CN217569027U - Water-jet milling device - Google Patents

Abstract

The utility model relates to a be exclusively used in with the medicine make special physics or take the technical field of the device or the method of form, especially relate to a water-jet method grinder. The water-in-flight grinding device comprises a rack, wherein an outer barrel is arranged on the rack, an inner barrel is arranged in the outer barrel, the inner barrel and the outer barrel can rotate relatively, the outer barrel is used for containing liquid, a crushing head is rotatably arranged in a cavity of the inner barrel, an annular space is formed between the inner barrel and the outer barrel, grinding balls are contained in the annular space, and a through hole is formed in the wall of the inner barrel; the water-jet mill also comprises a barrel rotary driving mechanism for driving the inner barrel and/or the outer barrel to rotate, and a crushing head driving mechanism for driving the crushing head to rotate, wherein the outer wall of the inner barrel and/or the inner wall of the outer barrel are/is provided with a stirring structure. The utility model discloses a water-jet mill device is when carrying out the breakage to the medicinal material, is difficult for producing the dust, has reduced the pollution to the environment, need not purchase crushing equipment in addition moreover, the cost is reduced.

Description

Water-jet milling device

Technical Field

The utility model relates to a be exclusively used in with the medicine make special physics or take the technical field of the device or the method of form, especially relate to a water-jet mill device.

Background

The water-flying method is one of the commonly used grinding methods of traditional Chinese medicines, and the most traditional water-flying method is that the medicinal materials are ground into coarse powder before water-flying, then the coarse powder is put in a mortar and ground with water, the thinner medicinal materials float upwards to form suspension, the suspension on the upper part is taken, and extremely fine medicinal powder is obtained after the water in the suspension is completely evaporated; the coarse medicinal materials are settled at the lower part and continuously ground, and the operation is repeated, so that the medicinal materials are ground into powder with the required granularity. However, the traditional water-flying method of grinding by using a mortar is not suitable for large-scale drug production.

At present, modern water-jet milling equipment mainly comprises a ball mill and a colloid mill, when the ball mill is used for grinding medicinal materials, the medicinal materials are firstly ground, then water is added to form suspension, and the required medicinal material powder can be obtained after evaporation; or adding the medicinal materials and water into a ball mill for grinding. When the colloid mill is used, the medicinal materials and water are added into the colloid mill together for grinding. In order to facilitate the water-jet milling of the medicinal materials, the operation and the taking out of the suspension, technical personnel make many designs and improvements, and for example, a Chinese patent application with the application publication number of CN113786649A provides a Chinese medicinal water-jet device for improving the water-jet efficiency.

However, in actual use, no matter the grinding mode is a ball mill, a colloid mill or other grinding modes, before the medicinal materials are ground by water, a crusher is generally required to crush large medicinal materials into small medicinal materials, and then the small medicinal materials are added into the ball mill, the colloid mill or other grinding equipment. However, this also brings with it some disadvantages: the dust that the breaker produced when broken the medicinal material easily produces the environmental pollution, and the breakage of medicinal material all need be equipped with corresponding equipment with grinding moreover, and the cost is higher, still need transport the medicinal material after the breakage to grinding apparatus department during the use, has increased a process, and overall efficiency is also lower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a water-jet milling device for solve and use current equipment to easily cause pollution, technical problem with high costs to the environment when carrying out water flight to the medicinal material.

The utility model discloses a water-jet mill's technical scheme is:

the water-jet milling device comprises a rack, an outer barrel is arranged on the rack, the water-jet milling device also comprises an inner barrel positioned in the outer barrel, the inner barrel is supported on the outer barrel or on the rack, the top of the inner barrel is provided with an opening for placing medicinal materials, the inner barrel and the outer barrel can rotate relatively, the outer barrel is used for containing liquid, a crushing head is rotatably arranged in a cavity of the inner barrel and used for crushing the medicinal materials in the inner barrel, and a through hole for the crushed medicinal materials to pass through to enter an annular space between the inner barrel and the outer barrel is arranged on the barrel wall of the inner barrel; the annular space between the inner cylinder and the outer cylinder contains grinding balls; the water-jet milling device also comprises a barrel rotary driving mechanism for driving the inner barrel and/or the outer barrel to rotate so as to enable the inner barrel and the outer barrel to rotate relatively, and a crushing head driving mechanism for driving the crushing head to rotate, wherein a stirring structure is arranged on the outer wall of the inner barrel and/or the inner wall of the outer barrel and is used for stirring grinding balls to grind medicinal materials in the annular space when the inner barrel and the outer barrel rotate relatively.

Has the advantages that: through-hole intercommunication annular space and inner tube, make all be full of liquid when using in annular space and the inner tube, broken head is when carrying out the breakage to the medicinal material, because the medicinal material is in liquid, be difficult for producing the dust, the pollution to the environment has been reduced, medicinal material and liquid after the breakage can get into in the annular space, stirring structure stirs the ball in order to grind when inner tube and urceolus rotate relatively, coarse grain medicinal material deposit is in the annular space bottom, the fine particle divides the medicinal material suspension to form the suspension in liquid, collect the medicinal material in the suspension and can obtain required medicinal material powder. The utility model discloses a water-flying method grinder will be broken, grind integrated together for device overall structure is compact, and need not purchase crushing equipment in addition, the cost is reduced.

Further, the agitating structure is an agitating protrusion which is convexly arranged.

Has the beneficial effects that: the stirring structure is a stirring bulge arranged in a protruding mode, the structure is simple, the processing is convenient, and the stirring effect on the grinding ball is good.

Further, the stirring protrusions are spiral protrusions spirally rising along the axis of the inner cylinder and/or the outer cylinder.

Has the beneficial effects that: the stirring bulge is a spiral bulge, the spiral bulge can drive the grinding balls to do horizontal projectile motion when the inner barrel rotates, and the grinding balls can grind medicinal materials more fully.

Further, the outer cylinder is fixedly arranged on the rack, the cylinder body rotation driving mechanism is used for driving the inner cylinder to rotate, the rotating axis of the inner cylinder and the rotating axis of the crushing head are coaxially arranged, and the rotation output direction of the cylinder body rotation driving mechanism is opposite to the rotation output direction of the crushing head driving mechanism.

Has the beneficial effects that: barrel rotary driving mechanism drive inner tube gyrates, and medicinal material and liquid after the breakage can get into the annular space smoothly under the effect of centrifugal force, and when broken head carried out the breakage to the medicinal material, the rotation direction of inner tube was opposite with the rotation direction of broken head, and the medicinal material that is located the inner tube bottom was facing to broken head motion under the drive of inner tube, and broken head is bigger to the impact force of medicinal material, and is better to the crushing effect of medicinal material.

Furthermore, the crushing head is positioned at the bottom of the inner cylinder, the cylinder body rotary driving mechanism and the crushing head driving mechanism are both positioned below the inner cylinder, and a rotary output end of the crushing head driving mechanism is provided with a driving shaft; the lower end of the inner cylinder penetrates through the outer cylinder downwards, the driving shaft penetrates into the inner cylinder upwards and is connected with the crushing head, or the crushing head driving mechanism comprises a driving sleeve body which penetrates through the outer cylinder upwards and is connected with the inner cylinder, and the driving shaft penetrates through the driving sleeve body and the inner cylinder upwards in sequence and then extends into the inner cylinder and is connected with the crushing head.

Has the advantages that: by adopting the structure, the water-in-flight grinding device is more compact in overall structure, smaller in occupied space and convenient to install and arrange.

Furthermore, the upper part of the outer cylinder is provided with an overflow hole for overflowing the ground medicinal powder and liquid.

Has the advantages that: the overflow hole is arranged to collect the overflowed medicinal powder and liquid.

Furthermore, a sealing shaft sleeve is arranged at the top of an annular space formed by the outer cylinder and the inner cylinder and is positioned above the overflow hole.

Has the advantages that: the setting of sealed axle sleeve not only can avoid the spill of suspension in the annular space, can stabilize the inner tube moreover, rocks when effectively avoiding the inner tube to rotate, and the device operation is reliable and stable more.

Furthermore, the water-jet milling device also comprises a sedimentation container connected with the overflow hole, and the sedimentation container is used for collecting the overflowing medicinal materials and liquid.

Has the advantages that: the medicinal powder is precipitated and collected in the precipitation container, so that the preparation method is more convenient.

Furthermore, the sedimentation container is provided with at least two mutually communicated stages, and the next-stage sedimentation container is connected with the upper part of the previous-stage sedimentation container.

Has the advantages that: the required medicinal powder is collected through at least two stages of precipitation containers, the collected medicinal powder is more fully precipitated, and the waste of medicinal materials is reduced.

Further, the last-stage sedimentation container is provided with a circulating pipeline, and the circulating pipeline is used for conveying the supernatant in the last-stage sedimentation container to the outer barrel.

Has the beneficial effects that: the arrangement of the circulating pipeline can enable the liquid to be recycled, and resources are saved.

Drawings

FIG. 1 is a schematic view of the whole of an embodiment 1 of a water-jet milling apparatus according to the present invention;

FIG. 2 is a sectional view of an inner cylinder and an outer cylinder in the embodiment 1 of the water-jet milling apparatus of the present invention.

Description of reference numerals: 1. an outer cylinder; 2. an inner barrel; 3. a frame; 4. a main cylinder; 5. a driving end; 6. an annular space; 7. grinding balls; 8. a crushing head; 9. a through hole; 10. a spiral protrusion; 11. an inner cylinder driving motor; 12. a crushing head drive motor; 13. a drive gear; 14. a transmission gear; 15. crushing the rotating shaft; 16. a flail knife; 17. a first seal ring; 18. a second seal ring; 19. sealing the shaft sleeve; 20. a primary sedimentation container; 21. a secondary sedimentation container; 22. an overflow hole; 23. an overflow valve; 24. an overflow line; 25. an extraction line; 26. a first water pump; 27. a circulation line; 28. a second water pump; 29. a drive end bearing; 30. and a rotating shaft bearing.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that, in the embodiments of the present invention, relational terms such as "first" and "second", and the like, which may be present in the embodiments, are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that such actual relationships or sequences between the entities or operations exist. Also, terms such as "comprises," "comprising," or any other variation thereof, which may be present, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the possible occurrence of the phrases "comprising a limited element of '8230', \8230;" 8230; "etc. does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

In the description of the present invention, unless otherwise explicitly specified or limited, terms such as "mounted," "connected," and "connected" that may be present are to be construed broadly, e.g., as a fixed connection, a releasable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art through specific situations.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "provided" should be understood broadly, for example, the object provided may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be detachable or non-detachable. The specific meaning of the above terms in the present invention can be understood by those skilled in the art through specific situations.

The present invention will be described in further detail with reference to examples.

The utility model discloses in the embodiment 1 of the water-jet milling device that provides:

as shown in fig. 1 and 2, the water-jet milling device comprises an outer cylinder 1 and an inner cylinder 2 arranged in the outer cylinder 1, wherein the outer cylinder 1 is a cylinder with an open upper part and is fixed on a frame 3, the inner cylinder 2 comprises a cylindrical main cylinder 4 with an open upper part and a driving end 5 positioned at the lower side of the main cylinder 4, the inner cylinder 2 is rotatably assembled on the frame 3 through the driving end 5, the axis of the inner cylinder 2 is collinear with the axis of the outer cylinder 1, an annular space 6 is formed between the inner cylinder 2 and the outer cylinder 1, and a certain number of milling balls 7 are arranged in the annular space 6. Rotate in the cavity of inner tube 2 and arrange broken head 8, broken head 8 is located the lower part of the cavity of inner tube 2, after throwing into inner tube 2 with the medicinal material, pivoted broken head 8 can carry out the breakage to the medicinal material.

The wall of the inner cylinder 2 is provided with a plurality of through holes 9, and the through holes 9 are discretely arranged, and in this embodiment, the diameter of each through hole 9 is 2mm. Before carrying out the breakage to the medicinal material, need add liquid to urceolus 1, liquid can get into annular space 6 between urceolus 1 and the inner tube 2 through-hole 9, and in this embodiment, liquid is the clear water, and bold medicinal material is broken into the medicinal material of fritter by broken head 8, and the medicinal material that the size is less than 2mm can follow liquid entering annular space 6.

The outer wall of the inner barrel 2 is provided with a stirring structure which is a stirring bulge convexly arranged on the outer wall of the inner barrel 2, in particular to a spiral bulge 10 spirally rising along the axis of the inner barrel 2, and the spiral bulge 10 is provided with a plurality of spiral bulges 10 which are mutually staggered. Correspondingly, a plurality of spiral protrusions 10 which are arranged in a staggered mode are also arranged on the inner wall of the outer barrel 1, when the inner barrel 2 rotates, the spiral protrusions 10 on the outer wall of the inner barrel 2 and the spiral protrusions 10 on the inner wall of the outer barrel 1 can be matched with the grinding balls 7 in the stirring annular space 6, and therefore the grinding balls 7 grind the medicinal materials flowing into the annular space 6.

The water-jet milling device also comprises a cylinder body rotary driving mechanism for driving the inner cylinder 2 to rotate and a crushing head driving mechanism for driving the crushing head 8 to rotate. In this embodiment, the shell rotary drive mechanism comprises an inner shell drive motor 11, the crushing head drive mechanism comprises a crushing head drive motor 12, and both the inner shell drive motor 11 and the crushing head drive motor 12 are located at the lower side of the outer shell 1 and fixed on the frame 3. The driving end 5 of the inner cylinder 2 is integrally cylindrical and extends out of the outer cylinder 1, an opening for the driving end 5 to extend out is correspondingly arranged on the bottom wall of the outer cylinder 1, the driving end 5 is rotatably assembled on the rack 3 through a driving end bearing 29, so that the inner cylinder 2 is rotatably assembled on the rack 3, and in order to support the inner cylinder 2, the driving end bearing 29 is preferably a thrust bearing. The axis of the rotating shaft of the inner cylinder driving motor 11 extends up and down, and a driving gear 13 is fixed on the rotating shaft of the inner cylinder driving motor 11, correspondingly, a transmission gear 14 in transmission fit with the driving gear 13 is arranged on the driving end 5, and when the rotating shaft of the inner cylinder driving motor 11 rotates, the driving gear 13 is driven to rotate, and then the transmission gear 14 is driven to rotate so as to realize the rotation of the inner cylinder 2.

In addition, a through hole which extends up and down along the axial direction of the driving end 5 is arranged in the driving end 5, the through hole is communicated with the main cylinder 4 and the outside, a rotating shaft of the crushing head driving motor 12 penetrates through the through hole and extends into the inner cylinder 2 to be connected with the crushing head 8, the rotating shaft of the crushing head driving motor 12 forms a driving shaft for driving the crushing head 8 to rotate, and the rotating shaft of the crushing head driving motor 12 is in rotating fit with the inner wall of the driving end 5 through a rotating shaft bearing 30. In this embodiment, the crushing head 8 includes a crushing rotating shaft 15 fixed to the rotating shaft of the crushing head driving motor 12 and a plurality of flail knives 16 fixed to the crushing rotating shaft 15, and the crushing head driving motor 12 drives the crushing rotating shaft 15 to rotate through the rotating shaft thereof, so as to drive the flail knives 16 to rotate to crush the medicinal materials. It should be emphasized that, in this embodiment, the rotation direction of the rotation shaft of the driving motor 12 of the crushing head is opposite to the rotation direction of the rotation shaft of the driving motor 11 of the inner cylinder, when the crushing head 8 crushes the medicinal materials, the rotation direction of the inner cylinder 2 is opposite to the rotation direction of the crushing head 8, the medicinal materials at the bottom of the inner cylinder 2 move towards the crushing head 8 under the driving of the inner cylinder 2, the impact force of the crushing head 8 on the medicinal materials is larger, and the crushing effect on the medicinal materials is better.

The water-in-flight method grinding device further comprises a first-level sedimentation container 20 and a second-level sedimentation container 21, the first-level sedimentation container 20 and the second-level sedimentation container 21 are cylindrical containers, an overflow hole 22 and an overflow valve 23 for controlling the opening and closing of the overflow hole 22 are arranged on the upper portion of the wall of the outer cylinder 1, an overflow pipeline 24 is arranged on the overflow valve 23, the medicinal materials are ground by the grinding ball 7, part of the medicinal materials with small fine particles can be suspended in liquid to form suspension, the rest of the medicinal materials with coarse particles can be deposited at the bottom of the liquid to be continuously ground, after the overflow valve 23 is opened, the suspension enters the first-level sedimentation container 20 through the overflow pipeline 24 to be deposited. An extraction pipeline 25 is arranged between the primary sedimentation container 20 and the secondary sedimentation container 21, a first water pump 26 is arranged on the extraction pipeline 25, and after the suspension is stood and sedimented in the primary sedimentation container 20 for a period of time, the first water pump 26 works to convey the supernatant in the primary sedimentation container 20 to the secondary sedimentation container 21 through the extraction pipeline 25.

More specifically, a circulation pipeline 27 is arranged between the inner barrel 2 and the secondary sedimentation container 21, a second water pump 28 is arranged on a loop of the circulation pipeline 27, and after the solution in the secondary sedimentation container 21 is settled for a period of time, the second water pump 28 can work to convey the supernatant in the primary sedimentation container 20 to the outer barrel 1 through the circulation pipeline 27 so as to recycle the liquid and reduce the waste of resources.

In order to avoid the liquid leakage phenomenon, a first sealing ring 17 is arranged between the outer peripheral surface of the driving end 5 and the bottom wall of the outer cylinder 1, and a second sealing ring 18 is arranged between the rotating shaft of the crushing head driving motor 12 and the driving end 5. In addition, be fixed with sealed axle sleeve 19 on the outer wall of inner tube 2 and sealed axle sleeve 19 is in the top of spill hole 22, and the inner peripheral surface of sealed axle sleeve 19 is fixed with the outer wall of inner tube 2, and the outer peripheral face laminates with the inner wall of urceolus 1, and sealed axle sleeve 19 not only can reduce the spill of liquid in the annular space 6, can stabilize inner tube 2 moreover, effectively avoids rocking when inner tube 2 rotates, and the device operation is more reliable and more stable.

It should be noted that the medicinal powder obtained by the water-jet method can be obtained by collecting, drying and grating the precipitates in the first-stage precipitation container 20 and the second-stage precipitation container 21.

The utility model discloses a water-jet method grinder's operating procedure is:

1) The medicinal materials are put into the inner barrel 2 and liquid is added, and the liquid level of the liquid is higher than the position of the overflow valve 23.

2) Start inner tube driving motor 11 and broken first driving motor 12, broken first 8 medicinal materials that become the fritter with the bold medicinal material breakage, the medicinal material that the size is less than 2mm passes through-hole 9 and gets into annular space 6 between inner tube 2 and the urceolus 1, the medicinal material that gets into in the annular space 6 passes through between grinding ball 7 and the grinding ball 7, between the outer wall of grinding ball 7 and inner tube 2, mutual collision between the inner wall of grinding ball 7 and urceolus 1 grinds.

3) The overflow valve 23 is opened and the suspension in the annular space 6 will pass through the overflow line 24 into the primary settling vessel 20.

4) After the suspension in the primary sedimentation container 20 has settled for a while, the first suction pump 26 is turned on, and the supernatant in the primary sedimentation container 20 is introduced into the secondary sedimentation container 21 through the suction line 25.

5) After the solution in the secondary sedimentation container 21 is settled for a period of time, the second water pump 28 works to convey the supernatant in the primary sedimentation container 20 to the outer cylinder 1 through the circulation pipeline 27 so that the liquid can be recycled.

6) Collecting the precipitate in the first precipitation container 20 and the second precipitation container 21, drying, and mincing to obtain the desired medicinal powder.

The utility model discloses in embodiment 2 of the water-jet method grinder that provides, different from embodiment 1, in this embodiment, the drive end of inner tube is fixed in the frame, the empty cover of driving gear is outside and fix on the diapire of urceolus, the urceolus rotates the assembly in the frame, barrel rotary drive mechanism includes urceolus driving motor, be fixed with in urceolus driving motor's the pivot with drive gear transmission complex drive gear, start urceolus driving motor, drive gear drives drive gear and rotates and then drive the urceolus and rotate, when the urceolus rotates, the spiral arch on the inner tube outer wall and the spiral arch on the urceolus inner wall can cooperate the grinding ball in the stirring annular space, so that the medicinal material of grinding ball convection current income annular space grinds. Of course, in other embodiments, when only the outer cylinder of the inner cylinder and the outer cylinder can rotate, the spiral protrusion can be only arranged on the inner wall of the outer cylinder. Or in other embodiments, the outer cylinder also includes a driving end extending downward, the outer cylinder is rotatably mounted on the frame through the driving end, the arrangement of the mechanism for driving the outer cylinder to rotate is similar to that of the mechanism for driving the inner cylinder to rotate in embodiment 1, and details are omitted, and at this time, both the inner cylinder and the outer cylinder can rotate.

The utility model discloses in embodiment 3 of the water-jet milling device that provides, the difference with embodiment 1 is, the inner tube only includes the main barrel, crushing head actuating mechanism includes crushing head driving motor and upwards runs through the urceolus and links to each other with the main barrel drive cover body, the pivot of crushing head driving motor upwards passes the drive cover body in proper order, stretch into the main barrel behind the main barrel and link to each other with the crushing head, be fixed with drive gear on the drive cover body, be fixed with in inner tube driving motor's the pivot with drive gear transmission complex drive gear, when inner tube driving motor's pivot rotated, drive gear drives drive gear and rotates, and then drive the drive cover body and rotate, the inner tube that links to each other with the drive cover body also rotates thereupon.

The utility model discloses in embodiment 4 of the water-jet milling device that provides, different from embodiment 1 is that, in this embodiment, only set up the spiral arch on the outer wall of inner tube, stir the grinding ball through the spiral arch on the outer wall of inner tube when the inner tube rotates to grind the medicinal material in the annular space.

The utility model discloses in embodiment 5 of the water-jet mill that provides, with embodiment 1 difference be, the helical structure on the outer wall of inner tube is spiral groove, and spiral groove can hold the ball, and when the inner tube rotated, the part ball can get into in order to drive the ball activity in the annular space in spiral groove, realized the grinding to the medicinal material. Or in other embodiments, the stirring structure can also be a stirring plate body detachably fixed on the outer wall of the inner cylinder, and when the inner cylinder rotates, the stirring plate body drives the grinding balls to move so as to grind the medicinal materials.

The utility model discloses in embodiment 6 of the water-jet method grinder that provides, it is different with embodiment 1 that the stirring arch is hemispherical arch, and hemispherical arch on the outer wall of inner tube and hemispherical arch on the inner wall of urceolus all are provided with a plurality ofly and discrete arranging. Or in other embodiments, the agitating protrusions may be in the shape of elongated protrusions, arcuate protrusions, or the like.

The utility model discloses in embodiment 7 of the water-jet milling device that provides, different from embodiment 1, the crushing head is including fixing the epaxial spherical base member in crushing head driving motor's pivot, still includes the spike tooth of discrete arranging on the spherical base member, and when crushing head driving motor's pivot was rotated, spherical base member rotated and was driven the spike tooth and rotated to the realization is to the breakage of medicinal material.

The utility model discloses in embodiment 8 of the water-jet milling device that provides, different from embodiment 1, water-jet milling device does not include the sedimentation vessel, in this embodiment, uses the container to collect the suspension in the annular space, treats to obtain required medicinal material powder after the suspension evaporates.

The utility model discloses in embodiment 9 of the water-jet milling device that provides, the difference with embodiment 1 is that inner tube driving motor is in the downside of urceolus, inner tube driving motor passes through drive gear and drives drive gear and rotate to the drive inner tube rotates, in this embodiment, the drive end is solid construction, crushing head driving motor is in the upside of urceolus, crushing head driving motor's pivot stretches into the inner tube downwards, and be fixed with the crushing head in the pivot, crushing head driving motor drive crushing head rotates in order to carry out the breakage to the medicinal material.

The utility model discloses in embodiment 10 of the water-jet milling device that provides, it is different from embodiment 1 that the direction of rotation of the pivot of crushing head driving motor is the same with the pivot of inner tube driving motor.

The utility model discloses in embodiment 11 of the water-jet milling device that provides, different from embodiment 1 is, no longer set up the overflow hole, grind a period of back, the liquid through pump suction top is to one-level precipitation vessel side by side.

The utility model discloses in embodiment 12 of the water-in-flight method grinder that provides, different from embodiment 1, the sedimentation container only includes one-level sedimentation container, and the circulation loop sets up between one-level sedimentation container and urceolus. Or in other embodiments, the sedimentation container can be provided with three stages, four stages or more stages, the sedimentation containers at all stages are communicated with each other, and the circulating pipeline is used for conveying the supernatant in the sedimentation container at the last stage into the outer cylinder.

The utility model provides an embodiment 13 of water-jet milling device, different from embodiment 1, the drive end of inner tube passes through the drive end bearing and rotates the assembly on the diapire of urceolus, and the inner tube supports on the urceolus.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, the scope of the present invention is defined by the appended claims, and all the structural changes equivalent to the content of the description and the attached drawings should be included in the same way.

Claims (10)

1. The water-jet milling device is characterized by comprising a rack (3), wherein an outer barrel (1) is arranged on the rack (3), the water-jet milling device further comprises an inner barrel (2) positioned in the outer barrel (1), the inner barrel (2) is supported on the outer barrel (1) or on the rack (3), an opening for placing medicinal materials is formed in the top of the inner barrel (2), the inner barrel (2) and the outer barrel (1) can rotate relatively, the outer barrel (1) is used for containing liquid, a crushing head (8) is rotatably arranged in a cavity of the inner barrel (2), the crushing head (8) is used for crushing the medicinal materials in the inner barrel (2), and a through hole (9) for the crushed medicinal materials to enter an annular space (6) between the inner barrel (2) and the outer barrel (1) through is formed in the wall of the inner barrel (2); the annular space (6) between the inner cylinder (2) and the outer cylinder (1) contains grinding balls (7); the water-in-flight grinding device further comprises a barrel rotary driving mechanism for driving the inner barrel (2) and/or the outer barrel (1) to rotate so as to enable the inner barrel (2) and the outer barrel (1) to rotate relatively, and a crushing head driving mechanism for driving the crushing head (8) to rotate, wherein a stirring structure is arranged on the outer wall of the inner barrel (2) and/or the inner wall of the outer barrel (1), and is used for stirring grinding balls (7) to grind medicinal materials in the annular space (6) when the inner barrel (2) and the outer barrel (1) rotate relatively.

2. The levitating abrasive device of claim 1 wherein the agitating structure is a convexly disposed agitating lobe.

3. The levitating grinding apparatus of claim 2, wherein the agitating protrusions are spiral protrusions (10) that spirally rise along the axis of the inner drum (2) and/or the outer drum (1).

4. A water-grinding apparatus as claimed in any one of claims 1 to 3, characterised in that the outer drum (1) is secured to the machine frame (3), that the drum slewing drive is arranged to drive the inner drum (2) to slew, that the axis of rotation of the inner drum (2) and the axis of rotation of the crushing head (8) are arranged coaxially, and that the direction of the slewing output of the drum slewing drive is opposite to the direction of the slewing output of the crushing head drive.

5. A water-grinding apparatus as claimed in claim 4, wherein the crushing head (8) is located at the bottom of the inner drum (2), the drum slewing drive mechanism and the crushing head drive mechanism are both located below the inner drum (2), and a drive shaft is arranged on the slewing output end of the crushing head drive mechanism; the lower extreme of inner tube (2) runs through urceolus (1) downwards, the drive shaft upwards penetrates in inner tube (2) and links to each other with broken head (8), perhaps, broken head actuating mechanism is including upwards running through urceolus (1) and the drive cover body that links to each other with inner tube (2), the drive shaft upwards passes drive cover body, inner tube (2) back in proper order and stretches into in inner tube (2) and links to each other with broken head (8).

6. The levigating grinding apparatus according to any one of claims 1-3, wherein the outer tub (1) is provided at an upper portion thereof with an overflow hole (22) through which the ground medicinal powder and liquid are overflowed.

7. A water-in-flight grinding apparatus as claimed in claim 6, characterised in that the top of the annular space (6) formed by the outer and inner barrels (1, 2) is provided with a sealing bush (19), the sealing bush (19) being located above the overflow aperture (22).

8. A levitating mill according to claim 6, further comprising a settling container connected to the overflow aperture (22) for collecting spilled medicinal material and liquid.

9. The water-in-flight grinding device as claimed in claim 8, wherein the settling vessel is provided with at least two stages communicating with each other, and the settling vessel of the next stage is connected to the upper part of the settling vessel of the previous stage.

10. A mill apparatus according to claim 9, characterised in that the final settling vessel is provided with a circulation line (27), the circulation line (27) being adapted to convey supernatant from the final settling vessel to the outer drum (1).

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