CN105525529A - Soft calender - Google Patents
Soft calender Download PDFInfo
- Publication number
- CN105525529A CN105525529A CN201610078511.4A CN201610078511A CN105525529A CN 105525529 A CN105525529 A CN 105525529A CN 201610078511 A CN201610078511 A CN 201610078511A CN 105525529 A CN105525529 A CN 105525529A
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- China
- Prior art keywords
- soft
- hot
- rolling
- roller
- nip
- Prior art date
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Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G1/00—Calenders; Smoothing apparatus
- D21G1/0006—Driving arrangements
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
- D21G1/00—Calenders; Smoothing apparatus
- D21G1/0073—Accessories for calenders
Abstract
The invention relates to a soft calender and belongs to finishing machinery of papermaking machinery. The soft calender is characterized in that included angles formed by the connecting line of axes of hot rollers and soft rollers in calendering areas and the vertical direction are 20-40 degrees; transmission device driving shafts and transmission shaft heads of the hot rollers and the soft rollers are connected through universal couplings, surfaces of high-carbon alloy steel rollers of the hot rollers are hardened layers, and the hardened layers have the hardness ranging from 700 HV to 750 HV and the hardening depth ranging from 12 mm to 15 mm. Bearings of the soft calender produce no vibration and abnormal abrasion. During exchange of upper soft rollers, all that is required is to change turning directions of the universal couplings of transmission devices and perform connection again. The mechanical properties and working performance of the hot rollers are improved greatly.
Description
Technical field
A kind of soft press-polishing machine, belongs to the ornamenting technical field of mechanical equipment in papermaking equipment.
Background technology
In paper production line, calender is the key equipment determining paper quality index.The soft press-polishing machine of widely used configuration hot-rolling and soft roller can meet the needs of different paper kind press polish ornamenting now.But also there are some problems in existing calender on roller material and layout:
1) in the burnishing process of paper web by a nip, the one side contacted with hot-rolling obtains good the calendaring effect.When needs are to the press polish of paper web another side time, the installation site of upper and lower felt wrapped roll will be exchanged, and at this moment existing calender all requires that the transmission device of upper and lower felt wrapped roll is also exchanged.Cause transmission structures complicated thus, cost of investment increases, dismounting time and effort consuming.
2), in the nip structure of existing calender, hot-rolling is generally set directly at directly over soft roller.When hot-rolling is put, because hot-rolling has the gravity of self, soft roller also has the holding power to hot-rolling upwards simultaneously, when roll gap pressure gravity close to hot-rolling own, because hot-rolling bearing load is very little or be even zero, easily produce vibration, cause bearing wear, impact normally runs.Also cause the wayward size of interaction force that hot-rolling contacts with soft roller, this just cannot ensure that the pressure set carries out good press polish to paper.Simultaneously upper and lower two felt wrapped rolls are arranged vertically or soft roller offset angle is too little, and hot-rolling is set directly at the top of soft roller, when soft roller needs to safeguard or change, must use heavy dedicated lifting hook, time and effort consuming when removing and installing soft roller, very inconvenient.
3) the hot-rolling roller material of existing soft press-polishing machine mostly is chilled cast iron, casting, there is uneven microstructure in the hot-rolling of existing most of soft press-polishing machine that this material and manufacture are, working face hardness is lower and hardness is uneven, wear no resistance, the problem that service life is shorter, chilled cast iron roll surface hardness 550HV ~ 560HV, case depth 8mm, the hardness of the hardened layer of roller prepared by casting technique is less, case depth is more shallow, easily just hardened layer is abraded after the short time uses, thus cause the surface irregularity of roller, the press polish work of paper cannot be completed again.The hot-rolling roller of existing soft press-polishing machine, crown controlled roll roller shell many employings casting technique, folding easily produce casting flaw, cause roller or roller shell mechanical property low, easily go out waste product.
Summary of the invention
The technical problem to be solved in the present invention is: overcome the deficiencies in the prior art, provides one to be convenient to soft roller dismounting, power drive system is fast easy to adjust.
The technical solution adopted for the present invention to solve the technical problems is: this soft press-polishing machine, comprise mainframe and press-roller device, press-roller device comprises hot-rolling and soft roller, the both sides that two groups of press-roller devices are located at mainframe respectively form the nip and two nips that are symmetricly set on mainframe, it is characterized in that: described soft roller adopts side putting type synchronous belt transmission device, two nip hot-rolling actuator drives axles of two described nips are connected by two nip hot-rolling transmission Hooks coupling universal couplings with two nip hot-rolling driven journals, the two nips soft roller actuator drives axle of two described nips is put driven journal with two nips soft roller side and is connected by two nips soft roller transmission Hooks coupling universal coupling.
Described hot-rolling and soft roller is dismountable is fixed on soft press-polishing machine mainframe, hot-rolling and soft roller position interchangeable.
Two described nip hot-rolling actuator drives axles are arranged on the midpoint of the soft roller of two nips and the axis connecting line of hot-rolling.
Described two nips soft roller actuator drives axle is arranged on outside two nip hot-rolling actuator drives axles, and the distance of two driving shafts is equal with the distance that the axis of the soft roller of two nips puts the axis of driven journal to two nips soft roller side.
Two described nip hot-rolling actuator drives axle axis are equal with the distance that described two nips soft roller actuator drives axle axis puts the axis of driven journal to two nips soft roller side to the distance of the axis of the soft roller of two nips.
Choosing of above-mentioned position can ensure, after hot-rolling and soft roller transposition, directly can carry out connection for transmission, without the need to carrying out position adjustment to transmission device again.When upper and lower two roller location swap, transmission system only need change the knuckle direction of Hooks coupling universal coupling, still connects with former driven journal, namely completes the exchange of transmission.Such transmission layout just meets soft roller location swap and the requirement that transmission device need not be changed, and uses very convenient.
Described hot-rolling transmission Hooks coupling universal coupling and hot-rolling actuator drives axle and hot-rolling driven journal are hinged.
Described soft roller transmission Hooks coupling universal coupling and soft roller actuator drives axle and soft roller is other puts driven journal and be hinged.
Felt wrapped roll transmission device of the present invention connects with Hooks coupling universal coupling with between felt wrapped roll driven journal.Utilize the knuckle drive characteristic of Hooks coupling universal coupling, after making soft roller location swap, transmission device does not need to reinstall.Crown controlled roll adopts side putting type synchronous belt transmission device, makes felt wrapped roll transmission system layout more reasonable.In upper soft roller position, timing is only needed to the knuckle direction of the Hooks coupling universal coupling changing transmission device, again connect.
The connecting line of the axis of described hot-rolling and soft roller rolls oblique 20o ~ 40o to mainframe.
The soft roller of nip structure of the present invention is biased suitable angle relative to hot-rolling, when entangling the lifting of soft roller shaft head with suspender belt, ensures that suspender belt and hot-rolling spindle nose do not interfere, easy accessibility.Hot-rolling is put, and soft roller is biased suitable angle relative to hot-rolling.When two rollers close up platen operation, hot-rolling bearing always has certain load, and bearing not easily produces vibration and abnormal wearing and tearing.
The connecting line of the axis of hot-rolling and soft roller and the angle of vertical direction are a, in order to suspender belt and hot-rolling spindle nose d when using suspender belt to lift by crane soft roller
1do not produce interference, soft roller offset angle a meets following formula:
a≧arcsin[(d
1+d
2+2δ）/(D
1+D
2)]
Wherein, d
1, D
1---hot-rolling spindle nose diameter and roller external diameter;
D
2, D
2---soft roller shaft head diameter and roller external diameter;
δ---safe space during messenger.
Rule of thumb with above-mentioned account form, present invention applicant confirms that the size of inclination angle a is at 20o ~ 40o.
Described mainframe is provided with guide roller after a lower steering roll and between a nip and two nips before and after paper feed direction, hot-rolling and soft roller tangent, the bottom surface of lower steering roll is under place, the point of contact horizontal plane of top roll and lower roll, and the end face of rear guide roller is on place, the point of contact horizontal plane of top roll and lower roll.
Now can carry out twice press polish to the one side of paper, this trowel finish is added smoothly.Utilize the outgoing nip of lower steering roll and rear guide roller change paper, enter nip angle, ensure that paper is advanced smooth and easy.
Described hot-rolling comprises high carbon alloy steel bowl and roll shaft, and the barrel of high carbon alloy steel bowl is forging barrel, and the surface of high carbon alloy steel bowl is hardened layer, and hardened layer hardness is 700HV ~ 750HV, and the hardening depth of hardened layer is 12mm ~ 15mm.
Described high carbon alloy steel bowl comprises forging barrel, and be provided with many heating oil runners in forging barrel, described roll shaft is connected along the axis of roller and the cylinder chamber of roller.
Described high carbon alloy steel bowl is prepared from by Forging Technology by the base substrate of high-carbon alloy steel, and the initial forging temperature of Forging Technology is 1350 DEG C ~ 1355 DEG C, and final forging temperature is 870 DEG C ~ 880 DEG C.。
It is higher that the surface of the hot-rolling of soft press-polishing machine of the present invention has hardness, and the hardened layer that hardening depth is larger, improves mechanical property and the service behaviour of hot-rolling greatly.The material of roller is high-carbon alloy steel.The present invention adopts high-carbon alloy steel after forging, form the roller with hardened layer as material, and the hardness of high-carbon alloy steel is larger, and the requirement of physical property and hot-rolling of the present invention is more applicable.Of the present inventionly to focus on, select high-carbon alloy steel to prepare hot-rolling through forging.The key point of Forging Technology is the selection of initial forging temperature and final forging temperature.The present invention suitably improves the selected point of initial forging temperature and final forging temperature, makes it produce amount of plastic deformation and obtains required change, thus meet the mechanical performance needed for calender roller.The defects such as the as cast condition that better elimination alloy produces in smelting process is loose, optimize heterogeneous microstructure, not only successfully add the degree of depth of the hardened layer (i.e. hardened layer) that forging is formed, and make the hardened layer of roller surface remain on higher hardness, the overall uniform in material of roller, dimensionally stable.
Inner side at spindle nose on described roll shaft has keyway.
One end of described high carbon alloy steel bowl is provided with the elbow of adjacent two or three heating oil flow passage.
Described roll shaft and high carbon alloy steel bowl interference fit, described roll shaft is fixed with flange, and roll shaft and high carbon alloy steel bowl carry out bolt by flange to be fixed.
Preferably, described initial forging temperature is 1350 DEG C, and final forging temperature is 872 DEG C.The hardened layer adopting this preferred initial forging temperature and final forging temperature can be forged into physical property and firm ray machine hot-rolling to adapt to the most.
The material of described high carbon alloy steel bowl is 9Gr2Mo or 9Gr3Mo.9Cr2Mo, 9Cr3Mo are GB standard brand.The physical property of the high-carbon alloy steel of these two kinds of trades mark and the requirement of hot-rolling of the present invention the most applicable, fully meet the forging requirement of hot-rolling of the present invention.
Described hot-rolling and soft roller are all bolted on soft press-polishing machine mainframe.Easily both can be dismantled rear transposition.
Be provided with outside described hot-rolling end face on place, the point of contact horizontal plane of hot-rolling and soft roller before guide roller.What utilize front guide roller change paper enters roller angle, ensures that paper is advanced smooth and easy.
Locating pad is provided with between the arm lower surface of described mainframe and mainframe.Locating pad ensures that soft roller drops to desired location after being separated with hot-rolling.
Preferably, the connecting line of the axis of described hot-rolling and soft roller rolls oblique 25o ~ 30o to mainframe.Fully can ensure that under this preferred angled angle soft roller shifts out space, ensure again the interaction force that hot-rolling contacts with soft roller.
Compared with prior art, the beneficial effect that the nip structure of a kind of soft press-polishing machine of the present invention has is: the felt wrapped roll transmission device of this soft press-polishing machine connects with Hooks coupling universal coupling with between felt wrapped roll driven journal.Utilize the knuckle drive characteristic of Hooks coupling universal coupling, after making soft roller location swap, transmission device does not need to reinstall.Crown controlled roll adopts side putting type synchronous belt transmission device, makes felt wrapped roll transmission system layout more reasonable.At two nips, upper soft roller position only needs the knuckle direction of the Hooks coupling universal coupling changing transmission device to timing, again connect.When upper and lower two roller location swap, transmission system only need change the knuckle direction of Hooks coupling universal coupling, still connects with former driven journal, namely completes the exchange of transmission.Such transmission layout just meets soft roller location swap and the requirement that transmission device need not be changed, and uses very convenient.Ensure that soft press-polishing machine felt wrapped roll system call interception is convenient and swift, time saving and energy saving.
When the nip structure of this soft press-polishing machine solves and hot-rolling is put, because hot-rolling has the gravity of self, when roll gap pressure gravity close to hot-rolling own, easily produce vibration, cause the problem of bearing wear.Solve the top that hot-rolling is set directly at soft roller simultaneously, when soft roller needs to safeguard or change, remove and install the problem of time and effort consuming during soft roller.In this structure, soft roller is biased suitable angle relative to hot-rolling, when entangling the lifting of soft roller shaft head with suspender belt, ensures that suspender belt and hot-rolling spindle nose do not interfere, easy accessibility.Hot-rolling is put, and soft roller is biased suitable angle relative to hot-rolling.When two rollers close up platen operation, hot-rolling bearing always has certain load, and bearing not easily produces vibration and abnormal wearing and tearing.Extend the service life of calender, reduce the working strength that calender is safeguarded.
The hot-rolling roller of this soft press-polishing machine adopts high-carbon alloy steel after forging, form the roller with hardened layer as material, and the hardness of high-carbon alloy steel is larger, and the requirement of physical property and hot-rolling of the present invention is more applicable.Hot-rolling roller adopts high-carbon alloy steel forging and molding, and through defect detecting test, eliminate stress process, the process of roller working face quench hardening.Hot-rolling roller more than the working face hardness 700HV of forged steel material, case depth 12mm ~ 15mm.Hardness and the service life of roller improve greatly.The uniform in material of forged steel roller, dimensionally stable, intensity is high, good rigidity, and yield rate is high.
Accompanying drawing explanation
Fig. 1 is a kind of schematic diagram of actuator drives axle installation site of the present invention.
Fig. 2 is the another kind of schematic diagram of actuator drives axle installation site of the present invention.
Fig. 3 is the power syndeton schematic diagram of hot-rolling of the present invention.
Fig. 4 is the power syndeton schematic diagram of soft roller of the present invention.
Fig. 5 is the schematic diagram of the nip structure of a kind of soft press-polishing machine of the present invention.
Fig. 6 is the schematic diagram of the hot-rolling of a kind of soft press-polishing machine of the present invention.
Wherein, 1, mainframe 2, one nip hot-rolling 3, the soft roller 4 of one nip, the soft roller driving machine 5 of one nip, lower steering roll 6, one nip arm 7, one nip pressurization oil cylinder 8, locating pad 9, paper 10, two nip hot-rollings 11, the soft roller driving machine 12 of two nips, the soft roller 13 of two nips, two nip pressurization oil cylinders 14, two nip hot-rolling driven journals 15, the soft roller of two nips is other puts driven journal 16, two nip hot-rolling actuator drives axles 17, two nips soft roller actuator drives axle 18, two nip hot-rolling transmission Hooks coupling universal couplings 19, two nips soft roller transmission Hooks coupling universal coupling 20, high carbon alloy steel bowl 21, roll shaft 22, spindle nose 23, fixed pin holes 24, rear guide roller.
Detailed description of the invention
Fig. 1 ~ 6 are most preferred embodiments of the present invention, and below in conjunction with accompanying drawing 1 ~ 6, the present invention will be further described.
With reference to accompanying drawing 1 ~ 4: the felt wrapped roll power syndeton of a kind of soft press-polishing machine of the present invention, comprise two nip hot-rolling 10, two nip soft roller 12, two nip hot-rolling driven journal 14, two nips soft roller side and put driven journal 15, two nip hot-rolling actuator drives axle 16, two nip soft roller actuator drives axle 17, two nip hot-rolling transmission Hooks coupling universal coupling 18 and two nips soft roller transmission Hooks coupling universal coupling 19; Hot-rolling and soft roller are all bolted on soft press-polishing machine mainframe; Two nip hot-rollings 10 are hot-rolling, the soft roller of two nips 12 is soft roller 1, soft roller adopts side putting type synchronous belt transmission device, two nip hot-rolling actuator drives axles 16 are connected by two nip hot-rolling transmission Hooks coupling universal couplings 18 with two nip hot-rolling driven journals 14 of hot-rolling, and two nips soft roller actuator drives axle 17 is put driven journal 15 with the two nips soft roller side of the soft roller of two nips 12 and is connected by two nips soft roller transmission Hooks coupling universal coupling 19; Two nip hot-rolling transmission Hooks coupling universal couplings 18 and two nip hot-rolling actuator drives axles 16 and two nip hot-rolling driven journals 14 are hinged, two nips soft roller transmission Hooks coupling universal coupling 19 and two nips soft roller actuator drives axle 17 and the soft roller of two nips is other puts driven journal 15 and be hinged; With reference to accompanying drawing 2: at parallelogram O
1o
2a
2a
1in, O
1o
2mid point O be the installation site of two nip hot-rolling actuator drives axles 16, A
1a
2mid point A be the installation site of two nips soft roller actuator drives axle 17; The two nips soft roller transmission Hooks coupling universal coupling of one nip is with above-mentioned two nip power syndetons;
Knuckle β under the Hooks coupling universal coupling duty of driving hot-rolling
1,computing formula is as follows:
β
1=arcsin[(D
1+D
2)/4L
1]
Knuckle β under the Hooks coupling universal coupling duty of driving crown controlled roll
2, computing formula is as follows:
β
2=arcsin[(D
1+D
2)/4L
2]
In formula: β
1, β
2hooks coupling universal coupling knuckle, its value should in standard allowed band;
D
1, D
2, the external diameter of hot-rolling and soft roller;
L
1, L
2, the distance under duty between Hooks coupling universal coupling two cross axle.
With reference to accompanying drawing 5: the nip structure of a kind of preferred soft press-polishing machine of the present invention, comprise the symmetrically arranged nip in left and right on mainframe 1 and mainframe and two nips, one nip hot-rolling 2 is contained in the upper left-hand of mainframe 1, the inner of one nip arm 6 is movably connected in the middle part of the left frame of mainframe 1, the outer end of one nip arm 6 is connected with the frame lower left quarter of mainframe 1 by a nip pressurization oil cylinder 7, and at this end of a nip arm 6, the soft roller 3 of one nip is housed, the soft roller driving machine 4 of a nip be in transmission connection with the soft roller of a nip 3 is fixed with outside the soft roller of one nip 3, the soft roller of one nip 3 is placed in the outer side-lower of a nip hot-rolling 2, and the axis connecting line of a nip hot-rolling 2 and the soft roller 3 of a nip and the angle of vertical direction are 20o ~ 40o, the soft roller of two nip hot-rolling 10, two nips soft roller driving machine 11, two nip 12 in two nips and two nips pressurization oil cylinder 13 are arranged with the corresponding component in a nip is corresponding on the right side of mainframe 1, locating pad 8 is provided with between the lower surface of arm and mainframe 1, be provided with outside one nip hot-rolling 2 end face on place, the point of contact horizontal plane of a nip hot-rolling and the soft roller of a nip before guide roller, mainframe between a nip and two nips before and after be provided with the lower steering roll 5 of a lower surface under place, the point of contact horizontal plane of hot-rolling and soft roller, end face rear guide roller 24 on place, the point of contact horizontal plane of hot-rolling and soft roller, now can carry out twice press polish to above paper 9, make this trowel finish more level and smooth.
With reference to accompanying drawing 6: the hot-rolling of a kind of soft press-polishing machine of the present invention, comprise high carbon alloy steel bowl 20 and the roll shaft 21 of one, many heating oil pipes are provided with in high carbon alloy steel bowl 20, roll shaft 21 passes high carbon alloy steel bowl 20 along the axis of high carbon alloy steel bowl 20, and roll shaft 21 has fixed pin holes 23 in the inner side of spindle nose 22; The surface of high carbon alloy steel bowl 20 has for hardened layer.
Other embodiments, basic structure with shown in above-mentioned accompanying drawing 1, unlike, a nip and two nips be not symmetrical arranged, and hot-rolling and the soft roller of two nips are crisscross arranged up and down.
Below by specific embodiment, the preparation method to the hot-rolling of this soft press-polishing machine is described further.
Embodiment 1
1) base substrate of 9Gr2Mo high-carbon alloy steel is prepared;
2) cake of press after heating, at cake center drilling, then utilizes saddle forging to form forging barrel, forging barrel is holed, form heating oil runner, roll shaft 21 interference is inserted in the cylinder chamber of carbon alloy steel roller 20, utilize bolt the flange of roll shaft 21 and carbon alloy steel roller 20 to be connected and fixed; Recycling elbow just adjacent two or three heating oil flow passage; The initial forging temperature of Forging Technology is 1350 DEG C, and final forging temperature is 872 DEG C;
The hardened layer hardness detecting gained soft press-polishing machine hot-rolling is the hardening depth 15mm of 750HV, hardened layer.
Embodiment 2
1) base substrate of 9Gr2Mo high-carbon alloy steel is prepared;
2) cake of press after heating, at cake center drilling, then utilizes saddle forging to form forging barrel, forging barrel is holed, form heating oil runner, roll shaft 21 interference is inserted in the cylinder chamber of carbon alloy steel roller 20, utilize bolt the flange of roll shaft 21 and carbon alloy steel roller 20 to be connected and fixed; Recycling elbow just adjacent two or three heating oil flow passage; The initial forging temperature of Forging Technology is 1353 DEG C, and final forging temperature is 875 DEG C;
The hardened layer hardness detecting gained soft press-polishing machine hot-rolling is 746HV, and the hardening depth of hardened layer is 15mm.
Embodiment 3
1) base substrate of 9Gr3Mo high-carbon alloy steel is prepared;
2) cake of press after heating, at cake center drilling, then utilizes saddle forging to form forging barrel, forging barrel is holed, form heating oil runner, roll shaft 21 interference is inserted in the cylinder chamber of carbon alloy steel roller 20, utilize bolt the flange of roll shaft 21 and carbon alloy steel roller 20 to be connected and fixed; Recycling elbow just adjacent two or three heating oil flow passage; The initial forging temperature of Forging Technology is 1350 DEG C, and final forging temperature is 870 DEG C;
The hardened layer hardness detecting gained soft press-polishing machine hot-rolling is 700HV, and the hardening depth of hardened layer is 12mm.
Embodiment 4
1) base substrate of 9Gr3Mo high-carbon alloy steel is prepared;
2) cake of press after heating, at cake center drilling, then utilizes saddle forging to form forging barrel, forging barrel is holed, form heating oil runner, roll shaft 21 interference is inserted in the cylinder chamber of carbon alloy steel roller 20, utilize bolt the flange of roll shaft 21 and carbon alloy steel roller 20 to be connected and fixed; Recycling elbow just adjacent two or three heating oil flow passage; The initial forging temperature of Forging Technology is 1355 DEG C, and final forging temperature is 880 DEG C;
The hardened layer hardness detecting gained soft press-polishing machine hot-rolling is 723HV, and the hardening depth of hardened layer is 13mm.
Comparative example 1
1) base substrate of 9Gr2Mo high-carbon alloy steel is prepared;
2) cake of press after heating, at cake center drilling, then utilizes saddle forging to form forging barrel, forging barrel is holed, form heating oil runner, roll shaft 21 interference is inserted in the cylinder chamber of carbon alloy steel roller 20, utilize bolt the flange of roll shaft 21 and carbon alloy steel roller 20 to be connected and fixed; Recycling elbow just adjacent two or three heating oil flow passage; The initial forging temperature of Forging Technology is 1200 DEG C, and final forging temperature is 800 DEG C;
The hardened layer hardness detecting gained soft press-polishing machine hot-rolling is 734HV, and the hardening depth of hardened layer is 7mm.
As can be seen from comparative example, when adopting conventional initial forging temperature and final forging temperature to forge, although the impact of hardened layer hardness is little, the forging degree of depth reduces greatly, can not ensure hardness and the service life of roller.
The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (9)
1. a soft press-polishing machine, comprise mainframe (1) and press-roller device, press-roller device comprises hot-rolling and soft roller, the both sides that two groups of press-roller devices are located at mainframe (1) respectively form the nip and two nips that are symmetricly set on mainframe (1), it is characterized in that: described soft roller (1) adopts side putting type synchronous belt transmission device, two nip hot-rolling actuator drives axle (16) of two described nips are connected by two nip hot-rolling transmissions Hooks coupling universal coupling (18) with two nip hot-rolling driven journals (14), two nip soft roller actuator drives axle (17) of two described nips is put driven journal (15) with two nips soft roller side and is connected by two nip soft roller transmission Hooks coupling universal coupling (19).
2. a kind of soft press-polishing machine according to claim 1, is characterized in that: described hot-rolling and soft roller is dismountable is fixed on soft press-polishing machine mainframe, hot-rolling and soft roller position interchangeable.
3. a kind of soft press-polishing machine according to claim 1, is characterized in that: two described nip hot-rolling actuator drives axle (16) are arranged on the midpoint of the soft roller of two nips and the axis connecting line of hot-rolling.
4. a kind of soft press-polishing machine according to claim 1, it is characterized in that: described two nip soft roller actuator drives axle (17) is arranged on two nip hot-rolling actuator drives axle (16) outsides, the distance of two driving shafts is equal with the distance that the axis of the soft roller of two nips puts the axis of driven journal (15) to two nips soft roller side.
5. a kind of soft press-polishing machine according to claim 1, is characterized in that: two described nip hot-rolling actuator drives axle (16) axis are equal with the distance that described two nips soft roller actuator drives axle (17) axis puts the axis of driven journal (15) to two nips soft roller side to the distance of the axis of the soft roller of two nips.
6. a kind of soft press-polishing machine according to claim 1, is characterized in that: the connecting line of the axis of described hot-rolling and soft roller rolls oblique 20o ~ 40o to mainframe (1).
7. a kind of soft press-polishing machine according to claim 6, it is characterized in that: described mainframe (1) is provided with guide roller (24) after a lower steering roll (5) and between a nip and two nips before and after paper feed direction, hot-rolling and soft roller tangent, the bottom surface of lower steering roll (5) is under place, the point of contact horizontal plane of top roll and lower roll, and the end face of rear guide roller (24) is on place, the point of contact horizontal plane of top roll and lower roll.
8. a kind of soft press-polishing machine according to claim 1, it is characterized in that: described hot-rolling comprises high carbon alloy steel bowl (20) and roll shaft (21), the barrel of high carbon alloy steel bowl (20) is forging barrel, the surface of high carbon alloy steel bowl (20) is hardened layer, hardened layer hardness is 700HV ~ 750HV, and the hardening depth of hardened layer is 12mm ~ 15mm.
9. a kind of soft press-polishing machine according to claim 8, it is characterized in that: described high carbon alloy steel bowl (20) is prepared from by Forging Technology by the base substrate of high-carbon alloy steel, the initial forging temperature of Forging Technology is 1350 DEG C ~ 1355 DEG C, and final forging temperature is 870 DEG C ~ 880 DEG C.
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|---|---|---|---|
| CN201610078511.4A CN105525529B (en) | 2016-02-04 | 2016-02-04 | A kind of soft press-polishing machine |
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|---|---|---|---|
| CN201610078511.4A CN105525529B (en) | 2016-02-04 | 2016-02-04 | A kind of soft press-polishing machine |
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| US4000979A (en) * | 1975-02-18 | 1977-01-04 | Escher Wyss Limited | Roll for a rolling mill |
| US5090535A (en) * | 1990-04-06 | 1992-02-25 | J.M. Voith Gmbh | Drive unit particularly for the calender of a paper machine |
| DE10206491C1 (en) * | 2002-02-16 | 2003-07-03 | Voith Paper Patent Gmbh | Universally-jointed drive arrangement for calendering roller in papermaking industry, transmits torque through shafts angled with respect to intermediate shaft |
| CN101092802A (en) * | 2006-06-22 | 2007-12-26 | 诸葛宝钧 | Paper making soft press-polishing machine |
| CN102691227A (en) * | 2012-04-28 | 2012-09-26 | 东莞市侨盛纸业有限公司 | Plating press of improved structure |
| CN202530334U (en) * | 2012-04-28 | 2012-11-14 | 东莞市侨盛纸业有限公司 | Calender with improved structure |
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| CN205529670U (en) * | 2016-02-04 | 2016-08-31 | 诸葛宝钧 | Soft calendar |
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| CN105525529B (en) | 2017-10-17 |
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