阅读说明：本技术 一种有效防失速的卷纸机防护装置 (Effectively prevent winder protector of stall ) 是由 王欢 于 2020-11-23 设计创作，主要内容包括：一种有效防失速的卷纸机防护装置,涉及卷纸机技术领域,一种有效防失速的卷纸机防护装置,包括安装架,所述安装架的内壁开设有环槽,环槽的内壁活动连接有三个均匀分布的减速块,减速块的内壁开设有阻尼孔,减速块的内壁固定连接有铁块,安装架的中部活动连接有转轴,转轴的中部开设有均匀分布的滑槽,滑槽的内壁固定连接有弹簧。该有效防失速的卷纸机防护装置,通过减速块和阻尼孔的配合使用,当卷纸机快速转动时,这时减速块会被电磁体和铁块的磁性吸引力作用下与转轴相对固定,这时环槽内的磁流变液粘稠度增加,磁流变液难以通过减速块阻尼孔,从而达到了防失速的效果,有效防止卷纸机的缠绕质量下降,提高实用性。(The utility model provides an effective anti-stall winder protection device, relates to winder technical field, an effective anti-stall winder protection device, including the mounting bracket, the annular has been seted up to the inner wall of mounting bracket, and the inner wall swing joint of annular has three evenly distributed's speed reduction piece, and the damping hole has been seted up to the inner wall of speed reduction piece, and the inner wall fixedly connected with iron plate of speed reduction piece, the middle part swing joint of mounting bracket have a pivot, and evenly distributed's spout, the inner wall fixedly connected with spring of spout are seted up at the middle part of pivot. This effective anti-stall winder protector uses through the cooperation of deceleration block and damping hole, and when the winder rotated fast, at this moment the deceleration block can be by electromagnet and iron plate's magnetic attraction effect down with pivot relatively fixed, at this moment the intra-annular magnetic rheological fluid viscosity increase, and the magnetic rheological fluid is difficult to pass through the deceleration block damping hole to reached the effect of anti-stall, effectively prevented the winding quality decline of winder, improved the practicality.)

1. The utility model provides an effective winder protector of preventing stall, includes mounting bracket (1), its characterized in that: annular groove (2) has been seted up to the inner wall of mounting bracket (1), the inner wall swing joint of annular groove (2) has three evenly distributed's speed reduction piece (3), damping hole (4) has been seted up to the inner wall of speed reduction piece (3), the inner wall fixedly connected with iron plate (5) of speed reduction piece (3), the middle part swing joint of mounting bracket (1) has pivot (6), evenly distributed's spout (7) have been seted up at the middle part of pivot (6), the inner wall fixedly connected with spring (8) of spout (7), the outside fixedly connected with slider (9) of spring (8), the middle part fixedly connected with dielectric plate (10) of slider (9), the inner wall fixedly connected with positive plate (11) of pivot (6), the inner wall fixedly connected with negative plate (12) symmetrical with positive plate (11) of pivot (6), the inner wall fixedly connected with resistance (13) of pivot (, the inner wall of the rotating shaft (6) is fixedly connected with an electromagnet (14).

2. An effective stall-proof reel-up guard according to claim 1, characterized in that: the material of the mounting rack (1) is hard high-strength material and the shape of the mounting rack (1) is hexagonal.

3. An effective stall-proof reel-up guard according to claim 1, characterized in that: magnetorheological fluid is filled in the annular groove (2), and the main components of the magnetorheological fluid are magnetic polarized particles and suspension of non-magnetic liquid.

4. An effective stall-proof reel-up guard according to claim 1, characterized in that: the material of the speed reducing block (3) is hard rubber material, and the size of the speed reducing block (3) is smaller than that of the mounting frame (1).

5. An effective stall-proof reel-up guard according to claim 1, characterized in that: the shape of the damping hole (4) is arc-shaped, and the width of the damping hole (4) is smaller than half of the width of the speed reducing block (3).

6. An effective stall-proof reel-up guard according to claim 1, characterized in that: the material of pivot (6) is hard rubber material and pivot (6) do not have magnetic conductivity and electric conductivity, the shape of spout (7) is cuboid form and the size of spout (7) is less than the size of pivot (6).

7. An effective stall-proof reel-up guard according to claim 1, characterized in that: the material of the slider (9) is a hard high-strength material, the shape of the slider (9) is a cuboid, the size of the dielectric plate (10) is smaller than that of the slider (9), and the number of the dielectric plates (10) is three.

8. An effective stall-proof reel-up guard according to claim 1, characterized in that: the positive plates (11) and the negative plates (12) are the same in size, the number of the positive plates (11) and the number of the negative plates (12) are three, the resistors (13) are piezoresistors, and the maximum path voltage of the resistors (13) is larger than the minimum circuit voltage of the negative plates (12).

Technical Field

The invention relates to the technical field of paper winding machines, in particular to a protective device of a paper winding machine, which can effectively prevent stall.

Background

The reel-up is the first finishing equipment after the paper machine. The paper is driven to be uniformly wound by the self weight of the paper winding roller and the rotating friction force of the cold cylinder, so that the paper is more uniform by the paper winding machine, the requirements of different papers can be met, and the current paper winding machine often has problems in the use process, so that the paper winding effect is not ideal enough.

The pivot of winder rotation inertia can crescent along with the gradual increase of quality in the use at present, leads to the condition that the stall can often appear, and at this moment the winder will lead to the stock form fold scheduling problem to appear, causes the stock form quality to go wrong, just at this moment need interrupt production, adjusts the winder, and is consuming time and energy, seriously delays the production progress.

We have therefore proposed a winder guard that effectively prevents stall to solve the above problems.

Disclosure of Invention

The invention adopts the following technical scheme for realizing the technical purpose: the utility model provides an effective anti-stall winder protector, which comprises a mounting bracket, the annular has been seted up to the inner wall of mounting bracket, the inner wall swing joint of annular has three evenly distributed's the piece that slows down, the damping hole has been seted up to the inner wall of the piece that slows down, the inner wall fixedly connected with iron plate of the piece that slows down, the middle part swing joint of mounting bracket has the pivot, evenly distributed's spout is seted up at the middle part of pivot, the inner wall fixedly connected with spring of spout, the outside fixedly connected with slider of spring, the middle part fixedly connected with dielectric plate of slider, the inner wall fixedly connected with positive plate of pivot and the symmetrical negative plate of positive plate, the.

The invention has the following beneficial effects:

1. this effective anti-stall winder protector uses through the cooperation of deceleration block and damping hole, and when the winder rotated fast, at this moment the deceleration block can be by electromagnet and iron plate's magnetic attraction effect down with pivot relatively fixed, at this moment the intra-annular magnetic rheological fluid viscosity increase, and the magnetic rheological fluid is difficult to pass through the deceleration block damping hole to reached the effect of anti-stall, effectively prevented the winding quality decline of winder, improved the practicality.

2. This effective anti-stall winder protection device uses through the cooperation of dielectric plate and resistance, and when the winder normally used, the resistance was in the state of opening circuit this moment, and the electromagnet was in the outage state, and when the winder stall, at this moment the dielectric plate reduced circuit voltage to the biggest path voltage that is less than the resistance, and at this moment the resistance was in the path state, and the electromagnet circular telegram produces magnetism, has effectively improved the stability of winder, has guaranteed the orderly of production progress and has gone on.

Further, the material of mounting bracket is the stereoplasm high strength material and the shape of mounting bracket is the hexagon, and the mounting bracket plays the effect of fixed each part, the annular is inside to be filled with magnetorheological suspensions and magnetorheological suspensions's the main component is magnetic polarization granule and non-magnetic liquid, and the annular plays the effect of storing magnetorheological suspensions and being convenient for the deceleration block to remove.

Further, the material of deceleration piece is hard rubber material and the size of deceleration piece is less than the size of mounting bracket, and the deceleration piece plays the effect that reduces the pivot rotational speed, the shape of orifice is circular-arc and the width of orifice is less than half of deceleration piece width, and the orifice plays the effect that makes the circulation of magnetorheological fluid.

Furthermore, the material of pivot is hard rubber material and the pivot does not have magnetic conductivity and electric conductivity, and the pivot plays driven effect, the shape of spout is cuboid and the size of spout is less than the size spout of pivot and plays the effect that the slider of being convenient for removed.

Further, the material of slider is the long cubic form for the shape of stereoplasm high strength material and slider, and the slider plays driven effect, the size of dielectric plate is less than the size of slider and the quantity of dielectric plate is three, and the dielectric plate plays the effect that changes circuit voltage.

Further, the same and positive plate of positive plate and negative plate size and the quantity of positive plate and negative plate are three, and positive plate and negative plate play the effect of control circuit voltage size together, resistance is the minimum circuit voltage that piezo-resistor and resistance are greater than through the negative plate, and resistance plays the effect of control electromagnet circuit intercommunication condition.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged partial view of portion A of FIG. 1;

FIG. 3 is a schematic diagram of the electromagnet energizing structure of 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 mounting frame; 2. a ring groove; 3. a deceleration block; 4. a damping hole; 5. an iron block; 6. a rotating shaft; 7. a chute; 8. a spring; 9. a slider; 10. a dielectric plate; 11. a positive plate; 12. a negative plate; 13. a resistance; 14. an electromagnet.

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 effective stall-proof protection device for a paper winding machine comprises an installation frame 1, wherein the installation frame 1 is made of a hard high-strength material, the installation frame 1 is hexagonal, the installation frame 1 plays a role in fixing each part, magnetorheological fluid is filled in an annular groove 2, the main components of the magnetorheological fluid are suspensions of magnetic polarized particles and nonmagnetic liquid, the annular groove 2 plays a role in storing the magnetorheological fluid and facilitating movement of a speed reducing block 3, the annular groove 2 is formed in the inner wall of the installation frame 1, three speed reducing blocks 3 which are uniformly distributed are movably connected to the inner wall of the annular groove 2, the speed reducing block 3 is made of a hard rubber material, the size of the speed reducing block 3 is smaller than that of the installation frame 1, the speed reducing block 3 plays a role in reducing the rotating speed of a rotating shaft 6, the damping holes 4 are arc-shaped, and the width of the damping holes 4, the damping hole 4 plays a role in circulating the magnetorheological fluid, and the damping hole 4 is formed in the inner wall of the speed reducing block 3;

the inner wall of the speed reducing block 3 is fixedly connected with an iron block 5, the middle part of the mounting rack 1 is movably connected with a rotating shaft 6, the rotating shaft 6 is made of hard rubber materials, the rotating shaft 6 does not have magnetic conductivity and electric conductivity, the rotating shaft 6 plays a role in transmission, the chute 7 is cuboid, the size of the chute 7 is smaller than that of the rotating shaft 6, the chute 7 plays a role in facilitating the movement of the slider 9, the middle part of the rotating shaft 6 is provided with the chutes 7 which are uniformly distributed, the inner wall of the chute 7 is fixedly connected with springs 8, the outer side of each spring 8 is fixedly connected with the slider 9, the slider 9 is made of hard high-strength materials, the slider 9 is cuboid, the slider 9 plays a role in transmission, the size of the dielectric plates 10 is smaller than that of the sliders 9, the number of the dielectric plates 10 is three, the dielectric plates 10 play a role in changing circuit voltage;

inner wall fixedly connected with positive plate 11 of pivot 6, the same and positive plate 11 of the size of positive plate 11 and negative plate 12 and the quantity of negative plate 12 are three, positive plate 11 and negative plate 12 play the effect of control circuit voltage size together, resistance 13 is piezo-resistor and resistance 13's the biggest access voltage is greater than the minimum circuit voltage through negative plate 12, resistance 13 plays the effect of control electromagnet 14 circuit intercommunication situation, the inner wall fixedly connected with of pivot 6 and the symmetrical negative plate 12 of positive plate 11, the inner wall fixedly connected with resistance 13 of pivot 6, the inner wall fixedly connected with electromagnet 14 of pivot 6.

The working principle is as follows: when the winder normally works, the slide block 9 contracts into the inner side of the rotating shaft 6 under the action of the spring 8, the relative area of the positive plate 11 and the negative plate 12 is increased to the maximum by the dielectric plate 10, the circuit voltage passing through the negative plate 12 is larger than the maximum path voltage of the resistor 13, so the resistor 13 is in an open circuit state, the electromagnet 14 is in the open circuit state, the viscosity of the electrorheological fluid in the ring groove 2 is low, and the speed reducing block 3 can freely move in the winder;

when the paper winding machine stalls, the sliding block 9 moves outwards to the maximum under the action of centrifugal force of the rotating shaft 6, the dielectric plate 10 reduces the relative area of the positive plate 11 and the negative plate 12 to the minimum, the resistor 13 is in a state of passage, the electromagnet 14 is also in a state of electrification, the viscosity of magnetorheological fluid in the annular groove 2 is increased under the action of the electromagnet 14, the electromagnet 14 and the iron block 5 are magnetically attracted, the rotating shaft 6 and the speed reducing block 3 are relatively fixed together, and the speed reducing block 3 is difficult to move in the annular groove 2, so that the rotating shaft 6 is effectively prevented from stalling, and the working efficiency of the paper winding machine is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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.