Bielastic spindle capable of efficiently reducing vibration

Abstract

The utility model relates to the technical field of textile machinery accessories, in particular to a bielastic spindle capable of efficiently reducing vibration. Comprising a spindle seat, a supporting seat is elastically and slidably connected to an inner cavity of the spindle seat in the axial direction, a spindle blade is rotatably connected into the supporting seat, the spindle blade is movably and hermetically connected with the spindle seat, an oil cavity communicated with the inner cavity is formed in the lower end of the spindle seat, and a piston plate is slidably and hermetically connected into the oil cavity in the vertical direction; sliding plates are arranged in the sliding grooves in a sliding mode, pull rods are fixed to the opposite ends of the two sliding plates and connected with the spindle seat in a sliding and sealing mode, the ends, away from the sliding plates, of the pull rods are located in the oil cavity, the ends, in the oil cavity, of the pull rods are connected with the piston plate through connecting assemblies, the inner cavity is filled with damping oil, and the oil cavity above the piston plate is filled with damping oil. By adjusting the damping force, it is guaranteed that under the working condition that the spindle rod rotates at a high speed, effective vibration reduction can be conducted on the spindle rod and the supporting base, and it is guaranteed that the spindle rod can work normally.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of textile machinery accessory technical field, specifically to a kind of double-elasticity spindle of high efficiency vibration reduction. BACKGROUND

[0002] Spindle is one of main components on spinning frame, is the combination of slender rotating shaft with two-point support, currently, the spindle used by domestic textile enterprises is a kind of product with huge quantity, and the quality of yarn, power consumption, environmental noise and production efficiency are closely related to the good or bad of spindle.The traditional spindle has many components, and is complex to manufacture and difficult to install, with high cost.Under the high-speed operation of current spindle, the spindle will occur to swing and vibrate during operation, and the quality of yarn cannot be guaranteed in high-speed spinning, which has seriously affected the improvement of spinning speed and reduced the service life of spindle.

[0003] The patent file with publication number CN212895160U discloses a double-elasticity spindle, which comprises a ring spinning spindle, an elastic base, a spindle holder for supporting the spindle in cooperation with the spinning frame, and a damping material. The ring spinning spindle is arranged in the spindle holder, and the damping material is arranged between the ring spinning spindle and the spindle holder. The lower part of the ring spinning spindle is provided with the elastic base, and the ring spinning spindle is connected with the spindle holder through the elastic base. Under the joint action of the elastic base and the damping material, the ring spinning spindle can absorb the vibration generated during the operation of the spindle, isolate the noise generated during the high-speed operation of the ring spinning spindle, and improve the mechanical properties of the ring spinning spindle during high-speed operation.

[0004] The patent file with publication number CN209178551U discloses a double-elasticity double-vibration-absorption system high-speed energy-saving cotton spinning spindle. The outer spindle leg and the inner spindle leg are two separate structures, and the first buffer system of the new spindle is arranged between the two. The first buffer system is filled with damping oil. The lower part of the outer spindle leg has an oil inlet valve. Due to the communication of the through holes, the oil inlet valve injects damping oil into the first buffer system and the second buffer system. The first buffer system and the second buffer system of the spindle constitute the first vibration absorption system of the spindle. The first buffer system and the second buffer system are connected through the through holes, and four through holes are distributed in a circle on the lower shaft diameter of the inner spindle leg. The damping oil in the first buffer system and the second buffer system is methyl silicone oil. The damping oil in the first buffer system and the second buffer system is injected and sealed through the oil inlet valve. The first buffer system and the second buffer system inside the inner spindle leg and the outer spindle leg can effectively absorb the vibration caused by dynamic unbalance force of the spindle at high speed, improve the quality of spinning products and production efficiency, and effectively reduce the noise generated by the high-speed rotation of the spindle rod inside the spindle core, which has the effect of vibration reduction and noise reduction.

[0005] However, the two technical solutions cannot adjust the pressure of the damping oil in the spool according to the actual working condition, and cannot adjust the size of the damping force according to the actual working condition. Content of the utility model

[0006] The main purpose of the utility model is to provide a double-elasticity spool which can adjust the size of the damping force according to the actual working condition, so that the spindle can effectively reduce vibration and normally work under different working conditions.

[0007] In order to achieve the above purpose, the technical scheme provided by the utility model is:

[0008] A double-elasticity spool capable of efficiently reducing vibration comprises a spool, a support seat which is elastically and slidably connected to the spool in the axial direction of an inner cavity of the spool, a spindle which is rotatably connected to the support seat, the spindle being movably and sealingly connected to the spool, an oil cavity which is formed in the lower end of the spool and is in communication with the inner cavity, a piston plate which is slidably and sealingly connected to the oil cavity in the vertical direction, the piston plate being connected to the spool through a plurality of first springs, a sliding groove which is formed in each of the left and right sides of the lower end of the spool, a sliding plate which is slidably arranged in each of the sliding grooves, the sliding plate being connected to the spool through a positioning assembly, a pull rod which is fixed to the opposite end of each of the sliding plates, the axis of the pull rod being perpendicular to the axis of the spool, the pull rod being slidably and sealingly connected to the spool, the end of the pull rod which is away from the sliding plate being located in the oil cavity, the end of the pull rod in the oil cavity being connected to the piston plate through a connecting assembly, the inner cavity being filled with damping oil, and the oil cavity above the piston plate being filled with damping oil.

[0009] Specifically, the lower end of the support seat is connected to the spool through a second spring.

[0010] Specifically, the inner cavity is in communication with the oil cavity through a through hole in the spool.

[0011] Specifically, the opposite end faces of the two sliding plates are each fixed with a pull ring.

[0012] Specifically, the positioning assembly comprises a plurality of positioning holes which are formed in the opposite two groove walls of the sliding groove, the plurality of positioning holes are linearly arranged in the sliding direction of the sliding plate, a spring positioning bead corresponding to the positioning hole is fixed to the sliding plate, and the ball of the spring positioning bead is located in the positioning hole to position the sliding plate.

[0013] Specifically, the connecting assembly comprises a pull rope, the two ends of the pull rope are fixedly connected to the ends of the two pull rods located in the oil cavity, a limiting rod is fixed to the upper end of the piston plate, the height of the limiting rod is less than the height of the pull rod, and the middle part of the pull rope passes around the lower end of the limiting rod.

[0014] Specifically, the connecting assembly comprises two connecting units, the ends of the two pull rods located in the oil cavity are respectively connected to the upper end of the piston plate through the two connecting units, the connecting unit comprises a hinged seat which is fixed to the piston plate, the hinged seat is rotatably connected to the lower end of a hinged rod, and the upper end of the hinged seat is rotatably connected to the pull rod on one side.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1、 through adjusting the position of the slide plate, the height of the piston plate can be adjusted, after the height of the piston plate is increased, the oil pressure of the damping oil in the oil cavity and the inner cavity is increased, after the oil pressure of the damping oil is increased, the damping force of the damping oil to the support seat is increased, when the spindle rotates at high speed, the amplitude and the vibration speed of the vibration are increased, by increasing the damping force of the damping oil to the support seat, the spindle can effectively reduce the vibration of the support seat under the working condition of high speed rotation and ensure that the spindle can work normally.

[0017] 2、 after the height of the piston plate is reduced, the oil pressure of the damping oil in the oil cavity and the inner cavity is reduced, after the oil pressure of the damping oil is reduced, the damping force of the damping oil to the support seat is reduced, when the spindle rotates at low speed, the amplitude and the vibration speed of the vibration are reduced, by reducing the damping force of the damping oil to the support seat, the spindle can effectively reduce the vibration of the support seat under the working condition of low speed rotation and ensure that the spindle can work normally.

[0018] 3、 the impurities in the damping oil can be settled in the oil cavity, the impurities in the damping oil are conveniently stored, the impurities are avoided in the inner cavity and the wear speed of the spindle is accelerated, and the service life of the double-elastic spindle is effectively improved.

[0019] 4、 when the double-elastic spindle is not used for a long time, the position of the adjustable slide plate is adjusted to make the piston plate be located in the lower end of the oil cavity, the piston plate stops pressing the damping oil, and the sealing element of the double-elastic spindle is prevented from being damaged for a long time. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a schematic view of the double-elastic spindle.

[0021] Figure 2 It is a sectional view of the double-elastic spindle.

[0022] Figure 3 It is Figure 2 the enlarged view of the A area.

[0023] Figure 4 It is a schematic view of the connection between the pull rope and the pull rod.

[0024] Figure 5 It is a schematic view of the connection between the articulated rod and the pull rod.

[0025] Figure 6 It is Figure 5 the enlarged view of the B area.

[0026] The names of the parts in the drawings are: 1, spindle base; 2, spindle rod; 3, oil cavity; 4, sliding groove; 5, piston plate; 6, sliding plate; 7, pull rod; 8, pull rope; 9, limiting rod; 10, first spring; 11, through hole; 12, second spring; 13, support seat; 14, hinged rod; 15, hinged seat; 16, pull ring; 17, positioning hole. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0028] Embodiment one: refer to Figures 1-4 As shown in the figure, a double-elasticity spindle with high vibration reduction efficiency comprises a spindle base 1, a support seat 13 is elastically and slidingly connected to the spindle base 1 in the axial direction of the inner cavity of the spindle base 1. Specifically, the lower end of the support seat 13 is connected to the spindle base 1 through a second spring 12.

[0029] A spindle rod 2 is rotatably connected to the support seat 13, and the spindle rod 2 is movably and sealingly connected to the spindle base 1.

[0030] An oil cavity 3 is formed in the lower end of the spindle base 1 and is in communication with the above-mentioned inner cavity. Specifically, the inner cavity and the oil cavity 3 are in communication through a through hole 11 in the spindle base 1.

[0031] The impurities in the damping oil can be settled in the oil cavity 3, which facilitates the storage of the impurities in the damping oil and avoids the impurities in the inner cavity, thereby accelerating the wear speed of the spindle and effectively prolonging the service life of the double-elasticity spindle.

[0032] A piston plate 5 is slidingly and sealingly connected to the oil cavity 3 in the vertical direction, and the piston plate 5 is connected to the spindle base 1 through a plurality of first springs 10. The left and right sides of the lower end of the spindle base 1 are each provided with a sliding groove, and a sliding plate 6 is slidingly arranged in each sliding groove. The opposite end faces of the two sliding plates 6 are each fixed with a pull ring 16.

[0033] The sliding plate 6 is connected to the spindle base 1 through a positioning assembly.

[0034] The positioning assembly comprises a plurality of positioning holes 17 formed in the opposite groove walls of the sliding groove 4, and the plurality of positioning holes 17 are linearly arranged in the sliding direction of the sliding plate 6. A spring positioning bead corresponding to the positioning hole 17 is fixed to the sliding plate 6, and the ball of the spring positioning bead is positioned in the positioning hole 17.

[0035] The opposite ends of the two sliding plates 6 are fixed with pull rods 7, the shafts of the pull rods 7 are perpendicular to the shaft of the spindle seat 1, the pull rods 7 are in sliding sealing connection with the spindle seat 1, the ends of the pull rods 7 away from the sliding plates 6 are located in the oil cavity 3, the ends of the pull rods 7 in the oil cavity 3 are connected with the piston plate 5 through a connecting assembly, the inner cavity is filled with damping oil, and the oil cavity 3 above the piston plate 5 is filled with damping oil.

[0036] The connecting assembly comprises pull ropes 8, the two ends of each of the pull ropes 8 are fixedly connected with the ends of the two pull rods 7 located in the oil cavity 3, the upper end of the piston plate 5 is fixed with a limiting rod 9, the height of the limiting rod 9 is less than the height of the pull rod 7, and the middle part of each of the pull ropes 8 passes around the lower end of the limiting rod 9.

[0037] When the spindle rod 2 needs to rotate at high speed, the two sliding plates 6 are away from each other, the pull ropes 8 drive the piston plate 5 to move upward through the limiting rod 9 when the two sliding plates 6 are away from each other, the height of the piston plate 5 increases, the first spring 10 is compressed, the oil pressure of the damping oil in the oil cavity 3 and the inner cavity increases after the height of the piston plate 5 increases, and the damping force of the damping oil on the support seat 13 increases after the oil pressure of the damping oil increases.

[0038] When the spindle rod 2 rotates at high speed, the amplitude and the vibration speed of vibration increase, the damping force of the damping oil on the support seat 13 is increased, so that the spindle rod 2 can effectively reduce vibration of the support seat 13 under the working condition of high-speed rotation and can normally work.

[0039] Under the cooperation of the rolling ball of the spring positioning ball and the positioning hole 17, the sliding plate 6 can be positioned in the sliding groove 4, so that the stability of the piston plate 5 can be ensured.

[0040] When it is needed to restore the piston plate 5, the sliding plate 6 is restored in the sliding groove 4, and the piston plate 5 can be restored downward under the elastic force of the first spring 10.

[0041] When the double-elasticity spindle is not used for a long time, the position of the sliding plate 6 can be adjusted to make the piston plate 5 located in the lower end of the oil cavity 3, so that the piston plate 5 stops pressing the damping oil, and the sealing element of the double-elasticity spindle can be prevented from being damaged for a long time under pressure.

[0042] Example two: on the basis of example one, referring to Figure 5 and Figure 6 , the connecting assembly comprises two connecting units, and the ends of the two pull rods 7 located in the oil cavity 3 are connected with the upper end of the piston plate 5 through the two connecting units respectively.

[0043] The connecting unit comprises a hinged seat 15 fixed on the piston plate 5, the hinged seat 15 is in rotary connection with the lower end of a hinged rod 14, and the upper end of the hinged seat 15 is in rotary connection with the pull rod 7 on one side of the hinged seat 15.

[0044] When the spindle 2 needs to rotate at high speed, the two sliding plates 6 are moved away from each other, when the two sliding plates 6 are moved away from each other, the pull rod 7 drives the piston plate 5 to move upward through the cooperation of the hinged rod 14 and the hinged seat 15, the height of the piston plate 5 is increased, and the first spring 10 is compressed.

[0045] When the piston plate 5 needs to be restored, the sliding plate 6 is restored in the sliding groove 4, when the sliding plate 6 is restored in the sliding groove 4, the sliding plate 6 can restore the piston plate 5 through the cooperation of the pull rod 7, the hinged rod 14 and the hinged seat 15 and the elastic force of the first spring 10.

[0046] After the height of the piston plate 5 is reduced, the oil pressure of the damping oil in the oil chamber 3 and the inner cavity is reduced, after the oil pressure of the damping oil is reduced, the damping force of the damping oil on the support seat 13 is reduced.

[0047] When the spindle 2 rotates at low speed, the amplitude and the vibration speed of the vibration are reduced, by reducing the damping force of the damping oil on the support seat 13, it is ensured that the spindle 2 can effectively reduce the vibration of the support seat 13 under the working condition of low speed rotation and the spindle 2 can normally work.

[0048] The above only describes the preferred embodiments of the utility model, and does not limit the utility model, any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A high-efficiency vibration-reducing double-elastic spindle, comprising a spindle seat (1), a support seat (13) elastically slidably connected to the inner cavity of the spindle seat (1) in the axial direction, a spindle rod (2) rotatably connected inside the support seat (13), and the spindle rod (2) being movably and sealingly connected to the spindle seat (1), characterized in that, The lower end of the spool chuck (1) is provided with an oil cavity (3) communicated with the inner cavity, a piston plate (5) is slidably connected in the vertical direction in the oil cavity (3), the piston plate (5) is connected with the spool chuck (1) through a plurality of first springs (10), the lower end of the spool chuck (1) is provided with sliding grooves on the left and right sides, a sliding plate (6) is slidably arranged in each sliding groove, the sliding plate (6) is connected with the spool chuck (1) through a positioning assembly, the opposite ends of the two sliding plates (6) are fixed with pull rods (7), the shaft center of the pull rod (7) is perpendicular to the shaft center of the spool chuck (1), the pull rod (7) is slidably connected with the spool chuck (1), one end of the pull rod (7) away from the sliding plate (6) is located in the oil cavity (3), the end of the pull rod (7) in the oil cavity (3) is connected with the piston plate (5) through a connecting assembly, the inner cavity is filled with damping oil, and the oil cavity (3) above the piston plate (5) is filled with damping oil.

2. The double elastic spindle according to claim 1, wherein The lower end of the supporting seat (13) is connected with the spool chuck (1) through a second spring (12).

3. The double elastic spindle according to claim 1, wherein The inner cavity and the oil cavity (3) are communicated through a through hole (11) on the spool chuck (1).

4. The double resilient spindle of claim 1, wherein, The opposite end faces of the two sliding plates (6) are fixed with pull rings (16).

5. The high-efficiency vibration-reducing dual-elastic spindle according to claim 1, characterized in that, The positioning assembly comprises a plurality of positioning holes (17) formed in the opposite two groove walls of the sliding groove (4), the plurality of positioning holes (17) are linearly arranged in the sliding direction of the sliding plate (6), a spring positioning bead corresponding to the positioning hole (17) is fixed on the sliding plate (6), and the ball of the spring positioning bead is located in the positioning hole (17) and can position the sliding plate (6).

6. The double resilient spindle of claim 1, wherein, The connecting assembly comprises a pull rope (8), the two ends of the pull rope (8) are fixedly connected with the ends of the two pull rods (7) located in the oil cavity (3), a limiting rod (9) is fixed on the upper end of the piston plate (5), the height of the limiting rod (9) is less than the height of the pull rod (7), and the middle part of the pull rope (8) passes the lower end of the limiting rod (9).

7. The double resilient spindle as claimed in claim 1, wherein the said spindle is made of a material having a hardness of 60-70 on the Rockwell scale. 5 The connecting assembly comprises two connecting units, the ends of the two pull rods (7) located in the oil cavity (3) are connected with the upper end of the piston plate (5) through the two connecting units respectively, the connecting unit comprises a hinged seat (15) fixed on the piston plate (5), the hinged seat (15) is rotatably connected with the lower end of a hinged rod (14), and the upper end of the hinged seat (15) is rotatably connected with the pull rod (7) on one side.

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