CN117753567A - Desk-top powdered ore centrifuge is used in engineering material detection - Google Patents

Abstract

The invention discloses a desk type mineral powder centrifuge for engineering material detection, which comprises an outer shell, a controller, a centrifugal frame, a motor and a cover plate, wherein the outer shell is provided with a plurality of centrifugal holes; the inner container is installed in the inside of shell body, the front in the shell body is installed to the controller, the centrifuge frame is installed in the inside of inner container, the motor is installed in the bottom of inner container, the output shaft and the centrifuge frame transmission of motor are connected, the apron is installed in the top of shell body. When the centrifugal tube is used, the pull ring is pulled upwards and rotated by 90 degrees, and the central rotating rod drives the protrusion to rotate, so that the protrusion is propped against one end of the first sliding rod after rotating, and the first sliding rod is outwards propped out, so that the other end of the first sliding rod is propped against the side of the centrifugal tube, and the centrifugal tube is locked in the centrifugal tube seat.

Description

Desk-top powdered ore centrifuge is used in engineering material detection

Technical Field

The invention relates to the technical field of engineering detection, in particular to a table mineral powder centrifuge for engineering material detection.

Background

The desk type mineral powder large-capacity centrifuge (also called a mineral powder recycling instrument) adopts microcomputer control, digital display, a brushless motor and a touch panel, and is provided with various program protection. The operation is simple and convenient, the automatic balancing device has the advantages of automatic balancing function, low noise, multiple rotors for user sample selection, high separation efficiency and the like. The method is suitable for experiments in the fields of biology, medicine, agriculture and the like, and is a product of genetic gene and protein nucleic acid laboratory experiments.

Desk-top centrifuge among the prior art includes angle rotor and horizontal rotor two kinds, and centrifuging tube central line is different with rotation axis angle: when the horizontal rotor is static, the center line of the centrifugal tube in the rotor is parallel to the rotating shaft, and when the rotor is rotated and accelerated, the center line gradually transits from a parallel position to a position close to the vertical position of the rotating shaft, and when the rotor is decelerated, the center line of the centrifugal tube gradually approaches to the parallel position from the position close to the vertical position of the rotating shaft; the center line of the centrifugal tube in the angle rotor forms a fixed angle of 20-40 degrees with the rotating shaft, and the larger the angle is, the better the separation effect is.

However, when the angle rotor centrifuge in the prior art is used, after the centrifuge tube is placed on the centrifuge frame, a gap exists between the centrifuge tube and the centrifuge frame, the centrifuge tube cannot be well fixed, when centrifugal separation is carried out, the centrifuge frame stops after centrifugation, the inertial centrifuge tube can shake on the centrifuge frame, so that mineral powder in the centrifuge tube is unevenly mixed, the separation limit of the separated mineral powder is not clear, and the separation effect is poor.

Therefore, how to provide a desk-top mineral powder centrifuge for engineering material detection to solve the problems existing in the prior art, and has important significance for application.

Disclosure of Invention

In view of this, the purpose of this application provides a desk-top mineral powder centrifuge for engineering material detects to solve angle rotor centrifuge among the prior art when using, the centrifuging tube has the gap after placing on the centrifuge frame, can not be fine fix the centrifuging tube between centrifuging tube and the centrifuge frame, when carrying out centrifugal separation, the rotatory kinetic energy of centrifuge frame can lead to the centrifuging tube to produce vibrations on the centrifuge frame, thereby leads to the mineral powder separation limit after the separation to be unclear, the poor problem of separation effect.

In order to achieve the above purpose, the present invention provides the following technical solutions:

a desk type mineral powder centrifuge for engineering material detection comprises an outer shell, a controller, a centrifugal frame, a motor and a cover plate;

the centrifugal frame is arranged in the inner container, the motor is arranged at the bottom of the inner container, an output shaft of the motor is in transmission connection with the centrifugal frame, and the cover plate is arranged at the top end of the outer shell;

the centrifugal frame comprises a rotating column, a centrifugal tube seat and a connecting rod, wherein the connecting rod is arranged on the side of the rotating column in a surrounding mode, the centrifugal tube seat is fixedly connected with the connecting rod, a first sliding rod is connected with the connecting rod in a sliding mode, one end of the first sliding rod extends to the inside of the centrifugal tube seat, a cavity is formed in the rotating column, the other end of the first sliding rod extends to the cavity, a first stop block is fixedly connected with the middle of the first sliding rod, the first stop block is elastically connected with the connecting rod through a first spring, a fixing block is fixedly connected with the middle of the cavity, a center rotating rod is rotationally connected with the fixing block, a protrusion is fixedly connected with the surface of the center rotating rod, the protrusion is attached to the end face of the first sliding rod, and a pull ring is fixedly connected with the top of the center rotating rod.

Preferably, the middle part fixedly connected with second dog of center bull stick, through second spring elastic connection between second dog and the fixed block.

Preferably, square holes are formed in the bottom end of the cavity, the cross section of the bottom end of the center rotating rod is square, and the bottom end of the center rotating rod is clamped with the square holes.

Preferably, the centrifugal tube is connected to the centrifugal tube seat in a clamping manner, and an inclined centrifugal groove is formed in the centrifugal tube.

Preferably, one end of the first sliding rod extending to the inside of the centrifugal tube seat is provided with a concave, and the longitudinal section of the protrusion is semicircular.

Preferably, a sealing ring is arranged on the inner side of the cover plate, and the sealing ring is attached to the top end of the liner.

Compared with the prior art, the invention has the beneficial effects that:

according to the centrifugal tube locking device, the centrifugal tube and the centrifugal frame can be locked and fixed more stably, when the centrifugal tube locking device is used, the centrifugal tube is placed on the centrifugal tube seat, then the pull ring is pulled upwards and rotated by 90 degrees, the central rotating rod drives the protrusion to rotate, the protrusion is abutted against one end of the first sliding rod after rotating, the first sliding rod is ejected outwards, the other end of the first sliding rod is abutted against the side of the centrifugal tube, and the centrifugal tube is locked in the centrifugal tube seat.

The foregoing description is only a summary of the technical solutions of the present application, so that the technical means of the present application may be implemented according to the content of the specification, and so that the foregoing and other objects, features and advantages of the present application may be more clearly understood, the following detailed description of the preferred embodiments of the present application is given in conjunction with the accompanying drawings.

The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of the specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a cross-sectional view of the present invention;

FIG. 3 is a schematic view of the structure of the centrifuge basket according to the present invention;

FIG. 4 is a top view of a centrifuge basket according to the present invention;

FIG. 5 is a schematic view of a centrifuge basket according to a second embodiment of the present invention;

fig. 6 is an enlarged view at a of fig. 5.

In the figure: 1. an outer housing; 2. a controller; 3. a centrifugal frame; 4. an inner container; 5. a cover plate; 6. a seal ring; 7. a center rotating rod; 8. rotating the column; 9. a connecting rod; 10. a protrusion; 11. a first stopper; 12. a first spring; 13. a centrifugal tube seat; 14. centrifuging tube; 15. a first slide bar; 16. a second spring; 17. a second stopper; 18. a fixed block; 19. a cavity; 20. a pull ring; 21. a top plate; 22. a sleeve; 23. a movable groove; 24. a connecting rod; 25. a clamping groove; 26. a limit rod; 27. a clamping block; 28. a slip ring; 29. a third slide bar; 30. a fixed tube; 31. a third spring; 32. a third stopper; 33. a fourth stopper; 34. a fourth slide bar; 35. a lifting rod; 36. a locking groove; 37. a groove; 38. a motor; 39. and a fourth spring.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. In the following description, specific details such as specific configurations and components are provided merely to facilitate a thorough understanding of embodiments of the present application. It will therefore be apparent to those skilled in the art that various changes and modifications can be made to the embodiments described herein without departing from the scope and spirit of the application. In addition, descriptions of well-known functions and constructions are omitted in the embodiments for clarity and conciseness.

Furthermore, the present application may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: the terms "/and" herein describe another associative object relationship, indicating that there may be two relationships, e.g., a/and B, may indicate that: the character "/" herein generally indicates that the associated object is an "or" relationship.

It is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprise," "include," or any other variation thereof, are intended to cover a non-exclusive inclusion.

Example 1

Referring to fig. 1-3, the invention provides a technical scheme of a table type mineral powder centrifuge for engineering material detection, which comprises the following steps: comprises an outer shell 1, a controller 2, a centrifugal frame 3, a motor 38 and a cover plate 5;

the inner bag 4 is installed in the inside of shell 1, and the front in shell 1 is installed to controller 2, and centrifugal frame 3 is installed in the inside of inner bag 4, and motor 38 is installed in the bottom of inner bag 4, and the output shaft and the centrifugal frame 3 transmission of motor 38 are connected, and apron 5 is installed on the top of shell 1, and controller 2 and motor 38 electric connection.

When the mineral powder centrifugal experiment is carried out, the rotating speed of the motor 38 is set by the controller 2, then the motor 38 is started by the controller 2, and at the moment, the output shaft of the motor 38 drives the centrifugal frame 3 to rotate, so that the mineral powder is centrifuged.

The centrifugal frame 3 comprises a rotating column 8, centrifugal tube seats 13 and connecting rods 9, the number of the connecting rods 9 is eight, a group of the connecting rods 9 is arranged up and down, the upper connecting rods 9 and the lower connecting rods 9 are symmetrically distributed in a cross shape, one centrifugal tube seat 13 is fixed on the upper connecting rod 9 and the lower connecting rod 9, the number of the centrifugal tube seats 13 is four, the connecting rods 9 are circumferentially arranged on the side of the rotating column 8, the centrifugal tube seats 13 are fixedly connected with the connecting rods 9, a first sliding rod 15 is connected with the sliding of the connecting rods 9, one end of the first sliding rod 15 extends into the centrifugal tube seats 13, a cavity 19 is formed in the rotating column 8, the other end of the first sliding rod 15 extends into the cavity 19, a first stop block 11 is fixedly connected with the middle of the first sliding rod 15, the first stop block 11 is elastically connected with the connecting rods 9 through a first spring 12, a fixed block 18 is fixedly connected with the middle of the cavity 19, the middle part fixedly connected with fixed block 18 of cavity 19, fixed block 18 rotates and is connected with center bull stick 7, the fixed surface of center bull stick 7 is connected with protruding 10, protruding 10 is laminated mutually with the terminal surface of first slide bar 15, the top fixedly connected with pull ring 20 of center bull stick 7, the inclined centrifuge bowl has been seted up to centrifuging tube 14 inside, the bar groove of location has been seted up on centrifuging tube 14's surface, and centrifuging tube seat 13's inside is provided with the card strip, two mutual block, thereby ensure that the top in centrifuging tube is close to the central part of centrifugal frame 3 after the installation, can separate the powdered ore during the rotation, the one end that first slide bar 15 extends to centrifuging tube seat 13 inside sets up to the indent, the area of contact of first slide bar 15 and centrifuging tube 14 has been increased.

When the centrifugal tube 13 is used, the centrifugal tube 14 is placed in the centrifugal tube seat 13, the clamping strips and the strip-shaped grooves are clamped and positioned, then the pull ring 20 is rotated, at the moment, the protrusion 10 on the side of the center rotating rod 7 pushes the first sliding rod 15 outwards when the pull ring 20 rotates, so that one end of the first sliding rod 15 is forced to prop against the side of the centrifugal tube 14, the centrifugal tube 14 is firmly fixed on the centrifugal tube seat 13, the centrifugal tube 13 is prevented from shaking when the centrifugal frame 3 is about to stop, and mineral powder layering in the centrifugal tube 13 is more obvious.

The middle part fixedly connected with second dog 17 of center bull stick 7, through second spring 16 elastic connection between second dog 17 and the fixed block 18, second spring 16 is located the below of fixed frame 18, square hole has been seted up to the bottom of cavity 19, the cross section of center bull stick 7 bottom is square, the bottom and the square hole block of center bull stick 7, second spring 16 makes center bull stick 7 produce decurrent downforce, when needs rotate center bull stick 7, it upwards lifts center bull stick 7 through pull ring 20 at this moment, break away from square hole of center bull stick 7 bottom at this moment, then after 90 rotation, loosen pull ring 20 again, center bull stick 7 descends automatically and inserts square hole, realize the locking to center bull stick 7.

The centrifuge tube seat 13 is connected with a centrifuge tube 14 in a clamping manner, an inclined centrifuge groove is formed in the centrifuge tube 14, and in the embodiment, when the centrifuge tube 14 is arranged on the centrifuge tube seat 13, the centrifuge tube 14 is vertically arranged, but the centrifuge groove in the centrifuge tube 14 is in an inclined state, the centrifugal rotor is used for testing, and mineral powder is layered under the action of centrifugal force during rotation.

The inboard of apron 5 is provided with sealing washer 6, and sealing washer 6 is laminated mutually with the top of inner bag 4, and the leakproofness is better, noise abatement.

Example two

Unlike the first embodiment, the second embodiment is provided with the groove 37 at the bottom end of the centrifugal tube holder 13, the bottom end of the centrifugal tube holder 13 is fixedly connected with the sleeve 22, the inside of the sleeve 22 is slidably connected with the lifting rod 35, the top end of the lifting rod 35 is fixedly connected with the top plate 21, the top plate 21 is matched with the groove 37, the bottom end of the lifting rod 35 is fixedly connected with the fourth sliding rod 34, the bottom end of the fourth sliding rod 34 is fixedly connected with the fourth stop block 33, the surface of the fourth sliding rod 34 is sleeved with the fourth spring 39, the lifting rod 35 and the sleeve 22 are elastically connected through the fourth spring 39, the bottom end of the centrifugal tube holder 13 is fixedly connected with the fixed tube 30, the fixed tube 30 is slidably connected with the third sliding rod 29, the middle part of the third sliding rod 29 is fixedly connected with the third stop block 32, one end of the third stop block 32 is elastically connected with the fixed tube 30 through the third spring 31, one end of the third sliding rod 29 extends to one side of the inside lifting rod 35 of the sleeve 22 to form a locking groove 36, the locking groove 36 is in locking connection with the third sliding rod 29, and the locking end of the third sliding rod 29 is in a locking groove 36 is in a locking way.

After the centrifuge tube 14 is placed on the centrifuge tube seat 13, the centrifuge tube 14 presses the top plate 21 downwards, and in the process of descending the top plate 21, the third spring 31 drives the third sliding rod 29 to generate an outward force, so that the tail end of the third sliding rod 29 is inserted into the locking groove 36, the top plate 21 is engaged with the groove 37, and the bottom end inside the centrifuge tube seat 13 is a plane.

The bottom fixedly connected with connecting rod 24 of first slide bar 15, movable groove 23 has been seted up to the bottom of connecting rod 9, and connecting rod 24 and movable groove 23 sliding connection, the bottom fixedly connected with slip ring 28 of connecting rod 24, third slide bar 29 and slip ring 28 sliding connection, the inside swing joint of slip ring 28 has a plurality of fixture blocks 27, and the draw-in groove 25 has been seted up on the surface of third slide bar 29, and the draw-in groove 25 is connected with fixture block 27 block, and the avris of fixture block 27 is provided with gag lever post 26.

After the mineral powder is centrifuged, the centrifuge tube 14 needs to be taken out, pull ring 20 is pulled upwards at this moment, pull ring 20 is released after rotation, in the process, protrusion 10 rotates, first sliding rod 15 slides inwards, first sliding rod 15 does not prop against centrifuge tube 14 any more, clamping groove 25 and clamping block 27 are in the clamping state in the process of sliding inwards, at this moment, first sliding rod 15 drives third sliding rod 29 to move inwards through connecting rod 24, at this moment, tail end locking groove 36 of third sliding rod 29 enables top plate 21 to jack up upwards under the action of fourth spring 39, centrifuge tube 14 is jacked up for a distance, centrifuge tube 14 is convenient to take, because the clamping ends of third sliding rod 29 and locking groove 36 are inclined, lifting rod 35 can slowly ascend and avoid vibration when third sliding rod 29 is retracted passively.

When the centrifugal tube is particularly used, the centrifugal tube 14 filled with mineral powder is placed in the centrifugal tube seat 13, the clamping strips and the strip-shaped grooves are clamped and positioned, so that the top end of the centrifugal groove is close to the central part of the centrifugal frame 3 after the centrifugal tube 14 is installed, the top plate 21 is pressed downwards by the centrifugal tube 14, in the descending process of the top plate 21, the tail end of the third sliding rod 29 is inserted into the locking groove 36 due to the fact that the third spring 31 drives the third sliding rod 29 to generate an outward force, the top plate 21 is matched with the groove 37, the bottom end inside the centrifugal tube seat 13 is a plane, then the centrifugal tube 14 is locked, when the central rotating rod 7 needs to be rotated, the central rotating rod 7 needs to be lifted upwards through the pull ring 20, the bottom end of the central rotating rod 7 needs to be separated from the square hole, when the central rotating rod 7 needs to be rotated by 90 degrees, at this time, the bottom end of the center rotating rod 7 is separated from the square hole, after 90 degrees of rotation, the pull ring 20 is loosened again, the center rotating rod 7 automatically descends and is inserted into the square hole, locking of the center rotating rod 7 is achieved, in the process, the clamping groove 25 and the clamping block 27 are in a non-clamping state, after the ore powder is centrifuged, the centrifuge tube 14 needs to be taken out, the pull ring 20 is pulled upwards at this time, then the pull ring 20 is loosened after rotation, in the process, the protrusion 10 rotates, the first sliding rod 15 slides inwards, the first sliding rod 15 does not abut against the centrifuge tube 14 any more, in the process of sliding inwards, the clamping groove 25 and the clamping block 27 are in a clamping state, in this time, the first sliding rod 15 drives the third sliding rod 29 to move inwards through the connecting rod 24, at this time, the end locking groove 36 of the third sliding rod 29 makes the top plate 21 jack up upwards under the action of the fourth spring 39, so that the centrifuge tube 14 jacks up for a distance, the centrifuge tube 14 is convenient to take, and since the engagement end of the third sliding rod 29 and the locking groove 36 has an inclined plane, the lifting rod 35 can slowly rise when the third sliding rod 29 passively retreats, vibration is avoided, and the centrifuge tube 14 is convenient to take out.

The above description is only of the preferred embodiments of the present invention and it is not intended to limit the scope of the present invention, but various modifications and variations can be made by those skilled in the art. Variations, modifications, substitutions, integration and parameter changes may be made to these embodiments by conventional means or may be made to achieve the same functionality within the spirit and principles of the present invention without departing from such principles and spirit of the invention.

Claims (6)

1. The utility model provides a desk-top powdered ore centrifuge for engineering material detects which characterized in that: comprises an outer shell (1), a controller (2), a centrifugal frame (3), a motor (38) and a cover plate (5);

the inner container (4) is arranged in the outer shell (1), the controller (2) is arranged on the front surface of the outer shell (1), the centrifugal frame (3) is arranged in the inner container (4), the motor (38) is arranged at the bottom of the inner container (4), an output shaft of the motor (38) is in transmission connection with the centrifugal frame (3), and the cover plate (5) is arranged at the top end of the outer shell (1);

centrifugal frame (3) are including rotating post (8), centrifugal tube seat (13) and connecting rod (9), connecting rod (9) encircle the avris of installing at rotating post (8), centrifugal tube seat (13) and connecting rod (9) fixed connection, the sliding connection of connecting rod (9) has first slide bar (15), the one end of first slide bar (15) extends to inside centrifugal tube seat (13), cavity (19) have been seted up to the inside of rotating post (8), the other end of first slide bar (15) extends to cavity (19), the middle part fixedly connected with first dog (11) of first slide bar (15), through first spring (12) elastic connection between first dog (11) and connecting rod (9), the middle part fixedly connected with fixed block (18) of cavity (19), the one end of fixed block (18) rotates and is connected with center bull stick (7), the surface fixedly connected with arch (10) of center bull stick (7), protruding (10) and first bull stick (20) are laminated mutually, the top is connected with center bull stick (20).

2. A bench top mineral powder centrifuge for engineering material testing as defined in claim 1, wherein: the middle part of the center rotating rod (7) is fixedly connected with a second stop block (17), and the second stop block (17) is elastically connected with the fixed block (18) through a second spring (16).

3. A bench top mineral powder centrifuge for engineering material testing as defined in claim 1, wherein: the bottom of cavity (19) has seted up square hole, the cross section of center bull stick (7) bottom is square, the bottom and the square hole block of center bull stick (7).

4. A bench top mineral powder centrifuge for engineering material testing as defined in claim 1, wherein: the centrifugal tube seat (13) is internally clamped and connected with a centrifugal tube (14), and an inclined centrifugal groove is formed in the centrifugal tube (14).

5. A bench top mineral powder centrifuge for engineering material testing as defined in claim 1, wherein: one end of the first sliding rod (15) extending to the inside of the centrifugal tube seat (13) is arranged to be concave, and the longitudinal section of the protrusion (10) is semicircular.

6. A bench top mineral powder centrifuge for engineering material testing as defined in claim 1, wherein: the inner side of the cover plate (5) is provided with a sealing ring (6), and the sealing ring (6) is attached to the top end of the liner (4).