CN115253945A - Automatic liquid marble preparation device and method based on rotary positioning structure - Google Patents
Automatic liquid marble preparation device and method based on rotary positioning structure Download PDFInfo
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- CN115253945A CN115253945A CN202210859884.0A CN202210859884A CN115253945A CN 115253945 A CN115253945 A CN 115253945A CN 202210859884 A CN202210859884 A CN 202210859884A CN 115253945 A CN115253945 A CN 115253945A
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- 239000007788 liquid Substances 0.000 title claims abstract description 106
- 239000004579 marble Substances 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000000843 powder Substances 0.000 claims abstract description 52
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims description 38
- 239000007924 injection Substances 0.000 claims description 38
- 238000009434 installation Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000011084 recovery Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000005507 spraying Methods 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 23
- 230000010355 oscillation Effects 0.000 description 11
- 238000003860 storage Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000010410 dusting Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 1
- 238000012864 cross contamination Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0093—Microreactors, e.g. miniaturised or microfabricated reactors
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Abstract
The invention discloses a device and a method for automatically preparing liquid marbles based on a rotary positioning structure.A porous plate clamp is arranged on the rotary structure, so that a porous plate used as a carrier can be conveyed to different stations to realize the dropwise addition of naked liquid drops and the spraying of hydrophobic powder; the loading of the porous plate on the porous plate clamp or the separation of the porous plate from the porous plate clamp are realized through the porous plate loading and unloading structure; the vibration of the liquid marble in the hole of the porous plate is completed through the vibration part in the porous plate clamp, so that the surface powder is completely wrapped. Compared with the prior art, the automatic preparation method of the liquid marble preliminarily realizes the automatic preparation of the liquid marble, simplifies the production flow and improves the preparation efficiency.
Description
Technical Field
The invention relates to the technical field of liquid marble preparation, in particular to a device and a method for automatically preparing liquid marbles based on a rotary positioning structure.
Background
The liquid marble is a micro-reactor formed by wrapping liquid drops with hydrophobic particles, under the wrapping of the hydrophobic particles, the liquid in the marble is separated from the external environment, so that cross contamination can be avoided, a relatively stable form can be kept for a long time, and the liquid marble has the characteristics of small friction force, small pollution, convenience in transfer and the like, and has wide application prospects in the aspects of biology, chemistry and medicine.
At present, the preparation methods of liquid marbles are various, the traditional preparation method of liquid marbles is mainly based on manual operation, and powder is adhered to liquid drops through manual oscillation, however, in the traditional preparation method, the manual oscillation is difficult to control accurately, the obtained liquid marbles have good and uneven service performance, the manual preparation time is high, and high yield is difficult to realize.
Thus, there is a need for improvements and improvements in the art.
Disclosure of Invention
The invention mainly aims to provide a device and a method for automatically preparing liquid marbles based on a rotary positioning structure and a porous plate used as a carrier, and aims to solve the problems of low efficiency and low automation degree of liquid marble preparation in the prior art.
In order to achieve the above object, the present invention provides an automatic liquid marble preparing apparatus based on a rotary positioning structure, comprising:
the rotating structure is provided with a rotating platform, the rotating platform is provided with porous plate clamps at intervals along the circumferential direction of the rotating platform, the porous plate clamps are provided with clamping parts for being coupled with porous plates, the porous plates are used for loading liquid marbles, and the rotating platform can rotate around the axis of the rotating platform to convey the porous plates for liquid injection and powder injection;
the perforated plate loading and unloading structure is used for loading the perforated plate on the perforated plate loading and unloading structure on the perforated plate clamp or separating the perforated plate from the perforated plate clamp on the perforated plate loading and unloading structure;
still be equipped with on the perforated plate anchor clamps with the oscillating part that the clamping part is connected, oscillating part is used for left and right reciprocating motion the clamping part is in order to vibrate the liquid marble in the perforated plate hole site, realizes that the surperficial powder wraps up completely to liquid marble.
Optionally, the perforated plate loading and unloading structure includes a support seat and a connecting rod connected to the top of the support seat, the connecting rod can rotate around the top of the support seat in a vertical plane, a U-shaped clamping portion is arranged at the tail end of the connecting rod, the clamping portion is used for clamping the perforated plate in the clamping portion on the perforated plate fixture or separating the perforated plate from the perforated plate fixture to the clamping portion, and the perforated plate loading and unloading structure is further provided with a horizontal holding mechanism for holding the perforated plate in the clamping portion in a horizontal state when the connecting rod rotates.
Optionally, the connecting rods are multiple and distributed in a spoke shape in the vertical plane, and the connecting rods can rotate forwards and backwards to respectively realize loading or separation of the porous plates.
Optionally, the perforated plate anchor clamps include anchor clamps body and connecting portion, and a lateral wall of anchor clamps body outwards extends and forms the baffle the top of anchor clamps body still is equipped with two flanges of opposition, the extending direction perpendicular to of flange the baffle, baffle and two clearance between the flange forms the clamping part, connecting portion connect on the revolving stage.
Optionally, the fixture body is internally provided with the oscillation part, the oscillation part comprises a linear guide rail and a motor for driving the linear guide rail to reciprocate left and right, the linear guide rail is provided with two supporting rods, and the flange is fixed on the supporting rods.
Optionally, the top end of the flange is arc-shaped, and the height of the side adjacent to the baffle is greater than the height of the side away from the baffle.
Optionally, a base is arranged on the rotating structure, a first fixing rod and a second fixing rod are sequentially and fixedly mounted on the base, a first mounting table for mounting the liquid injection module is fixed to the top end of the first fixing rod, and a second mounting table for mounting the powder injection module is fixed to the top end of the second fixing rod.
From the above, the scheme of the invention can convey the porous plates to different stations by arranging the porous plate clamp on the rotating structure; the loading of the porous plate on the porous plate clamp or the separation of the porous plate from the porous plate clamp are realized through the porous plate loading and unloading structure; the powder wrapping process of the liquid marble on the porous plate is completed by the oscillating part in the porous plate clamp. Compared with the prior art, the automatic preparation of the liquid marble can be realized, and the production efficiency is improved.
In order to achieve the above object, a second aspect of the present invention provides a porous plate for the above automatic preparation apparatus of liquid marbles based on a rotational positioning structure, wherein the porous plate has a three-layer layered structure, the top layer is provided with a plurality of hole sites for accommodating the liquid marbles, the inner surfaces of the hole sites are provided with hydrophobic coatings, two sides of the lower surface of the top layer are provided with first abdicating gaps for clamping by the porous plate mounting and dismounting structure, and two sides of the lower surface of the middle layer are provided with second abdicating gaps for clamping by the clamping part.
Optionally, the bottom layer of the porous plate is a counterweight.
As described above, the porous plate is arranged in a layered structure, and the abdicating gaps are respectively arranged on the lower surface of the top layer and the lower surface of the middle layer, so that the porous plate is easy to clamp and load, and the porous plate is convenient to move; and set up a plurality of hole sites that are used for holding the liquid marble in the top layer, realize bearing the weight of liquid marble in order to conveniently transport the liquid marble on the perforated plate.
In order to achieve the above object, a third aspect of the present invention provides a method for preparing a liquid marble, comprising the steps of:
conveying the porous plate to a set installation station in a rotating manner in a vertical plane;
clamping and mounting the porous plate on a porous plate clamp;
the porous plate is sequentially conveyed to a liquid injection station and a powder injection station in a rotating mode so as to complete liquid injection and powder injection processes;
oscillating the porous plate on the porous plate clamp at an oscillating station to complete the complete wrapping of the liquid marble by the powder;
the multiwell plate was detached from the multiwell plate holder to complete the recovery of the multiwell plate and to collect the well-prepared liquid marbles.
From top to bottom, realize through the rotation that the perforated plate is installed on the perforated plate anchor clamps to transport the perforated plate to accomplish to different stations and annotate the liquid and the back of dusting, realize the complete parcel of powder through the perforated plate in the porous plate anchor clamps of vibration at the vibration station, thereby realized the automatic preparation and the production of liquid marble, simplified production procedure, improved preparation efficiency.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the embodiments or the prior art description will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is a schematic view of an apparatus for automatically preparing a liquid marble based on a rotary positioning structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of a rotary structure in the embodiment of FIG. 1;
FIG. 3 is a schematic view of a multi-well plate holder in the embodiment of FIG. 1;
FIG. 4 is a schematic view of a perforated plate mounting and dismounting structure in the embodiment of FIG. 1;
FIG. 5 is a schematic view of a horizontal holding mechanism in the perforated plate attaching and detaching structure;
FIG. 6 is an enlarged view of a portion of the embodiment of FIG. 5 at A;
FIG. 7 is a schematic view of a priming module in the embodiment of FIG. 1;
FIG. 8 is a schematic diagram of a powder injection module in the embodiment of FIG. 1;
FIG. 9 is a schematic view of a multi-well plate in the embodiment of FIG. 1;
fig. 10 is a schematic view of a second embodiment of an automatic liquid marble preparing device based on a rotary positioning structure.
The reference numbers illustrate:
100. the rotary structure comprises a rotating structure, 110, a fixed column, 120, a rotary table, 121, a female cone groove, 122, a base, 123, a pusher, 124, a male cone table, 130, a fixed rod, 140, an installation table, 200, a porous plate clamp, 210, a clamp body, 220, a connecting part, 230, a clamping part, 240, a baffle plate, 250, a flange, 260, an oscillating part, 270, a linear guide rail, 280, a gear, 290, a support rod, 300, a porous plate assembling and disassembling structure, 310, a support seat, 320, a connecting rod, 330, a clamping part, 340, a first gear shaft, 350, a second gear shaft, 360, a third gear shaft, 370, a motor, 400, a porous plate, 410, a top layer, 420, a middle layer, 430, a bottom layer, 440, a hole site, 450, a first abdicating gap, 460, a second abdicating gap, 500, a liquid injection module, 510, an injector, 600, a powder injection module, 610, a powder storage box, 620, a baffle plate, 630, a powder outlet hole, 640, a connecting rod, 650, a movable baffle plate, 660 and a push rod.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As used in this specification and the appended claims, the term "if" may be interpreted contextually as "when 8230that is," or "once" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings of the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and it will be appreciated by those skilled in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited by the specific embodiments disclosed below.
The liquid marble is a micro-reactor formed by wrapping liquid drops by hydrophobic particles, has the characteristics of small friction force, small pollution, convenient transfer and the like, and has wide application prospect in the aspects of biology, chemistry and medicine. At present, the preparation methods of liquid marbles are various, the traditional preparation method of liquid marbles is mainly based on manual operation, and powder is adhered to liquid drops through manual oscillation, however, in the traditional preparation method, the manual oscillation is difficult to control accurately, the obtained liquid marbles have good and uneven service performance, the manual preparation time is high, and high yield is difficult to realize. A part of automatic preparation platforms attract liquid drops with different volumes to the vibration platform by controlling an electric field, and the preparation of liquid marbles is completed under the oscillation of the vibration platform. Meanwhile, because an electric field is introduced in the preparation process, the prepared liquid marble is influenced by the electric field and is limited in application.
The preparation process of the liquid marble mainly comprises a liquid injection process, a powder injection process and an oscillation process. In order to realize the automatic operation of the working procedures, the invention is different from the prior process that the position of the porous plate is kept still, the liquid injection module and the powder spraying module are moved, and the liquid marble preparation is completed through the oscillating table. The automatic preparation of the liquid marble is realized, and the preparation device has a simple structure and is convenient to use.
The first embodiment:
as shown in fig. 1, the automatic liquid marble preparing apparatus based on a rotational positioning structure of this embodiment mainly includes: a rotating structure 100 and a perforated plate handling structure 200. As shown in fig. 2, the rotating structure 100 includes a fixed column 110 fixed on the work table and a rotating table 120 mounted on a top end of the fixed column 110. The rotary table 120 is an automatically positionable rotary table in this embodiment. Specifically, a plurality of female taper grooves 121 are provided in the circumferential direction on the bottom surface of the turntable 120, and a plurality of pushers 123 are provided on the base 122 of the turntable 120. The number of the female taper slots 121 and the number of the pushers 123 are correspondingly set according to specific positioning positions and accuracy. If 12 female taper slots 121 are provided, the corresponding accuracy is 30 °. The front end of the pusher 123 is provided with a male cone 124 matched with the female cone groove 121. The pusher 123 is provided with a motor therein, and the driving device is used to push the male cone 124 out of the female cone groove 121 along the axial direction thereof, so as to drive the rotating table 120 to rotate. When the rotating platform 120 needs to be positioned, the male frustum 124 at the front end of the pusher 123 is completely pushed out, the male frustum 124 and the female frustum 121 form a limiting fit, and at the moment, the female frustum 121 and the male frustum 124 are abutted to enable the rotating platform 120 to be incapable of rotating, so that the rotating platform 120 is suspended. By changing the number of the female taper grooves 121 and the pushers 123 provided in the circumferential direction, the hovering position of the rotating table 120 can be changed.
It should be noted that, the specific mechanism for driving the rotating platform 120 to rotate and hover is not limited, and a bearing may be disposed at the top end of the fixing column 110 in an interference manner, the bearing is connected to the rotating platform 120, and a motor and a transmission device are disposed, and the motor drives the transmission device to rotate and hover the rotating platform 120.
In order to transport the liquid marble between different stations while rotating the rotary table 120, in the present embodiment, the rotary table 120 is disk-shaped, and four perforated plate holders 200 are fixed to a circumferential side wall of the rotary table 120 at intervals. The multi-well plate clamping apparatus 200, as shown in fig. 3, comprises a clamping apparatus body 210 and a connecting portion 220, wherein the clamping apparatus body 210 is a box-shaped structure with an open top, and the connecting portion 220 is a long rod connected to one side of the clamping apparatus body 210, and the free end of the long rod is arc-shaped and is used for cooperating with the side wall of the rotating platform 120 to fix the multi-well plate clamping apparatus 200 on the rotating platform 120.
A grip part 230 for coupling with the multi-well plate 400 is provided on each of the jig bodies 210, and loading and unloading of the multi-well plate 400 is performed by the grip part 230. In this embodiment, one sidewall of the jig body 210 is extended outward to form a baffle 240, two flanges 250 are disposed opposite to each other in a direction perpendicular to the baffle 240, and a space between the baffle 240 and the two flanges 250 forms a holding portion 230 for accommodating the porous plate 400. Alternatively, the specific shape and size of the clamping portion 230 may be modified accordingly depending on the size of the porous plate 400.
Further, the top of flange 250 is the arc in this embodiment, and the height that is close to baffle 240 one side is greater than the height that deviates from one side of baffle 240, and the circular motion orbit based on perforated plate handling structure is to curved design, does not collide when guaranteeing to load or break away from perforated plate 400 for can be more convenient when loading or breaking away from perforated plate 400.
In order to completely wrap the liquid marble with the surface powder, the present embodiment further includes an oscillating member 260 within the fixture body 210, and the flange 250 is moved back and forth by the oscillating member 260, so that the porous plate 400 in the loading holder 230 is oscillated. After accomplishing the process of dusting to the naked liquid drop on this perforated plate 400, the preliminary cover of powder has been accomplished, can make the powder parcel of liquid marble more abundant through the oscillation, rocks the complete parcel of perforated plate in order to accomplish the top layer powder promptly through controlling. Specifically, a linear guide 270 and a motor are installed in the clamp body 210, a rack is disposed on the linear guide 270, and an output end of the motor is connected to the gear 280 and engaged with the rack on the linear guide 270, so as to drive the linear guide 270 to reciprocate left and right. Two struts 290 are fixed to the linear guide 270, and the other ends of the struts 290 are fixedly connected to the flange 250. Therefore, the linear guide 270 moves back and forth right and left to move the flange 250 right and left, thereby oscillating the porous plate.
The present invention also designs a multi-well plate loading and unloading structure 300 as shown in fig. 4 for automatically loading and unloading a multi-well plate 400 on the structure, i.e., automatically loading the multi-well plate 400 on the multi-well plate jig 200 or releasing the multi-well plate 400 from the multi-well plate jig 200 to the structure. Specifically, the perforated plate mounting structure 300 includes a support base 310 for fixing, and a link 320 is provided on the top of the support base 310, and the link 320 is rotatable about the top of the support base 310 in a vertical plane, similar to a ferris wheel. The connecting rod 320 has a U-shaped engaging portion 330 fixed to the end thereof for holding the porous plate, and the engaging portion 330 is used to load or release the porous plate, so that the shape of the engaging portion 330 can be changed according to the shape of the porous plate 400.
In this embodiment, four links 320 are provided on the perforated plate attaching and detaching structure 300, and each link 320 is provided with an engaging portion 330, and the opening of the engaging portion 330 faces the right side. Taking the connecting rod 320 as an example, when in use, the connecting rod 320 rotates counterclockwise first to load the porous plate 400 onto the porous plate holder 200, the structure 100 is rotated to make the other porous plate holder reach the loading and unloading position, the connecting rod 320 continues to rotate counterclockwise to load the second porous plate 400 onto the porous plate holder 200, the process is repeated until the porous plate holder 200 in the last unloaded state reaches the loading and unloading position, and the last porous plate 400 on the connecting rod 320 is loaded onto the porous plate holder 200 in the unloaded state. The rotating structure 100 is then operated again, at which time the first loaded perforated plate 400 has moved for one circle to complete the preparation of the liquid marble and returns to the loading and unloading position, and at the same time the completely unloaded perforated plate loading and unloading structure 300 starts to rotate clockwise to unload the first perforated plate 400 on the engaging portion 330 after the preparation of the liquid marble, and the following three perforated plates are unloaded and collected by the loading and unloading device 300 in sequence following this step.
Optionally, a greater number of connecting rods 320 may be provided, distributed in a spoke-like manner in the vertical plane, each connecting rod being provided with a snap-in portion 330, and a corresponding increased number of parking stations being set on the rotary structure, thereby increasing the yield of liquid marbles per unit time.
In order to prevent the perforated plate carrying the prepared liquid marble from tilting when rotating along with the connecting rod 320 and the liquid marble from rolling out, the perforated plate attaching and detaching structure 300 of the present embodiment is provided with a horizontal holding mechanism to keep the perforated plate 400 on the engaging portion 330 in a horizontal state when the connecting rod 320 rotates. Specifically, as shown in fig. 5 and 6, the horizontal holding mechanism includes a first gear shaft 340 disposed at the top of the supporting base 310, a second gear shaft 350 is disposed inside the connecting rod 320, the first gear shaft 340 and the second gear shaft 350 are rotatably connected through a bevel gear, a third gear shaft 360 is disposed at the end of the connecting rod 320, and the third gear shaft 360 is mounted with a clamping portion 330. The third gear shaft 360 is rotatably connected with the second gear shaft 350 through a bevel gear. And the gear ratios between the first gear shaft 340 and the second gear shaft 350 are all 1.
When the motor drives the first gear shaft 340 at the top of the supporting seat 310 to rotate, the second gear shaft 350 is driven to rotate through the rotation connection of the bevel gear, and then the third gear shaft 360 is driven to rotate through the rotation connection of the bevel gear, so as to drive the engaging portion 330 to rotate. Since the transmission ratio between the first gear shaft 340 and the second gear shaft 350 is 1.
Further, in order to facilitate installation of the liquid injection module and the powder injection module, two fixing rods 130 are fixedly installed on the chassis of the rotating structure 100, and an installation platform 140 for installing the liquid injection module 500 and an installation platform 140 for installing the powder injection module 600 are respectively and fixedly installed at the top ends of the two fixing rods 130. It should be noted that the specific structure of the mounting platform 140 is not limited, and the structure can be designed according to the structure for mounting the liquid injection module and the powder injection module on the existing production line, in relation to the shape and size of the liquid injection module 500 and the powder injection module 600.
In this embodiment, the injection module 500 is shown in fig. 7 and comprises six injectors 510 and a ball screw transmission device, the injectors 510 are distributed corresponding to six holes in a porous plate one by one, and six piston push rods of the injectors 510 are uniformly fixed on a displacement platform. The ball screw transmission device comprises a ball screw, two guide rails and a stepping motor, the ball screw transmission device is connected with the displacement platform, the propelling distance of the displacement platform can be realized by controlling the displacement distance of the ball screw transmission device, and the accurate control of the volume of the dripping liquid drops of the injector is further realized.
As shown in fig. 8, the powder spraying module 600 mainly includes: a powder storage box 610, a baffle 620 and a vibrator; six powder outlet holes 630 are formed below the powder storage box and correspond to the hole positions of the porous plate one by one. The upper part of the powder outlet 630 is provided with a screen for obtaining powder particles with more uniform size. A rotatable link 640 is also mounted above the powder storage box 610 to ensure that the powder storage box 610 can respond to displacement under external excitation to achieve vibratory screening of the powder. The movable baffle 650 is arranged below the powder outlet 630, the movable baffle 650 is controlled by a motor, and the motor drives the circular gear to rotate, so that the two linear gears connected with the movable baffle 650 move outwards at the same time, and the movable baffle 650 is opened and closed. The powder storage box 610 is connected with the vibrator through a push rod 660, and a spring piece is arranged between an eccentric motor in the vibrator and the push rod 660. The eccentric motor can strike the spring leaf repeatedly in operation, and the periodic motion conduction of eccentric motor to the powder storage box through the push rod 660 of connection, and then realize the vibration to the powder storage box.
It should be noted that various devices existing in the field can also be used for the liquid injection module 500 and the powder injection module 600, and are not described herein again.
The present invention further provides a multi-well plate 400, as shown in fig. 9, which is a three-layer layered structure, wherein the top layer 410 is dug with holes 440 for containing liquid marbles, and the inner surfaces of the holes 440 are provided with a coating layer formed by a hydrophobic material. The size of the square of the top layer 410 is larger than that of the middle layer 420, first yielding gaps 450 for clamping the clamping parts 330 are formed at both sides of the bottom surface of the top layer 410, the size of the square of the middle layer 420 is larger than that of the square of the bottom layer 430, and second yielding gaps 460 for resting the porous plate on the flange 250 are formed at both sides of the bottom surface of the middle layer 420. The bottom surface of the middle layer 420 of the porous plate 400 is arc-shaped, and the second abdicating gap 460 is a gap with an arc-shaped top end, which is matched with the arc-shaped top end of the flange 250, so that the porous plate 400 can be more stably placed on the clamping portion 230.
Further, the bottom layer 430 of the porous plate 400 is a weight block, so that the porous plate can be more stable when oscillating. In summary, the preparation process of the liquid marble of this embodiment is: by means of the rotation of the rotating table, the perforated plate can be conveyed to different stations simultaneously. Such as: the device comprises a perforated plate loading and unloading station, a liquid injection station, a powder spraying station and an oscillation station. When the revolving stage is rotatory, when unloaded perforated plate anchor clamps are rotatory to the perforated plate loading and unloading station, load the perforated plate on the perforated plate anchor clamps through perforated plate loading and unloading structure, then continue to rotate and transport the perforated plate to annotate the liquid station, the perforated plate loading and unloading structure loads the second perforated plate in the unloaded perforated plate anchor clamps that move so far at this moment, wait for annotate the liquid and accomplish the back, first perforated plate is rotatory to the station of dusting, the second perforated plate reachs to annotate the liquid station this moment, the third perforated plate is loaded and is accomplished, first perforated plate is accomplished after the powder spraying technology, continue to rotate to the vibration station and accomplish the complete parcel of top layer powder, fourth perforated plate is also loaded this moment, first perforated plate is rotatory to be collected after returning to the perforated plate loading and unloading station afterwards, follow-up three perforated plate also follows this step and is collected.
Second embodiment:
as shown in fig. 10, the second embodiment is different from the first embodiment in that,
in this embodiment, the engaging portion 330 is provided only on one link 320, and the opening of the engaging portion 330 faces the right side. When the multi-hole plate fixture is used, the connecting rod 320 rotates clockwise at first, the multi-hole plate 400 is separated from the multi-hole plate fixture 200 and then continuously rotates to a specified position, the multi-hole plate 400 which is arranged on the clamping part 330 and has finished a liquid marble preparation process is detached, a new multi-hole plate 400 is replaced on the clamping part 330, and then the multi-hole plate fixture rotates anticlockwise to the top end, and the new multi-hole plate 400 is loaded on the multi-hole plate fixture 200, so that the automatic installation and unloading of the multi-hole plate are realized.
Alternatively, the openings of the engaging portions 330 of the adjacent or opposite connecting rods 320 may be oriented in opposite directions, so that different connecting rods 320 are used to respectively load and unload the porous plates, thereby improving the efficiency of installation and unloading.
The invention also provides a preparation method of the liquid marble based on the rotary positioning structure, which comprises the following steps: firstly, rotatably conveying a porous plate to a set porous plate mounting station in a vertical plane; for example, the porous plate mounting station in the embodiment is a top point to which the porous plate rotates, then the porous plate is loaded and mounted on the porous plate clamp, and the porous plate is sequentially conveyed to the liquid injection station, the powder injection station and the oscillation station in a rotating manner, so that the liquid injection and powder injection processes are completed; vibrating the porous plate by using a porous plate clamp at a vibration station to completely wrap the powder of the liquid marble; the multi-well plate is separated from the multi-well plate fixture, and the prepared multi-well plate with the liquid marbles is collected. The circulation is carried out, the automatic preparation and generation of the liquid marble are formed, and the high yield and the high standard-reaching rate of the liquid marble preparation can be realized without special treatment on the liquid marble.
The specific content of the preparation method can refer to the corresponding description in the automatic liquid marble preparation device based on the rotary positioning structure, and is not described again here.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art; the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein.
Claims (10)
1. The utility model provides an automatic preparation facilities of liquid marble based on rotational positioning structure which characterized in that includes:
the rotating structure is provided with a rotating table, porous plate clamps are arranged at intervals along the circumferential direction of the rotating table, clamping parts for coupling with porous plates are arranged on the porous plate clamps, the porous plates are used for loading liquid marbles, and the rotating table can rotate around the axis of the rotating table to convey the porous plates for liquid injection and powder injection;
the perforated plate loading and unloading structure is used for loading the perforated plate on the perforated plate loading and unloading structure on the perforated plate clamp or separating the perforated plate from the perforated plate clamp on the perforated plate loading and unloading structure;
still be equipped with on the perforated plate anchor clamps with the oscillating part that the clamping part is connected, oscillating part is used for left and right reciprocating motion the clamping part is in order to vibrate the liquid marble in the perforated plate hole site, realizes that the surperficial powder wraps up completely to liquid marble.
2. The automatic liquid marble preparing device according to claim 1, wherein the perforated plate attaching and detaching structure comprises a support base and a connecting rod connected to a top portion of the support base, the connecting rod is rotatable in a vertical plane around the top portion of the support base, a U-shaped engaging portion is provided at an end of the connecting rod, the engaging portion is used for engaging the perforated plate in the engaging portion with the perforated plate holder or disengaging the perforated plate from the perforated plate holder to the engaging portion, and the perforated plate attaching and detaching structure is further provided with a horizontal holding mechanism for keeping the perforated plate in the engaging portion in a horizontal state all the time when the connecting rod rotates.
3. The automatic preparation device for liquid marbles based on rotary positioning structure as claimed in claim 2, wherein said connecting rods are provided in plurality and distributed in the shape of spokes in the vertical plane, said connecting rods can be rotated forward and backward to respectively realize loading or unloading of porous plates.
4. The automatic liquid marble preparing device based on a rotary positioning structure as claimed in claim 1, wherein said porous plate fixture comprises a fixture body and a connecting portion, one side wall of the fixture body extends outwards to form a baffle, two opposite flanges are further provided at the top end of the fixture body, the extending direction of the flanges is perpendicular to the baffle, the gap between the baffle and the two flanges forms the clamping portion, and the connecting portion is connected to the rotary table.
5. The automatic liquid marble preparing device based on the rotary positioning structure as claimed in claim 4, wherein said oscillating unit is disposed in said fixture body, said oscillating unit comprises a linear guide and a motor for driving the linear guide to reciprocate left and right, said linear guide is provided with two supporting rods, and said flange is fixed on said supporting rods.
6. The automatic preparation device of liquid marbles based on rotary positioning structure of claim 4, wherein the top end of said flange is arc-shaped, and the height of the side adjacent to said baffle is larger than the height of the side away from said baffle.
7. The automatic liquid marble preparing device based on the rotary positioning structure as claimed in claim 1, wherein a base is provided on the rotary structure, a first fixing rod and a second fixing rod are sequentially and fixedly installed on the base, a first installation platform for installing a liquid injection module is fixed at the top end of the first fixing rod, and a second installation platform for installing a powder injection module is fixed at the top end of the second fixing rod.
8. The multi-hole plate is characterized in that the multi-hole plate is of a three-layer layered structure, the top layer is provided with a plurality of hole sites for containing liquid marbles, the inner surfaces of the hole sites are provided with hydrophobic coatings, first yielding gaps for clamping the multi-hole plate loading and unloading structure are arranged on two sides of the lower surface of the top layer, and second yielding gaps for clamping the clamping parts are arranged on two sides of the lower surface of the middle layer.
9. The multiwell plate of claim 8 wherein the bottom layer of the multiwell plate is a clump weight.
10. A method for automatically preparing a liquid marble based on a rotary positioning structure is characterized by comprising the following steps:
conveying the porous plate to a set installation station in a rotating manner in a vertical plane;
clamping and mounting the porous plate on a porous plate clamp;
the porous plate is sequentially conveyed to a liquid injection station and a powder injection station in a rotating mode so as to complete liquid injection and powder injection processes;
oscillating the perforated plate on the perforated plate fixture at an oscillating station to completely wrap the liquid marbles with the surface powder;
the multiwell plate was detached from the multiwell plate holder to complete the recovery of the multiwell plate and to collect the well-prepared liquid marbles.
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| JP2004292072A (en) * | 2003-03-25 | 2004-10-21 | Freunt Ind Co Ltd | Granule discharging device and its method |
| CN105378909A (en) * | 2013-06-18 | 2016-03-02 | 株式会社思可林集团 | Substrate holding and rotating device, substrate processing device equipped with same, and substrate processing method |
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| CN115253945B (en) | 2023-11-03 |
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