CN212419167U

CN212419167U - Straightening roller independent transmission assembly of roller type straightening machine

Info

Publication number: CN212419167U
Application number: CN202020614591.2U
Authority: CN
Inventors: 姚养库; 李宏伟; 高聪敏; 李菲
Original assignee: China National Heavy Machinery Research Institute Co Ltd
Current assignee: China National Heavy Machinery Research Institute Co Ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2021-01-29
Anticipated expiration: 2030-04-22

Abstract

The utility model discloses an independent transmission component of a straightening roll of a roll straightening machine, which comprises an upper roll system (1), a lower roll system (2), a universal coupling (4), a gear distribution box (5), a coaxial speed reducer (6) and a speed regulating motor (7), wherein the upper roll system (1) and the lower roll system (2) both comprise a plurality of straightening rolls, the straightening rolls of the upper roll system (1) and the lower roll system (2) are respectively connected with one ends of a plurality of universal couplings (4) in a one-to-one correspondence manner, wherein the other ends of the universal couplings (4) are respectively connected with the output end of the gear distribution box (5), the input end of the gear distribution box (5) is connected with a plurality of coaxial speed reducers (6), wherein the input ends of the plurality of coaxial speed reducers (6) are respectively connected with a plurality of speed regulating motors (7), the number of the coaxial speed reducers (6) and the number of the speed regulating motors (7) are the same as that of the universal couplings (4).

Description

Straightening roller independent transmission assembly of roller type straightening machine

Technical Field

The utility model belongs to the technical field of the straightener straightening roller transmission, the transmission technology of roll-type straightener that units such as finishing, levelling machine of concretely relates to iron and steel field steel mill panel workshop used especially relates to a roll-type straightener straightening roller independent drive assembly.

Background

In units such as finishing, leveling, pickling, acid rolling and the like in a plate production workshop of a steel plant in the field of steel, a roller type straightening machine is often used for improving the plate shape quality of a product or enabling raw materials to smoothly enter the next process. The prior art generally adopts a collective transmission mode, namely a speed-regulating motor drives a speed reducer, then a gear distribution box is driven by an output shaft of the speed reducer, and the output shaft of the gear distribution box drives working rolls of a straightening machine, and the mode has the defects that: 1) the negative torque generated in the straightening process cannot be overcome; 2) the diameter size requirement of the straightening roller is high; 3) the noise is high in the straightening process; 4) wasting energy. Under the current intense market competition environment, the traditional driving mode obviously cannot meet the requirement. The utility model discloses above-mentioned shortcoming can be solved to the technique, market demand is satisfied.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide an independent transmission assembly of roll straightening machine straightener roll, overcome prior art in 1: the existing collective transmission mode cannot overcome negative torque generated in the straightening process; 2: the diameter size requirement of the straightening roller is high; 3: the noise is large in the straightening process, and the energy is wasted.

In order to solve the technical problem, the technical scheme of the utility model is that: the utility model provides an independent transmission assembly of roll straightening machine straightener roller, includes that upper roll is, lower roll is, universal joint, gear distribution box, coaxial speed reducer and buncher, and wherein upper roll is all including a plurality of straightener rollers with lower roll, a plurality of straightener rollers one-to-one respectively of upper roll system and lower roll system connect a plurality of universal joint's one end, and wherein the output of gear distribution box is connected respectively to a plurality of universal joint's the other end, a plurality of coaxial speed reducers are connected to the input of gear distribution box, and wherein a plurality of bunchers are connected respectively to a plurality of coaxial speed reducer's input, and wherein coaxial speed reducer and buncher's quantity all is the same with universal joint's quantity.

Preferably, the upper roll system comprises a first straightening roll, a third straightening roll, a fifth straightening roll, a seventh straightening roll and a ninth straightening roll, wherein the first straightening roll, the third straightening roll, the fifth straightening roll, the seventh straightening roll and the ninth straightening roll are positioned on the same straight line, the lower roll system comprises a second straightening roll, a fourth straightening roll, a sixth straightening roll, an eighth straightening roll, a tenth straightening roll and an eleventh straightening roll, wherein the second straightening roll, the fourth straightening roll, the sixth straightening roll, the eighth straightening roll, the tenth straightening roll and the eleventh straightening roll are positioned on the same straight line, two groups of straightening rolls of the upper roll system and the lower roll system are positioned in parallel, wherein the output end of the gear distribution box is connected with the first straightening roll, the second straightening roll, the third straightening roll, the fourth straightening roll, the fifth straightening roll, the sixth straightening roll, the seventh straightening roll, the eighth straightening roll, the ninth straightening roll and the universal coupler 11, wherein the input end of the gear distribution box is connected with 11 speed regulating motors through 11 coaxial speed reducers.

Preferably, the end of the speed regulating motor provided with the flange plate is connected with the input end of a coaxial speed reducer of which the two ends are flanges by bolts and keys, the output end of the coaxial speed reducer is connected with the input end of the gear distribution box by the bolts and keys, and the two ends of the universal coupling are respectively connected with the output end of the gear distribution box and the input end of the straightening roller by splines.

Preferably, the speed regulating motor comprises a first speed regulating motor, a second speed regulating motor, a third speed regulating motor, a fourth speed regulating motor, a fifth speed regulating motor, a sixth speed regulating motor, a seventh speed regulating motor, an eighth speed regulating motor, a ninth speed regulating motor, a tenth speed regulating motor and an eleventh speed regulating motor, the coaxial speed reducers comprise a first coaxial speed reducer, a second coaxial speed reducer, a third coaxial speed reducer, a fourth coaxial speed reducer, a fifth coaxial speed reducer, a sixth coaxial speed reducer, a seventh coaxial speed reducer, an eighth coaxial speed reducer, a ninth coaxial speed reducer, a tenth coaxial speed reducer and an eleventh coaxial speed reducer, wherein one end of the first speed regulating motor provided with a flange plate is connected with the first coaxial speed reducer with flanges at two ends through bolts and keys, one end of the second speed regulating motor provided with the flange plate is coaxially connected with the second speed reducer with flanges at two ends through bolts and keys, wherein one end of the third speed regulating motor provided with a flange plate is connected with a third coaxial reducer of which both ends are flanges by bolts and keys, one end of the fourth speed regulating motor provided with a flange plate is connected with a fourth coaxial reducer of which both ends are flanges by bolts and keys, one end of the fifth speed regulating motor provided with a flange plate is connected with a fifth coaxial reducer of which both ends are flanges by bolts and keys, one end of the sixth speed regulating motor provided with a flange plate is connected with a sixth coaxial reducer of which both ends are flanges by bolts and keys, one end of the seventh speed regulating motor provided with a flange plate is connected with a seventh coaxial reducer of which both ends are flanges by bolts and keys, one end of the eighth speed regulating motor provided with a flange plate is connected with an eighth coaxial reducer of which both ends are flanges by bolts and keys, one end of the ninth speed regulating motor provided with a flange plate is coaxially connected with a ninth coaxial reducer of which both ends are flanges by bolts and keys, one end of the tenth speed regulating motor, which is provided with a flange plate, is connected with a tenth coaxial reducer, the two ends of which are flanges, by bolts and keys, and one end of the eleventh speed regulating motor, which is provided with a flange plate, is connected with an eleventh coaxial reducer, the two ends of which are flanges, by bolts and keys.

Preferably, the fourth speed regulation motor/the fifth speed regulation motor/the tenth speed regulation motor is respectively connected with a fourth coaxial speed reducer/a fifth coaxial speed reducer/a tenth coaxial speed reducer and then connected with a corresponding universal coupling through one gear shaft in the gear distribution box, wherein the other end of the corresponding universal coupling is respectively and correspondingly connected with a fourth straightening roller, a fifth straightening roller and a tenth straightening roller, the fourth coaxial speed reducer/the fifth coaxial speed reducer/the tenth coaxial speed reducer is respectively and coaxially connected with one end of a gear shaft, and wherein the other end of the gear shaft is coaxially connected with the universal coupling.

Preferably, the first speed regulating motor/the second speed regulating motor/the ninth speed regulating motor/the eleventh speed regulating motor are respectively connected with a first coaxial speed reducer/a second coaxial speed reducer/a ninth coaxial speed reducer/an eleventh coaxial speed reducer to indirectly transmit torque to the corresponding universal couplings through linkage of two gear shafts, wherein the other ends of the corresponding universal couplings are respectively and correspondingly connected with a first straightening roller, a second straightening roller, a ninth straightening roller and an eleventh straightening roller, wherein the first coaxial speed reducer/the second coaxial speed reducer/the ninth coaxial speed reducer/the eleventh coaxial speed reducer are respectively and coaxially connected with one gear shaft, the gear shaft is meshed with one end of another gear shaft, and the other end of the another gear shaft is coaxially connected with the universal couplings.

Preferably, the third speed regulating motor/the sixth speed regulating motor/the seventh speed regulating motor/the eighth speed regulating motor is respectively connected with a third coaxial speed reducer/a sixth coaxial speed reducer/a seventh coaxial speed reducer/an eighth coaxial speed reducer to indirectly transmit torque to a corresponding universal coupling through linkage of three gear shafts, wherein the other end of the corresponding universal coupling is respectively and correspondingly connected with a third straightening roller, a sixth straightening roller, a seventh straightening roller and an eighth straightening roller, wherein the third coaxial speed reducer/the sixth coaxial speed reducer/the seventh coaxial speed reducer/the eighth coaxial speed reducer are respectively and coaxially connected with a gear shaft, wherein the gear shaft is sequentially meshed with the other two gear shafts, and the other end of the third gear shaft is coaxially connected with the universal coupling.

Preferably, the first coaxial reducer, the second coaxial reducer, the third coaxial reducer, the fourth coaxial reducer, the fifth coaxial reducer, the sixth coaxial reducer, the seventh coaxial reducer, the eighth coaxial reducer, the ninth coaxial reducer, the tenth coaxial reducer and the eleventh coaxial reducer respectively transmit torque to the universal couplings through gear shafts to drive the straightening rollers, wherein the first coaxial reducer, the third coaxial reducer, the fifth coaxial reducer, the seventh coaxial reducer and the ninth coaxial reducer are connected through gear shafts, 5 universal couplings are located on the same straight line, the second coaxial reducer, the fourth coaxial reducer, the sixth coaxial reducer, the eighth coaxial reducer, the tenth coaxial reducer and the eleventh coaxial reducer are connected through gear shafts, 6 universal couplings are located on the same straight line, wherein two groups of universal couplings which are positioned on the same straight line are parallel.

Preferably, the speed regulating motor is provided with an incremental encoder with high pulse number, and the incremental encoder is used for accurately measuring the rotating speed of the straightening roller.

Compared with the prior art, the utility model has the advantages of:

(1) the utility model comprises an upper roller system, a lower roller system, universal couplings, a gear distribution box, coaxial speed reducers and speed regulating motors, wherein the upper roller system and the lower roller system respectively comprise a plurality of straightening rollers, the straightening rollers of the upper roller system and the lower roller system are respectively connected with one ends of the universal couplings in a one-to-one correspondence manner, the other ends of the universal couplings are respectively connected with the output end of the gear distribution box, the input end of the gear distribution box is connected with the coaxial speed reducers, the input ends of the coaxial speed reducers are respectively connected with the speed regulating motors, the number of the coaxial speed reducers and the speed regulating motors is the same as that of the universal couplings, the utility model comprises the speed regulating motors, the coaxial speed reducers and the universal couplings, and 1 gear distribution box, each straightening roller is driven by an independent speed regulating motor through the coaxial speed reducers and the gear distribution box, the rotating speed of each straightening roller can be independently adjusted, can be the same or different, can realize the adjustment of the rotating speed of the straightening rollers, thereby eliminating the influence of negative torque, because the strip steel can be elongated along the running direction of the strip steel when being straightened, the rotating speed of the straightening rollers is required to be gradually increased from an inlet to an outlet, if the rotating speed of the straightening rollers is constant, negative torque can be generated at the elongated part of the strip steel, namely, the rotating speed of the straightening roll is required to be increased when the strip steel is elongated, and the rotating speed of the actual straightening roll is kept unchanged, so that the straightening roll is subjected to negative torque, and the negative torque can cause the defects of high noise in the straightening process, energy waste, scratch on the surface of the strip steel and the like, the utility model can overcome the defect by independent transmission, eliminates the influence of negative torque by adjusting the different rotating speeds of the straightening rollers, and has the advantages of low noise, no energy waste and no scratch on the surface of the strip steel;

(2) the speed regulating motor and the coaxial speed reducer of the utility model are both directly or indirectly arranged on the gear distribution box, the structure is compact, and the space is saved; the utility model discloses gear distributor's moment of torsion transmission form has three kinds: direct transmission, indirect transmission of two gear shafts and indirect transmission of 3 gear shafts, so that universal couplings connected with the upper roller system are positioned on the same straight line, universal couplings connected with the lower roller system are positioned on the same straight line, and the two straight lines are parallel; when the diameter of the straightening roller is reduced due to abrasion, the rotating speed of the motor can be adjusted to carry out independent adjustment on the abraded straightening roller, and the speed regulating motors of the utility model are all provided with the increment encoders with high pulse number and are used for accurately measuring the rotating speed of the straightening roller;

(3) the utility model adopts a gear distribution box as transition, and connects the universal coupling, the coaxial speed reducer and the motor one by one, thereby really realizing that one motor drives one straightening roller, and the design has the advantages of compact structure, space saving and easy arrangement, thereby not only meeting the requirement of independent transmission, but also saving space;

(4) the utility model discloses reduced the requirement of straightening roller diameter size, and then reduced spare part quantity, if collective transmission, straightening roller diameter should be controlled in certain tolerance range, and some working rolls are after using for a period, and the diameter tolerance exceeds the scope, just can not use, can only scrap, the utility model discloses independent transmission can independently adjust its rotational speed according to the diameter of straightening roller, and then realizes the linear velocity that needs, can make the straightening roller of those diameter overrungs assign the use field again like this, reduces spare part quantity;

(5) the utility model discloses simple structure, convenient to use, transmission are effectual, the practicality is strong, the combined cost is low, and diameter size requirement to the straightener roll is not high, operation process safe and reliable, but wide application in 3 rollers, 5 rollers, 7 rollers, 9 rollers, 11 rollers, 13 rollers, 17 rollers, 19 rollers, the transmission of 21 rollers and 23 roller type straightener.

Drawings

FIG. 1 is a schematic diagram of the general structure of an independent transmission assembly of a straightening roll of a roll straightening machine of the present invention;

FIG. 2 is a schematic view of the independent transmission of the upper roll system of the straightening roll independent transmission assembly of the roll straightening machine of the present invention;

FIG. 3 is a schematic view of the lower roller system independent transmission of the straightening roller independent transmission assembly of the roll straightening machine of the present invention;

FIG. 4 is a schematic diagram showing the arrangement of the straightening rolls of the straightening roll independent transmission assembly of the roll straightening machine of the present invention;

fig. 5 is a view of the present invention from direction a of fig. 1.

Description of the reference numerals

1. An upper roll system 2, a lower roll system 3, band steel 4, a universal coupling 5, a gear distribution box 6, a coaxial speed reducer 7 and a speed regulating motor;

1-1 part of first straightening roller, 1-3 parts of third straightening roller, 1-5 parts of fifth straightening roller, 1-7 parts of seventh straightening roller and 1-9 parts of ninth straightening roller;

2-2 parts of a second straightening roller, 2-4 parts of a fourth straightening roller, 2-6 parts of a sixth straightening roller, 2-8 parts of an eighth straightening roller, 2-10 parts of a tenth straightening roller, 2-11 parts of an eleventh straightening roller;

6-1, a first coaxial speed reducer, 6-2, a second coaxial speed reducer, 6-3, a third coaxial speed reducer, 6-4, a fourth coaxial speed reducer, 6-5, a fifth coaxial speed reducer, 6-6, a sixth coaxial speed reducer, 6-7, a seventh coaxial speed reducer, 6-8, an eighth coaxial speed reducer, 6-9, a ninth coaxial speed reducer, 6-10, a tenth coaxial speed reducer, and 6-11 an eleventh coaxial speed reducer;

7-1 parts of a first speed regulating motor, 7-2 parts of a second speed regulating motor, 7-3 parts of a third speed regulating motor, 7-4 parts of a fourth speed regulating motor, 7-5 parts of a fifth speed regulating motor, 7-6 parts of a sixth speed regulating motor, 7-7 parts of a seventh speed regulating motor, 7-8 parts of an eighth speed regulating motor, 7-9 parts of a ninth speed regulating motor, 7-10 parts of a tenth speed regulating motor, 7-11 parts of an eleventh speed regulating motor.

Detailed Description

The following description of the embodiments of the present invention is provided in connection with the following embodiments:

it should be noted that the structures, ratios, sizes, etc. illustrated in the present specification are only used to cooperate with the contents disclosed in the specification for the understanding and reading of the people skilled in the art, and are not used to limit the limit conditions that the present invention can be implemented, and any modifications of the structures, changes of the ratio relationships or adjustments of the sizes should still fall within the scope that the technical contents disclosed in the present invention can cover without affecting the functions and the achievable purposes of the present invention.

Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.

Example 1

As shown in fig. 1, the utility model discloses a roller straightener straightening roller independent drive assembly, including last roller system 1, lower roller system 2, universal joint 4, gear distribution box 5, coaxial speed reducer 6 and buncher 7, wherein last roller system 1 all includes a plurality of straightening rollers with lower roller system 2, the one end of a plurality of universal joint 4 is connected to a plurality of straightening rollers one-to-one respectively of last roller system 1 and lower roller system 2, and wherein the output of gear distribution box 5 is connected respectively to a plurality of universal joint 4's the other end, a plurality of coaxial speed reducer 6 are connected to gear distribution box 5's input, and wherein a plurality of buncher 7 are connected respectively to a plurality of coaxial speed reducer 6's input, and wherein coaxial speed reducer 6 and buncher 7's quantity all is the same with universal joint 4's quantity.

Example 2

Preferably, as shown in fig. 1 to 4, the upper roll system 1 comprises a first straightening roll 1-1, a third straightening roll 1-3, a fifth straightening roll 1-5, a seventh straightening roll 1-7 and a ninth straightening roll 1-9, wherein the first straightening roll 1-1, the third straightening roll 1-3, the fifth straightening roll 1-5, the seventh straightening roll 1-7 and the ninth straightening roll 1-9 are in the same straight line, the lower roll system 2 comprises a second straightening roll 2-2, a fourth straightening roll 2-4, a sixth straightening roll 2-6, an eighth straightening roll 2-8, a tenth straightening roll 2-10 and an eleventh straightening roll 2-11, wherein the second straightening roll 2-2, the fourth straightening roll 2-4, the sixth straightening roll 2-6, the eighth straightening roll 2-8, The tenth straightening roller 2-10 and the eleventh straightening roller 2-11 are positioned on the same straight line, the straight lines of the two groups of straightening rollers of the upper roller system 1 and the lower roller system 2 are parallel, the output end of the gear distribution box 5 is connected with the first straightening roller 1-1, the second straightening roller 2-2, the third straightening roller 1-3, the fourth straightening roller 2-4, the fifth straightening roller 1-5, the sixth straightening roller 2-6, the seventh straightening roller 1-7, the eighth straightening roller 2-8, the ninth straightening roller 1-9, the tenth straightening roller 2-10 and the eleventh straightening roller 2-11 through 11 universal couplings 4 in a one-to-one correspondence mode, and the input end of the gear distribution box 5 is connected with 11 motors 7 through 11 coaxial speed-regulating devices 6.

Example 3

Preferably, as shown in fig. 1 to 3, one end of the speed regulating motor 7, which is provided with a flange plate, is connected with an input end of a coaxial speed reducer 6, the two ends of which are flanges, by bolts and keys, wherein an output end of the coaxial speed reducer 6 is connected with an input end flange of the gear distribution box 5 by bolts and keys, and two ends of the universal coupling 4 are respectively connected with an output end of the gear distribution box 5 and an input end of the straightening roller by splines.

Preferably, as shown in fig. 5, the speed-regulating motor 7 includes a first speed-regulating motor 7-1, a second speed-regulating motor 7-2, a third speed-regulating motor 7-3, a fourth speed-regulating motor 7-4, a fifth speed-regulating motor 7-5, a sixth speed-regulating motor 7-6, a seventh speed-regulating motor 7-7, an eighth speed-regulating motor 7-8, a ninth speed-regulating motor 7-9, a tenth speed-regulating motor 7-10 and an eleventh speed-regulating motor 7-11, and the coaxial speed reducer 6 includes a first coaxial speed reducer 6-1, a second coaxial speed reducer 6-2, a third coaxial speed reducer 6-3, a fourth coaxial speed reducer 6-4, a fifth coaxial speed reducer 6-5, a sixth coaxial speed reducer 6-6, a seventh coaxial speed reducer 6-7, an eighth coaxial speed reducer 6-8, a sixth coaxial speed reducer 6-6, a seventh coaxial speed reducer 6-, A ninth coaxial reducer 6-9, a tenth coaxial reducer 6-10 and an eleventh coaxial reducer 6-11, wherein one end of the first governor motor 7-1 provided with a flange is connected with the first coaxial reducer 6-1 whose both ends are flanges by bolts and keys, wherein one end of the second governor motor 7-2 provided with a flange is connected with the second coaxial reducer 6-2 whose both ends are flanges by bolts and keys, wherein one end of the third governor motor 7-3 provided with a flange is connected with the third coaxial reducer 6-3 whose both ends are flanges by bolts and keys, wherein one end of the fourth governor motor 7-4 provided with a flange is connected with the fourth coaxial reducer 6-4 whose both ends are flanges by bolts and keys, wherein one end of the fifth governor motor 7-5 provided with a flange is connected with the fifth coaxial reducer 6-5 whose both ends are flanges by bolts and keys, wherein one end of the sixth speed-regulating motor 7-6 provided with a flange plate is connected with the sixth coaxial speed reducer 6-6 with both ends being flanges by bolts and keys, wherein one end of the seventh speed-regulating motor 7-7 provided with a flange plate is connected with the seventh coaxial speed reducer 6-7 with both ends being flanges by bolts and keys, wherein one end of the eighth speed-regulating motor 7-8 provided with a flange plate is connected with the eighth coaxial speed reducer 6-8 with both ends being flanges by bolts and keys, wherein one end of the ninth speed-regulating motor 7-9 provided with a flange plate is connected with the ninth coaxial speed reducer 6-9 with both ends being flanges by bolts and keys, wherein one end of the tenth speed-regulating motor 7-10 provided with a flange plate is connected with the tenth coaxial speed reducer 6-10 with both ends being flanges by bolts and keys, wherein one end of the eleventh speed-regulating motor 7-11 provided with a flange plate is connected with the eleventh coaxial speed reducer 6-6 with both ends being 11 connection.

Example 4

Preferably, as shown in fig. 5, the fourth adjustable-speed motor 7-4/the fifth adjustable-speed motor 7-5/the tenth adjustable-speed motor 7-10 are respectively connected with the fourth coaxial speed reducer 6-4/the fifth coaxial speed reducer 6-5/the tenth coaxial speed reducer 6-10 and then connected with the corresponding universal coupling 4 through one gear shaft 5-1 in the gear distribution box 5, wherein the other end of the corresponding universal coupling 4 is respectively and correspondingly connected with a fourth straightening roller 2-4, a fifth straightening roller 1-5 and a tenth straightening roller 2-10, the fourth coaxial speed reducer 6-4/the fifth coaxial speed reducer 6-5/the tenth coaxial speed reducer 6-10 are respectively and coaxially connected with one end of a gear shaft 5-1, wherein the other end of the gear shaft 5-1 is coaxially connected with a universal coupling 4.

Preferably, as shown in fig. 5, the first speed-regulating motor 7-1/the second speed-regulating motor 7-2/the ninth speed-regulating motor 7-9/the eleventh speed-regulating motor 7-11 are respectively connected with the first coaxial speed reducer 6-1/the second coaxial speed reducer 6-2/the ninth coaxial speed reducer 6-9/the eleventh coaxial speed reducer 6-11 to indirectly transmit the torque to the corresponding universal coupling 4 through the linkage of two gear shafts 5-1, wherein the other end of the corresponding universal coupling 4 is respectively and correspondingly connected with the first straightening roll 1-1, the second straightening roll 2-2, the ninth straightening roll 1-9 and the eleventh straightening roll 2-11, wherein the first coaxial speed reducer 6-1/the second coaxial speed reducer 6-2/the ninth coaxial speed reducer 6-9/the eleventh speed reducer 6-11 is respectively connected with one speed reducer 6-1/the second coaxial speed reducer 6-2/the ninth coaxial speed reducer 6-9/the eleventh The gear shaft 5-1 is coaxially connected, wherein the gear shaft 5-1 is meshed with one end of another gear shaft 5-1, and the other end of the another gear shaft 5-1 is coaxially connected with the universal coupling 4.

Preferably, as shown in fig. 5, the third speed-regulating motor 7-3/the sixth speed-regulating motor 7-6/the seventh speed-regulating motor 7-7/the eighth speed-regulating motor 7-8 are respectively connected with the third coaxial speed reducer 6-3/the sixth coaxial speed reducer 6-6/the seventh coaxial speed reducer 6-7/the eighth coaxial speed reducer 6-8 to indirectly transmit the torque to the corresponding universal coupling 4 through the linkage of the three gear shafts 5-1, wherein the other end of the corresponding universal coupling 4 is respectively and correspondingly connected with the third straightening roller 1-3, the sixth straightening roller 2-6, the seventh straightening roller 1-7 and the eighth straightening roller 2-8, wherein the third coaxial speed reducer 6-3/the sixth coaxial speed reducer 6-6/the seventh coaxial speed reducer 6-7/the eighth coaxial speed reducer 6-8 is respectively connected with one gear shaft 5-1 are coaxially connected, wherein the gear shaft 5-1 is sequentially meshed with the other two gear shafts 5-1, and the other end of the third gear shaft 5-1 is coaxially connected with a universal coupling 4.

Example 5

Preferably, as shown in fig. 5, the first coaxial reducer 6-1, the second coaxial reducer 6-2, the third coaxial reducer 6-3, the fourth coaxial reducer 6-4, the fifth coaxial reducer 6-5, the sixth coaxial reducer 6-6, the seventh coaxial reducer 6-7, the eighth coaxial reducer 6-8, the ninth coaxial reducer 6-9, the tenth coaxial reducer 6-10 and the eleventh coaxial reducer 6-11 transmit torque to the universal coupling 4 through the gear shaft 5-1 to drive each straightening roller, wherein the first coaxial reducer 6-1, the third coaxial reducer 6-3, the fifth coaxial reducer 6-5, the seventh coaxial reducer 6-7 and the ninth coaxial reducer 6-9 are in the same straight line through 5 universal couplings 4 connected by the gear shaft 5-1, 6 universal couplings 4 connected by the second coaxial speed reducer 6-2, the fourth coaxial speed reducer 6-4, the sixth coaxial speed reducer 6-6, the eighth coaxial speed reducer 6-8, the tenth coaxial speed reducer 6-10 and the eleventh coaxial speed reducer 6-11 through a gear shaft 5-1 are in the same straight line, wherein two groups of universal couplings 4 in the same straight line are parallel.

Example 6

Preferably, the speed regulating motor 7 is provided with an incremental encoder with high pulse number, and the incremental encoder is used for accurately measuring the rotating speed of the straightening roller.

Example 7

Preferably, as shown in fig. 5, the fourth adjustable-speed motor 7-4/the fifth adjustable-speed motor 7-5/the tenth adjustable-speed motor 7-10 are respectively connected with the fourth coaxial speed reducer 6-4/the fifth coaxial speed reducer 6-5/the tenth coaxial speed reducer 6-10 and then connected with the corresponding universal coupling 4 through one gear shaft 5-1 in the gear distribution box 5, wherein the other end of the corresponding universal coupling 4 is respectively and correspondingly connected with a fourth straightening roller 2-4, a fifth straightening roller 1-5 and a tenth straightening roller 2-10, the fourth coaxial speed reducer 6-4/the fifth coaxial speed reducer 6-5/the tenth coaxial speed reducer 6-10 are respectively and coaxially connected with one end of a gear shaft 5-1, wherein the other end of the gear shaft 5-1 is coaxially connected with a universal coupling 4;

the method specifically comprises the following steps:

the fourth speed regulating motor 7-4 is connected with a fourth coaxial speed reducer 6-4 and then connected with a corresponding universal coupling 4 through a gear shaft 5-1 in the gear distribution box 5, wherein the other end of the corresponding universal coupling 4 is correspondingly connected with a fourth straightening roller 2-4, the fourth coaxial speed reducer 6-4 is coaxially connected with one end of the gear shaft 5-1, and the other end of the gear shaft 5-1 is coaxially connected with the universal coupling 4;

the fifth speed regulating motor 7-5 is connected with a fifth coaxial speed reducer 6-5 and then is connected with a corresponding universal coupling 4 through a gear shaft 5-1 in the gear distribution box 5, wherein the other end of the corresponding universal coupling 4 is correspondingly connected with a fifth straightening roller 1-5, the fifth coaxial speed reducer 6-5 is coaxially connected with one end of the gear shaft 5-1, and the other end of the gear shaft 5-1 is coaxially connected with the universal coupling 4;

the tenth speed regulating motor 7-10 is connected with a tenth coaxial speed reducer 6-10 and then connected with a corresponding universal coupling 4 through a gear shaft 5-1 in the gear distribution box 5, wherein the other end of the corresponding universal coupling 4 is correspondingly connected with a tenth straightening roller 2-10, the tenth coaxial speed reducer 6-10 is coaxially connected with one end of the gear shaft 5-1, and the other end of the gear shaft 5-1 is coaxially connected with the universal coupling 4.

Preferably, as shown in fig. 5, the first speed-regulating motor 7-1/the second speed-regulating motor 7-2/the ninth speed-regulating motor 7-9/the eleventh speed-regulating motor 7-11 are respectively connected with the first coaxial speed reducer 6-1/the second coaxial speed reducer 6-2/the ninth coaxial speed reducer 6-9/the eleventh coaxial speed reducer 6-11 to indirectly transmit the torque to the corresponding universal coupling 4 through the linkage of two gear shafts 5-1, wherein the other end of the corresponding universal coupling 4 is respectively and correspondingly connected with the first straightening roll 1-1, the second straightening roll 2-2, the ninth straightening roll 1-9 and the eleventh straightening roll 2-11, wherein the first coaxial speed reducer 6-1/the second coaxial speed reducer 6-2/the ninth coaxial speed reducer 6-9/the eleventh speed reducer 6-11 is respectively connected with one speed reducer 6-1/the second coaxial speed reducer 6-2/the ninth coaxial speed reducer 6-9/the eleventh The gear shaft 5-1 is coaxially connected, wherein the gear shaft 5-1 is meshed with one end of another gear shaft 5-1, and the other end of the another gear shaft 5-1 is coaxially connected with a universal coupling 4;

the method specifically comprises the following steps:

the first speed regulating motor 7-1 is connected with a first coaxial speed reducer 6-1 and indirectly transmits torque to the corresponding universal coupling 4 through linkage of two gear shafts 5-1, wherein the other end of the corresponding universal coupling 4 is correspondingly connected with a first straightening roller 1-1, the first coaxial speed reducer 6-1 is coaxially connected with one gear shaft 5-1, the gear shaft 5-1 is meshed with one end of the other gear shaft 5-1, and the other end of the other gear shaft 5-1 is coaxially connected with the universal coupling 4;

the second speed regulating motor 7-2 is connected with a second coaxial speed reducer 6-2 and indirectly transmits torque to the corresponding universal coupling 4 through linkage of two gear shafts 5-1, wherein the other end of the corresponding universal coupling 4 is correspondingly connected with a second straightening roller 2-2, the second coaxial speed reducer 6-2 is coaxially connected with one gear shaft 5-1, the gear shaft 5-1 is meshed with one end of the other gear shaft 5-1, and the other end of the other gear shaft 5-1 is coaxially connected with the universal coupling 4;

the ninth speed regulating motor 7-9 is connected with a ninth coaxial speed reducer 6-9 and indirectly transmits torque to the corresponding universal coupling 4 through linkage of the two gear shafts 5-1, wherein the other end of the corresponding universal coupling 4 is correspondingly connected with a ninth straightening roller 1-9, the ninth coaxial speed reducer 6-9 is coaxially connected with one gear shaft 5-1, the gear shaft 5-1 is meshed with one end of the other gear shaft 5-1, and the other end of the other gear shaft 5-1 is coaxially connected with the universal coupling 4;

the eleventh speed regulating motor 7-11 is connected with an eleventh coaxial speed reducer 6-11 and indirectly transmits torque to the corresponding universal coupling 4 through linkage of the two gear shafts 5-1, the other end of the corresponding universal coupling 4 is correspondingly connected with the ninth straightening roller 2-11, the eleventh coaxial speed reducer 6-11 is coaxially connected with one gear shaft 5-1, the gear shaft 5-1 is meshed with one end of the other gear shaft 5-1, and the other end of the other gear shaft 5-1 is coaxially connected with the universal coupling 4.

Preferably, as shown in fig. 5, the third speed-regulating motor 7-3/the sixth speed-regulating motor 7-6/the seventh speed-regulating motor 7-7/the eighth speed-regulating motor 7-8 are respectively connected with the third coaxial speed reducer 6-3/the sixth coaxial speed reducer 6-6/the seventh coaxial speed reducer 6-7/the eighth coaxial speed reducer 6-8 to indirectly transmit the torque to the corresponding universal coupling 4 through the linkage of the three gear shafts 5-1, wherein the other end of the corresponding universal coupling 4 is respectively and correspondingly connected with the third straightening roller 1-3, the sixth straightening roller 2-6, the seventh straightening roller 1-7 and the eighth straightening roller 2-8, wherein the third coaxial speed reducer 6-3/the sixth coaxial speed reducer 6-6/the seventh coaxial speed reducer 6-7/the eighth coaxial speed reducer 6-8 is respectively connected with one gear shaft 5-1 are coaxially connected, wherein the gear shaft 5-1 is sequentially meshed with the other two gear shafts 5-1, and the other end of the third gear shaft 5-1 is coaxially connected with a universal coupling 4;

the method specifically comprises the following steps:

the third speed regulating motor 7-3 is connected with a third coaxial speed reducer 6-3 and indirectly transmits torque to the corresponding universal coupling 4 through linkage of three gear shafts 5-1, wherein the other end of the corresponding universal coupling 4 is correspondingly connected with a third straightening roller 1-3, the third coaxial speed reducer 6-3 is coaxially connected with one gear shaft 5-1, the gear shaft 5-1 is sequentially meshed with the other two gear shafts 5-1, and the other end of the third gear shaft 5-1 is coaxially connected with the universal coupling 4;

the sixth speed regulating motor 7-6 is connected with a sixth coaxial speed reducer 6-6 to indirectly transmit torque to the corresponding universal coupling 4 through linkage of three gear shafts 5-1, wherein the other end of the corresponding universal coupling 4 is correspondingly connected with a sixth straightening roller 2-6, the sixth coaxial speed reducer 6-6 is coaxially connected with one gear shaft 5-1, the gear shaft 5-1 is sequentially meshed with the other two gear shafts 5-1, and the other end of the third gear shaft 5-1 is coaxially connected with the universal coupling 4;

the seventh speed regulating motor 7-7 is connected with a seventh coaxial speed reducer 6-7 and indirectly transmits torque to the corresponding universal coupling 4 through linkage of the three gear shafts 5-1, wherein the other end of the corresponding universal coupling 4 is correspondingly connected with the seventh straightening rollers 1-7, the seventh coaxial speed reducer 6-7 is coaxially connected with one gear shaft 5-1, the gear shaft 5-1 is sequentially meshed with the other two gear shafts 5-1, and the other end of the third gear shaft 5-1 is coaxially connected with the universal coupling 4;

the eighth speed regulating motor 7-8 is connected with an eighth coaxial speed reducer 6-8, indirectly transmits torque to the corresponding universal coupling 4 through linkage of the three gear shafts 5-1, wherein the other end of the corresponding universal coupling 4 is correspondingly connected with the eighth straightening roller 2-8, the eighth coaxial speed reducer 6-8 is coaxially connected with one gear shaft 5-1, the gear shaft 5-1 is sequentially meshed with the other two gear shafts 5-1, and the other end of the third gear shaft 5-1 is coaxially connected with the universal coupling 4.

Preferably, the roller straightening machine straightening roller independent transmission assembly and the transmission method thereof comprise the following steps:

step 1) connecting 11 straightening rollers to one ends of 11 universal couplings 4, wherein the other ends of the 11 universal couplings 4 are respectively connected with the output end of a gear distribution box 5, the input end of the gear distribution box 5 is connected with 11 coaxial speed reducers 6, the input ends of the 11 coaxial speed reducers 6 are respectively connected with 11 speed regulating motors 7, the 11 straightening rollers are respectively and independently connected through the 11 speed regulating motors 7, and the rotating speed of each straightening roller can be independently adjusted;

step 2) placing the strip steel 3 between an upper roller system 1 and a lower roller system 2, wherein the upper roller system 1 and the lower roller system 2 drag the strip steel 3 to sequentially pass through roller gaps formed by 11 straightening rollers, so that the plate shape of the strip steel 3 is obviously improved, the internal residual stress is fully released, and the thickness of the strip steel 3 is 3.0-25 mm;

step 3) when the strip steel 3 is elongated, the actually required rotating speed of each straightening roller is different, and the rotating speed of the straightening rollers is adjusted to be different through a speed regulating motor 7, so that the influence of negative torque is eliminated;

and 4) when the diameter of the straightening roller is reduced due to abrasion, adjusting the rotating speed of a speed regulating motor 7 to independently adjust the abraded straightening roller.

The straightening roller, the coaxial speed reducer, the speed regulating motor and the universal coupling are all in the prior art.

The working principle of the utility model is as follows:

as shown in figures 1-5, the utility model comprises an upper roll system 1, a lower roll system 2, universal couplings 4, gear distribution boxes 5, coaxial speed reducers 6 and speed regulating motors 7, wherein the upper roll system 1 and the lower roll system 2 both comprise a plurality of straightening rolls, the straightening rolls of the upper roll system 1 and the lower roll system 2 are respectively connected with one ends of the universal couplings 4 in a one-to-one correspondence manner, the other ends of the universal couplings 4 are respectively connected with the output end of the gear distribution boxes 5, the input end of the gear distribution boxes 5 is connected with the coaxial speed reducers 6, the input ends of the coaxial speed reducers 6 are respectively connected with the speed regulating motors 7, wherein the number of the coaxial speed reducers 6 and the speed regulating motors 7 is the same as that of the universal couplings 4, the utility model is composed of the speed regulating motors 7, the coaxial speed reducers 6, the universal couplings 4 and 1 gear distribution box 5 which are equal to the number of the straightening rolls, each straightening roller is independently driven by an independent speed regulating motor 7 through a coaxial speed reducer 6 and a gear distribution box 5, the rotating speed of each straightening roller can be independently adjusted, the rotating speeds can be the same or different, and the rotating speeds of the straightening rollers can be adjusted to be different, so that the influence of negative torque is eliminated, and when the diameters of the straightening rollers are reduced due to abrasion, the rotating speed of the speed regulating motor 7 can be adjusted to independently adjust the abrasion straightening rollers.

The utility model discloses an every straightener roll is driven by an independent buncher 7, can realize the independent adjustment of every straightener roll rotational speed, when roll-type straightener aligning belted steel 3 or steel sheet, because belted steel 3 is elongated, this rotational speed that leads to every straightener roll actual need is different, the utility model discloses can realize adjusting the difference of straightener roll rotational speed to the influence of negative torque has been eliminated.

When the roller straightening machine is used, if the traditional transmission scheme is adopted, when the diameter of the straightening roller is reduced due to abrasion, the rotation speed of each straightening roller can not be independently adjusted, and the roller straightening machine can not be used or can generate a great defect when in use, and the utility model discloses this shortcoming can be overcome, spare part quantity is reduced.

The speed regulating motor and the coaxial speed reducer of the utility model are both directly or indirectly arranged on the gear distribution box, the structure is compact, and the space is saved; the utility model discloses gear distributor's moment of torsion transmission form has three kinds: direct transmission, indirect transmission of two gear shafts and indirect transmission of 3 gear shafts, so that universal couplings connected with the upper roller system are positioned on the same straight line, universal couplings connected with the lower roller system are positioned on the same straight line, and the two straight lines are parallel; the utility model can reduce the number of the straightening roll spare parts and the noise, does not cause energy waste, and the speed regulating motors are all provided with the increment encoders with high pulse number and are used for accurately measuring the rotating speed of the straightening roll; the utility model is mainly used for driving the roller type straightener for straightening strip steel with the thickness of 3.0mm to 25mm, and the speed is 30 m/min to 200 m/min.

The utility model discloses simple structure, convenient to use, transmission are effectual, the practicality is strong, the combined cost is low, and diameter size requirement to the straightener roll is not high, operation process safe and reliable, but wide application in 3 rollers, 5 rollers, 7 rollers, 9 rollers, 11 rollers, 13 rollers, 17 rollers, 19 rollers, the transmission of 21 rollers and 23 roller type straightener.

The difficulty of independent transmission of the existing roller straightening machine is that the space is limited, a speed reducer, a motor and a universal coupling must be arranged in the limited space, and the space angle of the universal coupling cannot exceed the allowable range. The utility model discloses a biggest innovation point is adopting a gear distributor box as the transition, with universal joint and speed reducer and motor one-to-one, has really realized a straightening roller of motor drive, and the advantage of this kind of design is compact structure, saves space, arranges easily, has both satisfied independent driven requirement and saves space.

The utility model discloses the independent transmission of straightening roller overcomes the negative torque that the aligning in-process produced, and belted steel can be elongated along its traffic direction when the aligning, and this rotational speed that needs the straightening roller is from the entry to export crescent. If the rotating speed of the straightening roller is constant, negative torque can be generated at the elongated part of the strip steel, namely the rotating speed of the straightening roller is required to be increased when the strip steel is elongated, and the rotating speed of the actual straightening roller is kept constant, so that the straightening roller is subjected to the negative torque, the negative torque can cause the defects of high noise in the straightening process, energy waste, scratch on the surface of the strip steel and the like, and the defect can be overcome by independent transmission.

The utility model discloses the independent transmission of straightener roll reduces the requirement of straightener roll diameter size, and then reduces spare parts quantity, if collective transmission, straightener roll diameter should be controlled in certain tolerance within range, some working rolls are after using a period, diameter tolerance overrange, just can not use, can only scrap, independent transmission can be according to the diameter independent adjustment its rotational speed of straightener roll, and then realize the linear velocity that needs, can make the straightener roll of those diameter ultradifferentials assign the field again like this, reduce spare parts quantity.

Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, and that the scope of the invention is defined by the appended claims.

Claims

1. The utility model provides an independent transmission assembly of roll straightening machine straightener roller which characterized in that: including last roller system (1), lower roller system (2), universal joint (4), gear distributor box (5), coaxial speed reducer (6) and buncher (7), wherein last roller system (1) and lower roller system (2) all include a plurality of straightening rollers, the one end of a plurality of universal joint (4) is connected to a plurality of straightening rollers one-to-one respectively of last roller system (1) and lower roller system (2), wherein the output of gear distributor box (5) is connected respectively to the other end of a plurality of universal joint (4), a plurality of coaxial speed reducer (6) are connected to the input of gear distributor box (5), wherein a plurality of buncher (7) are connected respectively to the input of a plurality of coaxial speed reducer (6), wherein the quantity of coaxial speed reducer (6) and buncher (7) all is the same with the quantity of universal joint (4).

2. The straightening roll independent transmission assembly of the roll straightening machine as claimed in claim 1, wherein: the upper roll system (1) comprises a first straightening roll (1-1), a third straightening roll (1-3), a fifth straightening roll (1-5), a seventh straightening roll (1-7) and a ninth straightening roll (1-9), wherein the first straightening roll (1-1), the third straightening roll (1-3), the fifth straightening roll (1-5), the seventh straightening roll (1-7) and the ninth straightening roll (1-9) are positioned on the same straight line, the lower roll system (2) comprises a second straightening roll (2-2), a fourth straightening roll (2-4), a sixth straightening roll (2-6), an eighth straightening roll (2-8), a tenth straightening roll (2-10) and an eleventh straightening roll (2-11), wherein the second straightening roll (2-2), the fourth straightening roll (2-4) and the ninth straightening roll (1-9), The sixth straightening roller (2-6), the eighth straightening roller (2-8), the tenth straightening roller (2-10) and the eleventh straightening roller (2-11) are positioned on the same straight line, the straight lines of the two groups of straightening rollers of the upper roller system (1) and the lower roller system (2) are parallel, wherein the output end of the gear distribution box (5) is correspondingly connected with the first straightening roller (1-1), the second straightening roller (2-2), the third straightening roller (1-3), the fourth straightening roller (2-4), the fifth straightening roller (1-5), the sixth straightening roller (2-6), the seventh straightening roller (1-7), the eighth straightening roller (2-8), the ninth straightening roller (1-9), the tenth straightening roller (2-10) and the eleventh straightening roller (2-11) by 11 universal couplings (4), wherein the input end of the gear distribution box (5) is connected with 11 speed regulating motors (7) through 11 coaxial speed reducers (6).

3. The straightening roll independent transmission assembly of the roll straightening machine as claimed in claim 1, wherein: the speed regulating motor (7) is provided with one end of a flange plate and is connected with the input end of a coaxial speed reducer (6) of which the two ends are flanges through bolts and keys, the output end of the coaxial speed reducer (6) is connected with the input end of a gear distribution box (5) through bolts and keys, and the two ends of a universal coupling (4) are respectively connected with the output end of the gear distribution box (5) and the input end of a straightening roller through splines.

4. The straightening roll independent transmission assembly of the roll straightening machine as claimed in claim 1, wherein: the speed regulation motor (7) comprises a first speed regulation motor (7-1), a second speed regulation motor (7-2), a third speed regulation motor (7-3), a fourth speed regulation motor (7-4), a fifth speed regulation motor (7-5), a sixth speed regulation motor (7-6), a seventh speed regulation motor (7-7), an eighth speed regulation motor (7-8), a ninth speed regulation motor (7-9), a tenth speed regulation motor (7-10) and an eleventh speed regulation motor (7-11), and the coaxial speed reducer (6) comprises a first coaxial speed reducer (6-1), a second coaxial speed reducer (6-2), a third coaxial speed reducer (6-3), a fourth coaxial speed reducer (6-4), a fifth coaxial speed reducer (6-5), a sixth coaxial speed reducer (6-6), A seventh coaxial reducer (6-7), an eighth coaxial reducer (6-8), a ninth coaxial reducer (6-9), a tenth coaxial reducer (6-10) and an eleventh coaxial reducer (6-11), wherein one end of the first speed regulating motor (7-1) provided with a flange plate is connected with the first coaxial reducer (6-1) with both ends being flanges by bolts and keys, wherein one end of the second speed regulating motor (7-2) provided with a flange plate is connected with the second coaxial reducer (6-2) with both ends being flanges by bolts and keys, wherein one end of the third speed regulating motor (7-3) provided with a flange plate is connected with the third coaxial reducer (6-3) with both ends being flanges by bolts and keys, wherein one end of the fourth speed regulating motor (7-4) provided with a flange plate is connected with the fourth coaxial reducer (6-4) with both ends being flanges by bolts and keys, wherein one end of the fifth speed regulating motor (7-5) provided with a flange plate is connected with a fifth coaxial reducer (6-5) with two ends both provided with flanges by bolts and keys, wherein one end of the sixth speed regulating motor (7-6) provided with a flange plate is connected with a sixth coaxial reducer (6-6) with two ends both provided with flanges by bolts and keys, wherein one end of the seventh speed regulating motor (7-7) provided with a flange plate is connected with a seventh coaxial reducer (6-7) with two ends both provided with flanges by bolts and keys, wherein one end of the eighth speed regulating motor (7-8) provided with a flange plate is connected with an eighth coaxial reducer (6-8) with two ends both provided with flanges by bolts and keys, wherein one end of the ninth speed regulating motor (7-9) provided with a flange plate is connected with a ninth coaxial reducer (6-9) with two ends both provided with flanges by bolts and keys, wherein one end of the tenth speed regulating motor (7-10) provided with a flange plate is connected with the tenth coaxial speed reducer (6-10) with two ends both provided with flanges by bolts and keys, and one end of the eleventh speed regulating motor (7-11) provided with a flange plate is connected with the eleventh coaxial speed reducer (6-11) with two ends both provided with flanges by bolts and keys.

5. The straightening roll independent transmission assembly of the roll straightening machine as claimed in claim 4, wherein: the fourth speed regulating motor (7-4)/the fifth speed regulating motor (7-5)/the tenth speed regulating motor (7-10) is respectively connected with a fourth coaxial speed reducer (6-4)/a fifth coaxial speed reducer (6-5)/a tenth coaxial speed reducer (6-10) and then is connected with a corresponding universal coupling (4) through a gear shaft (5-1) in the gear distribution box (5), wherein the other end of the corresponding universal coupling (4) is respectively and correspondingly connected with a fourth straightening roller (2-4), a fifth straightening roller (1-5) and a tenth straightening roller (2-10), the fourth coaxial speed reducer (6-4)/the fifth coaxial speed reducer (6-5)/the tenth coaxial speed reducer (6-10) are respectively and coaxially connected with one end of the gear shaft (5-1), the other end of the gear shaft (5-1) is coaxially connected with a universal coupling (4).

6. The straightening roll independent transmission assembly of the roll straightening machine as claimed in claim 4, wherein: the first speed regulating motor (7-1)/the second speed regulating motor (7-2)/the ninth speed regulating motor (7-9)/the eleventh speed regulating motor (7-11) are respectively connected with a first coaxial speed reducer (6-1)/a second coaxial speed reducer (6-2)/a ninth coaxial speed reducer (6-9)/an eleventh coaxial speed reducer (6-11) to indirectly transmit torque to the corresponding universal coupling (4) through linkage of two gear shafts (5-1), wherein the other end of the corresponding universal coupling (4) is respectively and correspondingly connected with a first straightening roller (1-1), a second straightening roller (2-2), a ninth straightening roller (1-9) and an eleventh straightening roller (2-11), and the first coaxial speed reducer (6-1)/the second coaxial speed reducer (6-2)/the ninth coaxial speed reducer (3-11) The 6-9)/eleventh coaxial speed reducer (6-11) is respectively coaxially connected with one gear shaft (5-1), wherein the gear shaft (5-1) is meshed with one end of the other gear shaft (5-1), and the other end of the other gear shaft (5-1) is coaxially connected with the universal coupling (4).

7. The straightening roll independent transmission assembly of the roll straightening machine as claimed in claim 4, wherein: the third speed regulating motor (7-3)/the sixth speed regulating motor (7-6)/the seventh speed regulating motor (7-7)/the eighth speed regulating motor (7-8) are respectively connected with a third coaxial speed reducer (6-3)/a sixth coaxial speed reducer (6-6)/a seventh coaxial speed reducer (6-7)/an eighth coaxial speed reducer (6-8) to indirectly transmit torque to the corresponding universal coupling (4) through linkage of three gear shafts (5-1), wherein the other end of the corresponding universal coupling (4) is respectively and correspondingly connected with a third straightening roller (1-3), a sixth straightening roller (2-6), a seventh straightening roller (1-7) and an eighth straightening roller (2-8), and wherein the third coaxial speed reducer (6-3)/the sixth coaxial speed reducer (6-6)/the seventh coaxial speed reducer (6-) 7) The eighth coaxial speed reducer (6-8) is respectively coaxially connected with one gear shaft (5-1), wherein the gear shaft (5-1) is sequentially meshed with the other two gear shafts (5-1), and the other end of the third gear shaft (5-1) is coaxially connected with the universal coupling (4).

8. The straightening roll independent transmission assembly of the roll straightening machine as claimed in claim 4, wherein: the first coaxial speed reducer (6-1), the second coaxial speed reducer (6-2), the third coaxial speed reducer (6-3), the fourth coaxial speed reducer (6-4), the fifth coaxial speed reducer (6-5), the sixth coaxial speed reducer (6-6), the seventh coaxial speed reducer (6-7), the eighth coaxial speed reducer (6-8), the ninth coaxial speed reducer (6-9), the tenth coaxial speed reducer (6-10) and the eleventh coaxial speed reducer (6-11) respectively transmit torque to the universal coupling (4) through a gear shaft (5-1) so as to drive each straightening roller, wherein the first coaxial speed reducer (6-1), the third coaxial speed reducer (6-3), the fifth coaxial speed reducer (6-5), the seventh coaxial speed reducer (6-7), The ninth coaxial speed reducer (6-9) is connected with 5 universal couplings (4) through a gear shaft (5-1) and is positioned on the same straight line, wherein the second coaxial speed reducer (6-2), the fourth coaxial speed reducer (6-4), the sixth coaxial speed reducer (6-6), the eighth coaxial speed reducer (6-8), the tenth coaxial speed reducer (6-10) and the eleventh coaxial speed reducer (6-11) are connected with 6 universal couplings (4) through the gear shaft (5-1) and are positioned on the same straight line, and two groups of universal couplings (4) positioned on the same straight line are parallel.

9. The straightening roll independent transmission assembly of the roll straightening machine as claimed in claim 1, wherein: and the speed regulating motor (7) is provided with an incremental encoder with high pulse number and used for accurately measuring the rotating speed of the straightening roller.