CN110859101A

CN110859101A - Multi-degree-of-freedom liquid-solid diffusion phase scattering system

Info

Publication number: CN110859101A
Application number: CN201911235660.7A
Authority: CN
Inventors: 陈秀方
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-03-06

Abstract

The invention discloses a multi-degree-of-freedom liquid-solid diffusion phase scattering system, which structurally comprises a liquid diffusion phase scattering module and a solid diffusion phase scattering module, wherein the liquid diffusion phase scattering module is connected with the solid diffusion phase scattering module, and compared with the prior art, the multi-degree-of-freedom liquid-solid diffusion phase scattering system has the beneficial effects that: according to the invention, through the combined arrangement of the rotation adjusting group, the spring group, the outer ring, the nut pair, the type guide piece and the pressing group, the caliber of the spring can be reduced through the rotation of the gear, so that the rubber gasket is compressed, the caliber of the nut pair body slightly changes, the nut pair can be well matched with the screw, the generation of a gap problem is avoided, the circumferential distance generated by the rotation of the screw is equal to the moving distance of the nut pair component, the accuracy of liquid-solid diffusion and scattering is improved, the gear rotation is based on the principle that like poles of magnets repel each other, the two gears can be prevented from being collided and abraded when being meshed, the gear sleeve can play a role in protecting the gears, and the service life of the gears is prolonged.

Description

Multi-degree-of-freedom liquid-solid diffusion phase scattering system

Technical Field

The invention relates to the technical field of motion control, in particular to a multi-degree-of-freedom liquid-solid diffusion phase scattering system.

Background

The gas-liquid and gas-solid multiphase flow exists in nature widely, and is widely applied to engineering, such as cloud rainfall, wind and sand storm and the like in nature, and the mixing and blending process of liquid fuel and solid fuel of aviation and aerospace engines and gas-phase oxidant.

In the scattering transmission equipment, the matching of the screw and the nut is the main part of the traditional transmission mechanism, and when the nut and the screw are matched, a certain gap is formed, and the generation of the gap can cause the moving amount of the nut to be smaller than the rotating circumferential distance of the screw, thereby influencing the accuracy of liquid-solid scattering.

Disclosure of Invention

The invention mainly aims to overcome the defects of the prior art and provide a multi-degree-of-freedom liquid-solid diffusion phase sowing system.

The invention is realized by adopting the following technical scheme: a multi-degree-of-freedom liquid-solid diffusion phase scattering system structurally comprises a liquid diffusion phase scattering module and a solid diffusion phase scattering module, wherein the liquid diffusion phase scattering module is connected with the solid diffusion phase scattering module;

the liquid diffusion phase spreading module comprises an extrusion type pressurizing unit, a pressure flow control unit and a first multi-degree-of-freedom motion control unit, wherein the extrusion type pressurizing unit is matched with the pressure flow control unit;

the solid diffusion phase scattering module comprises an electrically driven screw type scattering unit, a filtering unit and a second multi-degree-of-freedom motion control unit which are matched with each other;

the first multi-degree-of-freedom motion control unit and the second multi-degree-of-freedom motion control unit comprise ball screws, each ball screw comprises a screw rod and a nut pair assembly, and the screw rods are matched with the nut pair assemblies;

the nut pair assembly comprises a rotation adjusting group, a spring group, an outer ring, a nut pair, a U-shaped guide piece and a pressing group, the bottom of the nut pair is provided with the rotation adjusting group matched with the spring group, the spring group is in contact with the outer wall of the nut pair in a fitting mode, the U-shaped guide piece is evenly distributed on the outer wall of the nut pair, the U-shaped guide piece is matched with the spring group, the spring group is connected with the outer ring through the pressing group, and the nut pair is matched with the screw rod.

As optimization, the rotation adjusting set comprises a driving shaft, a driven gear, a driven shaft, a driving gear and a rotary table, wherein the rotary table is vertically connected to one end of the driving shaft, the driving shaft is provided with three or more driving gears in interference fit, the driving gear is engaged with the driven gear, the driven gear is installed on the driven shaft, and the driving gear and the driven gear are matched with the spring set.

Preferably, the driving gear comprises a gear sleeve and a gear, the gear sleeve is sleeved outside the gear, and the gear sleeve is matched with the spring assembly.

As an optimization, the gear sleeve comprises a gear block groove, a gear sleeve belt and a buckling block, the gear sleeve belt is evenly provided with the gear block groove which is arranged in an equidistant mode, the two tail ends of the gear sleeve belt are connected together through the buckling block, the buckling block is further connected with the gear, the gear block groove is matched with the gear, and the gear sleeve belt is made of an insulating material and is externally coated with a wear-resistant layer.

As optimization, the gear comprises a permanent magnet, a circular ring, tooth blocks, limiting blocks and clamping grooves, the tooth blocks are arranged at equal intervals on the outer wall of the circular ring, the clamping grooves are formed in all the tooth blocks, the permanent magnet is arranged in all the clamping grooves, the limiting blocks connected with the inner walls of the tooth blocks are arranged at one ends, facing the circular ring, of the permanent magnet, the limiting blocks are in contact with the permanent magnet, the tooth blocks are matched with the tooth block grooves, and the circular ring is mechanically connected with the buckling blocks.

As optimization, the spring group is including clockwork spring, linkage gear, pivot, winding wheel, the pivot is laid two side by side, every the pivot all is provided with the winding wheel that the equidistance formula was laid, the winding wheel all is connected with the one end of clockwork spring, one side of winding wheel all is equipped with the linkage gear with the pivot excessively complex, two side by side the linkage gear meshes mutually, clockwork spring and U type direction piece guide piece clearance fit, the clockwork spring contacts with the outer wall laminating of nut pair.

Preferably, the nut pair comprises a rubber gasket and a nut pair body, the gap of the nut pair body is provided with the rubber gasket in an I-shaped sheet structure, and the nut pair body is connected with the U-shaped guide sheet and is also in contact with the clockwork spring.

Preferably, the driving gear and the driven gear are the same gear, and the linkage gear and the driving gear have the same composition structure.

Advantageous effects

Compared with the prior art, the invention provides a multi-degree-of-freedom liquid-solid diffusion phase sowing system, which has the following beneficial effects:

according to the invention, through the combined arrangement of the rotation adjusting group, the spring group, the outer ring, the nut pair, the type guide sheet and the pressing group, the driving shaft is rotated through rotating the turntable, so that the driving gear is linked, the driven gear rotates in the opposite direction to drive the respective meshed linkage gears to rotate, and further the rotating shaft rotates along with the rotation shaft, so that the winding wheel is linked along with the driving gear, and the spring is wound in the inner winding manner, so that the caliber of the spring is reduced, the rubber gasket is compressed, the caliber of the nut pair body slightly changes, the nut pair can be well matched with the screw rod, the generation of a gap problem is avoided, the circumferential distance generated by the rotation of the screw rod is equal to the moving distance of the nut pair component, and the accuracy of liquid-solid diffusion and scattering is improved.

According to the invention, through the combined arrangement of the tooth block groove, the tooth sleeve belt, the permanent magnet and the tooth block, the permanent magnet is arranged in the tooth block, the permanent magnets of the two gear tooth blocks are of the same polarity, and are opposite, so that the two gears can be prevented from being collided and abraded during meshing based on the principle that the same polarities of the magnets repel each other, the gear sleeve is arranged to protect the gears, the tooth sleeve belt is in micro contact during meshing transmission, the tooth block is not in direct contact, and the service life of the gears is prolonged.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of a multi-degree-of-freedom liquid-solid diffusion phase sowing system.

Fig. 2 is a schematic structural view of the ball screw of the present invention.

Fig. 3 is a schematic structural view of the nut subassembly of the present invention.

Fig. 4 is a schematic structural diagram of the rotation adjusting group of the present invention.

FIG. 5 is a schematic view of a driving gear of the present invention.

Fig. 6 is a schematic view of the structure of the gear of the present invention.

FIG. 7 is a schematic view of the structure of the nut pair of the present invention cooperating with the U-shaped guide plate and the spring assembly.

Fig. 8 is a schematic structural view of the gear sleeve of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

the device comprises a liquid diffusion phase spreading module-1, a solid diffusion phase spreading module-2, an extrusion type pressurizing unit-11, a pressure flow control unit-12, a first multi-degree-of-freedom motion control unit-13, an electric drive screw type spreading unit-21, a filtering unit-22, a second multi-degree-of-freedom motion control unit-23, a ball screw rod-30, a screw rod-301, a nut pair assembly-302, a rotation adjusting group-D1, a spring group-D2, an outer ring-D3, a nut pair-D4, a U-shaped guide sheet-D5, a pressing group-D6, a driving shaft-D11, a driven gear-D12, a driven shaft-D13, a driving gear-D14, a rotary disc-D15, a gear sleeve-Da, a gear-Db, a tooth block groove-Da 1, a tooth sleeve belt-Da 2, The nut comprises a buckling block-Da 3, a permanent magnet-Db 1, a circular ring-Db 2, a tooth block-Db 3, a limiting block-Db 4, a clamping groove-Db 5, a clockwork spring-D21, a linkage gear-D22, a rotating shaft-D23, a winding wheel-D24, a rubber gasket-D41 and a nut pair body-D42.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-8, the present invention provides a multi-degree of freedom liquid-solid diffusion phase seeding system: the structure of the device comprises a liquid diffusion phase spreading module 1 and a solid diffusion phase spreading module 2, wherein the liquid diffusion phase spreading module 1 is connected with the solid diffusion phase spreading module 2;

the liquid diffusion phase spreading module 1 comprises an extrusion type pressurizing unit 11, a pressure flow control unit 12 and a first multi-degree-of-freedom motion control unit 13, wherein the extrusion type pressurizing unit 11 and the pressure flow control unit 12 are matched with each other, so that the control of the volume fraction of the liquid diffusion phase can be realized;

the solid diffusion phase scattering module 2 comprises an electric drive screw type scattering unit 21, a filtering unit 22 and a second multi-degree-of-freedom motion control unit 23 which are matched with each other, the electric drive screw type scattering unit 21 can realize the control of the volume fraction of the solid diffusion phase, and the filtering unit is used for controlling the particle size distribution of the diffusion phase;

the first multi-degree-of-freedom motion control unit 13 and the second multi-degree-of-freedom motion control unit 23 both comprise a ball screw 30, the ball screw 30 comprises a screw 301 and a nut pair assembly 302, the screw 301 is matched with the nut pair assembly 302, and the ball screw 30 is arranged to be moved to broadcast in different directions;

the nut pair assembly 302 comprises a rotation adjusting group D1, a spring group D2, an outer ring D3, a nut pair D4, a U-shaped guide plate D5 and a pressing group D6, the bottom of the nut pair D4 is provided with the rotation adjusting group D1 matched with the spring group D2, the spring group D2 is in contact with the outer wall of the nut pair D4 in an attaching mode, the U-shaped guide plates D5 are uniformly distributed on the outer wall of the nut pair D4, the U-shaped guide plate D5 is matched with the spring group D2, the spring group D2 is connected with the outer ring D3 through the pressing group D6, and the nut pair D4 is matched with a screw 301.

Rotation regulation group D1 is including driving shaft D11, driven gear D12, driven shaft D13, driving gear D14, carousel D15, the one end of driving shaft D11 is connected with carousel D15 perpendicularly, interference fit has three and above driving gear D14 on driving shaft D11, driving gear D14 all meshes driven gear D12, driven gear D12 is installed on driven shaft D13, driving gear D14, driven gear D12 all cooperate with clockwork group D2, the setting of rotation regulation group D1 lies in providing power for clockwork group D2 for clockwork spring D21 can stretch out and draw back.

The driving gear D14 comprises a gear sleeve Da and a gear Db, the gear Db is sleeved with the gear sleeve Da, and the gear sleeve Da is matched with the spring group D2.

The gear sleeve Da comprises a gear block groove Da1, a gear sleeve belt Da2 and a buckling block Da3, wherein gear block grooves Da1 which are arranged in an equidistant mode are uniformly distributed on the gear sleeve belt Da2, the two tail ends of the gear sleeve belt Da2 are connected together through a buckling block Da3, the buckling block Da3 is further connected with a gear Db, the gear block groove Da1 is matched with the gear Db, the gear sleeve Da is arranged to protect the gear Db, the gear sleeve belt Da2 is in micro contact when in meshing transmission, the gear blocks are not in direct contact, the service life of the gear Db is prolonged, and the gear sleeve belt Da2 is made of an insulating material and is externally coated with a wear-resistant layer.

The gear Db comprises a permanent magnet Db1, a circular ring Db2, tooth blocks Db3, limiting blocks Db4 and a clamping groove Db5, wherein the outer wall of the circular ring Db2 is uniformly provided with the tooth blocks Db3 which are arranged in an equidistant mode, each tooth block Db3 is provided with a clamping groove Db5, each clamping groove Db5 is internally provided with a permanent magnet Db1, one end, facing the circular ring Db2, of each permanent magnet Db1 is provided with a limiting block Db4 connected with the inner wall of a tooth block Db3, each limiting block Db4 is in contact with a permanent magnet Db1, each tooth block Db3 is matched with a corresponding tooth block groove Da1, the circular ring Db2 is mechanically connected with a buckling block Da3, and the permanent magnets Db1 are arranged on the basis of the principle that like poles of magnets repel each other, so that the two gears can be prevented from colliding and being abraded when.

The spring group D2 comprises a spring D21, two linkage gears D22, rotating shafts D23 and a winding wheel D24, the rotating shafts D23 are arranged side by side, each rotating shaft D23 is provided with a winding wheel D24 arranged in an equidistant mode, the winding wheel D24 is connected with one end of a spring D21, one side of the winding wheel D24 is provided with a linkage gear D22 excessively matched with the rotating shaft D23, the two linkage gears D22 are meshed side by side, the spring D21 is in clearance fit with a U-shaped guide sheet D5, the spring D21 is in fit contact with the outer wall of a nut pair D4, the spring group D2 is arranged to apply force to the nut pair D4, the caliber of the nut pair D4 can be slightly reduced, and the nut pair D4 can be well matched with a screw 301.

The nut pair D4 comprises a rubber gasket D41 and a nut pair body D42, the gap of the nut pair body D42 is provided with the rubber gasket D41 of an I-shaped structure, the nut pair body D42 is connected with a U-shaped guide piece D5 and is also in contact with a clockwork spring D21, and the rubber gasket D41 is arranged on the basis of elasticity, so that the nut pair body D42 can be slightly adjusted, the nut pair body D8524 can be better matched with the screw 301, the gap problem is avoided, the circumferential distance generated by the rotation of the screw is equal to the moving distance of the nut pair assembly, and the liquid-solid diffusion scattering accuracy is improved.

The driving gear D14 and the driven gear D12 are the same gear, and the linkage gear D22 and the driving gear D14 are the same in composition structure, so that the friction coefficient during meshing can be reduced, and the gear block is prevented from being abraded.

The working principle of the invention is as follows: by rotating the turntable D15, the driving shaft D11 rotates, so that the driving gear D14 is linked, the driven gear D12 rotates in the opposite direction, the respective meshed linked gear D22 is driven to rotate, the rotating shaft D23 rotates along with the rotating shaft D23, the winding wheel D24 is linked along with the driven gear D12, the winding spring D21 is wound, the caliber of the winding spring D21 is reduced, the rubber gasket D41 is compressed, the caliber of the nut pair body D42 slightly changes, the nut pair D4 can be well matched with the screw 301, and the gap problem is avoided;

two linkage gears D22 mesh, namely driving gear D14 and driven gear D12 mesh when transmitting, because tooth block Db3 embeds has permanent magnet Db1, two gear tooth block's permanent magnet Db1 is like magnetic pole relative, based on the like magnetic repulsion principle of magnet, can prevent that two gears from colliding and wearing and tearing when meshing, gear sleeve Da sets up and lies in the effect of protection to gear Db, during mesh transmission, gear sleeve area Da2 takes place the micro-contact, and the tooth block directly takes place the contact, improves gear Db's life.

In summary, the technical progress obtained by the invention compared with the prior art is as follows: according to the invention, through the combined arrangement of the rotation adjusting group, the spring group, the outer ring, the nut pair, the type guide piece and the pressing group, the caliber of the spring can be reduced through the rotation of the gear, so that the rubber gasket is compressed, the caliber of the nut pair body slightly changes slightly, the nut pair can be well matched with the screw, the generation of a gap problem is avoided, the circumferential distance generated by the rotation of the screw is equal to the moving distance of the nut pair component, the precision of liquid-solid diffusion and scattering is improved, the gear rotation is based on the principle that like poles of magnets repel each other, the two gears can be prevented from being collided and abraded during meshing, the gear sleeve can play a role in protecting the gears, when in meshing transmission, the gear sleeve belt is in micro contact, the gear blocks are not in direct contact, and the service life of the gears is prolonged.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. A multi-degree-of-freedom liquid-solid diffusion phase scattering system structurally comprises liquid diffusion phase scattering modules (1) and solid diffusion phase scattering modules (2) which are connected with each other;

the liquid diffusion phase spreading module (1) comprises an extrusion type pressurizing unit (11), a pressure flow control unit (12) and a first multi-degree-of-freedom motion control unit (13);

the solid diffusion phase scattering module (2) comprises an electric drive screw type scattering unit (21), a filtering unit (22) and a second multi-degree-of-freedom motion control unit (23) which are matched with each other;

the first multi-degree-of-freedom motion control unit (13) and the second multi-degree-of-freedom motion control unit (23) respectively comprise a ball screw (30), the ball screw (30) comprises a screw (301) and a nut pair assembly (302) which are matched with each other, and the multi-degree-of-freedom motion control device is characterized in that:

nut side subassembly (302) are including rotating regulation group (D1), spring group (D2), outer ring (D3), the vice (D4) of nut, U type guide plate (D5), compress tightly group (D6), nut is vice (D4) to be equipped with at the bottom and adjusts group (D1) with spring group (D2) complex rotation, spring group (D2) and the vice (D4) of nut, the contact of U type guide plate (D5), U type guide plate (D5) are fixed in nut vice (D4), spring group (D2) are connected with outer ring (D3) through compressing tightly group (D6), nut vice (D4) and screw (301) cooperation.

2. The multiple degree of freedom liquid-solid dispersion phase seeding system according to claim 1, wherein: rotation regulation group (D1) is including driving shaft (D11), driven gear (D12), driven shaft (D13), driving gear (D14), carousel (D15), carousel (D15) links to each other with driving shaft (D11) that has driving gear (D14), driving gear (D14) all meshes driven gear (D12) with driven shaft (D13) complex, driving gear (D14), driven gear (D12) all cooperate with hair strip group (D2).

3. The multiple degree of freedom liquid-solid dispersion phase seeding system according to claim 2, wherein: the driving gear (D14) comprises a gear sleeve (Da) and a gear (Db) which are matched with each other, and the gear sleeve (Da) is matched with the clockwork spring group (D2).

4. The multiple degree of freedom liquid-solid dispersion phase seeding system according to claim 3, wherein: the gear sleeve (Da) comprises gear block grooves (Da1), gear sleeve belts (Da2) and buckling blocks (Da3), the gear sleeve belts (Da2) are provided with gear block grooves (Da1) matched with the gears (Db), two ends of the gear sleeve belts (Da2) are connected through the buckling blocks (Da3), the buckling blocks (Da3) are further connected with the gears (Db), and the gear sleeve belts (Da2) are externally coated with wear-resistant layers.

5. The multiple-degree-of-freedom liquid-solid diffusion phase seeding system according to claim 3 or 4, wherein: the gear (Db) comprises a permanent magnet (Db1), a ring (Db2), a tooth block (Db3), a limiting block (Db4) and a clamping groove (Db5), wherein the ring (Db2) is uniformly provided with the tooth blocks (Db3) with the clamping groove (Db5), the permanent magnet (Db1) and the limiting block (Db4), the limiting block (Db4) is in contact with the permanent magnet (Db1), the tooth block (Db3) is matched with the tooth block groove (Da1), and the ring (Db2) is connected with the buckling block (Da 3).

6. The multiple-degree-of-freedom liquid-solid diffusion phase seeding system according to claim 1 or 2, wherein: spring group (D2) is including clockwork spring (D21), linkage gear (D22), pivot (D23), winding wheel (D24), pivot (D23) is laid two side by side, every pivot (D23) all are equipped with linkage gear (D22) and winding wheel (D24) be connected with clockwork spring (D21), two side by side linkage gear (D22) mesh mutually, clockwork spring (D21) and U type guide plate (D5) cooperation, the contact of clockwork spring (D21) and nut pair (D4).

7. The multiple degree of freedom liquid-solid dispersion phase seeding system according to claim 1, wherein: the nut pair (D4) comprises a rubber gasket (D41) and a nut pair body (D42), the rubber gasket (D41) is arranged at the notch of the nut pair body (D42), and the nut pair body (D42) is connected with a U-shaped guide piece (D5) and is in contact with a clockwork spring (D21).

8. The multiple degree of freedom liquid-solid dispersion phase seeding system according to claim 3, wherein: the driving gear (D14) and the driven gear (D12) are the same gear, and the linkage gear (D22) and the driving gear (D14) are the same in composition structure.