Medicine raw material production grinding device

Abstract

The invention relates to the field of medicine production, and particularly discloses a medicine raw material production grinding device which comprises a shell, a grinding mechanism is arranged on the inner side of the shell, the grinding mechanism comprises a sieve plate vertically and movably connected to the inner wall of the shell, and a vertically-arranged bottom shaft is rotationally arranged in the middle of the sieve plate; an upper shaft for driving the bottom shaft to rotate is arranged at the upper end of the bottom shaft; a shaking mechanism for controlling the sieve plate to move up and down is arranged at the bottom of the sieve plate. According to the medicine raw material production grinding device, the arranged grinding mechanism is matched with the shaking mechanism so that the sieve plate can be shaken up and down while rolling is conducted, falling of materials is facilitated, meanwhile, the uniform feeding mechanism in linkage with the shaking mechanism is matched so that the materials can be relatively evenly dispersed on the sieve plate during feeding, and therefore the grinding efficiency is improved. And grinding of the grinding mechanism is facilitated, the grinding effect can be improved, and blockage of the sieve plate can be reduced.

Description

Technical Field

[0001] The invention relates to the field of drug production, and in particular to a drug raw material production grinding device. Background Art

[0002] In the production process of pharmaceutical raw materials, grinding devices play a vital role, mainly grinding raw material particles into powders of required fineness by mechanical means to meet the strict requirements of drug manufacturing on raw material particle size. Existing grinding devices usually achieve grinding effect by extrusion through relative displacement between a grinding block and a sieve plate. In this process, raw material particles are placed between the grinding block and the sieve plate. As the grinding block moves, the particles are squeezed and ground. Qualified fine particles can fall through the sieve holes of the sieve plate and become the ground products, while unqualified larger particles continue to remain on the sieve plate and undergo further extrusion and grinding until the required particle size is reached.

[0003] However, in the prior art, the sieve plate is usually kept fixed, and the particles are forced to fall through the sieve holes by themselves only by squeezing. This fixed sieve plate design not only leads to low grinding efficiency, because the particles need to rely on their own gravity and squeezing force to pass through the sieve holes, but also easily causes the sieve plate to be blocked. When the particles are too large or the humidity is too high, they may stick to the sieve holes, hindering the passage of subsequent particles; in addition, the feed port position of the existing grinding device is usually fixed, and the raw material particles generally enter the grinding area from one or more fixed positions. This feeding method easily leads to uneven accumulation of particles on the sieve plate, especially near the feed port, where the accumulation phenomenon is more serious. The uneven accumulation of particles will affect the squeezing effect of the grinding block, so that the particles in some areas cannot be fully ground, thereby reducing the overall grinding efficiency.

[0004] Therefore, it is necessary to propose a pharmaceutical raw material production grinding device to solve the above problems. Summary of the invention

[0005] The main purpose of the present invention is to provide a pharmaceutical raw material production grinding device, which can effectively solve the problems in the background technology.

[0006] To achieve the above object, the technical solution adopted by the present invention is:

[0007] A drug raw material production grinding device, comprising a shell, a grinding mechanism is arranged inside the shell, the grinding mechanism comprises a sieve plate vertically movably connected to the inner wall of the shell, a vertically arranged bottom shaft is rotatably arranged in the middle of the sieve plate, an upper shaft for driving the rotation is arranged at the upper end of the bottom shaft, a reduction motor for driving the upper shaft to rotate is arranged at the top of the shell, an adjustment seat located at the top of the sieve plate is arranged at one end of the bottom shaft close to the sieve plate, a second rotating shaft is rotatably connected to the side wall of the adjustment seat, and a grinding roller is arranged on the outer side of the second rotating shaft;

[0008] The bottom of the sieve plate is provided with a shaking mechanism for controlling the up and down displacement of the sieve plate, the shaking mechanism includes a support ring arranged on the inner wall of the lower end of the shell and located below the sieve plate, the top of the support ring is evenly provided with protrusions, and the two ends of the protrusions are slopes that smoothly transition with the top wall of the support ring, the lower end of the bottom shaft extends to the bottom of the sieve plate, and the lower end side wall of the bottom shaft is provided with a cross arm located at the top of the support ring, the end of the cross arm away from the bottom shaft is rotatably connected to a roller for rolling with the top of the support ring, the upper end of the bottom shaft is fixed with a floating column in the shape of a polygonal column, the bottom of the upper shaft is provided with a floating groove adapted to the floating column, the floating column is movably guided and connected to the inner side of the floating groove, and a second spring is provided between the top of the floating column and the top wall of the floating groove;

[0009] The upper end of the shell is provided with a uniform feeding mechanism, which includes a fixed arm fixed to the side wall of the upper shaft, and an annular material storage trough with an open top is fixed to the end of the fixed arm away from the upper shaft, and a feeding port corresponding to the material storage trough is provided on the top of the shell, and a distributing barrel connected to the material storage trough is provided at the corresponding position of the fixed arm on the outer side of the material storage trough, and a first rotating shaft is rotatably connected to the middle part of the fixed arm, and one end of the first rotating shaft extends to the inner side of the distributing barrel and is provided with a dragon blade, and the bottom of the distributing barrel is evenly provided with a drop trough along the length direction of the distributing barrel. A mounting groove is provided on one side of the floating column close to the fixed arm, and racks are diagonally provided on opposite sides of the inner cavity of the mounting groove. The end of the first rotating shaft away from the Jiaolong blade extends to the inner side of the mounting groove and is provided with a pair of first gears corresponding to and meshing with the racks, and a one-way bearing is fixed at the corresponding position of the outer wall of the first rotating shaft and the first gear. The first gear is fixed to the outer wall of the one-way bearing, and the rotation directions of the two one-way bearings at the end of the same first rotating shaft are opposite, so that when the floating column drives the rack to move up and down, the first gear can drive the first rotating shaft to always rotate in one direction.

[0010] Preferably, the inner side of the material storage trough is evenly provided with material guide slopes with sloped surfaces at both ends, and the gap between two adjacent material guide slopes corresponds to one end of the Jiaolong blade.

[0011] Preferably, it also includes a turning assembly for turning over the ground material on the top of the screen plate, the turning assembly includes a third rotating shaft rotatably connected to the side wall of the adjustment seat, the outer wall of the third rotating shaft is evenly provided with flipping plates, the top periphery of the screen plate is provided with an auxiliary ring that slides with the inner wall of the shell, the auxiliary ring is a hollow structure, and the bottom of the inner cavity of the auxiliary ring is provided with an end face gear ring, the third rotating shaft extends from one end of the adjustment seat to the inner side of the auxiliary ring and is provided with a second gear that meshes with the end face gear ring.

[0012] Preferably, a blocking ring is rotatably connected inside the auxiliary ring for blocking the end face gear ring and the second gear, and one end of the third rotating shaft close to the second gear passes through the blocking ring and extends to the inside of the auxiliary ring, and one end of the third rotating shaft close to the second gear is rotatably connected to the blocking ring.

[0013] Preferably, a semicircular opening is provided on one side of the lower end of the shell, and an arc-shaped material taking door is hinged on one side of the opening, and a material receiving trough corresponding to the screen plate is placed at the bottom of the inner cavity of the shell.

[0014] Preferably, a paving assembly corresponding to the material receiving trough is provided at the bottom of the screen plate, and the paving assembly includes an annular guide rail fixed to the bottom wall of the support ring, a paving plate is movably connected to the annular guide rail, and the lower end of the paving plate is inclined, and a through hole adapted to the upper end of the paving plate is provided on the cross arm, and the cross arm is movably sleeved on the outer side of the upper end of the paving plate through the through hole, so that the paving plate is driven to rotate around the annular guide rail when the cross arm rotates.

[0015] Preferably, a lifting assembly for lifting the material receiving trough is provided at the bottom of the inner cavity of the shell, and the lifting assembly includes a tray arranged at the bottom of the inner cavity of the shell, and the material receiving trough is placed on the top of the tray, and a guide column with a "T"-shaped cross-section is vertically arranged on the periphery of the bottom of the inner cavity of the shell, and the periphery of the tray is movably sleeved on the outside of the guide column, and the upper end of the guide column is sleeved on the outside of the first spring located at the top of the tray, and a lifting arm corresponding to the bottom of the tray is provided at the lower end of the inner side of the feeding door, and the top of the lifting arm close to the tray is an inclined surface, and the bottom of the tray close to the feeding door is an inclined surface, so that when the feeding door is closed, the lifting arm props up the pallet through the cooperation of the inclined surface, and it is configured that when the material receiving trough is propped up, the lower end of the paving board is located on the inner side of the material receiving trough.

[0016] Preferably, it also includes an extrusion force adjustment component, which includes an annular adjustment plug threadedly connected to the upper end of the inner side of the adjustment seat, a driving block corresponding to the second rotating shaft is arranged at the bottom of the adjusting plug, the grinding roller is a cylindrical structure, the second rotating shaft is a hollow structure, the inner side of the second rotating shaft is movably connected with an inner shaft along the axial direction of the second rotating shaft, the end of the inner shaft close to the adjustment seat extends to the inner side of the adjustment seat and is rotatably connected with a slider corresponding to the driving block, the side surface of the driving block is an inclined surface, and a linear guide rail with an inclination matching the inclined surface is arranged on the inclined surface, the end of the slider away from the inner shaft is movably connected to the linear guide rail, so that when the driving block is longitudinally displaced, the inner shaft is driven to move axially along the second rotating shaft, and the second rotating shaft is located at one end inside the grinding roller A first arc plate is evenly arranged around the outer side, a third spring is fixed between an end of the first arc plate away from the second rotating shaft and the inner wall of the grinding roller, a second arc plate corresponding to the first arc plate is arranged on the inner periphery of the second rotating shaft, a connecting rod is arranged at an end of the second arc plate close to the first arc plate, and an end of the connecting rod away from the second arc plate extends to the outer side of the second rotating shaft and is fixedly connected to the side wall of the first arc plate, and the connecting rod cooperates with the movable guide of the second rotating shaft, a conical driving cone is arranged at the corresponding position of the outer wall of the inner shaft and the second arc plate, and the second arc plate is located outside the driving cone, so that when the inner shaft drives the driving cone to move axially along the second rotating shaft, the second arc plate will drive the connecting rod and the first arc plate to move outward as a whole due to the push of the driving cone to squeeze the third spring;

[0017] The inner walls at both ends of the grinding roller are symmetrically provided with first sealing rings with a diameter larger than the diameter of the second rotating shaft, and the two ends of the second rotating shaft are respectively fixed with second sealing rings with a diameter larger than the inner diameter of the first sealing ring. The second sealing ring and the first sealing ring are fitted together and slidably connected.

[0018] Preferably, an annular guide rail is provided on the periphery of the side of the first sealing ring away from the grinding roller, a second cleaning scraper slidably matched with the outer wall of the grinding roller is provided on the top of the grinding roller, and both ends of the second cleaning scraper extend to the side of the first sealing ring and are movably guided and connected to the annular guide rail, and a connecting arm corresponding to the second cleaning scraper is provided on the side wall of the adjustment seat, and an end of the connecting arm away from the adjustment seat is movably sleeved on an end of the second cleaning scraper close to the adjustment seat, and the movable connection direction of the connecting arm and the second cleaning scraper is longitudinal.

[0019] Preferably, a first cleaning scraper corresponding to the third rotating shaft is fixedly provided on the side wall of the adjustment seat, and the first cleaning scraper is located above the second rotating shaft and corresponds to an end of the scraper plate away from the second rotating shaft.

[0020] Compared with the prior art, the present invention provides a pharmaceutical raw material production grinding device having the following

[0021] Beneficial effects:

[0022] 1. The pharmaceutical raw material production grinding device can shake the screen plate up and down while rolling through the grinding mechanism and the shaking mechanism, which is convenient for the falling of the material. At the same time, it is linked with the grinding structure, with a compact structure and easy use. At the same time, the uniform feeding mechanism linked with the shaking mechanism can make the material relatively evenly dispersed on the screen plate during feeding, which is convenient for the grinding of the grinding mechanism, not only improving the grinding effect, but also reducing the blockage of the screen plate; the turning component can turn the material after rolling and grinding, which can reduce blockage and facilitate screening, especially for materials with high humidity, to avoid being rolled and compacted by the grinding mechanism.

[0023] 2. The pharmaceutical raw material production grinding device can improve the space utilization rate of the material receiving trough when receiving materials by means of the spreading component and the lifting component, thereby avoiding local accumulation in the material receiving trough. Moreover, the material receiving trough can be automatically raised and lowered when the material taking door is opened and closed, so that the spreading component can enter the material receiving trough for spreading.

[0024] 3. The drug raw material production grinding device can adjust the extrusion pressure of the grinding roller on the material through the extrusion pressure adjustment component, which can adapt to different drug raw materials and avoid the molecular structure of some drugs being destroyed due to excessive pressure.

[0025] 4. The pharmaceutical raw material production grinding device can conveniently clean the outer wall of the grinding roller by setting a second cleaning scraper to prevent the material from adhering to the outer surface of the grinding roller when rolling the material. The second cleaning scraper automatically scrapes when the grinding roller rotates, and because one end of the second cleaning scraper is longitudinally movably connected to the connecting arm, cleaning can be achieved even if the extrusion force is adjusted to cause the grinding roller to float to different degrees when grinding; the first cleaning scraper can clean the end of the scraper plate that is rotating to prevent the material from adhering to the end of the scraper plate when squeezing the material. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the structure of the present invention;

[0027] Figure 2 It is a schematic diagram of the longitudinal cross-section structure of the housing of the present invention;

[0028] Figure 3 The present invention Figure 2 Schematic diagram of the structure when the foundation is disassembled;

[0029] Figure 4 It is a schematic diagram of the structure of the tray and the material taking door of the present invention in a coordinated state;

[0030] Figure 5 It is a schematic diagram of the overall structure of the sieve plate, auxiliary ring, support ring, bottom shaft and upper shaft of the present invention;

[0031] Figure 6 The present invention Figure 5 Schematic diagram of the structure when the foundation is disassembled;

[0032] Figure 7 It is a schematic diagram of the structure of the support ring and the paving board of the present invention in a disassembled state;

[0033] Figure 8 It is a schematic diagram of the structure of the upper shaft, the material storage tank, the dragon blades and the material distribution barrel of the present invention in a disassembled state;

[0034] Fig. 9 It is a schematic diagram of the specific structure of the disassembly of the material distributing barrel and the Jiaolong blade of the present invention;

[0035] Fig.10 It is a schematic diagram of the cross-sectional structure of the floating column of the present invention;

[0036] Fig.11 It is a structural schematic diagram of the present invention from the bottom perspective of the upper shaft;

[0037] Fig.12 It is a schematic diagram of a partial cross-sectional structure of the auxiliary ring of the present invention;

[0038] Fig.13 The present invention Fig.12 Schematic diagram of the structure after the sieve plate and auxiliary ring on the foundation are disassembled;

[0039] Fig.14 The present invention Fig.13 Schematic diagram of the structure when the foundation is disassembled;

[0040] Fig.15 It is a schematic diagram of the overall structure of the grinding roller, the second rotating shaft, the second cleaning scraper, and the connecting arm of the present invention;

[0041] Fig.16 The present invention Fig.15 A schematic diagram of the partial cross-sectional structure of the grinding roller on the basis;

[0042] Fig.17 It is a schematic diagram of the structure of the second rotating shaft and the inner shaft of the present invention when they are disassembled;

[0043] Fig.18 It is a schematic diagram of the specific structure of the first curved plate and the second curved plate of the present invention.

[0044] In the figure: 1, housing; 2, material taking door; 3, material inlet; 4, reduction motor; 5, sieve plate; 6, auxiliary ring; 7, tray; 8, material receiving trough; 9, material storage trough; 10, bottom shaft; 11, upper shaft; 12, material distributing barrel; 13, guide column; 14, first spring; 15, lifting arm; 16, support ring; 17, grinding roller; 18, roller; 19, floating column; 20, second spring; 21, protrusion; 22, paving board; 23, third spring; 24, material guide slope; 25, Jiaolong blade; 26, fixed arm; 27, first rotating shaft; 28, first gear; 29. Blanking chute; 30. Mounting groove; 31. Rack; 32. Floating groove; 33. End face gear ring; 34. Second gear; 35. Flip scraper; 36. Second rotating shaft; 37. Adjusting plug; 38. Adjusting seat; 39. Cross arm; 40. Third rotating shaft; 41. First cleaning scraper; 42. Second cleaning scraper; 43. Driving block; 44. Connecting arm; 45. Sliding block; 46. First sealing ring; 47. Second sealing ring; 48. First arc plate; 49. Driving cone; 50. Second arc plate; 51. Connecting rod; 52. Inner shaft; 53. Shielding ring. DETAILED DESCRIPTION

[0045] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0046] like Figure 1-Figure 3 , Figure 5-Figure 6 , Figure 12-16 As shown, a drug raw material production grinding device comprises a shell 1, a grinding mechanism is arranged inside the shell 1, the grinding mechanism comprises a sieve plate 5 vertically movably connected to the inner wall of the shell 1, specifically, a vertical guide rail is arranged on the inner wall of the shell 1, the edge of the sieve plate 5 is movably connected to the guide rail, and the edge of the sieve plate 5 contacts the inner wall of the shell 1, a vertically arranged bottom shaft 10 is rotatably arranged in the middle of the sieve plate 5, specifically, a bearing is embedded in the middle of the sieve plate 5, the bottom shaft 10 is fixed to the inner wall of the bearing, so that the rotation of the bottom shaft 10 will not drive the sieve plate 5 to rotate, but can drive the sieve plate 5 to move up and down, an upper shaft 11 for driving the rotation is arranged on the upper end of the bottom shaft 10, a reduction motor 4 for driving the upper shaft 11 to rotate is arranged on the top of the shell 1, an end of the bottom shaft 10 close to the sieve plate 5 is arranged with an adjustment seat 38 located at the top of the sieve plate 5, a second rotating shaft 36 is rotatably connected to the side wall of the adjustment seat 38, and a grinding roller 17 is arranged on the outer side of the second rotating shaft 36;

[0047] Further, such as Figure 3 , Figure 5-Figure 7 , Figure 10-11 , Fig.13As shown, in order to achieve efficient material discharge, a shaking mechanism for controlling the up and down displacement of the sieve plate 5 is arranged at the bottom of the sieve plate 5, and the shaking mechanism includes a support ring 16 arranged on the inner wall of the lower end of the shell 1 and located below the sieve plate 5, and the top of the support ring 16 is evenly provided with protrusions 21, and the two ends of the protrusions 21 are slopes that smoothly transition with the top wall of the support ring 16. The lower end of the bottom shaft 10 extends to the bottom of the sieve plate 5, and the lower end side wall of the bottom shaft 10 is provided with a cross arm 39 located at the top of the support ring 16, and the end of the cross arm 39 away from the bottom shaft 10 is rotatably connected with A roller 18 is used to roll with the top of the support ring 16. A floating column 19 in the shape of a polygonal column is fixed to the upper end of the bottom shaft 10. A floating groove 32 adapted to the floating column 19 is provided at the bottom of the upper shaft 11. The floating column 19 is movably guided and connected to the inner side of the floating groove 32. A second spring 20 is provided between the top of the floating column 19 and the top wall of the floating groove 32. The polygonal column shape of the floating column 19 and the floating groove 32 can drive the bottom shaft 10 to rotate when the upper shaft 11 rotates. At the same time, the floating column 19 can also undergo longitudinal relative displacement with the upper shaft 11.

[0048] like Figure 1-Figure 3 , Figure 5-Figure 6 , Figure 8-Figure 10 As shown, in order to facilitate the uniform distribution of materials, a uniform feeding mechanism is provided at the upper end of the shell 1, and the uniform feeding mechanism includes a fixed arm 26 fixed to the side wall of the upper shaft 11, and a storage tank 9 with an annular shape and an open top is fixed at one end of the fixed arm 26 away from the upper shaft 11, and a feeding port 3 corresponding to the storage tank 9 is provided at the top of the shell 1, and a distribution barrel 12 connected to the storage tank 9 is provided at the corresponding position of the fixed arm 26 on the outer side of the storage tank 9, and a first rotating shaft 27 is rotatably connected to the middle part of the fixed arm 26, and one end of the first rotating shaft 27 extends to the inner side of the distribution barrel 12 and is provided with a dragon blade 25. In order to concentrate the materials at the end of the dragon blade 25, a guide slope 24 with sloped surfaces at both ends is evenly provided on the inner side of the storage tank 9, and the gap between two adjacent guide slopes 24 corresponds to one end of the dragon blade 25. , the bottom of the distributing barrel 12 is evenly provided with material dropping grooves 29 along the length direction of the distributing barrel 12, and a mounting groove 30 is provided on one side of the floating column 19 close to the fixed arm 26, and racks 31 are diagonally provided on opposite sides of the inner cavity of the mounting groove 30, and the racks 31 are vertically arranged, and the end of the first rotating shaft 27 away from the dragon blade 25 extends to the inner side of the mounting groove 30 and is provided with a pair of first gears 28 corresponding to and meshing with the racks 31. Specifically, a one-way bearing is fixed at the corresponding position of the outer wall of the first rotating shaft 27 and the first gear 28, and the first gear 28 is fixed on the outer wall of the one-way bearing, and the two one-way bearings at the end of the same first rotating shaft 27 have opposite rotation directions, so that when the floating column 19 drives the rack 31 to move up and down, the first gear 28 can drive the first rotating shaft 27 to always rotate in one direction.

[0049] like Figure 2-Figure 3 , Figure 5-Figure 6, Figure 12-14 As shown, in order to further improve the screening and grinding efficiency, it also includes a turning assembly for turning the ground material on the top of the screen plate 5, and the turning assembly includes a third rotating shaft 40 rotatably connected to the side wall of the adjusting seat 38, and the outer wall of the third rotating shaft 40 is evenly provided with a flipping plate 35. The top periphery of the screen plate 5 is provided with an auxiliary ring 6 that slides with the inner wall of the shell 1. The auxiliary ring 6 is a hollow structure, and the bottom of the inner cavity of the auxiliary ring 6 is provided with an end face gear ring 33. The end of the third rotating shaft 40 away from the adjusting seat 38 extends to the inner side of the auxiliary ring 6 and is provided with a second gear 34 that meshes with the end face gear ring 33. In order to prevent the material from entering the inner side of the auxiliary ring 6, a shielding ring 53 for shielding the end face gear ring 33 and the second gear 34 is rotatably connected to the inner side of the auxiliary ring 6, and the end of the third rotating shaft 40 close to the second gear 34 passes through the shielding ring 53 and extends to the inner side of the auxiliary ring 6, and the end of the third rotating shaft 40 close to the second gear 34 is rotatably connected to the shielding ring 53.

[0050] like Figure 1-Figure 4 , Figure 6-Figure 7 , Fig.13 As shown, a semicircular opening is provided on one side of the lower end of the shell 1, and an arc-shaped material collection door 2 is hinged on one side of the opening, and a material receiving trough 8 corresponding to the sieve plate 5 is placed at the bottom of the inner cavity of the shell 1. In order to improve the space utilization of the material receiving trough 8, a paving assembly corresponding to the material receiving trough 8 is provided at the bottom of the sieve plate 5, and the paving assembly includes an annular guide rail fixed to the bottom wall of the support ring 16, and a paving plate 22 is movably connected to the annular guide rail, and the lower end of the paving plate 22 is inclined, and a through hole adapted to the upper end of the paving plate 22 is provided on the cross arm 39, and the cross arm 39 is movably connected to the outer side of the upper end of the paving plate 22 through the through hole, so that the paving plate 22 is driven to rotate around the annular guide rail when the cross arm 39 rotates. In order to allow the lower end of the paving plate 22 to extend to the inner side of the material receiving trough 8, a supporting member for lifting the material receiving trough 8 is provided at the bottom of the inner cavity of the shell 1. The lifting assembly includes a tray 7 arranged at the bottom of the inner cavity of the shell 1, and a material receiving trough 8 is placed on the top of the tray 7. A guide column 13 with a "T"-shaped cross-section is vertically arranged on the periphery of the bottom of the inner cavity of the shell 1. The guide column 13 is used for guiding and limiting the tray 7 when it is lifted or lowered. The outer periphery of the tray 7 is movably sleeved on the outside of the guide column 13, and the upper end of the guide column 13 is sleeved on the outside of the first spring 14 located on the top of the tray 7. The first spring 14 facilitates the falling and resetting of the tray 7. A lifting arm 15 corresponding to the bottom of the tray 7 is provided at the lower end of the inner side of the feeding door 2, and the top of the lifting arm 15 close to the tray 7 is an inclined surface, and the bottom of the tray 7 close to the feeding door 2 is an inclined surface, so that when the feeding door 2 is closed, the lifting arm 15 props up the tray 7 through the inclined surface, and it is configured so that when the material receiving trough 8 is propped up, the lower end of the paving plate 22 is located on the inner side of the material receiving trough 8.

[0051] In addition, if Figure 12-Figure 18As shown, as an embodiment of the present application, an extrusion pressure adjustment component is also provided, and the extrusion pressure adjustment component includes an annular adjustment plug 37 which is threadedly connected to the inner upper end of the adjustment seat 38, and a driving block 43 corresponding to the second rotating shaft 36 is provided at the bottom of the adjustment plug 37. The grinding roller 17 is a cylindrical structure, and the second rotating shaft 36 is a hollow structure. The inner side of the second rotating shaft 36 is movably connected with an inner shaft 52 along the axial direction of the second rotating shaft 36. Specifically, one end of the inner shaft 52 is connected to the inner side of the second rotating shaft 36 by a key connection. The end of the inner shaft 52 close to the adjustment seat 38 extends to the inner side of the adjustment seat 38 and is rotatably connected to a slider 45 corresponding to the driving block 43. The side surface of the driving block 43 is an inclined surface, and a linear guide rail with an inclination adapted to the inclined surface is arranged on the inclined surface. The end of the slider 45 away from the inner shaft 52 is movably connected to the linear guide rail, so that when the driving block 43 is longitudinally displaced, the inner shaft 52 is driven to move axially along the second rotating shaft 36. The first arc plate 48 is evenly arranged around the outer side of one end of the second rotating shaft 36 located inside the grinding roller 17. A third spring 23 is fixed between one end of the first curved plate 48 away from the second rotating shaft 36 and the inner wall of the grinding roller 17, and a second curved plate 50 corresponding to the first curved plate 48 is arranged on the inner periphery of the second rotating shaft 36, and each first curved plate 48 corresponds to a plurality of second curved plates 50, and a connecting rod 51 is arranged at one end of the second curved plate 50 close to the first curved plate 48, and at least two connecting rods 51 are arranged between each second curved plate 50 and the first curved plate 48, and the connecting rod 51 is arranged at one end away from the second curved plate 50. The end extends to the outside of the second rotating shaft 36 and is fixedly connected to the side wall of the first curved plate 48, and the connecting rod 51 is movably guided and matched with the second rotating shaft 36. A conical driving cone 49 is provided at the corresponding position between the outer wall of the inner shaft 52 and the second curved plate 50, and the second curved plate 50 is located outside the driving cone 49, so that when the inner shaft 52 drives the driving cone 49 to move along the axial direction of the second rotating shaft 36, the second curved plate 50 will drive the connecting rod 51 and the first curved plate 48 to move outward as a whole due to the push of the driving cone 49 to squeeze the third spring 23;

[0052] like Figure 15-17 As shown, in order to prevent the material from entering the inner side of the grinding roller 17, first sealing rings 46 with a diameter larger than the diameter of the second rotating shaft 36 are symmetrically arranged on the inner walls at both ends of the grinding roller 17, and second sealing rings 47 with a diameter larger than the inner diameter of the first sealing ring 46 are fixedly arranged at both ends of the second rotating shaft 36. The second sealing ring 47 and the first sealing ring 46 are fitted together and slidably connected to each other, so that the grinding roller 17 can be blocked even if it is displaced during rolling grinding.

[0053] In addition, if Figure 13-Figure 16As shown, in order to facilitate the cleaning of the scraper material on the outer surface of the grinding roller 17, an annular guide rail is arranged on the outer periphery of the side of the first blocking ring 46 away from the grinding roller 17, and a second cleaning scraper 42 is arranged on the top of the grinding roller 17 to slide with the outer wall of the grinding roller 17, and the two ends of the second cleaning scraper 42 extend to the side of the first blocking ring 46 and are movably guided and connected to the annular guide rail, and the side wall of the adjustment seat 38 is provided with a connecting arm 44 corresponding to the second cleaning scraper 42, and the end of the connecting arm 44 away from the adjustment seat 38 is movably sleeved on the end of the second cleaning scraper 42 close to the adjustment seat 38 , and the movable connection direction of the connecting arm 44 and the second cleaning scraper 42 is longitudinal. Specifically, a vertical linear guide rail can be set on the side wall of the end of the second cleaning scraper 42, and one end of the connecting arm 44 can be movably connected to the outside of the linear guide rail. In order to facilitate the cleaning of the end of the flip scraper 35, a first cleaning scraper 41 corresponding to the third rotating shaft 40 is fixedly arranged on the side wall of the adjustment seat 38. The first cleaning scraper 41 is located above the second rotating shaft 36 and corresponds to the end of the flip scraper 35 away from the second rotating shaft 36. The flip scraper 35 can be cleaned when it rotates past the first cleaning scraper 41;

[0054] It should be noted that a window for maintenance and inspection of the internal structure of the shell 1 is also provided on the upper side wall of the shell 1 above the screen plate 5 . The window is similar to the material taking door 2 and is provided with an arc-shaped door panel.

[0055] When in use, the reduction motor 4 is controlled to drive the upper shaft 11 to rotate. The upper shaft 11 will drive the bottom shaft 10 to rotate synchronously through the floating column 19 and the floating groove 32. The upper shaft 11 will drive the storage trough 9 to rotate synchronously through the fixed arm 26. During this period, material can be loaded through the feed port 3. The material enters the storage trough 9. Under the action of the guide slope 24, the material will move to the corresponding position of the end of the dragon blade 25. When the bottom shaft 10 rotates, it will drive the cross arm 39 to rotate. The cross arm 39 drives the roller 18 to roll on the top of the support ring 16. When the roller 18 passes through the protrusion 21, it will go uphill, so that the cross arm 39, the bottom shaft 10, the screen plate 5, the auxiliary ring 6, and the floating column 19 will rise as a whole, and the second spring 20 will be compressed. When the roller 18 goes downhill, the cross arm 3 9, the bottom shaft 10, the sieve plate 5, the auxiliary ring 6, and the floating column 19 are moved downward and reset as a whole, so that the sieve plate 5 is constantly shaking. When the floating column 19 moves up and down, it will drive the rack 31 to move up and down synchronously. Since a pair of first gears 28 arranged at the end of the first rotating shaft 27 are rotated on the first rotating shaft 27 through a one-way bearing, and the two one-way bearings rotate in opposite directions, when the floating column 19 drives the rack 31 to move in one direction, one of the first gears 28 will not rotate relative to the first rotating shaft 27. At this time, the meshing relationship between the first gear 28 and the rack 31 can realize the rotation of the first rotating shaft 27, and the other first gear 28 will rotate relative to the first rotating shaft 27. The first gear 28 does not play a role in driving the first rotating shaft 27. The effect of rotation is that when the first rotating shaft 27 drives the dragon blade 25 to rotate, the dragon blade 25 transports the material in the storage trough 9 to the distributing barrel 12, and then falls onto the screen plate 5 through the dropping trough 29. Since the storage trough 9 rotates with the upper shaft 11, the material can be relatively evenly dispersed on the screen plate 5. Similarly, when the upper shaft 11 drives the rack 31 to move in another direction, the cooperation of the two first gears 28 and the two racks 31 can make the first rotating shaft 27 always rotate in one direction, ensuring that the material can be continuously dispersed onto the screen plate 5. When the bottom shaft 10 rotates, it will drive the adjusting seat 38 to rotate, and the adjusting seat 38 drives the second rotating shaft 36 and the third rotating shaft 40 to rotate accordingly. The grinding roller 17 generates pressure with the material, and the grinding The roller 17 will rotate as a whole with the second rotating shaft 36 to achieve rolling, and when the third rotating shaft 40 is driven to rotate by the adjusting seat 38, the second gear 34 at one end thereof will cooperate with the end face gear ring 33 to achieve self-rotation, and then the third rotating shaft 40 drives the flipping plate 35 to rotate, and the flipping plate 35 continuously flips and pushes the rolled material, and the material is flipped to avoid being compacted and blocked. The up and down shaking of the screen plate 5 can improve the grinding effect and efficiency, and avoid the blockage of the screen plate 5. Moreover, since the shielding ring 53 rotates with the auxiliary ring 6, and the third rotating shaft 40 and the shielding ring 53 are rotatably connected, when the adjusting seat 38 drives the third rotating shaft 40 to rotate, the shielding ring 53 will rotate synchronously, and the shielding ring 53 can prevent the material from entering the inner side of the auxiliary ring 6.

[0056] As for the material receiving principle: opening the material receiving door 2 can place the material receiving trough 8 on the top of the tray 7, and closing the material receiving door 2 will drive the lifting arm 15 to enter the bottom of the tray 7. Under the action of the inclined surface, the tray 7 is propped up, and the first spring 14 is compressed. The tray 7 drives the material receiving trough 8 to rise, and then the lower end of the paving board 22 will enter the inner side of the material receiving trough 8. When the bottom shaft 10 rotates, it will also drive the paving board 22 to rotate through the cross arm 39. The paving board 22 spreads the material in the material receiving trough 8 to avoid local accumulation, and the lower end of the paving board 22 is inclined. The arrangement allows the peripheral materials to be spread toward the middle of the material receiving trough 8, mainly because an adjustment seat 38 is arranged in the middle of the sieve plate 5, and the materials are generally distributed on the periphery of the sieve plate 5, resulting in less materials in the middle of the material receiving trough 8. Therefore, the lower end of the paving plate 22 is arranged tilted to push the peripheral materials toward the middle when paving the peripheral materials of the material receiving trough 8, thereby improving the space utilization rate of the material receiving trough 8. Since the cross arm 39 is movably connected to the upper end of the paving plate 22, the bottom shaft 10 will not affect the height of the paving plate 22 when driving the sieve plate 5 to shake up and down;

[0057] In addition, when it is necessary to adjust the extrusion pressure of the grinding roller 17 on the material, the adjusting plug 37 is rotated, and the adjusting plug 37 is longitudinally displaced in the adjusting seat 38, and then the adjusting plug 37 drives the driving block 43 to longitudinally displace. Since the slider 45 is movably connected to the linear guide rail on the inclined surface of the driving block 43, when the driving block 43 is longitudinally displaced, the inner shaft 52 is driven by the slider 45 to axially displace along the second rotating shaft 36, and the displacement of the inner shaft 52 drives the driving cone 49 to displace, and the driving cone 49 pushes the second arc plate 50 to displace, and the second arc plate 50 drives the first arc plate 48 to displace through the connecting rod 51, and then the compression amount of the third spring 23 is changed. Since the gap between the grinding roller 17 and the screen plate 5 remains unchanged, the material thickness remains unchanged, and the pressure of the grinding roller 17 during rolling is changed, which can adapt to different needs.

[0058] When the grinding roller 17 rotates, it will be displaced relative to the second cleaning scraper 42. The outer surface of the grinding roller 17 is cleaned by the second cleaning scraper 42, and the connecting arm 44 is longitudinally movably connected to the second cleaning scraper 42. Since the two ends of the second cleaning scraper 42 are movably connected to the arc guide rail on the side of the first sealing ring 46, the extrusion force is adjusted to cause the increase in the rolling amplitude of the grinding roller 17 to change. It will not affect the fitting state of the second cleaning scraper 42 and the grinding roller 17, and cleaning can also be achieved. In addition, the first cleaning scraper 41 can clean the end of the scraper plate 35 when the scraper plate 35 rotates and passes by.

[0059] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A pharmaceutical raw material production grinding device, comprising a housing (1), characterized in that: A grinding mechanism is arranged inside the shell (1), and the grinding mechanism comprises a sieve plate (5) vertically movably connected to the inner wall of the shell (1); a vertically arranged bottom shaft (10) is rotatably arranged in the middle of the sieve plate (5); an upper shaft (11) for driving the rotation is arranged at the upper end of the bottom shaft (10); a reduction motor (4) for driving the rotation of the upper shaft (11) is arranged at the top of the shell (1); an adjustment seat (38) located at the top of the sieve plate (5) is arranged at one end of the bottom shaft (10) close to the sieve plate (5); a second rotating shaft (36) is rotatably connected to the side wall of the adjustment seat (38); a grinding roller (17) is arranged on the outer side of the second rotating shaft (36); The bottom of the sieve plate (5) is provided with a shaking mechanism for controlling the upward and downward displacement of the sieve plate (5), the shaking mechanism comprising a support ring (16) arranged on the inner wall of the lower end of the housing (1) and located below the sieve plate (5), the top of the support ring (16) is evenly provided with protrusions (21), and the two ends of the protrusions (21) are slopes that smoothly transition with the top wall of the support ring (16), the lower end of the bottom shaft (10) extends to the bottom of the sieve plate (5), and the lower end side wall of the bottom shaft (10) is provided with a transverse groove that is located at the top of the support ring (16). An arm (39), one end of the cross arm (39) away from the bottom shaft (10) is rotatably connected to a roller (18) for rolling cooperation with the top of the support ring (16), a floating column (19) in the shape of a polygonal column is fixed to the upper end of the bottom shaft (10), a floating groove (32) adapted to the floating column (19) is provided at the bottom of the upper shaft (11), the floating column (19) is movably guided and connected to the inner side of the floating groove (32), and a second spring (20) is provided between the top of the floating column (19) and the top wall of the floating groove (32); The upper end of the shell (1) is provided with a uniform feeding mechanism, and the uniform feeding mechanism includes a fixed arm (26) fixed to the side wall of the upper shaft (11), and an annular material storage trough (9) with an open top is fixed to the end of the fixed arm (26) away from the upper shaft (11), and a feeding port (3) corresponding to the material storage trough (9) is provided at the top of the shell (1), and a material distribution barrel (12) connected to the material storage trough (9) is provided at the corresponding position of the fixed arm (26) on the outer side of the material storage trough (9), and the fixed arm (26) is provided with a first rotating shaft (27) in rotation at the middle part, and one end of the first rotating shaft (27) extends to the inner side of the material distribution barrel (12) and is provided with a dragon blade (25), and the bottom of the material distribution barrel (12) is evenly provided with a material drop trough (29) along the length direction of the material distribution barrel (12). A mounting groove (30) is provided on one side of the floating column (19) close to the fixed arm (26), and racks (31) are diagonally provided on opposite sides of the inner cavity of the mounting groove (30). One end of the first rotating shaft (27) away from the dragon blade (25) extends to the inner side of the mounting groove (30) and is provided with a pair of first gears (28) corresponding to and meshing with the racks (31). A one-way bearing is fixed at the corresponding position of the outer wall of the first rotating shaft (27) and the first gear (28). The first gear (28) is fixed to the outer wall of the one-way bearing, and the two one-way bearings at the ends of the same first rotating shaft (27) rotate in opposite directions, so that when the floating column (19) drives the rack (31) to move up and down, the first gear (28) can drive the first rotating shaft (27) to rotate in one direction all the time.

2. A pharmaceutical raw material production grinding device according to claim 1, characterized in that: The inner side of the material storage trough (9) is evenly provided with material guide slopes (24) with sloped surfaces at both ends, and the gap between two adjacent material guide slopes (24) corresponds to one end of the dragon blade (25).

3. A pharmaceutical raw material production grinding device according to claim 1, characterized in that: It also includes a material turning component for turning over the ground material on the top of the screen plate (5), the material turning component includes a third rotating shaft (40) rotatably connected to the side wall of the adjustment seat (38), the outer wall of the third rotating shaft (40) is evenly provided with a flipping plate (35), the top periphery of the screen plate (5) is provided with an auxiliary ring (6) that slides with the inner wall of the shell (1), the auxiliary ring (6) is a hollow structure, and the bottom of the inner cavity of the auxiliary ring (6) is provided with an end face gear ring (33), and the end of the third rotating shaft (40) away from the adjustment seat (38) extends to the inner side of the auxiliary ring (6) and is provided with a second gear (34) that meshes with the end face gear ring (33).

4. A pharmaceutical raw material production grinding device according to claim 3, characterized in that: A shielding ring (53) for shielding the end face gear ring (33) and the second gear (34) is rotatably connected to the inner side of the auxiliary ring (6), and one end of the third rotating shaft (40) close to the second gear (34) passes through the shielding ring (53) and extends to the inner side of the auxiliary ring (6), and one end of the third rotating shaft (40) close to the second gear (34) is rotatably connected to the shielding ring (53).

5. A pharmaceutical raw material production grinding device according to claim 1, characterized in that: A semicircular opening is provided on one side of the lower end of the shell (1), and an arc-shaped material taking door (2) is hingedly connected to one side of the opening. A material receiving trough (8) corresponding to the sieve plate (5) is placed at the bottom of the inner cavity of the shell (1).

6. A pharmaceutical raw material production grinding device according to claim 5, characterized in that: A paving assembly corresponding to the material receiving trough (8) is provided at the bottom of the screen plate (5), and the paving assembly includes an annular guide rail fixed to the bottom wall of the support ring (16), and a paving plate (22) is movably connected to the annular guide rail, and the lower end of the paving plate (22) is inclined, and a through hole adapted to the upper end of the paving plate (22) is provided on the cross arm (39), and the cross arm (39) is movably sleeved on the outer side of the upper end of the paving plate (22) through the through hole, so that when the cross arm (39) rotates, the paving plate (22) is driven to rotate around the annular guide rail.

7. A pharmaceutical raw material production grinding device according to claim 6, characterized in that: The bottom of the inner cavity of the shell (1) is provided with a lifting assembly for lifting the receiving trough (8), the lifting assembly comprising a tray (7) arranged at the bottom of the inner cavity of the shell (1), the receiving trough (8) being placed on the top of the tray (7), a guide column (13) with a "T"-shaped cross section is vertically arranged on the periphery of the bottom of the inner cavity of the shell (1), the periphery of the tray (7) is movably sleeved on the outside of the guide column (13), and the upper end of the guide column (13) is sleeved on the outside with a first guide column (13) located on the top of the tray (7). A spring (14), a lifting arm (15) corresponding to the bottom of the pallet (7) is provided at the lower end of the inner side of the feeding door (2), and the top of the lifting arm (15) close to the pallet (7) is an inclined surface, and the bottom of the pallet (7) close to the feeding door (2) is an inclined surface, so that when the feeding door (2) is closed, the lifting arm (15) props up the pallet (7) through the inclined surface, and is configured so that when the receiving trough (8) is propped up, the lower end of the paving plate (22) is located on the inner side of the receiving trough (8).

8. A pharmaceutical raw material production grinding device according to claim 1, characterized in that: The extrusion pressure regulating assembly includes an annular regulating plug (37) which is threadedly connected to the upper inner end of the regulating seat (38); a driving block (43) corresponding to the second rotating shaft (36) is arranged at the bottom of the regulating plug (37); the grinding roller (17) is a cylindrical structure; the second rotating shaft (36) is a hollow structure; an inner shaft (52) is movably connected to the inner side of the second rotating shaft (36) along the axial direction of the second rotating shaft (36); an end of the inner shaft (52) close to the regulating seat (38) extends to the adjusting seat (38); A slider (45) corresponding to the driving block (43) is rotatably connected to the inner side of the joint seat (38); the side surface of the driving block (43) is an inclined surface, and a linear guide rail with an inclination matching the inclined surface is arranged on the inclined surface; one end of the slider (45) away from the inner shaft (52) is movably connected to the linear guide rail, so that when the driving block (43) is longitudinally displaced, the inner shaft (52) is driven to move axially along the second rotating shaft (36); the outer side of one end of the second rotating shaft (36) located inside the grinding roller (17) is evenly surrounded by a first arc plate (4 8), a third spring (23) is fixed between one end of the first arc plate (48) away from the second rotating shaft (36) and the inner wall of the grinding roller (17), a second arc plate (50) corresponding to the first arc plate (48) is arranged on the inner periphery of the second rotating shaft (36), a connecting rod (51) is arranged on one end of the second arc plate (50) close to the first arc plate (48), and one end of the connecting rod (51) away from the second arc plate (50) extends to the outer side of the second rotating shaft (36) and is connected to the side wall of the first arc plate (48). The inner shaft (52) and the second arc plate (50) are fixedly connected, and the connecting rod (51) and the second rotating shaft (36) are movably guided and matched, and a conical driving cone (49) is provided at the corresponding position of the outer wall of the inner shaft (52) and the second arc plate (50), and the second arc plate (50) is located outside the driving cone (49), so that when the inner shaft (52) drives the driving cone (49) to move along the axial direction of the second rotating shaft (36), the second arc plate (50) will be driven by the driving cone (49) to drive the connecting rod (51) and the first arc plate (48) to move outward as a whole to squeeze the third spring (23); The inner walls at both ends of the grinding roller (17) are symmetrically provided with first sealing rings (46) having a diameter greater than the diameter of the second rotating shaft (36); the two ends of the second rotating shaft (36) are respectively fixedly provided with second sealing rings (47) having a diameter greater than the inner diameter of the first sealing ring (46); the second sealing ring (47) and the first sealing ring (46) are fitted together and slidably connected.

9. A pharmaceutical raw material production grinding device according to claim 8, characterized in that: An annular guide rail is arranged on the periphery of one side of the first sealing ring (46) away from the grinding roller (17); a second cleaning scraper (42) is arranged on the top of the grinding roller (17) and is slidably matched with the outer wall of the grinding roller (17); and both ends of the second cleaning scraper (42) extend to the side of the first sealing ring (46) and are movably guided and connected to the annular guide rail; a connecting arm (44) corresponding to the second cleaning scraper (42) is arranged on the side wall of the adjustment seat (38); and one end of the connecting arm (44) away from the adjustment seat (38) is movably sleeved on one end of the second cleaning scraper (42) close to the adjustment seat (38); and the movable connection direction between the connecting arm (44) and the second cleaning scraper (42) is longitudinal.

10. A pharmaceutical raw material production grinding device according to claim 3, characterized in that: A first cleaning scraper (41) corresponding to the third rotating shaft (40) is fixedly provided on the side wall of the adjustment seat (38); the first cleaning scraper (41) is located above the second rotating shaft (36) and corresponds to an end of the flipping scraper (35) away from the second rotating shaft (36).

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