A kind of felt wrapped roll unit of supercalender
Technical field
The felt wrapped roll unit of a kind of supercalender, belongs to paper making equipment technical field.
Background technology
In paper production, calender is the key equipment finally determining paper quality index.For a long time, high culture
Paper using such as art paper, super sub-machine-glazed paper and special industrial technical paper are all to carry out ornamenting on existing supercalender.
The multiple felt wrapped roll of existing supercalender is vertically arranged, due to felt wrapped roll deadweight impact, each linear load from top to bottom by
Cumulative greatly, cause paper two sides quality index difference after press polish relatively big, hamper the raising of paper class, impact printing speed
Degree and printing effect.Some existing supercalender top roller bottom roller is fixing crowned roll, when active line pressure changes, roll body
The change of bend by pressure degree causes the banner difference of quality index after paper press polish ornamenting bigger.
It addition, the felt wrapped roll of existing supercalender is all to be controlled by swing arm by oil cylinder, to balance the gravity of felt wrapped roll,
But what this structure made that felt wrapped roll in the vertical direction does is oscillating motion, and in motor process, the center of felt wrapped roll does not exists
In same vertical plane, the spatial position change causing felt wrapped roll is big, processing and the more problems of operating process.And due to pressure
Smooth roll is in use due to abrasion, and diameter can change, and therefore causes felt wrapped roll position relative with dancing roll to occur
Change, have impact on press polish and leads the effect of paper.
Chinese utility model patent ZL201320297415.0 discloses a kind of glazing calender, and balancing cylinder is by handing-over
Swing arm in rack rows balances the gravity of felt wrapped roll, when balancing felt wrapped roll gravity, and transporting around interface point seat circular arc of felt wrapped roll
Dynamic, the space of felt wrapped roll unit changes greatly, and felt wrapped roll is easy to press polish occur at quickly point roller during quickly closing roller
The problem that roller mutually collides, damages felt wrapped roll, and felt wrapped roll can be sent out with the abrasion of felt wrapped roll with the relative position of dancing roll
Changing, affects the press polish of paper web.The gravitational equilibrium mode of this employing swing arm, in the field of structural design of supercalender
Belong to technology mistaken ideas, and in the improvement of supercalender, not can solve the problem that felt wrapped roll space is big and felt wrapped roll
Technical scheme with the problem that dancing roll can change relative to position.
Summary of the invention
The technical problems to be solved in the utility model is: overcome the deficiencies in the prior art, it is provided that a kind of felt wrapped roll and lead paper
Roller synchronizing moving and make the felt wrapped roll unit of supercalender that felt wrapped roll moves along a straight line.
This utility model solves its technical problem and be the technical scheme is that the felt wrapped roll unit of this supercalender,
It is characterized in that: include felt wrapped roll and dancing roll, felt wrapped roll by guider vertically slidable be arranged on supercalender machine
On frame, dancing roll is directly or indirectly fixed with guider and is connected, and with felt wrapped roll synchronization lifting.
Preferably, described felt wrapped roll is arranged on described guider by felt wrapped roll bearing block, felt wrapped roll bearing block
Being provided with dancing roll installing rack, described dancing roll is arranged on dancing roll installing rack, and dancing roll and felt wrapped roll are positioned at guiding
The same side of device.
Preferably, described guider being provided with dancing roll installing rack, described dancing roll is rotatably installed in dancing roll
On installing rack, dancing roll and felt wrapped roll lay respectively at guider both sides.
Preferably, described guider includes that slide, slide are provided with chute.
Preferably, described guider is provided with hanger, and hanger and described felt wrapped roll are separately positioned on described guiding and fill
Putting both sides, hanger connects balancing cylinder, and balancing cylinder one end is hinged with described hanger, and balancing cylinder is obliquely installed, balance
Oil cylinder one end hinged with hanger is less than the other end.
Preferably, described balancing cylinder is more than 45 ° with the angle of horizontal plane.
Preferably, described guider is provided with felt wrapped roll groove, felt wrapped roll groove be symmetrically arranged on two with inclined-plane up and down, make
Felt wrapped roll groove the most gradually broadens;It it is the arc of indent in the middle part of felt wrapped roll groove.
Preferably, the inclination angle on described inclined-plane is 30 ° or 45 °.
Preferably, the outer wall of described dancing roll is provided with two sections of oppositely oriented spiral exhibition paper grooves, and two sections of exhibition paper grooves are being led
Connect in the middle part of paper bowl, formed by the screw thread extended to both sides in the middle part of dancing roll;Described exhibition paper groove is that multi-head spiral is arranged, and opens up paper
The head number of groove is directly proportional to the external diameter of described dancing roll.
Compared with prior art, the felt wrapped roll unit of supercalender of the present utility model is had the beneficial effect that
1, in the felt wrapped roll unit of this supercalender, felt wrapped roll is arranged on guider, and felt wrapped roll and dancing roll are in fact
Show synchronizing moving, it is to avoid in use felt wrapped roll changes with the relative position of dancing roll, affect the press polish effect of paper
Really;Guider makes felt wrapped roll and dancing roll for linear motion, compared with swing arm motion, and the space change of felt wrapped roll
Little, and process few with the middle problem of operating process, and ensure that the center of all felt wrapped rolls is all at same vertical plane
In.
2, dancing roll installing rack is arranged on felt wrapped roll bearing block, makes dancing roll and felt wrapped roll be arranged on the same of guider
Side;Dancing roll installing rack is arranged on guider, makes dancing roll and felt wrapped roll lay respectively at the both sides of guider, makes to lead
Paper bowl is positioned at the both sides of felt wrapped roll and is crisscross arranged, it is achieved that paper web can be opened up when completing at entrance nip and press polish
Paper, and the structure of slide need not change, reduce difficulty of processing.
3, slide is provided with chute, can guide slide, moreover it is possible to ensure sliding seat stabilizing motion, it is ensured that slide is made
Linear motion, it is to avoid damage felt wrapped roll or paper during closing roller or roll release.
4, when quick roll release, felt wrapped roll hurtles down under gravity, and hanger can fix in supercalender frame
Holding division on, thus realize spacing to felt wrapped roll, conveniently realize quick roll release;Hanger lays respectively at felt wrapped roll installation portion
The both sides of guider, balancing cylinder can be divided into vertical equilibrant and horizontal equilibrant to the driving force of guider, vertically
The gravity of guider and the felt wrapped roll being arranged on guider and dancing roll can be balanced by equilibrant, laterally puts down
The component of guider horizontal direction can be balanced by weighing apparatus power, thus reduce guider and supercalender frame it
Between frictional force.
5, balancing cylinder and the angle of horizontal plane are more than 45 °, it is ensured that the vertical equilibrant of balancing cylinder is more than laterally balance
Power, it is ensured that felt wrapped roll and the balance of the gravity of dancing roll that balancing cylinder to guider and is arranged on guider are imitated
Really.
6, the inclined-plane of the both sides of felt wrapped roll groove is for positioning felt wrapped roll bearing block when installing felt wrapped roll, convenient pressure
Smooth roll is accurately installed;The arc of middle part indent makes the middle part of felt wrapped roll groove and felt wrapped roll bearing block interval arrange, thus ensures pressure
Light roll bearing seat can preferably be positioned and secured on guider.
7, the inclination angle on inclined-plane is 30 ° or 45 °, conveniently coordinates, at felt wrapped roll with the inclined-plane of the most existing bearing block
Convenient purchase and accessory when bearing block is damaged.
8, dancing roll passes through two sections of different spiral helicine exhibition paper grooves of rotation direction by paper web to both sides expansion, by the pleat on paper web
Wrinkle is launched, thus avoid when to web calendered on paper web with fold, it is to avoid the generation of defective work;Dancing roll is by paper web
From middle part to both sides exhibition, paper web motion of paper web during exhibition paper will not offset;The head number of exhibition paper groove is with outside diameter of barrel
Increase and increase, thus ensure that exhibition paper groove exhibition paper effect.
Accompanying drawing explanation
Fig. 1 is the schematic top plan view of the felt wrapped roll unit of supercalender.
Fig. 2 is that the right side of the felt wrapped roll unit of supercalender regards schematic diagram.
Fig. 3 is that the right side of slide regards schematic diagram.
Fig. 4 is the schematic top plan view of slide.
Fig. 5 is the schematic front view of dancing roll.
Fig. 6 is the partial enlarged drawing in Fig. 5 at A.
Fig. 7 is the schematic top plan view of the felt wrapped roll unit of the supercalender of embodiment 2.
Fig. 8 is that the right side of the felt wrapped roll unit of the supercalender of embodiment 2 regards schematic diagram.
In figure: 1, supercalender frame 2, jointed shaft 3, balancing cylinder 4, guide rail 5, slide 6, felt wrapped roll
Bearing block 7, dancing roll installing rack 8, dancing roll 801, exhibition paper groove 9, dancing roll bearing block 10, felt wrapped roll 11,
Pressing plate 12, connecting plate 13, hanger 14, felt wrapped roll installation portion.
Detailed description of the invention
Fig. 1 ~ 6 are most preferred embodiments of the present utility model, and 1 ~ 8 pair of this utility model does furtherly below in conjunction with the accompanying drawings
Bright.
The felt wrapped roll unit of a kind of supercalender, including felt wrapped roll 10 and dancing roll 8, felt wrapped roll 10 passes through guider
Vertically slidable is arranged in supercalender frame 1, and dancing roll 8 is directly or indirectly fixed with guider and is connected, and with pressure
Smooth roll 10 synchronization lifting.In the felt wrapped roll unit of this supercalender, felt wrapped roll 10 and dancing roll 8 are installed on guider,
And felt wrapped roll 10 and dancing roll 8 achieve synchronizing moving, it is to avoid the in use relative position of felt wrapped roll 10 and dancing roll 8
Change, affect the calendaring effect of paper;Guider makes felt wrapped roll 10 and dancing roll 8 for linear motion, moves with swing arm
Comparing, the space change of felt wrapped roll 10 is little, and processes few with the middle problem of operating process, and ensure that all
The centrage of felt wrapped roll 10 is all in same vertical plane.
Embodiment 1
As shown in Figure 1 and 2: supercalender frame 1 is provided with two guide rails 4, and two guide rails 4 are vertically arranged, two guide rails
The cross section of 4 is "T"-shaped.Guider is slide 5, and slide 5 is provided with "T"-shaped chute, and slide 5 is arranged on by chute and leads
On rail 4, and can slide up and down along guide rail 4.
The two ends of felt wrapped roll 10 are all fixed on slide 5 by felt wrapped roll bearing block 6.On two felt wrapped roll bearing blocks 6 all
Being provided with dancing roll installing rack 7, each dancing roll installing rack 7 is equipped with dancing roll bearing block 9, the two ends of dancing roll 8 are all pacified
It is contained on dancing roll bearing block 9.Felt wrapped roll 10 is parallel with the axis of dancing roll 8, and the outer surface of felt wrapped roll 10 and dancing roll 8
Outer surface interval is arranged, it is ensured that the motion of felt wrapped roll 10 and dancing roll 8 will not mutually hinder, and paper web is being carried out press polish
During leading paper, impression will not be left on paper web because of dancing roll 8 and the extruding of felt wrapped roll 10.Dancing roll 8 is arranged
At felt wrapped roll 10 away from the side of slide 5.
The piston rod of balancing cylinder 3 joins on slide 5, each slide 5 be respectively provided on two sides with a balancing cylinder 3.
The other end of balancing cylinder 3 is joined in supercalender frame 1 by jointed shaft 2.Jointed shaft 2 is rotatably installed on guide rail 4,
And the equal protruding rail in two ends 4, the balancing cylinder 3 of slide 5 both sides is rotationally connected with the jointed shaft 2 being positioned at guide rail 4 both sides respectively.Flat
The weight of felt wrapped roll 10 and dancing roll 8 can be balanced by weighing apparatus oil cylinder 3, thus ensures upper nips and the pressure of bottom nip
Keeping consistent, the two sides greatly reducing paper web is poor;Each slide 5 be respectively provided on two sides with a balancing cylinder 3, Ji Nengbao
Demonstrate,prove the equilibrant to slide 5 uniform, but also less oil cylinder can be used.
Be also equipped with motor (being not drawn in figure) in the side of slide 5, motor is connected with felt wrapped roll 10, and drives felt wrapped roll
10 rotate, so that the felt wrapped roll unit of this supercalender forms a complete unit that works alone, at supercalender
Roll release and close during roller, motor will not change with the relative position of felt wrapped roll 10, thus ensures motor and felt wrapped roll
Between 10, transmission is accurate.
As shown in Fig. 3 ~ 4: slide 5 is "T"-shaped bloom, connecting plate 12 is arranged on the two ends of slide 5 horizontal part, and with cunning
Seat 5 is fixing to be connected, and connecting plate 12 is rectangle steel plate, and the width of connecting plate 12 is slightly smaller than the thickness of slide 5 horizontal part.
The top of connecting plate 12 is provided with hanger 13, and hanger 13 is arranged far from the side of slide 5 vertical portion, hanger 13 and company
Fishplate bar 12 is wholely set.Hanger 13 is rectangle, and the length of hanger 13 is less than the length of connecting plate 12 and is arranged on connecting plate
The top of 12.
Vertical oil cylinder link slot it is additionally provided with on hanger 13.When mounted, the piston rod of balancing cylinder 3 puts in oil cylinder connection
In groove, then by hinged with hanger 13 through jointed shaft.Hanger 13 and felt wrapped roll installation portion 14 are respectively provided with guider two
Side.
When mounted, one end hinged with hanger 13 is obliquely installed balancing cylinder 3 less than the other end, and the other end is away from cunning
Seat 5 is arranged.The gravity of felt wrapped roll installation portion 14 can make slide 5 compress the supercalender frame 1 installed, owing to hanger 13 is arranged
At the opposite side of slide 5, therefore the transverse component of balancing cylinder 3 can partly or entirely balance slide 5 to supercalender machine
The horizontal thrust of frame 1, thus reduce frictional force when slide 5 slides;Balancing cylinder 3 the most discrete is to slide 5 with sliding
Dancing roll 8 and the gravity of felt wrapped roll 10 on seat 5 are balanced.The axis of balancing cylinder 3 and the angle of horizontal plane be 50 ° ~
60 °, thus ensure that vertical force component is more than transverse component, thus preferably to the dancing roll 8 on slide 5 and slide 5 and felt wrapped roll
The gravity of 10 is balanced.
Hanger 13 can also play spacing effect.Supercalender frame 1 is provided with block (being not drawn in figure), super
During the felt wrapped roll 10 of calender quick roll release under gravity, the bottom of hanger 13 can fix in supercalender frame 1
Block on, it is achieved the location of slide 5, thus realize after the quick roll release of felt wrapped roll 10 spacing.
The vertical portion of slide 5 is felt wrapped roll installation portion 14, is provided with the air roll of horizontal direction in the middle part of felt wrapped roll installation portion 14
Groove, air roll groove is the arc of middle part indent, and the both sides up and down of air roll groove are equipped with screwed hole, and felt wrapped roll bearing block 6 passes through
Spiral is fixed on felt wrapped roll installation portion 14, and the axis of felt wrapped roll 10 is parallel with the axis of felt wrapped roll groove.
Felt wrapped roll groove be symmetrically arranged on two with inclined-plane up and down, make felt wrapped roll groove gradually broaden outside interior, and felt wrapped roll groove
The arc that middle part is indent, the inclined-plane of the both sides of felt wrapped roll groove for install felt wrapped roll 10 time felt wrapped roll bearing block 6 is entered
Row location, facilitates felt wrapped roll 10 accurately to install;The arc of middle part indent makes the middle part of felt wrapped roll groove and felt wrapped roll bearing block 6 be spaced
Arrange, thus ensure that felt wrapped roll bearing block 6 can preferably be positioned and secured on slide 5.The inclination angle on inclined-plane be 30 ° or
45 °, conveniently coordinate with the inclined-plane of the most existing bearing block, conveniently buy when felt wrapped roll bearing block 6 is damaged and join
Part.
Chute split is arranged, and including compressed part and guide part, guide part is the square groove being arranged on slide 5, compressed part
Opening side for square groove is provided with pressing plate 11.Pressing plate 11 has two pieces, is bolted on the both sides of square groove respectively, and with
Square groove matches, and forms "T"-shaped groove, easy to process.Chute split is arranged, it is not necessary to slide 5 slides to guide rail 4 end
Slide 5 is dismounted, easy accessibility.When maintenance guides 4 is with the slide 5 installed, it is only necessary to removing damaged slide 5 is i.e.
Can, it is not necessary to dismantle all of slide 5, facilitate the maintenance of supercalender.
As shown in Figure 5: the outer wall of dancing roll 8 is provided with two sections of different spiral exhibition paper grooves 801 of rotation direction, and two sections of exhibition paper grooves
801 are symmetrical arranged;Exhibition paper groove 801 is in single head or multi-head spiral shape, and the head number of exhibition paper groove 801 is with the increase of dancing roll 8 external diameter
And increase.
Dancing roll 8 is round steel pipe, the multidiameter being respectively arranged at two ends with for installation and transmission of dancing roll 8, two ends
Multidiameter is provided with keyway, to facilitate installation and the transmission of dancing roll 8.
The rotation direction of the exhibition paper groove 801 in left side is dextrorotation, and the rotation direction of the exhibition paper groove 801 on right side is left-handed, and the exhibition paper in left side
The exhibition paper groove 801 on groove 801 and right side dancing roll 8 middle part be connected, and form arrow shaped, it is ensured that the exhibition of dancing roll 8 both sides
The power of paper is symmetrical, it is to avoid during exhibition paper, due to the exhibition asymmetric amesiality operation causing paper web of paper power of dancing roll 8,
Also it is avoided that the phenomenon of the asymmetric paper web distortion caused of exhibition paper power, and will not stay at the middle part of paper web during exhibition paper
Lower impression.
The external diameter of the lead angle of exhibition paper groove 801, the exhibition head number of paper groove 801 and dancing roll 8 meets following condition:
Wherein:, P, D are respectively the exhibition lead angle of paper groove 801, pitch and external diameter;
N is the head number of exhibition paper groove 801.
The head number of exhibition paper groove 801 and the functional relationship of the external diameter of dancing roll 8, facilitate designer according to showing outside roller 8
The head number of footpath design exhibition paper groove 801, it is possible to well ensure the exhibition paper effect of exhibition paper groove 801, it is ensured that the exhibition paper effect of exhibition paper groove 801
The most moderate.
The optimal lead angle of exhibition paper groove 801 is 10 degree, and the lead angle of exhibition paper groove 801 is the biggest, and the expansion to paper web is imitated
Fruit is the biggest, and the lead angle of exhibition paper groove 801 increases, and the power that paper web is opened up paper also can increase, and the power of exhibition paper is the biggest, can be at paper web
On leave impression, even tear paper web.In use find, when lead angle is 10 degree, to the expansion effect of paper web
Good, and impression will not be left on paper web, also paper web will not be caused damage.The head number of exhibition paper groove 801 is five.
The polished process of outer surface of dancing roll 8, it is ensured that the smoothness of dancing roll 8 outer wall, thus during ensureing to open up paper
Paper web will not be damaged, it is ensured that the surface quality of paper web.
The outer surface plating hard chrome of dancing roll 8, if there is speed difference with paper web during exhibition paper in dancing roll 8, thus
Carry out opening up paper.Due to the existence of speed difference, causing dancing roll 8 and paper surface can there is friction, this will the table of derivation paper bowl 8
The wearability in face is high.Electrodeposited chromium adds the wearability on dancing roll 8 surface, thus improves the service life of dancing roll 8, reduces
The frequency changed, had both improve work efficiency, had reduced again the maintenance cost of equipment.
As shown in Figure 6: exhibition paper groove 801 be trapezoidal thread, and with junction, dancing roll 8 surface be circular arc realize open up paper groove
801 with the smoothly transitting of dancing roll 8 surface, it is ensured that the smooth degree on dancing roll 8 surface, thus avoid staying print on paper web
Trace, it is to avoid dancing roll 8 destroys the surface quality of paper web.
Exhibition paper groove 801 is the first inclined-plane near the side of dancing roll 8 end, and the side in the middle part of dancing roll 8 is second
Inclined-plane, the first inclined-plane is less than the second inclined-plane with the angle a of exhibition paper groove 801 bottom surface and opens up the angle r of paper groove 801 bottom surface so that exhibition
Paper groove 801 launch paper side exhibition paper power less, be both avoided that on paper web, left impression, moreover it is possible to avoid paper web due to
Exhibition paper power is relatively big and reduces intensity and even tears.
The using method of this bidirectional screw dancing roll has following two mode: one is that dancing roll 8 joins transmission, needs dancing roll
The linear velocity of the cylindrical of 8 is slightly faster than the speed of paper web, thus produces speed difference, and paper web plays exhibition paper effect.Such as Fig. 5 institute
Showing: the most in use, paper web needs the motion down over from dancing roll 8.
Two is that dancing roll 8 rotates with the motion of paper web, and now the linear velocity of the outer wall of dancing roll 8 can be less than the speed of paper web
Degree.As shown in Figure 5: the most in use, paper web needs to move upward from the lower section of dancing roll 8.
Embodiment 2
As shown in Fig. 7 ~ 8: embodiment 2 is with the difference of embodiment 1: dancing roll installing rack 7 is arranged on cunning by bolt
On the connecting plate 12 of seat 5 sides, so that dancing roll 8 and felt wrapped roll 10 lay respectively at the both sides of slide 5, dancing roll 8 and pressure
The axis of smooth roll 10 be arranged in parallel, and dancing roll 8 and the axis of felt wrapped roll 10.
The above, be only preferred embodiment of the present utility model, is not that this utility model is made other form
Restriction, any those skilled in the art are changed possibly also with the technology contents of the disclosure above or are modified as equivalent
The Equivalent embodiments of change.But every without departing from technical solutions of the utility model content, real according to technology of the present utility model
Any simple modification, equivalent variations and the remodeling that confrontation above example is made, still falls within the guarantor of technical solutions of the utility model
Protect scope.