CN114576307B - Damping buffer device for textile machinery - Google Patents
Damping buffer device for textile machinery Download PDFInfo
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- CN114576307B CN114576307B CN202210301761.5A CN202210301761A CN114576307B CN 114576307 B CN114576307 B CN 114576307B CN 202210301761 A CN202210301761 A CN 202210301761A CN 114576307 B CN114576307 B CN 114576307B
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- buffer
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- piston
- supporting
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- 239000004753 textile Substances 0.000 title claims abstract description 46
- 238000013016 damping Methods 0.000 title claims abstract description 19
- 230000008093 supporting effect Effects 0.000 claims abstract description 66
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims description 45
- 239000012530 fluid Substances 0.000 claims description 31
- 230000003139 buffering effect Effects 0.000 claims description 20
- 230000000670 limiting effect Effects 0.000 claims description 14
- 238000004891 communication Methods 0.000 claims description 13
- 239000011148 porous material Substances 0.000 claims description 9
- 239000003381 stabilizer Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 17
- 230000009471 action Effects 0.000 description 8
- 239000010720 hydraulic oil Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005426 magnetic field effect Effects 0.000 description 1
- 239000006249 magnetic particle Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/022—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using dampers and springs in combination
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/023—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means
- F16F15/027—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using fluid means comprising control arrangements
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a damping buffer device for textile machinery, which relates to the technical field of textile machinery and comprises a bottom plate, wherein a buffer block is fixedly connected to the bottom plate, a control cavity is formed in the buffer block, a buffer mechanism is arranged in the control cavity, the buffer mechanism comprises a supporting rod, a piston plate, a buffer spring and a permanent magnet, the supporting rod is connected to the buffer block in a sealing sliding manner, the bottom of the supporting rod extends into the control cavity, and the bottom of the supporting rod is coaxially and fixedly connected with the piston plate.
Description
Technical Field
The invention relates to the technical field of textile machinery, in particular to a damping and buffering device for textile machinery.
Background
In the working process of the textile machine, vibration is inevitably generated, a buffer device is required to be added for the textile machine in order to improve the stability of textile processing, a buffer effect is achieved in the process of vibration generation of the placing machine, vibration of the textile machine is reduced, and protection is formed for the textile machine. However, the existing buffer device is often provided with a plurality of springs on a bottom plate of the textile machine, and forms a buffer effect when the textile machine vibrates under the action of the elasticity of the springs, and the buffer springs still release the accumulated energy after deformation, so that the buffer effect is formed on the vibration of the textile machine, but the buffer device has lower vibration reduction capability on the textile machine and cannot form an effective protection effect on the textile machine.
Through retrieval, the Chinese patent application number is CN201810247443.9, which discloses a buffer device of textile machinery, comprising a cylindrical supporting cylinder body with a hollow structure, wherein a supporting shaft … … is arranged in the supporting cylinder body along the axis of the supporting cylinder body, and when the textile machinery vibrates, a first pressing plate or a second pressing plate moves in the supporting cylinder body through a supporting rod to compress hydraulic oil, so that a buffer effect is formed on the textile machinery, but because the deformation capability of the hydraulic oil is weaker, when the vibration amplitude of the textile machinery is larger, the effective buffer effect is difficult to form; after the hydraulic oil is extruded to raise the hydraulic pressure, when the external force is lost, the hydraulic oil still can be depressurized and restored, and in turn, a vibration effect is formed on the support rod; and, when it forms the buffering to textile machine through the deformation of hydraulic oil, only can form the cushioning effect to the bracing piece along bar opening direction, can't form effective buffering to the vibration of perpendicular and bar opening direction and vertical direction, buffer capacity is relatively poor.
Disclosure of Invention
The invention provides a damping and buffering device for textile machinery, and aims to solve the problem that in the traditional technology, the damping effect is low due to the fact that the hydraulic oil is weak in deformation capability in a mode of buffering the textile machinery by compressing the hydraulic oil.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a damping buffer device for textile machinery, includes the bottom plate, fixedly connected with buffer block on the bottom plate, control chamber has been seted up in the buffer block, be provided with buffer gear in the control chamber, buffer gear includes bracing piece, piston plate, buffer spring and permanent magnet, on the bracing piece sealed sliding connection buffer block, the bottom extends to the control intracavity, coaxial fixedly connected with piston plate in bracing piece bottom, wherein the textile machinery stabilizer blade is installed at the bracing piece top, piston plate sealed sliding connection is in the control chamber, and all fixedly connected with a plurality of buffer springs between upper surface and lower surface and control chamber top and the bottom, control chamber intussuseption is filled with magnetorheological fluid, and communicates between one side top and the bottom has communicating pipe, install in the buffer block communicating pipe, the piston plate is embedded to have the permanent magnet, wherein magnetorheological fluid viscosity increases under the magnetic field effect of permanent magnet.
Preferably, the buffer block is provided with a limiting hole, the limiting hole and the control cavity are coaxially arranged, the bottom of the limiting hole is communicated with the top of the control cavity, the supporting rod is in sealing sliding connection in the limiting hole, a sealing ring is arranged between the supporting rod and the limiting hole, the sealing effect of the movement of the supporting rod in the control cavity is improved, and a certain limiting effect is formed on the supporting rod.
Preferably, the plurality of buffer springs are distributed on two sides of the piston plate in a circular array, and form a preliminary buffer effect when the piston plate vibrates up and down, wherein the elastic coefficient of the buffer spring positioned on the lower surface of the piston plate is larger than that of the buffer spring positioned on the upper surface of the piston plate, and the plurality of buffer springs positioned on the upper surface and the lower surface of the piston plate are initially in a compressed state, so that the piston plate is kept in the middle of a control cavity when bearing the textile machinery, the effective movement space of the piston plate in the control cavity is improved, and the buffer and shock absorption effects of the piston plate are improved due to mutual obstruction caused by different elastic coefficients of the buffer springs when the piston plate vibrates up and down.
Preferably, the control cavity is far away from the communicating pipe one side intercommunication has the apotheca, the interior magnetorheological fluid that fills of apotheca, and communicates with control cavity one side top and bottom through two circulating pipes, when the magnetorheological fluid motion in the control cavity, let it when passing through the storage, form the renewal of magnetorheological fluid, avoid it to become invalid gradually after long-time work.
Preferably, the upper surface of the piston plate is fixedly connected with a plurality of guide posts, the guide posts are coaxially arranged in the buffer springs in a one-to-one correspondence manner, a plurality of guide holes are formed in the buffer blocks, one ends of the guide posts, far away from the piston plate, are in sealing sliding connection in the guide holes, the length of the guide holes is larger than the interval between the upper and lower movement limit positions of the piston plate, and the guide posts form a limiting effect on the buffer springs to avoid the deformation of the buffer springs in the deformation process.
Preferably, the coaxial intercommunication in spacing hole top has the supporting groove, be provided with supporting mechanism in the supporting groove, supporting mechanism includes intercommunicating pore, piston rod and annular piece, and is a plurality of the intercommunicating pore is seted up in the buffer block, and one end one-to-one and a plurality of guide hole intercommunication, the other end and supporting groove intercommunication, sealed sliding connection has the piston rod in the intercommunicating pore, the piston rod is close to supporting inslot one end and is connected with the annular piece, the annular piece cup joints on the bracing piece, when the guide post motion, forms the push-and-pull effect along radial to the bracing piece through pneumatic drive annular piece to radially form the buffering effect to the bracing piece.
Preferably, a plurality of the intercommunicating pore axial all radially distributes along the bracing piece, the piston rod includes piston block and connecting rod, piston block sealing sliding connection is in the intercommunicating pore, and is close to the coaxial fixedly connected with connecting rod of supporting slot one end, piston block one end and annular piece are kept away from to the connecting rod, connecting rod sliding connection is on the buffer block, and periphery side cover is equipped with reset spring, reset spring both ends are fixed connection respectively on piston block and intercommunicating pore inner wall, and reset spring makes it reset after the piston rod motion.
Preferably, the connecting rod is close to annular piece one end periphery side and sets up the screw thread, annular piece periphery side fixedly connected with connecting axle, threaded connection has the screw thread cover on the connecting axle, screw thread cover threaded connection is on the connecting rod, conveniently establishes annular piece cover behind on the bracing piece and be connected with the piston rod, annular piece periphery side fixedly connected with blotter, the blotter adopts rubber to make, forms the cushioning effect to the contact of annular piece and bracing piece.
Compared with the prior art, the invention has the following beneficial effects:
1. when the textile machinery works to generate vibration, the vibration along the axial direction is transmitted to the supporting rod to drive the piston plate to slide up and down in the control cavity, a primary buffering effect is formed under the elastic force of the buffering springs, meanwhile, due to the difference of elastic coefficients of the plurality of buffering springs positioned on the two sides of the piston plate, when the two types of springs act together, resistance is formed in the elastic force conversion process, the vibration effect along the axial direction of the supporting rod is quickly reduced, and a damping and buffering effect is formed on the textile machinery.
2. When the piston plate moves up and down along the control cavity, the piston plate pushes magnetorheological fluid in the control cavity to flow, when the piston plate is close to the top or bottom of the control cavity, the magnetorheological fluid in the movement direction is extruded, and the magnetorheological fluid returns to the other part in the control cavity through the communicating pipe, so that the resistance of the piston plate in movement is improved through a liquid medium, and a buffer effect is formed on the piston plate; when the piston plate is gradually close to the top or the bottom of the control cavity, the viscosity of the magnetorheological fluid at the top or the bottom of the control cavity is increased under the action of a magnetic field formed by the permanent magnets in the piston plate, so that the flow resistance of the magnetorheological fluid is increased, the effect that the larger the vibration amplitude is, the stronger the buffering effect is on the piston plate, and the buffering effect is further formed on the piston plate.
3. When the piston plate moves up and down, the guide column on the piston plate slides in the guide hole in the buffer block in a sealing way, an air pressure driving effect is formed on the communication hole communicated with the guide column, the piston rod is pushed and pulled, the annular blocks connected with the piston rod radially push and pull the support rod, a buffer effect is formed on radial vibration of the support rod under the combined action of the annular blocks, the buffer capacity of the support rod is improved, and the buffer effect on textile machinery is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a buffer mechanism according to the present invention;
FIG. 3 is a schematic view of a supporting mechanism according to the present invention;
fig. 4 is a schematic structural view of an annular block according to the present invention.
In the figure: 1 bottom plate, 2 buffer block, 21 spacing hole, 22 supporting groove, 3 control chamber, 4 buffer mechanism, 41 bracing piece, 42 piston plate, 43 buffer spring, 44 permanent magnet, 45 communicating pipe, 46 bin, 461 circulating pipe, 5 guide pillar, 51 guide hole, 6 supporting mechanism, 61 communicating hole, 62 piston rod, 621 reset spring, 63 annular block, 631 connecting axle, 632 screw sleeve.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1-4, a damping buffer device for textile machinery comprises a bottom plate 1, wherein a buffer block 2 is fixedly connected to the bottom plate 1, a control cavity 3 is formed in the buffer block 2, and a buffer mechanism 4 is arranged in the control cavity 3 to buffer and convert vibration received by the damping buffer device.
Referring to fig. 2, the buffer mechanism 4 includes a support rod 41, a piston plate 42, a buffer spring 43 and a permanent magnet 44, wherein the support rod 41 is in sealing sliding connection with the buffer block 2, the bottom of the support rod extends into the control cavity 3, a limit hole 21 is formed in the buffer block 2, the limit hole 21 is coaxially arranged with the control cavity 3, the bottom of the buffer block is communicated with the top of the control cavity 3, the support rod 41 is in sealing sliding connection with the limit hole 21, and a sealing ring is arranged between the support rod 41 and the limit hole, so that the sealing effect of the movement of the support rod 41 in the control cavity 3 is improved.
The bottom of the supporting rod 41 is coaxially and fixedly connected with a piston plate 42, wherein the top of the supporting rod 41 is provided with textile machinery supporting legs, the piston plate 42 is in sealing sliding connection in the control cavity 3, a plurality of buffer springs 43 are fixedly connected between the upper surface and the lower surface and the top and the bottom of the control cavity 3, and when the supporting rod 41 is subjected to vibration transmitted by the textile machinery supporting legs, the buffer springs 43 form a buffer effect on the supporting rod 41.
The plurality of buffer springs 43 are distributed on two sides of the piston plate 42 in a circular array, wherein the elastic coefficient of the buffer springs 43 positioned on the lower surface of the piston plate 42 is larger than that of the buffer springs 43 positioned on the upper surface of the piston plate 42, the plurality of buffer springs 43 positioned on the upper surface and the lower surface of the piston plate 42 are initially in a compressed state, the supporting effect of the plurality of buffer springs 43 on the piston plate 42 is ensured, namely, the piston plate 42 is positioned in the middle of the control cavity 3 under the supporting effect of textile machinery, and the influence of buffer amplitude of the piston plate 42 on the bottom of the control cavity 3 due to the fact that a homogeneous spring is adopted under the gravity effect of the textile machinery is avoided, so that the effective working range of the piston plate is improved in the control cavity 3.
The control cavity 3 is filled with magnetorheological fluid, the magnetorheological fluid is a suspension formed by mixing tiny soft magnetic particles with high magnetic conductivity and low hysteresis property and non-magnetic conductive liquid, the viscosity of the suspension increases along with the enhancement of magnetic field intensity, a communicating pipe 45 is communicated between the top and the bottom of one side, the communicating pipe 45 is arranged in the buffer block 2, the permanent magnet 44 is embedded in the piston plate 42, wherein the magnetorheological fluid increases in viscosity under the action of the magnetic field of the permanent magnet 44, so that when the piston plate 42 moves up and down along the control cavity 3, the movement resistance of the piston plate 42 is improved, the viscosity of the magnetorheological fluid near the top or the bottom of the control cavity 3 increases further along with the piston plate 42, the fluidity is weakened, the resistance increases, the vibration received by the piston plate 42 forms further buffering, the energy of the vibration is consumed on the flow resistance of the magnetorheological fluid, the vibration amplitude of the piston plate 42 is reduced rapidly, and the vibration generated by the textile machinery is buffered.
The control cavity 3 is far away from the side of the communicating pipe 45 and is communicated with the storage chamber 46, magnetorheological fluid is filled in the storage chamber 46, and the top and the bottom of one side of the control cavity 3 are communicated through the two circulating pipes 461, when the piston plate 42 moves up and down, the control cavity 3 is pushed to move by the split fluid, part of fluid enters the storage chamber 46 through the circulating pipe 461 and returns to the other part of the control cavity 3 from the other circulating pipe 461, the fluid updating effect is achieved, the problems of loss and ageing of the fluid in the long-time working process are reduced, and the normal working of the fluid is ensured.
The upper surface of the piston plate 42 is fixedly connected with a plurality of guide posts 5, the guide posts 5 are coaxially arranged in the buffer spring 43 in a one-to-one correspondence manner, a plurality of guide holes 51 are formed in the buffer block 2, one end, far away from the piston plate 42, of the guide posts 5 is connected in the guide holes 51 in a sealing sliding manner, wherein the length of the guide holes 51 is larger than the interval between the vertical movement limit positions of the piston plate 42, when the piston plate 42 moves up and down, the buffer spring 43 is compressed and stretched to form a buffer effect, the guide posts 5 deform to form a limit effect on the buffer spring 43, and the buffer spring 43 is prevented from producing larger distortion in the deformation process to influence the elastic buffer effect.
The top of the limiting hole 21 is coaxially communicated with a supporting groove 22, a supporting mechanism 6 is arranged in the supporting groove 22, a radial supporting effect is formed on the supporting rod 41, the radial deflection effect of the supporting rod is reduced, and a damping effect is further formed on the textile machinery.
Referring to fig. 3, the supporting mechanism 6 includes a communication hole 61, a piston rod 62 and an annular block 63, wherein the plurality of communication holes 61 are formed in the buffer block 2, one end of each communication hole is communicated with the plurality of guide holes 51 in a one-to-one correspondence manner, the other end of each communication hole is communicated with the supporting groove 22, the piston rod 62 is connected to the inner end of the corresponding communication hole 61 in a sliding manner, the annular block 63 is connected to the supporting rod 41 in a manner that the piston rod 62 is close to the inner end of the supporting groove 22, the annular block 63 is sleeved on the supporting rod 41, when the guide column 5 moves up and down along the guide hole 51, an air pressure driving effect is formed on the piston rod 62 through the communication hole 61, a pushing and pulling effect is formed on the annular block 63 through the piston rod 62, so that a supporting limiting effect is formed on the supporting rod 41 in a radial direction under the combined action of the plurality of annular blocks 63, and an offset effect of the supporting rod 41 in a radial direction is reduced.
The axial of a plurality of intercommunications hole 61 all distributes along bracing piece 41 is radial, piston rod 62 includes piston block and connecting rod, piston block sealing sliding connection is in intercommunicating hole 61, and be close to the coaxial fixedly connected with connecting rod of supporting groove 22 one end, piston block one end and annular piece 63 are kept away from to the connecting rod, connecting rod sliding connection is on buffer block 2, and the periphery side cover is equipped with reset spring 621, reset spring 621 both ends respectively fixed connection is on piston block and intercommunicating hole 61 inner wall, after piston rod 62 moves, reset spring 621 makes it reset, reduce annular piece 63 and to the radial extrusion effort of bracing piece 41, make things convenient for bracing piece 41 at axial motion.
Referring to fig. 4, the connecting rod is threaded near the outer circumference side of one end of the annular block 63, the connecting shaft 631 is fixedly connected to the outer circumference side of the annular block 63, the threaded sleeve 632 is connected to the connecting shaft 631 in a threaded manner, the threaded sleeve 632 is connected to the connecting rod in a threaded manner, the buffering pad is fixedly connected to the circumference side of the annular block 63 and made of rubber, when the annular block 63 is installed, the annular block 63 is sleeved on the supporting rod 41, the connecting shaft 631 is moved into the supporting groove 22, the connecting rod is aligned with the connecting rod, the threaded sleeve 632 on the annular block 63 is rotated, the connecting shaft 631 and the connecting rod are fixed together through the threaded sleeve 632, the installation of the annular block 63 is completed, convenience and rapidness are achieved, and when the annular block 63 works for a long time to be damaged, the annular block 63 is convenient to replace.
When the textile machine is fixed, the supporting legs of the textile machine are arranged at the top ends of the supporting rods 41, at the moment, the textile machine works to generate vibration, the vibration along the axial direction is transmitted to the supporting rods 41, the supporting rods 41 drive the piston plates 42 fixedly connected with the supporting rods to slide up and down in the control cavity 3 in the buffer block 2, the buffer springs 43 are extruded, a preliminary buffer effect is formed under the elastic force action of the buffer springs 43, meanwhile, resistance is formed in the elastic force conversion process when the two types of springs act together, the vibration effect along the axial direction of the supporting rods 41 is rapidly reduced, and a shock absorption buffer effect is formed for the textile machine;
meanwhile, when the piston plate 42 moves up and down along the control cavity 3, the piston plate 42 pushes magnetorheological fluid in the control cavity 3 to flow, when the piston plate 42 moves down, the magnetorheological fluid below the piston plate 42 is extruded, and part of the magnetorheological fluid flows into the control cavity 3 above the piston plate 42 through the communicating pipe 45, and the resistance of the piston plate 42 in downward movement is improved through a liquid medium, so that a buffer effect is formed on the piston plate 42; when the piston plate 42 gradually approaches the bottom of the control cavity 3, the viscosity of the magnetorheological fluid at the bottom of the control cavity 3 is increased under the action of a magnetic field formed by the permanent magnet 44 in the piston plate 42, so that the flow resistance of the magnetorheological fluid is increased, the effect that the larger the vibration amplitude is, the stronger the buffering effect is formed on the piston plate 42, and the buffering effect is further formed on the piston plate 42; also, as the piston plate 42 moves upward, a cushioning effect is also created on the piston plate 42;
when the liquid medium in the control cavity 3 flows, part of liquid returns to the control cavity 3 through the circulating pipe 461 through the storage chamber 46 and then through the circulating pipe 461, so that a replacement effect is formed on the magnetorheological fluid, and the problem that the magnetorheological fluid in the control cavity 3 fails after long-time working to influence the buffering effect on the piston plate 42 is avoided;
when the piston plate 42 moves up and down, the guide post 5 on the piston plate 42 slides in the guide hole 51 in the buffer block 2 in a sealing manner, so that a sealing driving effect is formed on the piston rod 62 which is connected in a sealing sliding manner in the communication hole 61 communicated with the guide hole 51, the piston rod 62 is subjected to a push-pull effect, the annular block 63 connected with the piston rod 62 radially forms a push-pull effect on the support rod 41, under the combined action of the annular blocks 63, a buffer effect is formed on radial vibration of the support rod 41, the buffer capacity of the support rod 41 is improved, and the buffer effect on textile machinery is improved.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. The utility model provides a damping buffer device for textile machinery, includes bottom plate (1), fixedly connected with buffer block (2) on bottom plate (1), its characterized in that, offer control chamber (3) in buffer block (2), be provided with buffer gear (4) in control chamber (3), buffer gear (4) include bracing piece (41), piston plate (42), buffer spring (43) and permanent magnet (44), on bracing piece (41) sealed sliding connection buffer block (2), the bottom extends to in control chamber (3), coaxial fixedly connected with piston plate (42) in bracing piece (41) bottom, wherein textile machinery stabilizer blade is installed at bracing piece (41) top, piston plate (42) sealed sliding connection is in control chamber (3), and all fixedly connected with a plurality of buffer springs (43) between upper surface and lower surface and control chamber (3) top and the bottom, control chamber (3) intussuseption is filled with magnetorheological fluid, and the intercommunication has (45) between one side top and the bottom, piston plate (45) is installed in buffer block (2), permanent magnet (44) is embedded in the permanent magnet of viscosity under the effect of permanent magnet (44);
the buffer block (2) is provided with a limiting hole (21), the limiting hole (21) and the control cavity (3) are coaxially arranged, the bottom of the limiting hole is communicated with the top of the control cavity (3), and the supporting rod (41) is hermetically and slidingly connected in the limiting hole (21);
the upper surface of the piston plate (42) is fixedly connected with a plurality of guide posts (5), the guide posts (5) are coaxially arranged in the buffer spring (43) in a one-to-one correspondence manner, a plurality of guide holes (51) are formed in the buffer block (2), one end, far away from the piston plate (42), of the guide posts (5) is hermetically and slidingly connected in the guide holes (51), and the length of the guide holes (51) is larger than the interval between the upper and lower movement limit positions of the piston plate (42);
the top of the limiting hole (21) is coaxially communicated with a supporting groove (22), a supporting mechanism (6) is arranged in the supporting groove (22), the supporting mechanism (6) comprises a communication hole (61), a piston rod (62) and an annular block (63), a plurality of communication holes (61) are formed in the buffer block (2), one ends of the communication holes are correspondingly communicated with the guide holes (51) one by one, the other ends of the communication holes are communicated with the supporting groove (22), the communication holes (61) are internally and hermetically connected with the piston rod (62) in a sliding manner, one end, close to the supporting groove (22), of the piston rod (62) is connected with the annular block (63), and the annular block (63) is sleeved on the supporting rod (41);
the axial of a plurality of intercommunicating pore (61) is all along bracing piece (41) radial distribution, piston rod (62) are including piston block and connecting rod, piston block sealed sliding connection is in intercommunicating pore (61), and is close to coaxial fixedly connected with connecting rod of supporting slot (22) one end, piston block one end and annular piece (63) are kept away from to the connecting rod are connected, connecting rod sliding connection is on buffer block (2), and periphery side cover is equipped with reset spring (621), reset spring (621) both ends are fixed connection respectively on piston block and intercommunicating pore (61) inner wall.
2. The damping and buffering device for a textile machine according to claim 1, wherein the plurality of damping springs (43) are distributed on both sides of the piston plate (42) in a circular array, wherein the elastic coefficient of the damping springs (43) located on the lower surface of the piston plate (42) is greater than that of the damping springs (43) located on the upper surface thereof, and wherein the plurality of damping springs (43) located on the upper and lower surfaces of the piston plate (42) are initially in a compressed state.
3. The damping and buffering device for the textile machinery according to claim 1, wherein a storage chamber (46) is communicated with one side of the control cavity (3) away from the communicating pipe (45), magnetorheological fluid is filled in the storage chamber (46), and the magnetorheological fluid is communicated with the top and the bottom of one side of the control cavity (3) through two circulating pipes (461).
4. The damping and buffering device for the textile machinery according to claim 1, wherein the connecting rod is provided with threads near the outer circumferential side of one end of the annular block (63), the outer circumferential side of the annular block (63) is fixedly connected with a connecting shaft (631), the connecting shaft (631) is provided with a threaded sleeve (632) in a threaded manner, the threaded sleeve (632) is in threaded connection with the connecting rod, the circumferential side of the annular block (63) is fixedly connected with a buffer pad, and the buffer pad is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210301761.5A CN114576307B (en) | 2022-03-24 | 2022-03-24 | Damping buffer device for textile machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210301761.5A CN114576307B (en) | 2022-03-24 | 2022-03-24 | Damping buffer device for textile machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114576307A CN114576307A (en) | 2022-06-03 |
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| CN115789169A (en) * | 2022-11-22 | 2023-03-14 | 江苏畅飞新能源专用汽车有限公司 | Buffering connecting piece for large carriage of refitted vehicle |
| CN117862913A (en) * | 2024-01-31 | 2024-04-12 | 浙江金博睿精密机械有限公司 | Bearing drilling machine and use method thereof |
| CN119353357B (en) * | 2024-11-22 | 2025-06-20 | 广州华侨振动控制科技有限公司 | Double-buffered train floating floor shock absorber |
| CN119362210B (en) * | 2024-12-23 | 2025-03-07 | 唐科信息科技(西安)有限公司 | A shockproof power distribution cabinet |
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| CN103382726A (en) * | 2013-07-04 | 2013-11-06 | 河海大学 | Shock absorption and energy dissipation device for end-bearing support structure |
| CN104500490A (en) * | 2014-12-20 | 2015-04-08 | 桐梓县创兴自动化设备有限公司 | Textile machine buffering device |
| CN207454650U (en) * | 2017-11-14 | 2018-06-05 | 福建工程学院 | A kind of combined type MR vibration damper |
| CN109933153A (en) * | 2017-12-16 | 2019-06-25 | 杜瑜 | A kind of hanging buffer computer shock absorber for hard disk |
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