阅读说明：本技术 一种造纸机上卷取辊工作过程中用安全防护装置 (Safety protection device for working process of upper reeling roll of paper machine ) 是由 李志强 于 2021-03-03 设计创作，主要内容包括：本发明涉及造纸机技术领域,且公开了一种造纸机上卷取辊工作过程中用安全防护装置,包括本体,所述本体外侧面转动连接有卷取辊,卷取辊的外部固定连接有转轮,转轮的内部活动连接有转轴,转轴的外部固定连接有链轮,链轮的外部啮合有链条,链条的外部固定连接有固定杆,固定杆的外部固定连接有弹簧一,转轴的外部活动连接有固定组件；通过转轴、链轮、链条、固定杆、固定孔、固定组件、弹簧一、控制组件之间的相互作用,能够在卷取辊转动速度超过正常速度范围时及时地对卷取辊进行止停,避免了卷取辊持续进行高速卷纸导致纸张崩断的情况发生,从而可以对纸张的收卷起到一定的安全防护作用,能够满足实际使用的需要。(The invention relates to the technical field of paper machines, and discloses a safety protection device for a winding roll on a paper machine in the working process, which comprises a body, wherein the outer side surface of the body is rotatably connected with the winding roll; through the interaction between pivot, sprocket, chain, dead lever, fixed orifices, fixed subassembly, spring one, the control assembly, can end to the winding roll in time when winding roll slew velocity surpasss normal speed scope and stop, avoided the winding roll to continuously carry out the condition that high-speed stock form leads to the paper to collapse absolutely and take place to can play certain safety protection effect to the rolling of paper, can satisfy the needs of in-service use.)

1. The utility model provides a take-up roll is safety device for working in-process on paper machine, includes body (1), its characterized in that: the outer side surface of the body (1) is rotatably connected with a winding roller (2), a rotating wheel (3) is fixedly connected to the outer portion of the winding roller (2), a rotating shaft (4) is movably connected to the inner portion of the rotating wheel (3), a chain wheel (5) is fixedly connected to the outer portion of the rotating shaft (4), a chain (6) is meshed to the outer portion of the chain wheel (5), a fixing rod (7) is fixedly connected to the outer portion of the chain (6), a spring I (8) is fixedly connected to the outer portion of the fixing rod (7), a fixing assembly (9) is movably connected to the outer portion of the rotating shaft (4), a control assembly (10) is movably connected to the inner portion of the rotating wheel (3), a connecting shell (11) is fixedly connected to the outer portion of the winding roller (2), a rotating shaft (12) is movably connected to the inner portion of the connecting shell (11), a gear, the inside swing joint of ratch (14) has stabilizing component (15), and the outside fixedly connected with volute spiral spring (16) of gear (13), the medial surface swing joint of connecting shell (11) has gear two (17), and fixed orifices (18) have been seted up to the medial surface of body (1).

2. The safety device for the reeling roll of the paper machine in the working process according to claim 1, wherein: spring I (8) and runner (3) fixed connection, the outside fixedly connected with nose bar of chain (6), nose bar and dead lever (7) fixed connection, the medial surface sliding connection of dead lever (7) and runner (3), the inside fixedly connected with feeler lever two of runner (3), the position, the specification of feeler lever two all with dead lever (7) phase-match.

3. The safety device for the reeling roll of the paper machine in the working process according to claim 1, wherein: the fixed assembly (9) mainly comprises a limiting wheel, an electric connecting column, an electrorheological body and a shell, the inner part of the rotating wheel (3) is fixedly connected with the shell, the inner part of the shell is fixedly connected with the electric connecting column, the electrorheological body is arranged in the shell, the outer part of the rotating shaft (4) is fixedly connected with the limiting wheel, and the limiting wheel and the electric connecting column are movably connected with the electrorheological body.

4. The safety device for the reeling roll of the paper machine in the working process according to claim 1, wherein: the control assembly (10) mainly comprises a second spring, a balancing weight and a first feeler lever, the inside fixedly connected with feeler lever of the rotating wheel (3), the inside fixedly connected with second spring of the rotating wheel (3), the bottom fixedly connected with balancing weight of the second spring, and the position and specification of the first feeler lever are matched with the balancing weight.

5. The safety device for the reeling roll of the paper machine in the working process according to claim 1, wherein: the outside fixedly connected with motor of body (1), gear two (17) and motor drive shaft fixed connection, the position, the specification of ratch (14) all with gear two (17) phase-match, volute spiral spring (16) and connecting shell (11) fixed connection, the inside fixedly connected with feeler lever three of connecting shell (11), position, the specification of feeler lever three all with ratch (14) phase-match.

6. The safety device for the reeling roll of the paper machine in the working process according to claim 1, wherein: the stabilizing component (15) mainly comprises an electromagnet, a third spring, an inserted bar and jacks, the electromagnet is fixedly connected inside the toothed bar (14), the third spring is fixedly connected outside the electromagnet, the inserted bar is fixedly connected outside the third spring, the jacks are formed in the inner side face of the connecting shell (11), and the positions and specifications of the jacks are matched with the inserted bar.

7. The safety device for the reeling roll of the paper machine in the working process according to claim 1, wherein: the rotating shaft (4), the rotating shaft (12), the electromagnet, the electric connecting column, the first contact bar, the second contact bar, the third contact bar, the external power supply and the driving power supply are all electrically connected with the control center, the rotating shaft (4) and the rotating shaft (12) are all electrically connected with the driving power supply, and the electromagnet and the electric connecting column are all electrically connected with the external power supply.

Technical Field

The invention relates to the technical field of paper machines, in particular to a safety protection device for a winding roll on a paper machine in the working process.

Background

The paper making machine is a machine for making paper by using pulp suspension meeting the paper making requirements through the processes of filter screen dewatering and forming, mechanical extrusion dewatering and drying. The paper machine includes 3 main parts for finishing the above technological processes, including finishing, winding and driving devices, and auxiliary systems for pulp supply, pulp and white water circulation, vacuum, ventilation and exhaust, broke treatment and lubrication, automatic control, etc. The paper that batches the technology process in the papermaking process is produced through the winding roll and carries out the rolling, and winding roll department on the current paper machine lacks the stock form in-process and carries out safety protection's relevant subassembly to the paper, consequently when winding roll slew velocity surpassed normal speed scope, the rate of tension that the paper received increases to will lead to the fact the damage to the spacing of paper inside, can cause the condition that the paper collapses absolutely even, will hinder the process production of papermaking like this, be unfavorable for going on continuously of papermaking work.

Therefore, there is a need for a safety guard for use in the operation of a take-up roll on a paper machine that addresses these problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a safety protection device for a winding roller on a paper machine in the working process, which has the advantages of stopping the winding roller in time when the rotating speed of the winding roller exceeds a normal speed range and separating the winding roller from a motor in the stopping process of the winding roller, and solves the problem that the paper is easily damaged when the rotating speed of the winding roller exceeds the normal speed range.

(II) technical scheme

In order to achieve the purpose that the winding roller can be stopped in time when the rotating speed of the winding roller exceeds the normal speed range and the winding roller can be separated from the motor in the stopping process of the winding roller, the invention provides the following technical scheme: a safety protection device used in the working process of a winding roller on a paper machine comprises a body, wherein the outer side surface of the body is rotatably connected with the winding roller, the outer part of the winding roller is fixedly connected with a rotating wheel, the inner part of the rotating wheel is movably connected with a rotating shaft, the outer part of the rotating shaft is fixedly connected with a chain wheel, the outer part of the chain wheel is meshed with a chain, the outer part of the chain is fixedly connected with a first spring, the outer part of the rotating shaft is movably connected with a fixing component, the inner part of the rotating wheel is movably connected with a control component, the outer part of the winding roller is fixedly connected with a connecting shell, the inner part of the connecting shell is movably connected with a rotating shaft, the outer part of the rotating shaft is fixedly connected with a first gear, the outer part of the first gear is meshed with a toothed bar, the inner, the inner side surface of the body is provided with a fixing hole.

Preferably, the first spring is fixedly connected with the rotating wheel, the outer portion of the chain is fixedly connected with a protruding rod, the protruding rod is fixedly connected with a fixing rod, the fixing rod is connected with the inner side face of the rotating wheel in a sliding mode, the inner portion of the rotating wheel is fixedly connected with a second contact rod, and the position and the specification of the second contact rod are matched with the fixing rod.

Preferably, the fixing assembly mainly comprises a limiting wheel, an electric current pole, an electric current variant and a shell, the shell is fixedly connected to the inside of the rotating wheel, the electric current pole is fixedly connected to the inside of the shell, the electric current variant is arranged inside the shell and mainly made of lime, gypsum, carbon powder and olive oil, the electric current variant is in a solid state under the condition of power-on, the electric current variant is in a liquid state under the condition of power-off, the limiting wheel is fixedly connected to the outside of the rotating shaft, and the limiting wheel and the electric current pole are movably connected with the electric current variant.

Preferably, the control assembly mainly comprises a second spring, a balancing weight and a first feeler lever, the feeler lever is fixedly connected to the inside of the rotating wheel, the second spring is fixedly connected to the inside of the rotating wheel, the balancing weight is fixedly connected to the bottom of the second spring, and the position and the specification of the first feeler lever are matched with the balancing weight.

Preferably, the outside fixedly connected with motor of body, gear two and motor drive shaft fixed connection, the position, the specification of ratch all match with gear two, volute spiral spring and connecting shell fixed connection, the inside fixedly connected with feeler lever three of connecting shell, position, the specification of feeler lever three all match with the ratch.

Preferably, the stabilizing component mainly comprises an electromagnet, a spring III, an inserted bar and an inserting hole, the electromagnet is fixedly connected to the inner part of the toothed bar, the spring III is fixedly connected to the outer part of the electromagnet, the inserted bar is fixedly connected to the outer part of the spring III, the inserted bar is made of a metal iron material, the inserting hole is formed in the inner side face of the connecting shell, and the position and the specification of the inserting hole are matched with the inserted bar.

Preferably, the rotating shaft, the electromagnet, the electric connecting column, the first contact bar, the second contact bar, the third contact bar, the external power supply and the driving power supply are electrically connected with the control center, the rotating shaft and the rotating shaft are electrically connected with the driving power supply, and the electromagnet and the electric connecting column are electrically connected with the external power supply.

(III) advantageous effects

Compared with the prior art, the invention provides a safety protection device for a winding roll on a paper machine in the working process, which has the following beneficial effects:

1. this take-up roll is safety device for working process on paper machine, through the pivot, the sprocket, the chain, the dead lever, the fixed orifices, fixed subassembly, spring one, the interact between the control assembly, can stop the take-up roll in time when take-up roll slew velocity surpasss the normal speed scope, avoided the take-up roll to continuously carry out the condition that high-speed stock form leads to the paper to collapse disconnected and take place, thereby can play certain safety protection effect to the rolling of paper, can satisfy the needs of in-service use.

2. This take-up roll is safety device for working process on paper machine through axis of rotation, gear one, gear two, ratch, stabilizing assembly, the interact between the volute spiral spring, can stop the time with take-up roll and motor separation at the take-up roll, has avoided the take-up roll to stop to lead to the fact the condition of damage to the motor to take place to greatly reduced the cost of paper production.

Drawings

FIG. 1 is a schematic view of the present invention in partial cross section;

FIG. 2 is a schematic view of the internal structure of the main body according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 2 according to the present invention;

FIG. 5 is a schematic view of the internal structure of the connecting shell of the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 5 at C according to the present invention.

In the figure: 1. a body; 2. a take-up roll; 3. a rotating wheel; 4. a rotating shaft; 5. a sprocket; 6. a chain; 7. fixing the rod; 8. a first spring; 9. a fixing assembly; 10. a control component; 11. a connecting shell; 12. a rotating shaft; 13. a first gear; 14. a rack bar; 15. a stabilizing assembly; 16. a volute spiral spring; 17. a second gear; 18. and (7) fixing holes.

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. 1-6, a safety device for a paper machine in a working process of a winding roller comprises a body 1, wherein the outer side surface of the body 1 is rotatably connected with a winding roller 2, the outer part of the winding roller 2 is fixedly connected with a rotating wheel 3, the inner part of the rotating wheel 3 is movably connected with a rotating shaft 4, the outer part of the rotating shaft 4 is fixedly connected with a chain wheel 5, the outer part of the chain wheel 5 is meshed with a chain 6, the outer part of the chain 6 is fixedly connected with a fixed rod 7, the outer part of the fixed rod 7 is fixedly connected with a spring I8, under a normal working condition, the spring I8 is in a compression state, the spring I8 is fixedly connected with the rotating wheel 3, the outer part of the chain 6 is fixedly connected with a convex rod, the convex rod is fixedly connected with the fixed rod 7, the fixed rod 7 is slidably connected with the inner side.

The external part of the rotating shaft 4 is movably connected with a fixing component 9, the fixing component 9 mainly comprises a limiting wheel, a power connection post, an electrorheological body and a shell, the internal part of the rotating wheel 3 is fixedly connected with the shell, the internal part of the shell is fixedly connected with the power connection post, under the normal working condition, the power connection post is in a power-on state, the electrorheological body is in a solid state, the interior of the shell is provided with the electrorheological body, the main materials of the electrorheological body comprise lime, gypsum, carbon powder and olive oil, under the power-on condition, the electrorheological body is in a solid state, under the power-off condition, the electrorheological body is in a liquid state, the external part of the rotating shaft 4 is fixedly connected with the limiting wheel, the limiting wheel and the power connection post are movably connected with the electrorheological body, the internal part of the rotating wheel 3 is movably connected with a control component, the inside fixedly connected with spring two of runner 3, the bottom fixedly connected with balancing weight of spring two, the balancing weight is made by insulating material, 2 slew velocity of winding roller are in normal speed within range, the balancing weight can't contact with feeler lever one under the effect of centrifugal force, when the slew velocity of winding roller 2 exceeded normal speed within range, the balancing weight removed under the effect of centrifugal force and contacted with feeler lever one, the position, the specification of feeler lever one all with the balancing weight phase-match.

The outer part of the winding roller 2 is fixedly connected with a connecting shell 11, the inner part of the connecting shell 11 is movably connected with a rotating shaft 12, the rotating shaft 4, the rotating shaft 12, an electromagnet, an electric connecting post, a first contact rod, a second contact rod, a third contact rod, an external power supply and a driving power supply are electrically connected with a control center, the rotating shaft 4 and the rotating shaft 12 are electrically connected with the driving power supply, the electromagnet and the electric connecting post are electrically connected with the external power supply, the outer part of the rotating shaft 12 is fixedly connected with a first gear 13, the outer part of the first gear 13 is meshed with a toothed bar 14, the inner part of the toothed bar 14 is movably connected with a stabilizing component 15, the stabilizing component 15 mainly comprises the electromagnet, a third spring, an inserted bar and a jack, the inner part of the toothed bar 14 is fixedly connected with the electromagnet, the outer part of the electromagnet is fixedly connected with a third spring, the, the position of jack, the specification all matches with the inserted bar, the outside fixedly connected with volute spiral spring 16 of gear 13, the medial surface swing joint of joint housing 11 has gear two 17, the outside fixedly connected with motor of body 1, gear two 17 and motor drive shaft fixed connection, the position of ratch 14, the specification all matches with gear two 17, volute spiral spring 16 and joint housing 11 fixed connection, the inside fixedly connected with feeler lever three of joint housing 11, the position of feeler lever three, the specification all matches with ratch 14, fixed orifices 18 has been seted up to the medial surface of body 1.

The working principle is as follows: when the device is used, when the rotating speed of the winding roller 2 exceeds a normal speed range, the counterweight block moves under the action of centrifugal force to be in contact with the first contact rod, so that the control center controls an external power supply to stop electrifying the electric pole, simultaneously controls the driving power supply to drive the rotating shaft 12 to rotate, controls the external power supply to electrify the electromagnet, generates magnetism after the electromagnet is electrified to attract the inserted rod mutually and drive the inserted rod to move to be movably inserted into the jack, the third spring can be compressed in the moving process of the inserted rod, the rotating shaft 12 rotates to drive the first gear 13 to rotate, the first gear 13 rotates to drive the toothed rod 14 to move, the first gear 13 drives the volute spring 16 to be compressed in a torsional mode in the rotating process, when the toothed rod 14 moves to be in contact with the third contact rod, the control center controls the driving power supply to stop driving the rotating shaft 12 to rotate, and controls the external, the electromagnet loses magnetism after power failure, at the moment, under the action of three resilience forces of the spring, the inserted link moves to reset and continues to be movably inserted into the jack, and at the moment, the winding roller 2 is separated from the motor.

The power-off of the power connection column enables the current variant to be converted from a solid state into a liquid state, the liquid current variant cannot limit the rotation of the limiting wheel, the rotating shaft 4 can rotate freely, the fixing rod 7 moves to be movably connected with the fixing hole 18 in an inserting mode under the action of resilience force of the spring 8, the rotating wheel 3 can be limited to rotate under the interaction of the fixing rod 7 and the fixing hole 18, the rotating wheel 3 cannot rotate to enable the winding roller 2 to rotate, and the winding roller 2 can be stopped.

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.