CN217490606U - Automatic vortex mixing device - Google Patents

Abstract

The utility model belongs to the technical field of test equipment, and discloses an automatic vortex mixing device which comprises a fixing frame, a centrifugal component, a test tube rack and a pressing plate component, wherein the centrifugal component comprises a first driving piece fixedly arranged on the fixing frame and an eccentric shaft driven by the first driving piece to eccentrically rotate; the pressure plate assembly comprises a pressure plate and a second driving piece, the second driving piece is fixedly mounted on the fixing frame, and the second driving piece can drive the pressure plate to be rotatably arranged at the top of the test tube rack and be arranged at intervals with the test tube so as to limit the axial displacement of the test tube and realize the rotating opening and closing of the pressure plate, so that the limit control of the test tube in the axial direction can be realized, and the test tube is prevented from being damaged; and, the clamp plate rotates to open and shut and sets up the use that has reduced the space, has improved space utilization.

Description

Automatic vortex mixing device

Technical Field

The utility model relates to a test equipment technical field especially relates to an automatic vortex mixing arrangement.

Background

The vortex mixing device is a conventional mixing device, is widely applied to experiments needing mixing operation in the biochemical field, and is a conventional device for fixing, oscillating and mixing certain reagents, solutions and chemical substances in biochemistry, chemical laboratories, hospital wards, laboratories and the like.

At present, the vortex mixing arrangement of the general use standard in laboratory, this equipment only are applicable to manual operation, and when needs handled big batch sample, work load is big, and manual operation wastes time and energy, and current vortex mixing arrangement does not possess the clamp plate and rotates the function of opening and shutting, and the clamp plate and the test tube direct contact of current device easily cause the damage to the test tube.

In order to solve the above problems, it is highly desirable to develop an automatic vortex mixing apparatus.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic vortex mixing arrangement can realize that the clamp plate rotates to open and shut, avoids damaging the test tube.

To achieve the purpose, the utility model adopts the following technical proposal:

an automatic vortex mixing apparatus, wherein the automatic vortex mixing apparatus comprises:

a fixed mount;

the centrifugal assembly comprises a first driving piece fixedly arranged on the fixed frame and an eccentric shaft driven by the first driving piece to eccentrically rotate;

the bottom of the test tube rack is fixedly connected to the eccentric shaft and is driven by the eccentric shaft to eccentrically rotate, and the test tube is arranged on the test tube rack and is driven by the test tube rack to do vortex motion; and

the pressing plate assembly comprises a pressing plate and a second driving piece, the second driving piece is fixedly installed on the fixing frame, the second driving piece can drive the pressing plate to rotate, is arranged at the top of the test tube rack and is arranged at an interval with the test tubes, and therefore the axial displacement of the test tubes is limited.

Optionally, the pressing plate assembly further comprises a driving wheel, a synchronous belt, a driven wheel and a transmission shaft, the driving wheel is connected to an output end of the second driving piece, the driving wheel and the driven wheel are mounted on the fixing frame and are connected through the synchronous belt in a transmission mode, the transmission shaft is rotatably arranged on the fixing frame, one end of the transmission shaft is fixedly connected to the driven wheel, and one end of the pressing plate is fixedly connected to the transmission shaft and can rotate along with the transmission shaft.

Optionally, the pressing plate assembly further includes a first sensing piece and a first sensor, the first sensor is mounted on the fixing frame, the first sensing piece is fixedly mounted at the other end of the transmission shaft, and the first sensing piece rotates along with the transmission shaft and can be sensed by the first sensor.

Optionally, the pressing plate assembly further includes a limiting block and a limiting post, the limiting post is disposed on the fixing frame, the limiting block is sleeved on the transmission shaft and clamped between the first sensing piece and the fixing frame, and the limiting block is of a fan-shaped structure and can rotate along with the transmission shaft to one of two side end faces of the fan-shaped structure to abut against the limiting post.

Optionally, the test tube rack comprises a first mounting rack, a second mounting rack and a plurality of first stand columns, the first mounting rack is fixedly connected to the second driving piece, and the plurality of first stand columns are uniformly distributed along the circumferential direction of the first mounting rack and fixedly connected between the first mounting rack and the second mounting rack.

Optionally, the first mounting frame is provided with a plurality of first through holes, the second mounting frame is correspondingly provided with a plurality of second through holes, the diameter of each first through hole is smaller than the outer diameter of the test tube, the diameter of each second through hole is larger than the outer diameter of the test tube, and the bottom of the test tube passes through the first through hole and the second through hole and is placed on the test tube rack.

Optionally, the first drive member includes an absolute encoder configured to automatically position the tube rack.

Optionally, the centrifugal assembly further includes a coupling, a second sensing piece and a second sensor, the coupling is connected between the first driving member and the eccentric shaft, the second sensing piece is mounted on the coupling, the second sensor is mounted on the fixing frame, and the second sensing piece rotates along with the coupling and can be sensed by the second sensor.

Optionally, the centrifugal assembly further includes a spring, and the spring is sleeved on the eccentric shaft and clamped between the test tube rack and the fixing frame.

Optionally, the pressure plate assembly further comprises a buffer pad, and the buffer pad is disposed at the bottom of the pressure plate.

The utility model has the advantages that:

the utility model provides an automatic vortex mixing device, which comprises a fixing frame, a centrifugal component, a test tube rack and a pressing plate component, wherein in the centrifugal component, a first driving piece fixedly arranged on the fixing frame can drive an eccentric shaft to eccentrically rotate, so as to drive the test tube rack with the bottom fixedly connected with the eccentric shaft to do vortex motion, thereby realizing vortex mixing of solution in a test tube; in the pressure plate assembly, the second driving piece fixedly arranged on the fixing frame can drive the pressure plate to rotate and is arranged at the top of the test tube rack at intervals, so that the pressure plate can be rotated to be opened and closed, further the test tube can be limited and controlled in the axial direction, and the test tube is prevented from being damaged; and, the clamp plate rotates to open and shut and sets up the use that has reduced the space, has improved space utilization.

Drawings

FIG. 1 is a first schematic view of an automatic vortex mixing device according to an embodiment of the present invention;

FIG. 2 is a schematic structural view II of an automatic vortex mixing device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a transmission shaft according to an embodiment of the present invention;

fig. 4 is an exploded schematic view of a test tube rack according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second shaft sleeve according to an embodiment of the present invention;

fig. 6 is an exploded view of a first fixing frame according to an embodiment of the present invention;

fig. 7 is an exploded view of a second fixing frame according to an embodiment of the present invention.

In the figure:

100. a fixed mount; 101. a first fixing frame; 1011. a top plate; 10111. a second counterbore; 10112. a fifth connecting hole; 10113. a third counterbore; 10114. a sixth connection hole; 10115. a third through hole; 10116. a second card slot; 10117. a fifth counterbore; 1012. a base plate; 10121. a first counterbore; 1013. a second upright post; 1014. a drive mounting; 10141. a seventh connection hole;

102. a second fixing frame; 1021. a side plate; 10211. a second groove; 10212. an eighth connection hole; 10213. a fourth via hole; 10214. a fifth through hole; 10215. a ninth connection hole; 10216. a third card slot; 1022. a connecting plate; 10221. a fourth counterbore;

200. a centrifuge assembly; 201. a first driving member; 202. an eccentric shaft; 203. a coupling; 204. a second sensing piece; 205. a second sensor; 206. a spring; 207. a first shaft sleeve; 208. a second shaft sleeve; 2081. a protrusion;

300. a test tube rack; 301. a first mounting bracket; 3011. a first through hole; 3012. a second connection hole; 3013. a third connection hole; 3014. a first card slot; 302. a second mounting bracket; 3021. a second through hole; 3022. a fourth connection hole; 303. a first upright post;

400. a platen assembly; 401. pressing a plate; 402. a second driving member; 403. a driving wheel; 404. a synchronous belt; 405. a driven wheel; 406. a drive shaft; 4061. a first groove; 407. a first sensing piece; 408. a first sensor; 409. a limiting block; 410. a limiting column; 411. a cushion pad; 412. a tension wheel; 413. a first connection hole; 414. a buffer member;

2000. test tubes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

In fields such as biochemistry, need be to reagent, the solution carries out the mixing processing, this is a very important process in the processing of physics and chemistry sample, current mixing processing equipment is vortex mixing arrangement, can drive reagent through this vortex mixing arrangement, solution carries out vortex motion, it is more even to make its mix, current vortex mixing arrangement does not possess clamp plate 401 and rotates the function of opening and shutting, and directly cover on test tube 2000 through clamp plate 401, a restriction for to test tube 2000 axial motion, greatly increased the destruction to test tube 2000 itself.

In order to solve the problem, the utility model provides an automatic vortex mixing arrangement can realize that clamp plate 401 rotates the function of opening and shutting, and prevents clamp plate 401 direct contact test tube 2000, avoids causing the damage when test tube 2000 is the vortex motion. Specifically, as shown in fig. 1, the automatic vortex mixing device comprises a fixed frame 100, a centrifugal assembly 200, a test tube rack 300 and a pressure plate assembly 400, wherein the centrifugal assembly 200 comprises a first driving member 201 and an eccentric shaft 202 which are fixedly arranged on the fixed frame 100, and the first driving member 201 can drive the eccentric shaft 202 to eccentrically rotate; the bottom of the test tube rack 300 is fixedly connected to the eccentric shaft 202, so that the eccentric shaft 202 rotates eccentrically, and the test tube rack 300 rotates eccentrically along with the eccentric shaft 202, so that the test tube 2000 arranged on the test tube rack 300 drives the solution in the test tube 2000 to do vortex motion, and further vortex mixing of the solution is realized; the clamp plate assembly 400 includes clamp plate 401 and the second driving piece 402 of fixed mounting on mount 100, second driving piece 402 can drive clamp plate 401 and rotate to open and shut, and set up in the top of test-tube rack 300, thereby can realize spacing to test tube 2000's axial, and second driving piece 402 sets up with the test tube 2000 interval, can avoid test tube 2000 direct contact clamp plate 401, and then avoided test tube 2000 always with the striking of clamp plate 401 when being the vortex motion and to test tube 2000's damage. Through the structure, the test tube 2000 can be prevented from jumping axially while the test tube 2000 is placed on the test tube rack 300 to perform vortex motion, and the pressing plate 401 is not in direct contact with the test tube 2000, so that the damage to the test tube 2000 is avoided; in addition, the pressing plate 401 is rotatably opened and closed, so that the use of space is reduced, and the space utilization rate is improved.

In this embodiment, as shown in fig. 1 and fig. 2, the pressing plate assembly 400 further includes a driving wheel 403, a synchronous belt 404, a driven wheel 405 and a transmission shaft 406, the driving wheel 403 is connected to an output end of the second driving member 402, the driving wheel 403 and the driven wheel 405 are installed on the fixing frame 100 and are in transmission connection with each other through the synchronous belt 404, the transmission shaft 406 is rotatably installed on the fixing frame 100 and has one end connected to the driven wheel 405, one end of the pressing plate 401 is fixedly connected to the transmission shaft 406, so that the second driving member 402 can drive the driving wheel 403 to rotate, and the driven wheel 405 and the transmission shaft 406 connected to the driven wheel 405 are driven to rotate through the synchronous belt 404, thereby enabling the pressing plate 401 to rotate to open and close. It is understood that in other embodiments, the structure for realizing the rotational opening and closing of the pressing plate 401 may also be other transmission structures, and is not limited herein.

Alternatively, the driving wheel 403 can be clamped and fixedly arranged on the second driving member 402 by the locking sleeve, so that the driving wheel 403 can be fixed. Alternatively, the driven wheel 405 may be fixedly clamped between the locking sleeve and the fixed frame 100 by the locking sleeve.

Optionally, the second drive 402 is a motor. Preferably, the second driving member 402 is a stepping motor, which satisfies the requirement, and has high precision and low cost.

Optionally, the pressing plate assembly 400 further includes a tension wheel 412 disposed between the driving wheel 403 and the driven wheel 405 and rotatably mounted on the fixing frame 100, an axis of the tension wheel 412 is located at one side of the synchronous belt 404 and is offset from a straight line connecting axes of the driving wheel 403 and the driven wheel 405, by sleeving the synchronous belt 404 on the tension wheel 412, since the tension wheel 412 is an eccentric wheel, through rotation of the tension wheel 412, control over tightness of the synchronous belt 404 can be achieved, and thus, the transmission effect of the synchronous belt 404 can be better achieved.

Optionally, as shown in fig. 1 to 3, the driving shaft 406 is provided with a first groove 4061, so that the pressing plate 401 can be flatly placed in the first groove 4061, the contact area between the pressing plate 401 and the driving shaft 406 is increased, and the connection between the pressing plate 401 and the driving shaft 406 is more stable. Optionally, the pressing plate 401 and the transmission shaft 406 are both provided with a plurality of first connection holes 413, and the pressing plate 401 and the transmission shaft 406 can be fixedly connected to each other by passing a fastener through the first connection holes 413, so that the stability is improved. It is understood that in other embodiments, the platen 401 and the drive shaft 406 may be formed by welding. Optionally, the transmission shaft 406 is connected with the fixing frame 100 through a bearing, so that the rotation of the transmission shaft 406 can be realized, the service life of the bearing is long, and the service life of the whole automatic vortex mixing device can be prolonged.

Optionally, as shown in fig. 2, the platen assembly 400 further includes a first sensing piece 407 and a first sensor 408, the first sensor 408 is mounted on the fixing frame 100, the first sensing piece 407 is fixedly mounted at the other end of the transmission shaft 406, the first sensing piece 407 rotates with the transmission shaft 406, and the first sensor 408 can sense the first sensing piece 407; the synchronous rotation of the first sensing piece 407 and the pressing plate 401 can be realized, and the position of the pressing plate 401 can be further determined through the position of the first sensing piece 407; that is, the pressing plate 401 is set to be at the initial position when in the covering state, and at this time, the position of the first sensing piece 407 sensed by the first sensor 408 is determined, and when the pressing plate 401 rotates, the first sensing piece 407 rotates along with the rotation speed of the first driving member 201 and the number of teeth of the driving wheel 403 and the driven wheel 405, so that the positions of the first sensing piece 407 and the pressing plate 401 can be calculated, and further, the position of the pressing plate 401 can be automatically determined. Optionally, when the machine is started or shut down, the pressing plate 401 can return to the initial position by setting a corresponding program in advance, that is, reset, so that the operation of an operator is facilitated, the requirement of automatic docking is met, and the automatic vortex mixing device can be matched with a mechanical arm and other automatic equipment for use.

Optionally, as shown in fig. 2, the pressing plate assembly 400 further includes a limiting post 410 and a limiting block 409, the limiting post 410 is disposed on the fixing frame 100, the limiting block 409 is sleeved on the transmission shaft 406 and is clamped between the first sensing piece 407 and the fixing frame 100, the limiting block 409 is of a fan-shaped structure and can abut against the limiting post 410 along with rotation of the transmission shaft 406 to one of two side end surfaces of the fan-shaped structure, when the pressing plate assembly 400 is at an initial position, one side end surface of the fan-shaped limiting block 409 abuts against the limiting post 410, when the pressing plate 401 rotates to be completely opened, the other side end surface of the fan-shaped limiting block 409 abuts against the limiting post 410, so that the pressing plate 401 is limited in rotation, and the pressing plate 401 is prevented from rotating to be opened or closed by a large rotation angle, which damages the external structure or the test tube 2000. Optionally, the first sensing piece 407 and the fixing frame 100 are clamped to form a limiting block 409, a threaded hole is formed in one side of the transmission shaft 406, which is connected to the first sensing piece 407, and the first sensing piece 407 and the limiting block 409 can be screwed and fixed by a fastener. Optionally, the restraint posts 410 are bolts. Preferably, the limiting block 409 is a fan-shaped structure with 90 degrees, so that the opening and closing requirements of the pressing plate 401 are met, the pressing plate cannot be opened too much, and interference with other devices is avoided. Optionally, a buffer 414 may be further interposed between the limiting column 410 and the fixing frame 100, so that the limiting block 409 abuts against the buffer 414, and therefore, wear is avoided, and the service life is long. Optionally, the platen assembly 400 further includes a buffer pad 411 disposed at the bottom of the platen 401 for buffering the test tube 2000 and protecting the test tube 2000 from jumping to contact with the platen 401 during the movement process, thereby preventing the test tube 2000 from being damaged. Optionally, the transmission shaft 406 is provided with a connecting groove, the limiting block 409 is provided with a pin hole, and the limiting block 409 and the transmission shaft 406 can be stably connected through pin connection.

Optionally, clamp plate 401 bottom is equipped with and holds the chamber, and blotter 411 sets up in holding the intracavity, can realize enclosing including closing all test tube 2000 through holding the chamber, carries on spacingly and the protection to test tube 2000 in the motion process better. It should be noted that the depth of the receiving chamber is greater than the sum of the thicknesses of the pressure plate 401 and the buffer pad 411, so that the buffer pad 411 and the test tube 2000 have a certain distance therebetween, thereby preventing the test tube 2000 from being damaged and better protecting the test tube 2000.

In this embodiment, as shown in fig. 1, the test tube rack 300 includes a first mounting rack 301, a second mounting rack 302 and a plurality of first upright columns 303, the plurality of first upright columns 303 are uniformly distributed along the circumferential direction of the first mounting rack 301 and are fixedly connected between the first mounting rack 301 and the second mounting rack 302, the first mounting rack 301 is fixedly connected to the eccentric shaft 202, and the first mounting rack 301 and the second mounting rack 302 are arranged at intervals to realize better mounting and fixing of the test tube 2000. Optionally, as shown in fig. 4, a plurality of first through holes 3011 have been opened in the first mounting frame 301, a plurality of second through holes 3021 have been correspondingly opened in the second mounting frame 302, the diameter of the first through hole 3011 is smaller than the outer diameter of the test tube 2000, the diameter of the second through hole 3021 is greater than the outer diameter of the test tube 2000, the bottom of the test tube 2000 passes through the first through hole 3011 and the second through hole 3021 and is placed on the test tube rack 300, the pointed end of the bottom of the test tube 2000 can be clamped in the first through hole 3011, the main body of the test tube 2000 is clamped in the second through hole 3021, and the test tube 2000 is more stably fixed. Optionally, the first through holes 3011 have different diameters, and the corresponding second through holes 3021 also have different diameters, so that the test tubes 2000 with different sizes and types can be mounted and fixed.

Optionally, a second connection hole 3012 is opened in the middle of the first mounting bracket 301 for fixedly connecting with the eccentric shaft 202. Optionally, first mounting bracket 301 has a plurality of third connecting holes 3013 along the circumference equipartition, second mounting bracket 302 has a plurality of fourth connecting holes 3022 along the circumference equipartition, first stand 303 both sides are equipped with the screw hole, it is fixed with first mounting bracket 301 to pass third connecting hole 3013 through the fastener, it is fixed with first stand 303 to pass fourth connecting hole 3022 through the fastener with second mounting bracket 302 and first stand 303, and then can realize first mounting bracket 301, be connected between first stand 303 and the second mounting bracket 302, and the circumference equipartition is fixed, can improve the steadiness that this test-tube rack 300 connects.

In this embodiment, as shown in fig. 1 and fig. 2, the centrifugal assembly 200 further includes a coupling 203, a second sensing piece 204, and a second sensor 205, the coupling 203 is connected between the first driving element 201 and the eccentric shaft 202, the second sensing piece 204 is mounted on the coupling 203, the second sensor 205 is mounted on the fixing frame 100, and when the second sensing piece 204 rotates along with the coupling 203, the second sensing piece 204 rotates to the second sensor 205 and can be sensed by the second sensor 205, so as to determine the position of the test tube rack 300, that is, the position of the second sensing piece 204 sensed by the second sensor 205 is set as an initial position, and the determination of the position of the test tube rack 300 can be achieved through the rotation speed of the first driving element 201 and the movement track of the eccentric shaft 202. Optionally, when the test tube rack is started or shut down, the test tube rack 300 returns to the initial position by setting a corresponding program, namely, the test tube rack is reset, so that the test tube rack is convenient for an operator to operate, meets the requirement of automatic docking, and can be matched with a mechanical arm and other automatic equipment for use.

Optionally, the first drive 201 is a motor. Preferably, the first driving member 201 is a servo motor, which facilitates servo control and has higher precision. Optionally, the first driving member 201 includes an absolute value encoder, which can more conveniently realize automatic positioning of the test tube rack 300 and meet the requirement of automatic docking. Alternatively, the eccentric shaft 202 is coupled to the mounting bracket 100 through a bearing, such that the eccentric shaft 202 is rotatably coupled to the mounting bracket 100.

Optionally, as shown in fig. 1, the centrifugal assembly 200 further includes a first shaft sleeve 207, the first shaft sleeve 207 is disposed at one end of the eccentric shaft 202 connected to the coupling 203, and is fixedly disposed on the fixing frame 100, so as to stabilize the eccentric shaft 202 and prevent the eccentric shaft 202 from shaking, thereby preventing the eccentric shaft 202 from being damaged, and further improving the service life of the eccentric shaft 202. Optionally, the centrifugal assembly 200 further includes a second shaft sleeve 208, the second shaft sleeve 208 is disposed at one end of the eccentric shaft 202 connected to the test tube rack 300, and the second shaft sleeve 208 is fixedly disposed on the first mounting rack 301, so as to achieve a stable connection between the eccentric shaft 202 and the test tube rack 300, and prevent the eccentric shaft 202 from shaking, thereby preventing the eccentric shaft 202 from being damaged, and further prolonging the service life of the eccentric shaft 202 and the test tube rack 300. Optionally, bearings are respectively arranged between the first shaft sleeve 207 and the eccentric shaft 202 and between the second shaft sleeve 208 and the eccentric shaft 202, so that the eccentric shaft 202 can be respectively rotatably connected with the first shaft sleeve 207 and the second shaft sleeve 208, the sliding resistance is increased, the bearings are durable, and the service life of the automatic vortex mixing device can be prolonged. Optionally, as shown in fig. 5, the second shaft sleeve 208 is provided with a protrusion 2081 at one end connected to the first mounting frame 301, as shown in fig. 4, the first mounting frame 301 is provided with a first clamping groove 3014, and the protrusion 2081 is butted with the first clamping groove 3014, so that a positioning effect on the test tube rack 300 can be achieved, and then the test tube rack 300 can be located in an initial state along with the second induction sheet 204 after being installed.

Optionally, the centrifugal assembly 200 further includes a spring 206, the spring 206 is sleeved on the eccentric shaft 202 and is clamped between the test tube rack 300 and the fixing frame 100, so that a certain buffering and damping effect is provided for the test tube rack 300 in the process that the test tube rack 300 moves along with the eccentric shaft 202, the test tube rack 300 is prevented from excessively oscillating, and the service lives of the test tube rack 300 and the eccentric shaft 202 are prolonged.

In this embodiment, as shown in fig. 1, the fixing frame 100 includes a first fixing frame 101 and a second fixing frame 102, and the second fixing frame 102 is fixedly installed at one side of the top end of the first fixing frame 101, so as to fix the centrifugal assembly 200 and the pressure plate assembly 400.

Alternatively, as shown in fig. 1 and 6, the first fixing frame 101 includes a top plate 1011, a bottom plate 1012 and a plurality of second vertical columns 1013, and the plurality of second vertical columns 1013 are uniformly distributed and fixedly connected between the top plate 1011 and the bottom plate 1012, so that the top plate 1011 and the bottom plate 1012 can be fixed at intervals. Optionally, the first mount 101 further comprises a drive mount 1014, the drive mount 1014 being attached to the bottom of the top plate 1011 for securing the first drive member 201, the first drive member 201 being located between the bottom plate 1012 and the drive mount 1014, and the coupling 203 and the sensor being located between the top plate 1011 and the drive mount 1014. Optionally, be equipped with a plurality of first counter sink 10121 on the bottom plate 1012, roof 1011 is equipped with a plurality of second counter sink 10111, threaded hole has been seted up to second stand 1013 both sides, pass first counter sink 10121 through the fastener and be connected second stand 1013 and bottom plate 1012 fixed connection, pass second counter sink 10111 through the fastener and be connected second stand 1013 and roof 1011, can realize the firm connection of first mount 101, the design of counter sink avoids the occupation to the exterior space, make things convenient for this automatic vortex mixing arrangement's fixed and place. Preferably, four second vertical columns 1013 are provided, and are disposed at four corners of the bottom plate 1012 in a rectangular shape, so that the connection between the bottom plate 1012 and the top plate 1011 is more stable.

Optionally, as shown in fig. 6, the top plate 1011 defines a fifth connecting hole 10112 for fixing with the first sleeve 207. Optionally, the top plate 1011 further defines a third counter-sunk hole 10113 for driving the mounting bracket 1014 to be fixedly connected with the top plate 1011. Optionally, the top plate 1011 defines a sixth connecting hole 10114 for fixing the second sensor 205. Alternatively, the sixth connection hole 10114 may be a counter-sunk hole. Optionally, a nut is welded at the sixth connection hole 10114 for fixing the second sensor 205. Optionally, the top plate 1011 defines a third through hole 10115 for mounting a bearing and enabling a rotational connection with the eccentric shaft 202. Optionally, the drive mounting bracket 1014 is formed with a seventh connecting hole 10141, and the second driving member 402 and the drive mounting bracket 1014 can be fixedly connected by a fastener passing through the seventh connecting hole 10141. Optionally, a second locking groove 10116 is formed on the top plate 1011 for positioning and fixing the second fixing frame 102. Optionally, the top plate 1011 is provided with lightening holes for lightening.

Optionally, as shown in fig. 7, the second fixing frame 102 includes two side plates 1021 and two connecting plates 1022, the two side plates 1021 are installed on one side of the top plate 1011, and the two connecting plates 1022 are connected between the two side plates 1021 for fixing the pressure plate assembly 400, and are connected through the two connecting plates 1022, so that the strength of the second fixing frame 102 is improved, and the two side plates 1021 are both formed by the same set of mold, which saves cost. Optionally, the two side plates 1021 are symmetrically arranged on the top plate 1011, which is more beautiful. Alternatively, as shown in fig. 1 and 2, the driving wheel 403, the tensioning wheel 412, the driven wheel 405, and the second driving member 402 are disposed on one side plate 1021, and the first sensor 408 and the stopper 409 are disposed on the other side plate 1021. Optionally, the connecting plate 1022 is further provided with a lightening hole for lightening.

Optionally, as shown in fig. 7, the side plate 1021 is provided with a second groove 10211, and the second driving member 402 is fixed in the second groove 10211 and located between the two side plates 1021. Optionally, the side plate 1021 is provided with an eighth connecting hole 10212, and a fastener passes through the eighth connecting hole 10212 to be connected with the second driving member 402, so that the fastening connection between the second driving member 402 and the side plate 1021 can be realized. Optionally, the side plate 1021 is provided with a fourth through hole 10213, and the transmission shaft 406 passes through the fourth through holes 10213 and is rotatably connected to the side plates 1021 through bearings. Optionally, the side plate 1021 is provided with a fifth through hole 10214, and the tensioning wheel 412 is connected to the tensioning wheel 412 through a fastener, so that the tensioning wheel 412 can be rotatably connected to the fifth through hole 10214. Optionally, the side plate 1021 is provided with a ninth connection hole 10215, and the first sensor 408 can be fixedly connected through a fastener. Optionally, a fourth counter bore 10221 is formed at a four corner of the connecting plate 1022, a third card slot 10216 is formed in the side plate 1021, a threaded through hole is formed in the third card slot 10216, and a fastener penetrates through the fourth counter bore 10221 to be connected with the threaded through hole in the third card slot 10216, so that the connecting plate 1022 and the side wall can be fixed. Optionally, the side plate 1021 is provided with a threaded hole, and the limiting column 410 is fixedly connected to the side plate 1021. Optionally, as shown in fig. 6, the top plate 1011 has a fifth countersunk hole 10117, the side plate 1021 has a threaded hole, and the fastening member passes through the fifth countersunk hole 10117 to be connected with the threaded hole on the side plate 1021, so as to fixedly connect the side plate 1021 and the top plate 1011.

Further, the automatic vortex mixing apparatus also includes a control assembly for controlling the platen assembly 400 and the centrifuge assembly 200.

In this embodiment, as shown in fig. 1 to 7, when performing the automatic vortex mixing of the solution, the machine is turned on, and it is determined whether the pressing plate assembly 400 and the centrifugation assembly 200 are in the initial positions by sensing between the first sensor 408 and the first sensing piece 407 and between the second sensor 205 and the second sensing piece 204, and if the first sensor 408 cannot sense the first sensing piece 407 and/or the second sensor 205 cannot sense the second sensing piece 204, the second driving member 402 and the first driving member 201 are driven to make the pressing plate assembly 400 and the centrifugation assembly 200 in the initial positions; the second driving piece 402 is controlled by the control assembly to drive the driving wheel 403 to rotate, the driven wheel 405 and the transmission shaft 406 are driven by the synchronous belt 404 to rotate, so that the pressing plate 401 fixedly connected with the transmission shaft 406 is rotated to be opened and closed, the pressing plate 401 is completely opened and closed at the moment when the end surface of one side of the limiting block 409 fixedly connected with the transmission shaft 406 rotates to the position abutted to the limiting column 410, and the pressing plate 401 can be rotated to be opened and closed; the test tubes 2000 with different tube diameters are placed on the test tube rack 300 through the mechanical arm, and the test tubes 2000 with different tube diameters can be fixed through the first through hole 3011 and the second through hole 3021; the second driving piece 402 is controlled to drive through the control assembly, the pressing plate 401 is driven to be closed, and the pressing plate 401 stops until the end face of the other side of the limiting block 409 rotates to the position abutted to the limiting column 410, at the moment, the pressing plate 401 is completely closed and is located at the initial position, so that the axial limiting of the test tube 2000 can be realized, the axial limiting is arranged at intervals with the test tube 2000, the test tube 2000 can be prevented from directly contacting the pressing plate 401, and further the damage to the test tube 2000 is avoided; in addition, the pressing plate 401 is rotatably opened and closed, so that the use of space is reduced, and the space utilization rate is improved; then, the control assembly controls the first driving part 201 to drive the eccentric shaft 202 to drive the test tube rack 300 to do eccentric motion, so that the test tube 2000 can do vortex motion, the solution in the test tube 2000 can do vortex motion, and the vortex mixing of the solution is realized; after waiting that the vortex mixes a certain time, the first driving piece 201 of control assembly control stop motion, at this moment, respond to second response piece 204 through second sensor 205, make test-tube rack 300 stop in initial position, rethread control assembly control second driving piece 402 drive clamp plate 401 opens and shuts, the test tube 2000 after the vortex mixes is taken out to the arm, repeat above-mentioned step again, until closing the machine, at this moment, control assembly controllable clamp plate subassembly 400 and centrifugal component 200 all are in initial position, make things convenient for going on of vortex mixing next time.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. An automatic vortex mixing apparatus, comprising:

a holder (100);

the centrifugal assembly (200) comprises a first driving piece (201) fixedly arranged on the fixed frame (100) and an eccentric shaft (202) driven by the first driving piece (201) to eccentrically rotate;

the bottom of the test tube rack (300) is fixedly connected to the eccentric shaft (202) and is driven by the eccentric shaft (202) to eccentrically rotate, and the test tube (2000) is arranged on the test tube rack (300) and is driven by the test tube rack (300) to do vortex motion; and

pressing plate subassembly (400), including pressing plate (401) and second driving piece (402), second driving piece (402) fixed mounting in on mount (100), second driving piece (402) can drive pressing plate (401) rotate set up in the top of test-tube rack (300) and with test tube (2000) interval sets up, in order to right the axial displacement of test tube (2000) is spacing.

2. The automatic vortex mixing apparatus of claim 1, wherein the platen assembly (400) further comprises a driving wheel (403), a synchronous belt (404), a driven wheel (405), and a transmission shaft (406), the driving wheel (403) is connected to an output end of the second driving member (402), the driving wheel (403) and the driven wheel (405) are mounted on the fixed frame (100) and are in transmission connection with each other through the synchronous belt (404), the transmission shaft (406) is rotatably disposed on the fixed frame (100) and has one end fixedly connected to the driven wheel (405), and one end of the platen (401) is fixedly connected to the transmission shaft (406) and can rotate along with the transmission shaft (406).

3. The automatic vortex mixing apparatus of claim 2, wherein said pressure plate assembly (400) further comprises a first sensing tab (407) and a first sensor (408), said first sensor (408) mounted to said mount (100), said first sensing tab (407) fixedly mounted to the other end of said drive shaft (406), said first sensing tab (407) rotating with said drive shaft (406) and being sensitive to said first sensor (408).

4. The automatic vortex mixing device of claim 3, wherein the pressure plate assembly (400) further comprises a limiting block (409) and a limiting post (410), the limiting post (410) is disposed on the fixing frame (100), the limiting block (409) is sleeved on the transmission shaft (406) and clamped between the first sensing piece (407) and the fixing frame (100), and the limiting block (409) is of a fan-shaped structure and can rotate along with the transmission shaft (406) to one of two side end surfaces of the fan-shaped structure to abut against the limiting post (410).

5. The automatic vortex mixing apparatus of claim 1, wherein the test tube rack (300) comprises a first mounting rack (301), a second mounting rack (302) and a plurality of first posts (303), the first mounting rack (301) being fixedly attached to the second drive member (402), the plurality of first posts (303) being circumferentially equispaced along the first mounting rack (301) and being fixedly attached between the first mounting rack (301) and the second mounting rack (302).

6. The automatic vortex mixing device of claim 5, wherein the first mounting frame (301) is opened with a plurality of first through holes (3011), the second mounting frame (302) is opened with a plurality of second through holes (3021), the diameter of the first through holes (3011) is smaller than the outer diameter of the test tube (2000), the diameter of the second through holes (3021) is larger than the outer diameter of the test tube (2000), and the bottom of the test tube (2000) passes through the first through holes (3011) and the second through holes (3021) and is placed on the test tube rack (300).

7. The automated vortex mixing apparatus of any one of claims 1-6, wherein the first drive (201) comprises an absolute encoder configured to automatically position the test tube rack (300).

8. The automatic vortex mixing apparatus of any one of claims 1-6 wherein the centrifugal assembly (200) further comprises a coupling (203), a second sensing plate (204), and a second sensor (205), the coupling (203) being connected between the first drive member (201) and the eccentric shaft (202), the second sensing plate (204) being mounted on the coupling (203), the second sensor (205) being mounted on the stationary frame (100), the second sensing plate (204) rotating with the coupling (203) and being sensed by the second sensor (205).

9. The automated vortex mixing apparatus of any of claims 1-6, wherein the centrifuge assembly (200) further comprises a spring (206), the spring (206) being sleeved on the eccentric shaft (202) and sandwiched between the test tube rack (300) and the stationary rack (100).

10. The automated vortex mixing apparatus of any of claims 1-6, wherein the platen assembly (400) further comprises a cushion (411), the cushion (411) being disposed at a bottom of the platen (401).

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