CN207277080U - A kind of dehydration device of single cylinder two-wire (paper) machine - Google Patents

Abstract

It the utility model is related to papermaking equipment equipment technical field, it is specifically related to a kind of dehydration device of single cylinder two-wire (paper) machine, including stent, breast roll, forming net and the rocking movement being connected with breast roll one end, rocking movement includes motor, shake bar and the shaking box being connected with one end of shake bar；At least one gear set is provided with shaking box, gear set includes driving gear group and driven gear group, the weighting block of driving gear group and the weighting block direction of rotation of driven gear group are opposite and are symmetrical set on the path of contact of driving gear and driven gear, the driving shaft and motor of driving gear group.Compared with prior art, the papermaking quick-dehydration device of the utility model can make forming net do transverse movement by certain frequency and amplitude while lengthwise movement, paper pulp fiber is set to be uniformly dispersed, improve the dehydration efficiency of paper web, strengthen the intensity of paper web, and then ensure that the operational efficiency and quality of finished paper of paper machine.

Description

A kind of dehydration device of single cylinder two-wire (paper) machine

Technical field

Papermaking equipment apparatus field is the utility model is related to, especially a kind of dehydration device of single cylinder two-wire (paper) machine.

Background technology

In paper-making process, the intensity deficiency of paper web will result directly in paper web and occur disconnected paper, broken etc. in the process of running Bad phenomenon, and then the operational efficiency and product quality of paper machine are seriously affected, wherein, the basis for forming web strength is mainly wrapped Include frictional force between paper pulp fiber and with reference to power, but for wet web, its intensity basis is mainly the frictional force between paper pulp fiber, And the intensity basis of dry paper web is in addition to paper pulp fiber frictional force, more important is with the combination power between paper pulp fiber, by Combination power between paper pulp fiber will be far longer than interfibrous frictional force, thus the intensity of wet web will be well below dry paper web Intensity, but the intensity of wet web can be greatly improved with the increase of mass dryness fraction, therefore improve the mass dryness fraction of wet web just from root It ensure that the good operation of paper web in sheet, and then ensure the operational efficiency and quality of finished paper of paper machine.

Paper making forming wet end is the primary process of sheet forming, bears the intertexture for making paper pulp fiber good, obtains tissue Good paper web and shaped paper web is obtained the task of certain mass dryness fraction, its direct shadow of dehydration quality to paper web Ring the processing procedure to paper web subsequent processing, but traditional shaping wet end process it is general be that forming net is to vertically move, its It is laterally opposing stationary, is sprayed onto on forming net behind certain point to stop in paper pulp and advances at that point with forming net, this paper The paper pulp fiber that starching laterally opposed static state can make to be located below, which is easily deposited on forming net wire side, forms compacted zone, shadow Loud pulp layer above continues to be dehydrated, meanwhile, the heterogeneity of banner heterogeneity or banner whitewashing on forming net can cause Into the heterogeneity of paper banner, and then influence the product quality into paper.Therefore, for it is above-mentioned deficiency, it is necessary to existing papermaking into The structure of shape wet end is improved, and forming net is had transverse movement while lengthwise movement, improves paper web banner Uniformity and dehydration efficiency, increase the mass dryness fraction of paper web, and then strengthen the intensity of paper web, so as to ensure that the operational efficiency of paper machine And quality of finished paper.On the other hand, the breast roll structure design and in the dehydration device of paper machine is unreasonable, causes in use Easily there is phenomenon of rupture, the integral strength of the breast roll is poor, so as to shorten the use longevity of the dehydration device of paper machine Life.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of dehydration that can improve paper web The homogeneity of efficiency and paper web banner, and can further increase the mass dryness fraction and intensity of paper web, ensure the operation effect of paper machine Rate and quality of finished paper, the dehydration device of single cylinder two-wire (paper) machine for strengthening the integral strength of breast roll and prolonging the service life.

What the technical solution of the utility model was realized in：A kind of dehydration device of single cylinder two-wire (paper) machine, including branch Frame, the breast roll for being arranged at the stent, and the forming net being arranged on the breast roll, it is characterised in that：Further include with it is described The rocking movement that one end of breast roll is connected, the rocking movement include motor, shake bar, are connected with one end of the shake bar The shaking box that connects and the base for being arranged at below the shaking box and being slidably connected with the bottom plate of the shaking box；

At least one gear set is provided with the shaking box, the gear set includes driving gear group and driven gear Group, the driving gear group includes driving shaft, is arranged at the driving gear of the both ends of main drive shaft, and is arranged at the active Weighting block in the middle part of axis, the driven gear group include driven shaft, are arranged at the driven gear at the driven shaft both ends, Yi Jishe The weighting block being placed in the middle part of the driven shaft, the driving gear are meshed with the driven gear, the driving gear group Weighting block and the weighting block of the driven gear group be arranged to direction of rotation it is opposite and on the driving gear with it is described driven Gear is meshed center line symmetrical setting, and the driving shaft is connected with the motor；

The hollow setting of breast roll, the inner wall of the breast roll are equipped with several reinforcement grooves, several reinforcement grooves Circumferentially it is placed equidistant with, the groove depth of several reinforcement grooves and the diameter ratio of breast roll are 0.65-0.75, if described Strengthening groove for dry includes the first side wall, bottom wall and second sidewall, which is obtuse angle with angle formed by bottom wall, this second Side wall is that the distance between obtuse angle, the outer wall periphery and bottom wall of the breast roll is 5cm with angle formed by bottom wall.

Preferably：Be provided with two gear sets in the shaking box, the driving gear group of a gear set with it is another The driving gear group of a gear set is arranged in parallel and direction of rotation is on the contrary, the driven gear of one gear set The eccentric block and the weighting block of the driving gear group of another gear set of group are arranged to identical.

Preferably：The other end of the shake bar is connected by connecting bearing with the breast roll.

Preferably：The weighting block is arranged to semicircle block, secter pat or square block.

Preferably：The motor is arranged to servo digital control motor.

Preferably：The shake amplitude of the shaking box is arranged to 0mm~30mm, and the shake set of frequency of the shaking box is 150~600 beats/min.

Preferably：The base is provided with rail plate, and the bottom plate of the shaking box offers sliding slot, and the shaking box leads to The rail plate and the sliding slot is crossed to be slidably connected with the base.

Preferably：The rail plate is arranged to V-way.

Preferably：Adjustment cushion block is provided with the base.

The beneficial effects of the utility model：A kind of dehydration device of single cylinder two-wire (paper) machine of the utility model, including branch Frame, the breast roll for being arranged at stent and the forming net being arranged on breast roll, further include the rocking movement being connected with breast roll one end, shake Mechanism of shaking includes motor, shake bar, the shaking box being connected with one end of shake bar and is arranged at shaking box lower section and and shake The base that the bottom plate of case is slidably connected；Be provided with least one gear set in shaking box, gear set include driving gear group and from Moving gear group, driving gear group includes driving shaft, is arranged at the driving gear of both ends of main drive shaft, and is arranged in the middle part of driving shaft Weighting block, driven gear group includes driven shaft, is arranged at the driven gear at driven shaft both ends, and is arranged in the middle part of driven shaft Weighting block, driving gear is meshed with driven gear, and the weighting block of driving gear group is set with the weighting block of driven gear group Opposite and be meshed on driving gear with driven gear center line symmetrical setting for direction of rotation, driving shaft is connected with motor Connect.During work, motor drives spindle rotation, and driving shaft is meshed by driving gear with driven gear to drive driven shaft Carry out the rotation of opposite direction, due to the weighting block on driving shaft and the weighting block on driven shaft be arranged to direction of rotation it is opposite, And the center line symmetrical setting being meshed on driving gear with driven gear, when motor rotates, weighting block on driving shaft and Weighting block on driven shaft can produce radially and tangentially two power under the influence of centrifugal force, wherein, two radial load size phases It is identical with direction, increase the nosing force of weighting block, and then promote waves case reach or retreat, by shake bar so as to fulfill chest The transverse movement of roller, makes to be arranged at the forming net on breast roll and laterally certain amplitude is produced while lengthwise movement, and then makes The paper pulp being sprayed onto on forming net is uniformly dispersed, and accelerates water separation capability, improves mass dryness fraction, ensures that the good paper web uniformity and intensity are special Sign, further improves into the quality of paper；And two tangential force size equidirectionals are formed on the contrary, so that tangential force is cancelled out each other One self-balancing system of shaking box, the defects of eliminating the up-down vibration of shaking box, ensure the stabilization of rocking movement working performance Property and reliability.Compared with prior art, the dehydration device of the single cylinder two-wire (paper) machine of the utility model can make forming net exist Transverse movement is done while lengthwise movement and by certain frequency and amplitude, makes to be sprayed onto the paper pulp fiber on forming net and disperses It is even, the dehydration efficiency of paper web is improved, strengthens the intensity of paper web, and then ensure that the operational efficiency and quality of finished paper of paper machine.And Several reinforcement grooves are equipped with the inner wall of breast roll, this several strengthen grooves and be placed equidistant with, the first side wall and bottom wall institute into Angle be obtuse angle and second sidewall with angle formed by bottom wall be obtuse angle coordinate this several strengthen grooves groove depth and breast roll it is straight Footpath ratio is 0.65-0.75, improves the integral strength of breast roll, ensure that breast roll in use, which is not easy Show phenomenon of rupture, integral strength is stronger, so as to extend the service life of fiberizer；If the first side wall and bottom wall institute into Angle be obtuse angle and second sidewall with angle formed by bottom wall be obtuse angle coordinate this several strengthen grooves groove depth and breast roll it is straight Footpath ratio is more than 0.75, and when breast roll is subject to external force bearing capacity, which phenomenon of rupture easily occurs, integral strength compared with Difference, so as to shorten the service life of fiberizer；If the first side wall is obtuse angle and second sidewall and bottom with angle formed by bottom wall Angle formed by wall is that obtuse angle coordinates the groove depth of several reinforcement grooves and the diameter ratio of breast roll to be that breast roll is subject to less than 0.65 During external force bearing capacity, which easily there is metaboly, and integral strength is poor, so as to shorten the use longevity of fiberizer Life；So it is that obtuse angle coordinates this several that angle formed by the first side wall and bottom wall, which is obtuse angle and second sidewall with angle formed by bottom wall, Strengthen the groove depth of groove and the diameter ratio of breast roll is relatively reasonable for 0.65-0.75, the integral strength of the breast roll is stronger.

The utility model is further arranged to：The groove depth phase of the distance between adjacent reinforcement groove and each reinforcement groove Deng.

By using above-mentioned technical proposal, the integral strength of breast roll is further improved, extends the service life of breast roll, into And extend service life.

Brief description of the drawings

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property Put, other attached drawings can also be obtained according to these attached drawings.

Fig. 1 is the utility model embodiment structure diagram；

Fig. 2 is A-A in Fig. 1 to schematic cross-sectional view.

Embodiment

The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts All other embodiments obtained, shall fall within the protection scope of the present invention.

As shown in Fig. 1-Fig. 2, the utility model discloses a kind of dehydration device of single cylinder two-wire (paper) machine, including stent 1st, the breast roll 2 of stent 1, and the forming net being arranged on breast roll 2 are arranged at, breast roll 2 is the reversing roller of forming net, it is therefore desirable to Breast roll 2 has good rigidity, and breast roll 2 is provided with axis and bearing block with the both ends that stent 1 is connected, makes axis in bearing block Can axial direction movement while rotation；The papermaking quick-dehydration device further includes the shake machine being connected with one end of breast roll 2 Structure 3, rocking movement 3 include motor, shake bar 4, the shaking box 5 being connected with one end of shake bar 4 and are arranged under shaking box 5 The base 6 that square and with shaking box 5 bottom plate is slidably connected, the other end of shake bar 4 are connected by connecting bearing 10 with breast roll 2 Connect, make the movement for being moved through shake bar 4 and then driving breast roll 2 of shaking box 5, it is horizontal to realize that breast roll 2 produces while rotating To movement, finally realize that forming net carries out shake by certain frequency and amplitude.

At least one gear set is provided with shaking box 5, gear set includes driving gear group 7 and driven gear group 8, actively Gear set 7 includes driving shaft 71, is arranged at the driving gear 72 at 71 both ends of driving shaft, and is arranged at the inclined of the middle part of driving shaft 71 Pouring weight 9, driven gear group 8 includes driven shaft 81, is arranged at the driven gear 82 at 81 both ends of driven shaft, and is arranged at driven shaft The weighting block 9 at 81 middle parts, driving gear 72 are meshed with driven gear 82, weighting block 9 and the driven gear group of driving gear group 7 8 weighting block 9 is arranged to direction of rotation conversely and is symmetrically set on the center line that driving gear 72 is meshed with driven gear 82 Put, driving shaft 81 is connected with motor, and the weighting block 9 on driving shaft 71 is produced with the weighting block 9 on driven shaft 82 when rotating Raw tangential force and radial load, wherein, the direction of two radial loads is identical, can further increase the nosing force of weighting block 9, and then push away Dynamic shaking box 5 moves, and realizes the transverse movement of breast roll 2, and the size equidirectional of tangential force makes to shake conversely so as to cancel out each other The defects of case 5 that shakes one self-balancing system of formation, the up-down vibration of elimination shaking box 5.Driving shaft 71 is connected with motor, its In, motor is arranged to servo digital control motor, by servo digital control motor can regulation motor at any time revolution, and then control breast roll 2 Transverse movement is done by certain amplitude and frequency, meets the dispersion degree requirement of different paper pulp fibers being sprayed onto on forming net, improves Dehydration efficiency.

The 2 hollow setting of breast roll, the inner wall of the breast roll 2 are equipped with several reinforcement grooves 21, several reinforcements Groove is circumferentially placed equidistant with, the groove depth H2 and the diameter H1 ratios of breast roll 2 of several reinforcement grooves 21 are 0.65- 0.75, several described reinforcement grooves 21 include the first side wall 211, bottom wall 212 and second sidewall 213, the first side wall 211 With bottom wall 212 formed by angle be obtuse angle, the second sidewall 213 and angle formed by bottom wall 212 be obtuse angle, the breast roll 2 outside The distance between wall periphery and bottom wall 212 H3 are 5cm；The integral strength of breast roll is improved, ensure that breast roll using process In, which is not easy phenomenon of rupture occur, and integral strength is stronger, so as to extend the service life of fiberizer；If The first side wall and angle formed by bottom wall are that obtuse angle and second sidewall with angle formed by bottom wall are that obtuse angle coordinates several reinforcements recessed The groove depth of groove and the diameter ratio of breast roll are more than 0.75, and when breast roll is subject to external force bearing capacity, it is existing which fracture easily occurs As occurring, integral strength is poor, so as to shorten the service life of fiberizer；If the first side wall is blunt with angle formed by bottom wall Angle and second sidewall and angle formed by bottom wall be obtuse angle coordinate this several strengthen the groove depth of grooves and the diameter ratio of breast roll is Less than 0.65, when breast roll is subject to external force bearing capacity, which easily there is metaboly, and integral strength is poor, so as to contract The short service life of fiberizer；So the first side wall is obtuse angle and second sidewall and angle formed by bottom wall with angle formed by bottom wall The groove depth of several reinforcement grooves and the diameter ratio of breast roll is coordinated to be 0.65-0.75 relatively reasonable for obtuse angle, the breast roll Integral strength is stronger.

The distance between adjacent reinforcement groove is equal with the groove depth of each reinforcement groove；Further improve the overall strong of breast roll Degree, extends the service life of breast roll, and then extend service life.

Further, weighting block 9 is arranged to semicircle block, secter pat or square block, it is preferred that weighting block 9 is arranged to half Circular block, semicircle block is by bolt or is weldingly fixed on driving shaft 71 and driven shaft 81.

In the present embodiment, be provided with two gear sets in shaking box 5, the driving gear group 7 of gear set and another The driving gear group 7 of gear set be arranged in parallel and direction of rotation on the contrary, and the driven gear group 8 of a gear set bias Block 9 and the weighting block 9 of the driving gear group 7 of another gear set are arranged to identical, when servo digital control motor rotates, two gears Two weighting blocks 9 in the driving gear group 7 of group produce radial load and tangential force, and the direction of two of which radial load is identical, Further increase the nosing force of weighting block 9, and then increase 5 displacement distance of shaking box, increase the model of the transverse movement amplitude of breast roll 2 Enclose, meet the dispersion degree requirement of different paper pulp fibers, and the size of tangential force is identical and direction is conversely so as to cancel out each other, and makes The defects of one self-balancing system of formation of shaking box 5, the up-down vibration of elimination shaking box 5.

Further, the quantity of servo digital control motor is arranged to 2, and two motors connect the active of two gear sets respectively Axis 71, the revolution realization by adjusting two motors are controlled the frequency and amplitude of 2 transverse movement of breast roll.

Further, the shake amplitude of shaking box 5 is arranged to 0mm~30mm, and the shake set of frequency of shaking box 5 is 150 ~600 beats/min.

In the present embodiment, base 6 is provided with rail plate 61, which is arranged to V-way, and V row guide rails are led Preferable to precision, contact area is big, and elastic deformation amount is small, easily realizes high rigidity, can be compensated automatically after abrasion；The bottom of shaking box 5 Plate offers sliding slot, and shaking box 5 is slidably connected by rail plate 61 and sliding slot with base 6.

Further, adjustment cushion block is provided with base 6, adjustment cushion block is preferably cast iron adjustment parallels, which adjusts Cushion block adjustable height is 3mm~15mm, has the characteristics that easy to adjust, migration is flexible.

The operation principle of the utility model：

During work, servo digital control motor drives the driving shaft 71 of driving gear group 7 to rotate, and driving shaft 71 passes through driving gear 72 are meshed with the driven gear 82 of driven gear group 8 and then drive driven shaft 81 to be rotated, due to inclined on driving shaft 71 It is opposite and nibbled on driving gear 72 and 82 phase of driven gear that pouring weight 9 and the weighting block 9 on driven shaft 81 are arranged to direction of rotation The center line symmetrical setting of conjunction, two weighting blocks 9 can produce radial load and tangential force when rotating, wherein, two radial direction force directions It is identical, further increase the nosing force of weighting block 9, and then promote waves case 5 to move forward or retreat, waves case 5 passes through 4 band of shake bar Dynamic breast roll 2 does transverse movement by certain amplitude and frequency, and the forming net for making to be arranged on breast roll 2 is while lengthwise movement Transverse movement is done by certain amplitude and frequency with breast roll 2, and then the paper pulp for making to be sprayed onto on forming net is uniformly dispersed, and accelerates de- Outlet capacity, improves mass dryness fraction, ensures the good paper web uniformity and strength characteristic, further improves into the quality and paper machine of paper Operational efficiency；And two tangential force size equidirectionals make the formation one of shaking box 5 on the contrary, so that tangential force is cancelled out each other The defects of self-balancing system, the up-down vibration of elimination shaking box 5, ensure the stability and reliability of 2 working performance of rocking movement； Meanwhile motor is servo digital control motor, the shake amplitude and frequency of breast roll 2 can be controlled by the revolution of regulation motor at any time System, improves the automation performance of rocking movement 3.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on, should be included in the utility model Protection domain within.

Claims (10)

1. a kind of dehydration device of single cylinder two-wire (paper) machine, including stent, the breast roll of the stent is arranged at, and is arranged at institute State the forming net on breast roll, it is characterised in that：Further include the rocking movement being connected with one end of the breast roll, the shake machine Structure include motor, shake bar, the shaking box being connected with one end of the shake bar and be arranged at shaking box lower section and with The base that the bottom plate of the shaking box is slidably connected；

At least one gear set is provided with the shaking box, the gear set includes driving gear group and driven gear group, institute Stating driving gear group includes driving shaft, is arranged at the driving gear of the both ends of main drive shaft, and is arranged in the driving shaft The weighting block in portion, the driven gear group includes driven shaft, is arranged at the driven gear at the driven shaft both ends, and is arranged at Weighting block in the middle part of the driven shaft, the driving gear are meshed with the driven gear, the weighting of the driving gear group It is opposite and on the driving gear and the driven gear that block and the weighting block of the driven gear group are arranged to direction of rotation Be meshed center line symmetrical setting, and the driving shaft is connected with the motor；

The hollow setting of breast roll, the inner wall of the breast roll are equipped with several reinforcement grooves, several reinforcement grooves edge circles Week is placed equidistant with, and it is 0.65-0.75 that described several, which strengthen the groove depth of grooves and the diameter ratio of breast roll, described several Strengthening groove includes the first side wall, bottom wall and second sidewall, and angle formed by the first side wall and bottom wall is obtuse angle, the second sidewall With bottom wall formed by angle be that the distance between obtuse angle, the outer wall periphery and bottom wall of the breast roll is 5cm.

A kind of 2. dehydration device of single cylinder two-wire (paper) machine according to claim 1, it is characterised in that：Adjacent reinforcement is recessed The distance between groove is equal with the groove depth of each reinforcement groove.

A kind of 3. dehydration device of single cylinder two-wire (paper) machine according to claim 1, it is characterised in that：In the shaking box Two gear sets are provided with, the driving gear group of a gear set is parallel with the driving gear group of gear set another described Set and direction of rotation is on the contrary, the eccentric block of the driven gear group of one gear set and another described described tooth The weighting block of the driving gear group of wheel group is arranged to identical.

A kind of 4. dehydration device of single cylinder two-wire (paper) machine according to claim 1, it is characterised in that：The shake bar The other end is connected by connecting bearing with the breast roll.

A kind of 5. dehydration device of single cylinder two-wire (paper) machine according to claim 1, it is characterised in that：The weighting block is set It is set to semicircle block, secter pat or square block.

A kind of 6. dehydration device of single cylinder two-wire (paper) machine according to claim 1, it is characterised in that：The motor is set For servo digital control motor.

A kind of 7. dehydration device of single cylinder two-wire (paper) machine according to claim 1, it is characterised in that：The shaking box Shake amplitude is arranged to 0~30mm, and the shake set of frequency of the shaking box is 150~600 beats/min.

A kind of 8. dehydration device of single cylinder two-wire (paper) machine according to claim 1, it is characterised in that：The base is set Have a rail plate, the bottom plate of the shaking box offers sliding slot, the shaking box by the rail plate and the sliding slot with The base is slidably connected.

A kind of 9. dehydration device of single cylinder two-wire (paper) machine according to claim 8, it is characterised in that：The rail plate It is arranged to V-way.

A kind of 10. dehydration device of single cylinder two-wire (paper) machine according to claim 1, it is characterised in that：On the base It is provided with adjustment cushion block.