CN222710505U

CN222710505U - Coil straightening device

Info

Publication number: CN222710505U
Application number: CN202421500874.9U
Authority: CN
Inventors: 胡帅; 邬金
Original assignee: Suzhou Qinglin Automation Technology Co ltd
Current assignee: Suzhou Qinglin Automation Technology Co ltd
Priority date: 2024-06-28
Filing date: 2024-06-28
Publication date: 2025-04-04
Anticipated expiration: 2034-06-28

Abstract

The utility model discloses a coil straightening device, including a frame and a first leveling mechanism and a second leveling mechanism located above the frame, the first leveling mechanism is located above the second leveling mechanism, the first leveling mechanism includes a frame, a roller assembly rotatably connected to the frame, a driving assembly for driving the roller assembly to rotate, and a first straightening assembly fixedly connected to the bottom surface of the frame, the second leveling mechanism includes a second straightening assembly and a feeding assembly located below the first straightening assembly, the second straightening assembly is located on one side of the feeding assembly; the driving assembly is used to drive the roller assembly to rotate to drive the frame to move up and down. The coil straightening device of the utility model can automatically adjust the height of the frame according to the thickness of the coil after unwinding, thereby adjusting the height of the first straightening assembly to adjust the gap between the first straightening assembly and the second straightening assembly, that is, automatically adjusting the leveling height, which is conducive to expanding the application scope of the straightening device, reducing production costs, and improving production efficiency.

Description

Coiled material straightening device

Technical Field

The utility model belongs to the technical field of coiled material processing equipment, and particularly relates to a straightening device for a metal coiled material.

Background

In the stamping industry, the metal coiled material needs to be leveled and straightened before stamping, and the leveling and straightening of the coiled material are the basis for ensuring the good quality of the stamped product, so that the leveling and straightening requirements on the product are very high, and a common metal coiled material straightening mechanism cannot finish the leveling and straightening of the product with high quality and high precision. In addition, in actual production, the thickness of the metal strip of coiled materials in different batches is generally different, the height of a feed opening of the existing straightening mechanism is fixed, and the metal strip with the thickness larger than the height of the feed opening cannot be straightened, so that the application range is smaller.

Disclosure of utility model

In view of the above, in order to overcome the defects of the prior art, the present utility model aims to provide a coil straightening device, which can automatically adjust the height of a feed opening, so that the coil straightening device is suitable for straightening metal bands with different thicknesses.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

A coiled material straightening device comprises a frame, a first leveling mechanism and a second leveling mechanism, wherein the first leveling mechanism and the second leveling mechanism are arranged above the frame, the first leveling mechanism is arranged above the second leveling mechanism, the first leveling mechanism comprises a frame, a roll shaft assembly, a driving assembly and a first straightening assembly, the roll shaft assembly is rotationally connected with the frame, the driving assembly is used for driving the roll shaft assembly to rotate, the first straightening assembly is fixedly connected with the bottom surface of the frame, the second leveling mechanism comprises a second straightening assembly and a feeding assembly, the second straightening assembly is arranged below the first straightening assembly, the second straightening assembly is arranged on one side of the feeding assembly, and the driving assembly is used for driving the roll shaft assembly to rotate so as to drive the frame to move up and down.

According to a preferred embodiment of the present utility model, the roll shaft assembly comprises a first eccentric shaft, a second eccentric shaft and a third eccentric shaft, the first eccentric shaft is located above the second eccentric shaft and the third eccentric shaft, and the driving assembly comprises a first driver for driving the first eccentric shaft to rotate, a second driver for driving the second eccentric shaft to rotate, and a third driver for driving the third eccentric shaft to rotate. In some embodiments of the utility model, the side of the second eccentric shaft is the feeding direction of the coiled material, and the side of the third eccentric shaft is the discharging direction of the coiled material. Because the first eccentric shaft, the second eccentric shaft and the third eccentric shaft are all eccentric structures, when the second driver drives the first extension shaft to rotate, the second main shaft rotates along with the first extension shaft, and because the first extension shaft and the axle center of the second main shaft are eccentric, in the process that the second driver drives the first extension shaft to drive the second main shaft to rotate, the height of the second main shaft from a lower plane changes, so that a frame connected with the second main shaft can be driven to move upwards or downwards, the movement of the frame can drive the first straightening assembly to move integrally, the gap between the first straightening assembly and the second straightening assembly is adjusted, and finally, the leveling height adjustment during the straightening of coiled materials after uncoiling is realized. In addition, a third eccentric shaft is added on the basis of the second eccentric shaft, so that uneven space between the first straightening component and the second straightening component caused by inclination of the second eccentric shaft during rotation is avoided.

According to the preferred implementation aspect of the utility model, the frame comprises a first mounting plate and two second mounting plates, the first mounting plates are positioned on two sides of the top of the second leveling mechanism, the two second mounting plates are positioned between the two first mounting plates, the first mounting plates are perpendicular to the second mounting plates, two ends of the second mounting plates are respectively fixedly connected with the two first mounting plates, the two first mounting plates and the two second mounting plates are jointly enclosed to form a containing part for containing the first eccentric shaft, and a connecting seat is arranged on one side, close to the first eccentric shaft, of each first mounting plate.

According to a preferred embodiment of the present utility model, the first leveling mechanism further includes side plate assemblies located on both sides of the top of the second leveling mechanism, the frame is located between two side plate assemblies, each of the side plate assemblies includes a first side plate and a second side plate, and the first side plate and the second side plate are located in the same horizontal direction perpendicular to the length direction of the frame. In some embodiments of the present utility model, the first side plate and the second side plate are not connected, so that installation and debugging are facilitated.

According to a preferred embodiment of the utility model, the first eccentric shaft comprises a first main shaft and first end shafts at two ends of the first main shaft, the second eccentric shaft comprises a second main shaft, second end shafts at two ends of the second main shaft and first extension shafts at one end of the second end shafts, the third eccentric shaft comprises a third main shaft, third end shafts at two ends of the third main shaft and second extension shafts at one end of the third end shafts, and the first extension shafts and the second extension shafts are positioned on the same side of the frame.

According to the preferred implementation aspect of the utility model, the axial lead of the first main shaft and the axial lead of the first end shaft are respectively positioned on two mutually parallel straight lines, the axial lead of the first extension shaft and the axial lead of the second end shaft are respectively positioned on two mutually parallel straight lines, the axial lead of the second extension shaft and the axial lead of the third end shaft are respectively positioned on two mutually parallel straight lines, and the axial lead of the third main shaft and the axial lead of the third end shaft are respectively positioned on two mutually parallel straight lines.

According to the preferred implementation aspect of the utility model, the first driver is connected with the first main shaft, two ends of the first main shaft are respectively and rotatably connected with the corresponding connecting seats, the first end shaft is rotatably connected with the first mounting plate, the second driver is connected with the first extension shaft, the end part of the second main shaft is respectively and rotatably connected with the corresponding connecting seats and the first mounting plate, the second end shaft is rotatably connected with the first side plate, the third driver is connected with the second extension shaft, two ends of the third main shaft are respectively and rotatably connected with the corresponding first mounting plate, and the third end shaft is rotatably connected with the second side plate.

According to the preferred implementation aspect of the utility model, the feeding assembly comprises a first feeding roller, a second feeding roller and a pressing roller rotating shaft, wherein the first feeding roller, the second feeding roller and the pressing roller rotating shaft are mutually parallel, the pressing roller rotating shaft is positioned on one side of the first feeding roller, the first feeding roller is positioned above the second feeding roller, the axial line of the first feeding roller and the axial line of the second feeding roller are positioned on the same vertical plane, the first feeding roller comprises a first part and a second part positioned at two ends of the first part, the outer diameter of the first part is equal to the outer diameter of one end of the second part close to the first part, the outer diameter of the second part gradually decreases from one end close to the first part to the other end, the second feeding roller comprises a third part and a fourth part positioned at two ends of the third part, the outer diameter of the third part is equal to the outer diameter of one end of the fourth part close to the third part, and the outer diameter of the fourth part gradually decreases from one end close to the third part to the other end.

According to the preferred implementation aspect of the utility model, the feeding assembly further comprises third side plates positioned on two sides of the top surface of the frame, a connecting plate is fixedly arranged between the two third side plates, two ends of the first feeding roller are respectively connected with the corresponding third side plates, a fourth driver for driving the connecting plate to move up and down is arranged on the connecting plate, and two ends of the pressing roller rotating shaft are respectively connected with the corresponding third side plates in a rotating way.

According to a preferred implementation aspect of the present utility model, the second leveling mechanism further includes fourth side plates fixedly disposed on two sides of the top surface of the frame, the connecting plate and the two third side plates are located between the two fourth side plates, two ends of the press roller rotating shaft are respectively connected with the corresponding fourth side plates in a rotating manner, and the first side plate and the second side plate are both fixedly connected with the fourth side plates.

Preferably, in some embodiments of the present utility model, the first straightening assembly includes a plurality of first straightening rollers, a plurality of first back pressure roller units located above the first straightening rollers, fixing plates located at two ends of the first straightening rollers, and a plurality of first partition plates located between the two fixing plates and arranged at intervals, the first back pressure roller units are arranged in a one-to-one correspondence with the first straightening rollers, each first back pressure roller unit includes a plurality of first back pressure rollers, one of the first back pressure roller units is rotatably arranged between two adjacent first partition plates, the fixing plates and the top of the first partition plates are fixedly connected with the bottom surface of the frame, and the bottom of the first back pressure roller contacts with the top of the first straightening roller;

The second straightening assembly comprises a plurality of second straightening rollers, a plurality of second back pressure roller units located below the second straightening rollers and a plurality of second partition plates located between the two fourth side plates, wherein the second back pressure roller units are arranged in one-to-one correspondence with the second straightening rollers, each second back pressure roller unit comprises a plurality of second back pressure rollers, one second back pressure roller in each second back pressure roller unit is rotatably arranged between two adjacent second partition plates, the bottoms of the second partition plates are fixedly connected with the top of the frame, and the tops of the second back pressure rollers are in contact with the bottoms of the second straightening rollers. The main function of the back pressure roller is to prevent the leveling failure in place caused by deformation or stress bending of the straightening roller, and the back pressure roller is uniformly distributed, so that the coil can be uniformly stressed in the leveling process.

Compared with the prior art, the coiled material straightening device has the advantages that the height of the frame connected with the roller shaft assembly can be automatically adjusted according to the thickness of the coiled material after uncoiling through the roller shaft assembly, the frame and the driving assembly in the first leveling mechanism, so that the height of the first straightening assembly is adjusted, the gap between the first straightening assembly and the second straightening assembly is adjusted, namely, the leveling height is automatically adjusted, the application range of the straightening device is enlarged, the production cost is reduced, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a coil straightener in an embodiment of the utility model;

FIG. 2 is a schematic perspective view of a coil straightener according to an embodiment of the present utility model from a first view angle after partial structure is removed;

FIG. 3 is a schematic perspective view of a second view angle of a hidden part of a coil straightener according to an embodiment of the present utility model;

FIG. 4 is a schematic perspective view of a first leveling mechanism according to an embodiment of the present utility model;

FIG. 5 is a schematic perspective view of a second view of the first leveling mechanism according to the embodiment of the present utility model;

FIG. 6 is a schematic perspective view of a hidden part of the first leveling mechanism according to an embodiment of the present utility model;

In the drawings, reference numerals are:

The machine comprises a frame-1, a first leveling mechanism-2, a first mounting plate-211, a second mounting plate-212, a first eccentric shaft-221, a second eccentric shaft-222, a third eccentric shaft-223, a first driver-231, a second driver-232, a third driver-233, a connecting seat-24, a first side plate-251, a second side plate-252, a first leveling component-26, a first leveling roller-261, a fixed plate-262, a first partition plate-263, a first back-pressing roller-264, a second leveling mechanism-3, a second leveling component-31, a second leveling roller-311, a second partition plate-312, a second back-pressing roller-313, a feeding component-32, a first feeding roller-321, a first part-3211, a second part-3212, a second feeding roller-322, a third part-3221, a fourth part-3222, a rotating shaft-323, a third side plate-324, a connecting plate 325, a fourth driver-326, a fifth driver-327, a fourth side plate-33, a guide roller-34.

Detailed Description

In order to make the technical solution of the present utility model better understood by those skilled in the art, the technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

Referring to fig. 1 to 6, a coil straightening device according to the present embodiment is used for straightening and leveling coiled materials after uncoiling, and includes a frame 1, a first leveling mechanism 2 and a second leveling mechanism 3 located above the frame 1, the first leveling mechanism 2 is located above the second leveling mechanism 3, and the second leveling mechanism 3 is connected with the top of the frame 1.

Further, as shown in fig. 4 to 6, the first leveling mechanism 2 includes a frame, a roller assembly connected to the frame, a driving assembly for driving the roller assembly to rotate, a first straightening assembly 26 connected to the bottom surface of the frame, and side plate assemblies located on two sides of the top of the second leveling mechanism 3, and the frame is located between the two side plate assemblies. The roll shaft assembly comprises a first eccentric shaft 221, a second eccentric shaft 222 and a third eccentric shaft 223, wherein the first eccentric shaft 221 is positioned above the second eccentric shaft 222 and the third eccentric shaft 223, one side where the second eccentric shaft 222 is positioned is the feeding direction of the coiled material, and one side where the third eccentric shaft 223 is positioned is the discharging direction of the coiled material. The driving assembly includes a first driver 231 for driving the first eccentric shaft 221 to rotate, a second driver 232 for driving the second eccentric shaft 222 to rotate, and a third driver 233 for driving the third eccentric shaft 223 to rotate.

Specifically, the first eccentric shaft 221 includes a first main shaft, a first end shaft located at two ends of the first main shaft, the axes of the first main shaft and the first end shaft are respectively located on two parallel straight lines, the second eccentric shaft 222 includes a second main shaft, a second end shaft located at two ends of the second main shaft, and a first extension shaft located at one end of the second end shaft, the axes of the first extension shaft and the axes of the second end shaft are coincident, the axes of the second main shaft and the axes of the second end shaft are respectively located on two parallel straight lines, the third eccentric shaft 223 includes a third main shaft, a third end shaft located at two ends of the third main shaft, and a second extension shaft located at one end of the third end shaft, the axes of the second extension shaft and the axes of the third end shaft are coincident, and the axes of the third main shaft and the axes of the third end shaft are respectively located on two parallel straight lines. In this embodiment, the first extension shaft and the second extension shaft are located on the same side of the frame.

Further, the frame includes a first mounting plate 211 located at two sides of the top of the second leveling mechanism 3 and two second mounting plates 212 located between the two first mounting plates 211, the first mounting plates 211 are perpendicular to the second mounting plates 212, two ends of the second mounting plates 212 are fixedly connected with the two first mounting plates 211 respectively, the two first mounting plates 211 and the two second mounting plates 212 are enclosed together to form a containing portion for containing the first eccentric shaft 221, and the first eccentric shaft 221 can rotate in the containing portion of the frame relative to the frame. In addition, each side plate assembly comprises a first side plate 251 and a second side plate 252, the first side plate 251 and the second side plate 252 are positioned in the same horizontal direction perpendicular to the length direction of the frame, the second driver 232 is fixedly connected with the first side plate 251, the third driver 233 is fixedly connected with the second side plate 252, and the first side plate 251 is not connected with the second side plate 252, so that the installation and the debugging are convenient.

In this embodiment, a connecting seat 24 is fixedly disposed on one side of each first mounting plate 211 near the first eccentric shaft 221, a first driver 231 is connected with the first spindle, the first driver 231 is used for driving the first spindle to rotate, two ends of the first spindle are respectively connected with the corresponding connecting seat 24 in a rotating manner, and the first end shafts are connected with the first mounting plates 211 in a rotating manner, and two first drivers 231 are disposed in this embodiment. The second driver 232 is connected with the first extension shaft, the second driver 232 is used for driving the first extension shaft to rotate, the end part of the second main shaft is respectively connected with the corresponding connecting seat 24 and the first mounting plate 211 in a rotating way, and the second end shaft is connected with the first side plate 251 in a rotating way. The third driver 233 is connected to the second extension shaft, the third driver 233 is configured to drive the second extension shaft to rotate, two ends of the third main shaft are respectively connected to the corresponding first mounting plate 211 in a rotating manner, and the third end shaft is connected to the second side plate 252 in a rotating manner.

In this embodiment, since the first eccentric shaft 221, the second eccentric shaft 222 and the third eccentric shaft 223 are all eccentric structures, when the second driver 232 drives the first extending shaft to rotate, the second main shaft rotates along with the first extending shaft, and since the first extending shaft and the axis of the second main shaft are eccentric, in the process that the second driver 232 drives the first extending shaft to drive the second main shaft to rotate, the height of the second main shaft from the lower plane changes, so that a frame connected with the second main shaft can be driven to move upwards or downwards, the movement of the frame can drive the first straightening assembly 26 to move integrally, thereby adjusting the gap between the first straightening assembly 26 and the second straightening assembly 31, and finally realizing the adjustment of the leveling height when the coiled material after uncoiling is straightened.

Further, as shown in fig. 5 and 6, the first straightening assembly 26 includes a plurality of first straightening rollers 261, a plurality of first back pressure roller units located above the first straightening rollers 261, fixed plates 262 located at both ends of the first straightening rollers 261, and a plurality of first partition plates 263 located between the two fixed plates 262 and arranged at intervals, the first back pressure roller units are arranged in one-to-one correspondence with the first straightening rollers 261, each first back pressure roller unit includes a plurality of first back pressure rollers 264, one of the first back pressure rollers 264 is rotatably arranged between two adjacent first partition plates 263, the fixed plates 262 and the top of the first partition plates 263 are fixedly connected with the bottom surface of the frame, and the bottom of the first back pressure roller 264 is in contact with the top of the first straightening roller 261. The first straightening rollers 261 of the present embodiment are provided with 6.

Further, as shown in fig. 1-3, the second flattening mechanism 3 comprises a second straightening assembly 31 below the first straightening assembly 26 and a feeding assembly 32, the second straightening assembly 31 being located on one side of the feeding assembly 32. The feeding assembly 32 comprises a first feeding roller 321, a second feeding roller 322, a fifth driver 327 for driving the first feeding roller 321 to rotate and a pressing roller rotating shaft 323 positioned on one side of the first feeding roller 321, wherein the first feeding roller 321 is positioned above the second feeding roller 322, and the axial lead of the first feeding roller 321 and the axial lead of the second feeding roller 322 are positioned on the same vertical plane. The feeding assembly 32 further comprises third side plates 324 positioned on two sides of the top surface of the frame 1, a connecting plate 325 is fixedly arranged between the two third side plates 324, two ends of the first feeding roller 321 are respectively and rotatably connected with the corresponding third side plates 324, a fourth driver 326 for driving the connecting plate 325 to move up and down is arranged on the connecting plate 325, and two ends of the pressing roller rotating shaft 323 respectively penetrate through the thickness direction of the corresponding third side plates 324 and are rotatably connected with the corresponding third side plates 324.

Specifically, as shown in fig. 2 and 3, the first feed roller 321 includes a first portion 3211 and a second portion 3212 located at both ends of the first portion 3211, the first portion 3211 has an outer diameter equal to an outer diameter of an end of the second portion 3212 adjacent to the first portion 3211, the second portion 3212 has an outer diameter gradually decreasing from an end adjacent to the first portion 3211 to the other end, the second feed roller 322 includes a third portion 3221 and a fourth portion 3222 located at both ends of the third portion 3221, the third portion 3221 has an outer diameter equal to an outer diameter of an end of the fourth portion 3222 adjacent to the third portion 3221, and the fourth portion 3222 has an outer diameter gradually decreasing from an end adjacent to the third portion 3221 to the other end. In this embodiment, under the driving action of the fourth driver 326, the connection plate 325 and the third side plate 324 can be driven to move up and down, so as to drive the first feeding roller 321 to move up and down relative to the second feeding roller 322, so as to adjust the gap between the first feeding roller 321 and the second feeding roller 322, ensure that the gap is suitable for coiled materials with different thicknesses, and enable the coiled materials to smoothly pass between the first feeding roller 321 and the second feeding roller 322.

The second leveling mechanism 3 further comprises fourth side plates 33 fixedly arranged on two sides of the top surface of the frame 1, a connecting plate 325 and two third side plates 324 are located between the two fourth side plates 33, and two ends of a pressing roller rotating shaft 323 pass through the third side plates 324 and are respectively connected with the corresponding fourth side plates 33 in a rotating mode. The first side plate 251 and the second side plate 252 in the first leveling mechanism 2 are also fixedly connected to the fourth side plate 33.

The second straightening assembly 31 of the second leveling mechanism 3 comprises a plurality of second straightening rollers 311, a plurality of second back pressure roller units located below the second straightening rollers 311 and a plurality of second partition plates 312 located between the two fourth side plates 33, the second straightening rollers 311 of the embodiment are provided with 5, the second back pressure roller units are arranged in one-to-one correspondence with the second straightening rollers 311, each second back pressure roller unit comprises a plurality of second back pressure rollers 313, one second back pressure roller 313 in each second back pressure roller unit is rotatably arranged between two adjacent second partition plates 312, the bottom of each second partition plate 312 is fixedly connected with the top of the frame 1, and the top of each second back pressure roller 313 is in contact with the bottom of each second straightening roller 311. The second straightening assembly 31 is arranged corresponding to the first straightening assembly 26, the first straightening assembly 26 and the second straightening assembly 31 are used for straightening and leveling coiled materials together, and the first back-pressure roller 264 and the second back-pressure roller 313 in the embodiment are arranged, so that when the first straightening roller 261 and the second straightening roller 311 straighten, after being bent due to stress, the first straightening roller 264 and the second back-pressure roller 313 can be respectively supported. In addition, the rotation of the first straightening roller 261 and the second straightening roller 311 is realized through the driving action of the fifth driver 327, and the first feeding roller 321, the second feeding roller 322, the first straightening roller 261 and the second straightening roller 311 can be simultaneously driven to rotate under the driving action of the fifth driver 327 through the arrangement of the transmission case and the transmission gear, so as to straighten and convey the coiled material.

Further, a guide roller 34 is further disposed on a side of the second straightening assembly 31 away from the feeding assembly 32, a side of the guide roller 34 is in an uncoiled coil feeding direction, and the guide roller 34 is disposed to facilitate the coil conveyed by the previous process to be conducted between the first straightening assembly 26 and the second straightening assembly 31.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims

1. A coiled material straightening device is characterized by comprising a frame, a first leveling mechanism and a second leveling mechanism, wherein the first leveling mechanism and the second leveling mechanism are arranged above the frame, the first leveling mechanism is arranged above the second leveling mechanism, the first leveling mechanism comprises a frame, a roll shaft assembly, a driving assembly and a first straightening assembly, the roll shaft assembly is rotationally connected with the frame, the driving assembly is used for driving the roll shaft assembly to rotate, the first straightening assembly is fixedly connected with the bottom surface of the frame, the second leveling mechanism comprises a second straightening assembly and a feeding assembly, the second straightening assembly is arranged below the first straightening assembly, the second straightening assembly is arranged on one side of the feeding assembly, and the driving assembly is used for driving the roll shaft assembly to rotate so as to drive the frame to move up and down.

2. The coil straightener of claim 1, wherein the roller assembly comprises a first eccentric shaft, a second eccentric shaft and a third eccentric shaft, the first eccentric shaft is located above the second eccentric shaft and the third eccentric shaft, and the driving assembly comprises a first driver for driving the first eccentric shaft to rotate, a second driver for driving the second eccentric shaft to rotate and a third driver for driving the third eccentric shaft to rotate.

3. The coil straightening device according to claim 2, wherein the frame comprises a first mounting plate and two second mounting plates, wherein the first mounting plates are positioned on two sides of the top of the second leveling mechanism, the two second mounting plates are positioned between the two first mounting plates, the first mounting plates are perpendicular to the second mounting plates, two ends of the second mounting plates are respectively fixedly connected with the two first mounting plates, the two first mounting plates and the two second mounting plates are jointly enclosed to form a containing part for containing the first eccentric shaft, and a connecting seat is arranged on one side, close to the first eccentric shaft, of each first mounting plate.

4. The web straightener of claim 3, wherein the first flattening mechanism further comprises side plate assemblies on either side of the top of the second flattening mechanism, the frame is positioned between the two side plate assemblies, each side plate assembly comprises a first side plate and a second side plate, and the first side plate and the second side plate are positioned in the same horizontal direction perpendicular to the length direction of the frame.

5. The coil straightener of claim 4, wherein the first eccentric shaft includes a first main shaft, first end shafts at both ends of the first main shaft, the second eccentric shaft includes a second main shaft, second end shafts at both ends of the second main shaft, and first extension shafts at one end of the second end shafts, the third eccentric shaft includes a third main shaft, third end shafts at both ends of the third main shaft, and second extension shafts at one end of the third end shafts, the first extension shafts and the second extension shafts being located on the same side of the frame.

6. The coil straightening device as set forth in claim 5, wherein the axis of the first main shaft and the axis of the first end shaft are located on two straight lines parallel to each other, the axis of the first extension shaft and the axis of the second end shaft are located on two straight lines parallel to each other, the axis of the second main shaft and the axis of the second end shaft are located on two straight lines parallel to each other, the axis of the second extension shaft and the axis of the third end shaft are located on two straight lines parallel to each other, respectively.

7. The coil straightening device as set forth in claim 6, wherein the first driver is connected to the first spindle, both ends of the first spindle are respectively connected to the corresponding connection bases in a rotating manner, the first end shaft is connected to the first mounting plate in a rotating manner, the second driver is connected to the first extension shaft, the end of the second spindle is respectively connected to the corresponding connection bases and the first mounting plate in a rotating manner, the second end shaft is connected to the first side plate in a rotating manner, the third driver is connected to the second extension shaft, both ends of the third spindle are respectively connected to the corresponding first mounting plate in a rotating manner, and the third end shaft is connected to the second side plate in a rotating manner.

8. The web straightener of claim 4, wherein the feed assembly includes a first feed roll, a second feed roll and a roll shaft on one side of the first feed roll, the first feed roll being located above the second feed roll, the axis of the first feed roll and the axis of the second feed roll being located on the same vertical plane, the first feed roll including a first portion and a second portion at both ends of the first portion, the first portion having an outer diameter equal to an outer diameter of an end of the second portion adjacent to the first portion, the second portion having an outer diameter that gradually decreases from an end adjacent to the first portion to the other end, the second feed roll including a third portion and a fourth portion at both ends of the third portion, the outer diameter of the third portion being equal to an outer diameter of an end of the fourth portion adjacent to the third portion, the outer diameter of the fourth portion gradually decreasing from an end adjacent to the third portion to the other end.

9. The coil straightening device of claim 8, wherein the feeding assembly further comprises third side plates positioned on two sides of the top surface of the frame, a connecting plate is fixedly arranged between the two third side plates, two ends of the first feeding roller are respectively connected with the corresponding third side plates, a fourth driver for driving the connecting plate to move up and down is arranged on the connecting plate, and two ends of the pressing roller rotating shaft are respectively connected with the corresponding third side plates in a rotating mode.

10. The web straightener of claim 9, wherein the second leveling mechanism further comprises fourth side plates fixedly arranged on two sides of the top surface of the frame, the connecting plate and the two third side plates are located between the two fourth side plates, two ends of the rotating shaft of the pressing roller are respectively and rotatably connected with the corresponding fourth side plates, and the first side plate and the second side plate are fixedly connected with the fourth side plates.