CN112283269B - Intelligent fabric conveying anti-stall device based on magnetorheological fluid - Google Patents
Intelligent fabric conveying anti-stall device based on magnetorheological fluid Download PDFInfo
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- CN112283269B CN112283269B CN202011053655.7A CN202011053655A CN112283269B CN 112283269 B CN112283269 B CN 112283269B CN 202011053655 A CN202011053655 A CN 202011053655A CN 112283269 B CN112283269 B CN 112283269B
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- electromagnet
- fixedly connected
- rotating shaft
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- device based
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D57/00—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders
- F16D57/002—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders comprising a medium with electrically or magnetically controlled internal friction, e.g. electrorheological fluid, magnetic powder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H26/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms
- B65H26/02—Warning or safety devices, e.g. automatic fault detectors, stop-motions, for web-advancing mechanisms responsive to presence of irregularities in running webs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
- F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D59/00—Self-acting brakes, e.g. coming into operation at a predetermined speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D43/00—Automatic clutches
- F16D43/02—Automatic clutches actuated entirely mechanically
- F16D43/04—Automatic clutches actuated entirely mechanically controlled by angular speed
- F16D43/14—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members
- F16D2043/145—Automatic clutches actuated entirely mechanically controlled by angular speed with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members the centrifugal masses being pivoting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/18—Electric or magnetic
- F16D2121/20—Electric or magnetic using electromagnets
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The utility model provides an intelligent surface fabric conveying anti-stall device based on magnetorheological suspensions, relates to garment materials technical field, an intelligent surface fabric conveying anti-stall device based on magnetorheological suspensions, which comprises a base, the turn trough has been seted up to the inboard of base, and the inner wall swing joint of turn trough has two symmetrical piston blocks of each other, and the inner wall fixedly connected with electromagnet of piston block, the inner wall cass of piston block have the through-hole, the outside fixedly connected with connecting rod of piston block, and the middle part swing joint of base has the pivot. This intelligent surface fabric conveying prevents stall device based on magnetorheological suspensions uses through the cooperation of electromagnet and through-hole, and when conveyer skidded, the pivot was in overspeed rotating state, and at this moment the electromagnet was in the on-state, made the magnetorheological suspensions viscosity in the through-hole rise to effectively hinder the activity of piston piece, thereby the rotation of restriction pivot makes the pivot slow down, thereby has reached the effect that prevents conveyer and skid, has guaranteed conveyer's production efficiency.
Description
Technical Field
The invention relates to the technical field of garment materials, in particular to an intelligent fabric conveying anti-stall device based on magnetorheological fluid.
Background
The cloth is a commonly used material in decorative materials, and comprises various cloth materials such as chemical fiber carpets, non-woven wallcoverings, linen, nylon cloth, colored tapes, flannel and the like, the cloth materials play a considerable role in decoration and display, and are often main forces which can not be ignored in the whole sale space.
Present surface fabric conveying equipment is using, and the condition of skidding between transfer roller and the surface fabric often can appear, leads to the surface fabric to convey to appear being interrupted, leads to the surface fabric at back to be difficult to follow subsequent production step, leads to production efficiency greatly reduced, simultaneously, must close conveyer after skidding and just can adjust, leads to the production progress further to be delayed, and the practicality is lower.
Therefore, an intelligent fabric conveying anti-stall device based on magnetorheological fluid is provided to solve the problems.
Disclosure of Invention
The invention adopts the following technical scheme for realizing the technical purpose: the utility model provides an intelligent surface fabric conveying stall prevention device based on magnetorheological suspensions, the on-line screen storage device comprises a base, the turn trough has been seted up to the inboard of base, the inner wall swing joint of turn trough has the piston piece of two symmetries of each other, the inner wall fixedly connected with electromagnet of piston piece, the through-hole has been seted up to the inner wall of piston piece, the outside fixedly connected with connecting rod of piston piece, the middle part swing joint of base has the pivot, the top and the equal fixedly connected with magnetic path in bottom of pivot, the equal fixedly connected with spring of inner wall of pivot both sides, the outside fixedly connected with slider of spring, the dielectric plate of inner wall fixedly connected with of slider, the inner wall of pivot just is close to the top fixedly connected with positive plate of slider, the inner wall of pivot just is close to the bottom fixedly connected with negative plate of slider, the inner wall fixedly connected with resistance of pivot.
The invention has the following beneficial effects:
1. this intelligent surface fabric conveying prevents stall device based on magnetorheological suspensions uses through the cooperation of electromagnet and through-hole, and when conveyer skidded, the pivot was in overspeed rotating state, and at this moment the electromagnet was in the on-state, made the magnetorheological suspensions viscosity in the through-hole rise to effectively hinder the activity of piston piece, thereby the rotation of restriction pivot makes the pivot slow down, thereby has reached the effect that prevents conveyer and skid, has guaranteed conveyer's production efficiency.
2. This intelligent surface fabric conveying prevents stall device based on magnetorheological suspensions uses through the cooperation of dielectric plate and resistance, and when conveyer skidded, this moment dielectric plate outwards removes, increases the relative area of positive plate and negative plate to the biggest, and the circuit voltage through the negative plate at this moment is greater than the minimum path voltage of resistance, makes the circuit path of electromagnet to reach the effect of control electromagnet circuit intercommunication condition, improved the sensitivity of device.
Furthermore, the base is made of hard high-strength materials and does not have magnetic conductivity and electric conductivity, the base plays a role in fixing all parts, the rotary groove is annular, the size of the rotary groove is smaller than that of the base, and the rotary groove plays a role in facilitating movement of the piston block and storage of magnetorheological fluid.
Furthermore, the piston block is made of hard high-strength materials and does not have magnetic conductivity and electrical conductivity, the piston block plays a role in transmission, the magnetism of the inner side of the top of the electromagnet is opposite to that of the outer side of the magnetic block, the size of the electromagnet is smaller than that of the piston block, and the electromagnet plays a role in magnetic transmission.
Further, the size of the through hole is smaller than that of the piston block, the through hole is in a circular hole shape, the through hole plays a role in facilitating flowing of magnetorheological fluid, the connecting rod is made of a hard high-strength material and is in a circular arc shape, the connecting rod plays a role in connecting the piston block together, the rotating shaft is cylindrical and plays an active role, the magnetic block is made of a rubidium magnet material and is in a straight shape, and the magnetic block plays a role in magnetic transmission.
Further, the spring is an extension spring, the diameter of the spring is smaller than the radius of the rotating shaft, the spring plays a role in enabling the sliding block to contract towards the inner side, the sliding block is made of hard high-strength materials, the sliding block is made of materials with small friction coefficient, and the sliding block plays a role in transmission.
Further, the size of the dielectric plate is smaller than that of the slider and the number of the dielectric plates is two, the dielectric plates play a role in changing circuit voltage, the resistor is a piezoresistor, the minimum path voltage of the resistor is smaller than the maximum circuit voltage of the negative plate, and the resistor plays a role in controlling the connection condition of the electromagnet circuit.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged partial view of the portion A of FIG. 1;
FIG. 3 is a schematic view of the outward movement structure of the slider according to the present invention;
FIG. 4 is an enlarged partial view of the portion B in FIG. 3 according to the present invention.
In the figure: 1. a base; 2. rotating the groove; 3. a piston block; 4. an electromagnet; 5. a through hole; 6. a connecting rod; 7. a rotating shaft; 8. a magnetic block; 9. a spring; 10. a slider; 11. a dielectric plate; 12. a positive plate; 13. a negative plate; 14. and (4) resistance.
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.
Referring to fig. 1-4, an intelligent fabric conveying anti-stall device based on magnetorheological fluid comprises a base 1, the base 1 is made of a hard high-strength material, the base 1 does not have magnetic conductivity and electric conductivity, the base 1 plays a role in fixing various parts, a rotary groove 2 is in a circular ring shape, the size of the rotary groove 2 is smaller than that of the base 1, the rotary groove 2 plays a role in facilitating movement of a piston block 3 and storage of the magnetorheological fluid, the rotary groove 2 is formed in the inner side of the base 1, two mutually symmetrical piston blocks 3 are movably connected to the inner wall of the rotary groove 2, the piston block 3 is made of a hard high-strength material, the piston block 3 does not have magnetic conductivity and electric conductivity, the piston block 3 plays a transmission role, the magnetism of the inner side of the top of an electromagnet 4 is opposite to that of a magnet block 8, the size of the electromagnet 4 is smaller than that of the piston block 3, the electromagnet 4 plays a magnetic transmission role, and the electromagnet 4 is fixedly connected to the inner wall of the piston block 3.
Through-hole 5 has been seted up to the inner wall of piston piece 3, the size of through-hole 5 is less than the size of piston piece 3 and the shape of through-hole 5 is the round hole form, through-hole 5 plays the effect of being convenient for magnetorheological suspensions to flow, the material of connecting rod 6 is stereoplasm high strength material and the shape of connecting rod 6 is circular-arc, connecting rod 6 plays the effect of connecting piston piece 3 together, the shape of pivot 7 is cylindric, pivot 7 plays the effect of initiative, the material of magnetic path 8 is rubidium magnet material and the shape of magnetic path 8 is a style of calligraphy, magnetic path 8 plays the effect of magnetic transmission, the outside fixedly connected with connecting rod 6 of piston piece 3, the middle part swing joint of base 1 has pivot 7, the top and the bottom of pivot 7 all fixedly connected with magnetic path 8, the inner wall of pivot 7 both sides all fixedly connected with spring 9, spring 9 is extension spring and the diameter of spring 9 is less than the radius of pivot 7, spring 9 plays the effect of making slider 10 to contract to the inboard.
The material of the slider 10 is a hard high-strength material, the friction coefficient of the material of the slider 10 is small, the slider 10 plays a role in transmission, the slider 10 is fixedly connected to the outer side of the spring 9, a dielectric plate 11 is fixedly connected to the inner wall of the slider 10, the size of the dielectric plate 11 is smaller than that of the slider 10, the number of the dielectric plates 11 is two, the dielectric plate 11 plays a role in changing circuit voltage, the resistor 14 is a piezoresistor, the minimum path voltage of the resistor 14 is smaller than the maximum circuit voltage passing through the negative plate 13, the resistor 14 plays a role in controlling the circuit connection state of the electromagnet 4, the positive plate 12 is fixedly connected to the inner wall of the rotating shaft 7 close to the top of the slider 10, the negative plate 13 is fixedly connected to the inner wall of the rotating shaft 7 close to the bottom of the slider 10, and the resistor 14 is fixedly connected to the inner wall of the rotating shaft 7.
The working principle is as follows: when the conveying device is normally used, as shown in fig. 1, at this time, the rotating speed of the rotating shaft 7 is normal, the slider 10 is contracted into the inner side of the rotating shaft 7 under the action of the spring 9, and at this time, the dielectric plate 11 reduces the relative area of the positive plate 12 and the negative plate 13 to the minimum, and at this time, the circuit voltage passing through the negative plate 13 is smaller than the minimum path voltage of the resistor 14, so that the resistor 14 is in an open circuit state, the electromagnet 4 is in an open circuit state, magnetism is not generated, the viscosity of the magnetorheological fluid is low at this time, and the piston block 3 can freely move;
when the transmission device slips, the rotating speed of the rotating shaft 7 is increased at the moment, the sliding block 10 moves outwards under the action of centrifugal force, the relative area of the positive plate 12 and the negative plate 13 is increased to the maximum by the dielectric plate 11, the circuit voltage of the negative plate 13 is larger than the minimum path voltage of the resistor 14 at the moment, the resistor 14 is in a path state, the electromagnet 4 is also in a power-on state and generates magnetism, meanwhile, the magnetism inside the electromagnet 4 is opposite to that outside the magnetic block 8, the piston block 3 is driven by the rotating shaft 7 to move together, the viscosity of magnetorheological fluid is increased due to the magnetism of the electromagnet 4, the viscosity of the magnetorheological fluid in the through hole 5 is increased, the piston block 3 is difficult to move, meanwhile, the rotation of the rotating shaft 7 is blocked due to the mutual attraction of the electromagnet 4 and the magnetic block 8, and the effect of preventing the transmission device from slipping is achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides an intelligent surface fabric conveying stall prevention device based on magnetorheological suspensions, includes base (1), its characterized in that: the inner side of the base (1) is provided with a rotary groove (2), the inner wall of the rotary groove (2) is movably connected with two mutually symmetrical piston blocks (3), the inner wall of each piston block (3) is fixedly connected with an electromagnet (4), the inner wall of each piston block (3) is provided with a through hole (5), the outer side of each piston block (3) is fixedly connected with a connecting rod (6), the middle part of the base (1) is movably connected with a rotating shaft (7), the top and the bottom of each rotating shaft (7) are both fixedly connected with a magnetic block (8), the inner walls on the two sides of each rotating shaft (7) are both fixedly connected with a spring (9), the outer side of each spring (9) is fixedly connected with a sliding block (10), the inner wall of each sliding block (10) is fixedly connected with a dielectric plate (11), the inner wall of each rotating shaft (7) and the top close to the corresponding sliding block (10) are fixedly connected with a positive plate (12), the inner wall of each rotating shaft (7) and the bottom close to the corresponding sliding block (10) are fixedly connected with a negative plate (13), and the inner wall of the corresponding rotating shaft (7) is fixedly connected with a resistor (14);
the magnetism of the inner side of the top of the electromagnet (4) is opposite to that of the outer side of the magnetic block (8), and the size of the electromagnet (4) is smaller than that of the piston block (3);
the size of the dielectric plate (11) is smaller than that of the slider (10), the number of the dielectric plates (11) is two, the resistor (14) is a piezoresistor, and the minimum path voltage of the resistor (14) is smaller than the maximum circuit voltage of the negative plate (13);
when the transmission device slips, the rotating speed of the rotating shaft (7) is increased, the sliding block (10) can move outwards under the action of centrifugal force, the relative area of the positive plate (12) and the negative plate (13) is increased to the maximum by the dielectric plate (11), the circuit voltage passing through the negative plate (13) is larger than the minimum path voltage of the resistor (14), at the moment, the resistor (14) is in a path state, the electromagnet (4) is also in a power-on state and generates magnetism, meanwhile, the magnetism of the inner side of the electromagnet (4) is opposite to that of the outer side of the magnetic block (8), the piston block (3) can be driven by the rotating shaft (7) to move together, the viscosity of magnetorheological fluid is increased due to the magnetism of the electromagnet (4), the viscosity of the magnetorheological fluid in the through hole (5) is increased, the piston block (3) is difficult to move, and meanwhile, the rotation of the rotating shaft (7) can be blocked due to the mutual attraction of the electromagnet (4) and the magnetic block (8), and therefore the transmission device is prevented from slipping.
2. The intelligent fabric conveying anti-stall device based on the magnetorheological fluid, according to claim 1, is characterized in that: the base (1) is made of hard high-strength material, and the base (1) does not have magnetic conductivity and electric conductivity.
3. The intelligent fabric conveying stall prevention device based on magnetorheological fluid as claimed in claim 1, wherein: the rotary groove (2) is annular, and the size of the rotary groove (2) is smaller than that of the base (1).
4. The intelligent fabric conveying anti-stall device based on the magnetorheological fluid, according to claim 1, is characterized in that: the piston block (3) is made of hard high-strength materials, and the piston block (3) does not have magnetic permeability and electric conductivity.
5. The intelligent fabric conveying stall prevention device based on magnetorheological fluid as claimed in claim 1, wherein: the size of the through hole (5) is smaller than that of the piston block (3), the shape of the through hole (5) is a circular hole, the connecting rod (6) is made of a hard high-strength material, the connecting rod (6) is arc-shaped, the rotating shaft (7) is cylindrical, the magnetic block (8) is made of a rubidium magnet material, and the magnetic block (8) is in a straight shape.
6. The intelligent fabric conveying anti-stall device based on the magnetorheological fluid, according to claim 1, is characterized in that: the spring (9) is an extension spring, the diameter of the spring (9) is smaller than the radius of the rotating shaft (7), the sliding block (10) is made of hard high-strength materials, and the friction coefficient of the sliding block (10) is small.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011053655.7A CN112283269B (en) | 2020-09-29 | 2020-09-29 | Intelligent fabric conveying anti-stall device based on magnetorheological fluid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011053655.7A CN112283269B (en) | 2020-09-29 | 2020-09-29 | Intelligent fabric conveying anti-stall device based on magnetorheological fluid |
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| CN112283269A CN112283269A (en) | 2021-01-29 |
| CN112283269B true CN112283269B (en) | 2022-11-25 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201166064Y (en) * | 2008-03-20 | 2008-12-17 | 中国矿业大学 | Magnetic current liquid changing soft start device |
| CN203627604U (en) * | 2013-12-27 | 2014-06-04 | 清华大学 | Self-energizing magnetorheological fluid brake device capable of recycling brake energy |
| CN104019152A (en) * | 2014-06-11 | 2014-09-03 | 浙江师范大学 | Piston-type magneto-rheological clutch |
| CN111677789A (en) * | 2020-06-24 | 2020-09-18 | 重庆理工大学 | Electromagnetic friction and centrifugal extrusion magnetorheological soft starting device |
-
2020
- 2020-09-29 CN CN202011053655.7A patent/CN112283269B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201166064Y (en) * | 2008-03-20 | 2008-12-17 | 中国矿业大学 | Magnetic current liquid changing soft start device |
| CN203627604U (en) * | 2013-12-27 | 2014-06-04 | 清华大学 | Self-energizing magnetorheological fluid brake device capable of recycling brake energy |
| CN104019152A (en) * | 2014-06-11 | 2014-09-03 | 浙江师范大学 | Piston-type magneto-rheological clutch |
| CN111677789A (en) * | 2020-06-24 | 2020-09-18 | 重庆理工大学 | Electromagnetic friction and centrifugal extrusion magnetorheological soft starting device |
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| CN112283269A (en) | 2021-01-29 |
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Effective date of registration: 20221110 Address after: Room 1823-087, D2 North, No. 32, Dazhou Road, Yuhuatai District, Nanjing, Jiangsu Province, 210000 Applicant after: Nanjing Dujie Logistics Technology Co.,Ltd. Address before: 325500 No.61 Henggang Road, Henggang village, Luoyang Town, Taishun County, Wenzhou City, Zhejiang Province Applicant before: Qi Shihe |
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