranged on the limiting ring and the mounting ring, and the limiting ring and the mounting ring are connected and fixed between the connecting piece and the nut through the bolt passing through the mounting hole. The lower end of the screen 3 is provided with a threaded ring 32 threadedly matched with a threaded groove 52 on the discharging disc 5. At this time, the threaded ring 32 at the lower end of the screen 3 is screwed in the threaded groove 52, then the limiting ring 31 and the mounting ring 22 are fixed, and the upper end and the lower end of the screen 3 are fixed. When disassembling, the connecting piece between the limiting ring 31 and the mounting ring 22 is removed, so that the limiting ring 31 can rotate relative to the mounting ring 22, the threaded ring 32 is screwed out of the threaded groove 52 when the screen 3 is rotated, and the screen 3 can be removed, and the screen 3 is replaced.

[0020] The blanking disc 5 is arranged on the top of the cabinet 1, the shell 2 is provided with a material guide 6 and a plurality of groups of material scrapers 7 arranged along the circumference of the shell 2, the shell 2 is further provided with a discharge port 23 matched with the material guide 6, the bottom of the material guide 6 is in contact with the blanking disc 5, the inner side of the material scraper 7 is matched with the outer surface of the screen 3, the material guide 6 arranged on the shell 2 guides the particle material falling into the blanking disc 5 to the discharge port 23, so as to facilitate the collection of the prepared particles, and the inner side of the material scraper 7 is matched with the outer surface of the screen 3 to scrape off the particles squeezed out from the screen 3. Further, the upper surface of the blanking disc 5 is provided with a conical material guide surface 53, the low end of the conical material guide surface 53 extends to the shell 2 from the outer edge of the thread groove 52 and the lowest end is flush with the discharge port 23. At this time, when the particles squeezed out from the screen 3 fall on the blanking disc 5, due to the arrangement of the conical material guide surface 53, the particles move to the outer edge of the blanking disc 5, and the material guide 6 guides the particles in the blanking disc 5 to the discharge port 23 in the rotating process of the blanking disc 5, so as to avoid the accumulation of particles on the blanking disc 5. The material scraper 7 includes a threaded support rod 71 and a scraper 72 located at the inner extension end of the threaded support rod 71, the shell 2 is provided with a support hole matched with the threaded support rod 71 in screw, and the threaded support rod 71 is provided with a positioning nut 73 located on both sides of the support hole. At this time, the radial position of the threaded support rod 71 on the shell 2 can be adjusted by turning the positioning nut 73, so as to adjust the gap between the scraper 72 and the screen cylinder, and realize the adjustment of the particle size. Further, the axis of the scraper 72 and the outer periphery of the screen cylinder have an included angle, that is, the scraper 72 is arranged obliquely, so as to facilitate the scraping of the material.

[0021] The bottom of the blanking disc 5 is provided with an inner gear ring 51, a mandrel 81 is rotatably arranged in the cabinet 1, a hollow shaft 82 is movably sleeved on the mandrel 81, the mandrel 81 and the hollow shaft 82 are relatively rotatable through a driving mechanism 9, the hollow shaft 82 is provided with an outer gear ring 821, the outer gear ring 821 and the inner gear ring 51 are meshed with a reversing gear 83 arranged in the cabinet 1, at this time, the reversing gear 83 is rotatably arranged between the inner gear ring 51 and the outer gear ring 821 through a support plate fixed at one end to the inner wall of the cabinet, the upper end of the hollow shaft 82 is movably arranged through the blanking disc 5 and connected with a rolling cutter 822, and the upper end of the mandrel 81 extends to above the rolling cutter 822 and is connected with a pressing blade 811. The driving mechanism 9 drives the mandrel 81 and the hollow shaft 82 to relatively rotate, and then drives the rolling cutter 822 at the upper end of the mandrel 81 and the pressing blade 811 at the upper end of the hollow shaft 82 to reversely rotate, so that the efficiency of spinning granulation is improved. Since the hollow shaft 82 is provided with the outer gear ring 821 and the blanking disc 5 is provided with the inner gear ring 51, through the arrangement of the reversing gear 83, when the hollow shaft 82 rotates, the outer gear ring 821 is meshed with the reversing gear 83, the reversing gear ring is meshed with the inner gear ring 51, so that the hollow shaft 82 and the blanking disc 5 relatively rotate, and then the screen 3 on the blanking disc 5 and the rolling cutter 822 reversely rotate, so that the efficiency of spinning granulation is further improved.

[0022] Further, the driving mechanism 9 comprises a rotating motor 91 arranged in the cabinet 1, a first transmission bevel gear 812 arranged on the mandrel 81 and a second transmission bevel gear 823 arranged on the hollow shaft 82, and the output end of the rotating motor 91 is fixed with a driving bevel gear 92 meshed with the first transmission bevel gear 812 and the second transmission bevel gear 823. At this time, the rotating motor 91 drives the driving bevel gear 92 to rotate, the driving bevel gear 92 drives the first transmission bevel gear 812 and the second transmission bevel gear 823 to relatively rotate, and then drives the mandrel 81 and the hollow shaft 82 to relatively rotate, so that the rolling cutter 822 and the pressing blade 811 reversely rotate, and the rotating power is provided for the hollow shaft 82 and the mandrel 81. Preferably, the rotating motor 91 is a speed reducer.

[0023] By rotating the screen 3 on the support ring 21, the screen 3 is driven by the blanking disc 5 to reversely rotate with the rolling cutter 822, and the rolling cutter 822 and the pressing blade 811 are driven by the hollow shaft 82 and the mandrel 81 to reversely rotate, so that the efficiency and effect of spinning granulation are improved. The upper and lower ends of the screen 3 can be respectively detached from the mounting ring 22 and the blanking disc 5, so that the screen 3 can be conveniently replaced, and after installation, the screen 3 can be supported by the support ring 21 and the blanking disc 5, so that the shaking of the screen 3 is reduced, the screen 3 is uniformly stressed, and the wear of the screen 3 is reduced.

[0024] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0025] The above only describes the preferred embodiments of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A rotary granulator, characterized in that, The utility model provides a kind of screening machine, including cabinet (1), which is provided with shell (2) on the cabinet (1), support ring (21) is fixed on the upper side of shell (2) by support spoke, installation ring (22) is rotatably arranged in the inner side of support ring (21), screen (3) is detachably fixed on installation ring (22), the upper end of screen (3) is detachably connected with feed hopper (4), the lower end of screen (3) is detachably fixed with material falling disc (5), shell (2), installation ring (22), screen (3) and material falling disc (5) are coaxially arranged, material falling disc (5) is rotatably arranged on the top of cabinet (1), a material guide (6) and a plurality of groups of material scrapers (7) are arranged along the circumference of shell (2) on shell (2), shell (2) is further provided with a discharge port (23) matched with the material guide (6), the bottom of the material guide (6) is in contact with the material falling disc (5), the inner side of the material scraper (7) is matched with the outer surface of the screen (3), The bottom of the material falling disc (5) is provided with an inner gear ring (51), a mandrel (81) is rotatably arranged in the cabinet (1), a hollow shaft (82) is movably sleeved on the mandrel (81), the mandrel (81) and the hollow shaft (82) are relatively rotated by a driving mechanism (9), the hollow shaft (82) is provided with an outer gear ring (821), the outer gear ring (821) and the inner gear ring (51) are engaged with a reversing gear (83) arranged in the cabinet (1), the upper end of the hollow shaft (82) passes through the material falling disc (5) and is connected with a rolling cutter (822), the upper end of the mandrel (81) extends above the rolling cutter (822) and is connected with a pressing blade (811).

2. The rotary pressure granulator of claim 1, wherein The driving mechanism (9) comprises a rotary motor (91) arranged in the cabinet (1), a first transmission bevel gear (812) arranged on the mandrel (81) and a second transmission bevel gear (823) arranged on the hollow shaft (82), and the output end of the rotary motor (91) is fixed with a driving bevel gear (92) engaged with the first transmission bevel gear (812) and the second transmission bevel gear (823).

3. The rotary pressure granulator of claim 2, wherein, The rotary motor (91) is a speed reducer motor.

4. The rotary pressure granulator of claim 1, wherein The upper side of the screen (3) is provided with a limiting ring (31) matched with the installation ring (22), the limiting ring (31) and the installation ring (22) are fixed by a connecting piece, and the lower end of the screen (3) is provided with a threaded ring (32) threadedly matched with a threaded groove (52) on the material falling disc (5).

5. The rotary pressure granulator of claim 4, wherein, The upper surface of the material falling disc (5) is provided with a conical material guide surface (53), the low end of the conical material guide surface (53) extends from the outer edge of the threaded groove (52) to the shell (2) direction and the lowest end is flush with the discharge port (23).

6. The rotary pressure granulator of claim 1, wherein The material scraper (7) comprises a threaded support rod (71) and a scraper (72) located at the inner extension end of the threaded support rod (71), the shell (2) is provided with a support hole threadedly matched with the threaded support rod (71), and the threaded support rod (71) is provided with a positioning nut (73) located on both sides of the support hole.

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